drivers/scsi/qla2xxx/qla_init.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * QLogic Fibre Channel HBA Driver
   4  * Copyright (c)  2003-2014 QLogic Corporation
   5  */
   6 #include "qla_def.h"
   7 #include "qla_gbl.h"
   8
   9 #include <linux/delay.h>
  10 #include <linux/slab.h>
  11 #include <linux/vmalloc.h>
  12
  13 #include "qla_devtbl.h"
  14
  15 #ifdef CONFIG_SPARC
  16 #include <asm/prom.h>
  17 #endif
  18
  19 #include "qla_target.h"
  20
  21 /*
  22 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  23 */
  24 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  25 static int qla2x00_setup_chip(scsi_qla_host_t *);
  26 static int qla2x00_fw_ready(scsi_qla_host_t *);
  27 static int qla2x00_configure_hba(scsi_qla_host_t *);
  28 static int qla2x00_configure_loop(scsi_qla_host_t *);
  29 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  30 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *);
  32 static int qla2x00_restart_isp(scsi_qla_host_t *);
  33
  34 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  35 static int qla84xx_init_chip(scsi_qla_host_t *);
  36 static int qla25xx_init_queues(struct qla_hw_data *);
  37 static void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha,
  38                                       struct event_arg *ea);
  39 static void qla24xx_handle_prli_done_event(struct scsi_qla_host *,
  40     struct event_arg *);
  41 static void __qla24xx_handle_gpdb_event(scsi_qla_host_t *, struct event_arg *);
  42
  43 /* SRB Extensions ---------------------------------------------------------- */
  44
  45 void
  46 qla2x00_sp_timeout(struct timer_list *t)
  47 {
  48         srb_t *sp = from_timer(sp, t, u.iocb_cmd.timer);
  49         struct srb_iocb *iocb;
  50
  51         WARN_ON(irqs_disabled());
  52         iocb = &sp->u.iocb_cmd;
  53         iocb->timeout(sp);
  54
  55         /* ref: TMR */
  56         kref_put(&sp->cmd_kref, qla2x00_sp_release);
  57 }
  58
  59 void qla2x00_sp_free(srb_t *sp)
  60 {
  61         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  62
  63         del_timer(&iocb->timer);
  64         qla2x00_rel_sp(sp);
  65 }
  66
  67 void qla2xxx_rel_done_warning(srb_t *sp, int res)
  68 {
  69         WARN_ONCE(1, "Calling done() of an already freed srb %p object\n", sp);
  70 }
  71
  72 void qla2xxx_rel_free_warning(srb_t *sp)
  73 {
  74         WARN_ONCE(1, "Calling free() of an already freed srb %p object\n", sp);
  75 }
  76
  77 /* Asynchronous Login/Logout Routines -------------------------------------- */
  78
  79 unsigned long
  80 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
  81 {
  82         unsigned long tmo;
  83         struct qla_hw_data *ha = vha->hw;
  84
  85         /* Firmware should use switch negotiated r_a_tov for timeout. */
  86         tmo = ha->r_a_tov / 10 * 2;
  87         if (IS_QLAFX00(ha)) {
  88                 tmo = FX00_DEF_RATOV * 2;
  89         } else if (!IS_FWI2_CAPABLE(ha)) {
  90                 /*
  91                  * Except for earlier ISPs where the timeout is seeded from the
  92                  * initialization control block.
  93                  */
  94                 tmo = ha->login_timeout;
  95         }
  96         return tmo;
  97 }
  98
  99 static void qla24xx_abort_iocb_timeout(void *data)
 100 {
 101         srb_t *sp = data;
 102         struct srb_iocb *abt = &sp->u.iocb_cmd;
 103         struct qla_qpair *qpair = sp->qpair;
 104         u32 handle;
 105         unsigned long flags;
 106
 107         if (sp->cmd_sp)
 108                 ql_dbg(ql_dbg_async, sp->vha, 0x507c,
 109                     "Abort timeout - cmd hdl=%x, cmd type=%x hdl=%x, type=%x\n",
 110                     sp->cmd_sp->handle, sp->cmd_sp->type,
 111                     sp->handle, sp->type);
 112         else
 113                 ql_dbg(ql_dbg_async, sp->vha, 0x507c,
 114                     "Abort timeout 2 - hdl=%x, type=%x\n",
 115                     sp->handle, sp->type);
 116
 117         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
 118         for (handle = 1; handle < qpair->req->num_outstanding_cmds; handle++) {
 119                 if (sp->cmd_sp && (qpair->req->outstanding_cmds[handle] ==
 120                     sp->cmd_sp))
 121                         qpair->req->outstanding_cmds[handle] = NULL;
 122
 123                 /* removing the abort */
 124                 if (qpair->req->outstanding_cmds[handle] == sp) {
 125                         qpair->req->outstanding_cmds[handle] = NULL;
 126                         break;
 127                 }
 128         }
 129         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
 130
 131         if (sp->cmd_sp) {
 132                 /*
 133                  * This done function should take care of
 134                  * original command ref: INIT
 135                  */
 136                 sp->cmd_sp->done(sp->cmd_sp, QLA_OS_TIMER_EXPIRED);
 137         }
 138
 139         abt->u.abt.comp_status = cpu_to_le16(CS_TIMEOUT);
 140         sp->done(sp, QLA_OS_TIMER_EXPIRED);
 141 }
 142
 143 static void qla24xx_abort_sp_done(srb_t *sp, int res)
 144 {
 145         struct srb_iocb *abt = &sp->u.iocb_cmd;
 146         srb_t *orig_sp = sp->cmd_sp;
 147
 148         if (orig_sp)
 149                 qla_wait_nvme_release_cmd_kref(orig_sp);
 150
 151         if (sp->flags & SRB_WAKEUP_ON_COMP)
 152                 complete(&abt->u.abt.comp);
 153         else
 154                 /* ref: INIT */
 155                 kref_put(&sp->cmd_kref, qla2x00_sp_release);
 156 }
 157
 158 int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
 159 {
 160         scsi_qla_host_t *vha = cmd_sp->vha;
 161         struct srb_iocb *abt_iocb;
 162         srb_t *sp;
 163         int rval = QLA_FUNCTION_FAILED;
 164
 165         /* ref: INIT for ABTS command */
 166         sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport,
 167                                   GFP_ATOMIC);
 168         if (!sp)
 169                 return QLA_MEMORY_ALLOC_FAILED;
 170
 171         abt_iocb = &sp->u.iocb_cmd;
 172         sp->type = SRB_ABT_CMD;
 173         sp->name = "abort";
 174         sp->qpair = cmd_sp->qpair;
 175         sp->cmd_sp = cmd_sp;
 176         if (wait)
 177                 sp->flags = SRB_WAKEUP_ON_COMP;
 178
 179         init_completion(&abt_iocb->u.abt.comp);
 180         /* FW can send 2 x ABTS's timeout/20s */
 181         qla2x00_init_async_sp(sp, 42, qla24xx_abort_sp_done);
 182         sp->u.iocb_cmd.timeout = qla24xx_abort_iocb_timeout;
 183
 184         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
 185         abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id);
 186
 187         ql_dbg(ql_dbg_async, vha, 0x507c,
 188                "Abort command issued - hdl=%x, type=%x\n", cmd_sp->handle,
 189                cmd_sp->type);
 190
 191         rval = qla2x00_start_sp(sp);
 192         if (rval != QLA_SUCCESS) {
 193                 /* ref: INIT */
 194                 kref_put(&sp->cmd_kref, qla2x00_sp_release);
 195                 return rval;
 196         }
 197
 198         if (wait) {
 199                 wait_for_completion(&abt_iocb->u.abt.comp);
 200                 rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
 201                         QLA_SUCCESS : QLA_ERR_FROM_FW;
 202                 /* ref: INIT */
 203                 kref_put(&sp->cmd_kref, qla2x00_sp_release);
 204         }
 205
 206         return rval;
 207 }
 208
 209 void
 210 qla2x00_async_iocb_timeout(void *data)
 211 {
 212         srb_t *sp = data;
 213         fc_port_t *fcport = sp->fcport;
 214         struct srb_iocb *lio = &sp->u.iocb_cmd;
 215         int rc, h;
 216         unsigned long flags;
 217
 218         if (fcport) {
 219                 ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 220                     "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
 221                     sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
 222
 223                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 224         } else {
 225                 pr_info("Async-%s timeout - hdl=%x.\n",
 226                     sp->name, sp->handle);
 227         }
 228
 229         switch (sp->type) {
 230         case SRB_LOGIN_CMD:
 231                 rc = qla24xx_async_abort_cmd(sp, false);
 232                 if (rc) {
 233                         /* Retry as needed. */
 234                         lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 235                         lio->u.logio.data[1] =
 236                                 lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 237                                 QLA_LOGIO_LOGIN_RETRIED : 0;
 238                         spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
 239                         for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
 240                             h++) {
 241                                 if (sp->qpair->req->outstanding_cmds[h] ==
 242                                     sp) {
 243                                         sp->qpair->req->outstanding_cmds[h] =
 244                                             NULL;
 245                                         break;
 246                                 }
 247                         }
 248                         spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
 249                         sp->done(sp, QLA_FUNCTION_TIMEOUT);
 250                 }
 251                 break;
 252         case SRB_LOGOUT_CMD:
 253         case SRB_CT_PTHRU_CMD:
 254         case SRB_MB_IOCB:
 255         case SRB_NACK_PLOGI:
 256         case SRB_NACK_PRLI:
 257         case SRB_NACK_LOGO:
 258         case SRB_CTRL_VP:
 259         default:
 260                 rc = qla24xx_async_abort_cmd(sp, false);
 261                 if (rc) {
 262                         spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
 263                         for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
 264                             h++) {
 265                                 if (sp->qpair->req->outstanding_cmds[h] ==
 266                                     sp) {
 267                                         sp->qpair->req->outstanding_cmds[h] =
 268                                             NULL;
 269                                         break;
 270                                 }
 271                         }
 272                         spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
 273                         sp->done(sp, QLA_FUNCTION_TIMEOUT);
 274                 }
 275                 break;
 276         }
 277 }
 278
 279 static void qla2x00_async_login_sp_done(srb_t *sp, int res)
 280 {
 281         struct scsi_qla_host *vha = sp->vha;
 282         struct srb_iocb *lio = &sp->u.iocb_cmd;
 283         struct event_arg ea;
 284
 285         ql_dbg(ql_dbg_disc, vha, 0x20dd,
 286             "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
 287
 288         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 289
 290         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 291                 memset(&ea, 0, sizeof(ea));
 292                 ea.fcport = sp->fcport;
 293                 ea.data[0] = lio->u.logio.data[0];
 294                 ea.data[1] = lio->u.logio.data[1];
 295                 ea.iop[0] = lio->u.logio.iop[0];
 296                 ea.iop[1] = lio->u.logio.iop[1];
 297                 ea.sp = sp;
 298                 if (res)
 299                         ea.data[0] = MBS_COMMAND_ERROR;
 300                 qla24xx_handle_plogi_done_event(vha, &ea);
 301         }
 302
 303         /* ref: INIT */
 304         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 305 }
 306
 307 int
 308 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 309     uint16_t *data)
 310 {
 311         srb_t *sp;
 312         struct srb_iocb *lio;
 313         int rval = QLA_FUNCTION_FAILED;
 314
 315         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
 316             fcport->loop_id == FC_NO_LOOP_ID) {
 317                 ql_log(ql_log_warn, vha, 0xffff,
 318                     "%s: %8phC - not sending command.\n",
 319                     __func__, fcport->port_name);
 320                 return rval;
 321         }
 322
 323         /* ref: INIT */
 324         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 325         if (!sp)
 326                 goto done;
 327
 328         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
 329         fcport->flags |= FCF_ASYNC_SENT;
 330         fcport->logout_completed = 0;
 331
 332         sp->type = SRB_LOGIN_CMD;
 333         sp->name = "login";
 334         sp->gen1 = fcport->rscn_gen;
 335         sp->gen2 = fcport->login_gen;
 336         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
 337                               qla2x00_async_login_sp_done);
 338
 339         lio = &sp->u.iocb_cmd;
 340         if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport)) {
 341                 lio->u.logio.flags |= SRB_LOGIN_PRLI_ONLY;
 342         } else {
 343                 if (vha->hw->flags.edif_enabled &&
 344                     DBELL_ACTIVE(vha)) {
 345                         lio->u.logio.flags |=
 346                                 (SRB_LOGIN_FCSP | SRB_LOGIN_SKIP_PRLI);
 347                 } else {
 348                         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 349                 }
 350         }
 351
 352         if (NVME_TARGET(vha->hw, fcport))
 353                 lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
 354
 355         rval = qla2x00_start_sp(sp);
 356
 357         ql_dbg(ql_dbg_disc, vha, 0x2072,
 358                "Async-login - %8phC hdl=%x, loopid=%x portid=%06x retries=%d %s.\n",
 359                fcport->port_name, sp->handle, fcport->loop_id,
 360                fcport->d_id.b24, fcport->login_retry,
 361                lio->u.logio.flags & SRB_LOGIN_FCSP ? "FCSP" : "");
 362
 363         if (rval != QLA_SUCCESS) {
 364                 fcport->flags |= FCF_LOGIN_NEEDED;
 365                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 366                 goto done_free_sp;
 367         }
 368
 369         return rval;
 370
 371 done_free_sp:
 372         /* ref: INIT */
 373         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 374         fcport->flags &= ~FCF_ASYNC_SENT;
 375 done:
 376         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 377         return rval;
 378 }
 379
 380 static void qla2x00_async_logout_sp_done(srb_t *sp, int res)
 381 {
 382         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 383         sp->fcport->login_gen++;
 384         qlt_logo_completion_handler(sp->fcport, sp->u.iocb_cmd.u.logio.data[0]);
 385         /* ref: INIT */
 386         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 387 }
 388
 389 int
 390 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 391 {
 392         srb_t *sp;
 393         int rval = QLA_FUNCTION_FAILED;
 394
 395         fcport->flags |= FCF_ASYNC_SENT;
 396         /* ref: INIT */
 397         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 398         if (!sp)
 399                 goto done;
 400
 401         sp->type = SRB_LOGOUT_CMD;
 402         sp->name = "logout";
 403         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
 404                               qla2x00_async_logout_sp_done),
 405
 406         ql_dbg(ql_dbg_disc, vha, 0x2070,
 407             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC explicit %d.\n",
 408             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 409                 fcport->d_id.b.area, fcport->d_id.b.al_pa,
 410                 fcport->port_name, fcport->explicit_logout);
 411
 412         rval = qla2x00_start_sp(sp);
 413         if (rval != QLA_SUCCESS)
 414                 goto done_free_sp;
 415         return rval;
 416
 417 done_free_sp:
 418         /* ref: INIT */
 419         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 420 done:
 421         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 422         return rval;
 423 }
 424
 425 void
 426 qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 427     uint16_t *data)
 428 {
 429         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 430         /* Don't re-login in target mode */
 431         if (!fcport->tgt_session)
 432                 qla2x00_mark_device_lost(vha, fcport, 1);
 433         qlt_logo_completion_handler(fcport, data[0]);
 434 }
 435
 436 static void qla2x00_async_prlo_sp_done(srb_t *sp, int res)
 437 {
 438         struct srb_iocb *lio = &sp->u.iocb_cmd;
 439         struct scsi_qla_host *vha = sp->vha;
 440
 441         sp->fcport->flags &= ~FCF_ASYNC_ACTIVE;
 442         if (!test_bit(UNLOADING, &vha->dpc_flags))
 443                 qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport,
 444                     lio->u.logio.data);
 445         /* ref: INIT */
 446         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 447 }
 448
 449 int
 450 qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport)
 451 {
 452         srb_t *sp;
 453         int rval;
 454
 455         rval = QLA_FUNCTION_FAILED;
 456         /* ref: INIT */
 457         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 458         if (!sp)
 459                 goto done;
 460
 461         sp->type = SRB_PRLO_CMD;
 462         sp->name = "prlo";
 463         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
 464                               qla2x00_async_prlo_sp_done);
 465
 466         ql_dbg(ql_dbg_disc, vha, 0x2070,
 467             "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 468             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 469             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 470
 471         rval = qla2x00_start_sp(sp);
 472         if (rval != QLA_SUCCESS)
 473                 goto done_free_sp;
 474
 475         return rval;
 476
 477 done_free_sp:
 478         /* ref: INIT */
 479         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 480 done:
 481         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 482         return rval;
 483 }
 484
 485 static
 486 void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
 487 {
 488         struct fc_port *fcport = ea->fcport;
 489
 490         ql_dbg(ql_dbg_disc, vha, 0x20d2,
 491             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
 492             __func__, fcport->port_name, fcport->disc_state,
 493             fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
 494             fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
 495
 496         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
 497                   ea->data[0]);
 498
 499         if (ea->data[0] != MBS_COMMAND_COMPLETE) {
 500                 ql_dbg(ql_dbg_disc, vha, 0x2066,
 501                     "%s %8phC: adisc fail: post delete\n",
 502                     __func__, ea->fcport->port_name);
 503                 /* deleted = 0 & logout_on_delete = force fw cleanup */
 504                 fcport->deleted = 0;
 505                 fcport->logout_on_delete = 1;
 506                 qlt_schedule_sess_for_deletion(ea->fcport);
 507                 return;
 508         }
 509
 510         if (ea->fcport->disc_state == DSC_DELETE_PEND)
 511                 return;
 512
 513         if (ea->sp->gen2 != ea->fcport->login_gen) {
 514                 /* target side must have changed it. */
 515                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
 516                     "%s %8phC generation changed\n",
 517                     __func__, ea->fcport->port_name);
 518                 return;
 519         } else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
 520                 qla_rscn_replay(fcport);
 521                 qlt_schedule_sess_for_deletion(fcport);
 522                 return;
 523         }
 524
 525         __qla24xx_handle_gpdb_event(vha, ea);
 526 }
 527
 528 static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 529 {
 530         struct qla_work_evt *e;
 531
 532         e = qla2x00_alloc_work(vha, QLA_EVT_ELS_PLOGI);
 533         if (!e)
 534                 return QLA_FUNCTION_FAILED;
 535
 536         e->u.fcport.fcport = fcport;
 537         fcport->flags |= FCF_ASYNC_ACTIVE;
 538         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
 539         return qla2x00_post_work(vha, e);
 540 }
 541
 542 static void qla2x00_async_adisc_sp_done(srb_t *sp, int res)
 543 {
 544         struct scsi_qla_host *vha = sp->vha;
 545         struct event_arg ea;
 546         struct srb_iocb *lio = &sp->u.iocb_cmd;
 547
 548         ql_dbg(ql_dbg_disc, vha, 0x2066,
 549             "Async done-%s res %x %8phC\n",
 550             sp->name, res, sp->fcport->port_name);
 551
 552         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 553
 554         memset(&ea, 0, sizeof(ea));
 555         ea.rc = res;
 556         ea.data[0] = lio->u.logio.data[0];
 557         ea.data[1] = lio->u.logio.data[1];
 558         ea.iop[0] = lio->u.logio.iop[0];
 559         ea.iop[1] = lio->u.logio.iop[1];
 560         ea.fcport = sp->fcport;
 561         ea.sp = sp;
 562         if (res)
 563                 ea.data[0] = MBS_COMMAND_ERROR;
 564
 565         qla24xx_handle_adisc_event(vha, &ea);
 566         /* ref: INIT */
 567         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 568 }
 569
 570 int
 571 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 572     uint16_t *data)
 573 {
 574         srb_t *sp;
 575         struct srb_iocb *lio;
 576         int rval = QLA_FUNCTION_FAILED;
 577
 578         if (IS_SESSION_DELETED(fcport)) {
 579                 ql_log(ql_log_warn, vha, 0xffff,
 580                        "%s: %8phC is being delete - not sending command.\n",
 581                        __func__, fcport->port_name);
 582                 fcport->flags &= ~FCF_ASYNC_ACTIVE;
 583                 return rval;
 584         }
 585
 586         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 587                 return rval;
 588
 589         fcport->flags |= FCF_ASYNC_SENT;
 590         /* ref: INIT */
 591         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 592         if (!sp)
 593                 goto done;
 594
 595         sp->type = SRB_ADISC_CMD;
 596         sp->name = "adisc";
 597         sp->gen1 = fcport->rscn_gen;
 598         sp->gen2 = fcport->login_gen;
 599         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
 600                               qla2x00_async_adisc_sp_done);
 601
 602         if (data[1] & QLA_LOGIO_LOGIN_RETRIED) {
 603                 lio = &sp->u.iocb_cmd;
 604                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 605         }
 606
 607         ql_dbg(ql_dbg_disc, vha, 0x206f,
 608             "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n",
 609             sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name);
 610
 611         rval = qla2x00_start_sp(sp);
 612         if (rval != QLA_SUCCESS)
 613                 goto done_free_sp;
 614
 615         return rval;
 616
 617 done_free_sp:
 618         /* ref: INIT */
 619         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 620 done:
 621         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 622         qla2x00_post_async_adisc_work(vha, fcport, data);
 623         return rval;
 624 }
 625
 626 static bool qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id)
 627 {
 628         struct qla_hw_data *ha = vha->hw;
 629
 630         if (IS_FWI2_CAPABLE(ha))
 631                 return loop_id > NPH_LAST_HANDLE;
 632
 633         return (loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) ||
 634                 loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST;
 635 }
 636
 637 /**
 638  * qla2x00_find_new_loop_id - scan through our port list and find a new usable loop ID
 639  * @vha: adapter state pointer.
 640  * @dev: port structure pointer.
 641  *
 642  * Returns:
 643  *      qla2x00 local function return status code.
 644  *
 645  * Context:
 646  *      Kernel context.
 647  */
 648 static int qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
 649 {
 650         int     rval;
 651         struct qla_hw_data *ha = vha->hw;
 652         unsigned long flags = 0;
 653
 654         rval = QLA_SUCCESS;
 655
 656         spin_lock_irqsave(&ha->vport_slock, flags);
 657
 658         dev->loop_id = find_first_zero_bit(ha->loop_id_map, LOOPID_MAP_SIZE);
 659         if (dev->loop_id >= LOOPID_MAP_SIZE ||
 660             qla2x00_is_reserved_id(vha, dev->loop_id)) {
 661                 dev->loop_id = FC_NO_LOOP_ID;
 662                 rval = QLA_FUNCTION_FAILED;
 663         } else {
 664                 set_bit(dev->loop_id, ha->loop_id_map);
 665         }
 666         spin_unlock_irqrestore(&ha->vport_slock, flags);
 667
 668         if (rval == QLA_SUCCESS)
 669                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
 670                        "Assigning new loopid=%x, portid=%x.\n",
 671                        dev->loop_id, dev->d_id.b24);
 672         else
 673                 ql_log(ql_log_warn, dev->vha, 0x2087,
 674                        "No loop_id's available, portid=%x.\n",
 675                        dev->d_id.b24);
 676
 677         return rval;
 678 }
 679
 680 void qla2x00_clear_loop_id(fc_port_t *fcport)
 681 {
 682         struct qla_hw_data *ha = fcport->vha->hw;
 683
 684         if (fcport->loop_id == FC_NO_LOOP_ID ||
 685             qla2x00_is_reserved_id(fcport->vha, fcport->loop_id))
 686                 return;
 687
 688         clear_bit(fcport->loop_id, ha->loop_id_map);
 689         fcport->loop_id = FC_NO_LOOP_ID;
 690 }
 691
 692 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
 693         struct event_arg *ea)
 694 {
 695         fc_port_t *fcport, *conflict_fcport;
 696         struct get_name_list_extended *e;
 697         u16 i, n, found = 0, loop_id;
 698         port_id_t id;
 699         u64 wwn;
 700         u16 data[2];
 701         u8 current_login_state, nvme_cls;
 702
 703         fcport = ea->fcport;
 704         ql_dbg(ql_dbg_disc, vha, 0xffff,
 705             "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d edif %d\n",
 706             __func__, fcport->port_name, fcport->disc_state,
 707             fcport->fw_login_state, ea->rc,
 708             fcport->login_gen, fcport->last_login_gen,
 709             fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id, fcport->edif.enable);
 710
 711         if (fcport->disc_state == DSC_DELETE_PEND)
 712                 return;
 713
 714         if (ea->rc) { /* rval */
 715                 if (fcport->login_retry == 0) {
 716                         ql_dbg(ql_dbg_disc, vha, 0x20de,
 717                             "GNL failed Port login retry %8phN, retry cnt=%d.\n",
 718                             fcport->port_name, fcport->login_retry);
 719                 }
 720                 return;
 721         }
 722
 723         if (fcport->last_rscn_gen != fcport->rscn_gen) {
 724                 qla_rscn_replay(fcport);
 725                 qlt_schedule_sess_for_deletion(fcport);
 726                 return;
 727         } else if (fcport->last_login_gen != fcport->login_gen) {
 728                 ql_dbg(ql_dbg_disc, vha, 0x20e0,
 729                     "%s %8phC login gen changed\n",
 730                     __func__, fcport->port_name);
 731                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 732                 return;
 733         }
 734
 735         n = ea->data[0] / sizeof(struct get_name_list_extended);
 736
 737         ql_dbg(ql_dbg_disc, vha, 0x20e1,
 738             "%s %d %8phC n %d %02x%02x%02x lid %d \n",
 739             __func__, __LINE__, fcport->port_name, n,
 740             fcport->d_id.b.domain, fcport->d_id.b.area,
 741             fcport->d_id.b.al_pa, fcport->loop_id);
 742
 743         for (i = 0; i < n; i++) {
 744                 e = &vha->gnl.l[i];
 745                 wwn = wwn_to_u64(e->port_name);
 746                 id.b.domain = e->port_id[2];
 747                 id.b.area = e->port_id[1];
 748                 id.b.al_pa = e->port_id[0];
 749                 id.b.rsvd_1 = 0;
 750
 751                 if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
 752                         continue;
 753
 754                 if (IS_SW_RESV_ADDR(id))
 755                         continue;
 756
 757                 found = 1;
 758
 759                 loop_id = le16_to_cpu(e->nport_handle);
 760                 loop_id = (loop_id & 0x7fff);
 761                 nvme_cls = e->current_login_state >> 4;
 762                 current_login_state = e->current_login_state & 0xf;
 763
 764                 if (PRLI_PHASE(nvme_cls)) {
 765                         current_login_state = nvme_cls;
 766                         fcport->fc4_type &= ~FS_FC4TYPE_FCP;
 767                         fcport->fc4_type |= FS_FC4TYPE_NVME;
 768                 } else if (PRLI_PHASE(current_login_state)) {
 769                         fcport->fc4_type |= FS_FC4TYPE_FCP;
 770                         fcport->fc4_type &= ~FS_FC4TYPE_NVME;
 771                 }
 772
 773                 ql_dbg(ql_dbg_disc, vha, 0x20e2,
 774                     "%s found %8phC CLS [%x|%x] fc4_type %d ID[%06x|%06x] lid[%d|%d]\n",
 775                     __func__, fcport->port_name,
 776                     e->current_login_state, fcport->fw_login_state,
 777                     fcport->fc4_type, id.b24, fcport->d_id.b24,
 778                     loop_id, fcport->loop_id);
 779
 780                 switch (fcport->disc_state) {
 781                 case DSC_DELETE_PEND:
 782                 case DSC_DELETED:
 783                         break;
 784                 default:
 785                         if ((id.b24 != fcport->d_id.b24 &&
 786                             fcport->d_id.b24 &&
 787                             fcport->loop_id != FC_NO_LOOP_ID) ||
 788                             (fcport->loop_id != FC_NO_LOOP_ID &&
 789                                 fcport->loop_id != loop_id)) {
 790                                 ql_dbg(ql_dbg_disc, vha, 0x20e3,
 791                                     "%s %d %8phC post del sess\n",
 792                                     __func__, __LINE__, fcport->port_name);
 793                                 if (fcport->n2n_flag)
 794                                         fcport->d_id.b24 = 0;
 795                                 qlt_schedule_sess_for_deletion(fcport);
 796                                 return;
 797                         }
 798                         break;
 799                 }
 800
 801                 fcport->loop_id = loop_id;
 802                 if (fcport->n2n_flag)
 803                         fcport->d_id.b24 = id.b24;
 804
 805                 wwn = wwn_to_u64(fcport->port_name);
 806                 qlt_find_sess_invalidate_other(vha, wwn,
 807                         id, loop_id, &conflict_fcport);
 808
 809                 if (conflict_fcport) {
 810                         /*
 811                          * Another share fcport share the same loop_id &
 812                          * nport id. Conflict fcport needs to finish
 813                          * cleanup before this fcport can proceed to login.
 814                          */
 815                         conflict_fcport->conflict = fcport;
 816                         fcport->login_pause = 1;
 817                 }
 818
 819                 switch (vha->hw->current_topology) {
 820                 default:
 821                         switch (current_login_state) {
 822                         case DSC_LS_PRLI_COMP:
 823                                 ql_dbg(ql_dbg_disc,
 824                                     vha, 0x20e4, "%s %d %8phC post gpdb\n",
 825                                     __func__, __LINE__, fcport->port_name);
 826
 827                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 828                                         fcport->port_type = FCT_INITIATOR;
 829                                 else
 830                                         fcport->port_type = FCT_TARGET;
 831                                 data[0] = data[1] = 0;
 832                                 qla2x00_post_async_adisc_work(vha, fcport,
 833                                     data);
 834                                 break;
 835                         case DSC_LS_PLOGI_COMP:
 836                                 if (vha->hw->flags.edif_enabled) {
 837                                         /* check to see if App support Secure */
 838                                         qla24xx_post_gpdb_work(vha, fcport, 0);
 839                                         break;
 840                                 }
 841                                 fallthrough;
 842                         case DSC_LS_PORT_UNAVAIL:
 843                         default:
 844                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
 845                                         qla2x00_find_new_loop_id(vha, fcport);
 846                                         fcport->fw_login_state =
 847                                             DSC_LS_PORT_UNAVAIL;
 848                                 }
 849                                 ql_dbg(ql_dbg_disc, vha, 0x20e5,
 850                                     "%s %d %8phC\n", __func__, __LINE__,
 851                                     fcport->port_name);
 852                                 qla24xx_fcport_handle_login(vha, fcport);
 853                                 break;
 854                         }
 855                         break;
 856                 case ISP_CFG_N:
 857                         fcport->fw_login_state = current_login_state;
 858                         fcport->d_id = id;
 859                         switch (current_login_state) {
 860                         case DSC_LS_PRLI_PEND:
 861                                 /*
 862                                  * In the middle of PRLI. Let it finish.
 863                                  * Allow relogin code to recheck state again
 864                                  * with GNL. Push disc_state back to DELETED
 865                                  * so GNL can go out again
 866                                  */
 867                                 qla2x00_set_fcport_disc_state(fcport,
 868                                     DSC_DELETED);
 869                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 870                                 break;
 871                         case DSC_LS_PRLI_COMP:
 872                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 873                                         fcport->port_type = FCT_INITIATOR;
 874                                 else
 875                                         fcport->port_type = FCT_TARGET;
 876
 877                                 data[0] = data[1] = 0;
 878                                 qla2x00_post_async_adisc_work(vha, fcport,
 879                                     data);
 880                                 break;
 881                         case DSC_LS_PLOGI_COMP:
 882                                 if (vha->hw->flags.edif_enabled &&
 883                                     DBELL_ACTIVE(vha)) {
 884                                         /* check to see if App support secure or not */
 885                                         qla24xx_post_gpdb_work(vha, fcport, 0);
 886                                         break;
 887                                 }
 888                                 if (fcport_is_bigger(fcport)) {
 889                                         /* local adapter is smaller */
 890                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 891                                                 qla2x00_clear_loop_id(fcport);
 892
 893                                         fcport->loop_id = loop_id;
 894                                         qla24xx_fcport_handle_login(vha,
 895                                             fcport);
 896                                         break;
 897                                 }
 898                                 fallthrough;
 899                         default:
 900                                 if (fcport_is_smaller(fcport)) {
 901                                         /* local adapter is bigger */
 902                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 903                                                 qla2x00_clear_loop_id(fcport);
 904
 905                                         fcport->loop_id = loop_id;
 906                                         qla24xx_fcport_handle_login(vha,
 907                                             fcport);
 908                                 }
 909                                 break;
 910                         }
 911                         break;
 912                 } /* switch (ha->current_topology) */
 913         }
 914
 915         if (!found) {
 916                 switch (vha->hw->current_topology) {
 917                 case ISP_CFG_F:
 918                 case ISP_CFG_FL:
 919                         for (i = 0; i < n; i++) {
 920                                 e = &vha->gnl.l[i];
 921                                 id.b.domain = e->port_id[0];
 922                                 id.b.area = e->port_id[1];
 923                                 id.b.al_pa = e->port_id[2];
 924                                 id.b.rsvd_1 = 0;
 925                                 loop_id = le16_to_cpu(e->nport_handle);
 926
 927                                 if (fcport->d_id.b24 == id.b24) {
 928                                         conflict_fcport =
 929                                             qla2x00_find_fcport_by_wwpn(vha,
 930                                                 e->port_name, 0);
 931                                         if (conflict_fcport) {
 932                                                 ql_dbg(ql_dbg_disc + ql_dbg_verbose,
 933                                                     vha, 0x20e5,
 934                                                     "%s %d %8phC post del sess\n",
 935                                                     __func__, __LINE__,
 936                                                     conflict_fcport->port_name);
 937                                                 qlt_schedule_sess_for_deletion
 938                                                         (conflict_fcport);
 939                                         }
 940                                 }
 941                                 /*
 942                                  * FW already picked this loop id for
 943                                  * another fcport
 944                                  */
 945                                 if (fcport->loop_id == loop_id)
 946                                         fcport->loop_id = FC_NO_LOOP_ID;
 947                         }
 948                         qla24xx_fcport_handle_login(vha, fcport);
 949                         break;
 950                 case ISP_CFG_N:
 951                         qla2x00_set_fcport_disc_state(fcport, DSC_DELETED);
 952                         if (time_after_eq(jiffies, fcport->dm_login_expire)) {
 953                                 if (fcport->n2n_link_reset_cnt < 2) {
 954                                         fcport->n2n_link_reset_cnt++;
 955                                         /*
 956                                          * remote port is not sending PLOGI.
 957                                          * Reset link to kick start his state
 958                                          * machine
 959                                          */
 960                                         set_bit(N2N_LINK_RESET,
 961                                             &vha->dpc_flags);
 962                                 } else {
 963                                         if (fcport->n2n_chip_reset < 1) {
 964                                                 ql_log(ql_log_info, vha, 0x705d,
 965                                                     "Chip reset to bring laser down");
 966                                                 set_bit(ISP_ABORT_NEEDED,
 967                                                     &vha->dpc_flags);
 968                                                 fcport->n2n_chip_reset++;
 969                                         } else {
 970                                                 ql_log(ql_log_info, vha, 0x705d,
 971                                                     "Remote port %8ph is not coming back\n",
 972                                                     fcport->port_name);
 973                                                 fcport->scan_state = 0;
 974                                         }
 975                                 }
 976                                 qla2xxx_wake_dpc(vha);
 977                         } else {
 978                                 /*
 979                                  * report port suppose to do PLOGI. Give him
 980                                  * more time. FW will catch it.
 981                                  */
 982                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 983                         }
 984                         break;
 985                 case ISP_CFG_NL:
 986                         qla24xx_fcport_handle_login(vha, fcport);
 987                         break;
 988                 default:
 989                         break;
 990                 }
 991         }
 992 } /* gnl_event */
 993
 994 static void qla24xx_async_gnl_sp_done(srb_t *sp, int res)
 995 {
 996         struct scsi_qla_host *vha = sp->vha;
 997         unsigned long flags;
 998         struct fc_port *fcport = NULL, *tf;
 999         u16 i, n = 0, loop_id;
1000         struct event_arg ea;
1001         struct get_name_list_extended *e;
1002         u64 wwn;
1003         struct list_head h;
1004         bool found = false;
1005
1006         ql_dbg(ql_dbg_disc, vha, 0x20e7,
1007             "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
1008             sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
1009             sp->u.iocb_cmd.u.mbx.in_mb[2]);
1010
1011
1012         sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE);
1013         memset(&ea, 0, sizeof(ea));
1014         ea.sp = sp;
1015         ea.rc = res;
1016
1017         if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
1018             sizeof(struct get_name_list_extended)) {
1019                 n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
1020                     sizeof(struct get_name_list_extended);
1021                 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
1022         }
1023
1024         for (i = 0; i < n; i++) {
1025                 e = &vha->gnl.l[i];
1026                 loop_id = le16_to_cpu(e->nport_handle);
1027                 /* mask out reserve bit */
1028                 loop_id = (loop_id & 0x7fff);
1029                 set_bit(loop_id, vha->hw->loop_id_map);
1030                 wwn = wwn_to_u64(e->port_name);
1031
1032                 ql_dbg(ql_dbg_disc, vha, 0x20e8,
1033                     "%s %8phC %02x:%02x:%02x CLS %x/%x lid %x \n",
1034                     __func__, &wwn, e->port_id[2], e->port_id[1],
1035                     e->port_id[0], e->current_login_state, e->last_login_state,
1036                     (loop_id & 0x7fff));
1037         }
1038
1039         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1040
1041         INIT_LIST_HEAD(&h);
1042         fcport = tf = NULL;
1043         if (!list_empty(&vha->gnl.fcports))
1044                 list_splice_init(&vha->gnl.fcports, &h);
1045         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1046
1047         list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
1048                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1049                 list_del_init(&fcport->gnl_entry);
1050                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1051                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1052                 ea.fcport = fcport;
1053
1054                 qla24xx_handle_gnl_done_event(vha, &ea);
1055         }
1056
1057         /* create new fcport if fw has knowledge of new sessions */
1058         for (i = 0; i < n; i++) {
1059                 port_id_t id;
1060                 u64 wwnn;
1061
1062                 e = &vha->gnl.l[i];
1063                 wwn = wwn_to_u64(e->port_name);
1064
1065                 found = false;
1066                 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
1067                         if (!memcmp((u8 *)&wwn, fcport->port_name,
1068                             WWN_SIZE)) {
1069                                 found = true;
1070                                 break;
1071                         }
1072                 }
1073
1074                 id.b.domain = e->port_id[2];
1075                 id.b.area = e->port_id[1];
1076                 id.b.al_pa = e->port_id[0];
1077                 id.b.rsvd_1 = 0;
1078
1079                 if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
1080                         ql_dbg(ql_dbg_disc, vha, 0x2065,
1081                             "%s %d %8phC %06x post new sess\n",
1082                             __func__, __LINE__, (u8 *)&wwn, id.b24);
1083                         wwnn = wwn_to_u64(e->node_name);
1084                         qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
1085                             (u8 *)&wwnn, NULL, 0);
1086                 }
1087         }
1088
1089         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1090         vha->gnl.sent = 0;
1091         if (!list_empty(&vha->gnl.fcports)) {
1092                 /* retrigger gnl */
1093                 list_for_each_entry_safe(fcport, tf, &vha->gnl.fcports,
1094                     gnl_entry) {
1095                         list_del_init(&fcport->gnl_entry);
1096                         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1097                         if (qla24xx_post_gnl_work(vha, fcport) == QLA_SUCCESS)
1098                                 break;
1099                 }
1100         }
1101         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1102
1103         /* ref: INIT */
1104         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1105 }
1106
1107 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
1108 {
1109         srb_t *sp;
1110         int rval = QLA_FUNCTION_FAILED;
1111         unsigned long flags;
1112         u16 *mb;
1113
1114         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
1115                 return rval;
1116
1117         ql_dbg(ql_dbg_disc, vha, 0x20d9,
1118             "Async-gnlist WWPN %8phC \n", fcport->port_name);
1119
1120         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1121         fcport->flags |= FCF_ASYNC_SENT;
1122         qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1123         fcport->last_rscn_gen = fcport->rscn_gen;
1124         fcport->last_login_gen = fcport->login_gen;
1125
1126         list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
1127         if (vha->gnl.sent) {
1128                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1129                 return QLA_SUCCESS;
1130         }
1131         vha->gnl.sent = 1;
1132         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1133
1134         /* ref: INIT */
1135         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1136         if (!sp)
1137                 goto done;
1138
1139         sp->type = SRB_MB_IOCB;
1140         sp->name = "gnlist";
1141         sp->gen1 = fcport->rscn_gen;
1142         sp->gen2 = fcport->login_gen;
1143         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
1144                               qla24xx_async_gnl_sp_done);
1145
1146         mb = sp->u.iocb_cmd.u.mbx.out_mb;
1147         mb[0] = MBC_PORT_NODE_NAME_LIST;
1148         mb[1] = BIT_2 | BIT_3;
1149         mb[2] = MSW(vha->gnl.ldma);
1150         mb[3] = LSW(vha->gnl.ldma);
1151         mb[6] = MSW(MSD(vha->gnl.ldma));
1152         mb[7] = LSW(MSD(vha->gnl.ldma));
1153         mb[8] = vha->gnl.size;
1154         mb[9] = vha->vp_idx;
1155
1156         ql_dbg(ql_dbg_disc, vha, 0x20da,
1157             "Async-%s - OUT WWPN %8phC hndl %x\n",
1158             sp->name, fcport->port_name, sp->handle);
1159
1160         rval = qla2x00_start_sp(sp);
1161         if (rval != QLA_SUCCESS)
1162                 goto done_free_sp;
1163
1164         return rval;
1165
1166 done_free_sp:
1167         /* ref: INIT */
1168         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1169 done:
1170         fcport->flags &= ~(FCF_ASYNC_ACTIVE | FCF_ASYNC_SENT);
1171         return rval;
1172 }
1173
1174 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1175 {
1176         struct qla_work_evt *e;
1177
1178         e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
1179         if (!e)
1180                 return QLA_FUNCTION_FAILED;
1181
1182         e->u.fcport.fcport = fcport;
1183         fcport->flags |= FCF_ASYNC_ACTIVE;
1184         return qla2x00_post_work(vha, e);
1185 }
1186
1187 static void qla24xx_async_gpdb_sp_done(srb_t *sp, int res)
1188 {
1189         struct scsi_qla_host *vha = sp->vha;
1190         struct qla_hw_data *ha = vha->hw;
1191         fc_port_t *fcport = sp->fcport;
1192         u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
1193         struct event_arg ea;
1194
1195         ql_dbg(ql_dbg_disc, vha, 0x20db,
1196             "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
1197             sp->name, res, fcport->port_name, mb[1], mb[2]);
1198
1199         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1200
1201         if (res == QLA_FUNCTION_TIMEOUT)
1202                 goto done;
1203
1204         memset(&ea, 0, sizeof(ea));
1205         ea.fcport = fcport;
1206         ea.sp = sp;
1207
1208         qla24xx_handle_gpdb_event(vha, &ea);
1209
1210 done:
1211         dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
1212                 sp->u.iocb_cmd.u.mbx.in_dma);
1213
1214         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1215 }
1216
1217 int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1218 {
1219         struct qla_work_evt *e;
1220
1221         if (vha->host->active_mode == MODE_TARGET)
1222                 return QLA_FUNCTION_FAILED;
1223
1224         e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
1225         if (!e)
1226                 return QLA_FUNCTION_FAILED;
1227
1228         e->u.fcport.fcport = fcport;
1229
1230         return qla2x00_post_work(vha, e);
1231 }
1232
1233 static void qla2x00_async_prli_sp_done(srb_t *sp, int res)
1234 {
1235         struct scsi_qla_host *vha = sp->vha;
1236         struct srb_iocb *lio = &sp->u.iocb_cmd;
1237         struct event_arg ea;
1238
1239         ql_dbg(ql_dbg_disc, vha, 0x2129,
1240             "%s %8phC res %x\n", __func__,
1241             sp->fcport->port_name, res);
1242
1243         sp->fcport->flags &= ~FCF_ASYNC_SENT;
1244
1245         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
1246                 memset(&ea, 0, sizeof(ea));
1247                 ea.fcport = sp->fcport;
1248                 ea.data[0] = lio->u.logio.data[0];
1249                 ea.data[1] = lio->u.logio.data[1];
1250                 ea.iop[0] = lio->u.logio.iop[0];
1251                 ea.iop[1] = lio->u.logio.iop[1];
1252                 ea.sp = sp;
1253                 if (res == QLA_OS_TIMER_EXPIRED)
1254                         ea.data[0] = QLA_OS_TIMER_EXPIRED;
1255                 else if (res)
1256                         ea.data[0] = MBS_COMMAND_ERROR;
1257
1258                 qla24xx_handle_prli_done_event(vha, &ea);
1259         }
1260
1261         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1262 }
1263
1264 int
1265 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
1266 {
1267         srb_t *sp;
1268         struct srb_iocb *lio;
1269         int rval = QLA_FUNCTION_FAILED;
1270
1271         if (!vha->flags.online) {
1272                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
1273                     __func__, __LINE__, fcport->port_name);
1274                 return rval;
1275         }
1276
1277         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
1278             fcport->fw_login_state == DSC_LS_PRLI_PEND) &&
1279             qla_dual_mode_enabled(vha)) {
1280                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
1281                     __func__, __LINE__, fcport->port_name);
1282                 return rval;
1283         }
1284
1285         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1286         if (!sp)
1287                 return rval;
1288
1289         fcport->flags |= FCF_ASYNC_SENT;
1290         fcport->logout_completed = 0;
1291
1292         sp->type = SRB_PRLI_CMD;
1293         sp->name = "prli";
1294         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
1295                               qla2x00_async_prli_sp_done);
1296
1297         lio = &sp->u.iocb_cmd;
1298         lio->u.logio.flags = 0;
1299
1300         if (NVME_TARGET(vha->hw, fcport))
1301                 lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
1302
1303         ql_dbg(ql_dbg_disc, vha, 0x211b,
1304             "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d fc4type %x priority %x %s.\n",
1305             fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24,
1306             fcport->login_retry, fcport->fc4_type, vha->hw->fc4_type_priority,
1307             NVME_TARGET(vha->hw, fcport) ? "nvme" : "fcp");
1308
1309         rval = qla2x00_start_sp(sp);
1310         if (rval != QLA_SUCCESS) {
1311                 fcport->flags |= FCF_LOGIN_NEEDED;
1312                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1313                 goto done_free_sp;
1314         }
1315
1316         return rval;
1317
1318 done_free_sp:
1319         /* ref: INIT */
1320         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1321         fcport->flags &= ~FCF_ASYNC_SENT;
1322         return rval;
1323 }
1324
1325 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1326 {
1327         struct qla_work_evt *e;
1328
1329         e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
1330         if (!e)
1331                 return QLA_FUNCTION_FAILED;
1332
1333         e->u.fcport.fcport = fcport;
1334         e->u.fcport.opt = opt;
1335         fcport->flags |= FCF_ASYNC_ACTIVE;
1336         return qla2x00_post_work(vha, e);
1337 }
1338
1339 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1340 {
1341         srb_t *sp;
1342         struct srb_iocb *mbx;
1343         int rval = QLA_FUNCTION_FAILED;
1344         u16 *mb;
1345         dma_addr_t pd_dma;
1346         struct port_database_24xx *pd;
1347         struct qla_hw_data *ha = vha->hw;
1348
1349         if (IS_SESSION_DELETED(fcport)) {
1350                 ql_log(ql_log_warn, vha, 0xffff,
1351                        "%s: %8phC is being delete - not sending command.\n",
1352                        __func__, fcport->port_name);
1353                 fcport->flags &= ~FCF_ASYNC_ACTIVE;
1354                 return rval;
1355         }
1356
1357         if (!vha->flags.online || fcport->flags & FCF_ASYNC_SENT) {
1358                 ql_log(ql_log_warn, vha, 0xffff,
1359                     "%s: %8phC online %d flags %x - not sending command.\n",
1360                     __func__, fcport->port_name, vha->flags.online, fcport->flags);
1361                 goto done;
1362         }
1363
1364         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1365         if (!sp)
1366                 goto done;
1367
1368         qla2x00_set_fcport_disc_state(fcport, DSC_GPDB);
1369
1370         fcport->flags |= FCF_ASYNC_SENT;
1371         sp->type = SRB_MB_IOCB;
1372         sp->name = "gpdb";
1373         sp->gen1 = fcport->rscn_gen;
1374         sp->gen2 = fcport->login_gen;
1375         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
1376                               qla24xx_async_gpdb_sp_done);
1377
1378         pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
1379         if (pd == NULL) {
1380                 ql_log(ql_log_warn, vha, 0xd043,
1381                     "Failed to allocate port database structure.\n");
1382                 goto done_free_sp;
1383         }
1384
1385         mb = sp->u.iocb_cmd.u.mbx.out_mb;
1386         mb[0] = MBC_GET_PORT_DATABASE;
1387         mb[1] = fcport->loop_id;
1388         mb[2] = MSW(pd_dma);
1389         mb[3] = LSW(pd_dma);
1390         mb[6] = MSW(MSD(pd_dma));
1391         mb[7] = LSW(MSD(pd_dma));
1392         mb[9] = vha->vp_idx;
1393         mb[10] = opt;
1394
1395         mbx = &sp->u.iocb_cmd;
1396         mbx->u.mbx.in = (void *)pd;
1397         mbx->u.mbx.in_dma = pd_dma;
1398
1399         ql_dbg(ql_dbg_disc, vha, 0x20dc,
1400             "Async-%s %8phC hndl %x opt %x\n",
1401             sp->name, fcport->port_name, sp->handle, opt);
1402
1403         rval = qla2x00_start_sp(sp);
1404         if (rval != QLA_SUCCESS)
1405                 goto done_free_sp;
1406         return rval;
1407
1408 done_free_sp:
1409         if (pd)
1410                 dma_pool_free(ha->s_dma_pool, pd, pd_dma);
1411
1412         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1413         fcport->flags &= ~FCF_ASYNC_SENT;
1414 done:
1415         fcport->flags &= ~FCF_ASYNC_ACTIVE;
1416         qla24xx_post_gpdb_work(vha, fcport, opt);
1417         return rval;
1418 }
1419
1420 static
1421 void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1422 {
1423         unsigned long flags;
1424
1425         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1426         ea->fcport->login_gen++;
1427         ea->fcport->deleted = 0;
1428         ea->fcport->logout_on_delete = 1;
1429
1430         if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
1431                 vha->fcport_count++;
1432                 ea->fcport->login_succ = 1;
1433
1434                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1435                 qla24xx_sched_upd_fcport(ea->fcport);
1436                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1437         } else if (ea->fcport->login_succ) {
1438                 /*
1439                  * We have an existing session. A late RSCN delivery
1440                  * must have triggered the session to be re-validate.
1441                  * Session is still valid.
1442                  */
1443                 ql_dbg(ql_dbg_disc, vha, 0x20d6,
1444                     "%s %d %8phC session revalidate success\n",
1445                     __func__, __LINE__, ea->fcport->port_name);
1446                 qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_COMPLETE);
1447         }
1448         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1449 }
1450
1451 static int      qla_chk_secure_login(scsi_qla_host_t    *vha, fc_port_t *fcport,
1452         struct port_database_24xx *pd)
1453 {
1454         int rc = 0;
1455
1456         if (pd->secure_login) {
1457                 ql_dbg(ql_dbg_disc, vha, 0x104d,
1458                     "Secure Login established on %8phC\n",
1459                     fcport->port_name);
1460                 fcport->flags |= FCF_FCSP_DEVICE;
1461         } else {
1462                 ql_dbg(ql_dbg_disc, vha, 0x104d,
1463                     "non-Secure Login %8phC",
1464                     fcport->port_name);
1465                 fcport->flags &= ~FCF_FCSP_DEVICE;
1466         }
1467         if (vha->hw->flags.edif_enabled) {
1468                 if (fcport->flags & FCF_FCSP_DEVICE) {
1469                         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_AUTH_PEND);
1470                         /* Start edif prli timer & ring doorbell for app */
1471                         fcport->edif.rx_sa_set = 0;
1472                         fcport->edif.tx_sa_set = 0;
1473                         fcport->edif.rx_sa_pending = 0;
1474                         fcport->edif.tx_sa_pending = 0;
1475
1476                         qla2x00_post_aen_work(vha, FCH_EVT_PORT_ONLINE,
1477                             fcport->d_id.b24);
1478
1479                         if (DBELL_ACTIVE(vha)) {
1480                                 ql_dbg(ql_dbg_disc, vha, 0x20ef,
1481                                     "%s %d %8phC EDIF: post DB_AUTH: AUTH needed\n",
1482                                     __func__, __LINE__, fcport->port_name);
1483                                 fcport->edif.app_started = 1;
1484                                 fcport->edif.app_sess_online = 1;
1485
1486                                 qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_NEEDED,
1487                                     fcport->d_id.b24, 0, fcport);
1488                         }
1489
1490                         rc = 1;
1491                 } else if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
1492                         ql_dbg(ql_dbg_disc, vha, 0x2117,
1493                             "%s %d %8phC post prli\n",
1494                             __func__, __LINE__, fcport->port_name);
1495                         qla24xx_post_prli_work(vha, fcport);
1496                         rc = 1;
1497                 }
1498         }
1499         return rc;
1500 }
1501
1502 static
1503 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1504 {
1505         fc_port_t *fcport = ea->fcport;
1506         struct port_database_24xx *pd;
1507         struct srb *sp = ea->sp;
1508         uint8_t ls;
1509
1510         pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
1511
1512         fcport->flags &= ~FCF_ASYNC_SENT;
1513
1514         ql_dbg(ql_dbg_disc, vha, 0x20d2,
1515             "%s %8phC DS %d LS %x fc4_type %x rc %x\n", __func__,
1516             fcport->port_name, fcport->disc_state, pd->current_login_state,
1517             fcport->fc4_type, ea->rc);
1518
1519         if (fcport->disc_state == DSC_DELETE_PEND) {
1520                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC\n",
1521                        __func__, __LINE__, fcport->port_name);
1522                 return;
1523         }
1524
1525         if (NVME_TARGET(vha->hw, fcport))
1526                 ls = pd->current_login_state >> 4;
1527         else
1528                 ls = pd->current_login_state & 0xf;
1529
1530         if (ea->sp->gen2 != fcport->login_gen) {
1531                 /* target side must have changed it. */
1532
1533                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1534                     "%s %8phC generation changed\n",
1535                     __func__, fcport->port_name);
1536                 return;
1537         } else if (ea->sp->gen1 != fcport->rscn_gen) {
1538                 qla_rscn_replay(fcport);
1539                 qlt_schedule_sess_for_deletion(fcport);
1540                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n",
1541                        __func__, __LINE__, fcport->port_name, ls);
1542                 return;
1543         }
1544
1545         switch (ls) {
1546         case PDS_PRLI_COMPLETE:
1547                 __qla24xx_parse_gpdb(vha, fcport, pd);
1548                 break;
1549         case PDS_PLOGI_COMPLETE:
1550                 if (qla_chk_secure_login(vha, fcport, pd)) {
1551                         ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n",
1552                                __func__, __LINE__, fcport->port_name, ls);
1553                         return;
1554                 }
1555                 fallthrough;
1556         case PDS_PLOGI_PENDING:
1557         case PDS_PRLI_PENDING:
1558         case PDS_PRLI2_PENDING:
1559                 /* Set discovery state back to GNL to Relogin attempt */
1560                 if (qla_dual_mode_enabled(vha) ||
1561                     qla_ini_mode_enabled(vha)) {
1562                         qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1563                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1564                 }
1565                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n",
1566                        __func__, __LINE__, fcport->port_name, ls);
1567                 return;
1568         case PDS_LOGO_PENDING:
1569         case PDS_PORT_UNAVAILABLE:
1570         default:
1571                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
1572                     __func__, __LINE__, fcport->port_name);
1573                 qlt_schedule_sess_for_deletion(fcport);
1574                 return;
1575         }
1576         __qla24xx_handle_gpdb_event(vha, ea);
1577 } /* gpdb event */
1578
1579 static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1580 {
1581         u8 login = 0;
1582         int rc;
1583
1584         ql_dbg(ql_dbg_disc, vha, 0x307b,
1585             "%s %8phC DS %d LS %d lid %d retries=%d\n",
1586             __func__, fcport->port_name, fcport->disc_state,
1587             fcport->fw_login_state, fcport->loop_id, fcport->login_retry);
1588
1589         if (qla_tgt_mode_enabled(vha))
1590                 return;
1591
1592         if (qla_dual_mode_enabled(vha)) {
1593                 if (N2N_TOPO(vha->hw)) {
1594                         u64 mywwn, wwn;
1595
1596                         mywwn = wwn_to_u64(vha->port_name);
1597                         wwn = wwn_to_u64(fcport->port_name);
1598                         if (mywwn > wwn)
1599                                 login = 1;
1600                         else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1601                             && time_after_eq(jiffies,
1602                                     fcport->plogi_nack_done_deadline))
1603                                 login = 1;
1604                 } else {
1605                         login = 1;
1606                 }
1607         } else {
1608                 /* initiator mode */
1609                 login = 1;
1610         }
1611
1612         if (login && fcport->login_retry) {
1613                 fcport->login_retry--;
1614                 if (fcport->loop_id == FC_NO_LOOP_ID) {
1615                         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
1616                         rc = qla2x00_find_new_loop_id(vha, fcport);
1617                         if (rc) {
1618                                 ql_dbg(ql_dbg_disc, vha, 0x20e6,
1619                                     "%s %d %8phC post del sess - out of loopid\n",
1620                                     __func__, __LINE__, fcport->port_name);
1621                                 fcport->scan_state = 0;
1622                                 qlt_schedule_sess_for_deletion(fcport);
1623                                 return;
1624                         }
1625                 }
1626                 ql_dbg(ql_dbg_disc, vha, 0x20bf,
1627                     "%s %d %8phC post login\n",
1628                     __func__, __LINE__, fcport->port_name);
1629                 qla2x00_post_async_login_work(vha, fcport, NULL);
1630         }
1631 }
1632
1633 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1634 {
1635         u16 data[2];
1636         u64 wwn;
1637         u16 sec;
1638
1639         ql_dbg(ql_dbg_disc, vha, 0x20d8,
1640             "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d lid %d scan %d fc4type %x\n",
1641             __func__, fcport->port_name, fcport->disc_state,
1642             fcport->fw_login_state, fcport->login_pause, fcport->flags,
1643             fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
1644             fcport->login_gen, fcport->loop_id, fcport->scan_state,
1645             fcport->fc4_type);
1646
1647         if (fcport->scan_state != QLA_FCPORT_FOUND ||
1648             fcport->disc_state == DSC_DELETE_PEND)
1649                 return 0;
1650
1651         if ((fcport->loop_id != FC_NO_LOOP_ID) &&
1652             qla_dual_mode_enabled(vha) &&
1653             ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1654              (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
1655                 return 0;
1656
1657         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP &&
1658             !N2N_TOPO(vha->hw)) {
1659                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1660                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1661                         return 0;
1662                 }
1663         }
1664
1665         /* Target won't initiate port login if fabric is present */
1666         if (vha->host->active_mode == MODE_TARGET && !N2N_TOPO(vha->hw))
1667                 return 0;
1668
1669         if (fcport->flags & (FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE)) {
1670                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1671                 return 0;
1672         }
1673
1674         switch (fcport->disc_state) {
1675         case DSC_DELETED:
1676                 wwn = wwn_to_u64(fcport->node_name);
1677                 switch (vha->hw->current_topology) {
1678                 case ISP_CFG_N:
1679                         if (fcport_is_smaller(fcport)) {
1680                                 /* this adapter is bigger */
1681                                 if (fcport->login_retry) {
1682                                         if (fcport->loop_id == FC_NO_LOOP_ID) {
1683                                                 qla2x00_find_new_loop_id(vha,
1684                                                     fcport);
1685                                                 fcport->fw_login_state =
1686                                                     DSC_LS_PORT_UNAVAIL;
1687                                         }
1688                                         fcport->login_retry--;
1689                                         qla_post_els_plogi_work(vha, fcport);
1690                                 } else {
1691                                         ql_log(ql_log_info, vha, 0x705d,
1692                                             "Unable to reach remote port %8phC",
1693                                             fcport->port_name);
1694                                 }
1695                         } else {
1696                                 qla24xx_post_gnl_work(vha, fcport);
1697                         }
1698                         break;
1699                 default:
1700                         if (wwn == 0)    {
1701                                 ql_dbg(ql_dbg_disc, vha, 0xffff,
1702                                     "%s %d %8phC post GNNID\n",
1703                                     __func__, __LINE__, fcport->port_name);
1704                                 qla24xx_post_gnnid_work(vha, fcport);
1705                         } else if (fcport->loop_id == FC_NO_LOOP_ID) {
1706                                 ql_dbg(ql_dbg_disc, vha, 0x20bd,
1707                                     "%s %d %8phC post gnl\n",
1708                                     __func__, __LINE__, fcport->port_name);
1709                                 qla24xx_post_gnl_work(vha, fcport);
1710                         } else {
1711                                 qla_chk_n2n_b4_login(vha, fcport);
1712                         }
1713                         break;
1714                 }
1715                 break;
1716
1717         case DSC_GNL:
1718                 switch (vha->hw->current_topology) {
1719                 case ISP_CFG_N:
1720                         if ((fcport->current_login_state & 0xf) == 0x6) {
1721                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1722                                     "%s %d %8phC post GPDB work\n",
1723                                     __func__, __LINE__, fcport->port_name);
1724                                 fcport->chip_reset =
1725                                         vha->hw->base_qpair->chip_reset;
1726                                 qla24xx_post_gpdb_work(vha, fcport, 0);
1727                         }  else {
1728                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1729                                     "%s %d %8phC post %s PRLI\n",
1730                                     __func__, __LINE__, fcport->port_name,
1731                                     NVME_TARGET(vha->hw, fcport) ? "NVME" :
1732                                     "FC");
1733                                 qla24xx_post_prli_work(vha, fcport);
1734                         }
1735                         break;
1736                 default:
1737                         if (fcport->login_pause) {
1738                                 ql_dbg(ql_dbg_disc, vha, 0x20d8,
1739                                     "%s %d %8phC exit\n",
1740                                     __func__, __LINE__,
1741                                     fcport->port_name);
1742                                 fcport->last_rscn_gen = fcport->rscn_gen;
1743                                 fcport->last_login_gen = fcport->login_gen;
1744                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1745                                 break;
1746                         }
1747                         qla_chk_n2n_b4_login(vha, fcport);
1748                         break;
1749                 }
1750                 break;
1751
1752         case DSC_LOGIN_FAILED:
1753                 if (N2N_TOPO(vha->hw))
1754                         qla_chk_n2n_b4_login(vha, fcport);
1755                 else
1756                         qlt_schedule_sess_for_deletion(fcport);
1757                 break;
1758
1759         case DSC_LOGIN_COMPLETE:
1760                 /* recheck login state */
1761                 data[0] = data[1] = 0;
1762                 qla2x00_post_async_adisc_work(vha, fcport, data);
1763                 break;
1764
1765         case DSC_LOGIN_PEND:
1766                 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1767                         qla24xx_post_prli_work(vha, fcport);
1768                 break;
1769
1770         case DSC_UPD_FCPORT:
1771                 sec =  jiffies_to_msecs(jiffies -
1772                     fcport->jiffies_at_registration)/1000;
1773                 if (fcport->sec_since_registration < sec && sec &&
1774                     !(sec % 60)) {
1775                         fcport->sec_since_registration = sec;
1776                         ql_dbg(ql_dbg_disc, fcport->vha, 0xffff,
1777                             "%s %8phC - Slow Rport registration(%d Sec)\n",
1778                             __func__, fcport->port_name, sec);
1779                 }
1780
1781                 if (fcport->next_disc_state != DSC_DELETE_PEND)
1782                         fcport->next_disc_state = DSC_ADISC;
1783                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1784                 break;
1785
1786         default:
1787                 break;
1788         }
1789
1790         return 0;
1791 }
1792
1793 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1794     u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
1795 {
1796         struct qla_work_evt *e;
1797
1798         e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1799         if (!e)
1800                 return QLA_FUNCTION_FAILED;
1801
1802         e->u.new_sess.id = *id;
1803         e->u.new_sess.pla = pla;
1804         e->u.new_sess.fc4_type = fc4_type;
1805         memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1806         if (node_name)
1807                 memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
1808
1809         return qla2x00_post_work(vha, e);
1810 }
1811
1812 void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
1813 {
1814         fc_port_t *fcport;
1815         unsigned long flags;
1816
1817         switch (ea->id.b.rsvd_1) {
1818         case RSCN_PORT_ADDR:
1819                 fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
1820                 if (fcport) {
1821                         if (fcport->flags & FCF_FCP2_DEVICE) {
1822                                 ql_dbg(ql_dbg_disc, vha, 0x2115,
1823                                        "Delaying session delete for FCP2 portid=%06x %8phC ",
1824                                         fcport->d_id.b24, fcport->port_name);
1825                                 return;
1826                         }
1827
1828                         if (vha->hw->flags.edif_enabled && DBELL_ACTIVE(vha)) {
1829                                 /*
1830                                  * On ipsec start by remote port, Target port
1831                                  * may use RSCN to trigger initiator to
1832                                  * relogin. If driver is already in the
1833                                  * process of a relogin, then ignore the RSCN
1834                                  * and allow the current relogin to continue.
1835                                  * This reduces thrashing of the connection.
1836                                  */
1837                                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1838                                         /*
1839                                          * If state = online, then set scan_needed=1 to do relogin.
1840                                          * Otherwise we're already in the middle of a relogin
1841                                          */
1842                                         fcport->scan_needed = 1;
1843                                         fcport->rscn_gen++;
1844                                 }
1845                         } else {
1846                                 fcport->scan_needed = 1;
1847                                 fcport->rscn_gen++;
1848                         }
1849                 }
1850                 break;
1851         case RSCN_AREA_ADDR:
1852                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1853                         if (fcport->flags & FCF_FCP2_DEVICE)
1854                                 continue;
1855
1856                         if ((ea->id.b24 & 0xffff00) == (fcport->d_id.b24 & 0xffff00)) {
1857                                 fcport->scan_needed = 1;
1858                                 fcport->rscn_gen++;
1859                         }
1860                 }
1861                 break;
1862         case RSCN_DOM_ADDR:
1863                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1864                         if (fcport->flags & FCF_FCP2_DEVICE)
1865                                 continue;
1866
1867                         if ((ea->id.b24 & 0xff0000) == (fcport->d_id.b24 & 0xff0000)) {
1868                                 fcport->scan_needed = 1;
1869                                 fcport->rscn_gen++;
1870                         }
1871                 }
1872                 break;
1873         case RSCN_FAB_ADDR:
1874         default:
1875                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1876                         if (fcport->flags & FCF_FCP2_DEVICE)
1877                                 continue;
1878
1879                         fcport->scan_needed = 1;
1880                         fcport->rscn_gen++;
1881                 }
1882                 break;
1883         }
1884
1885         spin_lock_irqsave(&vha->work_lock, flags);
1886         if (vha->scan.scan_flags == 0) {
1887                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s: schedule\n", __func__);
1888                 vha->scan.scan_flags |= SF_QUEUED;
1889                 schedule_delayed_work(&vha->scan.scan_work, 5);
1890         }
1891         spin_unlock_irqrestore(&vha->work_lock, flags);
1892 }
1893
1894 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1895         struct event_arg *ea)
1896 {
1897         fc_port_t *fcport = ea->fcport;
1898
1899         if (test_bit(UNLOADING, &vha->dpc_flags))
1900                 return;
1901
1902         ql_dbg(ql_dbg_disc, vha, 0x2102,
1903             "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1904             __func__, fcport->port_name, fcport->disc_state,
1905             fcport->fw_login_state, fcport->login_pause,
1906             fcport->deleted, fcport->conflict,
1907             fcport->last_rscn_gen, fcport->rscn_gen,
1908             fcport->last_login_gen, fcport->login_gen,
1909             fcport->flags);
1910
1911         if (fcport->last_rscn_gen != fcport->rscn_gen) {
1912                 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gnl\n",
1913                     __func__, __LINE__, fcport->port_name);
1914                 qla24xx_post_gnl_work(vha, fcport);
1915                 return;
1916         }
1917
1918         qla24xx_fcport_handle_login(vha, fcport);
1919 }
1920
1921 void qla_handle_els_plogi_done(scsi_qla_host_t *vha,
1922                                       struct event_arg *ea)
1923 {
1924         if (N2N_TOPO(vha->hw) && fcport_is_smaller(ea->fcport) &&
1925             vha->hw->flags.edif_enabled) {
1926                 /* check to see if App support Secure */
1927                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1928                 return;
1929         }
1930
1931         /* for pure Target Mode, PRLI will not be initiated */
1932         if (vha->host->active_mode == MODE_TARGET)
1933                 return;
1934
1935         ql_dbg(ql_dbg_disc, vha, 0x2118,
1936             "%s %d %8phC post PRLI\n",
1937             __func__, __LINE__, ea->fcport->port_name);
1938         qla24xx_post_prli_work(vha, ea->fcport);
1939 }
1940
1941 /*
1942  * RSCN(s) came in for this fcport, but the RSCN(s) was not able
1943  * to be consumed by the fcport
1944  */
1945 void qla_rscn_replay(fc_port_t *fcport)
1946 {
1947         struct event_arg ea;
1948
1949         switch (fcport->disc_state) {
1950         case DSC_DELETE_PEND:
1951                 return;
1952         default:
1953                 break;
1954         }
1955
1956         if (fcport->scan_needed) {
1957                 memset(&ea, 0, sizeof(ea));
1958                 ea.id = fcport->d_id;
1959                 ea.id.b.rsvd_1 = RSCN_PORT_ADDR;
1960                 qla2x00_handle_rscn(fcport->vha, &ea);
1961         }
1962 }
1963
1964 static void
1965 qla2x00_tmf_iocb_timeout(void *data)
1966 {
1967         srb_t *sp = data;
1968         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1969         int rc, h;
1970         unsigned long flags;
1971
1972         rc = qla24xx_async_abort_cmd(sp, false);
1973         if (rc) {
1974                 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
1975                 for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) {
1976                         if (sp->qpair->req->outstanding_cmds[h] == sp) {
1977                                 sp->qpair->req->outstanding_cmds[h] = NULL;
1978                                 break;
1979                         }
1980                 }
1981                 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
1982                 tmf->u.tmf.comp_status = cpu_to_le16(CS_TIMEOUT);
1983                 tmf->u.tmf.data = QLA_FUNCTION_FAILED;
1984                 complete(&tmf->u.tmf.comp);
1985         }
1986 }
1987
1988 static void qla2x00_tmf_sp_done(srb_t *sp, int res)
1989 {
1990         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1991
1992         complete(&tmf->u.tmf.comp);
1993 }
1994
1995 int
1996 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1997         uint32_t tag)
1998 {
1999         struct scsi_qla_host *vha = fcport->vha;
2000         struct srb_iocb *tm_iocb;
2001         srb_t *sp;
2002         int rval = QLA_FUNCTION_FAILED;
2003
2004         /* ref: INIT */
2005         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2006         if (!sp)
2007                 goto done;
2008
2009         sp->type = SRB_TM_CMD;
2010         sp->name = "tmf";
2011         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha),
2012                               qla2x00_tmf_sp_done);
2013         sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout;
2014
2015         tm_iocb = &sp->u.iocb_cmd;
2016         init_completion(&tm_iocb->u.tmf.comp);
2017         tm_iocb->u.tmf.flags = flags;
2018         tm_iocb->u.tmf.lun = lun;
2019
2020         ql_dbg(ql_dbg_taskm, vha, 0x802f,
2021             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
2022             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
2023             fcport->d_id.b.area, fcport->d_id.b.al_pa);
2024
2025         rval = qla2x00_start_sp(sp);
2026         if (rval != QLA_SUCCESS)
2027                 goto done_free_sp;
2028         wait_for_completion(&tm_iocb->u.tmf.comp);
2029
2030         rval = tm_iocb->u.tmf.data;
2031
2032         if (rval != QLA_SUCCESS) {
2033                 ql_log(ql_log_warn, vha, 0x8030,
2034                     "TM IOCB failed (%x).\n", rval);
2035         }
2036
2037         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
2038                 flags = tm_iocb->u.tmf.flags;
2039                 lun = (uint16_t)tm_iocb->u.tmf.lun;
2040
2041                 /* Issue Marker IOCB */
2042                 qla2x00_marker(vha, vha->hw->base_qpair,
2043                     fcport->loop_id, lun,
2044                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
2045         }
2046
2047 done_free_sp:
2048         /* ref: INIT */
2049         kref_put(&sp->cmd_kref, qla2x00_sp_release);
2050         fcport->flags &= ~FCF_ASYNC_SENT;
2051 done:
2052         return rval;
2053 }
2054
2055 int
2056 qla24xx_async_abort_command(srb_t *sp)
2057 {
2058         unsigned long   flags = 0;
2059
2060         uint32_t        handle;
2061         fc_port_t       *fcport = sp->fcport;
2062         struct qla_qpair *qpair = sp->qpair;
2063         struct scsi_qla_host *vha = fcport->vha;
2064         struct req_que *req = qpair->req;
2065
2066         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
2067         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
2068                 if (req->outstanding_cmds[handle] == sp)
2069                         break;
2070         }
2071         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
2072
2073         if (handle == req->num_outstanding_cmds) {
2074                 /* Command not found. */
2075                 return QLA_ERR_NOT_FOUND;
2076         }
2077         if (sp->type == SRB_FXIOCB_DCMD)
2078                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
2079                     FXDISC_ABORT_IOCTL);
2080
2081         return qla24xx_async_abort_cmd(sp, true);
2082 }
2083
2084 static void
2085 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
2086 {
2087         struct srb *sp;
2088         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
2089                   ea->data[0]);
2090
2091         switch (ea->data[0]) {
2092         case MBS_COMMAND_COMPLETE:
2093                 ql_dbg(ql_dbg_disc, vha, 0x2118,
2094                     "%s %d %8phC post gpdb\n",
2095                     __func__, __LINE__, ea->fcport->port_name);
2096
2097                 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2098                 ea->fcport->logout_on_delete = 1;
2099                 ea->fcport->nvme_prli_service_param = ea->iop[0];
2100                 if (ea->iop[0] & NVME_PRLI_SP_FIRST_BURST)
2101                         ea->fcport->nvme_first_burst_size =
2102                             (ea->iop[1] & 0xffff) * 512;
2103                 else
2104                         ea->fcport->nvme_first_burst_size = 0;
2105                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2106                 break;
2107         default:
2108                 sp = ea->sp;
2109                 ql_dbg(ql_dbg_disc, vha, 0x2118,
2110                        "%s %d %8phC priority %s, fc4type %x prev try %s\n",
2111                        __func__, __LINE__, ea->fcport->port_name,
2112                        vha->hw->fc4_type_priority == FC4_PRIORITY_FCP ?
2113                        "FCP" : "NVMe", ea->fcport->fc4_type,
2114                        (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI) ?
2115                         "NVME" : "FCP");
2116
2117                 if (NVME_FCP_TARGET(ea->fcport)) {
2118                         if (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI)
2119                                 ea->fcport->do_prli_nvme = 0;
2120                         else
2121                                 ea->fcport->do_prli_nvme = 1;
2122                 } else {
2123                         ea->fcport->do_prli_nvme = 0;
2124                 }
2125
2126                 if (N2N_TOPO(vha->hw)) {
2127                         if (ea->fcport->n2n_link_reset_cnt <
2128                             vha->hw->login_retry_count) {
2129                                 ea->fcport->n2n_link_reset_cnt++;
2130                                 vha->relogin_jif = jiffies + 2 * HZ;
2131                                 /*
2132                                  * PRLI failed. Reset link to kick start
2133                                  * state machine
2134                                  */
2135                                 set_bit(N2N_LINK_RESET, &vha->dpc_flags);
2136                                 qla2xxx_wake_dpc(vha);
2137                         } else {
2138                                 ql_log(ql_log_warn, vha, 0x2119,
2139                                        "%s %d %8phC Unable to reconnect\n",
2140                                        __func__, __LINE__,
2141                                        ea->fcport->port_name);
2142                         }
2143                 } else {
2144                         /*
2145                          * switch connect. login failed. Take connection down
2146                          * and allow relogin to retrigger
2147                          */
2148                         ea->fcport->flags &= ~FCF_ASYNC_SENT;
2149                         ea->fcport->keep_nport_handle = 0;
2150                         ea->fcport->logout_on_delete = 1;
2151                         qlt_schedule_sess_for_deletion(ea->fcport);
2152                 }
2153                 break;
2154         }
2155 }
2156
2157 void
2158 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
2159 {
2160         port_id_t cid;  /* conflict Nport id */
2161         u16 lid;
2162         struct fc_port *conflict_fcport;
2163         unsigned long flags;
2164         struct fc_port *fcport = ea->fcport;
2165
2166         ql_dbg(ql_dbg_disc, vha, 0xffff,
2167             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
2168             __func__, fcport->port_name, fcport->disc_state,
2169             fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
2170             ea->sp->gen1, fcport->rscn_gen,
2171             ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
2172
2173         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
2174             (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
2175                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
2176                     "%s %d %8phC Remote is trying to login\n",
2177                     __func__, __LINE__, fcport->port_name);
2178                 return;
2179         }
2180
2181         if ((fcport->disc_state == DSC_DELETE_PEND) ||
2182             (fcport->disc_state == DSC_DELETED)) {
2183                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2184                 return;
2185         }
2186
2187         if (ea->sp->gen2 != fcport->login_gen) {
2188                 /* target side must have changed it. */
2189                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
2190                     "%s %8phC generation changed\n",
2191                     __func__, fcport->port_name);
2192                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2193                 return;
2194         } else if (ea->sp->gen1 != fcport->rscn_gen) {
2195                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
2196                     "%s %8phC RSCN generation changed\n",
2197                     __func__, fcport->port_name);
2198                 qla_rscn_replay(fcport);
2199                 qlt_schedule_sess_for_deletion(fcport);
2200                 return;
2201         }
2202
2203         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
2204                   ea->data[0]);
2205
2206         switch (ea->data[0]) {
2207         case MBS_COMMAND_COMPLETE:
2208                 /*
2209                  * Driver must validate login state - If PRLI not complete,
2210                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
2211                  * requests.
2212                  */
2213                 if (vha->hw->flags.edif_enabled) {
2214                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2215                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2216                         ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2217                         ea->fcport->logout_on_delete = 1;
2218                         ea->fcport->send_els_logo = 0;
2219                         ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
2220                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2221
2222                         qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2223                 } else {
2224                         if (NVME_TARGET(vha->hw, fcport)) {
2225                                 ql_dbg(ql_dbg_disc, vha, 0x2117,
2226                                     "%s %d %8phC post prli\n",
2227                                     __func__, __LINE__, fcport->port_name);
2228                                 qla24xx_post_prli_work(vha, fcport);
2229                         } else {
2230                                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
2231                                     "%s %d %8phC LoopID 0x%x in use with %06x. post gpdb\n",
2232                                     __func__, __LINE__, fcport->port_name,
2233                                     fcport->loop_id, fcport->d_id.b24);
2234
2235                                 set_bit(fcport->loop_id, vha->hw->loop_id_map);
2236                                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2237                                 fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2238                                 fcport->logout_on_delete = 1;
2239                                 fcport->send_els_logo = 0;
2240                                 fcport->fw_login_state = DSC_LS_PRLI_COMP;
2241                                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2242
2243                                 qla24xx_post_gpdb_work(vha, fcport, 0);
2244                         }
2245                 }
2246                 break;
2247         case MBS_COMMAND_ERROR:
2248                 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
2249                     __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
2250
2251                 qlt_schedule_sess_for_deletion(ea->fcport);
2252                 break;
2253         case MBS_LOOP_ID_USED:
2254                 /* data[1] = IO PARAM 1 = nport ID  */
2255                 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
2256                 cid.b.area   = (ea->iop[1] >>  8) & 0xff;
2257                 cid.b.al_pa  = ea->iop[1] & 0xff;
2258                 cid.b.rsvd_1 = 0;
2259
2260                 ql_dbg(ql_dbg_disc, vha, 0x20ec,
2261                     "%s %d %8phC lid %#x in use with pid %06x post gnl\n",
2262                     __func__, __LINE__, ea->fcport->port_name,
2263                     ea->fcport->loop_id, cid.b24);
2264
2265                 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2266                 ea->fcport->loop_id = FC_NO_LOOP_ID;
2267                 qla24xx_post_gnl_work(vha, ea->fcport);
2268                 break;
2269         case MBS_PORT_ID_USED:
2270                 lid = ea->iop[1] & 0xffff;
2271                 qlt_find_sess_invalidate_other(vha,
2272                     wwn_to_u64(ea->fcport->port_name),
2273                     ea->fcport->d_id, lid, &conflict_fcport);
2274
2275                 if (conflict_fcport) {
2276                         /*
2277                          * Another fcport share the same loop_id/nport id.
2278                          * Conflict fcport needs to finish cleanup before this
2279                          * fcport can proceed to login.
2280                          */
2281                         conflict_fcport->conflict = ea->fcport;
2282                         ea->fcport->login_pause = 1;
2283
2284                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2285                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
2286                             __func__, __LINE__, ea->fcport->port_name,
2287                             ea->fcport->d_id.b24, lid);
2288                 } else {
2289                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2290                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
2291                             __func__, __LINE__, ea->fcport->port_name,
2292                             ea->fcport->d_id.b24, lid);
2293
2294                         qla2x00_clear_loop_id(ea->fcport);
2295                         set_bit(lid, vha->hw->loop_id_map);
2296                         ea->fcport->loop_id = lid;
2297                         ea->fcport->keep_nport_handle = 0;
2298                         ea->fcport->logout_on_delete = 1;
2299                         qlt_schedule_sess_for_deletion(ea->fcport);
2300                 }
2301                 break;
2302         }
2303         return;
2304 }
2305
2306 /****************************************************************************/
2307 /*                QLogic ISP2x00 Hardware Support Functions.                */
2308 /****************************************************************************/
2309
2310 static int
2311 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
2312 {
2313         int rval = QLA_SUCCESS;
2314         struct qla_hw_data *ha = vha->hw;
2315         uint32_t idc_major_ver, idc_minor_ver;
2316         uint16_t config[4];
2317
2318         qla83xx_idc_lock(vha, 0);
2319
2320         /* SV: TODO: Assign initialization timeout from
2321          * flash-info / other param
2322          */
2323         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
2324         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
2325
2326         /* Set our fcoe function presence */
2327         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
2328                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
2329                     "Error while setting DRV-Presence.\n");
2330                 rval = QLA_FUNCTION_FAILED;
2331                 goto exit;
2332         }
2333
2334         /* Decide the reset ownership */
2335         qla83xx_reset_ownership(vha);
2336
2337         /*
2338          * On first protocol driver load:
2339          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
2340          * register.
2341          * Others: Check compatibility with current IDC Major version.
2342          */
2343         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
2344         if (ha->flags.nic_core_reset_owner) {
2345                 /* Set IDC Major version */
2346                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
2347                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
2348
2349                 /* Clearing IDC-Lock-Recovery register */
2350                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
2351         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
2352                 /*
2353                  * Clear further IDC participation if we are not compatible with
2354                  * the current IDC Major Version.
2355                  */
2356                 ql_log(ql_log_warn, vha, 0xb07d,
2357                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
2358                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
2359                 __qla83xx_clear_drv_presence(vha);
2360                 rval = QLA_FUNCTION_FAILED;
2361                 goto exit;
2362         }
2363         /* Each function sets its supported Minor version. */
2364         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
2365         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
2366         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
2367
2368         if (ha->flags.nic_core_reset_owner) {
2369                 memset(config, 0, sizeof(config));
2370                 if (!qla81xx_get_port_config(vha, config))
2371                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
2372                             QLA8XXX_DEV_READY);
2373         }
2374
2375         rval = qla83xx_idc_state_handler(vha);
2376
2377 exit:
2378         qla83xx_idc_unlock(vha, 0);
2379
2380         return rval;
2381 }
2382
2383 /*
2384 * qla2x00_initialize_adapter
2385 *      Initialize board.
2386 *
2387 * Input:
2388 *      ha = adapter block pointer.
2389 *
2390 * Returns:
2391 *      0 = success
2392 */
2393 int
2394 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
2395 {
2396         int     rval;
2397         struct qla_hw_data *ha = vha->hw;
2398         struct req_que *req = ha->req_q_map[0];
2399         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2400
2401         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2402         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2403
2404         /* Clear adapter flags. */
2405         vha->flags.online = 0;
2406         ha->flags.chip_reset_done = 0;
2407         vha->flags.reset_active = 0;
2408         ha->flags.pci_channel_io_perm_failure = 0;
2409         ha->flags.eeh_busy = 0;
2410         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2411         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2412         atomic_set(&vha->loop_state, LOOP_DOWN);
2413         vha->device_flags = DFLG_NO_CABLE;
2414         vha->dpc_flags = 0;
2415         vha->flags.management_server_logged_in = 0;
2416         vha->marker_needed = 0;
2417         ha->isp_abort_cnt = 0;
2418         ha->beacon_blink_led = 0;
2419
2420         set_bit(0, ha->req_qid_map);
2421         set_bit(0, ha->rsp_qid_map);
2422
2423         ql_dbg(ql_dbg_init, vha, 0x0040,
2424             "Configuring PCI space...\n");
2425         rval = ha->isp_ops->pci_config(vha);
2426         if (rval) {
2427                 ql_log(ql_log_warn, vha, 0x0044,
2428                     "Unable to configure PCI space.\n");
2429                 return (rval);
2430         }
2431
2432         ha->isp_ops->reset_chip(vha);
2433
2434         /* Check for secure flash support */
2435         if (IS_QLA28XX(ha)) {
2436                 if (rd_reg_word(&reg->mailbox12) & BIT_0)
2437                         ha->flags.secure_adapter = 1;
2438                 ql_log(ql_log_info, vha, 0xffff, "Secure Adapter: %s\n",
2439                     (ha->flags.secure_adapter) ? "Yes" : "No");
2440         }
2441
2442
2443         rval = qla2xxx_get_flash_info(vha);
2444         if (rval) {
2445                 ql_log(ql_log_fatal, vha, 0x004f,
2446                     "Unable to validate FLASH data.\n");
2447                 return rval;
2448         }
2449
2450         if (IS_QLA8044(ha)) {
2451                 qla8044_read_reset_template(vha);
2452
2453                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
2454                  * If DONRESET_BIT0 is set, drivers should not set dev_state
2455                  * to NEED_RESET. But if NEED_RESET is set, drivers should
2456                  * should honor the reset. */
2457                 if (ql2xdontresethba == 1)
2458                         qla8044_set_idc_dontreset(vha);
2459         }
2460
2461         ha->isp_ops->get_flash_version(vha, req->ring);
2462         ql_dbg(ql_dbg_init, vha, 0x0061,
2463             "Configure NVRAM parameters...\n");
2464
2465         /* Let priority default to FCP, can be overridden by nvram_config */
2466         ha->fc4_type_priority = FC4_PRIORITY_FCP;
2467
2468         ha->isp_ops->nvram_config(vha);
2469
2470         if (ha->fc4_type_priority != FC4_PRIORITY_FCP &&
2471             ha->fc4_type_priority != FC4_PRIORITY_NVME)
2472                 ha->fc4_type_priority = FC4_PRIORITY_FCP;
2473
2474         ql_log(ql_log_info, vha, 0xffff, "FC4 priority set to %s\n",
2475                ha->fc4_type_priority == FC4_PRIORITY_FCP ? "FCP" : "NVMe");
2476
2477         if (ha->flags.disable_serdes) {
2478                 /* Mask HBA via NVRAM settings? */
2479                 ql_log(ql_log_info, vha, 0x0077,
2480                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
2481                 return QLA_FUNCTION_FAILED;
2482         }
2483
2484         ql_dbg(ql_dbg_init, vha, 0x0078,
2485             "Verifying loaded RISC code...\n");
2486
2487         /* If smartsan enabled then require fdmi and rdp enabled */
2488         if (ql2xsmartsan) {
2489                 ql2xfdmienable = 1;
2490                 ql2xrdpenable = 1;
2491         }
2492
2493         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
2494                 rval = ha->isp_ops->chip_diag(vha);
2495                 if (rval)
2496                         return (rval);
2497                 rval = qla2x00_setup_chip(vha);
2498                 if (rval)
2499                         return (rval);
2500         }
2501
2502         if (IS_QLA84XX(ha)) {
2503                 ha->cs84xx = qla84xx_get_chip(vha);
2504                 if (!ha->cs84xx) {
2505                         ql_log(ql_log_warn, vha, 0x00d0,
2506                             "Unable to configure ISP84XX.\n");
2507                         return QLA_FUNCTION_FAILED;
2508                 }
2509         }
2510
2511         if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2512                 rval = qla2x00_init_rings(vha);
2513
2514         /* No point in continuing if firmware initialization failed. */
2515         if (rval != QLA_SUCCESS)
2516                 return rval;
2517
2518         ha->flags.chip_reset_done = 1;
2519
2520         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2521                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
2522                 rval = qla84xx_init_chip(vha);
2523                 if (rval != QLA_SUCCESS) {
2524                         ql_log(ql_log_warn, vha, 0x00d4,
2525                             "Unable to initialize ISP84XX.\n");
2526                         qla84xx_put_chip(vha);
2527                 }
2528         }
2529
2530         /* Load the NIC Core f/w if we are the first protocol driver. */
2531         if (IS_QLA8031(ha)) {
2532                 rval = qla83xx_nic_core_fw_load(vha);
2533                 if (rval)
2534                         ql_log(ql_log_warn, vha, 0x0124,
2535                             "Error in initializing NIC Core f/w.\n");
2536         }
2537
2538         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
2539                 qla24xx_read_fcp_prio_cfg(vha);
2540
2541         if (IS_P3P_TYPE(ha))
2542                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
2543         else
2544                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
2545
2546         return (rval);
2547 }
2548
2549 /**
2550  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2551  * @vha: HA context
2552  *
2553  * Returns 0 on success.
2554  */
2555 int
2556 qla2100_pci_config(scsi_qla_host_t *vha)
2557 {
2558         uint16_t w;
2559         unsigned long flags;
2560         struct qla_hw_data *ha = vha->hw;
2561         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2562
2563         pci_set_master(ha->pdev);
2564         pci_try_set_mwi(ha->pdev);
2565
2566         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2567         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2568         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2569
2570         pci_disable_rom(ha->pdev);
2571
2572         /* Get PCI bus information. */
2573         spin_lock_irqsave(&ha->hardware_lock, flags);
2574         ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2575         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2576
2577         return QLA_SUCCESS;
2578 }
2579
2580 /**
2581  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2582  * @vha: HA context
2583  *
2584  * Returns 0 on success.
2585  */
2586 int
2587 qla2300_pci_config(scsi_qla_host_t *vha)
2588 {
2589         uint16_t        w;
2590         unsigned long   flags = 0;
2591         uint32_t        cnt;
2592         struct qla_hw_data *ha = vha->hw;
2593         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2594
2595         pci_set_master(ha->pdev);
2596         pci_try_set_mwi(ha->pdev);
2597
2598         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2599         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2600
2601         if (IS_QLA2322(ha) || IS_QLA6322(ha))
2602                 w &= ~PCI_COMMAND_INTX_DISABLE;
2603         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2604
2605         /*
2606          * If this is a 2300 card and not 2312, reset the
2607          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
2608          * the 2310 also reports itself as a 2300 so we need to get the
2609          * fb revision level -- a 6 indicates it really is a 2300 and
2610          * not a 2310.
2611          */
2612         if (IS_QLA2300(ha)) {
2613                 spin_lock_irqsave(&ha->hardware_lock, flags);
2614
2615                 /* Pause RISC. */
2616                 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2617                 for (cnt = 0; cnt < 30000; cnt++) {
2618                         if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2619                                 break;
2620
2621                         udelay(10);
2622                 }
2623
2624                 /* Select FPM registers. */
2625                 wrt_reg_word(&reg->ctrl_status, 0x20);
2626                 rd_reg_word(&reg->ctrl_status);
2627
2628                 /* Get the fb rev level */
2629                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2630
2631                 if (ha->fb_rev == FPM_2300)
2632                         pci_clear_mwi(ha->pdev);
2633
2634                 /* Deselect FPM registers. */
2635                 wrt_reg_word(&reg->ctrl_status, 0x0);
2636                 rd_reg_word(&reg->ctrl_status);
2637
2638                 /* Release RISC module. */
2639                 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2640                 for (cnt = 0; cnt < 30000; cnt++) {
2641                         if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2642                                 break;
2643
2644                         udelay(10);
2645                 }
2646
2647                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2648         }
2649
2650         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2651
2652         pci_disable_rom(ha->pdev);
2653
2654         /* Get PCI bus information. */
2655         spin_lock_irqsave(&ha->hardware_lock, flags);
2656         ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2657         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2658
2659         return QLA_SUCCESS;
2660 }
2661
2662 /**
2663  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2664  * @vha: HA context
2665  *
2666  * Returns 0 on success.
2667  */
2668 int
2669 qla24xx_pci_config(scsi_qla_host_t *vha)
2670 {
2671         uint16_t w;
2672         unsigned long flags = 0;
2673         struct qla_hw_data *ha = vha->hw;
2674         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2675
2676         pci_set_master(ha->pdev);
2677         pci_try_set_mwi(ha->pdev);
2678
2679         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2680         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2681         w &= ~PCI_COMMAND_INTX_DISABLE;
2682         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2683
2684         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2685
2686         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
2687         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
2688                 pcix_set_mmrbc(ha->pdev, 2048);
2689
2690         /* PCIe -- adjust Maximum Read Request Size (2048). */
2691         if (pci_is_pcie(ha->pdev))
2692                 pcie_set_readrq(ha->pdev, 4096);
2693
2694         pci_disable_rom(ha->pdev);
2695
2696         ha->chip_revision = ha->pdev->revision;
2697
2698         /* Get PCI bus information. */
2699         spin_lock_irqsave(&ha->hardware_lock, flags);
2700         ha->pci_attr = rd_reg_dword(&reg->ctrl_status);
2701         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2702
2703         return QLA_SUCCESS;
2704 }
2705
2706 /**
2707  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
2708  * @vha: HA context
2709  *
2710  * Returns 0 on success.
2711  */
2712 int
2713 qla25xx_pci_config(scsi_qla_host_t *vha)
2714 {
2715         uint16_t w;
2716         struct qla_hw_data *ha = vha->hw;
2717
2718         pci_set_master(ha->pdev);
2719         pci_try_set_mwi(ha->pdev);
2720
2721         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2722         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2723         w &= ~PCI_COMMAND_INTX_DISABLE;
2724         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2725
2726         /* PCIe -- adjust Maximum Read Request Size (2048). */
2727         if (pci_is_pcie(ha->pdev))
2728                 pcie_set_readrq(ha->pdev, 4096);
2729
2730         pci_disable_rom(ha->pdev);
2731
2732         ha->chip_revision = ha->pdev->revision;
2733
2734         return QLA_SUCCESS;
2735 }
2736
2737 /**
2738  * qla2x00_isp_firmware() - Choose firmware image.
2739  * @vha: HA context
2740  *
2741  * Returns 0 on success.
2742  */
2743 static int
2744 qla2x00_isp_firmware(scsi_qla_host_t *vha)
2745 {
2746         int  rval;
2747         uint16_t loop_id, topo, sw_cap;
2748         uint8_t domain, area, al_pa;
2749         struct qla_hw_data *ha = vha->hw;
2750
2751         /* Assume loading risc code */
2752         rval = QLA_FUNCTION_FAILED;
2753
2754         if (ha->flags.disable_risc_code_load) {
2755                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
2756
2757                 /* Verify checksum of loaded RISC code. */
2758                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
2759                 if (rval == QLA_SUCCESS) {
2760                         /* And, verify we are not in ROM code. */
2761                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2762                             &area, &domain, &topo, &sw_cap);
2763                 }
2764         }
2765
2766         if (rval)
2767                 ql_dbg(ql_dbg_init, vha, 0x007a,
2768                     "**** Load RISC code ****.\n");
2769
2770         return (rval);
2771 }
2772
2773 /**
2774  * qla2x00_reset_chip() - Reset ISP chip.
2775  * @vha: HA context
2776  *
2777  * Returns 0 on success.
2778  */
2779 int
2780 qla2x00_reset_chip(scsi_qla_host_t *vha)
2781 {
2782         unsigned long   flags = 0;
2783         struct qla_hw_data *ha = vha->hw;
2784         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2785         uint32_t        cnt;
2786         uint16_t        cmd;
2787         int rval = QLA_FUNCTION_FAILED;
2788
2789         if (unlikely(pci_channel_offline(ha->pdev)))
2790                 return rval;
2791
2792         ha->isp_ops->disable_intrs(ha);
2793
2794         spin_lock_irqsave(&ha->hardware_lock, flags);
2795
2796         /* Turn off master enable */
2797         cmd = 0;
2798         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
2799         cmd &= ~PCI_COMMAND_MASTER;
2800         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2801
2802         if (!IS_QLA2100(ha)) {
2803                 /* Pause RISC. */
2804                 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2805                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
2806                         for (cnt = 0; cnt < 30000; cnt++) {
2807                                 if ((rd_reg_word(&reg->hccr) &
2808                                     HCCR_RISC_PAUSE) != 0)
2809                                         break;
2810                                 udelay(100);
2811                         }
2812                 } else {
2813                         rd_reg_word(&reg->hccr);        /* PCI Posting. */
2814                         udelay(10);
2815                 }
2816
2817                 /* Select FPM registers. */
2818                 wrt_reg_word(&reg->ctrl_status, 0x20);
2819                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2820
2821                 /* FPM Soft Reset. */
2822                 wrt_reg_word(&reg->fpm_diag_config, 0x100);
2823                 rd_reg_word(&reg->fpm_diag_config);     /* PCI Posting. */
2824
2825                 /* Toggle Fpm Reset. */
2826                 if (!IS_QLA2200(ha)) {
2827                         wrt_reg_word(&reg->fpm_diag_config, 0x0);
2828                         rd_reg_word(&reg->fpm_diag_config); /* PCI Posting. */
2829                 }
2830
2831                 /* Select frame buffer registers. */
2832                 wrt_reg_word(&reg->ctrl_status, 0x10);
2833                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2834
2835                 /* Reset frame buffer FIFOs. */
2836                 if (IS_QLA2200(ha)) {
2837                         WRT_FB_CMD_REG(ha, reg, 0xa000);
2838                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
2839                 } else {
2840                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
2841
2842                         /* Read back fb_cmd until zero or 3 seconds max */
2843                         for (cnt = 0; cnt < 3000; cnt++) {
2844                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
2845                                         break;
2846                                 udelay(100);
2847                         }
2848                 }
2849
2850                 /* Select RISC module registers. */
2851                 wrt_reg_word(&reg->ctrl_status, 0);
2852                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2853
2854                 /* Reset RISC processor. */
2855                 wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
2856                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2857
2858                 /* Release RISC processor. */
2859                 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2860                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2861         }
2862
2863         wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
2864         wrt_reg_word(&reg->hccr, HCCR_CLR_HOST_INT);
2865
2866         /* Reset ISP chip. */
2867         wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2868
2869         /* Wait for RISC to recover from reset. */
2870         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2871                 /*
2872                  * It is necessary to for a delay here since the card doesn't
2873                  * respond to PCI reads during a reset. On some architectures
2874                  * this will result in an MCA.
2875                  */
2876                 udelay(20);
2877                 for (cnt = 30000; cnt; cnt--) {
2878                         if ((rd_reg_word(&reg->ctrl_status) &
2879                             CSR_ISP_SOFT_RESET) == 0)
2880                                 break;
2881                         udelay(100);
2882                 }
2883         } else
2884                 udelay(10);
2885
2886         /* Reset RISC processor. */
2887         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
2888
2889         wrt_reg_word(&reg->semaphore, 0);
2890
2891         /* Release RISC processor. */
2892         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2893         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
2894
2895         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2896                 for (cnt = 0; cnt < 30000; cnt++) {
2897                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
2898                                 break;
2899
2900                         udelay(100);
2901                 }
2902         } else
2903                 udelay(100);
2904
2905         /* Turn on master enable */
2906         cmd |= PCI_COMMAND_MASTER;
2907         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2908
2909         /* Disable RISC pause on FPM parity error. */
2910         if (!IS_QLA2100(ha)) {
2911                 wrt_reg_word(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
2912                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2913         }
2914
2915         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2916
2917         return QLA_SUCCESS;
2918 }
2919
2920 /**
2921  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2922  * @vha: HA context
2923  *
2924  * Returns 0 on success.
2925  */
2926 static int
2927 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2928 {
2929         uint16_t mb[4] = {0x1010, 0, 1, 0};
2930
2931         if (!IS_QLA81XX(vha->hw))
2932                 return QLA_SUCCESS;
2933
2934         return qla81xx_write_mpi_register(vha, mb);
2935 }
2936
2937 static int
2938 qla_chk_risc_recovery(scsi_qla_host_t *vha)
2939 {
2940         struct qla_hw_data *ha = vha->hw;
2941         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2942         __le16 __iomem *mbptr = &reg->mailbox0;
2943         int i;
2944         u16 mb[32];
2945         int rc = QLA_SUCCESS;
2946
2947         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
2948                 return rc;
2949
2950         /* this check is only valid after RISC reset */
2951         mb[0] = rd_reg_word(mbptr);
2952         mbptr++;
2953         if (mb[0] == 0xf) {
2954                 rc = QLA_FUNCTION_FAILED;
2955
2956                 for (i = 1; i < 32; i++) {
2957                         mb[i] = rd_reg_word(mbptr);
2958                         mbptr++;
2959                 }
2960
2961                 ql_log(ql_log_warn, vha, 0x1015,
2962                        "RISC reset failed. mb[0-7] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
2963                        mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6], mb[7]);
2964                 ql_log(ql_log_warn, vha, 0x1015,
2965                        "RISC reset failed. mb[8-15] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
2966                        mb[8], mb[9], mb[10], mb[11], mb[12], mb[13], mb[14],
2967                        mb[15]);
2968                 ql_log(ql_log_warn, vha, 0x1015,
2969                        "RISC reset failed. mb[16-23] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
2970                        mb[16], mb[17], mb[18], mb[19], mb[20], mb[21], mb[22],
2971                        mb[23]);
2972                 ql_log(ql_log_warn, vha, 0x1015,
2973                        "RISC reset failed. mb[24-31] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
2974                        mb[24], mb[25], mb[26], mb[27], mb[28], mb[29], mb[30],
2975                        mb[31]);
2976         }
2977         return rc;
2978 }
2979
2980 /**
2981  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2982  * @vha: HA context
2983  *
2984  * Returns 0 on success.
2985  */
2986 static inline int
2987 qla24xx_reset_risc(scsi_qla_host_t *vha)
2988 {
2989         unsigned long flags = 0;
2990         struct qla_hw_data *ha = vha->hw;
2991         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2992         uint32_t cnt;
2993         uint16_t wd;
2994         static int abts_cnt; /* ISP abort retry counts */
2995         int rval = QLA_SUCCESS;
2996         int print = 1;
2997
2998         spin_lock_irqsave(&ha->hardware_lock, flags);
2999
3000         /* Reset RISC. */
3001         wrt_reg_dword(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
3002         for (cnt = 0; cnt < 30000; cnt++) {
3003                 if ((rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
3004                         break;
3005
3006                 udelay(10);
3007         }
3008
3009         if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
3010                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
3011
3012         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
3013             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
3014             rd_reg_dword(&reg->hccr),
3015             rd_reg_dword(&reg->ctrl_status),
3016             (rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
3017
3018         wrt_reg_dword(&reg->ctrl_status,
3019             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
3020         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
3021
3022         udelay(100);
3023
3024         /* Wait for firmware to complete NVRAM accesses. */
3025         rd_reg_word(&reg->mailbox0);
3026         for (cnt = 10000; rd_reg_word(&reg->mailbox0) != 0 &&
3027             rval == QLA_SUCCESS; cnt--) {
3028                 barrier();
3029                 if (cnt)
3030                         udelay(5);
3031                 else
3032                         rval = QLA_FUNCTION_TIMEOUT;
3033         }
3034
3035         if (rval == QLA_SUCCESS)
3036                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
3037
3038         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
3039             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
3040             rd_reg_dword(&reg->hccr),
3041             rd_reg_word(&reg->mailbox0));
3042
3043         /* Wait for soft-reset to complete. */
3044         rd_reg_dword(&reg->ctrl_status);
3045         for (cnt = 0; cnt < 60; cnt++) {
3046                 barrier();
3047                 if ((rd_reg_dword(&reg->ctrl_status) &
3048                     CSRX_ISP_SOFT_RESET) == 0)
3049                         break;
3050
3051                 udelay(5);
3052         }
3053         if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
3054                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
3055
3056         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
3057             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
3058             rd_reg_dword(&reg->hccr),
3059             rd_reg_dword(&reg->ctrl_status));
3060
3061         /* If required, do an MPI FW reset now */
3062         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
3063                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
3064                         if (++abts_cnt < 5) {
3065                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3066                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
3067                         } else {
3068                                 /*
3069                                  * We exhausted the ISP abort retries. We have to
3070                                  * set the board offline.
3071                                  */
3072                                 abts_cnt = 0;
3073                                 vha->flags.online = 0;
3074                         }
3075                 }
3076         }
3077
3078         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
3079         rd_reg_dword(&reg->hccr);
3080
3081         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3082         rd_reg_dword(&reg->hccr);
3083
3084         wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_RESET);
3085         mdelay(10);
3086         rd_reg_dword(&reg->hccr);
3087
3088         wd = rd_reg_word(&reg->mailbox0);
3089         for (cnt = 300; wd != 0 && rval == QLA_SUCCESS; cnt--) {
3090                 barrier();
3091                 if (cnt) {
3092                         mdelay(1);
3093                         if (print && qla_chk_risc_recovery(vha))
3094                                 print = 0;
3095
3096                         wd = rd_reg_word(&reg->mailbox0);
3097                 } else {
3098                         rval = QLA_FUNCTION_TIMEOUT;
3099
3100                         ql_log(ql_log_warn, vha, 0x015e,
3101                                "RISC reset timeout\n");
3102                 }
3103         }
3104
3105         if (rval == QLA_SUCCESS)
3106                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
3107
3108         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
3109             "Host Risc 0x%x, mailbox0 0x%x\n",
3110             rd_reg_dword(&reg->hccr),
3111              rd_reg_word(&reg->mailbox0));
3112
3113         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3114
3115         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
3116             "Driver in %s mode\n",
3117             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
3118
3119         if (IS_NOPOLLING_TYPE(ha))
3120                 ha->isp_ops->enable_intrs(ha);
3121
3122         return rval;
3123 }
3124
3125 static void
3126 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
3127 {
3128         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
3129
3130         wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
3131         *data = rd_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET);
3132 }
3133
3134 static void
3135 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
3136 {
3137         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
3138
3139         wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
3140         wrt_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET, data);
3141 }
3142
3143 static void
3144 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
3145 {
3146         uint32_t wd32 = 0;
3147         uint delta_msec = 100;
3148         uint elapsed_msec = 0;
3149         uint timeout_msec;
3150         ulong n;
3151
3152         if (vha->hw->pdev->subsystem_device != 0x0175 &&
3153             vha->hw->pdev->subsystem_device != 0x0240)
3154                 return;
3155
3156         wrt_reg_dword(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
3157         udelay(100);
3158
3159 attempt:
3160         timeout_msec = TIMEOUT_SEMAPHORE;
3161         n = timeout_msec / delta_msec;
3162         while (n--) {
3163                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
3164                 qla25xx_read_risc_sema_reg(vha, &wd32);
3165                 if (wd32 & RISC_SEMAPHORE)
3166                         break;
3167                 msleep(delta_msec);
3168                 elapsed_msec += delta_msec;
3169                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
3170                         goto force;
3171         }
3172
3173         if (!(wd32 & RISC_SEMAPHORE))
3174                 goto force;
3175
3176         if (!(wd32 & RISC_SEMAPHORE_FORCE))
3177                 goto acquired;
3178
3179         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
3180         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
3181         n = timeout_msec / delta_msec;
3182         while (n--) {
3183                 qla25xx_read_risc_sema_reg(vha, &wd32);
3184                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
3185                         break;
3186                 msleep(delta_msec);
3187                 elapsed_msec += delta_msec;
3188                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
3189                         goto force;
3190         }
3191
3192         if (wd32 & RISC_SEMAPHORE_FORCE)
3193                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
3194
3195         goto attempt;
3196
3197 force:
3198         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
3199
3200 acquired:
3201         return;
3202 }
3203
3204 /**
3205  * qla24xx_reset_chip() - Reset ISP24xx chip.
3206  * @vha: HA context
3207  *
3208  * Returns 0 on success.
3209  */
3210 int
3211 qla24xx_reset_chip(scsi_qla_host_t *vha)
3212 {
3213         struct qla_hw_data *ha = vha->hw;
3214         int rval = QLA_FUNCTION_FAILED;
3215
3216         if (pci_channel_offline(ha->pdev) &&
3217             ha->flags.pci_channel_io_perm_failure) {
3218                 return rval;
3219         }
3220
3221         ha->isp_ops->disable_intrs(ha);
3222
3223         qla25xx_manipulate_risc_semaphore(vha);
3224
3225         /* Perform RISC reset. */
3226         rval = qla24xx_reset_risc(vha);
3227
3228         return rval;
3229 }
3230
3231 /**
3232  * qla2x00_chip_diag() - Test chip for proper operation.
3233  * @vha: HA context
3234  *
3235  * Returns 0 on success.
3236  */
3237 int
3238 qla2x00_chip_diag(scsi_qla_host_t *vha)
3239 {
3240         int             rval;
3241         struct qla_hw_data *ha = vha->hw;
3242         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3243         unsigned long   flags = 0;
3244         uint16_t        data;
3245         uint32_t        cnt;
3246         uint16_t        mb[5];
3247         struct req_que *req = ha->req_q_map[0];
3248
3249         /* Assume a failed state */
3250         rval = QLA_FUNCTION_FAILED;
3251
3252         ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
3253                &reg->flash_address);
3254
3255         spin_lock_irqsave(&ha->hardware_lock, flags);
3256
3257         /* Reset ISP chip. */
3258         wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
3259
3260         /*
3261          * We need to have a delay here since the card will not respond while
3262          * in reset causing an MCA on some architectures.
3263          */
3264         udelay(20);
3265         data = qla2x00_debounce_register(&reg->ctrl_status);
3266         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
3267                 udelay(5);
3268                 data = rd_reg_word(&reg->ctrl_status);
3269                 barrier();
3270         }
3271
3272         if (!cnt)
3273                 goto chip_diag_failed;
3274
3275         ql_dbg(ql_dbg_init, vha, 0x007c,
3276             "Reset register cleared by chip reset.\n");
3277
3278         /* Reset RISC processor. */
3279         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
3280         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
3281
3282         /* Workaround for QLA2312 PCI parity error */
3283         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
3284                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
3285                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
3286                         udelay(5);
3287                         data = RD_MAILBOX_REG(ha, reg, 0);
3288                         barrier();
3289                 }
3290         } else
3291                 udelay(10);
3292
3293         if (!cnt)
3294                 goto chip_diag_failed;
3295
3296         /* Check product ID of chip */
3297         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
3298
3299         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
3300         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
3301         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
3302         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
3303         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
3304             mb[3] != PROD_ID_3) {
3305                 ql_log(ql_log_warn, vha, 0x0062,
3306                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
3307                     mb[1], mb[2], mb[3]);
3308
3309                 goto chip_diag_failed;
3310         }
3311         ha->product_id[0] = mb[1];
3312         ha->product_id[1] = mb[2];
3313         ha->product_id[2] = mb[3];
3314         ha->product_id[3] = mb[4];
3315
3316         /* Adjust fw RISC transfer size */
3317         if (req->length > 1024)
3318                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
3319         else
3320                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
3321                     req->length;
3322
3323         if (IS_QLA2200(ha) &&
3324             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
3325                 /* Limit firmware transfer size with a 2200A */
3326                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
3327
3328                 ha->device_type |= DT_ISP2200A;
3329                 ha->fw_transfer_size = 128;
3330         }
3331
3332         /* Wrap Incoming Mailboxes Test. */
3333         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3334
3335         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
3336         rval = qla2x00_mbx_reg_test(vha);
3337         if (rval)
3338                 ql_log(ql_log_warn, vha, 0x0080,
3339                     "Failed mailbox send register test.\n");
3340         else
3341                 /* Flag a successful rval */
3342                 rval = QLA_SUCCESS;
3343         spin_lock_irqsave(&ha->hardware_lock, flags);
3344
3345 chip_diag_failed:
3346         if (rval)
3347                 ql_log(ql_log_info, vha, 0x0081,
3348                     "Chip diagnostics **** FAILED ****.\n");
3349
3350         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3351
3352         return (rval);
3353 }
3354
3355 /**
3356  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
3357  * @vha: HA context
3358  *
3359  * Returns 0 on success.
3360  */
3361 int
3362 qla24xx_chip_diag(scsi_qla_host_t *vha)
3363 {
3364         int rval;
3365         struct qla_hw_data *ha = vha->hw;
3366         struct req_que *req = ha->req_q_map[0];
3367
3368         if (IS_P3P_TYPE(ha))
3369                 return QLA_SUCCESS;
3370
3371         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
3372
3373         rval = qla2x00_mbx_reg_test(vha);
3374         if (rval) {
3375                 ql_log(ql_log_warn, vha, 0x0082,
3376                     "Failed mailbox send register test.\n");
3377         } else {
3378                 /* Flag a successful rval */
3379                 rval = QLA_SUCCESS;
3380         }
3381
3382         return rval;
3383 }
3384
3385 static void
3386 qla2x00_init_fce_trace(scsi_qla_host_t *vha)
3387 {
3388         int rval;
3389         dma_addr_t tc_dma;
3390         void *tc;
3391         struct qla_hw_data *ha = vha->hw;
3392
3393         if (!IS_FWI2_CAPABLE(ha))
3394                 return;
3395
3396         if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3397             !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3398                 return;
3399
3400         if (ha->fce) {
3401                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3402                        "%s: FCE Mem is already allocated.\n",
3403                        __func__);
3404                 return;
3405         }
3406
3407         /* Allocate memory for Fibre Channel Event Buffer. */
3408         tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
3409                                 GFP_KERNEL);
3410         if (!tc) {
3411                 ql_log(ql_log_warn, vha, 0x00be,
3412                        "Unable to allocate (%d KB) for FCE.\n",
3413                        FCE_SIZE / 1024);
3414                 return;
3415         }
3416
3417         rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
3418                                         ha->fce_mb, &ha->fce_bufs);
3419         if (rval) {
3420                 ql_log(ql_log_warn, vha, 0x00bf,
3421                        "Unable to initialize FCE (%d).\n", rval);
3422                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, tc_dma);
3423                 return;
3424         }
3425
3426         ql_dbg(ql_dbg_init, vha, 0x00c0,
3427                "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
3428
3429         ha->flags.fce_enabled = 1;
3430         ha->fce_dma = tc_dma;
3431         ha->fce = tc;
3432 }
3433
3434 static void
3435 qla2x00_init_eft_trace(scsi_qla_host_t *vha)
3436 {
3437         int rval;
3438         dma_addr_t tc_dma;
3439         void *tc;
3440         struct qla_hw_data *ha = vha->hw;
3441
3442         if (!IS_FWI2_CAPABLE(ha))
3443                 return;
3444
3445         if (ha->eft) {
3446                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3447                     "%s: EFT Mem is already allocated.\n",
3448                     __func__);
3449                 return;
3450         }
3451
3452         /* Allocate memory for Extended Trace Buffer. */
3453         tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
3454                                 GFP_KERNEL);
3455         if (!tc) {
3456                 ql_log(ql_log_warn, vha, 0x00c1,
3457                        "Unable to allocate (%d KB) for EFT.\n",
3458                        EFT_SIZE / 1024);
3459                 return;
3460         }
3461
3462         rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
3463         if (rval) {
3464                 ql_log(ql_log_warn, vha, 0x00c2,
3465                        "Unable to initialize EFT (%d).\n", rval);
3466                 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, tc_dma);
3467                 return;
3468         }
3469
3470         ql_dbg(ql_dbg_init, vha, 0x00c3,
3471                "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3472
3473         ha->eft_dma = tc_dma;
3474         ha->eft = tc;
3475 }
3476
3477 static void
3478 qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
3479 {
3480         qla2x00_init_fce_trace(vha);
3481         qla2x00_init_eft_trace(vha);
3482 }
3483
3484 void
3485 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
3486 {
3487         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
3488             eft_size, fce_size, mq_size;
3489         struct qla_hw_data *ha = vha->hw;
3490         struct req_que *req = ha->req_q_map[0];
3491         struct rsp_que *rsp = ha->rsp_q_map[0];
3492         struct qla2xxx_fw_dump *fw_dump;
3493
3494         if (ha->fw_dump) {
3495                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3496                     "Firmware dump already allocated.\n");
3497                 return;
3498         }
3499
3500         ha->fw_dumped = 0;
3501         ha->fw_dump_cap_flags = 0;
3502         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
3503         req_q_size = rsp_q_size = 0;
3504
3505         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3506                 fixed_size = sizeof(struct qla2100_fw_dump);
3507         } else if (IS_QLA23XX(ha)) {
3508                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
3509                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
3510                     sizeof(uint16_t);
3511         } else if (IS_FWI2_CAPABLE(ha)) {
3512                 if (IS_QLA83XX(ha))
3513                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
3514                 else if (IS_QLA81XX(ha))
3515                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
3516                 else if (IS_QLA25XX(ha))
3517                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
3518                 else
3519                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
3520
3521                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
3522                     sizeof(uint32_t);
3523                 if (ha->mqenable) {
3524                         if (!IS_QLA83XX(ha))
3525                                 mq_size = sizeof(struct qla2xxx_mq_chain);
3526                         /*
3527                          * Allocate maximum buffer size for all queues - Q0.
3528                          * Resizing must be done at end-of-dump processing.
3529                          */
3530                         mq_size += (ha->max_req_queues - 1) *
3531                             (req->length * sizeof(request_t));
3532                         mq_size += (ha->max_rsp_queues - 1) *
3533                             (rsp->length * sizeof(response_t));
3534                 }
3535                 if (ha->tgt.atio_ring)
3536                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
3537
3538                 qla2x00_init_fce_trace(vha);
3539                 if (ha->fce)
3540                         fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
3541                 qla2x00_init_eft_trace(vha);
3542                 if (ha->eft)
3543                         eft_size = EFT_SIZE;
3544         }
3545
3546         if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3547                 struct fwdt *fwdt = ha->fwdt;
3548                 uint j;
3549
3550                 for (j = 0; j < 2; j++, fwdt++) {
3551                         if (!fwdt->template) {
3552                                 ql_dbg(ql_dbg_init, vha, 0x00ba,
3553                                     "-> fwdt%u no template\n", j);
3554                                 continue;
3555                         }
3556                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3557                             "-> fwdt%u calculating fwdump size...\n", j);
3558                         fwdt->dump_size = qla27xx_fwdt_calculate_dump_size(
3559                             vha, fwdt->template);
3560                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3561                             "-> fwdt%u calculated fwdump size = %#lx bytes\n",
3562                             j, fwdt->dump_size);
3563                         dump_size += fwdt->dump_size;
3564                 }
3565                 /* Add space for spare MPI fw dump. */
3566                 dump_size += ha->fwdt[1].dump_size;
3567         } else {
3568                 req_q_size = req->length * sizeof(request_t);
3569                 rsp_q_size = rsp->length * sizeof(response_t);
3570                 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
3571                 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size
3572                         + eft_size;
3573                 ha->chain_offset = dump_size;
3574                 dump_size += mq_size + fce_size;
3575                 if (ha->exchoffld_buf)
3576                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3577                                 ha->exchoffld_size;
3578                 if (ha->exlogin_buf)
3579                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3580                                 ha->exlogin_size;
3581         }
3582
3583         if (!ha->fw_dump_len || dump_size > ha->fw_dump_alloc_len) {
3584
3585                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3586                     "%s dump_size %d fw_dump_len %d fw_dump_alloc_len %d\n",
3587                     __func__, dump_size, ha->fw_dump_len,
3588                     ha->fw_dump_alloc_len);
3589
3590                 fw_dump = vmalloc(dump_size);
3591                 if (!fw_dump) {
3592                         ql_log(ql_log_warn, vha, 0x00c4,
3593                             "Unable to allocate (%d KB) for firmware dump.\n",
3594                             dump_size / 1024);
3595                 } else {
3596                         mutex_lock(&ha->optrom_mutex);
3597                         if (ha->fw_dumped) {
3598                                 memcpy(fw_dump, ha->fw_dump, ha->fw_dump_len);
3599                                 vfree(ha->fw_dump);
3600                                 ha->fw_dump = fw_dump;
3601                                 ha->fw_dump_alloc_len =  dump_size;
3602                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3603                                     "Re-Allocated (%d KB) and save firmware dump.\n",
3604                                     dump_size / 1024);
3605                         } else {
3606                                 vfree(ha->fw_dump);
3607                                 ha->fw_dump = fw_dump;
3608
3609                                 ha->fw_dump_len = ha->fw_dump_alloc_len =
3610                                     dump_size;
3611                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3612                                     "Allocated (%d KB) for firmware dump.\n",
3613                                     dump_size / 1024);
3614
3615                                 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3616                                         ha->mpi_fw_dump = (char *)fw_dump +
3617                                                 ha->fwdt[1].dump_size;
3618                                         mutex_unlock(&ha->optrom_mutex);
3619                                         return;
3620                                 }
3621
3622                                 ha->fw_dump->signature[0] = 'Q';
3623                                 ha->fw_dump->signature[1] = 'L';
3624                                 ha->fw_dump->signature[2] = 'G';
3625                                 ha->fw_dump->signature[3] = 'C';
3626                                 ha->fw_dump->version = htonl(1);
3627
3628                                 ha->fw_dump->fixed_size = htonl(fixed_size);
3629                                 ha->fw_dump->mem_size = htonl(mem_size);
3630                                 ha->fw_dump->req_q_size = htonl(req_q_size);
3631                                 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3632
3633                                 ha->fw_dump->eft_size = htonl(eft_size);
3634                                 ha->fw_dump->eft_addr_l =
3635                                     htonl(LSD(ha->eft_dma));
3636                                 ha->fw_dump->eft_addr_h =
3637                                     htonl(MSD(ha->eft_dma));
3638
3639                                 ha->fw_dump->header_size =
3640                                         htonl(offsetof
3641                                             (struct qla2xxx_fw_dump, isp));
3642                         }
3643                         mutex_unlock(&ha->optrom_mutex);
3644                 }
3645         }
3646 }
3647
3648 static int
3649 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3650 {
3651 #define MPS_MASK        0xe0
3652         int rval;
3653         uint16_t dc;
3654         uint32_t dw;
3655
3656         if (!IS_QLA81XX(vha->hw))
3657                 return QLA_SUCCESS;
3658
3659         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3660         if (rval != QLA_SUCCESS) {
3661                 ql_log(ql_log_warn, vha, 0x0105,
3662                     "Unable to acquire semaphore.\n");
3663                 goto done;
3664         }
3665
3666         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3667         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3668         if (rval != QLA_SUCCESS) {
3669                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3670                 goto done_release;
3671         }
3672
3673         dc &= MPS_MASK;
3674         if (dc == (dw & MPS_MASK))
3675                 goto done_release;
3676
3677         dw &= ~MPS_MASK;
3678         dw |= dc;
3679         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3680         if (rval != QLA_SUCCESS) {
3681                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3682         }
3683
3684 done_release:
3685         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3686         if (rval != QLA_SUCCESS) {
3687                 ql_log(ql_log_warn, vha, 0x006d,
3688                     "Unable to release semaphore.\n");
3689         }
3690
3691 done:
3692         return rval;
3693 }
3694
3695 int
3696 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3697 {
3698         /* Don't try to reallocate the array */
3699         if (req->outstanding_cmds)
3700                 return QLA_SUCCESS;
3701
3702         if (!IS_FWI2_CAPABLE(ha))
3703                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
3704         else {
3705                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
3706                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3707                 else
3708                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3709         }
3710
3711         req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3712                                         sizeof(srb_t *),
3713                                         GFP_KERNEL);
3714
3715         if (!req->outstanding_cmds) {
3716                 /*
3717                  * Try to allocate a minimal size just so we can get through
3718                  * initialization.
3719                  */
3720                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3721                 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3722                                                 sizeof(srb_t *),
3723                                                 GFP_KERNEL);
3724
3725                 if (!req->outstanding_cmds) {
3726                         ql_log(ql_log_fatal, NULL, 0x0126,
3727                             "Failed to allocate memory for "
3728                             "outstanding_cmds for req_que %p.\n", req);
3729                         req->num_outstanding_cmds = 0;
3730                         return QLA_FUNCTION_FAILED;
3731                 }
3732         }
3733
3734         return QLA_SUCCESS;
3735 }
3736
3737 #define PRINT_FIELD(_field, _flag, _str) {              \
3738         if (a0->_field & _flag) {\
3739                 if (p) {\
3740                         strcat(ptr, "|");\
3741                         ptr++;\
3742                         leftover--;\
3743                 } \
3744                 len = snprintf(ptr, leftover, "%s", _str);      \
3745                 p = 1;\
3746                 leftover -= len;\
3747                 ptr += len; \
3748         } \
3749 }
3750
3751 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
3752 {
3753 #define STR_LEN 64
3754         struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
3755         u8 str[STR_LEN], *ptr, p;
3756         int leftover, len;
3757
3758         memset(str, 0, STR_LEN);
3759         snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
3760         ql_dbg(ql_dbg_init, vha, 0x015a,
3761             "SFP MFG Name: %s\n", str);
3762
3763         memset(str, 0, STR_LEN);
3764         snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
3765         ql_dbg(ql_dbg_init, vha, 0x015c,
3766             "SFP Part Name: %s\n", str);
3767
3768         /* media */
3769         memset(str, 0, STR_LEN);
3770         ptr = str;
3771         leftover = STR_LEN;
3772         p = len = 0;
3773         PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
3774         PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
3775         PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
3776         PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
3777         PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
3778         PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
3779         PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
3780         ql_dbg(ql_dbg_init, vha, 0x0160,
3781             "SFP Media: %s\n", str);
3782
3783         /* link length */
3784         memset(str, 0, STR_LEN);
3785         ptr = str;
3786         leftover = STR_LEN;
3787         p = len = 0;
3788         PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
3789         PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
3790         PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
3791         PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
3792         PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
3793         ql_dbg(ql_dbg_init, vha, 0x0196,
3794             "SFP Link Length: %s\n", str);
3795
3796         memset(str, 0, STR_LEN);
3797         ptr = str;
3798         leftover = STR_LEN;
3799         p = len = 0;
3800         PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
3801         PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
3802         PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
3803         PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
3804         PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
3805         ql_dbg(ql_dbg_init, vha, 0x016e,
3806             "SFP FC Link Tech: %s\n", str);
3807
3808         if (a0->length_km)
3809                 ql_dbg(ql_dbg_init, vha, 0x016f,
3810                     "SFP Distant: %d km\n", a0->length_km);
3811         if (a0->length_100m)
3812                 ql_dbg(ql_dbg_init, vha, 0x0170,
3813                     "SFP Distant: %d m\n", a0->length_100m*100);
3814         if (a0->length_50um_10m)
3815                 ql_dbg(ql_dbg_init, vha, 0x0189,
3816                     "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
3817         if (a0->length_62um_10m)
3818                 ql_dbg(ql_dbg_init, vha, 0x018a,
3819                   "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
3820         if (a0->length_om4_10m)
3821                 ql_dbg(ql_dbg_init, vha, 0x0194,
3822                     "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
3823         if (a0->length_om3_10m)
3824                 ql_dbg(ql_dbg_init, vha, 0x0195,
3825                     "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
3826 }
3827
3828
3829 /**
3830  * qla24xx_detect_sfp()
3831  *
3832  * @vha: adapter state pointer.
3833  *
3834  * @return
3835  *      0 -- Configure firmware to use short-range settings -- normal
3836  *           buffer-to-buffer credits.
3837  *
3838  *      1 -- Configure firmware to use long-range settings -- extra
3839  *           buffer-to-buffer credits should be allocated with
3840  *           ha->lr_distance containing distance settings from NVRAM or SFP
3841  *           (if supported).
3842  */
3843 int
3844 qla24xx_detect_sfp(scsi_qla_host_t *vha)
3845 {
3846         int rc, used_nvram;
3847         struct sff_8247_a0 *a;
3848         struct qla_hw_data *ha = vha->hw;
3849         struct nvram_81xx *nv = ha->nvram;
3850 #define LR_DISTANCE_UNKNOWN     2
3851         static const char * const types[] = { "Short", "Long" };
3852         static const char * const lengths[] = { "(10km)", "(5km)", "" };
3853         u8 ll = 0;
3854
3855         /* Seed with NVRAM settings. */
3856         used_nvram = 0;
3857         ha->flags.lr_detected = 0;
3858         if (IS_BPM_RANGE_CAPABLE(ha) &&
3859             (nv->enhanced_features & NEF_LR_DIST_ENABLE)) {
3860                 used_nvram = 1;
3861                 ha->flags.lr_detected = 1;
3862                 ha->lr_distance =
3863                     (nv->enhanced_features >> LR_DIST_NV_POS)
3864                      & LR_DIST_NV_MASK;
3865         }
3866
3867         if (!IS_BPM_ENABLED(vha))
3868                 goto out;
3869         /* Determine SR/LR capabilities of SFP/Transceiver. */
3870         rc = qla2x00_read_sfp_dev(vha, NULL, 0);
3871         if (rc)
3872                 goto out;
3873
3874         used_nvram = 0;
3875         a = (struct sff_8247_a0 *)vha->hw->sfp_data;
3876         qla2xxx_print_sfp_info(vha);
3877
3878         ha->flags.lr_detected = 0;
3879         ll = a->fc_ll_cc7;
3880         if (ll & FC_LL_VL || ll & FC_LL_L) {
3881                 /* Long range, track length. */
3882                 ha->flags.lr_detected = 1;
3883
3884                 if (a->length_km > 5 || a->length_100m > 50)
3885                         ha->lr_distance = LR_DISTANCE_10K;
3886                 else
3887                         ha->lr_distance = LR_DISTANCE_5K;
3888         }
3889
3890 out:
3891         ql_dbg(ql_dbg_async, vha, 0x507b,
3892             "SFP detect: %s-Range SFP %s (nvr=%x ll=%x lr=%x lrd=%x).\n",
3893             types[ha->flags.lr_detected],
3894             ha->flags.lr_detected ? lengths[ha->lr_distance] :
3895                lengths[LR_DISTANCE_UNKNOWN],
3896             used_nvram, ll, ha->flags.lr_detected, ha->lr_distance);
3897         return ha->flags.lr_detected;
3898 }
3899
3900 void qla_init_iocb_limit(scsi_qla_host_t *vha)
3901 {
3902         u16 i, num_qps;
3903         u32 limit;
3904         struct qla_hw_data *ha = vha->hw;
3905
3906         num_qps = ha->num_qpairs + 1;
3907         limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100;
3908
3909         ha->base_qpair->fwres.iocbs_total = ha->orig_fw_iocb_count;
3910         ha->base_qpair->fwres.iocbs_limit = limit;
3911         ha->base_qpair->fwres.iocbs_qp_limit = limit / num_qps;
3912         ha->base_qpair->fwres.iocbs_used = 0;
3913         for (i = 0; i < ha->max_qpairs; i++) {
3914                 if (ha->queue_pair_map[i])  {
3915                         ha->queue_pair_map[i]->fwres.iocbs_total =
3916                                 ha->orig_fw_iocb_count;
3917                         ha->queue_pair_map[i]->fwres.iocbs_limit = limit;
3918                         ha->queue_pair_map[i]->fwres.iocbs_qp_limit =
3919                                 limit / num_qps;
3920                         ha->queue_pair_map[i]->fwres.iocbs_used = 0;
3921                 }
3922         }
3923 }
3924
3925 /**
3926  * qla2x00_setup_chip() - Load and start RISC firmware.
3927  * @vha: HA context
3928  *
3929  * Returns 0 on success.
3930  */
3931 static int
3932 qla2x00_setup_chip(scsi_qla_host_t *vha)
3933 {
3934         int rval;
3935         uint32_t srisc_address = 0;
3936         struct qla_hw_data *ha = vha->hw;
3937         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3938         unsigned long flags;
3939         uint16_t fw_major_version;
3940         int done_once = 0;
3941
3942         if (IS_P3P_TYPE(ha)) {
3943                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
3944                 if (rval == QLA_SUCCESS) {
3945                         qla2x00_stop_firmware(vha);
3946                         goto enable_82xx_npiv;
3947                 } else
3948                         goto failed;
3949         }
3950
3951         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3952                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
3953                 spin_lock_irqsave(&ha->hardware_lock, flags);
3954                 wrt_reg_word(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
3955                 rd_reg_word(&reg->hccr);
3956                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3957         }
3958
3959         qla81xx_mpi_sync(vha);
3960
3961 execute_fw_with_lr:
3962         /* Load firmware sequences */
3963         rval = ha->isp_ops->load_risc(vha, &srisc_address);
3964         if (rval == QLA_SUCCESS) {
3965                 ql_dbg(ql_dbg_init, vha, 0x00c9,
3966                     "Verifying Checksum of loaded RISC code.\n");
3967
3968                 rval = qla2x00_verify_checksum(vha, srisc_address);
3969                 if (rval == QLA_SUCCESS) {
3970                         /* Start firmware execution. */
3971                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3972                             "Starting firmware.\n");
3973
3974                         if (ql2xexlogins)
3975                                 ha->flags.exlogins_enabled = 1;
3976
3977                         if (qla_is_exch_offld_enabled(vha))
3978                                 ha->flags.exchoffld_enabled = 1;
3979
3980                         rval = qla2x00_execute_fw(vha, srisc_address);
3981                         /* Retrieve firmware information. */
3982                         if (rval == QLA_SUCCESS) {
3983                                 /* Enable BPM support? */
3984                                 if (!done_once++ && qla24xx_detect_sfp(vha)) {
3985                                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3986                                             "Re-starting firmware -- BPM.\n");
3987                                         /* Best-effort - re-init. */
3988                                         ha->isp_ops->reset_chip(vha);
3989                                         ha->isp_ops->chip_diag(vha);
3990                                         goto execute_fw_with_lr;
3991                                 }
3992
3993                                 if (IS_ZIO_THRESHOLD_CAPABLE(ha))
3994                                         qla27xx_set_zio_threshold(vha,
3995                                             ha->last_zio_threshold);
3996
3997                                 rval = qla2x00_set_exlogins_buffer(vha);
3998                                 if (rval != QLA_SUCCESS)
3999                                         goto failed;
4000
4001                                 rval = qla2x00_set_exchoffld_buffer(vha);
4002                                 if (rval != QLA_SUCCESS)
4003                                         goto failed;
4004
4005 enable_82xx_npiv:
4006                                 fw_major_version = ha->fw_major_version;
4007                                 if (IS_P3P_TYPE(ha))
4008                                         qla82xx_check_md_needed(vha);
4009                                 else
4010                                         rval = qla2x00_get_fw_version(vha);
4011                                 if (rval != QLA_SUCCESS)
4012                                         goto failed;
4013                                 ha->flags.npiv_supported = 0;
4014                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
4015                                          (ha->fw_attributes & BIT_2)) {
4016                                         ha->flags.npiv_supported = 1;
4017                                         if ((!ha->max_npiv_vports) ||
4018                                             ((ha->max_npiv_vports + 1) %
4019                                             MIN_MULTI_ID_FABRIC))
4020                                                 ha->max_npiv_vports =
4021                                                     MIN_MULTI_ID_FABRIC - 1;
4022                                 }
4023                                 qla2x00_get_resource_cnts(vha);
4024                                 qla_init_iocb_limit(vha);
4025
4026                                 /*
4027                                  * Allocate the array of outstanding commands
4028                                  * now that we know the firmware resources.
4029                                  */
4030                                 rval = qla2x00_alloc_outstanding_cmds(ha,
4031                                     vha->req);
4032                                 if (rval != QLA_SUCCESS)
4033                                         goto failed;
4034
4035                                 if (!fw_major_version && !(IS_P3P_TYPE(ha)))
4036                                         qla2x00_alloc_offload_mem(vha);
4037
4038                                 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
4039                                         qla2x00_alloc_fw_dump(vha);
4040
4041                         } else {
4042                                 goto failed;
4043                         }
4044                 } else {
4045                         ql_log(ql_log_fatal, vha, 0x00cd,
4046                             "ISP Firmware failed checksum.\n");
4047                         goto failed;
4048                 }
4049
4050                 /* Enable PUREX PASSTHRU */
4051                 if (ql2xrdpenable || ha->flags.scm_supported_f ||
4052                     ha->flags.edif_enabled)
4053                         qla25xx_set_els_cmds_supported(vha);
4054         } else
4055                 goto failed;
4056
4057         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
4058                 /* Enable proper parity. */
4059                 spin_lock_irqsave(&ha->hardware_lock, flags);
4060                 if (IS_QLA2300(ha))
4061                         /* SRAM parity */
4062                         wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
4063                 else
4064                         /* SRAM, Instruction RAM and GP RAM parity */
4065                         wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
4066                 rd_reg_word(&reg->hccr);
4067                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4068         }
4069
4070         if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
4071                 ha->flags.fac_supported = 1;
4072         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
4073                 uint32_t size;
4074
4075                 rval = qla81xx_fac_get_sector_size(vha, &size);
4076                 if (rval == QLA_SUCCESS) {
4077                         ha->flags.fac_supported = 1;
4078                         ha->fdt_block_size = size << 2;
4079                 } else {
4080                         ql_log(ql_log_warn, vha, 0x00ce,
4081                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
4082                             ha->fw_major_version, ha->fw_minor_version,
4083                             ha->fw_subminor_version);
4084
4085                         if (IS_QLA83XX(ha)) {
4086                                 ha->flags.fac_supported = 0;
4087                                 rval = QLA_SUCCESS;
4088                         }
4089                 }
4090         }
4091 failed:
4092         if (rval) {
4093                 ql_log(ql_log_fatal, vha, 0x00cf,
4094                     "Setup chip ****FAILED****.\n");
4095         }
4096
4097         return (rval);
4098 }
4099
4100 /**
4101  * qla2x00_init_response_q_entries() - Initializes response queue entries.
4102  * @rsp: response queue
4103  *
4104  * Beginning of request ring has initialization control block already built
4105  * by nvram config routine.
4106  *
4107  * Returns 0 on success.
4108  */
4109 void
4110 qla2x00_init_response_q_entries(struct rsp_que *rsp)
4111 {
4112         uint16_t cnt;
4113         response_t *pkt;
4114
4115         rsp->ring_ptr = rsp->ring;
4116         rsp->ring_index    = 0;
4117         rsp->status_srb = NULL;
4118         pkt = rsp->ring_ptr;
4119         for (cnt = 0; cnt < rsp->length; cnt++) {
4120                 pkt->signature = RESPONSE_PROCESSED;
4121                 pkt++;
4122         }
4123 }
4124
4125 /**
4126  * qla2x00_update_fw_options() - Read and process firmware options.
4127  * @vha: HA context
4128  *
4129  * Returns 0 on success.
4130  */
4131 void
4132 qla2x00_update_fw_options(scsi_qla_host_t *vha)
4133 {
4134         uint16_t swing, emphasis, tx_sens, rx_sens;
4135         struct qla_hw_data *ha = vha->hw;
4136
4137         memset(ha->fw_options, 0, sizeof(ha->fw_options));
4138         qla2x00_get_fw_options(vha, ha->fw_options);
4139
4140         if (IS_QLA2100(ha) || IS_QLA2200(ha))
4141                 return;
4142
4143         /* Serial Link options. */
4144         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
4145             "Serial link options.\n");
4146         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
4147             ha->fw_seriallink_options, sizeof(ha->fw_seriallink_options));
4148
4149         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
4150         if (ha->fw_seriallink_options[3] & BIT_2) {
4151                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
4152
4153                 /*  1G settings */
4154                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
4155                 emphasis = (ha->fw_seriallink_options[2] &
4156                     (BIT_4 | BIT_3)) >> 3;
4157                 tx_sens = ha->fw_seriallink_options[0] &
4158                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4159                 rx_sens = (ha->fw_seriallink_options[0] &
4160                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
4161                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
4162                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
4163                         if (rx_sens == 0x0)
4164                                 rx_sens = 0x3;
4165                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
4166                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
4167                         ha->fw_options[10] |= BIT_5 |
4168                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
4169                             (tx_sens & (BIT_1 | BIT_0));
4170
4171                 /*  2G settings */
4172                 swing = (ha->fw_seriallink_options[2] &
4173                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
4174                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
4175                 tx_sens = ha->fw_seriallink_options[1] &
4176                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4177                 rx_sens = (ha->fw_seriallink_options[1] &
4178                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
4179                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
4180                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
4181                         if (rx_sens == 0x0)
4182                                 rx_sens = 0x3;
4183                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
4184                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
4185                         ha->fw_options[11] |= BIT_5 |
4186                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
4187                             (tx_sens & (BIT_1 | BIT_0));
4188         }
4189
4190         /* FCP2 options. */
4191         /*  Return command IOCBs without waiting for an ABTS to complete. */
4192         ha->fw_options[3] |= BIT_13;
4193
4194         /* LED scheme. */
4195         if (ha->flags.enable_led_scheme)
4196                 ha->fw_options[2] |= BIT_12;
4197
4198         /* Detect ISP6312. */
4199         if (IS_QLA6312(ha))
4200                 ha->fw_options[2] |= BIT_13;
4201
4202         /* Set Retry FLOGI in case of P2P connection */
4203         if (ha->operating_mode == P2P) {
4204                 ha->fw_options[2] |= BIT_3;
4205                 ql_dbg(ql_dbg_disc, vha, 0x2100,
4206                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
4207                         __func__, ha->fw_options[2]);
4208         }
4209
4210         /* Update firmware options. */
4211         qla2x00_set_fw_options(vha, ha->fw_options);
4212 }
4213
4214 void
4215 qla24xx_update_fw_options(scsi_qla_host_t *vha)
4216 {
4217         int rval;
4218         struct qla_hw_data *ha = vha->hw;
4219
4220         if (IS_P3P_TYPE(ha))
4221                 return;
4222
4223         /*  Hold status IOCBs until ABTS response received. */
4224         if (ql2xfwholdabts)
4225                 ha->fw_options[3] |= BIT_12;
4226
4227         /* Set Retry FLOGI in case of P2P connection */
4228         if (ha->operating_mode == P2P) {
4229                 ha->fw_options[2] |= BIT_3;
4230                 ql_dbg(ql_dbg_disc, vha, 0x2101,
4231                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
4232                         __func__, ha->fw_options[2]);
4233         }
4234
4235         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
4236         if (ql2xmvasynctoatio && !ha->flags.edif_enabled &&
4237             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
4238                 if (qla_tgt_mode_enabled(vha) ||
4239                     qla_dual_mode_enabled(vha))
4240                         ha->fw_options[2] |= BIT_11;
4241                 else
4242                         ha->fw_options[2] &= ~BIT_11;
4243         }
4244
4245         if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4246             IS_QLA28XX(ha)) {
4247                 /*
4248                  * Tell FW to track each exchange to prevent
4249                  * driver from using stale exchange.
4250                  */
4251                 if (qla_tgt_mode_enabled(vha) ||
4252                     qla_dual_mode_enabled(vha))
4253                         ha->fw_options[2] |= BIT_4;
4254                 else
4255                         ha->fw_options[2] &= ~(BIT_4);
4256
4257                 /* Reserve 1/2 of emergency exchanges for ELS.*/
4258                 if (qla2xuseresexchforels)
4259                         ha->fw_options[2] |= BIT_8;
4260                 else
4261                         ha->fw_options[2] &= ~BIT_8;
4262
4263                 /*
4264                  * N2N: set Secure=1 for PLOGI ACC and
4265                  * fw shal not send PRLI after PLOGI Acc
4266                  */
4267                 if (ha->flags.edif_enabled &&
4268                     DBELL_ACTIVE(vha)) {
4269                         ha->fw_options[3] |= BIT_15;
4270                         ha->flags.n2n_fw_acc_sec = 1;
4271                 } else {
4272                         ha->fw_options[3] &= ~BIT_15;
4273                         ha->flags.n2n_fw_acc_sec = 0;
4274                 }
4275         }
4276
4277         if (ql2xrdpenable || ha->flags.scm_supported_f ||
4278             ha->flags.edif_enabled)
4279                 ha->fw_options[1] |= ADD_FO1_ENABLE_PUREX_IOCB;
4280
4281         /* Enable Async 8130/8131 events -- transceiver insertion/removal */
4282         if (IS_BPM_RANGE_CAPABLE(ha))
4283                 ha->fw_options[3] |= BIT_10;
4284
4285         ql_dbg(ql_dbg_init, vha, 0x00e8,
4286             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
4287             __func__, ha->fw_options[1], ha->fw_options[2],
4288             ha->fw_options[3], vha->host->active_mode);
4289
4290         if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
4291                 qla2x00_set_fw_options(vha, ha->fw_options);
4292
4293         /* Update Serial Link options. */
4294         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
4295                 return;
4296
4297         rval = qla2x00_set_serdes_params(vha,
4298             le16_to_cpu(ha->fw_seriallink_options24[1]),
4299             le16_to_cpu(ha->fw_seriallink_options24[2]),
4300             le16_to_cpu(ha->fw_seriallink_options24[3]));
4301         if (rval != QLA_SUCCESS) {
4302                 ql_log(ql_log_warn, vha, 0x0104,
4303                     "Unable to update Serial Link options (%x).\n", rval);
4304         }
4305 }
4306
4307 void
4308 qla2x00_config_rings(struct scsi_qla_host *vha)
4309 {
4310         struct qla_hw_data *ha = vha->hw;
4311         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4312         struct req_que *req = ha->req_q_map[0];
4313         struct rsp_que *rsp = ha->rsp_q_map[0];
4314
4315         /* Setup ring parameters in initialization control block. */
4316         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
4317         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
4318         ha->init_cb->request_q_length = cpu_to_le16(req->length);
4319         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
4320         put_unaligned_le64(req->dma, &ha->init_cb->request_q_address);
4321         put_unaligned_le64(rsp->dma, &ha->init_cb->response_q_address);
4322
4323         wrt_reg_word(ISP_REQ_Q_IN(ha, reg), 0);
4324         wrt_reg_word(ISP_REQ_Q_OUT(ha, reg), 0);
4325         wrt_reg_word(ISP_RSP_Q_IN(ha, reg), 0);
4326         wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), 0);
4327         rd_reg_word(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
4328 }
4329
4330 void
4331 qla24xx_config_rings(struct scsi_qla_host *vha)
4332 {
4333         struct qla_hw_data *ha = vha->hw;
4334         device_reg_t *reg = ISP_QUE_REG(ha, 0);
4335         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
4336         struct qla_msix_entry *msix;
4337         struct init_cb_24xx *icb;
4338         uint16_t rid = 0;
4339         struct req_que *req = ha->req_q_map[0];
4340         struct rsp_que *rsp = ha->rsp_q_map[0];
4341
4342         /* Setup ring parameters in initialization control block. */
4343         icb = (struct init_cb_24xx *)ha->init_cb;
4344         icb->request_q_outpointer = cpu_to_le16(0);
4345         icb->response_q_inpointer = cpu_to_le16(0);
4346         icb->request_q_length = cpu_to_le16(req->length);
4347         icb->response_q_length = cpu_to_le16(rsp->length);
4348         put_unaligned_le64(req->dma, &icb->request_q_address);
4349         put_unaligned_le64(rsp->dma, &icb->response_q_address);
4350
4351         /* Setup ATIO queue dma pointers for target mode */
4352         icb->atio_q_inpointer = cpu_to_le16(0);
4353         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
4354         put_unaligned_le64(ha->tgt.atio_dma, &icb->atio_q_address);
4355
4356         if (IS_SHADOW_REG_CAPABLE(ha))
4357                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
4358
4359         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4360             IS_QLA28XX(ha)) {
4361                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
4362                 icb->rid = cpu_to_le16(rid);
4363                 if (ha->flags.msix_enabled) {
4364                         msix = &ha->msix_entries[1];
4365                         ql_dbg(ql_dbg_init, vha, 0x0019,
4366                             "Registering vector 0x%x for base que.\n",
4367                             msix->entry);
4368                         icb->msix = cpu_to_le16(msix->entry);
4369                 }
4370                 /* Use alternate PCI bus number */
4371                 if (MSB(rid))
4372                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
4373                 /* Use alternate PCI devfn */
4374                 if (LSB(rid))
4375                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
4376
4377                 /* Use Disable MSIX Handshake mode for capable adapters */
4378                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
4379                     (ha->flags.msix_enabled)) {
4380                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
4381                         ha->flags.disable_msix_handshake = 1;
4382                         ql_dbg(ql_dbg_init, vha, 0x00fe,
4383                             "MSIX Handshake Disable Mode turned on.\n");
4384                 } else {
4385                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
4386                 }
4387                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
4388
4389                 wrt_reg_dword(&reg->isp25mq.req_q_in, 0);
4390                 wrt_reg_dword(&reg->isp25mq.req_q_out, 0);
4391                 wrt_reg_dword(&reg->isp25mq.rsp_q_in, 0);
4392                 wrt_reg_dword(&reg->isp25mq.rsp_q_out, 0);
4393         } else {
4394                 wrt_reg_dword(&reg->isp24.req_q_in, 0);
4395                 wrt_reg_dword(&reg->isp24.req_q_out, 0);
4396                 wrt_reg_dword(&reg->isp24.rsp_q_in, 0);
4397                 wrt_reg_dword(&reg->isp24.rsp_q_out, 0);
4398         }
4399
4400         qlt_24xx_config_rings(vha);
4401
4402         /* If the user has configured the speed, set it here */
4403         if (ha->set_data_rate) {
4404                 ql_dbg(ql_dbg_init, vha, 0x00fd,
4405                     "Speed set by user : %s Gbps \n",
4406                     qla2x00_get_link_speed_str(ha, ha->set_data_rate));
4407                 icb->firmware_options_3 = cpu_to_le32(ha->set_data_rate << 13);
4408         }
4409
4410         /* PCI posting */
4411         rd_reg_word(&ioreg->hccr);
4412 }
4413
4414 /**
4415  * qla2x00_init_rings() - Initializes firmware.
4416  * @vha: HA context
4417  *
4418  * Beginning of request ring has initialization control block already built
4419  * by nvram config routine.
4420  *
4421  * Returns 0 on success.
4422  */
4423 int
4424 qla2x00_init_rings(scsi_qla_host_t *vha)
4425 {
4426         int     rval;
4427         unsigned long flags = 0;
4428         int cnt, que;
4429         struct qla_hw_data *ha = vha->hw;
4430         struct req_que *req;
4431         struct rsp_que *rsp;
4432         struct mid_init_cb_24xx *mid_init_cb =
4433             (struct mid_init_cb_24xx *) ha->init_cb;
4434
4435         spin_lock_irqsave(&ha->hardware_lock, flags);
4436
4437         /* Clear outstanding commands array. */
4438         for (que = 0; que < ha->max_req_queues; que++) {
4439                 req = ha->req_q_map[que];
4440                 if (!req || !test_bit(que, ha->req_qid_map))
4441                         continue;
4442                 req->out_ptr = (uint16_t *)(req->ring + req->length);
4443                 *req->out_ptr = 0;
4444                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
4445                         req->outstanding_cmds[cnt] = NULL;
4446
4447                 req->current_outstanding_cmd = 1;
4448
4449                 /* Initialize firmware. */
4450                 req->ring_ptr  = req->ring;
4451                 req->ring_index    = 0;
4452                 req->cnt      = req->length;
4453         }
4454
4455         for (que = 0; que < ha->max_rsp_queues; que++) {
4456                 rsp = ha->rsp_q_map[que];
4457                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
4458                         continue;
4459                 rsp->in_ptr = (uint16_t *)(rsp->ring + rsp->length);
4460                 *rsp->in_ptr = 0;
4461                 /* Initialize response queue entries */
4462                 if (IS_QLAFX00(ha))
4463                         qlafx00_init_response_q_entries(rsp);
4464                 else
4465                         qla2x00_init_response_q_entries(rsp);
4466         }
4467
4468         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
4469         ha->tgt.atio_ring_index = 0;
4470         /* Initialize ATIO queue entries */
4471         qlt_init_atio_q_entries(vha);
4472
4473         ha->isp_ops->config_rings(vha);
4474
4475         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4476
4477         if (IS_QLAFX00(ha)) {
4478                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
4479                 goto next_check;
4480         }
4481
4482         /* Update any ISP specific firmware options before initialization. */
4483         ha->isp_ops->update_fw_options(vha);
4484
4485         ql_dbg(ql_dbg_init, vha, 0x00d1,
4486                "Issue init firmware FW opt 1-3= %08x %08x %08x.\n",
4487                le32_to_cpu(mid_init_cb->init_cb.firmware_options_1),
4488                le32_to_cpu(mid_init_cb->init_cb.firmware_options_2),
4489                le32_to_cpu(mid_init_cb->init_cb.firmware_options_3));
4490
4491         if (ha->flags.npiv_supported) {
4492                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
4493                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
4494                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
4495         }
4496
4497         if (IS_FWI2_CAPABLE(ha)) {
4498                 mid_init_cb->options = cpu_to_le16(BIT_1);
4499                 mid_init_cb->init_cb.execution_throttle =
4500                     cpu_to_le16(ha->cur_fw_xcb_count);
4501                 ha->flags.dport_enabled =
4502                         (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4503                          BIT_7) != 0;
4504                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
4505                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
4506                 /* FA-WWPN Status */
4507                 ha->flags.fawwpn_enabled =
4508                         (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4509                          BIT_6) != 0;
4510                 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
4511                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
4512         }
4513
4514         /* ELS pass through payload is limit by frame size. */
4515         if (ha->flags.edif_enabled)
4516                 mid_init_cb->init_cb.frame_payload_size = cpu_to_le16(ELS_MAX_PAYLOAD);
4517
4518         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
4519 next_check:
4520         if (rval) {
4521                 ql_log(ql_log_fatal, vha, 0x00d2,
4522                     "Init Firmware **** FAILED ****.\n");
4523         } else {
4524                 ql_dbg(ql_dbg_init, vha, 0x00d3,
4525                     "Init Firmware -- success.\n");
4526                 QLA_FW_STARTED(ha);
4527                 vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0;
4528         }
4529
4530         return (rval);
4531 }
4532
4533 /**
4534  * qla2x00_fw_ready() - Waits for firmware ready.
4535  * @vha: HA context
4536  *
4537  * Returns 0 on success.
4538  */
4539 static int
4540 qla2x00_fw_ready(scsi_qla_host_t *vha)
4541 {
4542         int             rval;
4543         unsigned long   wtime, mtime, cs84xx_time;
4544         uint16_t        min_wait;       /* Minimum wait time if loop is down */
4545         uint16_t        wait_time;      /* Wait time if loop is coming ready */
4546         uint16_t        state[6];
4547         struct qla_hw_data *ha = vha->hw;
4548
4549         if (IS_QLAFX00(vha->hw))
4550                 return qlafx00_fw_ready(vha);
4551
4552         /* Time to wait for loop down */
4553         if (IS_P3P_TYPE(ha))
4554                 min_wait = 30;
4555         else
4556                 min_wait = 20;
4557
4558         /*
4559          * Firmware should take at most one RATOV to login, plus 5 seconds for
4560          * our own processing.
4561          */
4562         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
4563                 wait_time = min_wait;
4564         }
4565
4566         /* Min wait time if loop down */
4567         mtime = jiffies + (min_wait * HZ);
4568
4569         /* wait time before firmware ready */
4570         wtime = jiffies + (wait_time * HZ);
4571
4572         /* Wait for ISP to finish LIP */
4573         if (!vha->flags.init_done)
4574                 ql_log(ql_log_info, vha, 0x801e,
4575                     "Waiting for LIP to complete.\n");
4576
4577         do {
4578                 memset(state, -1, sizeof(state));
4579                 rval = qla2x00_get_firmware_state(vha, state);
4580                 if (rval == QLA_SUCCESS) {
4581                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
4582                                 vha->device_flags &= ~DFLG_NO_CABLE;
4583                         }
4584                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
4585                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
4586                                     "fw_state=%x 84xx=%x.\n", state[0],
4587                                     state[2]);
4588                                 if ((state[2] & FSTATE_LOGGED_IN) &&
4589                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
4590                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
4591                                             "Sending verify iocb.\n");
4592
4593                                         cs84xx_time = jiffies;
4594                                         rval = qla84xx_init_chip(vha);
4595                                         if (rval != QLA_SUCCESS) {
4596                                                 ql_log(ql_log_warn,
4597                                                     vha, 0x8007,
4598                                                     "Init chip failed.\n");
4599                                                 break;
4600                                         }
4601
4602                                         /* Add time taken to initialize. */
4603                                         cs84xx_time = jiffies - cs84xx_time;
4604                                         wtime += cs84xx_time;
4605                                         mtime += cs84xx_time;
4606                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
4607                                             "Increasing wait time by %ld. "
4608                                             "New time %ld.\n", cs84xx_time,
4609                                             wtime);
4610                                 }
4611                         } else if (state[0] == FSTATE_READY) {
4612                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
4613                                     "F/W Ready - OK.\n");
4614
4615                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
4616                                     &ha->login_timeout, &ha->r_a_tov);
4617
4618                                 rval = QLA_SUCCESS;
4619                                 break;
4620                         }
4621
4622                         rval = QLA_FUNCTION_FAILED;
4623
4624                         if (atomic_read(&vha->loop_down_timer) &&
4625                             state[0] != FSTATE_READY) {
4626                                 /* Loop down. Timeout on min_wait for states
4627                                  * other than Wait for Login.
4628                                  */
4629                                 if (time_after_eq(jiffies, mtime)) {
4630                                         ql_log(ql_log_info, vha, 0x8038,
4631                                             "Cable is unplugged...\n");
4632
4633                                         vha->device_flags |= DFLG_NO_CABLE;
4634                                         break;
4635                                 }
4636                         }
4637                 } else {
4638                         /* Mailbox cmd failed. Timeout on min_wait. */
4639                         if (time_after_eq(jiffies, mtime) ||
4640                                 ha->flags.isp82xx_fw_hung)
4641                                 break;
4642                 }
4643
4644                 if (time_after_eq(jiffies, wtime))
4645                         break;
4646
4647                 /* Delay for a while */
4648                 msleep(500);
4649         } while (1);
4650
4651         ql_dbg(ql_dbg_taskm, vha, 0x803a,
4652             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
4653             state[1], state[2], state[3], state[4], state[5], jiffies);
4654
4655         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
4656                 ql_log(ql_log_warn, vha, 0x803b,
4657                     "Firmware ready **** FAILED ****.\n");
4658         }
4659
4660         return (rval);
4661 }
4662
4663 /*
4664 *  qla2x00_configure_hba
4665 *      Setup adapter context.
4666 *
4667 * Input:
4668 *      ha = adapter state pointer.
4669 *
4670 * Returns:
4671 *      0 = success
4672 *
4673 * Context:
4674 *      Kernel context.
4675 */
4676 static int
4677 qla2x00_configure_hba(scsi_qla_host_t *vha)
4678 {
4679         int       rval;
4680         uint16_t      loop_id;
4681         uint16_t      topo;
4682         uint16_t      sw_cap;
4683         uint8_t       al_pa;
4684         uint8_t       area;
4685         uint8_t       domain;
4686         char            connect_type[22];
4687         struct qla_hw_data *ha = vha->hw;
4688         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4689         port_id_t id;
4690         unsigned long flags;
4691
4692         /* Get host addresses. */
4693         rval = qla2x00_get_adapter_id(vha,
4694             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
4695         if (rval != QLA_SUCCESS) {
4696                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
4697                     IS_CNA_CAPABLE(ha) ||
4698                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
4699                         ql_dbg(ql_dbg_disc, vha, 0x2008,
4700                             "Loop is in a transition state.\n");
4701                 } else {
4702                         ql_log(ql_log_warn, vha, 0x2009,
4703                             "Unable to get host loop ID.\n");
4704                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
4705                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
4706                                 ql_log(ql_log_warn, vha, 0x1151,
4707                                     "Doing link init.\n");
4708                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
4709                                         return rval;
4710                         }
4711                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4712                 }
4713                 return (rval);
4714         }
4715
4716         if (topo == 4) {
4717                 ql_log(ql_log_info, vha, 0x200a,
4718                     "Cannot get topology - retrying.\n");
4719                 return (QLA_FUNCTION_FAILED);
4720         }
4721
4722         vha->loop_id = loop_id;
4723
4724         /* initialize */
4725         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4726         ha->operating_mode = LOOP;
4727
4728         switch (topo) {
4729         case 0:
4730                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4731                 ha->switch_cap = 0;
4732                 ha->current_topology = ISP_CFG_NL;
4733                 strcpy(connect_type, "(Loop)");
4734                 break;
4735
4736         case 1:
4737                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4738                 ha->switch_cap = sw_cap;
4739                 ha->current_topology = ISP_CFG_FL;
4740                 strcpy(connect_type, "(FL_Port)");
4741                 break;
4742
4743         case 2:
4744                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
4745                 ha->switch_cap = 0;
4746                 ha->operating_mode = P2P;
4747                 ha->current_topology = ISP_CFG_N;
4748                 strcpy(connect_type, "(N_Port-to-N_Port)");
4749                 break;
4750
4751         case 3:
4752                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4753                 ha->switch_cap = sw_cap;
4754                 ha->operating_mode = P2P;
4755                 ha->current_topology = ISP_CFG_F;
4756                 strcpy(connect_type, "(F_Port)");
4757                 break;
4758
4759         default:
4760                 ql_dbg(ql_dbg_disc, vha, 0x200f,
4761                     "HBA in unknown topology %x, using NL.\n", topo);
4762                 ha->switch_cap = 0;
4763                 ha->current_topology = ISP_CFG_NL;
4764                 strcpy(connect_type, "(Loop)");
4765                 break;
4766         }
4767
4768         /* Save Host port and loop ID. */
4769         /* byte order - Big Endian */
4770         id.b.domain = domain;
4771         id.b.area = area;
4772         id.b.al_pa = al_pa;
4773         id.b.rsvd_1 = 0;
4774         spin_lock_irqsave(&ha->hardware_lock, flags);
4775         if (vha->hw->flags.edif_enabled) {
4776                 if (topo != 2)
4777                         qlt_update_host_map(vha, id);
4778         } else if (!(topo == 2 && ha->flags.n2n_bigger))
4779                 qlt_update_host_map(vha, id);
4780         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4781
4782         if (!vha->flags.init_done)
4783                 ql_log(ql_log_info, vha, 0x2010,
4784                     "Topology - %s, Host Loop address 0x%x.\n",
4785                     connect_type, vha->loop_id);
4786
4787         return(rval);
4788 }
4789
4790 inline void
4791 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4792                        const char *def)
4793 {
4794         char *st, *en;
4795         uint16_t index;
4796         uint64_t zero[2] = { 0 };
4797         struct qla_hw_data *ha = vha->hw;
4798         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4799             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4800
4801         if (len > sizeof(zero))
4802                 len = sizeof(zero);
4803         if (memcmp(model, &zero, len) != 0) {
4804                 memcpy(ha->model_number, model, len);
4805                 st = en = ha->model_number;
4806                 en += len - 1;
4807                 while (en > st) {
4808                         if (*en != 0x20 && *en != 0x00)
4809                                 break;
4810                         *en-- = '\0';
4811                 }
4812
4813                 index = (ha->pdev->subsystem_device & 0xff);
4814                 if (use_tbl &&
4815                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4816                     index < QLA_MODEL_NAMES)
4817                         strlcpy(ha->model_desc,
4818                             qla2x00_model_name[index * 2 + 1],
4819                             sizeof(ha->model_desc));
4820         } else {
4821                 index = (ha->pdev->subsystem_device & 0xff);
4822                 if (use_tbl &&
4823                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4824                     index < QLA_MODEL_NAMES) {
4825                         strlcpy(ha->model_number,
4826                                 qla2x00_model_name[index * 2],
4827                                 sizeof(ha->model_number));
4828                         strlcpy(ha->model_desc,
4829                             qla2x00_model_name[index * 2 + 1],
4830                             sizeof(ha->model_desc));
4831                 } else {
4832                         strlcpy(ha->model_number, def,
4833                                 sizeof(ha->model_number));
4834                 }
4835         }
4836         if (IS_FWI2_CAPABLE(ha))
4837                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4838                     sizeof(ha->model_desc));
4839 }
4840
4841 /* On sparc systems, obtain port and node WWN from firmware
4842  * properties.
4843  */
4844 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4845 {
4846 #ifdef CONFIG_SPARC
4847         struct qla_hw_data *ha = vha->hw;
4848         struct pci_dev *pdev = ha->pdev;
4849         struct device_node *dp = pci_device_to_OF_node(pdev);
4850         const u8 *val;
4851         int len;
4852
4853         val = of_get_property(dp, "port-wwn", &len);
4854         if (val && len >= WWN_SIZE)
4855                 memcpy(nv->port_name, val, WWN_SIZE);
4856
4857         val = of_get_property(dp, "node-wwn", &len);
4858         if (val && len >= WWN_SIZE)
4859                 memcpy(nv->node_name, val, WWN_SIZE);
4860 #endif
4861 }
4862
4863 /*
4864 * NVRAM configuration for ISP 2xxx
4865 *
4866 * Input:
4867 *      ha                = adapter block pointer.
4868 *
4869 * Output:
4870 *      initialization control block in response_ring
4871 *      host adapters parameters in host adapter block
4872 *
4873 * Returns:
4874 *      0 = success.
4875 */
4876 int
4877 qla2x00_nvram_config(scsi_qla_host_t *vha)
4878 {
4879         int             rval;
4880         uint8_t         chksum = 0;
4881         uint16_t        cnt;
4882         uint8_t         *dptr1, *dptr2;
4883         struct qla_hw_data *ha = vha->hw;
4884         init_cb_t       *icb = ha->init_cb;
4885         nvram_t         *nv = ha->nvram;
4886         uint8_t         *ptr = ha->nvram;
4887         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4888
4889         rval = QLA_SUCCESS;
4890
4891         /* Determine NVRAM starting address. */
4892         ha->nvram_size = sizeof(*nv);
4893         ha->nvram_base = 0;
4894         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
4895                 if ((rd_reg_word(&reg->ctrl_status) >> 14) == 1)
4896                         ha->nvram_base = 0x80;
4897
4898         /* Get NVRAM data and calculate checksum. */
4899         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4900         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
4901                 chksum += *ptr++;
4902
4903         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
4904             "Contents of NVRAM.\n");
4905         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4906             nv, ha->nvram_size);
4907
4908         /* Bad NVRAM data, set defaults parameters. */
4909         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
4910             nv->nvram_version < 1) {
4911                 /* Reset NVRAM data. */
4912                 ql_log(ql_log_warn, vha, 0x0064,
4913                     "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n",
4914                     chksum, nv->id, nv->nvram_version);
4915                 ql_log(ql_log_warn, vha, 0x0065,
4916                     "Falling back to "
4917                     "functioning (yet invalid -- WWPN) defaults.\n");
4918
4919                 /*
4920                  * Set default initialization control block.
4921                  */
4922                 memset(nv, 0, ha->nvram_size);
4923                 nv->parameter_block_version = ICB_VERSION;
4924
4925                 if (IS_QLA23XX(ha)) {
4926                         nv->firmware_options[0] = BIT_2 | BIT_1;
4927                         nv->firmware_options[1] = BIT_7 | BIT_5;
4928                         nv->add_firmware_options[0] = BIT_5;
4929                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4930                         nv->frame_payload_size = cpu_to_le16(2048);
4931                         nv->special_options[1] = BIT_7;
4932                 } else if (IS_QLA2200(ha)) {
4933                         nv->firmware_options[0] = BIT_2 | BIT_1;
4934                         nv->firmware_options[1] = BIT_7 | BIT_5;
4935                         nv->add_firmware_options[0] = BIT_5;
4936                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4937                         nv->frame_payload_size = cpu_to_le16(1024);
4938                 } else if (IS_QLA2100(ha)) {
4939                         nv->firmware_options[0] = BIT_3 | BIT_1;
4940                         nv->firmware_options[1] = BIT_5;
4941                         nv->frame_payload_size = cpu_to_le16(1024);
4942                 }
4943
4944                 nv->max_iocb_allocation = cpu_to_le16(256);
4945                 nv->execution_throttle = cpu_to_le16(16);
4946                 nv->retry_count = 8;
4947                 nv->retry_delay = 1;
4948
4949                 nv->port_name[0] = 33;
4950                 nv->port_name[3] = 224;
4951                 nv->port_name[4] = 139;
4952
4953                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4954
4955                 nv->login_timeout = 4;
4956
4957                 /*
4958                  * Set default host adapter parameters
4959                  */
4960                 nv->host_p[1] = BIT_2;
4961                 nv->reset_delay = 5;
4962                 nv->port_down_retry_count = 8;
4963                 nv->max_luns_per_target = cpu_to_le16(8);
4964                 nv->link_down_timeout = 60;
4965
4966                 rval = 1;
4967         }
4968
4969         /* Reset Initialization control block */
4970         memset(icb, 0, ha->init_cb_size);
4971
4972         /*
4973          * Setup driver NVRAM options.
4974          */
4975         nv->firmware_options[0] |= (BIT_6 | BIT_1);
4976         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
4977         nv->firmware_options[1] |= (BIT_5 | BIT_0);
4978         nv->firmware_options[1] &= ~BIT_4;
4979
4980         if (IS_QLA23XX(ha)) {
4981                 nv->firmware_options[0] |= BIT_2;
4982                 nv->firmware_options[0] &= ~BIT_3;
4983                 nv->special_options[0] &= ~BIT_6;
4984                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
4985
4986                 if (IS_QLA2300(ha)) {
4987                         if (ha->fb_rev == FPM_2310) {
4988                                 strcpy(ha->model_number, "QLA2310");
4989                         } else {
4990                                 strcpy(ha->model_number, "QLA2300");
4991                         }
4992                 } else {
4993                         qla2x00_set_model_info(vha, nv->model_number,
4994                             sizeof(nv->model_number), "QLA23xx");
4995                 }
4996         } else if (IS_QLA2200(ha)) {
4997                 nv->firmware_options[0] |= BIT_2;
4998                 /*
4999                  * 'Point-to-point preferred, else loop' is not a safe
5000                  * connection mode setting.
5001                  */
5002                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
5003                     (BIT_5 | BIT_4)) {
5004                         /* Force 'loop preferred, else point-to-point'. */
5005                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
5006                         nv->add_firmware_options[0] |= BIT_5;
5007                 }
5008                 strcpy(ha->model_number, "QLA22xx");
5009         } else /*if (IS_QLA2100(ha))*/ {
5010                 strcpy(ha->model_number, "QLA2100");
5011         }
5012
5013         /*
5014          * Copy over NVRAM RISC parameter block to initialization control block.
5015          */
5016         dptr1 = (uint8_t *)icb;
5017         dptr2 = (uint8_t *)&nv->parameter_block_version;
5018         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
5019         while (cnt--)
5020                 *dptr1++ = *dptr2++;
5021
5022         /* Copy 2nd half. */
5023         dptr1 = (uint8_t *)icb->add_firmware_options;
5024         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
5025         while (cnt--)
5026                 *dptr1++ = *dptr2++;
5027         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
5028         /* Use alternate WWN? */
5029         if (nv->host_p[1] & BIT_7) {
5030                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5031                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5032         }
5033
5034         /* Prepare nodename */
5035         if ((icb->firmware_options[1] & BIT_6) == 0) {
5036                 /*
5037                  * Firmware will apply the following mask if the nodename was
5038                  * not provided.
5039                  */
5040                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5041                 icb->node_name[0] &= 0xF0;
5042         }
5043
5044         /*
5045          * Set host adapter parameters.
5046          */
5047
5048         /*
5049          * BIT_7 in the host-parameters section allows for modification to
5050          * internal driver logging.
5051          */
5052         if (nv->host_p[0] & BIT_7)
5053                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
5054         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
5055         /* Always load RISC code on non ISP2[12]00 chips. */
5056         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
5057                 ha->flags.disable_risc_code_load = 0;
5058         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
5059         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
5060         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
5061         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
5062         ha->flags.disable_serdes = 0;
5063
5064         ha->operating_mode =
5065             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
5066
5067         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
5068             sizeof(ha->fw_seriallink_options));
5069
5070         /* save HBA serial number */
5071         ha->serial0 = icb->port_name[5];
5072         ha->serial1 = icb->port_name[6];
5073         ha->serial2 = icb->port_name[7];
5074         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5075         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5076
5077         icb->execution_throttle = cpu_to_le16(0xFFFF);
5078
5079         ha->retry_count = nv->retry_count;
5080
5081         /* Set minimum login_timeout to 4 seconds. */
5082         if (nv->login_timeout != ql2xlogintimeout)
5083                 nv->login_timeout = ql2xlogintimeout;
5084         if (nv->login_timeout < 4)
5085                 nv->login_timeout = 4;
5086         ha->login_timeout = nv->login_timeout;
5087
5088         /* Set minimum RATOV to 100 tenths of a second. */
5089         ha->r_a_tov = 100;
5090
5091         ha->loop_reset_delay = nv->reset_delay;
5092
5093         /* Link Down Timeout = 0:
5094          *
5095          *      When Port Down timer expires we will start returning
5096          *      I/O's to OS with "DID_NO_CONNECT".
5097          *
5098          * Link Down Timeout != 0:
5099          *
5100          *       The driver waits for the link to come up after link down
5101          *       before returning I/Os to OS with "DID_NO_CONNECT".
5102          */
5103         if (nv->link_down_timeout == 0) {
5104                 ha->loop_down_abort_time =
5105                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5106         } else {
5107                 ha->link_down_timeout =  nv->link_down_timeout;
5108                 ha->loop_down_abort_time =
5109                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5110         }
5111
5112         /*
5113          * Need enough time to try and get the port back.
5114          */
5115         ha->port_down_retry_count = nv->port_down_retry_count;
5116         if (qlport_down_retry)
5117                 ha->port_down_retry_count = qlport_down_retry;
5118         /* Set login_retry_count */
5119         ha->login_retry_count  = nv->retry_count;
5120         if (ha->port_down_retry_count == nv->port_down_retry_count &&
5121             ha->port_down_retry_count > 3)
5122                 ha->login_retry_count = ha->port_down_retry_count;
5123         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5124                 ha->login_retry_count = ha->port_down_retry_count;
5125         if (ql2xloginretrycount)
5126                 ha->login_retry_count = ql2xloginretrycount;
5127
5128         icb->lun_enables = cpu_to_le16(0);
5129         icb->command_resource_count = 0;
5130         icb->immediate_notify_resource_count = 0;
5131         icb->timeout = cpu_to_le16(0);
5132
5133         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
5134                 /* Enable RIO */
5135                 icb->firmware_options[0] &= ~BIT_3;
5136                 icb->add_firmware_options[0] &=
5137                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
5138                 icb->add_firmware_options[0] |= BIT_2;
5139                 icb->response_accumulation_timer = 3;
5140                 icb->interrupt_delay_timer = 5;
5141
5142                 vha->flags.process_response_queue = 1;
5143         } else {
5144                 /* Enable ZIO. */
5145                 if (!vha->flags.init_done) {
5146                         ha->zio_mode = icb->add_firmware_options[0] &
5147                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5148                         ha->zio_timer = icb->interrupt_delay_timer ?
5149                             icb->interrupt_delay_timer : 2;
5150                 }
5151                 icb->add_firmware_options[0] &=
5152                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
5153                 vha->flags.process_response_queue = 0;
5154                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5155                         ha->zio_mode = QLA_ZIO_MODE_6;
5156
5157                         ql_log(ql_log_info, vha, 0x0068,
5158                             "ZIO mode %d enabled; timer delay (%d us).\n",
5159                             ha->zio_mode, ha->zio_timer * 100);
5160
5161                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
5162                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
5163                         vha->flags.process_response_queue = 1;
5164                 }
5165         }
5166
5167         if (rval) {
5168                 ql_log(ql_log_warn, vha, 0x0069,
5169                     "NVRAM configuration failed.\n");
5170         }
5171         return (rval);
5172 }
5173
5174 static void
5175 qla2x00_rport_del(void *data)
5176 {
5177         fc_port_t *fcport = data;
5178         struct fc_rport *rport;
5179         unsigned long flags;
5180
5181         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5182         rport = fcport->drport ? fcport->drport : fcport->rport;
5183         fcport->drport = NULL;
5184         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5185         if (rport) {
5186                 ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
5187                     "%s %8phN. rport %p roles %x\n",
5188                     __func__, fcport->port_name, rport,
5189                     rport->roles);
5190
5191                 fc_remote_port_delete(rport);
5192         }
5193 }
5194
5195 void qla2x00_set_fcport_state(fc_port_t *fcport, int state)
5196 {
5197         int old_state;
5198
5199         old_state = atomic_read(&fcport->state);
5200         atomic_set(&fcport->state, state);
5201
5202         /* Don't print state transitions during initial allocation of fcport */
5203         if (old_state && old_state != state) {
5204                 ql_dbg(ql_dbg_disc, fcport->vha, 0x207d,
5205                        "FCPort %8phC state transitioned from %s to %s - portid=%02x%02x%02x.\n",
5206                        fcport->port_name, port_state_str[old_state],
5207                        port_state_str[state], fcport->d_id.b.domain,
5208                        fcport->d_id.b.area, fcport->d_id.b.al_pa);
5209         }
5210 }
5211
5212 /**
5213  * qla2x00_alloc_fcport() - Allocate a generic fcport.
5214  * @vha: HA context
5215  * @flags: allocation flags
5216  *
5217  * Returns a pointer to the allocated fcport, or NULL, if none available.
5218  */
5219 fc_port_t *
5220 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
5221 {
5222         fc_port_t *fcport;
5223
5224         fcport = kzalloc(sizeof(fc_port_t), flags);
5225         if (!fcport)
5226                 return NULL;
5227
5228         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
5229                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
5230                 flags);
5231         if (!fcport->ct_desc.ct_sns) {
5232                 ql_log(ql_log_warn, vha, 0xd049,
5233                     "Failed to allocate ct_sns request.\n");
5234                 kfree(fcport);
5235                 return NULL;
5236         }
5237
5238         /* Setup fcport template structure. */
5239         fcport->vha = vha;
5240         fcport->port_type = FCT_UNKNOWN;
5241         fcport->loop_id = FC_NO_LOOP_ID;
5242         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
5243         fcport->supported_classes = FC_COS_UNSPECIFIED;
5244         fcport->fp_speed = PORT_SPEED_UNKNOWN;
5245
5246         fcport->disc_state = DSC_DELETED;
5247         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
5248         fcport->deleted = QLA_SESS_DELETED;
5249         fcport->login_retry = vha->hw->login_retry_count;
5250         fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5251         fcport->logout_on_delete = 1;
5252         fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
5253         fcport->tgt_short_link_down_cnt = 0;
5254         fcport->dev_loss_tmo = 0;
5255
5256         if (!fcport->ct_desc.ct_sns) {
5257                 ql_log(ql_log_warn, vha, 0xd049,
5258                     "Failed to allocate ct_sns request.\n");
5259                 kfree(fcport);
5260                 return NULL;
5261         }
5262
5263         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
5264         INIT_WORK(&fcport->free_work, qlt_free_session_done);
5265         INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
5266         INIT_LIST_HEAD(&fcport->gnl_entry);
5267         INIT_LIST_HEAD(&fcport->list);
5268
5269         INIT_LIST_HEAD(&fcport->sess_cmd_list);
5270         spin_lock_init(&fcport->sess_cmd_lock);
5271
5272         spin_lock_init(&fcport->edif.sa_list_lock);
5273         INIT_LIST_HEAD(&fcport->edif.tx_sa_list);
5274         INIT_LIST_HEAD(&fcport->edif.rx_sa_list);
5275
5276         if (vha->e_dbell.db_flags == EDB_ACTIVE)
5277                 fcport->edif.app_started = 1;
5278
5279         spin_lock_init(&fcport->edif.indx_list_lock);
5280         INIT_LIST_HEAD(&fcport->edif.edif_indx_list);
5281
5282         return fcport;
5283 }
5284
5285 void
5286 qla2x00_free_fcport(fc_port_t *fcport)
5287 {
5288         if (fcport->ct_desc.ct_sns) {
5289                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
5290                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
5291                         fcport->ct_desc.ct_sns_dma);
5292
5293                 fcport->ct_desc.ct_sns = NULL;
5294         }
5295
5296         qla_edif_flush_sa_ctl_lists(fcport);
5297         list_del(&fcport->list);
5298         qla2x00_clear_loop_id(fcport);
5299
5300         qla_edif_list_del(fcport);
5301
5302         kfree(fcport);
5303 }
5304
5305 static void qla_get_login_template(scsi_qla_host_t *vha)
5306 {
5307         struct qla_hw_data *ha = vha->hw;
5308         int rval;
5309         u32 *bp, sz;
5310         __be32 *q;
5311
5312         memset(ha->init_cb, 0, ha->init_cb_size);
5313         sz = min_t(int, sizeof(struct fc_els_flogi), ha->init_cb_size);
5314         rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
5315                                             ha->init_cb, sz);
5316         if (rval != QLA_SUCCESS) {
5317                 ql_dbg(ql_dbg_init, vha, 0x00d1,
5318                        "PLOGI ELS param read fail.\n");
5319                 return;
5320         }
5321         q = (__be32 *)&ha->plogi_els_payld.fl_csp;
5322
5323         bp = (uint32_t *)ha->init_cb;
5324         cpu_to_be32_array(q, bp, sz / 4);
5325         ha->flags.plogi_template_valid = 1;
5326 }
5327
5328 /*
5329  * qla2x00_configure_loop
5330  *      Updates Fibre Channel Device Database with what is actually on loop.
5331  *
5332  * Input:
5333  *      ha                = adapter block pointer.
5334  *
5335  * Returns:
5336  *      0 = success.
5337  *      1 = error.
5338  *      2 = database was full and device was not configured.
5339  */
5340 static int
5341 qla2x00_configure_loop(scsi_qla_host_t *vha)
5342 {
5343         int  rval;
5344         unsigned long flags, save_flags;
5345         struct qla_hw_data *ha = vha->hw;
5346
5347         rval = QLA_SUCCESS;
5348
5349         /* Get Initiator ID */
5350         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
5351                 rval = qla2x00_configure_hba(vha);
5352                 if (rval != QLA_SUCCESS) {
5353                         ql_dbg(ql_dbg_disc, vha, 0x2013,
5354                             "Unable to configure HBA.\n");
5355                         return (rval);
5356                 }
5357         }
5358
5359         save_flags = flags = vha->dpc_flags;
5360         ql_dbg(ql_dbg_disc, vha, 0x2014,
5361             "Configure loop -- dpc flags = 0x%lx.\n", flags);
5362
5363         /*
5364          * If we have both an RSCN and PORT UPDATE pending then handle them
5365          * both at the same time.
5366          */
5367         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5368         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
5369
5370         qla2x00_get_data_rate(vha);
5371         qla_get_login_template(vha);
5372
5373         /* Determine what we need to do */
5374         if ((ha->current_topology == ISP_CFG_FL ||
5375             ha->current_topology == ISP_CFG_F) &&
5376             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
5377
5378                 set_bit(RSCN_UPDATE, &flags);
5379                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
5380
5381         } else if (ha->current_topology == ISP_CFG_NL ||
5382                    ha->current_topology == ISP_CFG_N) {
5383                 clear_bit(RSCN_UPDATE, &flags);
5384                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5385         } else if (!vha->flags.online ||
5386             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
5387                 set_bit(RSCN_UPDATE, &flags);
5388                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5389         }
5390
5391         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
5392                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5393                         ql_dbg(ql_dbg_disc, vha, 0x2015,
5394                             "Loop resync needed, failing.\n");
5395                         rval = QLA_FUNCTION_FAILED;
5396                 } else
5397                         rval = qla2x00_configure_local_loop(vha);
5398         }
5399
5400         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
5401                 if (LOOP_TRANSITION(vha)) {
5402                         ql_dbg(ql_dbg_disc, vha, 0x2099,
5403                             "Needs RSCN update and loop transition.\n");
5404                         rval = QLA_FUNCTION_FAILED;
5405                 }
5406                 else
5407                         rval = qla2x00_configure_fabric(vha);
5408         }
5409
5410         if (rval == QLA_SUCCESS) {
5411                 if (atomic_read(&vha->loop_down_timer) ||
5412                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5413                         rval = QLA_FUNCTION_FAILED;
5414                 } else {
5415                         atomic_set(&vha->loop_state, LOOP_READY);
5416                         ql_dbg(ql_dbg_disc, vha, 0x2069,
5417                             "LOOP READY.\n");
5418                         ha->flags.fw_init_done = 1;
5419
5420                         /*
5421                          * use link up to wake up app to get ready for
5422                          * authentication.
5423                          */
5424                         if (ha->flags.edif_enabled && DBELL_INACTIVE(vha))
5425                                 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP,
5426                                                       ha->link_data_rate);
5427
5428                         /*
5429                          * Process any ATIO queue entries that came in
5430                          * while we weren't online.
5431                          */
5432                         if (qla_tgt_mode_enabled(vha) ||
5433                             qla_dual_mode_enabled(vha)) {
5434                                 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
5435                                 qlt_24xx_process_atio_queue(vha, 0);
5436                                 spin_unlock_irqrestore(&ha->tgt.atio_lock,
5437                                     flags);
5438                         }
5439                 }
5440         }
5441
5442         if (rval) {
5443                 ql_dbg(ql_dbg_disc, vha, 0x206a,
5444                     "%s *** FAILED ***.\n", __func__);
5445         } else {
5446                 ql_dbg(ql_dbg_disc, vha, 0x206b,
5447                     "%s: exiting normally. local port wwpn %8phN id %06x)\n",
5448                     __func__, vha->port_name, vha->d_id.b24);
5449         }
5450
5451         /* Restore state if a resync event occurred during processing */
5452         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5453                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
5454                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5455                 if (test_bit(RSCN_UPDATE, &save_flags)) {
5456                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
5457                 }
5458         }
5459
5460         return (rval);
5461 }
5462
5463 static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha)
5464 {
5465         unsigned long flags;
5466         fc_port_t *fcport;
5467
5468         ql_dbg(ql_dbg_disc, vha, 0x206a, "%s %d.\n", __func__, __LINE__);
5469
5470         if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags))
5471                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5472
5473         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5474                 if (fcport->n2n_flag) {
5475                         qla24xx_fcport_handle_login(vha, fcport);
5476                         return QLA_SUCCESS;
5477                 }
5478         }
5479
5480         spin_lock_irqsave(&vha->work_lock, flags);
5481         vha->scan.scan_retry++;
5482         spin_unlock_irqrestore(&vha->work_lock, flags);
5483
5484         if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5485                 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5486                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5487         }
5488         return QLA_FUNCTION_FAILED;
5489 }
5490
5491 /*
5492  * qla2x00_configure_local_loop
5493  *      Updates Fibre Channel Device Database with local loop devices.
5494  *
5495  * Input:
5496  *      ha = adapter block pointer.
5497  *
5498  * Returns:
5499  *      0 = success.
5500  */
5501 static int
5502 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
5503 {
5504         int             rval, rval2;
5505         int             found_devs;
5506         int             found;
5507         fc_port_t       *fcport, *new_fcport;
5508         uint16_t        index;
5509         uint16_t        entries;
5510         struct gid_list_info *gid;
5511         uint16_t        loop_id;
5512         uint8_t         domain, area, al_pa;
5513         struct qla_hw_data *ha = vha->hw;
5514         unsigned long flags;
5515
5516         /* Inititae N2N login. */
5517         if (N2N_TOPO(ha))
5518                 return qla2x00_configure_n2n_loop(vha);
5519
5520         found_devs = 0;
5521         new_fcport = NULL;
5522         entries = MAX_FIBRE_DEVICES_LOOP;
5523
5524         /* Get list of logged in devices. */
5525         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
5526         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
5527             &entries);
5528         if (rval != QLA_SUCCESS)
5529                 goto err;
5530
5531         ql_dbg(ql_dbg_disc, vha, 0x2011,
5532             "Entries in ID list (%d).\n", entries);
5533         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
5534             ha->gid_list, entries * sizeof(*ha->gid_list));
5535
5536         if (entries == 0) {
5537                 spin_lock_irqsave(&vha->work_lock, flags);
5538                 vha->scan.scan_retry++;
5539                 spin_unlock_irqrestore(&vha->work_lock, flags);
5540
5541                 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5542                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5543                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5544                 }
5545         } else {
5546                 vha->scan.scan_retry = 0;
5547         }
5548
5549         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5550                 fcport->scan_state = QLA_FCPORT_SCAN;
5551         }
5552
5553         /* Allocate temporary fcport for any new fcports discovered. */
5554         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5555         if (new_fcport == NULL) {
5556                 ql_log(ql_log_warn, vha, 0x2012,
5557                     "Memory allocation failed for fcport.\n");
5558                 rval = QLA_MEMORY_ALLOC_FAILED;
5559                 goto err;
5560         }
5561         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5562
5563         /* Add devices to port list. */
5564         gid = ha->gid_list;
5565         for (index = 0; index < entries; index++) {
5566                 domain = gid->domain;
5567                 area = gid->area;
5568                 al_pa = gid->al_pa;
5569                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
5570                         loop_id = gid->loop_id_2100;
5571                 else
5572                         loop_id = le16_to_cpu(gid->loop_id);
5573                 gid = (void *)gid + ha->gid_list_info_size;
5574
5575                 /* Bypass reserved domain fields. */
5576                 if ((domain & 0xf0) == 0xf0)
5577                         continue;
5578
5579                 /* Bypass if not same domain and area of adapter. */
5580                 if (area && domain && ((area != vha->d_id.b.area) ||
5581                     (domain != vha->d_id.b.domain)) &&
5582                     (ha->current_topology == ISP_CFG_NL))
5583                         continue;
5584
5585
5586                 /* Bypass invalid local loop ID. */
5587                 if (loop_id > LAST_LOCAL_LOOP_ID)
5588                         continue;
5589
5590                 memset(new_fcport->port_name, 0, WWN_SIZE);
5591
5592                 /* Fill in member data. */
5593                 new_fcport->d_id.b.domain = domain;
5594                 new_fcport->d_id.b.area = area;
5595                 new_fcport->d_id.b.al_pa = al_pa;
5596                 new_fcport->loop_id = loop_id;
5597                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5598
5599                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5600                 if (rval2 != QLA_SUCCESS) {
5601                         ql_dbg(ql_dbg_disc, vha, 0x2097,
5602                             "Failed to retrieve fcport information "
5603                             "-- get_port_database=%x, loop_id=0x%04x.\n",
5604                             rval2, new_fcport->loop_id);
5605                         /* Skip retry if N2N */
5606                         if (ha->current_topology != ISP_CFG_N) {
5607                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
5608                                     "Scheduling resync.\n");
5609                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5610                                 continue;
5611                         }
5612                 }
5613
5614                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5615                 /* Check for matching device in port list. */
5616                 found = 0;
5617                 fcport = NULL;
5618                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5619                         if (memcmp(new_fcport->port_name, fcport->port_name,
5620                             WWN_SIZE))
5621                                 continue;
5622
5623                         fcport->flags &= ~FCF_FABRIC_DEVICE;
5624                         fcport->loop_id = new_fcport->loop_id;
5625                         fcport->port_type = new_fcport->port_type;
5626                         fcport->d_id.b24 = new_fcport->d_id.b24;
5627                         memcpy(fcport->node_name, new_fcport->node_name,
5628                             WWN_SIZE);
5629                         fcport->scan_state = QLA_FCPORT_FOUND;
5630                         if (fcport->login_retry == 0) {
5631                                 fcport->login_retry = vha->hw->login_retry_count;
5632                                 ql_dbg(ql_dbg_disc, vha, 0x2135,
5633                                     "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n",
5634                                     fcport->port_name, fcport->loop_id,
5635                                     fcport->login_retry);
5636                         }
5637                         found++;
5638                         break;
5639                 }
5640
5641                 if (!found) {
5642                         /* New device, add to fcports list. */
5643                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
5644
5645                         /* Allocate a new replacement fcport. */
5646                         fcport = new_fcport;
5647
5648                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5649
5650                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5651
5652                         if (new_fcport == NULL) {
5653                                 ql_log(ql_log_warn, vha, 0xd031,
5654                                     "Failed to allocate memory for fcport.\n");
5655                                 rval = QLA_MEMORY_ALLOC_FAILED;
5656                                 goto err;
5657                         }
5658                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5659                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5660                 }
5661
5662                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5663
5664                 /* Base iIDMA settings on HBA port speed. */
5665                 fcport->fp_speed = ha->link_data_rate;
5666
5667                 found_devs++;
5668         }
5669
5670         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5671                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5672                         break;
5673
5674                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5675                         if ((qla_dual_mode_enabled(vha) ||
5676                             qla_ini_mode_enabled(vha)) &&
5677                             atomic_read(&fcport->state) == FCS_ONLINE) {
5678                                 qla2x00_mark_device_lost(vha, fcport,
5679                                         ql2xplogiabsentdevice);
5680                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5681                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5682                                     fcport->port_type != FCT_INITIATOR &&
5683                                     fcport->port_type != FCT_BROADCAST) {
5684                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5685                                             "%s %d %8phC post del sess\n",
5686                                             __func__, __LINE__,
5687                                             fcport->port_name);
5688
5689                                         qlt_schedule_sess_for_deletion(fcport);
5690                                         continue;
5691                                 }
5692                         }
5693                 }
5694
5695                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5696                         qla24xx_fcport_handle_login(vha, fcport);
5697         }
5698
5699         qla2x00_free_fcport(new_fcport);
5700
5701         return rval;
5702
5703 err:
5704         ql_dbg(ql_dbg_disc, vha, 0x2098,
5705                "Configure local loop error exit: rval=%x.\n", rval);
5706         return rval;
5707 }
5708
5709 static void
5710 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5711 {
5712         int rval;
5713         uint16_t mb[MAILBOX_REGISTER_COUNT];
5714         struct qla_hw_data *ha = vha->hw;
5715
5716         if (!IS_IIDMA_CAPABLE(ha))
5717                 return;
5718
5719         if (atomic_read(&fcport->state) != FCS_ONLINE)
5720                 return;
5721
5722         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5723             fcport->fp_speed > ha->link_data_rate ||
5724             !ha->flags.gpsc_supported)
5725                 return;
5726
5727         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5728             mb);
5729         if (rval != QLA_SUCCESS) {
5730                 ql_dbg(ql_dbg_disc, vha, 0x2004,
5731                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5732                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5733         } else {
5734                 ql_dbg(ql_dbg_disc, vha, 0x2005,
5735                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5736                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5737                     fcport->fp_speed, fcport->port_name);
5738         }
5739 }
5740
5741 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5742 {
5743         qla2x00_iidma_fcport(vha, fcport);
5744         qla24xx_update_fcport_fcp_prio(vha, fcport);
5745 }
5746
5747 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5748 {
5749         struct qla_work_evt *e;
5750
5751         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5752         if (!e)
5753                 return QLA_FUNCTION_FAILED;
5754
5755         e->u.fcport.fcport = fcport;
5756         return qla2x00_post_work(vha, e);
5757 }
5758
5759 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5760 static void
5761 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5762 {
5763         struct fc_rport_identifiers rport_ids;
5764         struct fc_rport *rport;
5765         unsigned long flags;
5766
5767         if (atomic_read(&fcport->state) == FCS_ONLINE)
5768                 return;
5769
5770         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5771
5772         rport_ids.node_name = wwn_to_u64(fcport->node_name);
5773         rport_ids.port_name = wwn_to_u64(fcport->port_name);
5774         rport_ids.port_id = fcport->d_id.b.domain << 16 |
5775             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5776         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5777         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5778         if (!rport) {
5779                 ql_log(ql_log_warn, vha, 0x2006,
5780                     "Unable to allocate fc remote port.\n");
5781                 return;
5782         }
5783
5784         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5785         *((fc_port_t **)rport->dd_data) = fcport;
5786         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5787         fcport->dev_loss_tmo = rport->dev_loss_tmo;
5788
5789         rport->supported_classes = fcport->supported_classes;
5790
5791         rport_ids.roles = FC_PORT_ROLE_UNKNOWN;
5792         if (fcport->port_type == FCT_INITIATOR)
5793                 rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR;
5794         if (fcport->port_type == FCT_TARGET)
5795                 rport_ids.roles |= FC_PORT_ROLE_FCP_TARGET;
5796         if (fcport->port_type & FCT_NVME_INITIATOR)
5797                 rport_ids.roles |= FC_PORT_ROLE_NVME_INITIATOR;
5798         if (fcport->port_type & FCT_NVME_TARGET)
5799                 rport_ids.roles |= FC_PORT_ROLE_NVME_TARGET;
5800         if (fcport->port_type & FCT_NVME_DISCOVERY)
5801                 rport_ids.roles |= FC_PORT_ROLE_NVME_DISCOVERY;
5802
5803         fc_remote_port_rolechg(rport, rport_ids.roles);
5804
5805         ql_dbg(ql_dbg_disc, vha, 0x20ee,
5806             "%s: %8phN. rport %ld:0:%d (%p) is %s mode\n",
5807             __func__, fcport->port_name, vha->host_no,
5808             rport->scsi_target_id, rport,
5809             (fcport->port_type == FCT_TARGET) ? "tgt" :
5810             ((fcport->port_type & FCT_NVME) ? "nvme" : "ini"));
5811 }
5812
5813 /*
5814  * qla2x00_update_fcport
5815  *      Updates device on list.
5816  *
5817  * Input:
5818  *      ha = adapter block pointer.
5819  *      fcport = port structure pointer.
5820  *
5821  * Return:
5822  *      0  - Success
5823  *  BIT_0 - error
5824  *
5825  * Context:
5826  *      Kernel context.
5827  */
5828 void
5829 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5830 {
5831         if (IS_SW_RESV_ADDR(fcport->d_id))
5832                 return;
5833
5834         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5835             __func__, fcport->port_name);
5836
5837         qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5838         fcport->login_retry = vha->hw->login_retry_count;
5839         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5840         fcport->deleted = 0;
5841         if (vha->hw->current_topology == ISP_CFG_NL)
5842                 fcport->logout_on_delete = 0;
5843         else
5844                 fcport->logout_on_delete = 1;
5845         fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
5846
5847         if (fcport->tgt_link_down_time < fcport->dev_loss_tmo) {
5848                 fcport->tgt_short_link_down_cnt++;
5849                 fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
5850         }
5851
5852         switch (vha->hw->current_topology) {
5853         case ISP_CFG_N:
5854         case ISP_CFG_NL:
5855                 fcport->keep_nport_handle = 1;
5856                 break;
5857         default:
5858                 break;
5859         }
5860
5861         qla2x00_iidma_fcport(vha, fcport);
5862
5863         qla2x00_dfs_create_rport(vha, fcport);
5864
5865         qla24xx_update_fcport_fcp_prio(vha, fcport);
5866
5867         switch (vha->host->active_mode) {
5868         case MODE_INITIATOR:
5869                 qla2x00_reg_remote_port(vha, fcport);
5870                 break;
5871         case MODE_TARGET:
5872                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5873                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5874                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5875                         qlt_fc_port_added(vha, fcport);
5876                 break;
5877         case MODE_DUAL:
5878                 qla2x00_reg_remote_port(vha, fcport);
5879                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5880                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5881                         qlt_fc_port_added(vha, fcport);
5882                 break;
5883         default:
5884                 break;
5885         }
5886
5887         if (NVME_TARGET(vha->hw, fcport))
5888                 qla_nvme_register_remote(vha, fcport);
5889
5890         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5891                 if (fcport->id_changed) {
5892                         fcport->id_changed = 0;
5893                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5894                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
5895                             __func__, __LINE__, fcport->port_name,
5896                             vha->fcport_count);
5897                         qla24xx_post_gfpnid_work(vha, fcport);
5898                 } else {
5899                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5900                             "%s %d %8phC post gpsc fcp_cnt %d\n",
5901                             __func__, __LINE__, fcport->port_name,
5902                             vha->fcport_count);
5903                         qla24xx_post_gpsc_work(vha, fcport);
5904                 }
5905         }
5906
5907         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5908 }
5909
5910 void qla_register_fcport_fn(struct work_struct *work)
5911 {
5912         fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
5913         u32 rscn_gen = fcport->rscn_gen;
5914         u16 data[2];
5915
5916         if (IS_SW_RESV_ADDR(fcport->d_id))
5917                 return;
5918
5919         qla2x00_update_fcport(fcport->vha, fcport);
5920
5921         ql_dbg(ql_dbg_disc, fcport->vha, 0x911e,
5922                "%s rscn gen %d/%d next DS %d\n", __func__,
5923                rscn_gen, fcport->rscn_gen, fcport->next_disc_state);
5924
5925         if (rscn_gen != fcport->rscn_gen) {
5926                 /* RSCN(s) came in while registration */
5927                 switch (fcport->next_disc_state) {
5928                 case DSC_DELETE_PEND:
5929                         qlt_schedule_sess_for_deletion(fcport);
5930                         break;
5931                 case DSC_ADISC:
5932                         data[0] = data[1] = 0;
5933                         qla2x00_post_async_adisc_work(fcport->vha, fcport,
5934                             data);
5935                         break;
5936                 default:
5937                         break;
5938                 }
5939         }
5940 }
5941
5942 /*
5943  * qla2x00_configure_fabric
5944  *      Setup SNS devices with loop ID's.
5945  *
5946  * Input:
5947  *      ha = adapter block pointer.
5948  *
5949  * Returns:
5950  *      0 = success.
5951  *      BIT_0 = error
5952  */
5953 static int
5954 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5955 {
5956         int     rval;
5957         fc_port_t       *fcport;
5958         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5959         uint16_t        loop_id;
5960         LIST_HEAD(new_fcports);
5961         struct qla_hw_data *ha = vha->hw;
5962         int             discovery_gen;
5963
5964         /* If FL port exists, then SNS is present */
5965         if (IS_FWI2_CAPABLE(ha))
5966                 loop_id = NPH_F_PORT;
5967         else
5968                 loop_id = SNS_FL_PORT;
5969         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5970         if (rval != QLA_SUCCESS) {
5971                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
5972                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
5973
5974                 vha->device_flags &= ~SWITCH_FOUND;
5975                 return (QLA_SUCCESS);
5976         }
5977         vha->device_flags |= SWITCH_FOUND;
5978
5979         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_port_name, 0);
5980         if (rval != QLA_SUCCESS)
5981                 ql_dbg(ql_dbg_disc, vha, 0x20ff,
5982                     "Failed to get Fabric Port Name\n");
5983
5984         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5985                 rval = qla2x00_send_change_request(vha, 0x3, 0);
5986                 if (rval != QLA_SUCCESS)
5987                         ql_log(ql_log_warn, vha, 0x121,
5988                             "Failed to enable receiving of RSCN requests: 0x%x.\n",
5989                             rval);
5990         }
5991
5992         do {
5993                 qla2x00_mgmt_svr_login(vha);
5994
5995                 /* Ensure we are logged into the SNS. */
5996                 loop_id = NPH_SNS_LID(ha);
5997                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5998                     0xfc, mb, BIT_1|BIT_0);
5999                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
6000                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
6001                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
6002                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
6003                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6004                         return rval;
6005                 }
6006
6007                 /* FDMI support. */
6008                 if (ql2xfdmienable &&
6009                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
6010                         qla2x00_fdmi_register(vha);
6011
6012                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
6013                         if (qla2x00_rft_id(vha)) {
6014                                 /* EMPTY */
6015                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
6016                                     "Register FC-4 TYPE failed.\n");
6017                                 if (test_bit(LOOP_RESYNC_NEEDED,
6018                                     &vha->dpc_flags))
6019                                         break;
6020                         }
6021                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
6022                                 /* EMPTY */
6023                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
6024                                     "Register FC-4 Features failed.\n");
6025                                 if (test_bit(LOOP_RESYNC_NEEDED,
6026                                     &vha->dpc_flags))
6027                                         break;
6028                         }
6029                         if (vha->flags.nvme_enabled) {
6030                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
6031                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
6032                                             "Register NVME FC Type Features failed.\n");
6033                                 }
6034                         }
6035                         if (qla2x00_rnn_id(vha)) {
6036                                 /* EMPTY */
6037                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
6038                                     "Register Node Name failed.\n");
6039                                 if (test_bit(LOOP_RESYNC_NEEDED,
6040                                     &vha->dpc_flags))
6041                                         break;
6042                         } else if (qla2x00_rsnn_nn(vha)) {
6043                                 /* EMPTY */
6044                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
6045                                     "Register Symbolic Node Name failed.\n");
6046                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6047                                         break;
6048                         }
6049                 }
6050
6051
6052                 /* Mark the time right before querying FW for connected ports.
6053                  * This process is long, asynchronous and by the time it's done,
6054                  * collected information might not be accurate anymore. E.g.
6055                  * disconnected port might have re-connected and a brand new
6056                  * session has been created. In this case session's generation
6057                  * will be newer than discovery_gen. */
6058                 qlt_do_generation_tick(vha, &discovery_gen);
6059
6060                 if (USE_ASYNC_SCAN(ha)) {
6061                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
6062                             NULL);
6063                         if (rval)
6064                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6065                 } else  {
6066                         list_for_each_entry(fcport, &vha->vp_fcports, list)
6067                                 fcport->scan_state = QLA_FCPORT_SCAN;
6068
6069                         rval = qla2x00_find_all_fabric_devs(vha);
6070                 }
6071                 if (rval != QLA_SUCCESS)
6072                         break;
6073         } while (0);
6074
6075         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
6076                 qla_nvme_register_hba(vha);
6077
6078         if (rval)
6079                 ql_dbg(ql_dbg_disc, vha, 0x2068,
6080                     "Configure fabric error exit rval=%d.\n", rval);
6081
6082         return (rval);
6083 }
6084
6085 /*
6086  * qla2x00_find_all_fabric_devs
6087  *
6088  * Input:
6089  *      ha = adapter block pointer.
6090  *      dev = database device entry pointer.
6091  *
6092  * Returns:
6093  *      0 = success.
6094  *
6095  * Context:
6096  *      Kernel context.
6097  */
6098 static int
6099 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
6100 {
6101         int             rval;
6102         uint16_t        loop_id;
6103         fc_port_t       *fcport, *new_fcport;
6104         int             found;
6105
6106         sw_info_t       *swl;
6107         int             swl_idx;
6108         int             first_dev, last_dev;
6109         port_id_t       wrap = {}, nxt_d_id;
6110         struct qla_hw_data *ha = vha->hw;
6111         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6112         unsigned long flags;
6113
6114         rval = QLA_SUCCESS;
6115
6116         /* Try GID_PT to get device list, else GAN. */
6117         if (!ha->swl)
6118                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
6119                     GFP_KERNEL);
6120         swl = ha->swl;
6121         if (!swl) {
6122                 /*EMPTY*/
6123                 ql_dbg(ql_dbg_disc, vha, 0x209c,
6124                     "GID_PT allocations failed, fallback on GA_NXT.\n");
6125         } else {
6126                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
6127                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
6128                         swl = NULL;
6129                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6130                                 return rval;
6131                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
6132                         swl = NULL;
6133                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6134                                 return rval;
6135                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
6136                         swl = NULL;
6137                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6138                                 return rval;
6139                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
6140                         swl = NULL;
6141                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6142                                 return rval;
6143                 }
6144
6145                 /* If other queries succeeded probe for FC-4 type */
6146                 if (swl) {
6147                         qla2x00_gff_id(vha, swl);
6148                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6149                                 return rval;
6150                 }
6151         }
6152         swl_idx = 0;
6153
6154         /* Allocate temporary fcport for any new fcports discovered. */
6155         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
6156         if (new_fcport == NULL) {
6157                 ql_log(ql_log_warn, vha, 0x209d,
6158                     "Failed to allocate memory for fcport.\n");
6159                 return (QLA_MEMORY_ALLOC_FAILED);
6160         }
6161         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
6162         /* Set start port ID scan at adapter ID. */
6163         first_dev = 1;
6164         last_dev = 0;
6165
6166         /* Starting free loop ID. */
6167         loop_id = ha->min_external_loopid;
6168         for (; loop_id <= ha->max_loop_id; loop_id++) {
6169                 if (qla2x00_is_reserved_id(vha, loop_id))
6170                         continue;
6171
6172                 if (ha->current_topology == ISP_CFG_FL &&
6173                     (atomic_read(&vha->loop_down_timer) ||
6174                      LOOP_TRANSITION(vha))) {
6175                         atomic_set(&vha->loop_down_timer, 0);
6176                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6177                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
6178                         break;
6179                 }
6180
6181                 if (swl != NULL) {
6182                         if (last_dev) {
6183                                 wrap.b24 = new_fcport->d_id.b24;
6184                         } else {
6185                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
6186                                 memcpy(new_fcport->node_name,
6187                                     swl[swl_idx].node_name, WWN_SIZE);
6188                                 memcpy(new_fcport->port_name,
6189                                     swl[swl_idx].port_name, WWN_SIZE);
6190                                 memcpy(new_fcport->fabric_port_name,
6191                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
6192                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
6193                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
6194
6195                                 new_fcport->nvme_flag = 0;
6196                                 if (vha->flags.nvme_enabled &&
6197                                     swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) {
6198                                         ql_log(ql_log_info, vha, 0x2131,
6199                                             "FOUND: NVME port %8phC as FC Type 28h\n",
6200                                             new_fcport->port_name);
6201                                 }
6202
6203                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
6204                                         last_dev = 1;
6205                                 }
6206                                 swl_idx++;
6207                         }
6208                 } else {
6209                         /* Send GA_NXT to the switch */
6210                         rval = qla2x00_ga_nxt(vha, new_fcport);
6211                         if (rval != QLA_SUCCESS) {
6212                                 ql_log(ql_log_warn, vha, 0x209e,
6213                                     "SNS scan failed -- assuming "
6214                                     "zero-entry result.\n");
6215                                 rval = QLA_SUCCESS;
6216                                 break;
6217                         }
6218                 }
6219
6220                 /* If wrap on switch device list, exit. */
6221                 if (first_dev) {
6222                         wrap.b24 = new_fcport->d_id.b24;
6223                         first_dev = 0;
6224                 } else if (new_fcport->d_id.b24 == wrap.b24) {
6225                         ql_dbg(ql_dbg_disc, vha, 0x209f,
6226                             "Device wrap (%02x%02x%02x).\n",
6227                             new_fcport->d_id.b.domain,
6228                             new_fcport->d_id.b.area,
6229                             new_fcport->d_id.b.al_pa);
6230                         break;
6231                 }
6232
6233                 /* Bypass if same physical adapter. */
6234                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
6235                         continue;
6236
6237                 /* Bypass virtual ports of the same host. */
6238                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
6239                         continue;
6240
6241                 /* Bypass if same domain and area of adapter. */
6242                 if (((new_fcport->d_id.b24 & 0xffff00) ==
6243                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
6244                         ISP_CFG_FL)
6245                             continue;
6246
6247                 /* Bypass reserved domain fields. */
6248                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
6249                         continue;
6250
6251                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
6252                 if (ql2xgffidenable &&
6253                     (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) &&
6254                     new_fcport->fc4_type != 0))
6255                         continue;
6256
6257                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
6258
6259                 /* Locate matching device in database. */
6260                 found = 0;
6261                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6262                         if (memcmp(new_fcport->port_name, fcport->port_name,
6263                             WWN_SIZE))
6264                                 continue;
6265
6266                         fcport->scan_state = QLA_FCPORT_FOUND;
6267
6268                         found++;
6269
6270                         /* Update port state. */
6271                         memcpy(fcport->fabric_port_name,
6272                             new_fcport->fabric_port_name, WWN_SIZE);
6273                         fcport->fp_speed = new_fcport->fp_speed;
6274
6275                         /*
6276                          * If address the same and state FCS_ONLINE
6277                          * (or in target mode), nothing changed.
6278                          */
6279                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
6280                             (atomic_read(&fcport->state) == FCS_ONLINE ||
6281                              (vha->host->active_mode == MODE_TARGET))) {
6282                                 break;
6283                         }
6284
6285                         if (fcport->login_retry == 0)
6286                                 fcport->login_retry =
6287                                         vha->hw->login_retry_count;
6288                         /*
6289                          * If device was not a fabric device before.
6290                          */
6291                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
6292                                 fcport->d_id.b24 = new_fcport->d_id.b24;
6293                                 qla2x00_clear_loop_id(fcport);
6294                                 fcport->flags |= (FCF_FABRIC_DEVICE |
6295                                     FCF_LOGIN_NEEDED);
6296                                 break;
6297                         }
6298
6299                         /*
6300                          * Port ID changed or device was marked to be updated;
6301                          * Log it out if still logged in and mark it for
6302                          * relogin later.
6303                          */
6304                         if (qla_tgt_mode_enabled(base_vha)) {
6305                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
6306                                          "port changed FC ID, %8phC"
6307                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
6308                                          fcport->port_name,
6309                                          fcport->d_id.b.domain,
6310                                          fcport->d_id.b.area,
6311                                          fcport->d_id.b.al_pa,
6312                                          fcport->loop_id,
6313                                          new_fcport->d_id.b.domain,
6314                                          new_fcport->d_id.b.area,
6315                                          new_fcport->d_id.b.al_pa);
6316                                 fcport->d_id.b24 = new_fcport->d_id.b24;
6317                                 break;
6318                         }
6319
6320                         fcport->d_id.b24 = new_fcport->d_id.b24;
6321                         fcport->flags |= FCF_LOGIN_NEEDED;
6322                         break;
6323                 }
6324
6325                 if (found && NVME_TARGET(vha->hw, fcport)) {
6326                         if (fcport->disc_state == DSC_DELETE_PEND) {
6327                                 qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
6328                                 vha->fcport_count--;
6329                                 fcport->login_succ = 0;
6330                         }
6331                 }
6332
6333                 if (found) {
6334                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6335                         continue;
6336                 }
6337                 /* If device was not in our fcports list, then add it. */
6338                 new_fcport->scan_state = QLA_FCPORT_FOUND;
6339                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
6340
6341                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6342
6343
6344                 /* Allocate a new replacement fcport. */
6345                 nxt_d_id.b24 = new_fcport->d_id.b24;
6346                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
6347                 if (new_fcport == NULL) {
6348                         ql_log(ql_log_warn, vha, 0xd032,
6349                             "Memory allocation failed for fcport.\n");
6350                         return (QLA_MEMORY_ALLOC_FAILED);
6351                 }
6352                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
6353                 new_fcport->d_id.b24 = nxt_d_id.b24;
6354         }
6355
6356         qla2x00_free_fcport(new_fcport);
6357
6358         /*
6359          * Logout all previous fabric dev marked lost, except FCP2 devices.
6360          */
6361         list_for_each_entry(fcport, &vha->vp_fcports, list) {
6362                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6363                         break;
6364
6365                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
6366                         continue;
6367
6368                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
6369                         if ((qla_dual_mode_enabled(vha) ||
6370                             qla_ini_mode_enabled(vha)) &&
6371                             atomic_read(&fcport->state) == FCS_ONLINE) {
6372                                 qla2x00_mark_device_lost(vha, fcport,
6373                                         ql2xplogiabsentdevice);
6374                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
6375                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
6376                                     fcport->port_type != FCT_INITIATOR &&
6377                                     fcport->port_type != FCT_BROADCAST) {
6378                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
6379                                             "%s %d %8phC post del sess\n",
6380                                             __func__, __LINE__,
6381                                             fcport->port_name);
6382                                         qlt_schedule_sess_for_deletion(fcport);
6383                                         continue;
6384                                 }
6385                         }
6386                 }
6387
6388                 if (fcport->scan_state == QLA_FCPORT_FOUND &&
6389                     (fcport->flags & FCF_LOGIN_NEEDED) != 0)
6390                         qla24xx_fcport_handle_login(vha, fcport);
6391         }
6392         return (rval);
6393 }
6394
6395 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
6396 int
6397 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
6398 {
6399         int loop_id = FC_NO_LOOP_ID;
6400         int lid = NPH_MGMT_SERVER - vha->vp_idx;
6401         unsigned long flags;
6402         struct qla_hw_data *ha = vha->hw;
6403
6404         if (vha->vp_idx == 0) {
6405                 set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
6406                 return NPH_MGMT_SERVER;
6407         }
6408
6409         /* pick id from high and work down to low */
6410         spin_lock_irqsave(&ha->vport_slock, flags);
6411         for (; lid > 0; lid--) {
6412                 if (!test_bit(lid, vha->hw->loop_id_map)) {
6413                         set_bit(lid, vha->hw->loop_id_map);
6414                         loop_id = lid;
6415                         break;
6416                 }
6417         }
6418         spin_unlock_irqrestore(&ha->vport_slock, flags);
6419
6420         return loop_id;
6421 }
6422
6423 /*
6424  * qla2x00_fabric_login
6425  *      Issue fabric login command.
6426  *
6427  * Input:
6428  *      ha = adapter block pointer.
6429  *      device = pointer to FC device type structure.
6430  *
6431  * Returns:
6432  *      0 - Login successfully
6433  *      1 - Login failed
6434  *      2 - Initiator device
6435  *      3 - Fatal error
6436  */
6437 int
6438 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
6439     uint16_t *next_loopid)
6440 {
6441         int     rval;
6442         int     retry;
6443         uint16_t tmp_loopid;
6444         uint16_t mb[MAILBOX_REGISTER_COUNT];
6445         struct qla_hw_data *ha = vha->hw;
6446
6447         retry = 0;
6448         tmp_loopid = 0;
6449
6450         for (;;) {
6451                 ql_dbg(ql_dbg_disc, vha, 0x2000,
6452                     "Trying Fabric Login w/loop id 0x%04x for port "
6453                     "%02x%02x%02x.\n",
6454                     fcport->loop_id, fcport->d_id.b.domain,
6455                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
6456
6457                 /* Login fcport on switch. */
6458                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
6459                     fcport->d_id.b.domain, fcport->d_id.b.area,
6460                     fcport->d_id.b.al_pa, mb, BIT_0);
6461                 if (rval != QLA_SUCCESS) {
6462                         return rval;
6463                 }
6464                 if (mb[0] == MBS_PORT_ID_USED) {
6465                         /*
6466                          * Device has another loop ID.  The firmware team
6467                          * recommends the driver perform an implicit login with
6468                          * the specified ID again. The ID we just used is save
6469                          * here so we return with an ID that can be tried by
6470                          * the next login.
6471                          */
6472                         retry++;
6473                         tmp_loopid = fcport->loop_id;
6474                         fcport->loop_id = mb[1];
6475
6476                         ql_dbg(ql_dbg_disc, vha, 0x2001,
6477                             "Fabric Login: port in use - next loop "
6478                             "id=0x%04x, port id= %02x%02x%02x.\n",
6479                             fcport->loop_id, fcport->d_id.b.domain,
6480                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6481
6482                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
6483                         /*
6484                          * Login succeeded.
6485                          */
6486                         if (retry) {
6487                                 /* A retry occurred before. */
6488                                 *next_loopid = tmp_loopid;
6489                         } else {
6490                                 /*
6491                                  * No retry occurred before. Just increment the
6492                                  * ID value for next login.
6493                                  */
6494                                 *next_loopid = (fcport->loop_id + 1);
6495                         }
6496
6497                         if (mb[1] & BIT_0) {
6498                                 fcport->port_type = FCT_INITIATOR;
6499                         } else {
6500                                 fcport->port_type = FCT_TARGET;
6501                                 if (mb[1] & BIT_1) {
6502                                         fcport->flags |= FCF_FCP2_DEVICE;
6503                                 }
6504                         }
6505
6506                         if (mb[10] & BIT_0)
6507                                 fcport->supported_classes |= FC_COS_CLASS2;
6508                         if (mb[10] & BIT_1)
6509                                 fcport->supported_classes |= FC_COS_CLASS3;
6510
6511                         if (IS_FWI2_CAPABLE(ha)) {
6512                                 if (mb[10] & BIT_7)
6513                                         fcport->flags |=
6514                                             FCF_CONF_COMP_SUPPORTED;
6515                         }
6516
6517                         rval = QLA_SUCCESS;
6518                         break;
6519                 } else if (mb[0] == MBS_LOOP_ID_USED) {
6520                         /*
6521                          * Loop ID already used, try next loop ID.
6522                          */
6523                         fcport->loop_id++;
6524                         rval = qla2x00_find_new_loop_id(vha, fcport);
6525                         if (rval != QLA_SUCCESS) {
6526                                 /* Ran out of loop IDs to use */
6527                                 break;
6528                         }
6529                 } else if (mb[0] == MBS_COMMAND_ERROR) {
6530                         /*
6531                          * Firmware possibly timed out during login. If NO
6532                          * retries are left to do then the device is declared
6533                          * dead.
6534                          */
6535                         *next_loopid = fcport->loop_id;
6536                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6537                             fcport->d_id.b.domain, fcport->d_id.b.area,
6538                             fcport->d_id.b.al_pa);
6539                         qla2x00_mark_device_lost(vha, fcport, 1);
6540
6541                         rval = 1;
6542                         break;
6543                 } else {
6544                         /*
6545                          * unrecoverable / not handled error
6546                          */
6547                         ql_dbg(ql_dbg_disc, vha, 0x2002,
6548                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
6549                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
6550                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
6551                             fcport->loop_id, jiffies);
6552
6553                         *next_loopid = fcport->loop_id;
6554                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6555                             fcport->d_id.b.domain, fcport->d_id.b.area,
6556                             fcport->d_id.b.al_pa);
6557                         qla2x00_clear_loop_id(fcport);
6558                         fcport->login_retry = 0;
6559
6560                         rval = 3;
6561                         break;
6562                 }
6563         }
6564
6565         return (rval);
6566 }
6567
6568 /*
6569  * qla2x00_local_device_login
6570  *      Issue local device login command.
6571  *
6572  * Input:
6573  *      ha = adapter block pointer.
6574  *      loop_id = loop id of device to login to.
6575  *
6576  * Returns (Where's the #define!!!!):
6577  *      0 - Login successfully
6578  *      1 - Login failed
6579  *      3 - Fatal error
6580  */
6581 int
6582 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6583 {
6584         int             rval;
6585         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6586
6587         memset(mb, 0, sizeof(mb));
6588         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6589         if (rval == QLA_SUCCESS) {
6590                 /* Interrogate mailbox registers for any errors */
6591                 if (mb[0] == MBS_COMMAND_ERROR)
6592                         rval = 1;
6593                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6594                         /* device not in PCB table */
6595                         rval = 3;
6596         }
6597
6598         return (rval);
6599 }
6600
6601 /*
6602  *  qla2x00_loop_resync
6603  *      Resync with fibre channel devices.
6604  *
6605  * Input:
6606  *      ha = adapter block pointer.
6607  *
6608  * Returns:
6609  *      0 = success
6610  */
6611 int
6612 qla2x00_loop_resync(scsi_qla_host_t *vha)
6613 {
6614         int rval = QLA_SUCCESS;
6615         uint32_t wait_time;
6616
6617         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6618         if (vha->flags.online) {
6619                 if (!(rval = qla2x00_fw_ready(vha))) {
6620                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
6621                         wait_time = 256;
6622                         do {
6623                                 if (!IS_QLAFX00(vha->hw)) {
6624                                         /*
6625                                          * Issue a marker after FW becomes
6626                                          * ready.
6627                                          */
6628                                         qla2x00_marker(vha, vha->hw->base_qpair,
6629                                             0, 0, MK_SYNC_ALL);
6630                                         vha->marker_needed = 0;
6631                                 }
6632
6633                                 /* Remap devices on Loop. */
6634                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6635
6636                                 if (IS_QLAFX00(vha->hw))
6637                                         qlafx00_configure_devices(vha);
6638                                 else
6639                                         qla2x00_configure_loop(vha);
6640
6641                                 wait_time--;
6642                         } while (!atomic_read(&vha->loop_down_timer) &&
6643                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6644                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6645                                 &vha->dpc_flags)));
6646                 }
6647         }
6648
6649         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6650                 return (QLA_FUNCTION_FAILED);
6651
6652         if (rval)
6653                 ql_dbg(ql_dbg_disc, vha, 0x206c,
6654                     "%s *** FAILED ***.\n", __func__);
6655
6656         return (rval);
6657 }
6658
6659 /*
6660 * qla2x00_perform_loop_resync
6661 * Description: This function will set the appropriate flags and call
6662 *              qla2x00_loop_resync. If successful loop will be resynced
6663 * Arguments : scsi_qla_host_t pointer
6664 * returm    : Success or Failure
6665 */
6666
6667 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
6668 {
6669         int32_t rval = 0;
6670
6671         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
6672                 /*Configure the flags so that resync happens properly*/
6673                 atomic_set(&ha->loop_down_timer, 0);
6674                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
6675                         atomic_set(&ha->loop_state, LOOP_UP);
6676                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
6677                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
6678                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
6679
6680                         rval = qla2x00_loop_resync(ha);
6681                 } else
6682                         atomic_set(&ha->loop_state, LOOP_DEAD);
6683
6684                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
6685         }
6686
6687         return rval;
6688 }
6689
6690 void
6691 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
6692 {
6693         fc_port_t *fcport;
6694         struct scsi_qla_host *vha, *tvp;
6695         struct qla_hw_data *ha = base_vha->hw;
6696         unsigned long flags;
6697
6698         spin_lock_irqsave(&ha->vport_slock, flags);
6699         /* Go with deferred removal of rport references. */
6700         list_for_each_entry_safe(vha, tvp, &base_vha->hw->vp_list, list) {
6701                 atomic_inc(&vha->vref_count);
6702                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6703                         if (fcport->drport &&
6704                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
6705                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6706                                 qla2x00_rport_del(fcport);
6707
6708                                 spin_lock_irqsave(&ha->vport_slock, flags);
6709                         }
6710                 }
6711                 atomic_dec(&vha->vref_count);
6712                 wake_up(&vha->vref_waitq);
6713         }
6714         spin_unlock_irqrestore(&ha->vport_slock, flags);
6715 }
6716
6717 /* Assumes idc_lock always held on entry */
6718 void
6719 qla83xx_reset_ownership(scsi_qla_host_t *vha)
6720 {
6721         struct qla_hw_data *ha = vha->hw;
6722         uint32_t drv_presence, drv_presence_mask;
6723         uint32_t dev_part_info1, dev_part_info2, class_type;
6724         uint32_t class_type_mask = 0x3;
6725         uint16_t fcoe_other_function = 0xffff, i;
6726
6727         if (IS_QLA8044(ha)) {
6728                 drv_presence = qla8044_rd_direct(vha,
6729                     QLA8044_CRB_DRV_ACTIVE_INDEX);
6730                 dev_part_info1 = qla8044_rd_direct(vha,
6731                     QLA8044_CRB_DEV_PART_INFO_INDEX);
6732                 dev_part_info2 = qla8044_rd_direct(vha,
6733                     QLA8044_CRB_DEV_PART_INFO2);
6734         } else {
6735                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6736                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
6737                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
6738         }
6739         for (i = 0; i < 8; i++) {
6740                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
6741                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6742                     (i != ha->portnum)) {
6743                         fcoe_other_function = i;
6744                         break;
6745                 }
6746         }
6747         if (fcoe_other_function == 0xffff) {
6748                 for (i = 0; i < 8; i++) {
6749                         class_type = ((dev_part_info2 >> (i * 4)) &
6750                             class_type_mask);
6751                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6752                             ((i + 8) != ha->portnum)) {
6753                                 fcoe_other_function = i + 8;
6754                                 break;
6755                         }
6756                 }
6757         }
6758         /*
6759          * Prepare drv-presence mask based on fcoe functions present.
6760          * However consider only valid physical fcoe function numbers (0-15).
6761          */
6762         drv_presence_mask = ~((1 << (ha->portnum)) |
6763                         ((fcoe_other_function == 0xffff) ?
6764                          0 : (1 << (fcoe_other_function))));
6765
6766         /* We are the reset owner iff:
6767          *    - No other protocol drivers present.
6768          *    - This is the lowest among fcoe functions. */
6769         if (!(drv_presence & drv_presence_mask) &&
6770                         (ha->portnum < fcoe_other_function)) {
6771                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6772                     "This host is Reset owner.\n");
6773                 ha->flags.nic_core_reset_owner = 1;
6774         }
6775 }
6776
6777 static int
6778 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6779 {
6780         int rval = QLA_SUCCESS;
6781         struct qla_hw_data *ha = vha->hw;
6782         uint32_t drv_ack;
6783
6784         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6785         if (rval == QLA_SUCCESS) {
6786                 drv_ack |= (1 << ha->portnum);
6787                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6788         }
6789
6790         return rval;
6791 }
6792
6793 static int
6794 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6795 {
6796         int rval = QLA_SUCCESS;
6797         struct qla_hw_data *ha = vha->hw;
6798         uint32_t drv_ack;
6799
6800         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6801         if (rval == QLA_SUCCESS) {
6802                 drv_ack &= ~(1 << ha->portnum);
6803                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6804         }
6805
6806         return rval;
6807 }
6808
6809 /* Assumes idc-lock always held on entry */
6810 void
6811 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6812 {
6813         struct qla_hw_data *ha = vha->hw;
6814         uint32_t idc_audit_reg = 0, duration_secs = 0;
6815
6816         switch (audit_type) {
6817         case IDC_AUDIT_TIMESTAMP:
6818                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6819                 idc_audit_reg = (ha->portnum) |
6820                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6821                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6822                 break;
6823
6824         case IDC_AUDIT_COMPLETION:
6825                 duration_secs = ((jiffies_to_msecs(jiffies) -
6826                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6827                 idc_audit_reg = (ha->portnum) |
6828                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6829                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6830                 break;
6831
6832         default:
6833                 ql_log(ql_log_warn, vha, 0xb078,
6834                     "Invalid audit type specified.\n");
6835                 break;
6836         }
6837 }
6838
6839 /* Assumes idc_lock always held on entry */
6840 static int
6841 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6842 {
6843         struct qla_hw_data *ha = vha->hw;
6844         uint32_t  idc_control, dev_state;
6845
6846         __qla83xx_get_idc_control(vha, &idc_control);
6847         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6848                 ql_log(ql_log_info, vha, 0xb080,
6849                     "NIC Core reset has been disabled. idc-control=0x%x\n",
6850                     idc_control);
6851                 return QLA_FUNCTION_FAILED;
6852         }
6853
6854         /* Set NEED-RESET iff in READY state and we are the reset-owner */
6855         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6856         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6857                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6858                     QLA8XXX_DEV_NEED_RESET);
6859                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6860                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6861         } else {
6862                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n",
6863                                 qdev_state(dev_state));
6864
6865                 /* SV: XXX: Is timeout required here? */
6866                 /* Wait for IDC state change READY -> NEED_RESET */
6867                 while (dev_state == QLA8XXX_DEV_READY) {
6868                         qla83xx_idc_unlock(vha, 0);
6869                         msleep(200);
6870                         qla83xx_idc_lock(vha, 0);
6871                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6872                 }
6873         }
6874
6875         /* Send IDC ack by writing to drv-ack register */
6876         __qla83xx_set_drv_ack(vha);
6877
6878         return QLA_SUCCESS;
6879 }
6880
6881 int
6882 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6883 {
6884         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6885 }
6886
6887 int
6888 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6889 {
6890         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6891 }
6892
6893 static int
6894 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6895 {
6896         uint32_t drv_presence = 0;
6897         struct qla_hw_data *ha = vha->hw;
6898
6899         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6900         if (drv_presence & (1 << ha->portnum))
6901                 return QLA_SUCCESS;
6902         else
6903                 return QLA_TEST_FAILED;
6904 }
6905
6906 int
6907 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6908 {
6909         int rval = QLA_SUCCESS;
6910         struct qla_hw_data *ha = vha->hw;
6911
6912         ql_dbg(ql_dbg_p3p, vha, 0xb058,
6913             "Entered  %s().\n", __func__);
6914
6915         if (vha->device_flags & DFLG_DEV_FAILED) {
6916                 ql_log(ql_log_warn, vha, 0xb059,
6917                     "Device in unrecoverable FAILED state.\n");
6918                 return QLA_FUNCTION_FAILED;
6919         }
6920
6921         qla83xx_idc_lock(vha, 0);
6922
6923         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6924                 ql_log(ql_log_warn, vha, 0xb05a,
6925                     "Function=0x%x has been removed from IDC participation.\n",
6926                     ha->portnum);
6927                 rval = QLA_FUNCTION_FAILED;
6928                 goto exit;
6929         }
6930
6931         qla83xx_reset_ownership(vha);
6932
6933         rval = qla83xx_initiating_reset(vha);
6934
6935         /*
6936          * Perform reset if we are the reset-owner,
6937          * else wait till IDC state changes to READY/FAILED.
6938          */
6939         if (rval == QLA_SUCCESS) {
6940                 rval = qla83xx_idc_state_handler(vha);
6941
6942                 if (rval == QLA_SUCCESS)
6943                         ha->flags.nic_core_hung = 0;
6944                 __qla83xx_clear_drv_ack(vha);
6945         }
6946
6947 exit:
6948         qla83xx_idc_unlock(vha, 0);
6949
6950         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6951
6952         return rval;
6953 }
6954
6955 int
6956 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6957 {
6958         struct qla_hw_data *ha = vha->hw;
6959         int rval = QLA_FUNCTION_FAILED;
6960
6961         if (!IS_MCTP_CAPABLE(ha)) {
6962                 /* This message can be removed from the final version */
6963                 ql_log(ql_log_info, vha, 0x506d,
6964                     "This board is not MCTP capable\n");
6965                 return rval;
6966         }
6967
6968         if (!ha->mctp_dump) {
6969                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6970                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6971
6972                 if (!ha->mctp_dump) {
6973                         ql_log(ql_log_warn, vha, 0x506e,
6974                             "Failed to allocate memory for mctp dump\n");
6975                         return rval;
6976                 }
6977         }
6978
6979 #define MCTP_DUMP_STR_ADDR      0x00000000
6980         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6981             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6982         if (rval != QLA_SUCCESS) {
6983                 ql_log(ql_log_warn, vha, 0x506f,
6984                     "Failed to capture mctp dump\n");
6985         } else {
6986                 ql_log(ql_log_info, vha, 0x5070,
6987                     "Mctp dump capture for host (%ld/%p).\n",
6988                     vha->host_no, ha->mctp_dump);
6989                 ha->mctp_dumped = 1;
6990         }
6991
6992         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6993                 ha->flags.nic_core_reset_hdlr_active = 1;
6994                 rval = qla83xx_restart_nic_firmware(vha);
6995                 if (rval)
6996                         /* NIC Core reset failed. */
6997                         ql_log(ql_log_warn, vha, 0x5071,
6998                             "Failed to restart nic firmware\n");
6999                 else
7000                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
7001                             "Restarted NIC firmware successfully.\n");
7002                 ha->flags.nic_core_reset_hdlr_active = 0;
7003         }
7004
7005         return rval;
7006
7007 }
7008
7009 /*
7010 * qla2x00_quiesce_io
7011 * Description: This function will block the new I/Os
7012 *              Its not aborting any I/Os as context
7013 *              is not destroyed during quiescence
7014 * Arguments: scsi_qla_host_t
7015 * return   : void
7016 */
7017 void
7018 qla2x00_quiesce_io(scsi_qla_host_t *vha)
7019 {
7020         struct qla_hw_data *ha = vha->hw;
7021         struct scsi_qla_host *vp, *tvp;
7022         unsigned long flags;
7023
7024         ql_dbg(ql_dbg_dpc, vha, 0x401d,
7025             "Quiescing I/O - ha=%p.\n", ha);
7026
7027         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
7028         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
7029                 atomic_set(&vha->loop_state, LOOP_DOWN);
7030                 qla2x00_mark_all_devices_lost(vha);
7031
7032                 spin_lock_irqsave(&ha->vport_slock, flags);
7033                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7034                         atomic_inc(&vp->vref_count);
7035                         spin_unlock_irqrestore(&ha->vport_slock, flags);
7036
7037                         qla2x00_mark_all_devices_lost(vp);
7038
7039                         spin_lock_irqsave(&ha->vport_slock, flags);
7040                         atomic_dec(&vp->vref_count);
7041                 }
7042                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7043         } else {
7044                 if (!atomic_read(&vha->loop_down_timer))
7045                         atomic_set(&vha->loop_down_timer,
7046                                         LOOP_DOWN_TIME);
7047         }
7048         /* Wait for pending cmds to complete */
7049         WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST)
7050                      != QLA_SUCCESS);
7051 }
7052
7053 void
7054 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
7055 {
7056         struct qla_hw_data *ha = vha->hw;
7057         struct scsi_qla_host *vp, *tvp;
7058         unsigned long flags;
7059         fc_port_t *fcport;
7060         u16 i;
7061
7062         /* For ISP82XX, driver waits for completion of the commands.
7063          * online flag should be set.
7064          */
7065         if (!(IS_P3P_TYPE(ha)))
7066                 vha->flags.online = 0;
7067         ha->flags.chip_reset_done = 0;
7068         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
7069         vha->qla_stats.total_isp_aborts++;
7070
7071         ql_log(ql_log_info, vha, 0x00af,
7072             "Performing ISP error recovery - ha=%p.\n", ha);
7073
7074         ha->flags.purge_mbox = 1;
7075         /* For ISP82XX, reset_chip is just disabling interrupts.
7076          * Driver waits for the completion of the commands.
7077          * the interrupts need to be enabled.
7078          */
7079         if (!(IS_P3P_TYPE(ha)))
7080                 ha->isp_ops->reset_chip(vha);
7081
7082         ha->link_data_rate = PORT_SPEED_UNKNOWN;
7083         SAVE_TOPO(ha);
7084         ha->flags.rida_fmt2 = 0;
7085         ha->flags.n2n_ae = 0;
7086         ha->flags.lip_ae = 0;
7087         ha->current_topology = 0;
7088         QLA_FW_STOPPED(ha);
7089         ha->flags.fw_init_done = 0;
7090         ha->chip_reset++;
7091         ha->base_qpair->chip_reset = ha->chip_reset;
7092         ha->base_qpair->cmd_cnt = ha->base_qpair->cmd_completion_cnt = 0;
7093         ha->base_qpair->prev_completion_cnt = 0;
7094         for (i = 0; i < ha->max_qpairs; i++) {
7095                 if (ha->queue_pair_map[i]) {
7096                         ha->queue_pair_map[i]->chip_reset =
7097                                 ha->base_qpair->chip_reset;
7098                         ha->queue_pair_map[i]->cmd_cnt =
7099                             ha->queue_pair_map[i]->cmd_completion_cnt = 0;
7100                         ha->base_qpair->prev_completion_cnt = 0;
7101                 }
7102         }
7103
7104         /* purge MBox commands */
7105         if (atomic_read(&ha->num_pend_mbx_stage3)) {
7106                 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
7107                 complete(&ha->mbx_intr_comp);
7108         }
7109
7110         i = 0;
7111         while (atomic_read(&ha->num_pend_mbx_stage3) ||
7112             atomic_read(&ha->num_pend_mbx_stage2) ||
7113             atomic_read(&ha->num_pend_mbx_stage1)) {
7114                 msleep(20);
7115                 i++;
7116                 if (i > 50)
7117                         break;
7118         }
7119         ha->flags.purge_mbox = 0;
7120
7121         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
7122         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
7123                 atomic_set(&vha->loop_state, LOOP_DOWN);
7124                 qla2x00_mark_all_devices_lost(vha);
7125
7126                 spin_lock_irqsave(&ha->vport_slock, flags);
7127                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7128                         atomic_inc(&vp->vref_count);
7129                         spin_unlock_irqrestore(&ha->vport_slock, flags);
7130
7131                         qla2x00_mark_all_devices_lost(vp);
7132
7133                         spin_lock_irqsave(&ha->vport_slock, flags);
7134                         atomic_dec(&vp->vref_count);
7135                 }
7136                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7137         } else {
7138                 if (!atomic_read(&vha->loop_down_timer))
7139                         atomic_set(&vha->loop_down_timer,
7140                             LOOP_DOWN_TIME);
7141         }
7142
7143         /* Clear all async request states across all VPs. */
7144         list_for_each_entry(fcport, &vha->vp_fcports, list) {
7145                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7146                 fcport->scan_state = 0;
7147         }
7148         spin_lock_irqsave(&ha->vport_slock, flags);
7149         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7150                 atomic_inc(&vp->vref_count);
7151                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7152
7153                 list_for_each_entry(fcport, &vp->vp_fcports, list)
7154                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7155
7156                 spin_lock_irqsave(&ha->vport_slock, flags);
7157                 atomic_dec(&vp->vref_count);
7158         }
7159         spin_unlock_irqrestore(&ha->vport_slock, flags);
7160
7161         /* Make sure for ISP 82XX IO DMA is complete */
7162         if (IS_P3P_TYPE(ha)) {
7163                 qla82xx_chip_reset_cleanup(vha);
7164                 ql_log(ql_log_info, vha, 0x00b4,
7165                        "Done chip reset cleanup.\n");
7166
7167                 /* Done waiting for pending commands. Reset online flag */
7168                 vha->flags.online = 0;
7169         }
7170
7171         /* Requeue all commands in outstanding command list. */
7172         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
7173         /* memory barrier */
7174         wmb();
7175 }
7176
7177 /*
7178 *  qla2x00_abort_isp
7179 *      Resets ISP and aborts all outstanding commands.
7180 *
7181 * Input:
7182 *      ha           = adapter block pointer.
7183 *
7184 * Returns:
7185 *      0 = success
7186 */
7187 int
7188 qla2x00_abort_isp(scsi_qla_host_t *vha)
7189 {
7190         int rval;
7191         uint8_t        status = 0;
7192         struct qla_hw_data *ha = vha->hw;
7193         struct scsi_qla_host *vp, *tvp;
7194         struct req_que *req = ha->req_q_map[0];
7195         unsigned long flags;
7196
7197         if (vha->flags.online) {
7198                 qla2x00_abort_isp_cleanup(vha);
7199
7200                 if (vha->hw->flags.port_isolated)
7201                         return status;
7202
7203                 if (qla2x00_isp_reg_stat(ha)) {
7204                         ql_log(ql_log_info, vha, 0x803f,
7205                                "ISP Abort - ISP reg disconnect, exiting.\n");
7206                         return status;
7207                 }
7208
7209                 if (test_and_clear_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags)) {
7210                         ha->flags.chip_reset_done = 1;
7211                         vha->flags.online = 1;
7212                         status = 0;
7213                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7214                         return status;
7215                 }
7216
7217                 if (IS_QLA8031(ha)) {
7218                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
7219                             "Clearing fcoe driver presence.\n");
7220                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
7221                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
7222                                     "Error while clearing DRV-Presence.\n");
7223                 }
7224
7225                 if (unlikely(pci_channel_offline(ha->pdev) &&
7226                     ha->flags.pci_channel_io_perm_failure)) {
7227                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7228                         status = 0;
7229                         return status;
7230                 }
7231
7232                 switch (vha->qlini_mode) {
7233                 case QLA2XXX_INI_MODE_DISABLED:
7234                         if (!qla_tgt_mode_enabled(vha))
7235                                 return 0;
7236                         break;
7237                 case QLA2XXX_INI_MODE_DUAL:
7238                         if (!qla_dual_mode_enabled(vha) &&
7239                             !qla_ini_mode_enabled(vha))
7240                                 return 0;
7241                         break;
7242                 case QLA2XXX_INI_MODE_ENABLED:
7243                 default:
7244                         break;
7245                 }
7246
7247                 ha->isp_ops->get_flash_version(vha, req->ring);
7248
7249                 if (qla2x00_isp_reg_stat(ha)) {
7250                         ql_log(ql_log_info, vha, 0x803f,
7251                                "ISP Abort - ISP reg disconnect pre nvram config, exiting.\n");
7252                         return status;
7253                 }
7254                 ha->isp_ops->nvram_config(vha);
7255
7256                 if (qla2x00_isp_reg_stat(ha)) {
7257                         ql_log(ql_log_info, vha, 0x803f,
7258                                "ISP Abort - ISP reg disconnect post nvmram config, exiting.\n");
7259                         return status;
7260                 }
7261                 if (!qla2x00_restart_isp(vha)) {
7262                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7263
7264                         if (!atomic_read(&vha->loop_down_timer)) {
7265                                 /*
7266                                  * Issue marker command only when we are going
7267                                  * to start the I/O .
7268                                  */
7269                                 vha->marker_needed = 1;
7270                         }
7271
7272                         vha->flags.online = 1;
7273
7274                         ha->isp_ops->enable_intrs(ha);
7275
7276                         ha->isp_abort_cnt = 0;
7277                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7278
7279                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
7280                                 qla2x00_get_fw_version(vha);
7281                         if (ha->fce) {
7282                                 ha->flags.fce_enabled = 1;
7283                                 memset(ha->fce, 0,
7284                                     fce_calc_size(ha->fce_bufs));
7285                                 rval = qla2x00_enable_fce_trace(vha,
7286                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
7287                                     &ha->fce_bufs);
7288                                 if (rval) {
7289                                         ql_log(ql_log_warn, vha, 0x8033,
7290                                             "Unable to reinitialize FCE "
7291                                             "(%d).\n", rval);
7292                                         ha->flags.fce_enabled = 0;
7293                                 }
7294                         }
7295
7296                         if (ha->eft) {
7297                                 memset(ha->eft, 0, EFT_SIZE);
7298                                 rval = qla2x00_enable_eft_trace(vha,
7299                                     ha->eft_dma, EFT_NUM_BUFFERS);
7300                                 if (rval) {
7301                                         ql_log(ql_log_warn, vha, 0x8034,
7302                                             "Unable to reinitialize EFT "
7303                                             "(%d).\n", rval);
7304                                 }
7305                         }
7306                 } else {        /* failed the ISP abort */
7307                         vha->flags.online = 1;
7308                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
7309                                 if (ha->isp_abort_cnt == 0) {
7310                                         ql_log(ql_log_fatal, vha, 0x8035,
7311                                             "ISP error recover failed - "
7312                                             "board disabled.\n");
7313                                         /*
7314                                          * The next call disables the board
7315                                          * completely.
7316                                          */
7317                                         qla2x00_abort_isp_cleanup(vha);
7318                                         vha->flags.online = 0;
7319                                         clear_bit(ISP_ABORT_RETRY,
7320                                             &vha->dpc_flags);
7321                                         status = 0;
7322                                 } else { /* schedule another ISP abort */
7323                                         ha->isp_abort_cnt--;
7324                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
7325                                             "ISP abort - retry remaining %d.\n",
7326                                             ha->isp_abort_cnt);
7327                                         status = 1;
7328                                 }
7329                         } else {
7330                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
7331                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
7332                                     "ISP error recovery - retrying (%d) "
7333                                     "more times.\n", ha->isp_abort_cnt);
7334                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7335                                 status = 1;
7336                         }
7337                 }
7338
7339         }
7340
7341         if (vha->hw->flags.port_isolated) {
7342                 qla2x00_abort_isp_cleanup(vha);
7343                 return status;
7344         }
7345
7346         if (!status) {
7347                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
7348                 qla2x00_configure_hba(vha);
7349                 spin_lock_irqsave(&ha->vport_slock, flags);
7350                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7351                         if (vp->vp_idx) {
7352                                 atomic_inc(&vp->vref_count);
7353                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7354
7355                                 qla2x00_vp_abort_isp(vp);
7356
7357                                 spin_lock_irqsave(&ha->vport_slock, flags);
7358                                 atomic_dec(&vp->vref_count);
7359                         }
7360                 }
7361                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7362
7363                 if (IS_QLA8031(ha)) {
7364                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
7365                             "Setting back fcoe driver presence.\n");
7366                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
7367                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
7368                                     "Error while setting DRV-Presence.\n");
7369                 }
7370         } else {
7371                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
7372                        __func__);
7373         }
7374
7375         return(status);
7376 }
7377
7378 /*
7379 *  qla2x00_restart_isp
7380 *      restarts the ISP after a reset
7381 *
7382 * Input:
7383 *      ha = adapter block pointer.
7384 *
7385 * Returns:
7386 *      0 = success
7387 */
7388 static int
7389 qla2x00_restart_isp(scsi_qla_host_t *vha)
7390 {
7391         int status;
7392         struct qla_hw_data *ha = vha->hw;
7393
7394         /* If firmware needs to be loaded */
7395         if (qla2x00_isp_firmware(vha)) {
7396                 vha->flags.online = 0;
7397                 status = ha->isp_ops->chip_diag(vha);
7398                 if (status)
7399                         return status;
7400                 status = qla2x00_setup_chip(vha);
7401                 if (status)
7402                         return status;
7403         }
7404
7405         status = qla2x00_init_rings(vha);
7406         if (status)
7407                 return status;
7408
7409         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7410         ha->flags.chip_reset_done = 1;
7411
7412         /* Initialize the queues in use */
7413         qla25xx_init_queues(ha);
7414
7415         status = qla2x00_fw_ready(vha);
7416         if (status) {
7417                 /* if no cable then assume it's good */
7418                 return vha->device_flags & DFLG_NO_CABLE ? 0 : status;
7419         }
7420
7421         /* Issue a marker after FW becomes ready. */
7422         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
7423         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7424
7425         return 0;
7426 }
7427
7428 static int
7429 qla25xx_init_queues(struct qla_hw_data *ha)
7430 {
7431         struct rsp_que *rsp = NULL;
7432         struct req_que *req = NULL;
7433         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7434         int ret = -1;
7435         int i;
7436
7437         for (i = 1; i < ha->max_rsp_queues; i++) {
7438                 rsp = ha->rsp_q_map[i];
7439                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
7440                         rsp->options &= ~BIT_0;
7441                         ret = qla25xx_init_rsp_que(base_vha, rsp);
7442                         if (ret != QLA_SUCCESS)
7443                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
7444                                     "%s Rsp que: %d init failed.\n",
7445                                     __func__, rsp->id);
7446                         else
7447                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
7448                                     "%s Rsp que: %d inited.\n",
7449                                     __func__, rsp->id);
7450                 }
7451         }
7452         for (i = 1; i < ha->max_req_queues; i++) {
7453                 req = ha->req_q_map[i];
7454                 if (req && test_bit(i, ha->req_qid_map)) {
7455                         /* Clear outstanding commands array. */
7456                         req->options &= ~BIT_0;
7457                         ret = qla25xx_init_req_que(base_vha, req);
7458                         if (ret != QLA_SUCCESS)
7459                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
7460                                     "%s Req que: %d init failed.\n",
7461                                     __func__, req->id);
7462                         else
7463                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
7464                                     "%s Req que: %d inited.\n",
7465                                     __func__, req->id);
7466                 }
7467         }
7468         return ret;
7469 }
7470
7471 /*
7472 * qla2x00_reset_adapter
7473 *      Reset adapter.
7474 *
7475 * Input:
7476 *      ha = adapter block pointer.
7477 */
7478 int
7479 qla2x00_reset_adapter(scsi_qla_host_t *vha)
7480 {
7481         unsigned long flags = 0;
7482         struct qla_hw_data *ha = vha->hw;
7483         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7484
7485         vha->flags.online = 0;
7486         ha->isp_ops->disable_intrs(ha);
7487
7488         spin_lock_irqsave(&ha->hardware_lock, flags);
7489         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
7490         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7491         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
7492         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7493         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7494
7495         return QLA_SUCCESS;
7496 }
7497
7498 int
7499 qla24xx_reset_adapter(scsi_qla_host_t *vha)
7500 {
7501         unsigned long flags = 0;
7502         struct qla_hw_data *ha = vha->hw;
7503         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
7504
7505         if (IS_P3P_TYPE(ha))
7506                 return QLA_SUCCESS;
7507
7508         vha->flags.online = 0;
7509         ha->isp_ops->disable_intrs(ha);
7510
7511         spin_lock_irqsave(&ha->hardware_lock, flags);
7512         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
7513         rd_reg_dword(&reg->hccr);
7514         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
7515         rd_reg_dword(&reg->hccr);
7516         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7517
7518         if (IS_NOPOLLING_TYPE(ha))
7519                 ha->isp_ops->enable_intrs(ha);
7520
7521         return QLA_SUCCESS;
7522 }
7523
7524 /* On sparc systems, obtain port and node WWN from firmware
7525  * properties.
7526  */
7527 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
7528         struct nvram_24xx *nv)
7529 {
7530 #ifdef CONFIG_SPARC
7531         struct qla_hw_data *ha = vha->hw;
7532         struct pci_dev *pdev = ha->pdev;
7533         struct device_node *dp = pci_device_to_OF_node(pdev);
7534         const u8 *val;
7535         int len;
7536
7537         val = of_get_property(dp, "port-wwn", &len);
7538         if (val && len >= WWN_SIZE)
7539                 memcpy(nv->port_name, val, WWN_SIZE);
7540
7541         val = of_get_property(dp, "node-wwn", &len);
7542         if (val && len >= WWN_SIZE)
7543                 memcpy(nv->node_name, val, WWN_SIZE);
7544 #endif
7545 }
7546
7547 int
7548 qla24xx_nvram_config(scsi_qla_host_t *vha)
7549 {
7550         int   rval;
7551         struct init_cb_24xx *icb;
7552         struct nvram_24xx *nv;
7553         __le32 *dptr;
7554         uint8_t  *dptr1, *dptr2;
7555         uint32_t chksum;
7556         uint16_t cnt;
7557         struct qla_hw_data *ha = vha->hw;
7558
7559         rval = QLA_SUCCESS;
7560         icb = (struct init_cb_24xx *)ha->init_cb;
7561         nv = ha->nvram;
7562
7563         /* Determine NVRAM starting address. */
7564         if (ha->port_no == 0) {
7565                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
7566                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
7567         } else {
7568                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7569                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
7570         }
7571
7572         ha->nvram_size = sizeof(*nv);
7573         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7574
7575         /* Get VPD data into cache */
7576         ha->vpd = ha->nvram + VPD_OFFSET;
7577         ha->isp_ops->read_nvram(vha, ha->vpd,
7578             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
7579
7580         /* Get NVRAM data into cache and calculate checksum. */
7581         dptr = (__force __le32 *)nv;
7582         ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size);
7583         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7584                 chksum += le32_to_cpu(*dptr);
7585
7586         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
7587             "Contents of NVRAM\n");
7588         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7589             nv, ha->nvram_size);
7590
7591         /* Bad NVRAM data, set defaults parameters. */
7592         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
7593             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
7594                 /* Reset NVRAM data. */
7595                 ql_log(ql_log_warn, vha, 0x006b,
7596                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
7597                     chksum, nv->id, nv->nvram_version);
7598                 ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv));
7599                 ql_log(ql_log_warn, vha, 0x006c,
7600                     "Falling back to functioning (yet invalid -- WWPN) "
7601                     "defaults.\n");
7602
7603                 /*
7604                  * Set default initialization control block.
7605                  */
7606                 memset(nv, 0, ha->nvram_size);
7607                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7608                 nv->version = cpu_to_le16(ICB_VERSION);
7609                 nv->frame_payload_size = cpu_to_le16(2048);
7610                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7611                 nv->exchange_count = cpu_to_le16(0);
7612                 nv->hard_address = cpu_to_le16(124);
7613                 nv->port_name[0] = 0x21;
7614                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7615                 nv->port_name[2] = 0x00;
7616                 nv->port_name[3] = 0xe0;
7617                 nv->port_name[4] = 0x8b;
7618                 nv->port_name[5] = 0x1c;
7619                 nv->port_name[6] = 0x55;
7620                 nv->port_name[7] = 0x86;
7621                 nv->node_name[0] = 0x20;
7622                 nv->node_name[1] = 0x00;
7623                 nv->node_name[2] = 0x00;
7624                 nv->node_name[3] = 0xe0;
7625                 nv->node_name[4] = 0x8b;
7626                 nv->node_name[5] = 0x1c;
7627                 nv->node_name[6] = 0x55;
7628                 nv->node_name[7] = 0x86;
7629                 qla24xx_nvram_wwn_from_ofw(vha, nv);
7630                 nv->login_retry_count = cpu_to_le16(8);
7631                 nv->interrupt_delay_timer = cpu_to_le16(0);
7632                 nv->login_timeout = cpu_to_le16(0);
7633                 nv->firmware_options_1 =
7634                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7635                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7636                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7637                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7638                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7639                 nv->efi_parameters = cpu_to_le32(0);
7640                 nv->reset_delay = 5;
7641                 nv->max_luns_per_target = cpu_to_le16(128);
7642                 nv->port_down_retry_count = cpu_to_le16(30);
7643                 nv->link_down_timeout = cpu_to_le16(30);
7644
7645                 rval = 1;
7646         }
7647
7648         if (qla_tgt_mode_enabled(vha)) {
7649                 /* Don't enable full login after initial LIP */
7650                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7651                 /* Don't enable LIP full login for initiator */
7652                 nv->host_p &= cpu_to_le32(~BIT_10);
7653         }
7654
7655         qlt_24xx_config_nvram_stage1(vha, nv);
7656
7657         /* Reset Initialization control block */
7658         memset(icb, 0, ha->init_cb_size);
7659
7660         /* Copy 1st segment. */
7661         dptr1 = (uint8_t *)icb;
7662         dptr2 = (uint8_t *)&nv->version;
7663         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7664         while (cnt--)
7665                 *dptr1++ = *dptr2++;
7666
7667         icb->login_retry_count = nv->login_retry_count;
7668         icb->link_down_on_nos = nv->link_down_on_nos;
7669
7670         /* Copy 2nd segment. */
7671         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7672         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7673         cnt = (uint8_t *)&icb->reserved_3 -
7674             (uint8_t *)&icb->interrupt_delay_timer;
7675         while (cnt--)
7676                 *dptr1++ = *dptr2++;
7677         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7678         /*
7679          * Setup driver NVRAM options.
7680          */
7681         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7682             "QLA2462");
7683
7684         qlt_24xx_config_nvram_stage2(vha, icb);
7685
7686         if (nv->host_p & cpu_to_le32(BIT_15)) {
7687                 /* Use alternate WWN? */
7688                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7689                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7690         }
7691
7692         /* Prepare nodename */
7693         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7694                 /*
7695                  * Firmware will apply the following mask if the nodename was
7696                  * not provided.
7697                  */
7698                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7699                 icb->node_name[0] &= 0xF0;
7700         }
7701
7702         /* Set host adapter parameters. */
7703         ha->flags.disable_risc_code_load = 0;
7704         ha->flags.enable_lip_reset = 0;
7705         ha->flags.enable_lip_full_login =
7706             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
7707         ha->flags.enable_target_reset =
7708             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
7709         ha->flags.enable_led_scheme = 0;
7710         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
7711
7712         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7713             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7714
7715         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
7716             sizeof(ha->fw_seriallink_options24));
7717
7718         /* save HBA serial number */
7719         ha->serial0 = icb->port_name[5];
7720         ha->serial1 = icb->port_name[6];
7721         ha->serial2 = icb->port_name[7];
7722         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7723         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7724
7725         icb->execution_throttle = cpu_to_le16(0xFFFF);
7726
7727         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7728
7729         /* Set minimum login_timeout to 4 seconds. */
7730         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7731                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7732         if (le16_to_cpu(nv->login_timeout) < 4)
7733                 nv->login_timeout = cpu_to_le16(4);
7734         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7735
7736         /* Set minimum RATOV to 100 tenths of a second. */
7737         ha->r_a_tov = 100;
7738
7739         ha->loop_reset_delay = nv->reset_delay;
7740
7741         /* Link Down Timeout = 0:
7742          *
7743          *      When Port Down timer expires we will start returning
7744          *      I/O's to OS with "DID_NO_CONNECT".
7745          *
7746          * Link Down Timeout != 0:
7747          *
7748          *       The driver waits for the link to come up after link down
7749          *       before returning I/Os to OS with "DID_NO_CONNECT".
7750          */
7751         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7752                 ha->loop_down_abort_time =
7753                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7754         } else {
7755                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7756                 ha->loop_down_abort_time =
7757                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7758         }
7759
7760         /* Need enough time to try and get the port back. */
7761         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7762         if (qlport_down_retry)
7763                 ha->port_down_retry_count = qlport_down_retry;
7764
7765         /* Set login_retry_count */
7766         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
7767         if (ha->port_down_retry_count ==
7768             le16_to_cpu(nv->port_down_retry_count) &&
7769             ha->port_down_retry_count > 3)
7770                 ha->login_retry_count = ha->port_down_retry_count;
7771         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7772                 ha->login_retry_count = ha->port_down_retry_count;
7773         if (ql2xloginretrycount)
7774                 ha->login_retry_count = ql2xloginretrycount;
7775
7776         /* N2N: driver will initiate Login instead of FW */
7777         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
7778
7779         /* Enable ZIO. */
7780         if (!vha->flags.init_done) {
7781                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7782                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7783                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7784                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
7785         }
7786         icb->firmware_options_2 &= cpu_to_le32(
7787             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7788         if (ha->zio_mode != QLA_ZIO_DISABLED) {
7789                 ha->zio_mode = QLA_ZIO_MODE_6;
7790
7791                 ql_log(ql_log_info, vha, 0x006f,
7792                     "ZIO mode %d enabled; timer delay (%d us).\n",
7793                     ha->zio_mode, ha->zio_timer * 100);
7794
7795                 icb->firmware_options_2 |= cpu_to_le32(
7796                     (uint32_t)ha->zio_mode);
7797                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7798         }
7799
7800         if (rval) {
7801                 ql_log(ql_log_warn, vha, 0x0070,
7802                     "NVRAM configuration failed.\n");
7803         }
7804         return (rval);
7805 }
7806
7807 static void
7808 qla27xx_print_image(struct scsi_qla_host *vha, char *name,
7809     struct qla27xx_image_status *image_status)
7810 {
7811         ql_dbg(ql_dbg_init, vha, 0x018b,
7812             "%s %s: mask=%#02x gen=%#04x ver=%u.%u map=%#01x sum=%#08x sig=%#08x\n",
7813             name, "status",
7814             image_status->image_status_mask,
7815             le16_to_cpu(image_status->generation),
7816             image_status->ver_major,
7817             image_status->ver_minor,
7818             image_status->bitmap,
7819             le32_to_cpu(image_status->checksum),
7820             le32_to_cpu(image_status->signature));
7821 }
7822
7823 static bool
7824 qla28xx_check_aux_image_status_signature(
7825     struct qla27xx_image_status *image_status)
7826 {
7827         ulong signature = le32_to_cpu(image_status->signature);
7828
7829         return signature != QLA28XX_AUX_IMG_STATUS_SIGN;
7830 }
7831
7832 static bool
7833 qla27xx_check_image_status_signature(struct qla27xx_image_status *image_status)
7834 {
7835         ulong signature = le32_to_cpu(image_status->signature);
7836
7837         return
7838             signature != QLA27XX_IMG_STATUS_SIGN &&
7839             signature != QLA28XX_IMG_STATUS_SIGN;
7840 }
7841
7842 static ulong
7843 qla27xx_image_status_checksum(struct qla27xx_image_status *image_status)
7844 {
7845         __le32 *p = (__force __le32 *)image_status;
7846         uint n = sizeof(*image_status) / sizeof(*p);
7847         uint32_t sum = 0;
7848
7849         for ( ; n--; p++)
7850                 sum += le32_to_cpup(p);
7851
7852         return sum;
7853 }
7854
7855 static inline uint
7856 qla28xx_component_bitmask(struct qla27xx_image_status *aux, uint bitmask)
7857 {
7858         return aux->bitmap & bitmask ?
7859             QLA27XX_SECONDARY_IMAGE : QLA27XX_PRIMARY_IMAGE;
7860 }
7861
7862 static void
7863 qla28xx_component_status(
7864     struct active_regions *active_regions, struct qla27xx_image_status *aux)
7865 {
7866         active_regions->aux.board_config =
7867             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_BOARD_CONFIG);
7868
7869         active_regions->aux.vpd_nvram =
7870             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_VPD_NVRAM);
7871
7872         active_regions->aux.npiv_config_0_1 =
7873             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_0_1);
7874
7875         active_regions->aux.npiv_config_2_3 =
7876             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_2_3);
7877 }
7878
7879 static int
7880 qla27xx_compare_image_generation(
7881     struct qla27xx_image_status *pri_image_status,
7882     struct qla27xx_image_status *sec_image_status)
7883 {
7884         /* calculate generation delta as uint16 (this accounts for wrap) */
7885         int16_t delta =
7886             le16_to_cpu(pri_image_status->generation) -
7887             le16_to_cpu(sec_image_status->generation);
7888
7889         ql_dbg(ql_dbg_init, NULL, 0x0180, "generation delta = %d\n", delta);
7890
7891         return delta;
7892 }
7893
7894 void
7895 qla28xx_get_aux_images(
7896         struct scsi_qla_host *vha, struct active_regions *active_regions)
7897 {
7898         struct qla_hw_data *ha = vha->hw;
7899         struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status;
7900         bool valid_pri_image = false, valid_sec_image = false;
7901         bool active_pri_image = false, active_sec_image = false;
7902
7903         if (!ha->flt_region_aux_img_status_pri) {
7904                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n");
7905                 goto check_sec_image;
7906         }
7907
7908         qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status,
7909             ha->flt_region_aux_img_status_pri,
7910             sizeof(pri_aux_image_status) >> 2);
7911         qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status);
7912
7913         if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) {
7914                 ql_dbg(ql_dbg_init, vha, 0x018b,
7915                     "Primary aux image signature (%#x) not valid\n",
7916                     le32_to_cpu(pri_aux_image_status.signature));
7917                 goto check_sec_image;
7918         }
7919
7920         if (qla27xx_image_status_checksum(&pri_aux_image_status)) {
7921                 ql_dbg(ql_dbg_init, vha, 0x018c,
7922                     "Primary aux image checksum failed\n");
7923                 goto check_sec_image;
7924         }
7925
7926         valid_pri_image = true;
7927
7928         if (pri_aux_image_status.image_status_mask & 1) {
7929                 ql_dbg(ql_dbg_init, vha, 0x018d,
7930                     "Primary aux image is active\n");
7931                 active_pri_image = true;
7932         }
7933
7934 check_sec_image:
7935         if (!ha->flt_region_aux_img_status_sec) {
7936                 ql_dbg(ql_dbg_init, vha, 0x018a,
7937                     "Secondary aux image not addressed\n");
7938                 goto check_valid_image;
7939         }
7940
7941         qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status,
7942             ha->flt_region_aux_img_status_sec,
7943             sizeof(sec_aux_image_status) >> 2);
7944         qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status);
7945
7946         if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) {
7947                 ql_dbg(ql_dbg_init, vha, 0x018b,
7948                     "Secondary aux image signature (%#x) not valid\n",
7949                     le32_to_cpu(sec_aux_image_status.signature));
7950                 goto check_valid_image;
7951         }
7952
7953         if (qla27xx_image_status_checksum(&sec_aux_image_status)) {
7954                 ql_dbg(ql_dbg_init, vha, 0x018c,
7955                     "Secondary aux image checksum failed\n");
7956                 goto check_valid_image;
7957         }
7958
7959         valid_sec_image = true;
7960
7961         if (sec_aux_image_status.image_status_mask & 1) {
7962                 ql_dbg(ql_dbg_init, vha, 0x018d,
7963                     "Secondary aux image is active\n");
7964                 active_sec_image = true;
7965         }
7966
7967 check_valid_image:
7968         if (valid_pri_image && active_pri_image &&
7969             valid_sec_image && active_sec_image) {
7970                 if (qla27xx_compare_image_generation(&pri_aux_image_status,
7971                     &sec_aux_image_status) >= 0) {
7972                         qla28xx_component_status(active_regions,
7973                             &pri_aux_image_status);
7974                 } else {
7975                         qla28xx_component_status(active_regions,
7976                             &sec_aux_image_status);
7977                 }
7978         } else if (valid_pri_image && active_pri_image) {
7979                 qla28xx_component_status(active_regions, &pri_aux_image_status);
7980         } else if (valid_sec_image && active_sec_image) {
7981                 qla28xx_component_status(active_regions, &sec_aux_image_status);
7982         }
7983
7984         ql_dbg(ql_dbg_init, vha, 0x018f,
7985             "aux images active: BCFG=%u VPD/NVR=%u NPIV0/1=%u NPIV2/3=%u\n",
7986             active_regions->aux.board_config,
7987             active_regions->aux.vpd_nvram,
7988             active_regions->aux.npiv_config_0_1,
7989             active_regions->aux.npiv_config_2_3);
7990 }
7991
7992 void
7993 qla27xx_get_active_image(struct scsi_qla_host *vha,
7994     struct active_regions *active_regions)
7995 {
7996         struct qla_hw_data *ha = vha->hw;
7997         struct qla27xx_image_status pri_image_status, sec_image_status;
7998         bool valid_pri_image = false, valid_sec_image = false;
7999         bool active_pri_image = false, active_sec_image = false;
8000
8001         if (!ha->flt_region_img_status_pri) {
8002                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n");
8003                 goto check_sec_image;
8004         }
8005
8006         if (qla24xx_read_flash_data(vha, (uint32_t *)&pri_image_status,
8007             ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) !=
8008             QLA_SUCCESS) {
8009                 WARN_ON_ONCE(true);
8010                 goto check_sec_image;
8011         }
8012         qla27xx_print_image(vha, "Primary image", &pri_image_status);
8013
8014         if (qla27xx_check_image_status_signature(&pri_image_status)) {
8015                 ql_dbg(ql_dbg_init, vha, 0x018b,
8016                     "Primary image signature (%#x) not valid\n",
8017                     le32_to_cpu(pri_image_status.signature));
8018                 goto check_sec_image;
8019         }
8020
8021         if (qla27xx_image_status_checksum(&pri_image_status)) {
8022                 ql_dbg(ql_dbg_init, vha, 0x018c,
8023                     "Primary image checksum failed\n");
8024                 goto check_sec_image;
8025         }
8026
8027         valid_pri_image = true;
8028
8029         if (pri_image_status.image_status_mask & 1) {
8030                 ql_dbg(ql_dbg_init, vha, 0x018d,
8031                     "Primary image is active\n");
8032                 active_pri_image = true;
8033         }
8034
8035 check_sec_image:
8036         if (!ha->flt_region_img_status_sec) {
8037                 ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n");
8038                 goto check_valid_image;
8039         }
8040
8041         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
8042             ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2);
8043         qla27xx_print_image(vha, "Secondary image", &sec_image_status);
8044
8045         if (qla27xx_check_image_status_signature(&sec_image_status)) {
8046                 ql_dbg(ql_dbg_init, vha, 0x018b,
8047                     "Secondary image signature (%#x) not valid\n",
8048                     le32_to_cpu(sec_image_status.signature));
8049                 goto check_valid_image;
8050         }
8051
8052         if (qla27xx_image_status_checksum(&sec_image_status)) {
8053                 ql_dbg(ql_dbg_init, vha, 0x018c,
8054                     "Secondary image checksum failed\n");
8055                 goto check_valid_image;
8056         }
8057
8058         valid_sec_image = true;
8059
8060         if (sec_image_status.image_status_mask & 1) {
8061                 ql_dbg(ql_dbg_init, vha, 0x018d,
8062                     "Secondary image is active\n");
8063                 active_sec_image = true;
8064         }
8065
8066 check_valid_image:
8067         if (valid_pri_image && active_pri_image)
8068                 active_regions->global = QLA27XX_PRIMARY_IMAGE;
8069
8070         if (valid_sec_image && active_sec_image) {
8071                 if (!active_regions->global ||
8072                     qla27xx_compare_image_generation(
8073                         &pri_image_status, &sec_image_status) < 0) {
8074                         active_regions->global = QLA27XX_SECONDARY_IMAGE;
8075                 }
8076         }
8077
8078         ql_dbg(ql_dbg_init, vha, 0x018f, "active image %s (%u)\n",
8079             active_regions->global == QLA27XX_DEFAULT_IMAGE ?
8080                 "default (boot/fw)" :
8081             active_regions->global == QLA27XX_PRIMARY_IMAGE ?
8082                 "primary" :
8083             active_regions->global == QLA27XX_SECONDARY_IMAGE ?
8084                 "secondary" : "invalid",
8085             active_regions->global);
8086 }
8087
8088 bool qla24xx_risc_firmware_invalid(uint32_t *dword)
8089 {
8090         return
8091             !(dword[4] | dword[5] | dword[6] | dword[7]) ||
8092             !(~dword[4] | ~dword[5] | ~dword[6] | ~dword[7]);
8093 }
8094
8095 static int
8096 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
8097     uint32_t faddr)
8098 {
8099         int rval;
8100         uint templates, segments, fragment;
8101         ulong i;
8102         uint j;
8103         ulong dlen;
8104         uint32_t *dcode;
8105         uint32_t risc_addr, risc_size, risc_attr = 0;
8106         struct qla_hw_data *ha = vha->hw;
8107         struct req_que *req = ha->req_q_map[0];
8108         struct fwdt *fwdt = ha->fwdt;
8109
8110         ql_dbg(ql_dbg_init, vha, 0x008b,
8111             "FW: Loading firmware from flash (%x).\n", faddr);
8112
8113         dcode = (uint32_t *)req->ring;
8114         qla24xx_read_flash_data(vha, dcode, faddr, 8);
8115         if (qla24xx_risc_firmware_invalid(dcode)) {
8116                 ql_log(ql_log_fatal, vha, 0x008c,
8117                     "Unable to verify the integrity of flash firmware "
8118                     "image.\n");
8119                 ql_log(ql_log_fatal, vha, 0x008d,
8120                     "Firmware data: %08x %08x %08x %08x.\n",
8121                     dcode[0], dcode[1], dcode[2], dcode[3]);
8122
8123                 return QLA_FUNCTION_FAILED;
8124         }
8125
8126         dcode = (uint32_t *)req->ring;
8127         *srisc_addr = 0;
8128         segments = FA_RISC_CODE_SEGMENTS;
8129         for (j = 0; j < segments; j++) {
8130                 ql_dbg(ql_dbg_init, vha, 0x008d,
8131                     "-> Loading segment %u...\n", j);
8132                 qla24xx_read_flash_data(vha, dcode, faddr, 10);
8133                 risc_addr = be32_to_cpu((__force __be32)dcode[2]);
8134                 risc_size = be32_to_cpu((__force __be32)dcode[3]);
8135                 if (!*srisc_addr) {
8136                         *srisc_addr = risc_addr;
8137                         risc_attr = be32_to_cpu((__force __be32)dcode[9]);
8138                 }
8139
8140                 dlen = ha->fw_transfer_size >> 2;
8141                 for (fragment = 0; risc_size; fragment++) {
8142                         if (dlen > risc_size)
8143                                 dlen = risc_size;
8144
8145                         ql_dbg(ql_dbg_init, vha, 0x008e,
8146                             "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n",
8147                             fragment, risc_addr, faddr, dlen);
8148                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
8149                         for (i = 0; i < dlen; i++)
8150                                 dcode[i] = swab32(dcode[i]);
8151
8152                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8153                         if (rval) {
8154                                 ql_log(ql_log_fatal, vha, 0x008f,
8155                                     "-> Failed load firmware fragment %u.\n",
8156                                     fragment);
8157                                 return QLA_FUNCTION_FAILED;
8158                         }
8159
8160                         faddr += dlen;
8161                         risc_addr += dlen;
8162                         risc_size -= dlen;
8163                 }
8164         }
8165
8166         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8167                 return QLA_SUCCESS;
8168
8169         templates = (risc_attr & BIT_9) ? 2 : 1;
8170         ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates);
8171         for (j = 0; j < templates; j++, fwdt++) {
8172                 vfree(fwdt->template);
8173                 fwdt->template = NULL;
8174                 fwdt->length = 0;
8175
8176                 dcode = (uint32_t *)req->ring;
8177                 qla24xx_read_flash_data(vha, dcode, faddr, 7);
8178                 risc_size = be32_to_cpu((__force __be32)dcode[2]);
8179                 ql_dbg(ql_dbg_init, vha, 0x0161,
8180                     "-> fwdt%u template array at %#x (%#x dwords)\n",
8181                     j, faddr, risc_size);
8182                 if (!risc_size || !~risc_size) {
8183                         ql_dbg(ql_dbg_init, vha, 0x0162,
8184                             "-> fwdt%u failed to read array\n", j);
8185                         goto failed;
8186                 }
8187
8188                 /* skip header and ignore checksum */
8189                 faddr += 7;
8190                 risc_size -= 8;
8191
8192                 ql_dbg(ql_dbg_init, vha, 0x0163,
8193                     "-> fwdt%u template allocate template %#x words...\n",
8194                     j, risc_size);
8195                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
8196                 if (!fwdt->template) {
8197                         ql_log(ql_log_warn, vha, 0x0164,
8198                             "-> fwdt%u failed allocate template.\n", j);
8199                         goto failed;
8200                 }
8201
8202                 dcode = fwdt->template;
8203                 qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
8204
8205                 if (!qla27xx_fwdt_template_valid(dcode)) {
8206                         ql_log(ql_log_warn, vha, 0x0165,
8207                             "-> fwdt%u failed template validate\n", j);
8208                         goto failed;
8209                 }
8210
8211                 dlen = qla27xx_fwdt_template_size(dcode);
8212                 ql_dbg(ql_dbg_init, vha, 0x0166,
8213                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8214                     j, dlen, dlen / sizeof(*dcode));
8215                 if (dlen > risc_size * sizeof(*dcode)) {
8216                         ql_log(ql_log_warn, vha, 0x0167,
8217                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
8218                             j, dlen - risc_size * sizeof(*dcode));
8219                         goto failed;
8220                 }
8221
8222                 fwdt->length = dlen;
8223                 ql_dbg(ql_dbg_init, vha, 0x0168,
8224                     "-> fwdt%u loaded template ok\n", j);
8225
8226                 faddr += risc_size + 1;
8227         }
8228
8229         return QLA_SUCCESS;
8230
8231 failed:
8232         vfree(fwdt->template);
8233         fwdt->template = NULL;
8234         fwdt->length = 0;
8235
8236         return QLA_SUCCESS;
8237 }
8238
8239 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
8240
8241 int
8242 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8243 {
8244         int     rval;
8245         int     i, fragment;
8246         uint16_t *wcode;
8247         __be16   *fwcode;
8248         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
8249         struct fw_blob *blob;
8250         struct qla_hw_data *ha = vha->hw;
8251         struct req_que *req = ha->req_q_map[0];
8252
8253         /* Load firmware blob. */
8254         blob = qla2x00_request_firmware(vha);
8255         if (!blob) {
8256                 ql_log(ql_log_info, vha, 0x0083,
8257                     "Firmware image unavailable.\n");
8258                 ql_log(ql_log_info, vha, 0x0084,
8259                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
8260                 return QLA_FUNCTION_FAILED;
8261         }
8262
8263         rval = QLA_SUCCESS;
8264
8265         wcode = (uint16_t *)req->ring;
8266         *srisc_addr = 0;
8267         fwcode = (__force __be16 *)blob->fw->data;
8268         fwclen = 0;
8269
8270         /* Validate firmware image by checking version. */
8271         if (blob->fw->size < 8 * sizeof(uint16_t)) {
8272                 ql_log(ql_log_fatal, vha, 0x0085,
8273                     "Unable to verify integrity of firmware image (%zd).\n",
8274                     blob->fw->size);
8275                 goto fail_fw_integrity;
8276         }
8277         for (i = 0; i < 4; i++)
8278                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
8279         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
8280             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
8281                 wcode[2] == 0 && wcode[3] == 0)) {
8282                 ql_log(ql_log_fatal, vha, 0x0086,
8283                     "Unable to verify integrity of firmware image.\n");
8284                 ql_log(ql_log_fatal, vha, 0x0087,
8285                     "Firmware data: %04x %04x %04x %04x.\n",
8286                     wcode[0], wcode[1], wcode[2], wcode[3]);
8287                 goto fail_fw_integrity;
8288         }
8289
8290         seg = blob->segs;
8291         while (*seg && rval == QLA_SUCCESS) {
8292                 risc_addr = *seg;
8293                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
8294                 risc_size = be16_to_cpu(fwcode[3]);
8295
8296                 /* Validate firmware image size. */
8297                 fwclen += risc_size * sizeof(uint16_t);
8298                 if (blob->fw->size < fwclen) {
8299                         ql_log(ql_log_fatal, vha, 0x0088,
8300                             "Unable to verify integrity of firmware image "
8301                             "(%zd).\n", blob->fw->size);
8302                         goto fail_fw_integrity;
8303                 }
8304
8305                 fragment = 0;
8306                 while (risc_size > 0 && rval == QLA_SUCCESS) {
8307                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
8308                         if (wlen > risc_size)
8309                                 wlen = risc_size;
8310                         ql_dbg(ql_dbg_init, vha, 0x0089,
8311                             "Loading risc segment@ risc addr %x number of "
8312                             "words 0x%x.\n", risc_addr, wlen);
8313
8314                         for (i = 0; i < wlen; i++)
8315                                 wcode[i] = swab16((__force u32)fwcode[i]);
8316
8317                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
8318                             wlen);
8319                         if (rval) {
8320                                 ql_log(ql_log_fatal, vha, 0x008a,
8321                                     "Failed to load segment %d of firmware.\n",
8322                                     fragment);
8323                                 break;
8324                         }
8325
8326                         fwcode += wlen;
8327                         risc_addr += wlen;
8328                         risc_size -= wlen;
8329                         fragment++;
8330                 }
8331
8332                 /* Next segment. */
8333                 seg++;
8334         }
8335         return rval;
8336
8337 fail_fw_integrity:
8338         return QLA_FUNCTION_FAILED;
8339 }
8340
8341 static int
8342 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8343 {
8344         int     rval;
8345         uint templates, segments, fragment;
8346         uint32_t *dcode;
8347         ulong dlen;
8348         uint32_t risc_addr, risc_size, risc_attr = 0;
8349         ulong i;
8350         uint j;
8351         struct fw_blob *blob;
8352         __be32 *fwcode;
8353         struct qla_hw_data *ha = vha->hw;
8354         struct req_que *req = ha->req_q_map[0];
8355         struct fwdt *fwdt = ha->fwdt;
8356
8357         ql_dbg(ql_dbg_init, vha, 0x0090,
8358             "-> FW: Loading via request-firmware.\n");
8359
8360         blob = qla2x00_request_firmware(vha);
8361         if (!blob) {
8362                 ql_log(ql_log_warn, vha, 0x0092,
8363                     "-> Firmware file not found.\n");
8364
8365                 return QLA_FUNCTION_FAILED;
8366         }
8367
8368         fwcode = (__force __be32 *)blob->fw->data;
8369         dcode = (__force uint32_t *)fwcode;
8370         if (qla24xx_risc_firmware_invalid(dcode)) {
8371                 ql_log(ql_log_fatal, vha, 0x0093,
8372                     "Unable to verify integrity of firmware image (%zd).\n",
8373                     blob->fw->size);
8374                 ql_log(ql_log_fatal, vha, 0x0095,
8375                     "Firmware data: %08x %08x %08x %08x.\n",
8376                     dcode[0], dcode[1], dcode[2], dcode[3]);
8377                 return QLA_FUNCTION_FAILED;
8378         }
8379
8380         dcode = (uint32_t *)req->ring;
8381         *srisc_addr = 0;
8382         segments = FA_RISC_CODE_SEGMENTS;
8383         for (j = 0; j < segments; j++) {
8384                 ql_dbg(ql_dbg_init, vha, 0x0096,
8385                     "-> Loading segment %u...\n", j);
8386                 risc_addr = be32_to_cpu(fwcode[2]);
8387                 risc_size = be32_to_cpu(fwcode[3]);
8388
8389                 if (!*srisc_addr) {
8390                         *srisc_addr = risc_addr;
8391                         risc_attr = be32_to_cpu(fwcode[9]);
8392                 }
8393
8394                 dlen = ha->fw_transfer_size >> 2;
8395                 for (fragment = 0; risc_size; fragment++) {
8396                         if (dlen > risc_size)
8397                                 dlen = risc_size;
8398
8399                         ql_dbg(ql_dbg_init, vha, 0x0097,
8400                             "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n",
8401                             fragment, risc_addr,
8402                             (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data),
8403                             dlen);
8404
8405                         for (i = 0; i < dlen; i++)
8406                                 dcode[i] = swab32((__force u32)fwcode[i]);
8407
8408                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8409                         if (rval) {
8410                                 ql_log(ql_log_fatal, vha, 0x0098,
8411                                     "-> Failed load firmware fragment %u.\n",
8412                                     fragment);
8413                                 return QLA_FUNCTION_FAILED;
8414                         }
8415
8416                         fwcode += dlen;
8417                         risc_addr += dlen;
8418                         risc_size -= dlen;
8419                 }
8420         }
8421
8422         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8423                 return QLA_SUCCESS;
8424
8425         templates = (risc_attr & BIT_9) ? 2 : 1;
8426         ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates);
8427         for (j = 0; j < templates; j++, fwdt++) {
8428                 vfree(fwdt->template);
8429                 fwdt->template = NULL;
8430                 fwdt->length = 0;
8431
8432                 risc_size = be32_to_cpu(fwcode[2]);
8433                 ql_dbg(ql_dbg_init, vha, 0x0171,
8434                     "-> fwdt%u template array at %#x (%#x dwords)\n",
8435                     j, (uint32_t)((void *)fwcode - (void *)blob->fw->data),
8436                     risc_size);
8437                 if (!risc_size || !~risc_size) {
8438                         ql_dbg(ql_dbg_init, vha, 0x0172,
8439                             "-> fwdt%u failed to read array\n", j);
8440                         goto failed;
8441                 }
8442
8443                 /* skip header and ignore checksum */
8444                 fwcode += 7;
8445                 risc_size -= 8;
8446
8447                 ql_dbg(ql_dbg_init, vha, 0x0173,
8448                     "-> fwdt%u template allocate template %#x words...\n",
8449                     j, risc_size);
8450                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
8451                 if (!fwdt->template) {
8452                         ql_log(ql_log_warn, vha, 0x0174,
8453                             "-> fwdt%u failed allocate template.\n", j);
8454                         goto failed;
8455                 }
8456
8457                 dcode = fwdt->template;
8458                 for (i = 0; i < risc_size; i++)
8459                         dcode[i] = (__force u32)fwcode[i];
8460
8461                 if (!qla27xx_fwdt_template_valid(dcode)) {
8462                         ql_log(ql_log_warn, vha, 0x0175,
8463                             "-> fwdt%u failed template validate\n", j);
8464                         goto failed;
8465                 }
8466
8467                 dlen = qla27xx_fwdt_template_size(dcode);
8468                 ql_dbg(ql_dbg_init, vha, 0x0176,
8469                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8470                     j, dlen, dlen / sizeof(*dcode));
8471                 if (dlen > risc_size * sizeof(*dcode)) {
8472                         ql_log(ql_log_warn, vha, 0x0177,
8473                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
8474                             j, dlen - risc_size * sizeof(*dcode));
8475                         goto failed;
8476                 }
8477
8478                 fwdt->length = dlen;
8479                 ql_dbg(ql_dbg_init, vha, 0x0178,
8480                     "-> fwdt%u loaded template ok\n", j);
8481
8482                 fwcode += risc_size + 1;
8483         }
8484
8485         return QLA_SUCCESS;
8486
8487 failed:
8488         vfree(fwdt->template);
8489         fwdt->template = NULL;
8490         fwdt->length = 0;
8491
8492         return QLA_SUCCESS;
8493 }
8494
8495 int
8496 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8497 {
8498         int rval;
8499
8500         if (ql2xfwloadbin == 1)
8501                 return qla81xx_load_risc(vha, srisc_addr);
8502
8503         /*
8504          * FW Load priority:
8505          * 1) Firmware via request-firmware interface (.bin file).
8506          * 2) Firmware residing in flash.
8507          */
8508         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8509         if (rval == QLA_SUCCESS)
8510                 return rval;
8511
8512         return qla24xx_load_risc_flash(vha, srisc_addr,
8513             vha->hw->flt_region_fw);
8514 }
8515
8516 int
8517 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8518 {
8519         int rval;
8520         struct qla_hw_data *ha = vha->hw;
8521         struct active_regions active_regions = { };
8522
8523         if (ql2xfwloadbin == 2)
8524                 goto try_blob_fw;
8525
8526         /* FW Load priority:
8527          * 1) Firmware residing in flash.
8528          * 2) Firmware via request-firmware interface (.bin file).
8529          * 3) Golden-Firmware residing in flash -- (limited operation).
8530          */
8531
8532         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8533                 goto try_primary_fw;
8534
8535         qla27xx_get_active_image(vha, &active_regions);
8536
8537         if (active_regions.global != QLA27XX_SECONDARY_IMAGE)
8538                 goto try_primary_fw;
8539
8540         ql_dbg(ql_dbg_init, vha, 0x008b,
8541             "Loading secondary firmware image.\n");
8542         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw_sec);
8543         if (!rval)
8544                 return rval;
8545
8546 try_primary_fw:
8547         ql_dbg(ql_dbg_init, vha, 0x008b,
8548             "Loading primary firmware image.\n");
8549         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
8550         if (!rval)
8551                 return rval;
8552
8553 try_blob_fw:
8554         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8555         if (!rval || !ha->flt_region_gold_fw)
8556                 return rval;
8557
8558         ql_log(ql_log_info, vha, 0x0099,
8559             "Attempting to fallback to golden firmware.\n");
8560         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
8561         if (rval)
8562                 return rval;
8563
8564         ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n");
8565         ha->flags.running_gold_fw = 1;
8566         return rval;
8567 }
8568
8569 void
8570 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
8571 {
8572         int ret, retries;
8573         struct qla_hw_data *ha = vha->hw;
8574
8575         if (ha->flags.pci_channel_io_perm_failure)
8576                 return;
8577         if (!IS_FWI2_CAPABLE(ha))
8578                 return;
8579         if (!ha->fw_major_version)
8580                 return;
8581         if (!ha->flags.fw_started)
8582                 return;
8583
8584         ret = qla2x00_stop_firmware(vha);
8585         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
8586             ret != QLA_INVALID_COMMAND && retries ; retries--) {
8587                 ha->isp_ops->reset_chip(vha);
8588                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
8589                         continue;
8590                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
8591                         continue;
8592                 ql_log(ql_log_info, vha, 0x8015,
8593                     "Attempting retry of stop-firmware command.\n");
8594                 ret = qla2x00_stop_firmware(vha);
8595         }
8596
8597         QLA_FW_STOPPED(ha);
8598         ha->flags.fw_init_done = 0;
8599 }
8600
8601 int
8602 qla24xx_configure_vhba(scsi_qla_host_t *vha)
8603 {
8604         int rval = QLA_SUCCESS;
8605         int rval2;
8606         uint16_t mb[MAILBOX_REGISTER_COUNT];
8607         struct qla_hw_data *ha = vha->hw;
8608         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
8609
8610         if (!vha->vp_idx)
8611                 return -EINVAL;
8612
8613         rval = qla2x00_fw_ready(base_vha);
8614
8615         if (rval == QLA_SUCCESS) {
8616                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8617                 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8618         }
8619
8620         vha->flags.management_server_logged_in = 0;
8621
8622         /* Login to SNS first */
8623         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
8624             BIT_1);
8625         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
8626                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
8627                         ql_dbg(ql_dbg_init, vha, 0x0120,
8628                             "Failed SNS login: loop_id=%x, rval2=%d\n",
8629                             NPH_SNS, rval2);
8630                 else
8631                         ql_dbg(ql_dbg_init, vha, 0x0103,
8632                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
8633                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
8634                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
8635                 return (QLA_FUNCTION_FAILED);
8636         }
8637
8638         atomic_set(&vha->loop_down_timer, 0);
8639         atomic_set(&vha->loop_state, LOOP_UP);
8640         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8641         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
8642         rval = qla2x00_loop_resync(base_vha);
8643
8644         return rval;
8645 }
8646
8647 /* 84XX Support **************************************************************/
8648
8649 static LIST_HEAD(qla_cs84xx_list);
8650 static DEFINE_MUTEX(qla_cs84xx_mutex);
8651
8652 static struct qla_chip_state_84xx *
8653 qla84xx_get_chip(struct scsi_qla_host *vha)
8654 {
8655         struct qla_chip_state_84xx *cs84xx;
8656         struct qla_hw_data *ha = vha->hw;
8657
8658         mutex_lock(&qla_cs84xx_mutex);
8659
8660         /* Find any shared 84xx chip. */
8661         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
8662                 if (cs84xx->bus == ha->pdev->bus) {
8663                         kref_get(&cs84xx->kref);
8664                         goto done;
8665                 }
8666         }
8667
8668         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
8669         if (!cs84xx)
8670                 goto done;
8671
8672         kref_init(&cs84xx->kref);
8673         spin_lock_init(&cs84xx->access_lock);
8674         mutex_init(&cs84xx->fw_update_mutex);
8675         cs84xx->bus = ha->pdev->bus;
8676
8677         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
8678 done:
8679         mutex_unlock(&qla_cs84xx_mutex);
8680         return cs84xx;
8681 }
8682
8683 static void
8684 __qla84xx_chip_release(struct kref *kref)
8685 {
8686         struct qla_chip_state_84xx *cs84xx =
8687             container_of(kref, struct qla_chip_state_84xx, kref);
8688
8689         mutex_lock(&qla_cs84xx_mutex);
8690         list_del(&cs84xx->list);
8691         mutex_unlock(&qla_cs84xx_mutex);
8692         kfree(cs84xx);
8693 }
8694
8695 void
8696 qla84xx_put_chip(struct scsi_qla_host *vha)
8697 {
8698         struct qla_hw_data *ha = vha->hw;
8699
8700         if (ha->cs84xx)
8701                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
8702 }
8703
8704 static int
8705 qla84xx_init_chip(scsi_qla_host_t *vha)
8706 {
8707         int rval;
8708         uint16_t status[2];
8709         struct qla_hw_data *ha = vha->hw;
8710
8711         mutex_lock(&ha->cs84xx->fw_update_mutex);
8712
8713         rval = qla84xx_verify_chip(vha, status);
8714
8715         mutex_unlock(&ha->cs84xx->fw_update_mutex);
8716
8717         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED :
8718             QLA_SUCCESS;
8719 }
8720
8721 /* 81XX Support **************************************************************/
8722
8723 int
8724 qla81xx_nvram_config(scsi_qla_host_t *vha)
8725 {
8726         int   rval;
8727         struct init_cb_81xx *icb;
8728         struct nvram_81xx *nv;
8729         __le32 *dptr;
8730         uint8_t  *dptr1, *dptr2;
8731         uint32_t chksum;
8732         uint16_t cnt;
8733         struct qla_hw_data *ha = vha->hw;
8734         uint32_t faddr;
8735         struct active_regions active_regions = { };
8736
8737         rval = QLA_SUCCESS;
8738         icb = (struct init_cb_81xx *)ha->init_cb;
8739         nv = ha->nvram;
8740
8741         /* Determine NVRAM starting address. */
8742         ha->nvram_size = sizeof(*nv);
8743         ha->vpd_size = FA_NVRAM_VPD_SIZE;
8744         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
8745                 ha->vpd_size = FA_VPD_SIZE_82XX;
8746
8747         if (IS_QLA28XX(ha) || IS_QLA27XX(ha))
8748                 qla28xx_get_aux_images(vha, &active_regions);
8749
8750         /* Get VPD data into cache */
8751         ha->vpd = ha->nvram + VPD_OFFSET;
8752
8753         faddr = ha->flt_region_vpd;
8754         if (IS_QLA28XX(ha)) {
8755                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8756                         faddr = ha->flt_region_vpd_sec;
8757                 ql_dbg(ql_dbg_init, vha, 0x0110,
8758                     "Loading %s nvram image.\n",
8759                     active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8760                     "primary" : "secondary");
8761         }
8762         ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size);
8763
8764         /* Get NVRAM data into cache and calculate checksum. */
8765         faddr = ha->flt_region_nvram;
8766         if (IS_QLA28XX(ha)) {
8767                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8768                         faddr = ha->flt_region_nvram_sec;
8769         }
8770         ql_dbg(ql_dbg_init, vha, 0x0110,
8771             "Loading %s nvram image.\n",
8772             active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8773             "primary" : "secondary");
8774         ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
8775
8776         dptr = (__force __le32 *)nv;
8777         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
8778                 chksum += le32_to_cpu(*dptr);
8779
8780         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
8781             "Contents of NVRAM:\n");
8782         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
8783             nv, ha->nvram_size);
8784
8785         /* Bad NVRAM data, set defaults parameters. */
8786         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
8787             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
8788                 /* Reset NVRAM data. */
8789                 ql_log(ql_log_info, vha, 0x0073,
8790                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
8791                     chksum, nv->id, le16_to_cpu(nv->nvram_version));
8792                 ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv));
8793                 ql_log(ql_log_info, vha, 0x0074,
8794                     "Falling back to functioning (yet invalid -- WWPN) "
8795                     "defaults.\n");
8796
8797                 /*
8798                  * Set default initialization control block.
8799                  */
8800                 memset(nv, 0, ha->nvram_size);
8801                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
8802                 nv->version = cpu_to_le16(ICB_VERSION);
8803                 nv->frame_payload_size = cpu_to_le16(2048);
8804                 nv->execution_throttle = cpu_to_le16(0xFFFF);
8805                 nv->exchange_count = cpu_to_le16(0);
8806                 nv->port_name[0] = 0x21;
8807                 nv->port_name[1] = 0x00 + ha->port_no + 1;
8808                 nv->port_name[2] = 0x00;
8809                 nv->port_name[3] = 0xe0;
8810                 nv->port_name[4] = 0x8b;
8811                 nv->port_name[5] = 0x1c;
8812                 nv->port_name[6] = 0x55;
8813                 nv->port_name[7] = 0x86;
8814                 nv->node_name[0] = 0x20;
8815                 nv->node_name[1] = 0x00;
8816                 nv->node_name[2] = 0x00;
8817                 nv->node_name[3] = 0xe0;
8818                 nv->node_name[4] = 0x8b;
8819                 nv->node_name[5] = 0x1c;
8820                 nv->node_name[6] = 0x55;
8821                 nv->node_name[7] = 0x86;
8822                 nv->login_retry_count = cpu_to_le16(8);
8823                 nv->interrupt_delay_timer = cpu_to_le16(0);
8824                 nv->login_timeout = cpu_to_le16(0);
8825                 nv->firmware_options_1 =
8826                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
8827                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
8828                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
8829                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
8830                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
8831                 nv->efi_parameters = cpu_to_le32(0);
8832                 nv->reset_delay = 5;
8833                 nv->max_luns_per_target = cpu_to_le16(128);
8834                 nv->port_down_retry_count = cpu_to_le16(30);
8835                 nv->link_down_timeout = cpu_to_le16(180);
8836                 nv->enode_mac[0] = 0x00;
8837                 nv->enode_mac[1] = 0xC0;
8838                 nv->enode_mac[2] = 0xDD;
8839                 nv->enode_mac[3] = 0x04;
8840                 nv->enode_mac[4] = 0x05;
8841                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
8842
8843                 rval = 1;
8844         }
8845
8846         if (IS_T10_PI_CAPABLE(ha))
8847                 nv->frame_payload_size &= cpu_to_le16(~7);
8848
8849         qlt_81xx_config_nvram_stage1(vha, nv);
8850
8851         /* Reset Initialization control block */
8852         memset(icb, 0, ha->init_cb_size);
8853
8854         /* Copy 1st segment. */
8855         dptr1 = (uint8_t *)icb;
8856         dptr2 = (uint8_t *)&nv->version;
8857         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
8858         while (cnt--)
8859                 *dptr1++ = *dptr2++;
8860
8861         icb->login_retry_count = nv->login_retry_count;
8862
8863         /* Copy 2nd segment. */
8864         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
8865         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
8866         cnt = (uint8_t *)&icb->reserved_5 -
8867             (uint8_t *)&icb->interrupt_delay_timer;
8868         while (cnt--)
8869                 *dptr1++ = *dptr2++;
8870
8871         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
8872         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
8873         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
8874                 icb->enode_mac[0] = 0x00;
8875                 icb->enode_mac[1] = 0xC0;
8876                 icb->enode_mac[2] = 0xDD;
8877                 icb->enode_mac[3] = 0x04;
8878                 icb->enode_mac[4] = 0x05;
8879                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
8880         }
8881
8882         /* Use extended-initialization control block. */
8883         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
8884         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
8885         /*
8886          * Setup driver NVRAM options.
8887          */
8888         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
8889             "QLE8XXX");
8890
8891         qlt_81xx_config_nvram_stage2(vha, icb);
8892
8893         /* Use alternate WWN? */
8894         if (nv->host_p & cpu_to_le32(BIT_15)) {
8895                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
8896                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
8897         }
8898
8899         /* Prepare nodename */
8900         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
8901                 /*
8902                  * Firmware will apply the following mask if the nodename was
8903                  * not provided.
8904                  */
8905                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
8906                 icb->node_name[0] &= 0xF0;
8907         }
8908
8909         if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
8910                 if ((nv->enhanced_features & BIT_7) == 0)
8911                         ha->flags.scm_supported_a = 1;
8912         }
8913
8914         /* Set host adapter parameters. */
8915         ha->flags.disable_risc_code_load = 0;
8916         ha->flags.enable_lip_reset = 0;
8917         ha->flags.enable_lip_full_login =
8918             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
8919         ha->flags.enable_target_reset =
8920             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
8921         ha->flags.enable_led_scheme = 0;
8922         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
8923
8924         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
8925             (BIT_6 | BIT_5 | BIT_4)) >> 4;
8926
8927         /* save HBA serial number */
8928         ha->serial0 = icb->port_name[5];
8929         ha->serial1 = icb->port_name[6];
8930         ha->serial2 = icb->port_name[7];
8931         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
8932         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
8933
8934         icb->execution_throttle = cpu_to_le16(0xFFFF);
8935
8936         ha->retry_count = le16_to_cpu(nv->login_retry_count);
8937
8938         /* Set minimum login_timeout to 4 seconds. */
8939         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
8940                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
8941         if (le16_to_cpu(nv->login_timeout) < 4)
8942                 nv->login_timeout = cpu_to_le16(4);
8943         ha->login_timeout = le16_to_cpu(nv->login_timeout);
8944
8945         /* Set minimum RATOV to 100 tenths of a second. */
8946         ha->r_a_tov = 100;
8947
8948         ha->loop_reset_delay = nv->reset_delay;
8949
8950         /* Link Down Timeout = 0:
8951          *
8952          *      When Port Down timer expires we will start returning
8953          *      I/O's to OS with "DID_NO_CONNECT".
8954          *
8955          * Link Down Timeout != 0:
8956          *
8957          *       The driver waits for the link to come up after link down
8958          *       before returning I/Os to OS with "DID_NO_CONNECT".
8959          */
8960         if (le16_to_cpu(nv->link_down_timeout) == 0) {
8961                 ha->loop_down_abort_time =
8962                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
8963         } else {
8964                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
8965                 ha->loop_down_abort_time =
8966                     (LOOP_DOWN_TIME - ha->link_down_timeout);
8967         }
8968
8969         /* Need enough time to try and get the port back. */
8970         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8971         if (qlport_down_retry)
8972                 ha->port_down_retry_count = qlport_down_retry;
8973
8974         /* Set login_retry_count */
8975         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8976         if (ha->port_down_retry_count ==
8977             le16_to_cpu(nv->port_down_retry_count) &&
8978             ha->port_down_retry_count > 3)
8979                 ha->login_retry_count = ha->port_down_retry_count;
8980         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8981                 ha->login_retry_count = ha->port_down_retry_count;
8982         if (ql2xloginretrycount)
8983                 ha->login_retry_count = ql2xloginretrycount;
8984
8985         /* if not running MSI-X we need handshaking on interrupts */
8986         if (!vha->hw->flags.msix_enabled &&
8987             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)))
8988                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8989
8990         /* Enable ZIO. */
8991         if (!vha->flags.init_done) {
8992                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8993                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8994                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8995                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
8996         }
8997         icb->firmware_options_2 &= cpu_to_le32(
8998             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8999         vha->flags.process_response_queue = 0;
9000         if (ha->zio_mode != QLA_ZIO_DISABLED) {
9001                 ha->zio_mode = QLA_ZIO_MODE_6;
9002
9003                 ql_log(ql_log_info, vha, 0x0075,
9004                     "ZIO mode %d enabled; timer delay (%d us).\n",
9005                     ha->zio_mode,
9006                     ha->zio_timer * 100);
9007
9008                 icb->firmware_options_2 |= cpu_to_le32(
9009                     (uint32_t)ha->zio_mode);
9010                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
9011                 vha->flags.process_response_queue = 1;
9012         }
9013
9014          /* enable RIDA Format2 */
9015         icb->firmware_options_3 |= cpu_to_le32(BIT_0);
9016
9017         /* N2N: driver will initiate Login instead of FW */
9018         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
9019
9020         /* Determine NVMe/FCP priority for target ports */
9021         ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha);
9022
9023         if (rval) {
9024                 ql_log(ql_log_warn, vha, 0x0076,
9025                     "NVRAM configuration failed.\n");
9026         }
9027         return (rval);
9028 }
9029
9030 int
9031 qla82xx_restart_isp(scsi_qla_host_t *vha)
9032 {
9033         int status, rval;
9034         struct qla_hw_data *ha = vha->hw;
9035         struct scsi_qla_host *vp, *tvp;
9036         unsigned long flags;
9037
9038         status = qla2x00_init_rings(vha);
9039         if (!status) {
9040                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
9041                 ha->flags.chip_reset_done = 1;
9042
9043                 status = qla2x00_fw_ready(vha);
9044                 if (!status) {
9045                         /* Issue a marker after FW becomes ready. */
9046                         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
9047                         vha->flags.online = 1;
9048                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
9049                 }
9050
9051                 /* if no cable then assume it's good */
9052                 if ((vha->device_flags & DFLG_NO_CABLE))
9053                         status = 0;
9054         }
9055
9056         if (!status) {
9057                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
9058
9059                 if (!atomic_read(&vha->loop_down_timer)) {
9060                         /*
9061                          * Issue marker command only when we are going
9062                          * to start the I/O .
9063                          */
9064                         vha->marker_needed = 1;
9065                 }
9066
9067                 ha->isp_ops->enable_intrs(ha);
9068
9069                 ha->isp_abort_cnt = 0;
9070                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
9071
9072                 /* Update the firmware version */
9073                 status = qla82xx_check_md_needed(vha);
9074
9075                 if (ha->fce) {
9076                         ha->flags.fce_enabled = 1;
9077                         memset(ha->fce, 0,
9078                             fce_calc_size(ha->fce_bufs));
9079                         rval = qla2x00_enable_fce_trace(vha,
9080                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
9081                             &ha->fce_bufs);
9082                         if (rval) {
9083                                 ql_log(ql_log_warn, vha, 0x8001,
9084                                     "Unable to reinitialize FCE (%d).\n",
9085                                     rval);
9086                                 ha->flags.fce_enabled = 0;
9087                         }
9088                 }
9089
9090                 if (ha->eft) {
9091                         memset(ha->eft, 0, EFT_SIZE);
9092                         rval = qla2x00_enable_eft_trace(vha,
9093                             ha->eft_dma, EFT_NUM_BUFFERS);
9094                         if (rval) {
9095                                 ql_log(ql_log_warn, vha, 0x8010,
9096                                     "Unable to reinitialize EFT (%d).\n",
9097                                     rval);
9098                         }
9099                 }
9100         }
9101
9102         if (!status) {
9103                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
9104                     "qla82xx_restart_isp succeeded.\n");
9105
9106                 spin_lock_irqsave(&ha->vport_slock, flags);
9107                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
9108                         if (vp->vp_idx) {
9109                                 atomic_inc(&vp->vref_count);
9110                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
9111
9112                                 qla2x00_vp_abort_isp(vp);
9113
9114                                 spin_lock_irqsave(&ha->vport_slock, flags);
9115                                 atomic_dec(&vp->vref_count);
9116                         }
9117                 }
9118                 spin_unlock_irqrestore(&ha->vport_slock, flags);
9119
9120         } else {
9121                 ql_log(ql_log_warn, vha, 0x8016,
9122                     "qla82xx_restart_isp **** FAILED ****.\n");
9123         }
9124
9125         return status;
9126 }
9127
9128 /*
9129  * qla24xx_get_fcp_prio
9130  *      Gets the fcp cmd priority value for the logged in port.
9131  *      Looks for a match of the port descriptors within
9132  *      each of the fcp prio config entries. If a match is found,
9133  *      the tag (priority) value is returned.
9134  *
9135  * Input:
9136  *      vha = scsi host structure pointer.
9137  *      fcport = port structure pointer.
9138  *
9139  * Return:
9140  *      non-zero (if found)
9141  *      -1 (if not found)
9142  *
9143  * Context:
9144  *      Kernel context
9145  */
9146 static int
9147 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
9148 {
9149         int i, entries;
9150         uint8_t pid_match, wwn_match;
9151         int priority;
9152         uint32_t pid1, pid2;
9153         uint64_t wwn1, wwn2;
9154         struct qla_fcp_prio_entry *pri_entry;
9155         struct qla_hw_data *ha = vha->hw;
9156
9157         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
9158                 return -1;
9159
9160         priority = -1;
9161         entries = ha->fcp_prio_cfg->num_entries;
9162         pri_entry = &ha->fcp_prio_cfg->entry[0];
9163
9164         for (i = 0; i < entries; i++) {
9165                 pid_match = wwn_match = 0;
9166
9167                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
9168                         pri_entry++;
9169                         continue;
9170                 }
9171
9172                 /* check source pid for a match */
9173                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
9174                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
9175                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
9176                         if (pid1 == INVALID_PORT_ID)
9177                                 pid_match++;
9178                         else if (pid1 == pid2)
9179                                 pid_match++;
9180                 }
9181
9182                 /* check destination pid for a match */
9183                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
9184                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
9185                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
9186                         if (pid1 == INVALID_PORT_ID)
9187                                 pid_match++;
9188                         else if (pid1 == pid2)
9189                                 pid_match++;
9190                 }
9191
9192                 /* check source WWN for a match */
9193                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
9194                         wwn1 = wwn_to_u64(vha->port_name);
9195                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
9196                         if (wwn2 == (uint64_t)-1)
9197                                 wwn_match++;
9198                         else if (wwn1 == wwn2)
9199                                 wwn_match++;
9200                 }
9201
9202                 /* check destination WWN for a match */
9203                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
9204                         wwn1 = wwn_to_u64(fcport->port_name);
9205                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
9206                         if (wwn2 == (uint64_t)-1)
9207                                 wwn_match++;
9208                         else if (wwn1 == wwn2)
9209                                 wwn_match++;
9210                 }
9211
9212                 if (pid_match == 2 || wwn_match == 2) {
9213                         /* Found a matching entry */
9214                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
9215                                 priority = pri_entry->tag;
9216                         break;
9217                 }
9218
9219                 pri_entry++;
9220         }
9221
9222         return priority;
9223 }
9224
9225 /*
9226  * qla24xx_update_fcport_fcp_prio
9227  *      Activates fcp priority for the logged in fc port
9228  *
9229  * Input:
9230  *      vha = scsi host structure pointer.
9231  *      fcp = port structure pointer.
9232  *
9233  * Return:
9234  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
9235  *
9236  * Context:
9237  *      Kernel context.
9238  */
9239 int
9240 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
9241 {
9242         int ret;
9243         int priority;
9244         uint16_t mb[5];
9245
9246         if (fcport->port_type != FCT_TARGET ||
9247             fcport->loop_id == FC_NO_LOOP_ID)
9248                 return QLA_FUNCTION_FAILED;
9249
9250         priority = qla24xx_get_fcp_prio(vha, fcport);
9251         if (priority < 0)
9252                 return QLA_FUNCTION_FAILED;
9253
9254         if (IS_P3P_TYPE(vha->hw)) {
9255                 fcport->fcp_prio = priority & 0xf;
9256                 return QLA_SUCCESS;
9257         }
9258
9259         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
9260         if (ret == QLA_SUCCESS) {
9261                 if (fcport->fcp_prio != priority)
9262                         ql_dbg(ql_dbg_user, vha, 0x709e,
9263                             "Updated FCP_CMND priority - value=%d loop_id=%d "
9264                             "port_id=%02x%02x%02x.\n", priority,
9265                             fcport->loop_id, fcport->d_id.b.domain,
9266                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
9267                 fcport->fcp_prio = priority & 0xf;
9268         } else
9269                 ql_dbg(ql_dbg_user, vha, 0x704f,
9270                     "Unable to update FCP_CMND priority - ret=0x%x for "
9271                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
9272                     fcport->d_id.b.domain, fcport->d_id.b.area,
9273                     fcport->d_id.b.al_pa);
9274         return  ret;
9275 }
9276
9277 /*
9278  * qla24xx_update_all_fcp_prio
9279  *      Activates fcp priority for all the logged in ports
9280  *
9281  * Input:
9282  *      ha = adapter block pointer.
9283  *
9284  * Return:
9285  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
9286  *
9287  * Context:
9288  *      Kernel context.
9289  */
9290 int
9291 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
9292 {
9293         int ret;
9294         fc_port_t *fcport;
9295
9296         ret = QLA_FUNCTION_FAILED;
9297         /* We need to set priority for all logged in ports */
9298         list_for_each_entry(fcport, &vha->vp_fcports, list)
9299                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
9300
9301         return ret;
9302 }
9303
9304 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
9305         int vp_idx, bool startqp)
9306 {
9307         int rsp_id = 0;
9308         int  req_id = 0;
9309         int i;
9310         struct qla_hw_data *ha = vha->hw;
9311         uint16_t qpair_id = 0;
9312         struct qla_qpair *qpair = NULL;
9313         struct qla_msix_entry *msix;
9314
9315         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
9316                 ql_log(ql_log_warn, vha, 0x00181,
9317                     "FW/Driver is not multi-queue capable.\n");
9318                 return NULL;
9319         }
9320
9321         if (ql2xmqsupport || ql2xnvmeenable) {
9322                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
9323                 if (qpair == NULL) {
9324                         ql_log(ql_log_warn, vha, 0x0182,
9325                             "Failed to allocate memory for queue pair.\n");
9326                         return NULL;
9327                 }
9328
9329                 qpair->hw = vha->hw;
9330                 qpair->vha = vha;
9331                 qpair->qp_lock_ptr = &qpair->qp_lock;
9332                 spin_lock_init(&qpair->qp_lock);
9333                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
9334
9335                 /* Assign available que pair id */
9336                 mutex_lock(&ha->mq_lock);
9337                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
9338                 if (ha->num_qpairs >= ha->max_qpairs) {
9339                         mutex_unlock(&ha->mq_lock);
9340                         ql_log(ql_log_warn, vha, 0x0183,
9341                             "No resources to create additional q pair.\n");
9342                         goto fail_qid_map;
9343                 }
9344                 ha->num_qpairs++;
9345                 set_bit(qpair_id, ha->qpair_qid_map);
9346                 ha->queue_pair_map[qpair_id] = qpair;
9347                 qpair->id = qpair_id;
9348                 qpair->vp_idx = vp_idx;
9349                 qpair->fw_started = ha->flags.fw_started;
9350                 INIT_LIST_HEAD(&qpair->hints_list);
9351                 qpair->chip_reset = ha->base_qpair->chip_reset;
9352                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
9353                 qpair->enable_explicit_conf =
9354                     ha->base_qpair->enable_explicit_conf;
9355
9356                 for (i = 0; i < ha->msix_count; i++) {
9357                         msix = &ha->msix_entries[i];
9358                         if (msix->in_use)
9359                                 continue;
9360                         qpair->msix = msix;
9361                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
9362                             "Vector %x selected for qpair\n", msix->vector);
9363                         break;
9364                 }
9365                 if (!qpair->msix) {
9366                         ql_log(ql_log_warn, vha, 0x0184,
9367                             "Out of MSI-X vectors!.\n");
9368                         goto fail_msix;
9369                 }
9370
9371                 qpair->msix->in_use = 1;
9372                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
9373                 qpair->pdev = ha->pdev;
9374                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
9375                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
9376
9377                 mutex_unlock(&ha->mq_lock);
9378
9379                 /* Create response queue first */
9380                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
9381                 if (!rsp_id) {
9382                         ql_log(ql_log_warn, vha, 0x0185,
9383                             "Failed to create response queue.\n");
9384                         goto fail_rsp;
9385                 }
9386
9387                 qpair->rsp = ha->rsp_q_map[rsp_id];
9388
9389                 /* Create request queue */
9390                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
9391                     startqp);
9392                 if (!req_id) {
9393                         ql_log(ql_log_warn, vha, 0x0186,
9394                             "Failed to create request queue.\n");
9395                         goto fail_req;
9396                 }
9397
9398                 qpair->req = ha->req_q_map[req_id];
9399                 qpair->rsp->req = qpair->req;
9400                 qpair->rsp->qpair = qpair;
9401                 /* init qpair to this cpu. Will adjust at run time. */
9402                 qla_cpu_update(qpair, raw_smp_processor_id());
9403
9404                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
9405                         if (ha->fw_attributes & BIT_4)
9406                                 qpair->difdix_supported = 1;
9407                 }
9408
9409                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
9410                 if (!qpair->srb_mempool) {
9411                         ql_log(ql_log_warn, vha, 0xd036,
9412                             "Failed to create srb mempool for qpair %d\n",
9413                             qpair->id);
9414                         goto fail_mempool;
9415                 }
9416
9417                 /* Mark as online */
9418                 qpair->online = 1;
9419
9420                 if (!vha->flags.qpairs_available)
9421                         vha->flags.qpairs_available = 1;
9422
9423                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
9424                     "Request/Response queue pair created, id %d\n",
9425                     qpair->id);
9426                 ql_dbg(ql_dbg_init, vha, 0x0187,
9427                     "Request/Response queue pair created, id %d\n",
9428                     qpair->id);
9429         }
9430         return qpair;
9431
9432 fail_mempool:
9433 fail_req:
9434         qla25xx_delete_rsp_que(vha, qpair->rsp);
9435 fail_rsp:
9436         mutex_lock(&ha->mq_lock);
9437         qpair->msix->in_use = 0;
9438         list_del(&qpair->qp_list_elem);
9439         if (list_empty(&vha->qp_list))
9440                 vha->flags.qpairs_available = 0;
9441 fail_msix:
9442         ha->queue_pair_map[qpair_id] = NULL;
9443         clear_bit(qpair_id, ha->qpair_qid_map);
9444         ha->num_qpairs--;
9445         mutex_unlock(&ha->mq_lock);
9446 fail_qid_map:
9447         kfree(qpair);
9448         return NULL;
9449 }
9450
9451 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
9452 {
9453         int ret = QLA_FUNCTION_FAILED;
9454         struct qla_hw_data *ha = qpair->hw;
9455
9456         qpair->delete_in_progress = 1;
9457
9458         ret = qla25xx_delete_req_que(vha, qpair->req);
9459         if (ret != QLA_SUCCESS)
9460                 goto fail;
9461
9462         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
9463         if (ret != QLA_SUCCESS)
9464                 goto fail;
9465
9466         mutex_lock(&ha->mq_lock);
9467         ha->queue_pair_map[qpair->id] = NULL;
9468         clear_bit(qpair->id, ha->qpair_qid_map);
9469         ha->num_qpairs--;
9470         list_del(&qpair->qp_list_elem);
9471         if (list_empty(&vha->qp_list)) {
9472                 vha->flags.qpairs_available = 0;
9473                 vha->flags.qpairs_req_created = 0;
9474                 vha->flags.qpairs_rsp_created = 0;
9475         }
9476         mempool_destroy(qpair->srb_mempool);
9477         kfree(qpair);
9478         mutex_unlock(&ha->mq_lock);
9479
9480         return QLA_SUCCESS;
9481 fail:
9482         return ret;
9483 }
9484
9485 uint64_t
9486 qla2x00_count_set_bits(uint32_t num)
9487 {
9488         /* Brian Kernighan's Algorithm */
9489         u64 count = 0;
9490
9491         while (num) {
9492                 num &= (num - 1);
9493                 count++;
9494         }
9495         return count;
9496 }
9497
9498 uint64_t
9499 qla2x00_get_num_tgts(scsi_qla_host_t *vha)
9500 {
9501         fc_port_t *f, *tf;
9502         u64 count = 0;
9503
9504         f = NULL;
9505         tf = NULL;
9506
9507         list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
9508                 if (f->port_type != FCT_TARGET)
9509                         continue;
9510                 count++;
9511         }
9512         return count;
9513 }
9514
9515 int qla2xxx_reset_stats(struct Scsi_Host *host, u32 flags)
9516 {
9517         scsi_qla_host_t *vha = shost_priv(host);
9518         fc_port_t *fcport = NULL;
9519         unsigned long int_flags;
9520
9521         if (flags & QLA2XX_HW_ERROR)
9522                 vha->hw_err_cnt = 0;
9523         if (flags & QLA2XX_SHT_LNK_DWN)
9524                 vha->short_link_down_cnt = 0;
9525         if (flags & QLA2XX_INT_ERR)
9526                 vha->interface_err_cnt = 0;
9527         if (flags & QLA2XX_CMD_TIMEOUT)
9528                 vha->cmd_timeout_cnt = 0;
9529         if (flags & QLA2XX_RESET_CMD_ERR)
9530                 vha->reset_cmd_err_cnt = 0;
9531         if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
9532                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
9533                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
9534                         fcport->tgt_short_link_down_cnt = 0;
9535                         fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
9536                 }
9537                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
9538         }
9539         vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
9540         return 0;
9541 }
9542
9543 int qla2xxx_start_stats(struct Scsi_Host *host, u32 flags)
9544 {
9545         return qla2xxx_reset_stats(host, flags);
9546 }
9547
9548 int qla2xxx_stop_stats(struct Scsi_Host *host, u32 flags)
9549 {
9550         return qla2xxx_reset_stats(host, flags);
9551 }
9552
9553 int qla2xxx_get_ini_stats(struct Scsi_Host *host, u32 flags,
9554                           void *data, u64 size)
9555 {
9556         scsi_qla_host_t *vha = shost_priv(host);
9557         struct ql_vnd_host_stats_resp *resp = (struct ql_vnd_host_stats_resp *)data;
9558         struct ql_vnd_stats *rsp_data = &resp->stats;
9559         u64 ini_entry_count = 0;
9560         u64 i = 0;
9561         u64 entry_count = 0;
9562         u64 num_tgt = 0;
9563         u32 tmp_stat_type = 0;
9564         fc_port_t *fcport = NULL;
9565         unsigned long int_flags;
9566
9567         /* Copy stat type to work on it */
9568         tmp_stat_type = flags;
9569
9570         if (tmp_stat_type & BIT_17) {
9571                 num_tgt = qla2x00_get_num_tgts(vha);
9572                 /* unset BIT_17 */
9573                 tmp_stat_type &= ~(1 << 17);
9574         }
9575         ini_entry_count = qla2x00_count_set_bits(tmp_stat_type);
9576
9577         entry_count = ini_entry_count + num_tgt;
9578
9579         rsp_data->entry_count = entry_count;
9580
9581         i = 0;
9582         if (flags & QLA2XX_HW_ERROR) {
9583                 rsp_data->entry[i].stat_type = QLA2XX_HW_ERROR;
9584                 rsp_data->entry[i].tgt_num = 0x0;
9585                 rsp_data->entry[i].cnt = vha->hw_err_cnt;
9586                 i++;
9587         }
9588
9589         if (flags & QLA2XX_SHT_LNK_DWN) {
9590                 rsp_data->entry[i].stat_type = QLA2XX_SHT_LNK_DWN;
9591                 rsp_data->entry[i].tgt_num = 0x0;
9592                 rsp_data->entry[i].cnt = vha->short_link_down_cnt;
9593                 i++;
9594         }
9595
9596         if (flags & QLA2XX_INT_ERR) {
9597                 rsp_data->entry[i].stat_type = QLA2XX_INT_ERR;
9598                 rsp_data->entry[i].tgt_num = 0x0;
9599                 rsp_data->entry[i].cnt = vha->interface_err_cnt;
9600                 i++;
9601         }
9602
9603         if (flags & QLA2XX_CMD_TIMEOUT) {
9604                 rsp_data->entry[i].stat_type = QLA2XX_CMD_TIMEOUT;
9605                 rsp_data->entry[i].tgt_num = 0x0;
9606                 rsp_data->entry[i].cnt = vha->cmd_timeout_cnt;
9607                 i++;
9608         }
9609
9610         if (flags & QLA2XX_RESET_CMD_ERR) {
9611                 rsp_data->entry[i].stat_type = QLA2XX_RESET_CMD_ERR;
9612                 rsp_data->entry[i].tgt_num = 0x0;
9613                 rsp_data->entry[i].cnt = vha->reset_cmd_err_cnt;
9614                 i++;
9615         }
9616
9617         /* i will continue from previous loop, as target
9618          * entries are after initiator
9619          */
9620         if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
9621                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
9622                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
9623                         if (fcport->port_type != FCT_TARGET)
9624                                 continue;
9625                         if (!fcport->rport)
9626                                 continue;
9627                         rsp_data->entry[i].stat_type = QLA2XX_TGT_SHT_LNK_DOWN;
9628                         rsp_data->entry[i].tgt_num = fcport->rport->number;
9629                         rsp_data->entry[i].cnt = fcport->tgt_short_link_down_cnt;
9630                         i++;
9631                 }
9632                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
9633         }
9634         resp->status = EXT_STATUS_OK;
9635
9636         return 0;
9637 }
9638
9639 int qla2xxx_get_tgt_stats(struct Scsi_Host *host, u32 flags,
9640                           struct fc_rport *rport, void *data, u64 size)
9641 {
9642         struct ql_vnd_tgt_stats_resp *tgt_data = data;
9643         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
9644
9645         tgt_data->status = 0;
9646         tgt_data->stats.entry_count = 1;
9647         tgt_data->stats.entry[0].stat_type = flags;
9648         tgt_data->stats.entry[0].tgt_num = rport->number;
9649         tgt_data->stats.entry[0].cnt = fcport->tgt_short_link_down_cnt;
9650
9651         return 0;
9652 }
9653
9654 int qla2xxx_disable_port(struct Scsi_Host *host)
9655 {
9656         scsi_qla_host_t *vha = shost_priv(host);
9657
9658         vha->hw->flags.port_isolated = 1;
9659
9660         if (qla2x00_chip_is_down(vha))
9661                 return 0;
9662
9663         if (vha->flags.online) {
9664                 qla2x00_abort_isp_cleanup(vha);
9665                 qla2x00_wait_for_sess_deletion(vha);
9666         }
9667
9668         return 0;
9669 }
9670
9671 int qla2xxx_enable_port(struct Scsi_Host *host)
9672 {
9673         scsi_qla_host_t *vha = shost_priv(host);
9674
9675         vha->hw->flags.port_isolated = 0;
9676         /* Set the flag to 1, so that isp_abort can proceed */
9677         vha->flags.online = 1;
9678         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9679         qla2xxx_wake_dpc(vha);
9680
9681         return 0;
9682 }