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         scsi_qla_host_t *vha = sp->vha;
  51
  52         WARN_ON(irqs_disabled());
  53         iocb = &sp->u.iocb_cmd;
  54         iocb->timeout(sp);
  55
  56         /* ref: TMR */
  57         kref_put(&sp->cmd_kref, qla2x00_sp_release);
  58
  59         if (vha && qla2x00_isp_reg_stat(vha->hw)) {
  60                 ql_log(ql_log_info, vha, 0x9008,
  61                     "PCI/Register disconnect.\n");
  62                 qla_pci_set_eeh_busy(vha);
  63         }
  64 }
  65
  66 void qla2x00_sp_free(srb_t *sp)
  67 {
  68         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  69
  70         del_timer(&iocb->timer);
  71         qla2x00_rel_sp(sp);
  72 }
  73
  74 void qla2xxx_rel_done_warning(srb_t *sp, int res)
  75 {
  76         WARN_ONCE(1, "Calling done() of an already freed srb %p object\n", sp);
  77 }
  78
  79 void qla2xxx_rel_free_warning(srb_t *sp)
  80 {
  81         WARN_ONCE(1, "Calling free() of an already freed srb %p object\n", sp);
  82 }
  83
  84 /* Asynchronous Login/Logout Routines -------------------------------------- */
  85
  86 unsigned long
  87 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
  88 {
  89         unsigned long tmo;
  90         struct qla_hw_data *ha = vha->hw;
  91
  92         /* Firmware should use switch negotiated r_a_tov for timeout. */
  93         tmo = ha->r_a_tov / 10 * 2;
  94         if (IS_QLAFX00(ha)) {
  95                 tmo = FX00_DEF_RATOV * 2;
  96         } else if (!IS_FWI2_CAPABLE(ha)) {
  97                 /*
  98                  * Except for earlier ISPs where the timeout is seeded from the
  99                  * initialization control block.
 100                  */
 101                 tmo = ha->login_timeout;
 102         }
 103         return tmo;
 104 }
 105
 106 static void qla24xx_abort_iocb_timeout(void *data)
 107 {
 108         srb_t *sp = data;
 109         struct srb_iocb *abt = &sp->u.iocb_cmd;
 110         struct qla_qpair *qpair = sp->qpair;
 111         u32 handle;
 112         unsigned long flags;
 113         int sp_found = 0, cmdsp_found = 0;
 114
 115         if (sp->cmd_sp)
 116                 ql_dbg(ql_dbg_async, sp->vha, 0x507c,
 117                     "Abort timeout - cmd hdl=%x, cmd type=%x hdl=%x, type=%x\n",
 118                     sp->cmd_sp->handle, sp->cmd_sp->type,
 119                     sp->handle, sp->type);
 120         else
 121                 ql_dbg(ql_dbg_async, sp->vha, 0x507c,
 122                     "Abort timeout 2 - hdl=%x, type=%x\n",
 123                     sp->handle, sp->type);
 124
 125         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
 126         for (handle = 1; handle < qpair->req->num_outstanding_cmds; handle++) {
 127                 if (sp->cmd_sp && (qpair->req->outstanding_cmds[handle] ==
 128                     sp->cmd_sp)) {
 129                         qpair->req->outstanding_cmds[handle] = NULL;
 130                         cmdsp_found = 1;
 131                         qla_put_fw_resources(qpair, &sp->cmd_sp->iores);
 132                 }
 133
 134                 /* removing the abort */
 135                 if (qpair->req->outstanding_cmds[handle] == sp) {
 136                         qpair->req->outstanding_cmds[handle] = NULL;
 137                         sp_found = 1;
 138                         qla_put_fw_resources(qpair, &sp->iores);
 139                         break;
 140                 }
 141         }
 142         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
 143
 144         if (cmdsp_found && sp->cmd_sp) {
 145                 /*
 146                  * This done function should take care of
 147                  * original command ref: INIT
 148                  */
 149                 sp->cmd_sp->done(sp->cmd_sp, QLA_OS_TIMER_EXPIRED);
 150         }
 151
 152         if (sp_found) {
 153                 abt->u.abt.comp_status = cpu_to_le16(CS_TIMEOUT);
 154                 sp->done(sp, QLA_OS_TIMER_EXPIRED);
 155         }
 156 }
 157
 158 static void qla24xx_abort_sp_done(srb_t *sp, int res)
 159 {
 160         struct srb_iocb *abt = &sp->u.iocb_cmd;
 161         srb_t *orig_sp = sp->cmd_sp;
 162
 163         if (orig_sp)
 164                 qla_wait_nvme_release_cmd_kref(orig_sp);
 165
 166         if (sp->flags & SRB_WAKEUP_ON_COMP)
 167                 complete(&abt->u.abt.comp);
 168         else
 169                 /* ref: INIT */
 170                 kref_put(&sp->cmd_kref, qla2x00_sp_release);
 171 }
 172
 173 int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
 174 {
 175         scsi_qla_host_t *vha = cmd_sp->vha;
 176         struct srb_iocb *abt_iocb;
 177         srb_t *sp;
 178         int rval = QLA_FUNCTION_FAILED;
 179
 180         /* ref: INIT for ABTS command */
 181         sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport,
 182                                   GFP_ATOMIC);
 183         if (!sp)
 184                 return QLA_MEMORY_ALLOC_FAILED;
 185
 186         qla_vha_mark_busy(vha);
 187         abt_iocb = &sp->u.iocb_cmd;
 188         sp->type = SRB_ABT_CMD;
 189         sp->name = "abort";
 190         sp->qpair = cmd_sp->qpair;
 191         sp->cmd_sp = cmd_sp;
 192         if (wait)
 193                 sp->flags = SRB_WAKEUP_ON_COMP;
 194
 195         init_completion(&abt_iocb->u.abt.comp);
 196         /* FW can send 2 x ABTS's timeout/20s */
 197         qla2x00_init_async_sp(sp, 42, qla24xx_abort_sp_done);
 198         sp->u.iocb_cmd.timeout = qla24xx_abort_iocb_timeout;
 199
 200         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
 201         abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id);
 202
 203         ql_dbg(ql_dbg_async, vha, 0x507c,
 204                "Abort command issued - hdl=%x, type=%x\n", cmd_sp->handle,
 205                cmd_sp->type);
 206
 207         rval = qla2x00_start_sp(sp);
 208         if (rval != QLA_SUCCESS) {
 209                 /* ref: INIT */
 210                 kref_put(&sp->cmd_kref, qla2x00_sp_release);
 211                 return rval;
 212         }
 213
 214         if (wait) {
 215                 wait_for_completion(&abt_iocb->u.abt.comp);
 216                 rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
 217                         QLA_SUCCESS : QLA_ERR_FROM_FW;
 218                 /* ref: INIT */
 219                 kref_put(&sp->cmd_kref, qla2x00_sp_release);
 220         }
 221
 222         return rval;
 223 }
 224
 225 void
 226 qla2x00_async_iocb_timeout(void *data)
 227 {
 228         srb_t *sp = data;
 229         fc_port_t *fcport = sp->fcport;
 230         struct srb_iocb *lio = &sp->u.iocb_cmd;
 231         int rc, h;
 232         unsigned long flags;
 233
 234         if (fcport) {
 235                 ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 236                     "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
 237                     sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
 238
 239                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 240         } else {
 241                 pr_info("Async-%s timeout - hdl=%x.\n",
 242                     sp->name, sp->handle);
 243         }
 244
 245         switch (sp->type) {
 246         case SRB_LOGIN_CMD:
 247                 rc = qla24xx_async_abort_cmd(sp, false);
 248                 if (rc) {
 249                         /* Retry as needed. */
 250                         lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 251                         lio->u.logio.data[1] =
 252                                 lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 253                                 QLA_LOGIO_LOGIN_RETRIED : 0;
 254                         spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
 255                         for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
 256                             h++) {
 257                                 if (sp->qpair->req->outstanding_cmds[h] ==
 258                                     sp) {
 259                                         sp->qpair->req->outstanding_cmds[h] =
 260                                             NULL;
 261                                         break;
 262                                 }
 263                         }
 264                         spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
 265                         sp->done(sp, QLA_FUNCTION_TIMEOUT);
 266                 }
 267                 break;
 268         case SRB_LOGOUT_CMD:
 269         case SRB_CT_PTHRU_CMD:
 270         case SRB_MB_IOCB:
 271         case SRB_NACK_PLOGI:
 272         case SRB_NACK_PRLI:
 273         case SRB_NACK_LOGO:
 274         case SRB_CTRL_VP:
 275         default:
 276                 rc = qla24xx_async_abort_cmd(sp, false);
 277                 if (rc) {
 278                         spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
 279                         for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
 280                             h++) {
 281                                 if (sp->qpair->req->outstanding_cmds[h] ==
 282                                     sp) {
 283                                         sp->qpair->req->outstanding_cmds[h] =
 284                                             NULL;
 285                                         break;
 286                                 }
 287                         }
 288                         spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
 289                         sp->done(sp, QLA_FUNCTION_TIMEOUT);
 290                 }
 291                 break;
 292         }
 293 }
 294
 295 static void qla2x00_async_login_sp_done(srb_t *sp, int res)
 296 {
 297         struct scsi_qla_host *vha = sp->vha;
 298         struct srb_iocb *lio = &sp->u.iocb_cmd;
 299         struct event_arg ea;
 300
 301         ql_dbg(ql_dbg_disc, vha, 0x20dd,
 302             "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
 303
 304         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 305
 306         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 307                 memset(&ea, 0, sizeof(ea));
 308                 ea.fcport = sp->fcport;
 309                 ea.data[0] = lio->u.logio.data[0];
 310                 ea.data[1] = lio->u.logio.data[1];
 311                 ea.iop[0] = lio->u.logio.iop[0];
 312                 ea.iop[1] = lio->u.logio.iop[1];
 313                 ea.sp = sp;
 314                 if (res)
 315                         ea.data[0] = MBS_COMMAND_ERROR;
 316                 qla24xx_handle_plogi_done_event(vha, &ea);
 317         }
 318
 319         /* ref: INIT */
 320         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 321 }
 322
 323 int
 324 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 325     uint16_t *data)
 326 {
 327         srb_t *sp;
 328         struct srb_iocb *lio;
 329         int rval = QLA_FUNCTION_FAILED;
 330
 331         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
 332             fcport->loop_id == FC_NO_LOOP_ID) {
 333                 ql_log(ql_log_warn, vha, 0xffff,
 334                     "%s: %8phC - not sending command.\n",
 335                     __func__, fcport->port_name);
 336                 return rval;
 337         }
 338
 339         /* ref: INIT */
 340         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 341         if (!sp)
 342                 goto done;
 343
 344         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
 345         fcport->flags |= FCF_ASYNC_SENT;
 346         fcport->logout_completed = 0;
 347
 348         sp->type = SRB_LOGIN_CMD;
 349         sp->name = "login";
 350         sp->gen1 = fcport->rscn_gen;
 351         sp->gen2 = fcport->login_gen;
 352         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
 353                               qla2x00_async_login_sp_done);
 354
 355         lio = &sp->u.iocb_cmd;
 356         if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport)) {
 357                 lio->u.logio.flags |= SRB_LOGIN_PRLI_ONLY;
 358         } else {
 359                 if (vha->hw->flags.edif_enabled &&
 360                     DBELL_ACTIVE(vha)) {
 361                         lio->u.logio.flags |=
 362                                 (SRB_LOGIN_FCSP | SRB_LOGIN_SKIP_PRLI);
 363                 } else {
 364                         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 365                 }
 366         }
 367
 368         if (NVME_TARGET(vha->hw, fcport))
 369                 lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
 370
 371         rval = qla2x00_start_sp(sp);
 372
 373         ql_dbg(ql_dbg_disc, vha, 0x2072,
 374                "Async-login - %8phC hdl=%x, loopid=%x portid=%06x retries=%d %s.\n",
 375                fcport->port_name, sp->handle, fcport->loop_id,
 376                fcport->d_id.b24, fcport->login_retry,
 377                lio->u.logio.flags & SRB_LOGIN_FCSP ? "FCSP" : "");
 378
 379         if (rval != QLA_SUCCESS) {
 380                 fcport->flags |= FCF_LOGIN_NEEDED;
 381                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 382                 goto done_free_sp;
 383         }
 384
 385         return rval;
 386
 387 done_free_sp:
 388         /* ref: INIT */
 389         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 390         fcport->flags &= ~FCF_ASYNC_SENT;
 391 done:
 392         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 393
 394         /*
 395          * async login failed. Could be due to iocb/exchange resource
 396          * being low. Set state DELETED for re-login process to start again.
 397          */
 398         qla2x00_set_fcport_disc_state(fcport, DSC_DELETED);
 399         return rval;
 400 }
 401
 402 static void qla2x00_async_logout_sp_done(srb_t *sp, int res)
 403 {
 404         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 405         sp->fcport->login_gen++;
 406         qlt_logo_completion_handler(sp->fcport, sp->u.iocb_cmd.u.logio.data[0]);
 407         /* ref: INIT */
 408         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 409 }
 410
 411 int
 412 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 413 {
 414         srb_t *sp;
 415         int rval = QLA_FUNCTION_FAILED;
 416
 417         fcport->flags |= FCF_ASYNC_SENT;
 418         /* ref: INIT */
 419         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 420         if (!sp)
 421                 goto done;
 422
 423         sp->type = SRB_LOGOUT_CMD;
 424         sp->name = "logout";
 425         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
 426                               qla2x00_async_logout_sp_done),
 427
 428         ql_dbg(ql_dbg_disc, vha, 0x2070,
 429             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC explicit %d.\n",
 430             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 431                 fcport->d_id.b.area, fcport->d_id.b.al_pa,
 432                 fcport->port_name, fcport->explicit_logout);
 433
 434         rval = qla2x00_start_sp(sp);
 435         if (rval != QLA_SUCCESS)
 436                 goto done_free_sp;
 437         return rval;
 438
 439 done_free_sp:
 440         /* ref: INIT */
 441         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 442 done:
 443         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 444         return rval;
 445 }
 446
 447 void
 448 qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 449     uint16_t *data)
 450 {
 451         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 452         /* Don't re-login in target mode */
 453         if (!fcport->tgt_session)
 454                 qla2x00_mark_device_lost(vha, fcport, 1);
 455         qlt_logo_completion_handler(fcport, data[0]);
 456 }
 457
 458 static void qla2x00_async_prlo_sp_done(srb_t *sp, int res)
 459 {
 460         struct srb_iocb *lio = &sp->u.iocb_cmd;
 461         struct scsi_qla_host *vha = sp->vha;
 462
 463         sp->fcport->flags &= ~FCF_ASYNC_ACTIVE;
 464         if (!test_bit(UNLOADING, &vha->dpc_flags))
 465                 qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport,
 466                     lio->u.logio.data);
 467         /* ref: INIT */
 468         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 469 }
 470
 471 int
 472 qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport)
 473 {
 474         srb_t *sp;
 475         int rval;
 476
 477         rval = QLA_FUNCTION_FAILED;
 478         /* ref: INIT */
 479         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 480         if (!sp)
 481                 goto done;
 482
 483         sp->type = SRB_PRLO_CMD;
 484         sp->name = "prlo";
 485         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
 486                               qla2x00_async_prlo_sp_done);
 487
 488         ql_dbg(ql_dbg_disc, vha, 0x2070,
 489             "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 490             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 491             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 492
 493         rval = qla2x00_start_sp(sp);
 494         if (rval != QLA_SUCCESS)
 495                 goto done_free_sp;
 496
 497         return rval;
 498
 499 done_free_sp:
 500         /* ref: INIT */
 501         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 502 done:
 503         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 504         return rval;
 505 }
 506
 507 static
 508 void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
 509 {
 510         struct fc_port *fcport = ea->fcport;
 511         unsigned long flags;
 512
 513         ql_dbg(ql_dbg_disc, vha, 0x20d2,
 514             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
 515             __func__, fcport->port_name, fcport->disc_state,
 516             fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
 517             fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
 518
 519         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
 520                   ea->data[0]);
 521
 522         if (ea->data[0] != MBS_COMMAND_COMPLETE) {
 523                 ql_dbg(ql_dbg_disc, vha, 0x2066,
 524                     "%s %8phC: adisc fail: post delete\n",
 525                     __func__, ea->fcport->port_name);
 526
 527                 spin_lock_irqsave(&vha->work_lock, flags);
 528                 /* deleted = 0 & logout_on_delete = force fw cleanup */
 529                 if (fcport->deleted == QLA_SESS_DELETED)
 530                         fcport->deleted = 0;
 531
 532                 fcport->logout_on_delete = 1;
 533                 spin_unlock_irqrestore(&vha->work_lock, flags);
 534
 535                 qlt_schedule_sess_for_deletion(ea->fcport);
 536                 return;
 537         }
 538
 539         if (ea->fcport->disc_state == DSC_DELETE_PEND)
 540                 return;
 541
 542         if (ea->sp->gen2 != ea->fcport->login_gen) {
 543                 /* target side must have changed it. */
 544                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
 545                     "%s %8phC generation changed\n",
 546                     __func__, ea->fcport->port_name);
 547                 return;
 548         } else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
 549                 qla_rscn_replay(fcport);
 550                 qlt_schedule_sess_for_deletion(fcport);
 551                 return;
 552         }
 553
 554         __qla24xx_handle_gpdb_event(vha, ea);
 555 }
 556
 557 static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 558 {
 559         struct qla_work_evt *e;
 560
 561         e = qla2x00_alloc_work(vha, QLA_EVT_ELS_PLOGI);
 562         if (!e)
 563                 return QLA_FUNCTION_FAILED;
 564
 565         e->u.fcport.fcport = fcport;
 566         fcport->flags |= FCF_ASYNC_ACTIVE;
 567         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
 568         return qla2x00_post_work(vha, e);
 569 }
 570
 571 static void qla2x00_async_adisc_sp_done(srb_t *sp, int res)
 572 {
 573         struct scsi_qla_host *vha = sp->vha;
 574         struct event_arg ea;
 575         struct srb_iocb *lio = &sp->u.iocb_cmd;
 576
 577         ql_dbg(ql_dbg_disc, vha, 0x2066,
 578             "Async done-%s res %x %8phC\n",
 579             sp->name, res, sp->fcport->port_name);
 580
 581         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 582
 583         memset(&ea, 0, sizeof(ea));
 584         ea.rc = res;
 585         ea.data[0] = lio->u.logio.data[0];
 586         ea.data[1] = lio->u.logio.data[1];
 587         ea.iop[0] = lio->u.logio.iop[0];
 588         ea.iop[1] = lio->u.logio.iop[1];
 589         ea.fcport = sp->fcport;
 590         ea.sp = sp;
 591         if (res)
 592                 ea.data[0] = MBS_COMMAND_ERROR;
 593
 594         qla24xx_handle_adisc_event(vha, &ea);
 595         /* ref: INIT */
 596         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 597 }
 598
 599 int
 600 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 601     uint16_t *data)
 602 {
 603         srb_t *sp;
 604         struct srb_iocb *lio;
 605         int rval = QLA_FUNCTION_FAILED;
 606
 607         if (IS_SESSION_DELETED(fcport)) {
 608                 ql_log(ql_log_warn, vha, 0xffff,
 609                        "%s: %8phC is being delete - not sending command.\n",
 610                        __func__, fcport->port_name);
 611                 fcport->flags &= ~FCF_ASYNC_ACTIVE;
 612                 return rval;
 613         }
 614
 615         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 616                 return rval;
 617
 618         fcport->flags |= FCF_ASYNC_SENT;
 619         /* ref: INIT */
 620         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 621         if (!sp)
 622                 goto done;
 623
 624         sp->type = SRB_ADISC_CMD;
 625         sp->name = "adisc";
 626         sp->gen1 = fcport->rscn_gen;
 627         sp->gen2 = fcport->login_gen;
 628         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
 629                               qla2x00_async_adisc_sp_done);
 630
 631         if (data[1] & QLA_LOGIO_LOGIN_RETRIED) {
 632                 lio = &sp->u.iocb_cmd;
 633                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 634         }
 635
 636         ql_dbg(ql_dbg_disc, vha, 0x206f,
 637             "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n",
 638             sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name);
 639
 640         rval = qla2x00_start_sp(sp);
 641         if (rval != QLA_SUCCESS)
 642                 goto done_free_sp;
 643
 644         return rval;
 645
 646 done_free_sp:
 647         /* ref: INIT */
 648         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 649 done:
 650         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 651         qla2x00_post_async_adisc_work(vha, fcport, data);
 652         return rval;
 653 }
 654
 655 static bool qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id)
 656 {
 657         struct qla_hw_data *ha = vha->hw;
 658
 659         if (IS_FWI2_CAPABLE(ha))
 660                 return loop_id > NPH_LAST_HANDLE;
 661
 662         return (loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) ||
 663                 loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST;
 664 }
 665
 666 /**
 667  * qla2x00_find_new_loop_id - scan through our port list and find a new usable loop ID
 668  * @vha: adapter state pointer.
 669  * @dev: port structure pointer.
 670  *
 671  * Returns:
 672  *      qla2x00 local function return status code.
 673  *
 674  * Context:
 675  *      Kernel context.
 676  */
 677 static int qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
 678 {
 679         int     rval;
 680         struct qla_hw_data *ha = vha->hw;
 681         unsigned long flags = 0;
 682
 683         rval = QLA_SUCCESS;
 684
 685         spin_lock_irqsave(&ha->vport_slock, flags);
 686
 687         dev->loop_id = find_first_zero_bit(ha->loop_id_map, LOOPID_MAP_SIZE);
 688         if (dev->loop_id >= LOOPID_MAP_SIZE ||
 689             qla2x00_is_reserved_id(vha, dev->loop_id)) {
 690                 dev->loop_id = FC_NO_LOOP_ID;
 691                 rval = QLA_FUNCTION_FAILED;
 692         } else {
 693                 set_bit(dev->loop_id, ha->loop_id_map);
 694         }
 695         spin_unlock_irqrestore(&ha->vport_slock, flags);
 696
 697         if (rval == QLA_SUCCESS)
 698                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
 699                        "Assigning new loopid=%x, portid=%x.\n",
 700                        dev->loop_id, dev->d_id.b24);
 701         else
 702                 ql_log(ql_log_warn, dev->vha, 0x2087,
 703                        "No loop_id's available, portid=%x.\n",
 704                        dev->d_id.b24);
 705
 706         return rval;
 707 }
 708
 709 void qla2x00_clear_loop_id(fc_port_t *fcport)
 710 {
 711         struct qla_hw_data *ha = fcport->vha->hw;
 712
 713         if (fcport->loop_id == FC_NO_LOOP_ID ||
 714             qla2x00_is_reserved_id(fcport->vha, fcport->loop_id))
 715                 return;
 716
 717         clear_bit(fcport->loop_id, ha->loop_id_map);
 718         fcport->loop_id = FC_NO_LOOP_ID;
 719 }
 720
 721 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
 722         struct event_arg *ea)
 723 {
 724         fc_port_t *fcport, *conflict_fcport;
 725         struct get_name_list_extended *e;
 726         u16 i, n, found = 0, loop_id;
 727         port_id_t id;
 728         u64 wwn;
 729         u16 data[2];
 730         u8 current_login_state, nvme_cls;
 731
 732         fcport = ea->fcport;
 733         ql_dbg(ql_dbg_disc, vha, 0xffff,
 734             "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d edif %d\n",
 735             __func__, fcport->port_name, fcport->disc_state,
 736             fcport->fw_login_state, ea->rc,
 737             fcport->login_gen, fcport->last_login_gen,
 738             fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id, fcport->edif.enable);
 739
 740         if (fcport->disc_state == DSC_DELETE_PEND)
 741                 return;
 742
 743         if (ea->rc) { /* rval */
 744                 if (fcport->login_retry == 0) {
 745                         ql_dbg(ql_dbg_disc, vha, 0x20de,
 746                             "GNL failed Port login retry %8phN, retry cnt=%d.\n",
 747                             fcport->port_name, fcport->login_retry);
 748                 }
 749                 return;
 750         }
 751
 752         if (fcport->last_rscn_gen != fcport->rscn_gen) {
 753                 qla_rscn_replay(fcport);
 754                 qlt_schedule_sess_for_deletion(fcport);
 755                 return;
 756         } else if (fcport->last_login_gen != fcport->login_gen) {
 757                 ql_dbg(ql_dbg_disc, vha, 0x20e0,
 758                     "%s %8phC login gen changed\n",
 759                     __func__, fcport->port_name);
 760                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 761                 return;
 762         }
 763
 764         n = ea->data[0] / sizeof(struct get_name_list_extended);
 765
 766         ql_dbg(ql_dbg_disc, vha, 0x20e1,
 767             "%s %d %8phC n %d %02x%02x%02x lid %d \n",
 768             __func__, __LINE__, fcport->port_name, n,
 769             fcport->d_id.b.domain, fcport->d_id.b.area,
 770             fcport->d_id.b.al_pa, fcport->loop_id);
 771
 772         for (i = 0; i < n; i++) {
 773                 e = &vha->gnl.l[i];
 774                 wwn = wwn_to_u64(e->port_name);
 775                 id.b.domain = e->port_id[2];
 776                 id.b.area = e->port_id[1];
 777                 id.b.al_pa = e->port_id[0];
 778                 id.b.rsvd_1 = 0;
 779
 780                 if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
 781                         continue;
 782
 783                 if (IS_SW_RESV_ADDR(id))
 784                         continue;
 785
 786                 found = 1;
 787
 788                 loop_id = le16_to_cpu(e->nport_handle);
 789                 loop_id = (loop_id & 0x7fff);
 790                 nvme_cls = e->current_login_state >> 4;
 791                 current_login_state = e->current_login_state & 0xf;
 792
 793                 if (PRLI_PHASE(nvme_cls)) {
 794                         current_login_state = nvme_cls;
 795                         fcport->fc4_type &= ~FS_FC4TYPE_FCP;
 796                         fcport->fc4_type |= FS_FC4TYPE_NVME;
 797                 } else if (PRLI_PHASE(current_login_state)) {
 798                         fcport->fc4_type |= FS_FC4TYPE_FCP;
 799                         fcport->fc4_type &= ~FS_FC4TYPE_NVME;
 800                 }
 801
 802                 ql_dbg(ql_dbg_disc, vha, 0x20e2,
 803                     "%s found %8phC CLS [%x|%x] fc4_type %d ID[%06x|%06x] lid[%d|%d]\n",
 804                     __func__, fcport->port_name,
 805                     e->current_login_state, fcport->fw_login_state,
 806                     fcport->fc4_type, id.b24, fcport->d_id.b24,
 807                     loop_id, fcport->loop_id);
 808
 809                 switch (fcport->disc_state) {
 810                 case DSC_DELETE_PEND:
 811                 case DSC_DELETED:
 812                         break;
 813                 default:
 814                         if ((id.b24 != fcport->d_id.b24 &&
 815                             fcport->d_id.b24 &&
 816                             fcport->loop_id != FC_NO_LOOP_ID) ||
 817                             (fcport->loop_id != FC_NO_LOOP_ID &&
 818                                 fcport->loop_id != loop_id)) {
 819                                 ql_dbg(ql_dbg_disc, vha, 0x20e3,
 820                                     "%s %d %8phC post del sess\n",
 821                                     __func__, __LINE__, fcport->port_name);
 822                                 if (fcport->n2n_flag)
 823                                         fcport->d_id.b24 = 0;
 824                                 qlt_schedule_sess_for_deletion(fcport);
 825                                 return;
 826                         }
 827                         break;
 828                 }
 829
 830                 fcport->loop_id = loop_id;
 831                 if (fcport->n2n_flag)
 832                         fcport->d_id.b24 = id.b24;
 833
 834                 wwn = wwn_to_u64(fcport->port_name);
 835                 qlt_find_sess_invalidate_other(vha, wwn,
 836                         id, loop_id, &conflict_fcport);
 837
 838                 if (conflict_fcport) {
 839                         /*
 840                          * Another share fcport share the same loop_id &
 841                          * nport id. Conflict fcport needs to finish
 842                          * cleanup before this fcport can proceed to login.
 843                          */
 844                         conflict_fcport->conflict = fcport;
 845                         fcport->login_pause = 1;
 846                 }
 847
 848                 switch (vha->hw->current_topology) {
 849                 default:
 850                         switch (current_login_state) {
 851                         case DSC_LS_PRLI_COMP:
 852                                 ql_dbg(ql_dbg_disc,
 853                                     vha, 0x20e4, "%s %d %8phC post gpdb\n",
 854                                     __func__, __LINE__, fcport->port_name);
 855
 856                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 857                                         fcport->port_type = FCT_INITIATOR;
 858                                 else
 859                                         fcport->port_type = FCT_TARGET;
 860                                 data[0] = data[1] = 0;
 861                                 qla2x00_post_async_adisc_work(vha, fcport,
 862                                     data);
 863                                 break;
 864                         case DSC_LS_PLOGI_COMP:
 865                                 if (vha->hw->flags.edif_enabled) {
 866                                         /* check to see if App support Secure */
 867                                         qla24xx_post_gpdb_work(vha, fcport, 0);
 868                                         break;
 869                                 }
 870                                 fallthrough;
 871                         case DSC_LS_PORT_UNAVAIL:
 872                         default:
 873                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
 874                                         qla2x00_find_new_loop_id(vha, fcport);
 875                                         fcport->fw_login_state =
 876                                             DSC_LS_PORT_UNAVAIL;
 877                                 }
 878                                 ql_dbg(ql_dbg_disc, vha, 0x20e5,
 879                                     "%s %d %8phC\n", __func__, __LINE__,
 880                                     fcport->port_name);
 881                                 qla24xx_fcport_handle_login(vha, fcport);
 882                                 break;
 883                         }
 884                         break;
 885                 case ISP_CFG_N:
 886                         fcport->fw_login_state = current_login_state;
 887                         fcport->d_id = id;
 888                         switch (current_login_state) {
 889                         case DSC_LS_PRLI_PEND:
 890                                 /*
 891                                  * In the middle of PRLI. Let it finish.
 892                                  * Allow relogin code to recheck state again
 893                                  * with GNL. Push disc_state back to DELETED
 894                                  * so GNL can go out again
 895                                  */
 896                                 qla2x00_set_fcport_disc_state(fcport,
 897                                     DSC_DELETED);
 898                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 899                                 break;
 900                         case DSC_LS_PRLI_COMP:
 901                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 902                                         fcport->port_type = FCT_INITIATOR;
 903                                 else
 904                                         fcport->port_type = FCT_TARGET;
 905
 906                                 data[0] = data[1] = 0;
 907                                 qla2x00_post_async_adisc_work(vha, fcport,
 908                                     data);
 909                                 break;
 910                         case DSC_LS_PLOGI_COMP:
 911                                 if (vha->hw->flags.edif_enabled &&
 912                                     DBELL_ACTIVE(vha)) {
 913                                         /* check to see if App support secure or not */
 914                                         qla24xx_post_gpdb_work(vha, fcport, 0);
 915                                         break;
 916                                 }
 917                                 if (fcport_is_bigger(fcport)) {
 918                                         /* local adapter is smaller */
 919                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 920                                                 qla2x00_clear_loop_id(fcport);
 921
 922                                         fcport->loop_id = loop_id;
 923                                         qla24xx_fcport_handle_login(vha,
 924                                             fcport);
 925                                         break;
 926                                 }
 927                                 fallthrough;
 928                         default:
 929                                 if (fcport_is_smaller(fcport)) {
 930                                         /* local adapter is bigger */
 931                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 932                                                 qla2x00_clear_loop_id(fcport);
 933
 934                                         fcport->loop_id = loop_id;
 935                                         qla24xx_fcport_handle_login(vha,
 936                                             fcport);
 937                                 }
 938                                 break;
 939                         }
 940                         break;
 941                 } /* switch (ha->current_topology) */
 942         }
 943
 944         if (!found) {
 945                 switch (vha->hw->current_topology) {
 946                 case ISP_CFG_F:
 947                 case ISP_CFG_FL:
 948                         for (i = 0; i < n; i++) {
 949                                 e = &vha->gnl.l[i];
 950                                 id.b.domain = e->port_id[0];
 951                                 id.b.area = e->port_id[1];
 952                                 id.b.al_pa = e->port_id[2];
 953                                 id.b.rsvd_1 = 0;
 954                                 loop_id = le16_to_cpu(e->nport_handle);
 955
 956                                 if (fcport->d_id.b24 == id.b24) {
 957                                         conflict_fcport =
 958                                             qla2x00_find_fcport_by_wwpn(vha,
 959                                                 e->port_name, 0);
 960                                         if (conflict_fcport) {
 961                                                 ql_dbg(ql_dbg_disc + ql_dbg_verbose,
 962                                                     vha, 0x20e5,
 963                                                     "%s %d %8phC post del sess\n",
 964                                                     __func__, __LINE__,
 965                                                     conflict_fcport->port_name);
 966                                                 qlt_schedule_sess_for_deletion
 967                                                         (conflict_fcport);
 968                                         }
 969                                 }
 970                                 /*
 971                                  * FW already picked this loop id for
 972                                  * another fcport
 973                                  */
 974                                 if (fcport->loop_id == loop_id)
 975                                         fcport->loop_id = FC_NO_LOOP_ID;
 976                         }
 977                         qla24xx_fcport_handle_login(vha, fcport);
 978                         break;
 979                 case ISP_CFG_N:
 980                         qla2x00_set_fcport_disc_state(fcport, DSC_DELETED);
 981                         if (time_after_eq(jiffies, fcport->dm_login_expire)) {
 982                                 if (fcport->n2n_link_reset_cnt < 2) {
 983                                         fcport->n2n_link_reset_cnt++;
 984                                         /*
 985                                          * remote port is not sending PLOGI.
 986                                          * Reset link to kick start his state
 987                                          * machine
 988                                          */
 989                                         set_bit(N2N_LINK_RESET,
 990                                             &vha->dpc_flags);
 991                                 } else {
 992                                         if (fcport->n2n_chip_reset < 1) {
 993                                                 ql_log(ql_log_info, vha, 0x705d,
 994                                                     "Chip reset to bring laser down");
 995                                                 set_bit(ISP_ABORT_NEEDED,
 996                                                     &vha->dpc_flags);
 997                                                 fcport->n2n_chip_reset++;
 998                                         } else {
 999                                                 ql_log(ql_log_info, vha, 0x705d,
1000                                                     "Remote port %8ph is not coming back\n",
1001                                                     fcport->port_name);
1002                                                 fcport->scan_state = 0;
1003                                         }
1004                                 }
1005                                 qla2xxx_wake_dpc(vha);
1006                         } else {
1007                                 /*
1008                                  * report port suppose to do PLOGI. Give him
1009                                  * more time. FW will catch it.
1010                                  */
1011                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1012                         }
1013                         break;
1014                 case ISP_CFG_NL:
1015                         qla24xx_fcport_handle_login(vha, fcport);
1016                         break;
1017                 default:
1018                         break;
1019                 }
1020         }
1021 } /* gnl_event */
1022
1023 static void qla24xx_async_gnl_sp_done(srb_t *sp, int res)
1024 {
1025         struct scsi_qla_host *vha = sp->vha;
1026         unsigned long flags;
1027         struct fc_port *fcport = NULL, *tf;
1028         u16 i, n = 0, loop_id;
1029         struct event_arg ea;
1030         struct get_name_list_extended *e;
1031         u64 wwn;
1032         struct list_head h;
1033         bool found = false;
1034
1035         ql_dbg(ql_dbg_disc, vha, 0x20e7,
1036             "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
1037             sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
1038             sp->u.iocb_cmd.u.mbx.in_mb[2]);
1039
1040
1041         sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE);
1042         memset(&ea, 0, sizeof(ea));
1043         ea.sp = sp;
1044         ea.rc = res;
1045
1046         if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
1047             sizeof(struct get_name_list_extended)) {
1048                 n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
1049                     sizeof(struct get_name_list_extended);
1050                 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
1051         }
1052
1053         for (i = 0; i < n; i++) {
1054                 e = &vha->gnl.l[i];
1055                 loop_id = le16_to_cpu(e->nport_handle);
1056                 /* mask out reserve bit */
1057                 loop_id = (loop_id & 0x7fff);
1058                 set_bit(loop_id, vha->hw->loop_id_map);
1059                 wwn = wwn_to_u64(e->port_name);
1060
1061                 ql_dbg(ql_dbg_disc, vha, 0x20e8,
1062                     "%s %8phC %02x:%02x:%02x CLS %x/%x lid %x \n",
1063                     __func__, &wwn, e->port_id[2], e->port_id[1],
1064                     e->port_id[0], e->current_login_state, e->last_login_state,
1065                     (loop_id & 0x7fff));
1066         }
1067
1068         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1069
1070         INIT_LIST_HEAD(&h);
1071         fcport = tf = NULL;
1072         if (!list_empty(&vha->gnl.fcports))
1073                 list_splice_init(&vha->gnl.fcports, &h);
1074         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1075
1076         list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
1077                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1078                 list_del_init(&fcport->gnl_entry);
1079                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1080                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1081                 ea.fcport = fcport;
1082
1083                 qla24xx_handle_gnl_done_event(vha, &ea);
1084         }
1085
1086         /* create new fcport if fw has knowledge of new sessions */
1087         for (i = 0; i < n; i++) {
1088                 port_id_t id;
1089                 u64 wwnn;
1090
1091                 e = &vha->gnl.l[i];
1092                 wwn = wwn_to_u64(e->port_name);
1093
1094                 found = false;
1095                 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
1096                         if (!memcmp((u8 *)&wwn, fcport->port_name,
1097                             WWN_SIZE)) {
1098                                 found = true;
1099                                 break;
1100                         }
1101                 }
1102
1103                 id.b.domain = e->port_id[2];
1104                 id.b.area = e->port_id[1];
1105                 id.b.al_pa = e->port_id[0];
1106                 id.b.rsvd_1 = 0;
1107
1108                 if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
1109                         ql_dbg(ql_dbg_disc, vha, 0x2065,
1110                             "%s %d %8phC %06x post new sess\n",
1111                             __func__, __LINE__, (u8 *)&wwn, id.b24);
1112                         wwnn = wwn_to_u64(e->node_name);
1113                         qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
1114                             (u8 *)&wwnn, NULL, 0);
1115                 }
1116         }
1117
1118         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1119         vha->gnl.sent = 0;
1120         if (!list_empty(&vha->gnl.fcports)) {
1121                 /* retrigger gnl */
1122                 list_for_each_entry_safe(fcport, tf, &vha->gnl.fcports,
1123                     gnl_entry) {
1124                         list_del_init(&fcport->gnl_entry);
1125                         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1126                         if (qla24xx_post_gnl_work(vha, fcport) == QLA_SUCCESS)
1127                                 break;
1128                 }
1129         }
1130         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1131
1132         /* ref: INIT */
1133         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1134 }
1135
1136 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
1137 {
1138         srb_t *sp;
1139         int rval = QLA_FUNCTION_FAILED;
1140         unsigned long flags;
1141         u16 *mb;
1142
1143         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
1144                 goto done;
1145
1146         ql_dbg(ql_dbg_disc, vha, 0x20d9,
1147             "Async-gnlist WWPN %8phC \n", fcport->port_name);
1148
1149         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1150         fcport->flags |= FCF_ASYNC_SENT;
1151         qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1152         fcport->last_rscn_gen = fcport->rscn_gen;
1153         fcport->last_login_gen = fcport->login_gen;
1154
1155         list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
1156         if (vha->gnl.sent) {
1157                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1158                 return QLA_SUCCESS;
1159         }
1160         vha->gnl.sent = 1;
1161         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1162
1163         /* ref: INIT */
1164         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1165         if (!sp)
1166                 goto done;
1167
1168         sp->type = SRB_MB_IOCB;
1169         sp->name = "gnlist";
1170         sp->gen1 = fcport->rscn_gen;
1171         sp->gen2 = fcport->login_gen;
1172         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
1173                               qla24xx_async_gnl_sp_done);
1174
1175         mb = sp->u.iocb_cmd.u.mbx.out_mb;
1176         mb[0] = MBC_PORT_NODE_NAME_LIST;
1177         mb[1] = BIT_2 | BIT_3;
1178         mb[2] = MSW(vha->gnl.ldma);
1179         mb[3] = LSW(vha->gnl.ldma);
1180         mb[6] = MSW(MSD(vha->gnl.ldma));
1181         mb[7] = LSW(MSD(vha->gnl.ldma));
1182         mb[8] = vha->gnl.size;
1183         mb[9] = vha->vp_idx;
1184
1185         ql_dbg(ql_dbg_disc, vha, 0x20da,
1186             "Async-%s - OUT WWPN %8phC hndl %x\n",
1187             sp->name, fcport->port_name, sp->handle);
1188
1189         rval = qla2x00_start_sp(sp);
1190         if (rval != QLA_SUCCESS)
1191                 goto done_free_sp;
1192
1193         return rval;
1194
1195 done_free_sp:
1196         /*
1197          * use qla24xx_async_gnl_sp_done to purge all pending gnl request.
1198          * kref_put is call behind the scene.
1199          */
1200         sp->u.iocb_cmd.u.mbx.in_mb[0] = MBS_COMMAND_ERROR;
1201         qla24xx_async_gnl_sp_done(sp, QLA_COMMAND_ERROR);
1202         fcport->flags &= ~(FCF_ASYNC_SENT);
1203 done:
1204         fcport->flags &= ~(FCF_ASYNC_ACTIVE);
1205         return rval;
1206 }
1207
1208 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1209 {
1210         struct qla_work_evt *e;
1211
1212         e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
1213         if (!e)
1214                 return QLA_FUNCTION_FAILED;
1215
1216         e->u.fcport.fcport = fcport;
1217         fcport->flags |= FCF_ASYNC_ACTIVE;
1218         return qla2x00_post_work(vha, e);
1219 }
1220
1221 static void qla24xx_async_gpdb_sp_done(srb_t *sp, int res)
1222 {
1223         struct scsi_qla_host *vha = sp->vha;
1224         struct qla_hw_data *ha = vha->hw;
1225         fc_port_t *fcport = sp->fcport;
1226         u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
1227         struct event_arg ea;
1228
1229         ql_dbg(ql_dbg_disc, vha, 0x20db,
1230             "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
1231             sp->name, res, fcport->port_name, mb[1], mb[2]);
1232
1233         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1234
1235         if (res == QLA_FUNCTION_TIMEOUT)
1236                 goto done;
1237
1238         memset(&ea, 0, sizeof(ea));
1239         ea.fcport = fcport;
1240         ea.sp = sp;
1241
1242         qla24xx_handle_gpdb_event(vha, &ea);
1243
1244 done:
1245         dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
1246                 sp->u.iocb_cmd.u.mbx.in_dma);
1247
1248         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1249 }
1250
1251 int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1252 {
1253         struct qla_work_evt *e;
1254
1255         if (vha->host->active_mode == MODE_TARGET)
1256                 return QLA_FUNCTION_FAILED;
1257
1258         e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
1259         if (!e)
1260                 return QLA_FUNCTION_FAILED;
1261
1262         e->u.fcport.fcport = fcport;
1263
1264         return qla2x00_post_work(vha, e);
1265 }
1266
1267 static void qla2x00_async_prli_sp_done(srb_t *sp, int res)
1268 {
1269         struct scsi_qla_host *vha = sp->vha;
1270         struct srb_iocb *lio = &sp->u.iocb_cmd;
1271         struct event_arg ea;
1272
1273         ql_dbg(ql_dbg_disc, vha, 0x2129,
1274             "%s %8phC res %x\n", __func__,
1275             sp->fcport->port_name, res);
1276
1277         sp->fcport->flags &= ~FCF_ASYNC_SENT;
1278
1279         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
1280                 memset(&ea, 0, sizeof(ea));
1281                 ea.fcport = sp->fcport;
1282                 ea.data[0] = lio->u.logio.data[0];
1283                 ea.data[1] = lio->u.logio.data[1];
1284                 ea.iop[0] = lio->u.logio.iop[0];
1285                 ea.iop[1] = lio->u.logio.iop[1];
1286                 ea.sp = sp;
1287                 if (res == QLA_OS_TIMER_EXPIRED)
1288                         ea.data[0] = QLA_OS_TIMER_EXPIRED;
1289                 else if (res)
1290                         ea.data[0] = MBS_COMMAND_ERROR;
1291
1292                 qla24xx_handle_prli_done_event(vha, &ea);
1293         }
1294
1295         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1296 }
1297
1298 int
1299 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
1300 {
1301         srb_t *sp;
1302         struct srb_iocb *lio;
1303         int rval = QLA_FUNCTION_FAILED;
1304
1305         if (!vha->flags.online) {
1306                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
1307                     __func__, __LINE__, fcport->port_name);
1308                 return rval;
1309         }
1310
1311         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
1312             fcport->fw_login_state == DSC_LS_PRLI_PEND) &&
1313             qla_dual_mode_enabled(vha)) {
1314                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
1315                     __func__, __LINE__, fcport->port_name);
1316                 return rval;
1317         }
1318
1319         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1320         if (!sp)
1321                 return rval;
1322
1323         fcport->flags |= FCF_ASYNC_SENT;
1324         fcport->logout_completed = 0;
1325
1326         sp->type = SRB_PRLI_CMD;
1327         sp->name = "prli";
1328         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
1329                               qla2x00_async_prli_sp_done);
1330
1331         lio = &sp->u.iocb_cmd;
1332         lio->u.logio.flags = 0;
1333
1334         if (NVME_TARGET(vha->hw, fcport))
1335                 lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
1336
1337         ql_dbg(ql_dbg_disc, vha, 0x211b,
1338             "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d fc4type %x priority %x %s.\n",
1339             fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24,
1340             fcport->login_retry, fcport->fc4_type, vha->hw->fc4_type_priority,
1341             NVME_TARGET(vha->hw, fcport) ? "nvme" : "fcp");
1342
1343         rval = qla2x00_start_sp(sp);
1344         if (rval != QLA_SUCCESS) {
1345                 fcport->flags |= FCF_LOGIN_NEEDED;
1346                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1347                 goto done_free_sp;
1348         }
1349
1350         return rval;
1351
1352 done_free_sp:
1353         /* ref: INIT */
1354         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1355         fcport->flags &= ~FCF_ASYNC_SENT;
1356         return rval;
1357 }
1358
1359 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1360 {
1361         struct qla_work_evt *e;
1362
1363         e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
1364         if (!e)
1365                 return QLA_FUNCTION_FAILED;
1366
1367         e->u.fcport.fcport = fcport;
1368         e->u.fcport.opt = opt;
1369         fcport->flags |= FCF_ASYNC_ACTIVE;
1370         return qla2x00_post_work(vha, e);
1371 }
1372
1373 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1374 {
1375         srb_t *sp;
1376         struct srb_iocb *mbx;
1377         int rval = QLA_FUNCTION_FAILED;
1378         u16 *mb;
1379         dma_addr_t pd_dma;
1380         struct port_database_24xx *pd;
1381         struct qla_hw_data *ha = vha->hw;
1382
1383         if (IS_SESSION_DELETED(fcport)) {
1384                 ql_log(ql_log_warn, vha, 0xffff,
1385                        "%s: %8phC is being delete - not sending command.\n",
1386                        __func__, fcport->port_name);
1387                 fcport->flags &= ~FCF_ASYNC_ACTIVE;
1388                 return rval;
1389         }
1390
1391         if (!vha->flags.online || fcport->flags & FCF_ASYNC_SENT) {
1392                 ql_log(ql_log_warn, vha, 0xffff,
1393                     "%s: %8phC online %d flags %x - not sending command.\n",
1394                     __func__, fcport->port_name, vha->flags.online, fcport->flags);
1395                 goto done;
1396         }
1397
1398         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1399         if (!sp)
1400                 goto done;
1401
1402         qla2x00_set_fcport_disc_state(fcport, DSC_GPDB);
1403
1404         fcport->flags |= FCF_ASYNC_SENT;
1405         sp->type = SRB_MB_IOCB;
1406         sp->name = "gpdb";
1407         sp->gen1 = fcport->rscn_gen;
1408         sp->gen2 = fcport->login_gen;
1409         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
1410                               qla24xx_async_gpdb_sp_done);
1411
1412         pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
1413         if (pd == NULL) {
1414                 ql_log(ql_log_warn, vha, 0xd043,
1415                     "Failed to allocate port database structure.\n");
1416                 goto done_free_sp;
1417         }
1418
1419         mb = sp->u.iocb_cmd.u.mbx.out_mb;
1420         mb[0] = MBC_GET_PORT_DATABASE;
1421         mb[1] = fcport->loop_id;
1422         mb[2] = MSW(pd_dma);
1423         mb[3] = LSW(pd_dma);
1424         mb[6] = MSW(MSD(pd_dma));
1425         mb[7] = LSW(MSD(pd_dma));
1426         mb[9] = vha->vp_idx;
1427         mb[10] = opt;
1428
1429         mbx = &sp->u.iocb_cmd;
1430         mbx->u.mbx.in = (void *)pd;
1431         mbx->u.mbx.in_dma = pd_dma;
1432
1433         ql_dbg(ql_dbg_disc, vha, 0x20dc,
1434             "Async-%s %8phC hndl %x opt %x\n",
1435             sp->name, fcport->port_name, sp->handle, opt);
1436
1437         rval = qla2x00_start_sp(sp);
1438         if (rval != QLA_SUCCESS)
1439                 goto done_free_sp;
1440         return rval;
1441
1442 done_free_sp:
1443         if (pd)
1444                 dma_pool_free(ha->s_dma_pool, pd, pd_dma);
1445
1446         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1447         fcport->flags &= ~FCF_ASYNC_SENT;
1448 done:
1449         fcport->flags &= ~FCF_ASYNC_ACTIVE;
1450         qla24xx_post_gpdb_work(vha, fcport, opt);
1451         return rval;
1452 }
1453
1454 static
1455 void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1456 {
1457         unsigned long flags;
1458
1459         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1460         ea->fcport->login_gen++;
1461         ea->fcport->logout_on_delete = 1;
1462
1463         if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
1464                 vha->fcport_count++;
1465                 ea->fcport->login_succ = 1;
1466
1467                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1468                 qla24xx_sched_upd_fcport(ea->fcport);
1469                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1470         } else if (ea->fcport->login_succ) {
1471                 /*
1472                  * We have an existing session. A late RSCN delivery
1473                  * must have triggered the session to be re-validate.
1474                  * Session is still valid.
1475                  */
1476                 ql_dbg(ql_dbg_disc, vha, 0x20d6,
1477                     "%s %d %8phC session revalidate success\n",
1478                     __func__, __LINE__, ea->fcport->port_name);
1479                 qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_COMPLETE);
1480         }
1481         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1482 }
1483
1484 static int      qla_chk_secure_login(scsi_qla_host_t    *vha, fc_port_t *fcport,
1485         struct port_database_24xx *pd)
1486 {
1487         int rc = 0;
1488
1489         if (pd->secure_login) {
1490                 ql_dbg(ql_dbg_disc, vha, 0x104d,
1491                     "Secure Login established on %8phC\n",
1492                     fcport->port_name);
1493                 fcport->flags |= FCF_FCSP_DEVICE;
1494         } else {
1495                 ql_dbg(ql_dbg_disc, vha, 0x104d,
1496                     "non-Secure Login %8phC",
1497                     fcport->port_name);
1498                 fcport->flags &= ~FCF_FCSP_DEVICE;
1499         }
1500         if (vha->hw->flags.edif_enabled) {
1501                 if (fcport->flags & FCF_FCSP_DEVICE) {
1502                         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_AUTH_PEND);
1503                         /* Start edif prli timer & ring doorbell for app */
1504                         fcport->edif.rx_sa_set = 0;
1505                         fcport->edif.tx_sa_set = 0;
1506                         fcport->edif.rx_sa_pending = 0;
1507                         fcport->edif.tx_sa_pending = 0;
1508
1509                         qla2x00_post_aen_work(vha, FCH_EVT_PORT_ONLINE,
1510                             fcport->d_id.b24);
1511
1512                         if (DBELL_ACTIVE(vha)) {
1513                                 ql_dbg(ql_dbg_disc, vha, 0x20ef,
1514                                     "%s %d %8phC EDIF: post DB_AUTH: AUTH needed\n",
1515                                     __func__, __LINE__, fcport->port_name);
1516                                 fcport->edif.app_sess_online = 1;
1517
1518                                 qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_NEEDED,
1519                                     fcport->d_id.b24, 0, fcport);
1520                         }
1521
1522                         rc = 1;
1523                 } else if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
1524                         ql_dbg(ql_dbg_disc, vha, 0x2117,
1525                             "%s %d %8phC post prli\n",
1526                             __func__, __LINE__, fcport->port_name);
1527                         qla24xx_post_prli_work(vha, fcport);
1528                         rc = 1;
1529                 }
1530         }
1531         return rc;
1532 }
1533
1534 static
1535 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1536 {
1537         fc_port_t *fcport = ea->fcport;
1538         struct port_database_24xx *pd;
1539         struct srb *sp = ea->sp;
1540         uint8_t ls;
1541
1542         pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
1543
1544         fcport->flags &= ~FCF_ASYNC_SENT;
1545
1546         ql_dbg(ql_dbg_disc, vha, 0x20d2,
1547             "%s %8phC DS %d LS %x fc4_type %x rc %x\n", __func__,
1548             fcport->port_name, fcport->disc_state, pd->current_login_state,
1549             fcport->fc4_type, ea->rc);
1550
1551         if (fcport->disc_state == DSC_DELETE_PEND) {
1552                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC\n",
1553                        __func__, __LINE__, fcport->port_name);
1554                 return;
1555         }
1556
1557         if (NVME_TARGET(vha->hw, fcport))
1558                 ls = pd->current_login_state >> 4;
1559         else
1560                 ls = pd->current_login_state & 0xf;
1561
1562         if (ea->sp->gen2 != fcport->login_gen) {
1563                 /* target side must have changed it. */
1564
1565                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1566                     "%s %8phC generation changed\n",
1567                     __func__, fcport->port_name);
1568                 return;
1569         } else if (ea->sp->gen1 != fcport->rscn_gen) {
1570                 qla_rscn_replay(fcport);
1571                 qlt_schedule_sess_for_deletion(fcport);
1572                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n",
1573                        __func__, __LINE__, fcport->port_name, ls);
1574                 return;
1575         }
1576
1577         switch (ls) {
1578         case PDS_PRLI_COMPLETE:
1579                 __qla24xx_parse_gpdb(vha, fcport, pd);
1580                 break;
1581         case PDS_PLOGI_COMPLETE:
1582                 if (qla_chk_secure_login(vha, fcport, pd)) {
1583                         ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n",
1584                                __func__, __LINE__, fcport->port_name, ls);
1585                         return;
1586                 }
1587                 fallthrough;
1588         case PDS_PLOGI_PENDING:
1589         case PDS_PRLI_PENDING:
1590         case PDS_PRLI2_PENDING:
1591                 /* Set discovery state back to GNL to Relogin attempt */
1592                 if (qla_dual_mode_enabled(vha) ||
1593                     qla_ini_mode_enabled(vha)) {
1594                         qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1595                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1596                 }
1597                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n",
1598                        __func__, __LINE__, fcport->port_name, ls);
1599                 return;
1600         case PDS_LOGO_PENDING:
1601         case PDS_PORT_UNAVAILABLE:
1602         default:
1603                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
1604                     __func__, __LINE__, fcport->port_name);
1605                 qlt_schedule_sess_for_deletion(fcport);
1606                 return;
1607         }
1608         __qla24xx_handle_gpdb_event(vha, ea);
1609 } /* gpdb event */
1610
1611 static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1612 {
1613         u8 login = 0;
1614         int rc;
1615
1616         ql_dbg(ql_dbg_disc, vha, 0x307b,
1617             "%s %8phC DS %d LS %d lid %d retries=%d\n",
1618             __func__, fcport->port_name, fcport->disc_state,
1619             fcport->fw_login_state, fcport->loop_id, fcport->login_retry);
1620
1621         if (qla_tgt_mode_enabled(vha))
1622                 return;
1623
1624         if (qla_dual_mode_enabled(vha)) {
1625                 if (N2N_TOPO(vha->hw)) {
1626                         u64 mywwn, wwn;
1627
1628                         mywwn = wwn_to_u64(vha->port_name);
1629                         wwn = wwn_to_u64(fcport->port_name);
1630                         if (mywwn > wwn)
1631                                 login = 1;
1632                         else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1633                             && time_after_eq(jiffies,
1634                                     fcport->plogi_nack_done_deadline))
1635                                 login = 1;
1636                 } else {
1637                         login = 1;
1638                 }
1639         } else {
1640                 /* initiator mode */
1641                 login = 1;
1642         }
1643
1644         if (login && fcport->login_retry) {
1645                 fcport->login_retry--;
1646                 if (fcport->loop_id == FC_NO_LOOP_ID) {
1647                         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
1648                         rc = qla2x00_find_new_loop_id(vha, fcport);
1649                         if (rc) {
1650                                 ql_dbg(ql_dbg_disc, vha, 0x20e6,
1651                                     "%s %d %8phC post del sess - out of loopid\n",
1652                                     __func__, __LINE__, fcport->port_name);
1653                                 fcport->scan_state = 0;
1654                                 qlt_schedule_sess_for_deletion(fcport);
1655                                 return;
1656                         }
1657                 }
1658                 ql_dbg(ql_dbg_disc, vha, 0x20bf,
1659                     "%s %d %8phC post login\n",
1660                     __func__, __LINE__, fcport->port_name);
1661                 qla2x00_post_async_login_work(vha, fcport, NULL);
1662         }
1663 }
1664
1665 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1666 {
1667         u16 data[2];
1668         u16 sec;
1669
1670         ql_dbg(ql_dbg_disc, vha, 0x20d8,
1671             "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d lid %d scan %d fc4type %x\n",
1672             __func__, fcport->port_name, fcport->disc_state,
1673             fcport->fw_login_state, fcport->login_pause, fcport->flags,
1674             fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
1675             fcport->login_gen, fcport->loop_id, fcport->scan_state,
1676             fcport->fc4_type);
1677
1678         if (fcport->scan_state != QLA_FCPORT_FOUND ||
1679             fcport->disc_state == DSC_DELETE_PEND)
1680                 return 0;
1681
1682         if ((fcport->loop_id != FC_NO_LOOP_ID) &&
1683             qla_dual_mode_enabled(vha) &&
1684             ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1685              (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
1686                 return 0;
1687
1688         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP &&
1689             !N2N_TOPO(vha->hw)) {
1690                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1691                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1692                         return 0;
1693                 }
1694         }
1695
1696         /* Target won't initiate port login if fabric is present */
1697         if (vha->host->active_mode == MODE_TARGET && !N2N_TOPO(vha->hw))
1698                 return 0;
1699
1700         if (fcport->flags & (FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE)) {
1701                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1702                 return 0;
1703         }
1704
1705         switch (fcport->disc_state) {
1706         case DSC_DELETED:
1707                 switch (vha->hw->current_topology) {
1708                 case ISP_CFG_N:
1709                         if (fcport_is_smaller(fcport)) {
1710                                 /* this adapter is bigger */
1711                                 if (fcport->login_retry) {
1712                                         if (fcport->loop_id == FC_NO_LOOP_ID) {
1713                                                 qla2x00_find_new_loop_id(vha,
1714                                                     fcport);
1715                                                 fcport->fw_login_state =
1716                                                     DSC_LS_PORT_UNAVAIL;
1717                                         }
1718                                         fcport->login_retry--;
1719                                         qla_post_els_plogi_work(vha, fcport);
1720                                 } else {
1721                                         ql_log(ql_log_info, vha, 0x705d,
1722                                             "Unable to reach remote port %8phC",
1723                                             fcport->port_name);
1724                                 }
1725                         } else {
1726                                 qla24xx_post_gnl_work(vha, fcport);
1727                         }
1728                         break;
1729                 default:
1730                         if (fcport->loop_id == FC_NO_LOOP_ID) {
1731                                 ql_dbg(ql_dbg_disc, vha, 0x20bd,
1732                                     "%s %d %8phC post gnl\n",
1733                                     __func__, __LINE__, fcport->port_name);
1734                                 qla24xx_post_gnl_work(vha, fcport);
1735                         } else {
1736                                 qla_chk_n2n_b4_login(vha, fcport);
1737                         }
1738                         break;
1739                 }
1740                 break;
1741
1742         case DSC_GNL:
1743                 switch (vha->hw->current_topology) {
1744                 case ISP_CFG_N:
1745                         if ((fcport->current_login_state & 0xf) == 0x6) {
1746                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1747                                     "%s %d %8phC post GPDB work\n",
1748                                     __func__, __LINE__, fcport->port_name);
1749                                 fcport->chip_reset =
1750                                         vha->hw->base_qpair->chip_reset;
1751                                 qla24xx_post_gpdb_work(vha, fcport, 0);
1752                         }  else {
1753                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1754                                     "%s %d %8phC post %s PRLI\n",
1755                                     __func__, __LINE__, fcport->port_name,
1756                                     NVME_TARGET(vha->hw, fcport) ? "NVME" :
1757                                     "FC");
1758                                 qla24xx_post_prli_work(vha, fcport);
1759                         }
1760                         break;
1761                 default:
1762                         if (fcport->login_pause) {
1763                                 ql_dbg(ql_dbg_disc, vha, 0x20d8,
1764                                     "%s %d %8phC exit\n",
1765                                     __func__, __LINE__,
1766                                     fcport->port_name);
1767                                 fcport->last_rscn_gen = fcport->rscn_gen;
1768                                 fcport->last_login_gen = fcport->login_gen;
1769                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1770                                 break;
1771                         }
1772                         qla_chk_n2n_b4_login(vha, fcport);
1773                         break;
1774                 }
1775                 break;
1776
1777         case DSC_LOGIN_FAILED:
1778                 if (N2N_TOPO(vha->hw))
1779                         qla_chk_n2n_b4_login(vha, fcport);
1780                 else
1781                         qlt_schedule_sess_for_deletion(fcport);
1782                 break;
1783
1784         case DSC_LOGIN_COMPLETE:
1785                 /* recheck login state */
1786                 data[0] = data[1] = 0;
1787                 qla2x00_post_async_adisc_work(vha, fcport, data);
1788                 break;
1789
1790         case DSC_LOGIN_PEND:
1791                 if (vha->hw->flags.edif_enabled)
1792                         break;
1793
1794                 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1795                         ql_dbg(ql_dbg_disc, vha, 0x2118,
1796                                "%s %d %8phC post %s PRLI\n",
1797                                __func__, __LINE__, fcport->port_name,
1798                                NVME_TARGET(vha->hw, fcport) ? "NVME" : "FC");
1799                         qla24xx_post_prli_work(vha, fcport);
1800                 }
1801                 break;
1802
1803         case DSC_UPD_FCPORT:
1804                 sec =  jiffies_to_msecs(jiffies -
1805                     fcport->jiffies_at_registration)/1000;
1806                 if (fcport->sec_since_registration < sec && sec &&
1807                     !(sec % 60)) {
1808                         fcport->sec_since_registration = sec;
1809                         ql_dbg(ql_dbg_disc, fcport->vha, 0xffff,
1810                             "%s %8phC - Slow Rport registration(%d Sec)\n",
1811                             __func__, fcport->port_name, sec);
1812                 }
1813
1814                 if (fcport->next_disc_state != DSC_DELETE_PEND)
1815                         fcport->next_disc_state = DSC_ADISC;
1816                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1817                 break;
1818
1819         default:
1820                 break;
1821         }
1822
1823         return 0;
1824 }
1825
1826 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1827     u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
1828 {
1829         struct qla_work_evt *e;
1830
1831         e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1832         if (!e)
1833                 return QLA_FUNCTION_FAILED;
1834
1835         e->u.new_sess.id = *id;
1836         e->u.new_sess.pla = pla;
1837         e->u.new_sess.fc4_type = fc4_type;
1838         memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1839         if (node_name)
1840                 memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
1841
1842         return qla2x00_post_work(vha, e);
1843 }
1844
1845 void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
1846 {
1847         fc_port_t *fcport;
1848         unsigned long flags;
1849
1850         switch (ea->id.b.rsvd_1) {
1851         case RSCN_PORT_ADDR:
1852                 fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
1853                 if (fcport) {
1854                         if (ql2xfc2target &&
1855                             fcport->flags & FCF_FCP2_DEVICE &&
1856                             atomic_read(&fcport->state) == FCS_ONLINE) {
1857                                 ql_dbg(ql_dbg_disc, vha, 0x2115,
1858                                        "Delaying session delete for FCP2 portid=%06x %8phC ",
1859                                         fcport->d_id.b24, fcport->port_name);
1860                                 return;
1861                         }
1862
1863                         if (vha->hw->flags.edif_enabled && DBELL_ACTIVE(vha)) {
1864                                 /*
1865                                  * On ipsec start by remote port, Target port
1866                                  * may use RSCN to trigger initiator to
1867                                  * relogin. If driver is already in the
1868                                  * process of a relogin, then ignore the RSCN
1869                                  * and allow the current relogin to continue.
1870                                  * This reduces thrashing of the connection.
1871                                  */
1872                                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1873                                         /*
1874                                          * If state = online, then set scan_needed=1 to do relogin.
1875                                          * Otherwise we're already in the middle of a relogin
1876                                          */
1877                                         fcport->scan_needed = 1;
1878                                         fcport->rscn_gen++;
1879                                 }
1880                         } else {
1881                                 fcport->scan_needed = 1;
1882                                 fcport->rscn_gen++;
1883                         }
1884                 }
1885                 break;
1886         case RSCN_AREA_ADDR:
1887                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1888                         if (fcport->flags & FCF_FCP2_DEVICE &&
1889                             atomic_read(&fcport->state) == FCS_ONLINE)
1890                                 continue;
1891
1892                         if ((ea->id.b24 & 0xffff00) == (fcport->d_id.b24 & 0xffff00)) {
1893                                 fcport->scan_needed = 1;
1894                                 fcport->rscn_gen++;
1895                         }
1896                 }
1897                 break;
1898         case RSCN_DOM_ADDR:
1899                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1900                         if (fcport->flags & FCF_FCP2_DEVICE &&
1901                             atomic_read(&fcport->state) == FCS_ONLINE)
1902                                 continue;
1903
1904                         if ((ea->id.b24 & 0xff0000) == (fcport->d_id.b24 & 0xff0000)) {
1905                                 fcport->scan_needed = 1;
1906                                 fcport->rscn_gen++;
1907                         }
1908                 }
1909                 break;
1910         case RSCN_FAB_ADDR:
1911         default:
1912                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1913                         if (fcport->flags & FCF_FCP2_DEVICE &&
1914                             atomic_read(&fcport->state) == FCS_ONLINE)
1915                                 continue;
1916
1917                         fcport->scan_needed = 1;
1918                         fcport->rscn_gen++;
1919                 }
1920                 break;
1921         }
1922
1923         spin_lock_irqsave(&vha->work_lock, flags);
1924         if (vha->scan.scan_flags == 0) {
1925                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s: schedule\n", __func__);
1926                 vha->scan.scan_flags |= SF_QUEUED;
1927                 schedule_delayed_work(&vha->scan.scan_work, 5);
1928         }
1929         spin_unlock_irqrestore(&vha->work_lock, flags);
1930 }
1931
1932 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1933         struct event_arg *ea)
1934 {
1935         fc_port_t *fcport = ea->fcport;
1936
1937         if (test_bit(UNLOADING, &vha->dpc_flags))
1938                 return;
1939
1940         ql_dbg(ql_dbg_disc, vha, 0x2102,
1941             "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1942             __func__, fcport->port_name, fcport->disc_state,
1943             fcport->fw_login_state, fcport->login_pause,
1944             fcport->deleted, fcport->conflict,
1945             fcport->last_rscn_gen, fcport->rscn_gen,
1946             fcport->last_login_gen, fcport->login_gen,
1947             fcport->flags);
1948
1949         if (fcport->last_rscn_gen != fcport->rscn_gen) {
1950                 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gnl\n",
1951                     __func__, __LINE__, fcport->port_name);
1952                 qla24xx_post_gnl_work(vha, fcport);
1953                 return;
1954         }
1955
1956         qla24xx_fcport_handle_login(vha, fcport);
1957 }
1958
1959 void qla_handle_els_plogi_done(scsi_qla_host_t *vha,
1960                                       struct event_arg *ea)
1961 {
1962         if (N2N_TOPO(vha->hw) && fcport_is_smaller(ea->fcport) &&
1963             vha->hw->flags.edif_enabled) {
1964                 /* check to see if App support Secure */
1965                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1966                 return;
1967         }
1968
1969         /* for pure Target Mode, PRLI will not be initiated */
1970         if (vha->host->active_mode == MODE_TARGET)
1971                 return;
1972
1973         ql_dbg(ql_dbg_disc, vha, 0x2118,
1974             "%s %d %8phC post PRLI\n",
1975             __func__, __LINE__, ea->fcport->port_name);
1976         qla24xx_post_prli_work(vha, ea->fcport);
1977 }
1978
1979 /*
1980  * RSCN(s) came in for this fcport, but the RSCN(s) was not able
1981  * to be consumed by the fcport
1982  */
1983 void qla_rscn_replay(fc_port_t *fcport)
1984 {
1985         struct event_arg ea;
1986
1987         switch (fcport->disc_state) {
1988         case DSC_DELETE_PEND:
1989                 return;
1990         default:
1991                 break;
1992         }
1993
1994         if (fcport->scan_needed) {
1995                 memset(&ea, 0, sizeof(ea));
1996                 ea.id = fcport->d_id;
1997                 ea.id.b.rsvd_1 = RSCN_PORT_ADDR;
1998                 qla2x00_handle_rscn(fcport->vha, &ea);
1999         }
2000 }
2001
2002 static void
2003 qla2x00_tmf_iocb_timeout(void *data)
2004 {
2005         srb_t *sp = data;
2006         struct srb_iocb *tmf = &sp->u.iocb_cmd;
2007         int rc, h;
2008         unsigned long flags;
2009
2010         if (sp->type == SRB_MARKER)
2011                 rc = QLA_FUNCTION_FAILED;
2012         else
2013                 rc = qla24xx_async_abort_cmd(sp, false);
2014
2015         if (rc) {
2016                 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
2017                 for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) {
2018                         if (sp->qpair->req->outstanding_cmds[h] == sp) {
2019                                 sp->qpair->req->outstanding_cmds[h] = NULL;
2020                                 qla_put_fw_resources(sp->qpair, &sp->iores);
2021                                 break;
2022                         }
2023                 }
2024                 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
2025                 tmf->u.tmf.comp_status = cpu_to_le16(CS_TIMEOUT);
2026                 tmf->u.tmf.data = QLA_FUNCTION_FAILED;
2027                 complete(&tmf->u.tmf.comp);
2028         }
2029 }
2030
2031 static void qla_marker_sp_done(srb_t *sp, int res)
2032 {
2033         struct srb_iocb *tmf = &sp->u.iocb_cmd;
2034
2035         if (res != QLA_SUCCESS)
2036                 ql_dbg(ql_dbg_taskm, sp->vha, 0x8004,
2037                     "Async-marker fail hdl=%x portid=%06x ctrl=%x lun=%lld qp=%d.\n",
2038                     sp->handle, sp->fcport->d_id.b24, sp->u.iocb_cmd.u.tmf.flags,
2039                     sp->u.iocb_cmd.u.tmf.lun, sp->qpair->id);
2040
2041         sp->u.iocb_cmd.u.tmf.data = res;
2042         complete(&tmf->u.tmf.comp);
2043 }
2044
2045 #define  START_SP_W_RETRIES(_sp, _rval, _chip_gen, _login_gen) \
2046 {\
2047         int cnt = 5; \
2048         do { \
2049                 if (_chip_gen != sp->vha->hw->chip_reset || _login_gen != sp->fcport->login_gen) {\
2050                         _rval = EINVAL; \
2051                         break; \
2052                 } \
2053                 _rval = qla2x00_start_sp(_sp); \
2054                 if (_rval == EAGAIN) \
2055                         msleep(1); \
2056                 else \
2057                         break; \
2058                 cnt--; \
2059         } while (cnt); \
2060 }
2061
2062 /**
2063  * qla26xx_marker: send marker IOCB and wait for the completion of it.
2064  * @arg: pointer to argument list.
2065  *    It is assume caller will provide an fcport pointer and modifier
2066  */
2067 static int
2068 qla26xx_marker(struct tmf_arg *arg)
2069 {
2070         struct scsi_qla_host *vha = arg->vha;
2071         struct srb_iocb *tm_iocb;
2072         srb_t *sp;
2073         int rval = QLA_FUNCTION_FAILED;
2074         fc_port_t *fcport = arg->fcport;
2075         u32 chip_gen, login_gen;
2076
2077         if (TMF_NOT_READY(arg->fcport)) {
2078                 ql_dbg(ql_dbg_taskm, vha, 0x8039,
2079                     "FC port not ready for marker loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d.\n",
2080                     fcport->loop_id, fcport->d_id.b24,
2081                     arg->modifier, arg->lun, arg->qpair->id);
2082                 return QLA_SUSPENDED;
2083         }
2084
2085         chip_gen = vha->hw->chip_reset;
2086         login_gen = fcport->login_gen;
2087
2088         /* ref: INIT */
2089         sp = qla2xxx_get_qpair_sp(vha, arg->qpair, fcport, GFP_KERNEL);
2090         if (!sp)
2091                 goto done;
2092
2093         sp->type = SRB_MARKER;
2094         sp->name = "marker";
2095         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha), qla_marker_sp_done);
2096         sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout;
2097
2098         tm_iocb = &sp->u.iocb_cmd;
2099         init_completion(&tm_iocb->u.tmf.comp);
2100         tm_iocb->u.tmf.modifier = arg->modifier;
2101         tm_iocb->u.tmf.lun = arg->lun;
2102         tm_iocb->u.tmf.loop_id = fcport->loop_id;
2103         tm_iocb->u.tmf.vp_index = vha->vp_idx;
2104
2105         START_SP_W_RETRIES(sp, rval, chip_gen, login_gen);
2106
2107         ql_dbg(ql_dbg_taskm, vha, 0x8006,
2108             "Async-marker hdl=%x loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d rval %d.\n",
2109             sp->handle, fcport->loop_id, fcport->d_id.b24,
2110             arg->modifier, arg->lun, sp->qpair->id, rval);
2111
2112         if (rval != QLA_SUCCESS) {
2113                 ql_log(ql_log_warn, vha, 0x8031,
2114                     "Marker IOCB send failure (%x).\n", rval);
2115                 goto done_free_sp;
2116         }
2117
2118         wait_for_completion(&tm_iocb->u.tmf.comp);
2119         rval = tm_iocb->u.tmf.data;
2120
2121         if (rval != QLA_SUCCESS) {
2122                 ql_log(ql_log_warn, vha, 0x8019,
2123                     "Marker failed hdl=%x loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d rval %d.\n",
2124                     sp->handle, fcport->loop_id, fcport->d_id.b24,
2125                     arg->modifier, arg->lun, sp->qpair->id, rval);
2126         }
2127
2128 done_free_sp:
2129         /* ref: INIT */
2130         kref_put(&sp->cmd_kref, qla2x00_sp_release);
2131 done:
2132         return rval;
2133 }
2134
2135 static void qla2x00_tmf_sp_done(srb_t *sp, int res)
2136 {
2137         struct srb_iocb *tmf = &sp->u.iocb_cmd;
2138
2139         if (res)
2140                 tmf->u.tmf.data = res;
2141         complete(&tmf->u.tmf.comp);
2142 }
2143
2144 static int qla_tmf_wait(struct tmf_arg *arg)
2145 {
2146         /* there are only 2 types of error handling that reaches here, lun or target reset */
2147         if (arg->flags & (TCF_LUN_RESET | TCF_ABORT_TASK_SET | TCF_CLEAR_TASK_SET))
2148                 return qla2x00_eh_wait_for_pending_commands(arg->vha,
2149                     arg->fcport->d_id.b24, arg->lun, WAIT_LUN);
2150         else
2151                 return qla2x00_eh_wait_for_pending_commands(arg->vha,
2152                     arg->fcport->d_id.b24, arg->lun, WAIT_TARGET);
2153 }
2154
2155 static int
2156 __qla2x00_async_tm_cmd(struct tmf_arg *arg)
2157 {
2158         struct scsi_qla_host *vha = arg->vha;
2159         struct srb_iocb *tm_iocb;
2160         srb_t *sp;
2161         int rval = QLA_FUNCTION_FAILED;
2162         fc_port_t *fcport = arg->fcport;
2163         u32 chip_gen, login_gen;
2164         u64 jif;
2165
2166         if (TMF_NOT_READY(arg->fcport)) {
2167                 ql_dbg(ql_dbg_taskm, vha, 0x8032,
2168                     "FC port not ready for TM command loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d.\n",
2169                     fcport->loop_id, fcport->d_id.b24,
2170                     arg->modifier, arg->lun, arg->qpair->id);
2171                 return QLA_SUSPENDED;
2172         }
2173
2174         chip_gen = vha->hw->chip_reset;
2175         login_gen = fcport->login_gen;
2176
2177         /* ref: INIT */
2178         sp = qla2xxx_get_qpair_sp(vha, arg->qpair, fcport, GFP_KERNEL);
2179         if (!sp)
2180                 goto done;
2181
2182         qla_vha_mark_busy(vha);
2183         sp->type = SRB_TM_CMD;
2184         sp->name = "tmf";
2185         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha),
2186                               qla2x00_tmf_sp_done);
2187         sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout;
2188
2189         tm_iocb = &sp->u.iocb_cmd;
2190         init_completion(&tm_iocb->u.tmf.comp);
2191         tm_iocb->u.tmf.flags = arg->flags;
2192         tm_iocb->u.tmf.lun = arg->lun;
2193
2194         START_SP_W_RETRIES(sp, rval, chip_gen, login_gen);
2195
2196         ql_dbg(ql_dbg_taskm, vha, 0x802f,
2197             "Async-tmf hdl=%x loop-id=%x portid=%06x ctrl=%x lun=%lld qp=%d rval=%x.\n",
2198             sp->handle, fcport->loop_id, fcport->d_id.b24,
2199             arg->flags, arg->lun, sp->qpair->id, rval);
2200
2201         if (rval != QLA_SUCCESS)
2202                 goto done_free_sp;
2203         wait_for_completion(&tm_iocb->u.tmf.comp);
2204
2205         rval = tm_iocb->u.tmf.data;
2206
2207         if (rval != QLA_SUCCESS) {
2208                 ql_log(ql_log_warn, vha, 0x8030,
2209                     "TM IOCB failed (%x).\n", rval);
2210         }
2211
2212         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
2213                 jif = jiffies;
2214                 if (qla_tmf_wait(arg)) {
2215                         ql_log(ql_log_info, vha, 0x803e,
2216                                "Waited %u ms Nexus=%ld:%06x:%llu.\n",
2217                                jiffies_to_msecs(jiffies - jif), vha->host_no,
2218                                fcport->d_id.b24, arg->lun);
2219                 }
2220
2221                 if (chip_gen == vha->hw->chip_reset && login_gen == fcport->login_gen) {
2222                         rval = qla26xx_marker(arg);
2223                 } else {
2224                         ql_log(ql_log_info, vha, 0x803e,
2225                                "Skip Marker due to disruption. Nexus=%ld:%06x:%llu.\n",
2226                                vha->host_no, fcport->d_id.b24, arg->lun);
2227                         rval = QLA_FUNCTION_FAILED;
2228                 }
2229         }
2230         if (tm_iocb->u.tmf.data)
2231                 rval = tm_iocb->u.tmf.data;
2232
2233 done_free_sp:
2234         /* ref: INIT */
2235         kref_put(&sp->cmd_kref, qla2x00_sp_release);
2236 done:
2237         return rval;
2238 }
2239
2240 static void qla_put_tmf(struct tmf_arg *arg)
2241 {
2242         struct scsi_qla_host *vha = arg->vha;
2243         struct qla_hw_data *ha = vha->hw;
2244         unsigned long flags;
2245
2246         spin_lock_irqsave(&ha->tgt.sess_lock, flags);
2247         ha->active_tmf--;
2248         list_del(&arg->tmf_elem);
2249         spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
2250 }
2251
2252 static
2253 int qla_get_tmf(struct tmf_arg *arg)
2254 {
2255         struct scsi_qla_host *vha = arg->vha;
2256         struct qla_hw_data *ha = vha->hw;
2257         unsigned long flags;
2258         fc_port_t *fcport = arg->fcport;
2259         int rc = 0;
2260         struct tmf_arg *t;
2261
2262         spin_lock_irqsave(&ha->tgt.sess_lock, flags);
2263         list_for_each_entry(t, &ha->tmf_active, tmf_elem) {
2264                 if (t->fcport == arg->fcport && t->lun == arg->lun) {
2265                         /* reject duplicate TMF */
2266                         ql_log(ql_log_warn, vha, 0x802c,
2267                                "found duplicate TMF.  Nexus=%ld:%06x:%llu.\n",
2268                                vha->host_no, fcport->d_id.b24, arg->lun);
2269                         spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
2270                         return -EINVAL;
2271                 }
2272         }
2273
2274         list_add_tail(&arg->tmf_elem, &ha->tmf_pending);
2275         while (ha->active_tmf >= MAX_ACTIVE_TMF) {
2276                 spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
2277
2278                 msleep(1);
2279
2280                 spin_lock_irqsave(&ha->tgt.sess_lock, flags);
2281                 if (TMF_NOT_READY(fcport)) {
2282                         ql_log(ql_log_warn, vha, 0x802c,
2283                             "Unable to acquire TM resource due to disruption.\n");
2284                         rc = EIO;
2285                         break;
2286                 }
2287                 if (ha->active_tmf < MAX_ACTIVE_TMF &&
2288                     list_is_first(&arg->tmf_elem, &ha->tmf_pending))
2289                         break;
2290         }
2291
2292         list_del(&arg->tmf_elem);
2293
2294         if (!rc) {
2295                 ha->active_tmf++;
2296                 list_add_tail(&arg->tmf_elem, &ha->tmf_active);
2297         }
2298
2299         spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
2300
2301         return rc;
2302 }
2303
2304 int
2305 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint64_t lun,
2306                      uint32_t tag)
2307 {
2308         struct scsi_qla_host *vha = fcport->vha;
2309         struct tmf_arg a;
2310         int rval = QLA_SUCCESS;
2311
2312         if (TMF_NOT_READY(fcport))
2313                 return QLA_SUSPENDED;
2314
2315         a.vha = fcport->vha;
2316         a.fcport = fcport;
2317         a.lun = lun;
2318         a.flags = flags;
2319         INIT_LIST_HEAD(&a.tmf_elem);
2320
2321         if (flags & (TCF_LUN_RESET|TCF_ABORT_TASK_SET|TCF_CLEAR_TASK_SET|TCF_CLEAR_ACA)) {
2322                 a.modifier = MK_SYNC_ID_LUN;
2323         } else {
2324                 a.modifier = MK_SYNC_ID;
2325         }
2326
2327         if (qla_get_tmf(&a))
2328                 return QLA_FUNCTION_FAILED;
2329
2330         a.qpair = vha->hw->base_qpair;
2331         rval = __qla2x00_async_tm_cmd(&a);
2332
2333         qla_put_tmf(&a);
2334         return rval;
2335 }
2336
2337 int
2338 qla24xx_async_abort_command(srb_t *sp)
2339 {
2340         unsigned long   flags = 0;
2341
2342         uint32_t        handle;
2343         fc_port_t       *fcport = sp->fcport;
2344         struct qla_qpair *qpair = sp->qpair;
2345         struct scsi_qla_host *vha = fcport->vha;
2346         struct req_que *req = qpair->req;
2347
2348         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
2349         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
2350                 if (req->outstanding_cmds[handle] == sp)
2351                         break;
2352         }
2353         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
2354
2355         if (handle == req->num_outstanding_cmds) {
2356                 /* Command not found. */
2357                 return QLA_ERR_NOT_FOUND;
2358         }
2359         if (sp->type == SRB_FXIOCB_DCMD)
2360                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
2361                     FXDISC_ABORT_IOCTL);
2362
2363         return qla24xx_async_abort_cmd(sp, true);
2364 }
2365
2366 static void
2367 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
2368 {
2369         struct srb *sp;
2370         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
2371                   ea->data[0]);
2372
2373         switch (ea->data[0]) {
2374         case MBS_COMMAND_COMPLETE:
2375                 ql_dbg(ql_dbg_disc, vha, 0x2118,
2376                     "%s %d %8phC post gpdb\n",
2377                     __func__, __LINE__, ea->fcport->port_name);
2378
2379                 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2380                 ea->fcport->logout_on_delete = 1;
2381                 ea->fcport->nvme_prli_service_param = ea->iop[0];
2382                 if (ea->iop[0] & NVME_PRLI_SP_FIRST_BURST)
2383                         ea->fcport->nvme_first_burst_size =
2384                             (ea->iop[1] & 0xffff) * 512;
2385                 else
2386                         ea->fcport->nvme_first_burst_size = 0;
2387                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2388                 break;
2389         default:
2390                 sp = ea->sp;
2391                 ql_dbg(ql_dbg_disc, vha, 0x2118,
2392                        "%s %d %8phC priority %s, fc4type %x prev try %s\n",
2393                        __func__, __LINE__, ea->fcport->port_name,
2394                        vha->hw->fc4_type_priority == FC4_PRIORITY_FCP ?
2395                        "FCP" : "NVMe", ea->fcport->fc4_type,
2396                        (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI) ?
2397                         "NVME" : "FCP");
2398
2399                 if (NVME_FCP_TARGET(ea->fcport)) {
2400                         if (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI)
2401                                 ea->fcport->do_prli_nvme = 0;
2402                         else
2403                                 ea->fcport->do_prli_nvme = 1;
2404                 } else {
2405                         ea->fcport->do_prli_nvme = 0;
2406                 }
2407
2408                 if (N2N_TOPO(vha->hw)) {
2409                         if (ea->fcport->n2n_link_reset_cnt ==
2410                             vha->hw->login_retry_count &&
2411                             ea->fcport->flags & FCF_FCSP_DEVICE) {
2412                                 /* remote authentication app just started */
2413                                 ea->fcport->n2n_link_reset_cnt = 0;
2414                         }
2415
2416                         if (ea->fcport->n2n_link_reset_cnt <
2417                             vha->hw->login_retry_count) {
2418                                 ea->fcport->n2n_link_reset_cnt++;
2419                                 vha->relogin_jif = jiffies + 2 * HZ;
2420                                 /*
2421                                  * PRLI failed. Reset link to kick start
2422                                  * state machine
2423                                  */
2424                                 set_bit(N2N_LINK_RESET, &vha->dpc_flags);
2425                                 qla2xxx_wake_dpc(vha);
2426                         } else {
2427                                 ql_log(ql_log_warn, vha, 0x2119,
2428                                        "%s %d %8phC Unable to reconnect\n",
2429                                        __func__, __LINE__,
2430                                        ea->fcport->port_name);
2431                         }
2432                 } else {
2433                         /*
2434                          * switch connect. login failed. Take connection down
2435                          * and allow relogin to retrigger
2436                          */
2437                         ea->fcport->flags &= ~FCF_ASYNC_SENT;
2438                         ea->fcport->keep_nport_handle = 0;
2439                         ea->fcport->logout_on_delete = 1;
2440                         qlt_schedule_sess_for_deletion(ea->fcport);
2441                 }
2442                 break;
2443         }
2444 }
2445
2446 void
2447 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
2448 {
2449         port_id_t cid;  /* conflict Nport id */
2450         u16 lid;
2451         struct fc_port *conflict_fcport;
2452         unsigned long flags;
2453         struct fc_port *fcport = ea->fcport;
2454
2455         ql_dbg(ql_dbg_disc, vha, 0xffff,
2456             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
2457             __func__, fcport->port_name, fcport->disc_state,
2458             fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
2459             ea->sp->gen1, fcport->rscn_gen,
2460             ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
2461
2462         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
2463             (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
2464                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
2465                     "%s %d %8phC Remote is trying to login\n",
2466                     __func__, __LINE__, fcport->port_name);
2467                 return;
2468         }
2469
2470         if ((fcport->disc_state == DSC_DELETE_PEND) ||
2471             (fcport->disc_state == DSC_DELETED)) {
2472                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2473                 return;
2474         }
2475
2476         if (ea->sp->gen2 != fcport->login_gen) {
2477                 /* target side must have changed it. */
2478                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
2479                     "%s %8phC generation changed\n",
2480                     __func__, fcport->port_name);
2481                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2482                 return;
2483         } else if (ea->sp->gen1 != fcport->rscn_gen) {
2484                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
2485                     "%s %8phC RSCN generation changed\n",
2486                     __func__, fcport->port_name);
2487                 qla_rscn_replay(fcport);
2488                 qlt_schedule_sess_for_deletion(fcport);
2489                 return;
2490         }
2491
2492         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
2493                   ea->data[0]);
2494
2495         switch (ea->data[0]) {
2496         case MBS_COMMAND_COMPLETE:
2497                 /*
2498                  * Driver must validate login state - If PRLI not complete,
2499                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
2500                  * requests.
2501                  */
2502                 if (vha->hw->flags.edif_enabled) {
2503                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2504                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2505                         ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2506                         ea->fcport->logout_on_delete = 1;
2507                         ea->fcport->send_els_logo = 0;
2508                         ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
2509                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2510
2511                         qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2512                 } else {
2513                         if (NVME_TARGET(vha->hw, fcport)) {
2514                                 ql_dbg(ql_dbg_disc, vha, 0x2117,
2515                                     "%s %d %8phC post prli\n",
2516                                     __func__, __LINE__, fcport->port_name);
2517                                 qla24xx_post_prli_work(vha, fcport);
2518                         } else {
2519                                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
2520                                     "%s %d %8phC LoopID 0x%x in use with %06x. post gpdb\n",
2521                                     __func__, __LINE__, fcport->port_name,
2522                                     fcport->loop_id, fcport->d_id.b24);
2523
2524                                 set_bit(fcport->loop_id, vha->hw->loop_id_map);
2525                                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2526                                 fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2527                                 fcport->logout_on_delete = 1;
2528                                 fcport->send_els_logo = 0;
2529                                 fcport->fw_login_state = DSC_LS_PRLI_COMP;
2530                                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2531
2532                                 qla24xx_post_gpdb_work(vha, fcport, 0);
2533                         }
2534                 }
2535                 break;
2536         case MBS_COMMAND_ERROR:
2537                 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
2538                     __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
2539
2540                 qlt_schedule_sess_for_deletion(ea->fcport);
2541                 break;
2542         case MBS_LOOP_ID_USED:
2543                 /* data[1] = IO PARAM 1 = nport ID  */
2544                 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
2545                 cid.b.area   = (ea->iop[1] >>  8) & 0xff;
2546                 cid.b.al_pa  = ea->iop[1] & 0xff;
2547                 cid.b.rsvd_1 = 0;
2548
2549                 ql_dbg(ql_dbg_disc, vha, 0x20ec,
2550                     "%s %d %8phC lid %#x in use with pid %06x post gnl\n",
2551                     __func__, __LINE__, ea->fcport->port_name,
2552                     ea->fcport->loop_id, cid.b24);
2553
2554                 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2555                 ea->fcport->loop_id = FC_NO_LOOP_ID;
2556                 qla24xx_post_gnl_work(vha, ea->fcport);
2557                 break;
2558         case MBS_PORT_ID_USED:
2559                 lid = ea->iop[1] & 0xffff;
2560                 qlt_find_sess_invalidate_other(vha,
2561                     wwn_to_u64(ea->fcport->port_name),
2562                     ea->fcport->d_id, lid, &conflict_fcport);
2563
2564                 if (conflict_fcport) {
2565                         /*
2566                          * Another fcport share the same loop_id/nport id.
2567                          * Conflict fcport needs to finish cleanup before this
2568                          * fcport can proceed to login.
2569                          */
2570                         conflict_fcport->conflict = ea->fcport;
2571                         ea->fcport->login_pause = 1;
2572
2573                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2574                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x.\n",
2575                             __func__, __LINE__, ea->fcport->port_name,
2576                             ea->fcport->d_id.b24, lid);
2577                 } else {
2578                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2579                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
2580                             __func__, __LINE__, ea->fcport->port_name,
2581                             ea->fcport->d_id.b24, lid);
2582
2583                         qla2x00_clear_loop_id(ea->fcport);
2584                         set_bit(lid, vha->hw->loop_id_map);
2585                         ea->fcport->loop_id = lid;
2586                         ea->fcport->keep_nport_handle = 0;
2587                         ea->fcport->logout_on_delete = 1;
2588                         qlt_schedule_sess_for_deletion(ea->fcport);
2589                 }
2590                 break;
2591         }
2592         return;
2593 }
2594
2595 /****************************************************************************/
2596 /*                QLogic ISP2x00 Hardware Support Functions.                */
2597 /****************************************************************************/
2598
2599 static int
2600 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
2601 {
2602         int rval = QLA_SUCCESS;
2603         struct qla_hw_data *ha = vha->hw;
2604         uint32_t idc_major_ver, idc_minor_ver;
2605         uint16_t config[4];
2606
2607         qla83xx_idc_lock(vha, 0);
2608
2609         /* SV: TODO: Assign initialization timeout from
2610          * flash-info / other param
2611          */
2612         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
2613         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
2614
2615         /* Set our fcoe function presence */
2616         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
2617                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
2618                     "Error while setting DRV-Presence.\n");
2619                 rval = QLA_FUNCTION_FAILED;
2620                 goto exit;
2621         }
2622
2623         /* Decide the reset ownership */
2624         qla83xx_reset_ownership(vha);
2625
2626         /*
2627          * On first protocol driver load:
2628          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
2629          * register.
2630          * Others: Check compatibility with current IDC Major version.
2631          */
2632         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
2633         if (ha->flags.nic_core_reset_owner) {
2634                 /* Set IDC Major version */
2635                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
2636                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
2637
2638                 /* Clearing IDC-Lock-Recovery register */
2639                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
2640         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
2641                 /*
2642                  * Clear further IDC participation if we are not compatible with
2643                  * the current IDC Major Version.
2644                  */
2645                 ql_log(ql_log_warn, vha, 0xb07d,
2646                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
2647                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
2648                 __qla83xx_clear_drv_presence(vha);
2649                 rval = QLA_FUNCTION_FAILED;
2650                 goto exit;
2651         }
2652         /* Each function sets its supported Minor version. */
2653         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
2654         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
2655         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
2656
2657         if (ha->flags.nic_core_reset_owner) {
2658                 memset(config, 0, sizeof(config));
2659                 if (!qla81xx_get_port_config(vha, config))
2660                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
2661                             QLA8XXX_DEV_READY);
2662         }
2663
2664         rval = qla83xx_idc_state_handler(vha);
2665
2666 exit:
2667         qla83xx_idc_unlock(vha, 0);
2668
2669         return rval;
2670 }
2671
2672 static void qla_enable_fce_trace(scsi_qla_host_t *vha)
2673 {
2674         int rval;
2675         struct qla_hw_data *ha = vha->hw;
2676
2677         if (ha->fce) {
2678                 ha->flags.fce_enabled = 1;
2679                 memset(ha->fce, 0, fce_calc_size(ha->fce_bufs));
2680                 rval = qla2x00_enable_fce_trace(vha,
2681                     ha->fce_dma, ha->fce_bufs, ha->fce_mb, &ha->fce_bufs);
2682
2683                 if (rval) {
2684                         ql_log(ql_log_warn, vha, 0x8033,
2685                             "Unable to reinitialize FCE (%d).\n", rval);
2686                         ha->flags.fce_enabled = 0;
2687                 }
2688         }
2689 }
2690
2691 static void qla_enable_eft_trace(scsi_qla_host_t *vha)
2692 {
2693         int rval;
2694         struct qla_hw_data *ha = vha->hw;
2695
2696         if (ha->eft) {
2697                 memset(ha->eft, 0, EFT_SIZE);
2698                 rval = qla2x00_enable_eft_trace(vha, ha->eft_dma, EFT_NUM_BUFFERS);
2699
2700                 if (rval) {
2701                         ql_log(ql_log_warn, vha, 0x8034,
2702                             "Unable to reinitialize EFT (%d).\n", rval);
2703                 }
2704         }
2705 }
2706 /*
2707 * qla2x00_initialize_adapter
2708 *      Initialize board.
2709 *
2710 * Input:
2711 *      ha = adapter block pointer.
2712 *
2713 * Returns:
2714 *      0 = success
2715 */
2716 int
2717 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
2718 {
2719         int     rval;
2720         struct qla_hw_data *ha = vha->hw;
2721         struct req_que *req = ha->req_q_map[0];
2722         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2723
2724         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2725         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2726
2727         /* Clear adapter flags. */
2728         vha->flags.online = 0;
2729         ha->flags.chip_reset_done = 0;
2730         vha->flags.reset_active = 0;
2731         ha->flags.pci_channel_io_perm_failure = 0;
2732         ha->flags.eeh_busy = 0;
2733         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2734         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2735         atomic_set(&vha->loop_state, LOOP_DOWN);
2736         vha->device_flags = DFLG_NO_CABLE;
2737         vha->dpc_flags = 0;
2738         vha->flags.management_server_logged_in = 0;
2739         vha->marker_needed = 0;
2740         ha->isp_abort_cnt = 0;
2741         ha->beacon_blink_led = 0;
2742
2743         set_bit(0, ha->req_qid_map);
2744         set_bit(0, ha->rsp_qid_map);
2745
2746         ql_dbg(ql_dbg_init, vha, 0x0040,
2747             "Configuring PCI space...\n");
2748         rval = ha->isp_ops->pci_config(vha);
2749         if (rval) {
2750                 ql_log(ql_log_warn, vha, 0x0044,
2751                     "Unable to configure PCI space.\n");
2752                 return (rval);
2753         }
2754
2755         ha->isp_ops->reset_chip(vha);
2756
2757         /* Check for secure flash support */
2758         if (IS_QLA28XX(ha)) {
2759                 if (rd_reg_word(&reg->mailbox12) & BIT_0)
2760                         ha->flags.secure_adapter = 1;
2761                 ql_log(ql_log_info, vha, 0xffff, "Secure Adapter: %s\n",
2762                     (ha->flags.secure_adapter) ? "Yes" : "No");
2763         }
2764
2765
2766         rval = qla2xxx_get_flash_info(vha);
2767         if (rval) {
2768                 ql_log(ql_log_fatal, vha, 0x004f,
2769                     "Unable to validate FLASH data.\n");
2770                 return rval;
2771         }
2772
2773         if (IS_QLA8044(ha)) {
2774                 qla8044_read_reset_template(vha);
2775
2776                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
2777                  * If DONRESET_BIT0 is set, drivers should not set dev_state
2778                  * to NEED_RESET. But if NEED_RESET is set, drivers should
2779                  * should honor the reset. */
2780                 if (ql2xdontresethba == 1)
2781                         qla8044_set_idc_dontreset(vha);
2782         }
2783
2784         ha->isp_ops->get_flash_version(vha, req->ring);
2785         ql_dbg(ql_dbg_init, vha, 0x0061,
2786             "Configure NVRAM parameters...\n");
2787
2788         /* Let priority default to FCP, can be overridden by nvram_config */
2789         ha->fc4_type_priority = FC4_PRIORITY_FCP;
2790
2791         ha->isp_ops->nvram_config(vha);
2792
2793         if (ha->fc4_type_priority != FC4_PRIORITY_FCP &&
2794             ha->fc4_type_priority != FC4_PRIORITY_NVME)
2795                 ha->fc4_type_priority = FC4_PRIORITY_FCP;
2796
2797         ql_log(ql_log_info, vha, 0xffff, "FC4 priority set to %s\n",
2798                ha->fc4_type_priority == FC4_PRIORITY_FCP ? "FCP" : "NVMe");
2799
2800         if (ha->flags.disable_serdes) {
2801                 /* Mask HBA via NVRAM settings? */
2802                 ql_log(ql_log_info, vha, 0x0077,
2803                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
2804                 return QLA_FUNCTION_FAILED;
2805         }
2806
2807         ql_dbg(ql_dbg_init, vha, 0x0078,
2808             "Verifying loaded RISC code...\n");
2809
2810         /* If smartsan enabled then require fdmi and rdp enabled */
2811         if (ql2xsmartsan) {
2812                 ql2xfdmienable = 1;
2813                 ql2xrdpenable = 1;
2814         }
2815
2816         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
2817                 rval = ha->isp_ops->chip_diag(vha);
2818                 if (rval)
2819                         return (rval);
2820                 rval = qla2x00_setup_chip(vha);
2821                 if (rval)
2822                         return (rval);
2823         }
2824
2825         if (IS_QLA84XX(ha)) {
2826                 ha->cs84xx = qla84xx_get_chip(vha);
2827                 if (!ha->cs84xx) {
2828                         ql_log(ql_log_warn, vha, 0x00d0,
2829                             "Unable to configure ISP84XX.\n");
2830                         return QLA_FUNCTION_FAILED;
2831                 }
2832         }
2833
2834         if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2835                 rval = qla2x00_init_rings(vha);
2836
2837         /* No point in continuing if firmware initialization failed. */
2838         if (rval != QLA_SUCCESS)
2839                 return rval;
2840
2841         ha->flags.chip_reset_done = 1;
2842
2843         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2844                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
2845                 rval = qla84xx_init_chip(vha);
2846                 if (rval != QLA_SUCCESS) {
2847                         ql_log(ql_log_warn, vha, 0x00d4,
2848                             "Unable to initialize ISP84XX.\n");
2849                         qla84xx_put_chip(vha);
2850                 }
2851         }
2852
2853         /* Load the NIC Core f/w if we are the first protocol driver. */
2854         if (IS_QLA8031(ha)) {
2855                 rval = qla83xx_nic_core_fw_load(vha);
2856                 if (rval)
2857                         ql_log(ql_log_warn, vha, 0x0124,
2858                             "Error in initializing NIC Core f/w.\n");
2859         }
2860
2861         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
2862                 qla24xx_read_fcp_prio_cfg(vha);
2863
2864         if (IS_P3P_TYPE(ha))
2865                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
2866         else
2867                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
2868
2869         return (rval);
2870 }
2871
2872 /**
2873  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2874  * @vha: HA context
2875  *
2876  * Returns 0 on success.
2877  */
2878 int
2879 qla2100_pci_config(scsi_qla_host_t *vha)
2880 {
2881         uint16_t w;
2882         unsigned long flags;
2883         struct qla_hw_data *ha = vha->hw;
2884         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2885
2886         pci_set_master(ha->pdev);
2887         pci_try_set_mwi(ha->pdev);
2888
2889         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2890         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2891         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2892
2893         pci_disable_rom(ha->pdev);
2894
2895         /* Get PCI bus information. */
2896         spin_lock_irqsave(&ha->hardware_lock, flags);
2897         ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2898         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2899
2900         return QLA_SUCCESS;
2901 }
2902
2903 /**
2904  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2905  * @vha: HA context
2906  *
2907  * Returns 0 on success.
2908  */
2909 int
2910 qla2300_pci_config(scsi_qla_host_t *vha)
2911 {
2912         uint16_t        w;
2913         unsigned long   flags = 0;
2914         uint32_t        cnt;
2915         struct qla_hw_data *ha = vha->hw;
2916         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2917
2918         pci_set_master(ha->pdev);
2919         pci_try_set_mwi(ha->pdev);
2920
2921         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2922         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2923
2924         if (IS_QLA2322(ha) || IS_QLA6322(ha))
2925                 w &= ~PCI_COMMAND_INTX_DISABLE;
2926         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2927
2928         /*
2929          * If this is a 2300 card and not 2312, reset the
2930          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
2931          * the 2310 also reports itself as a 2300 so we need to get the
2932          * fb revision level -- a 6 indicates it really is a 2300 and
2933          * not a 2310.
2934          */
2935         if (IS_QLA2300(ha)) {
2936                 spin_lock_irqsave(&ha->hardware_lock, flags);
2937
2938                 /* Pause RISC. */
2939                 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2940                 for (cnt = 0; cnt < 30000; cnt++) {
2941                         if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2942                                 break;
2943
2944                         udelay(10);
2945                 }
2946
2947                 /* Select FPM registers. */
2948                 wrt_reg_word(&reg->ctrl_status, 0x20);
2949                 rd_reg_word(&reg->ctrl_status);
2950
2951                 /* Get the fb rev level */
2952                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2953
2954                 if (ha->fb_rev == FPM_2300)
2955                         pci_clear_mwi(ha->pdev);
2956
2957                 /* Deselect FPM registers. */
2958                 wrt_reg_word(&reg->ctrl_status, 0x0);
2959                 rd_reg_word(&reg->ctrl_status);
2960
2961                 /* Release RISC module. */
2962                 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2963                 for (cnt = 0; cnt < 30000; cnt++) {
2964                         if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2965                                 break;
2966
2967                         udelay(10);
2968                 }
2969
2970                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2971         }
2972
2973         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2974
2975         pci_disable_rom(ha->pdev);
2976
2977         /* Get PCI bus information. */
2978         spin_lock_irqsave(&ha->hardware_lock, flags);
2979         ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2980         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2981
2982         return QLA_SUCCESS;
2983 }
2984
2985 /**
2986  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2987  * @vha: HA context
2988  *
2989  * Returns 0 on success.
2990  */
2991 int
2992 qla24xx_pci_config(scsi_qla_host_t *vha)
2993 {
2994         uint16_t w;
2995         unsigned long flags = 0;
2996         struct qla_hw_data *ha = vha->hw;
2997         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2998
2999         pci_set_master(ha->pdev);
3000         pci_try_set_mwi(ha->pdev);
3001
3002         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
3003         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
3004         w &= ~PCI_COMMAND_INTX_DISABLE;
3005         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
3006
3007         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
3008
3009         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
3010         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
3011                 pcix_set_mmrbc(ha->pdev, 2048);
3012
3013         /* PCIe -- adjust Maximum Read Request Size (2048). */
3014         if (pci_is_pcie(ha->pdev))
3015                 pcie_set_readrq(ha->pdev, 4096);
3016
3017         pci_disable_rom(ha->pdev);
3018
3019         ha->chip_revision = ha->pdev->revision;
3020
3021         /* Get PCI bus information. */
3022         spin_lock_irqsave(&ha->hardware_lock, flags);
3023         ha->pci_attr = rd_reg_dword(&reg->ctrl_status);
3024         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3025
3026         return QLA_SUCCESS;
3027 }
3028
3029 /**
3030  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
3031  * @vha: HA context
3032  *
3033  * Returns 0 on success.
3034  */
3035 int
3036 qla25xx_pci_config(scsi_qla_host_t *vha)
3037 {
3038         uint16_t w;
3039         struct qla_hw_data *ha = vha->hw;
3040
3041         pci_set_master(ha->pdev);
3042         pci_try_set_mwi(ha->pdev);
3043
3044         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
3045         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
3046         w &= ~PCI_COMMAND_INTX_DISABLE;
3047         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
3048
3049         /* PCIe -- adjust Maximum Read Request Size (2048). */
3050         if (pci_is_pcie(ha->pdev))
3051                 pcie_set_readrq(ha->pdev, 4096);
3052
3053         pci_disable_rom(ha->pdev);
3054
3055         ha->chip_revision = ha->pdev->revision;
3056
3057         return QLA_SUCCESS;
3058 }
3059
3060 /**
3061  * qla2x00_isp_firmware() - Choose firmware image.
3062  * @vha: HA context
3063  *
3064  * Returns 0 on success.
3065  */
3066 static int
3067 qla2x00_isp_firmware(scsi_qla_host_t *vha)
3068 {
3069         int  rval;
3070         uint16_t loop_id, topo, sw_cap;
3071         uint8_t domain, area, al_pa;
3072         struct qla_hw_data *ha = vha->hw;
3073
3074         /* Assume loading risc code */
3075         rval = QLA_FUNCTION_FAILED;
3076
3077         if (ha->flags.disable_risc_code_load) {
3078                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
3079
3080                 /* Verify checksum of loaded RISC code. */
3081                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
3082                 if (rval == QLA_SUCCESS) {
3083                         /* And, verify we are not in ROM code. */
3084                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
3085                             &area, &domain, &topo, &sw_cap);
3086                 }
3087         }
3088
3089         if (rval)
3090                 ql_dbg(ql_dbg_init, vha, 0x007a,
3091                     "**** Load RISC code ****.\n");
3092
3093         return (rval);
3094 }
3095
3096 /**
3097  * qla2x00_reset_chip() - Reset ISP chip.
3098  * @vha: HA context
3099  *
3100  * Returns 0 on success.
3101  */
3102 int
3103 qla2x00_reset_chip(scsi_qla_host_t *vha)
3104 {
3105         unsigned long   flags = 0;
3106         struct qla_hw_data *ha = vha->hw;
3107         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3108         uint32_t        cnt;
3109         uint16_t        cmd;
3110         int rval = QLA_FUNCTION_FAILED;
3111
3112         if (unlikely(pci_channel_offline(ha->pdev)))
3113                 return rval;
3114
3115         ha->isp_ops->disable_intrs(ha);
3116
3117         spin_lock_irqsave(&ha->hardware_lock, flags);
3118
3119         /* Turn off master enable */
3120         cmd = 0;
3121         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
3122         cmd &= ~PCI_COMMAND_MASTER;
3123         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
3124
3125         if (!IS_QLA2100(ha)) {
3126                 /* Pause RISC. */
3127                 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
3128                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
3129                         for (cnt = 0; cnt < 30000; cnt++) {
3130                                 if ((rd_reg_word(&reg->hccr) &
3131                                     HCCR_RISC_PAUSE) != 0)
3132                                         break;
3133                                 udelay(100);
3134                         }
3135                 } else {
3136                         rd_reg_word(&reg->hccr);        /* PCI Posting. */
3137                         udelay(10);
3138                 }
3139
3140                 /* Select FPM registers. */
3141                 wrt_reg_word(&reg->ctrl_status, 0x20);
3142                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
3143
3144                 /* FPM Soft Reset. */
3145                 wrt_reg_word(&reg->fpm_diag_config, 0x100);
3146                 rd_reg_word(&reg->fpm_diag_config);     /* PCI Posting. */
3147
3148                 /* Toggle Fpm Reset. */
3149                 if (!IS_QLA2200(ha)) {
3150                         wrt_reg_word(&reg->fpm_diag_config, 0x0);
3151                         rd_reg_word(&reg->fpm_diag_config); /* PCI Posting. */
3152                 }
3153
3154                 /* Select frame buffer registers. */
3155                 wrt_reg_word(&reg->ctrl_status, 0x10);
3156                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
3157
3158                 /* Reset frame buffer FIFOs. */
3159                 if (IS_QLA2200(ha)) {
3160                         WRT_FB_CMD_REG(ha, reg, 0xa000);
3161                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
3162                 } else {
3163                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
3164
3165                         /* Read back fb_cmd until zero or 3 seconds max */
3166                         for (cnt = 0; cnt < 3000; cnt++) {
3167                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
3168                                         break;
3169                                 udelay(100);
3170                         }
3171                 }
3172
3173                 /* Select RISC module registers. */
3174                 wrt_reg_word(&reg->ctrl_status, 0);
3175                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
3176
3177                 /* Reset RISC processor. */
3178                 wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
3179                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
3180
3181                 /* Release RISC processor. */
3182                 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
3183                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
3184         }
3185
3186         wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
3187         wrt_reg_word(&reg->hccr, HCCR_CLR_HOST_INT);
3188
3189         /* Reset ISP chip. */
3190         wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
3191
3192         /* Wait for RISC to recover from reset. */
3193         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
3194                 /*
3195                  * It is necessary to for a delay here since the card doesn't
3196                  * respond to PCI reads during a reset. On some architectures
3197                  * this will result in an MCA.
3198                  */
3199                 udelay(20);
3200                 for (cnt = 30000; cnt; cnt--) {
3201                         if ((rd_reg_word(&reg->ctrl_status) &
3202                             CSR_ISP_SOFT_RESET) == 0)
3203                                 break;
3204                         udelay(100);
3205                 }
3206         } else
3207                 udelay(10);
3208
3209         /* Reset RISC processor. */
3210         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
3211
3212         wrt_reg_word(&reg->semaphore, 0);
3213
3214         /* Release RISC processor. */
3215         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
3216         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
3217
3218         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
3219                 for (cnt = 0; cnt < 30000; cnt++) {
3220                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
3221                                 break;
3222
3223                         udelay(100);
3224                 }
3225         } else
3226                 udelay(100);
3227
3228         /* Turn on master enable */
3229         cmd |= PCI_COMMAND_MASTER;
3230         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
3231
3232         /* Disable RISC pause on FPM parity error. */
3233         if (!IS_QLA2100(ha)) {
3234                 wrt_reg_word(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
3235                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
3236         }
3237
3238         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3239
3240         return QLA_SUCCESS;
3241 }
3242
3243 /**
3244  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
3245  * @vha: HA context
3246  *
3247  * Returns 0 on success.
3248  */
3249 static int
3250 qla81xx_reset_mpi(scsi_qla_host_t *vha)
3251 {
3252         uint16_t mb[4] = {0x1010, 0, 1, 0};
3253
3254         if (!IS_QLA81XX(vha->hw))
3255                 return QLA_SUCCESS;
3256
3257         return qla81xx_write_mpi_register(vha, mb);
3258 }
3259
3260 static int
3261 qla_chk_risc_recovery(scsi_qla_host_t *vha)
3262 {
3263         struct qla_hw_data *ha = vha->hw;
3264         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3265         __le16 __iomem *mbptr = &reg->mailbox0;
3266         int i;
3267         u16 mb[32];
3268         int rc = QLA_SUCCESS;
3269
3270         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3271                 return rc;
3272
3273         /* this check is only valid after RISC reset */
3274         mb[0] = rd_reg_word(mbptr);
3275         mbptr++;
3276         if (mb[0] == 0xf) {
3277                 rc = QLA_FUNCTION_FAILED;
3278
3279                 for (i = 1; i < 32; i++) {
3280                         mb[i] = rd_reg_word(mbptr);
3281                         mbptr++;
3282                 }
3283
3284                 ql_log(ql_log_warn, vha, 0x1015,
3285                        "RISC reset failed. mb[0-7] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
3286                        mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6], mb[7]);
3287                 ql_log(ql_log_warn, vha, 0x1015,
3288                        "RISC reset failed. mb[8-15] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
3289                        mb[8], mb[9], mb[10], mb[11], mb[12], mb[13], mb[14],
3290                        mb[15]);
3291                 ql_log(ql_log_warn, vha, 0x1015,
3292                        "RISC reset failed. mb[16-23] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
3293                        mb[16], mb[17], mb[18], mb[19], mb[20], mb[21], mb[22],
3294                        mb[23]);
3295                 ql_log(ql_log_warn, vha, 0x1015,
3296                        "RISC reset failed. mb[24-31] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
3297                        mb[24], mb[25], mb[26], mb[27], mb[28], mb[29], mb[30],
3298                        mb[31]);
3299         }
3300         return rc;
3301 }
3302
3303 /**
3304  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
3305  * @vha: HA context
3306  *
3307  * Returns 0 on success.
3308  */
3309 static inline int
3310 qla24xx_reset_risc(scsi_qla_host_t *vha)
3311 {
3312         unsigned long flags = 0;
3313         struct qla_hw_data *ha = vha->hw;
3314         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3315         uint32_t cnt;
3316         uint16_t wd;
3317         static int abts_cnt; /* ISP abort retry counts */
3318         int rval = QLA_SUCCESS;
3319         int print = 1;
3320
3321         spin_lock_irqsave(&ha->hardware_lock, flags);
3322
3323         /* Reset RISC. */
3324         wrt_reg_dword(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
3325         for (cnt = 0; cnt < 30000; cnt++) {
3326                 if ((rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
3327                         break;
3328
3329                 udelay(10);
3330         }
3331
3332         if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
3333                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
3334
3335         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
3336             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
3337             rd_reg_dword(&reg->hccr),
3338             rd_reg_dword(&reg->ctrl_status),
3339             (rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
3340
3341         wrt_reg_dword(&reg->ctrl_status,
3342             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
3343         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
3344
3345         udelay(100);
3346
3347         /* Wait for firmware to complete NVRAM accesses. */
3348         rd_reg_word(&reg->mailbox0);
3349         for (cnt = 10000; rd_reg_word(&reg->mailbox0) != 0 &&
3350             rval == QLA_SUCCESS; cnt--) {
3351                 barrier();
3352                 if (cnt)
3353                         udelay(5);
3354                 else
3355                         rval = QLA_FUNCTION_TIMEOUT;
3356         }
3357
3358         if (rval == QLA_SUCCESS)
3359                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
3360
3361         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
3362             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
3363             rd_reg_dword(&reg->hccr),
3364             rd_reg_word(&reg->mailbox0));
3365
3366         /* Wait for soft-reset to complete. */
3367         rd_reg_dword(&reg->ctrl_status);
3368         for (cnt = 0; cnt < 60; cnt++) {
3369                 barrier();
3370                 if ((rd_reg_dword(&reg->ctrl_status) &
3371                     CSRX_ISP_SOFT_RESET) == 0)
3372                         break;
3373
3374                 udelay(5);
3375         }
3376         if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
3377                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
3378
3379         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
3380             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
3381             rd_reg_dword(&reg->hccr),
3382             rd_reg_dword(&reg->ctrl_status));
3383
3384         /* If required, do an MPI FW reset now */
3385         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
3386                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
3387                         if (++abts_cnt < 5) {
3388                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3389                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
3390                         } else {
3391                                 /*
3392                                  * We exhausted the ISP abort retries. We have to
3393                                  * set the board offline.
3394                                  */
3395                                 abts_cnt = 0;
3396                                 vha->flags.online = 0;
3397                         }
3398                 }
3399         }
3400
3401         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
3402         rd_reg_dword(&reg->hccr);
3403
3404         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3405         rd_reg_dword(&reg->hccr);
3406
3407         wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_RESET);
3408         mdelay(10);
3409         rd_reg_dword(&reg->hccr);
3410
3411         wd = rd_reg_word(&reg->mailbox0);
3412         for (cnt = 300; wd != 0 && rval == QLA_SUCCESS; cnt--) {
3413                 barrier();
3414                 if (cnt) {
3415                         mdelay(1);
3416                         if (print && qla_chk_risc_recovery(vha))
3417                                 print = 0;
3418
3419                         wd = rd_reg_word(&reg->mailbox0);
3420                 } else {
3421                         rval = QLA_FUNCTION_TIMEOUT;
3422
3423                         ql_log(ql_log_warn, vha, 0x015e,
3424                                "RISC reset timeout\n");
3425                 }
3426         }
3427
3428         if (rval == QLA_SUCCESS)
3429                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
3430
3431         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
3432             "Host Risc 0x%x, mailbox0 0x%x\n",
3433             rd_reg_dword(&reg->hccr),
3434              rd_reg_word(&reg->mailbox0));
3435
3436         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3437
3438         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
3439             "Driver in %s mode\n",
3440             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
3441
3442         if (IS_NOPOLLING_TYPE(ha))
3443                 ha->isp_ops->enable_intrs(ha);
3444
3445         return rval;
3446 }
3447
3448 static void
3449 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
3450 {
3451         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
3452
3453         wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
3454         *data = rd_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET);
3455 }
3456
3457 static void
3458 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
3459 {
3460         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
3461
3462         wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
3463         wrt_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET, data);
3464 }
3465
3466 static void
3467 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
3468 {
3469         uint32_t wd32 = 0;
3470         uint delta_msec = 100;
3471         uint elapsed_msec = 0;
3472         uint timeout_msec;
3473         ulong n;
3474
3475         if (vha->hw->pdev->subsystem_device != 0x0175 &&
3476             vha->hw->pdev->subsystem_device != 0x0240)
3477                 return;
3478
3479         wrt_reg_dword(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
3480         udelay(100);
3481
3482 attempt:
3483         timeout_msec = TIMEOUT_SEMAPHORE;
3484         n = timeout_msec / delta_msec;
3485         while (n--) {
3486                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
3487                 qla25xx_read_risc_sema_reg(vha, &wd32);
3488                 if (wd32 & RISC_SEMAPHORE)
3489                         break;
3490                 msleep(delta_msec);
3491                 elapsed_msec += delta_msec;
3492                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
3493                         goto force;
3494         }
3495
3496         if (!(wd32 & RISC_SEMAPHORE))
3497                 goto force;
3498
3499         if (!(wd32 & RISC_SEMAPHORE_FORCE))
3500                 goto acquired;
3501
3502         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
3503         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
3504         n = timeout_msec / delta_msec;
3505         while (n--) {
3506                 qla25xx_read_risc_sema_reg(vha, &wd32);
3507                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
3508                         break;
3509                 msleep(delta_msec);
3510                 elapsed_msec += delta_msec;
3511                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
3512                         goto force;
3513         }
3514
3515         if (wd32 & RISC_SEMAPHORE_FORCE)
3516                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
3517
3518         goto attempt;
3519
3520 force:
3521         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
3522
3523 acquired:
3524         return;
3525 }
3526
3527 /**
3528  * qla24xx_reset_chip() - Reset ISP24xx chip.
3529  * @vha: HA context
3530  *
3531  * Returns 0 on success.
3532  */
3533 int
3534 qla24xx_reset_chip(scsi_qla_host_t *vha)
3535 {
3536         struct qla_hw_data *ha = vha->hw;
3537         int rval = QLA_FUNCTION_FAILED;
3538
3539         if (pci_channel_offline(ha->pdev) &&
3540             ha->flags.pci_channel_io_perm_failure) {
3541                 return rval;
3542         }
3543
3544         ha->isp_ops->disable_intrs(ha);
3545
3546         qla25xx_manipulate_risc_semaphore(vha);
3547
3548         /* Perform RISC reset. */
3549         rval = qla24xx_reset_risc(vha);
3550
3551         return rval;
3552 }
3553
3554 /**
3555  * qla2x00_chip_diag() - Test chip for proper operation.
3556  * @vha: HA context
3557  *
3558  * Returns 0 on success.
3559  */
3560 int
3561 qla2x00_chip_diag(scsi_qla_host_t *vha)
3562 {
3563         int             rval;
3564         struct qla_hw_data *ha = vha->hw;
3565         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3566         unsigned long   flags = 0;
3567         uint16_t        data;
3568         uint32_t        cnt;
3569         uint16_t        mb[5];
3570         struct req_que *req = ha->req_q_map[0];
3571
3572         /* Assume a failed state */
3573         rval = QLA_FUNCTION_FAILED;
3574
3575         ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
3576                &reg->flash_address);
3577
3578         spin_lock_irqsave(&ha->hardware_lock, flags);
3579
3580         /* Reset ISP chip. */
3581         wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
3582
3583         /*
3584          * We need to have a delay here since the card will not respond while
3585          * in reset causing an MCA on some architectures.
3586          */
3587         udelay(20);
3588         data = qla2x00_debounce_register(&reg->ctrl_status);
3589         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
3590                 udelay(5);
3591                 data = rd_reg_word(&reg->ctrl_status);
3592                 barrier();
3593         }
3594
3595         if (!cnt)
3596                 goto chip_diag_failed;
3597
3598         ql_dbg(ql_dbg_init, vha, 0x007c,
3599             "Reset register cleared by chip reset.\n");
3600
3601         /* Reset RISC processor. */
3602         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
3603         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
3604
3605         /* Workaround for QLA2312 PCI parity error */
3606         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
3607                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
3608                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
3609                         udelay(5);
3610                         data = RD_MAILBOX_REG(ha, reg, 0);
3611                         barrier();
3612                 }
3613         } else
3614                 udelay(10);
3615
3616         if (!cnt)
3617                 goto chip_diag_failed;
3618
3619         /* Check product ID of chip */
3620         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
3621
3622         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
3623         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
3624         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
3625         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
3626         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
3627             mb[3] != PROD_ID_3) {
3628                 ql_log(ql_log_warn, vha, 0x0062,
3629                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
3630                     mb[1], mb[2], mb[3]);
3631
3632                 goto chip_diag_failed;
3633         }
3634         ha->product_id[0] = mb[1];
3635         ha->product_id[1] = mb[2];
3636         ha->product_id[2] = mb[3];
3637         ha->product_id[3] = mb[4];
3638
3639         /* Adjust fw RISC transfer size */
3640         if (req->length > 1024)
3641                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
3642         else
3643                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
3644                     req->length;
3645
3646         if (IS_QLA2200(ha) &&
3647             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
3648                 /* Limit firmware transfer size with a 2200A */
3649                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
3650
3651                 ha->device_type |= DT_ISP2200A;
3652                 ha->fw_transfer_size = 128;
3653         }
3654
3655         /* Wrap Incoming Mailboxes Test. */
3656         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3657
3658         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
3659         rval = qla2x00_mbx_reg_test(vha);
3660         if (rval)
3661                 ql_log(ql_log_warn, vha, 0x0080,
3662                     "Failed mailbox send register test.\n");
3663         else
3664                 /* Flag a successful rval */
3665                 rval = QLA_SUCCESS;
3666         spin_lock_irqsave(&ha->hardware_lock, flags);
3667
3668 chip_diag_failed:
3669         if (rval)
3670                 ql_log(ql_log_info, vha, 0x0081,
3671                     "Chip diagnostics **** FAILED ****.\n");
3672
3673         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3674
3675         return (rval);
3676 }
3677
3678 /**
3679  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
3680  * @vha: HA context
3681  *
3682  * Returns 0 on success.
3683  */
3684 int
3685 qla24xx_chip_diag(scsi_qla_host_t *vha)
3686 {
3687         int rval;
3688         struct qla_hw_data *ha = vha->hw;
3689         struct req_que *req = ha->req_q_map[0];
3690
3691         if (IS_P3P_TYPE(ha))
3692                 return QLA_SUCCESS;
3693
3694         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
3695
3696         rval = qla2x00_mbx_reg_test(vha);
3697         if (rval) {
3698                 ql_log(ql_log_warn, vha, 0x0082,
3699                     "Failed mailbox send register test.\n");
3700         } else {
3701                 /* Flag a successful rval */
3702                 rval = QLA_SUCCESS;
3703         }
3704
3705         return rval;
3706 }
3707
3708 static void
3709 qla2x00_alloc_fce_trace(scsi_qla_host_t *vha)
3710 {
3711         dma_addr_t tc_dma;
3712         void *tc;
3713         struct qla_hw_data *ha = vha->hw;
3714
3715         if (!IS_FWI2_CAPABLE(ha))
3716                 return;
3717
3718         if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3719             !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3720                 return;
3721
3722         if (ha->fce) {
3723                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3724                        "%s: FCE Mem is already allocated.\n",
3725                        __func__);
3726                 return;
3727         }
3728
3729         /* Allocate memory for Fibre Channel Event Buffer. */
3730         tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
3731                                 GFP_KERNEL);
3732         if (!tc) {
3733                 ql_log(ql_log_warn, vha, 0x00be,
3734                        "Unable to allocate (%d KB) for FCE.\n",
3735                        FCE_SIZE / 1024);
3736                 return;
3737         }
3738
3739         ql_dbg(ql_dbg_init, vha, 0x00c0,
3740                "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
3741
3742         ha->fce_dma = tc_dma;
3743         ha->fce = tc;
3744         ha->fce_bufs = FCE_NUM_BUFFERS;
3745 }
3746
3747 static void
3748 qla2x00_alloc_eft_trace(scsi_qla_host_t *vha)
3749 {
3750         dma_addr_t tc_dma;
3751         void *tc;
3752         struct qla_hw_data *ha = vha->hw;
3753
3754         if (!IS_FWI2_CAPABLE(ha))
3755                 return;
3756
3757         if (ha->eft) {
3758                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3759                     "%s: EFT Mem is already allocated.\n",
3760                     __func__);
3761                 return;
3762         }
3763
3764         /* Allocate memory for Extended Trace Buffer. */
3765         tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
3766                                 GFP_KERNEL);
3767         if (!tc) {
3768                 ql_log(ql_log_warn, vha, 0x00c1,
3769                        "Unable to allocate (%d KB) for EFT.\n",
3770                        EFT_SIZE / 1024);
3771                 return;
3772         }
3773
3774         ql_dbg(ql_dbg_init, vha, 0x00c3,
3775                "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3776
3777         ha->eft_dma = tc_dma;
3778         ha->eft = tc;
3779 }
3780
3781 void
3782 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
3783 {
3784         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
3785             eft_size, fce_size, mq_size;
3786         struct qla_hw_data *ha = vha->hw;
3787         struct req_que *req = ha->req_q_map[0];
3788         struct rsp_que *rsp = ha->rsp_q_map[0];
3789         struct qla2xxx_fw_dump *fw_dump;
3790
3791         if (ha->fw_dump) {
3792                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3793                     "Firmware dump already allocated.\n");
3794                 return;
3795         }
3796
3797         ha->fw_dumped = 0;
3798         ha->fw_dump_cap_flags = 0;
3799         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
3800         req_q_size = rsp_q_size = 0;
3801
3802         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3803                 fixed_size = sizeof(struct qla2100_fw_dump);
3804         } else if (IS_QLA23XX(ha)) {
3805                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
3806                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
3807                     sizeof(uint16_t);
3808         } else if (IS_FWI2_CAPABLE(ha)) {
3809                 if (IS_QLA83XX(ha))
3810                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
3811                 else if (IS_QLA81XX(ha))
3812                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
3813                 else if (IS_QLA25XX(ha))
3814                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
3815                 else
3816                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
3817
3818                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
3819                     sizeof(uint32_t);
3820                 if (ha->mqenable) {
3821                         if (!IS_QLA83XX(ha))
3822                                 mq_size = sizeof(struct qla2xxx_mq_chain);
3823                         /*
3824                          * Allocate maximum buffer size for all queues - Q0.
3825                          * Resizing must be done at end-of-dump processing.
3826                          */
3827                         mq_size += (ha->max_req_queues - 1) *
3828                             (req->length * sizeof(request_t));
3829                         mq_size += (ha->max_rsp_queues - 1) *
3830                             (rsp->length * sizeof(response_t));
3831                 }
3832                 if (ha->tgt.atio_ring)
3833                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
3834
3835                 qla2x00_alloc_fce_trace(vha);
3836                 if (ha->fce)
3837                         fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
3838                 qla2x00_alloc_eft_trace(vha);
3839                 if (ha->eft)
3840                         eft_size = EFT_SIZE;
3841         }
3842
3843         if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3844                 struct fwdt *fwdt = ha->fwdt;
3845                 uint j;
3846
3847                 for (j = 0; j < 2; j++, fwdt++) {
3848                         if (!fwdt->template) {
3849                                 ql_dbg(ql_dbg_init, vha, 0x00ba,
3850                                     "-> fwdt%u no template\n", j);
3851                                 continue;
3852                         }
3853                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3854                             "-> fwdt%u calculating fwdump size...\n", j);
3855                         fwdt->dump_size = qla27xx_fwdt_calculate_dump_size(
3856                             vha, fwdt->template);
3857                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3858                             "-> fwdt%u calculated fwdump size = %#lx bytes\n",
3859                             j, fwdt->dump_size);
3860                         dump_size += fwdt->dump_size;
3861                 }
3862                 /* Add space for spare MPI fw dump. */
3863                 dump_size += ha->fwdt[1].dump_size;
3864         } else {
3865                 req_q_size = req->length * sizeof(request_t);
3866                 rsp_q_size = rsp->length * sizeof(response_t);
3867                 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
3868                 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size
3869                         + eft_size;
3870                 ha->chain_offset = dump_size;
3871                 dump_size += mq_size + fce_size;
3872                 if (ha->exchoffld_buf)
3873                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3874                                 ha->exchoffld_size;
3875                 if (ha->exlogin_buf)
3876                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3877                                 ha->exlogin_size;
3878         }
3879
3880         if (!ha->fw_dump_len || dump_size > ha->fw_dump_alloc_len) {
3881
3882                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3883                     "%s dump_size %d fw_dump_len %d fw_dump_alloc_len %d\n",
3884                     __func__, dump_size, ha->fw_dump_len,
3885                     ha->fw_dump_alloc_len);
3886
3887                 fw_dump = vmalloc(dump_size);
3888                 if (!fw_dump) {
3889                         ql_log(ql_log_warn, vha, 0x00c4,
3890                             "Unable to allocate (%d KB) for firmware dump.\n",
3891                             dump_size / 1024);
3892                 } else {
3893                         mutex_lock(&ha->optrom_mutex);
3894                         if (ha->fw_dumped) {
3895                                 memcpy(fw_dump, ha->fw_dump, ha->fw_dump_len);
3896                                 vfree(ha->fw_dump);
3897                                 ha->fw_dump = fw_dump;
3898                                 ha->fw_dump_alloc_len =  dump_size;
3899                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3900                                     "Re-Allocated (%d KB) and save firmware dump.\n",
3901                                     dump_size / 1024);
3902                         } else {
3903                                 vfree(ha->fw_dump);
3904                                 ha->fw_dump = fw_dump;
3905
3906                                 ha->fw_dump_len = ha->fw_dump_alloc_len =
3907                                     dump_size;
3908                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3909                                     "Allocated (%d KB) for firmware dump.\n",
3910                                     dump_size / 1024);
3911
3912                                 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3913                                         ha->mpi_fw_dump = (char *)fw_dump +
3914                                                 ha->fwdt[1].dump_size;
3915                                         mutex_unlock(&ha->optrom_mutex);
3916                                         return;
3917                                 }
3918
3919                                 ha->fw_dump->signature[0] = 'Q';
3920                                 ha->fw_dump->signature[1] = 'L';
3921                                 ha->fw_dump->signature[2] = 'G';
3922                                 ha->fw_dump->signature[3] = 'C';
3923                                 ha->fw_dump->version = htonl(1);
3924
3925                                 ha->fw_dump->fixed_size = htonl(fixed_size);
3926                                 ha->fw_dump->mem_size = htonl(mem_size);
3927                                 ha->fw_dump->req_q_size = htonl(req_q_size);
3928                                 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3929
3930                                 ha->fw_dump->eft_size = htonl(eft_size);
3931                                 ha->fw_dump->eft_addr_l =
3932                                     htonl(LSD(ha->eft_dma));
3933                                 ha->fw_dump->eft_addr_h =
3934                                     htonl(MSD(ha->eft_dma));
3935
3936                                 ha->fw_dump->header_size =
3937                                         htonl(offsetof
3938                                             (struct qla2xxx_fw_dump, isp));
3939                         }
3940                         mutex_unlock(&ha->optrom_mutex);
3941                 }
3942         }
3943 }
3944
3945 static int
3946 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3947 {
3948 #define MPS_MASK        0xe0
3949         int rval;
3950         uint16_t dc;
3951         uint32_t dw;
3952
3953         if (!IS_QLA81XX(vha->hw))
3954                 return QLA_SUCCESS;
3955
3956         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3957         if (rval != QLA_SUCCESS) {
3958                 ql_log(ql_log_warn, vha, 0x0105,
3959                     "Unable to acquire semaphore.\n");
3960                 goto done;
3961         }
3962
3963         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3964         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3965         if (rval != QLA_SUCCESS) {
3966                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3967                 goto done_release;
3968         }
3969
3970         dc &= MPS_MASK;
3971         if (dc == (dw & MPS_MASK))
3972                 goto done_release;
3973
3974         dw &= ~MPS_MASK;
3975         dw |= dc;
3976         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3977         if (rval != QLA_SUCCESS) {
3978                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3979         }
3980
3981 done_release:
3982         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3983         if (rval != QLA_SUCCESS) {
3984                 ql_log(ql_log_warn, vha, 0x006d,
3985                     "Unable to release semaphore.\n");
3986         }
3987
3988 done:
3989         return rval;
3990 }
3991
3992 int
3993 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3994 {
3995         /* Don't try to reallocate the array */
3996         if (req->outstanding_cmds)
3997                 return QLA_SUCCESS;
3998
3999         if (!IS_FWI2_CAPABLE(ha))
4000                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
4001         else {
4002                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
4003                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
4004                 else
4005                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
4006         }
4007
4008         req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
4009                                         sizeof(srb_t *),
4010                                         GFP_KERNEL);
4011
4012         if (!req->outstanding_cmds) {
4013                 /*
4014                  * Try to allocate a minimal size just so we can get through
4015                  * initialization.
4016                  */
4017                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
4018                 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
4019                                                 sizeof(srb_t *),
4020                                                 GFP_KERNEL);
4021
4022                 if (!req->outstanding_cmds) {
4023                         ql_log(ql_log_fatal, NULL, 0x0126,
4024                             "Failed to allocate memory for "
4025                             "outstanding_cmds for req_que %p.\n", req);
4026                         req->num_outstanding_cmds = 0;
4027                         return QLA_FUNCTION_FAILED;
4028                 }
4029         }
4030
4031         return QLA_SUCCESS;
4032 }
4033
4034 #define PRINT_FIELD(_field, _flag, _str) {              \
4035         if (a0->_field & _flag) {\
4036                 if (p) {\
4037                         strcat(ptr, "|");\
4038                         ptr++;\
4039                         leftover--;\
4040                 } \
4041                 len = snprintf(ptr, leftover, "%s", _str);      \
4042                 p = 1;\
4043                 leftover -= len;\
4044                 ptr += len; \
4045         } \
4046 }
4047
4048 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
4049 {
4050 #define STR_LEN 64
4051         struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
4052         u8 str[STR_LEN], *ptr, p;
4053         int leftover, len;
4054
4055         memset(str, 0, STR_LEN);
4056         snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
4057         ql_dbg(ql_dbg_init, vha, 0x015a,
4058             "SFP MFG Name: %s\n", str);
4059
4060         memset(str, 0, STR_LEN);
4061         snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
4062         ql_dbg(ql_dbg_init, vha, 0x015c,
4063             "SFP Part Name: %s\n", str);
4064
4065         /* media */
4066         memset(str, 0, STR_LEN);
4067         ptr = str;
4068         leftover = STR_LEN;
4069         p = len = 0;
4070         PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
4071         PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
4072         PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
4073         PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
4074         PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
4075         PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
4076         PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
4077         ql_dbg(ql_dbg_init, vha, 0x0160,
4078             "SFP Media: %s\n", str);
4079
4080         /* link length */
4081         memset(str, 0, STR_LEN);
4082         ptr = str;
4083         leftover = STR_LEN;
4084         p = len = 0;
4085         PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
4086         PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
4087         PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
4088         PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
4089         PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
4090         ql_dbg(ql_dbg_init, vha, 0x0196,
4091             "SFP Link Length: %s\n", str);
4092
4093         memset(str, 0, STR_LEN);
4094         ptr = str;
4095         leftover = STR_LEN;
4096         p = len = 0;
4097         PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
4098         PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
4099         PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
4100         PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
4101         PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
4102         ql_dbg(ql_dbg_init, vha, 0x016e,
4103             "SFP FC Link Tech: %s\n", str);
4104
4105         if (a0->length_km)
4106                 ql_dbg(ql_dbg_init, vha, 0x016f,
4107                     "SFP Distant: %d km\n", a0->length_km);
4108         if (a0->length_100m)
4109                 ql_dbg(ql_dbg_init, vha, 0x0170,
4110                     "SFP Distant: %d m\n", a0->length_100m*100);
4111         if (a0->length_50um_10m)
4112                 ql_dbg(ql_dbg_init, vha, 0x0189,
4113                     "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
4114         if (a0->length_62um_10m)
4115                 ql_dbg(ql_dbg_init, vha, 0x018a,
4116                   "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
4117         if (a0->length_om4_10m)
4118                 ql_dbg(ql_dbg_init, vha, 0x0194,
4119                     "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
4120         if (a0->length_om3_10m)
4121                 ql_dbg(ql_dbg_init, vha, 0x0195,
4122                     "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
4123 }
4124
4125
4126 /**
4127  * qla24xx_detect_sfp()
4128  *
4129  * @vha: adapter state pointer.
4130  *
4131  * @return
4132  *      0 -- Configure firmware to use short-range settings -- normal
4133  *           buffer-to-buffer credits.
4134  *
4135  *      1 -- Configure firmware to use long-range settings -- extra
4136  *           buffer-to-buffer credits should be allocated with
4137  *           ha->lr_distance containing distance settings from NVRAM or SFP
4138  *           (if supported).
4139  */
4140 int
4141 qla24xx_detect_sfp(scsi_qla_host_t *vha)
4142 {
4143         int rc, used_nvram;
4144         struct sff_8247_a0 *a;
4145         struct qla_hw_data *ha = vha->hw;
4146         struct nvram_81xx *nv = ha->nvram;
4147 #define LR_DISTANCE_UNKNOWN     2
4148         static const char * const types[] = { "Short", "Long" };
4149         static const char * const lengths[] = { "(10km)", "(5km)", "" };
4150         u8 ll = 0;
4151
4152         /* Seed with NVRAM settings. */
4153         used_nvram = 0;
4154         ha->flags.lr_detected = 0;
4155         if (IS_BPM_RANGE_CAPABLE(ha) &&
4156             (nv->enhanced_features & NEF_LR_DIST_ENABLE)) {
4157                 used_nvram = 1;
4158                 ha->flags.lr_detected = 1;
4159                 ha->lr_distance =
4160                     (nv->enhanced_features >> LR_DIST_NV_POS)
4161                      & LR_DIST_NV_MASK;
4162         }
4163
4164         if (!IS_BPM_ENABLED(vha))
4165                 goto out;
4166         /* Determine SR/LR capabilities of SFP/Transceiver. */
4167         rc = qla2x00_read_sfp_dev(vha, NULL, 0);
4168         if (rc)
4169                 goto out;
4170
4171         used_nvram = 0;
4172         a = (struct sff_8247_a0 *)vha->hw->sfp_data;
4173         qla2xxx_print_sfp_info(vha);
4174
4175         ha->flags.lr_detected = 0;
4176         ll = a->fc_ll_cc7;
4177         if (ll & FC_LL_VL || ll & FC_LL_L) {
4178                 /* Long range, track length. */
4179                 ha->flags.lr_detected = 1;
4180
4181                 if (a->length_km > 5 || a->length_100m > 50)
4182                         ha->lr_distance = LR_DISTANCE_10K;
4183                 else
4184                         ha->lr_distance = LR_DISTANCE_5K;
4185         }
4186
4187 out:
4188         ql_dbg(ql_dbg_async, vha, 0x507b,
4189             "SFP detect: %s-Range SFP %s (nvr=%x ll=%x lr=%x lrd=%x).\n",
4190             types[ha->flags.lr_detected],
4191             ha->flags.lr_detected ? lengths[ha->lr_distance] :
4192                lengths[LR_DISTANCE_UNKNOWN],
4193             used_nvram, ll, ha->flags.lr_detected, ha->lr_distance);
4194         return ha->flags.lr_detected;
4195 }
4196
4197 static void __qla_adjust_iocb_limit(struct qla_qpair *qpair)
4198 {
4199         u8 num_qps;
4200         u16 limit;
4201         struct qla_hw_data *ha = qpair->vha->hw;
4202
4203         num_qps = ha->num_qpairs + 1;
4204         limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100;
4205
4206         qpair->fwres.iocbs_total = ha->orig_fw_iocb_count;
4207         qpair->fwres.iocbs_limit = limit;
4208         qpair->fwres.iocbs_qp_limit = limit / num_qps;
4209
4210         qpair->fwres.exch_total = ha->orig_fw_xcb_count;
4211         qpair->fwres.exch_limit = (ha->orig_fw_xcb_count *
4212                                    QLA_IOCB_PCT_LIMIT) / 100;
4213 }
4214
4215 void qla_init_iocb_limit(scsi_qla_host_t *vha)
4216 {
4217         u8 i;
4218         struct qla_hw_data *ha = vha->hw;
4219
4220         __qla_adjust_iocb_limit(ha->base_qpair);
4221         ha->base_qpair->fwres.iocbs_used = 0;
4222         ha->base_qpair->fwres.exch_used  = 0;
4223
4224         for (i = 0; i < ha->max_qpairs; i++) {
4225                 if (ha->queue_pair_map[i])  {
4226                         __qla_adjust_iocb_limit(ha->queue_pair_map[i]);
4227                         ha->queue_pair_map[i]->fwres.iocbs_used = 0;
4228                         ha->queue_pair_map[i]->fwres.exch_used = 0;
4229                 }
4230         }
4231
4232         ha->fwres.iocb_total = ha->orig_fw_iocb_count;
4233         ha->fwres.iocb_limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100;
4234         ha->fwres.exch_total = ha->orig_fw_xcb_count;
4235         ha->fwres.exch_limit = (ha->orig_fw_xcb_count * QLA_IOCB_PCT_LIMIT) / 100;
4236
4237         atomic_set(&ha->fwres.iocb_used, 0);
4238         atomic_set(&ha->fwres.exch_used, 0);
4239 }
4240
4241 void qla_adjust_iocb_limit(scsi_qla_host_t *vha)
4242 {
4243         u8 i;
4244         struct qla_hw_data *ha = vha->hw;
4245
4246         __qla_adjust_iocb_limit(ha->base_qpair);
4247
4248         for (i = 0; i < ha->max_qpairs; i++) {
4249                 if (ha->queue_pair_map[i])
4250                         __qla_adjust_iocb_limit(ha->queue_pair_map[i]);
4251         }
4252 }
4253
4254 /**
4255  * qla2x00_setup_chip() - Load and start RISC firmware.
4256  * @vha: HA context
4257  *
4258  * Returns 0 on success.
4259  */
4260 static int
4261 qla2x00_setup_chip(scsi_qla_host_t *vha)
4262 {
4263         int rval;
4264         uint32_t srisc_address = 0;
4265         struct qla_hw_data *ha = vha->hw;
4266         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4267         unsigned long flags;
4268         int done_once = 0;
4269
4270         if (IS_P3P_TYPE(ha)) {
4271                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
4272                 if (rval == QLA_SUCCESS) {
4273                         qla2x00_stop_firmware(vha);
4274                         goto enable_82xx_npiv;
4275                 } else
4276                         goto failed;
4277         }
4278
4279         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
4280                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
4281                 spin_lock_irqsave(&ha->hardware_lock, flags);
4282                 wrt_reg_word(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
4283                 rd_reg_word(&reg->hccr);
4284                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4285         }
4286
4287         qla81xx_mpi_sync(vha);
4288
4289 execute_fw_with_lr:
4290         /* Load firmware sequences */
4291         rval = ha->isp_ops->load_risc(vha, &srisc_address);
4292         if (rval == QLA_SUCCESS) {
4293                 ql_dbg(ql_dbg_init, vha, 0x00c9,
4294                     "Verifying Checksum of loaded RISC code.\n");
4295
4296                 rval = qla2x00_verify_checksum(vha, srisc_address);
4297                 if (rval == QLA_SUCCESS) {
4298                         /* Start firmware execution. */
4299                         ql_dbg(ql_dbg_init, vha, 0x00ca,
4300                             "Starting firmware.\n");
4301
4302                         if (ql2xexlogins)
4303                                 ha->flags.exlogins_enabled = 1;
4304
4305                         if (qla_is_exch_offld_enabled(vha))
4306                                 ha->flags.exchoffld_enabled = 1;
4307
4308                         rval = qla2x00_execute_fw(vha, srisc_address);
4309                         /* Retrieve firmware information. */
4310                         if (rval == QLA_SUCCESS) {
4311                                 /* Enable BPM support? */
4312                                 if (!done_once++ && qla24xx_detect_sfp(vha)) {
4313                                         ql_dbg(ql_dbg_init, vha, 0x00ca,
4314                                             "Re-starting firmware -- BPM.\n");
4315                                         /* Best-effort - re-init. */
4316                                         ha->isp_ops->reset_chip(vha);
4317                                         ha->isp_ops->chip_diag(vha);
4318                                         goto execute_fw_with_lr;
4319                                 }
4320
4321                                 if (IS_ZIO_THRESHOLD_CAPABLE(ha))
4322                                         qla27xx_set_zio_threshold(vha,
4323                                             ha->last_zio_threshold);
4324
4325                                 rval = qla2x00_set_exlogins_buffer(vha);
4326                                 if (rval != QLA_SUCCESS)
4327                                         goto failed;
4328
4329                                 rval = qla2x00_set_exchoffld_buffer(vha);
4330                                 if (rval != QLA_SUCCESS)
4331                                         goto failed;
4332
4333 enable_82xx_npiv:
4334                                 if (IS_P3P_TYPE(ha))
4335                                         qla82xx_check_md_needed(vha);
4336                                 else
4337                                         rval = qla2x00_get_fw_version(vha);
4338                                 if (rval != QLA_SUCCESS)
4339                                         goto failed;
4340                                 ha->flags.npiv_supported = 0;
4341                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
4342                                          (ha->fw_attributes & BIT_2)) {
4343                                         ha->flags.npiv_supported = 1;
4344                                         if ((!ha->max_npiv_vports) ||
4345                                             ((ha->max_npiv_vports + 1) %
4346                                             MIN_MULTI_ID_FABRIC))
4347                                                 ha->max_npiv_vports =
4348                                                     MIN_MULTI_ID_FABRIC - 1;
4349                                 }
4350                                 qla2x00_get_resource_cnts(vha);
4351                                 qla_init_iocb_limit(vha);
4352
4353                                 /*
4354                                  * Allocate the array of outstanding commands
4355                                  * now that we know the firmware resources.
4356                                  */
4357                                 rval = qla2x00_alloc_outstanding_cmds(ha,
4358                                     vha->req);
4359                                 if (rval != QLA_SUCCESS)
4360                                         goto failed;
4361
4362                                 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
4363                                         qla2x00_alloc_fw_dump(vha);
4364
4365                                 qla_enable_fce_trace(vha);
4366                                 qla_enable_eft_trace(vha);
4367                         } else {
4368                                 goto failed;
4369                         }
4370                 } else {
4371                         ql_log(ql_log_fatal, vha, 0x00cd,
4372                             "ISP Firmware failed checksum.\n");
4373                         goto failed;
4374                 }
4375
4376                 /* Enable PUREX PASSTHRU */
4377                 if (ql2xrdpenable || ha->flags.scm_supported_f ||
4378                     ha->flags.edif_enabled)
4379                         qla25xx_set_els_cmds_supported(vha);
4380         } else
4381                 goto failed;
4382
4383         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
4384                 /* Enable proper parity. */
4385                 spin_lock_irqsave(&ha->hardware_lock, flags);
4386                 if (IS_QLA2300(ha))
4387                         /* SRAM parity */
4388                         wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
4389                 else
4390                         /* SRAM, Instruction RAM and GP RAM parity */
4391                         wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
4392                 rd_reg_word(&reg->hccr);
4393                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4394         }
4395
4396         if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
4397                 ha->flags.fac_supported = 1;
4398         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
4399                 uint32_t size;
4400
4401                 rval = qla81xx_fac_get_sector_size(vha, &size);
4402                 if (rval == QLA_SUCCESS) {
4403                         ha->flags.fac_supported = 1;
4404                         ha->fdt_block_size = size << 2;
4405                 } else {
4406                         ql_log(ql_log_warn, vha, 0x00ce,
4407                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
4408                             ha->fw_major_version, ha->fw_minor_version,
4409                             ha->fw_subminor_version);
4410
4411                         if (IS_QLA83XX(ha)) {
4412                                 ha->flags.fac_supported = 0;
4413                                 rval = QLA_SUCCESS;
4414                         }
4415                 }
4416         }
4417 failed:
4418         if (rval) {
4419                 ql_log(ql_log_fatal, vha, 0x00cf,
4420                     "Setup chip ****FAILED****.\n");
4421         }
4422
4423         return (rval);
4424 }
4425
4426 /**
4427  * qla2x00_init_response_q_entries() - Initializes response queue entries.
4428  * @rsp: response queue
4429  *
4430  * Beginning of request ring has initialization control block already built
4431  * by nvram config routine.
4432  *
4433  * Returns 0 on success.
4434  */
4435 void
4436 qla2x00_init_response_q_entries(struct rsp_que *rsp)
4437 {
4438         uint16_t cnt;
4439         response_t *pkt;
4440
4441         rsp->ring_ptr = rsp->ring;
4442         rsp->ring_index    = 0;
4443         rsp->status_srb = NULL;
4444         pkt = rsp->ring_ptr;
4445         for (cnt = 0; cnt < rsp->length; cnt++) {
4446                 pkt->signature = RESPONSE_PROCESSED;
4447                 pkt++;
4448         }
4449 }
4450
4451 /**
4452  * qla2x00_update_fw_options() - Read and process firmware options.
4453  * @vha: HA context
4454  *
4455  * Returns 0 on success.
4456  */
4457 void
4458 qla2x00_update_fw_options(scsi_qla_host_t *vha)
4459 {
4460         uint16_t swing, emphasis, tx_sens, rx_sens;
4461         struct qla_hw_data *ha = vha->hw;
4462
4463         memset(ha->fw_options, 0, sizeof(ha->fw_options));
4464         qla2x00_get_fw_options(vha, ha->fw_options);
4465
4466         if (IS_QLA2100(ha) || IS_QLA2200(ha))
4467                 return;
4468
4469         /* Serial Link options. */
4470         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
4471             "Serial link options.\n");
4472         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
4473             ha->fw_seriallink_options, sizeof(ha->fw_seriallink_options));
4474
4475         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
4476         if (ha->fw_seriallink_options[3] & BIT_2) {
4477                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
4478
4479                 /*  1G settings */
4480                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
4481                 emphasis = (ha->fw_seriallink_options[2] &
4482                     (BIT_4 | BIT_3)) >> 3;
4483                 tx_sens = ha->fw_seriallink_options[0] &
4484                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4485                 rx_sens = (ha->fw_seriallink_options[0] &
4486                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
4487                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
4488                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
4489                         if (rx_sens == 0x0)
4490                                 rx_sens = 0x3;
4491                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
4492                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
4493                         ha->fw_options[10] |= BIT_5 |
4494                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
4495                             (tx_sens & (BIT_1 | BIT_0));
4496
4497                 /*  2G settings */
4498                 swing = (ha->fw_seriallink_options[2] &
4499                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
4500                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
4501                 tx_sens = ha->fw_seriallink_options[1] &
4502                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4503                 rx_sens = (ha->fw_seriallink_options[1] &
4504                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
4505                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
4506                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
4507                         if (rx_sens == 0x0)
4508                                 rx_sens = 0x3;
4509                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
4510                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
4511                         ha->fw_options[11] |= BIT_5 |
4512                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
4513                             (tx_sens & (BIT_1 | BIT_0));
4514         }
4515
4516         /* FCP2 options. */
4517         /*  Return command IOCBs without waiting for an ABTS to complete. */
4518         ha->fw_options[3] |= BIT_13;
4519
4520         /* LED scheme. */
4521         if (ha->flags.enable_led_scheme)
4522                 ha->fw_options[2] |= BIT_12;
4523
4524         /* Detect ISP6312. */
4525         if (IS_QLA6312(ha))
4526                 ha->fw_options[2] |= BIT_13;
4527
4528         /* Set Retry FLOGI in case of P2P connection */
4529         if (ha->operating_mode == P2P) {
4530                 ha->fw_options[2] |= BIT_3;
4531                 ql_dbg(ql_dbg_disc, vha, 0x2100,
4532                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
4533                         __func__, ha->fw_options[2]);
4534         }
4535
4536         /* Update firmware options. */
4537         qla2x00_set_fw_options(vha, ha->fw_options);
4538 }
4539
4540 void
4541 qla24xx_update_fw_options(scsi_qla_host_t *vha)
4542 {
4543         int rval;
4544         struct qla_hw_data *ha = vha->hw;
4545
4546         if (IS_P3P_TYPE(ha))
4547                 return;
4548
4549         /*  Hold status IOCBs until ABTS response received. */
4550         if (ql2xfwholdabts)
4551                 ha->fw_options[3] |= BIT_12;
4552
4553         /* Set Retry FLOGI in case of P2P connection */
4554         if (ha->operating_mode == P2P) {
4555                 ha->fw_options[2] |= BIT_3;
4556                 ql_dbg(ql_dbg_disc, vha, 0x2101,
4557                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
4558                         __func__, ha->fw_options[2]);
4559         }
4560
4561         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
4562         if (ql2xmvasynctoatio && !ha->flags.edif_enabled &&
4563             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
4564                 if (qla_tgt_mode_enabled(vha) ||
4565                     qla_dual_mode_enabled(vha))
4566                         ha->fw_options[2] |= BIT_11;
4567                 else
4568                         ha->fw_options[2] &= ~BIT_11;
4569         }
4570
4571         if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4572             IS_QLA28XX(ha)) {
4573                 /*
4574                  * Tell FW to track each exchange to prevent
4575                  * driver from using stale exchange.
4576                  */
4577                 if (qla_tgt_mode_enabled(vha) ||
4578                     qla_dual_mode_enabled(vha))
4579                         ha->fw_options[2] |= BIT_4;
4580                 else
4581                         ha->fw_options[2] &= ~(BIT_4);
4582
4583                 /* Reserve 1/2 of emergency exchanges for ELS.*/
4584                 if (qla2xuseresexchforels)
4585                         ha->fw_options[2] |= BIT_8;
4586                 else
4587                         ha->fw_options[2] &= ~BIT_8;
4588
4589                 /*
4590                  * N2N: set Secure=1 for PLOGI ACC and
4591                  * fw shal not send PRLI after PLOGI Acc
4592                  */
4593                 if (ha->flags.edif_enabled &&
4594                     DBELL_ACTIVE(vha)) {
4595                         ha->fw_options[3] |= BIT_15;
4596                         ha->flags.n2n_fw_acc_sec = 1;
4597                 } else {
4598                         ha->fw_options[3] &= ~BIT_15;
4599                         ha->flags.n2n_fw_acc_sec = 0;
4600                 }
4601         }
4602
4603         if (ql2xrdpenable || ha->flags.scm_supported_f ||
4604             ha->flags.edif_enabled)
4605                 ha->fw_options[1] |= ADD_FO1_ENABLE_PUREX_IOCB;
4606
4607         /* Enable Async 8130/8131 events -- transceiver insertion/removal */
4608         if (IS_BPM_RANGE_CAPABLE(ha))
4609                 ha->fw_options[3] |= BIT_10;
4610
4611         ql_dbg(ql_dbg_init, vha, 0x00e8,
4612             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
4613             __func__, ha->fw_options[1], ha->fw_options[2],
4614             ha->fw_options[3], vha->host->active_mode);
4615
4616         if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
4617                 qla2x00_set_fw_options(vha, ha->fw_options);
4618
4619         /* Update Serial Link options. */
4620         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
4621                 return;
4622
4623         rval = qla2x00_set_serdes_params(vha,
4624             le16_to_cpu(ha->fw_seriallink_options24[1]),
4625             le16_to_cpu(ha->fw_seriallink_options24[2]),
4626             le16_to_cpu(ha->fw_seriallink_options24[3]));
4627         if (rval != QLA_SUCCESS) {
4628                 ql_log(ql_log_warn, vha, 0x0104,
4629                     "Unable to update Serial Link options (%x).\n", rval);
4630         }
4631 }
4632
4633 void
4634 qla2x00_config_rings(struct scsi_qla_host *vha)
4635 {
4636         struct qla_hw_data *ha = vha->hw;
4637         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4638         struct req_que *req = ha->req_q_map[0];
4639         struct rsp_que *rsp = ha->rsp_q_map[0];
4640
4641         /* Setup ring parameters in initialization control block. */
4642         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
4643         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
4644         ha->init_cb->request_q_length = cpu_to_le16(req->length);
4645         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
4646         put_unaligned_le64(req->dma, &ha->init_cb->request_q_address);
4647         put_unaligned_le64(rsp->dma, &ha->init_cb->response_q_address);
4648
4649         wrt_reg_word(ISP_REQ_Q_IN(ha, reg), 0);
4650         wrt_reg_word(ISP_REQ_Q_OUT(ha, reg), 0);
4651         wrt_reg_word(ISP_RSP_Q_IN(ha, reg), 0);
4652         wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), 0);
4653         rd_reg_word(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
4654 }
4655
4656 void
4657 qla24xx_config_rings(struct scsi_qla_host *vha)
4658 {
4659         struct qla_hw_data *ha = vha->hw;
4660         device_reg_t *reg = ISP_QUE_REG(ha, 0);
4661         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
4662         struct qla_msix_entry *msix;
4663         struct init_cb_24xx *icb;
4664         uint16_t rid = 0;
4665         struct req_que *req = ha->req_q_map[0];
4666         struct rsp_que *rsp = ha->rsp_q_map[0];
4667
4668         /* Setup ring parameters in initialization control block. */
4669         icb = (struct init_cb_24xx *)ha->init_cb;
4670         icb->request_q_outpointer = cpu_to_le16(0);
4671         icb->response_q_inpointer = cpu_to_le16(0);
4672         icb->request_q_length = cpu_to_le16(req->length);
4673         icb->response_q_length = cpu_to_le16(rsp->length);
4674         put_unaligned_le64(req->dma, &icb->request_q_address);
4675         put_unaligned_le64(rsp->dma, &icb->response_q_address);
4676
4677         /* Setup ATIO queue dma pointers for target mode */
4678         icb->atio_q_inpointer = cpu_to_le16(0);
4679         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
4680         put_unaligned_le64(ha->tgt.atio_dma, &icb->atio_q_address);
4681
4682         if (IS_SHADOW_REG_CAPABLE(ha))
4683                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
4684
4685         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4686             IS_QLA28XX(ha)) {
4687                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
4688                 icb->rid = cpu_to_le16(rid);
4689                 if (ha->flags.msix_enabled) {
4690                         msix = &ha->msix_entries[1];
4691                         ql_dbg(ql_dbg_init, vha, 0x0019,
4692                             "Registering vector 0x%x for base que.\n",
4693                             msix->entry);
4694                         icb->msix = cpu_to_le16(msix->entry);
4695                 }
4696                 /* Use alternate PCI bus number */
4697                 if (MSB(rid))
4698                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
4699                 /* Use alternate PCI devfn */
4700                 if (LSB(rid))
4701                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
4702
4703                 /* Use Disable MSIX Handshake mode for capable adapters */
4704                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
4705                     (ha->flags.msix_enabled)) {
4706                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
4707                         ha->flags.disable_msix_handshake = 1;
4708                         ql_dbg(ql_dbg_init, vha, 0x00fe,
4709                             "MSIX Handshake Disable Mode turned on.\n");
4710                 } else {
4711                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
4712                 }
4713                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
4714
4715                 wrt_reg_dword(&reg->isp25mq.req_q_in, 0);
4716                 wrt_reg_dword(&reg->isp25mq.req_q_out, 0);
4717                 wrt_reg_dword(&reg->isp25mq.rsp_q_in, 0);
4718                 wrt_reg_dword(&reg->isp25mq.rsp_q_out, 0);
4719         } else {
4720                 wrt_reg_dword(&reg->isp24.req_q_in, 0);
4721                 wrt_reg_dword(&reg->isp24.req_q_out, 0);
4722                 wrt_reg_dword(&reg->isp24.rsp_q_in, 0);
4723                 wrt_reg_dword(&reg->isp24.rsp_q_out, 0);
4724         }
4725
4726         qlt_24xx_config_rings(vha);
4727
4728         /* If the user has configured the speed, set it here */
4729         if (ha->set_data_rate) {
4730                 ql_dbg(ql_dbg_init, vha, 0x00fd,
4731                     "Speed set by user : %s Gbps \n",
4732                     qla2x00_get_link_speed_str(ha, ha->set_data_rate));
4733                 icb->firmware_options_3 = cpu_to_le32(ha->set_data_rate << 13);
4734         }
4735
4736         /* PCI posting */
4737         rd_reg_word(&ioreg->hccr);
4738 }
4739
4740 /**
4741  * qla2x00_init_rings() - Initializes firmware.
4742  * @vha: HA context
4743  *
4744  * Beginning of request ring has initialization control block already built
4745  * by nvram config routine.
4746  *
4747  * Returns 0 on success.
4748  */
4749 int
4750 qla2x00_init_rings(scsi_qla_host_t *vha)
4751 {
4752         int     rval;
4753         unsigned long flags = 0;
4754         int cnt, que;
4755         struct qla_hw_data *ha = vha->hw;
4756         struct req_que *req;
4757         struct rsp_que *rsp;
4758         struct mid_init_cb_24xx *mid_init_cb =
4759             (struct mid_init_cb_24xx *) ha->init_cb;
4760
4761         spin_lock_irqsave(&ha->hardware_lock, flags);
4762
4763         /* Clear outstanding commands array. */
4764         for (que = 0; que < ha->max_req_queues; que++) {
4765                 req = ha->req_q_map[que];
4766                 if (!req || !test_bit(que, ha->req_qid_map))
4767                         continue;
4768                 req->out_ptr = (uint16_t *)(req->ring + req->length);
4769                 *req->out_ptr = 0;
4770                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
4771                         req->outstanding_cmds[cnt] = NULL;
4772
4773                 req->current_outstanding_cmd = 1;
4774
4775                 /* Initialize firmware. */
4776                 req->ring_ptr  = req->ring;
4777                 req->ring_index    = 0;
4778                 req->cnt      = req->length;
4779         }
4780
4781         for (que = 0; que < ha->max_rsp_queues; que++) {
4782                 rsp = ha->rsp_q_map[que];
4783                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
4784                         continue;
4785                 rsp->in_ptr = (uint16_t *)(rsp->ring + rsp->length);
4786                 *rsp->in_ptr = 0;
4787                 /* Initialize response queue entries */
4788                 if (IS_QLAFX00(ha))
4789                         qlafx00_init_response_q_entries(rsp);
4790                 else
4791                         qla2x00_init_response_q_entries(rsp);
4792         }
4793
4794         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
4795         ha->tgt.atio_ring_index = 0;
4796         /* Initialize ATIO queue entries */
4797         qlt_init_atio_q_entries(vha);
4798
4799         ha->isp_ops->config_rings(vha);
4800
4801         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4802
4803         if (IS_QLAFX00(ha)) {
4804                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
4805                 goto next_check;
4806         }
4807
4808         /* Update any ISP specific firmware options before initialization. */
4809         ha->isp_ops->update_fw_options(vha);
4810
4811         ql_dbg(ql_dbg_init, vha, 0x00d1,
4812                "Issue init firmware FW opt 1-3= %08x %08x %08x.\n",
4813                le32_to_cpu(mid_init_cb->init_cb.firmware_options_1),
4814                le32_to_cpu(mid_init_cb->init_cb.firmware_options_2),
4815                le32_to_cpu(mid_init_cb->init_cb.firmware_options_3));
4816
4817         if (ha->flags.npiv_supported) {
4818                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
4819                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
4820                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
4821         }
4822
4823         if (IS_FWI2_CAPABLE(ha)) {
4824                 mid_init_cb->options = cpu_to_le16(BIT_1);
4825                 mid_init_cb->init_cb.execution_throttle =
4826                     cpu_to_le16(ha->cur_fw_xcb_count);
4827                 ha->flags.dport_enabled =
4828                         (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4829                          BIT_7) != 0;
4830                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
4831                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
4832                 /* FA-WWPN Status */
4833                 ha->flags.fawwpn_enabled =
4834                         (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4835                          BIT_6) != 0;
4836                 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
4837                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
4838                 /* Init_cb will be reused for other command(s).  Save a backup copy of port_name */
4839                 memcpy(ha->port_name, ha->init_cb->port_name, WWN_SIZE);
4840         }
4841
4842         /* ELS pass through payload is limit by frame size. */
4843         if (ha->flags.edif_enabled)
4844                 mid_init_cb->init_cb.frame_payload_size = cpu_to_le16(ELS_MAX_PAYLOAD);
4845
4846         QLA_FW_STARTED(ha);
4847         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
4848 next_check:
4849         if (rval) {
4850                 QLA_FW_STOPPED(ha);
4851                 ql_log(ql_log_fatal, vha, 0x00d2,
4852                     "Init Firmware **** FAILED ****.\n");
4853         } else {
4854                 ql_dbg(ql_dbg_init, vha, 0x00d3,
4855                     "Init Firmware -- success.\n");
4856                 vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0;
4857         }
4858
4859         return (rval);
4860 }
4861
4862 /**
4863  * qla2x00_fw_ready() - Waits for firmware ready.
4864  * @vha: HA context
4865  *
4866  * Returns 0 on success.
4867  */
4868 static int
4869 qla2x00_fw_ready(scsi_qla_host_t *vha)
4870 {
4871         int             rval;
4872         unsigned long   wtime, mtime, cs84xx_time;
4873         uint16_t        min_wait;       /* Minimum wait time if loop is down */
4874         uint16_t        wait_time;      /* Wait time if loop is coming ready */
4875         uint16_t        state[6];
4876         struct qla_hw_data *ha = vha->hw;
4877
4878         if (IS_QLAFX00(vha->hw))
4879                 return qlafx00_fw_ready(vha);
4880
4881         /* Time to wait for loop down */
4882         if (IS_P3P_TYPE(ha))
4883                 min_wait = 30;
4884         else
4885                 min_wait = 20;
4886
4887         /*
4888          * Firmware should take at most one RATOV to login, plus 5 seconds for
4889          * our own processing.
4890          */
4891         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
4892                 wait_time = min_wait;
4893         }
4894
4895         /* Min wait time if loop down */
4896         mtime = jiffies + (min_wait * HZ);
4897
4898         /* wait time before firmware ready */
4899         wtime = jiffies + (wait_time * HZ);
4900
4901         /* Wait for ISP to finish LIP */
4902         if (!vha->flags.init_done)
4903                 ql_log(ql_log_info, vha, 0x801e,
4904                     "Waiting for LIP to complete.\n");
4905
4906         do {
4907                 memset(state, -1, sizeof(state));
4908                 rval = qla2x00_get_firmware_state(vha, state);
4909                 if (rval == QLA_SUCCESS) {
4910                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
4911                                 vha->device_flags &= ~DFLG_NO_CABLE;
4912                         }
4913                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
4914                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
4915                                     "fw_state=%x 84xx=%x.\n", state[0],
4916                                     state[2]);
4917                                 if ((state[2] & FSTATE_LOGGED_IN) &&
4918                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
4919                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
4920                                             "Sending verify iocb.\n");
4921
4922                                         cs84xx_time = jiffies;
4923                                         rval = qla84xx_init_chip(vha);
4924                                         if (rval != QLA_SUCCESS) {
4925                                                 ql_log(ql_log_warn,
4926                                                     vha, 0x8007,
4927                                                     "Init chip failed.\n");
4928                                                 break;
4929                                         }
4930
4931                                         /* Add time taken to initialize. */
4932                                         cs84xx_time = jiffies - cs84xx_time;
4933                                         wtime += cs84xx_time;
4934                                         mtime += cs84xx_time;
4935                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
4936                                             "Increasing wait time by %ld. "
4937                                             "New time %ld.\n", cs84xx_time,
4938                                             wtime);
4939                                 }
4940                         } else if (state[0] == FSTATE_READY) {
4941                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
4942                                     "F/W Ready - OK.\n");
4943
4944                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
4945                                     &ha->login_timeout, &ha->r_a_tov);
4946
4947                                 rval = QLA_SUCCESS;
4948                                 break;
4949                         }
4950
4951                         rval = QLA_FUNCTION_FAILED;
4952
4953                         if (atomic_read(&vha->loop_down_timer) &&
4954                             state[0] != FSTATE_READY) {
4955                                 /* Loop down. Timeout on min_wait for states
4956                                  * other than Wait for Login.
4957                                  */
4958                                 if (time_after_eq(jiffies, mtime)) {
4959                                         ql_log(ql_log_info, vha, 0x8038,
4960                                             "Cable is unplugged...\n");
4961
4962                                         vha->device_flags |= DFLG_NO_CABLE;
4963                                         break;
4964                                 }
4965                         }
4966                 } else {
4967                         /* Mailbox cmd failed. Timeout on min_wait. */
4968                         if (time_after_eq(jiffies, mtime) ||
4969                                 ha->flags.isp82xx_fw_hung)
4970                                 break;
4971                 }
4972
4973                 if (time_after_eq(jiffies, wtime))
4974                         break;
4975
4976                 /* Delay for a while */
4977                 msleep(500);
4978         } while (1);
4979
4980         ql_dbg(ql_dbg_taskm, vha, 0x803a,
4981             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
4982             state[1], state[2], state[3], state[4], state[5], jiffies);
4983
4984         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
4985                 ql_log(ql_log_warn, vha, 0x803b,
4986                     "Firmware ready **** FAILED ****.\n");
4987         }
4988
4989         return (rval);
4990 }
4991
4992 /*
4993 *  qla2x00_configure_hba
4994 *      Setup adapter context.
4995 *
4996 * Input:
4997 *      ha = adapter state pointer.
4998 *
4999 * Returns:
5000 *      0 = success
5001 *
5002 * Context:
5003 *      Kernel context.
5004 */
5005 static int
5006 qla2x00_configure_hba(scsi_qla_host_t *vha)
5007 {
5008         int       rval;
5009         uint16_t      loop_id;
5010         uint16_t      topo;
5011         uint16_t      sw_cap;
5012         uint8_t       al_pa;
5013         uint8_t       area;
5014         uint8_t       domain;
5015         char            connect_type[22];
5016         struct qla_hw_data *ha = vha->hw;
5017         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5018         port_id_t id;
5019         unsigned long flags;
5020
5021         /* Get host addresses. */
5022         rval = qla2x00_get_adapter_id(vha,
5023             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
5024         if (rval != QLA_SUCCESS) {
5025                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
5026                     IS_CNA_CAPABLE(ha) ||
5027                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
5028                         ql_dbg(ql_dbg_disc, vha, 0x2008,
5029                             "Loop is in a transition state.\n");
5030                 } else {
5031                         ql_log(ql_log_warn, vha, 0x2009,
5032                             "Unable to get host loop ID.\n");
5033                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
5034                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
5035                                 ql_log(ql_log_warn, vha, 0x1151,
5036                                     "Doing link init.\n");
5037                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
5038                                         return rval;
5039                         }
5040                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
5041                 }
5042                 return (rval);
5043         }
5044
5045         if (topo == 4) {
5046                 ql_log(ql_log_info, vha, 0x200a,
5047                     "Cannot get topology - retrying.\n");
5048                 return (QLA_FUNCTION_FAILED);
5049         }
5050
5051         vha->loop_id = loop_id;
5052
5053         /* initialize */
5054         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
5055         ha->operating_mode = LOOP;
5056
5057         switch (topo) {
5058         case 0:
5059                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
5060                 ha->switch_cap = 0;
5061                 ha->current_topology = ISP_CFG_NL;
5062                 strcpy(connect_type, "(Loop)");
5063                 break;
5064
5065         case 1:
5066                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
5067                 ha->switch_cap = sw_cap;
5068                 ha->current_topology = ISP_CFG_FL;
5069                 strcpy(connect_type, "(FL_Port)");
5070                 break;
5071
5072         case 2:
5073                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
5074                 ha->switch_cap = 0;
5075                 ha->operating_mode = P2P;
5076                 ha->current_topology = ISP_CFG_N;
5077                 strcpy(connect_type, "(N_Port-to-N_Port)");
5078                 break;
5079
5080         case 3:
5081                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
5082                 ha->switch_cap = sw_cap;
5083                 ha->operating_mode = P2P;
5084                 ha->current_topology = ISP_CFG_F;
5085                 strcpy(connect_type, "(F_Port)");
5086                 break;
5087
5088         default:
5089                 ql_dbg(ql_dbg_disc, vha, 0x200f,
5090                     "HBA in unknown topology %x, using NL.\n", topo);
5091                 ha->switch_cap = 0;
5092                 ha->current_topology = ISP_CFG_NL;
5093                 strcpy(connect_type, "(Loop)");
5094                 break;
5095         }
5096
5097         /* Save Host port and loop ID. */
5098         /* byte order - Big Endian */
5099         id.b.domain = domain;
5100         id.b.area = area;
5101         id.b.al_pa = al_pa;
5102         id.b.rsvd_1 = 0;
5103         spin_lock_irqsave(&ha->hardware_lock, flags);
5104         if (vha->hw->flags.edif_enabled) {
5105                 if (topo != 2)
5106                         qla_update_host_map(vha, id);
5107         } else if (!(topo == 2 && ha->flags.n2n_bigger))
5108                 qla_update_host_map(vha, id);
5109         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5110
5111         if (!vha->flags.init_done)
5112                 ql_log(ql_log_info, vha, 0x2010,
5113                     "Topology - %s, Host Loop address 0x%x.\n",
5114                     connect_type, vha->loop_id);
5115
5116         return(rval);
5117 }
5118
5119 inline void
5120 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
5121                        const char *def)
5122 {
5123         char *st, *en;
5124         uint16_t index;
5125         uint64_t zero[2] = { 0 };
5126         struct qla_hw_data *ha = vha->hw;
5127         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
5128             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
5129
5130         if (len > sizeof(zero))
5131                 len = sizeof(zero);
5132         if (memcmp(model, &zero, len) != 0) {
5133                 memcpy(ha->model_number, model, len);
5134                 st = en = ha->model_number;
5135                 en += len - 1;
5136                 while (en > st) {
5137                         if (*en != 0x20 && *en != 0x00)
5138                                 break;
5139                         *en-- = '\0';
5140                 }
5141
5142                 index = (ha->pdev->subsystem_device & 0xff);
5143                 if (use_tbl &&
5144                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
5145                     index < QLA_MODEL_NAMES)
5146                         strscpy(ha->model_desc,
5147                             qla2x00_model_name[index * 2 + 1],
5148                             sizeof(ha->model_desc));
5149         } else {
5150                 index = (ha->pdev->subsystem_device & 0xff);
5151                 if (use_tbl &&
5152                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
5153                     index < QLA_MODEL_NAMES) {
5154                         strscpy(ha->model_number,
5155                                 qla2x00_model_name[index * 2],
5156                                 sizeof(ha->model_number));
5157                         strscpy(ha->model_desc,
5158                             qla2x00_model_name[index * 2 + 1],
5159                             sizeof(ha->model_desc));
5160                 } else {
5161                         strscpy(ha->model_number, def,
5162                                 sizeof(ha->model_number));
5163                 }
5164         }
5165         if (IS_FWI2_CAPABLE(ha))
5166                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
5167                     sizeof(ha->model_desc));
5168 }
5169
5170 /* On sparc systems, obtain port and node WWN from firmware
5171  * properties.
5172  */
5173 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
5174 {
5175 #ifdef CONFIG_SPARC
5176         struct qla_hw_data *ha = vha->hw;
5177         struct pci_dev *pdev = ha->pdev;
5178         struct device_node *dp = pci_device_to_OF_node(pdev);
5179         const u8 *val;
5180         int len;
5181
5182         val = of_get_property(dp, "port-wwn", &len);
5183         if (val && len >= WWN_SIZE)
5184                 memcpy(nv->port_name, val, WWN_SIZE);
5185
5186         val = of_get_property(dp, "node-wwn", &len);
5187         if (val && len >= WWN_SIZE)
5188                 memcpy(nv->node_name, val, WWN_SIZE);
5189 #endif
5190 }
5191
5192 /*
5193 * NVRAM configuration for ISP 2xxx
5194 *
5195 * Input:
5196 *      ha                = adapter block pointer.
5197 *
5198 * Output:
5199 *      initialization control block in response_ring
5200 *      host adapters parameters in host adapter block
5201 *
5202 * Returns:
5203 *      0 = success.
5204 */
5205 int
5206 qla2x00_nvram_config(scsi_qla_host_t *vha)
5207 {
5208         int             rval;
5209         uint8_t         chksum = 0;
5210         uint16_t        cnt;
5211         uint8_t         *dptr1, *dptr2;
5212         struct qla_hw_data *ha = vha->hw;
5213         init_cb_t       *icb = ha->init_cb;
5214         nvram_t         *nv = ha->nvram;
5215         uint8_t         *ptr = ha->nvram;
5216         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5217
5218         rval = QLA_SUCCESS;
5219
5220         /* Determine NVRAM starting address. */
5221         ha->nvram_size = sizeof(*nv);
5222         ha->nvram_base = 0;
5223         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
5224                 if ((rd_reg_word(&reg->ctrl_status) >> 14) == 1)
5225                         ha->nvram_base = 0x80;
5226
5227         /* Get NVRAM data and calculate checksum. */
5228         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
5229         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
5230                 chksum += *ptr++;
5231
5232         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
5233             "Contents of NVRAM.\n");
5234         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
5235             nv, ha->nvram_size);
5236
5237         /* Bad NVRAM data, set defaults parameters. */
5238         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
5239             nv->nvram_version < 1) {
5240                 /* Reset NVRAM data. */
5241                 ql_log(ql_log_warn, vha, 0x0064,
5242                     "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n",
5243                     chksum, nv->id, nv->nvram_version);
5244                 ql_log(ql_log_warn, vha, 0x0065,
5245                     "Falling back to "
5246                     "functioning (yet invalid -- WWPN) defaults.\n");
5247
5248                 /*
5249                  * Set default initialization control block.
5250                  */
5251                 memset(nv, 0, ha->nvram_size);
5252                 nv->parameter_block_version = ICB_VERSION;
5253
5254                 if (IS_QLA23XX(ha)) {
5255                         nv->firmware_options[0] = BIT_2 | BIT_1;
5256                         nv->firmware_options[1] = BIT_7 | BIT_5;
5257                         nv->add_firmware_options[0] = BIT_5;
5258                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
5259                         nv->frame_payload_size = cpu_to_le16(2048);
5260                         nv->special_options[1] = BIT_7;
5261                 } else if (IS_QLA2200(ha)) {
5262                         nv->firmware_options[0] = BIT_2 | BIT_1;
5263                         nv->firmware_options[1] = BIT_7 | BIT_5;
5264                         nv->add_firmware_options[0] = BIT_5;
5265                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
5266                         nv->frame_payload_size = cpu_to_le16(1024);
5267                 } else if (IS_QLA2100(ha)) {
5268                         nv->firmware_options[0] = BIT_3 | BIT_1;
5269                         nv->firmware_options[1] = BIT_5;
5270                         nv->frame_payload_size = cpu_to_le16(1024);
5271                 }
5272
5273                 nv->max_iocb_allocation = cpu_to_le16(256);
5274                 nv->execution_throttle = cpu_to_le16(16);
5275                 nv->retry_count = 8;
5276                 nv->retry_delay = 1;
5277
5278                 nv->port_name[0] = 33;
5279                 nv->port_name[3] = 224;
5280                 nv->port_name[4] = 139;
5281
5282                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
5283
5284                 nv->login_timeout = 4;
5285
5286                 /*
5287                  * Set default host adapter parameters
5288                  */
5289                 nv->host_p[1] = BIT_2;
5290                 nv->reset_delay = 5;
5291                 nv->port_down_retry_count = 8;
5292                 nv->max_luns_per_target = cpu_to_le16(8);
5293                 nv->link_down_timeout = 60;
5294
5295                 rval = 1;
5296         }
5297
5298         /* Reset Initialization control block */
5299         memset(icb, 0, ha->init_cb_size);
5300
5301         /*
5302          * Setup driver NVRAM options.
5303          */
5304         nv->firmware_options[0] |= (BIT_6 | BIT_1);
5305         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
5306         nv->firmware_options[1] |= (BIT_5 | BIT_0);
5307         nv->firmware_options[1] &= ~BIT_4;
5308
5309         if (IS_QLA23XX(ha)) {
5310                 nv->firmware_options[0] |= BIT_2;
5311                 nv->firmware_options[0] &= ~BIT_3;
5312                 nv->special_options[0] &= ~BIT_6;
5313                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
5314
5315                 if (IS_QLA2300(ha)) {
5316                         if (ha->fb_rev == FPM_2310) {
5317                                 strcpy(ha->model_number, "QLA2310");
5318                         } else {
5319                                 strcpy(ha->model_number, "QLA2300");
5320                         }
5321                 } else {
5322                         qla2x00_set_model_info(vha, nv->model_number,
5323                             sizeof(nv->model_number), "QLA23xx");
5324                 }
5325         } else if (IS_QLA2200(ha)) {
5326                 nv->firmware_options[0] |= BIT_2;
5327                 /*
5328                  * 'Point-to-point preferred, else loop' is not a safe
5329                  * connection mode setting.
5330                  */
5331                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
5332                     (BIT_5 | BIT_4)) {
5333                         /* Force 'loop preferred, else point-to-point'. */
5334                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
5335                         nv->add_firmware_options[0] |= BIT_5;
5336                 }
5337                 strcpy(ha->model_number, "QLA22xx");
5338         } else /*if (IS_QLA2100(ha))*/ {
5339                 strcpy(ha->model_number, "QLA2100");
5340         }
5341
5342         /*
5343          * Copy over NVRAM RISC parameter block to initialization control block.
5344          */
5345         dptr1 = (uint8_t *)icb;
5346         dptr2 = (uint8_t *)&nv->parameter_block_version;
5347         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
5348         while (cnt--)
5349                 *dptr1++ = *dptr2++;
5350
5351         /* Copy 2nd half. */
5352         dptr1 = (uint8_t *)icb->add_firmware_options;
5353         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
5354         while (cnt--)
5355                 *dptr1++ = *dptr2++;
5356         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
5357         /* Use alternate WWN? */
5358         if (nv->host_p[1] & BIT_7) {
5359                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5360                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5361         }
5362
5363         /* Prepare nodename */
5364         if ((icb->firmware_options[1] & BIT_6) == 0) {
5365                 /*
5366                  * Firmware will apply the following mask if the nodename was
5367                  * not provided.
5368                  */
5369                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5370                 icb->node_name[0] &= 0xF0;
5371         }
5372
5373         /*
5374          * Set host adapter parameters.
5375          */
5376
5377         /*
5378          * BIT_7 in the host-parameters section allows for modification to
5379          * internal driver logging.
5380          */
5381         if (nv->host_p[0] & BIT_7)
5382                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
5383         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
5384         /* Always load RISC code on non ISP2[12]00 chips. */
5385         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
5386                 ha->flags.disable_risc_code_load = 0;
5387         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
5388         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
5389         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
5390         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
5391         ha->flags.disable_serdes = 0;
5392
5393         ha->operating_mode =
5394             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
5395
5396         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
5397             sizeof(ha->fw_seriallink_options));
5398
5399         /* save HBA serial number */
5400         ha->serial0 = icb->port_name[5];
5401         ha->serial1 = icb->port_name[6];
5402         ha->serial2 = icb->port_name[7];
5403         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5404         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5405
5406         icb->execution_throttle = cpu_to_le16(0xFFFF);
5407
5408         ha->retry_count = nv->retry_count;
5409
5410         /* Set minimum login_timeout to 4 seconds. */
5411         if (nv->login_timeout != ql2xlogintimeout)
5412                 nv->login_timeout = ql2xlogintimeout;
5413         if (nv->login_timeout < 4)
5414                 nv->login_timeout = 4;
5415         ha->login_timeout = nv->login_timeout;
5416
5417         /* Set minimum RATOV to 100 tenths of a second. */
5418         ha->r_a_tov = 100;
5419
5420         ha->loop_reset_delay = nv->reset_delay;
5421
5422         /* Link Down Timeout = 0:
5423          *
5424          *      When Port Down timer expires we will start returning
5425          *      I/O's to OS with "DID_NO_CONNECT".
5426          *
5427          * Link Down Timeout != 0:
5428          *
5429          *       The driver waits for the link to come up after link down
5430          *       before returning I/Os to OS with "DID_NO_CONNECT".
5431          */
5432         if (nv->link_down_timeout == 0) {
5433                 ha->loop_down_abort_time =
5434                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5435         } else {
5436                 ha->link_down_timeout =  nv->link_down_timeout;
5437                 ha->loop_down_abort_time =
5438                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5439         }
5440
5441         /*
5442          * Need enough time to try and get the port back.
5443          */
5444         ha->port_down_retry_count = nv->port_down_retry_count;
5445         if (qlport_down_retry)
5446                 ha->port_down_retry_count = qlport_down_retry;
5447         /* Set login_retry_count */
5448         ha->login_retry_count  = nv->retry_count;
5449         if (ha->port_down_retry_count == nv->port_down_retry_count &&
5450             ha->port_down_retry_count > 3)
5451                 ha->login_retry_count = ha->port_down_retry_count;
5452         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5453                 ha->login_retry_count = ha->port_down_retry_count;
5454         if (ql2xloginretrycount)
5455                 ha->login_retry_count = ql2xloginretrycount;
5456
5457         icb->lun_enables = cpu_to_le16(0);
5458         icb->command_resource_count = 0;
5459         icb->immediate_notify_resource_count = 0;
5460         icb->timeout = cpu_to_le16(0);
5461
5462         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
5463                 /* Enable RIO */
5464                 icb->firmware_options[0] &= ~BIT_3;
5465                 icb->add_firmware_options[0] &=
5466                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
5467                 icb->add_firmware_options[0] |= BIT_2;
5468                 icb->response_accumulation_timer = 3;
5469                 icb->interrupt_delay_timer = 5;
5470
5471                 vha->flags.process_response_queue = 1;
5472         } else {
5473                 /* Enable ZIO. */
5474                 if (!vha->flags.init_done) {
5475                         ha->zio_mode = icb->add_firmware_options[0] &
5476                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5477                         ha->zio_timer = icb->interrupt_delay_timer ?
5478                             icb->interrupt_delay_timer : 2;
5479                 }
5480                 icb->add_firmware_options[0] &=
5481                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
5482                 vha->flags.process_response_queue = 0;
5483                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5484                         ha->zio_mode = QLA_ZIO_MODE_6;
5485
5486                         ql_log(ql_log_info, vha, 0x0068,
5487                             "ZIO mode %d enabled; timer delay (%d us).\n",
5488                             ha->zio_mode, ha->zio_timer * 100);
5489
5490                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
5491                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
5492                         vha->flags.process_response_queue = 1;
5493                 }
5494         }
5495
5496         if (rval) {
5497                 ql_log(ql_log_warn, vha, 0x0069,
5498                     "NVRAM configuration failed.\n");
5499         }
5500         return (rval);
5501 }
5502
5503 void qla2x00_set_fcport_state(fc_port_t *fcport, int state)
5504 {
5505         int old_state;
5506
5507         old_state = atomic_read(&fcport->state);
5508         atomic_set(&fcport->state, state);
5509
5510         /* Don't print state transitions during initial allocation of fcport */
5511         if (old_state && old_state != state) {
5512                 ql_dbg(ql_dbg_disc, fcport->vha, 0x207d,
5513                        "FCPort %8phC state transitioned from %s to %s - portid=%02x%02x%02x.\n",
5514                        fcport->port_name, port_state_str[old_state],
5515                        port_state_str[state], fcport->d_id.b.domain,
5516                        fcport->d_id.b.area, fcport->d_id.b.al_pa);
5517         }
5518 }
5519
5520 /**
5521  * qla2x00_alloc_fcport() - Allocate a generic fcport.
5522  * @vha: HA context
5523  * @flags: allocation flags
5524  *
5525  * Returns a pointer to the allocated fcport, or NULL, if none available.
5526  */
5527 fc_port_t *
5528 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
5529 {
5530         fc_port_t *fcport;
5531
5532         fcport = kzalloc(sizeof(fc_port_t), flags);
5533         if (!fcport)
5534                 return NULL;
5535
5536         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
5537                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
5538                 flags);
5539         if (!fcport->ct_desc.ct_sns) {
5540                 ql_log(ql_log_warn, vha, 0xd049,
5541                     "Failed to allocate ct_sns request.\n");
5542                 kfree(fcport);
5543                 return NULL;
5544         }
5545
5546         /* Setup fcport template structure. */
5547         fcport->vha = vha;
5548         fcport->port_type = FCT_UNKNOWN;
5549         fcport->loop_id = FC_NO_LOOP_ID;
5550         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
5551         fcport->supported_classes = FC_COS_UNSPECIFIED;
5552         fcport->fp_speed = PORT_SPEED_UNKNOWN;
5553
5554         fcport->disc_state = DSC_DELETED;
5555         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
5556         fcport->deleted = QLA_SESS_DELETED;
5557         fcport->login_retry = vha->hw->login_retry_count;
5558         fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5559         fcport->logout_on_delete = 1;
5560         fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
5561         fcport->tgt_short_link_down_cnt = 0;
5562         fcport->dev_loss_tmo = 0;
5563
5564         if (!fcport->ct_desc.ct_sns) {
5565                 ql_log(ql_log_warn, vha, 0xd049,
5566                     "Failed to allocate ct_sns request.\n");
5567                 kfree(fcport);
5568                 return NULL;
5569         }
5570
5571         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
5572         INIT_WORK(&fcport->free_work, qlt_free_session_done);
5573         INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
5574         INIT_LIST_HEAD(&fcport->gnl_entry);
5575         INIT_LIST_HEAD(&fcport->list);
5576         INIT_LIST_HEAD(&fcport->unsol_ctx_head);
5577
5578         INIT_LIST_HEAD(&fcport->sess_cmd_list);
5579         spin_lock_init(&fcport->sess_cmd_lock);
5580
5581         spin_lock_init(&fcport->edif.sa_list_lock);
5582         INIT_LIST_HEAD(&fcport->edif.tx_sa_list);
5583         INIT_LIST_HEAD(&fcport->edif.rx_sa_list);
5584
5585         spin_lock_init(&fcport->edif.indx_list_lock);
5586         INIT_LIST_HEAD(&fcport->edif.edif_indx_list);
5587
5588         return fcport;
5589 }
5590
5591 void
5592 qla2x00_free_fcport(fc_port_t *fcport)
5593 {
5594         if (fcport->ct_desc.ct_sns) {
5595                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
5596                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
5597                         fcport->ct_desc.ct_sns_dma);
5598
5599                 fcport->ct_desc.ct_sns = NULL;
5600         }
5601
5602         qla_edif_flush_sa_ctl_lists(fcport);
5603         list_del(&fcport->list);
5604         qla2x00_clear_loop_id(fcport);
5605
5606         qla_edif_list_del(fcport);
5607
5608         kfree(fcport);
5609 }
5610
5611 static void qla_get_login_template(scsi_qla_host_t *vha)
5612 {
5613         struct qla_hw_data *ha = vha->hw;
5614         int rval;
5615         u32 *bp, sz;
5616         __be32 *q;
5617
5618         memset(ha->init_cb, 0, ha->init_cb_size);
5619         sz = min_t(int, sizeof(struct fc_els_flogi), ha->init_cb_size);
5620         rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
5621                                             ha->init_cb, sz);
5622         if (rval != QLA_SUCCESS) {
5623                 ql_dbg(ql_dbg_init, vha, 0x00d1,
5624                        "PLOGI ELS param read fail.\n");
5625                 return;
5626         }
5627         q = (__be32 *)&ha->plogi_els_payld.fl_csp;
5628
5629         bp = (uint32_t *)ha->init_cb;
5630         cpu_to_be32_array(q, bp, sz / 4);
5631         ha->flags.plogi_template_valid = 1;
5632 }
5633
5634 /*
5635  * qla2x00_configure_loop
5636  *      Updates Fibre Channel Device Database with what is actually on loop.
5637  *
5638  * Input:
5639  *      ha                = adapter block pointer.
5640  *
5641  * Returns:
5642  *      0 = success.
5643  *      1 = error.
5644  *      2 = database was full and device was not configured.
5645  */
5646 static int
5647 qla2x00_configure_loop(scsi_qla_host_t *vha)
5648 {
5649         int  rval;
5650         unsigned long flags, save_flags;
5651         struct qla_hw_data *ha = vha->hw;
5652
5653         rval = QLA_SUCCESS;
5654
5655         /* Get Initiator ID */
5656         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
5657                 rval = qla2x00_configure_hba(vha);
5658                 if (rval != QLA_SUCCESS) {
5659                         ql_dbg(ql_dbg_disc, vha, 0x2013,
5660                             "Unable to configure HBA.\n");
5661                         return (rval);
5662                 }
5663         }
5664
5665         save_flags = flags = vha->dpc_flags;
5666         ql_dbg(ql_dbg_disc, vha, 0x2014,
5667             "Configure loop -- dpc flags = 0x%lx.\n", flags);
5668
5669         /*
5670          * If we have both an RSCN and PORT UPDATE pending then handle them
5671          * both at the same time.
5672          */
5673         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5674         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
5675
5676         qla2x00_get_data_rate(vha);
5677         qla_get_login_template(vha);
5678
5679         /* Determine what we need to do */
5680         if ((ha->current_topology == ISP_CFG_FL ||
5681             ha->current_topology == ISP_CFG_F) &&
5682             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
5683
5684                 set_bit(RSCN_UPDATE, &flags);
5685                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
5686
5687         } else if (ha->current_topology == ISP_CFG_NL ||
5688                    ha->current_topology == ISP_CFG_N) {
5689                 clear_bit(RSCN_UPDATE, &flags);
5690                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5691         } else if (!vha->flags.online ||
5692             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
5693                 set_bit(RSCN_UPDATE, &flags);
5694                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5695         }
5696
5697         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
5698                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5699                         ql_dbg(ql_dbg_disc, vha, 0x2015,
5700                             "Loop resync needed, failing.\n");
5701                         rval = QLA_FUNCTION_FAILED;
5702                 } else
5703                         rval = qla2x00_configure_local_loop(vha);
5704         }
5705
5706         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
5707                 if (LOOP_TRANSITION(vha)) {
5708                         ql_dbg(ql_dbg_disc, vha, 0x2099,
5709                             "Needs RSCN update and loop transition.\n");
5710                         rval = QLA_FUNCTION_FAILED;
5711                 }
5712                 else
5713                         rval = qla2x00_configure_fabric(vha);
5714         }
5715
5716         if (rval == QLA_SUCCESS) {
5717                 if (atomic_read(&vha->loop_down_timer) ||
5718                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5719                         rval = QLA_FUNCTION_FAILED;
5720                 } else {
5721                         atomic_set(&vha->loop_state, LOOP_READY);
5722                         ql_dbg(ql_dbg_disc, vha, 0x2069,
5723                             "LOOP READY.\n");
5724                         ha->flags.fw_init_done = 1;
5725
5726                         /*
5727                          * use link up to wake up app to get ready for
5728                          * authentication.
5729                          */
5730                         if (ha->flags.edif_enabled && DBELL_INACTIVE(vha))
5731                                 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP,
5732                                                       ha->link_data_rate);
5733
5734                         /*
5735                          * Process any ATIO queue entries that came in
5736                          * while we weren't online.
5737                          */
5738                         if (qla_tgt_mode_enabled(vha) ||
5739                             qla_dual_mode_enabled(vha)) {
5740                                 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
5741                                 qlt_24xx_process_atio_queue(vha, 0);
5742                                 spin_unlock_irqrestore(&ha->tgt.atio_lock,
5743                                     flags);
5744                         }
5745                 }
5746         }
5747
5748         if (rval) {
5749                 ql_dbg(ql_dbg_disc, vha, 0x206a,
5750                     "%s *** FAILED ***.\n", __func__);
5751         } else {
5752                 ql_dbg(ql_dbg_disc, vha, 0x206b,
5753                     "%s: exiting normally. local port wwpn %8phN id %06x)\n",
5754                     __func__, vha->port_name, vha->d_id.b24);
5755         }
5756
5757         /* Restore state if a resync event occurred during processing */
5758         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5759                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
5760                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5761                 if (test_bit(RSCN_UPDATE, &save_flags)) {
5762                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
5763                 }
5764         }
5765
5766         return (rval);
5767 }
5768
5769 static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha)
5770 {
5771         unsigned long flags;
5772         fc_port_t *fcport;
5773
5774         ql_dbg(ql_dbg_disc, vha, 0x206a, "%s %d.\n", __func__, __LINE__);
5775
5776         if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags))
5777                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5778
5779         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5780                 if (fcport->n2n_flag) {
5781                         qla24xx_fcport_handle_login(vha, fcport);
5782                         return QLA_SUCCESS;
5783                 }
5784         }
5785
5786         spin_lock_irqsave(&vha->work_lock, flags);
5787         vha->scan.scan_retry++;
5788         spin_unlock_irqrestore(&vha->work_lock, flags);
5789
5790         if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5791                 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5792                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5793         }
5794         return QLA_FUNCTION_FAILED;
5795 }
5796
5797 static void
5798 qla_reinitialize_link(scsi_qla_host_t *vha)
5799 {
5800         int rval;
5801
5802         atomic_set(&vha->loop_state, LOOP_DOWN);
5803         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
5804         rval = qla2x00_full_login_lip(vha);
5805         if (rval == QLA_SUCCESS) {
5806                 ql_dbg(ql_dbg_disc, vha, 0xd050, "Link reinitialized\n");
5807         } else {
5808                 ql_dbg(ql_dbg_disc, vha, 0xd051,
5809                         "Link reinitialization failed (%d)\n", rval);
5810         }
5811 }
5812
5813 /*
5814  * qla2x00_configure_local_loop
5815  *      Updates Fibre Channel Device Database with local loop devices.
5816  *
5817  * Input:
5818  *      ha = adapter block pointer.
5819  *
5820  * Returns:
5821  *      0 = success.
5822  */
5823 static int
5824 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
5825 {
5826         int             rval, rval2;
5827         int             found;
5828         fc_port_t       *fcport, *new_fcport;
5829         uint16_t        index;
5830         uint16_t        entries;
5831         struct gid_list_info *gid;
5832         uint16_t        loop_id;
5833         uint8_t         domain, area, al_pa;
5834         struct qla_hw_data *ha = vha->hw;
5835         unsigned long flags;
5836
5837         /* Inititae N2N login. */
5838         if (N2N_TOPO(ha))
5839                 return qla2x00_configure_n2n_loop(vha);
5840
5841         new_fcport = NULL;
5842         entries = MAX_FIBRE_DEVICES_LOOP;
5843
5844         /* Get list of logged in devices. */
5845         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
5846         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
5847             &entries);
5848         if (rval != QLA_SUCCESS)
5849                 goto err;
5850
5851         ql_dbg(ql_dbg_disc, vha, 0x2011,
5852             "Entries in ID list (%d).\n", entries);
5853         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
5854             ha->gid_list, entries * sizeof(*ha->gid_list));
5855
5856         if (entries == 0) {
5857                 spin_lock_irqsave(&vha->work_lock, flags);
5858                 vha->scan.scan_retry++;
5859                 spin_unlock_irqrestore(&vha->work_lock, flags);
5860
5861                 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5862                         u8 loop_map_entries = 0;
5863                         int rc;
5864
5865                         rc = qla2x00_get_fcal_position_map(vha, NULL,
5866                                                 &loop_map_entries);
5867                         if (rc == QLA_SUCCESS && loop_map_entries > 1) {
5868                                 /*
5869                                  * There are devices that are still not logged
5870                                  * in. Reinitialize to give them a chance.
5871                                  */
5872                                 qla_reinitialize_link(vha);
5873                                 return QLA_FUNCTION_FAILED;
5874                         }
5875                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5876                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5877                 }
5878         } else {
5879                 vha->scan.scan_retry = 0;
5880         }
5881
5882         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5883                 fcport->scan_state = QLA_FCPORT_SCAN;
5884         }
5885
5886         /* Allocate temporary fcport for any new fcports discovered. */
5887         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5888         if (new_fcport == NULL) {
5889                 ql_log(ql_log_warn, vha, 0x2012,
5890                     "Memory allocation failed for fcport.\n");
5891                 rval = QLA_MEMORY_ALLOC_FAILED;
5892                 goto err;
5893         }
5894         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5895
5896         /* Add devices to port list. */
5897         gid = ha->gid_list;
5898         for (index = 0; index < entries; index++) {
5899                 domain = gid->domain;
5900                 area = gid->area;
5901                 al_pa = gid->al_pa;
5902                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
5903                         loop_id = gid->loop_id_2100;
5904                 else
5905                         loop_id = le16_to_cpu(gid->loop_id);
5906                 gid = (void *)gid + ha->gid_list_info_size;
5907
5908                 /* Bypass reserved domain fields. */
5909                 if ((domain & 0xf0) == 0xf0)
5910                         continue;
5911
5912                 /* Bypass if not same domain and area of adapter. */
5913                 if (area && domain && ((area != vha->d_id.b.area) ||
5914                     (domain != vha->d_id.b.domain)) &&
5915                     (ha->current_topology == ISP_CFG_NL))
5916                         continue;
5917
5918
5919                 /* Bypass invalid local loop ID. */
5920                 if (loop_id > LAST_LOCAL_LOOP_ID)
5921                         continue;
5922
5923                 memset(new_fcport->port_name, 0, WWN_SIZE);
5924
5925                 /* Fill in member data. */
5926                 new_fcport->d_id.b.domain = domain;
5927                 new_fcport->d_id.b.area = area;
5928                 new_fcport->d_id.b.al_pa = al_pa;
5929                 new_fcport->loop_id = loop_id;
5930                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5931
5932                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5933                 if (rval2 != QLA_SUCCESS) {
5934                         ql_dbg(ql_dbg_disc, vha, 0x2097,
5935                             "Failed to retrieve fcport information "
5936                             "-- get_port_database=%x, loop_id=0x%04x.\n",
5937                             rval2, new_fcport->loop_id);
5938                         /* Skip retry if N2N */
5939                         if (ha->current_topology != ISP_CFG_N) {
5940                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
5941                                     "Scheduling resync.\n");
5942                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5943                                 continue;
5944                         }
5945                 }
5946
5947                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5948                 /* Check for matching device in port list. */
5949                 found = 0;
5950                 fcport = NULL;
5951                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5952                         if (memcmp(new_fcport->port_name, fcport->port_name,
5953                             WWN_SIZE))
5954                                 continue;
5955
5956                         fcport->flags &= ~FCF_FABRIC_DEVICE;
5957                         fcport->loop_id = new_fcport->loop_id;
5958                         fcport->port_type = new_fcport->port_type;
5959                         fcport->d_id.b24 = new_fcport->d_id.b24;
5960                         memcpy(fcport->node_name, new_fcport->node_name,
5961                             WWN_SIZE);
5962                         fcport->scan_state = QLA_FCPORT_FOUND;
5963                         if (fcport->login_retry == 0) {
5964                                 fcport->login_retry = vha->hw->login_retry_count;
5965                                 ql_dbg(ql_dbg_disc, vha, 0x2135,
5966                                     "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n",
5967                                     fcport->port_name, fcport->loop_id,
5968                                     fcport->login_retry);
5969                         }
5970                         found++;
5971                         break;
5972                 }
5973
5974                 if (!found) {
5975                         /* New device, add to fcports list. */
5976                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
5977
5978                         /* Allocate a new replacement fcport. */
5979                         fcport = new_fcport;
5980
5981                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5982
5983                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5984
5985                         if (new_fcport == NULL) {
5986                                 ql_log(ql_log_warn, vha, 0xd031,
5987                                     "Failed to allocate memory for fcport.\n");
5988                                 rval = QLA_MEMORY_ALLOC_FAILED;
5989                                 goto err;
5990                         }
5991                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5992                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5993                 }
5994
5995                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5996
5997                 /* Base iIDMA settings on HBA port speed. */
5998                 fcport->fp_speed = ha->link_data_rate;
5999         }
6000
6001         list_for_each_entry(fcport, &vha->vp_fcports, list) {
6002                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6003                         break;
6004
6005                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
6006                         if ((qla_dual_mode_enabled(vha) ||
6007                             qla_ini_mode_enabled(vha)) &&
6008                             atomic_read(&fcport->state) == FCS_ONLINE) {
6009                                 qla2x00_mark_device_lost(vha, fcport,
6010                                         ql2xplogiabsentdevice);
6011                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
6012                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
6013                                     fcport->port_type != FCT_INITIATOR &&
6014                                     fcport->port_type != FCT_BROADCAST) {
6015                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
6016                                             "%s %d %8phC post del sess\n",
6017                                             __func__, __LINE__,
6018                                             fcport->port_name);
6019
6020                                         qlt_schedule_sess_for_deletion(fcport);
6021                                         continue;
6022                                 }
6023                         }
6024                 }
6025
6026                 if (fcport->scan_state == QLA_FCPORT_FOUND)
6027                         qla24xx_fcport_handle_login(vha, fcport);
6028         }
6029
6030         qla2x00_free_fcport(new_fcport);
6031
6032         return rval;
6033
6034 err:
6035         ql_dbg(ql_dbg_disc, vha, 0x2098,
6036                "Configure local loop error exit: rval=%x.\n", rval);
6037         return rval;
6038 }
6039
6040 static void
6041 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
6042 {
6043         int rval;
6044         uint16_t mb[MAILBOX_REGISTER_COUNT];
6045         struct qla_hw_data *ha = vha->hw;
6046
6047         if (!IS_IIDMA_CAPABLE(ha))
6048                 return;
6049
6050         if (atomic_read(&fcport->state) != FCS_ONLINE)
6051                 return;
6052
6053         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
6054             fcport->fp_speed > ha->link_data_rate ||
6055             !ha->flags.gpsc_supported)
6056                 return;
6057
6058         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
6059             mb);
6060         if (rval != QLA_SUCCESS) {
6061                 ql_dbg(ql_dbg_disc, vha, 0x2004,
6062                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
6063                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
6064         } else {
6065                 ql_dbg(ql_dbg_disc, vha, 0x2005,
6066                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
6067                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
6068                     fcport->fp_speed, fcport->port_name);
6069         }
6070 }
6071
6072 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
6073 {
6074         qla2x00_iidma_fcport(vha, fcport);
6075         qla24xx_update_fcport_fcp_prio(vha, fcport);
6076 }
6077
6078 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
6079 {
6080         struct qla_work_evt *e;
6081
6082         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
6083         if (!e)
6084                 return QLA_FUNCTION_FAILED;
6085
6086         e->u.fcport.fcport = fcport;
6087         return qla2x00_post_work(vha, e);
6088 }
6089
6090 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
6091 static void
6092 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
6093 {
6094         struct fc_rport_identifiers rport_ids;
6095         struct fc_rport *rport;
6096         unsigned long flags;
6097
6098         if (atomic_read(&fcport->state) == FCS_ONLINE)
6099                 return;
6100
6101         rport_ids.node_name = wwn_to_u64(fcport->node_name);
6102         rport_ids.port_name = wwn_to_u64(fcport->port_name);
6103         rport_ids.port_id = fcport->d_id.b.domain << 16 |
6104             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
6105         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
6106         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
6107         if (!rport) {
6108                 ql_log(ql_log_warn, vha, 0x2006,
6109                     "Unable to allocate fc remote port.\n");
6110                 return;
6111         }
6112
6113         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
6114         *((fc_port_t **)rport->dd_data) = fcport;
6115         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
6116         fcport->dev_loss_tmo = rport->dev_loss_tmo;
6117
6118         rport->supported_classes = fcport->supported_classes;
6119
6120         rport_ids.roles = FC_PORT_ROLE_UNKNOWN;
6121         if (fcport->port_type == FCT_INITIATOR)
6122                 rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR;
6123         if (fcport->port_type == FCT_TARGET)
6124                 rport_ids.roles |= FC_PORT_ROLE_FCP_TARGET;
6125         if (fcport->port_type & FCT_NVME_INITIATOR)
6126                 rport_ids.roles |= FC_PORT_ROLE_NVME_INITIATOR;
6127         if (fcport->port_type & FCT_NVME_TARGET)
6128                 rport_ids.roles |= FC_PORT_ROLE_NVME_TARGET;
6129         if (fcport->port_type & FCT_NVME_DISCOVERY)
6130                 rport_ids.roles |= FC_PORT_ROLE_NVME_DISCOVERY;
6131
6132         fc_remote_port_rolechg(rport, rport_ids.roles);
6133
6134         ql_dbg(ql_dbg_disc, vha, 0x20ee,
6135             "%s: %8phN. rport %ld:0:%d (%p) is %s mode\n",
6136             __func__, fcport->port_name, vha->host_no,
6137             rport->scsi_target_id, rport,
6138             (fcport->port_type == FCT_TARGET) ? "tgt" :
6139             ((fcport->port_type & FCT_NVME) ? "nvme" : "ini"));
6140 }
6141
6142 /*
6143  * qla2x00_update_fcport
6144  *      Updates device on list.
6145  *
6146  * Input:
6147  *      ha = adapter block pointer.
6148  *      fcport = port structure pointer.
6149  *
6150  * Return:
6151  *      0  - Success
6152  *  BIT_0 - error
6153  *
6154  * Context:
6155  *      Kernel context.
6156  */
6157 void
6158 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
6159 {
6160         unsigned long flags;
6161
6162         if (IS_SW_RESV_ADDR(fcport->d_id))
6163                 return;
6164
6165         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
6166             __func__, fcport->port_name);
6167
6168         qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
6169         fcport->login_retry = vha->hw->login_retry_count;
6170         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6171
6172         spin_lock_irqsave(&vha->work_lock, flags);
6173         fcport->deleted = 0;
6174         spin_unlock_irqrestore(&vha->work_lock, flags);
6175
6176         if (vha->hw->current_topology == ISP_CFG_NL)
6177                 fcport->logout_on_delete = 0;
6178         else
6179                 fcport->logout_on_delete = 1;
6180         fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
6181
6182         if (fcport->tgt_link_down_time < fcport->dev_loss_tmo) {
6183                 fcport->tgt_short_link_down_cnt++;
6184                 fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
6185         }
6186
6187         switch (vha->hw->current_topology) {
6188         case ISP_CFG_N:
6189         case ISP_CFG_NL:
6190                 fcport->keep_nport_handle = 1;
6191                 break;
6192         default:
6193                 break;
6194         }
6195
6196         qla2x00_iidma_fcport(vha, fcport);
6197
6198         qla2x00_dfs_create_rport(vha, fcport);
6199
6200         qla24xx_update_fcport_fcp_prio(vha, fcport);
6201
6202         switch (vha->host->active_mode) {
6203         case MODE_INITIATOR:
6204                 qla2x00_reg_remote_port(vha, fcport);
6205                 break;
6206         case MODE_TARGET:
6207                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
6208                         !vha->vha_tgt.qla_tgt->tgt_stopped)
6209                         qlt_fc_port_added(vha, fcport);
6210                 break;
6211         case MODE_DUAL:
6212                 qla2x00_reg_remote_port(vha, fcport);
6213                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
6214                         !vha->vha_tgt.qla_tgt->tgt_stopped)
6215                         qlt_fc_port_added(vha, fcport);
6216                 break;
6217         default:
6218                 break;
6219         }
6220
6221         if (NVME_TARGET(vha->hw, fcport))
6222                 qla_nvme_register_remote(vha, fcport);
6223
6224         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
6225
6226         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
6227                 if (fcport->id_changed) {
6228                         fcport->id_changed = 0;
6229                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
6230                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
6231                             __func__, __LINE__, fcport->port_name,
6232                             vha->fcport_count);
6233                         qla24xx_post_gfpnid_work(vha, fcport);
6234                 } else {
6235                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
6236                             "%s %d %8phC post gpsc fcp_cnt %d\n",
6237                             __func__, __LINE__, fcport->port_name,
6238                             vha->fcport_count);
6239                         qla24xx_post_gpsc_work(vha, fcport);
6240                 }
6241         }
6242
6243         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
6244 }
6245
6246 void qla_register_fcport_fn(struct work_struct *work)
6247 {
6248         fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
6249         u32 rscn_gen = fcport->rscn_gen;
6250         u16 data[2];
6251
6252         if (IS_SW_RESV_ADDR(fcport->d_id))
6253                 return;
6254
6255         qla2x00_update_fcport(fcport->vha, fcport);
6256
6257         ql_dbg(ql_dbg_disc, fcport->vha, 0x911e,
6258                "%s rscn gen %d/%d next DS %d\n", __func__,
6259                rscn_gen, fcport->rscn_gen, fcport->next_disc_state);
6260
6261         if (rscn_gen != fcport->rscn_gen) {
6262                 /* RSCN(s) came in while registration */
6263                 switch (fcport->next_disc_state) {
6264                 case DSC_DELETE_PEND:
6265                         qlt_schedule_sess_for_deletion(fcport);
6266                         break;
6267                 case DSC_ADISC:
6268                         data[0] = data[1] = 0;
6269                         qla2x00_post_async_adisc_work(fcport->vha, fcport,
6270                             data);
6271                         break;
6272                 default:
6273                         break;
6274                 }
6275         }
6276 }
6277
6278 /*
6279  * qla2x00_configure_fabric
6280  *      Setup SNS devices with loop ID's.
6281  *
6282  * Input:
6283  *      ha = adapter block pointer.
6284  *
6285  * Returns:
6286  *      0 = success.
6287  *      BIT_0 = error
6288  */
6289 static int
6290 qla2x00_configure_fabric(scsi_qla_host_t *vha)
6291 {
6292         int     rval;
6293         fc_port_t       *fcport;
6294         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6295         uint16_t        loop_id;
6296         struct qla_hw_data *ha = vha->hw;
6297         int             discovery_gen;
6298
6299         /* If FL port exists, then SNS is present */
6300         if (IS_FWI2_CAPABLE(ha))
6301                 loop_id = NPH_F_PORT;
6302         else
6303                 loop_id = SNS_FL_PORT;
6304         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
6305         if (rval != QLA_SUCCESS) {
6306                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
6307                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
6308
6309                 vha->device_flags &= ~SWITCH_FOUND;
6310                 return (QLA_SUCCESS);
6311         }
6312         vha->device_flags |= SWITCH_FOUND;
6313
6314         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_port_name, 0);
6315         if (rval != QLA_SUCCESS)
6316                 ql_dbg(ql_dbg_disc, vha, 0x20ff,
6317                     "Failed to get Fabric Port Name\n");
6318
6319         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
6320                 rval = qla2x00_send_change_request(vha, 0x3, 0);
6321                 if (rval != QLA_SUCCESS)
6322                         ql_log(ql_log_warn, vha, 0x121,
6323                             "Failed to enable receiving of RSCN requests: 0x%x.\n",
6324                             rval);
6325         }
6326
6327         do {
6328                 qla2x00_mgmt_svr_login(vha);
6329
6330                 /* Ensure we are logged into the SNS. */
6331                 loop_id = NPH_SNS_LID(ha);
6332                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
6333                     0xfc, mb, BIT_1|BIT_0);
6334                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
6335                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
6336                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
6337                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
6338                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6339                         return rval;
6340                 }
6341
6342                 /* FDMI support. */
6343                 if (ql2xfdmienable &&
6344                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
6345                         qla2x00_fdmi_register(vha);
6346
6347                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
6348                         if (qla2x00_rft_id(vha)) {
6349                                 /* EMPTY */
6350                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
6351                                     "Register FC-4 TYPE failed.\n");
6352                                 if (test_bit(LOOP_RESYNC_NEEDED,
6353                                     &vha->dpc_flags))
6354                                         break;
6355                         }
6356                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
6357                                 /* EMPTY */
6358                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
6359                                     "Register FC-4 Features failed.\n");
6360                                 if (test_bit(LOOP_RESYNC_NEEDED,
6361                                     &vha->dpc_flags))
6362                                         break;
6363                         }
6364                         if (vha->flags.nvme_enabled) {
6365                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
6366                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
6367                                             "Register NVME FC Type Features failed.\n");
6368                                 }
6369                         }
6370                         if (qla2x00_rnn_id(vha)) {
6371                                 /* EMPTY */
6372                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
6373                                     "Register Node Name failed.\n");
6374                                 if (test_bit(LOOP_RESYNC_NEEDED,
6375                                     &vha->dpc_flags))
6376                                         break;
6377                         } else if (qla2x00_rsnn_nn(vha)) {
6378                                 /* EMPTY */
6379                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
6380                                     "Register Symbolic Node Name failed.\n");
6381                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6382                                         break;
6383                         }
6384                 }
6385
6386
6387                 /* Mark the time right before querying FW for connected ports.
6388                  * This process is long, asynchronous and by the time it's done,
6389                  * collected information might not be accurate anymore. E.g.
6390                  * disconnected port might have re-connected and a brand new
6391                  * session has been created. In this case session's generation
6392                  * will be newer than discovery_gen. */
6393                 qlt_do_generation_tick(vha, &discovery_gen);
6394
6395                 if (USE_ASYNC_SCAN(ha)) {
6396                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
6397                             NULL);
6398                         if (rval)
6399                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6400                 } else  {
6401                         list_for_each_entry(fcport, &vha->vp_fcports, list)
6402                                 fcport->scan_state = QLA_FCPORT_SCAN;
6403
6404                         rval = qla2x00_find_all_fabric_devs(vha);
6405                 }
6406                 if (rval != QLA_SUCCESS)
6407                         break;
6408         } while (0);
6409
6410         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
6411                 qla_nvme_register_hba(vha);
6412
6413         if (rval)
6414                 ql_dbg(ql_dbg_disc, vha, 0x2068,
6415                     "Configure fabric error exit rval=%d.\n", rval);
6416
6417         return (rval);
6418 }
6419
6420 /*
6421  * qla2x00_find_all_fabric_devs
6422  *
6423  * Input:
6424  *      ha = adapter block pointer.
6425  *      dev = database device entry pointer.
6426  *
6427  * Returns:
6428  *      0 = success.
6429  *
6430  * Context:
6431  *      Kernel context.
6432  */
6433 static int
6434 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
6435 {
6436         int             rval;
6437         uint16_t        loop_id;
6438         fc_port_t       *fcport, *new_fcport;
6439         int             found;
6440
6441         sw_info_t       *swl;
6442         int             swl_idx;
6443         int             first_dev, last_dev;
6444         port_id_t       wrap = {}, nxt_d_id;
6445         struct qla_hw_data *ha = vha->hw;
6446         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6447         unsigned long flags;
6448
6449         rval = QLA_SUCCESS;
6450
6451         /* Try GID_PT to get device list, else GAN. */
6452         if (!ha->swl)
6453                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
6454                     GFP_KERNEL);
6455         swl = ha->swl;
6456         if (!swl) {
6457                 /*EMPTY*/
6458                 ql_dbg(ql_dbg_disc, vha, 0x209c,
6459                     "GID_PT allocations failed, fallback on GA_NXT.\n");
6460         } else {
6461                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
6462                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
6463                         swl = NULL;
6464                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6465                                 return rval;
6466                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
6467                         swl = NULL;
6468                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6469                                 return rval;
6470                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
6471                         swl = NULL;
6472                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6473                                 return rval;
6474                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
6475                         swl = NULL;
6476                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6477                                 return rval;
6478                 }
6479
6480                 /* If other queries succeeded probe for FC-4 type */
6481                 if (swl) {
6482                         qla2x00_gff_id(vha, swl);
6483                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6484                                 return rval;
6485                 }
6486         }
6487         swl_idx = 0;
6488
6489         /* Allocate temporary fcport for any new fcports discovered. */
6490         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
6491         if (new_fcport == NULL) {
6492                 ql_log(ql_log_warn, vha, 0x209d,
6493                     "Failed to allocate memory for fcport.\n");
6494                 return (QLA_MEMORY_ALLOC_FAILED);
6495         }
6496         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
6497         /* Set start port ID scan at adapter ID. */
6498         first_dev = 1;
6499         last_dev = 0;
6500
6501         /* Starting free loop ID. */
6502         loop_id = ha->min_external_loopid;
6503         for (; loop_id <= ha->max_loop_id; loop_id++) {
6504                 if (qla2x00_is_reserved_id(vha, loop_id))
6505                         continue;
6506
6507                 if (ha->current_topology == ISP_CFG_FL &&
6508                     (atomic_read(&vha->loop_down_timer) ||
6509                      LOOP_TRANSITION(vha))) {
6510                         atomic_set(&vha->loop_down_timer, 0);
6511                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6512                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
6513                         break;
6514                 }
6515
6516                 if (swl != NULL) {
6517                         if (last_dev) {
6518                                 wrap.b24 = new_fcport->d_id.b24;
6519                         } else {
6520                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
6521                                 memcpy(new_fcport->node_name,
6522                                     swl[swl_idx].node_name, WWN_SIZE);
6523                                 memcpy(new_fcport->port_name,
6524                                     swl[swl_idx].port_name, WWN_SIZE);
6525                                 memcpy(new_fcport->fabric_port_name,
6526                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
6527                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
6528                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
6529
6530                                 new_fcport->nvme_flag = 0;
6531                                 if (vha->flags.nvme_enabled &&
6532                                     swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) {
6533                                         ql_log(ql_log_info, vha, 0x2131,
6534                                             "FOUND: NVME port %8phC as FC Type 28h\n",
6535                                             new_fcport->port_name);
6536                                 }
6537
6538                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
6539                                         last_dev = 1;
6540                                 }
6541                                 swl_idx++;
6542                         }
6543                 } else {
6544                         /* Send GA_NXT to the switch */
6545                         rval = qla2x00_ga_nxt(vha, new_fcport);
6546                         if (rval != QLA_SUCCESS) {
6547                                 ql_log(ql_log_warn, vha, 0x209e,
6548                                     "SNS scan failed -- assuming "
6549                                     "zero-entry result.\n");
6550                                 rval = QLA_SUCCESS;
6551                                 break;
6552                         }
6553                 }
6554
6555                 /* If wrap on switch device list, exit. */
6556                 if (first_dev) {
6557                         wrap.b24 = new_fcport->d_id.b24;
6558                         first_dev = 0;
6559                 } else if (new_fcport->d_id.b24 == wrap.b24) {
6560                         ql_dbg(ql_dbg_disc, vha, 0x209f,
6561                             "Device wrap (%02x%02x%02x).\n",
6562                             new_fcport->d_id.b.domain,
6563                             new_fcport->d_id.b.area,
6564                             new_fcport->d_id.b.al_pa);
6565                         break;
6566                 }
6567
6568                 /* Bypass if same physical adapter. */
6569                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
6570                         continue;
6571
6572                 /* Bypass virtual ports of the same host. */
6573                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
6574                         continue;
6575
6576                 /* Bypass if same domain and area of adapter. */
6577                 if (((new_fcport->d_id.b24 & 0xffff00) ==
6578                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
6579                         ISP_CFG_FL)
6580                             continue;
6581
6582                 /* Bypass reserved domain fields. */
6583                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
6584                         continue;
6585
6586                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
6587                 if (ql2xgffidenable &&
6588                     (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) &&
6589                     new_fcport->fc4_type != 0))
6590                         continue;
6591
6592                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
6593
6594                 /* Locate matching device in database. */
6595                 found = 0;
6596                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6597                         if (memcmp(new_fcport->port_name, fcport->port_name,
6598                             WWN_SIZE))
6599                                 continue;
6600
6601                         fcport->scan_state = QLA_FCPORT_FOUND;
6602
6603                         found++;
6604
6605                         /* Update port state. */
6606                         memcpy(fcport->fabric_port_name,
6607                             new_fcport->fabric_port_name, WWN_SIZE);
6608                         fcport->fp_speed = new_fcport->fp_speed;
6609
6610                         /*
6611                          * If address the same and state FCS_ONLINE
6612                          * (or in target mode), nothing changed.
6613                          */
6614                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
6615                             (atomic_read(&fcport->state) == FCS_ONLINE ||
6616                              (vha->host->active_mode == MODE_TARGET))) {
6617                                 break;
6618                         }
6619
6620                         if (fcport->login_retry == 0)
6621                                 fcport->login_retry =
6622                                         vha->hw->login_retry_count;
6623                         /*
6624                          * If device was not a fabric device before.
6625                          */
6626                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
6627                                 fcport->d_id.b24 = new_fcport->d_id.b24;
6628                                 qla2x00_clear_loop_id(fcport);
6629                                 fcport->flags |= (FCF_FABRIC_DEVICE |
6630                                     FCF_LOGIN_NEEDED);
6631                                 break;
6632                         }
6633
6634                         /*
6635                          * Port ID changed or device was marked to be updated;
6636                          * Log it out if still logged in and mark it for
6637                          * relogin later.
6638                          */
6639                         if (qla_tgt_mode_enabled(base_vha)) {
6640                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
6641                                          "port changed FC ID, %8phC"
6642                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
6643                                          fcport->port_name,
6644                                          fcport->d_id.b.domain,
6645                                          fcport->d_id.b.area,
6646                                          fcport->d_id.b.al_pa,
6647                                          fcport->loop_id,
6648                                          new_fcport->d_id.b.domain,
6649                                          new_fcport->d_id.b.area,
6650                                          new_fcport->d_id.b.al_pa);
6651                                 fcport->d_id.b24 = new_fcport->d_id.b24;
6652                                 break;
6653                         }
6654
6655                         fcport->d_id.b24 = new_fcport->d_id.b24;
6656                         fcport->flags |= FCF_LOGIN_NEEDED;
6657                         break;
6658                 }
6659
6660                 if (found && NVME_TARGET(vha->hw, fcport)) {
6661                         if (fcport->disc_state == DSC_DELETE_PEND) {
6662                                 qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
6663                                 vha->fcport_count--;
6664                                 fcport->login_succ = 0;
6665                         }
6666                 }
6667
6668                 if (found) {
6669                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6670                         continue;
6671                 }
6672                 /* If device was not in our fcports list, then add it. */
6673                 new_fcport->scan_state = QLA_FCPORT_FOUND;
6674                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
6675
6676                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6677
6678
6679                 /* Allocate a new replacement fcport. */
6680                 nxt_d_id.b24 = new_fcport->d_id.b24;
6681                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
6682                 if (new_fcport == NULL) {
6683                         ql_log(ql_log_warn, vha, 0xd032,
6684                             "Memory allocation failed for fcport.\n");
6685                         return (QLA_MEMORY_ALLOC_FAILED);
6686                 }
6687                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
6688                 new_fcport->d_id.b24 = nxt_d_id.b24;
6689         }
6690
6691         qla2x00_free_fcport(new_fcport);
6692
6693         /*
6694          * Logout all previous fabric dev marked lost, except FCP2 devices.
6695          */
6696         list_for_each_entry(fcport, &vha->vp_fcports, list) {
6697                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6698                         break;
6699
6700                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
6701                         continue;
6702
6703                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
6704                         if ((qla_dual_mode_enabled(vha) ||
6705                             qla_ini_mode_enabled(vha)) &&
6706                             atomic_read(&fcport->state) == FCS_ONLINE) {
6707                                 qla2x00_mark_device_lost(vha, fcport,
6708                                         ql2xplogiabsentdevice);
6709                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
6710                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
6711                                     fcport->port_type != FCT_INITIATOR &&
6712                                     fcport->port_type != FCT_BROADCAST) {
6713                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
6714                                             "%s %d %8phC post del sess\n",
6715                                             __func__, __LINE__,
6716                                             fcport->port_name);
6717                                         qlt_schedule_sess_for_deletion(fcport);
6718                                         continue;
6719                                 }
6720                         }
6721                 }
6722
6723                 if (fcport->scan_state == QLA_FCPORT_FOUND &&
6724                     (fcport->flags & FCF_LOGIN_NEEDED) != 0)
6725                         qla24xx_fcport_handle_login(vha, fcport);
6726         }
6727         return (rval);
6728 }
6729
6730 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
6731 int
6732 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
6733 {
6734         int loop_id = FC_NO_LOOP_ID;
6735         int lid = NPH_MGMT_SERVER - vha->vp_idx;
6736         unsigned long flags;
6737         struct qla_hw_data *ha = vha->hw;
6738
6739         if (vha->vp_idx == 0) {
6740                 set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
6741                 return NPH_MGMT_SERVER;
6742         }
6743
6744         /* pick id from high and work down to low */
6745         spin_lock_irqsave(&ha->vport_slock, flags);
6746         for (; lid > 0; lid--) {
6747                 if (!test_bit(lid, vha->hw->loop_id_map)) {
6748                         set_bit(lid, vha->hw->loop_id_map);
6749                         loop_id = lid;
6750                         break;
6751                 }
6752         }
6753         spin_unlock_irqrestore(&ha->vport_slock, flags);
6754
6755         return loop_id;
6756 }
6757
6758 /*
6759  * qla2x00_fabric_login
6760  *      Issue fabric login command.
6761  *
6762  * Input:
6763  *      ha = adapter block pointer.
6764  *      device = pointer to FC device type structure.
6765  *
6766  * Returns:
6767  *      0 - Login successfully
6768  *      1 - Login failed
6769  *      2 - Initiator device
6770  *      3 - Fatal error
6771  */
6772 int
6773 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
6774     uint16_t *next_loopid)
6775 {
6776         int     rval;
6777         int     retry;
6778         uint16_t tmp_loopid;
6779         uint16_t mb[MAILBOX_REGISTER_COUNT];
6780         struct qla_hw_data *ha = vha->hw;
6781
6782         retry = 0;
6783         tmp_loopid = 0;
6784
6785         for (;;) {
6786                 ql_dbg(ql_dbg_disc, vha, 0x2000,
6787                     "Trying Fabric Login w/loop id 0x%04x for port "
6788                     "%02x%02x%02x.\n",
6789                     fcport->loop_id, fcport->d_id.b.domain,
6790                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
6791
6792                 /* Login fcport on switch. */
6793                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
6794                     fcport->d_id.b.domain, fcport->d_id.b.area,
6795                     fcport->d_id.b.al_pa, mb, BIT_0);
6796                 if (rval != QLA_SUCCESS) {
6797                         return rval;
6798                 }
6799                 if (mb[0] == MBS_PORT_ID_USED) {
6800                         /*
6801                          * Device has another loop ID.  The firmware team
6802                          * recommends the driver perform an implicit login with
6803                          * the specified ID again. The ID we just used is save
6804                          * here so we return with an ID that can be tried by
6805                          * the next login.
6806                          */
6807                         retry++;
6808                         tmp_loopid = fcport->loop_id;
6809                         fcport->loop_id = mb[1];
6810
6811                         ql_dbg(ql_dbg_disc, vha, 0x2001,
6812                             "Fabric Login: port in use - next loop "
6813                             "id=0x%04x, port id= %02x%02x%02x.\n",
6814                             fcport->loop_id, fcport->d_id.b.domain,
6815                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6816
6817                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
6818                         /*
6819                          * Login succeeded.
6820                          */
6821                         if (retry) {
6822                                 /* A retry occurred before. */
6823                                 *next_loopid = tmp_loopid;
6824                         } else {
6825                                 /*
6826                                  * No retry occurred before. Just increment the
6827                                  * ID value for next login.
6828                                  */
6829                                 *next_loopid = (fcport->loop_id + 1);
6830                         }
6831
6832                         if (mb[1] & BIT_0) {
6833                                 fcport->port_type = FCT_INITIATOR;
6834                         } else {
6835                                 fcport->port_type = FCT_TARGET;
6836                                 if (mb[1] & BIT_1) {
6837                                         fcport->flags |= FCF_FCP2_DEVICE;
6838                                 }
6839                         }
6840
6841                         if (mb[10] & BIT_0)
6842                                 fcport->supported_classes |= FC_COS_CLASS2;
6843                         if (mb[10] & BIT_1)
6844                                 fcport->supported_classes |= FC_COS_CLASS3;
6845
6846                         if (IS_FWI2_CAPABLE(ha)) {
6847                                 if (mb[10] & BIT_7)
6848                                         fcport->flags |=
6849                                             FCF_CONF_COMP_SUPPORTED;
6850                         }
6851
6852                         rval = QLA_SUCCESS;
6853                         break;
6854                 } else if (mb[0] == MBS_LOOP_ID_USED) {
6855                         /*
6856                          * Loop ID already used, try next loop ID.
6857                          */
6858                         fcport->loop_id++;
6859                         rval = qla2x00_find_new_loop_id(vha, fcport);
6860                         if (rval != QLA_SUCCESS) {
6861                                 /* Ran out of loop IDs to use */
6862                                 break;
6863                         }
6864                 } else if (mb[0] == MBS_COMMAND_ERROR) {
6865                         /*
6866                          * Firmware possibly timed out during login. If NO
6867                          * retries are left to do then the device is declared
6868                          * dead.
6869                          */
6870                         *next_loopid = fcport->loop_id;
6871                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6872                             fcport->d_id.b.domain, fcport->d_id.b.area,
6873                             fcport->d_id.b.al_pa);
6874                         qla2x00_mark_device_lost(vha, fcport, 1);
6875
6876                         rval = 1;
6877                         break;
6878                 } else {
6879                         /*
6880                          * unrecoverable / not handled error
6881                          */
6882                         ql_dbg(ql_dbg_disc, vha, 0x2002,
6883                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
6884                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
6885                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
6886                             fcport->loop_id, jiffies);
6887
6888                         *next_loopid = fcport->loop_id;
6889                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6890                             fcport->d_id.b.domain, fcport->d_id.b.area,
6891                             fcport->d_id.b.al_pa);
6892                         qla2x00_clear_loop_id(fcport);
6893                         fcport->login_retry = 0;
6894
6895                         rval = 3;
6896                         break;
6897                 }
6898         }
6899
6900         return (rval);
6901 }
6902
6903 /*
6904  * qla2x00_local_device_login
6905  *      Issue local device login command.
6906  *
6907  * Input:
6908  *      ha = adapter block pointer.
6909  *      loop_id = loop id of device to login to.
6910  *
6911  * Returns (Where's the #define!!!!):
6912  *      0 - Login successfully
6913  *      1 - Login failed
6914  *      3 - Fatal error
6915  */
6916 int
6917 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6918 {
6919         int             rval;
6920         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6921
6922         memset(mb, 0, sizeof(mb));
6923         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6924         if (rval == QLA_SUCCESS) {
6925                 /* Interrogate mailbox registers for any errors */
6926                 if (mb[0] == MBS_COMMAND_ERROR)
6927                         rval = 1;
6928                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6929                         /* device not in PCB table */
6930                         rval = 3;
6931         }
6932
6933         return (rval);
6934 }
6935
6936 /*
6937  *  qla2x00_loop_resync
6938  *      Resync with fibre channel devices.
6939  *
6940  * Input:
6941  *      ha = adapter block pointer.
6942  *
6943  * Returns:
6944  *      0 = success
6945  */
6946 int
6947 qla2x00_loop_resync(scsi_qla_host_t *vha)
6948 {
6949         int rval = QLA_SUCCESS;
6950         uint32_t wait_time;
6951
6952         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6953         if (vha->flags.online) {
6954                 if (!(rval = qla2x00_fw_ready(vha))) {
6955                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
6956                         wait_time = 256;
6957                         do {
6958                                 if (!IS_QLAFX00(vha->hw)) {
6959                                         /*
6960                                          * Issue a marker after FW becomes
6961                                          * ready.
6962                                          */
6963                                         qla2x00_marker(vha, vha->hw->base_qpair,
6964                                             0, 0, MK_SYNC_ALL);
6965                                         vha->marker_needed = 0;
6966                                 }
6967
6968                                 /* Remap devices on Loop. */
6969                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6970
6971                                 if (IS_QLAFX00(vha->hw))
6972                                         qlafx00_configure_devices(vha);
6973                                 else
6974                                         qla2x00_configure_loop(vha);
6975
6976                                 wait_time--;
6977                         } while (!atomic_read(&vha->loop_down_timer) &&
6978                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6979                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6980                                 &vha->dpc_flags)));
6981                 }
6982         }
6983
6984         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6985                 return (QLA_FUNCTION_FAILED);
6986
6987         if (rval)
6988                 ql_dbg(ql_dbg_disc, vha, 0x206c,
6989                     "%s *** FAILED ***.\n", __func__);
6990
6991         return (rval);
6992 }
6993
6994 /*
6995 * qla2x00_perform_loop_resync
6996 * Description: This function will set the appropriate flags and call
6997 *              qla2x00_loop_resync. If successful loop will be resynced
6998 * Arguments : scsi_qla_host_t pointer
6999 * returm    : Success or Failure
7000 */
7001
7002 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
7003 {
7004         int32_t rval = 0;
7005
7006         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
7007                 /*Configure the flags so that resync happens properly*/
7008                 atomic_set(&ha->loop_down_timer, 0);
7009                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
7010                         atomic_set(&ha->loop_state, LOOP_UP);
7011                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
7012                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
7013                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
7014
7015                         rval = qla2x00_loop_resync(ha);
7016                 } else
7017                         atomic_set(&ha->loop_state, LOOP_DEAD);
7018
7019                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
7020         }
7021
7022         return rval;
7023 }
7024
7025 /* Assumes idc_lock always held on entry */
7026 void
7027 qla83xx_reset_ownership(scsi_qla_host_t *vha)
7028 {
7029         struct qla_hw_data *ha = vha->hw;
7030         uint32_t drv_presence, drv_presence_mask;
7031         uint32_t dev_part_info1, dev_part_info2, class_type;
7032         uint32_t class_type_mask = 0x3;
7033         uint16_t fcoe_other_function = 0xffff, i;
7034
7035         if (IS_QLA8044(ha)) {
7036                 drv_presence = qla8044_rd_direct(vha,
7037                     QLA8044_CRB_DRV_ACTIVE_INDEX);
7038                 dev_part_info1 = qla8044_rd_direct(vha,
7039                     QLA8044_CRB_DEV_PART_INFO_INDEX);
7040                 dev_part_info2 = qla8044_rd_direct(vha,
7041                     QLA8044_CRB_DEV_PART_INFO2);
7042         } else {
7043                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
7044                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
7045                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
7046         }
7047         for (i = 0; i < 8; i++) {
7048                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
7049                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
7050                     (i != ha->portnum)) {
7051                         fcoe_other_function = i;
7052                         break;
7053                 }
7054         }
7055         if (fcoe_other_function == 0xffff) {
7056                 for (i = 0; i < 8; i++) {
7057                         class_type = ((dev_part_info2 >> (i * 4)) &
7058                             class_type_mask);
7059                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
7060                             ((i + 8) != ha->portnum)) {
7061                                 fcoe_other_function = i + 8;
7062                                 break;
7063                         }
7064                 }
7065         }
7066         /*
7067          * Prepare drv-presence mask based on fcoe functions present.
7068          * However consider only valid physical fcoe function numbers (0-15).
7069          */
7070         drv_presence_mask = ~((1 << (ha->portnum)) |
7071                         ((fcoe_other_function == 0xffff) ?
7072                          0 : (1 << (fcoe_other_function))));
7073
7074         /* We are the reset owner iff:
7075          *    - No other protocol drivers present.
7076          *    - This is the lowest among fcoe functions. */
7077         if (!(drv_presence & drv_presence_mask) &&
7078                         (ha->portnum < fcoe_other_function)) {
7079                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
7080                     "This host is Reset owner.\n");
7081                 ha->flags.nic_core_reset_owner = 1;
7082         }
7083 }
7084
7085 static int
7086 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
7087 {
7088         int rval = QLA_SUCCESS;
7089         struct qla_hw_data *ha = vha->hw;
7090         uint32_t drv_ack;
7091
7092         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
7093         if (rval == QLA_SUCCESS) {
7094                 drv_ack |= (1 << ha->portnum);
7095                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
7096         }
7097
7098         return rval;
7099 }
7100
7101 static int
7102 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
7103 {
7104         int rval = QLA_SUCCESS;
7105         struct qla_hw_data *ha = vha->hw;
7106         uint32_t drv_ack;
7107
7108         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
7109         if (rval == QLA_SUCCESS) {
7110                 drv_ack &= ~(1 << ha->portnum);
7111                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
7112         }
7113
7114         return rval;
7115 }
7116
7117 /* Assumes idc-lock always held on entry */
7118 void
7119 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
7120 {
7121         struct qla_hw_data *ha = vha->hw;
7122         uint32_t idc_audit_reg = 0, duration_secs = 0;
7123
7124         switch (audit_type) {
7125         case IDC_AUDIT_TIMESTAMP:
7126                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
7127                 idc_audit_reg = (ha->portnum) |
7128                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
7129                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
7130                 break;
7131
7132         case IDC_AUDIT_COMPLETION:
7133                 duration_secs = ((jiffies_to_msecs(jiffies) -
7134                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
7135                 idc_audit_reg = (ha->portnum) |
7136                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
7137                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
7138                 break;
7139
7140         default:
7141                 ql_log(ql_log_warn, vha, 0xb078,
7142                     "Invalid audit type specified.\n");
7143                 break;
7144         }
7145 }
7146
7147 /* Assumes idc_lock always held on entry */
7148 static int
7149 qla83xx_initiating_reset(scsi_qla_host_t *vha)
7150 {
7151         struct qla_hw_data *ha = vha->hw;
7152         uint32_t  idc_control, dev_state;
7153
7154         __qla83xx_get_idc_control(vha, &idc_control);
7155         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
7156                 ql_log(ql_log_info, vha, 0xb080,
7157                     "NIC Core reset has been disabled. idc-control=0x%x\n",
7158                     idc_control);
7159                 return QLA_FUNCTION_FAILED;
7160         }
7161
7162         /* Set NEED-RESET iff in READY state and we are the reset-owner */
7163         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
7164         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
7165                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
7166                     QLA8XXX_DEV_NEED_RESET);
7167                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
7168                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
7169         } else {
7170                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n",
7171                                 qdev_state(dev_state));
7172
7173                 /* SV: XXX: Is timeout required here? */
7174                 /* Wait for IDC state change READY -> NEED_RESET */
7175                 while (dev_state == QLA8XXX_DEV_READY) {
7176                         qla83xx_idc_unlock(vha, 0);
7177                         msleep(200);
7178                         qla83xx_idc_lock(vha, 0);
7179                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
7180                 }
7181         }
7182
7183         /* Send IDC ack by writing to drv-ack register */
7184         __qla83xx_set_drv_ack(vha);
7185
7186         return QLA_SUCCESS;
7187 }
7188
7189 int
7190 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
7191 {
7192         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
7193 }
7194
7195 int
7196 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
7197 {
7198         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
7199 }
7200
7201 static int
7202 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
7203 {
7204         uint32_t drv_presence = 0;
7205         struct qla_hw_data *ha = vha->hw;
7206
7207         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
7208         if (drv_presence & (1 << ha->portnum))
7209                 return QLA_SUCCESS;
7210         else
7211                 return QLA_TEST_FAILED;
7212 }
7213
7214 int
7215 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
7216 {
7217         int rval = QLA_SUCCESS;
7218         struct qla_hw_data *ha = vha->hw;
7219
7220         ql_dbg(ql_dbg_p3p, vha, 0xb058,
7221             "Entered  %s().\n", __func__);
7222
7223         if (vha->device_flags & DFLG_DEV_FAILED) {
7224                 ql_log(ql_log_warn, vha, 0xb059,
7225                     "Device in unrecoverable FAILED state.\n");
7226                 return QLA_FUNCTION_FAILED;
7227         }
7228
7229         qla83xx_idc_lock(vha, 0);
7230
7231         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
7232                 ql_log(ql_log_warn, vha, 0xb05a,
7233                     "Function=0x%x has been removed from IDC participation.\n",
7234                     ha->portnum);
7235                 rval = QLA_FUNCTION_FAILED;
7236                 goto exit;
7237         }
7238
7239         qla83xx_reset_ownership(vha);
7240
7241         rval = qla83xx_initiating_reset(vha);
7242
7243         /*
7244          * Perform reset if we are the reset-owner,
7245          * else wait till IDC state changes to READY/FAILED.
7246          */
7247         if (rval == QLA_SUCCESS) {
7248                 rval = qla83xx_idc_state_handler(vha);
7249
7250                 if (rval == QLA_SUCCESS)
7251                         ha->flags.nic_core_hung = 0;
7252                 __qla83xx_clear_drv_ack(vha);
7253         }
7254
7255 exit:
7256         qla83xx_idc_unlock(vha, 0);
7257
7258         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
7259
7260         return rval;
7261 }
7262
7263 int
7264 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
7265 {
7266         struct qla_hw_data *ha = vha->hw;
7267         int rval = QLA_FUNCTION_FAILED;
7268
7269         if (!IS_MCTP_CAPABLE(ha)) {
7270                 /* This message can be removed from the final version */
7271                 ql_log(ql_log_info, vha, 0x506d,
7272                     "This board is not MCTP capable\n");
7273                 return rval;
7274         }
7275
7276         if (!ha->mctp_dump) {
7277                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
7278                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
7279
7280                 if (!ha->mctp_dump) {
7281                         ql_log(ql_log_warn, vha, 0x506e,
7282                             "Failed to allocate memory for mctp dump\n");
7283                         return rval;
7284                 }
7285         }
7286
7287 #define MCTP_DUMP_STR_ADDR      0x00000000
7288         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
7289             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
7290         if (rval != QLA_SUCCESS) {
7291                 ql_log(ql_log_warn, vha, 0x506f,
7292                     "Failed to capture mctp dump\n");
7293         } else {
7294                 ql_log(ql_log_info, vha, 0x5070,
7295                     "Mctp dump capture for host (%ld/%p).\n",
7296                     vha->host_no, ha->mctp_dump);
7297                 ha->mctp_dumped = 1;
7298         }
7299
7300         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
7301                 ha->flags.nic_core_reset_hdlr_active = 1;
7302                 rval = qla83xx_restart_nic_firmware(vha);
7303                 if (rval)
7304                         /* NIC Core reset failed. */
7305                         ql_log(ql_log_warn, vha, 0x5071,
7306                             "Failed to restart nic firmware\n");
7307                 else
7308                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
7309                             "Restarted NIC firmware successfully.\n");
7310                 ha->flags.nic_core_reset_hdlr_active = 0;
7311         }
7312
7313         return rval;
7314
7315 }
7316
7317 /*
7318 * qla2x00_quiesce_io
7319 * Description: This function will block the new I/Os
7320 *              Its not aborting any I/Os as context
7321 *              is not destroyed during quiescence
7322 * Arguments: scsi_qla_host_t
7323 * return   : void
7324 */
7325 void
7326 qla2x00_quiesce_io(scsi_qla_host_t *vha)
7327 {
7328         struct qla_hw_data *ha = vha->hw;
7329         struct scsi_qla_host *vp, *tvp;
7330         unsigned long flags;
7331
7332         ql_dbg(ql_dbg_dpc, vha, 0x401d,
7333             "Quiescing I/O - ha=%p.\n", ha);
7334
7335         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
7336         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
7337                 atomic_set(&vha->loop_state, LOOP_DOWN);
7338                 qla2x00_mark_all_devices_lost(vha);
7339
7340                 spin_lock_irqsave(&ha->vport_slock, flags);
7341                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7342                         atomic_inc(&vp->vref_count);
7343                         spin_unlock_irqrestore(&ha->vport_slock, flags);
7344
7345                         qla2x00_mark_all_devices_lost(vp);
7346
7347                         spin_lock_irqsave(&ha->vport_slock, flags);
7348                         atomic_dec(&vp->vref_count);
7349                 }
7350                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7351         } else {
7352                 if (!atomic_read(&vha->loop_down_timer))
7353                         atomic_set(&vha->loop_down_timer,
7354                                         LOOP_DOWN_TIME);
7355         }
7356         /* Wait for pending cmds to complete */
7357         WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST)
7358                      != QLA_SUCCESS);
7359 }
7360
7361 void
7362 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
7363 {
7364         struct qla_hw_data *ha = vha->hw;
7365         struct scsi_qla_host *vp, *tvp;
7366         unsigned long flags;
7367         fc_port_t *fcport;
7368         u16 i;
7369
7370         /* For ISP82XX, driver waits for completion of the commands.
7371          * online flag should be set.
7372          */
7373         if (!(IS_P3P_TYPE(ha)))
7374                 vha->flags.online = 0;
7375         ha->flags.chip_reset_done = 0;
7376         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
7377         vha->qla_stats.total_isp_aborts++;
7378
7379         ql_log(ql_log_info, vha, 0x00af,
7380             "Performing ISP error recovery - ha=%p.\n", ha);
7381
7382         ha->flags.purge_mbox = 1;
7383         /* For ISP82XX, reset_chip is just disabling interrupts.
7384          * Driver waits for the completion of the commands.
7385          * the interrupts need to be enabled.
7386          */
7387         if (!(IS_P3P_TYPE(ha)))
7388                 ha->isp_ops->reset_chip(vha);
7389
7390         ha->link_data_rate = PORT_SPEED_UNKNOWN;
7391         SAVE_TOPO(ha);
7392         ha->flags.rida_fmt2 = 0;
7393         ha->flags.n2n_ae = 0;
7394         ha->flags.lip_ae = 0;
7395         ha->current_topology = 0;
7396         QLA_FW_STOPPED(ha);
7397         ha->flags.fw_init_done = 0;
7398         ha->chip_reset++;
7399         ha->base_qpair->chip_reset = ha->chip_reset;
7400         ha->base_qpair->cmd_cnt = ha->base_qpair->cmd_completion_cnt = 0;
7401         ha->base_qpair->prev_completion_cnt = 0;
7402         for (i = 0; i < ha->max_qpairs; i++) {
7403                 if (ha->queue_pair_map[i]) {
7404                         ha->queue_pair_map[i]->chip_reset =
7405                                 ha->base_qpair->chip_reset;
7406                         ha->queue_pair_map[i]->cmd_cnt =
7407                             ha->queue_pair_map[i]->cmd_completion_cnt = 0;
7408                         ha->base_qpair->prev_completion_cnt = 0;
7409                 }
7410         }
7411
7412         /* purge MBox commands */
7413         spin_lock_irqsave(&ha->hardware_lock, flags);
7414         if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags)) {
7415                 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
7416                 complete(&ha->mbx_intr_comp);
7417         }
7418         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7419
7420         i = 0;
7421         while (atomic_read(&ha->num_pend_mbx_stage2) ||
7422             atomic_read(&ha->num_pend_mbx_stage1)) {
7423                 msleep(20);
7424                 i++;
7425                 if (i > 50)
7426                         break;
7427         }
7428         ha->flags.purge_mbox = 0;
7429
7430         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
7431         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
7432                 atomic_set(&vha->loop_state, LOOP_DOWN);
7433                 qla2x00_mark_all_devices_lost(vha);
7434
7435                 spin_lock_irqsave(&ha->vport_slock, flags);
7436                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7437                         atomic_inc(&vp->vref_count);
7438                         spin_unlock_irqrestore(&ha->vport_slock, flags);
7439
7440                         qla2x00_mark_all_devices_lost(vp);
7441
7442                         spin_lock_irqsave(&ha->vport_slock, flags);
7443                         atomic_dec(&vp->vref_count);
7444                 }
7445                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7446         } else {
7447                 if (!atomic_read(&vha->loop_down_timer))
7448                         atomic_set(&vha->loop_down_timer,
7449                             LOOP_DOWN_TIME);
7450         }
7451
7452         /* Clear all async request states across all VPs. */
7453         list_for_each_entry(fcport, &vha->vp_fcports, list) {
7454                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7455                 fcport->scan_state = 0;
7456         }
7457         spin_lock_irqsave(&ha->vport_slock, flags);
7458         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7459                 atomic_inc(&vp->vref_count);
7460                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7461
7462                 list_for_each_entry(fcport, &vp->vp_fcports, list)
7463                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7464
7465                 spin_lock_irqsave(&ha->vport_slock, flags);
7466                 atomic_dec(&vp->vref_count);
7467         }
7468         spin_unlock_irqrestore(&ha->vport_slock, flags);
7469
7470         /* Make sure for ISP 82XX IO DMA is complete */
7471         if (IS_P3P_TYPE(ha)) {
7472                 qla82xx_chip_reset_cleanup(vha);
7473                 ql_log(ql_log_info, vha, 0x00b4,
7474                        "Done chip reset cleanup.\n");
7475
7476                 /* Done waiting for pending commands. Reset online flag */
7477                 vha->flags.online = 0;
7478         }
7479
7480         /* Requeue all commands in outstanding command list. */
7481         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
7482         /* memory barrier */
7483         wmb();
7484 }
7485
7486 /*
7487 *  qla2x00_abort_isp
7488 *      Resets ISP and aborts all outstanding commands.
7489 *
7490 * Input:
7491 *      ha           = adapter block pointer.
7492 *
7493 * Returns:
7494 *      0 = success
7495 */
7496 int
7497 qla2x00_abort_isp(scsi_qla_host_t *vha)
7498 {
7499         uint8_t        status = 0;
7500         struct qla_hw_data *ha = vha->hw;
7501         struct scsi_qla_host *vp, *tvp;
7502         struct req_que *req = ha->req_q_map[0];
7503         unsigned long flags;
7504         fc_port_t *fcport;
7505
7506         if (vha->flags.online) {
7507                 qla2x00_abort_isp_cleanup(vha);
7508
7509                 vha->dport_status |= DPORT_DIAG_CHIP_RESET_IN_PROGRESS;
7510                 vha->dport_status &= ~DPORT_DIAG_IN_PROGRESS;
7511
7512                 if (vha->hw->flags.port_isolated)
7513                         return status;
7514
7515                 if (qla2x00_isp_reg_stat(ha)) {
7516                         ql_log(ql_log_info, vha, 0x803f,
7517                                "ISP Abort - ISP reg disconnect, exiting.\n");
7518                         return status;
7519                 }
7520
7521                 if (test_and_clear_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags)) {
7522                         ha->flags.chip_reset_done = 1;
7523                         vha->flags.online = 1;
7524                         status = 0;
7525                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7526                         return status;
7527                 }
7528
7529                 if (IS_QLA8031(ha)) {
7530                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
7531                             "Clearing fcoe driver presence.\n");
7532                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
7533                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
7534                                     "Error while clearing DRV-Presence.\n");
7535                 }
7536
7537                 if (unlikely(pci_channel_offline(ha->pdev) &&
7538                     ha->flags.pci_channel_io_perm_failure)) {
7539                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7540                         status = 0;
7541                         return status;
7542                 }
7543
7544                 switch (vha->qlini_mode) {
7545                 case QLA2XXX_INI_MODE_DISABLED:
7546                         if (!qla_tgt_mode_enabled(vha))
7547                                 return 0;
7548                         break;
7549                 case QLA2XXX_INI_MODE_DUAL:
7550                         if (!qla_dual_mode_enabled(vha) &&
7551                             !qla_ini_mode_enabled(vha))
7552                                 return 0;
7553                         break;
7554                 case QLA2XXX_INI_MODE_ENABLED:
7555                 default:
7556                         break;
7557                 }
7558
7559                 ha->isp_ops->get_flash_version(vha, req->ring);
7560
7561                 if (qla2x00_isp_reg_stat(ha)) {
7562                         ql_log(ql_log_info, vha, 0x803f,
7563                                "ISP Abort - ISP reg disconnect pre nvram config, exiting.\n");
7564                         return status;
7565                 }
7566                 ha->isp_ops->nvram_config(vha);
7567
7568                 if (qla2x00_isp_reg_stat(ha)) {
7569                         ql_log(ql_log_info, vha, 0x803f,
7570                                "ISP Abort - ISP reg disconnect post nvmram config, exiting.\n");
7571                         return status;
7572                 }
7573
7574                 /* User may have updated [fcp|nvme] prefer in flash */
7575                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
7576                         if (NVME_PRIORITY(ha, fcport))
7577                                 fcport->do_prli_nvme = 1;
7578                         else
7579                                 fcport->do_prli_nvme = 0;
7580                 }
7581
7582                 if (!qla2x00_restart_isp(vha)) {
7583                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7584
7585                         if (!atomic_read(&vha->loop_down_timer)) {
7586                                 /*
7587                                  * Issue marker command only when we are going
7588                                  * to start the I/O .
7589                                  */
7590                                 vha->marker_needed = 1;
7591                         }
7592
7593                         vha->flags.online = 1;
7594
7595                         ha->isp_ops->enable_intrs(ha);
7596
7597                         ha->isp_abort_cnt = 0;
7598                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7599
7600                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
7601                                 qla2x00_get_fw_version(vha);
7602
7603                 } else {        /* failed the ISP abort */
7604                         vha->flags.online = 1;
7605                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
7606                                 if (ha->isp_abort_cnt == 0) {
7607                                         ql_log(ql_log_fatal, vha, 0x8035,
7608                                             "ISP error recover failed - "
7609                                             "board disabled.\n");
7610                                         /*
7611                                          * The next call disables the board
7612                                          * completely.
7613                                          */
7614                                         qla2x00_abort_isp_cleanup(vha);
7615                                         vha->flags.online = 0;
7616                                         clear_bit(ISP_ABORT_RETRY,
7617                                             &vha->dpc_flags);
7618                                         status = 0;
7619                                 } else { /* schedule another ISP abort */
7620                                         ha->isp_abort_cnt--;
7621                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
7622                                             "ISP abort - retry remaining %d.\n",
7623                                             ha->isp_abort_cnt);
7624                                         status = 1;
7625                                 }
7626                         } else {
7627                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
7628                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
7629                                     "ISP error recovery - retrying (%d) "
7630                                     "more times.\n", ha->isp_abort_cnt);
7631                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7632                                 status = 1;
7633                         }
7634                 }
7635
7636         }
7637
7638         if (vha->hw->flags.port_isolated) {
7639                 qla2x00_abort_isp_cleanup(vha);
7640                 return status;
7641         }
7642
7643         if (!status) {
7644                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
7645                 qla2x00_configure_hba(vha);
7646                 spin_lock_irqsave(&ha->vport_slock, flags);
7647                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7648                         if (vp->vp_idx) {
7649                                 atomic_inc(&vp->vref_count);
7650                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7651
7652                                 /* User may have updated [fcp|nvme] prefer in flash */
7653                                 list_for_each_entry(fcport, &vp->vp_fcports, list) {
7654                                         if (NVME_PRIORITY(ha, fcport))
7655                                                 fcport->do_prli_nvme = 1;
7656                                         else
7657                                                 fcport->do_prli_nvme = 0;
7658                                 }
7659
7660                                 qla2x00_vp_abort_isp(vp);
7661
7662                                 spin_lock_irqsave(&ha->vport_slock, flags);
7663                                 atomic_dec(&vp->vref_count);
7664                         }
7665                 }
7666                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7667
7668                 if (IS_QLA8031(ha)) {
7669                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
7670                             "Setting back fcoe driver presence.\n");
7671                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
7672                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
7673                                     "Error while setting DRV-Presence.\n");
7674                 }
7675         } else {
7676                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
7677                        __func__);
7678         }
7679
7680         return(status);
7681 }
7682
7683 /*
7684 *  qla2x00_restart_isp
7685 *      restarts the ISP after a reset
7686 *
7687 * Input:
7688 *      ha = adapter block pointer.
7689 *
7690 * Returns:
7691 *      0 = success
7692 */
7693 static int
7694 qla2x00_restart_isp(scsi_qla_host_t *vha)
7695 {
7696         int status;
7697         struct qla_hw_data *ha = vha->hw;
7698
7699         /* If firmware needs to be loaded */
7700         if (qla2x00_isp_firmware(vha)) {
7701                 vha->flags.online = 0;
7702                 status = ha->isp_ops->chip_diag(vha);
7703                 if (status)
7704                         return status;
7705                 status = qla2x00_setup_chip(vha);
7706                 if (status)
7707                         return status;
7708         }
7709
7710         status = qla2x00_init_rings(vha);
7711         if (status)
7712                 return status;
7713
7714         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7715         ha->flags.chip_reset_done = 1;
7716
7717         /* Initialize the queues in use */
7718         qla25xx_init_queues(ha);
7719
7720         status = qla2x00_fw_ready(vha);
7721         if (status) {
7722                 /* if no cable then assume it's good */
7723                 return vha->device_flags & DFLG_NO_CABLE ? 0 : status;
7724         }
7725
7726         /* Issue a marker after FW becomes ready. */
7727         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
7728         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7729
7730         return 0;
7731 }
7732
7733 static int
7734 qla25xx_init_queues(struct qla_hw_data *ha)
7735 {
7736         struct rsp_que *rsp = NULL;
7737         struct req_que *req = NULL;
7738         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7739         int ret = -1;
7740         int i;
7741
7742         for (i = 1; i < ha->max_rsp_queues; i++) {
7743                 rsp = ha->rsp_q_map[i];
7744                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
7745                         rsp->options &= ~BIT_0;
7746                         ret = qla25xx_init_rsp_que(base_vha, rsp);
7747                         if (ret != QLA_SUCCESS)
7748                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
7749                                     "%s Rsp que: %d init failed.\n",
7750                                     __func__, rsp->id);
7751                         else
7752                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
7753                                     "%s Rsp que: %d inited.\n",
7754                                     __func__, rsp->id);
7755                 }
7756         }
7757         for (i = 1; i < ha->max_req_queues; i++) {
7758                 req = ha->req_q_map[i];
7759                 if (req && test_bit(i, ha->req_qid_map)) {
7760                         /* Clear outstanding commands array. */
7761                         req->options &= ~BIT_0;
7762                         ret = qla25xx_init_req_que(base_vha, req);
7763                         if (ret != QLA_SUCCESS)
7764                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
7765                                     "%s Req que: %d init failed.\n",
7766                                     __func__, req->id);
7767                         else
7768                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
7769                                     "%s Req que: %d inited.\n",
7770                                     __func__, req->id);
7771                 }
7772         }
7773         return ret;
7774 }
7775
7776 /*
7777 * qla2x00_reset_adapter
7778 *      Reset adapter.
7779 *
7780 * Input:
7781 *      ha = adapter block pointer.
7782 */
7783 int
7784 qla2x00_reset_adapter(scsi_qla_host_t *vha)
7785 {
7786         unsigned long flags = 0;
7787         struct qla_hw_data *ha = vha->hw;
7788         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7789
7790         vha->flags.online = 0;
7791         ha->isp_ops->disable_intrs(ha);
7792
7793         spin_lock_irqsave(&ha->hardware_lock, flags);
7794         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
7795         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7796         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
7797         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7798         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7799
7800         return QLA_SUCCESS;
7801 }
7802
7803 int
7804 qla24xx_reset_adapter(scsi_qla_host_t *vha)
7805 {
7806         unsigned long flags = 0;
7807         struct qla_hw_data *ha = vha->hw;
7808         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
7809
7810         if (IS_P3P_TYPE(ha))
7811                 return QLA_SUCCESS;
7812
7813         vha->flags.online = 0;
7814         ha->isp_ops->disable_intrs(ha);
7815
7816         spin_lock_irqsave(&ha->hardware_lock, flags);
7817         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
7818         rd_reg_dword(&reg->hccr);
7819         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
7820         rd_reg_dword(&reg->hccr);
7821         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7822
7823         if (IS_NOPOLLING_TYPE(ha))
7824                 ha->isp_ops->enable_intrs(ha);
7825
7826         return QLA_SUCCESS;
7827 }
7828
7829 /* On sparc systems, obtain port and node WWN from firmware
7830  * properties.
7831  */
7832 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
7833         struct nvram_24xx *nv)
7834 {
7835 #ifdef CONFIG_SPARC
7836         struct qla_hw_data *ha = vha->hw;
7837         struct pci_dev *pdev = ha->pdev;
7838         struct device_node *dp = pci_device_to_OF_node(pdev);
7839         const u8 *val;
7840         int len;
7841
7842         val = of_get_property(dp, "port-wwn", &len);
7843         if (val && len >= WWN_SIZE)
7844                 memcpy(nv->port_name, val, WWN_SIZE);
7845
7846         val = of_get_property(dp, "node-wwn", &len);
7847         if (val && len >= WWN_SIZE)
7848                 memcpy(nv->node_name, val, WWN_SIZE);
7849 #endif
7850 }
7851
7852 int
7853 qla24xx_nvram_config(scsi_qla_host_t *vha)
7854 {
7855         int   rval;
7856         struct init_cb_24xx *icb;
7857         struct nvram_24xx *nv;
7858         __le32 *dptr;
7859         uint8_t  *dptr1, *dptr2;
7860         uint32_t chksum;
7861         uint16_t cnt;
7862         struct qla_hw_data *ha = vha->hw;
7863
7864         rval = QLA_SUCCESS;
7865         icb = (struct init_cb_24xx *)ha->init_cb;
7866         nv = ha->nvram;
7867
7868         /* Determine NVRAM starting address. */
7869         if (ha->port_no == 0) {
7870                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
7871                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
7872         } else {
7873                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7874                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
7875         }
7876
7877         ha->nvram_size = sizeof(*nv);
7878         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7879
7880         /* Get VPD data into cache */
7881         ha->vpd = ha->nvram + VPD_OFFSET;
7882         ha->isp_ops->read_nvram(vha, ha->vpd,
7883             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
7884
7885         /* Get NVRAM data into cache and calculate checksum. */
7886         dptr = (__force __le32 *)nv;
7887         ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size);
7888         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7889                 chksum += le32_to_cpu(*dptr);
7890
7891         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
7892             "Contents of NVRAM\n");
7893         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7894             nv, ha->nvram_size);
7895
7896         /* Bad NVRAM data, set defaults parameters. */
7897         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
7898             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
7899                 /* Reset NVRAM data. */
7900                 ql_log(ql_log_warn, vha, 0x006b,
7901                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
7902                     chksum, nv->id, nv->nvram_version);
7903                 ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv));
7904                 ql_log(ql_log_warn, vha, 0x006c,
7905                     "Falling back to functioning (yet invalid -- WWPN) "
7906                     "defaults.\n");
7907
7908                 /*
7909                  * Set default initialization control block.
7910                  */
7911                 memset(nv, 0, ha->nvram_size);
7912                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7913                 nv->version = cpu_to_le16(ICB_VERSION);
7914                 nv->frame_payload_size = cpu_to_le16(2048);
7915                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7916                 nv->exchange_count = cpu_to_le16(0);
7917                 nv->hard_address = cpu_to_le16(124);
7918                 nv->port_name[0] = 0x21;
7919                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7920                 nv->port_name[2] = 0x00;
7921                 nv->port_name[3] = 0xe0;
7922                 nv->port_name[4] = 0x8b;
7923                 nv->port_name[5] = 0x1c;
7924                 nv->port_name[6] = 0x55;
7925                 nv->port_name[7] = 0x86;
7926                 nv->node_name[0] = 0x20;
7927                 nv->node_name[1] = 0x00;
7928                 nv->node_name[2] = 0x00;
7929                 nv->node_name[3] = 0xe0;
7930                 nv->node_name[4] = 0x8b;
7931                 nv->node_name[5] = 0x1c;
7932                 nv->node_name[6] = 0x55;
7933                 nv->node_name[7] = 0x86;
7934                 qla24xx_nvram_wwn_from_ofw(vha, nv);
7935                 nv->login_retry_count = cpu_to_le16(8);
7936                 nv->interrupt_delay_timer = cpu_to_le16(0);
7937                 nv->login_timeout = cpu_to_le16(0);
7938                 nv->firmware_options_1 =
7939                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7940                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7941                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7942                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7943                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7944                 nv->efi_parameters = cpu_to_le32(0);
7945                 nv->reset_delay = 5;
7946                 nv->max_luns_per_target = cpu_to_le16(128);
7947                 nv->port_down_retry_count = cpu_to_le16(30);
7948                 nv->link_down_timeout = cpu_to_le16(30);
7949
7950                 rval = 1;
7951         }
7952
7953         if (qla_tgt_mode_enabled(vha)) {
7954                 /* Don't enable full login after initial LIP */
7955                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7956                 /* Don't enable LIP full login for initiator */
7957                 nv->host_p &= cpu_to_le32(~BIT_10);
7958         }
7959
7960         qlt_24xx_config_nvram_stage1(vha, nv);
7961
7962         /* Reset Initialization control block */
7963         memset(icb, 0, ha->init_cb_size);
7964
7965         /* Copy 1st segment. */
7966         dptr1 = (uint8_t *)icb;
7967         dptr2 = (uint8_t *)&nv->version;
7968         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7969         while (cnt--)
7970                 *dptr1++ = *dptr2++;
7971
7972         icb->login_retry_count = nv->login_retry_count;
7973         icb->link_down_on_nos = nv->link_down_on_nos;
7974
7975         /* Copy 2nd segment. */
7976         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7977         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7978         cnt = (uint8_t *)&icb->reserved_3 -
7979             (uint8_t *)&icb->interrupt_delay_timer;
7980         while (cnt--)
7981                 *dptr1++ = *dptr2++;
7982         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7983         /*
7984          * Setup driver NVRAM options.
7985          */
7986         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7987             "QLA2462");
7988
7989         qlt_24xx_config_nvram_stage2(vha, icb);
7990
7991         if (nv->host_p & cpu_to_le32(BIT_15)) {
7992                 /* Use alternate WWN? */
7993                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7994                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7995         }
7996
7997         /* Prepare nodename */
7998         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7999                 /*
8000                  * Firmware will apply the following mask if the nodename was
8001                  * not provided.
8002                  */
8003                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
8004                 icb->node_name[0] &= 0xF0;
8005         }
8006
8007         /* Set host adapter parameters. */
8008         ha->flags.disable_risc_code_load = 0;
8009         ha->flags.enable_lip_reset = 0;
8010         ha->flags.enable_lip_full_login =
8011             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
8012         ha->flags.enable_target_reset =
8013             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
8014         ha->flags.enable_led_scheme = 0;
8015         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
8016
8017         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
8018             (BIT_6 | BIT_5 | BIT_4)) >> 4;
8019
8020         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
8021             sizeof(ha->fw_seriallink_options24));
8022
8023         /* save HBA serial number */
8024         ha->serial0 = icb->port_name[5];
8025         ha->serial1 = icb->port_name[6];
8026         ha->serial2 = icb->port_name[7];
8027         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
8028         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
8029
8030         icb->execution_throttle = cpu_to_le16(0xFFFF);
8031
8032         ha->retry_count = le16_to_cpu(nv->login_retry_count);
8033
8034         /* Set minimum login_timeout to 4 seconds. */
8035         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
8036                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
8037         if (le16_to_cpu(nv->login_timeout) < 4)
8038                 nv->login_timeout = cpu_to_le16(4);
8039         ha->login_timeout = le16_to_cpu(nv->login_timeout);
8040
8041         /* Set minimum RATOV to 100 tenths of a second. */
8042         ha->r_a_tov = 100;
8043
8044         ha->loop_reset_delay = nv->reset_delay;
8045
8046         /* Link Down Timeout = 0:
8047          *
8048          *      When Port Down timer expires we will start returning
8049          *      I/O's to OS with "DID_NO_CONNECT".
8050          *
8051          * Link Down Timeout != 0:
8052          *
8053          *       The driver waits for the link to come up after link down
8054          *       before returning I/Os to OS with "DID_NO_CONNECT".
8055          */
8056         if (le16_to_cpu(nv->link_down_timeout) == 0) {
8057                 ha->loop_down_abort_time =
8058                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
8059         } else {
8060                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
8061                 ha->loop_down_abort_time =
8062                     (LOOP_DOWN_TIME - ha->link_down_timeout);
8063         }
8064
8065         /* Need enough time to try and get the port back. */
8066         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8067         if (qlport_down_retry)
8068                 ha->port_down_retry_count = qlport_down_retry;
8069
8070         /* Set login_retry_count */
8071         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8072         if (ha->port_down_retry_count ==
8073             le16_to_cpu(nv->port_down_retry_count) &&
8074             ha->port_down_retry_count > 3)
8075                 ha->login_retry_count = ha->port_down_retry_count;
8076         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8077                 ha->login_retry_count = ha->port_down_retry_count;
8078         if (ql2xloginretrycount)
8079                 ha->login_retry_count = ql2xloginretrycount;
8080
8081         /* N2N: driver will initiate Login instead of FW */
8082         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
8083
8084         /* Enable ZIO. */
8085         if (!vha->flags.init_done) {
8086                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8087                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8088                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8089                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
8090         }
8091         icb->firmware_options_2 &= cpu_to_le32(
8092             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8093         if (ha->zio_mode != QLA_ZIO_DISABLED) {
8094                 ha->zio_mode = QLA_ZIO_MODE_6;
8095
8096                 ql_log(ql_log_info, vha, 0x006f,
8097                     "ZIO mode %d enabled; timer delay (%d us).\n",
8098                     ha->zio_mode, ha->zio_timer * 100);
8099
8100                 icb->firmware_options_2 |= cpu_to_le32(
8101                     (uint32_t)ha->zio_mode);
8102                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8103         }
8104
8105         if (rval) {
8106                 ql_log(ql_log_warn, vha, 0x0070,
8107                     "NVRAM configuration failed.\n");
8108         }
8109         return (rval);
8110 }
8111
8112 static void
8113 qla27xx_print_image(struct scsi_qla_host *vha, char *name,
8114     struct qla27xx_image_status *image_status)
8115 {
8116         ql_dbg(ql_dbg_init, vha, 0x018b,
8117             "%s %s: mask=%#02x gen=%#04x ver=%u.%u map=%#01x sum=%#08x sig=%#08x\n",
8118             name, "status",
8119             image_status->image_status_mask,
8120             le16_to_cpu(image_status->generation),
8121             image_status->ver_major,
8122             image_status->ver_minor,
8123             image_status->bitmap,
8124             le32_to_cpu(image_status->checksum),
8125             le32_to_cpu(image_status->signature));
8126 }
8127
8128 static bool
8129 qla28xx_check_aux_image_status_signature(
8130     struct qla27xx_image_status *image_status)
8131 {
8132         ulong signature = le32_to_cpu(image_status->signature);
8133
8134         return signature != QLA28XX_AUX_IMG_STATUS_SIGN;
8135 }
8136
8137 static bool
8138 qla27xx_check_image_status_signature(struct qla27xx_image_status *image_status)
8139 {
8140         ulong signature = le32_to_cpu(image_status->signature);
8141
8142         return
8143             signature != QLA27XX_IMG_STATUS_SIGN &&
8144             signature != QLA28XX_IMG_STATUS_SIGN;
8145 }
8146
8147 static ulong
8148 qla27xx_image_status_checksum(struct qla27xx_image_status *image_status)
8149 {
8150         __le32 *p = (__force __le32 *)image_status;
8151         uint n = sizeof(*image_status) / sizeof(*p);
8152         uint32_t sum = 0;
8153
8154         for ( ; n--; p++)
8155                 sum += le32_to_cpup(p);
8156
8157         return sum;
8158 }
8159
8160 static inline uint
8161 qla28xx_component_bitmask(struct qla27xx_image_status *aux, uint bitmask)
8162 {
8163         return aux->bitmap & bitmask ?
8164             QLA27XX_SECONDARY_IMAGE : QLA27XX_PRIMARY_IMAGE;
8165 }
8166
8167 static void
8168 qla28xx_component_status(
8169     struct active_regions *active_regions, struct qla27xx_image_status *aux)
8170 {
8171         active_regions->aux.board_config =
8172             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_BOARD_CONFIG);
8173
8174         active_regions->aux.vpd_nvram =
8175             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_VPD_NVRAM);
8176
8177         active_regions->aux.npiv_config_0_1 =
8178             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_0_1);
8179
8180         active_regions->aux.npiv_config_2_3 =
8181             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_2_3);
8182
8183         active_regions->aux.nvme_params =
8184             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NVME_PARAMS);
8185 }
8186
8187 static int
8188 qla27xx_compare_image_generation(
8189     struct qla27xx_image_status *pri_image_status,
8190     struct qla27xx_image_status *sec_image_status)
8191 {
8192         /* calculate generation delta as uint16 (this accounts for wrap) */
8193         int16_t delta =
8194             le16_to_cpu(pri_image_status->generation) -
8195             le16_to_cpu(sec_image_status->generation);
8196
8197         ql_dbg(ql_dbg_init, NULL, 0x0180, "generation delta = %d\n", delta);
8198
8199         return delta;
8200 }
8201
8202 void
8203 qla28xx_get_aux_images(
8204         struct scsi_qla_host *vha, struct active_regions *active_regions)
8205 {
8206         struct qla_hw_data *ha = vha->hw;
8207         struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status;
8208         bool valid_pri_image = false, valid_sec_image = false;
8209         bool active_pri_image = false, active_sec_image = false;
8210
8211         if (!ha->flt_region_aux_img_status_pri) {
8212                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n");
8213                 goto check_sec_image;
8214         }
8215
8216         qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status,
8217             ha->flt_region_aux_img_status_pri,
8218             sizeof(pri_aux_image_status) >> 2);
8219         qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status);
8220
8221         if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) {
8222                 ql_dbg(ql_dbg_init, vha, 0x018b,
8223                     "Primary aux image signature (%#x) not valid\n",
8224                     le32_to_cpu(pri_aux_image_status.signature));
8225                 goto check_sec_image;
8226         }
8227
8228         if (qla27xx_image_status_checksum(&pri_aux_image_status)) {
8229                 ql_dbg(ql_dbg_init, vha, 0x018c,
8230                     "Primary aux image checksum failed\n");
8231                 goto check_sec_image;
8232         }
8233
8234         valid_pri_image = true;
8235
8236         if (pri_aux_image_status.image_status_mask & 1) {
8237                 ql_dbg(ql_dbg_init, vha, 0x018d,
8238                     "Primary aux image is active\n");
8239                 active_pri_image = true;
8240         }
8241
8242 check_sec_image:
8243         if (!ha->flt_region_aux_img_status_sec) {
8244                 ql_dbg(ql_dbg_init, vha, 0x018a,
8245                     "Secondary aux image not addressed\n");
8246                 goto check_valid_image;
8247         }
8248
8249         qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status,
8250             ha->flt_region_aux_img_status_sec,
8251             sizeof(sec_aux_image_status) >> 2);
8252         qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status);
8253
8254         if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) {
8255                 ql_dbg(ql_dbg_init, vha, 0x018b,
8256                     "Secondary aux image signature (%#x) not valid\n",
8257                     le32_to_cpu(sec_aux_image_status.signature));
8258                 goto check_valid_image;
8259         }
8260
8261         if (qla27xx_image_status_checksum(&sec_aux_image_status)) {
8262                 ql_dbg(ql_dbg_init, vha, 0x018c,
8263                     "Secondary aux image checksum failed\n");
8264                 goto check_valid_image;
8265         }
8266
8267         valid_sec_image = true;
8268
8269         if (sec_aux_image_status.image_status_mask & 1) {
8270                 ql_dbg(ql_dbg_init, vha, 0x018d,
8271                     "Secondary aux image is active\n");
8272                 active_sec_image = true;
8273         }
8274
8275 check_valid_image:
8276         if (valid_pri_image && active_pri_image &&
8277             valid_sec_image && active_sec_image) {
8278                 if (qla27xx_compare_image_generation(&pri_aux_image_status,
8279                     &sec_aux_image_status) >= 0) {
8280                         qla28xx_component_status(active_regions,
8281                             &pri_aux_image_status);
8282                 } else {
8283                         qla28xx_component_status(active_regions,
8284                             &sec_aux_image_status);
8285                 }
8286         } else if (valid_pri_image && active_pri_image) {
8287                 qla28xx_component_status(active_regions, &pri_aux_image_status);
8288         } else if (valid_sec_image && active_sec_image) {
8289                 qla28xx_component_status(active_regions, &sec_aux_image_status);
8290         }
8291
8292         ql_dbg(ql_dbg_init, vha, 0x018f,
8293             "aux images active: BCFG=%u VPD/NVR=%u NPIV0/1=%u NPIV2/3=%u, NVME=%u\n",
8294             active_regions->aux.board_config,
8295             active_regions->aux.vpd_nvram,
8296             active_regions->aux.npiv_config_0_1,
8297             active_regions->aux.npiv_config_2_3,
8298             active_regions->aux.nvme_params);
8299 }
8300
8301 void
8302 qla27xx_get_active_image(struct scsi_qla_host *vha,
8303     struct active_regions *active_regions)
8304 {
8305         struct qla_hw_data *ha = vha->hw;
8306         struct qla27xx_image_status pri_image_status, sec_image_status;
8307         bool valid_pri_image = false, valid_sec_image = false;
8308         bool active_pri_image = false, active_sec_image = false;
8309
8310         if (!ha->flt_region_img_status_pri) {
8311                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n");
8312                 goto check_sec_image;
8313         }
8314
8315         if (qla24xx_read_flash_data(vha, (uint32_t *)&pri_image_status,
8316             ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) !=
8317             QLA_SUCCESS) {
8318                 WARN_ON_ONCE(true);
8319                 goto check_sec_image;
8320         }
8321         qla27xx_print_image(vha, "Primary image", &pri_image_status);
8322
8323         if (qla27xx_check_image_status_signature(&pri_image_status)) {
8324                 ql_dbg(ql_dbg_init, vha, 0x018b,
8325                     "Primary image signature (%#x) not valid\n",
8326                     le32_to_cpu(pri_image_status.signature));
8327                 goto check_sec_image;
8328         }
8329
8330         if (qla27xx_image_status_checksum(&pri_image_status)) {
8331                 ql_dbg(ql_dbg_init, vha, 0x018c,
8332                     "Primary image checksum failed\n");
8333                 goto check_sec_image;
8334         }
8335
8336         valid_pri_image = true;
8337
8338         if (pri_image_status.image_status_mask & 1) {
8339                 ql_dbg(ql_dbg_init, vha, 0x018d,
8340                     "Primary image is active\n");
8341                 active_pri_image = true;
8342         }
8343
8344 check_sec_image:
8345         if (!ha->flt_region_img_status_sec) {
8346                 ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n");
8347                 goto check_valid_image;
8348         }
8349
8350         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
8351             ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2);
8352         qla27xx_print_image(vha, "Secondary image", &sec_image_status);
8353
8354         if (qla27xx_check_image_status_signature(&sec_image_status)) {
8355                 ql_dbg(ql_dbg_init, vha, 0x018b,
8356                     "Secondary image signature (%#x) not valid\n",
8357                     le32_to_cpu(sec_image_status.signature));
8358                 goto check_valid_image;
8359         }
8360
8361         if (qla27xx_image_status_checksum(&sec_image_status)) {
8362                 ql_dbg(ql_dbg_init, vha, 0x018c,
8363                     "Secondary image checksum failed\n");
8364                 goto check_valid_image;
8365         }
8366
8367         valid_sec_image = true;
8368
8369         if (sec_image_status.image_status_mask & 1) {
8370                 ql_dbg(ql_dbg_init, vha, 0x018d,
8371                     "Secondary image is active\n");
8372                 active_sec_image = true;
8373         }
8374
8375 check_valid_image:
8376         if (valid_pri_image && active_pri_image)
8377                 active_regions->global = QLA27XX_PRIMARY_IMAGE;
8378
8379         if (valid_sec_image && active_sec_image) {
8380                 if (!active_regions->global ||
8381                     qla27xx_compare_image_generation(
8382                         &pri_image_status, &sec_image_status) < 0) {
8383                         active_regions->global = QLA27XX_SECONDARY_IMAGE;
8384                 }
8385         }
8386
8387         ql_dbg(ql_dbg_init, vha, 0x018f, "active image %s (%u)\n",
8388             active_regions->global == QLA27XX_DEFAULT_IMAGE ?
8389                 "default (boot/fw)" :
8390             active_regions->global == QLA27XX_PRIMARY_IMAGE ?
8391                 "primary" :
8392             active_regions->global == QLA27XX_SECONDARY_IMAGE ?
8393                 "secondary" : "invalid",
8394             active_regions->global);
8395 }
8396
8397 bool qla24xx_risc_firmware_invalid(uint32_t *dword)
8398 {
8399         return
8400             !(dword[4] | dword[5] | dword[6] | dword[7]) ||
8401             !(~dword[4] | ~dword[5] | ~dword[6] | ~dword[7]);
8402 }
8403
8404 static int
8405 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
8406     uint32_t faddr)
8407 {
8408         int rval;
8409         uint templates, segments, fragment;
8410         ulong i;
8411         uint j;
8412         ulong dlen;
8413         uint32_t *dcode;
8414         uint32_t risc_addr, risc_size, risc_attr = 0;
8415         struct qla_hw_data *ha = vha->hw;
8416         struct req_que *req = ha->req_q_map[0];
8417         struct fwdt *fwdt = ha->fwdt;
8418
8419         ql_dbg(ql_dbg_init, vha, 0x008b,
8420             "FW: Loading firmware from flash (%x).\n", faddr);
8421
8422         dcode = (uint32_t *)req->ring;
8423         qla24xx_read_flash_data(vha, dcode, faddr, 8);
8424         if (qla24xx_risc_firmware_invalid(dcode)) {
8425                 ql_log(ql_log_fatal, vha, 0x008c,
8426                     "Unable to verify the integrity of flash firmware "
8427                     "image.\n");
8428                 ql_log(ql_log_fatal, vha, 0x008d,
8429                     "Firmware data: %08x %08x %08x %08x.\n",
8430                     dcode[0], dcode[1], dcode[2], dcode[3]);
8431
8432                 return QLA_FUNCTION_FAILED;
8433         }
8434
8435         dcode = (uint32_t *)req->ring;
8436         *srisc_addr = 0;
8437         segments = FA_RISC_CODE_SEGMENTS;
8438         for (j = 0; j < segments; j++) {
8439                 ql_dbg(ql_dbg_init, vha, 0x008d,
8440                     "-> Loading segment %u...\n", j);
8441                 qla24xx_read_flash_data(vha, dcode, faddr, 10);
8442                 risc_addr = be32_to_cpu((__force __be32)dcode[2]);
8443                 risc_size = be32_to_cpu((__force __be32)dcode[3]);
8444                 if (!*srisc_addr) {
8445                         *srisc_addr = risc_addr;
8446                         risc_attr = be32_to_cpu((__force __be32)dcode[9]);
8447                 }
8448
8449                 dlen = ha->fw_transfer_size >> 2;
8450                 for (fragment = 0; risc_size; fragment++) {
8451                         if (dlen > risc_size)
8452                                 dlen = risc_size;
8453
8454                         ql_dbg(ql_dbg_init, vha, 0x008e,
8455                             "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n",
8456                             fragment, risc_addr, faddr, dlen);
8457                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
8458                         for (i = 0; i < dlen; i++)
8459                                 dcode[i] = swab32(dcode[i]);
8460
8461                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8462                         if (rval) {
8463                                 ql_log(ql_log_fatal, vha, 0x008f,
8464                                     "-> Failed load firmware fragment %u.\n",
8465                                     fragment);
8466                                 return QLA_FUNCTION_FAILED;
8467                         }
8468
8469                         faddr += dlen;
8470                         risc_addr += dlen;
8471                         risc_size -= dlen;
8472                 }
8473         }
8474
8475         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8476                 return QLA_SUCCESS;
8477
8478         templates = (risc_attr & BIT_9) ? 2 : 1;
8479         ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates);
8480         for (j = 0; j < templates; j++, fwdt++) {
8481                 vfree(fwdt->template);
8482                 fwdt->template = NULL;
8483                 fwdt->length = 0;
8484
8485                 dcode = (uint32_t *)req->ring;
8486                 qla24xx_read_flash_data(vha, dcode, faddr, 7);
8487                 risc_size = be32_to_cpu((__force __be32)dcode[2]);
8488                 ql_dbg(ql_dbg_init, vha, 0x0161,
8489                     "-> fwdt%u template array at %#x (%#x dwords)\n",
8490                     j, faddr, risc_size);
8491                 if (!risc_size || !~risc_size) {
8492                         ql_dbg(ql_dbg_init, vha, 0x0162,
8493                             "-> fwdt%u failed to read array\n", j);
8494                         goto failed;
8495                 }
8496
8497                 /* skip header and ignore checksum */
8498                 faddr += 7;
8499                 risc_size -= 8;
8500
8501                 ql_dbg(ql_dbg_init, vha, 0x0163,
8502                     "-> fwdt%u template allocate template %#x words...\n",
8503                     j, risc_size);
8504                 fwdt->template = vmalloc_array(risc_size, sizeof(*dcode));
8505                 if (!fwdt->template) {
8506                         ql_log(ql_log_warn, vha, 0x0164,
8507                             "-> fwdt%u failed allocate template.\n", j);
8508                         goto failed;
8509                 }
8510
8511                 dcode = fwdt->template;
8512                 qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
8513
8514                 if (!qla27xx_fwdt_template_valid(dcode)) {
8515                         ql_log(ql_log_warn, vha, 0x0165,
8516                             "-> fwdt%u failed template validate\n", j);
8517                         goto failed;
8518                 }
8519
8520                 dlen = qla27xx_fwdt_template_size(dcode);
8521                 ql_dbg(ql_dbg_init, vha, 0x0166,
8522                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8523                     j, dlen, dlen / sizeof(*dcode));
8524                 if (dlen > risc_size * sizeof(*dcode)) {
8525                         ql_log(ql_log_warn, vha, 0x0167,
8526                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
8527                             j, dlen - risc_size * sizeof(*dcode));
8528                         goto failed;
8529                 }
8530
8531                 fwdt->length = dlen;
8532                 ql_dbg(ql_dbg_init, vha, 0x0168,
8533                     "-> fwdt%u loaded template ok\n", j);
8534
8535                 faddr += risc_size + 1;
8536         }
8537
8538         return QLA_SUCCESS;
8539
8540 failed:
8541         vfree(fwdt->template);
8542         fwdt->template = NULL;
8543         fwdt->length = 0;
8544
8545         return QLA_SUCCESS;
8546 }
8547
8548 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
8549
8550 int
8551 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8552 {
8553         int     rval;
8554         int     i, fragment;
8555         uint16_t *wcode;
8556         __be16   *fwcode;
8557         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
8558         struct fw_blob *blob;
8559         struct qla_hw_data *ha = vha->hw;
8560         struct req_que *req = ha->req_q_map[0];
8561
8562         /* Load firmware blob. */
8563         blob = qla2x00_request_firmware(vha);
8564         if (!blob) {
8565                 ql_log(ql_log_info, vha, 0x0083,
8566                     "Firmware image unavailable.\n");
8567                 ql_log(ql_log_info, vha, 0x0084,
8568                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
8569                 return QLA_FUNCTION_FAILED;
8570         }
8571
8572         rval = QLA_SUCCESS;
8573
8574         wcode = (uint16_t *)req->ring;
8575         *srisc_addr = 0;
8576         fwcode = (__force __be16 *)blob->fw->data;
8577         fwclen = 0;
8578
8579         /* Validate firmware image by checking version. */
8580         if (blob->fw->size < 8 * sizeof(uint16_t)) {
8581                 ql_log(ql_log_fatal, vha, 0x0085,
8582                     "Unable to verify integrity of firmware image (%zd).\n",
8583                     blob->fw->size);
8584                 goto fail_fw_integrity;
8585         }
8586         for (i = 0; i < 4; i++)
8587                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
8588         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
8589             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
8590                 wcode[2] == 0 && wcode[3] == 0)) {
8591                 ql_log(ql_log_fatal, vha, 0x0086,
8592                     "Unable to verify integrity of firmware image.\n");
8593                 ql_log(ql_log_fatal, vha, 0x0087,
8594                     "Firmware data: %04x %04x %04x %04x.\n",
8595                     wcode[0], wcode[1], wcode[2], wcode[3]);
8596                 goto fail_fw_integrity;
8597         }
8598
8599         seg = blob->segs;
8600         while (*seg && rval == QLA_SUCCESS) {
8601                 risc_addr = *seg;
8602                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
8603                 risc_size = be16_to_cpu(fwcode[3]);
8604
8605                 /* Validate firmware image size. */
8606                 fwclen += risc_size * sizeof(uint16_t);
8607                 if (blob->fw->size < fwclen) {
8608                         ql_log(ql_log_fatal, vha, 0x0088,
8609                             "Unable to verify integrity of firmware image "
8610                             "(%zd).\n", blob->fw->size);
8611                         goto fail_fw_integrity;
8612                 }
8613
8614                 fragment = 0;
8615                 while (risc_size > 0 && rval == QLA_SUCCESS) {
8616                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
8617                         if (wlen > risc_size)
8618                                 wlen = risc_size;
8619                         ql_dbg(ql_dbg_init, vha, 0x0089,
8620                             "Loading risc segment@ risc addr %x number of "
8621                             "words 0x%x.\n", risc_addr, wlen);
8622
8623                         for (i = 0; i < wlen; i++)
8624                                 wcode[i] = swab16((__force u32)fwcode[i]);
8625
8626                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
8627                             wlen);
8628                         if (rval) {
8629                                 ql_log(ql_log_fatal, vha, 0x008a,
8630                                     "Failed to load segment %d of firmware.\n",
8631                                     fragment);
8632                                 break;
8633                         }
8634
8635                         fwcode += wlen;
8636                         risc_addr += wlen;
8637                         risc_size -= wlen;
8638                         fragment++;
8639                 }
8640
8641                 /* Next segment. */
8642                 seg++;
8643         }
8644         return rval;
8645
8646 fail_fw_integrity:
8647         return QLA_FUNCTION_FAILED;
8648 }
8649
8650 static int
8651 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8652 {
8653         int     rval;
8654         uint templates, segments, fragment;
8655         uint32_t *dcode;
8656         ulong dlen;
8657         uint32_t risc_addr, risc_size, risc_attr = 0;
8658         ulong i;
8659         uint j;
8660         struct fw_blob *blob;
8661         __be32 *fwcode;
8662         struct qla_hw_data *ha = vha->hw;
8663         struct req_que *req = ha->req_q_map[0];
8664         struct fwdt *fwdt = ha->fwdt;
8665
8666         ql_dbg(ql_dbg_init, vha, 0x0090,
8667             "-> FW: Loading via request-firmware.\n");
8668
8669         blob = qla2x00_request_firmware(vha);
8670         if (!blob) {
8671                 ql_log(ql_log_warn, vha, 0x0092,
8672                     "-> Firmware file not found.\n");
8673
8674                 return QLA_FUNCTION_FAILED;
8675         }
8676
8677         fwcode = (__force __be32 *)blob->fw->data;
8678         dcode = (__force uint32_t *)fwcode;
8679         if (qla24xx_risc_firmware_invalid(dcode)) {
8680                 ql_log(ql_log_fatal, vha, 0x0093,
8681                     "Unable to verify integrity of firmware image (%zd).\n",
8682                     blob->fw->size);
8683                 ql_log(ql_log_fatal, vha, 0x0095,
8684                     "Firmware data: %08x %08x %08x %08x.\n",
8685                     dcode[0], dcode[1], dcode[2], dcode[3]);
8686                 return QLA_FUNCTION_FAILED;
8687         }
8688
8689         dcode = (uint32_t *)req->ring;
8690         *srisc_addr = 0;
8691         segments = FA_RISC_CODE_SEGMENTS;
8692         for (j = 0; j < segments; j++) {
8693                 ql_dbg(ql_dbg_init, vha, 0x0096,
8694                     "-> Loading segment %u...\n", j);
8695                 risc_addr = be32_to_cpu(fwcode[2]);
8696                 risc_size = be32_to_cpu(fwcode[3]);
8697
8698                 if (!*srisc_addr) {
8699                         *srisc_addr = risc_addr;
8700                         risc_attr = be32_to_cpu(fwcode[9]);
8701                 }
8702
8703                 dlen = ha->fw_transfer_size >> 2;
8704                 for (fragment = 0; risc_size; fragment++) {
8705                         if (dlen > risc_size)
8706                                 dlen = risc_size;
8707
8708                         ql_dbg(ql_dbg_init, vha, 0x0097,
8709                             "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n",
8710                             fragment, risc_addr,
8711                             (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data),
8712                             dlen);
8713
8714                         for (i = 0; i < dlen; i++)
8715                                 dcode[i] = swab32((__force u32)fwcode[i]);
8716
8717                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8718                         if (rval) {
8719                                 ql_log(ql_log_fatal, vha, 0x0098,
8720                                     "-> Failed load firmware fragment %u.\n",
8721                                     fragment);
8722                                 return QLA_FUNCTION_FAILED;
8723                         }
8724
8725                         fwcode += dlen;
8726                         risc_addr += dlen;
8727                         risc_size -= dlen;
8728                 }
8729         }
8730
8731         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8732                 return QLA_SUCCESS;
8733
8734         templates = (risc_attr & BIT_9) ? 2 : 1;
8735         ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates);
8736         for (j = 0; j < templates; j++, fwdt++) {
8737                 vfree(fwdt->template);
8738                 fwdt->template = NULL;
8739                 fwdt->length = 0;
8740
8741                 risc_size = be32_to_cpu(fwcode[2]);
8742                 ql_dbg(ql_dbg_init, vha, 0x0171,
8743                     "-> fwdt%u template array at %#x (%#x dwords)\n",
8744                     j, (uint32_t)((void *)fwcode - (void *)blob->fw->data),
8745                     risc_size);
8746                 if (!risc_size || !~risc_size) {
8747                         ql_dbg(ql_dbg_init, vha, 0x0172,
8748                             "-> fwdt%u failed to read array\n", j);
8749                         goto failed;
8750                 }
8751
8752                 /* skip header and ignore checksum */
8753                 fwcode += 7;
8754                 risc_size -= 8;
8755
8756                 ql_dbg(ql_dbg_init, vha, 0x0173,
8757                     "-> fwdt%u template allocate template %#x words...\n",
8758                     j, risc_size);
8759                 fwdt->template = vmalloc_array(risc_size, sizeof(*dcode));
8760                 if (!fwdt->template) {
8761                         ql_log(ql_log_warn, vha, 0x0174,
8762                             "-> fwdt%u failed allocate template.\n", j);
8763                         goto failed;
8764                 }
8765
8766                 dcode = fwdt->template;
8767                 for (i = 0; i < risc_size; i++)
8768                         dcode[i] = (__force u32)fwcode[i];
8769
8770                 if (!qla27xx_fwdt_template_valid(dcode)) {
8771                         ql_log(ql_log_warn, vha, 0x0175,
8772                             "-> fwdt%u failed template validate\n", j);
8773                         goto failed;
8774                 }
8775
8776                 dlen = qla27xx_fwdt_template_size(dcode);
8777                 ql_dbg(ql_dbg_init, vha, 0x0176,
8778                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8779                     j, dlen, dlen / sizeof(*dcode));
8780                 if (dlen > risc_size * sizeof(*dcode)) {
8781                         ql_log(ql_log_warn, vha, 0x0177,
8782                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
8783                             j, dlen - risc_size * sizeof(*dcode));
8784                         goto failed;
8785                 }
8786
8787                 fwdt->length = dlen;
8788                 ql_dbg(ql_dbg_init, vha, 0x0178,
8789                     "-> fwdt%u loaded template ok\n", j);
8790
8791                 fwcode += risc_size + 1;
8792         }
8793
8794         return QLA_SUCCESS;
8795
8796 failed:
8797         vfree(fwdt->template);
8798         fwdt->template = NULL;
8799         fwdt->length = 0;
8800
8801         return QLA_SUCCESS;
8802 }
8803
8804 int
8805 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8806 {
8807         int rval;
8808
8809         if (ql2xfwloadbin == 1)
8810                 return qla81xx_load_risc(vha, srisc_addr);
8811
8812         /*
8813          * FW Load priority:
8814          * 1) Firmware via request-firmware interface (.bin file).
8815          * 2) Firmware residing in flash.
8816          */
8817         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8818         if (rval == QLA_SUCCESS)
8819                 return rval;
8820
8821         return qla24xx_load_risc_flash(vha, srisc_addr,
8822             vha->hw->flt_region_fw);
8823 }
8824
8825 int
8826 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8827 {
8828         int rval;
8829         struct qla_hw_data *ha = vha->hw;
8830         struct active_regions active_regions = { };
8831
8832         if (ql2xfwloadbin == 2)
8833                 goto try_blob_fw;
8834
8835         /* FW Load priority:
8836          * 1) Firmware residing in flash.
8837          * 2) Firmware via request-firmware interface (.bin file).
8838          * 3) Golden-Firmware residing in flash -- (limited operation).
8839          */
8840
8841         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8842                 goto try_primary_fw;
8843
8844         qla27xx_get_active_image(vha, &active_regions);
8845
8846         if (active_regions.global != QLA27XX_SECONDARY_IMAGE)
8847                 goto try_primary_fw;
8848
8849         ql_dbg(ql_dbg_init, vha, 0x008b,
8850             "Loading secondary firmware image.\n");
8851         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw_sec);
8852         if (!rval)
8853                 return rval;
8854
8855 try_primary_fw:
8856         ql_dbg(ql_dbg_init, vha, 0x008b,
8857             "Loading primary firmware image.\n");
8858         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
8859         if (!rval)
8860                 return rval;
8861
8862 try_blob_fw:
8863         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8864         if (!rval || !ha->flt_region_gold_fw)
8865                 return rval;
8866
8867         ql_log(ql_log_info, vha, 0x0099,
8868             "Attempting to fallback to golden firmware.\n");
8869         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
8870         if (rval)
8871                 return rval;
8872
8873         ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n");
8874         ha->flags.running_gold_fw = 1;
8875         return rval;
8876 }
8877
8878 void
8879 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
8880 {
8881         int ret, retries;
8882         struct qla_hw_data *ha = vha->hw;
8883
8884         if (ha->flags.pci_channel_io_perm_failure)
8885                 return;
8886         if (!IS_FWI2_CAPABLE(ha))
8887                 return;
8888         if (!ha->fw_major_version)
8889                 return;
8890         if (!ha->flags.fw_started)
8891                 return;
8892
8893         ret = qla2x00_stop_firmware(vha);
8894         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
8895             ret != QLA_INVALID_COMMAND && retries ; retries--) {
8896                 ha->isp_ops->reset_chip(vha);
8897                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
8898                         continue;
8899                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
8900                         continue;
8901                 ql_log(ql_log_info, vha, 0x8015,
8902                     "Attempting retry of stop-firmware command.\n");
8903                 ret = qla2x00_stop_firmware(vha);
8904         }
8905
8906         QLA_FW_STOPPED(ha);
8907         ha->flags.fw_init_done = 0;
8908 }
8909
8910 int
8911 qla24xx_configure_vhba(scsi_qla_host_t *vha)
8912 {
8913         int rval = QLA_SUCCESS;
8914         int rval2;
8915         uint16_t mb[MAILBOX_REGISTER_COUNT];
8916         struct qla_hw_data *ha = vha->hw;
8917         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
8918
8919         if (!vha->vp_idx)
8920                 return -EINVAL;
8921
8922         rval = qla2x00_fw_ready(base_vha);
8923
8924         if (rval == QLA_SUCCESS) {
8925                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8926                 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8927         }
8928
8929         vha->flags.management_server_logged_in = 0;
8930
8931         /* Login to SNS first */
8932         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
8933             BIT_1);
8934         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
8935                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
8936                         ql_dbg(ql_dbg_init, vha, 0x0120,
8937                             "Failed SNS login: loop_id=%x, rval2=%d\n",
8938                             NPH_SNS, rval2);
8939                 else
8940                         ql_dbg(ql_dbg_init, vha, 0x0103,
8941                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
8942                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
8943                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
8944                 return (QLA_FUNCTION_FAILED);
8945         }
8946
8947         atomic_set(&vha->loop_down_timer, 0);
8948         atomic_set(&vha->loop_state, LOOP_UP);
8949         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8950         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
8951         rval = qla2x00_loop_resync(base_vha);
8952
8953         return rval;
8954 }
8955
8956 /* 84XX Support **************************************************************/
8957
8958 static LIST_HEAD(qla_cs84xx_list);
8959 static DEFINE_MUTEX(qla_cs84xx_mutex);
8960
8961 static struct qla_chip_state_84xx *
8962 qla84xx_get_chip(struct scsi_qla_host *vha)
8963 {
8964         struct qla_chip_state_84xx *cs84xx;
8965         struct qla_hw_data *ha = vha->hw;
8966
8967         mutex_lock(&qla_cs84xx_mutex);
8968
8969         /* Find any shared 84xx chip. */
8970         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
8971                 if (cs84xx->bus == ha->pdev->bus) {
8972                         kref_get(&cs84xx->kref);
8973                         goto done;
8974                 }
8975         }
8976
8977         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
8978         if (!cs84xx)
8979                 goto done;
8980
8981         kref_init(&cs84xx->kref);
8982         spin_lock_init(&cs84xx->access_lock);
8983         mutex_init(&cs84xx->fw_update_mutex);
8984         cs84xx->bus = ha->pdev->bus;
8985
8986         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
8987 done:
8988         mutex_unlock(&qla_cs84xx_mutex);
8989         return cs84xx;
8990 }
8991
8992 static void
8993 __qla84xx_chip_release(struct kref *kref)
8994 {
8995         struct qla_chip_state_84xx *cs84xx =
8996             container_of(kref, struct qla_chip_state_84xx, kref);
8997
8998         mutex_lock(&qla_cs84xx_mutex);
8999         list_del(&cs84xx->list);
9000         mutex_unlock(&qla_cs84xx_mutex);
9001         kfree(cs84xx);
9002 }
9003
9004 void
9005 qla84xx_put_chip(struct scsi_qla_host *vha)
9006 {
9007         struct qla_hw_data *ha = vha->hw;
9008
9009         if (ha->cs84xx)
9010                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
9011 }
9012
9013 static int
9014 qla84xx_init_chip(scsi_qla_host_t *vha)
9015 {
9016         int rval;
9017         uint16_t status[2];
9018         struct qla_hw_data *ha = vha->hw;
9019
9020         mutex_lock(&ha->cs84xx->fw_update_mutex);
9021
9022         rval = qla84xx_verify_chip(vha, status);
9023
9024         mutex_unlock(&ha->cs84xx->fw_update_mutex);
9025
9026         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED :
9027             QLA_SUCCESS;
9028 }
9029
9030 /* 81XX Support **************************************************************/
9031
9032 int
9033 qla81xx_nvram_config(scsi_qla_host_t *vha)
9034 {
9035         int   rval;
9036         struct init_cb_81xx *icb;
9037         struct nvram_81xx *nv;
9038         __le32 *dptr;
9039         uint8_t  *dptr1, *dptr2;
9040         uint32_t chksum;
9041         uint16_t cnt;
9042         struct qla_hw_data *ha = vha->hw;
9043         uint32_t faddr;
9044         struct active_regions active_regions = { };
9045
9046         rval = QLA_SUCCESS;
9047         icb = (struct init_cb_81xx *)ha->init_cb;
9048         nv = ha->nvram;
9049
9050         /* Determine NVRAM starting address. */
9051         ha->nvram_size = sizeof(*nv);
9052         ha->vpd_size = FA_NVRAM_VPD_SIZE;
9053         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
9054                 ha->vpd_size = FA_VPD_SIZE_82XX;
9055
9056         if (IS_QLA28XX(ha) || IS_QLA27XX(ha))
9057                 qla28xx_get_aux_images(vha, &active_regions);
9058
9059         /* Get VPD data into cache */
9060         ha->vpd = ha->nvram + VPD_OFFSET;
9061
9062         faddr = ha->flt_region_vpd;
9063         if (IS_QLA28XX(ha)) {
9064                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
9065                         faddr = ha->flt_region_vpd_sec;
9066                 ql_dbg(ql_dbg_init, vha, 0x0110,
9067                     "Loading %s nvram image.\n",
9068                     active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
9069                     "primary" : "secondary");
9070         }
9071         ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size);
9072
9073         /* Get NVRAM data into cache and calculate checksum. */
9074         faddr = ha->flt_region_nvram;
9075         if (IS_QLA28XX(ha)) {
9076                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
9077                         faddr = ha->flt_region_nvram_sec;
9078         }
9079         ql_dbg(ql_dbg_init, vha, 0x0110,
9080             "Loading %s nvram image.\n",
9081             active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
9082             "primary" : "secondary");
9083         ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
9084
9085         dptr = (__force __le32 *)nv;
9086         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
9087                 chksum += le32_to_cpu(*dptr);
9088
9089         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
9090             "Contents of NVRAM:\n");
9091         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
9092             nv, ha->nvram_size);
9093
9094         /* Bad NVRAM data, set defaults parameters. */
9095         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
9096             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
9097                 /* Reset NVRAM data. */
9098                 ql_log(ql_log_info, vha, 0x0073,
9099                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
9100                     chksum, nv->id, le16_to_cpu(nv->nvram_version));
9101                 ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv));
9102                 ql_log(ql_log_info, vha, 0x0074,
9103                     "Falling back to functioning (yet invalid -- WWPN) "
9104                     "defaults.\n");
9105
9106                 /*
9107                  * Set default initialization control block.
9108                  */
9109                 memset(nv, 0, ha->nvram_size);
9110                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
9111                 nv->version = cpu_to_le16(ICB_VERSION);
9112                 nv->frame_payload_size = cpu_to_le16(2048);
9113                 nv->execution_throttle = cpu_to_le16(0xFFFF);
9114                 nv->exchange_count = cpu_to_le16(0);
9115                 nv->port_name[0] = 0x21;
9116                 nv->port_name[1] = 0x00 + ha->port_no + 1;
9117                 nv->port_name[2] = 0x00;
9118                 nv->port_name[3] = 0xe0;
9119                 nv->port_name[4] = 0x8b;
9120                 nv->port_name[5] = 0x1c;
9121                 nv->port_name[6] = 0x55;
9122                 nv->port_name[7] = 0x86;
9123                 nv->node_name[0] = 0x20;
9124                 nv->node_name[1] = 0x00;
9125                 nv->node_name[2] = 0x00;
9126                 nv->node_name[3] = 0xe0;
9127                 nv->node_name[4] = 0x8b;
9128                 nv->node_name[5] = 0x1c;
9129                 nv->node_name[6] = 0x55;
9130                 nv->node_name[7] = 0x86;
9131                 nv->login_retry_count = cpu_to_le16(8);
9132                 nv->interrupt_delay_timer = cpu_to_le16(0);
9133                 nv->login_timeout = cpu_to_le16(0);
9134                 nv->firmware_options_1 =
9135                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
9136                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
9137                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
9138                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
9139                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
9140                 nv->efi_parameters = cpu_to_le32(0);
9141                 nv->reset_delay = 5;
9142                 nv->max_luns_per_target = cpu_to_le16(128);
9143                 nv->port_down_retry_count = cpu_to_le16(30);
9144                 nv->link_down_timeout = cpu_to_le16(180);
9145                 nv->enode_mac[0] = 0x00;
9146                 nv->enode_mac[1] = 0xC0;
9147                 nv->enode_mac[2] = 0xDD;
9148                 nv->enode_mac[3] = 0x04;
9149                 nv->enode_mac[4] = 0x05;
9150                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
9151
9152                 rval = 1;
9153         }
9154
9155         if (IS_T10_PI_CAPABLE(ha))
9156                 nv->frame_payload_size &= cpu_to_le16(~7);
9157
9158         qlt_81xx_config_nvram_stage1(vha, nv);
9159
9160         /* Reset Initialization control block */
9161         memset(icb, 0, ha->init_cb_size);
9162
9163         /* Copy 1st segment. */
9164         dptr1 = (uint8_t *)icb;
9165         dptr2 = (uint8_t *)&nv->version;
9166         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
9167         while (cnt--)
9168                 *dptr1++ = *dptr2++;
9169
9170         icb->login_retry_count = nv->login_retry_count;
9171
9172         /* Copy 2nd segment. */
9173         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
9174         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
9175         cnt = (uint8_t *)&icb->reserved_5 -
9176             (uint8_t *)&icb->interrupt_delay_timer;
9177         while (cnt--)
9178                 *dptr1++ = *dptr2++;
9179
9180         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
9181         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
9182         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
9183                 icb->enode_mac[0] = 0x00;
9184                 icb->enode_mac[1] = 0xC0;
9185                 icb->enode_mac[2] = 0xDD;
9186                 icb->enode_mac[3] = 0x04;
9187                 icb->enode_mac[4] = 0x05;
9188                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
9189         }
9190
9191         /* Use extended-initialization control block. */
9192         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
9193         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
9194         /*
9195          * Setup driver NVRAM options.
9196          */
9197         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
9198             "QLE8XXX");
9199
9200         qlt_81xx_config_nvram_stage2(vha, icb);
9201
9202         /* Use alternate WWN? */
9203         if (nv->host_p & cpu_to_le32(BIT_15)) {
9204                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
9205                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
9206         }
9207
9208         /* Prepare nodename */
9209         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
9210                 /*
9211                  * Firmware will apply the following mask if the nodename was
9212                  * not provided.
9213                  */
9214                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
9215                 icb->node_name[0] &= 0xF0;
9216         }
9217
9218         if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
9219                 if ((nv->enhanced_features & BIT_7) == 0)
9220                         ha->flags.scm_supported_a = 1;
9221         }
9222
9223         /* Set host adapter parameters. */
9224         ha->flags.disable_risc_code_load = 0;
9225         ha->flags.enable_lip_reset = 0;
9226         ha->flags.enable_lip_full_login =
9227             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
9228         ha->flags.enable_target_reset =
9229             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
9230         ha->flags.enable_led_scheme = 0;
9231         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
9232
9233         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
9234             (BIT_6 | BIT_5 | BIT_4)) >> 4;
9235
9236         /* save HBA serial number */
9237         ha->serial0 = icb->port_name[5];
9238         ha->serial1 = icb->port_name[6];
9239         ha->serial2 = icb->port_name[7];
9240         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
9241         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
9242
9243         icb->execution_throttle = cpu_to_le16(0xFFFF);
9244
9245         ha->retry_count = le16_to_cpu(nv->login_retry_count);
9246
9247         /* Set minimum login_timeout to 4 seconds. */
9248         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
9249                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
9250         if (le16_to_cpu(nv->login_timeout) < 4)
9251                 nv->login_timeout = cpu_to_le16(4);
9252         ha->login_timeout = le16_to_cpu(nv->login_timeout);
9253
9254         /* Set minimum RATOV to 100 tenths of a second. */
9255         ha->r_a_tov = 100;
9256
9257         ha->loop_reset_delay = nv->reset_delay;
9258
9259         /* Link Down Timeout = 0:
9260          *
9261          *      When Port Down timer expires we will start returning
9262          *      I/O's to OS with "DID_NO_CONNECT".
9263          *
9264          * Link Down Timeout != 0:
9265          *
9266          *       The driver waits for the link to come up after link down
9267          *       before returning I/Os to OS with "DID_NO_CONNECT".
9268          */
9269         if (le16_to_cpu(nv->link_down_timeout) == 0) {
9270                 ha->loop_down_abort_time =
9271                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
9272         } else {
9273                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
9274                 ha->loop_down_abort_time =
9275                     (LOOP_DOWN_TIME - ha->link_down_timeout);
9276         }
9277
9278         /* Need enough time to try and get the port back. */
9279         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
9280         if (qlport_down_retry)
9281                 ha->port_down_retry_count = qlport_down_retry;
9282
9283         /* Set login_retry_count */
9284         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
9285         if (ha->port_down_retry_count ==
9286             le16_to_cpu(nv->port_down_retry_count) &&
9287             ha->port_down_retry_count > 3)
9288                 ha->login_retry_count = ha->port_down_retry_count;
9289         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
9290                 ha->login_retry_count = ha->port_down_retry_count;
9291         if (ql2xloginretrycount)
9292                 ha->login_retry_count = ql2xloginretrycount;
9293
9294         /* if not running MSI-X we need handshaking on interrupts */
9295         if (!vha->hw->flags.msix_enabled &&
9296             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)))
9297                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
9298
9299         /* Enable ZIO. */
9300         if (!vha->flags.init_done) {
9301                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
9302                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
9303                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
9304                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
9305         }
9306         icb->firmware_options_2 &= cpu_to_le32(
9307             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
9308         vha->flags.process_response_queue = 0;
9309         if (ha->zio_mode != QLA_ZIO_DISABLED) {
9310                 ha->zio_mode = QLA_ZIO_MODE_6;
9311
9312                 ql_log(ql_log_info, vha, 0x0075,
9313                     "ZIO mode %d enabled; timer delay (%d us).\n",
9314                     ha->zio_mode,
9315                     ha->zio_timer * 100);
9316
9317                 icb->firmware_options_2 |= cpu_to_le32(
9318                     (uint32_t)ha->zio_mode);
9319                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
9320                 vha->flags.process_response_queue = 1;
9321         }
9322
9323          /* enable RIDA Format2 */
9324         icb->firmware_options_3 |= cpu_to_le32(BIT_0);
9325
9326         /* N2N: driver will initiate Login instead of FW */
9327         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
9328
9329         /* Determine NVMe/FCP priority for target ports */
9330         ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha);
9331
9332         if (rval) {
9333                 ql_log(ql_log_warn, vha, 0x0076,
9334                     "NVRAM configuration failed.\n");
9335         }
9336         return (rval);
9337 }
9338
9339 int
9340 qla82xx_restart_isp(scsi_qla_host_t *vha)
9341 {
9342         int status, rval;
9343         struct qla_hw_data *ha = vha->hw;
9344         struct scsi_qla_host *vp, *tvp;
9345         unsigned long flags;
9346
9347         status = qla2x00_init_rings(vha);
9348         if (!status) {
9349                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
9350                 ha->flags.chip_reset_done = 1;
9351
9352                 status = qla2x00_fw_ready(vha);
9353                 if (!status) {
9354                         /* Issue a marker after FW becomes ready. */
9355                         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
9356                         vha->flags.online = 1;
9357                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
9358                 }
9359
9360                 /* if no cable then assume it's good */
9361                 if ((vha->device_flags & DFLG_NO_CABLE))
9362                         status = 0;
9363         }
9364
9365         if (!status) {
9366                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
9367
9368                 if (!atomic_read(&vha->loop_down_timer)) {
9369                         /*
9370                          * Issue marker command only when we are going
9371                          * to start the I/O .
9372                          */
9373                         vha->marker_needed = 1;
9374                 }
9375
9376                 ha->isp_ops->enable_intrs(ha);
9377
9378                 ha->isp_abort_cnt = 0;
9379                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
9380
9381                 /* Update the firmware version */
9382                 status = qla82xx_check_md_needed(vha);
9383
9384                 if (ha->fce) {
9385                         ha->flags.fce_enabled = 1;
9386                         memset(ha->fce, 0,
9387                             fce_calc_size(ha->fce_bufs));
9388                         rval = qla2x00_enable_fce_trace(vha,
9389                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
9390                             &ha->fce_bufs);
9391                         if (rval) {
9392                                 ql_log(ql_log_warn, vha, 0x8001,
9393                                     "Unable to reinitialize FCE (%d).\n",
9394                                     rval);
9395                                 ha->flags.fce_enabled = 0;
9396                         }
9397                 }
9398
9399                 if (ha->eft) {
9400                         memset(ha->eft, 0, EFT_SIZE);
9401                         rval = qla2x00_enable_eft_trace(vha,
9402                             ha->eft_dma, EFT_NUM_BUFFERS);
9403                         if (rval) {
9404                                 ql_log(ql_log_warn, vha, 0x8010,
9405                                     "Unable to reinitialize EFT (%d).\n",
9406                                     rval);
9407                         }
9408                 }
9409         }
9410
9411         if (!status) {
9412                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
9413                     "qla82xx_restart_isp succeeded.\n");
9414
9415                 spin_lock_irqsave(&ha->vport_slock, flags);
9416                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
9417                         if (vp->vp_idx) {
9418                                 atomic_inc(&vp->vref_count);
9419                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
9420
9421                                 qla2x00_vp_abort_isp(vp);
9422
9423                                 spin_lock_irqsave(&ha->vport_slock, flags);
9424                                 atomic_dec(&vp->vref_count);
9425                         }
9426                 }
9427                 spin_unlock_irqrestore(&ha->vport_slock, flags);
9428
9429         } else {
9430                 ql_log(ql_log_warn, vha, 0x8016,
9431                     "qla82xx_restart_isp **** FAILED ****.\n");
9432         }
9433
9434         return status;
9435 }
9436
9437 /*
9438  * qla24xx_get_fcp_prio
9439  *      Gets the fcp cmd priority value for the logged in port.
9440  *      Looks for a match of the port descriptors within
9441  *      each of the fcp prio config entries. If a match is found,
9442  *      the tag (priority) value is returned.
9443  *
9444  * Input:
9445  *      vha = scsi host structure pointer.
9446  *      fcport = port structure pointer.
9447  *
9448  * Return:
9449  *      non-zero (if found)
9450  *      -1 (if not found)
9451  *
9452  * Context:
9453  *      Kernel context
9454  */
9455 static int
9456 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
9457 {
9458         int i, entries;
9459         uint8_t pid_match, wwn_match;
9460         int priority;
9461         uint32_t pid1, pid2;
9462         uint64_t wwn1, wwn2;
9463         struct qla_fcp_prio_entry *pri_entry;
9464         struct qla_hw_data *ha = vha->hw;
9465
9466         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
9467                 return -1;
9468
9469         priority = -1;
9470         entries = ha->fcp_prio_cfg->num_entries;
9471         pri_entry = &ha->fcp_prio_cfg->entry[0];
9472
9473         for (i = 0; i < entries; i++) {
9474                 pid_match = wwn_match = 0;
9475
9476                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
9477                         pri_entry++;
9478                         continue;
9479                 }
9480
9481                 /* check source pid for a match */
9482                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
9483                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
9484                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
9485                         if (pid1 == INVALID_PORT_ID)
9486                                 pid_match++;
9487                         else if (pid1 == pid2)
9488                                 pid_match++;
9489                 }
9490
9491                 /* check destination pid for a match */
9492                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
9493                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
9494                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
9495                         if (pid1 == INVALID_PORT_ID)
9496                                 pid_match++;
9497                         else if (pid1 == pid2)
9498                                 pid_match++;
9499                 }
9500
9501                 /* check source WWN for a match */
9502                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
9503                         wwn1 = wwn_to_u64(vha->port_name);
9504                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
9505                         if (wwn2 == (uint64_t)-1)
9506                                 wwn_match++;
9507                         else if (wwn1 == wwn2)
9508                                 wwn_match++;
9509                 }
9510
9511                 /* check destination WWN for a match */
9512                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
9513                         wwn1 = wwn_to_u64(fcport->port_name);
9514                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
9515                         if (wwn2 == (uint64_t)-1)
9516                                 wwn_match++;
9517                         else if (wwn1 == wwn2)
9518                                 wwn_match++;
9519                 }
9520
9521                 if (pid_match == 2 || wwn_match == 2) {
9522                         /* Found a matching entry */
9523                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
9524                                 priority = pri_entry->tag;
9525                         break;
9526                 }
9527
9528                 pri_entry++;
9529         }
9530
9531         return priority;
9532 }
9533
9534 /*
9535  * qla24xx_update_fcport_fcp_prio
9536  *      Activates fcp priority for the logged in fc port
9537  *
9538  * Input:
9539  *      vha = scsi host structure pointer.
9540  *      fcp = port structure pointer.
9541  *
9542  * Return:
9543  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
9544  *
9545  * Context:
9546  *      Kernel context.
9547  */
9548 int
9549 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
9550 {
9551         int ret;
9552         int priority;
9553         uint16_t mb[5];
9554
9555         if (fcport->port_type != FCT_TARGET ||
9556             fcport->loop_id == FC_NO_LOOP_ID)
9557                 return QLA_FUNCTION_FAILED;
9558
9559         priority = qla24xx_get_fcp_prio(vha, fcport);
9560         if (priority < 0)
9561                 return QLA_FUNCTION_FAILED;
9562
9563         if (IS_P3P_TYPE(vha->hw)) {
9564                 fcport->fcp_prio = priority & 0xf;
9565                 return QLA_SUCCESS;
9566         }
9567
9568         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
9569         if (ret == QLA_SUCCESS) {
9570                 if (fcport->fcp_prio != priority)
9571                         ql_dbg(ql_dbg_user, vha, 0x709e,
9572                             "Updated FCP_CMND priority - value=%d loop_id=%d "
9573                             "port_id=%02x%02x%02x.\n", priority,
9574                             fcport->loop_id, fcport->d_id.b.domain,
9575                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
9576                 fcport->fcp_prio = priority & 0xf;
9577         } else
9578                 ql_dbg(ql_dbg_user, vha, 0x704f,
9579                     "Unable to update FCP_CMND priority - ret=0x%x for "
9580                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
9581                     fcport->d_id.b.domain, fcport->d_id.b.area,
9582                     fcport->d_id.b.al_pa);
9583         return  ret;
9584 }
9585
9586 /*
9587  * qla24xx_update_all_fcp_prio
9588  *      Activates fcp priority for all the logged in ports
9589  *
9590  * Input:
9591  *      ha = adapter block pointer.
9592  *
9593  * Return:
9594  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
9595  *
9596  * Context:
9597  *      Kernel context.
9598  */
9599 int
9600 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
9601 {
9602         int ret;
9603         fc_port_t *fcport;
9604
9605         ret = QLA_FUNCTION_FAILED;
9606         /* We need to set priority for all logged in ports */
9607         list_for_each_entry(fcport, &vha->vp_fcports, list)
9608                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
9609
9610         return ret;
9611 }
9612
9613 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
9614         int vp_idx, bool startqp)
9615 {
9616         int rsp_id = 0;
9617         int  req_id = 0;
9618         int i;
9619         struct qla_hw_data *ha = vha->hw;
9620         uint16_t qpair_id = 0;
9621         struct qla_qpair *qpair = NULL;
9622         struct qla_msix_entry *msix;
9623
9624         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
9625                 ql_log(ql_log_warn, vha, 0x00181,
9626                     "FW/Driver is not multi-queue capable.\n");
9627                 return NULL;
9628         }
9629
9630         if (ql2xmqsupport || ql2xnvmeenable) {
9631                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
9632                 if (qpair == NULL) {
9633                         ql_log(ql_log_warn, vha, 0x0182,
9634                             "Failed to allocate memory for queue pair.\n");
9635                         return NULL;
9636                 }
9637
9638                 qpair->hw = vha->hw;
9639                 qpair->vha = vha;
9640                 qpair->qp_lock_ptr = &qpair->qp_lock;
9641                 spin_lock_init(&qpair->qp_lock);
9642                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
9643
9644                 /* Assign available que pair id */
9645                 mutex_lock(&ha->mq_lock);
9646                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
9647                 if (ha->num_qpairs >= ha->max_qpairs) {
9648                         mutex_unlock(&ha->mq_lock);
9649                         ql_log(ql_log_warn, vha, 0x0183,
9650                             "No resources to create additional q pair.\n");
9651                         goto fail_qid_map;
9652                 }
9653                 ha->num_qpairs++;
9654                 set_bit(qpair_id, ha->qpair_qid_map);
9655                 ha->queue_pair_map[qpair_id] = qpair;
9656                 qpair->id = qpair_id;
9657                 qpair->vp_idx = vp_idx;
9658                 qpair->fw_started = ha->flags.fw_started;
9659                 INIT_LIST_HEAD(&qpair->hints_list);
9660                 INIT_LIST_HEAD(&qpair->dsd_list);
9661                 qpair->chip_reset = ha->base_qpair->chip_reset;
9662                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
9663                 qpair->enable_explicit_conf =
9664                     ha->base_qpair->enable_explicit_conf;
9665
9666                 for (i = 0; i < ha->msix_count; i++) {
9667                         msix = &ha->msix_entries[i];
9668                         if (msix->in_use)
9669                                 continue;
9670                         qpair->msix = msix;
9671                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
9672                             "Vector %x selected for qpair\n", msix->vector);
9673                         break;
9674                 }
9675                 if (!qpair->msix) {
9676                         ql_log(ql_log_warn, vha, 0x0184,
9677                             "Out of MSI-X vectors!.\n");
9678                         goto fail_msix;
9679                 }
9680
9681                 qpair->msix->in_use = 1;
9682                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
9683                 qpair->pdev = ha->pdev;
9684                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
9685                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
9686
9687                 mutex_unlock(&ha->mq_lock);
9688
9689                 /* Create response queue first */
9690                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
9691                 if (!rsp_id) {
9692                         ql_log(ql_log_warn, vha, 0x0185,
9693                             "Failed to create response queue.\n");
9694                         goto fail_rsp;
9695                 }
9696
9697                 qpair->rsp = ha->rsp_q_map[rsp_id];
9698
9699                 /* Create request queue */
9700                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
9701                     startqp);
9702                 if (!req_id) {
9703                         ql_log(ql_log_warn, vha, 0x0186,
9704                             "Failed to create request queue.\n");
9705                         goto fail_req;
9706                 }
9707
9708                 qpair->req = ha->req_q_map[req_id];
9709                 qpair->rsp->req = qpair->req;
9710                 qpair->rsp->qpair = qpair;
9711
9712                 if (!qpair->cpu_mapped)
9713                         qla_cpu_update(qpair, raw_smp_processor_id());
9714
9715                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
9716                         if (ha->fw_attributes & BIT_4)
9717                                 qpair->difdix_supported = 1;
9718                 }
9719
9720                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
9721                 if (!qpair->srb_mempool) {
9722                         ql_log(ql_log_warn, vha, 0xd036,
9723                             "Failed to create srb mempool for qpair %d\n",
9724                             qpair->id);
9725                         goto fail_mempool;
9726                 }
9727
9728                 if (qla_create_buf_pool(vha, qpair)) {
9729                         ql_log(ql_log_warn, vha, 0xd036,
9730                             "Failed to initialize buf pool for qpair %d\n",
9731                             qpair->id);
9732                         goto fail_bufpool;
9733                 }
9734
9735                 /* Mark as online */
9736                 qpair->online = 1;
9737
9738                 if (!vha->flags.qpairs_available)
9739                         vha->flags.qpairs_available = 1;
9740
9741                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
9742                     "Request/Response queue pair created, id %d\n",
9743                     qpair->id);
9744                 ql_dbg(ql_dbg_init, vha, 0x0187,
9745                     "Request/Response queue pair created, id %d\n",
9746                     qpair->id);
9747         }
9748         return qpair;
9749
9750 fail_bufpool:
9751         mempool_destroy(qpair->srb_mempool);
9752 fail_mempool:
9753         qla25xx_delete_req_que(vha, qpair->req);
9754 fail_req:
9755         qla25xx_delete_rsp_que(vha, qpair->rsp);
9756 fail_rsp:
9757         mutex_lock(&ha->mq_lock);
9758         qpair->msix->in_use = 0;
9759         list_del(&qpair->qp_list_elem);
9760         if (list_empty(&vha->qp_list))
9761                 vha->flags.qpairs_available = 0;
9762 fail_msix:
9763         ha->queue_pair_map[qpair_id] = NULL;
9764         clear_bit(qpair_id, ha->qpair_qid_map);
9765         ha->num_qpairs--;
9766         mutex_unlock(&ha->mq_lock);
9767 fail_qid_map:
9768         kfree(qpair);
9769         return NULL;
9770 }
9771
9772 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
9773 {
9774         int ret = QLA_FUNCTION_FAILED;
9775         struct qla_hw_data *ha = qpair->hw;
9776
9777         qpair->delete_in_progress = 1;
9778
9779         qla_free_buf_pool(qpair);
9780
9781         ret = qla25xx_delete_req_que(vha, qpair->req);
9782         if (ret != QLA_SUCCESS)
9783                 goto fail;
9784
9785         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
9786         if (ret != QLA_SUCCESS)
9787                 goto fail;
9788
9789         if (!list_empty(&qpair->dsd_list)) {
9790                 struct dsd_dma *dsd_ptr, *tdsd_ptr;
9791
9792                 /* clean up allocated prev pool */
9793                 list_for_each_entry_safe(dsd_ptr, tdsd_ptr,
9794                                          &qpair->dsd_list, list) {
9795                         dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr,
9796                                       dsd_ptr->dsd_list_dma);
9797                         list_del(&dsd_ptr->list);
9798                         kfree(dsd_ptr);
9799                 }
9800         }
9801
9802         mutex_lock(&ha->mq_lock);
9803         ha->queue_pair_map[qpair->id] = NULL;
9804         clear_bit(qpair->id, ha->qpair_qid_map);
9805         ha->num_qpairs--;
9806         list_del(&qpair->qp_list_elem);
9807         if (list_empty(&vha->qp_list)) {
9808                 vha->flags.qpairs_available = 0;
9809                 vha->flags.qpairs_req_created = 0;
9810                 vha->flags.qpairs_rsp_created = 0;
9811         }
9812         mempool_destroy(qpair->srb_mempool);
9813         kfree(qpair);
9814         mutex_unlock(&ha->mq_lock);
9815
9816         return QLA_SUCCESS;
9817 fail:
9818         return ret;
9819 }
9820
9821 uint64_t
9822 qla2x00_count_set_bits(uint32_t num)
9823 {
9824         /* Brian Kernighan's Algorithm */
9825         u64 count = 0;
9826
9827         while (num) {
9828                 num &= (num - 1);
9829                 count++;
9830         }
9831         return count;
9832 }
9833
9834 uint64_t
9835 qla2x00_get_num_tgts(scsi_qla_host_t *vha)
9836 {
9837         fc_port_t *f, *tf;
9838         u64 count = 0;
9839
9840         f = NULL;
9841         tf = NULL;
9842
9843         list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
9844                 if (f->port_type != FCT_TARGET)
9845                         continue;
9846                 count++;
9847         }
9848         return count;
9849 }
9850
9851 int qla2xxx_reset_stats(struct Scsi_Host *host, u32 flags)
9852 {
9853         scsi_qla_host_t *vha = shost_priv(host);
9854         fc_port_t *fcport = NULL;
9855         unsigned long int_flags;
9856
9857         if (flags & QLA2XX_HW_ERROR)
9858                 vha->hw_err_cnt = 0;
9859         if (flags & QLA2XX_SHT_LNK_DWN)
9860                 vha->short_link_down_cnt = 0;
9861         if (flags & QLA2XX_INT_ERR)
9862                 vha->interface_err_cnt = 0;
9863         if (flags & QLA2XX_CMD_TIMEOUT)
9864                 vha->cmd_timeout_cnt = 0;
9865         if (flags & QLA2XX_RESET_CMD_ERR)
9866                 vha->reset_cmd_err_cnt = 0;
9867         if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
9868                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
9869                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
9870                         fcport->tgt_short_link_down_cnt = 0;
9871                         fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
9872                 }
9873                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
9874         }
9875         vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
9876         return 0;
9877 }
9878
9879 int qla2xxx_start_stats(struct Scsi_Host *host, u32 flags)
9880 {
9881         return qla2xxx_reset_stats(host, flags);
9882 }
9883
9884 int qla2xxx_stop_stats(struct Scsi_Host *host, u32 flags)
9885 {
9886         return qla2xxx_reset_stats(host, flags);
9887 }
9888
9889 int qla2xxx_get_ini_stats(struct Scsi_Host *host, u32 flags,
9890                           void *data, u64 size)
9891 {
9892         scsi_qla_host_t *vha = shost_priv(host);
9893         struct ql_vnd_host_stats_resp *resp = (struct ql_vnd_host_stats_resp *)data;
9894         struct ql_vnd_stats *rsp_data = &resp->stats;
9895         u64 ini_entry_count = 0;
9896         u64 i = 0;
9897         u64 entry_count = 0;
9898         u64 num_tgt = 0;
9899         u32 tmp_stat_type = 0;
9900         fc_port_t *fcport = NULL;
9901         unsigned long int_flags;
9902
9903         /* Copy stat type to work on it */
9904         tmp_stat_type = flags;
9905
9906         if (tmp_stat_type & BIT_17) {
9907                 num_tgt = qla2x00_get_num_tgts(vha);
9908                 /* unset BIT_17 */
9909                 tmp_stat_type &= ~(1 << 17);
9910         }
9911         ini_entry_count = qla2x00_count_set_bits(tmp_stat_type);
9912
9913         entry_count = ini_entry_count + num_tgt;
9914
9915         rsp_data->entry_count = entry_count;
9916
9917         i = 0;
9918         if (flags & QLA2XX_HW_ERROR) {
9919                 rsp_data->entry[i].stat_type = QLA2XX_HW_ERROR;
9920                 rsp_data->entry[i].tgt_num = 0x0;
9921                 rsp_data->entry[i].cnt = vha->hw_err_cnt;
9922                 i++;
9923         }
9924
9925         if (flags & QLA2XX_SHT_LNK_DWN) {
9926                 rsp_data->entry[i].stat_type = QLA2XX_SHT_LNK_DWN;
9927                 rsp_data->entry[i].tgt_num = 0x0;
9928                 rsp_data->entry[i].cnt = vha->short_link_down_cnt;
9929                 i++;
9930         }
9931
9932         if (flags & QLA2XX_INT_ERR) {
9933                 rsp_data->entry[i].stat_type = QLA2XX_INT_ERR;
9934                 rsp_data->entry[i].tgt_num = 0x0;
9935                 rsp_data->entry[i].cnt = vha->interface_err_cnt;
9936                 i++;
9937         }
9938
9939         if (flags & QLA2XX_CMD_TIMEOUT) {
9940                 rsp_data->entry[i].stat_type = QLA2XX_CMD_TIMEOUT;
9941                 rsp_data->entry[i].tgt_num = 0x0;
9942                 rsp_data->entry[i].cnt = vha->cmd_timeout_cnt;
9943                 i++;
9944         }
9945
9946         if (flags & QLA2XX_RESET_CMD_ERR) {
9947                 rsp_data->entry[i].stat_type = QLA2XX_RESET_CMD_ERR;
9948                 rsp_data->entry[i].tgt_num = 0x0;
9949                 rsp_data->entry[i].cnt = vha->reset_cmd_err_cnt;
9950                 i++;
9951         }
9952
9953         /* i will continue from previous loop, as target
9954          * entries are after initiator
9955          */
9956         if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
9957                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
9958                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
9959                         if (fcport->port_type != FCT_TARGET)
9960                                 continue;
9961                         if (!fcport->rport)
9962                                 continue;
9963                         rsp_data->entry[i].stat_type = QLA2XX_TGT_SHT_LNK_DOWN;
9964                         rsp_data->entry[i].tgt_num = fcport->rport->number;
9965                         rsp_data->entry[i].cnt = fcport->tgt_short_link_down_cnt;
9966                         i++;
9967                 }
9968                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
9969         }
9970         resp->status = EXT_STATUS_OK;
9971
9972         return 0;
9973 }
9974
9975 int qla2xxx_get_tgt_stats(struct Scsi_Host *host, u32 flags,
9976                           struct fc_rport *rport, void *data, u64 size)
9977 {
9978         struct ql_vnd_tgt_stats_resp *tgt_data = data;
9979         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
9980
9981         tgt_data->status = 0;
9982         tgt_data->stats.entry_count = 1;
9983         tgt_data->stats.entry[0].stat_type = flags;
9984         tgt_data->stats.entry[0].tgt_num = rport->number;
9985         tgt_data->stats.entry[0].cnt = fcport->tgt_short_link_down_cnt;
9986
9987         return 0;
9988 }
9989
9990 int qla2xxx_disable_port(struct Scsi_Host *host)
9991 {
9992         scsi_qla_host_t *vha = shost_priv(host);
9993
9994         vha->hw->flags.port_isolated = 1;
9995
9996         if (qla2x00_isp_reg_stat(vha->hw)) {
9997                 ql_log(ql_log_info, vha, 0x9006,
9998                     "PCI/Register disconnect, exiting.\n");
9999                 qla_pci_set_eeh_busy(vha);
10000                 return FAILED;
10001         }
10002         if (qla2x00_chip_is_down(vha))
10003                 return 0;
10004
10005         if (vha->flags.online) {
10006                 qla2x00_abort_isp_cleanup(vha);
10007                 qla2x00_wait_for_sess_deletion(vha);
10008         }
10009
10010         return 0;
10011 }
10012
10013 int qla2xxx_enable_port(struct Scsi_Host *host)
10014 {
10015         scsi_qla_host_t *vha = shost_priv(host);
10016
10017         if (qla2x00_isp_reg_stat(vha->hw)) {
10018                 ql_log(ql_log_info, vha, 0x9001,
10019                     "PCI/Register disconnect, exiting.\n");
10020                 qla_pci_set_eeh_busy(vha);
10021                 return FAILED;
10022         }
10023
10024         vha->hw->flags.port_isolated = 0;
10025         /* Set the flag to 1, so that isp_abort can proceed */
10026         vha->flags.online = 1;
10027         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
10028         qla2xxx_wake_dpc(vha);
10029
10030         return 0;
10031 }