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
 512         ql_dbg(ql_dbg_disc, vha, 0x20d2,
 513             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
 514             __func__, fcport->port_name, fcport->disc_state,
 515             fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
 516             fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
 517
 518         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
 519                   ea->data[0]);
 520
 521         if (ea->data[0] != MBS_COMMAND_COMPLETE) {
 522                 ql_dbg(ql_dbg_disc, vha, 0x2066,
 523                     "%s %8phC: adisc fail: post delete\n",
 524                     __func__, ea->fcport->port_name);
 525                 /* deleted = 0 & logout_on_delete = force fw cleanup */
 526                 fcport->deleted = 0;
 527                 fcport->logout_on_delete = 1;
 528                 qlt_schedule_sess_for_deletion(ea->fcport);
 529                 return;
 530         }
 531
 532         if (ea->fcport->disc_state == DSC_DELETE_PEND)
 533                 return;
 534
 535         if (ea->sp->gen2 != ea->fcport->login_gen) {
 536                 /* target side must have changed it. */
 537                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
 538                     "%s %8phC generation changed\n",
 539                     __func__, ea->fcport->port_name);
 540                 return;
 541         } else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
 542                 qla_rscn_replay(fcport);
 543                 qlt_schedule_sess_for_deletion(fcport);
 544                 return;
 545         }
 546
 547         __qla24xx_handle_gpdb_event(vha, ea);
 548 }
 549
 550 static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 551 {
 552         struct qla_work_evt *e;
 553
 554         e = qla2x00_alloc_work(vha, QLA_EVT_ELS_PLOGI);
 555         if (!e)
 556                 return QLA_FUNCTION_FAILED;
 557
 558         e->u.fcport.fcport = fcport;
 559         fcport->flags |= FCF_ASYNC_ACTIVE;
 560         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
 561         return qla2x00_post_work(vha, e);
 562 }
 563
 564 static void qla2x00_async_adisc_sp_done(srb_t *sp, int res)
 565 {
 566         struct scsi_qla_host *vha = sp->vha;
 567         struct event_arg ea;
 568         struct srb_iocb *lio = &sp->u.iocb_cmd;
 569
 570         ql_dbg(ql_dbg_disc, vha, 0x2066,
 571             "Async done-%s res %x %8phC\n",
 572             sp->name, res, sp->fcport->port_name);
 573
 574         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 575
 576         memset(&ea, 0, sizeof(ea));
 577         ea.rc = res;
 578         ea.data[0] = lio->u.logio.data[0];
 579         ea.data[1] = lio->u.logio.data[1];
 580         ea.iop[0] = lio->u.logio.iop[0];
 581         ea.iop[1] = lio->u.logio.iop[1];
 582         ea.fcport = sp->fcport;
 583         ea.sp = sp;
 584         if (res)
 585                 ea.data[0] = MBS_COMMAND_ERROR;
 586
 587         qla24xx_handle_adisc_event(vha, &ea);
 588         /* ref: INIT */
 589         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 590 }
 591
 592 int
 593 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 594     uint16_t *data)
 595 {
 596         srb_t *sp;
 597         struct srb_iocb *lio;
 598         int rval = QLA_FUNCTION_FAILED;
 599
 600         if (IS_SESSION_DELETED(fcport)) {
 601                 ql_log(ql_log_warn, vha, 0xffff,
 602                        "%s: %8phC is being delete - not sending command.\n",
 603                        __func__, fcport->port_name);
 604                 fcport->flags &= ~FCF_ASYNC_ACTIVE;
 605                 return rval;
 606         }
 607
 608         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 609                 return rval;
 610
 611         fcport->flags |= FCF_ASYNC_SENT;
 612         /* ref: INIT */
 613         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 614         if (!sp)
 615                 goto done;
 616
 617         sp->type = SRB_ADISC_CMD;
 618         sp->name = "adisc";
 619         sp->gen1 = fcport->rscn_gen;
 620         sp->gen2 = fcport->login_gen;
 621         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
 622                               qla2x00_async_adisc_sp_done);
 623
 624         if (data[1] & QLA_LOGIO_LOGIN_RETRIED) {
 625                 lio = &sp->u.iocb_cmd;
 626                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 627         }
 628
 629         ql_dbg(ql_dbg_disc, vha, 0x206f,
 630             "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n",
 631             sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name);
 632
 633         rval = qla2x00_start_sp(sp);
 634         if (rval != QLA_SUCCESS)
 635                 goto done_free_sp;
 636
 637         return rval;
 638
 639 done_free_sp:
 640         /* ref: INIT */
 641         kref_put(&sp->cmd_kref, qla2x00_sp_release);
 642 done:
 643         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 644         qla2x00_post_async_adisc_work(vha, fcport, data);
 645         return rval;
 646 }
 647
 648 static bool qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id)
 649 {
 650         struct qla_hw_data *ha = vha->hw;
 651
 652         if (IS_FWI2_CAPABLE(ha))
 653                 return loop_id > NPH_LAST_HANDLE;
 654
 655         return (loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) ||
 656                 loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST;
 657 }
 658
 659 /**
 660  * qla2x00_find_new_loop_id - scan through our port list and find a new usable loop ID
 661  * @vha: adapter state pointer.
 662  * @dev: port structure pointer.
 663  *
 664  * Returns:
 665  *      qla2x00 local function return status code.
 666  *
 667  * Context:
 668  *      Kernel context.
 669  */
 670 static int qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
 671 {
 672         int     rval;
 673         struct qla_hw_data *ha = vha->hw;
 674         unsigned long flags = 0;
 675
 676         rval = QLA_SUCCESS;
 677
 678         spin_lock_irqsave(&ha->vport_slock, flags);
 679
 680         dev->loop_id = find_first_zero_bit(ha->loop_id_map, LOOPID_MAP_SIZE);
 681         if (dev->loop_id >= LOOPID_MAP_SIZE ||
 682             qla2x00_is_reserved_id(vha, dev->loop_id)) {
 683                 dev->loop_id = FC_NO_LOOP_ID;
 684                 rval = QLA_FUNCTION_FAILED;
 685         } else {
 686                 set_bit(dev->loop_id, ha->loop_id_map);
 687         }
 688         spin_unlock_irqrestore(&ha->vport_slock, flags);
 689
 690         if (rval == QLA_SUCCESS)
 691                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
 692                        "Assigning new loopid=%x, portid=%x.\n",
 693                        dev->loop_id, dev->d_id.b24);
 694         else
 695                 ql_log(ql_log_warn, dev->vha, 0x2087,
 696                        "No loop_id's available, portid=%x.\n",
 697                        dev->d_id.b24);
 698
 699         return rval;
 700 }
 701
 702 void qla2x00_clear_loop_id(fc_port_t *fcport)
 703 {
 704         struct qla_hw_data *ha = fcport->vha->hw;
 705
 706         if (fcport->loop_id == FC_NO_LOOP_ID ||
 707             qla2x00_is_reserved_id(fcport->vha, fcport->loop_id))
 708                 return;
 709
 710         clear_bit(fcport->loop_id, ha->loop_id_map);
 711         fcport->loop_id = FC_NO_LOOP_ID;
 712 }
 713
 714 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
 715         struct event_arg *ea)
 716 {
 717         fc_port_t *fcport, *conflict_fcport;
 718         struct get_name_list_extended *e;
 719         u16 i, n, found = 0, loop_id;
 720         port_id_t id;
 721         u64 wwn;
 722         u16 data[2];
 723         u8 current_login_state, nvme_cls;
 724
 725         fcport = ea->fcport;
 726         ql_dbg(ql_dbg_disc, vha, 0xffff,
 727             "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d edif %d\n",
 728             __func__, fcport->port_name, fcport->disc_state,
 729             fcport->fw_login_state, ea->rc,
 730             fcport->login_gen, fcport->last_login_gen,
 731             fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id, fcport->edif.enable);
 732
 733         if (fcport->disc_state == DSC_DELETE_PEND)
 734                 return;
 735
 736         if (ea->rc) { /* rval */
 737                 if (fcport->login_retry == 0) {
 738                         ql_dbg(ql_dbg_disc, vha, 0x20de,
 739                             "GNL failed Port login retry %8phN, retry cnt=%d.\n",
 740                             fcport->port_name, fcport->login_retry);
 741                 }
 742                 return;
 743         }
 744
 745         if (fcport->last_rscn_gen != fcport->rscn_gen) {
 746                 qla_rscn_replay(fcport);
 747                 qlt_schedule_sess_for_deletion(fcport);
 748                 return;
 749         } else if (fcport->last_login_gen != fcport->login_gen) {
 750                 ql_dbg(ql_dbg_disc, vha, 0x20e0,
 751                     "%s %8phC login gen changed\n",
 752                     __func__, fcport->port_name);
 753                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 754                 return;
 755         }
 756
 757         n = ea->data[0] / sizeof(struct get_name_list_extended);
 758
 759         ql_dbg(ql_dbg_disc, vha, 0x20e1,
 760             "%s %d %8phC n %d %02x%02x%02x lid %d \n",
 761             __func__, __LINE__, fcport->port_name, n,
 762             fcport->d_id.b.domain, fcport->d_id.b.area,
 763             fcport->d_id.b.al_pa, fcport->loop_id);
 764
 765         for (i = 0; i < n; i++) {
 766                 e = &vha->gnl.l[i];
 767                 wwn = wwn_to_u64(e->port_name);
 768                 id.b.domain = e->port_id[2];
 769                 id.b.area = e->port_id[1];
 770                 id.b.al_pa = e->port_id[0];
 771                 id.b.rsvd_1 = 0;
 772
 773                 if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
 774                         continue;
 775
 776                 if (IS_SW_RESV_ADDR(id))
 777                         continue;
 778
 779                 found = 1;
 780
 781                 loop_id = le16_to_cpu(e->nport_handle);
 782                 loop_id = (loop_id & 0x7fff);
 783                 nvme_cls = e->current_login_state >> 4;
 784                 current_login_state = e->current_login_state & 0xf;
 785
 786                 if (PRLI_PHASE(nvme_cls)) {
 787                         current_login_state = nvme_cls;
 788                         fcport->fc4_type &= ~FS_FC4TYPE_FCP;
 789                         fcport->fc4_type |= FS_FC4TYPE_NVME;
 790                 } else if (PRLI_PHASE(current_login_state)) {
 791                         fcport->fc4_type |= FS_FC4TYPE_FCP;
 792                         fcport->fc4_type &= ~FS_FC4TYPE_NVME;
 793                 }
 794
 795                 ql_dbg(ql_dbg_disc, vha, 0x20e2,
 796                     "%s found %8phC CLS [%x|%x] fc4_type %d ID[%06x|%06x] lid[%d|%d]\n",
 797                     __func__, fcport->port_name,
 798                     e->current_login_state, fcport->fw_login_state,
 799                     fcport->fc4_type, id.b24, fcport->d_id.b24,
 800                     loop_id, fcport->loop_id);
 801
 802                 switch (fcport->disc_state) {
 803                 case DSC_DELETE_PEND:
 804                 case DSC_DELETED:
 805                         break;
 806                 default:
 807                         if ((id.b24 != fcport->d_id.b24 &&
 808                             fcport->d_id.b24 &&
 809                             fcport->loop_id != FC_NO_LOOP_ID) ||
 810                             (fcport->loop_id != FC_NO_LOOP_ID &&
 811                                 fcport->loop_id != loop_id)) {
 812                                 ql_dbg(ql_dbg_disc, vha, 0x20e3,
 813                                     "%s %d %8phC post del sess\n",
 814                                     __func__, __LINE__, fcport->port_name);
 815                                 if (fcport->n2n_flag)
 816                                         fcport->d_id.b24 = 0;
 817                                 qlt_schedule_sess_for_deletion(fcport);
 818                                 return;
 819                         }
 820                         break;
 821                 }
 822
 823                 fcport->loop_id = loop_id;
 824                 if (fcport->n2n_flag)
 825                         fcport->d_id.b24 = id.b24;
 826
 827                 wwn = wwn_to_u64(fcport->port_name);
 828                 qlt_find_sess_invalidate_other(vha, wwn,
 829                         id, loop_id, &conflict_fcport);
 830
 831                 if (conflict_fcport) {
 832                         /*
 833                          * Another share fcport share the same loop_id &
 834                          * nport id. Conflict fcport needs to finish
 835                          * cleanup before this fcport can proceed to login.
 836                          */
 837                         conflict_fcport->conflict = fcport;
 838                         fcport->login_pause = 1;
 839                 }
 840
 841                 switch (vha->hw->current_topology) {
 842                 default:
 843                         switch (current_login_state) {
 844                         case DSC_LS_PRLI_COMP:
 845                                 ql_dbg(ql_dbg_disc,
 846                                     vha, 0x20e4, "%s %d %8phC post gpdb\n",
 847                                     __func__, __LINE__, fcport->port_name);
 848
 849                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 850                                         fcport->port_type = FCT_INITIATOR;
 851                                 else
 852                                         fcport->port_type = FCT_TARGET;
 853                                 data[0] = data[1] = 0;
 854                                 qla2x00_post_async_adisc_work(vha, fcport,
 855                                     data);
 856                                 break;
 857                         case DSC_LS_PLOGI_COMP:
 858                                 if (vha->hw->flags.edif_enabled) {
 859                                         /* check to see if App support Secure */
 860                                         qla24xx_post_gpdb_work(vha, fcport, 0);
 861                                         break;
 862                                 }
 863                                 fallthrough;
 864                         case DSC_LS_PORT_UNAVAIL:
 865                         default:
 866                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
 867                                         qla2x00_find_new_loop_id(vha, fcport);
 868                                         fcport->fw_login_state =
 869                                             DSC_LS_PORT_UNAVAIL;
 870                                 }
 871                                 ql_dbg(ql_dbg_disc, vha, 0x20e5,
 872                                     "%s %d %8phC\n", __func__, __LINE__,
 873                                     fcport->port_name);
 874                                 qla24xx_fcport_handle_login(vha, fcport);
 875                                 break;
 876                         }
 877                         break;
 878                 case ISP_CFG_N:
 879                         fcport->fw_login_state = current_login_state;
 880                         fcport->d_id = id;
 881                         switch (current_login_state) {
 882                         case DSC_LS_PRLI_PEND:
 883                                 /*
 884                                  * In the middle of PRLI. Let it finish.
 885                                  * Allow relogin code to recheck state again
 886                                  * with GNL. Push disc_state back to DELETED
 887                                  * so GNL can go out again
 888                                  */
 889                                 qla2x00_set_fcport_disc_state(fcport,
 890                                     DSC_DELETED);
 891                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 892                                 break;
 893                         case DSC_LS_PRLI_COMP:
 894                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 895                                         fcport->port_type = FCT_INITIATOR;
 896                                 else
 897                                         fcport->port_type = FCT_TARGET;
 898
 899                                 data[0] = data[1] = 0;
 900                                 qla2x00_post_async_adisc_work(vha, fcport,
 901                                     data);
 902                                 break;
 903                         case DSC_LS_PLOGI_COMP:
 904                                 if (vha->hw->flags.edif_enabled &&
 905                                     DBELL_ACTIVE(vha)) {
 906                                         /* check to see if App support secure or not */
 907                                         qla24xx_post_gpdb_work(vha, fcport, 0);
 908                                         break;
 909                                 }
 910                                 if (fcport_is_bigger(fcport)) {
 911                                         /* local adapter is smaller */
 912                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 913                                                 qla2x00_clear_loop_id(fcport);
 914
 915                                         fcport->loop_id = loop_id;
 916                                         qla24xx_fcport_handle_login(vha,
 917                                             fcport);
 918                                         break;
 919                                 }
 920                                 fallthrough;
 921                         default:
 922                                 if (fcport_is_smaller(fcport)) {
 923                                         /* local adapter is bigger */
 924                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 925                                                 qla2x00_clear_loop_id(fcport);
 926
 927                                         fcport->loop_id = loop_id;
 928                                         qla24xx_fcport_handle_login(vha,
 929                                             fcport);
 930                                 }
 931                                 break;
 932                         }
 933                         break;
 934                 } /* switch (ha->current_topology) */
 935         }
 936
 937         if (!found) {
 938                 switch (vha->hw->current_topology) {
 939                 case ISP_CFG_F:
 940                 case ISP_CFG_FL:
 941                         for (i = 0; i < n; i++) {
 942                                 e = &vha->gnl.l[i];
 943                                 id.b.domain = e->port_id[0];
 944                                 id.b.area = e->port_id[1];
 945                                 id.b.al_pa = e->port_id[2];
 946                                 id.b.rsvd_1 = 0;
 947                                 loop_id = le16_to_cpu(e->nport_handle);
 948
 949                                 if (fcport->d_id.b24 == id.b24) {
 950                                         conflict_fcport =
 951                                             qla2x00_find_fcport_by_wwpn(vha,
 952                                                 e->port_name, 0);
 953                                         if (conflict_fcport) {
 954                                                 ql_dbg(ql_dbg_disc + ql_dbg_verbose,
 955                                                     vha, 0x20e5,
 956                                                     "%s %d %8phC post del sess\n",
 957                                                     __func__, __LINE__,
 958                                                     conflict_fcport->port_name);
 959                                                 qlt_schedule_sess_for_deletion
 960                                                         (conflict_fcport);
 961                                         }
 962                                 }
 963                                 /*
 964                                  * FW already picked this loop id for
 965                                  * another fcport
 966                                  */
 967                                 if (fcport->loop_id == loop_id)
 968                                         fcport->loop_id = FC_NO_LOOP_ID;
 969                         }
 970                         qla24xx_fcport_handle_login(vha, fcport);
 971                         break;
 972                 case ISP_CFG_N:
 973                         qla2x00_set_fcport_disc_state(fcport, DSC_DELETED);
 974                         if (time_after_eq(jiffies, fcport->dm_login_expire)) {
 975                                 if (fcport->n2n_link_reset_cnt < 2) {
 976                                         fcport->n2n_link_reset_cnt++;
 977                                         /*
 978                                          * remote port is not sending PLOGI.
 979                                          * Reset link to kick start his state
 980                                          * machine
 981                                          */
 982                                         set_bit(N2N_LINK_RESET,
 983                                             &vha->dpc_flags);
 984                                 } else {
 985                                         if (fcport->n2n_chip_reset < 1) {
 986                                                 ql_log(ql_log_info, vha, 0x705d,
 987                                                     "Chip reset to bring laser down");
 988                                                 set_bit(ISP_ABORT_NEEDED,
 989                                                     &vha->dpc_flags);
 990                                                 fcport->n2n_chip_reset++;
 991                                         } else {
 992                                                 ql_log(ql_log_info, vha, 0x705d,
 993                                                     "Remote port %8ph is not coming back\n",
 994                                                     fcport->port_name);
 995                                                 fcport->scan_state = 0;
 996                                         }
 997                                 }
 998                                 qla2xxx_wake_dpc(vha);
 999                         } else {
1000                                 /*
1001                                  * report port suppose to do PLOGI. Give him
1002                                  * more time. FW will catch it.
1003                                  */
1004                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1005                         }
1006                         break;
1007                 case ISP_CFG_NL:
1008                         qla24xx_fcport_handle_login(vha, fcport);
1009                         break;
1010                 default:
1011                         break;
1012                 }
1013         }
1014 } /* gnl_event */
1015
1016 static void qla24xx_async_gnl_sp_done(srb_t *sp, int res)
1017 {
1018         struct scsi_qla_host *vha = sp->vha;
1019         unsigned long flags;
1020         struct fc_port *fcport = NULL, *tf;
1021         u16 i, n = 0, loop_id;
1022         struct event_arg ea;
1023         struct get_name_list_extended *e;
1024         u64 wwn;
1025         struct list_head h;
1026         bool found = false;
1027
1028         ql_dbg(ql_dbg_disc, vha, 0x20e7,
1029             "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
1030             sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
1031             sp->u.iocb_cmd.u.mbx.in_mb[2]);
1032
1033
1034         sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE);
1035         memset(&ea, 0, sizeof(ea));
1036         ea.sp = sp;
1037         ea.rc = res;
1038
1039         if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
1040             sizeof(struct get_name_list_extended)) {
1041                 n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
1042                     sizeof(struct get_name_list_extended);
1043                 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
1044         }
1045
1046         for (i = 0; i < n; i++) {
1047                 e = &vha->gnl.l[i];
1048                 loop_id = le16_to_cpu(e->nport_handle);
1049                 /* mask out reserve bit */
1050                 loop_id = (loop_id & 0x7fff);
1051                 set_bit(loop_id, vha->hw->loop_id_map);
1052                 wwn = wwn_to_u64(e->port_name);
1053
1054                 ql_dbg(ql_dbg_disc, vha, 0x20e8,
1055                     "%s %8phC %02x:%02x:%02x CLS %x/%x lid %x \n",
1056                     __func__, &wwn, e->port_id[2], e->port_id[1],
1057                     e->port_id[0], e->current_login_state, e->last_login_state,
1058                     (loop_id & 0x7fff));
1059         }
1060
1061         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1062
1063         INIT_LIST_HEAD(&h);
1064         fcport = tf = NULL;
1065         if (!list_empty(&vha->gnl.fcports))
1066                 list_splice_init(&vha->gnl.fcports, &h);
1067         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1068
1069         list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
1070                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1071                 list_del_init(&fcport->gnl_entry);
1072                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1073                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1074                 ea.fcport = fcport;
1075
1076                 qla24xx_handle_gnl_done_event(vha, &ea);
1077         }
1078
1079         /* create new fcport if fw has knowledge of new sessions */
1080         for (i = 0; i < n; i++) {
1081                 port_id_t id;
1082                 u64 wwnn;
1083
1084                 e = &vha->gnl.l[i];
1085                 wwn = wwn_to_u64(e->port_name);
1086
1087                 found = false;
1088                 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
1089                         if (!memcmp((u8 *)&wwn, fcport->port_name,
1090                             WWN_SIZE)) {
1091                                 found = true;
1092                                 break;
1093                         }
1094                 }
1095
1096                 id.b.domain = e->port_id[2];
1097                 id.b.area = e->port_id[1];
1098                 id.b.al_pa = e->port_id[0];
1099                 id.b.rsvd_1 = 0;
1100
1101                 if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
1102                         ql_dbg(ql_dbg_disc, vha, 0x2065,
1103                             "%s %d %8phC %06x post new sess\n",
1104                             __func__, __LINE__, (u8 *)&wwn, id.b24);
1105                         wwnn = wwn_to_u64(e->node_name);
1106                         qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
1107                             (u8 *)&wwnn, NULL, 0);
1108                 }
1109         }
1110
1111         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1112         vha->gnl.sent = 0;
1113         if (!list_empty(&vha->gnl.fcports)) {
1114                 /* retrigger gnl */
1115                 list_for_each_entry_safe(fcport, tf, &vha->gnl.fcports,
1116                     gnl_entry) {
1117                         list_del_init(&fcport->gnl_entry);
1118                         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1119                         if (qla24xx_post_gnl_work(vha, fcport) == QLA_SUCCESS)
1120                                 break;
1121                 }
1122         }
1123         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1124
1125         /* ref: INIT */
1126         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1127 }
1128
1129 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
1130 {
1131         srb_t *sp;
1132         int rval = QLA_FUNCTION_FAILED;
1133         unsigned long flags;
1134         u16 *mb;
1135
1136         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
1137                 return rval;
1138
1139         ql_dbg(ql_dbg_disc, vha, 0x20d9,
1140             "Async-gnlist WWPN %8phC \n", fcport->port_name);
1141
1142         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1143         fcport->flags |= FCF_ASYNC_SENT;
1144         qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1145         fcport->last_rscn_gen = fcport->rscn_gen;
1146         fcport->last_login_gen = fcport->login_gen;
1147
1148         list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
1149         if (vha->gnl.sent) {
1150                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1151                 return QLA_SUCCESS;
1152         }
1153         vha->gnl.sent = 1;
1154         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1155
1156         /* ref: INIT */
1157         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1158         if (!sp)
1159                 goto done;
1160
1161         sp->type = SRB_MB_IOCB;
1162         sp->name = "gnlist";
1163         sp->gen1 = fcport->rscn_gen;
1164         sp->gen2 = fcport->login_gen;
1165         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
1166                               qla24xx_async_gnl_sp_done);
1167
1168         mb = sp->u.iocb_cmd.u.mbx.out_mb;
1169         mb[0] = MBC_PORT_NODE_NAME_LIST;
1170         mb[1] = BIT_2 | BIT_3;
1171         mb[2] = MSW(vha->gnl.ldma);
1172         mb[3] = LSW(vha->gnl.ldma);
1173         mb[6] = MSW(MSD(vha->gnl.ldma));
1174         mb[7] = LSW(MSD(vha->gnl.ldma));
1175         mb[8] = vha->gnl.size;
1176         mb[9] = vha->vp_idx;
1177
1178         ql_dbg(ql_dbg_disc, vha, 0x20da,
1179             "Async-%s - OUT WWPN %8phC hndl %x\n",
1180             sp->name, fcport->port_name, sp->handle);
1181
1182         rval = qla2x00_start_sp(sp);
1183         if (rval != QLA_SUCCESS)
1184                 goto done_free_sp;
1185
1186         return rval;
1187
1188 done_free_sp:
1189         /* ref: INIT */
1190         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1191 done:
1192         fcport->flags &= ~(FCF_ASYNC_ACTIVE | FCF_ASYNC_SENT);
1193         return rval;
1194 }
1195
1196 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1197 {
1198         struct qla_work_evt *e;
1199
1200         e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
1201         if (!e)
1202                 return QLA_FUNCTION_FAILED;
1203
1204         e->u.fcport.fcport = fcport;
1205         fcport->flags |= FCF_ASYNC_ACTIVE;
1206         return qla2x00_post_work(vha, e);
1207 }
1208
1209 static void qla24xx_async_gpdb_sp_done(srb_t *sp, int res)
1210 {
1211         struct scsi_qla_host *vha = sp->vha;
1212         struct qla_hw_data *ha = vha->hw;
1213         fc_port_t *fcport = sp->fcport;
1214         u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
1215         struct event_arg ea;
1216
1217         ql_dbg(ql_dbg_disc, vha, 0x20db,
1218             "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
1219             sp->name, res, fcport->port_name, mb[1], mb[2]);
1220
1221         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1222
1223         if (res == QLA_FUNCTION_TIMEOUT)
1224                 goto done;
1225
1226         memset(&ea, 0, sizeof(ea));
1227         ea.fcport = fcport;
1228         ea.sp = sp;
1229
1230         qla24xx_handle_gpdb_event(vha, &ea);
1231
1232 done:
1233         dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
1234                 sp->u.iocb_cmd.u.mbx.in_dma);
1235
1236         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1237 }
1238
1239 int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1240 {
1241         struct qla_work_evt *e;
1242
1243         if (vha->host->active_mode == MODE_TARGET)
1244                 return QLA_FUNCTION_FAILED;
1245
1246         e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
1247         if (!e)
1248                 return QLA_FUNCTION_FAILED;
1249
1250         e->u.fcport.fcport = fcport;
1251
1252         return qla2x00_post_work(vha, e);
1253 }
1254
1255 static void qla2x00_async_prli_sp_done(srb_t *sp, int res)
1256 {
1257         struct scsi_qla_host *vha = sp->vha;
1258         struct srb_iocb *lio = &sp->u.iocb_cmd;
1259         struct event_arg ea;
1260
1261         ql_dbg(ql_dbg_disc, vha, 0x2129,
1262             "%s %8phC res %x\n", __func__,
1263             sp->fcport->port_name, res);
1264
1265         sp->fcport->flags &= ~FCF_ASYNC_SENT;
1266
1267         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
1268                 memset(&ea, 0, sizeof(ea));
1269                 ea.fcport = sp->fcport;
1270                 ea.data[0] = lio->u.logio.data[0];
1271                 ea.data[1] = lio->u.logio.data[1];
1272                 ea.iop[0] = lio->u.logio.iop[0];
1273                 ea.iop[1] = lio->u.logio.iop[1];
1274                 ea.sp = sp;
1275                 if (res == QLA_OS_TIMER_EXPIRED)
1276                         ea.data[0] = QLA_OS_TIMER_EXPIRED;
1277                 else if (res)
1278                         ea.data[0] = MBS_COMMAND_ERROR;
1279
1280                 qla24xx_handle_prli_done_event(vha, &ea);
1281         }
1282
1283         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1284 }
1285
1286 int
1287 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
1288 {
1289         srb_t *sp;
1290         struct srb_iocb *lio;
1291         int rval = QLA_FUNCTION_FAILED;
1292
1293         if (!vha->flags.online) {
1294                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
1295                     __func__, __LINE__, fcport->port_name);
1296                 return rval;
1297         }
1298
1299         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
1300             fcport->fw_login_state == DSC_LS_PRLI_PEND) &&
1301             qla_dual_mode_enabled(vha)) {
1302                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
1303                     __func__, __LINE__, fcport->port_name);
1304                 return rval;
1305         }
1306
1307         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1308         if (!sp)
1309                 return rval;
1310
1311         fcport->flags |= FCF_ASYNC_SENT;
1312         fcport->logout_completed = 0;
1313
1314         sp->type = SRB_PRLI_CMD;
1315         sp->name = "prli";
1316         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
1317                               qla2x00_async_prli_sp_done);
1318
1319         lio = &sp->u.iocb_cmd;
1320         lio->u.logio.flags = 0;
1321
1322         if (NVME_TARGET(vha->hw, fcport))
1323                 lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
1324
1325         ql_dbg(ql_dbg_disc, vha, 0x211b,
1326             "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d fc4type %x priority %x %s.\n",
1327             fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24,
1328             fcport->login_retry, fcport->fc4_type, vha->hw->fc4_type_priority,
1329             NVME_TARGET(vha->hw, fcport) ? "nvme" : "fcp");
1330
1331         rval = qla2x00_start_sp(sp);
1332         if (rval != QLA_SUCCESS) {
1333                 fcport->flags |= FCF_LOGIN_NEEDED;
1334                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1335                 goto done_free_sp;
1336         }
1337
1338         return rval;
1339
1340 done_free_sp:
1341         /* ref: INIT */
1342         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1343         fcport->flags &= ~FCF_ASYNC_SENT;
1344         return rval;
1345 }
1346
1347 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1348 {
1349         struct qla_work_evt *e;
1350
1351         e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
1352         if (!e)
1353                 return QLA_FUNCTION_FAILED;
1354
1355         e->u.fcport.fcport = fcport;
1356         e->u.fcport.opt = opt;
1357         fcport->flags |= FCF_ASYNC_ACTIVE;
1358         return qla2x00_post_work(vha, e);
1359 }
1360
1361 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1362 {
1363         srb_t *sp;
1364         struct srb_iocb *mbx;
1365         int rval = QLA_FUNCTION_FAILED;
1366         u16 *mb;
1367         dma_addr_t pd_dma;
1368         struct port_database_24xx *pd;
1369         struct qla_hw_data *ha = vha->hw;
1370
1371         if (IS_SESSION_DELETED(fcport)) {
1372                 ql_log(ql_log_warn, vha, 0xffff,
1373                        "%s: %8phC is being delete - not sending command.\n",
1374                        __func__, fcport->port_name);
1375                 fcport->flags &= ~FCF_ASYNC_ACTIVE;
1376                 return rval;
1377         }
1378
1379         if (!vha->flags.online || fcport->flags & FCF_ASYNC_SENT) {
1380                 ql_log(ql_log_warn, vha, 0xffff,
1381                     "%s: %8phC online %d flags %x - not sending command.\n",
1382                     __func__, fcport->port_name, vha->flags.online, fcport->flags);
1383                 goto done;
1384         }
1385
1386         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1387         if (!sp)
1388                 goto done;
1389
1390         qla2x00_set_fcport_disc_state(fcport, DSC_GPDB);
1391
1392         fcport->flags |= FCF_ASYNC_SENT;
1393         sp->type = SRB_MB_IOCB;
1394         sp->name = "gpdb";
1395         sp->gen1 = fcport->rscn_gen;
1396         sp->gen2 = fcport->login_gen;
1397         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
1398                               qla24xx_async_gpdb_sp_done);
1399
1400         pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
1401         if (pd == NULL) {
1402                 ql_log(ql_log_warn, vha, 0xd043,
1403                     "Failed to allocate port database structure.\n");
1404                 goto done_free_sp;
1405         }
1406
1407         mb = sp->u.iocb_cmd.u.mbx.out_mb;
1408         mb[0] = MBC_GET_PORT_DATABASE;
1409         mb[1] = fcport->loop_id;
1410         mb[2] = MSW(pd_dma);
1411         mb[3] = LSW(pd_dma);
1412         mb[6] = MSW(MSD(pd_dma));
1413         mb[7] = LSW(MSD(pd_dma));
1414         mb[9] = vha->vp_idx;
1415         mb[10] = opt;
1416
1417         mbx = &sp->u.iocb_cmd;
1418         mbx->u.mbx.in = (void *)pd;
1419         mbx->u.mbx.in_dma = pd_dma;
1420
1421         ql_dbg(ql_dbg_disc, vha, 0x20dc,
1422             "Async-%s %8phC hndl %x opt %x\n",
1423             sp->name, fcport->port_name, sp->handle, opt);
1424
1425         rval = qla2x00_start_sp(sp);
1426         if (rval != QLA_SUCCESS)
1427                 goto done_free_sp;
1428         return rval;
1429
1430 done_free_sp:
1431         if (pd)
1432                 dma_pool_free(ha->s_dma_pool, pd, pd_dma);
1433
1434         kref_put(&sp->cmd_kref, qla2x00_sp_release);
1435         fcport->flags &= ~FCF_ASYNC_SENT;
1436 done:
1437         fcport->flags &= ~FCF_ASYNC_ACTIVE;
1438         qla24xx_post_gpdb_work(vha, fcport, opt);
1439         return rval;
1440 }
1441
1442 static
1443 void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1444 {
1445         unsigned long flags;
1446
1447         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1448         ea->fcport->login_gen++;
1449         ea->fcport->deleted = 0;
1450         ea->fcport->logout_on_delete = 1;
1451
1452         if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
1453                 vha->fcport_count++;
1454                 ea->fcport->login_succ = 1;
1455
1456                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1457                 qla24xx_sched_upd_fcport(ea->fcport);
1458                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1459         } else if (ea->fcport->login_succ) {
1460                 /*
1461                  * We have an existing session. A late RSCN delivery
1462                  * must have triggered the session to be re-validate.
1463                  * Session is still valid.
1464                  */
1465                 ql_dbg(ql_dbg_disc, vha, 0x20d6,
1466                     "%s %d %8phC session revalidate success\n",
1467                     __func__, __LINE__, ea->fcport->port_name);
1468                 qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_COMPLETE);
1469         }
1470         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1471 }
1472
1473 static int      qla_chk_secure_login(scsi_qla_host_t    *vha, fc_port_t *fcport,
1474         struct port_database_24xx *pd)
1475 {
1476         int rc = 0;
1477
1478         if (pd->secure_login) {
1479                 ql_dbg(ql_dbg_disc, vha, 0x104d,
1480                     "Secure Login established on %8phC\n",
1481                     fcport->port_name);
1482                 fcport->flags |= FCF_FCSP_DEVICE;
1483         } else {
1484                 ql_dbg(ql_dbg_disc, vha, 0x104d,
1485                     "non-Secure Login %8phC",
1486                     fcport->port_name);
1487                 fcport->flags &= ~FCF_FCSP_DEVICE;
1488         }
1489         if (vha->hw->flags.edif_enabled) {
1490                 if (fcport->flags & FCF_FCSP_DEVICE) {
1491                         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_AUTH_PEND);
1492                         /* Start edif prli timer & ring doorbell for app */
1493                         fcport->edif.rx_sa_set = 0;
1494                         fcport->edif.tx_sa_set = 0;
1495                         fcport->edif.rx_sa_pending = 0;
1496                         fcport->edif.tx_sa_pending = 0;
1497
1498                         qla2x00_post_aen_work(vha, FCH_EVT_PORT_ONLINE,
1499                             fcport->d_id.b24);
1500
1501                         if (DBELL_ACTIVE(vha)) {
1502                                 ql_dbg(ql_dbg_disc, vha, 0x20ef,
1503                                     "%s %d %8phC EDIF: post DB_AUTH: AUTH needed\n",
1504                                     __func__, __LINE__, fcport->port_name);
1505                                 fcport->edif.app_sess_online = 1;
1506
1507                                 qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_NEEDED,
1508                                     fcport->d_id.b24, 0, fcport);
1509                         }
1510
1511                         rc = 1;
1512                 } else if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
1513                         ql_dbg(ql_dbg_disc, vha, 0x2117,
1514                             "%s %d %8phC post prli\n",
1515                             __func__, __LINE__, fcport->port_name);
1516                         qla24xx_post_prli_work(vha, fcport);
1517                         rc = 1;
1518                 }
1519         }
1520         return rc;
1521 }
1522
1523 static
1524 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1525 {
1526         fc_port_t *fcport = ea->fcport;
1527         struct port_database_24xx *pd;
1528         struct srb *sp = ea->sp;
1529         uint8_t ls;
1530
1531         pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
1532
1533         fcport->flags &= ~FCF_ASYNC_SENT;
1534
1535         ql_dbg(ql_dbg_disc, vha, 0x20d2,
1536             "%s %8phC DS %d LS %x fc4_type %x rc %x\n", __func__,
1537             fcport->port_name, fcport->disc_state, pd->current_login_state,
1538             fcport->fc4_type, ea->rc);
1539
1540         if (fcport->disc_state == DSC_DELETE_PEND) {
1541                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC\n",
1542                        __func__, __LINE__, fcport->port_name);
1543                 return;
1544         }
1545
1546         if (NVME_TARGET(vha->hw, fcport))
1547                 ls = pd->current_login_state >> 4;
1548         else
1549                 ls = pd->current_login_state & 0xf;
1550
1551         if (ea->sp->gen2 != fcport->login_gen) {
1552                 /* target side must have changed it. */
1553
1554                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1555                     "%s %8phC generation changed\n",
1556                     __func__, fcport->port_name);
1557                 return;
1558         } else if (ea->sp->gen1 != fcport->rscn_gen) {
1559                 qla_rscn_replay(fcport);
1560                 qlt_schedule_sess_for_deletion(fcport);
1561                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n",
1562                        __func__, __LINE__, fcport->port_name, ls);
1563                 return;
1564         }
1565
1566         switch (ls) {
1567         case PDS_PRLI_COMPLETE:
1568                 __qla24xx_parse_gpdb(vha, fcport, pd);
1569                 break;
1570         case PDS_PLOGI_COMPLETE:
1571                 if (qla_chk_secure_login(vha, fcport, pd)) {
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                 fallthrough;
1577         case PDS_PLOGI_PENDING:
1578         case PDS_PRLI_PENDING:
1579         case PDS_PRLI2_PENDING:
1580                 /* Set discovery state back to GNL to Relogin attempt */
1581                 if (qla_dual_mode_enabled(vha) ||
1582                     qla_ini_mode_enabled(vha)) {
1583                         qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1584                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1585                 }
1586                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n",
1587                        __func__, __LINE__, fcport->port_name, ls);
1588                 return;
1589         case PDS_LOGO_PENDING:
1590         case PDS_PORT_UNAVAILABLE:
1591         default:
1592                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
1593                     __func__, __LINE__, fcport->port_name);
1594                 qlt_schedule_sess_for_deletion(fcport);
1595                 return;
1596         }
1597         __qla24xx_handle_gpdb_event(vha, ea);
1598 } /* gpdb event */
1599
1600 static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1601 {
1602         u8 login = 0;
1603         int rc;
1604
1605         ql_dbg(ql_dbg_disc, vha, 0x307b,
1606             "%s %8phC DS %d LS %d lid %d retries=%d\n",
1607             __func__, fcport->port_name, fcport->disc_state,
1608             fcport->fw_login_state, fcport->loop_id, fcport->login_retry);
1609
1610         if (qla_tgt_mode_enabled(vha))
1611                 return;
1612
1613         if (qla_dual_mode_enabled(vha)) {
1614                 if (N2N_TOPO(vha->hw)) {
1615                         u64 mywwn, wwn;
1616
1617                         mywwn = wwn_to_u64(vha->port_name);
1618                         wwn = wwn_to_u64(fcport->port_name);
1619                         if (mywwn > wwn)
1620                                 login = 1;
1621                         else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1622                             && time_after_eq(jiffies,
1623                                     fcport->plogi_nack_done_deadline))
1624                                 login = 1;
1625                 } else {
1626                         login = 1;
1627                 }
1628         } else {
1629                 /* initiator mode */
1630                 login = 1;
1631         }
1632
1633         if (login && fcport->login_retry) {
1634                 fcport->login_retry--;
1635                 if (fcport->loop_id == FC_NO_LOOP_ID) {
1636                         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
1637                         rc = qla2x00_find_new_loop_id(vha, fcport);
1638                         if (rc) {
1639                                 ql_dbg(ql_dbg_disc, vha, 0x20e6,
1640                                     "%s %d %8phC post del sess - out of loopid\n",
1641                                     __func__, __LINE__, fcport->port_name);
1642                                 fcport->scan_state = 0;
1643                                 qlt_schedule_sess_for_deletion(fcport);
1644                                 return;
1645                         }
1646                 }
1647                 ql_dbg(ql_dbg_disc, vha, 0x20bf,
1648                     "%s %d %8phC post login\n",
1649                     __func__, __LINE__, fcport->port_name);
1650                 qla2x00_post_async_login_work(vha, fcport, NULL);
1651         }
1652 }
1653
1654 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1655 {
1656         u16 data[2];
1657         u16 sec;
1658
1659         ql_dbg(ql_dbg_disc, vha, 0x20d8,
1660             "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d lid %d scan %d fc4type %x\n",
1661             __func__, fcport->port_name, fcport->disc_state,
1662             fcport->fw_login_state, fcport->login_pause, fcport->flags,
1663             fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
1664             fcport->login_gen, fcport->loop_id, fcport->scan_state,
1665             fcport->fc4_type);
1666
1667         if (fcport->scan_state != QLA_FCPORT_FOUND ||
1668             fcport->disc_state == DSC_DELETE_PEND)
1669                 return 0;
1670
1671         if ((fcport->loop_id != FC_NO_LOOP_ID) &&
1672             qla_dual_mode_enabled(vha) &&
1673             ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1674              (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
1675                 return 0;
1676
1677         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP &&
1678             !N2N_TOPO(vha->hw)) {
1679                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1680                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1681                         return 0;
1682                 }
1683         }
1684
1685         /* Target won't initiate port login if fabric is present */
1686         if (vha->host->active_mode == MODE_TARGET && !N2N_TOPO(vha->hw))
1687                 return 0;
1688
1689         if (fcport->flags & (FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE)) {
1690                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1691                 return 0;
1692         }
1693
1694         switch (fcport->disc_state) {
1695         case DSC_DELETED:
1696                 switch (vha->hw->current_topology) {
1697                 case ISP_CFG_N:
1698                         if (fcport_is_smaller(fcport)) {
1699                                 /* this adapter is bigger */
1700                                 if (fcport->login_retry) {
1701                                         if (fcport->loop_id == FC_NO_LOOP_ID) {
1702                                                 qla2x00_find_new_loop_id(vha,
1703                                                     fcport);
1704                                                 fcport->fw_login_state =
1705                                                     DSC_LS_PORT_UNAVAIL;
1706                                         }
1707                                         fcport->login_retry--;
1708                                         qla_post_els_plogi_work(vha, fcport);
1709                                 } else {
1710                                         ql_log(ql_log_info, vha, 0x705d,
1711                                             "Unable to reach remote port %8phC",
1712                                             fcport->port_name);
1713                                 }
1714                         } else {
1715                                 qla24xx_post_gnl_work(vha, fcport);
1716                         }
1717                         break;
1718                 default:
1719                         if (fcport->loop_id == FC_NO_LOOP_ID) {
1720                                 ql_dbg(ql_dbg_disc, vha, 0x20bd,
1721                                     "%s %d %8phC post gnl\n",
1722                                     __func__, __LINE__, fcport->port_name);
1723                                 qla24xx_post_gnl_work(vha, fcport);
1724                         } else {
1725                                 qla_chk_n2n_b4_login(vha, fcport);
1726                         }
1727                         break;
1728                 }
1729                 break;
1730
1731         case DSC_GNL:
1732                 switch (vha->hw->current_topology) {
1733                 case ISP_CFG_N:
1734                         if ((fcport->current_login_state & 0xf) == 0x6) {
1735                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1736                                     "%s %d %8phC post GPDB work\n",
1737                                     __func__, __LINE__, fcport->port_name);
1738                                 fcport->chip_reset =
1739                                         vha->hw->base_qpair->chip_reset;
1740                                 qla24xx_post_gpdb_work(vha, fcport, 0);
1741                         }  else {
1742                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1743                                     "%s %d %8phC post %s PRLI\n",
1744                                     __func__, __LINE__, fcport->port_name,
1745                                     NVME_TARGET(vha->hw, fcport) ? "NVME" :
1746                                     "FC");
1747                                 qla24xx_post_prli_work(vha, fcport);
1748                         }
1749                         break;
1750                 default:
1751                         if (fcport->login_pause) {
1752                                 ql_dbg(ql_dbg_disc, vha, 0x20d8,
1753                                     "%s %d %8phC exit\n",
1754                                     __func__, __LINE__,
1755                                     fcport->port_name);
1756                                 fcport->last_rscn_gen = fcport->rscn_gen;
1757                                 fcport->last_login_gen = fcport->login_gen;
1758                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1759                                 break;
1760                         }
1761                         qla_chk_n2n_b4_login(vha, fcport);
1762                         break;
1763                 }
1764                 break;
1765
1766         case DSC_LOGIN_FAILED:
1767                 if (N2N_TOPO(vha->hw))
1768                         qla_chk_n2n_b4_login(vha, fcport);
1769                 else
1770                         qlt_schedule_sess_for_deletion(fcport);
1771                 break;
1772
1773         case DSC_LOGIN_COMPLETE:
1774                 /* recheck login state */
1775                 data[0] = data[1] = 0;
1776                 qla2x00_post_async_adisc_work(vha, fcport, data);
1777                 break;
1778
1779         case DSC_LOGIN_PEND:
1780                 if (vha->hw->flags.edif_enabled)
1781                         break;
1782
1783                 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1784                         ql_dbg(ql_dbg_disc, vha, 0x2118,
1785                                "%s %d %8phC post %s PRLI\n",
1786                                __func__, __LINE__, fcport->port_name,
1787                                NVME_TARGET(vha->hw, fcport) ? "NVME" : "FC");
1788                         qla24xx_post_prli_work(vha, fcport);
1789                 }
1790                 break;
1791
1792         case DSC_UPD_FCPORT:
1793                 sec =  jiffies_to_msecs(jiffies -
1794                     fcport->jiffies_at_registration)/1000;
1795                 if (fcport->sec_since_registration < sec && sec &&
1796                     !(sec % 60)) {
1797                         fcport->sec_since_registration = sec;
1798                         ql_dbg(ql_dbg_disc, fcport->vha, 0xffff,
1799                             "%s %8phC - Slow Rport registration(%d Sec)\n",
1800                             __func__, fcport->port_name, sec);
1801                 }
1802
1803                 if (fcport->next_disc_state != DSC_DELETE_PEND)
1804                         fcport->next_disc_state = DSC_ADISC;
1805                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1806                 break;
1807
1808         default:
1809                 break;
1810         }
1811
1812         return 0;
1813 }
1814
1815 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1816     u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
1817 {
1818         struct qla_work_evt *e;
1819
1820         e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1821         if (!e)
1822                 return QLA_FUNCTION_FAILED;
1823
1824         e->u.new_sess.id = *id;
1825         e->u.new_sess.pla = pla;
1826         e->u.new_sess.fc4_type = fc4_type;
1827         memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1828         if (node_name)
1829                 memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
1830
1831         return qla2x00_post_work(vha, e);
1832 }
1833
1834 void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
1835 {
1836         fc_port_t *fcport;
1837         unsigned long flags;
1838
1839         switch (ea->id.b.rsvd_1) {
1840         case RSCN_PORT_ADDR:
1841                 fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
1842                 if (fcport) {
1843                         if (ql2xfc2target &&
1844                             fcport->flags & FCF_FCP2_DEVICE &&
1845                             atomic_read(&fcport->state) == FCS_ONLINE) {
1846                                 ql_dbg(ql_dbg_disc, vha, 0x2115,
1847                                        "Delaying session delete for FCP2 portid=%06x %8phC ",
1848                                         fcport->d_id.b24, fcport->port_name);
1849                                 return;
1850                         }
1851
1852                         if (vha->hw->flags.edif_enabled && DBELL_ACTIVE(vha)) {
1853                                 /*
1854                                  * On ipsec start by remote port, Target port
1855                                  * may use RSCN to trigger initiator to
1856                                  * relogin. If driver is already in the
1857                                  * process of a relogin, then ignore the RSCN
1858                                  * and allow the current relogin to continue.
1859                                  * This reduces thrashing of the connection.
1860                                  */
1861                                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1862                                         /*
1863                                          * If state = online, then set scan_needed=1 to do relogin.
1864                                          * Otherwise we're already in the middle of a relogin
1865                                          */
1866                                         fcport->scan_needed = 1;
1867                                         fcport->rscn_gen++;
1868                                 }
1869                         } else {
1870                                 fcport->scan_needed = 1;
1871                                 fcport->rscn_gen++;
1872                         }
1873                 }
1874                 break;
1875         case RSCN_AREA_ADDR:
1876                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1877                         if (fcport->flags & FCF_FCP2_DEVICE &&
1878                             atomic_read(&fcport->state) == FCS_ONLINE)
1879                                 continue;
1880
1881                         if ((ea->id.b24 & 0xffff00) == (fcport->d_id.b24 & 0xffff00)) {
1882                                 fcport->scan_needed = 1;
1883                                 fcport->rscn_gen++;
1884                         }
1885                 }
1886                 break;
1887         case RSCN_DOM_ADDR:
1888                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1889                         if (fcport->flags & FCF_FCP2_DEVICE &&
1890                             atomic_read(&fcport->state) == FCS_ONLINE)
1891                                 continue;
1892
1893                         if ((ea->id.b24 & 0xff0000) == (fcport->d_id.b24 & 0xff0000)) {
1894                                 fcport->scan_needed = 1;
1895                                 fcport->rscn_gen++;
1896                         }
1897                 }
1898                 break;
1899         case RSCN_FAB_ADDR:
1900         default:
1901                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1902                         if (fcport->flags & FCF_FCP2_DEVICE &&
1903                             atomic_read(&fcport->state) == FCS_ONLINE)
1904                                 continue;
1905
1906                         fcport->scan_needed = 1;
1907                         fcport->rscn_gen++;
1908                 }
1909                 break;
1910         }
1911
1912         spin_lock_irqsave(&vha->work_lock, flags);
1913         if (vha->scan.scan_flags == 0) {
1914                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s: schedule\n", __func__);
1915                 vha->scan.scan_flags |= SF_QUEUED;
1916                 schedule_delayed_work(&vha->scan.scan_work, 5);
1917         }
1918         spin_unlock_irqrestore(&vha->work_lock, flags);
1919 }
1920
1921 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1922         struct event_arg *ea)
1923 {
1924         fc_port_t *fcport = ea->fcport;
1925
1926         if (test_bit(UNLOADING, &vha->dpc_flags))
1927                 return;
1928
1929         ql_dbg(ql_dbg_disc, vha, 0x2102,
1930             "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1931             __func__, fcport->port_name, fcport->disc_state,
1932             fcport->fw_login_state, fcport->login_pause,
1933             fcport->deleted, fcport->conflict,
1934             fcport->last_rscn_gen, fcport->rscn_gen,
1935             fcport->last_login_gen, fcport->login_gen,
1936             fcport->flags);
1937
1938         if (fcport->last_rscn_gen != fcport->rscn_gen) {
1939                 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gnl\n",
1940                     __func__, __LINE__, fcport->port_name);
1941                 qla24xx_post_gnl_work(vha, fcport);
1942                 return;
1943         }
1944
1945         qla24xx_fcport_handle_login(vha, fcport);
1946 }
1947
1948 void qla_handle_els_plogi_done(scsi_qla_host_t *vha,
1949                                       struct event_arg *ea)
1950 {
1951         if (N2N_TOPO(vha->hw) && fcport_is_smaller(ea->fcport) &&
1952             vha->hw->flags.edif_enabled) {
1953                 /* check to see if App support Secure */
1954                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1955                 return;
1956         }
1957
1958         /* for pure Target Mode, PRLI will not be initiated */
1959         if (vha->host->active_mode == MODE_TARGET)
1960                 return;
1961
1962         ql_dbg(ql_dbg_disc, vha, 0x2118,
1963             "%s %d %8phC post PRLI\n",
1964             __func__, __LINE__, ea->fcport->port_name);
1965         qla24xx_post_prli_work(vha, ea->fcport);
1966 }
1967
1968 /*
1969  * RSCN(s) came in for this fcport, but the RSCN(s) was not able
1970  * to be consumed by the fcport
1971  */
1972 void qla_rscn_replay(fc_port_t *fcport)
1973 {
1974         struct event_arg ea;
1975
1976         switch (fcport->disc_state) {
1977         case DSC_DELETE_PEND:
1978                 return;
1979         default:
1980                 break;
1981         }
1982
1983         if (fcport->scan_needed) {
1984                 memset(&ea, 0, sizeof(ea));
1985                 ea.id = fcport->d_id;
1986                 ea.id.b.rsvd_1 = RSCN_PORT_ADDR;
1987                 qla2x00_handle_rscn(fcport->vha, &ea);
1988         }
1989 }
1990
1991 static void
1992 qla2x00_tmf_iocb_timeout(void *data)
1993 {
1994         srb_t *sp = data;
1995         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1996         int rc, h;
1997         unsigned long flags;
1998
1999         rc = qla24xx_async_abort_cmd(sp, false);
2000         if (rc) {
2001                 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
2002                 for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) {
2003                         if (sp->qpair->req->outstanding_cmds[h] == sp) {
2004                                 sp->qpair->req->outstanding_cmds[h] = NULL;
2005                                 qla_put_fw_resources(sp->qpair, &sp->iores);
2006                                 break;
2007                         }
2008                 }
2009                 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
2010                 tmf->u.tmf.comp_status = cpu_to_le16(CS_TIMEOUT);
2011                 tmf->u.tmf.data = QLA_FUNCTION_FAILED;
2012                 complete(&tmf->u.tmf.comp);
2013         }
2014 }
2015
2016 static void qla2x00_tmf_sp_done(srb_t *sp, int res)
2017 {
2018         struct srb_iocb *tmf = &sp->u.iocb_cmd;
2019
2020         complete(&tmf->u.tmf.comp);
2021 }
2022
2023 int
2024 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
2025         uint32_t tag)
2026 {
2027         struct scsi_qla_host *vha = fcport->vha;
2028         struct srb_iocb *tm_iocb;
2029         srb_t *sp;
2030         int rval = QLA_FUNCTION_FAILED;
2031
2032         /* ref: INIT */
2033         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2034         if (!sp)
2035                 goto done;
2036
2037         qla_vha_mark_busy(vha);
2038         sp->type = SRB_TM_CMD;
2039         sp->name = "tmf";
2040         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha),
2041                               qla2x00_tmf_sp_done);
2042         sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout;
2043
2044         tm_iocb = &sp->u.iocb_cmd;
2045         init_completion(&tm_iocb->u.tmf.comp);
2046         tm_iocb->u.tmf.flags = flags;
2047         tm_iocb->u.tmf.lun = lun;
2048
2049         ql_dbg(ql_dbg_taskm, vha, 0x802f,
2050             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
2051             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
2052             fcport->d_id.b.area, fcport->d_id.b.al_pa);
2053
2054         rval = qla2x00_start_sp(sp);
2055         if (rval != QLA_SUCCESS)
2056                 goto done_free_sp;
2057         wait_for_completion(&tm_iocb->u.tmf.comp);
2058
2059         rval = tm_iocb->u.tmf.data;
2060
2061         if (rval != QLA_SUCCESS) {
2062                 ql_log(ql_log_warn, vha, 0x8030,
2063                     "TM IOCB failed (%x).\n", rval);
2064         }
2065
2066         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
2067                 flags = tm_iocb->u.tmf.flags;
2068                 lun = (uint16_t)tm_iocb->u.tmf.lun;
2069
2070                 /* Issue Marker IOCB */
2071                 qla2x00_marker(vha, vha->hw->base_qpair,
2072                     fcport->loop_id, lun,
2073                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
2074         }
2075
2076 done_free_sp:
2077         /* ref: INIT */
2078         kref_put(&sp->cmd_kref, qla2x00_sp_release);
2079 done:
2080         return rval;
2081 }
2082
2083 int
2084 qla24xx_async_abort_command(srb_t *sp)
2085 {
2086         unsigned long   flags = 0;
2087
2088         uint32_t        handle;
2089         fc_port_t       *fcport = sp->fcport;
2090         struct qla_qpair *qpair = sp->qpair;
2091         struct scsi_qla_host *vha = fcport->vha;
2092         struct req_que *req = qpair->req;
2093
2094         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
2095         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
2096                 if (req->outstanding_cmds[handle] == sp)
2097                         break;
2098         }
2099         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
2100
2101         if (handle == req->num_outstanding_cmds) {
2102                 /* Command not found. */
2103                 return QLA_ERR_NOT_FOUND;
2104         }
2105         if (sp->type == SRB_FXIOCB_DCMD)
2106                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
2107                     FXDISC_ABORT_IOCTL);
2108
2109         return qla24xx_async_abort_cmd(sp, true);
2110 }
2111
2112 static void
2113 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
2114 {
2115         struct srb *sp;
2116         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
2117                   ea->data[0]);
2118
2119         switch (ea->data[0]) {
2120         case MBS_COMMAND_COMPLETE:
2121                 ql_dbg(ql_dbg_disc, vha, 0x2118,
2122                     "%s %d %8phC post gpdb\n",
2123                     __func__, __LINE__, ea->fcport->port_name);
2124
2125                 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2126                 ea->fcport->logout_on_delete = 1;
2127                 ea->fcport->nvme_prli_service_param = ea->iop[0];
2128                 if (ea->iop[0] & NVME_PRLI_SP_FIRST_BURST)
2129                         ea->fcport->nvme_first_burst_size =
2130                             (ea->iop[1] & 0xffff) * 512;
2131                 else
2132                         ea->fcport->nvme_first_burst_size = 0;
2133                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2134                 break;
2135         default:
2136                 sp = ea->sp;
2137                 ql_dbg(ql_dbg_disc, vha, 0x2118,
2138                        "%s %d %8phC priority %s, fc4type %x prev try %s\n",
2139                        __func__, __LINE__, ea->fcport->port_name,
2140                        vha->hw->fc4_type_priority == FC4_PRIORITY_FCP ?
2141                        "FCP" : "NVMe", ea->fcport->fc4_type,
2142                        (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI) ?
2143                         "NVME" : "FCP");
2144
2145                 if (NVME_FCP_TARGET(ea->fcport)) {
2146                         if (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI)
2147                                 ea->fcport->do_prli_nvme = 0;
2148                         else
2149                                 ea->fcport->do_prli_nvme = 1;
2150                 } else {
2151                         ea->fcport->do_prli_nvme = 0;
2152                 }
2153
2154                 if (N2N_TOPO(vha->hw)) {
2155                         if (ea->fcport->n2n_link_reset_cnt ==
2156                             vha->hw->login_retry_count &&
2157                             ea->fcport->flags & FCF_FCSP_DEVICE) {
2158                                 /* remote authentication app just started */
2159                                 ea->fcport->n2n_link_reset_cnt = 0;
2160                         }
2161
2162                         if (ea->fcport->n2n_link_reset_cnt <
2163                             vha->hw->login_retry_count) {
2164                                 ea->fcport->n2n_link_reset_cnt++;
2165                                 vha->relogin_jif = jiffies + 2 * HZ;
2166                                 /*
2167                                  * PRLI failed. Reset link to kick start
2168                                  * state machine
2169                                  */
2170                                 set_bit(N2N_LINK_RESET, &vha->dpc_flags);
2171                                 qla2xxx_wake_dpc(vha);
2172                         } else {
2173                                 ql_log(ql_log_warn, vha, 0x2119,
2174                                        "%s %d %8phC Unable to reconnect\n",
2175                                        __func__, __LINE__,
2176                                        ea->fcport->port_name);
2177                         }
2178                 } else {
2179                         /*
2180                          * switch connect. login failed. Take connection down
2181                          * and allow relogin to retrigger
2182                          */
2183                         ea->fcport->flags &= ~FCF_ASYNC_SENT;
2184                         ea->fcport->keep_nport_handle = 0;
2185                         ea->fcport->logout_on_delete = 1;
2186                         qlt_schedule_sess_for_deletion(ea->fcport);
2187                 }
2188                 break;
2189         }
2190 }
2191
2192 void
2193 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
2194 {
2195         port_id_t cid;  /* conflict Nport id */
2196         u16 lid;
2197         struct fc_port *conflict_fcport;
2198         unsigned long flags;
2199         struct fc_port *fcport = ea->fcport;
2200
2201         ql_dbg(ql_dbg_disc, vha, 0xffff,
2202             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
2203             __func__, fcport->port_name, fcport->disc_state,
2204             fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
2205             ea->sp->gen1, fcport->rscn_gen,
2206             ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
2207
2208         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
2209             (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
2210                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
2211                     "%s %d %8phC Remote is trying to login\n",
2212                     __func__, __LINE__, fcport->port_name);
2213                 return;
2214         }
2215
2216         if ((fcport->disc_state == DSC_DELETE_PEND) ||
2217             (fcport->disc_state == DSC_DELETED)) {
2218                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2219                 return;
2220         }
2221
2222         if (ea->sp->gen2 != fcport->login_gen) {
2223                 /* target side must have changed it. */
2224                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
2225                     "%s %8phC generation changed\n",
2226                     __func__, fcport->port_name);
2227                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2228                 return;
2229         } else if (ea->sp->gen1 != fcport->rscn_gen) {
2230                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
2231                     "%s %8phC RSCN generation changed\n",
2232                     __func__, fcport->port_name);
2233                 qla_rscn_replay(fcport);
2234                 qlt_schedule_sess_for_deletion(fcport);
2235                 return;
2236         }
2237
2238         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
2239                   ea->data[0]);
2240
2241         switch (ea->data[0]) {
2242         case MBS_COMMAND_COMPLETE:
2243                 /*
2244                  * Driver must validate login state - If PRLI not complete,
2245                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
2246                  * requests.
2247                  */
2248                 if (vha->hw->flags.edif_enabled) {
2249                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2250                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2251                         ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2252                         ea->fcport->logout_on_delete = 1;
2253                         ea->fcport->send_els_logo = 0;
2254                         ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
2255                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2256
2257                         qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2258                 } else {
2259                         if (NVME_TARGET(vha->hw, fcport)) {
2260                                 ql_dbg(ql_dbg_disc, vha, 0x2117,
2261                                     "%s %d %8phC post prli\n",
2262                                     __func__, __LINE__, fcport->port_name);
2263                                 qla24xx_post_prli_work(vha, fcport);
2264                         } else {
2265                                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
2266                                     "%s %d %8phC LoopID 0x%x in use with %06x. post gpdb\n",
2267                                     __func__, __LINE__, fcport->port_name,
2268                                     fcport->loop_id, fcport->d_id.b24);
2269
2270                                 set_bit(fcport->loop_id, vha->hw->loop_id_map);
2271                                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2272                                 fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2273                                 fcport->logout_on_delete = 1;
2274                                 fcport->send_els_logo = 0;
2275                                 fcport->fw_login_state = DSC_LS_PRLI_COMP;
2276                                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2277
2278                                 qla24xx_post_gpdb_work(vha, fcport, 0);
2279                         }
2280                 }
2281                 break;
2282         case MBS_COMMAND_ERROR:
2283                 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
2284                     __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
2285
2286                 qlt_schedule_sess_for_deletion(ea->fcport);
2287                 break;
2288         case MBS_LOOP_ID_USED:
2289                 /* data[1] = IO PARAM 1 = nport ID  */
2290                 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
2291                 cid.b.area   = (ea->iop[1] >>  8) & 0xff;
2292                 cid.b.al_pa  = ea->iop[1] & 0xff;
2293                 cid.b.rsvd_1 = 0;
2294
2295                 ql_dbg(ql_dbg_disc, vha, 0x20ec,
2296                     "%s %d %8phC lid %#x in use with pid %06x post gnl\n",
2297                     __func__, __LINE__, ea->fcport->port_name,
2298                     ea->fcport->loop_id, cid.b24);
2299
2300                 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2301                 ea->fcport->loop_id = FC_NO_LOOP_ID;
2302                 qla24xx_post_gnl_work(vha, ea->fcport);
2303                 break;
2304         case MBS_PORT_ID_USED:
2305                 lid = ea->iop[1] & 0xffff;
2306                 qlt_find_sess_invalidate_other(vha,
2307                     wwn_to_u64(ea->fcport->port_name),
2308                     ea->fcport->d_id, lid, &conflict_fcport);
2309
2310                 if (conflict_fcport) {
2311                         /*
2312                          * Another fcport share the same loop_id/nport id.
2313                          * Conflict fcport needs to finish cleanup before this
2314                          * fcport can proceed to login.
2315                          */
2316                         conflict_fcport->conflict = ea->fcport;
2317                         ea->fcport->login_pause = 1;
2318
2319                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2320                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x.\n",
2321                             __func__, __LINE__, ea->fcport->port_name,
2322                             ea->fcport->d_id.b24, lid);
2323                 } else {
2324                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2325                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
2326                             __func__, __LINE__, ea->fcport->port_name,
2327                             ea->fcport->d_id.b24, lid);
2328
2329                         qla2x00_clear_loop_id(ea->fcport);
2330                         set_bit(lid, vha->hw->loop_id_map);
2331                         ea->fcport->loop_id = lid;
2332                         ea->fcport->keep_nport_handle = 0;
2333                         ea->fcport->logout_on_delete = 1;
2334                         qlt_schedule_sess_for_deletion(ea->fcport);
2335                 }
2336                 break;
2337         }
2338         return;
2339 }
2340
2341 /****************************************************************************/
2342 /*                QLogic ISP2x00 Hardware Support Functions.                */
2343 /****************************************************************************/
2344
2345 static int
2346 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
2347 {
2348         int rval = QLA_SUCCESS;
2349         struct qla_hw_data *ha = vha->hw;
2350         uint32_t idc_major_ver, idc_minor_ver;
2351         uint16_t config[4];
2352
2353         qla83xx_idc_lock(vha, 0);
2354
2355         /* SV: TODO: Assign initialization timeout from
2356          * flash-info / other param
2357          */
2358         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
2359         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
2360
2361         /* Set our fcoe function presence */
2362         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
2363                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
2364                     "Error while setting DRV-Presence.\n");
2365                 rval = QLA_FUNCTION_FAILED;
2366                 goto exit;
2367         }
2368
2369         /* Decide the reset ownership */
2370         qla83xx_reset_ownership(vha);
2371
2372         /*
2373          * On first protocol driver load:
2374          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
2375          * register.
2376          * Others: Check compatibility with current IDC Major version.
2377          */
2378         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
2379         if (ha->flags.nic_core_reset_owner) {
2380                 /* Set IDC Major version */
2381                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
2382                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
2383
2384                 /* Clearing IDC-Lock-Recovery register */
2385                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
2386         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
2387                 /*
2388                  * Clear further IDC participation if we are not compatible with
2389                  * the current IDC Major Version.
2390                  */
2391                 ql_log(ql_log_warn, vha, 0xb07d,
2392                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
2393                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
2394                 __qla83xx_clear_drv_presence(vha);
2395                 rval = QLA_FUNCTION_FAILED;
2396                 goto exit;
2397         }
2398         /* Each function sets its supported Minor version. */
2399         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
2400         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
2401         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
2402
2403         if (ha->flags.nic_core_reset_owner) {
2404                 memset(config, 0, sizeof(config));
2405                 if (!qla81xx_get_port_config(vha, config))
2406                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
2407                             QLA8XXX_DEV_READY);
2408         }
2409
2410         rval = qla83xx_idc_state_handler(vha);
2411
2412 exit:
2413         qla83xx_idc_unlock(vha, 0);
2414
2415         return rval;
2416 }
2417
2418 /*
2419 * qla2x00_initialize_adapter
2420 *      Initialize board.
2421 *
2422 * Input:
2423 *      ha = adapter block pointer.
2424 *
2425 * Returns:
2426 *      0 = success
2427 */
2428 int
2429 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
2430 {
2431         int     rval;
2432         struct qla_hw_data *ha = vha->hw;
2433         struct req_que *req = ha->req_q_map[0];
2434         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2435
2436         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2437         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2438
2439         /* Clear adapter flags. */
2440         vha->flags.online = 0;
2441         ha->flags.chip_reset_done = 0;
2442         vha->flags.reset_active = 0;
2443         ha->flags.pci_channel_io_perm_failure = 0;
2444         ha->flags.eeh_busy = 0;
2445         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2446         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2447         atomic_set(&vha->loop_state, LOOP_DOWN);
2448         vha->device_flags = DFLG_NO_CABLE;
2449         vha->dpc_flags = 0;
2450         vha->flags.management_server_logged_in = 0;
2451         vha->marker_needed = 0;
2452         ha->isp_abort_cnt = 0;
2453         ha->beacon_blink_led = 0;
2454
2455         set_bit(0, ha->req_qid_map);
2456         set_bit(0, ha->rsp_qid_map);
2457
2458         ql_dbg(ql_dbg_init, vha, 0x0040,
2459             "Configuring PCI space...\n");
2460         rval = ha->isp_ops->pci_config(vha);
2461         if (rval) {
2462                 ql_log(ql_log_warn, vha, 0x0044,
2463                     "Unable to configure PCI space.\n");
2464                 return (rval);
2465         }
2466
2467         ha->isp_ops->reset_chip(vha);
2468
2469         /* Check for secure flash support */
2470         if (IS_QLA28XX(ha)) {
2471                 if (rd_reg_word(&reg->mailbox12) & BIT_0)
2472                         ha->flags.secure_adapter = 1;
2473                 ql_log(ql_log_info, vha, 0xffff, "Secure Adapter: %s\n",
2474                     (ha->flags.secure_adapter) ? "Yes" : "No");
2475         }
2476
2477
2478         rval = qla2xxx_get_flash_info(vha);
2479         if (rval) {
2480                 ql_log(ql_log_fatal, vha, 0x004f,
2481                     "Unable to validate FLASH data.\n");
2482                 return rval;
2483         }
2484
2485         if (IS_QLA8044(ha)) {
2486                 qla8044_read_reset_template(vha);
2487
2488                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
2489                  * If DONRESET_BIT0 is set, drivers should not set dev_state
2490                  * to NEED_RESET. But if NEED_RESET is set, drivers should
2491                  * should honor the reset. */
2492                 if (ql2xdontresethba == 1)
2493                         qla8044_set_idc_dontreset(vha);
2494         }
2495
2496         ha->isp_ops->get_flash_version(vha, req->ring);
2497         ql_dbg(ql_dbg_init, vha, 0x0061,
2498             "Configure NVRAM parameters...\n");
2499
2500         /* Let priority default to FCP, can be overridden by nvram_config */
2501         ha->fc4_type_priority = FC4_PRIORITY_FCP;
2502
2503         ha->isp_ops->nvram_config(vha);
2504
2505         if (ha->fc4_type_priority != FC4_PRIORITY_FCP &&
2506             ha->fc4_type_priority != FC4_PRIORITY_NVME)
2507                 ha->fc4_type_priority = FC4_PRIORITY_FCP;
2508
2509         ql_log(ql_log_info, vha, 0xffff, "FC4 priority set to %s\n",
2510                ha->fc4_type_priority == FC4_PRIORITY_FCP ? "FCP" : "NVMe");
2511
2512         if (ha->flags.disable_serdes) {
2513                 /* Mask HBA via NVRAM settings? */
2514                 ql_log(ql_log_info, vha, 0x0077,
2515                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
2516                 return QLA_FUNCTION_FAILED;
2517         }
2518
2519         ql_dbg(ql_dbg_init, vha, 0x0078,
2520             "Verifying loaded RISC code...\n");
2521
2522         /* If smartsan enabled then require fdmi and rdp enabled */
2523         if (ql2xsmartsan) {
2524                 ql2xfdmienable = 1;
2525                 ql2xrdpenable = 1;
2526         }
2527
2528         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
2529                 rval = ha->isp_ops->chip_diag(vha);
2530                 if (rval)
2531                         return (rval);
2532                 rval = qla2x00_setup_chip(vha);
2533                 if (rval)
2534                         return (rval);
2535         }
2536
2537         if (IS_QLA84XX(ha)) {
2538                 ha->cs84xx = qla84xx_get_chip(vha);
2539                 if (!ha->cs84xx) {
2540                         ql_log(ql_log_warn, vha, 0x00d0,
2541                             "Unable to configure ISP84XX.\n");
2542                         return QLA_FUNCTION_FAILED;
2543                 }
2544         }
2545
2546         if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2547                 rval = qla2x00_init_rings(vha);
2548
2549         /* No point in continuing if firmware initialization failed. */
2550         if (rval != QLA_SUCCESS)
2551                 return rval;
2552
2553         ha->flags.chip_reset_done = 1;
2554
2555         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2556                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
2557                 rval = qla84xx_init_chip(vha);
2558                 if (rval != QLA_SUCCESS) {
2559                         ql_log(ql_log_warn, vha, 0x00d4,
2560                             "Unable to initialize ISP84XX.\n");
2561                         qla84xx_put_chip(vha);
2562                 }
2563         }
2564
2565         /* Load the NIC Core f/w if we are the first protocol driver. */
2566         if (IS_QLA8031(ha)) {
2567                 rval = qla83xx_nic_core_fw_load(vha);
2568                 if (rval)
2569                         ql_log(ql_log_warn, vha, 0x0124,
2570                             "Error in initializing NIC Core f/w.\n");
2571         }
2572
2573         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
2574                 qla24xx_read_fcp_prio_cfg(vha);
2575
2576         if (IS_P3P_TYPE(ha))
2577                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
2578         else
2579                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
2580
2581         return (rval);
2582 }
2583
2584 /**
2585  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2586  * @vha: HA context
2587  *
2588  * Returns 0 on success.
2589  */
2590 int
2591 qla2100_pci_config(scsi_qla_host_t *vha)
2592 {
2593         uint16_t w;
2594         unsigned long flags;
2595         struct qla_hw_data *ha = vha->hw;
2596         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2597
2598         pci_set_master(ha->pdev);
2599         pci_try_set_mwi(ha->pdev);
2600
2601         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2602         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2603         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2604
2605         pci_disable_rom(ha->pdev);
2606
2607         /* Get PCI bus information. */
2608         spin_lock_irqsave(&ha->hardware_lock, flags);
2609         ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2610         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2611
2612         return QLA_SUCCESS;
2613 }
2614
2615 /**
2616  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2617  * @vha: HA context
2618  *
2619  * Returns 0 on success.
2620  */
2621 int
2622 qla2300_pci_config(scsi_qla_host_t *vha)
2623 {
2624         uint16_t        w;
2625         unsigned long   flags = 0;
2626         uint32_t        cnt;
2627         struct qla_hw_data *ha = vha->hw;
2628         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2629
2630         pci_set_master(ha->pdev);
2631         pci_try_set_mwi(ha->pdev);
2632
2633         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2634         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2635
2636         if (IS_QLA2322(ha) || IS_QLA6322(ha))
2637                 w &= ~PCI_COMMAND_INTX_DISABLE;
2638         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2639
2640         /*
2641          * If this is a 2300 card and not 2312, reset the
2642          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
2643          * the 2310 also reports itself as a 2300 so we need to get the
2644          * fb revision level -- a 6 indicates it really is a 2300 and
2645          * not a 2310.
2646          */
2647         if (IS_QLA2300(ha)) {
2648                 spin_lock_irqsave(&ha->hardware_lock, flags);
2649
2650                 /* Pause RISC. */
2651                 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2652                 for (cnt = 0; cnt < 30000; cnt++) {
2653                         if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2654                                 break;
2655
2656                         udelay(10);
2657                 }
2658
2659                 /* Select FPM registers. */
2660                 wrt_reg_word(&reg->ctrl_status, 0x20);
2661                 rd_reg_word(&reg->ctrl_status);
2662
2663                 /* Get the fb rev level */
2664                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2665
2666                 if (ha->fb_rev == FPM_2300)
2667                         pci_clear_mwi(ha->pdev);
2668
2669                 /* Deselect FPM registers. */
2670                 wrt_reg_word(&reg->ctrl_status, 0x0);
2671                 rd_reg_word(&reg->ctrl_status);
2672
2673                 /* Release RISC module. */
2674                 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2675                 for (cnt = 0; cnt < 30000; cnt++) {
2676                         if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2677                                 break;
2678
2679                         udelay(10);
2680                 }
2681
2682                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2683         }
2684
2685         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2686
2687         pci_disable_rom(ha->pdev);
2688
2689         /* Get PCI bus information. */
2690         spin_lock_irqsave(&ha->hardware_lock, flags);
2691         ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2692         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2693
2694         return QLA_SUCCESS;
2695 }
2696
2697 /**
2698  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2699  * @vha: HA context
2700  *
2701  * Returns 0 on success.
2702  */
2703 int
2704 qla24xx_pci_config(scsi_qla_host_t *vha)
2705 {
2706         uint16_t w;
2707         unsigned long flags = 0;
2708         struct qla_hw_data *ha = vha->hw;
2709         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2710
2711         pci_set_master(ha->pdev);
2712         pci_try_set_mwi(ha->pdev);
2713
2714         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2715         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2716         w &= ~PCI_COMMAND_INTX_DISABLE;
2717         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2718
2719         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2720
2721         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
2722         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
2723                 pcix_set_mmrbc(ha->pdev, 2048);
2724
2725         /* PCIe -- adjust Maximum Read Request Size (2048). */
2726         if (pci_is_pcie(ha->pdev))
2727                 pcie_set_readrq(ha->pdev, 4096);
2728
2729         pci_disable_rom(ha->pdev);
2730
2731         ha->chip_revision = ha->pdev->revision;
2732
2733         /* Get PCI bus information. */
2734         spin_lock_irqsave(&ha->hardware_lock, flags);
2735         ha->pci_attr = rd_reg_dword(&reg->ctrl_status);
2736         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2737
2738         return QLA_SUCCESS;
2739 }
2740
2741 /**
2742  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
2743  * @vha: HA context
2744  *
2745  * Returns 0 on success.
2746  */
2747 int
2748 qla25xx_pci_config(scsi_qla_host_t *vha)
2749 {
2750         uint16_t w;
2751         struct qla_hw_data *ha = vha->hw;
2752
2753         pci_set_master(ha->pdev);
2754         pci_try_set_mwi(ha->pdev);
2755
2756         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2757         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2758         w &= ~PCI_COMMAND_INTX_DISABLE;
2759         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2760
2761         /* PCIe -- adjust Maximum Read Request Size (2048). */
2762         if (pci_is_pcie(ha->pdev))
2763                 pcie_set_readrq(ha->pdev, 4096);
2764
2765         pci_disable_rom(ha->pdev);
2766
2767         ha->chip_revision = ha->pdev->revision;
2768
2769         return QLA_SUCCESS;
2770 }
2771
2772 /**
2773  * qla2x00_isp_firmware() - Choose firmware image.
2774  * @vha: HA context
2775  *
2776  * Returns 0 on success.
2777  */
2778 static int
2779 qla2x00_isp_firmware(scsi_qla_host_t *vha)
2780 {
2781         int  rval;
2782         uint16_t loop_id, topo, sw_cap;
2783         uint8_t domain, area, al_pa;
2784         struct qla_hw_data *ha = vha->hw;
2785
2786         /* Assume loading risc code */
2787         rval = QLA_FUNCTION_FAILED;
2788
2789         if (ha->flags.disable_risc_code_load) {
2790                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
2791
2792                 /* Verify checksum of loaded RISC code. */
2793                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
2794                 if (rval == QLA_SUCCESS) {
2795                         /* And, verify we are not in ROM code. */
2796                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2797                             &area, &domain, &topo, &sw_cap);
2798                 }
2799         }
2800
2801         if (rval)
2802                 ql_dbg(ql_dbg_init, vha, 0x007a,
2803                     "**** Load RISC code ****.\n");
2804
2805         return (rval);
2806 }
2807
2808 /**
2809  * qla2x00_reset_chip() - Reset ISP chip.
2810  * @vha: HA context
2811  *
2812  * Returns 0 on success.
2813  */
2814 int
2815 qla2x00_reset_chip(scsi_qla_host_t *vha)
2816 {
2817         unsigned long   flags = 0;
2818         struct qla_hw_data *ha = vha->hw;
2819         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2820         uint32_t        cnt;
2821         uint16_t        cmd;
2822         int rval = QLA_FUNCTION_FAILED;
2823
2824         if (unlikely(pci_channel_offline(ha->pdev)))
2825                 return rval;
2826
2827         ha->isp_ops->disable_intrs(ha);
2828
2829         spin_lock_irqsave(&ha->hardware_lock, flags);
2830
2831         /* Turn off master enable */
2832         cmd = 0;
2833         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
2834         cmd &= ~PCI_COMMAND_MASTER;
2835         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2836
2837         if (!IS_QLA2100(ha)) {
2838                 /* Pause RISC. */
2839                 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2840                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
2841                         for (cnt = 0; cnt < 30000; cnt++) {
2842                                 if ((rd_reg_word(&reg->hccr) &
2843                                     HCCR_RISC_PAUSE) != 0)
2844                                         break;
2845                                 udelay(100);
2846                         }
2847                 } else {
2848                         rd_reg_word(&reg->hccr);        /* PCI Posting. */
2849                         udelay(10);
2850                 }
2851
2852                 /* Select FPM registers. */
2853                 wrt_reg_word(&reg->ctrl_status, 0x20);
2854                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2855
2856                 /* FPM Soft Reset. */
2857                 wrt_reg_word(&reg->fpm_diag_config, 0x100);
2858                 rd_reg_word(&reg->fpm_diag_config);     /* PCI Posting. */
2859
2860                 /* Toggle Fpm Reset. */
2861                 if (!IS_QLA2200(ha)) {
2862                         wrt_reg_word(&reg->fpm_diag_config, 0x0);
2863                         rd_reg_word(&reg->fpm_diag_config); /* PCI Posting. */
2864                 }
2865
2866                 /* Select frame buffer registers. */
2867                 wrt_reg_word(&reg->ctrl_status, 0x10);
2868                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2869
2870                 /* Reset frame buffer FIFOs. */
2871                 if (IS_QLA2200(ha)) {
2872                         WRT_FB_CMD_REG(ha, reg, 0xa000);
2873                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
2874                 } else {
2875                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
2876
2877                         /* Read back fb_cmd until zero or 3 seconds max */
2878                         for (cnt = 0; cnt < 3000; cnt++) {
2879                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
2880                                         break;
2881                                 udelay(100);
2882                         }
2883                 }
2884
2885                 /* Select RISC module registers. */
2886                 wrt_reg_word(&reg->ctrl_status, 0);
2887                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2888
2889                 /* Reset RISC processor. */
2890                 wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
2891                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2892
2893                 /* Release RISC processor. */
2894                 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2895                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2896         }
2897
2898         wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
2899         wrt_reg_word(&reg->hccr, HCCR_CLR_HOST_INT);
2900
2901         /* Reset ISP chip. */
2902         wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2903
2904         /* Wait for RISC to recover from reset. */
2905         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2906                 /*
2907                  * It is necessary to for a delay here since the card doesn't
2908                  * respond to PCI reads during a reset. On some architectures
2909                  * this will result in an MCA.
2910                  */
2911                 udelay(20);
2912                 for (cnt = 30000; cnt; cnt--) {
2913                         if ((rd_reg_word(&reg->ctrl_status) &
2914                             CSR_ISP_SOFT_RESET) == 0)
2915                                 break;
2916                         udelay(100);
2917                 }
2918         } else
2919                 udelay(10);
2920
2921         /* Reset RISC processor. */
2922         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
2923
2924         wrt_reg_word(&reg->semaphore, 0);
2925
2926         /* Release RISC processor. */
2927         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2928         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
2929
2930         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2931                 for (cnt = 0; cnt < 30000; cnt++) {
2932                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
2933                                 break;
2934
2935                         udelay(100);
2936                 }
2937         } else
2938                 udelay(100);
2939
2940         /* Turn on master enable */
2941         cmd |= PCI_COMMAND_MASTER;
2942         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2943
2944         /* Disable RISC pause on FPM parity error. */
2945         if (!IS_QLA2100(ha)) {
2946                 wrt_reg_word(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
2947                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2948         }
2949
2950         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2951
2952         return QLA_SUCCESS;
2953 }
2954
2955 /**
2956  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2957  * @vha: HA context
2958  *
2959  * Returns 0 on success.
2960  */
2961 static int
2962 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2963 {
2964         uint16_t mb[4] = {0x1010, 0, 1, 0};
2965
2966         if (!IS_QLA81XX(vha->hw))
2967                 return QLA_SUCCESS;
2968
2969         return qla81xx_write_mpi_register(vha, mb);
2970 }
2971
2972 static int
2973 qla_chk_risc_recovery(scsi_qla_host_t *vha)
2974 {
2975         struct qla_hw_data *ha = vha->hw;
2976         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2977         __le16 __iomem *mbptr = &reg->mailbox0;
2978         int i;
2979         u16 mb[32];
2980         int rc = QLA_SUCCESS;
2981
2982         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
2983                 return rc;
2984
2985         /* this check is only valid after RISC reset */
2986         mb[0] = rd_reg_word(mbptr);
2987         mbptr++;
2988         if (mb[0] == 0xf) {
2989                 rc = QLA_FUNCTION_FAILED;
2990
2991                 for (i = 1; i < 32; i++) {
2992                         mb[i] = rd_reg_word(mbptr);
2993                         mbptr++;
2994                 }
2995
2996                 ql_log(ql_log_warn, vha, 0x1015,
2997                        "RISC reset failed. mb[0-7] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
2998                        mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6], mb[7]);
2999                 ql_log(ql_log_warn, vha, 0x1015,
3000                        "RISC reset failed. mb[8-15] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
3001                        mb[8], mb[9], mb[10], mb[11], mb[12], mb[13], mb[14],
3002                        mb[15]);
3003                 ql_log(ql_log_warn, vha, 0x1015,
3004                        "RISC reset failed. mb[16-23] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
3005                        mb[16], mb[17], mb[18], mb[19], mb[20], mb[21], mb[22],
3006                        mb[23]);
3007                 ql_log(ql_log_warn, vha, 0x1015,
3008                        "RISC reset failed. mb[24-31] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
3009                        mb[24], mb[25], mb[26], mb[27], mb[28], mb[29], mb[30],
3010                        mb[31]);
3011         }
3012         return rc;
3013 }
3014
3015 /**
3016  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
3017  * @vha: HA context
3018  *
3019  * Returns 0 on success.
3020  */
3021 static inline int
3022 qla24xx_reset_risc(scsi_qla_host_t *vha)
3023 {
3024         unsigned long flags = 0;
3025         struct qla_hw_data *ha = vha->hw;
3026         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3027         uint32_t cnt;
3028         uint16_t wd;
3029         static int abts_cnt; /* ISP abort retry counts */
3030         int rval = QLA_SUCCESS;
3031         int print = 1;
3032
3033         spin_lock_irqsave(&ha->hardware_lock, flags);
3034
3035         /* Reset RISC. */
3036         wrt_reg_dword(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
3037         for (cnt = 0; cnt < 30000; cnt++) {
3038                 if ((rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
3039                         break;
3040
3041                 udelay(10);
3042         }
3043
3044         if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
3045                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
3046
3047         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
3048             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
3049             rd_reg_dword(&reg->hccr),
3050             rd_reg_dword(&reg->ctrl_status),
3051             (rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
3052
3053         wrt_reg_dword(&reg->ctrl_status,
3054             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
3055         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
3056
3057         udelay(100);
3058
3059         /* Wait for firmware to complete NVRAM accesses. */
3060         rd_reg_word(&reg->mailbox0);
3061         for (cnt = 10000; rd_reg_word(&reg->mailbox0) != 0 &&
3062             rval == QLA_SUCCESS; cnt--) {
3063                 barrier();
3064                 if (cnt)
3065                         udelay(5);
3066                 else
3067                         rval = QLA_FUNCTION_TIMEOUT;
3068         }
3069
3070         if (rval == QLA_SUCCESS)
3071                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
3072
3073         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
3074             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
3075             rd_reg_dword(&reg->hccr),
3076             rd_reg_word(&reg->mailbox0));
3077
3078         /* Wait for soft-reset to complete. */
3079         rd_reg_dword(&reg->ctrl_status);
3080         for (cnt = 0; cnt < 60; cnt++) {
3081                 barrier();
3082                 if ((rd_reg_dword(&reg->ctrl_status) &
3083                     CSRX_ISP_SOFT_RESET) == 0)
3084                         break;
3085
3086                 udelay(5);
3087         }
3088         if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
3089                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
3090
3091         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
3092             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
3093             rd_reg_dword(&reg->hccr),
3094             rd_reg_dword(&reg->ctrl_status));
3095
3096         /* If required, do an MPI FW reset now */
3097         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
3098                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
3099                         if (++abts_cnt < 5) {
3100                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3101                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
3102                         } else {
3103                                 /*
3104                                  * We exhausted the ISP abort retries. We have to
3105                                  * set the board offline.
3106                                  */
3107                                 abts_cnt = 0;
3108                                 vha->flags.online = 0;
3109                         }
3110                 }
3111         }
3112
3113         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
3114         rd_reg_dword(&reg->hccr);
3115
3116         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3117         rd_reg_dword(&reg->hccr);
3118
3119         wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_RESET);
3120         mdelay(10);
3121         rd_reg_dword(&reg->hccr);
3122
3123         wd = rd_reg_word(&reg->mailbox0);
3124         for (cnt = 300; wd != 0 && rval == QLA_SUCCESS; cnt--) {
3125                 barrier();
3126                 if (cnt) {
3127                         mdelay(1);
3128                         if (print && qla_chk_risc_recovery(vha))
3129                                 print = 0;
3130
3131                         wd = rd_reg_word(&reg->mailbox0);
3132                 } else {
3133                         rval = QLA_FUNCTION_TIMEOUT;
3134
3135                         ql_log(ql_log_warn, vha, 0x015e,
3136                                "RISC reset timeout\n");
3137                 }
3138         }
3139
3140         if (rval == QLA_SUCCESS)
3141                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
3142
3143         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
3144             "Host Risc 0x%x, mailbox0 0x%x\n",
3145             rd_reg_dword(&reg->hccr),
3146              rd_reg_word(&reg->mailbox0));
3147
3148         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3149
3150         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
3151             "Driver in %s mode\n",
3152             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
3153
3154         if (IS_NOPOLLING_TYPE(ha))
3155                 ha->isp_ops->enable_intrs(ha);
3156
3157         return rval;
3158 }
3159
3160 static void
3161 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
3162 {
3163         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
3164
3165         wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
3166         *data = rd_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET);
3167 }
3168
3169 static void
3170 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
3171 {
3172         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
3173
3174         wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
3175         wrt_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET, data);
3176 }
3177
3178 static void
3179 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
3180 {
3181         uint32_t wd32 = 0;
3182         uint delta_msec = 100;
3183         uint elapsed_msec = 0;
3184         uint timeout_msec;
3185         ulong n;
3186
3187         if (vha->hw->pdev->subsystem_device != 0x0175 &&
3188             vha->hw->pdev->subsystem_device != 0x0240)
3189                 return;
3190
3191         wrt_reg_dword(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
3192         udelay(100);
3193
3194 attempt:
3195         timeout_msec = TIMEOUT_SEMAPHORE;
3196         n = timeout_msec / delta_msec;
3197         while (n--) {
3198                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
3199                 qla25xx_read_risc_sema_reg(vha, &wd32);
3200                 if (wd32 & RISC_SEMAPHORE)
3201                         break;
3202                 msleep(delta_msec);
3203                 elapsed_msec += delta_msec;
3204                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
3205                         goto force;
3206         }
3207
3208         if (!(wd32 & RISC_SEMAPHORE))
3209                 goto force;
3210
3211         if (!(wd32 & RISC_SEMAPHORE_FORCE))
3212                 goto acquired;
3213
3214         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
3215         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
3216         n = timeout_msec / delta_msec;
3217         while (n--) {
3218                 qla25xx_read_risc_sema_reg(vha, &wd32);
3219                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
3220                         break;
3221                 msleep(delta_msec);
3222                 elapsed_msec += delta_msec;
3223                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
3224                         goto force;
3225         }
3226
3227         if (wd32 & RISC_SEMAPHORE_FORCE)
3228                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
3229
3230         goto attempt;
3231
3232 force:
3233         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
3234
3235 acquired:
3236         return;
3237 }
3238
3239 /**
3240  * qla24xx_reset_chip() - Reset ISP24xx chip.
3241  * @vha: HA context
3242  *
3243  * Returns 0 on success.
3244  */
3245 int
3246 qla24xx_reset_chip(scsi_qla_host_t *vha)
3247 {
3248         struct qla_hw_data *ha = vha->hw;
3249         int rval = QLA_FUNCTION_FAILED;
3250
3251         if (pci_channel_offline(ha->pdev) &&
3252             ha->flags.pci_channel_io_perm_failure) {
3253                 return rval;
3254         }
3255
3256         ha->isp_ops->disable_intrs(ha);
3257
3258         qla25xx_manipulate_risc_semaphore(vha);
3259
3260         /* Perform RISC reset. */
3261         rval = qla24xx_reset_risc(vha);
3262
3263         return rval;
3264 }
3265
3266 /**
3267  * qla2x00_chip_diag() - Test chip for proper operation.
3268  * @vha: HA context
3269  *
3270  * Returns 0 on success.
3271  */
3272 int
3273 qla2x00_chip_diag(scsi_qla_host_t *vha)
3274 {
3275         int             rval;
3276         struct qla_hw_data *ha = vha->hw;
3277         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3278         unsigned long   flags = 0;
3279         uint16_t        data;
3280         uint32_t        cnt;
3281         uint16_t        mb[5];
3282         struct req_que *req = ha->req_q_map[0];
3283
3284         /* Assume a failed state */
3285         rval = QLA_FUNCTION_FAILED;
3286
3287         ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
3288                &reg->flash_address);
3289
3290         spin_lock_irqsave(&ha->hardware_lock, flags);
3291
3292         /* Reset ISP chip. */
3293         wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
3294
3295         /*
3296          * We need to have a delay here since the card will not respond while
3297          * in reset causing an MCA on some architectures.
3298          */
3299         udelay(20);
3300         data = qla2x00_debounce_register(&reg->ctrl_status);
3301         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
3302                 udelay(5);
3303                 data = rd_reg_word(&reg->ctrl_status);
3304                 barrier();
3305         }
3306
3307         if (!cnt)
3308                 goto chip_diag_failed;
3309
3310         ql_dbg(ql_dbg_init, vha, 0x007c,
3311             "Reset register cleared by chip reset.\n");
3312
3313         /* Reset RISC processor. */
3314         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
3315         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
3316
3317         /* Workaround for QLA2312 PCI parity error */
3318         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
3319                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
3320                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
3321                         udelay(5);
3322                         data = RD_MAILBOX_REG(ha, reg, 0);
3323                         barrier();
3324                 }
3325         } else
3326                 udelay(10);
3327
3328         if (!cnt)
3329                 goto chip_diag_failed;
3330
3331         /* Check product ID of chip */
3332         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
3333
3334         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
3335         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
3336         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
3337         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
3338         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
3339             mb[3] != PROD_ID_3) {
3340                 ql_log(ql_log_warn, vha, 0x0062,
3341                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
3342                     mb[1], mb[2], mb[3]);
3343
3344                 goto chip_diag_failed;
3345         }
3346         ha->product_id[0] = mb[1];
3347         ha->product_id[1] = mb[2];
3348         ha->product_id[2] = mb[3];
3349         ha->product_id[3] = mb[4];
3350
3351         /* Adjust fw RISC transfer size */
3352         if (req->length > 1024)
3353                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
3354         else
3355                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
3356                     req->length;
3357
3358         if (IS_QLA2200(ha) &&
3359             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
3360                 /* Limit firmware transfer size with a 2200A */
3361                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
3362
3363                 ha->device_type |= DT_ISP2200A;
3364                 ha->fw_transfer_size = 128;
3365         }
3366
3367         /* Wrap Incoming Mailboxes Test. */
3368         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3369
3370         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
3371         rval = qla2x00_mbx_reg_test(vha);
3372         if (rval)
3373                 ql_log(ql_log_warn, vha, 0x0080,
3374                     "Failed mailbox send register test.\n");
3375         else
3376                 /* Flag a successful rval */
3377                 rval = QLA_SUCCESS;
3378         spin_lock_irqsave(&ha->hardware_lock, flags);
3379
3380 chip_diag_failed:
3381         if (rval)
3382                 ql_log(ql_log_info, vha, 0x0081,
3383                     "Chip diagnostics **** FAILED ****.\n");
3384
3385         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3386
3387         return (rval);
3388 }
3389
3390 /**
3391  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
3392  * @vha: HA context
3393  *
3394  * Returns 0 on success.
3395  */
3396 int
3397 qla24xx_chip_diag(scsi_qla_host_t *vha)
3398 {
3399         int rval;
3400         struct qla_hw_data *ha = vha->hw;
3401         struct req_que *req = ha->req_q_map[0];
3402
3403         if (IS_P3P_TYPE(ha))
3404                 return QLA_SUCCESS;
3405
3406         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
3407
3408         rval = qla2x00_mbx_reg_test(vha);
3409         if (rval) {
3410                 ql_log(ql_log_warn, vha, 0x0082,
3411                     "Failed mailbox send register test.\n");
3412         } else {
3413                 /* Flag a successful rval */
3414                 rval = QLA_SUCCESS;
3415         }
3416
3417         return rval;
3418 }
3419
3420 static void
3421 qla2x00_init_fce_trace(scsi_qla_host_t *vha)
3422 {
3423         int rval;
3424         dma_addr_t tc_dma;
3425         void *tc;
3426         struct qla_hw_data *ha = vha->hw;
3427
3428         if (!IS_FWI2_CAPABLE(ha))
3429                 return;
3430
3431         if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3432             !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3433                 return;
3434
3435         if (ha->fce) {
3436                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3437                        "%s: FCE Mem is already allocated.\n",
3438                        __func__);
3439                 return;
3440         }
3441
3442         /* Allocate memory for Fibre Channel Event Buffer. */
3443         tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
3444                                 GFP_KERNEL);
3445         if (!tc) {
3446                 ql_log(ql_log_warn, vha, 0x00be,
3447                        "Unable to allocate (%d KB) for FCE.\n",
3448                        FCE_SIZE / 1024);
3449                 return;
3450         }
3451
3452         rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
3453                                         ha->fce_mb, &ha->fce_bufs);
3454         if (rval) {
3455                 ql_log(ql_log_warn, vha, 0x00bf,
3456                        "Unable to initialize FCE (%d).\n", rval);
3457                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, tc_dma);
3458                 return;
3459         }
3460
3461         ql_dbg(ql_dbg_init, vha, 0x00c0,
3462                "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
3463
3464         ha->flags.fce_enabled = 1;
3465         ha->fce_dma = tc_dma;
3466         ha->fce = tc;
3467 }
3468
3469 static void
3470 qla2x00_init_eft_trace(scsi_qla_host_t *vha)
3471 {
3472         int rval;
3473         dma_addr_t tc_dma;
3474         void *tc;
3475         struct qla_hw_data *ha = vha->hw;
3476
3477         if (!IS_FWI2_CAPABLE(ha))
3478                 return;
3479
3480         if (ha->eft) {
3481                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3482                     "%s: EFT Mem is already allocated.\n",
3483                     __func__);
3484                 return;
3485         }
3486
3487         /* Allocate memory for Extended Trace Buffer. */
3488         tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
3489                                 GFP_KERNEL);
3490         if (!tc) {
3491                 ql_log(ql_log_warn, vha, 0x00c1,
3492                        "Unable to allocate (%d KB) for EFT.\n",
3493                        EFT_SIZE / 1024);
3494                 return;
3495         }
3496
3497         rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
3498         if (rval) {
3499                 ql_log(ql_log_warn, vha, 0x00c2,
3500                        "Unable to initialize EFT (%d).\n", rval);
3501                 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, tc_dma);
3502                 return;
3503         }
3504
3505         ql_dbg(ql_dbg_init, vha, 0x00c3,
3506                "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3507
3508         ha->eft_dma = tc_dma;
3509         ha->eft = tc;
3510 }
3511
3512 static void
3513 qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
3514 {
3515         qla2x00_init_fce_trace(vha);
3516         qla2x00_init_eft_trace(vha);
3517 }
3518
3519 void
3520 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
3521 {
3522         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
3523             eft_size, fce_size, mq_size;
3524         struct qla_hw_data *ha = vha->hw;
3525         struct req_que *req = ha->req_q_map[0];
3526         struct rsp_que *rsp = ha->rsp_q_map[0];
3527         struct qla2xxx_fw_dump *fw_dump;
3528
3529         if (ha->fw_dump) {
3530                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3531                     "Firmware dump already allocated.\n");
3532                 return;
3533         }
3534
3535         ha->fw_dumped = 0;
3536         ha->fw_dump_cap_flags = 0;
3537         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
3538         req_q_size = rsp_q_size = 0;
3539
3540         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3541                 fixed_size = sizeof(struct qla2100_fw_dump);
3542         } else if (IS_QLA23XX(ha)) {
3543                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
3544                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
3545                     sizeof(uint16_t);
3546         } else if (IS_FWI2_CAPABLE(ha)) {
3547                 if (IS_QLA83XX(ha))
3548                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
3549                 else if (IS_QLA81XX(ha))
3550                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
3551                 else if (IS_QLA25XX(ha))
3552                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
3553                 else
3554                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
3555
3556                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
3557                     sizeof(uint32_t);
3558                 if (ha->mqenable) {
3559                         if (!IS_QLA83XX(ha))
3560                                 mq_size = sizeof(struct qla2xxx_mq_chain);
3561                         /*
3562                          * Allocate maximum buffer size for all queues - Q0.
3563                          * Resizing must be done at end-of-dump processing.
3564                          */
3565                         mq_size += (ha->max_req_queues - 1) *
3566                             (req->length * sizeof(request_t));
3567                         mq_size += (ha->max_rsp_queues - 1) *
3568                             (rsp->length * sizeof(response_t));
3569                 }
3570                 if (ha->tgt.atio_ring)
3571                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
3572
3573                 qla2x00_init_fce_trace(vha);
3574                 if (ha->fce)
3575                         fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
3576                 qla2x00_init_eft_trace(vha);
3577                 if (ha->eft)
3578                         eft_size = EFT_SIZE;
3579         }
3580
3581         if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3582                 struct fwdt *fwdt = ha->fwdt;
3583                 uint j;
3584
3585                 for (j = 0; j < 2; j++, fwdt++) {
3586                         if (!fwdt->template) {
3587                                 ql_dbg(ql_dbg_init, vha, 0x00ba,
3588                                     "-> fwdt%u no template\n", j);
3589                                 continue;
3590                         }
3591                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3592                             "-> fwdt%u calculating fwdump size...\n", j);
3593                         fwdt->dump_size = qla27xx_fwdt_calculate_dump_size(
3594                             vha, fwdt->template);
3595                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3596                             "-> fwdt%u calculated fwdump size = %#lx bytes\n",
3597                             j, fwdt->dump_size);
3598                         dump_size += fwdt->dump_size;
3599                 }
3600                 /* Add space for spare MPI fw dump. */
3601                 dump_size += ha->fwdt[1].dump_size;
3602         } else {
3603                 req_q_size = req->length * sizeof(request_t);
3604                 rsp_q_size = rsp->length * sizeof(response_t);
3605                 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
3606                 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size
3607                         + eft_size;
3608                 ha->chain_offset = dump_size;
3609                 dump_size += mq_size + fce_size;
3610                 if (ha->exchoffld_buf)
3611                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3612                                 ha->exchoffld_size;
3613                 if (ha->exlogin_buf)
3614                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3615                                 ha->exlogin_size;
3616         }
3617
3618         if (!ha->fw_dump_len || dump_size > ha->fw_dump_alloc_len) {
3619
3620                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3621                     "%s dump_size %d fw_dump_len %d fw_dump_alloc_len %d\n",
3622                     __func__, dump_size, ha->fw_dump_len,
3623                     ha->fw_dump_alloc_len);
3624
3625                 fw_dump = vmalloc(dump_size);
3626                 if (!fw_dump) {
3627                         ql_log(ql_log_warn, vha, 0x00c4,
3628                             "Unable to allocate (%d KB) for firmware dump.\n",
3629                             dump_size / 1024);
3630                 } else {
3631                         mutex_lock(&ha->optrom_mutex);
3632                         if (ha->fw_dumped) {
3633                                 memcpy(fw_dump, ha->fw_dump, ha->fw_dump_len);
3634                                 vfree(ha->fw_dump);
3635                                 ha->fw_dump = fw_dump;
3636                                 ha->fw_dump_alloc_len =  dump_size;
3637                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3638                                     "Re-Allocated (%d KB) and save firmware dump.\n",
3639                                     dump_size / 1024);
3640                         } else {
3641                                 vfree(ha->fw_dump);
3642                                 ha->fw_dump = fw_dump;
3643
3644                                 ha->fw_dump_len = ha->fw_dump_alloc_len =
3645                                     dump_size;
3646                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3647                                     "Allocated (%d KB) for firmware dump.\n",
3648                                     dump_size / 1024);
3649
3650                                 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3651                                         ha->mpi_fw_dump = (char *)fw_dump +
3652                                                 ha->fwdt[1].dump_size;
3653                                         mutex_unlock(&ha->optrom_mutex);
3654                                         return;
3655                                 }
3656
3657                                 ha->fw_dump->signature[0] = 'Q';
3658                                 ha->fw_dump->signature[1] = 'L';
3659                                 ha->fw_dump->signature[2] = 'G';
3660                                 ha->fw_dump->signature[3] = 'C';
3661                                 ha->fw_dump->version = htonl(1);
3662
3663                                 ha->fw_dump->fixed_size = htonl(fixed_size);
3664                                 ha->fw_dump->mem_size = htonl(mem_size);
3665                                 ha->fw_dump->req_q_size = htonl(req_q_size);
3666                                 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3667
3668                                 ha->fw_dump->eft_size = htonl(eft_size);
3669                                 ha->fw_dump->eft_addr_l =
3670                                     htonl(LSD(ha->eft_dma));
3671                                 ha->fw_dump->eft_addr_h =
3672                                     htonl(MSD(ha->eft_dma));
3673
3674                                 ha->fw_dump->header_size =
3675                                         htonl(offsetof
3676                                             (struct qla2xxx_fw_dump, isp));
3677                         }
3678                         mutex_unlock(&ha->optrom_mutex);
3679                 }
3680         }
3681 }
3682
3683 static int
3684 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3685 {
3686 #define MPS_MASK        0xe0
3687         int rval;
3688         uint16_t dc;
3689         uint32_t dw;
3690
3691         if (!IS_QLA81XX(vha->hw))
3692                 return QLA_SUCCESS;
3693
3694         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3695         if (rval != QLA_SUCCESS) {
3696                 ql_log(ql_log_warn, vha, 0x0105,
3697                     "Unable to acquire semaphore.\n");
3698                 goto done;
3699         }
3700
3701         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3702         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3703         if (rval != QLA_SUCCESS) {
3704                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3705                 goto done_release;
3706         }
3707
3708         dc &= MPS_MASK;
3709         if (dc == (dw & MPS_MASK))
3710                 goto done_release;
3711
3712         dw &= ~MPS_MASK;
3713         dw |= dc;
3714         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3715         if (rval != QLA_SUCCESS) {
3716                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3717         }
3718
3719 done_release:
3720         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3721         if (rval != QLA_SUCCESS) {
3722                 ql_log(ql_log_warn, vha, 0x006d,
3723                     "Unable to release semaphore.\n");
3724         }
3725
3726 done:
3727         return rval;
3728 }
3729
3730 int
3731 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3732 {
3733         /* Don't try to reallocate the array */
3734         if (req->outstanding_cmds)
3735                 return QLA_SUCCESS;
3736
3737         if (!IS_FWI2_CAPABLE(ha))
3738                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
3739         else {
3740                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
3741                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3742                 else
3743                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3744         }
3745
3746         req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3747                                         sizeof(srb_t *),
3748                                         GFP_KERNEL);
3749
3750         if (!req->outstanding_cmds) {
3751                 /*
3752                  * Try to allocate a minimal size just so we can get through
3753                  * initialization.
3754                  */
3755                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3756                 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3757                                                 sizeof(srb_t *),
3758                                                 GFP_KERNEL);
3759
3760                 if (!req->outstanding_cmds) {
3761                         ql_log(ql_log_fatal, NULL, 0x0126,
3762                             "Failed to allocate memory for "
3763                             "outstanding_cmds for req_que %p.\n", req);
3764                         req->num_outstanding_cmds = 0;
3765                         return QLA_FUNCTION_FAILED;
3766                 }
3767         }
3768
3769         return QLA_SUCCESS;
3770 }
3771
3772 #define PRINT_FIELD(_field, _flag, _str) {              \
3773         if (a0->_field & _flag) {\
3774                 if (p) {\
3775                         strcat(ptr, "|");\
3776                         ptr++;\
3777                         leftover--;\
3778                 } \
3779                 len = snprintf(ptr, leftover, "%s", _str);      \
3780                 p = 1;\
3781                 leftover -= len;\
3782                 ptr += len; \
3783         } \
3784 }
3785
3786 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
3787 {
3788 #define STR_LEN 64
3789         struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
3790         u8 str[STR_LEN], *ptr, p;
3791         int leftover, len;
3792
3793         memset(str, 0, STR_LEN);
3794         snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
3795         ql_dbg(ql_dbg_init, vha, 0x015a,
3796             "SFP MFG Name: %s\n", str);
3797
3798         memset(str, 0, STR_LEN);
3799         snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
3800         ql_dbg(ql_dbg_init, vha, 0x015c,
3801             "SFP Part Name: %s\n", str);
3802
3803         /* media */
3804         memset(str, 0, STR_LEN);
3805         ptr = str;
3806         leftover = STR_LEN;
3807         p = len = 0;
3808         PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
3809         PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
3810         PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
3811         PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
3812         PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
3813         PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
3814         PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
3815         ql_dbg(ql_dbg_init, vha, 0x0160,
3816             "SFP Media: %s\n", str);
3817
3818         /* link length */
3819         memset(str, 0, STR_LEN);
3820         ptr = str;
3821         leftover = STR_LEN;
3822         p = len = 0;
3823         PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
3824         PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
3825         PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
3826         PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
3827         PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
3828         ql_dbg(ql_dbg_init, vha, 0x0196,
3829             "SFP Link Length: %s\n", str);
3830
3831         memset(str, 0, STR_LEN);
3832         ptr = str;
3833         leftover = STR_LEN;
3834         p = len = 0;
3835         PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
3836         PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
3837         PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
3838         PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
3839         PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
3840         ql_dbg(ql_dbg_init, vha, 0x016e,
3841             "SFP FC Link Tech: %s\n", str);
3842
3843         if (a0->length_km)
3844                 ql_dbg(ql_dbg_init, vha, 0x016f,
3845                     "SFP Distant: %d km\n", a0->length_km);
3846         if (a0->length_100m)
3847                 ql_dbg(ql_dbg_init, vha, 0x0170,
3848                     "SFP Distant: %d m\n", a0->length_100m*100);
3849         if (a0->length_50um_10m)
3850                 ql_dbg(ql_dbg_init, vha, 0x0189,
3851                     "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
3852         if (a0->length_62um_10m)
3853                 ql_dbg(ql_dbg_init, vha, 0x018a,
3854                   "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
3855         if (a0->length_om4_10m)
3856                 ql_dbg(ql_dbg_init, vha, 0x0194,
3857                     "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
3858         if (a0->length_om3_10m)
3859                 ql_dbg(ql_dbg_init, vha, 0x0195,
3860                     "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
3861 }
3862
3863
3864 /**
3865  * qla24xx_detect_sfp()
3866  *
3867  * @vha: adapter state pointer.
3868  *
3869  * @return
3870  *      0 -- Configure firmware to use short-range settings -- normal
3871  *           buffer-to-buffer credits.
3872  *
3873  *      1 -- Configure firmware to use long-range settings -- extra
3874  *           buffer-to-buffer credits should be allocated with
3875  *           ha->lr_distance containing distance settings from NVRAM or SFP
3876  *           (if supported).
3877  */
3878 int
3879 qla24xx_detect_sfp(scsi_qla_host_t *vha)
3880 {
3881         int rc, used_nvram;
3882         struct sff_8247_a0 *a;
3883         struct qla_hw_data *ha = vha->hw;
3884         struct nvram_81xx *nv = ha->nvram;
3885 #define LR_DISTANCE_UNKNOWN     2
3886         static const char * const types[] = { "Short", "Long" };
3887         static const char * const lengths[] = { "(10km)", "(5km)", "" };
3888         u8 ll = 0;
3889
3890         /* Seed with NVRAM settings. */
3891         used_nvram = 0;
3892         ha->flags.lr_detected = 0;
3893         if (IS_BPM_RANGE_CAPABLE(ha) &&
3894             (nv->enhanced_features & NEF_LR_DIST_ENABLE)) {
3895                 used_nvram = 1;
3896                 ha->flags.lr_detected = 1;
3897                 ha->lr_distance =
3898                     (nv->enhanced_features >> LR_DIST_NV_POS)
3899                      & LR_DIST_NV_MASK;
3900         }
3901
3902         if (!IS_BPM_ENABLED(vha))
3903                 goto out;
3904         /* Determine SR/LR capabilities of SFP/Transceiver. */
3905         rc = qla2x00_read_sfp_dev(vha, NULL, 0);
3906         if (rc)
3907                 goto out;
3908
3909         used_nvram = 0;
3910         a = (struct sff_8247_a0 *)vha->hw->sfp_data;
3911         qla2xxx_print_sfp_info(vha);
3912
3913         ha->flags.lr_detected = 0;
3914         ll = a->fc_ll_cc7;
3915         if (ll & FC_LL_VL || ll & FC_LL_L) {
3916                 /* Long range, track length. */
3917                 ha->flags.lr_detected = 1;
3918
3919                 if (a->length_km > 5 || a->length_100m > 50)
3920                         ha->lr_distance = LR_DISTANCE_10K;
3921                 else
3922                         ha->lr_distance = LR_DISTANCE_5K;
3923         }
3924
3925 out:
3926         ql_dbg(ql_dbg_async, vha, 0x507b,
3927             "SFP detect: %s-Range SFP %s (nvr=%x ll=%x lr=%x lrd=%x).\n",
3928             types[ha->flags.lr_detected],
3929             ha->flags.lr_detected ? lengths[ha->lr_distance] :
3930                lengths[LR_DISTANCE_UNKNOWN],
3931             used_nvram, ll, ha->flags.lr_detected, ha->lr_distance);
3932         return ha->flags.lr_detected;
3933 }
3934
3935 void qla_init_iocb_limit(scsi_qla_host_t *vha)
3936 {
3937         u16 i, num_qps;
3938         u32 limit;
3939         struct qla_hw_data *ha = vha->hw;
3940
3941         num_qps = ha->num_qpairs + 1;
3942         limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100;
3943
3944         ha->base_qpair->fwres.iocbs_total = ha->orig_fw_iocb_count;
3945         ha->base_qpair->fwres.iocbs_limit = limit;
3946         ha->base_qpair->fwres.iocbs_qp_limit = limit / num_qps;
3947         ha->base_qpair->fwres.iocbs_used = 0;
3948
3949         ha->base_qpair->fwres.exch_total = ha->orig_fw_xcb_count;
3950         ha->base_qpair->fwres.exch_limit = (ha->orig_fw_xcb_count *
3951                                             QLA_IOCB_PCT_LIMIT) / 100;
3952         ha->base_qpair->fwres.exch_used  = 0;
3953
3954         for (i = 0; i < ha->max_qpairs; i++) {
3955                 if (ha->queue_pair_map[i])  {
3956                         ha->queue_pair_map[i]->fwres.iocbs_total =
3957                                 ha->orig_fw_iocb_count;
3958                         ha->queue_pair_map[i]->fwres.iocbs_limit = limit;
3959                         ha->queue_pair_map[i]->fwres.iocbs_qp_limit =
3960                                 limit / num_qps;
3961                         ha->queue_pair_map[i]->fwres.iocbs_used = 0;
3962                         ha->queue_pair_map[i]->fwres.exch_total = ha->orig_fw_xcb_count;
3963                         ha->queue_pair_map[i]->fwres.exch_limit =
3964                                 (ha->orig_fw_xcb_count * QLA_IOCB_PCT_LIMIT) / 100;
3965                         ha->queue_pair_map[i]->fwres.exch_used = 0;
3966                 }
3967         }
3968 }
3969
3970 /**
3971  * qla2x00_setup_chip() - Load and start RISC firmware.
3972  * @vha: HA context
3973  *
3974  * Returns 0 on success.
3975  */
3976 static int
3977 qla2x00_setup_chip(scsi_qla_host_t *vha)
3978 {
3979         int rval;
3980         uint32_t srisc_address = 0;
3981         struct qla_hw_data *ha = vha->hw;
3982         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3983         unsigned long flags;
3984         uint16_t fw_major_version;
3985         int done_once = 0;
3986
3987         if (IS_P3P_TYPE(ha)) {
3988                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
3989                 if (rval == QLA_SUCCESS) {
3990                         qla2x00_stop_firmware(vha);
3991                         goto enable_82xx_npiv;
3992                 } else
3993                         goto failed;
3994         }
3995
3996         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3997                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
3998                 spin_lock_irqsave(&ha->hardware_lock, flags);
3999                 wrt_reg_word(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
4000                 rd_reg_word(&reg->hccr);
4001                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4002         }
4003
4004         qla81xx_mpi_sync(vha);
4005
4006 execute_fw_with_lr:
4007         /* Load firmware sequences */
4008         rval = ha->isp_ops->load_risc(vha, &srisc_address);
4009         if (rval == QLA_SUCCESS) {
4010                 ql_dbg(ql_dbg_init, vha, 0x00c9,
4011                     "Verifying Checksum of loaded RISC code.\n");
4012
4013                 rval = qla2x00_verify_checksum(vha, srisc_address);
4014                 if (rval == QLA_SUCCESS) {
4015                         /* Start firmware execution. */
4016                         ql_dbg(ql_dbg_init, vha, 0x00ca,
4017                             "Starting firmware.\n");
4018
4019                         if (ql2xexlogins)
4020                                 ha->flags.exlogins_enabled = 1;
4021
4022                         if (qla_is_exch_offld_enabled(vha))
4023                                 ha->flags.exchoffld_enabled = 1;
4024
4025                         rval = qla2x00_execute_fw(vha, srisc_address);
4026                         /* Retrieve firmware information. */
4027                         if (rval == QLA_SUCCESS) {
4028                                 /* Enable BPM support? */
4029                                 if (!done_once++ && qla24xx_detect_sfp(vha)) {
4030                                         ql_dbg(ql_dbg_init, vha, 0x00ca,
4031                                             "Re-starting firmware -- BPM.\n");
4032                                         /* Best-effort - re-init. */
4033                                         ha->isp_ops->reset_chip(vha);
4034                                         ha->isp_ops->chip_diag(vha);
4035                                         goto execute_fw_with_lr;
4036                                 }
4037
4038                                 if (IS_ZIO_THRESHOLD_CAPABLE(ha))
4039                                         qla27xx_set_zio_threshold(vha,
4040                                             ha->last_zio_threshold);
4041
4042                                 rval = qla2x00_set_exlogins_buffer(vha);
4043                                 if (rval != QLA_SUCCESS)
4044                                         goto failed;
4045
4046                                 rval = qla2x00_set_exchoffld_buffer(vha);
4047                                 if (rval != QLA_SUCCESS)
4048                                         goto failed;
4049
4050 enable_82xx_npiv:
4051                                 fw_major_version = ha->fw_major_version;
4052                                 if (IS_P3P_TYPE(ha))
4053                                         qla82xx_check_md_needed(vha);
4054                                 else
4055                                         rval = qla2x00_get_fw_version(vha);
4056                                 if (rval != QLA_SUCCESS)
4057                                         goto failed;
4058                                 ha->flags.npiv_supported = 0;
4059                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
4060                                          (ha->fw_attributes & BIT_2)) {
4061                                         ha->flags.npiv_supported = 1;
4062                                         if ((!ha->max_npiv_vports) ||
4063                                             ((ha->max_npiv_vports + 1) %
4064                                             MIN_MULTI_ID_FABRIC))
4065                                                 ha->max_npiv_vports =
4066                                                     MIN_MULTI_ID_FABRIC - 1;
4067                                 }
4068                                 qla2x00_get_resource_cnts(vha);
4069                                 qla_init_iocb_limit(vha);
4070
4071                                 /*
4072                                  * Allocate the array of outstanding commands
4073                                  * now that we know the firmware resources.
4074                                  */
4075                                 rval = qla2x00_alloc_outstanding_cmds(ha,
4076                                     vha->req);
4077                                 if (rval != QLA_SUCCESS)
4078                                         goto failed;
4079
4080                                 if (!fw_major_version && !(IS_P3P_TYPE(ha)))
4081                                         qla2x00_alloc_offload_mem(vha);
4082
4083                                 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
4084                                         qla2x00_alloc_fw_dump(vha);
4085
4086                         } else {
4087                                 goto failed;
4088                         }
4089                 } else {
4090                         ql_log(ql_log_fatal, vha, 0x00cd,
4091                             "ISP Firmware failed checksum.\n");
4092                         goto failed;
4093                 }
4094
4095                 /* Enable PUREX PASSTHRU */
4096                 if (ql2xrdpenable || ha->flags.scm_supported_f ||
4097                     ha->flags.edif_enabled)
4098                         qla25xx_set_els_cmds_supported(vha);
4099         } else
4100                 goto failed;
4101
4102         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
4103                 /* Enable proper parity. */
4104                 spin_lock_irqsave(&ha->hardware_lock, flags);
4105                 if (IS_QLA2300(ha))
4106                         /* SRAM parity */
4107                         wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
4108                 else
4109                         /* SRAM, Instruction RAM and GP RAM parity */
4110                         wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
4111                 rd_reg_word(&reg->hccr);
4112                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4113         }
4114
4115         if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
4116                 ha->flags.fac_supported = 1;
4117         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
4118                 uint32_t size;
4119
4120                 rval = qla81xx_fac_get_sector_size(vha, &size);
4121                 if (rval == QLA_SUCCESS) {
4122                         ha->flags.fac_supported = 1;
4123                         ha->fdt_block_size = size << 2;
4124                 } else {
4125                         ql_log(ql_log_warn, vha, 0x00ce,
4126                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
4127                             ha->fw_major_version, ha->fw_minor_version,
4128                             ha->fw_subminor_version);
4129
4130                         if (IS_QLA83XX(ha)) {
4131                                 ha->flags.fac_supported = 0;
4132                                 rval = QLA_SUCCESS;
4133                         }
4134                 }
4135         }
4136 failed:
4137         if (rval) {
4138                 ql_log(ql_log_fatal, vha, 0x00cf,
4139                     "Setup chip ****FAILED****.\n");
4140         }
4141
4142         return (rval);
4143 }
4144
4145 /**
4146  * qla2x00_init_response_q_entries() - Initializes response queue entries.
4147  * @rsp: response queue
4148  *
4149  * Beginning of request ring has initialization control block already built
4150  * by nvram config routine.
4151  *
4152  * Returns 0 on success.
4153  */
4154 void
4155 qla2x00_init_response_q_entries(struct rsp_que *rsp)
4156 {
4157         uint16_t cnt;
4158         response_t *pkt;
4159
4160         rsp->ring_ptr = rsp->ring;
4161         rsp->ring_index    = 0;
4162         rsp->status_srb = NULL;
4163         pkt = rsp->ring_ptr;
4164         for (cnt = 0; cnt < rsp->length; cnt++) {
4165                 pkt->signature = RESPONSE_PROCESSED;
4166                 pkt++;
4167         }
4168 }
4169
4170 /**
4171  * qla2x00_update_fw_options() - Read and process firmware options.
4172  * @vha: HA context
4173  *
4174  * Returns 0 on success.
4175  */
4176 void
4177 qla2x00_update_fw_options(scsi_qla_host_t *vha)
4178 {
4179         uint16_t swing, emphasis, tx_sens, rx_sens;
4180         struct qla_hw_data *ha = vha->hw;
4181
4182         memset(ha->fw_options, 0, sizeof(ha->fw_options));
4183         qla2x00_get_fw_options(vha, ha->fw_options);
4184
4185         if (IS_QLA2100(ha) || IS_QLA2200(ha))
4186                 return;
4187
4188         /* Serial Link options. */
4189         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
4190             "Serial link options.\n");
4191         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
4192             ha->fw_seriallink_options, sizeof(ha->fw_seriallink_options));
4193
4194         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
4195         if (ha->fw_seriallink_options[3] & BIT_2) {
4196                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
4197
4198                 /*  1G settings */
4199                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
4200                 emphasis = (ha->fw_seriallink_options[2] &
4201                     (BIT_4 | BIT_3)) >> 3;
4202                 tx_sens = ha->fw_seriallink_options[0] &
4203                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4204                 rx_sens = (ha->fw_seriallink_options[0] &
4205                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
4206                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
4207                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
4208                         if (rx_sens == 0x0)
4209                                 rx_sens = 0x3;
4210                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
4211                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
4212                         ha->fw_options[10] |= BIT_5 |
4213                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
4214                             (tx_sens & (BIT_1 | BIT_0));
4215
4216                 /*  2G settings */
4217                 swing = (ha->fw_seriallink_options[2] &
4218                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
4219                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
4220                 tx_sens = ha->fw_seriallink_options[1] &
4221                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4222                 rx_sens = (ha->fw_seriallink_options[1] &
4223                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
4224                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
4225                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
4226                         if (rx_sens == 0x0)
4227                                 rx_sens = 0x3;
4228                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
4229                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
4230                         ha->fw_options[11] |= BIT_5 |
4231                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
4232                             (tx_sens & (BIT_1 | BIT_0));
4233         }
4234
4235         /* FCP2 options. */
4236         /*  Return command IOCBs without waiting for an ABTS to complete. */
4237         ha->fw_options[3] |= BIT_13;
4238
4239         /* LED scheme. */
4240         if (ha->flags.enable_led_scheme)
4241                 ha->fw_options[2] |= BIT_12;
4242
4243         /* Detect ISP6312. */
4244         if (IS_QLA6312(ha))
4245                 ha->fw_options[2] |= BIT_13;
4246
4247         /* Set Retry FLOGI in case of P2P connection */
4248         if (ha->operating_mode == P2P) {
4249                 ha->fw_options[2] |= BIT_3;
4250                 ql_dbg(ql_dbg_disc, vha, 0x2100,
4251                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
4252                         __func__, ha->fw_options[2]);
4253         }
4254
4255         /* Update firmware options. */
4256         qla2x00_set_fw_options(vha, ha->fw_options);
4257 }
4258
4259 void
4260 qla24xx_update_fw_options(scsi_qla_host_t *vha)
4261 {
4262         int rval;
4263         struct qla_hw_data *ha = vha->hw;
4264
4265         if (IS_P3P_TYPE(ha))
4266                 return;
4267
4268         /*  Hold status IOCBs until ABTS response received. */
4269         if (ql2xfwholdabts)
4270                 ha->fw_options[3] |= BIT_12;
4271
4272         /* Set Retry FLOGI in case of P2P connection */
4273         if (ha->operating_mode == P2P) {
4274                 ha->fw_options[2] |= BIT_3;
4275                 ql_dbg(ql_dbg_disc, vha, 0x2101,
4276                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
4277                         __func__, ha->fw_options[2]);
4278         }
4279
4280         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
4281         if (ql2xmvasynctoatio && !ha->flags.edif_enabled &&
4282             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
4283                 if (qla_tgt_mode_enabled(vha) ||
4284                     qla_dual_mode_enabled(vha))
4285                         ha->fw_options[2] |= BIT_11;
4286                 else
4287                         ha->fw_options[2] &= ~BIT_11;
4288         }
4289
4290         if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4291             IS_QLA28XX(ha)) {
4292                 /*
4293                  * Tell FW to track each exchange to prevent
4294                  * driver from using stale exchange.
4295                  */
4296                 if (qla_tgt_mode_enabled(vha) ||
4297                     qla_dual_mode_enabled(vha))
4298                         ha->fw_options[2] |= BIT_4;
4299                 else
4300                         ha->fw_options[2] &= ~(BIT_4);
4301
4302                 /* Reserve 1/2 of emergency exchanges for ELS.*/
4303                 if (qla2xuseresexchforels)
4304                         ha->fw_options[2] |= BIT_8;
4305                 else
4306                         ha->fw_options[2] &= ~BIT_8;
4307
4308                 /*
4309                  * N2N: set Secure=1 for PLOGI ACC and
4310                  * fw shal not send PRLI after PLOGI Acc
4311                  */
4312                 if (ha->flags.edif_enabled &&
4313                     DBELL_ACTIVE(vha)) {
4314                         ha->fw_options[3] |= BIT_15;
4315                         ha->flags.n2n_fw_acc_sec = 1;
4316                 } else {
4317                         ha->fw_options[3] &= ~BIT_15;
4318                         ha->flags.n2n_fw_acc_sec = 0;
4319                 }
4320         }
4321
4322         if (ql2xrdpenable || ha->flags.scm_supported_f ||
4323             ha->flags.edif_enabled)
4324                 ha->fw_options[1] |= ADD_FO1_ENABLE_PUREX_IOCB;
4325
4326         /* Enable Async 8130/8131 events -- transceiver insertion/removal */
4327         if (IS_BPM_RANGE_CAPABLE(ha))
4328                 ha->fw_options[3] |= BIT_10;
4329
4330         ql_dbg(ql_dbg_init, vha, 0x00e8,
4331             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
4332             __func__, ha->fw_options[1], ha->fw_options[2],
4333             ha->fw_options[3], vha->host->active_mode);
4334
4335         if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
4336                 qla2x00_set_fw_options(vha, ha->fw_options);
4337
4338         /* Update Serial Link options. */
4339         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
4340                 return;
4341
4342         rval = qla2x00_set_serdes_params(vha,
4343             le16_to_cpu(ha->fw_seriallink_options24[1]),
4344             le16_to_cpu(ha->fw_seriallink_options24[2]),
4345             le16_to_cpu(ha->fw_seriallink_options24[3]));
4346         if (rval != QLA_SUCCESS) {
4347                 ql_log(ql_log_warn, vha, 0x0104,
4348                     "Unable to update Serial Link options (%x).\n", rval);
4349         }
4350 }
4351
4352 void
4353 qla2x00_config_rings(struct scsi_qla_host *vha)
4354 {
4355         struct qla_hw_data *ha = vha->hw;
4356         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4357         struct req_que *req = ha->req_q_map[0];
4358         struct rsp_que *rsp = ha->rsp_q_map[0];
4359
4360         /* Setup ring parameters in initialization control block. */
4361         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
4362         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
4363         ha->init_cb->request_q_length = cpu_to_le16(req->length);
4364         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
4365         put_unaligned_le64(req->dma, &ha->init_cb->request_q_address);
4366         put_unaligned_le64(rsp->dma, &ha->init_cb->response_q_address);
4367
4368         wrt_reg_word(ISP_REQ_Q_IN(ha, reg), 0);
4369         wrt_reg_word(ISP_REQ_Q_OUT(ha, reg), 0);
4370         wrt_reg_word(ISP_RSP_Q_IN(ha, reg), 0);
4371         wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), 0);
4372         rd_reg_word(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
4373 }
4374
4375 void
4376 qla24xx_config_rings(struct scsi_qla_host *vha)
4377 {
4378         struct qla_hw_data *ha = vha->hw;
4379         device_reg_t *reg = ISP_QUE_REG(ha, 0);
4380         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
4381         struct qla_msix_entry *msix;
4382         struct init_cb_24xx *icb;
4383         uint16_t rid = 0;
4384         struct req_que *req = ha->req_q_map[0];
4385         struct rsp_que *rsp = ha->rsp_q_map[0];
4386
4387         /* Setup ring parameters in initialization control block. */
4388         icb = (struct init_cb_24xx *)ha->init_cb;
4389         icb->request_q_outpointer = cpu_to_le16(0);
4390         icb->response_q_inpointer = cpu_to_le16(0);
4391         icb->request_q_length = cpu_to_le16(req->length);
4392         icb->response_q_length = cpu_to_le16(rsp->length);
4393         put_unaligned_le64(req->dma, &icb->request_q_address);
4394         put_unaligned_le64(rsp->dma, &icb->response_q_address);
4395
4396         /* Setup ATIO queue dma pointers for target mode */
4397         icb->atio_q_inpointer = cpu_to_le16(0);
4398         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
4399         put_unaligned_le64(ha->tgt.atio_dma, &icb->atio_q_address);
4400
4401         if (IS_SHADOW_REG_CAPABLE(ha))
4402                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
4403
4404         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4405             IS_QLA28XX(ha)) {
4406                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
4407                 icb->rid = cpu_to_le16(rid);
4408                 if (ha->flags.msix_enabled) {
4409                         msix = &ha->msix_entries[1];
4410                         ql_dbg(ql_dbg_init, vha, 0x0019,
4411                             "Registering vector 0x%x for base que.\n",
4412                             msix->entry);
4413                         icb->msix = cpu_to_le16(msix->entry);
4414                 }
4415                 /* Use alternate PCI bus number */
4416                 if (MSB(rid))
4417                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
4418                 /* Use alternate PCI devfn */
4419                 if (LSB(rid))
4420                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
4421
4422                 /* Use Disable MSIX Handshake mode for capable adapters */
4423                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
4424                     (ha->flags.msix_enabled)) {
4425                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
4426                         ha->flags.disable_msix_handshake = 1;
4427                         ql_dbg(ql_dbg_init, vha, 0x00fe,
4428                             "MSIX Handshake Disable Mode turned on.\n");
4429                 } else {
4430                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
4431                 }
4432                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
4433
4434                 wrt_reg_dword(&reg->isp25mq.req_q_in, 0);
4435                 wrt_reg_dword(&reg->isp25mq.req_q_out, 0);
4436                 wrt_reg_dword(&reg->isp25mq.rsp_q_in, 0);
4437                 wrt_reg_dword(&reg->isp25mq.rsp_q_out, 0);
4438         } else {
4439                 wrt_reg_dword(&reg->isp24.req_q_in, 0);
4440                 wrt_reg_dword(&reg->isp24.req_q_out, 0);
4441                 wrt_reg_dword(&reg->isp24.rsp_q_in, 0);
4442                 wrt_reg_dword(&reg->isp24.rsp_q_out, 0);
4443         }
4444
4445         qlt_24xx_config_rings(vha);
4446
4447         /* If the user has configured the speed, set it here */
4448         if (ha->set_data_rate) {
4449                 ql_dbg(ql_dbg_init, vha, 0x00fd,
4450                     "Speed set by user : %s Gbps \n",
4451                     qla2x00_get_link_speed_str(ha, ha->set_data_rate));
4452                 icb->firmware_options_3 = cpu_to_le32(ha->set_data_rate << 13);
4453         }
4454
4455         /* PCI posting */
4456         rd_reg_word(&ioreg->hccr);
4457 }
4458
4459 /**
4460  * qla2x00_init_rings() - Initializes firmware.
4461  * @vha: HA context
4462  *
4463  * Beginning of request ring has initialization control block already built
4464  * by nvram config routine.
4465  *
4466  * Returns 0 on success.
4467  */
4468 int
4469 qla2x00_init_rings(scsi_qla_host_t *vha)
4470 {
4471         int     rval;
4472         unsigned long flags = 0;
4473         int cnt, que;
4474         struct qla_hw_data *ha = vha->hw;
4475         struct req_que *req;
4476         struct rsp_que *rsp;
4477         struct mid_init_cb_24xx *mid_init_cb =
4478             (struct mid_init_cb_24xx *) ha->init_cb;
4479
4480         spin_lock_irqsave(&ha->hardware_lock, flags);
4481
4482         /* Clear outstanding commands array. */
4483         for (que = 0; que < ha->max_req_queues; que++) {
4484                 req = ha->req_q_map[que];
4485                 if (!req || !test_bit(que, ha->req_qid_map))
4486                         continue;
4487                 req->out_ptr = (uint16_t *)(req->ring + req->length);
4488                 *req->out_ptr = 0;
4489                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
4490                         req->outstanding_cmds[cnt] = NULL;
4491
4492                 req->current_outstanding_cmd = 1;
4493
4494                 /* Initialize firmware. */
4495                 req->ring_ptr  = req->ring;
4496                 req->ring_index    = 0;
4497                 req->cnt      = req->length;
4498         }
4499
4500         for (que = 0; que < ha->max_rsp_queues; que++) {
4501                 rsp = ha->rsp_q_map[que];
4502                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
4503                         continue;
4504                 rsp->in_ptr = (uint16_t *)(rsp->ring + rsp->length);
4505                 *rsp->in_ptr = 0;
4506                 /* Initialize response queue entries */
4507                 if (IS_QLAFX00(ha))
4508                         qlafx00_init_response_q_entries(rsp);
4509                 else
4510                         qla2x00_init_response_q_entries(rsp);
4511         }
4512
4513         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
4514         ha->tgt.atio_ring_index = 0;
4515         /* Initialize ATIO queue entries */
4516         qlt_init_atio_q_entries(vha);
4517
4518         ha->isp_ops->config_rings(vha);
4519
4520         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4521
4522         if (IS_QLAFX00(ha)) {
4523                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
4524                 goto next_check;
4525         }
4526
4527         /* Update any ISP specific firmware options before initialization. */
4528         ha->isp_ops->update_fw_options(vha);
4529
4530         ql_dbg(ql_dbg_init, vha, 0x00d1,
4531                "Issue init firmware FW opt 1-3= %08x %08x %08x.\n",
4532                le32_to_cpu(mid_init_cb->init_cb.firmware_options_1),
4533                le32_to_cpu(mid_init_cb->init_cb.firmware_options_2),
4534                le32_to_cpu(mid_init_cb->init_cb.firmware_options_3));
4535
4536         if (ha->flags.npiv_supported) {
4537                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
4538                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
4539                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
4540         }
4541
4542         if (IS_FWI2_CAPABLE(ha)) {
4543                 mid_init_cb->options = cpu_to_le16(BIT_1);
4544                 mid_init_cb->init_cb.execution_throttle =
4545                     cpu_to_le16(ha->cur_fw_xcb_count);
4546                 ha->flags.dport_enabled =
4547                         (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4548                          BIT_7) != 0;
4549                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
4550                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
4551                 /* FA-WWPN Status */
4552                 ha->flags.fawwpn_enabled =
4553                         (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4554                          BIT_6) != 0;
4555                 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
4556                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
4557                 /* Init_cb will be reused for other command(s).  Save a backup copy of port_name */
4558                 memcpy(ha->port_name, ha->init_cb->port_name, WWN_SIZE);
4559         }
4560
4561         /* ELS pass through payload is limit by frame size. */
4562         if (ha->flags.edif_enabled)
4563                 mid_init_cb->init_cb.frame_payload_size = cpu_to_le16(ELS_MAX_PAYLOAD);
4564
4565         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
4566 next_check:
4567         if (rval) {
4568                 ql_log(ql_log_fatal, vha, 0x00d2,
4569                     "Init Firmware **** FAILED ****.\n");
4570         } else {
4571                 ql_dbg(ql_dbg_init, vha, 0x00d3,
4572                     "Init Firmware -- success.\n");
4573                 QLA_FW_STARTED(ha);
4574                 vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0;
4575         }
4576
4577         return (rval);
4578 }
4579
4580 /**
4581  * qla2x00_fw_ready() - Waits for firmware ready.
4582  * @vha: HA context
4583  *
4584  * Returns 0 on success.
4585  */
4586 static int
4587 qla2x00_fw_ready(scsi_qla_host_t *vha)
4588 {
4589         int             rval;
4590         unsigned long   wtime, mtime, cs84xx_time;
4591         uint16_t        min_wait;       /* Minimum wait time if loop is down */
4592         uint16_t        wait_time;      /* Wait time if loop is coming ready */
4593         uint16_t        state[6];
4594         struct qla_hw_data *ha = vha->hw;
4595
4596         if (IS_QLAFX00(vha->hw))
4597                 return qlafx00_fw_ready(vha);
4598
4599         /* Time to wait for loop down */
4600         if (IS_P3P_TYPE(ha))
4601                 min_wait = 30;
4602         else
4603                 min_wait = 20;
4604
4605         /*
4606          * Firmware should take at most one RATOV to login, plus 5 seconds for
4607          * our own processing.
4608          */
4609         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
4610                 wait_time = min_wait;
4611         }
4612
4613         /* Min wait time if loop down */
4614         mtime = jiffies + (min_wait * HZ);
4615
4616         /* wait time before firmware ready */
4617         wtime = jiffies + (wait_time * HZ);
4618
4619         /* Wait for ISP to finish LIP */
4620         if (!vha->flags.init_done)
4621                 ql_log(ql_log_info, vha, 0x801e,
4622                     "Waiting for LIP to complete.\n");
4623
4624         do {
4625                 memset(state, -1, sizeof(state));
4626                 rval = qla2x00_get_firmware_state(vha, state);
4627                 if (rval == QLA_SUCCESS) {
4628                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
4629                                 vha->device_flags &= ~DFLG_NO_CABLE;
4630                         }
4631                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
4632                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
4633                                     "fw_state=%x 84xx=%x.\n", state[0],
4634                                     state[2]);
4635                                 if ((state[2] & FSTATE_LOGGED_IN) &&
4636                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
4637                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
4638                                             "Sending verify iocb.\n");
4639
4640                                         cs84xx_time = jiffies;
4641                                         rval = qla84xx_init_chip(vha);
4642                                         if (rval != QLA_SUCCESS) {
4643                                                 ql_log(ql_log_warn,
4644                                                     vha, 0x8007,
4645                                                     "Init chip failed.\n");
4646                                                 break;
4647                                         }
4648
4649                                         /* Add time taken to initialize. */
4650                                         cs84xx_time = jiffies - cs84xx_time;
4651                                         wtime += cs84xx_time;
4652                                         mtime += cs84xx_time;
4653                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
4654                                             "Increasing wait time by %ld. "
4655                                             "New time %ld.\n", cs84xx_time,
4656                                             wtime);
4657                                 }
4658                         } else if (state[0] == FSTATE_READY) {
4659                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
4660                                     "F/W Ready - OK.\n");
4661
4662                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
4663                                     &ha->login_timeout, &ha->r_a_tov);
4664
4665                                 rval = QLA_SUCCESS;
4666                                 break;
4667                         }
4668
4669                         rval = QLA_FUNCTION_FAILED;
4670
4671                         if (atomic_read(&vha->loop_down_timer) &&
4672                             state[0] != FSTATE_READY) {
4673                                 /* Loop down. Timeout on min_wait for states
4674                                  * other than Wait for Login.
4675                                  */
4676                                 if (time_after_eq(jiffies, mtime)) {
4677                                         ql_log(ql_log_info, vha, 0x8038,
4678                                             "Cable is unplugged...\n");
4679
4680                                         vha->device_flags |= DFLG_NO_CABLE;
4681                                         break;
4682                                 }
4683                         }
4684                 } else {
4685                         /* Mailbox cmd failed. Timeout on min_wait. */
4686                         if (time_after_eq(jiffies, mtime) ||
4687                                 ha->flags.isp82xx_fw_hung)
4688                                 break;
4689                 }
4690
4691                 if (time_after_eq(jiffies, wtime))
4692                         break;
4693
4694                 /* Delay for a while */
4695                 msleep(500);
4696         } while (1);
4697
4698         ql_dbg(ql_dbg_taskm, vha, 0x803a,
4699             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
4700             state[1], state[2], state[3], state[4], state[5], jiffies);
4701
4702         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
4703                 ql_log(ql_log_warn, vha, 0x803b,
4704                     "Firmware ready **** FAILED ****.\n");
4705         }
4706
4707         return (rval);
4708 }
4709
4710 /*
4711 *  qla2x00_configure_hba
4712 *      Setup adapter context.
4713 *
4714 * Input:
4715 *      ha = adapter state pointer.
4716 *
4717 * Returns:
4718 *      0 = success
4719 *
4720 * Context:
4721 *      Kernel context.
4722 */
4723 static int
4724 qla2x00_configure_hba(scsi_qla_host_t *vha)
4725 {
4726         int       rval;
4727         uint16_t      loop_id;
4728         uint16_t      topo;
4729         uint16_t      sw_cap;
4730         uint8_t       al_pa;
4731         uint8_t       area;
4732         uint8_t       domain;
4733         char            connect_type[22];
4734         struct qla_hw_data *ha = vha->hw;
4735         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4736         port_id_t id;
4737         unsigned long flags;
4738
4739         /* Get host addresses. */
4740         rval = qla2x00_get_adapter_id(vha,
4741             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
4742         if (rval != QLA_SUCCESS) {
4743                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
4744                     IS_CNA_CAPABLE(ha) ||
4745                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
4746                         ql_dbg(ql_dbg_disc, vha, 0x2008,
4747                             "Loop is in a transition state.\n");
4748                 } else {
4749                         ql_log(ql_log_warn, vha, 0x2009,
4750                             "Unable to get host loop ID.\n");
4751                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
4752                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
4753                                 ql_log(ql_log_warn, vha, 0x1151,
4754                                     "Doing link init.\n");
4755                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
4756                                         return rval;
4757                         }
4758                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4759                 }
4760                 return (rval);
4761         }
4762
4763         if (topo == 4) {
4764                 ql_log(ql_log_info, vha, 0x200a,
4765                     "Cannot get topology - retrying.\n");
4766                 return (QLA_FUNCTION_FAILED);
4767         }
4768
4769         vha->loop_id = loop_id;
4770
4771         /* initialize */
4772         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4773         ha->operating_mode = LOOP;
4774
4775         switch (topo) {
4776         case 0:
4777                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4778                 ha->switch_cap = 0;
4779                 ha->current_topology = ISP_CFG_NL;
4780                 strcpy(connect_type, "(Loop)");
4781                 break;
4782
4783         case 1:
4784                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4785                 ha->switch_cap = sw_cap;
4786                 ha->current_topology = ISP_CFG_FL;
4787                 strcpy(connect_type, "(FL_Port)");
4788                 break;
4789
4790         case 2:
4791                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
4792                 ha->switch_cap = 0;
4793                 ha->operating_mode = P2P;
4794                 ha->current_topology = ISP_CFG_N;
4795                 strcpy(connect_type, "(N_Port-to-N_Port)");
4796                 break;
4797
4798         case 3:
4799                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4800                 ha->switch_cap = sw_cap;
4801                 ha->operating_mode = P2P;
4802                 ha->current_topology = ISP_CFG_F;
4803                 strcpy(connect_type, "(F_Port)");
4804                 break;
4805
4806         default:
4807                 ql_dbg(ql_dbg_disc, vha, 0x200f,
4808                     "HBA in unknown topology %x, using NL.\n", topo);
4809                 ha->switch_cap = 0;
4810                 ha->current_topology = ISP_CFG_NL;
4811                 strcpy(connect_type, "(Loop)");
4812                 break;
4813         }
4814
4815         /* Save Host port and loop ID. */
4816         /* byte order - Big Endian */
4817         id.b.domain = domain;
4818         id.b.area = area;
4819         id.b.al_pa = al_pa;
4820         id.b.rsvd_1 = 0;
4821         spin_lock_irqsave(&ha->hardware_lock, flags);
4822         if (vha->hw->flags.edif_enabled) {
4823                 if (topo != 2)
4824                         qla_update_host_map(vha, id);
4825         } else if (!(topo == 2 && ha->flags.n2n_bigger))
4826                 qla_update_host_map(vha, id);
4827         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4828
4829         if (!vha->flags.init_done)
4830                 ql_log(ql_log_info, vha, 0x2010,
4831                     "Topology - %s, Host Loop address 0x%x.\n",
4832                     connect_type, vha->loop_id);
4833
4834         return(rval);
4835 }
4836
4837 inline void
4838 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4839                        const char *def)
4840 {
4841         char *st, *en;
4842         uint16_t index;
4843         uint64_t zero[2] = { 0 };
4844         struct qla_hw_data *ha = vha->hw;
4845         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4846             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4847
4848         if (len > sizeof(zero))
4849                 len = sizeof(zero);
4850         if (memcmp(model, &zero, len) != 0) {
4851                 memcpy(ha->model_number, model, len);
4852                 st = en = ha->model_number;
4853                 en += len - 1;
4854                 while (en > st) {
4855                         if (*en != 0x20 && *en != 0x00)
4856                                 break;
4857                         *en-- = '\0';
4858                 }
4859
4860                 index = (ha->pdev->subsystem_device & 0xff);
4861                 if (use_tbl &&
4862                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4863                     index < QLA_MODEL_NAMES)
4864                         strlcpy(ha->model_desc,
4865                             qla2x00_model_name[index * 2 + 1],
4866                             sizeof(ha->model_desc));
4867         } else {
4868                 index = (ha->pdev->subsystem_device & 0xff);
4869                 if (use_tbl &&
4870                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4871                     index < QLA_MODEL_NAMES) {
4872                         strlcpy(ha->model_number,
4873                                 qla2x00_model_name[index * 2],
4874                                 sizeof(ha->model_number));
4875                         strlcpy(ha->model_desc,
4876                             qla2x00_model_name[index * 2 + 1],
4877                             sizeof(ha->model_desc));
4878                 } else {
4879                         strlcpy(ha->model_number, def,
4880                                 sizeof(ha->model_number));
4881                 }
4882         }
4883         if (IS_FWI2_CAPABLE(ha))
4884                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4885                     sizeof(ha->model_desc));
4886 }
4887
4888 /* On sparc systems, obtain port and node WWN from firmware
4889  * properties.
4890  */
4891 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4892 {
4893 #ifdef CONFIG_SPARC
4894         struct qla_hw_data *ha = vha->hw;
4895         struct pci_dev *pdev = ha->pdev;
4896         struct device_node *dp = pci_device_to_OF_node(pdev);
4897         const u8 *val;
4898         int len;
4899
4900         val = of_get_property(dp, "port-wwn", &len);
4901         if (val && len >= WWN_SIZE)
4902                 memcpy(nv->port_name, val, WWN_SIZE);
4903
4904         val = of_get_property(dp, "node-wwn", &len);
4905         if (val && len >= WWN_SIZE)
4906                 memcpy(nv->node_name, val, WWN_SIZE);
4907 #endif
4908 }
4909
4910 /*
4911 * NVRAM configuration for ISP 2xxx
4912 *
4913 * Input:
4914 *      ha                = adapter block pointer.
4915 *
4916 * Output:
4917 *      initialization control block in response_ring
4918 *      host adapters parameters in host adapter block
4919 *
4920 * Returns:
4921 *      0 = success.
4922 */
4923 int
4924 qla2x00_nvram_config(scsi_qla_host_t *vha)
4925 {
4926         int             rval;
4927         uint8_t         chksum = 0;
4928         uint16_t        cnt;
4929         uint8_t         *dptr1, *dptr2;
4930         struct qla_hw_data *ha = vha->hw;
4931         init_cb_t       *icb = ha->init_cb;
4932         nvram_t         *nv = ha->nvram;
4933         uint8_t         *ptr = ha->nvram;
4934         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4935
4936         rval = QLA_SUCCESS;
4937
4938         /* Determine NVRAM starting address. */
4939         ha->nvram_size = sizeof(*nv);
4940         ha->nvram_base = 0;
4941         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
4942                 if ((rd_reg_word(&reg->ctrl_status) >> 14) == 1)
4943                         ha->nvram_base = 0x80;
4944
4945         /* Get NVRAM data and calculate checksum. */
4946         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4947         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
4948                 chksum += *ptr++;
4949
4950         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
4951             "Contents of NVRAM.\n");
4952         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4953             nv, ha->nvram_size);
4954
4955         /* Bad NVRAM data, set defaults parameters. */
4956         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
4957             nv->nvram_version < 1) {
4958                 /* Reset NVRAM data. */
4959                 ql_log(ql_log_warn, vha, 0x0064,
4960                     "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n",
4961                     chksum, nv->id, nv->nvram_version);
4962                 ql_log(ql_log_warn, vha, 0x0065,
4963                     "Falling back to "
4964                     "functioning (yet invalid -- WWPN) defaults.\n");
4965
4966                 /*
4967                  * Set default initialization control block.
4968                  */
4969                 memset(nv, 0, ha->nvram_size);
4970                 nv->parameter_block_version = ICB_VERSION;
4971
4972                 if (IS_QLA23XX(ha)) {
4973                         nv->firmware_options[0] = BIT_2 | BIT_1;
4974                         nv->firmware_options[1] = BIT_7 | BIT_5;
4975                         nv->add_firmware_options[0] = BIT_5;
4976                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4977                         nv->frame_payload_size = cpu_to_le16(2048);
4978                         nv->special_options[1] = BIT_7;
4979                 } else if (IS_QLA2200(ha)) {
4980                         nv->firmware_options[0] = BIT_2 | BIT_1;
4981                         nv->firmware_options[1] = BIT_7 | BIT_5;
4982                         nv->add_firmware_options[0] = BIT_5;
4983                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4984                         nv->frame_payload_size = cpu_to_le16(1024);
4985                 } else if (IS_QLA2100(ha)) {
4986                         nv->firmware_options[0] = BIT_3 | BIT_1;
4987                         nv->firmware_options[1] = BIT_5;
4988                         nv->frame_payload_size = cpu_to_le16(1024);
4989                 }
4990
4991                 nv->max_iocb_allocation = cpu_to_le16(256);
4992                 nv->execution_throttle = cpu_to_le16(16);
4993                 nv->retry_count = 8;
4994                 nv->retry_delay = 1;
4995
4996                 nv->port_name[0] = 33;
4997                 nv->port_name[3] = 224;
4998                 nv->port_name[4] = 139;
4999
5000                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
5001
5002                 nv->login_timeout = 4;
5003
5004                 /*
5005                  * Set default host adapter parameters
5006                  */
5007                 nv->host_p[1] = BIT_2;
5008                 nv->reset_delay = 5;
5009                 nv->port_down_retry_count = 8;
5010                 nv->max_luns_per_target = cpu_to_le16(8);
5011                 nv->link_down_timeout = 60;
5012
5013                 rval = 1;
5014         }
5015
5016         /* Reset Initialization control block */
5017         memset(icb, 0, ha->init_cb_size);
5018
5019         /*
5020          * Setup driver NVRAM options.
5021          */
5022         nv->firmware_options[0] |= (BIT_6 | BIT_1);
5023         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
5024         nv->firmware_options[1] |= (BIT_5 | BIT_0);
5025         nv->firmware_options[1] &= ~BIT_4;
5026
5027         if (IS_QLA23XX(ha)) {
5028                 nv->firmware_options[0] |= BIT_2;
5029                 nv->firmware_options[0] &= ~BIT_3;
5030                 nv->special_options[0] &= ~BIT_6;
5031                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
5032
5033                 if (IS_QLA2300(ha)) {
5034                         if (ha->fb_rev == FPM_2310) {
5035                                 strcpy(ha->model_number, "QLA2310");
5036                         } else {
5037                                 strcpy(ha->model_number, "QLA2300");
5038                         }
5039                 } else {
5040                         qla2x00_set_model_info(vha, nv->model_number,
5041                             sizeof(nv->model_number), "QLA23xx");
5042                 }
5043         } else if (IS_QLA2200(ha)) {
5044                 nv->firmware_options[0] |= BIT_2;
5045                 /*
5046                  * 'Point-to-point preferred, else loop' is not a safe
5047                  * connection mode setting.
5048                  */
5049                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
5050                     (BIT_5 | BIT_4)) {
5051                         /* Force 'loop preferred, else point-to-point'. */
5052                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
5053                         nv->add_firmware_options[0] |= BIT_5;
5054                 }
5055                 strcpy(ha->model_number, "QLA22xx");
5056         } else /*if (IS_QLA2100(ha))*/ {
5057                 strcpy(ha->model_number, "QLA2100");
5058         }
5059
5060         /*
5061          * Copy over NVRAM RISC parameter block to initialization control block.
5062          */
5063         dptr1 = (uint8_t *)icb;
5064         dptr2 = (uint8_t *)&nv->parameter_block_version;
5065         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
5066         while (cnt--)
5067                 *dptr1++ = *dptr2++;
5068
5069         /* Copy 2nd half. */
5070         dptr1 = (uint8_t *)icb->add_firmware_options;
5071         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
5072         while (cnt--)
5073                 *dptr1++ = *dptr2++;
5074         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
5075         /* Use alternate WWN? */
5076         if (nv->host_p[1] & BIT_7) {
5077                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5078                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5079         }
5080
5081         /* Prepare nodename */
5082         if ((icb->firmware_options[1] & BIT_6) == 0) {
5083                 /*
5084                  * Firmware will apply the following mask if the nodename was
5085                  * not provided.
5086                  */
5087                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5088                 icb->node_name[0] &= 0xF0;
5089         }
5090
5091         /*
5092          * Set host adapter parameters.
5093          */
5094
5095         /*
5096          * BIT_7 in the host-parameters section allows for modification to
5097          * internal driver logging.
5098          */
5099         if (nv->host_p[0] & BIT_7)
5100                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
5101         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
5102         /* Always load RISC code on non ISP2[12]00 chips. */
5103         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
5104                 ha->flags.disable_risc_code_load = 0;
5105         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
5106         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
5107         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
5108         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
5109         ha->flags.disable_serdes = 0;
5110
5111         ha->operating_mode =
5112             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
5113
5114         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
5115             sizeof(ha->fw_seriallink_options));
5116
5117         /* save HBA serial number */
5118         ha->serial0 = icb->port_name[5];
5119         ha->serial1 = icb->port_name[6];
5120         ha->serial2 = icb->port_name[7];
5121         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5122         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5123
5124         icb->execution_throttle = cpu_to_le16(0xFFFF);
5125
5126         ha->retry_count = nv->retry_count;
5127
5128         /* Set minimum login_timeout to 4 seconds. */
5129         if (nv->login_timeout != ql2xlogintimeout)
5130                 nv->login_timeout = ql2xlogintimeout;
5131         if (nv->login_timeout < 4)
5132                 nv->login_timeout = 4;
5133         ha->login_timeout = nv->login_timeout;
5134
5135         /* Set minimum RATOV to 100 tenths of a second. */
5136         ha->r_a_tov = 100;
5137
5138         ha->loop_reset_delay = nv->reset_delay;
5139
5140         /* Link Down Timeout = 0:
5141          *
5142          *      When Port Down timer expires we will start returning
5143          *      I/O's to OS with "DID_NO_CONNECT".
5144          *
5145          * Link Down Timeout != 0:
5146          *
5147          *       The driver waits for the link to come up after link down
5148          *       before returning I/Os to OS with "DID_NO_CONNECT".
5149          */
5150         if (nv->link_down_timeout == 0) {
5151                 ha->loop_down_abort_time =
5152                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5153         } else {
5154                 ha->link_down_timeout =  nv->link_down_timeout;
5155                 ha->loop_down_abort_time =
5156                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5157         }
5158
5159         /*
5160          * Need enough time to try and get the port back.
5161          */
5162         ha->port_down_retry_count = nv->port_down_retry_count;
5163         if (qlport_down_retry)
5164                 ha->port_down_retry_count = qlport_down_retry;
5165         /* Set login_retry_count */
5166         ha->login_retry_count  = nv->retry_count;
5167         if (ha->port_down_retry_count == nv->port_down_retry_count &&
5168             ha->port_down_retry_count > 3)
5169                 ha->login_retry_count = ha->port_down_retry_count;
5170         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5171                 ha->login_retry_count = ha->port_down_retry_count;
5172         if (ql2xloginretrycount)
5173                 ha->login_retry_count = ql2xloginretrycount;
5174
5175         icb->lun_enables = cpu_to_le16(0);
5176         icb->command_resource_count = 0;
5177         icb->immediate_notify_resource_count = 0;
5178         icb->timeout = cpu_to_le16(0);
5179
5180         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
5181                 /* Enable RIO */
5182                 icb->firmware_options[0] &= ~BIT_3;
5183                 icb->add_firmware_options[0] &=
5184                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
5185                 icb->add_firmware_options[0] |= BIT_2;
5186                 icb->response_accumulation_timer = 3;
5187                 icb->interrupt_delay_timer = 5;
5188
5189                 vha->flags.process_response_queue = 1;
5190         } else {
5191                 /* Enable ZIO. */
5192                 if (!vha->flags.init_done) {
5193                         ha->zio_mode = icb->add_firmware_options[0] &
5194                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5195                         ha->zio_timer = icb->interrupt_delay_timer ?
5196                             icb->interrupt_delay_timer : 2;
5197                 }
5198                 icb->add_firmware_options[0] &=
5199                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
5200                 vha->flags.process_response_queue = 0;
5201                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5202                         ha->zio_mode = QLA_ZIO_MODE_6;
5203
5204                         ql_log(ql_log_info, vha, 0x0068,
5205                             "ZIO mode %d enabled; timer delay (%d us).\n",
5206                             ha->zio_mode, ha->zio_timer * 100);
5207
5208                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
5209                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
5210                         vha->flags.process_response_queue = 1;
5211                 }
5212         }
5213
5214         if (rval) {
5215                 ql_log(ql_log_warn, vha, 0x0069,
5216                     "NVRAM configuration failed.\n");
5217         }
5218         return (rval);
5219 }
5220
5221 void qla2x00_set_fcport_state(fc_port_t *fcport, int state)
5222 {
5223         int old_state;
5224
5225         old_state = atomic_read(&fcport->state);
5226         atomic_set(&fcport->state, state);
5227
5228         /* Don't print state transitions during initial allocation of fcport */
5229         if (old_state && old_state != state) {
5230                 ql_dbg(ql_dbg_disc, fcport->vha, 0x207d,
5231                        "FCPort %8phC state transitioned from %s to %s - portid=%02x%02x%02x.\n",
5232                        fcport->port_name, port_state_str[old_state],
5233                        port_state_str[state], fcport->d_id.b.domain,
5234                        fcport->d_id.b.area, fcport->d_id.b.al_pa);
5235         }
5236 }
5237
5238 /**
5239  * qla2x00_alloc_fcport() - Allocate a generic fcport.
5240  * @vha: HA context
5241  * @flags: allocation flags
5242  *
5243  * Returns a pointer to the allocated fcport, or NULL, if none available.
5244  */
5245 fc_port_t *
5246 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
5247 {
5248         fc_port_t *fcport;
5249
5250         fcport = kzalloc(sizeof(fc_port_t), flags);
5251         if (!fcport)
5252                 return NULL;
5253
5254         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
5255                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
5256                 flags);
5257         if (!fcport->ct_desc.ct_sns) {
5258                 ql_log(ql_log_warn, vha, 0xd049,
5259                     "Failed to allocate ct_sns request.\n");
5260                 kfree(fcport);
5261                 return NULL;
5262         }
5263
5264         /* Setup fcport template structure. */
5265         fcport->vha = vha;
5266         fcport->port_type = FCT_UNKNOWN;
5267         fcport->loop_id = FC_NO_LOOP_ID;
5268         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
5269         fcport->supported_classes = FC_COS_UNSPECIFIED;
5270         fcport->fp_speed = PORT_SPEED_UNKNOWN;
5271
5272         fcport->disc_state = DSC_DELETED;
5273         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
5274         fcport->deleted = QLA_SESS_DELETED;
5275         fcport->login_retry = vha->hw->login_retry_count;
5276         fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5277         fcport->logout_on_delete = 1;
5278         fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
5279         fcport->tgt_short_link_down_cnt = 0;
5280         fcport->dev_loss_tmo = 0;
5281
5282         if (!fcport->ct_desc.ct_sns) {
5283                 ql_log(ql_log_warn, vha, 0xd049,
5284                     "Failed to allocate ct_sns request.\n");
5285                 kfree(fcport);
5286                 return NULL;
5287         }
5288
5289         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
5290         INIT_WORK(&fcport->free_work, qlt_free_session_done);
5291         INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
5292         INIT_LIST_HEAD(&fcport->gnl_entry);
5293         INIT_LIST_HEAD(&fcport->list);
5294
5295         INIT_LIST_HEAD(&fcport->sess_cmd_list);
5296         spin_lock_init(&fcport->sess_cmd_lock);
5297
5298         spin_lock_init(&fcport->edif.sa_list_lock);
5299         INIT_LIST_HEAD(&fcport->edif.tx_sa_list);
5300         INIT_LIST_HEAD(&fcport->edif.rx_sa_list);
5301
5302         spin_lock_init(&fcport->edif.indx_list_lock);
5303         INIT_LIST_HEAD(&fcport->edif.edif_indx_list);
5304
5305         return fcport;
5306 }
5307
5308 void
5309 qla2x00_free_fcport(fc_port_t *fcport)
5310 {
5311         if (fcport->ct_desc.ct_sns) {
5312                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
5313                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
5314                         fcport->ct_desc.ct_sns_dma);
5315
5316                 fcport->ct_desc.ct_sns = NULL;
5317         }
5318
5319         qla_edif_flush_sa_ctl_lists(fcport);
5320         list_del(&fcport->list);
5321         qla2x00_clear_loop_id(fcport);
5322
5323         qla_edif_list_del(fcport);
5324
5325         kfree(fcport);
5326 }
5327
5328 static void qla_get_login_template(scsi_qla_host_t *vha)
5329 {
5330         struct qla_hw_data *ha = vha->hw;
5331         int rval;
5332         u32 *bp, sz;
5333         __be32 *q;
5334
5335         memset(ha->init_cb, 0, ha->init_cb_size);
5336         sz = min_t(int, sizeof(struct fc_els_flogi), ha->init_cb_size);
5337         rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
5338                                             ha->init_cb, sz);
5339         if (rval != QLA_SUCCESS) {
5340                 ql_dbg(ql_dbg_init, vha, 0x00d1,
5341                        "PLOGI ELS param read fail.\n");
5342                 return;
5343         }
5344         q = (__be32 *)&ha->plogi_els_payld.fl_csp;
5345
5346         bp = (uint32_t *)ha->init_cb;
5347         cpu_to_be32_array(q, bp, sz / 4);
5348         ha->flags.plogi_template_valid = 1;
5349 }
5350
5351 /*
5352  * qla2x00_configure_loop
5353  *      Updates Fibre Channel Device Database with what is actually on loop.
5354  *
5355  * Input:
5356  *      ha                = adapter block pointer.
5357  *
5358  * Returns:
5359  *      0 = success.
5360  *      1 = error.
5361  *      2 = database was full and device was not configured.
5362  */
5363 static int
5364 qla2x00_configure_loop(scsi_qla_host_t *vha)
5365 {
5366         int  rval;
5367         unsigned long flags, save_flags;
5368         struct qla_hw_data *ha = vha->hw;
5369
5370         rval = QLA_SUCCESS;
5371
5372         /* Get Initiator ID */
5373         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
5374                 rval = qla2x00_configure_hba(vha);
5375                 if (rval != QLA_SUCCESS) {
5376                         ql_dbg(ql_dbg_disc, vha, 0x2013,
5377                             "Unable to configure HBA.\n");
5378                         return (rval);
5379                 }
5380         }
5381
5382         save_flags = flags = vha->dpc_flags;
5383         ql_dbg(ql_dbg_disc, vha, 0x2014,
5384             "Configure loop -- dpc flags = 0x%lx.\n", flags);
5385
5386         /*
5387          * If we have both an RSCN and PORT UPDATE pending then handle them
5388          * both at the same time.
5389          */
5390         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5391         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
5392
5393         qla2x00_get_data_rate(vha);
5394         qla_get_login_template(vha);
5395
5396         /* Determine what we need to do */
5397         if ((ha->current_topology == ISP_CFG_FL ||
5398             ha->current_topology == ISP_CFG_F) &&
5399             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
5400
5401                 set_bit(RSCN_UPDATE, &flags);
5402                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
5403
5404         } else if (ha->current_topology == ISP_CFG_NL ||
5405                    ha->current_topology == ISP_CFG_N) {
5406                 clear_bit(RSCN_UPDATE, &flags);
5407                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5408         } else if (!vha->flags.online ||
5409             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
5410                 set_bit(RSCN_UPDATE, &flags);
5411                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5412         }
5413
5414         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
5415                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5416                         ql_dbg(ql_dbg_disc, vha, 0x2015,
5417                             "Loop resync needed, failing.\n");
5418                         rval = QLA_FUNCTION_FAILED;
5419                 } else
5420                         rval = qla2x00_configure_local_loop(vha);
5421         }
5422
5423         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
5424                 if (LOOP_TRANSITION(vha)) {
5425                         ql_dbg(ql_dbg_disc, vha, 0x2099,
5426                             "Needs RSCN update and loop transition.\n");
5427                         rval = QLA_FUNCTION_FAILED;
5428                 }
5429                 else
5430                         rval = qla2x00_configure_fabric(vha);
5431         }
5432
5433         if (rval == QLA_SUCCESS) {
5434                 if (atomic_read(&vha->loop_down_timer) ||
5435                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5436                         rval = QLA_FUNCTION_FAILED;
5437                 } else {
5438                         atomic_set(&vha->loop_state, LOOP_READY);
5439                         ql_dbg(ql_dbg_disc, vha, 0x2069,
5440                             "LOOP READY.\n");
5441                         ha->flags.fw_init_done = 1;
5442
5443                         /*
5444                          * use link up to wake up app to get ready for
5445                          * authentication.
5446                          */
5447                         if (ha->flags.edif_enabled && DBELL_INACTIVE(vha))
5448                                 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP,
5449                                                       ha->link_data_rate);
5450
5451                         /*
5452                          * Process any ATIO queue entries that came in
5453                          * while we weren't online.
5454                          */
5455                         if (qla_tgt_mode_enabled(vha) ||
5456                             qla_dual_mode_enabled(vha)) {
5457                                 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
5458                                 qlt_24xx_process_atio_queue(vha, 0);
5459                                 spin_unlock_irqrestore(&ha->tgt.atio_lock,
5460                                     flags);
5461                         }
5462                 }
5463         }
5464
5465         if (rval) {
5466                 ql_dbg(ql_dbg_disc, vha, 0x206a,
5467                     "%s *** FAILED ***.\n", __func__);
5468         } else {
5469                 ql_dbg(ql_dbg_disc, vha, 0x206b,
5470                     "%s: exiting normally. local port wwpn %8phN id %06x)\n",
5471                     __func__, vha->port_name, vha->d_id.b24);
5472         }
5473
5474         /* Restore state if a resync event occurred during processing */
5475         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5476                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
5477                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5478                 if (test_bit(RSCN_UPDATE, &save_flags)) {
5479                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
5480                 }
5481         }
5482
5483         return (rval);
5484 }
5485
5486 static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha)
5487 {
5488         unsigned long flags;
5489         fc_port_t *fcport;
5490
5491         ql_dbg(ql_dbg_disc, vha, 0x206a, "%s %d.\n", __func__, __LINE__);
5492
5493         if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags))
5494                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5495
5496         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5497                 if (fcport->n2n_flag) {
5498                         qla24xx_fcport_handle_login(vha, fcport);
5499                         return QLA_SUCCESS;
5500                 }
5501         }
5502
5503         spin_lock_irqsave(&vha->work_lock, flags);
5504         vha->scan.scan_retry++;
5505         spin_unlock_irqrestore(&vha->work_lock, flags);
5506
5507         if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5508                 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5509                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5510         }
5511         return QLA_FUNCTION_FAILED;
5512 }
5513
5514 static void
5515 qla_reinitialize_link(scsi_qla_host_t *vha)
5516 {
5517         int rval;
5518
5519         atomic_set(&vha->loop_state, LOOP_DOWN);
5520         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
5521         rval = qla2x00_full_login_lip(vha);
5522         if (rval == QLA_SUCCESS) {
5523                 ql_dbg(ql_dbg_disc, vha, 0xd050, "Link reinitialized\n");
5524         } else {
5525                 ql_dbg(ql_dbg_disc, vha, 0xd051,
5526                         "Link reinitialization failed (%d)\n", rval);
5527         }
5528 }
5529
5530 /*
5531  * qla2x00_configure_local_loop
5532  *      Updates Fibre Channel Device Database with local loop devices.
5533  *
5534  * Input:
5535  *      ha = adapter block pointer.
5536  *
5537  * Returns:
5538  *      0 = success.
5539  */
5540 static int
5541 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
5542 {
5543         int             rval, rval2;
5544         int             found;
5545         fc_port_t       *fcport, *new_fcport;
5546         uint16_t        index;
5547         uint16_t        entries;
5548         struct gid_list_info *gid;
5549         uint16_t        loop_id;
5550         uint8_t         domain, area, al_pa;
5551         struct qla_hw_data *ha = vha->hw;
5552         unsigned long flags;
5553
5554         /* Inititae N2N login. */
5555         if (N2N_TOPO(ha))
5556                 return qla2x00_configure_n2n_loop(vha);
5557
5558         new_fcport = NULL;
5559         entries = MAX_FIBRE_DEVICES_LOOP;
5560
5561         /* Get list of logged in devices. */
5562         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
5563         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
5564             &entries);
5565         if (rval != QLA_SUCCESS)
5566                 goto err;
5567
5568         ql_dbg(ql_dbg_disc, vha, 0x2011,
5569             "Entries in ID list (%d).\n", entries);
5570         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
5571             ha->gid_list, entries * sizeof(*ha->gid_list));
5572
5573         if (entries == 0) {
5574                 spin_lock_irqsave(&vha->work_lock, flags);
5575                 vha->scan.scan_retry++;
5576                 spin_unlock_irqrestore(&vha->work_lock, flags);
5577
5578                 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5579                         u8 loop_map_entries = 0;
5580                         int rc;
5581
5582                         rc = qla2x00_get_fcal_position_map(vha, NULL,
5583                                                 &loop_map_entries);
5584                         if (rc == QLA_SUCCESS && loop_map_entries > 1) {
5585                                 /*
5586                                  * There are devices that are still not logged
5587                                  * in. Reinitialize to give them a chance.
5588                                  */
5589                                 qla_reinitialize_link(vha);
5590                                 return QLA_FUNCTION_FAILED;
5591                         }
5592                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5593                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5594                 }
5595         } else {
5596                 vha->scan.scan_retry = 0;
5597         }
5598
5599         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5600                 fcport->scan_state = QLA_FCPORT_SCAN;
5601         }
5602
5603         /* Allocate temporary fcport for any new fcports discovered. */
5604         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5605         if (new_fcport == NULL) {
5606                 ql_log(ql_log_warn, vha, 0x2012,
5607                     "Memory allocation failed for fcport.\n");
5608                 rval = QLA_MEMORY_ALLOC_FAILED;
5609                 goto err;
5610         }
5611         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5612
5613         /* Add devices to port list. */
5614         gid = ha->gid_list;
5615         for (index = 0; index < entries; index++) {
5616                 domain = gid->domain;
5617                 area = gid->area;
5618                 al_pa = gid->al_pa;
5619                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
5620                         loop_id = gid->loop_id_2100;
5621                 else
5622                         loop_id = le16_to_cpu(gid->loop_id);
5623                 gid = (void *)gid + ha->gid_list_info_size;
5624
5625                 /* Bypass reserved domain fields. */
5626                 if ((domain & 0xf0) == 0xf0)
5627                         continue;
5628
5629                 /* Bypass if not same domain and area of adapter. */
5630                 if (area && domain && ((area != vha->d_id.b.area) ||
5631                     (domain != vha->d_id.b.domain)) &&
5632                     (ha->current_topology == ISP_CFG_NL))
5633                         continue;
5634
5635
5636                 /* Bypass invalid local loop ID. */
5637                 if (loop_id > LAST_LOCAL_LOOP_ID)
5638                         continue;
5639
5640                 memset(new_fcport->port_name, 0, WWN_SIZE);
5641
5642                 /* Fill in member data. */
5643                 new_fcport->d_id.b.domain = domain;
5644                 new_fcport->d_id.b.area = area;
5645                 new_fcport->d_id.b.al_pa = al_pa;
5646                 new_fcport->loop_id = loop_id;
5647                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5648
5649                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5650                 if (rval2 != QLA_SUCCESS) {
5651                         ql_dbg(ql_dbg_disc, vha, 0x2097,
5652                             "Failed to retrieve fcport information "
5653                             "-- get_port_database=%x, loop_id=0x%04x.\n",
5654                             rval2, new_fcport->loop_id);
5655                         /* Skip retry if N2N */
5656                         if (ha->current_topology != ISP_CFG_N) {
5657                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
5658                                     "Scheduling resync.\n");
5659                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5660                                 continue;
5661                         }
5662                 }
5663
5664                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5665                 /* Check for matching device in port list. */
5666                 found = 0;
5667                 fcport = NULL;
5668                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5669                         if (memcmp(new_fcport->port_name, fcport->port_name,
5670                             WWN_SIZE))
5671                                 continue;
5672
5673                         fcport->flags &= ~FCF_FABRIC_DEVICE;
5674                         fcport->loop_id = new_fcport->loop_id;
5675                         fcport->port_type = new_fcport->port_type;
5676                         fcport->d_id.b24 = new_fcport->d_id.b24;
5677                         memcpy(fcport->node_name, new_fcport->node_name,
5678                             WWN_SIZE);
5679                         fcport->scan_state = QLA_FCPORT_FOUND;
5680                         if (fcport->login_retry == 0) {
5681                                 fcport->login_retry = vha->hw->login_retry_count;
5682                                 ql_dbg(ql_dbg_disc, vha, 0x2135,
5683                                     "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n",
5684                                     fcport->port_name, fcport->loop_id,
5685                                     fcport->login_retry);
5686                         }
5687                         found++;
5688                         break;
5689                 }
5690
5691                 if (!found) {
5692                         /* New device, add to fcports list. */
5693                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
5694
5695                         /* Allocate a new replacement fcport. */
5696                         fcport = new_fcport;
5697
5698                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5699
5700                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5701
5702                         if (new_fcport == NULL) {
5703                                 ql_log(ql_log_warn, vha, 0xd031,
5704                                     "Failed to allocate memory for fcport.\n");
5705                                 rval = QLA_MEMORY_ALLOC_FAILED;
5706                                 goto err;
5707                         }
5708                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5709                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5710                 }
5711
5712                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5713
5714                 /* Base iIDMA settings on HBA port speed. */
5715                 fcport->fp_speed = ha->link_data_rate;
5716         }
5717
5718         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5719                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5720                         break;
5721
5722                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5723                         if ((qla_dual_mode_enabled(vha) ||
5724                             qla_ini_mode_enabled(vha)) &&
5725                             atomic_read(&fcport->state) == FCS_ONLINE) {
5726                                 qla2x00_mark_device_lost(vha, fcport,
5727                                         ql2xplogiabsentdevice);
5728                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5729                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5730                                     fcport->port_type != FCT_INITIATOR &&
5731                                     fcport->port_type != FCT_BROADCAST) {
5732                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5733                                             "%s %d %8phC post del sess\n",
5734                                             __func__, __LINE__,
5735                                             fcport->port_name);
5736
5737                                         qlt_schedule_sess_for_deletion(fcport);
5738                                         continue;
5739                                 }
5740                         }
5741                 }
5742
5743                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5744                         qla24xx_fcport_handle_login(vha, fcport);
5745         }
5746
5747         qla2x00_free_fcport(new_fcport);
5748
5749         return rval;
5750
5751 err:
5752         ql_dbg(ql_dbg_disc, vha, 0x2098,
5753                "Configure local loop error exit: rval=%x.\n", rval);
5754         return rval;
5755 }
5756
5757 static void
5758 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5759 {
5760         int rval;
5761         uint16_t mb[MAILBOX_REGISTER_COUNT];
5762         struct qla_hw_data *ha = vha->hw;
5763
5764         if (!IS_IIDMA_CAPABLE(ha))
5765                 return;
5766
5767         if (atomic_read(&fcport->state) != FCS_ONLINE)
5768                 return;
5769
5770         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5771             fcport->fp_speed > ha->link_data_rate ||
5772             !ha->flags.gpsc_supported)
5773                 return;
5774
5775         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5776             mb);
5777         if (rval != QLA_SUCCESS) {
5778                 ql_dbg(ql_dbg_disc, vha, 0x2004,
5779                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5780                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5781         } else {
5782                 ql_dbg(ql_dbg_disc, vha, 0x2005,
5783                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5784                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5785                     fcport->fp_speed, fcport->port_name);
5786         }
5787 }
5788
5789 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5790 {
5791         qla2x00_iidma_fcport(vha, fcport);
5792         qla24xx_update_fcport_fcp_prio(vha, fcport);
5793 }
5794
5795 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5796 {
5797         struct qla_work_evt *e;
5798
5799         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5800         if (!e)
5801                 return QLA_FUNCTION_FAILED;
5802
5803         e->u.fcport.fcport = fcport;
5804         return qla2x00_post_work(vha, e);
5805 }
5806
5807 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5808 static void
5809 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5810 {
5811         struct fc_rport_identifiers rport_ids;
5812         struct fc_rport *rport;
5813         unsigned long flags;
5814
5815         if (atomic_read(&fcport->state) == FCS_ONLINE)
5816                 return;
5817
5818         rport_ids.node_name = wwn_to_u64(fcport->node_name);
5819         rport_ids.port_name = wwn_to_u64(fcport->port_name);
5820         rport_ids.port_id = fcport->d_id.b.domain << 16 |
5821             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5822         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5823         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5824         if (!rport) {
5825                 ql_log(ql_log_warn, vha, 0x2006,
5826                     "Unable to allocate fc remote port.\n");
5827                 return;
5828         }
5829
5830         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5831         *((fc_port_t **)rport->dd_data) = fcport;
5832         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5833         fcport->dev_loss_tmo = rport->dev_loss_tmo;
5834
5835         rport->supported_classes = fcport->supported_classes;
5836
5837         rport_ids.roles = FC_PORT_ROLE_UNKNOWN;
5838         if (fcport->port_type == FCT_INITIATOR)
5839                 rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR;
5840         if (fcport->port_type == FCT_TARGET)
5841                 rport_ids.roles |= FC_PORT_ROLE_FCP_TARGET;
5842         if (fcport->port_type & FCT_NVME_INITIATOR)
5843                 rport_ids.roles |= FC_PORT_ROLE_NVME_INITIATOR;
5844         if (fcport->port_type & FCT_NVME_TARGET)
5845                 rport_ids.roles |= FC_PORT_ROLE_NVME_TARGET;
5846         if (fcport->port_type & FCT_NVME_DISCOVERY)
5847                 rport_ids.roles |= FC_PORT_ROLE_NVME_DISCOVERY;
5848
5849         fc_remote_port_rolechg(rport, rport_ids.roles);
5850
5851         ql_dbg(ql_dbg_disc, vha, 0x20ee,
5852             "%s: %8phN. rport %ld:0:%d (%p) is %s mode\n",
5853             __func__, fcport->port_name, vha->host_no,
5854             rport->scsi_target_id, rport,
5855             (fcport->port_type == FCT_TARGET) ? "tgt" :
5856             ((fcport->port_type & FCT_NVME) ? "nvme" : "ini"));
5857 }
5858
5859 /*
5860  * qla2x00_update_fcport
5861  *      Updates device on list.
5862  *
5863  * Input:
5864  *      ha = adapter block pointer.
5865  *      fcport = port structure pointer.
5866  *
5867  * Return:
5868  *      0  - Success
5869  *  BIT_0 - error
5870  *
5871  * Context:
5872  *      Kernel context.
5873  */
5874 void
5875 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5876 {
5877         if (IS_SW_RESV_ADDR(fcport->d_id))
5878                 return;
5879
5880         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5881             __func__, fcport->port_name);
5882
5883         qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5884         fcport->login_retry = vha->hw->login_retry_count;
5885         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5886         fcport->deleted = 0;
5887         if (vha->hw->current_topology == ISP_CFG_NL)
5888                 fcport->logout_on_delete = 0;
5889         else
5890                 fcport->logout_on_delete = 1;
5891         fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
5892
5893         if (fcport->tgt_link_down_time < fcport->dev_loss_tmo) {
5894                 fcport->tgt_short_link_down_cnt++;
5895                 fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
5896         }
5897
5898         switch (vha->hw->current_topology) {
5899         case ISP_CFG_N:
5900         case ISP_CFG_NL:
5901                 fcport->keep_nport_handle = 1;
5902                 break;
5903         default:
5904                 break;
5905         }
5906
5907         qla2x00_iidma_fcport(vha, fcport);
5908
5909         qla2x00_dfs_create_rport(vha, fcport);
5910
5911         qla24xx_update_fcport_fcp_prio(vha, fcport);
5912
5913         switch (vha->host->active_mode) {
5914         case MODE_INITIATOR:
5915                 qla2x00_reg_remote_port(vha, fcport);
5916                 break;
5917         case MODE_TARGET:
5918                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5919                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5920                         qlt_fc_port_added(vha, fcport);
5921                 break;
5922         case MODE_DUAL:
5923                 qla2x00_reg_remote_port(vha, fcport);
5924                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5925                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5926                         qlt_fc_port_added(vha, fcport);
5927                 break;
5928         default:
5929                 break;
5930         }
5931
5932         if (NVME_TARGET(vha->hw, fcport))
5933                 qla_nvme_register_remote(vha, fcport);
5934
5935         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5936
5937         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5938                 if (fcport->id_changed) {
5939                         fcport->id_changed = 0;
5940                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5941                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
5942                             __func__, __LINE__, fcport->port_name,
5943                             vha->fcport_count);
5944                         qla24xx_post_gfpnid_work(vha, fcport);
5945                 } else {
5946                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5947                             "%s %d %8phC post gpsc fcp_cnt %d\n",
5948                             __func__, __LINE__, fcport->port_name,
5949                             vha->fcport_count);
5950                         qla24xx_post_gpsc_work(vha, fcport);
5951                 }
5952         }
5953
5954         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5955 }
5956
5957 void qla_register_fcport_fn(struct work_struct *work)
5958 {
5959         fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
5960         u32 rscn_gen = fcport->rscn_gen;
5961         u16 data[2];
5962
5963         if (IS_SW_RESV_ADDR(fcport->d_id))
5964                 return;
5965
5966         qla2x00_update_fcport(fcport->vha, fcport);
5967
5968         ql_dbg(ql_dbg_disc, fcport->vha, 0x911e,
5969                "%s rscn gen %d/%d next DS %d\n", __func__,
5970                rscn_gen, fcport->rscn_gen, fcport->next_disc_state);
5971
5972         if (rscn_gen != fcport->rscn_gen) {
5973                 /* RSCN(s) came in while registration */
5974                 switch (fcport->next_disc_state) {
5975                 case DSC_DELETE_PEND:
5976                         qlt_schedule_sess_for_deletion(fcport);
5977                         break;
5978                 case DSC_ADISC:
5979                         data[0] = data[1] = 0;
5980                         qla2x00_post_async_adisc_work(fcport->vha, fcport,
5981                             data);
5982                         break;
5983                 default:
5984                         break;
5985                 }
5986         }
5987 }
5988
5989 /*
5990  * qla2x00_configure_fabric
5991  *      Setup SNS devices with loop ID's.
5992  *
5993  * Input:
5994  *      ha = adapter block pointer.
5995  *
5996  * Returns:
5997  *      0 = success.
5998  *      BIT_0 = error
5999  */
6000 static int
6001 qla2x00_configure_fabric(scsi_qla_host_t *vha)
6002 {
6003         int     rval;
6004         fc_port_t       *fcport;
6005         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6006         uint16_t        loop_id;
6007         LIST_HEAD(new_fcports);
6008         struct qla_hw_data *ha = vha->hw;
6009         int             discovery_gen;
6010
6011         /* If FL port exists, then SNS is present */
6012         if (IS_FWI2_CAPABLE(ha))
6013                 loop_id = NPH_F_PORT;
6014         else
6015                 loop_id = SNS_FL_PORT;
6016         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
6017         if (rval != QLA_SUCCESS) {
6018                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
6019                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
6020
6021                 vha->device_flags &= ~SWITCH_FOUND;
6022                 return (QLA_SUCCESS);
6023         }
6024         vha->device_flags |= SWITCH_FOUND;
6025
6026         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_port_name, 0);
6027         if (rval != QLA_SUCCESS)
6028                 ql_dbg(ql_dbg_disc, vha, 0x20ff,
6029                     "Failed to get Fabric Port Name\n");
6030
6031         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
6032                 rval = qla2x00_send_change_request(vha, 0x3, 0);
6033                 if (rval != QLA_SUCCESS)
6034                         ql_log(ql_log_warn, vha, 0x121,
6035                             "Failed to enable receiving of RSCN requests: 0x%x.\n",
6036                             rval);
6037         }
6038
6039         do {
6040                 qla2x00_mgmt_svr_login(vha);
6041
6042                 /* Ensure we are logged into the SNS. */
6043                 loop_id = NPH_SNS_LID(ha);
6044                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
6045                     0xfc, mb, BIT_1|BIT_0);
6046                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
6047                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
6048                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
6049                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
6050                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6051                         return rval;
6052                 }
6053
6054                 /* FDMI support. */
6055                 if (ql2xfdmienable &&
6056                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
6057                         qla2x00_fdmi_register(vha);
6058
6059                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
6060                         if (qla2x00_rft_id(vha)) {
6061                                 /* EMPTY */
6062                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
6063                                     "Register FC-4 TYPE failed.\n");
6064                                 if (test_bit(LOOP_RESYNC_NEEDED,
6065                                     &vha->dpc_flags))
6066                                         break;
6067                         }
6068                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
6069                                 /* EMPTY */
6070                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
6071                                     "Register FC-4 Features failed.\n");
6072                                 if (test_bit(LOOP_RESYNC_NEEDED,
6073                                     &vha->dpc_flags))
6074                                         break;
6075                         }
6076                         if (vha->flags.nvme_enabled) {
6077                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
6078                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
6079                                             "Register NVME FC Type Features failed.\n");
6080                                 }
6081                         }
6082                         if (qla2x00_rnn_id(vha)) {
6083                                 /* EMPTY */
6084                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
6085                                     "Register Node Name failed.\n");
6086                                 if (test_bit(LOOP_RESYNC_NEEDED,
6087                                     &vha->dpc_flags))
6088                                         break;
6089                         } else if (qla2x00_rsnn_nn(vha)) {
6090                                 /* EMPTY */
6091                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
6092                                     "Register Symbolic Node Name failed.\n");
6093                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6094                                         break;
6095                         }
6096                 }
6097
6098
6099                 /* Mark the time right before querying FW for connected ports.
6100                  * This process is long, asynchronous and by the time it's done,
6101                  * collected information might not be accurate anymore. E.g.
6102                  * disconnected port might have re-connected and a brand new
6103                  * session has been created. In this case session's generation
6104                  * will be newer than discovery_gen. */
6105                 qlt_do_generation_tick(vha, &discovery_gen);
6106
6107                 if (USE_ASYNC_SCAN(ha)) {
6108                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
6109                             NULL);
6110                         if (rval)
6111                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6112                 } else  {
6113                         list_for_each_entry(fcport, &vha->vp_fcports, list)
6114                                 fcport->scan_state = QLA_FCPORT_SCAN;
6115
6116                         rval = qla2x00_find_all_fabric_devs(vha);
6117                 }
6118                 if (rval != QLA_SUCCESS)
6119                         break;
6120         } while (0);
6121
6122         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
6123                 qla_nvme_register_hba(vha);
6124
6125         if (rval)
6126                 ql_dbg(ql_dbg_disc, vha, 0x2068,
6127                     "Configure fabric error exit rval=%d.\n", rval);
6128
6129         return (rval);
6130 }
6131
6132 /*
6133  * qla2x00_find_all_fabric_devs
6134  *
6135  * Input:
6136  *      ha = adapter block pointer.
6137  *      dev = database device entry pointer.
6138  *
6139  * Returns:
6140  *      0 = success.
6141  *
6142  * Context:
6143  *      Kernel context.
6144  */
6145 static int
6146 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
6147 {
6148         int             rval;
6149         uint16_t        loop_id;
6150         fc_port_t       *fcport, *new_fcport;
6151         int             found;
6152
6153         sw_info_t       *swl;
6154         int             swl_idx;
6155         int             first_dev, last_dev;
6156         port_id_t       wrap = {}, nxt_d_id;
6157         struct qla_hw_data *ha = vha->hw;
6158         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6159         unsigned long flags;
6160
6161         rval = QLA_SUCCESS;
6162
6163         /* Try GID_PT to get device list, else GAN. */
6164         if (!ha->swl)
6165                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
6166                     GFP_KERNEL);
6167         swl = ha->swl;
6168         if (!swl) {
6169                 /*EMPTY*/
6170                 ql_dbg(ql_dbg_disc, vha, 0x209c,
6171                     "GID_PT allocations failed, fallback on GA_NXT.\n");
6172         } else {
6173                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
6174                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
6175                         swl = NULL;
6176                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6177                                 return rval;
6178                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
6179                         swl = NULL;
6180                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6181                                 return rval;
6182                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
6183                         swl = NULL;
6184                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6185                                 return rval;
6186                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
6187                         swl = NULL;
6188                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6189                                 return rval;
6190                 }
6191
6192                 /* If other queries succeeded probe for FC-4 type */
6193                 if (swl) {
6194                         qla2x00_gff_id(vha, swl);
6195                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6196                                 return rval;
6197                 }
6198         }
6199         swl_idx = 0;
6200
6201         /* Allocate temporary fcport for any new fcports discovered. */
6202         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
6203         if (new_fcport == NULL) {
6204                 ql_log(ql_log_warn, vha, 0x209d,
6205                     "Failed to allocate memory for fcport.\n");
6206                 return (QLA_MEMORY_ALLOC_FAILED);
6207         }
6208         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
6209         /* Set start port ID scan at adapter ID. */
6210         first_dev = 1;
6211         last_dev = 0;
6212
6213         /* Starting free loop ID. */
6214         loop_id = ha->min_external_loopid;
6215         for (; loop_id <= ha->max_loop_id; loop_id++) {
6216                 if (qla2x00_is_reserved_id(vha, loop_id))
6217                         continue;
6218
6219                 if (ha->current_topology == ISP_CFG_FL &&
6220                     (atomic_read(&vha->loop_down_timer) ||
6221                      LOOP_TRANSITION(vha))) {
6222                         atomic_set(&vha->loop_down_timer, 0);
6223                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6224                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
6225                         break;
6226                 }
6227
6228                 if (swl != NULL) {
6229                         if (last_dev) {
6230                                 wrap.b24 = new_fcport->d_id.b24;
6231                         } else {
6232                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
6233                                 memcpy(new_fcport->node_name,
6234                                     swl[swl_idx].node_name, WWN_SIZE);
6235                                 memcpy(new_fcport->port_name,
6236                                     swl[swl_idx].port_name, WWN_SIZE);
6237                                 memcpy(new_fcport->fabric_port_name,
6238                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
6239                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
6240                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
6241
6242                                 new_fcport->nvme_flag = 0;
6243                                 if (vha->flags.nvme_enabled &&
6244                                     swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) {
6245                                         ql_log(ql_log_info, vha, 0x2131,
6246                                             "FOUND: NVME port %8phC as FC Type 28h\n",
6247                                             new_fcport->port_name);
6248                                 }
6249
6250                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
6251                                         last_dev = 1;
6252                                 }
6253                                 swl_idx++;
6254                         }
6255                 } else {
6256                         /* Send GA_NXT to the switch */
6257                         rval = qla2x00_ga_nxt(vha, new_fcport);
6258                         if (rval != QLA_SUCCESS) {
6259                                 ql_log(ql_log_warn, vha, 0x209e,
6260                                     "SNS scan failed -- assuming "
6261                                     "zero-entry result.\n");
6262                                 rval = QLA_SUCCESS;
6263                                 break;
6264                         }
6265                 }
6266
6267                 /* If wrap on switch device list, exit. */
6268                 if (first_dev) {
6269                         wrap.b24 = new_fcport->d_id.b24;
6270                         first_dev = 0;
6271                 } else if (new_fcport->d_id.b24 == wrap.b24) {
6272                         ql_dbg(ql_dbg_disc, vha, 0x209f,
6273                             "Device wrap (%02x%02x%02x).\n",
6274                             new_fcport->d_id.b.domain,
6275                             new_fcport->d_id.b.area,
6276                             new_fcport->d_id.b.al_pa);
6277                         break;
6278                 }
6279
6280                 /* Bypass if same physical adapter. */
6281                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
6282                         continue;
6283
6284                 /* Bypass virtual ports of the same host. */
6285                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
6286                         continue;
6287
6288                 /* Bypass if same domain and area of adapter. */
6289                 if (((new_fcport->d_id.b24 & 0xffff00) ==
6290                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
6291                         ISP_CFG_FL)
6292                             continue;
6293
6294                 /* Bypass reserved domain fields. */
6295                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
6296                         continue;
6297
6298                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
6299                 if (ql2xgffidenable &&
6300                     (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) &&
6301                     new_fcport->fc4_type != 0))
6302                         continue;
6303
6304                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
6305
6306                 /* Locate matching device in database. */
6307                 found = 0;
6308                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6309                         if (memcmp(new_fcport->port_name, fcport->port_name,
6310                             WWN_SIZE))
6311                                 continue;
6312
6313                         fcport->scan_state = QLA_FCPORT_FOUND;
6314
6315                         found++;
6316
6317                         /* Update port state. */
6318                         memcpy(fcport->fabric_port_name,
6319                             new_fcport->fabric_port_name, WWN_SIZE);
6320                         fcport->fp_speed = new_fcport->fp_speed;
6321
6322                         /*
6323                          * If address the same and state FCS_ONLINE
6324                          * (or in target mode), nothing changed.
6325                          */
6326                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
6327                             (atomic_read(&fcport->state) == FCS_ONLINE ||
6328                              (vha->host->active_mode == MODE_TARGET))) {
6329                                 break;
6330                         }
6331
6332                         if (fcport->login_retry == 0)
6333                                 fcport->login_retry =
6334                                         vha->hw->login_retry_count;
6335                         /*
6336                          * If device was not a fabric device before.
6337                          */
6338                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
6339                                 fcport->d_id.b24 = new_fcport->d_id.b24;
6340                                 qla2x00_clear_loop_id(fcport);
6341                                 fcport->flags |= (FCF_FABRIC_DEVICE |
6342                                     FCF_LOGIN_NEEDED);
6343                                 break;
6344                         }
6345
6346                         /*
6347                          * Port ID changed or device was marked to be updated;
6348                          * Log it out if still logged in and mark it for
6349                          * relogin later.
6350                          */
6351                         if (qla_tgt_mode_enabled(base_vha)) {
6352                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
6353                                          "port changed FC ID, %8phC"
6354                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
6355                                          fcport->port_name,
6356                                          fcport->d_id.b.domain,
6357                                          fcport->d_id.b.area,
6358                                          fcport->d_id.b.al_pa,
6359                                          fcport->loop_id,
6360                                          new_fcport->d_id.b.domain,
6361                                          new_fcport->d_id.b.area,
6362                                          new_fcport->d_id.b.al_pa);
6363                                 fcport->d_id.b24 = new_fcport->d_id.b24;
6364                                 break;
6365                         }
6366
6367                         fcport->d_id.b24 = new_fcport->d_id.b24;
6368                         fcport->flags |= FCF_LOGIN_NEEDED;
6369                         break;
6370                 }
6371
6372                 if (found && NVME_TARGET(vha->hw, fcport)) {
6373                         if (fcport->disc_state == DSC_DELETE_PEND) {
6374                                 qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
6375                                 vha->fcport_count--;
6376                                 fcport->login_succ = 0;
6377                         }
6378                 }
6379
6380                 if (found) {
6381                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6382                         continue;
6383                 }
6384                 /* If device was not in our fcports list, then add it. */
6385                 new_fcport->scan_state = QLA_FCPORT_FOUND;
6386                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
6387
6388                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6389
6390
6391                 /* Allocate a new replacement fcport. */
6392                 nxt_d_id.b24 = new_fcport->d_id.b24;
6393                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
6394                 if (new_fcport == NULL) {
6395                         ql_log(ql_log_warn, vha, 0xd032,
6396                             "Memory allocation failed for fcport.\n");
6397                         return (QLA_MEMORY_ALLOC_FAILED);
6398                 }
6399                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
6400                 new_fcport->d_id.b24 = nxt_d_id.b24;
6401         }
6402
6403         qla2x00_free_fcport(new_fcport);
6404
6405         /*
6406          * Logout all previous fabric dev marked lost, except FCP2 devices.
6407          */
6408         list_for_each_entry(fcport, &vha->vp_fcports, list) {
6409                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6410                         break;
6411
6412                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
6413                         continue;
6414
6415                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
6416                         if ((qla_dual_mode_enabled(vha) ||
6417                             qla_ini_mode_enabled(vha)) &&
6418                             atomic_read(&fcport->state) == FCS_ONLINE) {
6419                                 qla2x00_mark_device_lost(vha, fcport,
6420                                         ql2xplogiabsentdevice);
6421                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
6422                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
6423                                     fcport->port_type != FCT_INITIATOR &&
6424                                     fcport->port_type != FCT_BROADCAST) {
6425                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
6426                                             "%s %d %8phC post del sess\n",
6427                                             __func__, __LINE__,
6428                                             fcport->port_name);
6429                                         qlt_schedule_sess_for_deletion(fcport);
6430                                         continue;
6431                                 }
6432                         }
6433                 }
6434
6435                 if (fcport->scan_state == QLA_FCPORT_FOUND &&
6436                     (fcport->flags & FCF_LOGIN_NEEDED) != 0)
6437                         qla24xx_fcport_handle_login(vha, fcport);
6438         }
6439         return (rval);
6440 }
6441
6442 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
6443 int
6444 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
6445 {
6446         int loop_id = FC_NO_LOOP_ID;
6447         int lid = NPH_MGMT_SERVER - vha->vp_idx;
6448         unsigned long flags;
6449         struct qla_hw_data *ha = vha->hw;
6450
6451         if (vha->vp_idx == 0) {
6452                 set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
6453                 return NPH_MGMT_SERVER;
6454         }
6455
6456         /* pick id from high and work down to low */
6457         spin_lock_irqsave(&ha->vport_slock, flags);
6458         for (; lid > 0; lid--) {
6459                 if (!test_bit(lid, vha->hw->loop_id_map)) {
6460                         set_bit(lid, vha->hw->loop_id_map);
6461                         loop_id = lid;
6462                         break;
6463                 }
6464         }
6465         spin_unlock_irqrestore(&ha->vport_slock, flags);
6466
6467         return loop_id;
6468 }
6469
6470 /*
6471  * qla2x00_fabric_login
6472  *      Issue fabric login command.
6473  *
6474  * Input:
6475  *      ha = adapter block pointer.
6476  *      device = pointer to FC device type structure.
6477  *
6478  * Returns:
6479  *      0 - Login successfully
6480  *      1 - Login failed
6481  *      2 - Initiator device
6482  *      3 - Fatal error
6483  */
6484 int
6485 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
6486     uint16_t *next_loopid)
6487 {
6488         int     rval;
6489         int     retry;
6490         uint16_t tmp_loopid;
6491         uint16_t mb[MAILBOX_REGISTER_COUNT];
6492         struct qla_hw_data *ha = vha->hw;
6493
6494         retry = 0;
6495         tmp_loopid = 0;
6496
6497         for (;;) {
6498                 ql_dbg(ql_dbg_disc, vha, 0x2000,
6499                     "Trying Fabric Login w/loop id 0x%04x for port "
6500                     "%02x%02x%02x.\n",
6501                     fcport->loop_id, fcport->d_id.b.domain,
6502                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
6503
6504                 /* Login fcport on switch. */
6505                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
6506                     fcport->d_id.b.domain, fcport->d_id.b.area,
6507                     fcport->d_id.b.al_pa, mb, BIT_0);
6508                 if (rval != QLA_SUCCESS) {
6509                         return rval;
6510                 }
6511                 if (mb[0] == MBS_PORT_ID_USED) {
6512                         /*
6513                          * Device has another loop ID.  The firmware team
6514                          * recommends the driver perform an implicit login with
6515                          * the specified ID again. The ID we just used is save
6516                          * here so we return with an ID that can be tried by
6517                          * the next login.
6518                          */
6519                         retry++;
6520                         tmp_loopid = fcport->loop_id;
6521                         fcport->loop_id = mb[1];
6522
6523                         ql_dbg(ql_dbg_disc, vha, 0x2001,
6524                             "Fabric Login: port in use - next loop "
6525                             "id=0x%04x, port id= %02x%02x%02x.\n",
6526                             fcport->loop_id, fcport->d_id.b.domain,
6527                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6528
6529                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
6530                         /*
6531                          * Login succeeded.
6532                          */
6533                         if (retry) {
6534                                 /* A retry occurred before. */
6535                                 *next_loopid = tmp_loopid;
6536                         } else {
6537                                 /*
6538                                  * No retry occurred before. Just increment the
6539                                  * ID value for next login.
6540                                  */
6541                                 *next_loopid = (fcport->loop_id + 1);
6542                         }
6543
6544                         if (mb[1] & BIT_0) {
6545                                 fcport->port_type = FCT_INITIATOR;
6546                         } else {
6547                                 fcport->port_type = FCT_TARGET;
6548                                 if (mb[1] & BIT_1) {
6549                                         fcport->flags |= FCF_FCP2_DEVICE;
6550                                 }
6551                         }
6552
6553                         if (mb[10] & BIT_0)
6554                                 fcport->supported_classes |= FC_COS_CLASS2;
6555                         if (mb[10] & BIT_1)
6556                                 fcport->supported_classes |= FC_COS_CLASS3;
6557
6558                         if (IS_FWI2_CAPABLE(ha)) {
6559                                 if (mb[10] & BIT_7)
6560                                         fcport->flags |=
6561                                             FCF_CONF_COMP_SUPPORTED;
6562                         }
6563
6564                         rval = QLA_SUCCESS;
6565                         break;
6566                 } else if (mb[0] == MBS_LOOP_ID_USED) {
6567                         /*
6568                          * Loop ID already used, try next loop ID.
6569                          */
6570                         fcport->loop_id++;
6571                         rval = qla2x00_find_new_loop_id(vha, fcport);
6572                         if (rval != QLA_SUCCESS) {
6573                                 /* Ran out of loop IDs to use */
6574                                 break;
6575                         }
6576                 } else if (mb[0] == MBS_COMMAND_ERROR) {
6577                         /*
6578                          * Firmware possibly timed out during login. If NO
6579                          * retries are left to do then the device is declared
6580                          * dead.
6581                          */
6582                         *next_loopid = fcport->loop_id;
6583                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6584                             fcport->d_id.b.domain, fcport->d_id.b.area,
6585                             fcport->d_id.b.al_pa);
6586                         qla2x00_mark_device_lost(vha, fcport, 1);
6587
6588                         rval = 1;
6589                         break;
6590                 } else {
6591                         /*
6592                          * unrecoverable / not handled error
6593                          */
6594                         ql_dbg(ql_dbg_disc, vha, 0x2002,
6595                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
6596                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
6597                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
6598                             fcport->loop_id, jiffies);
6599
6600                         *next_loopid = fcport->loop_id;
6601                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6602                             fcport->d_id.b.domain, fcport->d_id.b.area,
6603                             fcport->d_id.b.al_pa);
6604                         qla2x00_clear_loop_id(fcport);
6605                         fcport->login_retry = 0;
6606
6607                         rval = 3;
6608                         break;
6609                 }
6610         }
6611
6612         return (rval);
6613 }
6614
6615 /*
6616  * qla2x00_local_device_login
6617  *      Issue local device login command.
6618  *
6619  * Input:
6620  *      ha = adapter block pointer.
6621  *      loop_id = loop id of device to login to.
6622  *
6623  * Returns (Where's the #define!!!!):
6624  *      0 - Login successfully
6625  *      1 - Login failed
6626  *      3 - Fatal error
6627  */
6628 int
6629 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6630 {
6631         int             rval;
6632         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6633
6634         memset(mb, 0, sizeof(mb));
6635         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6636         if (rval == QLA_SUCCESS) {
6637                 /* Interrogate mailbox registers for any errors */
6638                 if (mb[0] == MBS_COMMAND_ERROR)
6639                         rval = 1;
6640                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6641                         /* device not in PCB table */
6642                         rval = 3;
6643         }
6644
6645         return (rval);
6646 }
6647
6648 /*
6649  *  qla2x00_loop_resync
6650  *      Resync with fibre channel devices.
6651  *
6652  * Input:
6653  *      ha = adapter block pointer.
6654  *
6655  * Returns:
6656  *      0 = success
6657  */
6658 int
6659 qla2x00_loop_resync(scsi_qla_host_t *vha)
6660 {
6661         int rval = QLA_SUCCESS;
6662         uint32_t wait_time;
6663
6664         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6665         if (vha->flags.online) {
6666                 if (!(rval = qla2x00_fw_ready(vha))) {
6667                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
6668                         wait_time = 256;
6669                         do {
6670                                 if (!IS_QLAFX00(vha->hw)) {
6671                                         /*
6672                                          * Issue a marker after FW becomes
6673                                          * ready.
6674                                          */
6675                                         qla2x00_marker(vha, vha->hw->base_qpair,
6676                                             0, 0, MK_SYNC_ALL);
6677                                         vha->marker_needed = 0;
6678                                 }
6679
6680                                 /* Remap devices on Loop. */
6681                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6682
6683                                 if (IS_QLAFX00(vha->hw))
6684                                         qlafx00_configure_devices(vha);
6685                                 else
6686                                         qla2x00_configure_loop(vha);
6687
6688                                 wait_time--;
6689                         } while (!atomic_read(&vha->loop_down_timer) &&
6690                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6691                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6692                                 &vha->dpc_flags)));
6693                 }
6694         }
6695
6696         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6697                 return (QLA_FUNCTION_FAILED);
6698
6699         if (rval)
6700                 ql_dbg(ql_dbg_disc, vha, 0x206c,
6701                     "%s *** FAILED ***.\n", __func__);
6702
6703         return (rval);
6704 }
6705
6706 /*
6707 * qla2x00_perform_loop_resync
6708 * Description: This function will set the appropriate flags and call
6709 *              qla2x00_loop_resync. If successful loop will be resynced
6710 * Arguments : scsi_qla_host_t pointer
6711 * returm    : Success or Failure
6712 */
6713
6714 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
6715 {
6716         int32_t rval = 0;
6717
6718         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
6719                 /*Configure the flags so that resync happens properly*/
6720                 atomic_set(&ha->loop_down_timer, 0);
6721                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
6722                         atomic_set(&ha->loop_state, LOOP_UP);
6723                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
6724                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
6725                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
6726
6727                         rval = qla2x00_loop_resync(ha);
6728                 } else
6729                         atomic_set(&ha->loop_state, LOOP_DEAD);
6730
6731                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
6732         }
6733
6734         return rval;
6735 }
6736
6737 /* Assumes idc_lock always held on entry */
6738 void
6739 qla83xx_reset_ownership(scsi_qla_host_t *vha)
6740 {
6741         struct qla_hw_data *ha = vha->hw;
6742         uint32_t drv_presence, drv_presence_mask;
6743         uint32_t dev_part_info1, dev_part_info2, class_type;
6744         uint32_t class_type_mask = 0x3;
6745         uint16_t fcoe_other_function = 0xffff, i;
6746
6747         if (IS_QLA8044(ha)) {
6748                 drv_presence = qla8044_rd_direct(vha,
6749                     QLA8044_CRB_DRV_ACTIVE_INDEX);
6750                 dev_part_info1 = qla8044_rd_direct(vha,
6751                     QLA8044_CRB_DEV_PART_INFO_INDEX);
6752                 dev_part_info2 = qla8044_rd_direct(vha,
6753                     QLA8044_CRB_DEV_PART_INFO2);
6754         } else {
6755                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6756                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
6757                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
6758         }
6759         for (i = 0; i < 8; i++) {
6760                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
6761                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6762                     (i != ha->portnum)) {
6763                         fcoe_other_function = i;
6764                         break;
6765                 }
6766         }
6767         if (fcoe_other_function == 0xffff) {
6768                 for (i = 0; i < 8; i++) {
6769                         class_type = ((dev_part_info2 >> (i * 4)) &
6770                             class_type_mask);
6771                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6772                             ((i + 8) != ha->portnum)) {
6773                                 fcoe_other_function = i + 8;
6774                                 break;
6775                         }
6776                 }
6777         }
6778         /*
6779          * Prepare drv-presence mask based on fcoe functions present.
6780          * However consider only valid physical fcoe function numbers (0-15).
6781          */
6782         drv_presence_mask = ~((1 << (ha->portnum)) |
6783                         ((fcoe_other_function == 0xffff) ?
6784                          0 : (1 << (fcoe_other_function))));
6785
6786         /* We are the reset owner iff:
6787          *    - No other protocol drivers present.
6788          *    - This is the lowest among fcoe functions. */
6789         if (!(drv_presence & drv_presence_mask) &&
6790                         (ha->portnum < fcoe_other_function)) {
6791                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6792                     "This host is Reset owner.\n");
6793                 ha->flags.nic_core_reset_owner = 1;
6794         }
6795 }
6796
6797 static int
6798 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6799 {
6800         int rval = QLA_SUCCESS;
6801         struct qla_hw_data *ha = vha->hw;
6802         uint32_t drv_ack;
6803
6804         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6805         if (rval == QLA_SUCCESS) {
6806                 drv_ack |= (1 << ha->portnum);
6807                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6808         }
6809
6810         return rval;
6811 }
6812
6813 static int
6814 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6815 {
6816         int rval = QLA_SUCCESS;
6817         struct qla_hw_data *ha = vha->hw;
6818         uint32_t drv_ack;
6819
6820         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6821         if (rval == QLA_SUCCESS) {
6822                 drv_ack &= ~(1 << ha->portnum);
6823                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6824         }
6825
6826         return rval;
6827 }
6828
6829 /* Assumes idc-lock always held on entry */
6830 void
6831 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6832 {
6833         struct qla_hw_data *ha = vha->hw;
6834         uint32_t idc_audit_reg = 0, duration_secs = 0;
6835
6836         switch (audit_type) {
6837         case IDC_AUDIT_TIMESTAMP:
6838                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6839                 idc_audit_reg = (ha->portnum) |
6840                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6841                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6842                 break;
6843
6844         case IDC_AUDIT_COMPLETION:
6845                 duration_secs = ((jiffies_to_msecs(jiffies) -
6846                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6847                 idc_audit_reg = (ha->portnum) |
6848                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6849                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6850                 break;
6851
6852         default:
6853                 ql_log(ql_log_warn, vha, 0xb078,
6854                     "Invalid audit type specified.\n");
6855                 break;
6856         }
6857 }
6858
6859 /* Assumes idc_lock always held on entry */
6860 static int
6861 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6862 {
6863         struct qla_hw_data *ha = vha->hw;
6864         uint32_t  idc_control, dev_state;
6865
6866         __qla83xx_get_idc_control(vha, &idc_control);
6867         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6868                 ql_log(ql_log_info, vha, 0xb080,
6869                     "NIC Core reset has been disabled. idc-control=0x%x\n",
6870                     idc_control);
6871                 return QLA_FUNCTION_FAILED;
6872         }
6873
6874         /* Set NEED-RESET iff in READY state and we are the reset-owner */
6875         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6876         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6877                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6878                     QLA8XXX_DEV_NEED_RESET);
6879                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6880                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6881         } else {
6882                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n",
6883                                 qdev_state(dev_state));
6884
6885                 /* SV: XXX: Is timeout required here? */
6886                 /* Wait for IDC state change READY -> NEED_RESET */
6887                 while (dev_state == QLA8XXX_DEV_READY) {
6888                         qla83xx_idc_unlock(vha, 0);
6889                         msleep(200);
6890                         qla83xx_idc_lock(vha, 0);
6891                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6892                 }
6893         }
6894
6895         /* Send IDC ack by writing to drv-ack register */
6896         __qla83xx_set_drv_ack(vha);
6897
6898         return QLA_SUCCESS;
6899 }
6900
6901 int
6902 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6903 {
6904         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6905 }
6906
6907 int
6908 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6909 {
6910         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6911 }
6912
6913 static int
6914 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6915 {
6916         uint32_t drv_presence = 0;
6917         struct qla_hw_data *ha = vha->hw;
6918
6919         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6920         if (drv_presence & (1 << ha->portnum))
6921                 return QLA_SUCCESS;
6922         else
6923                 return QLA_TEST_FAILED;
6924 }
6925
6926 int
6927 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6928 {
6929         int rval = QLA_SUCCESS;
6930         struct qla_hw_data *ha = vha->hw;
6931
6932         ql_dbg(ql_dbg_p3p, vha, 0xb058,
6933             "Entered  %s().\n", __func__);
6934
6935         if (vha->device_flags & DFLG_DEV_FAILED) {
6936                 ql_log(ql_log_warn, vha, 0xb059,
6937                     "Device in unrecoverable FAILED state.\n");
6938                 return QLA_FUNCTION_FAILED;
6939         }
6940
6941         qla83xx_idc_lock(vha, 0);
6942
6943         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6944                 ql_log(ql_log_warn, vha, 0xb05a,
6945                     "Function=0x%x has been removed from IDC participation.\n",
6946                     ha->portnum);
6947                 rval = QLA_FUNCTION_FAILED;
6948                 goto exit;
6949         }
6950
6951         qla83xx_reset_ownership(vha);
6952
6953         rval = qla83xx_initiating_reset(vha);
6954
6955         /*
6956          * Perform reset if we are the reset-owner,
6957          * else wait till IDC state changes to READY/FAILED.
6958          */
6959         if (rval == QLA_SUCCESS) {
6960                 rval = qla83xx_idc_state_handler(vha);
6961
6962                 if (rval == QLA_SUCCESS)
6963                         ha->flags.nic_core_hung = 0;
6964                 __qla83xx_clear_drv_ack(vha);
6965         }
6966
6967 exit:
6968         qla83xx_idc_unlock(vha, 0);
6969
6970         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6971
6972         return rval;
6973 }
6974
6975 int
6976 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6977 {
6978         struct qla_hw_data *ha = vha->hw;
6979         int rval = QLA_FUNCTION_FAILED;
6980
6981         if (!IS_MCTP_CAPABLE(ha)) {
6982                 /* This message can be removed from the final version */
6983                 ql_log(ql_log_info, vha, 0x506d,
6984                     "This board is not MCTP capable\n");
6985                 return rval;
6986         }
6987
6988         if (!ha->mctp_dump) {
6989                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6990                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6991
6992                 if (!ha->mctp_dump) {
6993                         ql_log(ql_log_warn, vha, 0x506e,
6994                             "Failed to allocate memory for mctp dump\n");
6995                         return rval;
6996                 }
6997         }
6998
6999 #define MCTP_DUMP_STR_ADDR      0x00000000
7000         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
7001             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
7002         if (rval != QLA_SUCCESS) {
7003                 ql_log(ql_log_warn, vha, 0x506f,
7004                     "Failed to capture mctp dump\n");
7005         } else {
7006                 ql_log(ql_log_info, vha, 0x5070,
7007                     "Mctp dump capture for host (%ld/%p).\n",
7008                     vha->host_no, ha->mctp_dump);
7009                 ha->mctp_dumped = 1;
7010         }
7011
7012         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
7013                 ha->flags.nic_core_reset_hdlr_active = 1;
7014                 rval = qla83xx_restart_nic_firmware(vha);
7015                 if (rval)
7016                         /* NIC Core reset failed. */
7017                         ql_log(ql_log_warn, vha, 0x5071,
7018                             "Failed to restart nic firmware\n");
7019                 else
7020                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
7021                             "Restarted NIC firmware successfully.\n");
7022                 ha->flags.nic_core_reset_hdlr_active = 0;
7023         }
7024
7025         return rval;
7026
7027 }
7028
7029 /*
7030 * qla2x00_quiesce_io
7031 * Description: This function will block the new I/Os
7032 *              Its not aborting any I/Os as context
7033 *              is not destroyed during quiescence
7034 * Arguments: scsi_qla_host_t
7035 * return   : void
7036 */
7037 void
7038 qla2x00_quiesce_io(scsi_qla_host_t *vha)
7039 {
7040         struct qla_hw_data *ha = vha->hw;
7041         struct scsi_qla_host *vp, *tvp;
7042         unsigned long flags;
7043
7044         ql_dbg(ql_dbg_dpc, vha, 0x401d,
7045             "Quiescing I/O - ha=%p.\n", ha);
7046
7047         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
7048         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
7049                 atomic_set(&vha->loop_state, LOOP_DOWN);
7050                 qla2x00_mark_all_devices_lost(vha);
7051
7052                 spin_lock_irqsave(&ha->vport_slock, flags);
7053                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7054                         atomic_inc(&vp->vref_count);
7055                         spin_unlock_irqrestore(&ha->vport_slock, flags);
7056
7057                         qla2x00_mark_all_devices_lost(vp);
7058
7059                         spin_lock_irqsave(&ha->vport_slock, flags);
7060                         atomic_dec(&vp->vref_count);
7061                 }
7062                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7063         } else {
7064                 if (!atomic_read(&vha->loop_down_timer))
7065                         atomic_set(&vha->loop_down_timer,
7066                                         LOOP_DOWN_TIME);
7067         }
7068         /* Wait for pending cmds to complete */
7069         WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST)
7070                      != QLA_SUCCESS);
7071 }
7072
7073 void
7074 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
7075 {
7076         struct qla_hw_data *ha = vha->hw;
7077         struct scsi_qla_host *vp, *tvp;
7078         unsigned long flags;
7079         fc_port_t *fcport;
7080         u16 i;
7081
7082         /* For ISP82XX, driver waits for completion of the commands.
7083          * online flag should be set.
7084          */
7085         if (!(IS_P3P_TYPE(ha)))
7086                 vha->flags.online = 0;
7087         ha->flags.chip_reset_done = 0;
7088         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
7089         vha->qla_stats.total_isp_aborts++;
7090
7091         ql_log(ql_log_info, vha, 0x00af,
7092             "Performing ISP error recovery - ha=%p.\n", ha);
7093
7094         ha->flags.purge_mbox = 1;
7095         /* For ISP82XX, reset_chip is just disabling interrupts.
7096          * Driver waits for the completion of the commands.
7097          * the interrupts need to be enabled.
7098          */
7099         if (!(IS_P3P_TYPE(ha)))
7100                 ha->isp_ops->reset_chip(vha);
7101
7102         ha->link_data_rate = PORT_SPEED_UNKNOWN;
7103         SAVE_TOPO(ha);
7104         ha->flags.rida_fmt2 = 0;
7105         ha->flags.n2n_ae = 0;
7106         ha->flags.lip_ae = 0;
7107         ha->current_topology = 0;
7108         QLA_FW_STOPPED(ha);
7109         ha->flags.fw_init_done = 0;
7110         ha->chip_reset++;
7111         ha->base_qpair->chip_reset = ha->chip_reset;
7112         ha->base_qpair->cmd_cnt = ha->base_qpair->cmd_completion_cnt = 0;
7113         ha->base_qpair->prev_completion_cnt = 0;
7114         for (i = 0; i < ha->max_qpairs; i++) {
7115                 if (ha->queue_pair_map[i]) {
7116                         ha->queue_pair_map[i]->chip_reset =
7117                                 ha->base_qpair->chip_reset;
7118                         ha->queue_pair_map[i]->cmd_cnt =
7119                             ha->queue_pair_map[i]->cmd_completion_cnt = 0;
7120                         ha->base_qpair->prev_completion_cnt = 0;
7121                 }
7122         }
7123
7124         /* purge MBox commands */
7125         if (atomic_read(&ha->num_pend_mbx_stage3)) {
7126                 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
7127                 complete(&ha->mbx_intr_comp);
7128         }
7129
7130         i = 0;
7131         while (atomic_read(&ha->num_pend_mbx_stage3) ||
7132             atomic_read(&ha->num_pend_mbx_stage2) ||
7133             atomic_read(&ha->num_pend_mbx_stage1)) {
7134                 msleep(20);
7135                 i++;
7136                 if (i > 50)
7137                         break;
7138         }
7139         ha->flags.purge_mbox = 0;
7140
7141         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
7142         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
7143                 atomic_set(&vha->loop_state, LOOP_DOWN);
7144                 qla2x00_mark_all_devices_lost(vha);
7145
7146                 spin_lock_irqsave(&ha->vport_slock, flags);
7147                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7148                         atomic_inc(&vp->vref_count);
7149                         spin_unlock_irqrestore(&ha->vport_slock, flags);
7150
7151                         qla2x00_mark_all_devices_lost(vp);
7152
7153                         spin_lock_irqsave(&ha->vport_slock, flags);
7154                         atomic_dec(&vp->vref_count);
7155                 }
7156                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7157         } else {
7158                 if (!atomic_read(&vha->loop_down_timer))
7159                         atomic_set(&vha->loop_down_timer,
7160                             LOOP_DOWN_TIME);
7161         }
7162
7163         /* Clear all async request states across all VPs. */
7164         list_for_each_entry(fcport, &vha->vp_fcports, list) {
7165                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7166                 fcport->scan_state = 0;
7167         }
7168         spin_lock_irqsave(&ha->vport_slock, flags);
7169         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7170                 atomic_inc(&vp->vref_count);
7171                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7172
7173                 list_for_each_entry(fcport, &vp->vp_fcports, list)
7174                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7175
7176                 spin_lock_irqsave(&ha->vport_slock, flags);
7177                 atomic_dec(&vp->vref_count);
7178         }
7179         spin_unlock_irqrestore(&ha->vport_slock, flags);
7180
7181         /* Make sure for ISP 82XX IO DMA is complete */
7182         if (IS_P3P_TYPE(ha)) {
7183                 qla82xx_chip_reset_cleanup(vha);
7184                 ql_log(ql_log_info, vha, 0x00b4,
7185                        "Done chip reset cleanup.\n");
7186
7187                 /* Done waiting for pending commands. Reset online flag */
7188                 vha->flags.online = 0;
7189         }
7190
7191         /* Requeue all commands in outstanding command list. */
7192         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
7193         /* memory barrier */
7194         wmb();
7195 }
7196
7197 /*
7198 *  qla2x00_abort_isp
7199 *      Resets ISP and aborts all outstanding commands.
7200 *
7201 * Input:
7202 *      ha           = adapter block pointer.
7203 *
7204 * Returns:
7205 *      0 = success
7206 */
7207 int
7208 qla2x00_abort_isp(scsi_qla_host_t *vha)
7209 {
7210         int rval;
7211         uint8_t        status = 0;
7212         struct qla_hw_data *ha = vha->hw;
7213         struct scsi_qla_host *vp, *tvp;
7214         struct req_que *req = ha->req_q_map[0];
7215         unsigned long flags;
7216
7217         if (vha->flags.online) {
7218                 qla2x00_abort_isp_cleanup(vha);
7219
7220                 vha->dport_status |= DPORT_DIAG_CHIP_RESET_IN_PROGRESS;
7221                 vha->dport_status &= ~DPORT_DIAG_IN_PROGRESS;
7222
7223                 if (vha->hw->flags.port_isolated)
7224                         return status;
7225
7226                 if (qla2x00_isp_reg_stat(ha)) {
7227                         ql_log(ql_log_info, vha, 0x803f,
7228                                "ISP Abort - ISP reg disconnect, exiting.\n");
7229                         return status;
7230                 }
7231
7232                 if (test_and_clear_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags)) {
7233                         ha->flags.chip_reset_done = 1;
7234                         vha->flags.online = 1;
7235                         status = 0;
7236                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7237                         return status;
7238                 }
7239
7240                 if (IS_QLA8031(ha)) {
7241                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
7242                             "Clearing fcoe driver presence.\n");
7243                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
7244                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
7245                                     "Error while clearing DRV-Presence.\n");
7246                 }
7247
7248                 if (unlikely(pci_channel_offline(ha->pdev) &&
7249                     ha->flags.pci_channel_io_perm_failure)) {
7250                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7251                         status = 0;
7252                         return status;
7253                 }
7254
7255                 switch (vha->qlini_mode) {
7256                 case QLA2XXX_INI_MODE_DISABLED:
7257                         if (!qla_tgt_mode_enabled(vha))
7258                                 return 0;
7259                         break;
7260                 case QLA2XXX_INI_MODE_DUAL:
7261                         if (!qla_dual_mode_enabled(vha) &&
7262                             !qla_ini_mode_enabled(vha))
7263                                 return 0;
7264                         break;
7265                 case QLA2XXX_INI_MODE_ENABLED:
7266                 default:
7267                         break;
7268                 }
7269
7270                 ha->isp_ops->get_flash_version(vha, req->ring);
7271
7272                 if (qla2x00_isp_reg_stat(ha)) {
7273                         ql_log(ql_log_info, vha, 0x803f,
7274                                "ISP Abort - ISP reg disconnect pre nvram config, exiting.\n");
7275                         return status;
7276                 }
7277                 ha->isp_ops->nvram_config(vha);
7278
7279                 if (qla2x00_isp_reg_stat(ha)) {
7280                         ql_log(ql_log_info, vha, 0x803f,
7281                                "ISP Abort - ISP reg disconnect post nvmram config, exiting.\n");
7282                         return status;
7283                 }
7284                 if (!qla2x00_restart_isp(vha)) {
7285                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7286
7287                         if (!atomic_read(&vha->loop_down_timer)) {
7288                                 /*
7289                                  * Issue marker command only when we are going
7290                                  * to start the I/O .
7291                                  */
7292                                 vha->marker_needed = 1;
7293                         }
7294
7295                         vha->flags.online = 1;
7296
7297                         ha->isp_ops->enable_intrs(ha);
7298
7299                         ha->isp_abort_cnt = 0;
7300                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7301
7302                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
7303                                 qla2x00_get_fw_version(vha);
7304                         if (ha->fce) {
7305                                 ha->flags.fce_enabled = 1;
7306                                 memset(ha->fce, 0,
7307                                     fce_calc_size(ha->fce_bufs));
7308                                 rval = qla2x00_enable_fce_trace(vha,
7309                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
7310                                     &ha->fce_bufs);
7311                                 if (rval) {
7312                                         ql_log(ql_log_warn, vha, 0x8033,
7313                                             "Unable to reinitialize FCE "
7314                                             "(%d).\n", rval);
7315                                         ha->flags.fce_enabled = 0;
7316                                 }
7317                         }
7318
7319                         if (ha->eft) {
7320                                 memset(ha->eft, 0, EFT_SIZE);
7321                                 rval = qla2x00_enable_eft_trace(vha,
7322                                     ha->eft_dma, EFT_NUM_BUFFERS);
7323                                 if (rval) {
7324                                         ql_log(ql_log_warn, vha, 0x8034,
7325                                             "Unable to reinitialize EFT "
7326                                             "(%d).\n", rval);
7327                                 }
7328                         }
7329                 } else {        /* failed the ISP abort */
7330                         vha->flags.online = 1;
7331                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
7332                                 if (ha->isp_abort_cnt == 0) {
7333                                         ql_log(ql_log_fatal, vha, 0x8035,
7334                                             "ISP error recover failed - "
7335                                             "board disabled.\n");
7336                                         /*
7337                                          * The next call disables the board
7338                                          * completely.
7339                                          */
7340                                         qla2x00_abort_isp_cleanup(vha);
7341                                         vha->flags.online = 0;
7342                                         clear_bit(ISP_ABORT_RETRY,
7343                                             &vha->dpc_flags);
7344                                         status = 0;
7345                                 } else { /* schedule another ISP abort */
7346                                         ha->isp_abort_cnt--;
7347                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
7348                                             "ISP abort - retry remaining %d.\n",
7349                                             ha->isp_abort_cnt);
7350                                         status = 1;
7351                                 }
7352                         } else {
7353                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
7354                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
7355                                     "ISP error recovery - retrying (%d) "
7356                                     "more times.\n", ha->isp_abort_cnt);
7357                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7358                                 status = 1;
7359                         }
7360                 }
7361
7362         }
7363
7364         if (vha->hw->flags.port_isolated) {
7365                 qla2x00_abort_isp_cleanup(vha);
7366                 return status;
7367         }
7368
7369         if (!status) {
7370                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
7371                 qla2x00_configure_hba(vha);
7372                 spin_lock_irqsave(&ha->vport_slock, flags);
7373                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7374                         if (vp->vp_idx) {
7375                                 atomic_inc(&vp->vref_count);
7376                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7377
7378                                 qla2x00_vp_abort_isp(vp);
7379
7380                                 spin_lock_irqsave(&ha->vport_slock, flags);
7381                                 atomic_dec(&vp->vref_count);
7382                         }
7383                 }
7384                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7385
7386                 if (IS_QLA8031(ha)) {
7387                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
7388                             "Setting back fcoe driver presence.\n");
7389                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
7390                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
7391                                     "Error while setting DRV-Presence.\n");
7392                 }
7393         } else {
7394                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
7395                        __func__);
7396         }
7397
7398         return(status);
7399 }
7400
7401 /*
7402 *  qla2x00_restart_isp
7403 *      restarts the ISP after a reset
7404 *
7405 * Input:
7406 *      ha = adapter block pointer.
7407 *
7408 * Returns:
7409 *      0 = success
7410 */
7411 static int
7412 qla2x00_restart_isp(scsi_qla_host_t *vha)
7413 {
7414         int status;
7415         struct qla_hw_data *ha = vha->hw;
7416
7417         /* If firmware needs to be loaded */
7418         if (qla2x00_isp_firmware(vha)) {
7419                 vha->flags.online = 0;
7420                 status = ha->isp_ops->chip_diag(vha);
7421                 if (status)
7422                         return status;
7423                 status = qla2x00_setup_chip(vha);
7424                 if (status)
7425                         return status;
7426         }
7427
7428         status = qla2x00_init_rings(vha);
7429         if (status)
7430                 return status;
7431
7432         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7433         ha->flags.chip_reset_done = 1;
7434
7435         /* Initialize the queues in use */
7436         qla25xx_init_queues(ha);
7437
7438         status = qla2x00_fw_ready(vha);
7439         if (status) {
7440                 /* if no cable then assume it's good */
7441                 return vha->device_flags & DFLG_NO_CABLE ? 0 : status;
7442         }
7443
7444         /* Issue a marker after FW becomes ready. */
7445         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
7446         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7447
7448         return 0;
7449 }
7450
7451 static int
7452 qla25xx_init_queues(struct qla_hw_data *ha)
7453 {
7454         struct rsp_que *rsp = NULL;
7455         struct req_que *req = NULL;
7456         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7457         int ret = -1;
7458         int i;
7459
7460         for (i = 1; i < ha->max_rsp_queues; i++) {
7461                 rsp = ha->rsp_q_map[i];
7462                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
7463                         rsp->options &= ~BIT_0;
7464                         ret = qla25xx_init_rsp_que(base_vha, rsp);
7465                         if (ret != QLA_SUCCESS)
7466                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
7467                                     "%s Rsp que: %d init failed.\n",
7468                                     __func__, rsp->id);
7469                         else
7470                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
7471                                     "%s Rsp que: %d inited.\n",
7472                                     __func__, rsp->id);
7473                 }
7474         }
7475         for (i = 1; i < ha->max_req_queues; i++) {
7476                 req = ha->req_q_map[i];
7477                 if (req && test_bit(i, ha->req_qid_map)) {
7478                         /* Clear outstanding commands array. */
7479                         req->options &= ~BIT_0;
7480                         ret = qla25xx_init_req_que(base_vha, req);
7481                         if (ret != QLA_SUCCESS)
7482                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
7483                                     "%s Req que: %d init failed.\n",
7484                                     __func__, req->id);
7485                         else
7486                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
7487                                     "%s Req que: %d inited.\n",
7488                                     __func__, req->id);
7489                 }
7490         }
7491         return ret;
7492 }
7493
7494 /*
7495 * qla2x00_reset_adapter
7496 *      Reset adapter.
7497 *
7498 * Input:
7499 *      ha = adapter block pointer.
7500 */
7501 int
7502 qla2x00_reset_adapter(scsi_qla_host_t *vha)
7503 {
7504         unsigned long flags = 0;
7505         struct qla_hw_data *ha = vha->hw;
7506         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7507
7508         vha->flags.online = 0;
7509         ha->isp_ops->disable_intrs(ha);
7510
7511         spin_lock_irqsave(&ha->hardware_lock, flags);
7512         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
7513         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7514         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
7515         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7516         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7517
7518         return QLA_SUCCESS;
7519 }
7520
7521 int
7522 qla24xx_reset_adapter(scsi_qla_host_t *vha)
7523 {
7524         unsigned long flags = 0;
7525         struct qla_hw_data *ha = vha->hw;
7526         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
7527
7528         if (IS_P3P_TYPE(ha))
7529                 return QLA_SUCCESS;
7530
7531         vha->flags.online = 0;
7532         ha->isp_ops->disable_intrs(ha);
7533
7534         spin_lock_irqsave(&ha->hardware_lock, flags);
7535         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
7536         rd_reg_dword(&reg->hccr);
7537         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
7538         rd_reg_dword(&reg->hccr);
7539         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7540
7541         if (IS_NOPOLLING_TYPE(ha))
7542                 ha->isp_ops->enable_intrs(ha);
7543
7544         return QLA_SUCCESS;
7545 }
7546
7547 /* On sparc systems, obtain port and node WWN from firmware
7548  * properties.
7549  */
7550 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
7551         struct nvram_24xx *nv)
7552 {
7553 #ifdef CONFIG_SPARC
7554         struct qla_hw_data *ha = vha->hw;
7555         struct pci_dev *pdev = ha->pdev;
7556         struct device_node *dp = pci_device_to_OF_node(pdev);
7557         const u8 *val;
7558         int len;
7559
7560         val = of_get_property(dp, "port-wwn", &len);
7561         if (val && len >= WWN_SIZE)
7562                 memcpy(nv->port_name, val, WWN_SIZE);
7563
7564         val = of_get_property(dp, "node-wwn", &len);
7565         if (val && len >= WWN_SIZE)
7566                 memcpy(nv->node_name, val, WWN_SIZE);
7567 #endif
7568 }
7569
7570 int
7571 qla24xx_nvram_config(scsi_qla_host_t *vha)
7572 {
7573         int   rval;
7574         struct init_cb_24xx *icb;
7575         struct nvram_24xx *nv;
7576         __le32 *dptr;
7577         uint8_t  *dptr1, *dptr2;
7578         uint32_t chksum;
7579         uint16_t cnt;
7580         struct qla_hw_data *ha = vha->hw;
7581
7582         rval = QLA_SUCCESS;
7583         icb = (struct init_cb_24xx *)ha->init_cb;
7584         nv = ha->nvram;
7585
7586         /* Determine NVRAM starting address. */
7587         if (ha->port_no == 0) {
7588                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
7589                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
7590         } else {
7591                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7592                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
7593         }
7594
7595         ha->nvram_size = sizeof(*nv);
7596         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7597
7598         /* Get VPD data into cache */
7599         ha->vpd = ha->nvram + VPD_OFFSET;
7600         ha->isp_ops->read_nvram(vha, ha->vpd,
7601             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
7602
7603         /* Get NVRAM data into cache and calculate checksum. */
7604         dptr = (__force __le32 *)nv;
7605         ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size);
7606         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7607                 chksum += le32_to_cpu(*dptr);
7608
7609         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
7610             "Contents of NVRAM\n");
7611         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7612             nv, ha->nvram_size);
7613
7614         /* Bad NVRAM data, set defaults parameters. */
7615         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
7616             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
7617                 /* Reset NVRAM data. */
7618                 ql_log(ql_log_warn, vha, 0x006b,
7619                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
7620                     chksum, nv->id, nv->nvram_version);
7621                 ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv));
7622                 ql_log(ql_log_warn, vha, 0x006c,
7623                     "Falling back to functioning (yet invalid -- WWPN) "
7624                     "defaults.\n");
7625
7626                 /*
7627                  * Set default initialization control block.
7628                  */
7629                 memset(nv, 0, ha->nvram_size);
7630                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7631                 nv->version = cpu_to_le16(ICB_VERSION);
7632                 nv->frame_payload_size = cpu_to_le16(2048);
7633                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7634                 nv->exchange_count = cpu_to_le16(0);
7635                 nv->hard_address = cpu_to_le16(124);
7636                 nv->port_name[0] = 0x21;
7637                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7638                 nv->port_name[2] = 0x00;
7639                 nv->port_name[3] = 0xe0;
7640                 nv->port_name[4] = 0x8b;
7641                 nv->port_name[5] = 0x1c;
7642                 nv->port_name[6] = 0x55;
7643                 nv->port_name[7] = 0x86;
7644                 nv->node_name[0] = 0x20;
7645                 nv->node_name[1] = 0x00;
7646                 nv->node_name[2] = 0x00;
7647                 nv->node_name[3] = 0xe0;
7648                 nv->node_name[4] = 0x8b;
7649                 nv->node_name[5] = 0x1c;
7650                 nv->node_name[6] = 0x55;
7651                 nv->node_name[7] = 0x86;
7652                 qla24xx_nvram_wwn_from_ofw(vha, nv);
7653                 nv->login_retry_count = cpu_to_le16(8);
7654                 nv->interrupt_delay_timer = cpu_to_le16(0);
7655                 nv->login_timeout = cpu_to_le16(0);
7656                 nv->firmware_options_1 =
7657                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7658                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7659                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7660                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7661                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7662                 nv->efi_parameters = cpu_to_le32(0);
7663                 nv->reset_delay = 5;
7664                 nv->max_luns_per_target = cpu_to_le16(128);
7665                 nv->port_down_retry_count = cpu_to_le16(30);
7666                 nv->link_down_timeout = cpu_to_le16(30);
7667
7668                 rval = 1;
7669         }
7670
7671         if (qla_tgt_mode_enabled(vha)) {
7672                 /* Don't enable full login after initial LIP */
7673                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7674                 /* Don't enable LIP full login for initiator */
7675                 nv->host_p &= cpu_to_le32(~BIT_10);
7676         }
7677
7678         qlt_24xx_config_nvram_stage1(vha, nv);
7679
7680         /* Reset Initialization control block */
7681         memset(icb, 0, ha->init_cb_size);
7682
7683         /* Copy 1st segment. */
7684         dptr1 = (uint8_t *)icb;
7685         dptr2 = (uint8_t *)&nv->version;
7686         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7687         while (cnt--)
7688                 *dptr1++ = *dptr2++;
7689
7690         icb->login_retry_count = nv->login_retry_count;
7691         icb->link_down_on_nos = nv->link_down_on_nos;
7692
7693         /* Copy 2nd segment. */
7694         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7695         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7696         cnt = (uint8_t *)&icb->reserved_3 -
7697             (uint8_t *)&icb->interrupt_delay_timer;
7698         while (cnt--)
7699                 *dptr1++ = *dptr2++;
7700         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7701         /*
7702          * Setup driver NVRAM options.
7703          */
7704         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7705             "QLA2462");
7706
7707         qlt_24xx_config_nvram_stage2(vha, icb);
7708
7709         if (nv->host_p & cpu_to_le32(BIT_15)) {
7710                 /* Use alternate WWN? */
7711                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7712                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7713         }
7714
7715         /* Prepare nodename */
7716         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7717                 /*
7718                  * Firmware will apply the following mask if the nodename was
7719                  * not provided.
7720                  */
7721                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7722                 icb->node_name[0] &= 0xF0;
7723         }
7724
7725         /* Set host adapter parameters. */
7726         ha->flags.disable_risc_code_load = 0;
7727         ha->flags.enable_lip_reset = 0;
7728         ha->flags.enable_lip_full_login =
7729             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
7730         ha->flags.enable_target_reset =
7731             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
7732         ha->flags.enable_led_scheme = 0;
7733         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
7734
7735         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7736             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7737
7738         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
7739             sizeof(ha->fw_seriallink_options24));
7740
7741         /* save HBA serial number */
7742         ha->serial0 = icb->port_name[5];
7743         ha->serial1 = icb->port_name[6];
7744         ha->serial2 = icb->port_name[7];
7745         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7746         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7747
7748         icb->execution_throttle = cpu_to_le16(0xFFFF);
7749
7750         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7751
7752         /* Set minimum login_timeout to 4 seconds. */
7753         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7754                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7755         if (le16_to_cpu(nv->login_timeout) < 4)
7756                 nv->login_timeout = cpu_to_le16(4);
7757         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7758
7759         /* Set minimum RATOV to 100 tenths of a second. */
7760         ha->r_a_tov = 100;
7761
7762         ha->loop_reset_delay = nv->reset_delay;
7763
7764         /* Link Down Timeout = 0:
7765          *
7766          *      When Port Down timer expires we will start returning
7767          *      I/O's to OS with "DID_NO_CONNECT".
7768          *
7769          * Link Down Timeout != 0:
7770          *
7771          *       The driver waits for the link to come up after link down
7772          *       before returning I/Os to OS with "DID_NO_CONNECT".
7773          */
7774         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7775                 ha->loop_down_abort_time =
7776                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7777         } else {
7778                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7779                 ha->loop_down_abort_time =
7780                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7781         }
7782
7783         /* Need enough time to try and get the port back. */
7784         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7785         if (qlport_down_retry)
7786                 ha->port_down_retry_count = qlport_down_retry;
7787
7788         /* Set login_retry_count */
7789         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
7790         if (ha->port_down_retry_count ==
7791             le16_to_cpu(nv->port_down_retry_count) &&
7792             ha->port_down_retry_count > 3)
7793                 ha->login_retry_count = ha->port_down_retry_count;
7794         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7795                 ha->login_retry_count = ha->port_down_retry_count;
7796         if (ql2xloginretrycount)
7797                 ha->login_retry_count = ql2xloginretrycount;
7798
7799         /* N2N: driver will initiate Login instead of FW */
7800         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
7801
7802         /* Enable ZIO. */
7803         if (!vha->flags.init_done) {
7804                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7805                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7806                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7807                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
7808         }
7809         icb->firmware_options_2 &= cpu_to_le32(
7810             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7811         if (ha->zio_mode != QLA_ZIO_DISABLED) {
7812                 ha->zio_mode = QLA_ZIO_MODE_6;
7813
7814                 ql_log(ql_log_info, vha, 0x006f,
7815                     "ZIO mode %d enabled; timer delay (%d us).\n",
7816                     ha->zio_mode, ha->zio_timer * 100);
7817
7818                 icb->firmware_options_2 |= cpu_to_le32(
7819                     (uint32_t)ha->zio_mode);
7820                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7821         }
7822
7823         if (rval) {
7824                 ql_log(ql_log_warn, vha, 0x0070,
7825                     "NVRAM configuration failed.\n");
7826         }
7827         return (rval);
7828 }
7829
7830 static void
7831 qla27xx_print_image(struct scsi_qla_host *vha, char *name,
7832     struct qla27xx_image_status *image_status)
7833 {
7834         ql_dbg(ql_dbg_init, vha, 0x018b,
7835             "%s %s: mask=%#02x gen=%#04x ver=%u.%u map=%#01x sum=%#08x sig=%#08x\n",
7836             name, "status",
7837             image_status->image_status_mask,
7838             le16_to_cpu(image_status->generation),
7839             image_status->ver_major,
7840             image_status->ver_minor,
7841             image_status->bitmap,
7842             le32_to_cpu(image_status->checksum),
7843             le32_to_cpu(image_status->signature));
7844 }
7845
7846 static bool
7847 qla28xx_check_aux_image_status_signature(
7848     struct qla27xx_image_status *image_status)
7849 {
7850         ulong signature = le32_to_cpu(image_status->signature);
7851
7852         return signature != QLA28XX_AUX_IMG_STATUS_SIGN;
7853 }
7854
7855 static bool
7856 qla27xx_check_image_status_signature(struct qla27xx_image_status *image_status)
7857 {
7858         ulong signature = le32_to_cpu(image_status->signature);
7859
7860         return
7861             signature != QLA27XX_IMG_STATUS_SIGN &&
7862             signature != QLA28XX_IMG_STATUS_SIGN;
7863 }
7864
7865 static ulong
7866 qla27xx_image_status_checksum(struct qla27xx_image_status *image_status)
7867 {
7868         __le32 *p = (__force __le32 *)image_status;
7869         uint n = sizeof(*image_status) / sizeof(*p);
7870         uint32_t sum = 0;
7871
7872         for ( ; n--; p++)
7873                 sum += le32_to_cpup(p);
7874
7875         return sum;
7876 }
7877
7878 static inline uint
7879 qla28xx_component_bitmask(struct qla27xx_image_status *aux, uint bitmask)
7880 {
7881         return aux->bitmap & bitmask ?
7882             QLA27XX_SECONDARY_IMAGE : QLA27XX_PRIMARY_IMAGE;
7883 }
7884
7885 static void
7886 qla28xx_component_status(
7887     struct active_regions *active_regions, struct qla27xx_image_status *aux)
7888 {
7889         active_regions->aux.board_config =
7890             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_BOARD_CONFIG);
7891
7892         active_regions->aux.vpd_nvram =
7893             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_VPD_NVRAM);
7894
7895         active_regions->aux.npiv_config_0_1 =
7896             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_0_1);
7897
7898         active_regions->aux.npiv_config_2_3 =
7899             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_2_3);
7900
7901         active_regions->aux.nvme_params =
7902             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NVME_PARAMS);
7903 }
7904
7905 static int
7906 qla27xx_compare_image_generation(
7907     struct qla27xx_image_status *pri_image_status,
7908     struct qla27xx_image_status *sec_image_status)
7909 {
7910         /* calculate generation delta as uint16 (this accounts for wrap) */
7911         int16_t delta =
7912             le16_to_cpu(pri_image_status->generation) -
7913             le16_to_cpu(sec_image_status->generation);
7914
7915         ql_dbg(ql_dbg_init, NULL, 0x0180, "generation delta = %d\n", delta);
7916
7917         return delta;
7918 }
7919
7920 void
7921 qla28xx_get_aux_images(
7922         struct scsi_qla_host *vha, struct active_regions *active_regions)
7923 {
7924         struct qla_hw_data *ha = vha->hw;
7925         struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status;
7926         bool valid_pri_image = false, valid_sec_image = false;
7927         bool active_pri_image = false, active_sec_image = false;
7928
7929         if (!ha->flt_region_aux_img_status_pri) {
7930                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n");
7931                 goto check_sec_image;
7932         }
7933
7934         qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status,
7935             ha->flt_region_aux_img_status_pri,
7936             sizeof(pri_aux_image_status) >> 2);
7937         qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status);
7938
7939         if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) {
7940                 ql_dbg(ql_dbg_init, vha, 0x018b,
7941                     "Primary aux image signature (%#x) not valid\n",
7942                     le32_to_cpu(pri_aux_image_status.signature));
7943                 goto check_sec_image;
7944         }
7945
7946         if (qla27xx_image_status_checksum(&pri_aux_image_status)) {
7947                 ql_dbg(ql_dbg_init, vha, 0x018c,
7948                     "Primary aux image checksum failed\n");
7949                 goto check_sec_image;
7950         }
7951
7952         valid_pri_image = true;
7953
7954         if (pri_aux_image_status.image_status_mask & 1) {
7955                 ql_dbg(ql_dbg_init, vha, 0x018d,
7956                     "Primary aux image is active\n");
7957                 active_pri_image = true;
7958         }
7959
7960 check_sec_image:
7961         if (!ha->flt_region_aux_img_status_sec) {
7962                 ql_dbg(ql_dbg_init, vha, 0x018a,
7963                     "Secondary aux image not addressed\n");
7964                 goto check_valid_image;
7965         }
7966
7967         qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status,
7968             ha->flt_region_aux_img_status_sec,
7969             sizeof(sec_aux_image_status) >> 2);
7970         qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status);
7971
7972         if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) {
7973                 ql_dbg(ql_dbg_init, vha, 0x018b,
7974                     "Secondary aux image signature (%#x) not valid\n",
7975                     le32_to_cpu(sec_aux_image_status.signature));
7976                 goto check_valid_image;
7977         }
7978
7979         if (qla27xx_image_status_checksum(&sec_aux_image_status)) {
7980                 ql_dbg(ql_dbg_init, vha, 0x018c,
7981                     "Secondary aux image checksum failed\n");
7982                 goto check_valid_image;
7983         }
7984
7985         valid_sec_image = true;
7986
7987         if (sec_aux_image_status.image_status_mask & 1) {
7988                 ql_dbg(ql_dbg_init, vha, 0x018d,
7989                     "Secondary aux image is active\n");
7990                 active_sec_image = true;
7991         }
7992
7993 check_valid_image:
7994         if (valid_pri_image && active_pri_image &&
7995             valid_sec_image && active_sec_image) {
7996                 if (qla27xx_compare_image_generation(&pri_aux_image_status,
7997                     &sec_aux_image_status) >= 0) {
7998                         qla28xx_component_status(active_regions,
7999                             &pri_aux_image_status);
8000                 } else {
8001                         qla28xx_component_status(active_regions,
8002                             &sec_aux_image_status);
8003                 }
8004         } else if (valid_pri_image && active_pri_image) {
8005                 qla28xx_component_status(active_regions, &pri_aux_image_status);
8006         } else if (valid_sec_image && active_sec_image) {
8007                 qla28xx_component_status(active_regions, &sec_aux_image_status);
8008         }
8009
8010         ql_dbg(ql_dbg_init, vha, 0x018f,
8011             "aux images active: BCFG=%u VPD/NVR=%u NPIV0/1=%u NPIV2/3=%u, NVME=%u\n",
8012             active_regions->aux.board_config,
8013             active_regions->aux.vpd_nvram,
8014             active_regions->aux.npiv_config_0_1,
8015             active_regions->aux.npiv_config_2_3,
8016             active_regions->aux.nvme_params);
8017 }
8018
8019 void
8020 qla27xx_get_active_image(struct scsi_qla_host *vha,
8021     struct active_regions *active_regions)
8022 {
8023         struct qla_hw_data *ha = vha->hw;
8024         struct qla27xx_image_status pri_image_status, sec_image_status;
8025         bool valid_pri_image = false, valid_sec_image = false;
8026         bool active_pri_image = false, active_sec_image = false;
8027
8028         if (!ha->flt_region_img_status_pri) {
8029                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n");
8030                 goto check_sec_image;
8031         }
8032
8033         if (qla24xx_read_flash_data(vha, (uint32_t *)&pri_image_status,
8034             ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) !=
8035             QLA_SUCCESS) {
8036                 WARN_ON_ONCE(true);
8037                 goto check_sec_image;
8038         }
8039         qla27xx_print_image(vha, "Primary image", &pri_image_status);
8040
8041         if (qla27xx_check_image_status_signature(&pri_image_status)) {
8042                 ql_dbg(ql_dbg_init, vha, 0x018b,
8043                     "Primary image signature (%#x) not valid\n",
8044                     le32_to_cpu(pri_image_status.signature));
8045                 goto check_sec_image;
8046         }
8047
8048         if (qla27xx_image_status_checksum(&pri_image_status)) {
8049                 ql_dbg(ql_dbg_init, vha, 0x018c,
8050                     "Primary image checksum failed\n");
8051                 goto check_sec_image;
8052         }
8053
8054         valid_pri_image = true;
8055
8056         if (pri_image_status.image_status_mask & 1) {
8057                 ql_dbg(ql_dbg_init, vha, 0x018d,
8058                     "Primary image is active\n");
8059                 active_pri_image = true;
8060         }
8061
8062 check_sec_image:
8063         if (!ha->flt_region_img_status_sec) {
8064                 ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n");
8065                 goto check_valid_image;
8066         }
8067
8068         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
8069             ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2);
8070         qla27xx_print_image(vha, "Secondary image", &sec_image_status);
8071
8072         if (qla27xx_check_image_status_signature(&sec_image_status)) {
8073                 ql_dbg(ql_dbg_init, vha, 0x018b,
8074                     "Secondary image signature (%#x) not valid\n",
8075                     le32_to_cpu(sec_image_status.signature));
8076                 goto check_valid_image;
8077         }
8078
8079         if (qla27xx_image_status_checksum(&sec_image_status)) {
8080                 ql_dbg(ql_dbg_init, vha, 0x018c,
8081                     "Secondary image checksum failed\n");
8082                 goto check_valid_image;
8083         }
8084
8085         valid_sec_image = true;
8086
8087         if (sec_image_status.image_status_mask & 1) {
8088                 ql_dbg(ql_dbg_init, vha, 0x018d,
8089                     "Secondary image is active\n");
8090                 active_sec_image = true;
8091         }
8092
8093 check_valid_image:
8094         if (valid_pri_image && active_pri_image)
8095                 active_regions->global = QLA27XX_PRIMARY_IMAGE;
8096
8097         if (valid_sec_image && active_sec_image) {
8098                 if (!active_regions->global ||
8099                     qla27xx_compare_image_generation(
8100                         &pri_image_status, &sec_image_status) < 0) {
8101                         active_regions->global = QLA27XX_SECONDARY_IMAGE;
8102                 }
8103         }
8104
8105         ql_dbg(ql_dbg_init, vha, 0x018f, "active image %s (%u)\n",
8106             active_regions->global == QLA27XX_DEFAULT_IMAGE ?
8107                 "default (boot/fw)" :
8108             active_regions->global == QLA27XX_PRIMARY_IMAGE ?
8109                 "primary" :
8110             active_regions->global == QLA27XX_SECONDARY_IMAGE ?
8111                 "secondary" : "invalid",
8112             active_regions->global);
8113 }
8114
8115 bool qla24xx_risc_firmware_invalid(uint32_t *dword)
8116 {
8117         return
8118             !(dword[4] | dword[5] | dword[6] | dword[7]) ||
8119             !(~dword[4] | ~dword[5] | ~dword[6] | ~dword[7]);
8120 }
8121
8122 static int
8123 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
8124     uint32_t faddr)
8125 {
8126         int rval;
8127         uint templates, segments, fragment;
8128         ulong i;
8129         uint j;
8130         ulong dlen;
8131         uint32_t *dcode;
8132         uint32_t risc_addr, risc_size, risc_attr = 0;
8133         struct qla_hw_data *ha = vha->hw;
8134         struct req_que *req = ha->req_q_map[0];
8135         struct fwdt *fwdt = ha->fwdt;
8136
8137         ql_dbg(ql_dbg_init, vha, 0x008b,
8138             "FW: Loading firmware from flash (%x).\n", faddr);
8139
8140         dcode = (uint32_t *)req->ring;
8141         qla24xx_read_flash_data(vha, dcode, faddr, 8);
8142         if (qla24xx_risc_firmware_invalid(dcode)) {
8143                 ql_log(ql_log_fatal, vha, 0x008c,
8144                     "Unable to verify the integrity of flash firmware "
8145                     "image.\n");
8146                 ql_log(ql_log_fatal, vha, 0x008d,
8147                     "Firmware data: %08x %08x %08x %08x.\n",
8148                     dcode[0], dcode[1], dcode[2], dcode[3]);
8149
8150                 return QLA_FUNCTION_FAILED;
8151         }
8152
8153         dcode = (uint32_t *)req->ring;
8154         *srisc_addr = 0;
8155         segments = FA_RISC_CODE_SEGMENTS;
8156         for (j = 0; j < segments; j++) {
8157                 ql_dbg(ql_dbg_init, vha, 0x008d,
8158                     "-> Loading segment %u...\n", j);
8159                 qla24xx_read_flash_data(vha, dcode, faddr, 10);
8160                 risc_addr = be32_to_cpu((__force __be32)dcode[2]);
8161                 risc_size = be32_to_cpu((__force __be32)dcode[3]);
8162                 if (!*srisc_addr) {
8163                         *srisc_addr = risc_addr;
8164                         risc_attr = be32_to_cpu((__force __be32)dcode[9]);
8165                 }
8166
8167                 dlen = ha->fw_transfer_size >> 2;
8168                 for (fragment = 0; risc_size; fragment++) {
8169                         if (dlen > risc_size)
8170                                 dlen = risc_size;
8171
8172                         ql_dbg(ql_dbg_init, vha, 0x008e,
8173                             "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n",
8174                             fragment, risc_addr, faddr, dlen);
8175                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
8176                         for (i = 0; i < dlen; i++)
8177                                 dcode[i] = swab32(dcode[i]);
8178
8179                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8180                         if (rval) {
8181                                 ql_log(ql_log_fatal, vha, 0x008f,
8182                                     "-> Failed load firmware fragment %u.\n",
8183                                     fragment);
8184                                 return QLA_FUNCTION_FAILED;
8185                         }
8186
8187                         faddr += dlen;
8188                         risc_addr += dlen;
8189                         risc_size -= dlen;
8190                 }
8191         }
8192
8193         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8194                 return QLA_SUCCESS;
8195
8196         templates = (risc_attr & BIT_9) ? 2 : 1;
8197         ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates);
8198         for (j = 0; j < templates; j++, fwdt++) {
8199                 vfree(fwdt->template);
8200                 fwdt->template = NULL;
8201                 fwdt->length = 0;
8202
8203                 dcode = (uint32_t *)req->ring;
8204                 qla24xx_read_flash_data(vha, dcode, faddr, 7);
8205                 risc_size = be32_to_cpu((__force __be32)dcode[2]);
8206                 ql_dbg(ql_dbg_init, vha, 0x0161,
8207                     "-> fwdt%u template array at %#x (%#x dwords)\n",
8208                     j, faddr, risc_size);
8209                 if (!risc_size || !~risc_size) {
8210                         ql_dbg(ql_dbg_init, vha, 0x0162,
8211                             "-> fwdt%u failed to read array\n", j);
8212                         goto failed;
8213                 }
8214
8215                 /* skip header and ignore checksum */
8216                 faddr += 7;
8217                 risc_size -= 8;
8218
8219                 ql_dbg(ql_dbg_init, vha, 0x0163,
8220                     "-> fwdt%u template allocate template %#x words...\n",
8221                     j, risc_size);
8222                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
8223                 if (!fwdt->template) {
8224                         ql_log(ql_log_warn, vha, 0x0164,
8225                             "-> fwdt%u failed allocate template.\n", j);
8226                         goto failed;
8227                 }
8228
8229                 dcode = fwdt->template;
8230                 qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
8231
8232                 if (!qla27xx_fwdt_template_valid(dcode)) {
8233                         ql_log(ql_log_warn, vha, 0x0165,
8234                             "-> fwdt%u failed template validate\n", j);
8235                         goto failed;
8236                 }
8237
8238                 dlen = qla27xx_fwdt_template_size(dcode);
8239                 ql_dbg(ql_dbg_init, vha, 0x0166,
8240                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8241                     j, dlen, dlen / sizeof(*dcode));
8242                 if (dlen > risc_size * sizeof(*dcode)) {
8243                         ql_log(ql_log_warn, vha, 0x0167,
8244                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
8245                             j, dlen - risc_size * sizeof(*dcode));
8246                         goto failed;
8247                 }
8248
8249                 fwdt->length = dlen;
8250                 ql_dbg(ql_dbg_init, vha, 0x0168,
8251                     "-> fwdt%u loaded template ok\n", j);
8252
8253                 faddr += risc_size + 1;
8254         }
8255
8256         return QLA_SUCCESS;
8257
8258 failed:
8259         vfree(fwdt->template);
8260         fwdt->template = NULL;
8261         fwdt->length = 0;
8262
8263         return QLA_SUCCESS;
8264 }
8265
8266 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
8267
8268 int
8269 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8270 {
8271         int     rval;
8272         int     i, fragment;
8273         uint16_t *wcode;
8274         __be16   *fwcode;
8275         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
8276         struct fw_blob *blob;
8277         struct qla_hw_data *ha = vha->hw;
8278         struct req_que *req = ha->req_q_map[0];
8279
8280         /* Load firmware blob. */
8281         blob = qla2x00_request_firmware(vha);
8282         if (!blob) {
8283                 ql_log(ql_log_info, vha, 0x0083,
8284                     "Firmware image unavailable.\n");
8285                 ql_log(ql_log_info, vha, 0x0084,
8286                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
8287                 return QLA_FUNCTION_FAILED;
8288         }
8289
8290         rval = QLA_SUCCESS;
8291
8292         wcode = (uint16_t *)req->ring;
8293         *srisc_addr = 0;
8294         fwcode = (__force __be16 *)blob->fw->data;
8295         fwclen = 0;
8296
8297         /* Validate firmware image by checking version. */
8298         if (blob->fw->size < 8 * sizeof(uint16_t)) {
8299                 ql_log(ql_log_fatal, vha, 0x0085,
8300                     "Unable to verify integrity of firmware image (%zd).\n",
8301                     blob->fw->size);
8302                 goto fail_fw_integrity;
8303         }
8304         for (i = 0; i < 4; i++)
8305                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
8306         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
8307             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
8308                 wcode[2] == 0 && wcode[3] == 0)) {
8309                 ql_log(ql_log_fatal, vha, 0x0086,
8310                     "Unable to verify integrity of firmware image.\n");
8311                 ql_log(ql_log_fatal, vha, 0x0087,
8312                     "Firmware data: %04x %04x %04x %04x.\n",
8313                     wcode[0], wcode[1], wcode[2], wcode[3]);
8314                 goto fail_fw_integrity;
8315         }
8316
8317         seg = blob->segs;
8318         while (*seg && rval == QLA_SUCCESS) {
8319                 risc_addr = *seg;
8320                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
8321                 risc_size = be16_to_cpu(fwcode[3]);
8322
8323                 /* Validate firmware image size. */
8324                 fwclen += risc_size * sizeof(uint16_t);
8325                 if (blob->fw->size < fwclen) {
8326                         ql_log(ql_log_fatal, vha, 0x0088,
8327                             "Unable to verify integrity of firmware image "
8328                             "(%zd).\n", blob->fw->size);
8329                         goto fail_fw_integrity;
8330                 }
8331
8332                 fragment = 0;
8333                 while (risc_size > 0 && rval == QLA_SUCCESS) {
8334                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
8335                         if (wlen > risc_size)
8336                                 wlen = risc_size;
8337                         ql_dbg(ql_dbg_init, vha, 0x0089,
8338                             "Loading risc segment@ risc addr %x number of "
8339                             "words 0x%x.\n", risc_addr, wlen);
8340
8341                         for (i = 0; i < wlen; i++)
8342                                 wcode[i] = swab16((__force u32)fwcode[i]);
8343
8344                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
8345                             wlen);
8346                         if (rval) {
8347                                 ql_log(ql_log_fatal, vha, 0x008a,
8348                                     "Failed to load segment %d of firmware.\n",
8349                                     fragment);
8350                                 break;
8351                         }
8352
8353                         fwcode += wlen;
8354                         risc_addr += wlen;
8355                         risc_size -= wlen;
8356                         fragment++;
8357                 }
8358
8359                 /* Next segment. */
8360                 seg++;
8361         }
8362         return rval;
8363
8364 fail_fw_integrity:
8365         return QLA_FUNCTION_FAILED;
8366 }
8367
8368 static int
8369 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8370 {
8371         int     rval;
8372         uint templates, segments, fragment;
8373         uint32_t *dcode;
8374         ulong dlen;
8375         uint32_t risc_addr, risc_size, risc_attr = 0;
8376         ulong i;
8377         uint j;
8378         struct fw_blob *blob;
8379         __be32 *fwcode;
8380         struct qla_hw_data *ha = vha->hw;
8381         struct req_que *req = ha->req_q_map[0];
8382         struct fwdt *fwdt = ha->fwdt;
8383
8384         ql_dbg(ql_dbg_init, vha, 0x0090,
8385             "-> FW: Loading via request-firmware.\n");
8386
8387         blob = qla2x00_request_firmware(vha);
8388         if (!blob) {
8389                 ql_log(ql_log_warn, vha, 0x0092,
8390                     "-> Firmware file not found.\n");
8391
8392                 return QLA_FUNCTION_FAILED;
8393         }
8394
8395         fwcode = (__force __be32 *)blob->fw->data;
8396         dcode = (__force uint32_t *)fwcode;
8397         if (qla24xx_risc_firmware_invalid(dcode)) {
8398                 ql_log(ql_log_fatal, vha, 0x0093,
8399                     "Unable to verify integrity of firmware image (%zd).\n",
8400                     blob->fw->size);
8401                 ql_log(ql_log_fatal, vha, 0x0095,
8402                     "Firmware data: %08x %08x %08x %08x.\n",
8403                     dcode[0], dcode[1], dcode[2], dcode[3]);
8404                 return QLA_FUNCTION_FAILED;
8405         }
8406
8407         dcode = (uint32_t *)req->ring;
8408         *srisc_addr = 0;
8409         segments = FA_RISC_CODE_SEGMENTS;
8410         for (j = 0; j < segments; j++) {
8411                 ql_dbg(ql_dbg_init, vha, 0x0096,
8412                     "-> Loading segment %u...\n", j);
8413                 risc_addr = be32_to_cpu(fwcode[2]);
8414                 risc_size = be32_to_cpu(fwcode[3]);
8415
8416                 if (!*srisc_addr) {
8417                         *srisc_addr = risc_addr;
8418                         risc_attr = be32_to_cpu(fwcode[9]);
8419                 }
8420
8421                 dlen = ha->fw_transfer_size >> 2;
8422                 for (fragment = 0; risc_size; fragment++) {
8423                         if (dlen > risc_size)
8424                                 dlen = risc_size;
8425
8426                         ql_dbg(ql_dbg_init, vha, 0x0097,
8427                             "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n",
8428                             fragment, risc_addr,
8429                             (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data),
8430                             dlen);
8431
8432                         for (i = 0; i < dlen; i++)
8433                                 dcode[i] = swab32((__force u32)fwcode[i]);
8434
8435                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8436                         if (rval) {
8437                                 ql_log(ql_log_fatal, vha, 0x0098,
8438                                     "-> Failed load firmware fragment %u.\n",
8439                                     fragment);
8440                                 return QLA_FUNCTION_FAILED;
8441                         }
8442
8443                         fwcode += dlen;
8444                         risc_addr += dlen;
8445                         risc_size -= dlen;
8446                 }
8447         }
8448
8449         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8450                 return QLA_SUCCESS;
8451
8452         templates = (risc_attr & BIT_9) ? 2 : 1;
8453         ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates);
8454         for (j = 0; j < templates; j++, fwdt++) {
8455                 vfree(fwdt->template);
8456                 fwdt->template = NULL;
8457                 fwdt->length = 0;
8458
8459                 risc_size = be32_to_cpu(fwcode[2]);
8460                 ql_dbg(ql_dbg_init, vha, 0x0171,
8461                     "-> fwdt%u template array at %#x (%#x dwords)\n",
8462                     j, (uint32_t)((void *)fwcode - (void *)blob->fw->data),
8463                     risc_size);
8464                 if (!risc_size || !~risc_size) {
8465                         ql_dbg(ql_dbg_init, vha, 0x0172,
8466                             "-> fwdt%u failed to read array\n", j);
8467                         goto failed;
8468                 }
8469
8470                 /* skip header and ignore checksum */
8471                 fwcode += 7;
8472                 risc_size -= 8;
8473
8474                 ql_dbg(ql_dbg_init, vha, 0x0173,
8475                     "-> fwdt%u template allocate template %#x words...\n",
8476                     j, risc_size);
8477                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
8478                 if (!fwdt->template) {
8479                         ql_log(ql_log_warn, vha, 0x0174,
8480                             "-> fwdt%u failed allocate template.\n", j);
8481                         goto failed;
8482                 }
8483
8484                 dcode = fwdt->template;
8485                 for (i = 0; i < risc_size; i++)
8486                         dcode[i] = (__force u32)fwcode[i];
8487
8488                 if (!qla27xx_fwdt_template_valid(dcode)) {
8489                         ql_log(ql_log_warn, vha, 0x0175,
8490                             "-> fwdt%u failed template validate\n", j);
8491                         goto failed;
8492                 }
8493
8494                 dlen = qla27xx_fwdt_template_size(dcode);
8495                 ql_dbg(ql_dbg_init, vha, 0x0176,
8496                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8497                     j, dlen, dlen / sizeof(*dcode));
8498                 if (dlen > risc_size * sizeof(*dcode)) {
8499                         ql_log(ql_log_warn, vha, 0x0177,
8500                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
8501                             j, dlen - risc_size * sizeof(*dcode));
8502                         goto failed;
8503                 }
8504
8505                 fwdt->length = dlen;
8506                 ql_dbg(ql_dbg_init, vha, 0x0178,
8507                     "-> fwdt%u loaded template ok\n", j);
8508
8509                 fwcode += risc_size + 1;
8510         }
8511
8512         return QLA_SUCCESS;
8513
8514 failed:
8515         vfree(fwdt->template);
8516         fwdt->template = NULL;
8517         fwdt->length = 0;
8518
8519         return QLA_SUCCESS;
8520 }
8521
8522 int
8523 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8524 {
8525         int rval;
8526
8527         if (ql2xfwloadbin == 1)
8528                 return qla81xx_load_risc(vha, srisc_addr);
8529
8530         /*
8531          * FW Load priority:
8532          * 1) Firmware via request-firmware interface (.bin file).
8533          * 2) Firmware residing in flash.
8534          */
8535         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8536         if (rval == QLA_SUCCESS)
8537                 return rval;
8538
8539         return qla24xx_load_risc_flash(vha, srisc_addr,
8540             vha->hw->flt_region_fw);
8541 }
8542
8543 int
8544 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8545 {
8546         int rval;
8547         struct qla_hw_data *ha = vha->hw;
8548         struct active_regions active_regions = { };
8549
8550         if (ql2xfwloadbin == 2)
8551                 goto try_blob_fw;
8552
8553         /* FW Load priority:
8554          * 1) Firmware residing in flash.
8555          * 2) Firmware via request-firmware interface (.bin file).
8556          * 3) Golden-Firmware residing in flash -- (limited operation).
8557          */
8558
8559         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8560                 goto try_primary_fw;
8561
8562         qla27xx_get_active_image(vha, &active_regions);
8563
8564         if (active_regions.global != QLA27XX_SECONDARY_IMAGE)
8565                 goto try_primary_fw;
8566
8567         ql_dbg(ql_dbg_init, vha, 0x008b,
8568             "Loading secondary firmware image.\n");
8569         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw_sec);
8570         if (!rval)
8571                 return rval;
8572
8573 try_primary_fw:
8574         ql_dbg(ql_dbg_init, vha, 0x008b,
8575             "Loading primary firmware image.\n");
8576         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
8577         if (!rval)
8578                 return rval;
8579
8580 try_blob_fw:
8581         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8582         if (!rval || !ha->flt_region_gold_fw)
8583                 return rval;
8584
8585         ql_log(ql_log_info, vha, 0x0099,
8586             "Attempting to fallback to golden firmware.\n");
8587         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
8588         if (rval)
8589                 return rval;
8590
8591         ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n");
8592         ha->flags.running_gold_fw = 1;
8593         return rval;
8594 }
8595
8596 void
8597 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
8598 {
8599         int ret, retries;
8600         struct qla_hw_data *ha = vha->hw;
8601
8602         if (ha->flags.pci_channel_io_perm_failure)
8603                 return;
8604         if (!IS_FWI2_CAPABLE(ha))
8605                 return;
8606         if (!ha->fw_major_version)
8607                 return;
8608         if (!ha->flags.fw_started)
8609                 return;
8610
8611         ret = qla2x00_stop_firmware(vha);
8612         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
8613             ret != QLA_INVALID_COMMAND && retries ; retries--) {
8614                 ha->isp_ops->reset_chip(vha);
8615                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
8616                         continue;
8617                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
8618                         continue;
8619                 ql_log(ql_log_info, vha, 0x8015,
8620                     "Attempting retry of stop-firmware command.\n");
8621                 ret = qla2x00_stop_firmware(vha);
8622         }
8623
8624         QLA_FW_STOPPED(ha);
8625         ha->flags.fw_init_done = 0;
8626 }
8627
8628 int
8629 qla24xx_configure_vhba(scsi_qla_host_t *vha)
8630 {
8631         int rval = QLA_SUCCESS;
8632         int rval2;
8633         uint16_t mb[MAILBOX_REGISTER_COUNT];
8634         struct qla_hw_data *ha = vha->hw;
8635         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
8636
8637         if (!vha->vp_idx)
8638                 return -EINVAL;
8639
8640         rval = qla2x00_fw_ready(base_vha);
8641
8642         if (rval == QLA_SUCCESS) {
8643                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8644                 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8645         }
8646
8647         vha->flags.management_server_logged_in = 0;
8648
8649         /* Login to SNS first */
8650         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
8651             BIT_1);
8652         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
8653                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
8654                         ql_dbg(ql_dbg_init, vha, 0x0120,
8655                             "Failed SNS login: loop_id=%x, rval2=%d\n",
8656                             NPH_SNS, rval2);
8657                 else
8658                         ql_dbg(ql_dbg_init, vha, 0x0103,
8659                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
8660                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
8661                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
8662                 return (QLA_FUNCTION_FAILED);
8663         }
8664
8665         atomic_set(&vha->loop_down_timer, 0);
8666         atomic_set(&vha->loop_state, LOOP_UP);
8667         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8668         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
8669         rval = qla2x00_loop_resync(base_vha);
8670
8671         return rval;
8672 }
8673
8674 /* 84XX Support **************************************************************/
8675
8676 static LIST_HEAD(qla_cs84xx_list);
8677 static DEFINE_MUTEX(qla_cs84xx_mutex);
8678
8679 static struct qla_chip_state_84xx *
8680 qla84xx_get_chip(struct scsi_qla_host *vha)
8681 {
8682         struct qla_chip_state_84xx *cs84xx;
8683         struct qla_hw_data *ha = vha->hw;
8684
8685         mutex_lock(&qla_cs84xx_mutex);
8686
8687         /* Find any shared 84xx chip. */
8688         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
8689                 if (cs84xx->bus == ha->pdev->bus) {
8690                         kref_get(&cs84xx->kref);
8691                         goto done;
8692                 }
8693         }
8694
8695         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
8696         if (!cs84xx)
8697                 goto done;
8698
8699         kref_init(&cs84xx->kref);
8700         spin_lock_init(&cs84xx->access_lock);
8701         mutex_init(&cs84xx->fw_update_mutex);
8702         cs84xx->bus = ha->pdev->bus;
8703
8704         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
8705 done:
8706         mutex_unlock(&qla_cs84xx_mutex);
8707         return cs84xx;
8708 }
8709
8710 static void
8711 __qla84xx_chip_release(struct kref *kref)
8712 {
8713         struct qla_chip_state_84xx *cs84xx =
8714             container_of(kref, struct qla_chip_state_84xx, kref);
8715
8716         mutex_lock(&qla_cs84xx_mutex);
8717         list_del(&cs84xx->list);
8718         mutex_unlock(&qla_cs84xx_mutex);
8719         kfree(cs84xx);
8720 }
8721
8722 void
8723 qla84xx_put_chip(struct scsi_qla_host *vha)
8724 {
8725         struct qla_hw_data *ha = vha->hw;
8726
8727         if (ha->cs84xx)
8728                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
8729 }
8730
8731 static int
8732 qla84xx_init_chip(scsi_qla_host_t *vha)
8733 {
8734         int rval;
8735         uint16_t status[2];
8736         struct qla_hw_data *ha = vha->hw;
8737
8738         mutex_lock(&ha->cs84xx->fw_update_mutex);
8739
8740         rval = qla84xx_verify_chip(vha, status);
8741
8742         mutex_unlock(&ha->cs84xx->fw_update_mutex);
8743
8744         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED :
8745             QLA_SUCCESS;
8746 }
8747
8748 /* 81XX Support **************************************************************/
8749
8750 int
8751 qla81xx_nvram_config(scsi_qla_host_t *vha)
8752 {
8753         int   rval;
8754         struct init_cb_81xx *icb;
8755         struct nvram_81xx *nv;
8756         __le32 *dptr;
8757         uint8_t  *dptr1, *dptr2;
8758         uint32_t chksum;
8759         uint16_t cnt;
8760         struct qla_hw_data *ha = vha->hw;
8761         uint32_t faddr;
8762         struct active_regions active_regions = { };
8763
8764         rval = QLA_SUCCESS;
8765         icb = (struct init_cb_81xx *)ha->init_cb;
8766         nv = ha->nvram;
8767
8768         /* Determine NVRAM starting address. */
8769         ha->nvram_size = sizeof(*nv);
8770         ha->vpd_size = FA_NVRAM_VPD_SIZE;
8771         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
8772                 ha->vpd_size = FA_VPD_SIZE_82XX;
8773
8774         if (IS_QLA28XX(ha) || IS_QLA27XX(ha))
8775                 qla28xx_get_aux_images(vha, &active_regions);
8776
8777         /* Get VPD data into cache */
8778         ha->vpd = ha->nvram + VPD_OFFSET;
8779
8780         faddr = ha->flt_region_vpd;
8781         if (IS_QLA28XX(ha)) {
8782                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8783                         faddr = ha->flt_region_vpd_sec;
8784                 ql_dbg(ql_dbg_init, vha, 0x0110,
8785                     "Loading %s nvram image.\n",
8786                     active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8787                     "primary" : "secondary");
8788         }
8789         ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size);
8790
8791         /* Get NVRAM data into cache and calculate checksum. */
8792         faddr = ha->flt_region_nvram;
8793         if (IS_QLA28XX(ha)) {
8794                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8795                         faddr = ha->flt_region_nvram_sec;
8796         }
8797         ql_dbg(ql_dbg_init, vha, 0x0110,
8798             "Loading %s nvram image.\n",
8799             active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8800             "primary" : "secondary");
8801         ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
8802
8803         dptr = (__force __le32 *)nv;
8804         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
8805                 chksum += le32_to_cpu(*dptr);
8806
8807         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
8808             "Contents of NVRAM:\n");
8809         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
8810             nv, ha->nvram_size);
8811
8812         /* Bad NVRAM data, set defaults parameters. */
8813         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
8814             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
8815                 /* Reset NVRAM data. */
8816                 ql_log(ql_log_info, vha, 0x0073,
8817                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
8818                     chksum, nv->id, le16_to_cpu(nv->nvram_version));
8819                 ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv));
8820                 ql_log(ql_log_info, vha, 0x0074,
8821                     "Falling back to functioning (yet invalid -- WWPN) "
8822                     "defaults.\n");
8823
8824                 /*
8825                  * Set default initialization control block.
8826                  */
8827                 memset(nv, 0, ha->nvram_size);
8828                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
8829                 nv->version = cpu_to_le16(ICB_VERSION);
8830                 nv->frame_payload_size = cpu_to_le16(2048);
8831                 nv->execution_throttle = cpu_to_le16(0xFFFF);
8832                 nv->exchange_count = cpu_to_le16(0);
8833                 nv->port_name[0] = 0x21;
8834                 nv->port_name[1] = 0x00 + ha->port_no + 1;
8835                 nv->port_name[2] = 0x00;
8836                 nv->port_name[3] = 0xe0;
8837                 nv->port_name[4] = 0x8b;
8838                 nv->port_name[5] = 0x1c;
8839                 nv->port_name[6] = 0x55;
8840                 nv->port_name[7] = 0x86;
8841                 nv->node_name[0] = 0x20;
8842                 nv->node_name[1] = 0x00;
8843                 nv->node_name[2] = 0x00;
8844                 nv->node_name[3] = 0xe0;
8845                 nv->node_name[4] = 0x8b;
8846                 nv->node_name[5] = 0x1c;
8847                 nv->node_name[6] = 0x55;
8848                 nv->node_name[7] = 0x86;
8849                 nv->login_retry_count = cpu_to_le16(8);
8850                 nv->interrupt_delay_timer = cpu_to_le16(0);
8851                 nv->login_timeout = cpu_to_le16(0);
8852                 nv->firmware_options_1 =
8853                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
8854                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
8855                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
8856                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
8857                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
8858                 nv->efi_parameters = cpu_to_le32(0);
8859                 nv->reset_delay = 5;
8860                 nv->max_luns_per_target = cpu_to_le16(128);
8861                 nv->port_down_retry_count = cpu_to_le16(30);
8862                 nv->link_down_timeout = cpu_to_le16(180);
8863                 nv->enode_mac[0] = 0x00;
8864                 nv->enode_mac[1] = 0xC0;
8865                 nv->enode_mac[2] = 0xDD;
8866                 nv->enode_mac[3] = 0x04;
8867                 nv->enode_mac[4] = 0x05;
8868                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
8869
8870                 rval = 1;
8871         }
8872
8873         if (IS_T10_PI_CAPABLE(ha))
8874                 nv->frame_payload_size &= cpu_to_le16(~7);
8875
8876         qlt_81xx_config_nvram_stage1(vha, nv);
8877
8878         /* Reset Initialization control block */
8879         memset(icb, 0, ha->init_cb_size);
8880
8881         /* Copy 1st segment. */
8882         dptr1 = (uint8_t *)icb;
8883         dptr2 = (uint8_t *)&nv->version;
8884         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
8885         while (cnt--)
8886                 *dptr1++ = *dptr2++;
8887
8888         icb->login_retry_count = nv->login_retry_count;
8889
8890         /* Copy 2nd segment. */
8891         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
8892         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
8893         cnt = (uint8_t *)&icb->reserved_5 -
8894             (uint8_t *)&icb->interrupt_delay_timer;
8895         while (cnt--)
8896                 *dptr1++ = *dptr2++;
8897
8898         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
8899         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
8900         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
8901                 icb->enode_mac[0] = 0x00;
8902                 icb->enode_mac[1] = 0xC0;
8903                 icb->enode_mac[2] = 0xDD;
8904                 icb->enode_mac[3] = 0x04;
8905                 icb->enode_mac[4] = 0x05;
8906                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
8907         }
8908
8909         /* Use extended-initialization control block. */
8910         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
8911         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
8912         /*
8913          * Setup driver NVRAM options.
8914          */
8915         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
8916             "QLE8XXX");
8917
8918         qlt_81xx_config_nvram_stage2(vha, icb);
8919
8920         /* Use alternate WWN? */
8921         if (nv->host_p & cpu_to_le32(BIT_15)) {
8922                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
8923                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
8924         }
8925
8926         /* Prepare nodename */
8927         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
8928                 /*
8929                  * Firmware will apply the following mask if the nodename was
8930                  * not provided.
8931                  */
8932                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
8933                 icb->node_name[0] &= 0xF0;
8934         }
8935
8936         if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
8937                 if ((nv->enhanced_features & BIT_7) == 0)
8938                         ha->flags.scm_supported_a = 1;
8939         }
8940
8941         /* Set host adapter parameters. */
8942         ha->flags.disable_risc_code_load = 0;
8943         ha->flags.enable_lip_reset = 0;
8944         ha->flags.enable_lip_full_login =
8945             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
8946         ha->flags.enable_target_reset =
8947             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
8948         ha->flags.enable_led_scheme = 0;
8949         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
8950
8951         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
8952             (BIT_6 | BIT_5 | BIT_4)) >> 4;
8953
8954         /* save HBA serial number */
8955         ha->serial0 = icb->port_name[5];
8956         ha->serial1 = icb->port_name[6];
8957         ha->serial2 = icb->port_name[7];
8958         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
8959         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
8960
8961         icb->execution_throttle = cpu_to_le16(0xFFFF);
8962
8963         ha->retry_count = le16_to_cpu(nv->login_retry_count);
8964
8965         /* Set minimum login_timeout to 4 seconds. */
8966         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
8967                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
8968         if (le16_to_cpu(nv->login_timeout) < 4)
8969                 nv->login_timeout = cpu_to_le16(4);
8970         ha->login_timeout = le16_to_cpu(nv->login_timeout);
8971
8972         /* Set minimum RATOV to 100 tenths of a second. */
8973         ha->r_a_tov = 100;
8974
8975         ha->loop_reset_delay = nv->reset_delay;
8976
8977         /* Link Down Timeout = 0:
8978          *
8979          *      When Port Down timer expires we will start returning
8980          *      I/O's to OS with "DID_NO_CONNECT".
8981          *
8982          * Link Down Timeout != 0:
8983          *
8984          *       The driver waits for the link to come up after link down
8985          *       before returning I/Os to OS with "DID_NO_CONNECT".
8986          */
8987         if (le16_to_cpu(nv->link_down_timeout) == 0) {
8988                 ha->loop_down_abort_time =
8989                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
8990         } else {
8991                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
8992                 ha->loop_down_abort_time =
8993                     (LOOP_DOWN_TIME - ha->link_down_timeout);
8994         }
8995
8996         /* Need enough time to try and get the port back. */
8997         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8998         if (qlport_down_retry)
8999                 ha->port_down_retry_count = qlport_down_retry;
9000
9001         /* Set login_retry_count */
9002         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
9003         if (ha->port_down_retry_count ==
9004             le16_to_cpu(nv->port_down_retry_count) &&
9005             ha->port_down_retry_count > 3)
9006                 ha->login_retry_count = ha->port_down_retry_count;
9007         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
9008                 ha->login_retry_count = ha->port_down_retry_count;
9009         if (ql2xloginretrycount)
9010                 ha->login_retry_count = ql2xloginretrycount;
9011
9012         /* if not running MSI-X we need handshaking on interrupts */
9013         if (!vha->hw->flags.msix_enabled &&
9014             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)))
9015                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
9016
9017         /* Enable ZIO. */
9018         if (!vha->flags.init_done) {
9019                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
9020                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
9021                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
9022                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
9023         }
9024         icb->firmware_options_2 &= cpu_to_le32(
9025             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
9026         vha->flags.process_response_queue = 0;
9027         if (ha->zio_mode != QLA_ZIO_DISABLED) {
9028                 ha->zio_mode = QLA_ZIO_MODE_6;
9029
9030                 ql_log(ql_log_info, vha, 0x0075,
9031                     "ZIO mode %d enabled; timer delay (%d us).\n",
9032                     ha->zio_mode,
9033                     ha->zio_timer * 100);
9034
9035                 icb->firmware_options_2 |= cpu_to_le32(
9036                     (uint32_t)ha->zio_mode);
9037                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
9038                 vha->flags.process_response_queue = 1;
9039         }
9040
9041          /* enable RIDA Format2 */
9042         icb->firmware_options_3 |= cpu_to_le32(BIT_0);
9043
9044         /* N2N: driver will initiate Login instead of FW */
9045         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
9046
9047         /* Determine NVMe/FCP priority for target ports */
9048         ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha);
9049
9050         if (rval) {
9051                 ql_log(ql_log_warn, vha, 0x0076,
9052                     "NVRAM configuration failed.\n");
9053         }
9054         return (rval);
9055 }
9056
9057 int
9058 qla82xx_restart_isp(scsi_qla_host_t *vha)
9059 {
9060         int status, rval;
9061         struct qla_hw_data *ha = vha->hw;
9062         struct scsi_qla_host *vp, *tvp;
9063         unsigned long flags;
9064
9065         status = qla2x00_init_rings(vha);
9066         if (!status) {
9067                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
9068                 ha->flags.chip_reset_done = 1;
9069
9070                 status = qla2x00_fw_ready(vha);
9071                 if (!status) {
9072                         /* Issue a marker after FW becomes ready. */
9073                         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
9074                         vha->flags.online = 1;
9075                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
9076                 }
9077
9078                 /* if no cable then assume it's good */
9079                 if ((vha->device_flags & DFLG_NO_CABLE))
9080                         status = 0;
9081         }
9082
9083         if (!status) {
9084                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
9085
9086                 if (!atomic_read(&vha->loop_down_timer)) {
9087                         /*
9088                          * Issue marker command only when we are going
9089                          * to start the I/O .
9090                          */
9091                         vha->marker_needed = 1;
9092                 }
9093
9094                 ha->isp_ops->enable_intrs(ha);
9095
9096                 ha->isp_abort_cnt = 0;
9097                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
9098
9099                 /* Update the firmware version */
9100                 status = qla82xx_check_md_needed(vha);
9101
9102                 if (ha->fce) {
9103                         ha->flags.fce_enabled = 1;
9104                         memset(ha->fce, 0,
9105                             fce_calc_size(ha->fce_bufs));
9106                         rval = qla2x00_enable_fce_trace(vha,
9107                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
9108                             &ha->fce_bufs);
9109                         if (rval) {
9110                                 ql_log(ql_log_warn, vha, 0x8001,
9111                                     "Unable to reinitialize FCE (%d).\n",
9112                                     rval);
9113                                 ha->flags.fce_enabled = 0;
9114                         }
9115                 }
9116
9117                 if (ha->eft) {
9118                         memset(ha->eft, 0, EFT_SIZE);
9119                         rval = qla2x00_enable_eft_trace(vha,
9120                             ha->eft_dma, EFT_NUM_BUFFERS);
9121                         if (rval) {
9122                                 ql_log(ql_log_warn, vha, 0x8010,
9123                                     "Unable to reinitialize EFT (%d).\n",
9124                                     rval);
9125                         }
9126                 }
9127         }
9128
9129         if (!status) {
9130                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
9131                     "qla82xx_restart_isp succeeded.\n");
9132
9133                 spin_lock_irqsave(&ha->vport_slock, flags);
9134                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
9135                         if (vp->vp_idx) {
9136                                 atomic_inc(&vp->vref_count);
9137                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
9138
9139                                 qla2x00_vp_abort_isp(vp);
9140
9141                                 spin_lock_irqsave(&ha->vport_slock, flags);
9142                                 atomic_dec(&vp->vref_count);
9143                         }
9144                 }
9145                 spin_unlock_irqrestore(&ha->vport_slock, flags);
9146
9147         } else {
9148                 ql_log(ql_log_warn, vha, 0x8016,
9149                     "qla82xx_restart_isp **** FAILED ****.\n");
9150         }
9151
9152         return status;
9153 }
9154
9155 /*
9156  * qla24xx_get_fcp_prio
9157  *      Gets the fcp cmd priority value for the logged in port.
9158  *      Looks for a match of the port descriptors within
9159  *      each of the fcp prio config entries. If a match is found,
9160  *      the tag (priority) value is returned.
9161  *
9162  * Input:
9163  *      vha = scsi host structure pointer.
9164  *      fcport = port structure pointer.
9165  *
9166  * Return:
9167  *      non-zero (if found)
9168  *      -1 (if not found)
9169  *
9170  * Context:
9171  *      Kernel context
9172  */
9173 static int
9174 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
9175 {
9176         int i, entries;
9177         uint8_t pid_match, wwn_match;
9178         int priority;
9179         uint32_t pid1, pid2;
9180         uint64_t wwn1, wwn2;
9181         struct qla_fcp_prio_entry *pri_entry;
9182         struct qla_hw_data *ha = vha->hw;
9183
9184         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
9185                 return -1;
9186
9187         priority = -1;
9188         entries = ha->fcp_prio_cfg->num_entries;
9189         pri_entry = &ha->fcp_prio_cfg->entry[0];
9190
9191         for (i = 0; i < entries; i++) {
9192                 pid_match = wwn_match = 0;
9193
9194                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
9195                         pri_entry++;
9196                         continue;
9197                 }
9198
9199                 /* check source pid for a match */
9200                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
9201                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
9202                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
9203                         if (pid1 == INVALID_PORT_ID)
9204                                 pid_match++;
9205                         else if (pid1 == pid2)
9206                                 pid_match++;
9207                 }
9208
9209                 /* check destination pid for a match */
9210                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
9211                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
9212                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
9213                         if (pid1 == INVALID_PORT_ID)
9214                                 pid_match++;
9215                         else if (pid1 == pid2)
9216                                 pid_match++;
9217                 }
9218
9219                 /* check source WWN for a match */
9220                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
9221                         wwn1 = wwn_to_u64(vha->port_name);
9222                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
9223                         if (wwn2 == (uint64_t)-1)
9224                                 wwn_match++;
9225                         else if (wwn1 == wwn2)
9226                                 wwn_match++;
9227                 }
9228
9229                 /* check destination WWN for a match */
9230                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
9231                         wwn1 = wwn_to_u64(fcport->port_name);
9232                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
9233                         if (wwn2 == (uint64_t)-1)
9234                                 wwn_match++;
9235                         else if (wwn1 == wwn2)
9236                                 wwn_match++;
9237                 }
9238
9239                 if (pid_match == 2 || wwn_match == 2) {
9240                         /* Found a matching entry */
9241                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
9242                                 priority = pri_entry->tag;
9243                         break;
9244                 }
9245
9246                 pri_entry++;
9247         }
9248
9249         return priority;
9250 }
9251
9252 /*
9253  * qla24xx_update_fcport_fcp_prio
9254  *      Activates fcp priority for the logged in fc port
9255  *
9256  * Input:
9257  *      vha = scsi host structure pointer.
9258  *      fcp = port structure pointer.
9259  *
9260  * Return:
9261  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
9262  *
9263  * Context:
9264  *      Kernel context.
9265  */
9266 int
9267 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
9268 {
9269         int ret;
9270         int priority;
9271         uint16_t mb[5];
9272
9273         if (fcport->port_type != FCT_TARGET ||
9274             fcport->loop_id == FC_NO_LOOP_ID)
9275                 return QLA_FUNCTION_FAILED;
9276
9277         priority = qla24xx_get_fcp_prio(vha, fcport);
9278         if (priority < 0)
9279                 return QLA_FUNCTION_FAILED;
9280
9281         if (IS_P3P_TYPE(vha->hw)) {
9282                 fcport->fcp_prio = priority & 0xf;
9283                 return QLA_SUCCESS;
9284         }
9285
9286         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
9287         if (ret == QLA_SUCCESS) {
9288                 if (fcport->fcp_prio != priority)
9289                         ql_dbg(ql_dbg_user, vha, 0x709e,
9290                             "Updated FCP_CMND priority - value=%d loop_id=%d "
9291                             "port_id=%02x%02x%02x.\n", priority,
9292                             fcport->loop_id, fcport->d_id.b.domain,
9293                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
9294                 fcport->fcp_prio = priority & 0xf;
9295         } else
9296                 ql_dbg(ql_dbg_user, vha, 0x704f,
9297                     "Unable to update FCP_CMND priority - ret=0x%x for "
9298                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
9299                     fcport->d_id.b.domain, fcport->d_id.b.area,
9300                     fcport->d_id.b.al_pa);
9301         return  ret;
9302 }
9303
9304 /*
9305  * qla24xx_update_all_fcp_prio
9306  *      Activates fcp priority for all the logged in ports
9307  *
9308  * Input:
9309  *      ha = adapter block pointer.
9310  *
9311  * Return:
9312  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
9313  *
9314  * Context:
9315  *      Kernel context.
9316  */
9317 int
9318 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
9319 {
9320         int ret;
9321         fc_port_t *fcport;
9322
9323         ret = QLA_FUNCTION_FAILED;
9324         /* We need to set priority for all logged in ports */
9325         list_for_each_entry(fcport, &vha->vp_fcports, list)
9326                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
9327
9328         return ret;
9329 }
9330
9331 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
9332         int vp_idx, bool startqp)
9333 {
9334         int rsp_id = 0;
9335         int  req_id = 0;
9336         int i;
9337         struct qla_hw_data *ha = vha->hw;
9338         uint16_t qpair_id = 0;
9339         struct qla_qpair *qpair = NULL;
9340         struct qla_msix_entry *msix;
9341
9342         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
9343                 ql_log(ql_log_warn, vha, 0x00181,
9344                     "FW/Driver is not multi-queue capable.\n");
9345                 return NULL;
9346         }
9347
9348         if (ql2xmqsupport || ql2xnvmeenable) {
9349                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
9350                 if (qpair == NULL) {
9351                         ql_log(ql_log_warn, vha, 0x0182,
9352                             "Failed to allocate memory for queue pair.\n");
9353                         return NULL;
9354                 }
9355
9356                 qpair->hw = vha->hw;
9357                 qpair->vha = vha;
9358                 qpair->qp_lock_ptr = &qpair->qp_lock;
9359                 spin_lock_init(&qpair->qp_lock);
9360                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
9361
9362                 /* Assign available que pair id */
9363                 mutex_lock(&ha->mq_lock);
9364                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
9365                 if (ha->num_qpairs >= ha->max_qpairs) {
9366                         mutex_unlock(&ha->mq_lock);
9367                         ql_log(ql_log_warn, vha, 0x0183,
9368                             "No resources to create additional q pair.\n");
9369                         goto fail_qid_map;
9370                 }
9371                 ha->num_qpairs++;
9372                 set_bit(qpair_id, ha->qpair_qid_map);
9373                 ha->queue_pair_map[qpair_id] = qpair;
9374                 qpair->id = qpair_id;
9375                 qpair->vp_idx = vp_idx;
9376                 qpair->fw_started = ha->flags.fw_started;
9377                 INIT_LIST_HEAD(&qpair->hints_list);
9378                 qpair->chip_reset = ha->base_qpair->chip_reset;
9379                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
9380                 qpair->enable_explicit_conf =
9381                     ha->base_qpair->enable_explicit_conf;
9382
9383                 for (i = 0; i < ha->msix_count; i++) {
9384                         msix = &ha->msix_entries[i];
9385                         if (msix->in_use)
9386                                 continue;
9387                         qpair->msix = msix;
9388                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
9389                             "Vector %x selected for qpair\n", msix->vector);
9390                         break;
9391                 }
9392                 if (!qpair->msix) {
9393                         ql_log(ql_log_warn, vha, 0x0184,
9394                             "Out of MSI-X vectors!.\n");
9395                         goto fail_msix;
9396                 }
9397
9398                 qpair->msix->in_use = 1;
9399                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
9400                 qpair->pdev = ha->pdev;
9401                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
9402                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
9403
9404                 mutex_unlock(&ha->mq_lock);
9405
9406                 /* Create response queue first */
9407                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
9408                 if (!rsp_id) {
9409                         ql_log(ql_log_warn, vha, 0x0185,
9410                             "Failed to create response queue.\n");
9411                         goto fail_rsp;
9412                 }
9413
9414                 qpair->rsp = ha->rsp_q_map[rsp_id];
9415
9416                 /* Create request queue */
9417                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
9418                     startqp);
9419                 if (!req_id) {
9420                         ql_log(ql_log_warn, vha, 0x0186,
9421                             "Failed to create request queue.\n");
9422                         goto fail_req;
9423                 }
9424
9425                 qpair->req = ha->req_q_map[req_id];
9426                 qpair->rsp->req = qpair->req;
9427                 qpair->rsp->qpair = qpair;
9428
9429                 if (!qpair->cpu_mapped)
9430                         qla_cpu_update(qpair, raw_smp_processor_id());
9431
9432                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
9433                         if (ha->fw_attributes & BIT_4)
9434                                 qpair->difdix_supported = 1;
9435                 }
9436
9437                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
9438                 if (!qpair->srb_mempool) {
9439                         ql_log(ql_log_warn, vha, 0xd036,
9440                             "Failed to create srb mempool for qpair %d\n",
9441                             qpair->id);
9442                         goto fail_mempool;
9443                 }
9444
9445                 if (qla_create_buf_pool(vha, qpair)) {
9446                         ql_log(ql_log_warn, vha, 0xd036,
9447                             "Failed to initialize buf pool for qpair %d\n",
9448                             qpair->id);
9449                         goto fail_bufpool;
9450                 }
9451
9452                 /* Mark as online */
9453                 qpair->online = 1;
9454
9455                 if (!vha->flags.qpairs_available)
9456                         vha->flags.qpairs_available = 1;
9457
9458                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
9459                     "Request/Response queue pair created, id %d\n",
9460                     qpair->id);
9461                 ql_dbg(ql_dbg_init, vha, 0x0187,
9462                     "Request/Response queue pair created, id %d\n",
9463                     qpair->id);
9464         }
9465         return qpair;
9466
9467 fail_bufpool:
9468         mempool_destroy(qpair->srb_mempool);
9469 fail_mempool:
9470         qla25xx_delete_req_que(vha, qpair->req);
9471 fail_req:
9472         qla25xx_delete_rsp_que(vha, qpair->rsp);
9473 fail_rsp:
9474         mutex_lock(&ha->mq_lock);
9475         qpair->msix->in_use = 0;
9476         list_del(&qpair->qp_list_elem);
9477         if (list_empty(&vha->qp_list))
9478                 vha->flags.qpairs_available = 0;
9479 fail_msix:
9480         ha->queue_pair_map[qpair_id] = NULL;
9481         clear_bit(qpair_id, ha->qpair_qid_map);
9482         ha->num_qpairs--;
9483         mutex_unlock(&ha->mq_lock);
9484 fail_qid_map:
9485         kfree(qpair);
9486         return NULL;
9487 }
9488
9489 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
9490 {
9491         int ret = QLA_FUNCTION_FAILED;
9492         struct qla_hw_data *ha = qpair->hw;
9493
9494         qpair->delete_in_progress = 1;
9495
9496         qla_free_buf_pool(qpair);
9497
9498         ret = qla25xx_delete_req_que(vha, qpair->req);
9499         if (ret != QLA_SUCCESS)
9500                 goto fail;
9501
9502         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
9503         if (ret != QLA_SUCCESS)
9504                 goto fail;
9505
9506         mutex_lock(&ha->mq_lock);
9507         ha->queue_pair_map[qpair->id] = NULL;
9508         clear_bit(qpair->id, ha->qpair_qid_map);
9509         ha->num_qpairs--;
9510         list_del(&qpair->qp_list_elem);
9511         if (list_empty(&vha->qp_list)) {
9512                 vha->flags.qpairs_available = 0;
9513                 vha->flags.qpairs_req_created = 0;
9514                 vha->flags.qpairs_rsp_created = 0;
9515         }
9516         mempool_destroy(qpair->srb_mempool);
9517         kfree(qpair);
9518         mutex_unlock(&ha->mq_lock);
9519
9520         return QLA_SUCCESS;
9521 fail:
9522         return ret;
9523 }
9524
9525 uint64_t
9526 qla2x00_count_set_bits(uint32_t num)
9527 {
9528         /* Brian Kernighan's Algorithm */
9529         u64 count = 0;
9530
9531         while (num) {
9532                 num &= (num - 1);
9533                 count++;
9534         }
9535         return count;
9536 }
9537
9538 uint64_t
9539 qla2x00_get_num_tgts(scsi_qla_host_t *vha)
9540 {
9541         fc_port_t *f, *tf;
9542         u64 count = 0;
9543
9544         f = NULL;
9545         tf = NULL;
9546
9547         list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
9548                 if (f->port_type != FCT_TARGET)
9549                         continue;
9550                 count++;
9551         }
9552         return count;
9553 }
9554
9555 int qla2xxx_reset_stats(struct Scsi_Host *host, u32 flags)
9556 {
9557         scsi_qla_host_t *vha = shost_priv(host);
9558         fc_port_t *fcport = NULL;
9559         unsigned long int_flags;
9560
9561         if (flags & QLA2XX_HW_ERROR)
9562                 vha->hw_err_cnt = 0;
9563         if (flags & QLA2XX_SHT_LNK_DWN)
9564                 vha->short_link_down_cnt = 0;
9565         if (flags & QLA2XX_INT_ERR)
9566                 vha->interface_err_cnt = 0;
9567         if (flags & QLA2XX_CMD_TIMEOUT)
9568                 vha->cmd_timeout_cnt = 0;
9569         if (flags & QLA2XX_RESET_CMD_ERR)
9570                 vha->reset_cmd_err_cnt = 0;
9571         if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
9572                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
9573                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
9574                         fcport->tgt_short_link_down_cnt = 0;
9575                         fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
9576                 }
9577                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
9578         }
9579         vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
9580         return 0;
9581 }
9582
9583 int qla2xxx_start_stats(struct Scsi_Host *host, u32 flags)
9584 {
9585         return qla2xxx_reset_stats(host, flags);
9586 }
9587
9588 int qla2xxx_stop_stats(struct Scsi_Host *host, u32 flags)
9589 {
9590         return qla2xxx_reset_stats(host, flags);
9591 }
9592
9593 int qla2xxx_get_ini_stats(struct Scsi_Host *host, u32 flags,
9594                           void *data, u64 size)
9595 {
9596         scsi_qla_host_t *vha = shost_priv(host);
9597         struct ql_vnd_host_stats_resp *resp = (struct ql_vnd_host_stats_resp *)data;
9598         struct ql_vnd_stats *rsp_data = &resp->stats;
9599         u64 ini_entry_count = 0;
9600         u64 i = 0;
9601         u64 entry_count = 0;
9602         u64 num_tgt = 0;
9603         u32 tmp_stat_type = 0;
9604         fc_port_t *fcport = NULL;
9605         unsigned long int_flags;
9606
9607         /* Copy stat type to work on it */
9608         tmp_stat_type = flags;
9609
9610         if (tmp_stat_type & BIT_17) {
9611                 num_tgt = qla2x00_get_num_tgts(vha);
9612                 /* unset BIT_17 */
9613                 tmp_stat_type &= ~(1 << 17);
9614         }
9615         ini_entry_count = qla2x00_count_set_bits(tmp_stat_type);
9616
9617         entry_count = ini_entry_count + num_tgt;
9618
9619         rsp_data->entry_count = entry_count;
9620
9621         i = 0;
9622         if (flags & QLA2XX_HW_ERROR) {
9623                 rsp_data->entry[i].stat_type = QLA2XX_HW_ERROR;
9624                 rsp_data->entry[i].tgt_num = 0x0;
9625                 rsp_data->entry[i].cnt = vha->hw_err_cnt;
9626                 i++;
9627         }
9628
9629         if (flags & QLA2XX_SHT_LNK_DWN) {
9630                 rsp_data->entry[i].stat_type = QLA2XX_SHT_LNK_DWN;
9631                 rsp_data->entry[i].tgt_num = 0x0;
9632                 rsp_data->entry[i].cnt = vha->short_link_down_cnt;
9633                 i++;
9634         }
9635
9636         if (flags & QLA2XX_INT_ERR) {
9637                 rsp_data->entry[i].stat_type = QLA2XX_INT_ERR;
9638                 rsp_data->entry[i].tgt_num = 0x0;
9639                 rsp_data->entry[i].cnt = vha->interface_err_cnt;
9640                 i++;
9641         }
9642
9643         if (flags & QLA2XX_CMD_TIMEOUT) {
9644                 rsp_data->entry[i].stat_type = QLA2XX_CMD_TIMEOUT;
9645                 rsp_data->entry[i].tgt_num = 0x0;
9646                 rsp_data->entry[i].cnt = vha->cmd_timeout_cnt;
9647                 i++;
9648         }
9649
9650         if (flags & QLA2XX_RESET_CMD_ERR) {
9651                 rsp_data->entry[i].stat_type = QLA2XX_RESET_CMD_ERR;
9652                 rsp_data->entry[i].tgt_num = 0x0;
9653                 rsp_data->entry[i].cnt = vha->reset_cmd_err_cnt;
9654                 i++;
9655         }
9656
9657         /* i will continue from previous loop, as target
9658          * entries are after initiator
9659          */
9660         if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
9661                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
9662                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
9663                         if (fcport->port_type != FCT_TARGET)
9664                                 continue;
9665                         if (!fcport->rport)
9666                                 continue;
9667                         rsp_data->entry[i].stat_type = QLA2XX_TGT_SHT_LNK_DOWN;
9668                         rsp_data->entry[i].tgt_num = fcport->rport->number;
9669                         rsp_data->entry[i].cnt = fcport->tgt_short_link_down_cnt;
9670                         i++;
9671                 }
9672                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
9673         }
9674         resp->status = EXT_STATUS_OK;
9675
9676         return 0;
9677 }
9678
9679 int qla2xxx_get_tgt_stats(struct Scsi_Host *host, u32 flags,
9680                           struct fc_rport *rport, void *data, u64 size)
9681 {
9682         struct ql_vnd_tgt_stats_resp *tgt_data = data;
9683         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
9684
9685         tgt_data->status = 0;
9686         tgt_data->stats.entry_count = 1;
9687         tgt_data->stats.entry[0].stat_type = flags;
9688         tgt_data->stats.entry[0].tgt_num = rport->number;
9689         tgt_data->stats.entry[0].cnt = fcport->tgt_short_link_down_cnt;
9690
9691         return 0;
9692 }
9693
9694 int qla2xxx_disable_port(struct Scsi_Host *host)
9695 {
9696         scsi_qla_host_t *vha = shost_priv(host);
9697
9698         vha->hw->flags.port_isolated = 1;
9699
9700         if (qla2x00_isp_reg_stat(vha->hw)) {
9701                 ql_log(ql_log_info, vha, 0x9006,
9702                     "PCI/Register disconnect, exiting.\n");
9703                 qla_pci_set_eeh_busy(vha);
9704                 return FAILED;
9705         }
9706         if (qla2x00_chip_is_down(vha))
9707                 return 0;
9708
9709         if (vha->flags.online) {
9710                 qla2x00_abort_isp_cleanup(vha);
9711                 qla2x00_wait_for_sess_deletion(vha);
9712         }
9713
9714         return 0;
9715 }
9716
9717 int qla2xxx_enable_port(struct Scsi_Host *host)
9718 {
9719         scsi_qla_host_t *vha = shost_priv(host);
9720
9721         if (qla2x00_isp_reg_stat(vha->hw)) {
9722                 ql_log(ql_log_info, vha, 0x9001,
9723                     "PCI/Register disconnect, exiting.\n");
9724                 qla_pci_set_eeh_busy(vha);
9725                 return FAILED;
9726         }
9727
9728         vha->hw->flags.port_isolated = 0;
9729         /* Set the flag to 1, so that isp_abort can proceed */
9730         vha->flags.online = 1;
9731         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9732         qla2xxx_wake_dpc(vha);
9733
9734         return 0;
9735 }