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         if (sp->type == SRB_MARKER) {
2000                 complete(&tmf->u.tmf.comp);
2001                 return;
2002         }
2003
2004         rc = qla24xx_async_abort_cmd(sp, false);
2005         if (rc) {
2006                 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
2007                 for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) {
2008                         if (sp->qpair->req->outstanding_cmds[h] == sp) {
2009                                 sp->qpair->req->outstanding_cmds[h] = NULL;
2010                                 qla_put_fw_resources(sp->qpair, &sp->iores);
2011                                 break;
2012                         }
2013                 }
2014                 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
2015                 tmf->u.tmf.comp_status = cpu_to_le16(CS_TIMEOUT);
2016                 tmf->u.tmf.data = QLA_FUNCTION_FAILED;
2017                 complete(&tmf->u.tmf.comp);
2018         }
2019 }
2020
2021 static void qla_marker_sp_done(srb_t *sp, int res)
2022 {
2023         struct srb_iocb *tmf = &sp->u.iocb_cmd;
2024
2025         if (res != QLA_SUCCESS)
2026                 ql_dbg(ql_dbg_taskm, sp->vha, 0x8004,
2027                     "Async-marker fail hdl=%x portid=%06x ctrl=%x lun=%lld qp=%d.\n",
2028                     sp->handle, sp->fcport->d_id.b24, sp->u.iocb_cmd.u.tmf.flags,
2029                     sp->u.iocb_cmd.u.tmf.lun, sp->qpair->id);
2030
2031         sp->u.iocb_cmd.u.tmf.data = res;
2032         complete(&tmf->u.tmf.comp);
2033 }
2034
2035 #define  START_SP_W_RETRIES(_sp, _rval) \
2036 {\
2037         int cnt = 5; \
2038         do { \
2039                 _rval = qla2x00_start_sp(_sp); \
2040                 if (_rval == EAGAIN) \
2041                         msleep(1); \
2042                 else \
2043                         break; \
2044                 cnt--; \
2045         } while (cnt); \
2046 }
2047
2048 /**
2049  * qla26xx_marker: send marker IOCB and wait for the completion of it.
2050  * @arg: pointer to argument list.
2051  *    It is assume caller will provide an fcport pointer and modifier
2052  */
2053 static int
2054 qla26xx_marker(struct tmf_arg *arg)
2055 {
2056         struct scsi_qla_host *vha = arg->vha;
2057         struct srb_iocb *tm_iocb;
2058         srb_t *sp;
2059         int rval = QLA_FUNCTION_FAILED;
2060         fc_port_t *fcport = arg->fcport;
2061
2062         if (TMF_NOT_READY(arg->fcport)) {
2063                 ql_dbg(ql_dbg_taskm, vha, 0x8039,
2064                     "FC port not ready for marker loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d.\n",
2065                     fcport->loop_id, fcport->d_id.b24,
2066                     arg->modifier, arg->lun, arg->qpair->id);
2067                 return QLA_SUSPENDED;
2068         }
2069
2070         /* ref: INIT */
2071         sp = qla2xxx_get_qpair_sp(vha, arg->qpair, fcport, GFP_KERNEL);
2072         if (!sp)
2073                 goto done;
2074
2075         sp->type = SRB_MARKER;
2076         sp->name = "marker";
2077         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha), qla_marker_sp_done);
2078         sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout;
2079
2080         tm_iocb = &sp->u.iocb_cmd;
2081         init_completion(&tm_iocb->u.tmf.comp);
2082         tm_iocb->u.tmf.modifier = arg->modifier;
2083         tm_iocb->u.tmf.lun = arg->lun;
2084         tm_iocb->u.tmf.loop_id = fcport->loop_id;
2085         tm_iocb->u.tmf.vp_index = vha->vp_idx;
2086
2087         START_SP_W_RETRIES(sp, rval);
2088
2089         ql_dbg(ql_dbg_taskm, vha, 0x8006,
2090             "Async-marker hdl=%x loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d rval %d.\n",
2091             sp->handle, fcport->loop_id, fcport->d_id.b24,
2092             arg->modifier, arg->lun, sp->qpair->id, rval);
2093
2094         if (rval != QLA_SUCCESS) {
2095                 ql_log(ql_log_warn, vha, 0x8031,
2096                     "Marker IOCB send failure (%x).\n", rval);
2097                 goto done_free_sp;
2098         }
2099
2100         wait_for_completion(&tm_iocb->u.tmf.comp);
2101         rval = tm_iocb->u.tmf.data;
2102
2103         if (rval != QLA_SUCCESS) {
2104                 ql_log(ql_log_warn, vha, 0x8019,
2105                     "Marker failed hdl=%x loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d rval %d.\n",
2106                     sp->handle, fcport->loop_id, fcport->d_id.b24,
2107                     arg->modifier, arg->lun, sp->qpair->id, rval);
2108         }
2109
2110 done_free_sp:
2111         /* ref: INIT */
2112         kref_put(&sp->cmd_kref, qla2x00_sp_release);
2113 done:
2114         return rval;
2115 }
2116
2117 static void qla2x00_tmf_sp_done(srb_t *sp, int res)
2118 {
2119         struct srb_iocb *tmf = &sp->u.iocb_cmd;
2120
2121         if (res)
2122                 tmf->u.tmf.data = res;
2123         complete(&tmf->u.tmf.comp);
2124 }
2125
2126 static int
2127 __qla2x00_async_tm_cmd(struct tmf_arg *arg)
2128 {
2129         struct scsi_qla_host *vha = arg->vha;
2130         struct srb_iocb *tm_iocb;
2131         srb_t *sp;
2132         int rval = QLA_FUNCTION_FAILED;
2133
2134         fc_port_t *fcport = arg->fcport;
2135
2136         if (TMF_NOT_READY(arg->fcport)) {
2137                 ql_dbg(ql_dbg_taskm, vha, 0x8032,
2138                     "FC port not ready for TM command loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d.\n",
2139                     fcport->loop_id, fcport->d_id.b24,
2140                     arg->modifier, arg->lun, arg->qpair->id);
2141                 return QLA_SUSPENDED;
2142         }
2143
2144         /* ref: INIT */
2145         sp = qla2xxx_get_qpair_sp(vha, arg->qpair, fcport, GFP_KERNEL);
2146         if (!sp)
2147                 goto done;
2148
2149         qla_vha_mark_busy(vha);
2150         sp->type = SRB_TM_CMD;
2151         sp->name = "tmf";
2152         qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha),
2153                               qla2x00_tmf_sp_done);
2154         sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout;
2155
2156         tm_iocb = &sp->u.iocb_cmd;
2157         init_completion(&tm_iocb->u.tmf.comp);
2158         tm_iocb->u.tmf.flags = arg->flags;
2159         tm_iocb->u.tmf.lun = arg->lun;
2160
2161         START_SP_W_RETRIES(sp, rval);
2162
2163         ql_dbg(ql_dbg_taskm, vha, 0x802f,
2164             "Async-tmf hdl=%x loop-id=%x portid=%06x ctrl=%x lun=%lld qp=%d rval=%x.\n",
2165             sp->handle, fcport->loop_id, fcport->d_id.b24,
2166             arg->flags, arg->lun, sp->qpair->id, rval);
2167
2168         if (rval != QLA_SUCCESS)
2169                 goto done_free_sp;
2170         wait_for_completion(&tm_iocb->u.tmf.comp);
2171
2172         rval = tm_iocb->u.tmf.data;
2173
2174         if (rval != QLA_SUCCESS) {
2175                 ql_log(ql_log_warn, vha, 0x8030,
2176                     "TM IOCB failed (%x).\n", rval);
2177         }
2178
2179         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw))
2180                 rval = qla26xx_marker(arg);
2181
2182 done_free_sp:
2183         /* ref: INIT */
2184         kref_put(&sp->cmd_kref, qla2x00_sp_release);
2185 done:
2186         return rval;
2187 }
2188
2189 static void qla_put_tmf(fc_port_t *fcport)
2190 {
2191         struct scsi_qla_host *vha = fcport->vha;
2192         struct qla_hw_data *ha = vha->hw;
2193         unsigned long flags;
2194
2195         spin_lock_irqsave(&ha->tgt.sess_lock, flags);
2196         fcport->active_tmf--;
2197         spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
2198 }
2199
2200 static
2201 int qla_get_tmf(fc_port_t *fcport)
2202 {
2203         struct scsi_qla_host *vha = fcport->vha;
2204         struct qla_hw_data *ha = vha->hw;
2205         unsigned long flags;
2206         int rc = 0;
2207         LIST_HEAD(tmf_elem);
2208
2209         spin_lock_irqsave(&ha->tgt.sess_lock, flags);
2210         list_add_tail(&tmf_elem, &fcport->tmf_pending);
2211
2212         while (fcport->active_tmf >= MAX_ACTIVE_TMF) {
2213                 spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
2214
2215                 msleep(1);
2216
2217                 spin_lock_irqsave(&ha->tgt.sess_lock, flags);
2218                 if (TMF_NOT_READY(fcport)) {
2219                         ql_log(ql_log_warn, vha, 0x802c,
2220                             "Unable to acquire TM resource due to disruption.\n");
2221                         rc = EIO;
2222                         break;
2223                 }
2224                 if (fcport->active_tmf < MAX_ACTIVE_TMF &&
2225                     list_is_first(&tmf_elem, &fcport->tmf_pending))
2226                         break;
2227         }
2228
2229         list_del(&tmf_elem);
2230
2231         if (!rc)
2232                 fcport->active_tmf++;
2233
2234         spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
2235
2236         return rc;
2237 }
2238
2239 int
2240 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint64_t lun,
2241                      uint32_t tag)
2242 {
2243         struct scsi_qla_host *vha = fcport->vha;
2244         struct qla_qpair *qpair;
2245         struct tmf_arg a;
2246         int i, rval = QLA_SUCCESS;
2247
2248         if (TMF_NOT_READY(fcport))
2249                 return QLA_SUSPENDED;
2250
2251         a.vha = fcport->vha;
2252         a.fcport = fcport;
2253         a.lun = lun;
2254         if (flags & (TCF_LUN_RESET|TCF_ABORT_TASK_SET|TCF_CLEAR_TASK_SET|TCF_CLEAR_ACA)) {
2255                 a.modifier = MK_SYNC_ID_LUN;
2256
2257                 if (qla_get_tmf(fcport))
2258                         return QLA_FUNCTION_FAILED;
2259         } else {
2260                 a.modifier = MK_SYNC_ID;
2261         }
2262
2263         if (vha->hw->mqenable) {
2264                 for (i = 0; i < vha->hw->num_qpairs; i++) {
2265                         qpair = vha->hw->queue_pair_map[i];
2266                         if (!qpair)
2267                                 continue;
2268
2269                         if (TMF_NOT_READY(fcport)) {
2270                                 ql_log(ql_log_warn, vha, 0x8026,
2271                                     "Unable to send TM due to disruption.\n");
2272                                 rval = QLA_SUSPENDED;
2273                                 break;
2274                         }
2275
2276                         a.qpair = qpair;
2277                         a.flags = flags|TCF_NOTMCMD_TO_TARGET;
2278                         rval = __qla2x00_async_tm_cmd(&a);
2279                         if (rval)
2280                                 break;
2281                 }
2282         }
2283
2284         if (rval)
2285                 goto bailout;
2286
2287         a.qpair = vha->hw->base_qpair;
2288         a.flags = flags;
2289         rval = __qla2x00_async_tm_cmd(&a);
2290
2291 bailout:
2292         if (a.modifier == MK_SYNC_ID_LUN)
2293                 qla_put_tmf(fcport);
2294
2295         return rval;
2296 }
2297
2298 int
2299 qla24xx_async_abort_command(srb_t *sp)
2300 {
2301         unsigned long   flags = 0;
2302
2303         uint32_t        handle;
2304         fc_port_t       *fcport = sp->fcport;
2305         struct qla_qpair *qpair = sp->qpair;
2306         struct scsi_qla_host *vha = fcport->vha;
2307         struct req_que *req = qpair->req;
2308
2309         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
2310         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
2311                 if (req->outstanding_cmds[handle] == sp)
2312                         break;
2313         }
2314         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
2315
2316         if (handle == req->num_outstanding_cmds) {
2317                 /* Command not found. */
2318                 return QLA_ERR_NOT_FOUND;
2319         }
2320         if (sp->type == SRB_FXIOCB_DCMD)
2321                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
2322                     FXDISC_ABORT_IOCTL);
2323
2324         return qla24xx_async_abort_cmd(sp, true);
2325 }
2326
2327 static void
2328 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
2329 {
2330         struct srb *sp;
2331         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
2332                   ea->data[0]);
2333
2334         switch (ea->data[0]) {
2335         case MBS_COMMAND_COMPLETE:
2336                 ql_dbg(ql_dbg_disc, vha, 0x2118,
2337                     "%s %d %8phC post gpdb\n",
2338                     __func__, __LINE__, ea->fcport->port_name);
2339
2340                 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2341                 ea->fcport->logout_on_delete = 1;
2342                 ea->fcport->nvme_prli_service_param = ea->iop[0];
2343                 if (ea->iop[0] & NVME_PRLI_SP_FIRST_BURST)
2344                         ea->fcport->nvme_first_burst_size =
2345                             (ea->iop[1] & 0xffff) * 512;
2346                 else
2347                         ea->fcport->nvme_first_burst_size = 0;
2348                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2349                 break;
2350         default:
2351                 sp = ea->sp;
2352                 ql_dbg(ql_dbg_disc, vha, 0x2118,
2353                        "%s %d %8phC priority %s, fc4type %x prev try %s\n",
2354                        __func__, __LINE__, ea->fcport->port_name,
2355                        vha->hw->fc4_type_priority == FC4_PRIORITY_FCP ?
2356                        "FCP" : "NVMe", ea->fcport->fc4_type,
2357                        (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI) ?
2358                         "NVME" : "FCP");
2359
2360                 if (NVME_FCP_TARGET(ea->fcport)) {
2361                         if (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI)
2362                                 ea->fcport->do_prli_nvme = 0;
2363                         else
2364                                 ea->fcport->do_prli_nvme = 1;
2365                 } else {
2366                         ea->fcport->do_prli_nvme = 0;
2367                 }
2368
2369                 if (N2N_TOPO(vha->hw)) {
2370                         if (ea->fcport->n2n_link_reset_cnt ==
2371                             vha->hw->login_retry_count &&
2372                             ea->fcport->flags & FCF_FCSP_DEVICE) {
2373                                 /* remote authentication app just started */
2374                                 ea->fcport->n2n_link_reset_cnt = 0;
2375                         }
2376
2377                         if (ea->fcport->n2n_link_reset_cnt <
2378                             vha->hw->login_retry_count) {
2379                                 ea->fcport->n2n_link_reset_cnt++;
2380                                 vha->relogin_jif = jiffies + 2 * HZ;
2381                                 /*
2382                                  * PRLI failed. Reset link to kick start
2383                                  * state machine
2384                                  */
2385                                 set_bit(N2N_LINK_RESET, &vha->dpc_flags);
2386                                 qla2xxx_wake_dpc(vha);
2387                         } else {
2388                                 ql_log(ql_log_warn, vha, 0x2119,
2389                                        "%s %d %8phC Unable to reconnect\n",
2390                                        __func__, __LINE__,
2391                                        ea->fcport->port_name);
2392                         }
2393                 } else {
2394                         /*
2395                          * switch connect. login failed. Take connection down
2396                          * and allow relogin to retrigger
2397                          */
2398                         ea->fcport->flags &= ~FCF_ASYNC_SENT;
2399                         ea->fcport->keep_nport_handle = 0;
2400                         ea->fcport->logout_on_delete = 1;
2401                         qlt_schedule_sess_for_deletion(ea->fcport);
2402                 }
2403                 break;
2404         }
2405 }
2406
2407 void
2408 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
2409 {
2410         port_id_t cid;  /* conflict Nport id */
2411         u16 lid;
2412         struct fc_port *conflict_fcport;
2413         unsigned long flags;
2414         struct fc_port *fcport = ea->fcport;
2415
2416         ql_dbg(ql_dbg_disc, vha, 0xffff,
2417             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
2418             __func__, fcport->port_name, fcport->disc_state,
2419             fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
2420             ea->sp->gen1, fcport->rscn_gen,
2421             ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
2422
2423         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
2424             (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
2425                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
2426                     "%s %d %8phC Remote is trying to login\n",
2427                     __func__, __LINE__, fcport->port_name);
2428                 return;
2429         }
2430
2431         if ((fcport->disc_state == DSC_DELETE_PEND) ||
2432             (fcport->disc_state == DSC_DELETED)) {
2433                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2434                 return;
2435         }
2436
2437         if (ea->sp->gen2 != fcport->login_gen) {
2438                 /* target side must have changed it. */
2439                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
2440                     "%s %8phC generation changed\n",
2441                     __func__, fcport->port_name);
2442                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2443                 return;
2444         } else if (ea->sp->gen1 != fcport->rscn_gen) {
2445                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
2446                     "%s %8phC RSCN generation changed\n",
2447                     __func__, fcport->port_name);
2448                 qla_rscn_replay(fcport);
2449                 qlt_schedule_sess_for_deletion(fcport);
2450                 return;
2451         }
2452
2453         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
2454                   ea->data[0]);
2455
2456         switch (ea->data[0]) {
2457         case MBS_COMMAND_COMPLETE:
2458                 /*
2459                  * Driver must validate login state - If PRLI not complete,
2460                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
2461                  * requests.
2462                  */
2463                 if (vha->hw->flags.edif_enabled) {
2464                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2465                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2466                         ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2467                         ea->fcport->logout_on_delete = 1;
2468                         ea->fcport->send_els_logo = 0;
2469                         ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
2470                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2471
2472                         qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2473                 } else {
2474                         if (NVME_TARGET(vha->hw, fcport)) {
2475                                 ql_dbg(ql_dbg_disc, vha, 0x2117,
2476                                     "%s %d %8phC post prli\n",
2477                                     __func__, __LINE__, fcport->port_name);
2478                                 qla24xx_post_prli_work(vha, fcport);
2479                         } else {
2480                                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
2481                                     "%s %d %8phC LoopID 0x%x in use with %06x. post gpdb\n",
2482                                     __func__, __LINE__, fcport->port_name,
2483                                     fcport->loop_id, fcport->d_id.b24);
2484
2485                                 set_bit(fcport->loop_id, vha->hw->loop_id_map);
2486                                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2487                                 fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2488                                 fcport->logout_on_delete = 1;
2489                                 fcport->send_els_logo = 0;
2490                                 fcport->fw_login_state = DSC_LS_PRLI_COMP;
2491                                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2492
2493                                 qla24xx_post_gpdb_work(vha, fcport, 0);
2494                         }
2495                 }
2496                 break;
2497         case MBS_COMMAND_ERROR:
2498                 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
2499                     __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
2500
2501                 qlt_schedule_sess_for_deletion(ea->fcport);
2502                 break;
2503         case MBS_LOOP_ID_USED:
2504                 /* data[1] = IO PARAM 1 = nport ID  */
2505                 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
2506                 cid.b.area   = (ea->iop[1] >>  8) & 0xff;
2507                 cid.b.al_pa  = ea->iop[1] & 0xff;
2508                 cid.b.rsvd_1 = 0;
2509
2510                 ql_dbg(ql_dbg_disc, vha, 0x20ec,
2511                     "%s %d %8phC lid %#x in use with pid %06x post gnl\n",
2512                     __func__, __LINE__, ea->fcport->port_name,
2513                     ea->fcport->loop_id, cid.b24);
2514
2515                 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2516                 ea->fcport->loop_id = FC_NO_LOOP_ID;
2517                 qla24xx_post_gnl_work(vha, ea->fcport);
2518                 break;
2519         case MBS_PORT_ID_USED:
2520                 lid = ea->iop[1] & 0xffff;
2521                 qlt_find_sess_invalidate_other(vha,
2522                     wwn_to_u64(ea->fcport->port_name),
2523                     ea->fcport->d_id, lid, &conflict_fcport);
2524
2525                 if (conflict_fcport) {
2526                         /*
2527                          * Another fcport share the same loop_id/nport id.
2528                          * Conflict fcport needs to finish cleanup before this
2529                          * fcport can proceed to login.
2530                          */
2531                         conflict_fcport->conflict = ea->fcport;
2532                         ea->fcport->login_pause = 1;
2533
2534                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2535                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x.\n",
2536                             __func__, __LINE__, ea->fcport->port_name,
2537                             ea->fcport->d_id.b24, lid);
2538                 } else {
2539                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2540                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
2541                             __func__, __LINE__, ea->fcport->port_name,
2542                             ea->fcport->d_id.b24, lid);
2543
2544                         qla2x00_clear_loop_id(ea->fcport);
2545                         set_bit(lid, vha->hw->loop_id_map);
2546                         ea->fcport->loop_id = lid;
2547                         ea->fcport->keep_nport_handle = 0;
2548                         ea->fcport->logout_on_delete = 1;
2549                         qlt_schedule_sess_for_deletion(ea->fcport);
2550                 }
2551                 break;
2552         }
2553         return;
2554 }
2555
2556 /****************************************************************************/
2557 /*                QLogic ISP2x00 Hardware Support Functions.                */
2558 /****************************************************************************/
2559
2560 static int
2561 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
2562 {
2563         int rval = QLA_SUCCESS;
2564         struct qla_hw_data *ha = vha->hw;
2565         uint32_t idc_major_ver, idc_minor_ver;
2566         uint16_t config[4];
2567
2568         qla83xx_idc_lock(vha, 0);
2569
2570         /* SV: TODO: Assign initialization timeout from
2571          * flash-info / other param
2572          */
2573         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
2574         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
2575
2576         /* Set our fcoe function presence */
2577         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
2578                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
2579                     "Error while setting DRV-Presence.\n");
2580                 rval = QLA_FUNCTION_FAILED;
2581                 goto exit;
2582         }
2583
2584         /* Decide the reset ownership */
2585         qla83xx_reset_ownership(vha);
2586
2587         /*
2588          * On first protocol driver load:
2589          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
2590          * register.
2591          * Others: Check compatibility with current IDC Major version.
2592          */
2593         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
2594         if (ha->flags.nic_core_reset_owner) {
2595                 /* Set IDC Major version */
2596                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
2597                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
2598
2599                 /* Clearing IDC-Lock-Recovery register */
2600                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
2601         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
2602                 /*
2603                  * Clear further IDC participation if we are not compatible with
2604                  * the current IDC Major Version.
2605                  */
2606                 ql_log(ql_log_warn, vha, 0xb07d,
2607                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
2608                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
2609                 __qla83xx_clear_drv_presence(vha);
2610                 rval = QLA_FUNCTION_FAILED;
2611                 goto exit;
2612         }
2613         /* Each function sets its supported Minor version. */
2614         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
2615         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
2616         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
2617
2618         if (ha->flags.nic_core_reset_owner) {
2619                 memset(config, 0, sizeof(config));
2620                 if (!qla81xx_get_port_config(vha, config))
2621                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
2622                             QLA8XXX_DEV_READY);
2623         }
2624
2625         rval = qla83xx_idc_state_handler(vha);
2626
2627 exit:
2628         qla83xx_idc_unlock(vha, 0);
2629
2630         return rval;
2631 }
2632
2633 /*
2634 * qla2x00_initialize_adapter
2635 *      Initialize board.
2636 *
2637 * Input:
2638 *      ha = adapter block pointer.
2639 *
2640 * Returns:
2641 *      0 = success
2642 */
2643 int
2644 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
2645 {
2646         int     rval;
2647         struct qla_hw_data *ha = vha->hw;
2648         struct req_que *req = ha->req_q_map[0];
2649         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2650
2651         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2652         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2653
2654         /* Clear adapter flags. */
2655         vha->flags.online = 0;
2656         ha->flags.chip_reset_done = 0;
2657         vha->flags.reset_active = 0;
2658         ha->flags.pci_channel_io_perm_failure = 0;
2659         ha->flags.eeh_busy = 0;
2660         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2661         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2662         atomic_set(&vha->loop_state, LOOP_DOWN);
2663         vha->device_flags = DFLG_NO_CABLE;
2664         vha->dpc_flags = 0;
2665         vha->flags.management_server_logged_in = 0;
2666         vha->marker_needed = 0;
2667         ha->isp_abort_cnt = 0;
2668         ha->beacon_blink_led = 0;
2669
2670         set_bit(0, ha->req_qid_map);
2671         set_bit(0, ha->rsp_qid_map);
2672
2673         ql_dbg(ql_dbg_init, vha, 0x0040,
2674             "Configuring PCI space...\n");
2675         rval = ha->isp_ops->pci_config(vha);
2676         if (rval) {
2677                 ql_log(ql_log_warn, vha, 0x0044,
2678                     "Unable to configure PCI space.\n");
2679                 return (rval);
2680         }
2681
2682         ha->isp_ops->reset_chip(vha);
2683
2684         /* Check for secure flash support */
2685         if (IS_QLA28XX(ha)) {
2686                 if (rd_reg_word(&reg->mailbox12) & BIT_0)
2687                         ha->flags.secure_adapter = 1;
2688                 ql_log(ql_log_info, vha, 0xffff, "Secure Adapter: %s\n",
2689                     (ha->flags.secure_adapter) ? "Yes" : "No");
2690         }
2691
2692
2693         rval = qla2xxx_get_flash_info(vha);
2694         if (rval) {
2695                 ql_log(ql_log_fatal, vha, 0x004f,
2696                     "Unable to validate FLASH data.\n");
2697                 return rval;
2698         }
2699
2700         if (IS_QLA8044(ha)) {
2701                 qla8044_read_reset_template(vha);
2702
2703                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
2704                  * If DONRESET_BIT0 is set, drivers should not set dev_state
2705                  * to NEED_RESET. But if NEED_RESET is set, drivers should
2706                  * should honor the reset. */
2707                 if (ql2xdontresethba == 1)
2708                         qla8044_set_idc_dontreset(vha);
2709         }
2710
2711         ha->isp_ops->get_flash_version(vha, req->ring);
2712         ql_dbg(ql_dbg_init, vha, 0x0061,
2713             "Configure NVRAM parameters...\n");
2714
2715         /* Let priority default to FCP, can be overridden by nvram_config */
2716         ha->fc4_type_priority = FC4_PRIORITY_FCP;
2717
2718         ha->isp_ops->nvram_config(vha);
2719
2720         if (ha->fc4_type_priority != FC4_PRIORITY_FCP &&
2721             ha->fc4_type_priority != FC4_PRIORITY_NVME)
2722                 ha->fc4_type_priority = FC4_PRIORITY_FCP;
2723
2724         ql_log(ql_log_info, vha, 0xffff, "FC4 priority set to %s\n",
2725                ha->fc4_type_priority == FC4_PRIORITY_FCP ? "FCP" : "NVMe");
2726
2727         if (ha->flags.disable_serdes) {
2728                 /* Mask HBA via NVRAM settings? */
2729                 ql_log(ql_log_info, vha, 0x0077,
2730                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
2731                 return QLA_FUNCTION_FAILED;
2732         }
2733
2734         ql_dbg(ql_dbg_init, vha, 0x0078,
2735             "Verifying loaded RISC code...\n");
2736
2737         /* If smartsan enabled then require fdmi and rdp enabled */
2738         if (ql2xsmartsan) {
2739                 ql2xfdmienable = 1;
2740                 ql2xrdpenable = 1;
2741         }
2742
2743         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
2744                 rval = ha->isp_ops->chip_diag(vha);
2745                 if (rval)
2746                         return (rval);
2747                 rval = qla2x00_setup_chip(vha);
2748                 if (rval)
2749                         return (rval);
2750         }
2751
2752         if (IS_QLA84XX(ha)) {
2753                 ha->cs84xx = qla84xx_get_chip(vha);
2754                 if (!ha->cs84xx) {
2755                         ql_log(ql_log_warn, vha, 0x00d0,
2756                             "Unable to configure ISP84XX.\n");
2757                         return QLA_FUNCTION_FAILED;
2758                 }
2759         }
2760
2761         if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2762                 rval = qla2x00_init_rings(vha);
2763
2764         /* No point in continuing if firmware initialization failed. */
2765         if (rval != QLA_SUCCESS)
2766                 return rval;
2767
2768         ha->flags.chip_reset_done = 1;
2769
2770         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2771                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
2772                 rval = qla84xx_init_chip(vha);
2773                 if (rval != QLA_SUCCESS) {
2774                         ql_log(ql_log_warn, vha, 0x00d4,
2775                             "Unable to initialize ISP84XX.\n");
2776                         qla84xx_put_chip(vha);
2777                 }
2778         }
2779
2780         /* Load the NIC Core f/w if we are the first protocol driver. */
2781         if (IS_QLA8031(ha)) {
2782                 rval = qla83xx_nic_core_fw_load(vha);
2783                 if (rval)
2784                         ql_log(ql_log_warn, vha, 0x0124,
2785                             "Error in initializing NIC Core f/w.\n");
2786         }
2787
2788         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
2789                 qla24xx_read_fcp_prio_cfg(vha);
2790
2791         if (IS_P3P_TYPE(ha))
2792                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
2793         else
2794                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
2795
2796         return (rval);
2797 }
2798
2799 /**
2800  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2801  * @vha: HA context
2802  *
2803  * Returns 0 on success.
2804  */
2805 int
2806 qla2100_pci_config(scsi_qla_host_t *vha)
2807 {
2808         uint16_t w;
2809         unsigned long flags;
2810         struct qla_hw_data *ha = vha->hw;
2811         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2812
2813         pci_set_master(ha->pdev);
2814         pci_try_set_mwi(ha->pdev);
2815
2816         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2817         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2818         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2819
2820         pci_disable_rom(ha->pdev);
2821
2822         /* Get PCI bus information. */
2823         spin_lock_irqsave(&ha->hardware_lock, flags);
2824         ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2825         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2826
2827         return QLA_SUCCESS;
2828 }
2829
2830 /**
2831  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2832  * @vha: HA context
2833  *
2834  * Returns 0 on success.
2835  */
2836 int
2837 qla2300_pci_config(scsi_qla_host_t *vha)
2838 {
2839         uint16_t        w;
2840         unsigned long   flags = 0;
2841         uint32_t        cnt;
2842         struct qla_hw_data *ha = vha->hw;
2843         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2844
2845         pci_set_master(ha->pdev);
2846         pci_try_set_mwi(ha->pdev);
2847
2848         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2849         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2850
2851         if (IS_QLA2322(ha) || IS_QLA6322(ha))
2852                 w &= ~PCI_COMMAND_INTX_DISABLE;
2853         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2854
2855         /*
2856          * If this is a 2300 card and not 2312, reset the
2857          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
2858          * the 2310 also reports itself as a 2300 so we need to get the
2859          * fb revision level -- a 6 indicates it really is a 2300 and
2860          * not a 2310.
2861          */
2862         if (IS_QLA2300(ha)) {
2863                 spin_lock_irqsave(&ha->hardware_lock, flags);
2864
2865                 /* Pause RISC. */
2866                 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2867                 for (cnt = 0; cnt < 30000; cnt++) {
2868                         if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2869                                 break;
2870
2871                         udelay(10);
2872                 }
2873
2874                 /* Select FPM registers. */
2875                 wrt_reg_word(&reg->ctrl_status, 0x20);
2876                 rd_reg_word(&reg->ctrl_status);
2877
2878                 /* Get the fb rev level */
2879                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2880
2881                 if (ha->fb_rev == FPM_2300)
2882                         pci_clear_mwi(ha->pdev);
2883
2884                 /* Deselect FPM registers. */
2885                 wrt_reg_word(&reg->ctrl_status, 0x0);
2886                 rd_reg_word(&reg->ctrl_status);
2887
2888                 /* Release RISC module. */
2889                 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2890                 for (cnt = 0; cnt < 30000; cnt++) {
2891                         if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2892                                 break;
2893
2894                         udelay(10);
2895                 }
2896
2897                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2898         }
2899
2900         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2901
2902         pci_disable_rom(ha->pdev);
2903
2904         /* Get PCI bus information. */
2905         spin_lock_irqsave(&ha->hardware_lock, flags);
2906         ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2907         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2908
2909         return QLA_SUCCESS;
2910 }
2911
2912 /**
2913  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2914  * @vha: HA context
2915  *
2916  * Returns 0 on success.
2917  */
2918 int
2919 qla24xx_pci_config(scsi_qla_host_t *vha)
2920 {
2921         uint16_t w;
2922         unsigned long flags = 0;
2923         struct qla_hw_data *ha = vha->hw;
2924         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2925
2926         pci_set_master(ha->pdev);
2927         pci_try_set_mwi(ha->pdev);
2928
2929         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2930         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2931         w &= ~PCI_COMMAND_INTX_DISABLE;
2932         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2933
2934         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2935
2936         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
2937         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
2938                 pcix_set_mmrbc(ha->pdev, 2048);
2939
2940         /* PCIe -- adjust Maximum Read Request Size (2048). */
2941         if (pci_is_pcie(ha->pdev))
2942                 pcie_set_readrq(ha->pdev, 4096);
2943
2944         pci_disable_rom(ha->pdev);
2945
2946         ha->chip_revision = ha->pdev->revision;
2947
2948         /* Get PCI bus information. */
2949         spin_lock_irqsave(&ha->hardware_lock, flags);
2950         ha->pci_attr = rd_reg_dword(&reg->ctrl_status);
2951         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2952
2953         return QLA_SUCCESS;
2954 }
2955
2956 /**
2957  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
2958  * @vha: HA context
2959  *
2960  * Returns 0 on success.
2961  */
2962 int
2963 qla25xx_pci_config(scsi_qla_host_t *vha)
2964 {
2965         uint16_t w;
2966         struct qla_hw_data *ha = vha->hw;
2967
2968         pci_set_master(ha->pdev);
2969         pci_try_set_mwi(ha->pdev);
2970
2971         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2972         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2973         w &= ~PCI_COMMAND_INTX_DISABLE;
2974         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2975
2976         /* PCIe -- adjust Maximum Read Request Size (2048). */
2977         if (pci_is_pcie(ha->pdev))
2978                 pcie_set_readrq(ha->pdev, 4096);
2979
2980         pci_disable_rom(ha->pdev);
2981
2982         ha->chip_revision = ha->pdev->revision;
2983
2984         return QLA_SUCCESS;
2985 }
2986
2987 /**
2988  * qla2x00_isp_firmware() - Choose firmware image.
2989  * @vha: HA context
2990  *
2991  * Returns 0 on success.
2992  */
2993 static int
2994 qla2x00_isp_firmware(scsi_qla_host_t *vha)
2995 {
2996         int  rval;
2997         uint16_t loop_id, topo, sw_cap;
2998         uint8_t domain, area, al_pa;
2999         struct qla_hw_data *ha = vha->hw;
3000
3001         /* Assume loading risc code */
3002         rval = QLA_FUNCTION_FAILED;
3003
3004         if (ha->flags.disable_risc_code_load) {
3005                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
3006
3007                 /* Verify checksum of loaded RISC code. */
3008                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
3009                 if (rval == QLA_SUCCESS) {
3010                         /* And, verify we are not in ROM code. */
3011                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
3012                             &area, &domain, &topo, &sw_cap);
3013                 }
3014         }
3015
3016         if (rval)
3017                 ql_dbg(ql_dbg_init, vha, 0x007a,
3018                     "**** Load RISC code ****.\n");
3019
3020         return (rval);
3021 }
3022
3023 /**
3024  * qla2x00_reset_chip() - Reset ISP chip.
3025  * @vha: HA context
3026  *
3027  * Returns 0 on success.
3028  */
3029 int
3030 qla2x00_reset_chip(scsi_qla_host_t *vha)
3031 {
3032         unsigned long   flags = 0;
3033         struct qla_hw_data *ha = vha->hw;
3034         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3035         uint32_t        cnt;
3036         uint16_t        cmd;
3037         int rval = QLA_FUNCTION_FAILED;
3038
3039         if (unlikely(pci_channel_offline(ha->pdev)))
3040                 return rval;
3041
3042         ha->isp_ops->disable_intrs(ha);
3043
3044         spin_lock_irqsave(&ha->hardware_lock, flags);
3045
3046         /* Turn off master enable */
3047         cmd = 0;
3048         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
3049         cmd &= ~PCI_COMMAND_MASTER;
3050         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
3051
3052         if (!IS_QLA2100(ha)) {
3053                 /* Pause RISC. */
3054                 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
3055                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
3056                         for (cnt = 0; cnt < 30000; cnt++) {
3057                                 if ((rd_reg_word(&reg->hccr) &
3058                                     HCCR_RISC_PAUSE) != 0)
3059                                         break;
3060                                 udelay(100);
3061                         }
3062                 } else {
3063                         rd_reg_word(&reg->hccr);        /* PCI Posting. */
3064                         udelay(10);
3065                 }
3066
3067                 /* Select FPM registers. */
3068                 wrt_reg_word(&reg->ctrl_status, 0x20);
3069                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
3070
3071                 /* FPM Soft Reset. */
3072                 wrt_reg_word(&reg->fpm_diag_config, 0x100);
3073                 rd_reg_word(&reg->fpm_diag_config);     /* PCI Posting. */
3074
3075                 /* Toggle Fpm Reset. */
3076                 if (!IS_QLA2200(ha)) {
3077                         wrt_reg_word(&reg->fpm_diag_config, 0x0);
3078                         rd_reg_word(&reg->fpm_diag_config); /* PCI Posting. */
3079                 }
3080
3081                 /* Select frame buffer registers. */
3082                 wrt_reg_word(&reg->ctrl_status, 0x10);
3083                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
3084
3085                 /* Reset frame buffer FIFOs. */
3086                 if (IS_QLA2200(ha)) {
3087                         WRT_FB_CMD_REG(ha, reg, 0xa000);
3088                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
3089                 } else {
3090                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
3091
3092                         /* Read back fb_cmd until zero or 3 seconds max */
3093                         for (cnt = 0; cnt < 3000; cnt++) {
3094                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
3095                                         break;
3096                                 udelay(100);
3097                         }
3098                 }
3099
3100                 /* Select RISC module registers. */
3101                 wrt_reg_word(&reg->ctrl_status, 0);
3102                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
3103
3104                 /* Reset RISC processor. */
3105                 wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
3106                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
3107
3108                 /* Release RISC processor. */
3109                 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
3110                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
3111         }
3112
3113         wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
3114         wrt_reg_word(&reg->hccr, HCCR_CLR_HOST_INT);
3115
3116         /* Reset ISP chip. */
3117         wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
3118
3119         /* Wait for RISC to recover from reset. */
3120         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
3121                 /*
3122                  * It is necessary to for a delay here since the card doesn't
3123                  * respond to PCI reads during a reset. On some architectures
3124                  * this will result in an MCA.
3125                  */
3126                 udelay(20);
3127                 for (cnt = 30000; cnt; cnt--) {
3128                         if ((rd_reg_word(&reg->ctrl_status) &
3129                             CSR_ISP_SOFT_RESET) == 0)
3130                                 break;
3131                         udelay(100);
3132                 }
3133         } else
3134                 udelay(10);
3135
3136         /* Reset RISC processor. */
3137         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
3138
3139         wrt_reg_word(&reg->semaphore, 0);
3140
3141         /* Release RISC processor. */
3142         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
3143         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
3144
3145         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
3146                 for (cnt = 0; cnt < 30000; cnt++) {
3147                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
3148                                 break;
3149
3150                         udelay(100);
3151                 }
3152         } else
3153                 udelay(100);
3154
3155         /* Turn on master enable */
3156         cmd |= PCI_COMMAND_MASTER;
3157         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
3158
3159         /* Disable RISC pause on FPM parity error. */
3160         if (!IS_QLA2100(ha)) {
3161                 wrt_reg_word(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
3162                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
3163         }
3164
3165         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3166
3167         return QLA_SUCCESS;
3168 }
3169
3170 /**
3171  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
3172  * @vha: HA context
3173  *
3174  * Returns 0 on success.
3175  */
3176 static int
3177 qla81xx_reset_mpi(scsi_qla_host_t *vha)
3178 {
3179         uint16_t mb[4] = {0x1010, 0, 1, 0};
3180
3181         if (!IS_QLA81XX(vha->hw))
3182                 return QLA_SUCCESS;
3183
3184         return qla81xx_write_mpi_register(vha, mb);
3185 }
3186
3187 static int
3188 qla_chk_risc_recovery(scsi_qla_host_t *vha)
3189 {
3190         struct qla_hw_data *ha = vha->hw;
3191         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3192         __le16 __iomem *mbptr = &reg->mailbox0;
3193         int i;
3194         u16 mb[32];
3195         int rc = QLA_SUCCESS;
3196
3197         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3198                 return rc;
3199
3200         /* this check is only valid after RISC reset */
3201         mb[0] = rd_reg_word(mbptr);
3202         mbptr++;
3203         if (mb[0] == 0xf) {
3204                 rc = QLA_FUNCTION_FAILED;
3205
3206                 for (i = 1; i < 32; i++) {
3207                         mb[i] = rd_reg_word(mbptr);
3208                         mbptr++;
3209                 }
3210
3211                 ql_log(ql_log_warn, vha, 0x1015,
3212                        "RISC reset failed. mb[0-7] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
3213                        mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6], mb[7]);
3214                 ql_log(ql_log_warn, vha, 0x1015,
3215                        "RISC reset failed. mb[8-15] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
3216                        mb[8], mb[9], mb[10], mb[11], mb[12], mb[13], mb[14],
3217                        mb[15]);
3218                 ql_log(ql_log_warn, vha, 0x1015,
3219                        "RISC reset failed. mb[16-23] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
3220                        mb[16], mb[17], mb[18], mb[19], mb[20], mb[21], mb[22],
3221                        mb[23]);
3222                 ql_log(ql_log_warn, vha, 0x1015,
3223                        "RISC reset failed. mb[24-31] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
3224                        mb[24], mb[25], mb[26], mb[27], mb[28], mb[29], mb[30],
3225                        mb[31]);
3226         }
3227         return rc;
3228 }
3229
3230 /**
3231  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
3232  * @vha: HA context
3233  *
3234  * Returns 0 on success.
3235  */
3236 static inline int
3237 qla24xx_reset_risc(scsi_qla_host_t *vha)
3238 {
3239         unsigned long flags = 0;
3240         struct qla_hw_data *ha = vha->hw;
3241         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3242         uint32_t cnt;
3243         uint16_t wd;
3244         static int abts_cnt; /* ISP abort retry counts */
3245         int rval = QLA_SUCCESS;
3246         int print = 1;
3247
3248         spin_lock_irqsave(&ha->hardware_lock, flags);
3249
3250         /* Reset RISC. */
3251         wrt_reg_dword(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
3252         for (cnt = 0; cnt < 30000; cnt++) {
3253                 if ((rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
3254                         break;
3255
3256                 udelay(10);
3257         }
3258
3259         if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
3260                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
3261
3262         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
3263             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
3264             rd_reg_dword(&reg->hccr),
3265             rd_reg_dword(&reg->ctrl_status),
3266             (rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
3267
3268         wrt_reg_dword(&reg->ctrl_status,
3269             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
3270         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
3271
3272         udelay(100);
3273
3274         /* Wait for firmware to complete NVRAM accesses. */
3275         rd_reg_word(&reg->mailbox0);
3276         for (cnt = 10000; rd_reg_word(&reg->mailbox0) != 0 &&
3277             rval == QLA_SUCCESS; cnt--) {
3278                 barrier();
3279                 if (cnt)
3280                         udelay(5);
3281                 else
3282                         rval = QLA_FUNCTION_TIMEOUT;
3283         }
3284
3285         if (rval == QLA_SUCCESS)
3286                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
3287
3288         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
3289             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
3290             rd_reg_dword(&reg->hccr),
3291             rd_reg_word(&reg->mailbox0));
3292
3293         /* Wait for soft-reset to complete. */
3294         rd_reg_dword(&reg->ctrl_status);
3295         for (cnt = 0; cnt < 60; cnt++) {
3296                 barrier();
3297                 if ((rd_reg_dword(&reg->ctrl_status) &
3298                     CSRX_ISP_SOFT_RESET) == 0)
3299                         break;
3300
3301                 udelay(5);
3302         }
3303         if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
3304                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
3305
3306         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
3307             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
3308             rd_reg_dword(&reg->hccr),
3309             rd_reg_dword(&reg->ctrl_status));
3310
3311         /* If required, do an MPI FW reset now */
3312         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
3313                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
3314                         if (++abts_cnt < 5) {
3315                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3316                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
3317                         } else {
3318                                 /*
3319                                  * We exhausted the ISP abort retries. We have to
3320                                  * set the board offline.
3321                                  */
3322                                 abts_cnt = 0;
3323                                 vha->flags.online = 0;
3324                         }
3325                 }
3326         }
3327
3328         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
3329         rd_reg_dword(&reg->hccr);
3330
3331         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3332         rd_reg_dword(&reg->hccr);
3333
3334         wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_RESET);
3335         mdelay(10);
3336         rd_reg_dword(&reg->hccr);
3337
3338         wd = rd_reg_word(&reg->mailbox0);
3339         for (cnt = 300; wd != 0 && rval == QLA_SUCCESS; cnt--) {
3340                 barrier();
3341                 if (cnt) {
3342                         mdelay(1);
3343                         if (print && qla_chk_risc_recovery(vha))
3344                                 print = 0;
3345
3346                         wd = rd_reg_word(&reg->mailbox0);
3347                 } else {
3348                         rval = QLA_FUNCTION_TIMEOUT;
3349
3350                         ql_log(ql_log_warn, vha, 0x015e,
3351                                "RISC reset timeout\n");
3352                 }
3353         }
3354
3355         if (rval == QLA_SUCCESS)
3356                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
3357
3358         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
3359             "Host Risc 0x%x, mailbox0 0x%x\n",
3360             rd_reg_dword(&reg->hccr),
3361              rd_reg_word(&reg->mailbox0));
3362
3363         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3364
3365         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
3366             "Driver in %s mode\n",
3367             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
3368
3369         if (IS_NOPOLLING_TYPE(ha))
3370                 ha->isp_ops->enable_intrs(ha);
3371
3372         return rval;
3373 }
3374
3375 static void
3376 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
3377 {
3378         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
3379
3380         wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
3381         *data = rd_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET);
3382 }
3383
3384 static void
3385 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
3386 {
3387         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
3388
3389         wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
3390         wrt_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET, data);
3391 }
3392
3393 static void
3394 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
3395 {
3396         uint32_t wd32 = 0;
3397         uint delta_msec = 100;
3398         uint elapsed_msec = 0;
3399         uint timeout_msec;
3400         ulong n;
3401
3402         if (vha->hw->pdev->subsystem_device != 0x0175 &&
3403             vha->hw->pdev->subsystem_device != 0x0240)
3404                 return;
3405
3406         wrt_reg_dword(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
3407         udelay(100);
3408
3409 attempt:
3410         timeout_msec = TIMEOUT_SEMAPHORE;
3411         n = timeout_msec / delta_msec;
3412         while (n--) {
3413                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
3414                 qla25xx_read_risc_sema_reg(vha, &wd32);
3415                 if (wd32 & RISC_SEMAPHORE)
3416                         break;
3417                 msleep(delta_msec);
3418                 elapsed_msec += delta_msec;
3419                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
3420                         goto force;
3421         }
3422
3423         if (!(wd32 & RISC_SEMAPHORE))
3424                 goto force;
3425
3426         if (!(wd32 & RISC_SEMAPHORE_FORCE))
3427                 goto acquired;
3428
3429         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
3430         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
3431         n = timeout_msec / delta_msec;
3432         while (n--) {
3433                 qla25xx_read_risc_sema_reg(vha, &wd32);
3434                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
3435                         break;
3436                 msleep(delta_msec);
3437                 elapsed_msec += delta_msec;
3438                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
3439                         goto force;
3440         }
3441
3442         if (wd32 & RISC_SEMAPHORE_FORCE)
3443                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
3444
3445         goto attempt;
3446
3447 force:
3448         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
3449
3450 acquired:
3451         return;
3452 }
3453
3454 /**
3455  * qla24xx_reset_chip() - Reset ISP24xx chip.
3456  * @vha: HA context
3457  *
3458  * Returns 0 on success.
3459  */
3460 int
3461 qla24xx_reset_chip(scsi_qla_host_t *vha)
3462 {
3463         struct qla_hw_data *ha = vha->hw;
3464         int rval = QLA_FUNCTION_FAILED;
3465
3466         if (pci_channel_offline(ha->pdev) &&
3467             ha->flags.pci_channel_io_perm_failure) {
3468                 return rval;
3469         }
3470
3471         ha->isp_ops->disable_intrs(ha);
3472
3473         qla25xx_manipulate_risc_semaphore(vha);
3474
3475         /* Perform RISC reset. */
3476         rval = qla24xx_reset_risc(vha);
3477
3478         return rval;
3479 }
3480
3481 /**
3482  * qla2x00_chip_diag() - Test chip for proper operation.
3483  * @vha: HA context
3484  *
3485  * Returns 0 on success.
3486  */
3487 int
3488 qla2x00_chip_diag(scsi_qla_host_t *vha)
3489 {
3490         int             rval;
3491         struct qla_hw_data *ha = vha->hw;
3492         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3493         unsigned long   flags = 0;
3494         uint16_t        data;
3495         uint32_t        cnt;
3496         uint16_t        mb[5];
3497         struct req_que *req = ha->req_q_map[0];
3498
3499         /* Assume a failed state */
3500         rval = QLA_FUNCTION_FAILED;
3501
3502         ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
3503                &reg->flash_address);
3504
3505         spin_lock_irqsave(&ha->hardware_lock, flags);
3506
3507         /* Reset ISP chip. */
3508         wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
3509
3510         /*
3511          * We need to have a delay here since the card will not respond while
3512          * in reset causing an MCA on some architectures.
3513          */
3514         udelay(20);
3515         data = qla2x00_debounce_register(&reg->ctrl_status);
3516         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
3517                 udelay(5);
3518                 data = rd_reg_word(&reg->ctrl_status);
3519                 barrier();
3520         }
3521
3522         if (!cnt)
3523                 goto chip_diag_failed;
3524
3525         ql_dbg(ql_dbg_init, vha, 0x007c,
3526             "Reset register cleared by chip reset.\n");
3527
3528         /* Reset RISC processor. */
3529         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
3530         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
3531
3532         /* Workaround for QLA2312 PCI parity error */
3533         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
3534                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
3535                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
3536                         udelay(5);
3537                         data = RD_MAILBOX_REG(ha, reg, 0);
3538                         barrier();
3539                 }
3540         } else
3541                 udelay(10);
3542
3543         if (!cnt)
3544                 goto chip_diag_failed;
3545
3546         /* Check product ID of chip */
3547         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
3548
3549         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
3550         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
3551         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
3552         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
3553         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
3554             mb[3] != PROD_ID_3) {
3555                 ql_log(ql_log_warn, vha, 0x0062,
3556                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
3557                     mb[1], mb[2], mb[3]);
3558
3559                 goto chip_diag_failed;
3560         }
3561         ha->product_id[0] = mb[1];
3562         ha->product_id[1] = mb[2];
3563         ha->product_id[2] = mb[3];
3564         ha->product_id[3] = mb[4];
3565
3566         /* Adjust fw RISC transfer size */
3567         if (req->length > 1024)
3568                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
3569         else
3570                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
3571                     req->length;
3572
3573         if (IS_QLA2200(ha) &&
3574             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
3575                 /* Limit firmware transfer size with a 2200A */
3576                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
3577
3578                 ha->device_type |= DT_ISP2200A;
3579                 ha->fw_transfer_size = 128;
3580         }
3581
3582         /* Wrap Incoming Mailboxes Test. */
3583         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3584
3585         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
3586         rval = qla2x00_mbx_reg_test(vha);
3587         if (rval)
3588                 ql_log(ql_log_warn, vha, 0x0080,
3589                     "Failed mailbox send register test.\n");
3590         else
3591                 /* Flag a successful rval */
3592                 rval = QLA_SUCCESS;
3593         spin_lock_irqsave(&ha->hardware_lock, flags);
3594
3595 chip_diag_failed:
3596         if (rval)
3597                 ql_log(ql_log_info, vha, 0x0081,
3598                     "Chip diagnostics **** FAILED ****.\n");
3599
3600         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3601
3602         return (rval);
3603 }
3604
3605 /**
3606  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
3607  * @vha: HA context
3608  *
3609  * Returns 0 on success.
3610  */
3611 int
3612 qla24xx_chip_diag(scsi_qla_host_t *vha)
3613 {
3614         int rval;
3615         struct qla_hw_data *ha = vha->hw;
3616         struct req_que *req = ha->req_q_map[0];
3617
3618         if (IS_P3P_TYPE(ha))
3619                 return QLA_SUCCESS;
3620
3621         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
3622
3623         rval = qla2x00_mbx_reg_test(vha);
3624         if (rval) {
3625                 ql_log(ql_log_warn, vha, 0x0082,
3626                     "Failed mailbox send register test.\n");
3627         } else {
3628                 /* Flag a successful rval */
3629                 rval = QLA_SUCCESS;
3630         }
3631
3632         return rval;
3633 }
3634
3635 static void
3636 qla2x00_init_fce_trace(scsi_qla_host_t *vha)
3637 {
3638         int rval;
3639         dma_addr_t tc_dma;
3640         void *tc;
3641         struct qla_hw_data *ha = vha->hw;
3642
3643         if (!IS_FWI2_CAPABLE(ha))
3644                 return;
3645
3646         if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3647             !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3648                 return;
3649
3650         if (ha->fce) {
3651                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3652                        "%s: FCE Mem is already allocated.\n",
3653                        __func__);
3654                 return;
3655         }
3656
3657         /* Allocate memory for Fibre Channel Event Buffer. */
3658         tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
3659                                 GFP_KERNEL);
3660         if (!tc) {
3661                 ql_log(ql_log_warn, vha, 0x00be,
3662                        "Unable to allocate (%d KB) for FCE.\n",
3663                        FCE_SIZE / 1024);
3664                 return;
3665         }
3666
3667         rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
3668                                         ha->fce_mb, &ha->fce_bufs);
3669         if (rval) {
3670                 ql_log(ql_log_warn, vha, 0x00bf,
3671                        "Unable to initialize FCE (%d).\n", rval);
3672                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, tc_dma);
3673                 return;
3674         }
3675
3676         ql_dbg(ql_dbg_init, vha, 0x00c0,
3677                "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
3678
3679         ha->flags.fce_enabled = 1;
3680         ha->fce_dma = tc_dma;
3681         ha->fce = tc;
3682 }
3683
3684 static void
3685 qla2x00_init_eft_trace(scsi_qla_host_t *vha)
3686 {
3687         int rval;
3688         dma_addr_t tc_dma;
3689         void *tc;
3690         struct qla_hw_data *ha = vha->hw;
3691
3692         if (!IS_FWI2_CAPABLE(ha))
3693                 return;
3694
3695         if (ha->eft) {
3696                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3697                     "%s: EFT Mem is already allocated.\n",
3698                     __func__);
3699                 return;
3700         }
3701
3702         /* Allocate memory for Extended Trace Buffer. */
3703         tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
3704                                 GFP_KERNEL);
3705         if (!tc) {
3706                 ql_log(ql_log_warn, vha, 0x00c1,
3707                        "Unable to allocate (%d KB) for EFT.\n",
3708                        EFT_SIZE / 1024);
3709                 return;
3710         }
3711
3712         rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
3713         if (rval) {
3714                 ql_log(ql_log_warn, vha, 0x00c2,
3715                        "Unable to initialize EFT (%d).\n", rval);
3716                 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, tc_dma);
3717                 return;
3718         }
3719
3720         ql_dbg(ql_dbg_init, vha, 0x00c3,
3721                "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3722
3723         ha->eft_dma = tc_dma;
3724         ha->eft = tc;
3725 }
3726
3727 static void
3728 qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
3729 {
3730         qla2x00_init_fce_trace(vha);
3731         qla2x00_init_eft_trace(vha);
3732 }
3733
3734 void
3735 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
3736 {
3737         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
3738             eft_size, fce_size, mq_size;
3739         struct qla_hw_data *ha = vha->hw;
3740         struct req_que *req = ha->req_q_map[0];
3741         struct rsp_que *rsp = ha->rsp_q_map[0];
3742         struct qla2xxx_fw_dump *fw_dump;
3743
3744         if (ha->fw_dump) {
3745                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3746                     "Firmware dump already allocated.\n");
3747                 return;
3748         }
3749
3750         ha->fw_dumped = 0;
3751         ha->fw_dump_cap_flags = 0;
3752         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
3753         req_q_size = rsp_q_size = 0;
3754
3755         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3756                 fixed_size = sizeof(struct qla2100_fw_dump);
3757         } else if (IS_QLA23XX(ha)) {
3758                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
3759                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
3760                     sizeof(uint16_t);
3761         } else if (IS_FWI2_CAPABLE(ha)) {
3762                 if (IS_QLA83XX(ha))
3763                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
3764                 else if (IS_QLA81XX(ha))
3765                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
3766                 else if (IS_QLA25XX(ha))
3767                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
3768                 else
3769                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
3770
3771                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
3772                     sizeof(uint32_t);
3773                 if (ha->mqenable) {
3774                         if (!IS_QLA83XX(ha))
3775                                 mq_size = sizeof(struct qla2xxx_mq_chain);
3776                         /*
3777                          * Allocate maximum buffer size for all queues - Q0.
3778                          * Resizing must be done at end-of-dump processing.
3779                          */
3780                         mq_size += (ha->max_req_queues - 1) *
3781                             (req->length * sizeof(request_t));
3782                         mq_size += (ha->max_rsp_queues - 1) *
3783                             (rsp->length * sizeof(response_t));
3784                 }
3785                 if (ha->tgt.atio_ring)
3786                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
3787
3788                 qla2x00_init_fce_trace(vha);
3789                 if (ha->fce)
3790                         fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
3791                 qla2x00_init_eft_trace(vha);
3792                 if (ha->eft)
3793                         eft_size = EFT_SIZE;
3794         }
3795
3796         if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3797                 struct fwdt *fwdt = ha->fwdt;
3798                 uint j;
3799
3800                 for (j = 0; j < 2; j++, fwdt++) {
3801                         if (!fwdt->template) {
3802                                 ql_dbg(ql_dbg_init, vha, 0x00ba,
3803                                     "-> fwdt%u no template\n", j);
3804                                 continue;
3805                         }
3806                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3807                             "-> fwdt%u calculating fwdump size...\n", j);
3808                         fwdt->dump_size = qla27xx_fwdt_calculate_dump_size(
3809                             vha, fwdt->template);
3810                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3811                             "-> fwdt%u calculated fwdump size = %#lx bytes\n",
3812                             j, fwdt->dump_size);
3813                         dump_size += fwdt->dump_size;
3814                 }
3815                 /* Add space for spare MPI fw dump. */
3816                 dump_size += ha->fwdt[1].dump_size;
3817         } else {
3818                 req_q_size = req->length * sizeof(request_t);
3819                 rsp_q_size = rsp->length * sizeof(response_t);
3820                 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
3821                 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size
3822                         + eft_size;
3823                 ha->chain_offset = dump_size;
3824                 dump_size += mq_size + fce_size;
3825                 if (ha->exchoffld_buf)
3826                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3827                                 ha->exchoffld_size;
3828                 if (ha->exlogin_buf)
3829                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3830                                 ha->exlogin_size;
3831         }
3832
3833         if (!ha->fw_dump_len || dump_size > ha->fw_dump_alloc_len) {
3834
3835                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3836                     "%s dump_size %d fw_dump_len %d fw_dump_alloc_len %d\n",
3837                     __func__, dump_size, ha->fw_dump_len,
3838                     ha->fw_dump_alloc_len);
3839
3840                 fw_dump = vmalloc(dump_size);
3841                 if (!fw_dump) {
3842                         ql_log(ql_log_warn, vha, 0x00c4,
3843                             "Unable to allocate (%d KB) for firmware dump.\n",
3844                             dump_size / 1024);
3845                 } else {
3846                         mutex_lock(&ha->optrom_mutex);
3847                         if (ha->fw_dumped) {
3848                                 memcpy(fw_dump, ha->fw_dump, ha->fw_dump_len);
3849                                 vfree(ha->fw_dump);
3850                                 ha->fw_dump = fw_dump;
3851                                 ha->fw_dump_alloc_len =  dump_size;
3852                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3853                                     "Re-Allocated (%d KB) and save firmware dump.\n",
3854                                     dump_size / 1024);
3855                         } else {
3856                                 vfree(ha->fw_dump);
3857                                 ha->fw_dump = fw_dump;
3858
3859                                 ha->fw_dump_len = ha->fw_dump_alloc_len =
3860                                     dump_size;
3861                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3862                                     "Allocated (%d KB) for firmware dump.\n",
3863                                     dump_size / 1024);
3864
3865                                 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3866                                         ha->mpi_fw_dump = (char *)fw_dump +
3867                                                 ha->fwdt[1].dump_size;
3868                                         mutex_unlock(&ha->optrom_mutex);
3869                                         return;
3870                                 }
3871
3872                                 ha->fw_dump->signature[0] = 'Q';
3873                                 ha->fw_dump->signature[1] = 'L';
3874                                 ha->fw_dump->signature[2] = 'G';
3875                                 ha->fw_dump->signature[3] = 'C';
3876                                 ha->fw_dump->version = htonl(1);
3877
3878                                 ha->fw_dump->fixed_size = htonl(fixed_size);
3879                                 ha->fw_dump->mem_size = htonl(mem_size);
3880                                 ha->fw_dump->req_q_size = htonl(req_q_size);
3881                                 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3882
3883                                 ha->fw_dump->eft_size = htonl(eft_size);
3884                                 ha->fw_dump->eft_addr_l =
3885                                     htonl(LSD(ha->eft_dma));
3886                                 ha->fw_dump->eft_addr_h =
3887                                     htonl(MSD(ha->eft_dma));
3888
3889                                 ha->fw_dump->header_size =
3890                                         htonl(offsetof
3891                                             (struct qla2xxx_fw_dump, isp));
3892                         }
3893                         mutex_unlock(&ha->optrom_mutex);
3894                 }
3895         }
3896 }
3897
3898 static int
3899 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3900 {
3901 #define MPS_MASK        0xe0
3902         int rval;
3903         uint16_t dc;
3904         uint32_t dw;
3905
3906         if (!IS_QLA81XX(vha->hw))
3907                 return QLA_SUCCESS;
3908
3909         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3910         if (rval != QLA_SUCCESS) {
3911                 ql_log(ql_log_warn, vha, 0x0105,
3912                     "Unable to acquire semaphore.\n");
3913                 goto done;
3914         }
3915
3916         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3917         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3918         if (rval != QLA_SUCCESS) {
3919                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3920                 goto done_release;
3921         }
3922
3923         dc &= MPS_MASK;
3924         if (dc == (dw & MPS_MASK))
3925                 goto done_release;
3926
3927         dw &= ~MPS_MASK;
3928         dw |= dc;
3929         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3930         if (rval != QLA_SUCCESS) {
3931                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3932         }
3933
3934 done_release:
3935         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3936         if (rval != QLA_SUCCESS) {
3937                 ql_log(ql_log_warn, vha, 0x006d,
3938                     "Unable to release semaphore.\n");
3939         }
3940
3941 done:
3942         return rval;
3943 }
3944
3945 int
3946 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3947 {
3948         /* Don't try to reallocate the array */
3949         if (req->outstanding_cmds)
3950                 return QLA_SUCCESS;
3951
3952         if (!IS_FWI2_CAPABLE(ha))
3953                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
3954         else {
3955                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
3956                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3957                 else
3958                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3959         }
3960
3961         req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3962                                         sizeof(srb_t *),
3963                                         GFP_KERNEL);
3964
3965         if (!req->outstanding_cmds) {
3966                 /*
3967                  * Try to allocate a minimal size just so we can get through
3968                  * initialization.
3969                  */
3970                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3971                 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3972                                                 sizeof(srb_t *),
3973                                                 GFP_KERNEL);
3974
3975                 if (!req->outstanding_cmds) {
3976                         ql_log(ql_log_fatal, NULL, 0x0126,
3977                             "Failed to allocate memory for "
3978                             "outstanding_cmds for req_que %p.\n", req);
3979                         req->num_outstanding_cmds = 0;
3980                         return QLA_FUNCTION_FAILED;
3981                 }
3982         }
3983
3984         return QLA_SUCCESS;
3985 }
3986
3987 #define PRINT_FIELD(_field, _flag, _str) {              \
3988         if (a0->_field & _flag) {\
3989                 if (p) {\
3990                         strcat(ptr, "|");\
3991                         ptr++;\
3992                         leftover--;\
3993                 } \
3994                 len = snprintf(ptr, leftover, "%s", _str);      \
3995                 p = 1;\
3996                 leftover -= len;\
3997                 ptr += len; \
3998         } \
3999 }
4000
4001 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
4002 {
4003 #define STR_LEN 64
4004         struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
4005         u8 str[STR_LEN], *ptr, p;
4006         int leftover, len;
4007
4008         memset(str, 0, STR_LEN);
4009         snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
4010         ql_dbg(ql_dbg_init, vha, 0x015a,
4011             "SFP MFG Name: %s\n", str);
4012
4013         memset(str, 0, STR_LEN);
4014         snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
4015         ql_dbg(ql_dbg_init, vha, 0x015c,
4016             "SFP Part Name: %s\n", str);
4017
4018         /* media */
4019         memset(str, 0, STR_LEN);
4020         ptr = str;
4021         leftover = STR_LEN;
4022         p = len = 0;
4023         PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
4024         PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
4025         PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
4026         PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
4027         PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
4028         PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
4029         PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
4030         ql_dbg(ql_dbg_init, vha, 0x0160,
4031             "SFP Media: %s\n", str);
4032
4033         /* link length */
4034         memset(str, 0, STR_LEN);
4035         ptr = str;
4036         leftover = STR_LEN;
4037         p = len = 0;
4038         PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
4039         PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
4040         PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
4041         PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
4042         PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
4043         ql_dbg(ql_dbg_init, vha, 0x0196,
4044             "SFP Link Length: %s\n", str);
4045
4046         memset(str, 0, STR_LEN);
4047         ptr = str;
4048         leftover = STR_LEN;
4049         p = len = 0;
4050         PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
4051         PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
4052         PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
4053         PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
4054         PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
4055         ql_dbg(ql_dbg_init, vha, 0x016e,
4056             "SFP FC Link Tech: %s\n", str);
4057
4058         if (a0->length_km)
4059                 ql_dbg(ql_dbg_init, vha, 0x016f,
4060                     "SFP Distant: %d km\n", a0->length_km);
4061         if (a0->length_100m)
4062                 ql_dbg(ql_dbg_init, vha, 0x0170,
4063                     "SFP Distant: %d m\n", a0->length_100m*100);
4064         if (a0->length_50um_10m)
4065                 ql_dbg(ql_dbg_init, vha, 0x0189,
4066                     "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
4067         if (a0->length_62um_10m)
4068                 ql_dbg(ql_dbg_init, vha, 0x018a,
4069                   "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
4070         if (a0->length_om4_10m)
4071                 ql_dbg(ql_dbg_init, vha, 0x0194,
4072                     "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
4073         if (a0->length_om3_10m)
4074                 ql_dbg(ql_dbg_init, vha, 0x0195,
4075                     "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
4076 }
4077
4078
4079 /**
4080  * qla24xx_detect_sfp()
4081  *
4082  * @vha: adapter state pointer.
4083  *
4084  * @return
4085  *      0 -- Configure firmware to use short-range settings -- normal
4086  *           buffer-to-buffer credits.
4087  *
4088  *      1 -- Configure firmware to use long-range settings -- extra
4089  *           buffer-to-buffer credits should be allocated with
4090  *           ha->lr_distance containing distance settings from NVRAM or SFP
4091  *           (if supported).
4092  */
4093 int
4094 qla24xx_detect_sfp(scsi_qla_host_t *vha)
4095 {
4096         int rc, used_nvram;
4097         struct sff_8247_a0 *a;
4098         struct qla_hw_data *ha = vha->hw;
4099         struct nvram_81xx *nv = ha->nvram;
4100 #define LR_DISTANCE_UNKNOWN     2
4101         static const char * const types[] = { "Short", "Long" };
4102         static const char * const lengths[] = { "(10km)", "(5km)", "" };
4103         u8 ll = 0;
4104
4105         /* Seed with NVRAM settings. */
4106         used_nvram = 0;
4107         ha->flags.lr_detected = 0;
4108         if (IS_BPM_RANGE_CAPABLE(ha) &&
4109             (nv->enhanced_features & NEF_LR_DIST_ENABLE)) {
4110                 used_nvram = 1;
4111                 ha->flags.lr_detected = 1;
4112                 ha->lr_distance =
4113                     (nv->enhanced_features >> LR_DIST_NV_POS)
4114                      & LR_DIST_NV_MASK;
4115         }
4116
4117         if (!IS_BPM_ENABLED(vha))
4118                 goto out;
4119         /* Determine SR/LR capabilities of SFP/Transceiver. */
4120         rc = qla2x00_read_sfp_dev(vha, NULL, 0);
4121         if (rc)
4122                 goto out;
4123
4124         used_nvram = 0;
4125         a = (struct sff_8247_a0 *)vha->hw->sfp_data;
4126         qla2xxx_print_sfp_info(vha);
4127
4128         ha->flags.lr_detected = 0;
4129         ll = a->fc_ll_cc7;
4130         if (ll & FC_LL_VL || ll & FC_LL_L) {
4131                 /* Long range, track length. */
4132                 ha->flags.lr_detected = 1;
4133
4134                 if (a->length_km > 5 || a->length_100m > 50)
4135                         ha->lr_distance = LR_DISTANCE_10K;
4136                 else
4137                         ha->lr_distance = LR_DISTANCE_5K;
4138         }
4139
4140 out:
4141         ql_dbg(ql_dbg_async, vha, 0x507b,
4142             "SFP detect: %s-Range SFP %s (nvr=%x ll=%x lr=%x lrd=%x).\n",
4143             types[ha->flags.lr_detected],
4144             ha->flags.lr_detected ? lengths[ha->lr_distance] :
4145                lengths[LR_DISTANCE_UNKNOWN],
4146             used_nvram, ll, ha->flags.lr_detected, ha->lr_distance);
4147         return ha->flags.lr_detected;
4148 }
4149
4150 void qla_init_iocb_limit(scsi_qla_host_t *vha)
4151 {
4152         u16 i, num_qps;
4153         u32 limit;
4154         struct qla_hw_data *ha = vha->hw;
4155
4156         num_qps = ha->num_qpairs + 1;
4157         limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100;
4158
4159         ha->base_qpair->fwres.iocbs_total = ha->orig_fw_iocb_count;
4160         ha->base_qpair->fwres.iocbs_limit = limit;
4161         ha->base_qpair->fwres.iocbs_qp_limit = limit / num_qps;
4162         ha->base_qpair->fwres.iocbs_used = 0;
4163
4164         ha->base_qpair->fwres.exch_total = ha->orig_fw_xcb_count;
4165         ha->base_qpair->fwres.exch_limit = (ha->orig_fw_xcb_count *
4166                                             QLA_IOCB_PCT_LIMIT) / 100;
4167         ha->base_qpair->fwres.exch_used  = 0;
4168
4169         for (i = 0; i < ha->max_qpairs; i++) {
4170                 if (ha->queue_pair_map[i])  {
4171                         ha->queue_pair_map[i]->fwres.iocbs_total =
4172                                 ha->orig_fw_iocb_count;
4173                         ha->queue_pair_map[i]->fwres.iocbs_limit = limit;
4174                         ha->queue_pair_map[i]->fwres.iocbs_qp_limit =
4175                                 limit / num_qps;
4176                         ha->queue_pair_map[i]->fwres.iocbs_used = 0;
4177                         ha->queue_pair_map[i]->fwres.exch_total = ha->orig_fw_xcb_count;
4178                         ha->queue_pair_map[i]->fwres.exch_limit =
4179                                 (ha->orig_fw_xcb_count * QLA_IOCB_PCT_LIMIT) / 100;
4180                         ha->queue_pair_map[i]->fwres.exch_used = 0;
4181                 }
4182         }
4183 }
4184
4185 /**
4186  * qla2x00_setup_chip() - Load and start RISC firmware.
4187  * @vha: HA context
4188  *
4189  * Returns 0 on success.
4190  */
4191 static int
4192 qla2x00_setup_chip(scsi_qla_host_t *vha)
4193 {
4194         int rval;
4195         uint32_t srisc_address = 0;
4196         struct qla_hw_data *ha = vha->hw;
4197         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4198         unsigned long flags;
4199         uint16_t fw_major_version;
4200         int done_once = 0;
4201
4202         if (IS_P3P_TYPE(ha)) {
4203                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
4204                 if (rval == QLA_SUCCESS) {
4205                         qla2x00_stop_firmware(vha);
4206                         goto enable_82xx_npiv;
4207                 } else
4208                         goto failed;
4209         }
4210
4211         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
4212                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
4213                 spin_lock_irqsave(&ha->hardware_lock, flags);
4214                 wrt_reg_word(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
4215                 rd_reg_word(&reg->hccr);
4216                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4217         }
4218
4219         qla81xx_mpi_sync(vha);
4220
4221 execute_fw_with_lr:
4222         /* Load firmware sequences */
4223         rval = ha->isp_ops->load_risc(vha, &srisc_address);
4224         if (rval == QLA_SUCCESS) {
4225                 ql_dbg(ql_dbg_init, vha, 0x00c9,
4226                     "Verifying Checksum of loaded RISC code.\n");
4227
4228                 rval = qla2x00_verify_checksum(vha, srisc_address);
4229                 if (rval == QLA_SUCCESS) {
4230                         /* Start firmware execution. */
4231                         ql_dbg(ql_dbg_init, vha, 0x00ca,
4232                             "Starting firmware.\n");
4233
4234                         if (ql2xexlogins)
4235                                 ha->flags.exlogins_enabled = 1;
4236
4237                         if (qla_is_exch_offld_enabled(vha))
4238                                 ha->flags.exchoffld_enabled = 1;
4239
4240                         rval = qla2x00_execute_fw(vha, srisc_address);
4241                         /* Retrieve firmware information. */
4242                         if (rval == QLA_SUCCESS) {
4243                                 /* Enable BPM support? */
4244                                 if (!done_once++ && qla24xx_detect_sfp(vha)) {
4245                                         ql_dbg(ql_dbg_init, vha, 0x00ca,
4246                                             "Re-starting firmware -- BPM.\n");
4247                                         /* Best-effort - re-init. */
4248                                         ha->isp_ops->reset_chip(vha);
4249                                         ha->isp_ops->chip_diag(vha);
4250                                         goto execute_fw_with_lr;
4251                                 }
4252
4253                                 if (IS_ZIO_THRESHOLD_CAPABLE(ha))
4254                                         qla27xx_set_zio_threshold(vha,
4255                                             ha->last_zio_threshold);
4256
4257                                 rval = qla2x00_set_exlogins_buffer(vha);
4258                                 if (rval != QLA_SUCCESS)
4259                                         goto failed;
4260
4261                                 rval = qla2x00_set_exchoffld_buffer(vha);
4262                                 if (rval != QLA_SUCCESS)
4263                                         goto failed;
4264
4265 enable_82xx_npiv:
4266                                 fw_major_version = ha->fw_major_version;
4267                                 if (IS_P3P_TYPE(ha))
4268                                         qla82xx_check_md_needed(vha);
4269                                 else
4270                                         rval = qla2x00_get_fw_version(vha);
4271                                 if (rval != QLA_SUCCESS)
4272                                         goto failed;
4273                                 ha->flags.npiv_supported = 0;
4274                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
4275                                          (ha->fw_attributes & BIT_2)) {
4276                                         ha->flags.npiv_supported = 1;
4277                                         if ((!ha->max_npiv_vports) ||
4278                                             ((ha->max_npiv_vports + 1) %
4279                                             MIN_MULTI_ID_FABRIC))
4280                                                 ha->max_npiv_vports =
4281                                                     MIN_MULTI_ID_FABRIC - 1;
4282                                 }
4283                                 qla2x00_get_resource_cnts(vha);
4284                                 qla_init_iocb_limit(vha);
4285
4286                                 /*
4287                                  * Allocate the array of outstanding commands
4288                                  * now that we know the firmware resources.
4289                                  */
4290                                 rval = qla2x00_alloc_outstanding_cmds(ha,
4291                                     vha->req);
4292                                 if (rval != QLA_SUCCESS)
4293                                         goto failed;
4294
4295                                 if (!fw_major_version && !(IS_P3P_TYPE(ha)))
4296                                         qla2x00_alloc_offload_mem(vha);
4297
4298                                 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
4299                                         qla2x00_alloc_fw_dump(vha);
4300
4301                         } else {
4302                                 goto failed;
4303                         }
4304                 } else {
4305                         ql_log(ql_log_fatal, vha, 0x00cd,
4306                             "ISP Firmware failed checksum.\n");
4307                         goto failed;
4308                 }
4309
4310                 /* Enable PUREX PASSTHRU */
4311                 if (ql2xrdpenable || ha->flags.scm_supported_f ||
4312                     ha->flags.edif_enabled)
4313                         qla25xx_set_els_cmds_supported(vha);
4314         } else
4315                 goto failed;
4316
4317         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
4318                 /* Enable proper parity. */
4319                 spin_lock_irqsave(&ha->hardware_lock, flags);
4320                 if (IS_QLA2300(ha))
4321                         /* SRAM parity */
4322                         wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
4323                 else
4324                         /* SRAM, Instruction RAM and GP RAM parity */
4325                         wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
4326                 rd_reg_word(&reg->hccr);
4327                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4328         }
4329
4330         if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
4331                 ha->flags.fac_supported = 1;
4332         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
4333                 uint32_t size;
4334
4335                 rval = qla81xx_fac_get_sector_size(vha, &size);
4336                 if (rval == QLA_SUCCESS) {
4337                         ha->flags.fac_supported = 1;
4338                         ha->fdt_block_size = size << 2;
4339                 } else {
4340                         ql_log(ql_log_warn, vha, 0x00ce,
4341                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
4342                             ha->fw_major_version, ha->fw_minor_version,
4343                             ha->fw_subminor_version);
4344
4345                         if (IS_QLA83XX(ha)) {
4346                                 ha->flags.fac_supported = 0;
4347                                 rval = QLA_SUCCESS;
4348                         }
4349                 }
4350         }
4351 failed:
4352         if (rval) {
4353                 ql_log(ql_log_fatal, vha, 0x00cf,
4354                     "Setup chip ****FAILED****.\n");
4355         }
4356
4357         return (rval);
4358 }
4359
4360 /**
4361  * qla2x00_init_response_q_entries() - Initializes response queue entries.
4362  * @rsp: response queue
4363  *
4364  * Beginning of request ring has initialization control block already built
4365  * by nvram config routine.
4366  *
4367  * Returns 0 on success.
4368  */
4369 void
4370 qla2x00_init_response_q_entries(struct rsp_que *rsp)
4371 {
4372         uint16_t cnt;
4373         response_t *pkt;
4374
4375         rsp->ring_ptr = rsp->ring;
4376         rsp->ring_index    = 0;
4377         rsp->status_srb = NULL;
4378         pkt = rsp->ring_ptr;
4379         for (cnt = 0; cnt < rsp->length; cnt++) {
4380                 pkt->signature = RESPONSE_PROCESSED;
4381                 pkt++;
4382         }
4383 }
4384
4385 /**
4386  * qla2x00_update_fw_options() - Read and process firmware options.
4387  * @vha: HA context
4388  *
4389  * Returns 0 on success.
4390  */
4391 void
4392 qla2x00_update_fw_options(scsi_qla_host_t *vha)
4393 {
4394         uint16_t swing, emphasis, tx_sens, rx_sens;
4395         struct qla_hw_data *ha = vha->hw;
4396
4397         memset(ha->fw_options, 0, sizeof(ha->fw_options));
4398         qla2x00_get_fw_options(vha, ha->fw_options);
4399
4400         if (IS_QLA2100(ha) || IS_QLA2200(ha))
4401                 return;
4402
4403         /* Serial Link options. */
4404         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
4405             "Serial link options.\n");
4406         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
4407             ha->fw_seriallink_options, sizeof(ha->fw_seriallink_options));
4408
4409         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
4410         if (ha->fw_seriallink_options[3] & BIT_2) {
4411                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
4412
4413                 /*  1G settings */
4414                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
4415                 emphasis = (ha->fw_seriallink_options[2] &
4416                     (BIT_4 | BIT_3)) >> 3;
4417                 tx_sens = ha->fw_seriallink_options[0] &
4418                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4419                 rx_sens = (ha->fw_seriallink_options[0] &
4420                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
4421                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
4422                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
4423                         if (rx_sens == 0x0)
4424                                 rx_sens = 0x3;
4425                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
4426                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
4427                         ha->fw_options[10] |= BIT_5 |
4428                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
4429                             (tx_sens & (BIT_1 | BIT_0));
4430
4431                 /*  2G settings */
4432                 swing = (ha->fw_seriallink_options[2] &
4433                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
4434                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
4435                 tx_sens = ha->fw_seriallink_options[1] &
4436                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4437                 rx_sens = (ha->fw_seriallink_options[1] &
4438                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
4439                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
4440                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
4441                         if (rx_sens == 0x0)
4442                                 rx_sens = 0x3;
4443                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
4444                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
4445                         ha->fw_options[11] |= BIT_5 |
4446                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
4447                             (tx_sens & (BIT_1 | BIT_0));
4448         }
4449
4450         /* FCP2 options. */
4451         /*  Return command IOCBs without waiting for an ABTS to complete. */
4452         ha->fw_options[3] |= BIT_13;
4453
4454         /* LED scheme. */
4455         if (ha->flags.enable_led_scheme)
4456                 ha->fw_options[2] |= BIT_12;
4457
4458         /* Detect ISP6312. */
4459         if (IS_QLA6312(ha))
4460                 ha->fw_options[2] |= BIT_13;
4461
4462         /* Set Retry FLOGI in case of P2P connection */
4463         if (ha->operating_mode == P2P) {
4464                 ha->fw_options[2] |= BIT_3;
4465                 ql_dbg(ql_dbg_disc, vha, 0x2100,
4466                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
4467                         __func__, ha->fw_options[2]);
4468         }
4469
4470         /* Update firmware options. */
4471         qla2x00_set_fw_options(vha, ha->fw_options);
4472 }
4473
4474 void
4475 qla24xx_update_fw_options(scsi_qla_host_t *vha)
4476 {
4477         int rval;
4478         struct qla_hw_data *ha = vha->hw;
4479
4480         if (IS_P3P_TYPE(ha))
4481                 return;
4482
4483         /*  Hold status IOCBs until ABTS response received. */
4484         if (ql2xfwholdabts)
4485                 ha->fw_options[3] |= BIT_12;
4486
4487         /* Set Retry FLOGI in case of P2P connection */
4488         if (ha->operating_mode == P2P) {
4489                 ha->fw_options[2] |= BIT_3;
4490                 ql_dbg(ql_dbg_disc, vha, 0x2101,
4491                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
4492                         __func__, ha->fw_options[2]);
4493         }
4494
4495         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
4496         if (ql2xmvasynctoatio && !ha->flags.edif_enabled &&
4497             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
4498                 if (qla_tgt_mode_enabled(vha) ||
4499                     qla_dual_mode_enabled(vha))
4500                         ha->fw_options[2] |= BIT_11;
4501                 else
4502                         ha->fw_options[2] &= ~BIT_11;
4503         }
4504
4505         if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4506             IS_QLA28XX(ha)) {
4507                 /*
4508                  * Tell FW to track each exchange to prevent
4509                  * driver from using stale exchange.
4510                  */
4511                 if (qla_tgt_mode_enabled(vha) ||
4512                     qla_dual_mode_enabled(vha))
4513                         ha->fw_options[2] |= BIT_4;
4514                 else
4515                         ha->fw_options[2] &= ~(BIT_4);
4516
4517                 /* Reserve 1/2 of emergency exchanges for ELS.*/
4518                 if (qla2xuseresexchforels)
4519                         ha->fw_options[2] |= BIT_8;
4520                 else
4521                         ha->fw_options[2] &= ~BIT_8;
4522
4523                 /*
4524                  * N2N: set Secure=1 for PLOGI ACC and
4525                  * fw shal not send PRLI after PLOGI Acc
4526                  */
4527                 if (ha->flags.edif_enabled &&
4528                     DBELL_ACTIVE(vha)) {
4529                         ha->fw_options[3] |= BIT_15;
4530                         ha->flags.n2n_fw_acc_sec = 1;
4531                 } else {
4532                         ha->fw_options[3] &= ~BIT_15;
4533                         ha->flags.n2n_fw_acc_sec = 0;
4534                 }
4535         }
4536
4537         if (ql2xrdpenable || ha->flags.scm_supported_f ||
4538             ha->flags.edif_enabled)
4539                 ha->fw_options[1] |= ADD_FO1_ENABLE_PUREX_IOCB;
4540
4541         /* Enable Async 8130/8131 events -- transceiver insertion/removal */
4542         if (IS_BPM_RANGE_CAPABLE(ha))
4543                 ha->fw_options[3] |= BIT_10;
4544
4545         ql_dbg(ql_dbg_init, vha, 0x00e8,
4546             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
4547             __func__, ha->fw_options[1], ha->fw_options[2],
4548             ha->fw_options[3], vha->host->active_mode);
4549
4550         if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
4551                 qla2x00_set_fw_options(vha, ha->fw_options);
4552
4553         /* Update Serial Link options. */
4554         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
4555                 return;
4556
4557         rval = qla2x00_set_serdes_params(vha,
4558             le16_to_cpu(ha->fw_seriallink_options24[1]),
4559             le16_to_cpu(ha->fw_seriallink_options24[2]),
4560             le16_to_cpu(ha->fw_seriallink_options24[3]));
4561         if (rval != QLA_SUCCESS) {
4562                 ql_log(ql_log_warn, vha, 0x0104,
4563                     "Unable to update Serial Link options (%x).\n", rval);
4564         }
4565 }
4566
4567 void
4568 qla2x00_config_rings(struct scsi_qla_host *vha)
4569 {
4570         struct qla_hw_data *ha = vha->hw;
4571         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4572         struct req_que *req = ha->req_q_map[0];
4573         struct rsp_que *rsp = ha->rsp_q_map[0];
4574
4575         /* Setup ring parameters in initialization control block. */
4576         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
4577         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
4578         ha->init_cb->request_q_length = cpu_to_le16(req->length);
4579         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
4580         put_unaligned_le64(req->dma, &ha->init_cb->request_q_address);
4581         put_unaligned_le64(rsp->dma, &ha->init_cb->response_q_address);
4582
4583         wrt_reg_word(ISP_REQ_Q_IN(ha, reg), 0);
4584         wrt_reg_word(ISP_REQ_Q_OUT(ha, reg), 0);
4585         wrt_reg_word(ISP_RSP_Q_IN(ha, reg), 0);
4586         wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), 0);
4587         rd_reg_word(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
4588 }
4589
4590 void
4591 qla24xx_config_rings(struct scsi_qla_host *vha)
4592 {
4593         struct qla_hw_data *ha = vha->hw;
4594         device_reg_t *reg = ISP_QUE_REG(ha, 0);
4595         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
4596         struct qla_msix_entry *msix;
4597         struct init_cb_24xx *icb;
4598         uint16_t rid = 0;
4599         struct req_que *req = ha->req_q_map[0];
4600         struct rsp_que *rsp = ha->rsp_q_map[0];
4601
4602         /* Setup ring parameters in initialization control block. */
4603         icb = (struct init_cb_24xx *)ha->init_cb;
4604         icb->request_q_outpointer = cpu_to_le16(0);
4605         icb->response_q_inpointer = cpu_to_le16(0);
4606         icb->request_q_length = cpu_to_le16(req->length);
4607         icb->response_q_length = cpu_to_le16(rsp->length);
4608         put_unaligned_le64(req->dma, &icb->request_q_address);
4609         put_unaligned_le64(rsp->dma, &icb->response_q_address);
4610
4611         /* Setup ATIO queue dma pointers for target mode */
4612         icb->atio_q_inpointer = cpu_to_le16(0);
4613         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
4614         put_unaligned_le64(ha->tgt.atio_dma, &icb->atio_q_address);
4615
4616         if (IS_SHADOW_REG_CAPABLE(ha))
4617                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
4618
4619         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4620             IS_QLA28XX(ha)) {
4621                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
4622                 icb->rid = cpu_to_le16(rid);
4623                 if (ha->flags.msix_enabled) {
4624                         msix = &ha->msix_entries[1];
4625                         ql_dbg(ql_dbg_init, vha, 0x0019,
4626                             "Registering vector 0x%x for base que.\n",
4627                             msix->entry);
4628                         icb->msix = cpu_to_le16(msix->entry);
4629                 }
4630                 /* Use alternate PCI bus number */
4631                 if (MSB(rid))
4632                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
4633                 /* Use alternate PCI devfn */
4634                 if (LSB(rid))
4635                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
4636
4637                 /* Use Disable MSIX Handshake mode for capable adapters */
4638                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
4639                     (ha->flags.msix_enabled)) {
4640                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
4641                         ha->flags.disable_msix_handshake = 1;
4642                         ql_dbg(ql_dbg_init, vha, 0x00fe,
4643                             "MSIX Handshake Disable Mode turned on.\n");
4644                 } else {
4645                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
4646                 }
4647                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
4648
4649                 wrt_reg_dword(&reg->isp25mq.req_q_in, 0);
4650                 wrt_reg_dword(&reg->isp25mq.req_q_out, 0);
4651                 wrt_reg_dword(&reg->isp25mq.rsp_q_in, 0);
4652                 wrt_reg_dword(&reg->isp25mq.rsp_q_out, 0);
4653         } else {
4654                 wrt_reg_dword(&reg->isp24.req_q_in, 0);
4655                 wrt_reg_dword(&reg->isp24.req_q_out, 0);
4656                 wrt_reg_dword(&reg->isp24.rsp_q_in, 0);
4657                 wrt_reg_dword(&reg->isp24.rsp_q_out, 0);
4658         }
4659
4660         qlt_24xx_config_rings(vha);
4661
4662         /* If the user has configured the speed, set it here */
4663         if (ha->set_data_rate) {
4664                 ql_dbg(ql_dbg_init, vha, 0x00fd,
4665                     "Speed set by user : %s Gbps \n",
4666                     qla2x00_get_link_speed_str(ha, ha->set_data_rate));
4667                 icb->firmware_options_3 = cpu_to_le32(ha->set_data_rate << 13);
4668         }
4669
4670         /* PCI posting */
4671         rd_reg_word(&ioreg->hccr);
4672 }
4673
4674 /**
4675  * qla2x00_init_rings() - Initializes firmware.
4676  * @vha: HA context
4677  *
4678  * Beginning of request ring has initialization control block already built
4679  * by nvram config routine.
4680  *
4681  * Returns 0 on success.
4682  */
4683 int
4684 qla2x00_init_rings(scsi_qla_host_t *vha)
4685 {
4686         int     rval;
4687         unsigned long flags = 0;
4688         int cnt, que;
4689         struct qla_hw_data *ha = vha->hw;
4690         struct req_que *req;
4691         struct rsp_que *rsp;
4692         struct mid_init_cb_24xx *mid_init_cb =
4693             (struct mid_init_cb_24xx *) ha->init_cb;
4694
4695         spin_lock_irqsave(&ha->hardware_lock, flags);
4696
4697         /* Clear outstanding commands array. */
4698         for (que = 0; que < ha->max_req_queues; que++) {
4699                 req = ha->req_q_map[que];
4700                 if (!req || !test_bit(que, ha->req_qid_map))
4701                         continue;
4702                 req->out_ptr = (uint16_t *)(req->ring + req->length);
4703                 *req->out_ptr = 0;
4704                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
4705                         req->outstanding_cmds[cnt] = NULL;
4706
4707                 req->current_outstanding_cmd = 1;
4708
4709                 /* Initialize firmware. */
4710                 req->ring_ptr  = req->ring;
4711                 req->ring_index    = 0;
4712                 req->cnt      = req->length;
4713         }
4714
4715         for (que = 0; que < ha->max_rsp_queues; que++) {
4716                 rsp = ha->rsp_q_map[que];
4717                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
4718                         continue;
4719                 rsp->in_ptr = (uint16_t *)(rsp->ring + rsp->length);
4720                 *rsp->in_ptr = 0;
4721                 /* Initialize response queue entries */
4722                 if (IS_QLAFX00(ha))
4723                         qlafx00_init_response_q_entries(rsp);
4724                 else
4725                         qla2x00_init_response_q_entries(rsp);
4726         }
4727
4728         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
4729         ha->tgt.atio_ring_index = 0;
4730         /* Initialize ATIO queue entries */
4731         qlt_init_atio_q_entries(vha);
4732
4733         ha->isp_ops->config_rings(vha);
4734
4735         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4736
4737         if (IS_QLAFX00(ha)) {
4738                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
4739                 goto next_check;
4740         }
4741
4742         /* Update any ISP specific firmware options before initialization. */
4743         ha->isp_ops->update_fw_options(vha);
4744
4745         ql_dbg(ql_dbg_init, vha, 0x00d1,
4746                "Issue init firmware FW opt 1-3= %08x %08x %08x.\n",
4747                le32_to_cpu(mid_init_cb->init_cb.firmware_options_1),
4748                le32_to_cpu(mid_init_cb->init_cb.firmware_options_2),
4749                le32_to_cpu(mid_init_cb->init_cb.firmware_options_3));
4750
4751         if (ha->flags.npiv_supported) {
4752                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
4753                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
4754                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
4755         }
4756
4757         if (IS_FWI2_CAPABLE(ha)) {
4758                 mid_init_cb->options = cpu_to_le16(BIT_1);
4759                 mid_init_cb->init_cb.execution_throttle =
4760                     cpu_to_le16(ha->cur_fw_xcb_count);
4761                 ha->flags.dport_enabled =
4762                         (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4763                          BIT_7) != 0;
4764                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
4765                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
4766                 /* FA-WWPN Status */
4767                 ha->flags.fawwpn_enabled =
4768                         (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4769                          BIT_6) != 0;
4770                 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
4771                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
4772                 /* Init_cb will be reused for other command(s).  Save a backup copy of port_name */
4773                 memcpy(ha->port_name, ha->init_cb->port_name, WWN_SIZE);
4774         }
4775
4776         /* ELS pass through payload is limit by frame size. */
4777         if (ha->flags.edif_enabled)
4778                 mid_init_cb->init_cb.frame_payload_size = cpu_to_le16(ELS_MAX_PAYLOAD);
4779
4780         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
4781 next_check:
4782         if (rval) {
4783                 ql_log(ql_log_fatal, vha, 0x00d2,
4784                     "Init Firmware **** FAILED ****.\n");
4785         } else {
4786                 ql_dbg(ql_dbg_init, vha, 0x00d3,
4787                     "Init Firmware -- success.\n");
4788                 QLA_FW_STARTED(ha);
4789                 vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0;
4790         }
4791
4792         return (rval);
4793 }
4794
4795 /**
4796  * qla2x00_fw_ready() - Waits for firmware ready.
4797  * @vha: HA context
4798  *
4799  * Returns 0 on success.
4800  */
4801 static int
4802 qla2x00_fw_ready(scsi_qla_host_t *vha)
4803 {
4804         int             rval;
4805         unsigned long   wtime, mtime, cs84xx_time;
4806         uint16_t        min_wait;       /* Minimum wait time if loop is down */
4807         uint16_t        wait_time;      /* Wait time if loop is coming ready */
4808         uint16_t        state[6];
4809         struct qla_hw_data *ha = vha->hw;
4810
4811         if (IS_QLAFX00(vha->hw))
4812                 return qlafx00_fw_ready(vha);
4813
4814         /* Time to wait for loop down */
4815         if (IS_P3P_TYPE(ha))
4816                 min_wait = 30;
4817         else
4818                 min_wait = 20;
4819
4820         /*
4821          * Firmware should take at most one RATOV to login, plus 5 seconds for
4822          * our own processing.
4823          */
4824         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
4825                 wait_time = min_wait;
4826         }
4827
4828         /* Min wait time if loop down */
4829         mtime = jiffies + (min_wait * HZ);
4830
4831         /* wait time before firmware ready */
4832         wtime = jiffies + (wait_time * HZ);
4833
4834         /* Wait for ISP to finish LIP */
4835         if (!vha->flags.init_done)
4836                 ql_log(ql_log_info, vha, 0x801e,
4837                     "Waiting for LIP to complete.\n");
4838
4839         do {
4840                 memset(state, -1, sizeof(state));
4841                 rval = qla2x00_get_firmware_state(vha, state);
4842                 if (rval == QLA_SUCCESS) {
4843                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
4844                                 vha->device_flags &= ~DFLG_NO_CABLE;
4845                         }
4846                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
4847                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
4848                                     "fw_state=%x 84xx=%x.\n", state[0],
4849                                     state[2]);
4850                                 if ((state[2] & FSTATE_LOGGED_IN) &&
4851                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
4852                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
4853                                             "Sending verify iocb.\n");
4854
4855                                         cs84xx_time = jiffies;
4856                                         rval = qla84xx_init_chip(vha);
4857                                         if (rval != QLA_SUCCESS) {
4858                                                 ql_log(ql_log_warn,
4859                                                     vha, 0x8007,
4860                                                     "Init chip failed.\n");
4861                                                 break;
4862                                         }
4863
4864                                         /* Add time taken to initialize. */
4865                                         cs84xx_time = jiffies - cs84xx_time;
4866                                         wtime += cs84xx_time;
4867                                         mtime += cs84xx_time;
4868                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
4869                                             "Increasing wait time by %ld. "
4870                                             "New time %ld.\n", cs84xx_time,
4871                                             wtime);
4872                                 }
4873                         } else if (state[0] == FSTATE_READY) {
4874                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
4875                                     "F/W Ready - OK.\n");
4876
4877                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
4878                                     &ha->login_timeout, &ha->r_a_tov);
4879
4880                                 rval = QLA_SUCCESS;
4881                                 break;
4882                         }
4883
4884                         rval = QLA_FUNCTION_FAILED;
4885
4886                         if (atomic_read(&vha->loop_down_timer) &&
4887                             state[0] != FSTATE_READY) {
4888                                 /* Loop down. Timeout on min_wait for states
4889                                  * other than Wait for Login.
4890                                  */
4891                                 if (time_after_eq(jiffies, mtime)) {
4892                                         ql_log(ql_log_info, vha, 0x8038,
4893                                             "Cable is unplugged...\n");
4894
4895                                         vha->device_flags |= DFLG_NO_CABLE;
4896                                         break;
4897                                 }
4898                         }
4899                 } else {
4900                         /* Mailbox cmd failed. Timeout on min_wait. */
4901                         if (time_after_eq(jiffies, mtime) ||
4902                                 ha->flags.isp82xx_fw_hung)
4903                                 break;
4904                 }
4905
4906                 if (time_after_eq(jiffies, wtime))
4907                         break;
4908
4909                 /* Delay for a while */
4910                 msleep(500);
4911         } while (1);
4912
4913         ql_dbg(ql_dbg_taskm, vha, 0x803a,
4914             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
4915             state[1], state[2], state[3], state[4], state[5], jiffies);
4916
4917         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
4918                 ql_log(ql_log_warn, vha, 0x803b,
4919                     "Firmware ready **** FAILED ****.\n");
4920         }
4921
4922         return (rval);
4923 }
4924
4925 /*
4926 *  qla2x00_configure_hba
4927 *      Setup adapter context.
4928 *
4929 * Input:
4930 *      ha = adapter state pointer.
4931 *
4932 * Returns:
4933 *      0 = success
4934 *
4935 * Context:
4936 *      Kernel context.
4937 */
4938 static int
4939 qla2x00_configure_hba(scsi_qla_host_t *vha)
4940 {
4941         int       rval;
4942         uint16_t      loop_id;
4943         uint16_t      topo;
4944         uint16_t      sw_cap;
4945         uint8_t       al_pa;
4946         uint8_t       area;
4947         uint8_t       domain;
4948         char            connect_type[22];
4949         struct qla_hw_data *ha = vha->hw;
4950         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4951         port_id_t id;
4952         unsigned long flags;
4953
4954         /* Get host addresses. */
4955         rval = qla2x00_get_adapter_id(vha,
4956             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
4957         if (rval != QLA_SUCCESS) {
4958                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
4959                     IS_CNA_CAPABLE(ha) ||
4960                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
4961                         ql_dbg(ql_dbg_disc, vha, 0x2008,
4962                             "Loop is in a transition state.\n");
4963                 } else {
4964                         ql_log(ql_log_warn, vha, 0x2009,
4965                             "Unable to get host loop ID.\n");
4966                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
4967                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
4968                                 ql_log(ql_log_warn, vha, 0x1151,
4969                                     "Doing link init.\n");
4970                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
4971                                         return rval;
4972                         }
4973                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4974                 }
4975                 return (rval);
4976         }
4977
4978         if (topo == 4) {
4979                 ql_log(ql_log_info, vha, 0x200a,
4980                     "Cannot get topology - retrying.\n");
4981                 return (QLA_FUNCTION_FAILED);
4982         }
4983
4984         vha->loop_id = loop_id;
4985
4986         /* initialize */
4987         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4988         ha->operating_mode = LOOP;
4989
4990         switch (topo) {
4991         case 0:
4992                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4993                 ha->switch_cap = 0;
4994                 ha->current_topology = ISP_CFG_NL;
4995                 strcpy(connect_type, "(Loop)");
4996                 break;
4997
4998         case 1:
4999                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
5000                 ha->switch_cap = sw_cap;
5001                 ha->current_topology = ISP_CFG_FL;
5002                 strcpy(connect_type, "(FL_Port)");
5003                 break;
5004
5005         case 2:
5006                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
5007                 ha->switch_cap = 0;
5008                 ha->operating_mode = P2P;
5009                 ha->current_topology = ISP_CFG_N;
5010                 strcpy(connect_type, "(N_Port-to-N_Port)");
5011                 break;
5012
5013         case 3:
5014                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
5015                 ha->switch_cap = sw_cap;
5016                 ha->operating_mode = P2P;
5017                 ha->current_topology = ISP_CFG_F;
5018                 strcpy(connect_type, "(F_Port)");
5019                 break;
5020
5021         default:
5022                 ql_dbg(ql_dbg_disc, vha, 0x200f,
5023                     "HBA in unknown topology %x, using NL.\n", topo);
5024                 ha->switch_cap = 0;
5025                 ha->current_topology = ISP_CFG_NL;
5026                 strcpy(connect_type, "(Loop)");
5027                 break;
5028         }
5029
5030         /* Save Host port and loop ID. */
5031         /* byte order - Big Endian */
5032         id.b.domain = domain;
5033         id.b.area = area;
5034         id.b.al_pa = al_pa;
5035         id.b.rsvd_1 = 0;
5036         spin_lock_irqsave(&ha->hardware_lock, flags);
5037         if (vha->hw->flags.edif_enabled) {
5038                 if (topo != 2)
5039                         qla_update_host_map(vha, id);
5040         } else if (!(topo == 2 && ha->flags.n2n_bigger))
5041                 qla_update_host_map(vha, id);
5042         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5043
5044         if (!vha->flags.init_done)
5045                 ql_log(ql_log_info, vha, 0x2010,
5046                     "Topology - %s, Host Loop address 0x%x.\n",
5047                     connect_type, vha->loop_id);
5048
5049         return(rval);
5050 }
5051
5052 inline void
5053 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
5054                        const char *def)
5055 {
5056         char *st, *en;
5057         uint16_t index;
5058         uint64_t zero[2] = { 0 };
5059         struct qla_hw_data *ha = vha->hw;
5060         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
5061             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
5062
5063         if (len > sizeof(zero))
5064                 len = sizeof(zero);
5065         if (memcmp(model, &zero, len) != 0) {
5066                 memcpy(ha->model_number, model, len);
5067                 st = en = ha->model_number;
5068                 en += len - 1;
5069                 while (en > st) {
5070                         if (*en != 0x20 && *en != 0x00)
5071                                 break;
5072                         *en-- = '\0';
5073                 }
5074
5075                 index = (ha->pdev->subsystem_device & 0xff);
5076                 if (use_tbl &&
5077                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
5078                     index < QLA_MODEL_NAMES)
5079                         strscpy(ha->model_desc,
5080                             qla2x00_model_name[index * 2 + 1],
5081                             sizeof(ha->model_desc));
5082         } else {
5083                 index = (ha->pdev->subsystem_device & 0xff);
5084                 if (use_tbl &&
5085                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
5086                     index < QLA_MODEL_NAMES) {
5087                         strscpy(ha->model_number,
5088                                 qla2x00_model_name[index * 2],
5089                                 sizeof(ha->model_number));
5090                         strscpy(ha->model_desc,
5091                             qla2x00_model_name[index * 2 + 1],
5092                             sizeof(ha->model_desc));
5093                 } else {
5094                         strscpy(ha->model_number, def,
5095                                 sizeof(ha->model_number));
5096                 }
5097         }
5098         if (IS_FWI2_CAPABLE(ha))
5099                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
5100                     sizeof(ha->model_desc));
5101 }
5102
5103 /* On sparc systems, obtain port and node WWN from firmware
5104  * properties.
5105  */
5106 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
5107 {
5108 #ifdef CONFIG_SPARC
5109         struct qla_hw_data *ha = vha->hw;
5110         struct pci_dev *pdev = ha->pdev;
5111         struct device_node *dp = pci_device_to_OF_node(pdev);
5112         const u8 *val;
5113         int len;
5114
5115         val = of_get_property(dp, "port-wwn", &len);
5116         if (val && len >= WWN_SIZE)
5117                 memcpy(nv->port_name, val, WWN_SIZE);
5118
5119         val = of_get_property(dp, "node-wwn", &len);
5120         if (val && len >= WWN_SIZE)
5121                 memcpy(nv->node_name, val, WWN_SIZE);
5122 #endif
5123 }
5124
5125 /*
5126 * NVRAM configuration for ISP 2xxx
5127 *
5128 * Input:
5129 *      ha                = adapter block pointer.
5130 *
5131 * Output:
5132 *      initialization control block in response_ring
5133 *      host adapters parameters in host adapter block
5134 *
5135 * Returns:
5136 *      0 = success.
5137 */
5138 int
5139 qla2x00_nvram_config(scsi_qla_host_t *vha)
5140 {
5141         int             rval;
5142         uint8_t         chksum = 0;
5143         uint16_t        cnt;
5144         uint8_t         *dptr1, *dptr2;
5145         struct qla_hw_data *ha = vha->hw;
5146         init_cb_t       *icb = ha->init_cb;
5147         nvram_t         *nv = ha->nvram;
5148         uint8_t         *ptr = ha->nvram;
5149         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5150
5151         rval = QLA_SUCCESS;
5152
5153         /* Determine NVRAM starting address. */
5154         ha->nvram_size = sizeof(*nv);
5155         ha->nvram_base = 0;
5156         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
5157                 if ((rd_reg_word(&reg->ctrl_status) >> 14) == 1)
5158                         ha->nvram_base = 0x80;
5159
5160         /* Get NVRAM data and calculate checksum. */
5161         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
5162         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
5163                 chksum += *ptr++;
5164
5165         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
5166             "Contents of NVRAM.\n");
5167         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
5168             nv, ha->nvram_size);
5169
5170         /* Bad NVRAM data, set defaults parameters. */
5171         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
5172             nv->nvram_version < 1) {
5173                 /* Reset NVRAM data. */
5174                 ql_log(ql_log_warn, vha, 0x0064,
5175                     "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n",
5176                     chksum, nv->id, nv->nvram_version);
5177                 ql_log(ql_log_warn, vha, 0x0065,
5178                     "Falling back to "
5179                     "functioning (yet invalid -- WWPN) defaults.\n");
5180
5181                 /*
5182                  * Set default initialization control block.
5183                  */
5184                 memset(nv, 0, ha->nvram_size);
5185                 nv->parameter_block_version = ICB_VERSION;
5186
5187                 if (IS_QLA23XX(ha)) {
5188                         nv->firmware_options[0] = BIT_2 | BIT_1;
5189                         nv->firmware_options[1] = BIT_7 | BIT_5;
5190                         nv->add_firmware_options[0] = BIT_5;
5191                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
5192                         nv->frame_payload_size = cpu_to_le16(2048);
5193                         nv->special_options[1] = BIT_7;
5194                 } else if (IS_QLA2200(ha)) {
5195                         nv->firmware_options[0] = BIT_2 | BIT_1;
5196                         nv->firmware_options[1] = BIT_7 | BIT_5;
5197                         nv->add_firmware_options[0] = BIT_5;
5198                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
5199                         nv->frame_payload_size = cpu_to_le16(1024);
5200                 } else if (IS_QLA2100(ha)) {
5201                         nv->firmware_options[0] = BIT_3 | BIT_1;
5202                         nv->firmware_options[1] = BIT_5;
5203                         nv->frame_payload_size = cpu_to_le16(1024);
5204                 }
5205
5206                 nv->max_iocb_allocation = cpu_to_le16(256);
5207                 nv->execution_throttle = cpu_to_le16(16);
5208                 nv->retry_count = 8;
5209                 nv->retry_delay = 1;
5210
5211                 nv->port_name[0] = 33;
5212                 nv->port_name[3] = 224;
5213                 nv->port_name[4] = 139;
5214
5215                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
5216
5217                 nv->login_timeout = 4;
5218
5219                 /*
5220                  * Set default host adapter parameters
5221                  */
5222                 nv->host_p[1] = BIT_2;
5223                 nv->reset_delay = 5;
5224                 nv->port_down_retry_count = 8;
5225                 nv->max_luns_per_target = cpu_to_le16(8);
5226                 nv->link_down_timeout = 60;
5227
5228                 rval = 1;
5229         }
5230
5231         /* Reset Initialization control block */
5232         memset(icb, 0, ha->init_cb_size);
5233
5234         /*
5235          * Setup driver NVRAM options.
5236          */
5237         nv->firmware_options[0] |= (BIT_6 | BIT_1);
5238         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
5239         nv->firmware_options[1] |= (BIT_5 | BIT_0);
5240         nv->firmware_options[1] &= ~BIT_4;
5241
5242         if (IS_QLA23XX(ha)) {
5243                 nv->firmware_options[0] |= BIT_2;
5244                 nv->firmware_options[0] &= ~BIT_3;
5245                 nv->special_options[0] &= ~BIT_6;
5246                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
5247
5248                 if (IS_QLA2300(ha)) {
5249                         if (ha->fb_rev == FPM_2310) {
5250                                 strcpy(ha->model_number, "QLA2310");
5251                         } else {
5252                                 strcpy(ha->model_number, "QLA2300");
5253                         }
5254                 } else {
5255                         qla2x00_set_model_info(vha, nv->model_number,
5256                             sizeof(nv->model_number), "QLA23xx");
5257                 }
5258         } else if (IS_QLA2200(ha)) {
5259                 nv->firmware_options[0] |= BIT_2;
5260                 /*
5261                  * 'Point-to-point preferred, else loop' is not a safe
5262                  * connection mode setting.
5263                  */
5264                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
5265                     (BIT_5 | BIT_4)) {
5266                         /* Force 'loop preferred, else point-to-point'. */
5267                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
5268                         nv->add_firmware_options[0] |= BIT_5;
5269                 }
5270                 strcpy(ha->model_number, "QLA22xx");
5271         } else /*if (IS_QLA2100(ha))*/ {
5272                 strcpy(ha->model_number, "QLA2100");
5273         }
5274
5275         /*
5276          * Copy over NVRAM RISC parameter block to initialization control block.
5277          */
5278         dptr1 = (uint8_t *)icb;
5279         dptr2 = (uint8_t *)&nv->parameter_block_version;
5280         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
5281         while (cnt--)
5282                 *dptr1++ = *dptr2++;
5283
5284         /* Copy 2nd half. */
5285         dptr1 = (uint8_t *)icb->add_firmware_options;
5286         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
5287         while (cnt--)
5288                 *dptr1++ = *dptr2++;
5289         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
5290         /* Use alternate WWN? */
5291         if (nv->host_p[1] & BIT_7) {
5292                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5293                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5294         }
5295
5296         /* Prepare nodename */
5297         if ((icb->firmware_options[1] & BIT_6) == 0) {
5298                 /*
5299                  * Firmware will apply the following mask if the nodename was
5300                  * not provided.
5301                  */
5302                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5303                 icb->node_name[0] &= 0xF0;
5304         }
5305
5306         /*
5307          * Set host adapter parameters.
5308          */
5309
5310         /*
5311          * BIT_7 in the host-parameters section allows for modification to
5312          * internal driver logging.
5313          */
5314         if (nv->host_p[0] & BIT_7)
5315                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
5316         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
5317         /* Always load RISC code on non ISP2[12]00 chips. */
5318         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
5319                 ha->flags.disable_risc_code_load = 0;
5320         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
5321         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
5322         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
5323         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
5324         ha->flags.disable_serdes = 0;
5325
5326         ha->operating_mode =
5327             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
5328
5329         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
5330             sizeof(ha->fw_seriallink_options));
5331
5332         /* save HBA serial number */
5333         ha->serial0 = icb->port_name[5];
5334         ha->serial1 = icb->port_name[6];
5335         ha->serial2 = icb->port_name[7];
5336         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5337         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5338
5339         icb->execution_throttle = cpu_to_le16(0xFFFF);
5340
5341         ha->retry_count = nv->retry_count;
5342
5343         /* Set minimum login_timeout to 4 seconds. */
5344         if (nv->login_timeout != ql2xlogintimeout)
5345                 nv->login_timeout = ql2xlogintimeout;
5346         if (nv->login_timeout < 4)
5347                 nv->login_timeout = 4;
5348         ha->login_timeout = nv->login_timeout;
5349
5350         /* Set minimum RATOV to 100 tenths of a second. */
5351         ha->r_a_tov = 100;
5352
5353         ha->loop_reset_delay = nv->reset_delay;
5354
5355         /* Link Down Timeout = 0:
5356          *
5357          *      When Port Down timer expires we will start returning
5358          *      I/O's to OS with "DID_NO_CONNECT".
5359          *
5360          * Link Down Timeout != 0:
5361          *
5362          *       The driver waits for the link to come up after link down
5363          *       before returning I/Os to OS with "DID_NO_CONNECT".
5364          */
5365         if (nv->link_down_timeout == 0) {
5366                 ha->loop_down_abort_time =
5367                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5368         } else {
5369                 ha->link_down_timeout =  nv->link_down_timeout;
5370                 ha->loop_down_abort_time =
5371                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5372         }
5373
5374         /*
5375          * Need enough time to try and get the port back.
5376          */
5377         ha->port_down_retry_count = nv->port_down_retry_count;
5378         if (qlport_down_retry)
5379                 ha->port_down_retry_count = qlport_down_retry;
5380         /* Set login_retry_count */
5381         ha->login_retry_count  = nv->retry_count;
5382         if (ha->port_down_retry_count == nv->port_down_retry_count &&
5383             ha->port_down_retry_count > 3)
5384                 ha->login_retry_count = ha->port_down_retry_count;
5385         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5386                 ha->login_retry_count = ha->port_down_retry_count;
5387         if (ql2xloginretrycount)
5388                 ha->login_retry_count = ql2xloginretrycount;
5389
5390         icb->lun_enables = cpu_to_le16(0);
5391         icb->command_resource_count = 0;
5392         icb->immediate_notify_resource_count = 0;
5393         icb->timeout = cpu_to_le16(0);
5394
5395         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
5396                 /* Enable RIO */
5397                 icb->firmware_options[0] &= ~BIT_3;
5398                 icb->add_firmware_options[0] &=
5399                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
5400                 icb->add_firmware_options[0] |= BIT_2;
5401                 icb->response_accumulation_timer = 3;
5402                 icb->interrupt_delay_timer = 5;
5403
5404                 vha->flags.process_response_queue = 1;
5405         } else {
5406                 /* Enable ZIO. */
5407                 if (!vha->flags.init_done) {
5408                         ha->zio_mode = icb->add_firmware_options[0] &
5409                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5410                         ha->zio_timer = icb->interrupt_delay_timer ?
5411                             icb->interrupt_delay_timer : 2;
5412                 }
5413                 icb->add_firmware_options[0] &=
5414                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
5415                 vha->flags.process_response_queue = 0;
5416                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5417                         ha->zio_mode = QLA_ZIO_MODE_6;
5418
5419                         ql_log(ql_log_info, vha, 0x0068,
5420                             "ZIO mode %d enabled; timer delay (%d us).\n",
5421                             ha->zio_mode, ha->zio_timer * 100);
5422
5423                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
5424                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
5425                         vha->flags.process_response_queue = 1;
5426                 }
5427         }
5428
5429         if (rval) {
5430                 ql_log(ql_log_warn, vha, 0x0069,
5431                     "NVRAM configuration failed.\n");
5432         }
5433         return (rval);
5434 }
5435
5436 void qla2x00_set_fcport_state(fc_port_t *fcport, int state)
5437 {
5438         int old_state;
5439
5440         old_state = atomic_read(&fcport->state);
5441         atomic_set(&fcport->state, state);
5442
5443         /* Don't print state transitions during initial allocation of fcport */
5444         if (old_state && old_state != state) {
5445                 ql_dbg(ql_dbg_disc, fcport->vha, 0x207d,
5446                        "FCPort %8phC state transitioned from %s to %s - portid=%02x%02x%02x.\n",
5447                        fcport->port_name, port_state_str[old_state],
5448                        port_state_str[state], fcport->d_id.b.domain,
5449                        fcport->d_id.b.area, fcport->d_id.b.al_pa);
5450         }
5451 }
5452
5453 /**
5454  * qla2x00_alloc_fcport() - Allocate a generic fcport.
5455  * @vha: HA context
5456  * @flags: allocation flags
5457  *
5458  * Returns a pointer to the allocated fcport, or NULL, if none available.
5459  */
5460 fc_port_t *
5461 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
5462 {
5463         fc_port_t *fcport;
5464
5465         fcport = kzalloc(sizeof(fc_port_t), flags);
5466         if (!fcport)
5467                 return NULL;
5468
5469         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
5470                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
5471                 flags);
5472         if (!fcport->ct_desc.ct_sns) {
5473                 ql_log(ql_log_warn, vha, 0xd049,
5474                     "Failed to allocate ct_sns request.\n");
5475                 kfree(fcport);
5476                 return NULL;
5477         }
5478
5479         /* Setup fcport template structure. */
5480         fcport->vha = vha;
5481         fcport->port_type = FCT_UNKNOWN;
5482         fcport->loop_id = FC_NO_LOOP_ID;
5483         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
5484         fcport->supported_classes = FC_COS_UNSPECIFIED;
5485         fcport->fp_speed = PORT_SPEED_UNKNOWN;
5486
5487         fcport->disc_state = DSC_DELETED;
5488         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
5489         fcport->deleted = QLA_SESS_DELETED;
5490         fcport->login_retry = vha->hw->login_retry_count;
5491         fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5492         fcport->logout_on_delete = 1;
5493         fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
5494         fcport->tgt_short_link_down_cnt = 0;
5495         fcport->dev_loss_tmo = 0;
5496
5497         if (!fcport->ct_desc.ct_sns) {
5498                 ql_log(ql_log_warn, vha, 0xd049,
5499                     "Failed to allocate ct_sns request.\n");
5500                 kfree(fcport);
5501                 return NULL;
5502         }
5503
5504         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
5505         INIT_WORK(&fcport->free_work, qlt_free_session_done);
5506         INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
5507         INIT_LIST_HEAD(&fcport->gnl_entry);
5508         INIT_LIST_HEAD(&fcport->list);
5509         INIT_LIST_HEAD(&fcport->tmf_pending);
5510
5511         INIT_LIST_HEAD(&fcport->sess_cmd_list);
5512         spin_lock_init(&fcport->sess_cmd_lock);
5513
5514         spin_lock_init(&fcport->edif.sa_list_lock);
5515         INIT_LIST_HEAD(&fcport->edif.tx_sa_list);
5516         INIT_LIST_HEAD(&fcport->edif.rx_sa_list);
5517
5518         spin_lock_init(&fcport->edif.indx_list_lock);
5519         INIT_LIST_HEAD(&fcport->edif.edif_indx_list);
5520
5521         return fcport;
5522 }
5523
5524 void
5525 qla2x00_free_fcport(fc_port_t *fcport)
5526 {
5527         if (fcport->ct_desc.ct_sns) {
5528                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
5529                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
5530                         fcport->ct_desc.ct_sns_dma);
5531
5532                 fcport->ct_desc.ct_sns = NULL;
5533         }
5534
5535         qla_edif_flush_sa_ctl_lists(fcport);
5536         list_del(&fcport->list);
5537         qla2x00_clear_loop_id(fcport);
5538
5539         qla_edif_list_del(fcport);
5540
5541         kfree(fcport);
5542 }
5543
5544 static void qla_get_login_template(scsi_qla_host_t *vha)
5545 {
5546         struct qla_hw_data *ha = vha->hw;
5547         int rval;
5548         u32 *bp, sz;
5549         __be32 *q;
5550
5551         memset(ha->init_cb, 0, ha->init_cb_size);
5552         sz = min_t(int, sizeof(struct fc_els_csp), ha->init_cb_size);
5553         rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
5554                                             ha->init_cb, sz);
5555         if (rval != QLA_SUCCESS) {
5556                 ql_dbg(ql_dbg_init, vha, 0x00d1,
5557                        "PLOGI ELS param read fail.\n");
5558                 return;
5559         }
5560         q = (__be32 *)&ha->plogi_els_payld.fl_csp;
5561
5562         bp = (uint32_t *)ha->init_cb;
5563         cpu_to_be32_array(q, bp, sz / 4);
5564         ha->flags.plogi_template_valid = 1;
5565 }
5566
5567 /*
5568  * qla2x00_configure_loop
5569  *      Updates Fibre Channel Device Database with what is actually on loop.
5570  *
5571  * Input:
5572  *      ha                = adapter block pointer.
5573  *
5574  * Returns:
5575  *      0 = success.
5576  *      1 = error.
5577  *      2 = database was full and device was not configured.
5578  */
5579 static int
5580 qla2x00_configure_loop(scsi_qla_host_t *vha)
5581 {
5582         int  rval;
5583         unsigned long flags, save_flags;
5584         struct qla_hw_data *ha = vha->hw;
5585
5586         rval = QLA_SUCCESS;
5587
5588         /* Get Initiator ID */
5589         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
5590                 rval = qla2x00_configure_hba(vha);
5591                 if (rval != QLA_SUCCESS) {
5592                         ql_dbg(ql_dbg_disc, vha, 0x2013,
5593                             "Unable to configure HBA.\n");
5594                         return (rval);
5595                 }
5596         }
5597
5598         save_flags = flags = vha->dpc_flags;
5599         ql_dbg(ql_dbg_disc, vha, 0x2014,
5600             "Configure loop -- dpc flags = 0x%lx.\n", flags);
5601
5602         /*
5603          * If we have both an RSCN and PORT UPDATE pending then handle them
5604          * both at the same time.
5605          */
5606         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5607         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
5608
5609         qla2x00_get_data_rate(vha);
5610         qla_get_login_template(vha);
5611
5612         /* Determine what we need to do */
5613         if ((ha->current_topology == ISP_CFG_FL ||
5614             ha->current_topology == ISP_CFG_F) &&
5615             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
5616
5617                 set_bit(RSCN_UPDATE, &flags);
5618                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
5619
5620         } else if (ha->current_topology == ISP_CFG_NL ||
5621                    ha->current_topology == ISP_CFG_N) {
5622                 clear_bit(RSCN_UPDATE, &flags);
5623                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5624         } else if (!vha->flags.online ||
5625             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
5626                 set_bit(RSCN_UPDATE, &flags);
5627                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5628         }
5629
5630         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
5631                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5632                         ql_dbg(ql_dbg_disc, vha, 0x2015,
5633                             "Loop resync needed, failing.\n");
5634                         rval = QLA_FUNCTION_FAILED;
5635                 } else
5636                         rval = qla2x00_configure_local_loop(vha);
5637         }
5638
5639         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
5640                 if (LOOP_TRANSITION(vha)) {
5641                         ql_dbg(ql_dbg_disc, vha, 0x2099,
5642                             "Needs RSCN update and loop transition.\n");
5643                         rval = QLA_FUNCTION_FAILED;
5644                 }
5645                 else
5646                         rval = qla2x00_configure_fabric(vha);
5647         }
5648
5649         if (rval == QLA_SUCCESS) {
5650                 if (atomic_read(&vha->loop_down_timer) ||
5651                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5652                         rval = QLA_FUNCTION_FAILED;
5653                 } else {
5654                         atomic_set(&vha->loop_state, LOOP_READY);
5655                         ql_dbg(ql_dbg_disc, vha, 0x2069,
5656                             "LOOP READY.\n");
5657                         ha->flags.fw_init_done = 1;
5658
5659                         /*
5660                          * use link up to wake up app to get ready for
5661                          * authentication.
5662                          */
5663                         if (ha->flags.edif_enabled && DBELL_INACTIVE(vha))
5664                                 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP,
5665                                                       ha->link_data_rate);
5666
5667                         /*
5668                          * Process any ATIO queue entries that came in
5669                          * while we weren't online.
5670                          */
5671                         if (qla_tgt_mode_enabled(vha) ||
5672                             qla_dual_mode_enabled(vha)) {
5673                                 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
5674                                 qlt_24xx_process_atio_queue(vha, 0);
5675                                 spin_unlock_irqrestore(&ha->tgt.atio_lock,
5676                                     flags);
5677                         }
5678                 }
5679         }
5680
5681         if (rval) {
5682                 ql_dbg(ql_dbg_disc, vha, 0x206a,
5683                     "%s *** FAILED ***.\n", __func__);
5684         } else {
5685                 ql_dbg(ql_dbg_disc, vha, 0x206b,
5686                     "%s: exiting normally. local port wwpn %8phN id %06x)\n",
5687                     __func__, vha->port_name, vha->d_id.b24);
5688         }
5689
5690         /* Restore state if a resync event occurred during processing */
5691         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5692                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
5693                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5694                 if (test_bit(RSCN_UPDATE, &save_flags)) {
5695                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
5696                 }
5697         }
5698
5699         return (rval);
5700 }
5701
5702 static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha)
5703 {
5704         unsigned long flags;
5705         fc_port_t *fcport;
5706
5707         ql_dbg(ql_dbg_disc, vha, 0x206a, "%s %d.\n", __func__, __LINE__);
5708
5709         if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags))
5710                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5711
5712         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5713                 if (fcport->n2n_flag) {
5714                         qla24xx_fcport_handle_login(vha, fcport);
5715                         return QLA_SUCCESS;
5716                 }
5717         }
5718
5719         spin_lock_irqsave(&vha->work_lock, flags);
5720         vha->scan.scan_retry++;
5721         spin_unlock_irqrestore(&vha->work_lock, flags);
5722
5723         if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5724                 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5725                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5726         }
5727         return QLA_FUNCTION_FAILED;
5728 }
5729
5730 static void
5731 qla_reinitialize_link(scsi_qla_host_t *vha)
5732 {
5733         int rval;
5734
5735         atomic_set(&vha->loop_state, LOOP_DOWN);
5736         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
5737         rval = qla2x00_full_login_lip(vha);
5738         if (rval == QLA_SUCCESS) {
5739                 ql_dbg(ql_dbg_disc, vha, 0xd050, "Link reinitialized\n");
5740         } else {
5741                 ql_dbg(ql_dbg_disc, vha, 0xd051,
5742                         "Link reinitialization failed (%d)\n", rval);
5743         }
5744 }
5745
5746 /*
5747  * qla2x00_configure_local_loop
5748  *      Updates Fibre Channel Device Database with local loop devices.
5749  *
5750  * Input:
5751  *      ha = adapter block pointer.
5752  *
5753  * Returns:
5754  *      0 = success.
5755  */
5756 static int
5757 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
5758 {
5759         int             rval, rval2;
5760         int             found;
5761         fc_port_t       *fcport, *new_fcport;
5762         uint16_t        index;
5763         uint16_t        entries;
5764         struct gid_list_info *gid;
5765         uint16_t        loop_id;
5766         uint8_t         domain, area, al_pa;
5767         struct qla_hw_data *ha = vha->hw;
5768         unsigned long flags;
5769
5770         /* Inititae N2N login. */
5771         if (N2N_TOPO(ha))
5772                 return qla2x00_configure_n2n_loop(vha);
5773
5774         new_fcport = NULL;
5775         entries = MAX_FIBRE_DEVICES_LOOP;
5776
5777         /* Get list of logged in devices. */
5778         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
5779         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
5780             &entries);
5781         if (rval != QLA_SUCCESS)
5782                 goto err;
5783
5784         ql_dbg(ql_dbg_disc, vha, 0x2011,
5785             "Entries in ID list (%d).\n", entries);
5786         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
5787             ha->gid_list, entries * sizeof(*ha->gid_list));
5788
5789         if (entries == 0) {
5790                 spin_lock_irqsave(&vha->work_lock, flags);
5791                 vha->scan.scan_retry++;
5792                 spin_unlock_irqrestore(&vha->work_lock, flags);
5793
5794                 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5795                         u8 loop_map_entries = 0;
5796                         int rc;
5797
5798                         rc = qla2x00_get_fcal_position_map(vha, NULL,
5799                                                 &loop_map_entries);
5800                         if (rc == QLA_SUCCESS && loop_map_entries > 1) {
5801                                 /*
5802                                  * There are devices that are still not logged
5803                                  * in. Reinitialize to give them a chance.
5804                                  */
5805                                 qla_reinitialize_link(vha);
5806                                 return QLA_FUNCTION_FAILED;
5807                         }
5808                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5809                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5810                 }
5811         } else {
5812                 vha->scan.scan_retry = 0;
5813         }
5814
5815         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5816                 fcport->scan_state = QLA_FCPORT_SCAN;
5817         }
5818
5819         /* Allocate temporary fcport for any new fcports discovered. */
5820         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5821         if (new_fcport == NULL) {
5822                 ql_log(ql_log_warn, vha, 0x2012,
5823                     "Memory allocation failed for fcport.\n");
5824                 rval = QLA_MEMORY_ALLOC_FAILED;
5825                 goto err;
5826         }
5827         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5828
5829         /* Add devices to port list. */
5830         gid = ha->gid_list;
5831         for (index = 0; index < entries; index++) {
5832                 domain = gid->domain;
5833                 area = gid->area;
5834                 al_pa = gid->al_pa;
5835                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
5836                         loop_id = gid->loop_id_2100;
5837                 else
5838                         loop_id = le16_to_cpu(gid->loop_id);
5839                 gid = (void *)gid + ha->gid_list_info_size;
5840
5841                 /* Bypass reserved domain fields. */
5842                 if ((domain & 0xf0) == 0xf0)
5843                         continue;
5844
5845                 /* Bypass if not same domain and area of adapter. */
5846                 if (area && domain && ((area != vha->d_id.b.area) ||
5847                     (domain != vha->d_id.b.domain)) &&
5848                     (ha->current_topology == ISP_CFG_NL))
5849                         continue;
5850
5851
5852                 /* Bypass invalid local loop ID. */
5853                 if (loop_id > LAST_LOCAL_LOOP_ID)
5854                         continue;
5855
5856                 memset(new_fcport->port_name, 0, WWN_SIZE);
5857
5858                 /* Fill in member data. */
5859                 new_fcport->d_id.b.domain = domain;
5860                 new_fcport->d_id.b.area = area;
5861                 new_fcport->d_id.b.al_pa = al_pa;
5862                 new_fcport->loop_id = loop_id;
5863                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5864
5865                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5866                 if (rval2 != QLA_SUCCESS) {
5867                         ql_dbg(ql_dbg_disc, vha, 0x2097,
5868                             "Failed to retrieve fcport information "
5869                             "-- get_port_database=%x, loop_id=0x%04x.\n",
5870                             rval2, new_fcport->loop_id);
5871                         /* Skip retry if N2N */
5872                         if (ha->current_topology != ISP_CFG_N) {
5873                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
5874                                     "Scheduling resync.\n");
5875                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5876                                 continue;
5877                         }
5878                 }
5879
5880                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5881                 /* Check for matching device in port list. */
5882                 found = 0;
5883                 fcport = NULL;
5884                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5885                         if (memcmp(new_fcport->port_name, fcport->port_name,
5886                             WWN_SIZE))
5887                                 continue;
5888
5889                         fcport->flags &= ~FCF_FABRIC_DEVICE;
5890                         fcport->loop_id = new_fcport->loop_id;
5891                         fcport->port_type = new_fcport->port_type;
5892                         fcport->d_id.b24 = new_fcport->d_id.b24;
5893                         memcpy(fcport->node_name, new_fcport->node_name,
5894                             WWN_SIZE);
5895                         fcport->scan_state = QLA_FCPORT_FOUND;
5896                         if (fcport->login_retry == 0) {
5897                                 fcport->login_retry = vha->hw->login_retry_count;
5898                                 ql_dbg(ql_dbg_disc, vha, 0x2135,
5899                                     "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n",
5900                                     fcport->port_name, fcport->loop_id,
5901                                     fcport->login_retry);
5902                         }
5903                         found++;
5904                         break;
5905                 }
5906
5907                 if (!found) {
5908                         /* New device, add to fcports list. */
5909                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
5910
5911                         /* Allocate a new replacement fcport. */
5912                         fcport = new_fcport;
5913
5914                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5915
5916                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5917
5918                         if (new_fcport == NULL) {
5919                                 ql_log(ql_log_warn, vha, 0xd031,
5920                                     "Failed to allocate memory for fcport.\n");
5921                                 rval = QLA_MEMORY_ALLOC_FAILED;
5922                                 goto err;
5923                         }
5924                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5925                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5926                 }
5927
5928                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5929
5930                 /* Base iIDMA settings on HBA port speed. */
5931                 fcport->fp_speed = ha->link_data_rate;
5932         }
5933
5934         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5935                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5936                         break;
5937
5938                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5939                         if ((qla_dual_mode_enabled(vha) ||
5940                             qla_ini_mode_enabled(vha)) &&
5941                             atomic_read(&fcport->state) == FCS_ONLINE) {
5942                                 qla2x00_mark_device_lost(vha, fcport,
5943                                         ql2xplogiabsentdevice);
5944                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5945                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5946                                     fcport->port_type != FCT_INITIATOR &&
5947                                     fcport->port_type != FCT_BROADCAST) {
5948                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5949                                             "%s %d %8phC post del sess\n",
5950                                             __func__, __LINE__,
5951                                             fcport->port_name);
5952
5953                                         qlt_schedule_sess_for_deletion(fcport);
5954                                         continue;
5955                                 }
5956                         }
5957                 }
5958
5959                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5960                         qla24xx_fcport_handle_login(vha, fcport);
5961         }
5962
5963         qla2x00_free_fcport(new_fcport);
5964
5965         return rval;
5966
5967 err:
5968         ql_dbg(ql_dbg_disc, vha, 0x2098,
5969                "Configure local loop error exit: rval=%x.\n", rval);
5970         return rval;
5971 }
5972
5973 static void
5974 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5975 {
5976         int rval;
5977         uint16_t mb[MAILBOX_REGISTER_COUNT];
5978         struct qla_hw_data *ha = vha->hw;
5979
5980         if (!IS_IIDMA_CAPABLE(ha))
5981                 return;
5982
5983         if (atomic_read(&fcport->state) != FCS_ONLINE)
5984                 return;
5985
5986         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5987             fcport->fp_speed > ha->link_data_rate ||
5988             !ha->flags.gpsc_supported)
5989                 return;
5990
5991         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5992             mb);
5993         if (rval != QLA_SUCCESS) {
5994                 ql_dbg(ql_dbg_disc, vha, 0x2004,
5995                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5996                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5997         } else {
5998                 ql_dbg(ql_dbg_disc, vha, 0x2005,
5999                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
6000                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
6001                     fcport->fp_speed, fcport->port_name);
6002         }
6003 }
6004
6005 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
6006 {
6007         qla2x00_iidma_fcport(vha, fcport);
6008         qla24xx_update_fcport_fcp_prio(vha, fcport);
6009 }
6010
6011 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
6012 {
6013         struct qla_work_evt *e;
6014
6015         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
6016         if (!e)
6017                 return QLA_FUNCTION_FAILED;
6018
6019         e->u.fcport.fcport = fcport;
6020         return qla2x00_post_work(vha, e);
6021 }
6022
6023 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
6024 static void
6025 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
6026 {
6027         struct fc_rport_identifiers rport_ids;
6028         struct fc_rport *rport;
6029         unsigned long flags;
6030
6031         if (atomic_read(&fcport->state) == FCS_ONLINE)
6032                 return;
6033
6034         rport_ids.node_name = wwn_to_u64(fcport->node_name);
6035         rport_ids.port_name = wwn_to_u64(fcport->port_name);
6036         rport_ids.port_id = fcport->d_id.b.domain << 16 |
6037             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
6038         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
6039         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
6040         if (!rport) {
6041                 ql_log(ql_log_warn, vha, 0x2006,
6042                     "Unable to allocate fc remote port.\n");
6043                 return;
6044         }
6045
6046         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
6047         *((fc_port_t **)rport->dd_data) = fcport;
6048         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
6049         fcport->dev_loss_tmo = rport->dev_loss_tmo;
6050
6051         rport->supported_classes = fcport->supported_classes;
6052
6053         rport_ids.roles = FC_PORT_ROLE_UNKNOWN;
6054         if (fcport->port_type == FCT_INITIATOR)
6055                 rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR;
6056         if (fcport->port_type == FCT_TARGET)
6057                 rport_ids.roles |= FC_PORT_ROLE_FCP_TARGET;
6058         if (fcport->port_type & FCT_NVME_INITIATOR)
6059                 rport_ids.roles |= FC_PORT_ROLE_NVME_INITIATOR;
6060         if (fcport->port_type & FCT_NVME_TARGET)
6061                 rport_ids.roles |= FC_PORT_ROLE_NVME_TARGET;
6062         if (fcport->port_type & FCT_NVME_DISCOVERY)
6063                 rport_ids.roles |= FC_PORT_ROLE_NVME_DISCOVERY;
6064
6065         fc_remote_port_rolechg(rport, rport_ids.roles);
6066
6067         ql_dbg(ql_dbg_disc, vha, 0x20ee,
6068             "%s: %8phN. rport %ld:0:%d (%p) is %s mode\n",
6069             __func__, fcport->port_name, vha->host_no,
6070             rport->scsi_target_id, rport,
6071             (fcport->port_type == FCT_TARGET) ? "tgt" :
6072             ((fcport->port_type & FCT_NVME) ? "nvme" : "ini"));
6073 }
6074
6075 /*
6076  * qla2x00_update_fcport
6077  *      Updates device on list.
6078  *
6079  * Input:
6080  *      ha = adapter block pointer.
6081  *      fcport = port structure pointer.
6082  *
6083  * Return:
6084  *      0  - Success
6085  *  BIT_0 - error
6086  *
6087  * Context:
6088  *      Kernel context.
6089  */
6090 void
6091 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
6092 {
6093         if (IS_SW_RESV_ADDR(fcport->d_id))
6094                 return;
6095
6096         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
6097             __func__, fcport->port_name);
6098
6099         qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
6100         fcport->login_retry = vha->hw->login_retry_count;
6101         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6102         fcport->deleted = 0;
6103         if (vha->hw->current_topology == ISP_CFG_NL)
6104                 fcport->logout_on_delete = 0;
6105         else
6106                 fcport->logout_on_delete = 1;
6107         fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
6108
6109         if (fcport->tgt_link_down_time < fcport->dev_loss_tmo) {
6110                 fcport->tgt_short_link_down_cnt++;
6111                 fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
6112         }
6113
6114         switch (vha->hw->current_topology) {
6115         case ISP_CFG_N:
6116         case ISP_CFG_NL:
6117                 fcport->keep_nport_handle = 1;
6118                 break;
6119         default:
6120                 break;
6121         }
6122
6123         qla2x00_iidma_fcport(vha, fcport);
6124
6125         qla2x00_dfs_create_rport(vha, fcport);
6126
6127         qla24xx_update_fcport_fcp_prio(vha, fcport);
6128
6129         switch (vha->host->active_mode) {
6130         case MODE_INITIATOR:
6131                 qla2x00_reg_remote_port(vha, fcport);
6132                 break;
6133         case MODE_TARGET:
6134                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
6135                         !vha->vha_tgt.qla_tgt->tgt_stopped)
6136                         qlt_fc_port_added(vha, fcport);
6137                 break;
6138         case MODE_DUAL:
6139                 qla2x00_reg_remote_port(vha, fcport);
6140                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
6141                         !vha->vha_tgt.qla_tgt->tgt_stopped)
6142                         qlt_fc_port_added(vha, fcport);
6143                 break;
6144         default:
6145                 break;
6146         }
6147
6148         if (NVME_TARGET(vha->hw, fcport))
6149                 qla_nvme_register_remote(vha, fcport);
6150
6151         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
6152
6153         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
6154                 if (fcport->id_changed) {
6155                         fcport->id_changed = 0;
6156                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
6157                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
6158                             __func__, __LINE__, fcport->port_name,
6159                             vha->fcport_count);
6160                         qla24xx_post_gfpnid_work(vha, fcport);
6161                 } else {
6162                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
6163                             "%s %d %8phC post gpsc fcp_cnt %d\n",
6164                             __func__, __LINE__, fcport->port_name,
6165                             vha->fcport_count);
6166                         qla24xx_post_gpsc_work(vha, fcport);
6167                 }
6168         }
6169
6170         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
6171 }
6172
6173 void qla_register_fcport_fn(struct work_struct *work)
6174 {
6175         fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
6176         u32 rscn_gen = fcport->rscn_gen;
6177         u16 data[2];
6178
6179         if (IS_SW_RESV_ADDR(fcport->d_id))
6180                 return;
6181
6182         qla2x00_update_fcport(fcport->vha, fcport);
6183
6184         ql_dbg(ql_dbg_disc, fcport->vha, 0x911e,
6185                "%s rscn gen %d/%d next DS %d\n", __func__,
6186                rscn_gen, fcport->rscn_gen, fcport->next_disc_state);
6187
6188         if (rscn_gen != fcport->rscn_gen) {
6189                 /* RSCN(s) came in while registration */
6190                 switch (fcport->next_disc_state) {
6191                 case DSC_DELETE_PEND:
6192                         qlt_schedule_sess_for_deletion(fcport);
6193                         break;
6194                 case DSC_ADISC:
6195                         data[0] = data[1] = 0;
6196                         qla2x00_post_async_adisc_work(fcport->vha, fcport,
6197                             data);
6198                         break;
6199                 default:
6200                         break;
6201                 }
6202         }
6203 }
6204
6205 /*
6206  * qla2x00_configure_fabric
6207  *      Setup SNS devices with loop ID's.
6208  *
6209  * Input:
6210  *      ha = adapter block pointer.
6211  *
6212  * Returns:
6213  *      0 = success.
6214  *      BIT_0 = error
6215  */
6216 static int
6217 qla2x00_configure_fabric(scsi_qla_host_t *vha)
6218 {
6219         int     rval;
6220         fc_port_t       *fcport;
6221         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6222         uint16_t        loop_id;
6223         struct qla_hw_data *ha = vha->hw;
6224         int             discovery_gen;
6225
6226         /* If FL port exists, then SNS is present */
6227         if (IS_FWI2_CAPABLE(ha))
6228                 loop_id = NPH_F_PORT;
6229         else
6230                 loop_id = SNS_FL_PORT;
6231         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
6232         if (rval != QLA_SUCCESS) {
6233                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
6234                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
6235
6236                 vha->device_flags &= ~SWITCH_FOUND;
6237                 return (QLA_SUCCESS);
6238         }
6239         vha->device_flags |= SWITCH_FOUND;
6240
6241         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_port_name, 0);
6242         if (rval != QLA_SUCCESS)
6243                 ql_dbg(ql_dbg_disc, vha, 0x20ff,
6244                     "Failed to get Fabric Port Name\n");
6245
6246         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
6247                 rval = qla2x00_send_change_request(vha, 0x3, 0);
6248                 if (rval != QLA_SUCCESS)
6249                         ql_log(ql_log_warn, vha, 0x121,
6250                             "Failed to enable receiving of RSCN requests: 0x%x.\n",
6251                             rval);
6252         }
6253
6254         do {
6255                 qla2x00_mgmt_svr_login(vha);
6256
6257                 /* Ensure we are logged into the SNS. */
6258                 loop_id = NPH_SNS_LID(ha);
6259                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
6260                     0xfc, mb, BIT_1|BIT_0);
6261                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
6262                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
6263                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
6264                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
6265                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6266                         return rval;
6267                 }
6268
6269                 /* FDMI support. */
6270                 if (ql2xfdmienable &&
6271                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
6272                         qla2x00_fdmi_register(vha);
6273
6274                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
6275                         if (qla2x00_rft_id(vha)) {
6276                                 /* EMPTY */
6277                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
6278                                     "Register FC-4 TYPE failed.\n");
6279                                 if (test_bit(LOOP_RESYNC_NEEDED,
6280                                     &vha->dpc_flags))
6281                                         break;
6282                         }
6283                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
6284                                 /* EMPTY */
6285                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
6286                                     "Register FC-4 Features failed.\n");
6287                                 if (test_bit(LOOP_RESYNC_NEEDED,
6288                                     &vha->dpc_flags))
6289                                         break;
6290                         }
6291                         if (vha->flags.nvme_enabled) {
6292                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
6293                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
6294                                             "Register NVME FC Type Features failed.\n");
6295                                 }
6296                         }
6297                         if (qla2x00_rnn_id(vha)) {
6298                                 /* EMPTY */
6299                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
6300                                     "Register Node Name failed.\n");
6301                                 if (test_bit(LOOP_RESYNC_NEEDED,
6302                                     &vha->dpc_flags))
6303                                         break;
6304                         } else if (qla2x00_rsnn_nn(vha)) {
6305                                 /* EMPTY */
6306                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
6307                                     "Register Symbolic Node Name failed.\n");
6308                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6309                                         break;
6310                         }
6311                 }
6312
6313
6314                 /* Mark the time right before querying FW for connected ports.
6315                  * This process is long, asynchronous and by the time it's done,
6316                  * collected information might not be accurate anymore. E.g.
6317                  * disconnected port might have re-connected and a brand new
6318                  * session has been created. In this case session's generation
6319                  * will be newer than discovery_gen. */
6320                 qlt_do_generation_tick(vha, &discovery_gen);
6321
6322                 if (USE_ASYNC_SCAN(ha)) {
6323                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
6324                             NULL);
6325                         if (rval)
6326                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6327                 } else  {
6328                         list_for_each_entry(fcport, &vha->vp_fcports, list)
6329                                 fcport->scan_state = QLA_FCPORT_SCAN;
6330
6331                         rval = qla2x00_find_all_fabric_devs(vha);
6332                 }
6333                 if (rval != QLA_SUCCESS)
6334                         break;
6335         } while (0);
6336
6337         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
6338                 qla_nvme_register_hba(vha);
6339
6340         if (rval)
6341                 ql_dbg(ql_dbg_disc, vha, 0x2068,
6342                     "Configure fabric error exit rval=%d.\n", rval);
6343
6344         return (rval);
6345 }
6346
6347 /*
6348  * qla2x00_find_all_fabric_devs
6349  *
6350  * Input:
6351  *      ha = adapter block pointer.
6352  *      dev = database device entry pointer.
6353  *
6354  * Returns:
6355  *      0 = success.
6356  *
6357  * Context:
6358  *      Kernel context.
6359  */
6360 static int
6361 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
6362 {
6363         int             rval;
6364         uint16_t        loop_id;
6365         fc_port_t       *fcport, *new_fcport;
6366         int             found;
6367
6368         sw_info_t       *swl;
6369         int             swl_idx;
6370         int             first_dev, last_dev;
6371         port_id_t       wrap = {}, nxt_d_id;
6372         struct qla_hw_data *ha = vha->hw;
6373         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6374         unsigned long flags;
6375
6376         rval = QLA_SUCCESS;
6377
6378         /* Try GID_PT to get device list, else GAN. */
6379         if (!ha->swl)
6380                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
6381                     GFP_KERNEL);
6382         swl = ha->swl;
6383         if (!swl) {
6384                 /*EMPTY*/
6385                 ql_dbg(ql_dbg_disc, vha, 0x209c,
6386                     "GID_PT allocations failed, fallback on GA_NXT.\n");
6387         } else {
6388                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
6389                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
6390                         swl = NULL;
6391                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6392                                 return rval;
6393                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
6394                         swl = NULL;
6395                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6396                                 return rval;
6397                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
6398                         swl = NULL;
6399                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6400                                 return rval;
6401                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
6402                         swl = NULL;
6403                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6404                                 return rval;
6405                 }
6406
6407                 /* If other queries succeeded probe for FC-4 type */
6408                 if (swl) {
6409                         qla2x00_gff_id(vha, swl);
6410                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6411                                 return rval;
6412                 }
6413         }
6414         swl_idx = 0;
6415
6416         /* Allocate temporary fcport for any new fcports discovered. */
6417         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
6418         if (new_fcport == NULL) {
6419                 ql_log(ql_log_warn, vha, 0x209d,
6420                     "Failed to allocate memory for fcport.\n");
6421                 return (QLA_MEMORY_ALLOC_FAILED);
6422         }
6423         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
6424         /* Set start port ID scan at adapter ID. */
6425         first_dev = 1;
6426         last_dev = 0;
6427
6428         /* Starting free loop ID. */
6429         loop_id = ha->min_external_loopid;
6430         for (; loop_id <= ha->max_loop_id; loop_id++) {
6431                 if (qla2x00_is_reserved_id(vha, loop_id))
6432                         continue;
6433
6434                 if (ha->current_topology == ISP_CFG_FL &&
6435                     (atomic_read(&vha->loop_down_timer) ||
6436                      LOOP_TRANSITION(vha))) {
6437                         atomic_set(&vha->loop_down_timer, 0);
6438                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6439                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
6440                         break;
6441                 }
6442
6443                 if (swl != NULL) {
6444                         if (last_dev) {
6445                                 wrap.b24 = new_fcport->d_id.b24;
6446                         } else {
6447                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
6448                                 memcpy(new_fcport->node_name,
6449                                     swl[swl_idx].node_name, WWN_SIZE);
6450                                 memcpy(new_fcport->port_name,
6451                                     swl[swl_idx].port_name, WWN_SIZE);
6452                                 memcpy(new_fcport->fabric_port_name,
6453                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
6454                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
6455                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
6456
6457                                 new_fcport->nvme_flag = 0;
6458                                 if (vha->flags.nvme_enabled &&
6459                                     swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) {
6460                                         ql_log(ql_log_info, vha, 0x2131,
6461                                             "FOUND: NVME port %8phC as FC Type 28h\n",
6462                                             new_fcport->port_name);
6463                                 }
6464
6465                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
6466                                         last_dev = 1;
6467                                 }
6468                                 swl_idx++;
6469                         }
6470                 } else {
6471                         /* Send GA_NXT to the switch */
6472                         rval = qla2x00_ga_nxt(vha, new_fcport);
6473                         if (rval != QLA_SUCCESS) {
6474                                 ql_log(ql_log_warn, vha, 0x209e,
6475                                     "SNS scan failed -- assuming "
6476                                     "zero-entry result.\n");
6477                                 rval = QLA_SUCCESS;
6478                                 break;
6479                         }
6480                 }
6481
6482                 /* If wrap on switch device list, exit. */
6483                 if (first_dev) {
6484                         wrap.b24 = new_fcport->d_id.b24;
6485                         first_dev = 0;
6486                 } else if (new_fcport->d_id.b24 == wrap.b24) {
6487                         ql_dbg(ql_dbg_disc, vha, 0x209f,
6488                             "Device wrap (%02x%02x%02x).\n",
6489                             new_fcport->d_id.b.domain,
6490                             new_fcport->d_id.b.area,
6491                             new_fcport->d_id.b.al_pa);
6492                         break;
6493                 }
6494
6495                 /* Bypass if same physical adapter. */
6496                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
6497                         continue;
6498
6499                 /* Bypass virtual ports of the same host. */
6500                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
6501                         continue;
6502
6503                 /* Bypass if same domain and area of adapter. */
6504                 if (((new_fcport->d_id.b24 & 0xffff00) ==
6505                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
6506                         ISP_CFG_FL)
6507                             continue;
6508
6509                 /* Bypass reserved domain fields. */
6510                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
6511                         continue;
6512
6513                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
6514                 if (ql2xgffidenable &&
6515                     (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) &&
6516                     new_fcport->fc4_type != 0))
6517                         continue;
6518
6519                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
6520
6521                 /* Locate matching device in database. */
6522                 found = 0;
6523                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6524                         if (memcmp(new_fcport->port_name, fcport->port_name,
6525                             WWN_SIZE))
6526                                 continue;
6527
6528                         fcport->scan_state = QLA_FCPORT_FOUND;
6529
6530                         found++;
6531
6532                         /* Update port state. */
6533                         memcpy(fcport->fabric_port_name,
6534                             new_fcport->fabric_port_name, WWN_SIZE);
6535                         fcport->fp_speed = new_fcport->fp_speed;
6536
6537                         /*
6538                          * If address the same and state FCS_ONLINE
6539                          * (or in target mode), nothing changed.
6540                          */
6541                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
6542                             (atomic_read(&fcport->state) == FCS_ONLINE ||
6543                              (vha->host->active_mode == MODE_TARGET))) {
6544                                 break;
6545                         }
6546
6547                         if (fcport->login_retry == 0)
6548                                 fcport->login_retry =
6549                                         vha->hw->login_retry_count;
6550                         /*
6551                          * If device was not a fabric device before.
6552                          */
6553                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
6554                                 fcport->d_id.b24 = new_fcport->d_id.b24;
6555                                 qla2x00_clear_loop_id(fcport);
6556                                 fcport->flags |= (FCF_FABRIC_DEVICE |
6557                                     FCF_LOGIN_NEEDED);
6558                                 break;
6559                         }
6560
6561                         /*
6562                          * Port ID changed or device was marked to be updated;
6563                          * Log it out if still logged in and mark it for
6564                          * relogin later.
6565                          */
6566                         if (qla_tgt_mode_enabled(base_vha)) {
6567                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
6568                                          "port changed FC ID, %8phC"
6569                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
6570                                          fcport->port_name,
6571                                          fcport->d_id.b.domain,
6572                                          fcport->d_id.b.area,
6573                                          fcport->d_id.b.al_pa,
6574                                          fcport->loop_id,
6575                                          new_fcport->d_id.b.domain,
6576                                          new_fcport->d_id.b.area,
6577                                          new_fcport->d_id.b.al_pa);
6578                                 fcport->d_id.b24 = new_fcport->d_id.b24;
6579                                 break;
6580                         }
6581
6582                         fcport->d_id.b24 = new_fcport->d_id.b24;
6583                         fcport->flags |= FCF_LOGIN_NEEDED;
6584                         break;
6585                 }
6586
6587                 if (found && NVME_TARGET(vha->hw, fcport)) {
6588                         if (fcport->disc_state == DSC_DELETE_PEND) {
6589                                 qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
6590                                 vha->fcport_count--;
6591                                 fcport->login_succ = 0;
6592                         }
6593                 }
6594
6595                 if (found) {
6596                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6597                         continue;
6598                 }
6599                 /* If device was not in our fcports list, then add it. */
6600                 new_fcport->scan_state = QLA_FCPORT_FOUND;
6601                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
6602
6603                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6604
6605
6606                 /* Allocate a new replacement fcport. */
6607                 nxt_d_id.b24 = new_fcport->d_id.b24;
6608                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
6609                 if (new_fcport == NULL) {
6610                         ql_log(ql_log_warn, vha, 0xd032,
6611                             "Memory allocation failed for fcport.\n");
6612                         return (QLA_MEMORY_ALLOC_FAILED);
6613                 }
6614                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
6615                 new_fcport->d_id.b24 = nxt_d_id.b24;
6616         }
6617
6618         qla2x00_free_fcport(new_fcport);
6619
6620         /*
6621          * Logout all previous fabric dev marked lost, except FCP2 devices.
6622          */
6623         list_for_each_entry(fcport, &vha->vp_fcports, list) {
6624                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6625                         break;
6626
6627                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
6628                         continue;
6629
6630                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
6631                         if ((qla_dual_mode_enabled(vha) ||
6632                             qla_ini_mode_enabled(vha)) &&
6633                             atomic_read(&fcport->state) == FCS_ONLINE) {
6634                                 qla2x00_mark_device_lost(vha, fcport,
6635                                         ql2xplogiabsentdevice);
6636                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
6637                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
6638                                     fcport->port_type != FCT_INITIATOR &&
6639                                     fcport->port_type != FCT_BROADCAST) {
6640                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
6641                                             "%s %d %8phC post del sess\n",
6642                                             __func__, __LINE__,
6643                                             fcport->port_name);
6644                                         qlt_schedule_sess_for_deletion(fcport);
6645                                         continue;
6646                                 }
6647                         }
6648                 }
6649
6650                 if (fcport->scan_state == QLA_FCPORT_FOUND &&
6651                     (fcport->flags & FCF_LOGIN_NEEDED) != 0)
6652                         qla24xx_fcport_handle_login(vha, fcport);
6653         }
6654         return (rval);
6655 }
6656
6657 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
6658 int
6659 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
6660 {
6661         int loop_id = FC_NO_LOOP_ID;
6662         int lid = NPH_MGMT_SERVER - vha->vp_idx;
6663         unsigned long flags;
6664         struct qla_hw_data *ha = vha->hw;
6665
6666         if (vha->vp_idx == 0) {
6667                 set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
6668                 return NPH_MGMT_SERVER;
6669         }
6670
6671         /* pick id from high and work down to low */
6672         spin_lock_irqsave(&ha->vport_slock, flags);
6673         for (; lid > 0; lid--) {
6674                 if (!test_bit(lid, vha->hw->loop_id_map)) {
6675                         set_bit(lid, vha->hw->loop_id_map);
6676                         loop_id = lid;
6677                         break;
6678                 }
6679         }
6680         spin_unlock_irqrestore(&ha->vport_slock, flags);
6681
6682         return loop_id;
6683 }
6684
6685 /*
6686  * qla2x00_fabric_login
6687  *      Issue fabric login command.
6688  *
6689  * Input:
6690  *      ha = adapter block pointer.
6691  *      device = pointer to FC device type structure.
6692  *
6693  * Returns:
6694  *      0 - Login successfully
6695  *      1 - Login failed
6696  *      2 - Initiator device
6697  *      3 - Fatal error
6698  */
6699 int
6700 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
6701     uint16_t *next_loopid)
6702 {
6703         int     rval;
6704         int     retry;
6705         uint16_t tmp_loopid;
6706         uint16_t mb[MAILBOX_REGISTER_COUNT];
6707         struct qla_hw_data *ha = vha->hw;
6708
6709         retry = 0;
6710         tmp_loopid = 0;
6711
6712         for (;;) {
6713                 ql_dbg(ql_dbg_disc, vha, 0x2000,
6714                     "Trying Fabric Login w/loop id 0x%04x for port "
6715                     "%02x%02x%02x.\n",
6716                     fcport->loop_id, fcport->d_id.b.domain,
6717                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
6718
6719                 /* Login fcport on switch. */
6720                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
6721                     fcport->d_id.b.domain, fcport->d_id.b.area,
6722                     fcport->d_id.b.al_pa, mb, BIT_0);
6723                 if (rval != QLA_SUCCESS) {
6724                         return rval;
6725                 }
6726                 if (mb[0] == MBS_PORT_ID_USED) {
6727                         /*
6728                          * Device has another loop ID.  The firmware team
6729                          * recommends the driver perform an implicit login with
6730                          * the specified ID again. The ID we just used is save
6731                          * here so we return with an ID that can be tried by
6732                          * the next login.
6733                          */
6734                         retry++;
6735                         tmp_loopid = fcport->loop_id;
6736                         fcport->loop_id = mb[1];
6737
6738                         ql_dbg(ql_dbg_disc, vha, 0x2001,
6739                             "Fabric Login: port in use - next loop "
6740                             "id=0x%04x, port id= %02x%02x%02x.\n",
6741                             fcport->loop_id, fcport->d_id.b.domain,
6742                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6743
6744                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
6745                         /*
6746                          * Login succeeded.
6747                          */
6748                         if (retry) {
6749                                 /* A retry occurred before. */
6750                                 *next_loopid = tmp_loopid;
6751                         } else {
6752                                 /*
6753                                  * No retry occurred before. Just increment the
6754                                  * ID value for next login.
6755                                  */
6756                                 *next_loopid = (fcport->loop_id + 1);
6757                         }
6758
6759                         if (mb[1] & BIT_0) {
6760                                 fcport->port_type = FCT_INITIATOR;
6761                         } else {
6762                                 fcport->port_type = FCT_TARGET;
6763                                 if (mb[1] & BIT_1) {
6764                                         fcport->flags |= FCF_FCP2_DEVICE;
6765                                 }
6766                         }
6767
6768                         if (mb[10] & BIT_0)
6769                                 fcport->supported_classes |= FC_COS_CLASS2;
6770                         if (mb[10] & BIT_1)
6771                                 fcport->supported_classes |= FC_COS_CLASS3;
6772
6773                         if (IS_FWI2_CAPABLE(ha)) {
6774                                 if (mb[10] & BIT_7)
6775                                         fcport->flags |=
6776                                             FCF_CONF_COMP_SUPPORTED;
6777                         }
6778
6779                         rval = QLA_SUCCESS;
6780                         break;
6781                 } else if (mb[0] == MBS_LOOP_ID_USED) {
6782                         /*
6783                          * Loop ID already used, try next loop ID.
6784                          */
6785                         fcport->loop_id++;
6786                         rval = qla2x00_find_new_loop_id(vha, fcport);
6787                         if (rval != QLA_SUCCESS) {
6788                                 /* Ran out of loop IDs to use */
6789                                 break;
6790                         }
6791                 } else if (mb[0] == MBS_COMMAND_ERROR) {
6792                         /*
6793                          * Firmware possibly timed out during login. If NO
6794                          * retries are left to do then the device is declared
6795                          * dead.
6796                          */
6797                         *next_loopid = fcport->loop_id;
6798                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6799                             fcport->d_id.b.domain, fcport->d_id.b.area,
6800                             fcport->d_id.b.al_pa);
6801                         qla2x00_mark_device_lost(vha, fcport, 1);
6802
6803                         rval = 1;
6804                         break;
6805                 } else {
6806                         /*
6807                          * unrecoverable / not handled error
6808                          */
6809                         ql_dbg(ql_dbg_disc, vha, 0x2002,
6810                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
6811                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
6812                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
6813                             fcport->loop_id, jiffies);
6814
6815                         *next_loopid = fcport->loop_id;
6816                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6817                             fcport->d_id.b.domain, fcport->d_id.b.area,
6818                             fcport->d_id.b.al_pa);
6819                         qla2x00_clear_loop_id(fcport);
6820                         fcport->login_retry = 0;
6821
6822                         rval = 3;
6823                         break;
6824                 }
6825         }
6826
6827         return (rval);
6828 }
6829
6830 /*
6831  * qla2x00_local_device_login
6832  *      Issue local device login command.
6833  *
6834  * Input:
6835  *      ha = adapter block pointer.
6836  *      loop_id = loop id of device to login to.
6837  *
6838  * Returns (Where's the #define!!!!):
6839  *      0 - Login successfully
6840  *      1 - Login failed
6841  *      3 - Fatal error
6842  */
6843 int
6844 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6845 {
6846         int             rval;
6847         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6848
6849         memset(mb, 0, sizeof(mb));
6850         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6851         if (rval == QLA_SUCCESS) {
6852                 /* Interrogate mailbox registers for any errors */
6853                 if (mb[0] == MBS_COMMAND_ERROR)
6854                         rval = 1;
6855                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6856                         /* device not in PCB table */
6857                         rval = 3;
6858         }
6859
6860         return (rval);
6861 }
6862
6863 /*
6864  *  qla2x00_loop_resync
6865  *      Resync with fibre channel devices.
6866  *
6867  * Input:
6868  *      ha = adapter block pointer.
6869  *
6870  * Returns:
6871  *      0 = success
6872  */
6873 int
6874 qla2x00_loop_resync(scsi_qla_host_t *vha)
6875 {
6876         int rval = QLA_SUCCESS;
6877         uint32_t wait_time;
6878
6879         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6880         if (vha->flags.online) {
6881                 if (!(rval = qla2x00_fw_ready(vha))) {
6882                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
6883                         wait_time = 256;
6884                         do {
6885                                 if (!IS_QLAFX00(vha->hw)) {
6886                                         /*
6887                                          * Issue a marker after FW becomes
6888                                          * ready.
6889                                          */
6890                                         qla2x00_marker(vha, vha->hw->base_qpair,
6891                                             0, 0, MK_SYNC_ALL);
6892                                         vha->marker_needed = 0;
6893                                 }
6894
6895                                 /* Remap devices on Loop. */
6896                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6897
6898                                 if (IS_QLAFX00(vha->hw))
6899                                         qlafx00_configure_devices(vha);
6900                                 else
6901                                         qla2x00_configure_loop(vha);
6902
6903                                 wait_time--;
6904                         } while (!atomic_read(&vha->loop_down_timer) &&
6905                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6906                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6907                                 &vha->dpc_flags)));
6908                 }
6909         }
6910
6911         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6912                 return (QLA_FUNCTION_FAILED);
6913
6914         if (rval)
6915                 ql_dbg(ql_dbg_disc, vha, 0x206c,
6916                     "%s *** FAILED ***.\n", __func__);
6917
6918         return (rval);
6919 }
6920
6921 /*
6922 * qla2x00_perform_loop_resync
6923 * Description: This function will set the appropriate flags and call
6924 *              qla2x00_loop_resync. If successful loop will be resynced
6925 * Arguments : scsi_qla_host_t pointer
6926 * returm    : Success or Failure
6927 */
6928
6929 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
6930 {
6931         int32_t rval = 0;
6932
6933         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
6934                 /*Configure the flags so that resync happens properly*/
6935                 atomic_set(&ha->loop_down_timer, 0);
6936                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
6937                         atomic_set(&ha->loop_state, LOOP_UP);
6938                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
6939                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
6940                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
6941
6942                         rval = qla2x00_loop_resync(ha);
6943                 } else
6944                         atomic_set(&ha->loop_state, LOOP_DEAD);
6945
6946                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
6947         }
6948
6949         return rval;
6950 }
6951
6952 /* Assumes idc_lock always held on entry */
6953 void
6954 qla83xx_reset_ownership(scsi_qla_host_t *vha)
6955 {
6956         struct qla_hw_data *ha = vha->hw;
6957         uint32_t drv_presence, drv_presence_mask;
6958         uint32_t dev_part_info1, dev_part_info2, class_type;
6959         uint32_t class_type_mask = 0x3;
6960         uint16_t fcoe_other_function = 0xffff, i;
6961
6962         if (IS_QLA8044(ha)) {
6963                 drv_presence = qla8044_rd_direct(vha,
6964                     QLA8044_CRB_DRV_ACTIVE_INDEX);
6965                 dev_part_info1 = qla8044_rd_direct(vha,
6966                     QLA8044_CRB_DEV_PART_INFO_INDEX);
6967                 dev_part_info2 = qla8044_rd_direct(vha,
6968                     QLA8044_CRB_DEV_PART_INFO2);
6969         } else {
6970                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6971                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
6972                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
6973         }
6974         for (i = 0; i < 8; i++) {
6975                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
6976                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6977                     (i != ha->portnum)) {
6978                         fcoe_other_function = i;
6979                         break;
6980                 }
6981         }
6982         if (fcoe_other_function == 0xffff) {
6983                 for (i = 0; i < 8; i++) {
6984                         class_type = ((dev_part_info2 >> (i * 4)) &
6985                             class_type_mask);
6986                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6987                             ((i + 8) != ha->portnum)) {
6988                                 fcoe_other_function = i + 8;
6989                                 break;
6990                         }
6991                 }
6992         }
6993         /*
6994          * Prepare drv-presence mask based on fcoe functions present.
6995          * However consider only valid physical fcoe function numbers (0-15).
6996          */
6997         drv_presence_mask = ~((1 << (ha->portnum)) |
6998                         ((fcoe_other_function == 0xffff) ?
6999                          0 : (1 << (fcoe_other_function))));
7000
7001         /* We are the reset owner iff:
7002          *    - No other protocol drivers present.
7003          *    - This is the lowest among fcoe functions. */
7004         if (!(drv_presence & drv_presence_mask) &&
7005                         (ha->portnum < fcoe_other_function)) {
7006                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
7007                     "This host is Reset owner.\n");
7008                 ha->flags.nic_core_reset_owner = 1;
7009         }
7010 }
7011
7012 static int
7013 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
7014 {
7015         int rval = QLA_SUCCESS;
7016         struct qla_hw_data *ha = vha->hw;
7017         uint32_t drv_ack;
7018
7019         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
7020         if (rval == QLA_SUCCESS) {
7021                 drv_ack |= (1 << ha->portnum);
7022                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
7023         }
7024
7025         return rval;
7026 }
7027
7028 static int
7029 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
7030 {
7031         int rval = QLA_SUCCESS;
7032         struct qla_hw_data *ha = vha->hw;
7033         uint32_t drv_ack;
7034
7035         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
7036         if (rval == QLA_SUCCESS) {
7037                 drv_ack &= ~(1 << ha->portnum);
7038                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
7039         }
7040
7041         return rval;
7042 }
7043
7044 /* Assumes idc-lock always held on entry */
7045 void
7046 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
7047 {
7048         struct qla_hw_data *ha = vha->hw;
7049         uint32_t idc_audit_reg = 0, duration_secs = 0;
7050
7051         switch (audit_type) {
7052         case IDC_AUDIT_TIMESTAMP:
7053                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
7054                 idc_audit_reg = (ha->portnum) |
7055                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
7056                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
7057                 break;
7058
7059         case IDC_AUDIT_COMPLETION:
7060                 duration_secs = ((jiffies_to_msecs(jiffies) -
7061                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
7062                 idc_audit_reg = (ha->portnum) |
7063                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
7064                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
7065                 break;
7066
7067         default:
7068                 ql_log(ql_log_warn, vha, 0xb078,
7069                     "Invalid audit type specified.\n");
7070                 break;
7071         }
7072 }
7073
7074 /* Assumes idc_lock always held on entry */
7075 static int
7076 qla83xx_initiating_reset(scsi_qla_host_t *vha)
7077 {
7078         struct qla_hw_data *ha = vha->hw;
7079         uint32_t  idc_control, dev_state;
7080
7081         __qla83xx_get_idc_control(vha, &idc_control);
7082         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
7083                 ql_log(ql_log_info, vha, 0xb080,
7084                     "NIC Core reset has been disabled. idc-control=0x%x\n",
7085                     idc_control);
7086                 return QLA_FUNCTION_FAILED;
7087         }
7088
7089         /* Set NEED-RESET iff in READY state and we are the reset-owner */
7090         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
7091         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
7092                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
7093                     QLA8XXX_DEV_NEED_RESET);
7094                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
7095                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
7096         } else {
7097                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n",
7098                                 qdev_state(dev_state));
7099
7100                 /* SV: XXX: Is timeout required here? */
7101                 /* Wait for IDC state change READY -> NEED_RESET */
7102                 while (dev_state == QLA8XXX_DEV_READY) {
7103                         qla83xx_idc_unlock(vha, 0);
7104                         msleep(200);
7105                         qla83xx_idc_lock(vha, 0);
7106                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
7107                 }
7108         }
7109
7110         /* Send IDC ack by writing to drv-ack register */
7111         __qla83xx_set_drv_ack(vha);
7112
7113         return QLA_SUCCESS;
7114 }
7115
7116 int
7117 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
7118 {
7119         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
7120 }
7121
7122 int
7123 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
7124 {
7125         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
7126 }
7127
7128 static int
7129 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
7130 {
7131         uint32_t drv_presence = 0;
7132         struct qla_hw_data *ha = vha->hw;
7133
7134         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
7135         if (drv_presence & (1 << ha->portnum))
7136                 return QLA_SUCCESS;
7137         else
7138                 return QLA_TEST_FAILED;
7139 }
7140
7141 int
7142 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
7143 {
7144         int rval = QLA_SUCCESS;
7145         struct qla_hw_data *ha = vha->hw;
7146
7147         ql_dbg(ql_dbg_p3p, vha, 0xb058,
7148             "Entered  %s().\n", __func__);
7149
7150         if (vha->device_flags & DFLG_DEV_FAILED) {
7151                 ql_log(ql_log_warn, vha, 0xb059,
7152                     "Device in unrecoverable FAILED state.\n");
7153                 return QLA_FUNCTION_FAILED;
7154         }
7155
7156         qla83xx_idc_lock(vha, 0);
7157
7158         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
7159                 ql_log(ql_log_warn, vha, 0xb05a,
7160                     "Function=0x%x has been removed from IDC participation.\n",
7161                     ha->portnum);
7162                 rval = QLA_FUNCTION_FAILED;
7163                 goto exit;
7164         }
7165
7166         qla83xx_reset_ownership(vha);
7167
7168         rval = qla83xx_initiating_reset(vha);
7169
7170         /*
7171          * Perform reset if we are the reset-owner,
7172          * else wait till IDC state changes to READY/FAILED.
7173          */
7174         if (rval == QLA_SUCCESS) {
7175                 rval = qla83xx_idc_state_handler(vha);
7176
7177                 if (rval == QLA_SUCCESS)
7178                         ha->flags.nic_core_hung = 0;
7179                 __qla83xx_clear_drv_ack(vha);
7180         }
7181
7182 exit:
7183         qla83xx_idc_unlock(vha, 0);
7184
7185         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
7186
7187         return rval;
7188 }
7189
7190 int
7191 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
7192 {
7193         struct qla_hw_data *ha = vha->hw;
7194         int rval = QLA_FUNCTION_FAILED;
7195
7196         if (!IS_MCTP_CAPABLE(ha)) {
7197                 /* This message can be removed from the final version */
7198                 ql_log(ql_log_info, vha, 0x506d,
7199                     "This board is not MCTP capable\n");
7200                 return rval;
7201         }
7202
7203         if (!ha->mctp_dump) {
7204                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
7205                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
7206
7207                 if (!ha->mctp_dump) {
7208                         ql_log(ql_log_warn, vha, 0x506e,
7209                             "Failed to allocate memory for mctp dump\n");
7210                         return rval;
7211                 }
7212         }
7213
7214 #define MCTP_DUMP_STR_ADDR      0x00000000
7215         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
7216             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
7217         if (rval != QLA_SUCCESS) {
7218                 ql_log(ql_log_warn, vha, 0x506f,
7219                     "Failed to capture mctp dump\n");
7220         } else {
7221                 ql_log(ql_log_info, vha, 0x5070,
7222                     "Mctp dump capture for host (%ld/%p).\n",
7223                     vha->host_no, ha->mctp_dump);
7224                 ha->mctp_dumped = 1;
7225         }
7226
7227         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
7228                 ha->flags.nic_core_reset_hdlr_active = 1;
7229                 rval = qla83xx_restart_nic_firmware(vha);
7230                 if (rval)
7231                         /* NIC Core reset failed. */
7232                         ql_log(ql_log_warn, vha, 0x5071,
7233                             "Failed to restart nic firmware\n");
7234                 else
7235                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
7236                             "Restarted NIC firmware successfully.\n");
7237                 ha->flags.nic_core_reset_hdlr_active = 0;
7238         }
7239
7240         return rval;
7241
7242 }
7243
7244 /*
7245 * qla2x00_quiesce_io
7246 * Description: This function will block the new I/Os
7247 *              Its not aborting any I/Os as context
7248 *              is not destroyed during quiescence
7249 * Arguments: scsi_qla_host_t
7250 * return   : void
7251 */
7252 void
7253 qla2x00_quiesce_io(scsi_qla_host_t *vha)
7254 {
7255         struct qla_hw_data *ha = vha->hw;
7256         struct scsi_qla_host *vp, *tvp;
7257         unsigned long flags;
7258
7259         ql_dbg(ql_dbg_dpc, vha, 0x401d,
7260             "Quiescing I/O - ha=%p.\n", ha);
7261
7262         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
7263         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
7264                 atomic_set(&vha->loop_state, LOOP_DOWN);
7265                 qla2x00_mark_all_devices_lost(vha);
7266
7267                 spin_lock_irqsave(&ha->vport_slock, flags);
7268                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7269                         atomic_inc(&vp->vref_count);
7270                         spin_unlock_irqrestore(&ha->vport_slock, flags);
7271
7272                         qla2x00_mark_all_devices_lost(vp);
7273
7274                         spin_lock_irqsave(&ha->vport_slock, flags);
7275                         atomic_dec(&vp->vref_count);
7276                 }
7277                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7278         } else {
7279                 if (!atomic_read(&vha->loop_down_timer))
7280                         atomic_set(&vha->loop_down_timer,
7281                                         LOOP_DOWN_TIME);
7282         }
7283         /* Wait for pending cmds to complete */
7284         WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST)
7285                      != QLA_SUCCESS);
7286 }
7287
7288 void
7289 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
7290 {
7291         struct qla_hw_data *ha = vha->hw;
7292         struct scsi_qla_host *vp, *tvp;
7293         unsigned long flags;
7294         fc_port_t *fcport;
7295         u16 i;
7296
7297         /* For ISP82XX, driver waits for completion of the commands.
7298          * online flag should be set.
7299          */
7300         if (!(IS_P3P_TYPE(ha)))
7301                 vha->flags.online = 0;
7302         ha->flags.chip_reset_done = 0;
7303         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
7304         vha->qla_stats.total_isp_aborts++;
7305
7306         ql_log(ql_log_info, vha, 0x00af,
7307             "Performing ISP error recovery - ha=%p.\n", ha);
7308
7309         ha->flags.purge_mbox = 1;
7310         /* For ISP82XX, reset_chip is just disabling interrupts.
7311          * Driver waits for the completion of the commands.
7312          * the interrupts need to be enabled.
7313          */
7314         if (!(IS_P3P_TYPE(ha)))
7315                 ha->isp_ops->reset_chip(vha);
7316
7317         ha->link_data_rate = PORT_SPEED_UNKNOWN;
7318         SAVE_TOPO(ha);
7319         ha->flags.rida_fmt2 = 0;
7320         ha->flags.n2n_ae = 0;
7321         ha->flags.lip_ae = 0;
7322         ha->current_topology = 0;
7323         QLA_FW_STOPPED(ha);
7324         ha->flags.fw_init_done = 0;
7325         ha->chip_reset++;
7326         ha->base_qpair->chip_reset = ha->chip_reset;
7327         ha->base_qpair->cmd_cnt = ha->base_qpair->cmd_completion_cnt = 0;
7328         ha->base_qpair->prev_completion_cnt = 0;
7329         for (i = 0; i < ha->max_qpairs; i++) {
7330                 if (ha->queue_pair_map[i]) {
7331                         ha->queue_pair_map[i]->chip_reset =
7332                                 ha->base_qpair->chip_reset;
7333                         ha->queue_pair_map[i]->cmd_cnt =
7334                             ha->queue_pair_map[i]->cmd_completion_cnt = 0;
7335                         ha->base_qpair->prev_completion_cnt = 0;
7336                 }
7337         }
7338
7339         /* purge MBox commands */
7340         if (atomic_read(&ha->num_pend_mbx_stage3)) {
7341                 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
7342                 complete(&ha->mbx_intr_comp);
7343         }
7344
7345         i = 0;
7346         while (atomic_read(&ha->num_pend_mbx_stage3) ||
7347             atomic_read(&ha->num_pend_mbx_stage2) ||
7348             atomic_read(&ha->num_pend_mbx_stage1)) {
7349                 msleep(20);
7350                 i++;
7351                 if (i > 50)
7352                         break;
7353         }
7354         ha->flags.purge_mbox = 0;
7355
7356         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
7357         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
7358                 atomic_set(&vha->loop_state, LOOP_DOWN);
7359                 qla2x00_mark_all_devices_lost(vha);
7360
7361                 spin_lock_irqsave(&ha->vport_slock, flags);
7362                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7363                         atomic_inc(&vp->vref_count);
7364                         spin_unlock_irqrestore(&ha->vport_slock, flags);
7365
7366                         qla2x00_mark_all_devices_lost(vp);
7367
7368                         spin_lock_irqsave(&ha->vport_slock, flags);
7369                         atomic_dec(&vp->vref_count);
7370                 }
7371                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7372         } else {
7373                 if (!atomic_read(&vha->loop_down_timer))
7374                         atomic_set(&vha->loop_down_timer,
7375                             LOOP_DOWN_TIME);
7376         }
7377
7378         /* Clear all async request states across all VPs. */
7379         list_for_each_entry(fcport, &vha->vp_fcports, list) {
7380                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7381                 fcport->scan_state = 0;
7382         }
7383         spin_lock_irqsave(&ha->vport_slock, flags);
7384         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7385                 atomic_inc(&vp->vref_count);
7386                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7387
7388                 list_for_each_entry(fcport, &vp->vp_fcports, list)
7389                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7390
7391                 spin_lock_irqsave(&ha->vport_slock, flags);
7392                 atomic_dec(&vp->vref_count);
7393         }
7394         spin_unlock_irqrestore(&ha->vport_slock, flags);
7395
7396         /* Make sure for ISP 82XX IO DMA is complete */
7397         if (IS_P3P_TYPE(ha)) {
7398                 qla82xx_chip_reset_cleanup(vha);
7399                 ql_log(ql_log_info, vha, 0x00b4,
7400                        "Done chip reset cleanup.\n");
7401
7402                 /* Done waiting for pending commands. Reset online flag */
7403                 vha->flags.online = 0;
7404         }
7405
7406         /* Requeue all commands in outstanding command list. */
7407         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
7408         /* memory barrier */
7409         wmb();
7410 }
7411
7412 /*
7413 *  qla2x00_abort_isp
7414 *      Resets ISP and aborts all outstanding commands.
7415 *
7416 * Input:
7417 *      ha           = adapter block pointer.
7418 *
7419 * Returns:
7420 *      0 = success
7421 */
7422 int
7423 qla2x00_abort_isp(scsi_qla_host_t *vha)
7424 {
7425         int rval;
7426         uint8_t        status = 0;
7427         struct qla_hw_data *ha = vha->hw;
7428         struct scsi_qla_host *vp, *tvp;
7429         struct req_que *req = ha->req_q_map[0];
7430         unsigned long flags;
7431
7432         if (vha->flags.online) {
7433                 qla2x00_abort_isp_cleanup(vha);
7434
7435                 vha->dport_status |= DPORT_DIAG_CHIP_RESET_IN_PROGRESS;
7436                 vha->dport_status &= ~DPORT_DIAG_IN_PROGRESS;
7437
7438                 if (vha->hw->flags.port_isolated)
7439                         return status;
7440
7441                 if (qla2x00_isp_reg_stat(ha)) {
7442                         ql_log(ql_log_info, vha, 0x803f,
7443                                "ISP Abort - ISP reg disconnect, exiting.\n");
7444                         return status;
7445                 }
7446
7447                 if (test_and_clear_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags)) {
7448                         ha->flags.chip_reset_done = 1;
7449                         vha->flags.online = 1;
7450                         status = 0;
7451                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7452                         return status;
7453                 }
7454
7455                 if (IS_QLA8031(ha)) {
7456                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
7457                             "Clearing fcoe driver presence.\n");
7458                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
7459                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
7460                                     "Error while clearing DRV-Presence.\n");
7461                 }
7462
7463                 if (unlikely(pci_channel_offline(ha->pdev) &&
7464                     ha->flags.pci_channel_io_perm_failure)) {
7465                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7466                         status = 0;
7467                         return status;
7468                 }
7469
7470                 switch (vha->qlini_mode) {
7471                 case QLA2XXX_INI_MODE_DISABLED:
7472                         if (!qla_tgt_mode_enabled(vha))
7473                                 return 0;
7474                         break;
7475                 case QLA2XXX_INI_MODE_DUAL:
7476                         if (!qla_dual_mode_enabled(vha) &&
7477                             !qla_ini_mode_enabled(vha))
7478                                 return 0;
7479                         break;
7480                 case QLA2XXX_INI_MODE_ENABLED:
7481                 default:
7482                         break;
7483                 }
7484
7485                 ha->isp_ops->get_flash_version(vha, req->ring);
7486
7487                 if (qla2x00_isp_reg_stat(ha)) {
7488                         ql_log(ql_log_info, vha, 0x803f,
7489                                "ISP Abort - ISP reg disconnect pre nvram config, exiting.\n");
7490                         return status;
7491                 }
7492                 ha->isp_ops->nvram_config(vha);
7493
7494                 if (qla2x00_isp_reg_stat(ha)) {
7495                         ql_log(ql_log_info, vha, 0x803f,
7496                                "ISP Abort - ISP reg disconnect post nvmram config, exiting.\n");
7497                         return status;
7498                 }
7499                 if (!qla2x00_restart_isp(vha)) {
7500                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7501
7502                         if (!atomic_read(&vha->loop_down_timer)) {
7503                                 /*
7504                                  * Issue marker command only when we are going
7505                                  * to start the I/O .
7506                                  */
7507                                 vha->marker_needed = 1;
7508                         }
7509
7510                         vha->flags.online = 1;
7511
7512                         ha->isp_ops->enable_intrs(ha);
7513
7514                         ha->isp_abort_cnt = 0;
7515                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7516
7517                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
7518                                 qla2x00_get_fw_version(vha);
7519                         if (ha->fce) {
7520                                 ha->flags.fce_enabled = 1;
7521                                 memset(ha->fce, 0,
7522                                     fce_calc_size(ha->fce_bufs));
7523                                 rval = qla2x00_enable_fce_trace(vha,
7524                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
7525                                     &ha->fce_bufs);
7526                                 if (rval) {
7527                                         ql_log(ql_log_warn, vha, 0x8033,
7528                                             "Unable to reinitialize FCE "
7529                                             "(%d).\n", rval);
7530                                         ha->flags.fce_enabled = 0;
7531                                 }
7532                         }
7533
7534                         if (ha->eft) {
7535                                 memset(ha->eft, 0, EFT_SIZE);
7536                                 rval = qla2x00_enable_eft_trace(vha,
7537                                     ha->eft_dma, EFT_NUM_BUFFERS);
7538                                 if (rval) {
7539                                         ql_log(ql_log_warn, vha, 0x8034,
7540                                             "Unable to reinitialize EFT "
7541                                             "(%d).\n", rval);
7542                                 }
7543                         }
7544                 } else {        /* failed the ISP abort */
7545                         vha->flags.online = 1;
7546                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
7547                                 if (ha->isp_abort_cnt == 0) {
7548                                         ql_log(ql_log_fatal, vha, 0x8035,
7549                                             "ISP error recover failed - "
7550                                             "board disabled.\n");
7551                                         /*
7552                                          * The next call disables the board
7553                                          * completely.
7554                                          */
7555                                         qla2x00_abort_isp_cleanup(vha);
7556                                         vha->flags.online = 0;
7557                                         clear_bit(ISP_ABORT_RETRY,
7558                                             &vha->dpc_flags);
7559                                         status = 0;
7560                                 } else { /* schedule another ISP abort */
7561                                         ha->isp_abort_cnt--;
7562                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
7563                                             "ISP abort - retry remaining %d.\n",
7564                                             ha->isp_abort_cnt);
7565                                         status = 1;
7566                                 }
7567                         } else {
7568                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
7569                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
7570                                     "ISP error recovery - retrying (%d) "
7571                                     "more times.\n", ha->isp_abort_cnt);
7572                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7573                                 status = 1;
7574                         }
7575                 }
7576
7577         }
7578
7579         if (vha->hw->flags.port_isolated) {
7580                 qla2x00_abort_isp_cleanup(vha);
7581                 return status;
7582         }
7583
7584         if (!status) {
7585                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
7586                 qla2x00_configure_hba(vha);
7587                 spin_lock_irqsave(&ha->vport_slock, flags);
7588                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7589                         if (vp->vp_idx) {
7590                                 atomic_inc(&vp->vref_count);
7591                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7592
7593                                 qla2x00_vp_abort_isp(vp);
7594
7595                                 spin_lock_irqsave(&ha->vport_slock, flags);
7596                                 atomic_dec(&vp->vref_count);
7597                         }
7598                 }
7599                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7600
7601                 if (IS_QLA8031(ha)) {
7602                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
7603                             "Setting back fcoe driver presence.\n");
7604                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
7605                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
7606                                     "Error while setting DRV-Presence.\n");
7607                 }
7608         } else {
7609                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
7610                        __func__);
7611         }
7612
7613         return(status);
7614 }
7615
7616 /*
7617 *  qla2x00_restart_isp
7618 *      restarts the ISP after a reset
7619 *
7620 * Input:
7621 *      ha = adapter block pointer.
7622 *
7623 * Returns:
7624 *      0 = success
7625 */
7626 static int
7627 qla2x00_restart_isp(scsi_qla_host_t *vha)
7628 {
7629         int status;
7630         struct qla_hw_data *ha = vha->hw;
7631
7632         /* If firmware needs to be loaded */
7633         if (qla2x00_isp_firmware(vha)) {
7634                 vha->flags.online = 0;
7635                 status = ha->isp_ops->chip_diag(vha);
7636                 if (status)
7637                         return status;
7638                 status = qla2x00_setup_chip(vha);
7639                 if (status)
7640                         return status;
7641         }
7642
7643         status = qla2x00_init_rings(vha);
7644         if (status)
7645                 return status;
7646
7647         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7648         ha->flags.chip_reset_done = 1;
7649
7650         /* Initialize the queues in use */
7651         qla25xx_init_queues(ha);
7652
7653         status = qla2x00_fw_ready(vha);
7654         if (status) {
7655                 /* if no cable then assume it's good */
7656                 return vha->device_flags & DFLG_NO_CABLE ? 0 : status;
7657         }
7658
7659         /* Issue a marker after FW becomes ready. */
7660         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
7661         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7662
7663         return 0;
7664 }
7665
7666 static int
7667 qla25xx_init_queues(struct qla_hw_data *ha)
7668 {
7669         struct rsp_que *rsp = NULL;
7670         struct req_que *req = NULL;
7671         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7672         int ret = -1;
7673         int i;
7674
7675         for (i = 1; i < ha->max_rsp_queues; i++) {
7676                 rsp = ha->rsp_q_map[i];
7677                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
7678                         rsp->options &= ~BIT_0;
7679                         ret = qla25xx_init_rsp_que(base_vha, rsp);
7680                         if (ret != QLA_SUCCESS)
7681                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
7682                                     "%s Rsp que: %d init failed.\n",
7683                                     __func__, rsp->id);
7684                         else
7685                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
7686                                     "%s Rsp que: %d inited.\n",
7687                                     __func__, rsp->id);
7688                 }
7689         }
7690         for (i = 1; i < ha->max_req_queues; i++) {
7691                 req = ha->req_q_map[i];
7692                 if (req && test_bit(i, ha->req_qid_map)) {
7693                         /* Clear outstanding commands array. */
7694                         req->options &= ~BIT_0;
7695                         ret = qla25xx_init_req_que(base_vha, req);
7696                         if (ret != QLA_SUCCESS)
7697                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
7698                                     "%s Req que: %d init failed.\n",
7699                                     __func__, req->id);
7700                         else
7701                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
7702                                     "%s Req que: %d inited.\n",
7703                                     __func__, req->id);
7704                 }
7705         }
7706         return ret;
7707 }
7708
7709 /*
7710 * qla2x00_reset_adapter
7711 *      Reset adapter.
7712 *
7713 * Input:
7714 *      ha = adapter block pointer.
7715 */
7716 int
7717 qla2x00_reset_adapter(scsi_qla_host_t *vha)
7718 {
7719         unsigned long flags = 0;
7720         struct qla_hw_data *ha = vha->hw;
7721         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7722
7723         vha->flags.online = 0;
7724         ha->isp_ops->disable_intrs(ha);
7725
7726         spin_lock_irqsave(&ha->hardware_lock, flags);
7727         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
7728         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7729         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
7730         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7731         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7732
7733         return QLA_SUCCESS;
7734 }
7735
7736 int
7737 qla24xx_reset_adapter(scsi_qla_host_t *vha)
7738 {
7739         unsigned long flags = 0;
7740         struct qla_hw_data *ha = vha->hw;
7741         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
7742
7743         if (IS_P3P_TYPE(ha))
7744                 return QLA_SUCCESS;
7745
7746         vha->flags.online = 0;
7747         ha->isp_ops->disable_intrs(ha);
7748
7749         spin_lock_irqsave(&ha->hardware_lock, flags);
7750         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
7751         rd_reg_dword(&reg->hccr);
7752         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
7753         rd_reg_dword(&reg->hccr);
7754         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7755
7756         if (IS_NOPOLLING_TYPE(ha))
7757                 ha->isp_ops->enable_intrs(ha);
7758
7759         return QLA_SUCCESS;
7760 }
7761
7762 /* On sparc systems, obtain port and node WWN from firmware
7763  * properties.
7764  */
7765 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
7766         struct nvram_24xx *nv)
7767 {
7768 #ifdef CONFIG_SPARC
7769         struct qla_hw_data *ha = vha->hw;
7770         struct pci_dev *pdev = ha->pdev;
7771         struct device_node *dp = pci_device_to_OF_node(pdev);
7772         const u8 *val;
7773         int len;
7774
7775         val = of_get_property(dp, "port-wwn", &len);
7776         if (val && len >= WWN_SIZE)
7777                 memcpy(nv->port_name, val, WWN_SIZE);
7778
7779         val = of_get_property(dp, "node-wwn", &len);
7780         if (val && len >= WWN_SIZE)
7781                 memcpy(nv->node_name, val, WWN_SIZE);
7782 #endif
7783 }
7784
7785 int
7786 qla24xx_nvram_config(scsi_qla_host_t *vha)
7787 {
7788         int   rval;
7789         struct init_cb_24xx *icb;
7790         struct nvram_24xx *nv;
7791         __le32 *dptr;
7792         uint8_t  *dptr1, *dptr2;
7793         uint32_t chksum;
7794         uint16_t cnt;
7795         struct qla_hw_data *ha = vha->hw;
7796
7797         rval = QLA_SUCCESS;
7798         icb = (struct init_cb_24xx *)ha->init_cb;
7799         nv = ha->nvram;
7800
7801         /* Determine NVRAM starting address. */
7802         if (ha->port_no == 0) {
7803                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
7804                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
7805         } else {
7806                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7807                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
7808         }
7809
7810         ha->nvram_size = sizeof(*nv);
7811         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7812
7813         /* Get VPD data into cache */
7814         ha->vpd = ha->nvram + VPD_OFFSET;
7815         ha->isp_ops->read_nvram(vha, ha->vpd,
7816             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
7817
7818         /* Get NVRAM data into cache and calculate checksum. */
7819         dptr = (__force __le32 *)nv;
7820         ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size);
7821         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7822                 chksum += le32_to_cpu(*dptr);
7823
7824         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
7825             "Contents of NVRAM\n");
7826         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7827             nv, ha->nvram_size);
7828
7829         /* Bad NVRAM data, set defaults parameters. */
7830         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
7831             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
7832                 /* Reset NVRAM data. */
7833                 ql_log(ql_log_warn, vha, 0x006b,
7834                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
7835                     chksum, nv->id, nv->nvram_version);
7836                 ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv));
7837                 ql_log(ql_log_warn, vha, 0x006c,
7838                     "Falling back to functioning (yet invalid -- WWPN) "
7839                     "defaults.\n");
7840
7841                 /*
7842                  * Set default initialization control block.
7843                  */
7844                 memset(nv, 0, ha->nvram_size);
7845                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7846                 nv->version = cpu_to_le16(ICB_VERSION);
7847                 nv->frame_payload_size = cpu_to_le16(2048);
7848                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7849                 nv->exchange_count = cpu_to_le16(0);
7850                 nv->hard_address = cpu_to_le16(124);
7851                 nv->port_name[0] = 0x21;
7852                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7853                 nv->port_name[2] = 0x00;
7854                 nv->port_name[3] = 0xe0;
7855                 nv->port_name[4] = 0x8b;
7856                 nv->port_name[5] = 0x1c;
7857                 nv->port_name[6] = 0x55;
7858                 nv->port_name[7] = 0x86;
7859                 nv->node_name[0] = 0x20;
7860                 nv->node_name[1] = 0x00;
7861                 nv->node_name[2] = 0x00;
7862                 nv->node_name[3] = 0xe0;
7863                 nv->node_name[4] = 0x8b;
7864                 nv->node_name[5] = 0x1c;
7865                 nv->node_name[6] = 0x55;
7866                 nv->node_name[7] = 0x86;
7867                 qla24xx_nvram_wwn_from_ofw(vha, nv);
7868                 nv->login_retry_count = cpu_to_le16(8);
7869                 nv->interrupt_delay_timer = cpu_to_le16(0);
7870                 nv->login_timeout = cpu_to_le16(0);
7871                 nv->firmware_options_1 =
7872                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7873                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7874                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7875                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7876                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7877                 nv->efi_parameters = cpu_to_le32(0);
7878                 nv->reset_delay = 5;
7879                 nv->max_luns_per_target = cpu_to_le16(128);
7880                 nv->port_down_retry_count = cpu_to_le16(30);
7881                 nv->link_down_timeout = cpu_to_le16(30);
7882
7883                 rval = 1;
7884         }
7885
7886         if (qla_tgt_mode_enabled(vha)) {
7887                 /* Don't enable full login after initial LIP */
7888                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7889                 /* Don't enable LIP full login for initiator */
7890                 nv->host_p &= cpu_to_le32(~BIT_10);
7891         }
7892
7893         qlt_24xx_config_nvram_stage1(vha, nv);
7894
7895         /* Reset Initialization control block */
7896         memset(icb, 0, ha->init_cb_size);
7897
7898         /* Copy 1st segment. */
7899         dptr1 = (uint8_t *)icb;
7900         dptr2 = (uint8_t *)&nv->version;
7901         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7902         while (cnt--)
7903                 *dptr1++ = *dptr2++;
7904
7905         icb->login_retry_count = nv->login_retry_count;
7906         icb->link_down_on_nos = nv->link_down_on_nos;
7907
7908         /* Copy 2nd segment. */
7909         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7910         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7911         cnt = (uint8_t *)&icb->reserved_3 -
7912             (uint8_t *)&icb->interrupt_delay_timer;
7913         while (cnt--)
7914                 *dptr1++ = *dptr2++;
7915         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7916         /*
7917          * Setup driver NVRAM options.
7918          */
7919         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7920             "QLA2462");
7921
7922         qlt_24xx_config_nvram_stage2(vha, icb);
7923
7924         if (nv->host_p & cpu_to_le32(BIT_15)) {
7925                 /* Use alternate WWN? */
7926                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7927                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7928         }
7929
7930         /* Prepare nodename */
7931         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7932                 /*
7933                  * Firmware will apply the following mask if the nodename was
7934                  * not provided.
7935                  */
7936                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7937                 icb->node_name[0] &= 0xF0;
7938         }
7939
7940         /* Set host adapter parameters. */
7941         ha->flags.disable_risc_code_load = 0;
7942         ha->flags.enable_lip_reset = 0;
7943         ha->flags.enable_lip_full_login =
7944             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
7945         ha->flags.enable_target_reset =
7946             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
7947         ha->flags.enable_led_scheme = 0;
7948         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
7949
7950         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7951             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7952
7953         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
7954             sizeof(ha->fw_seriallink_options24));
7955
7956         /* save HBA serial number */
7957         ha->serial0 = icb->port_name[5];
7958         ha->serial1 = icb->port_name[6];
7959         ha->serial2 = icb->port_name[7];
7960         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7961         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7962
7963         icb->execution_throttle = cpu_to_le16(0xFFFF);
7964
7965         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7966
7967         /* Set minimum login_timeout to 4 seconds. */
7968         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7969                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7970         if (le16_to_cpu(nv->login_timeout) < 4)
7971                 nv->login_timeout = cpu_to_le16(4);
7972         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7973
7974         /* Set minimum RATOV to 100 tenths of a second. */
7975         ha->r_a_tov = 100;
7976
7977         ha->loop_reset_delay = nv->reset_delay;
7978
7979         /* Link Down Timeout = 0:
7980          *
7981          *      When Port Down timer expires we will start returning
7982          *      I/O's to OS with "DID_NO_CONNECT".
7983          *
7984          * Link Down Timeout != 0:
7985          *
7986          *       The driver waits for the link to come up after link down
7987          *       before returning I/Os to OS with "DID_NO_CONNECT".
7988          */
7989         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7990                 ha->loop_down_abort_time =
7991                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7992         } else {
7993                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7994                 ha->loop_down_abort_time =
7995                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7996         }
7997
7998         /* Need enough time to try and get the port back. */
7999         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8000         if (qlport_down_retry)
8001                 ha->port_down_retry_count = qlport_down_retry;
8002
8003         /* Set login_retry_count */
8004         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8005         if (ha->port_down_retry_count ==
8006             le16_to_cpu(nv->port_down_retry_count) &&
8007             ha->port_down_retry_count > 3)
8008                 ha->login_retry_count = ha->port_down_retry_count;
8009         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8010                 ha->login_retry_count = ha->port_down_retry_count;
8011         if (ql2xloginretrycount)
8012                 ha->login_retry_count = ql2xloginretrycount;
8013
8014         /* N2N: driver will initiate Login instead of FW */
8015         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
8016
8017         /* Enable ZIO. */
8018         if (!vha->flags.init_done) {
8019                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8020                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8021                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8022                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
8023         }
8024         icb->firmware_options_2 &= cpu_to_le32(
8025             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8026         if (ha->zio_mode != QLA_ZIO_DISABLED) {
8027                 ha->zio_mode = QLA_ZIO_MODE_6;
8028
8029                 ql_log(ql_log_info, vha, 0x006f,
8030                     "ZIO mode %d enabled; timer delay (%d us).\n",
8031                     ha->zio_mode, ha->zio_timer * 100);
8032
8033                 icb->firmware_options_2 |= cpu_to_le32(
8034                     (uint32_t)ha->zio_mode);
8035                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8036         }
8037
8038         if (rval) {
8039                 ql_log(ql_log_warn, vha, 0x0070,
8040                     "NVRAM configuration failed.\n");
8041         }
8042         return (rval);
8043 }
8044
8045 static void
8046 qla27xx_print_image(struct scsi_qla_host *vha, char *name,
8047     struct qla27xx_image_status *image_status)
8048 {
8049         ql_dbg(ql_dbg_init, vha, 0x018b,
8050             "%s %s: mask=%#02x gen=%#04x ver=%u.%u map=%#01x sum=%#08x sig=%#08x\n",
8051             name, "status",
8052             image_status->image_status_mask,
8053             le16_to_cpu(image_status->generation),
8054             image_status->ver_major,
8055             image_status->ver_minor,
8056             image_status->bitmap,
8057             le32_to_cpu(image_status->checksum),
8058             le32_to_cpu(image_status->signature));
8059 }
8060
8061 static bool
8062 qla28xx_check_aux_image_status_signature(
8063     struct qla27xx_image_status *image_status)
8064 {
8065         ulong signature = le32_to_cpu(image_status->signature);
8066
8067         return signature != QLA28XX_AUX_IMG_STATUS_SIGN;
8068 }
8069
8070 static bool
8071 qla27xx_check_image_status_signature(struct qla27xx_image_status *image_status)
8072 {
8073         ulong signature = le32_to_cpu(image_status->signature);
8074
8075         return
8076             signature != QLA27XX_IMG_STATUS_SIGN &&
8077             signature != QLA28XX_IMG_STATUS_SIGN;
8078 }
8079
8080 static ulong
8081 qla27xx_image_status_checksum(struct qla27xx_image_status *image_status)
8082 {
8083         __le32 *p = (__force __le32 *)image_status;
8084         uint n = sizeof(*image_status) / sizeof(*p);
8085         uint32_t sum = 0;
8086
8087         for ( ; n--; p++)
8088                 sum += le32_to_cpup(p);
8089
8090         return sum;
8091 }
8092
8093 static inline uint
8094 qla28xx_component_bitmask(struct qla27xx_image_status *aux, uint bitmask)
8095 {
8096         return aux->bitmap & bitmask ?
8097             QLA27XX_SECONDARY_IMAGE : QLA27XX_PRIMARY_IMAGE;
8098 }
8099
8100 static void
8101 qla28xx_component_status(
8102     struct active_regions *active_regions, struct qla27xx_image_status *aux)
8103 {
8104         active_regions->aux.board_config =
8105             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_BOARD_CONFIG);
8106
8107         active_regions->aux.vpd_nvram =
8108             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_VPD_NVRAM);
8109
8110         active_regions->aux.npiv_config_0_1 =
8111             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_0_1);
8112
8113         active_regions->aux.npiv_config_2_3 =
8114             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_2_3);
8115
8116         active_regions->aux.nvme_params =
8117             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NVME_PARAMS);
8118 }
8119
8120 static int
8121 qla27xx_compare_image_generation(
8122     struct qla27xx_image_status *pri_image_status,
8123     struct qla27xx_image_status *sec_image_status)
8124 {
8125         /* calculate generation delta as uint16 (this accounts for wrap) */
8126         int16_t delta =
8127             le16_to_cpu(pri_image_status->generation) -
8128             le16_to_cpu(sec_image_status->generation);
8129
8130         ql_dbg(ql_dbg_init, NULL, 0x0180, "generation delta = %d\n", delta);
8131
8132         return delta;
8133 }
8134
8135 void
8136 qla28xx_get_aux_images(
8137         struct scsi_qla_host *vha, struct active_regions *active_regions)
8138 {
8139         struct qla_hw_data *ha = vha->hw;
8140         struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status;
8141         bool valid_pri_image = false, valid_sec_image = false;
8142         bool active_pri_image = false, active_sec_image = false;
8143
8144         if (!ha->flt_region_aux_img_status_pri) {
8145                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n");
8146                 goto check_sec_image;
8147         }
8148
8149         qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status,
8150             ha->flt_region_aux_img_status_pri,
8151             sizeof(pri_aux_image_status) >> 2);
8152         qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status);
8153
8154         if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) {
8155                 ql_dbg(ql_dbg_init, vha, 0x018b,
8156                     "Primary aux image signature (%#x) not valid\n",
8157                     le32_to_cpu(pri_aux_image_status.signature));
8158                 goto check_sec_image;
8159         }
8160
8161         if (qla27xx_image_status_checksum(&pri_aux_image_status)) {
8162                 ql_dbg(ql_dbg_init, vha, 0x018c,
8163                     "Primary aux image checksum failed\n");
8164                 goto check_sec_image;
8165         }
8166
8167         valid_pri_image = true;
8168
8169         if (pri_aux_image_status.image_status_mask & 1) {
8170                 ql_dbg(ql_dbg_init, vha, 0x018d,
8171                     "Primary aux image is active\n");
8172                 active_pri_image = true;
8173         }
8174
8175 check_sec_image:
8176         if (!ha->flt_region_aux_img_status_sec) {
8177                 ql_dbg(ql_dbg_init, vha, 0x018a,
8178                     "Secondary aux image not addressed\n");
8179                 goto check_valid_image;
8180         }
8181
8182         qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status,
8183             ha->flt_region_aux_img_status_sec,
8184             sizeof(sec_aux_image_status) >> 2);
8185         qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status);
8186
8187         if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) {
8188                 ql_dbg(ql_dbg_init, vha, 0x018b,
8189                     "Secondary aux image signature (%#x) not valid\n",
8190                     le32_to_cpu(sec_aux_image_status.signature));
8191                 goto check_valid_image;
8192         }
8193
8194         if (qla27xx_image_status_checksum(&sec_aux_image_status)) {
8195                 ql_dbg(ql_dbg_init, vha, 0x018c,
8196                     "Secondary aux image checksum failed\n");
8197                 goto check_valid_image;
8198         }
8199
8200         valid_sec_image = true;
8201
8202         if (sec_aux_image_status.image_status_mask & 1) {
8203                 ql_dbg(ql_dbg_init, vha, 0x018d,
8204                     "Secondary aux image is active\n");
8205                 active_sec_image = true;
8206         }
8207
8208 check_valid_image:
8209         if (valid_pri_image && active_pri_image &&
8210             valid_sec_image && active_sec_image) {
8211                 if (qla27xx_compare_image_generation(&pri_aux_image_status,
8212                     &sec_aux_image_status) >= 0) {
8213                         qla28xx_component_status(active_regions,
8214                             &pri_aux_image_status);
8215                 } else {
8216                         qla28xx_component_status(active_regions,
8217                             &sec_aux_image_status);
8218                 }
8219         } else if (valid_pri_image && active_pri_image) {
8220                 qla28xx_component_status(active_regions, &pri_aux_image_status);
8221         } else if (valid_sec_image && active_sec_image) {
8222                 qla28xx_component_status(active_regions, &sec_aux_image_status);
8223         }
8224
8225         ql_dbg(ql_dbg_init, vha, 0x018f,
8226             "aux images active: BCFG=%u VPD/NVR=%u NPIV0/1=%u NPIV2/3=%u, NVME=%u\n",
8227             active_regions->aux.board_config,
8228             active_regions->aux.vpd_nvram,
8229             active_regions->aux.npiv_config_0_1,
8230             active_regions->aux.npiv_config_2_3,
8231             active_regions->aux.nvme_params);
8232 }
8233
8234 void
8235 qla27xx_get_active_image(struct scsi_qla_host *vha,
8236     struct active_regions *active_regions)
8237 {
8238         struct qla_hw_data *ha = vha->hw;
8239         struct qla27xx_image_status pri_image_status, sec_image_status;
8240         bool valid_pri_image = false, valid_sec_image = false;
8241         bool active_pri_image = false, active_sec_image = false;
8242
8243         if (!ha->flt_region_img_status_pri) {
8244                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n");
8245                 goto check_sec_image;
8246         }
8247
8248         if (qla24xx_read_flash_data(vha, (uint32_t *)&pri_image_status,
8249             ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) !=
8250             QLA_SUCCESS) {
8251                 WARN_ON_ONCE(true);
8252                 goto check_sec_image;
8253         }
8254         qla27xx_print_image(vha, "Primary image", &pri_image_status);
8255
8256         if (qla27xx_check_image_status_signature(&pri_image_status)) {
8257                 ql_dbg(ql_dbg_init, vha, 0x018b,
8258                     "Primary image signature (%#x) not valid\n",
8259                     le32_to_cpu(pri_image_status.signature));
8260                 goto check_sec_image;
8261         }
8262
8263         if (qla27xx_image_status_checksum(&pri_image_status)) {
8264                 ql_dbg(ql_dbg_init, vha, 0x018c,
8265                     "Primary image checksum failed\n");
8266                 goto check_sec_image;
8267         }
8268
8269         valid_pri_image = true;
8270
8271         if (pri_image_status.image_status_mask & 1) {
8272                 ql_dbg(ql_dbg_init, vha, 0x018d,
8273                     "Primary image is active\n");
8274                 active_pri_image = true;
8275         }
8276
8277 check_sec_image:
8278         if (!ha->flt_region_img_status_sec) {
8279                 ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n");
8280                 goto check_valid_image;
8281         }
8282
8283         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
8284             ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2);
8285         qla27xx_print_image(vha, "Secondary image", &sec_image_status);
8286
8287         if (qla27xx_check_image_status_signature(&sec_image_status)) {
8288                 ql_dbg(ql_dbg_init, vha, 0x018b,
8289                     "Secondary image signature (%#x) not valid\n",
8290                     le32_to_cpu(sec_image_status.signature));
8291                 goto check_valid_image;
8292         }
8293
8294         if (qla27xx_image_status_checksum(&sec_image_status)) {
8295                 ql_dbg(ql_dbg_init, vha, 0x018c,
8296                     "Secondary image checksum failed\n");
8297                 goto check_valid_image;
8298         }
8299
8300         valid_sec_image = true;
8301
8302         if (sec_image_status.image_status_mask & 1) {
8303                 ql_dbg(ql_dbg_init, vha, 0x018d,
8304                     "Secondary image is active\n");
8305                 active_sec_image = true;
8306         }
8307
8308 check_valid_image:
8309         if (valid_pri_image && active_pri_image)
8310                 active_regions->global = QLA27XX_PRIMARY_IMAGE;
8311
8312         if (valid_sec_image && active_sec_image) {
8313                 if (!active_regions->global ||
8314                     qla27xx_compare_image_generation(
8315                         &pri_image_status, &sec_image_status) < 0) {
8316                         active_regions->global = QLA27XX_SECONDARY_IMAGE;
8317                 }
8318         }
8319
8320         ql_dbg(ql_dbg_init, vha, 0x018f, "active image %s (%u)\n",
8321             active_regions->global == QLA27XX_DEFAULT_IMAGE ?
8322                 "default (boot/fw)" :
8323             active_regions->global == QLA27XX_PRIMARY_IMAGE ?
8324                 "primary" :
8325             active_regions->global == QLA27XX_SECONDARY_IMAGE ?
8326                 "secondary" : "invalid",
8327             active_regions->global);
8328 }
8329
8330 bool qla24xx_risc_firmware_invalid(uint32_t *dword)
8331 {
8332         return
8333             !(dword[4] | dword[5] | dword[6] | dword[7]) ||
8334             !(~dword[4] | ~dword[5] | ~dword[6] | ~dword[7]);
8335 }
8336
8337 static int
8338 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
8339     uint32_t faddr)
8340 {
8341         int rval;
8342         uint templates, segments, fragment;
8343         ulong i;
8344         uint j;
8345         ulong dlen;
8346         uint32_t *dcode;
8347         uint32_t risc_addr, risc_size, risc_attr = 0;
8348         struct qla_hw_data *ha = vha->hw;
8349         struct req_que *req = ha->req_q_map[0];
8350         struct fwdt *fwdt = ha->fwdt;
8351
8352         ql_dbg(ql_dbg_init, vha, 0x008b,
8353             "FW: Loading firmware from flash (%x).\n", faddr);
8354
8355         dcode = (uint32_t *)req->ring;
8356         qla24xx_read_flash_data(vha, dcode, faddr, 8);
8357         if (qla24xx_risc_firmware_invalid(dcode)) {
8358                 ql_log(ql_log_fatal, vha, 0x008c,
8359                     "Unable to verify the integrity of flash firmware "
8360                     "image.\n");
8361                 ql_log(ql_log_fatal, vha, 0x008d,
8362                     "Firmware data: %08x %08x %08x %08x.\n",
8363                     dcode[0], dcode[1], dcode[2], dcode[3]);
8364
8365                 return QLA_FUNCTION_FAILED;
8366         }
8367
8368         dcode = (uint32_t *)req->ring;
8369         *srisc_addr = 0;
8370         segments = FA_RISC_CODE_SEGMENTS;
8371         for (j = 0; j < segments; j++) {
8372                 ql_dbg(ql_dbg_init, vha, 0x008d,
8373                     "-> Loading segment %u...\n", j);
8374                 qla24xx_read_flash_data(vha, dcode, faddr, 10);
8375                 risc_addr = be32_to_cpu((__force __be32)dcode[2]);
8376                 risc_size = be32_to_cpu((__force __be32)dcode[3]);
8377                 if (!*srisc_addr) {
8378                         *srisc_addr = risc_addr;
8379                         risc_attr = be32_to_cpu((__force __be32)dcode[9]);
8380                 }
8381
8382                 dlen = ha->fw_transfer_size >> 2;
8383                 for (fragment = 0; risc_size; fragment++) {
8384                         if (dlen > risc_size)
8385                                 dlen = risc_size;
8386
8387                         ql_dbg(ql_dbg_init, vha, 0x008e,
8388                             "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n",
8389                             fragment, risc_addr, faddr, dlen);
8390                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
8391                         for (i = 0; i < dlen; i++)
8392                                 dcode[i] = swab32(dcode[i]);
8393
8394                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8395                         if (rval) {
8396                                 ql_log(ql_log_fatal, vha, 0x008f,
8397                                     "-> Failed load firmware fragment %u.\n",
8398                                     fragment);
8399                                 return QLA_FUNCTION_FAILED;
8400                         }
8401
8402                         faddr += dlen;
8403                         risc_addr += dlen;
8404                         risc_size -= dlen;
8405                 }
8406         }
8407
8408         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8409                 return QLA_SUCCESS;
8410
8411         templates = (risc_attr & BIT_9) ? 2 : 1;
8412         ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates);
8413         for (j = 0; j < templates; j++, fwdt++) {
8414                 vfree(fwdt->template);
8415                 fwdt->template = NULL;
8416                 fwdt->length = 0;
8417
8418                 dcode = (uint32_t *)req->ring;
8419                 qla24xx_read_flash_data(vha, dcode, faddr, 7);
8420                 risc_size = be32_to_cpu((__force __be32)dcode[2]);
8421                 ql_dbg(ql_dbg_init, vha, 0x0161,
8422                     "-> fwdt%u template array at %#x (%#x dwords)\n",
8423                     j, faddr, risc_size);
8424                 if (!risc_size || !~risc_size) {
8425                         ql_dbg(ql_dbg_init, vha, 0x0162,
8426                             "-> fwdt%u failed to read array\n", j);
8427                         goto failed;
8428                 }
8429
8430                 /* skip header and ignore checksum */
8431                 faddr += 7;
8432                 risc_size -= 8;
8433
8434                 ql_dbg(ql_dbg_init, vha, 0x0163,
8435                     "-> fwdt%u template allocate template %#x words...\n",
8436                     j, risc_size);
8437                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
8438                 if (!fwdt->template) {
8439                         ql_log(ql_log_warn, vha, 0x0164,
8440                             "-> fwdt%u failed allocate template.\n", j);
8441                         goto failed;
8442                 }
8443
8444                 dcode = fwdt->template;
8445                 qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
8446
8447                 if (!qla27xx_fwdt_template_valid(dcode)) {
8448                         ql_log(ql_log_warn, vha, 0x0165,
8449                             "-> fwdt%u failed template validate\n", j);
8450                         goto failed;
8451                 }
8452
8453                 dlen = qla27xx_fwdt_template_size(dcode);
8454                 ql_dbg(ql_dbg_init, vha, 0x0166,
8455                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8456                     j, dlen, dlen / sizeof(*dcode));
8457                 if (dlen > risc_size * sizeof(*dcode)) {
8458                         ql_log(ql_log_warn, vha, 0x0167,
8459                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
8460                             j, dlen - risc_size * sizeof(*dcode));
8461                         goto failed;
8462                 }
8463
8464                 fwdt->length = dlen;
8465                 ql_dbg(ql_dbg_init, vha, 0x0168,
8466                     "-> fwdt%u loaded template ok\n", j);
8467
8468                 faddr += risc_size + 1;
8469         }
8470
8471         return QLA_SUCCESS;
8472
8473 failed:
8474         vfree(fwdt->template);
8475         fwdt->template = NULL;
8476         fwdt->length = 0;
8477
8478         return QLA_SUCCESS;
8479 }
8480
8481 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
8482
8483 int
8484 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8485 {
8486         int     rval;
8487         int     i, fragment;
8488         uint16_t *wcode;
8489         __be16   *fwcode;
8490         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
8491         struct fw_blob *blob;
8492         struct qla_hw_data *ha = vha->hw;
8493         struct req_que *req = ha->req_q_map[0];
8494
8495         /* Load firmware blob. */
8496         blob = qla2x00_request_firmware(vha);
8497         if (!blob) {
8498                 ql_log(ql_log_info, vha, 0x0083,
8499                     "Firmware image unavailable.\n");
8500                 ql_log(ql_log_info, vha, 0x0084,
8501                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
8502                 return QLA_FUNCTION_FAILED;
8503         }
8504
8505         rval = QLA_SUCCESS;
8506
8507         wcode = (uint16_t *)req->ring;
8508         *srisc_addr = 0;
8509         fwcode = (__force __be16 *)blob->fw->data;
8510         fwclen = 0;
8511
8512         /* Validate firmware image by checking version. */
8513         if (blob->fw->size < 8 * sizeof(uint16_t)) {
8514                 ql_log(ql_log_fatal, vha, 0x0085,
8515                     "Unable to verify integrity of firmware image (%zd).\n",
8516                     blob->fw->size);
8517                 goto fail_fw_integrity;
8518         }
8519         for (i = 0; i < 4; i++)
8520                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
8521         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
8522             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
8523                 wcode[2] == 0 && wcode[3] == 0)) {
8524                 ql_log(ql_log_fatal, vha, 0x0086,
8525                     "Unable to verify integrity of firmware image.\n");
8526                 ql_log(ql_log_fatal, vha, 0x0087,
8527                     "Firmware data: %04x %04x %04x %04x.\n",
8528                     wcode[0], wcode[1], wcode[2], wcode[3]);
8529                 goto fail_fw_integrity;
8530         }
8531
8532         seg = blob->segs;
8533         while (*seg && rval == QLA_SUCCESS) {
8534                 risc_addr = *seg;
8535                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
8536                 risc_size = be16_to_cpu(fwcode[3]);
8537
8538                 /* Validate firmware image size. */
8539                 fwclen += risc_size * sizeof(uint16_t);
8540                 if (blob->fw->size < fwclen) {
8541                         ql_log(ql_log_fatal, vha, 0x0088,
8542                             "Unable to verify integrity of firmware image "
8543                             "(%zd).\n", blob->fw->size);
8544                         goto fail_fw_integrity;
8545                 }
8546
8547                 fragment = 0;
8548                 while (risc_size > 0 && rval == QLA_SUCCESS) {
8549                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
8550                         if (wlen > risc_size)
8551                                 wlen = risc_size;
8552                         ql_dbg(ql_dbg_init, vha, 0x0089,
8553                             "Loading risc segment@ risc addr %x number of "
8554                             "words 0x%x.\n", risc_addr, wlen);
8555
8556                         for (i = 0; i < wlen; i++)
8557                                 wcode[i] = swab16((__force u32)fwcode[i]);
8558
8559                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
8560                             wlen);
8561                         if (rval) {
8562                                 ql_log(ql_log_fatal, vha, 0x008a,
8563                                     "Failed to load segment %d of firmware.\n",
8564                                     fragment);
8565                                 break;
8566                         }
8567
8568                         fwcode += wlen;
8569                         risc_addr += wlen;
8570                         risc_size -= wlen;
8571                         fragment++;
8572                 }
8573
8574                 /* Next segment. */
8575                 seg++;
8576         }
8577         return rval;
8578
8579 fail_fw_integrity:
8580         return QLA_FUNCTION_FAILED;
8581 }
8582
8583 static int
8584 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8585 {
8586         int     rval;
8587         uint templates, segments, fragment;
8588         uint32_t *dcode;
8589         ulong dlen;
8590         uint32_t risc_addr, risc_size, risc_attr = 0;
8591         ulong i;
8592         uint j;
8593         struct fw_blob *blob;
8594         __be32 *fwcode;
8595         struct qla_hw_data *ha = vha->hw;
8596         struct req_que *req = ha->req_q_map[0];
8597         struct fwdt *fwdt = ha->fwdt;
8598
8599         ql_dbg(ql_dbg_init, vha, 0x0090,
8600             "-> FW: Loading via request-firmware.\n");
8601
8602         blob = qla2x00_request_firmware(vha);
8603         if (!blob) {
8604                 ql_log(ql_log_warn, vha, 0x0092,
8605                     "-> Firmware file not found.\n");
8606
8607                 return QLA_FUNCTION_FAILED;
8608         }
8609
8610         fwcode = (__force __be32 *)blob->fw->data;
8611         dcode = (__force uint32_t *)fwcode;
8612         if (qla24xx_risc_firmware_invalid(dcode)) {
8613                 ql_log(ql_log_fatal, vha, 0x0093,
8614                     "Unable to verify integrity of firmware image (%zd).\n",
8615                     blob->fw->size);
8616                 ql_log(ql_log_fatal, vha, 0x0095,
8617                     "Firmware data: %08x %08x %08x %08x.\n",
8618                     dcode[0], dcode[1], dcode[2], dcode[3]);
8619                 return QLA_FUNCTION_FAILED;
8620         }
8621
8622         dcode = (uint32_t *)req->ring;
8623         *srisc_addr = 0;
8624         segments = FA_RISC_CODE_SEGMENTS;
8625         for (j = 0; j < segments; j++) {
8626                 ql_dbg(ql_dbg_init, vha, 0x0096,
8627                     "-> Loading segment %u...\n", j);
8628                 risc_addr = be32_to_cpu(fwcode[2]);
8629                 risc_size = be32_to_cpu(fwcode[3]);
8630
8631                 if (!*srisc_addr) {
8632                         *srisc_addr = risc_addr;
8633                         risc_attr = be32_to_cpu(fwcode[9]);
8634                 }
8635
8636                 dlen = ha->fw_transfer_size >> 2;
8637                 for (fragment = 0; risc_size; fragment++) {
8638                         if (dlen > risc_size)
8639                                 dlen = risc_size;
8640
8641                         ql_dbg(ql_dbg_init, vha, 0x0097,
8642                             "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n",
8643                             fragment, risc_addr,
8644                             (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data),
8645                             dlen);
8646
8647                         for (i = 0; i < dlen; i++)
8648                                 dcode[i] = swab32((__force u32)fwcode[i]);
8649
8650                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8651                         if (rval) {
8652                                 ql_log(ql_log_fatal, vha, 0x0098,
8653                                     "-> Failed load firmware fragment %u.\n",
8654                                     fragment);
8655                                 return QLA_FUNCTION_FAILED;
8656                         }
8657
8658                         fwcode += dlen;
8659                         risc_addr += dlen;
8660                         risc_size -= dlen;
8661                 }
8662         }
8663
8664         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8665                 return QLA_SUCCESS;
8666
8667         templates = (risc_attr & BIT_9) ? 2 : 1;
8668         ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates);
8669         for (j = 0; j < templates; j++, fwdt++) {
8670                 vfree(fwdt->template);
8671                 fwdt->template = NULL;
8672                 fwdt->length = 0;
8673
8674                 risc_size = be32_to_cpu(fwcode[2]);
8675                 ql_dbg(ql_dbg_init, vha, 0x0171,
8676                     "-> fwdt%u template array at %#x (%#x dwords)\n",
8677                     j, (uint32_t)((void *)fwcode - (void *)blob->fw->data),
8678                     risc_size);
8679                 if (!risc_size || !~risc_size) {
8680                         ql_dbg(ql_dbg_init, vha, 0x0172,
8681                             "-> fwdt%u failed to read array\n", j);
8682                         goto failed;
8683                 }
8684
8685                 /* skip header and ignore checksum */
8686                 fwcode += 7;
8687                 risc_size -= 8;
8688
8689                 ql_dbg(ql_dbg_init, vha, 0x0173,
8690                     "-> fwdt%u template allocate template %#x words...\n",
8691                     j, risc_size);
8692                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
8693                 if (!fwdt->template) {
8694                         ql_log(ql_log_warn, vha, 0x0174,
8695                             "-> fwdt%u failed allocate template.\n", j);
8696                         goto failed;
8697                 }
8698
8699                 dcode = fwdt->template;
8700                 for (i = 0; i < risc_size; i++)
8701                         dcode[i] = (__force u32)fwcode[i];
8702
8703                 if (!qla27xx_fwdt_template_valid(dcode)) {
8704                         ql_log(ql_log_warn, vha, 0x0175,
8705                             "-> fwdt%u failed template validate\n", j);
8706                         goto failed;
8707                 }
8708
8709                 dlen = qla27xx_fwdt_template_size(dcode);
8710                 ql_dbg(ql_dbg_init, vha, 0x0176,
8711                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8712                     j, dlen, dlen / sizeof(*dcode));
8713                 if (dlen > risc_size * sizeof(*dcode)) {
8714                         ql_log(ql_log_warn, vha, 0x0177,
8715                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
8716                             j, dlen - risc_size * sizeof(*dcode));
8717                         goto failed;
8718                 }
8719
8720                 fwdt->length = dlen;
8721                 ql_dbg(ql_dbg_init, vha, 0x0178,
8722                     "-> fwdt%u loaded template ok\n", j);
8723
8724                 fwcode += risc_size + 1;
8725         }
8726
8727         return QLA_SUCCESS;
8728
8729 failed:
8730         vfree(fwdt->template);
8731         fwdt->template = NULL;
8732         fwdt->length = 0;
8733
8734         return QLA_SUCCESS;
8735 }
8736
8737 int
8738 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8739 {
8740         int rval;
8741
8742         if (ql2xfwloadbin == 1)
8743                 return qla81xx_load_risc(vha, srisc_addr);
8744
8745         /*
8746          * FW Load priority:
8747          * 1) Firmware via request-firmware interface (.bin file).
8748          * 2) Firmware residing in flash.
8749          */
8750         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8751         if (rval == QLA_SUCCESS)
8752                 return rval;
8753
8754         return qla24xx_load_risc_flash(vha, srisc_addr,
8755             vha->hw->flt_region_fw);
8756 }
8757
8758 int
8759 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8760 {
8761         int rval;
8762         struct qla_hw_data *ha = vha->hw;
8763         struct active_regions active_regions = { };
8764
8765         if (ql2xfwloadbin == 2)
8766                 goto try_blob_fw;
8767
8768         /* FW Load priority:
8769          * 1) Firmware residing in flash.
8770          * 2) Firmware via request-firmware interface (.bin file).
8771          * 3) Golden-Firmware residing in flash -- (limited operation).
8772          */
8773
8774         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8775                 goto try_primary_fw;
8776
8777         qla27xx_get_active_image(vha, &active_regions);
8778
8779         if (active_regions.global != QLA27XX_SECONDARY_IMAGE)
8780                 goto try_primary_fw;
8781
8782         ql_dbg(ql_dbg_init, vha, 0x008b,
8783             "Loading secondary firmware image.\n");
8784         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw_sec);
8785         if (!rval)
8786                 return rval;
8787
8788 try_primary_fw:
8789         ql_dbg(ql_dbg_init, vha, 0x008b,
8790             "Loading primary firmware image.\n");
8791         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
8792         if (!rval)
8793                 return rval;
8794
8795 try_blob_fw:
8796         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8797         if (!rval || !ha->flt_region_gold_fw)
8798                 return rval;
8799
8800         ql_log(ql_log_info, vha, 0x0099,
8801             "Attempting to fallback to golden firmware.\n");
8802         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
8803         if (rval)
8804                 return rval;
8805
8806         ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n");
8807         ha->flags.running_gold_fw = 1;
8808         return rval;
8809 }
8810
8811 void
8812 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
8813 {
8814         int ret, retries;
8815         struct qla_hw_data *ha = vha->hw;
8816
8817         if (ha->flags.pci_channel_io_perm_failure)
8818                 return;
8819         if (!IS_FWI2_CAPABLE(ha))
8820                 return;
8821         if (!ha->fw_major_version)
8822                 return;
8823         if (!ha->flags.fw_started)
8824                 return;
8825
8826         ret = qla2x00_stop_firmware(vha);
8827         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
8828             ret != QLA_INVALID_COMMAND && retries ; retries--) {
8829                 ha->isp_ops->reset_chip(vha);
8830                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
8831                         continue;
8832                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
8833                         continue;
8834                 ql_log(ql_log_info, vha, 0x8015,
8835                     "Attempting retry of stop-firmware command.\n");
8836                 ret = qla2x00_stop_firmware(vha);
8837         }
8838
8839         QLA_FW_STOPPED(ha);
8840         ha->flags.fw_init_done = 0;
8841 }
8842
8843 int
8844 qla24xx_configure_vhba(scsi_qla_host_t *vha)
8845 {
8846         int rval = QLA_SUCCESS;
8847         int rval2;
8848         uint16_t mb[MAILBOX_REGISTER_COUNT];
8849         struct qla_hw_data *ha = vha->hw;
8850         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
8851
8852         if (!vha->vp_idx)
8853                 return -EINVAL;
8854
8855         rval = qla2x00_fw_ready(base_vha);
8856
8857         if (rval == QLA_SUCCESS) {
8858                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8859                 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8860         }
8861
8862         vha->flags.management_server_logged_in = 0;
8863
8864         /* Login to SNS first */
8865         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
8866             BIT_1);
8867         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
8868                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
8869                         ql_dbg(ql_dbg_init, vha, 0x0120,
8870                             "Failed SNS login: loop_id=%x, rval2=%d\n",
8871                             NPH_SNS, rval2);
8872                 else
8873                         ql_dbg(ql_dbg_init, vha, 0x0103,
8874                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
8875                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
8876                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
8877                 return (QLA_FUNCTION_FAILED);
8878         }
8879
8880         atomic_set(&vha->loop_down_timer, 0);
8881         atomic_set(&vha->loop_state, LOOP_UP);
8882         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8883         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
8884         rval = qla2x00_loop_resync(base_vha);
8885
8886         return rval;
8887 }
8888
8889 /* 84XX Support **************************************************************/
8890
8891 static LIST_HEAD(qla_cs84xx_list);
8892 static DEFINE_MUTEX(qla_cs84xx_mutex);
8893
8894 static struct qla_chip_state_84xx *
8895 qla84xx_get_chip(struct scsi_qla_host *vha)
8896 {
8897         struct qla_chip_state_84xx *cs84xx;
8898         struct qla_hw_data *ha = vha->hw;
8899
8900         mutex_lock(&qla_cs84xx_mutex);
8901
8902         /* Find any shared 84xx chip. */
8903         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
8904                 if (cs84xx->bus == ha->pdev->bus) {
8905                         kref_get(&cs84xx->kref);
8906                         goto done;
8907                 }
8908         }
8909
8910         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
8911         if (!cs84xx)
8912                 goto done;
8913
8914         kref_init(&cs84xx->kref);
8915         spin_lock_init(&cs84xx->access_lock);
8916         mutex_init(&cs84xx->fw_update_mutex);
8917         cs84xx->bus = ha->pdev->bus;
8918
8919         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
8920 done:
8921         mutex_unlock(&qla_cs84xx_mutex);
8922         return cs84xx;
8923 }
8924
8925 static void
8926 __qla84xx_chip_release(struct kref *kref)
8927 {
8928         struct qla_chip_state_84xx *cs84xx =
8929             container_of(kref, struct qla_chip_state_84xx, kref);
8930
8931         mutex_lock(&qla_cs84xx_mutex);
8932         list_del(&cs84xx->list);
8933         mutex_unlock(&qla_cs84xx_mutex);
8934         kfree(cs84xx);
8935 }
8936
8937 void
8938 qla84xx_put_chip(struct scsi_qla_host *vha)
8939 {
8940         struct qla_hw_data *ha = vha->hw;
8941
8942         if (ha->cs84xx)
8943                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
8944 }
8945
8946 static int
8947 qla84xx_init_chip(scsi_qla_host_t *vha)
8948 {
8949         int rval;
8950         uint16_t status[2];
8951         struct qla_hw_data *ha = vha->hw;
8952
8953         mutex_lock(&ha->cs84xx->fw_update_mutex);
8954
8955         rval = qla84xx_verify_chip(vha, status);
8956
8957         mutex_unlock(&ha->cs84xx->fw_update_mutex);
8958
8959         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED :
8960             QLA_SUCCESS;
8961 }
8962
8963 /* 81XX Support **************************************************************/
8964
8965 int
8966 qla81xx_nvram_config(scsi_qla_host_t *vha)
8967 {
8968         int   rval;
8969         struct init_cb_81xx *icb;
8970         struct nvram_81xx *nv;
8971         __le32 *dptr;
8972         uint8_t  *dptr1, *dptr2;
8973         uint32_t chksum;
8974         uint16_t cnt;
8975         struct qla_hw_data *ha = vha->hw;
8976         uint32_t faddr;
8977         struct active_regions active_regions = { };
8978
8979         rval = QLA_SUCCESS;
8980         icb = (struct init_cb_81xx *)ha->init_cb;
8981         nv = ha->nvram;
8982
8983         /* Determine NVRAM starting address. */
8984         ha->nvram_size = sizeof(*nv);
8985         ha->vpd_size = FA_NVRAM_VPD_SIZE;
8986         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
8987                 ha->vpd_size = FA_VPD_SIZE_82XX;
8988
8989         if (IS_QLA28XX(ha) || IS_QLA27XX(ha))
8990                 qla28xx_get_aux_images(vha, &active_regions);
8991
8992         /* Get VPD data into cache */
8993         ha->vpd = ha->nvram + VPD_OFFSET;
8994
8995         faddr = ha->flt_region_vpd;
8996         if (IS_QLA28XX(ha)) {
8997                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8998                         faddr = ha->flt_region_vpd_sec;
8999                 ql_dbg(ql_dbg_init, vha, 0x0110,
9000                     "Loading %s nvram image.\n",
9001                     active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
9002                     "primary" : "secondary");
9003         }
9004         ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size);
9005
9006         /* Get NVRAM data into cache and calculate checksum. */
9007         faddr = ha->flt_region_nvram;
9008         if (IS_QLA28XX(ha)) {
9009                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
9010                         faddr = ha->flt_region_nvram_sec;
9011         }
9012         ql_dbg(ql_dbg_init, vha, 0x0110,
9013             "Loading %s nvram image.\n",
9014             active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
9015             "primary" : "secondary");
9016         ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
9017
9018         dptr = (__force __le32 *)nv;
9019         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
9020                 chksum += le32_to_cpu(*dptr);
9021
9022         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
9023             "Contents of NVRAM:\n");
9024         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
9025             nv, ha->nvram_size);
9026
9027         /* Bad NVRAM data, set defaults parameters. */
9028         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
9029             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
9030                 /* Reset NVRAM data. */
9031                 ql_log(ql_log_info, vha, 0x0073,
9032                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
9033                     chksum, nv->id, le16_to_cpu(nv->nvram_version));
9034                 ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv));
9035                 ql_log(ql_log_info, vha, 0x0074,
9036                     "Falling back to functioning (yet invalid -- WWPN) "
9037                     "defaults.\n");
9038
9039                 /*
9040                  * Set default initialization control block.
9041                  */
9042                 memset(nv, 0, ha->nvram_size);
9043                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
9044                 nv->version = cpu_to_le16(ICB_VERSION);
9045                 nv->frame_payload_size = cpu_to_le16(2048);
9046                 nv->execution_throttle = cpu_to_le16(0xFFFF);
9047                 nv->exchange_count = cpu_to_le16(0);
9048                 nv->port_name[0] = 0x21;
9049                 nv->port_name[1] = 0x00 + ha->port_no + 1;
9050                 nv->port_name[2] = 0x00;
9051                 nv->port_name[3] = 0xe0;
9052                 nv->port_name[4] = 0x8b;
9053                 nv->port_name[5] = 0x1c;
9054                 nv->port_name[6] = 0x55;
9055                 nv->port_name[7] = 0x86;
9056                 nv->node_name[0] = 0x20;
9057                 nv->node_name[1] = 0x00;
9058                 nv->node_name[2] = 0x00;
9059                 nv->node_name[3] = 0xe0;
9060                 nv->node_name[4] = 0x8b;
9061                 nv->node_name[5] = 0x1c;
9062                 nv->node_name[6] = 0x55;
9063                 nv->node_name[7] = 0x86;
9064                 nv->login_retry_count = cpu_to_le16(8);
9065                 nv->interrupt_delay_timer = cpu_to_le16(0);
9066                 nv->login_timeout = cpu_to_le16(0);
9067                 nv->firmware_options_1 =
9068                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
9069                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
9070                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
9071                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
9072                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
9073                 nv->efi_parameters = cpu_to_le32(0);
9074                 nv->reset_delay = 5;
9075                 nv->max_luns_per_target = cpu_to_le16(128);
9076                 nv->port_down_retry_count = cpu_to_le16(30);
9077                 nv->link_down_timeout = cpu_to_le16(180);
9078                 nv->enode_mac[0] = 0x00;
9079                 nv->enode_mac[1] = 0xC0;
9080                 nv->enode_mac[2] = 0xDD;
9081                 nv->enode_mac[3] = 0x04;
9082                 nv->enode_mac[4] = 0x05;
9083                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
9084
9085                 rval = 1;
9086         }
9087
9088         if (IS_T10_PI_CAPABLE(ha))
9089                 nv->frame_payload_size &= cpu_to_le16(~7);
9090
9091         qlt_81xx_config_nvram_stage1(vha, nv);
9092
9093         /* Reset Initialization control block */
9094         memset(icb, 0, ha->init_cb_size);
9095
9096         /* Copy 1st segment. */
9097         dptr1 = (uint8_t *)icb;
9098         dptr2 = (uint8_t *)&nv->version;
9099         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
9100         while (cnt--)
9101                 *dptr1++ = *dptr2++;
9102
9103         icb->login_retry_count = nv->login_retry_count;
9104
9105         /* Copy 2nd segment. */
9106         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
9107         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
9108         cnt = (uint8_t *)&icb->reserved_5 -
9109             (uint8_t *)&icb->interrupt_delay_timer;
9110         while (cnt--)
9111                 *dptr1++ = *dptr2++;
9112
9113         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
9114         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
9115         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
9116                 icb->enode_mac[0] = 0x00;
9117                 icb->enode_mac[1] = 0xC0;
9118                 icb->enode_mac[2] = 0xDD;
9119                 icb->enode_mac[3] = 0x04;
9120                 icb->enode_mac[4] = 0x05;
9121                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
9122         }
9123
9124         /* Use extended-initialization control block. */
9125         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
9126         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
9127         /*
9128          * Setup driver NVRAM options.
9129          */
9130         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
9131             "QLE8XXX");
9132
9133         qlt_81xx_config_nvram_stage2(vha, icb);
9134
9135         /* Use alternate WWN? */
9136         if (nv->host_p & cpu_to_le32(BIT_15)) {
9137                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
9138                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
9139         }
9140
9141         /* Prepare nodename */
9142         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
9143                 /*
9144                  * Firmware will apply the following mask if the nodename was
9145                  * not provided.
9146                  */
9147                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
9148                 icb->node_name[0] &= 0xF0;
9149         }
9150
9151         if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
9152                 if ((nv->enhanced_features & BIT_7) == 0)
9153                         ha->flags.scm_supported_a = 1;
9154         }
9155
9156         /* Set host adapter parameters. */
9157         ha->flags.disable_risc_code_load = 0;
9158         ha->flags.enable_lip_reset = 0;
9159         ha->flags.enable_lip_full_login =
9160             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
9161         ha->flags.enable_target_reset =
9162             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
9163         ha->flags.enable_led_scheme = 0;
9164         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
9165
9166         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
9167             (BIT_6 | BIT_5 | BIT_4)) >> 4;
9168
9169         /* save HBA serial number */
9170         ha->serial0 = icb->port_name[5];
9171         ha->serial1 = icb->port_name[6];
9172         ha->serial2 = icb->port_name[7];
9173         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
9174         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
9175
9176         icb->execution_throttle = cpu_to_le16(0xFFFF);
9177
9178         ha->retry_count = le16_to_cpu(nv->login_retry_count);
9179
9180         /* Set minimum login_timeout to 4 seconds. */
9181         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
9182                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
9183         if (le16_to_cpu(nv->login_timeout) < 4)
9184                 nv->login_timeout = cpu_to_le16(4);
9185         ha->login_timeout = le16_to_cpu(nv->login_timeout);
9186
9187         /* Set minimum RATOV to 100 tenths of a second. */
9188         ha->r_a_tov = 100;
9189
9190         ha->loop_reset_delay = nv->reset_delay;
9191
9192         /* Link Down Timeout = 0:
9193          *
9194          *      When Port Down timer expires we will start returning
9195          *      I/O's to OS with "DID_NO_CONNECT".
9196          *
9197          * Link Down Timeout != 0:
9198          *
9199          *       The driver waits for the link to come up after link down
9200          *       before returning I/Os to OS with "DID_NO_CONNECT".
9201          */
9202         if (le16_to_cpu(nv->link_down_timeout) == 0) {
9203                 ha->loop_down_abort_time =
9204                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
9205         } else {
9206                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
9207                 ha->loop_down_abort_time =
9208                     (LOOP_DOWN_TIME - ha->link_down_timeout);
9209         }
9210
9211         /* Need enough time to try and get the port back. */
9212         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
9213         if (qlport_down_retry)
9214                 ha->port_down_retry_count = qlport_down_retry;
9215
9216         /* Set login_retry_count */
9217         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
9218         if (ha->port_down_retry_count ==
9219             le16_to_cpu(nv->port_down_retry_count) &&
9220             ha->port_down_retry_count > 3)
9221                 ha->login_retry_count = ha->port_down_retry_count;
9222         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
9223                 ha->login_retry_count = ha->port_down_retry_count;
9224         if (ql2xloginretrycount)
9225                 ha->login_retry_count = ql2xloginretrycount;
9226
9227         /* if not running MSI-X we need handshaking on interrupts */
9228         if (!vha->hw->flags.msix_enabled &&
9229             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)))
9230                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
9231
9232         /* Enable ZIO. */
9233         if (!vha->flags.init_done) {
9234                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
9235                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
9236                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
9237                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
9238         }
9239         icb->firmware_options_2 &= cpu_to_le32(
9240             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
9241         vha->flags.process_response_queue = 0;
9242         if (ha->zio_mode != QLA_ZIO_DISABLED) {
9243                 ha->zio_mode = QLA_ZIO_MODE_6;
9244
9245                 ql_log(ql_log_info, vha, 0x0075,
9246                     "ZIO mode %d enabled; timer delay (%d us).\n",
9247                     ha->zio_mode,
9248                     ha->zio_timer * 100);
9249
9250                 icb->firmware_options_2 |= cpu_to_le32(
9251                     (uint32_t)ha->zio_mode);
9252                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
9253                 vha->flags.process_response_queue = 1;
9254         }
9255
9256          /* enable RIDA Format2 */
9257         icb->firmware_options_3 |= cpu_to_le32(BIT_0);
9258
9259         /* N2N: driver will initiate Login instead of FW */
9260         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
9261
9262         /* Determine NVMe/FCP priority for target ports */
9263         ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha);
9264
9265         if (rval) {
9266                 ql_log(ql_log_warn, vha, 0x0076,
9267                     "NVRAM configuration failed.\n");
9268         }
9269         return (rval);
9270 }
9271
9272 int
9273 qla82xx_restart_isp(scsi_qla_host_t *vha)
9274 {
9275         int status, rval;
9276         struct qla_hw_data *ha = vha->hw;
9277         struct scsi_qla_host *vp, *tvp;
9278         unsigned long flags;
9279
9280         status = qla2x00_init_rings(vha);
9281         if (!status) {
9282                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
9283                 ha->flags.chip_reset_done = 1;
9284
9285                 status = qla2x00_fw_ready(vha);
9286                 if (!status) {
9287                         /* Issue a marker after FW becomes ready. */
9288                         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
9289                         vha->flags.online = 1;
9290                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
9291                 }
9292
9293                 /* if no cable then assume it's good */
9294                 if ((vha->device_flags & DFLG_NO_CABLE))
9295                         status = 0;
9296         }
9297
9298         if (!status) {
9299                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
9300
9301                 if (!atomic_read(&vha->loop_down_timer)) {
9302                         /*
9303                          * Issue marker command only when we are going
9304                          * to start the I/O .
9305                          */
9306                         vha->marker_needed = 1;
9307                 }
9308
9309                 ha->isp_ops->enable_intrs(ha);
9310
9311                 ha->isp_abort_cnt = 0;
9312                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
9313
9314                 /* Update the firmware version */
9315                 status = qla82xx_check_md_needed(vha);
9316
9317                 if (ha->fce) {
9318                         ha->flags.fce_enabled = 1;
9319                         memset(ha->fce, 0,
9320                             fce_calc_size(ha->fce_bufs));
9321                         rval = qla2x00_enable_fce_trace(vha,
9322                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
9323                             &ha->fce_bufs);
9324                         if (rval) {
9325                                 ql_log(ql_log_warn, vha, 0x8001,
9326                                     "Unable to reinitialize FCE (%d).\n",
9327                                     rval);
9328                                 ha->flags.fce_enabled = 0;
9329                         }
9330                 }
9331
9332                 if (ha->eft) {
9333                         memset(ha->eft, 0, EFT_SIZE);
9334                         rval = qla2x00_enable_eft_trace(vha,
9335                             ha->eft_dma, EFT_NUM_BUFFERS);
9336                         if (rval) {
9337                                 ql_log(ql_log_warn, vha, 0x8010,
9338                                     "Unable to reinitialize EFT (%d).\n",
9339                                     rval);
9340                         }
9341                 }
9342         }
9343
9344         if (!status) {
9345                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
9346                     "qla82xx_restart_isp succeeded.\n");
9347
9348                 spin_lock_irqsave(&ha->vport_slock, flags);
9349                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
9350                         if (vp->vp_idx) {
9351                                 atomic_inc(&vp->vref_count);
9352                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
9353
9354                                 qla2x00_vp_abort_isp(vp);
9355
9356                                 spin_lock_irqsave(&ha->vport_slock, flags);
9357                                 atomic_dec(&vp->vref_count);
9358                         }
9359                 }
9360                 spin_unlock_irqrestore(&ha->vport_slock, flags);
9361
9362         } else {
9363                 ql_log(ql_log_warn, vha, 0x8016,
9364                     "qla82xx_restart_isp **** FAILED ****.\n");
9365         }
9366
9367         return status;
9368 }
9369
9370 /*
9371  * qla24xx_get_fcp_prio
9372  *      Gets the fcp cmd priority value for the logged in port.
9373  *      Looks for a match of the port descriptors within
9374  *      each of the fcp prio config entries. If a match is found,
9375  *      the tag (priority) value is returned.
9376  *
9377  * Input:
9378  *      vha = scsi host structure pointer.
9379  *      fcport = port structure pointer.
9380  *
9381  * Return:
9382  *      non-zero (if found)
9383  *      -1 (if not found)
9384  *
9385  * Context:
9386  *      Kernel context
9387  */
9388 static int
9389 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
9390 {
9391         int i, entries;
9392         uint8_t pid_match, wwn_match;
9393         int priority;
9394         uint32_t pid1, pid2;
9395         uint64_t wwn1, wwn2;
9396         struct qla_fcp_prio_entry *pri_entry;
9397         struct qla_hw_data *ha = vha->hw;
9398
9399         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
9400                 return -1;
9401
9402         priority = -1;
9403         entries = ha->fcp_prio_cfg->num_entries;
9404         pri_entry = &ha->fcp_prio_cfg->entry[0];
9405
9406         for (i = 0; i < entries; i++) {
9407                 pid_match = wwn_match = 0;
9408
9409                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
9410                         pri_entry++;
9411                         continue;
9412                 }
9413
9414                 /* check source pid for a match */
9415                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
9416                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
9417                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
9418                         if (pid1 == INVALID_PORT_ID)
9419                                 pid_match++;
9420                         else if (pid1 == pid2)
9421                                 pid_match++;
9422                 }
9423
9424                 /* check destination pid for a match */
9425                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
9426                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
9427                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
9428                         if (pid1 == INVALID_PORT_ID)
9429                                 pid_match++;
9430                         else if (pid1 == pid2)
9431                                 pid_match++;
9432                 }
9433
9434                 /* check source WWN for a match */
9435                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
9436                         wwn1 = wwn_to_u64(vha->port_name);
9437                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
9438                         if (wwn2 == (uint64_t)-1)
9439                                 wwn_match++;
9440                         else if (wwn1 == wwn2)
9441                                 wwn_match++;
9442                 }
9443
9444                 /* check destination WWN for a match */
9445                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
9446                         wwn1 = wwn_to_u64(fcport->port_name);
9447                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
9448                         if (wwn2 == (uint64_t)-1)
9449                                 wwn_match++;
9450                         else if (wwn1 == wwn2)
9451                                 wwn_match++;
9452                 }
9453
9454                 if (pid_match == 2 || wwn_match == 2) {
9455                         /* Found a matching entry */
9456                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
9457                                 priority = pri_entry->tag;
9458                         break;
9459                 }
9460
9461                 pri_entry++;
9462         }
9463
9464         return priority;
9465 }
9466
9467 /*
9468  * qla24xx_update_fcport_fcp_prio
9469  *      Activates fcp priority for the logged in fc port
9470  *
9471  * Input:
9472  *      vha = scsi host structure pointer.
9473  *      fcp = port structure pointer.
9474  *
9475  * Return:
9476  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
9477  *
9478  * Context:
9479  *      Kernel context.
9480  */
9481 int
9482 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
9483 {
9484         int ret;
9485         int priority;
9486         uint16_t mb[5];
9487
9488         if (fcport->port_type != FCT_TARGET ||
9489             fcport->loop_id == FC_NO_LOOP_ID)
9490                 return QLA_FUNCTION_FAILED;
9491
9492         priority = qla24xx_get_fcp_prio(vha, fcport);
9493         if (priority < 0)
9494                 return QLA_FUNCTION_FAILED;
9495
9496         if (IS_P3P_TYPE(vha->hw)) {
9497                 fcport->fcp_prio = priority & 0xf;
9498                 return QLA_SUCCESS;
9499         }
9500
9501         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
9502         if (ret == QLA_SUCCESS) {
9503                 if (fcport->fcp_prio != priority)
9504                         ql_dbg(ql_dbg_user, vha, 0x709e,
9505                             "Updated FCP_CMND priority - value=%d loop_id=%d "
9506                             "port_id=%02x%02x%02x.\n", priority,
9507                             fcport->loop_id, fcport->d_id.b.domain,
9508                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
9509                 fcport->fcp_prio = priority & 0xf;
9510         } else
9511                 ql_dbg(ql_dbg_user, vha, 0x704f,
9512                     "Unable to update FCP_CMND priority - ret=0x%x for "
9513                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
9514                     fcport->d_id.b.domain, fcport->d_id.b.area,
9515                     fcport->d_id.b.al_pa);
9516         return  ret;
9517 }
9518
9519 /*
9520  * qla24xx_update_all_fcp_prio
9521  *      Activates fcp priority for all the logged in ports
9522  *
9523  * Input:
9524  *      ha = adapter block pointer.
9525  *
9526  * Return:
9527  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
9528  *
9529  * Context:
9530  *      Kernel context.
9531  */
9532 int
9533 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
9534 {
9535         int ret;
9536         fc_port_t *fcport;
9537
9538         ret = QLA_FUNCTION_FAILED;
9539         /* We need to set priority for all logged in ports */
9540         list_for_each_entry(fcport, &vha->vp_fcports, list)
9541                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
9542
9543         return ret;
9544 }
9545
9546 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
9547         int vp_idx, bool startqp)
9548 {
9549         int rsp_id = 0;
9550         int  req_id = 0;
9551         int i;
9552         struct qla_hw_data *ha = vha->hw;
9553         uint16_t qpair_id = 0;
9554         struct qla_qpair *qpair = NULL;
9555         struct qla_msix_entry *msix;
9556
9557         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
9558                 ql_log(ql_log_warn, vha, 0x00181,
9559                     "FW/Driver is not multi-queue capable.\n");
9560                 return NULL;
9561         }
9562
9563         if (ql2xmqsupport || ql2xnvmeenable) {
9564                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
9565                 if (qpair == NULL) {
9566                         ql_log(ql_log_warn, vha, 0x0182,
9567                             "Failed to allocate memory for queue pair.\n");
9568                         return NULL;
9569                 }
9570
9571                 qpair->hw = vha->hw;
9572                 qpair->vha = vha;
9573                 qpair->qp_lock_ptr = &qpair->qp_lock;
9574                 spin_lock_init(&qpair->qp_lock);
9575                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
9576
9577                 /* Assign available que pair id */
9578                 mutex_lock(&ha->mq_lock);
9579                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
9580                 if (ha->num_qpairs >= ha->max_qpairs) {
9581                         mutex_unlock(&ha->mq_lock);
9582                         ql_log(ql_log_warn, vha, 0x0183,
9583                             "No resources to create additional q pair.\n");
9584                         goto fail_qid_map;
9585                 }
9586                 ha->num_qpairs++;
9587                 set_bit(qpair_id, ha->qpair_qid_map);
9588                 ha->queue_pair_map[qpair_id] = qpair;
9589                 qpair->id = qpair_id;
9590                 qpair->vp_idx = vp_idx;
9591                 qpair->fw_started = ha->flags.fw_started;
9592                 INIT_LIST_HEAD(&qpair->hints_list);
9593                 qpair->chip_reset = ha->base_qpair->chip_reset;
9594                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
9595                 qpair->enable_explicit_conf =
9596                     ha->base_qpair->enable_explicit_conf;
9597
9598                 for (i = 0; i < ha->msix_count; i++) {
9599                         msix = &ha->msix_entries[i];
9600                         if (msix->in_use)
9601                                 continue;
9602                         qpair->msix = msix;
9603                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
9604                             "Vector %x selected for qpair\n", msix->vector);
9605                         break;
9606                 }
9607                 if (!qpair->msix) {
9608                         ql_log(ql_log_warn, vha, 0x0184,
9609                             "Out of MSI-X vectors!.\n");
9610                         goto fail_msix;
9611                 }
9612
9613                 qpair->msix->in_use = 1;
9614                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
9615                 qpair->pdev = ha->pdev;
9616                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
9617                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
9618
9619                 mutex_unlock(&ha->mq_lock);
9620
9621                 /* Create response queue first */
9622                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
9623                 if (!rsp_id) {
9624                         ql_log(ql_log_warn, vha, 0x0185,
9625                             "Failed to create response queue.\n");
9626                         goto fail_rsp;
9627                 }
9628
9629                 qpair->rsp = ha->rsp_q_map[rsp_id];
9630
9631                 /* Create request queue */
9632                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
9633                     startqp);
9634                 if (!req_id) {
9635                         ql_log(ql_log_warn, vha, 0x0186,
9636                             "Failed to create request queue.\n");
9637                         goto fail_req;
9638                 }
9639
9640                 qpair->req = ha->req_q_map[req_id];
9641                 qpair->rsp->req = qpair->req;
9642                 qpair->rsp->qpair = qpair;
9643
9644                 if (!qpair->cpu_mapped)
9645                         qla_cpu_update(qpair, raw_smp_processor_id());
9646
9647                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
9648                         if (ha->fw_attributes & BIT_4)
9649                                 qpair->difdix_supported = 1;
9650                 }
9651
9652                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
9653                 if (!qpair->srb_mempool) {
9654                         ql_log(ql_log_warn, vha, 0xd036,
9655                             "Failed to create srb mempool for qpair %d\n",
9656                             qpair->id);
9657                         goto fail_mempool;
9658                 }
9659
9660                 if (qla_create_buf_pool(vha, qpair)) {
9661                         ql_log(ql_log_warn, vha, 0xd036,
9662                             "Failed to initialize buf pool for qpair %d\n",
9663                             qpair->id);
9664                         goto fail_bufpool;
9665                 }
9666
9667                 /* Mark as online */
9668                 qpair->online = 1;
9669
9670                 if (!vha->flags.qpairs_available)
9671                         vha->flags.qpairs_available = 1;
9672
9673                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
9674                     "Request/Response queue pair created, id %d\n",
9675                     qpair->id);
9676                 ql_dbg(ql_dbg_init, vha, 0x0187,
9677                     "Request/Response queue pair created, id %d\n",
9678                     qpair->id);
9679         }
9680         return qpair;
9681
9682 fail_bufpool:
9683         mempool_destroy(qpair->srb_mempool);
9684 fail_mempool:
9685         qla25xx_delete_req_que(vha, qpair->req);
9686 fail_req:
9687         qla25xx_delete_rsp_que(vha, qpair->rsp);
9688 fail_rsp:
9689         mutex_lock(&ha->mq_lock);
9690         qpair->msix->in_use = 0;
9691         list_del(&qpair->qp_list_elem);
9692         if (list_empty(&vha->qp_list))
9693                 vha->flags.qpairs_available = 0;
9694 fail_msix:
9695         ha->queue_pair_map[qpair_id] = NULL;
9696         clear_bit(qpair_id, ha->qpair_qid_map);
9697         ha->num_qpairs--;
9698         mutex_unlock(&ha->mq_lock);
9699 fail_qid_map:
9700         kfree(qpair);
9701         return NULL;
9702 }
9703
9704 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
9705 {
9706         int ret = QLA_FUNCTION_FAILED;
9707         struct qla_hw_data *ha = qpair->hw;
9708
9709         qpair->delete_in_progress = 1;
9710
9711         qla_free_buf_pool(qpair);
9712
9713         ret = qla25xx_delete_req_que(vha, qpair->req);
9714         if (ret != QLA_SUCCESS)
9715                 goto fail;
9716
9717         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
9718         if (ret != QLA_SUCCESS)
9719                 goto fail;
9720
9721         mutex_lock(&ha->mq_lock);
9722         ha->queue_pair_map[qpair->id] = NULL;
9723         clear_bit(qpair->id, ha->qpair_qid_map);
9724         ha->num_qpairs--;
9725         list_del(&qpair->qp_list_elem);
9726         if (list_empty(&vha->qp_list)) {
9727                 vha->flags.qpairs_available = 0;
9728                 vha->flags.qpairs_req_created = 0;
9729                 vha->flags.qpairs_rsp_created = 0;
9730         }
9731         mempool_destroy(qpair->srb_mempool);
9732         kfree(qpair);
9733         mutex_unlock(&ha->mq_lock);
9734
9735         return QLA_SUCCESS;
9736 fail:
9737         return ret;
9738 }
9739
9740 uint64_t
9741 qla2x00_count_set_bits(uint32_t num)
9742 {
9743         /* Brian Kernighan's Algorithm */
9744         u64 count = 0;
9745
9746         while (num) {
9747                 num &= (num - 1);
9748                 count++;
9749         }
9750         return count;
9751 }
9752
9753 uint64_t
9754 qla2x00_get_num_tgts(scsi_qla_host_t *vha)
9755 {
9756         fc_port_t *f, *tf;
9757         u64 count = 0;
9758
9759         f = NULL;
9760         tf = NULL;
9761
9762         list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
9763                 if (f->port_type != FCT_TARGET)
9764                         continue;
9765                 count++;
9766         }
9767         return count;
9768 }
9769
9770 int qla2xxx_reset_stats(struct Scsi_Host *host, u32 flags)
9771 {
9772         scsi_qla_host_t *vha = shost_priv(host);
9773         fc_port_t *fcport = NULL;
9774         unsigned long int_flags;
9775
9776         if (flags & QLA2XX_HW_ERROR)
9777                 vha->hw_err_cnt = 0;
9778         if (flags & QLA2XX_SHT_LNK_DWN)
9779                 vha->short_link_down_cnt = 0;
9780         if (flags & QLA2XX_INT_ERR)
9781                 vha->interface_err_cnt = 0;
9782         if (flags & QLA2XX_CMD_TIMEOUT)
9783                 vha->cmd_timeout_cnt = 0;
9784         if (flags & QLA2XX_RESET_CMD_ERR)
9785                 vha->reset_cmd_err_cnt = 0;
9786         if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
9787                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
9788                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
9789                         fcport->tgt_short_link_down_cnt = 0;
9790                         fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
9791                 }
9792                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
9793         }
9794         vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
9795         return 0;
9796 }
9797
9798 int qla2xxx_start_stats(struct Scsi_Host *host, u32 flags)
9799 {
9800         return qla2xxx_reset_stats(host, flags);
9801 }
9802
9803 int qla2xxx_stop_stats(struct Scsi_Host *host, u32 flags)
9804 {
9805         return qla2xxx_reset_stats(host, flags);
9806 }
9807
9808 int qla2xxx_get_ini_stats(struct Scsi_Host *host, u32 flags,
9809                           void *data, u64 size)
9810 {
9811         scsi_qla_host_t *vha = shost_priv(host);
9812         struct ql_vnd_host_stats_resp *resp = (struct ql_vnd_host_stats_resp *)data;
9813         struct ql_vnd_stats *rsp_data = &resp->stats;
9814         u64 ini_entry_count = 0;
9815         u64 i = 0;
9816         u64 entry_count = 0;
9817         u64 num_tgt = 0;
9818         u32 tmp_stat_type = 0;
9819         fc_port_t *fcport = NULL;
9820         unsigned long int_flags;
9821
9822         /* Copy stat type to work on it */
9823         tmp_stat_type = flags;
9824
9825         if (tmp_stat_type & BIT_17) {
9826                 num_tgt = qla2x00_get_num_tgts(vha);
9827                 /* unset BIT_17 */
9828                 tmp_stat_type &= ~(1 << 17);
9829         }
9830         ini_entry_count = qla2x00_count_set_bits(tmp_stat_type);
9831
9832         entry_count = ini_entry_count + num_tgt;
9833
9834         rsp_data->entry_count = entry_count;
9835
9836         i = 0;
9837         if (flags & QLA2XX_HW_ERROR) {
9838                 rsp_data->entry[i].stat_type = QLA2XX_HW_ERROR;
9839                 rsp_data->entry[i].tgt_num = 0x0;
9840                 rsp_data->entry[i].cnt = vha->hw_err_cnt;
9841                 i++;
9842         }
9843
9844         if (flags & QLA2XX_SHT_LNK_DWN) {
9845                 rsp_data->entry[i].stat_type = QLA2XX_SHT_LNK_DWN;
9846                 rsp_data->entry[i].tgt_num = 0x0;
9847                 rsp_data->entry[i].cnt = vha->short_link_down_cnt;
9848                 i++;
9849         }
9850
9851         if (flags & QLA2XX_INT_ERR) {
9852                 rsp_data->entry[i].stat_type = QLA2XX_INT_ERR;
9853                 rsp_data->entry[i].tgt_num = 0x0;
9854                 rsp_data->entry[i].cnt = vha->interface_err_cnt;
9855                 i++;
9856         }
9857
9858         if (flags & QLA2XX_CMD_TIMEOUT) {
9859                 rsp_data->entry[i].stat_type = QLA2XX_CMD_TIMEOUT;
9860                 rsp_data->entry[i].tgt_num = 0x0;
9861                 rsp_data->entry[i].cnt = vha->cmd_timeout_cnt;
9862                 i++;
9863         }
9864
9865         if (flags & QLA2XX_RESET_CMD_ERR) {
9866                 rsp_data->entry[i].stat_type = QLA2XX_RESET_CMD_ERR;
9867                 rsp_data->entry[i].tgt_num = 0x0;
9868                 rsp_data->entry[i].cnt = vha->reset_cmd_err_cnt;
9869                 i++;
9870         }
9871
9872         /* i will continue from previous loop, as target
9873          * entries are after initiator
9874          */
9875         if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
9876                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
9877                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
9878                         if (fcport->port_type != FCT_TARGET)
9879                                 continue;
9880                         if (!fcport->rport)
9881                                 continue;
9882                         rsp_data->entry[i].stat_type = QLA2XX_TGT_SHT_LNK_DOWN;
9883                         rsp_data->entry[i].tgt_num = fcport->rport->number;
9884                         rsp_data->entry[i].cnt = fcport->tgt_short_link_down_cnt;
9885                         i++;
9886                 }
9887                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
9888         }
9889         resp->status = EXT_STATUS_OK;
9890
9891         return 0;
9892 }
9893
9894 int qla2xxx_get_tgt_stats(struct Scsi_Host *host, u32 flags,
9895                           struct fc_rport *rport, void *data, u64 size)
9896 {
9897         struct ql_vnd_tgt_stats_resp *tgt_data = data;
9898         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
9899
9900         tgt_data->status = 0;
9901         tgt_data->stats.entry_count = 1;
9902         tgt_data->stats.entry[0].stat_type = flags;
9903         tgt_data->stats.entry[0].tgt_num = rport->number;
9904         tgt_data->stats.entry[0].cnt = fcport->tgt_short_link_down_cnt;
9905
9906         return 0;
9907 }
9908
9909 int qla2xxx_disable_port(struct Scsi_Host *host)
9910 {
9911         scsi_qla_host_t *vha = shost_priv(host);
9912
9913         vha->hw->flags.port_isolated = 1;
9914
9915         if (qla2x00_isp_reg_stat(vha->hw)) {
9916                 ql_log(ql_log_info, vha, 0x9006,
9917                     "PCI/Register disconnect, exiting.\n");
9918                 qla_pci_set_eeh_busy(vha);
9919                 return FAILED;
9920         }
9921         if (qla2x00_chip_is_down(vha))
9922                 return 0;
9923
9924         if (vha->flags.online) {
9925                 qla2x00_abort_isp_cleanup(vha);
9926                 qla2x00_wait_for_sess_deletion(vha);
9927         }
9928
9929         return 0;
9930 }
9931
9932 int qla2xxx_enable_port(struct Scsi_Host *host)
9933 {
9934         scsi_qla_host_t *vha = shost_priv(host);
9935
9936         if (qla2x00_isp_reg_stat(vha->hw)) {
9937                 ql_log(ql_log_info, vha, 0x9001,
9938                     "PCI/Register disconnect, exiting.\n");
9939                 qla_pci_set_eeh_busy(vha);
9940                 return FAILED;
9941         }
9942
9943         vha->hw->flags.port_isolated = 0;
9944         /* Set the flag to 1, so that isp_abort can proceed */
9945         vha->flags.online = 1;
9946         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9947         qla2xxx_wake_dpc(vha);
9948
9949         return 0;
9950 }