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 int qla24xx_post_prli_work(struct scsi_qla_host*, fc_port_t *);
  38 static void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha,
  39                                       struct event_arg *ea);
  40 static void qla24xx_handle_prli_done_event(struct scsi_qla_host *,
  41     struct event_arg *);
  42 static void __qla24xx_handle_gpdb_event(scsi_qla_host_t *, struct event_arg *);
  43
  44 /* SRB Extensions ---------------------------------------------------------- */
  45
  46 void
  47 qla2x00_sp_timeout(struct timer_list *t)
  48 {
  49         srb_t *sp = from_timer(sp, t, u.iocb_cmd.timer);
  50         struct srb_iocb *iocb;
  51
  52         WARN_ON(irqs_disabled());
  53         iocb = &sp->u.iocb_cmd;
  54         iocb->timeout(sp);
  55 }
  56
  57 void qla2x00_sp_free(srb_t *sp)
  58 {
  59         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  60
  61         del_timer(&iocb->timer);
  62         qla2x00_rel_sp(sp);
  63 }
  64
  65 void qla2xxx_rel_done_warning(srb_t *sp, int res)
  66 {
  67         WARN_ONCE(1, "Calling done() of an already freed srb %p object\n", sp);
  68 }
  69
  70 void qla2xxx_rel_free_warning(srb_t *sp)
  71 {
  72         WARN_ONCE(1, "Calling free() of an already freed srb %p object\n", sp);
  73 }
  74
  75 /* Asynchronous Login/Logout Routines -------------------------------------- */
  76
  77 unsigned long
  78 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
  79 {
  80         unsigned long tmo;
  81         struct qla_hw_data *ha = vha->hw;
  82
  83         /* Firmware should use switch negotiated r_a_tov for timeout. */
  84         tmo = ha->r_a_tov / 10 * 2;
  85         if (IS_QLAFX00(ha)) {
  86                 tmo = FX00_DEF_RATOV * 2;
  87         } else if (!IS_FWI2_CAPABLE(ha)) {
  88                 /*
  89                  * Except for earlier ISPs where the timeout is seeded from the
  90                  * initialization control block.
  91                  */
  92                 tmo = ha->login_timeout;
  93         }
  94         return tmo;
  95 }
  96
  97 static void qla24xx_abort_iocb_timeout(void *data)
  98 {
  99         srb_t *sp = data;
 100         struct srb_iocb *abt = &sp->u.iocb_cmd;
 101         struct qla_qpair *qpair = sp->qpair;
 102         u32 handle;
 103         unsigned long flags;
 104
 105         if (sp->cmd_sp)
 106                 ql_dbg(ql_dbg_async, sp->vha, 0x507c,
 107                     "Abort timeout - cmd hdl=%x, cmd type=%x hdl=%x, type=%x\n",
 108                     sp->cmd_sp->handle, sp->cmd_sp->type,
 109                     sp->handle, sp->type);
 110         else
 111                 ql_dbg(ql_dbg_async, sp->vha, 0x507c,
 112                     "Abort timeout 2 - hdl=%x, type=%x\n",
 113                     sp->handle, sp->type);
 114
 115         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
 116         for (handle = 1; handle < qpair->req->num_outstanding_cmds; handle++) {
 117                 if (sp->cmd_sp && (qpair->req->outstanding_cmds[handle] ==
 118                     sp->cmd_sp))
 119                         qpair->req->outstanding_cmds[handle] = NULL;
 120
 121                 /* removing the abort */
 122                 if (qpair->req->outstanding_cmds[handle] == sp) {
 123                         qpair->req->outstanding_cmds[handle] = NULL;
 124                         break;
 125                 }
 126         }
 127         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
 128
 129         if (sp->cmd_sp)
 130                 sp->cmd_sp->done(sp->cmd_sp, QLA_OS_TIMER_EXPIRED);
 131
 132         abt->u.abt.comp_status = cpu_to_le16(CS_TIMEOUT);
 133         sp->done(sp, QLA_OS_TIMER_EXPIRED);
 134 }
 135
 136 static void qla24xx_abort_sp_done(srb_t *sp, int res)
 137 {
 138         struct srb_iocb *abt = &sp->u.iocb_cmd;
 139         srb_t *orig_sp = sp->cmd_sp;
 140
 141         if (orig_sp)
 142                 qla_wait_nvme_release_cmd_kref(orig_sp);
 143
 144         del_timer(&sp->u.iocb_cmd.timer);
 145         if (sp->flags & SRB_WAKEUP_ON_COMP)
 146                 complete(&abt->u.abt.comp);
 147         else
 148                 sp->free(sp);
 149 }
 150
 151 int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
 152 {
 153         scsi_qla_host_t *vha = cmd_sp->vha;
 154         struct srb_iocb *abt_iocb;
 155         srb_t *sp;
 156         int rval = QLA_FUNCTION_FAILED;
 157
 158         sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport,
 159                                   GFP_ATOMIC);
 160         if (!sp)
 161                 return rval;
 162
 163         abt_iocb = &sp->u.iocb_cmd;
 164         sp->type = SRB_ABT_CMD;
 165         sp->name = "abort";
 166         sp->qpair = cmd_sp->qpair;
 167         sp->cmd_sp = cmd_sp;
 168         if (wait)
 169                 sp->flags = SRB_WAKEUP_ON_COMP;
 170
 171         abt_iocb->timeout = qla24xx_abort_iocb_timeout;
 172         init_completion(&abt_iocb->u.abt.comp);
 173         /* FW can send 2 x ABTS's timeout/20s */
 174         qla2x00_init_timer(sp, 42);
 175
 176         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
 177         abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id);
 178
 179         sp->done = qla24xx_abort_sp_done;
 180
 181         ql_dbg(ql_dbg_async, vha, 0x507c,
 182                "Abort command issued - hdl=%x, type=%x\n", cmd_sp->handle,
 183                cmd_sp->type);
 184
 185         rval = qla2x00_start_sp(sp);
 186         if (rval != QLA_SUCCESS) {
 187                 sp->free(sp);
 188                 return rval;
 189         }
 190
 191         if (wait) {
 192                 wait_for_completion(&abt_iocb->u.abt.comp);
 193                 rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
 194                         QLA_SUCCESS : QLA_FUNCTION_FAILED;
 195                 sp->free(sp);
 196         }
 197
 198         return rval;
 199 }
 200
 201 void
 202 qla2x00_async_iocb_timeout(void *data)
 203 {
 204         srb_t *sp = data;
 205         fc_port_t *fcport = sp->fcport;
 206         struct srb_iocb *lio = &sp->u.iocb_cmd;
 207         int rc, h;
 208         unsigned long flags;
 209
 210         if (fcport) {
 211                 ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 212                     "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
 213                     sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
 214
 215                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 216         } else {
 217                 pr_info("Async-%s timeout - hdl=%x.\n",
 218                     sp->name, sp->handle);
 219         }
 220
 221         switch (sp->type) {
 222         case SRB_LOGIN_CMD:
 223                 rc = qla24xx_async_abort_cmd(sp, false);
 224                 if (rc) {
 225                         /* Retry as needed. */
 226                         lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 227                         lio->u.logio.data[1] =
 228                                 lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 229                                 QLA_LOGIO_LOGIN_RETRIED : 0;
 230                         spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
 231                         for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
 232                             h++) {
 233                                 if (sp->qpair->req->outstanding_cmds[h] ==
 234                                     sp) {
 235                                         sp->qpair->req->outstanding_cmds[h] =
 236                                             NULL;
 237                                         break;
 238                                 }
 239                         }
 240                         spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
 241                         sp->done(sp, QLA_FUNCTION_TIMEOUT);
 242                 }
 243                 break;
 244         case SRB_LOGOUT_CMD:
 245         case SRB_CT_PTHRU_CMD:
 246         case SRB_MB_IOCB:
 247         case SRB_NACK_PLOGI:
 248         case SRB_NACK_PRLI:
 249         case SRB_NACK_LOGO:
 250         case SRB_CTRL_VP:
 251         default:
 252                 rc = qla24xx_async_abort_cmd(sp, false);
 253                 if (rc) {
 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         }
 269 }
 270
 271 static void qla2x00_async_login_sp_done(srb_t *sp, int res)
 272 {
 273         struct scsi_qla_host *vha = sp->vha;
 274         struct srb_iocb *lio = &sp->u.iocb_cmd;
 275         struct event_arg ea;
 276
 277         ql_dbg(ql_dbg_disc, vha, 0x20dd,
 278             "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
 279
 280         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 281
 282         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 283                 memset(&ea, 0, sizeof(ea));
 284                 ea.fcport = sp->fcport;
 285                 ea.data[0] = lio->u.logio.data[0];
 286                 ea.data[1] = lio->u.logio.data[1];
 287                 ea.iop[0] = lio->u.logio.iop[0];
 288                 ea.iop[1] = lio->u.logio.iop[1];
 289                 ea.sp = sp;
 290                 qla24xx_handle_plogi_done_event(vha, &ea);
 291         }
 292
 293         sp->free(sp);
 294 }
 295
 296 static inline bool
 297 fcport_is_smaller(fc_port_t *fcport)
 298 {
 299         if (wwn_to_u64(fcport->port_name) <
 300             wwn_to_u64(fcport->vha->port_name))
 301                 return true;
 302         else
 303                 return false;
 304 }
 305
 306 static inline bool
 307 fcport_is_bigger(fc_port_t *fcport)
 308 {
 309         return !fcport_is_smaller(fcport);
 310 }
 311
 312 int
 313 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 314     uint16_t *data)
 315 {
 316         srb_t *sp;
 317         struct srb_iocb *lio;
 318         int rval = QLA_FUNCTION_FAILED;
 319
 320         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
 321             fcport->loop_id == FC_NO_LOOP_ID) {
 322                 ql_log(ql_log_warn, vha, 0xffff,
 323                     "%s: %8phC - not sending command.\n",
 324                     __func__, fcport->port_name);
 325                 return rval;
 326         }
 327
 328         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 329         if (!sp)
 330                 goto done;
 331
 332         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
 333         fcport->flags |= FCF_ASYNC_SENT;
 334         fcport->logout_completed = 0;
 335
 336         sp->type = SRB_LOGIN_CMD;
 337         sp->name = "login";
 338         sp->gen1 = fcport->rscn_gen;
 339         sp->gen2 = fcport->login_gen;
 340
 341         lio = &sp->u.iocb_cmd;
 342         lio->timeout = qla2x00_async_iocb_timeout;
 343         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 344
 345         sp->done = qla2x00_async_login_sp_done;
 346         if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport))
 347                 lio->u.logio.flags |= SRB_LOGIN_PRLI_ONLY;
 348         else
 349                 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 350
 351         if (NVME_TARGET(vha->hw, fcport))
 352                 lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
 353
 354         ql_log(ql_log_warn, vha, 0x2072,
 355                "Async-login - %8phC hdl=%x, loopid=%x portid=%02x%02x%02x retries=%d.\n",
 356                fcport->port_name, sp->handle, fcport->loop_id,
 357                fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 358                fcport->login_retry);
 359
 360         rval = qla2x00_start_sp(sp);
 361         if (rval != QLA_SUCCESS) {
 362                 fcport->flags |= FCF_LOGIN_NEEDED;
 363                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 364                 goto done_free_sp;
 365         }
 366
 367         return rval;
 368
 369 done_free_sp:
 370         sp->free(sp);
 371         fcport->flags &= ~FCF_ASYNC_SENT;
 372 done:
 373         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 374         return rval;
 375 }
 376
 377 static void qla2x00_async_logout_sp_done(srb_t *sp, int res)
 378 {
 379         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 380         sp->fcport->login_gen++;
 381         qlt_logo_completion_handler(sp->fcport, res);
 382         sp->free(sp);
 383 }
 384
 385 int
 386 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 387 {
 388         srb_t *sp;
 389         struct srb_iocb *lio;
 390         int rval = QLA_FUNCTION_FAILED;
 391
 392         fcport->flags |= FCF_ASYNC_SENT;
 393         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 394         if (!sp)
 395                 goto done;
 396
 397         sp->type = SRB_LOGOUT_CMD;
 398         sp->name = "logout";
 399
 400         lio = &sp->u.iocb_cmd;
 401         lio->timeout = qla2x00_async_iocb_timeout;
 402         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 403
 404         sp->done = qla2x00_async_logout_sp_done;
 405
 406         ql_dbg(ql_dbg_disc, vha, 0x2070,
 407             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC.\n",
 408             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 409                 fcport->d_id.b.area, fcport->d_id.b.al_pa,
 410                 fcport->port_name);
 411
 412         rval = qla2x00_start_sp(sp);
 413         if (rval != QLA_SUCCESS)
 414                 goto done_free_sp;
 415         return rval;
 416
 417 done_free_sp:
 418         sp->free(sp);
 419 done:
 420         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 421         return rval;
 422 }
 423
 424 void
 425 qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 426     uint16_t *data)
 427 {
 428         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 429         /* Don't re-login in target mode */
 430         if (!fcport->tgt_session)
 431                 qla2x00_mark_device_lost(vha, fcport, 1);
 432         qlt_logo_completion_handler(fcport, data[0]);
 433 }
 434
 435 static void qla2x00_async_prlo_sp_done(srb_t *sp, int res)
 436 {
 437         struct srb_iocb *lio = &sp->u.iocb_cmd;
 438         struct scsi_qla_host *vha = sp->vha;
 439
 440         sp->fcport->flags &= ~FCF_ASYNC_ACTIVE;
 441         if (!test_bit(UNLOADING, &vha->dpc_flags))
 442                 qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport,
 443                     lio->u.logio.data);
 444         sp->free(sp);
 445 }
 446
 447 int
 448 qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport)
 449 {
 450         srb_t *sp;
 451         struct srb_iocb *lio;
 452         int rval;
 453
 454         rval = QLA_FUNCTION_FAILED;
 455         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 456         if (!sp)
 457                 goto done;
 458
 459         sp->type = SRB_PRLO_CMD;
 460         sp->name = "prlo";
 461
 462         lio = &sp->u.iocb_cmd;
 463         lio->timeout = qla2x00_async_iocb_timeout;
 464         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 465
 466         sp->done = qla2x00_async_prlo_sp_done;
 467
 468         ql_dbg(ql_dbg_disc, vha, 0x2070,
 469             "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 470             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 471             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 472
 473         rval = qla2x00_start_sp(sp);
 474         if (rval != QLA_SUCCESS)
 475                 goto done_free_sp;
 476
 477         return rval;
 478
 479 done_free_sp:
 480         sp->free(sp);
 481 done:
 482         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 483         return rval;
 484 }
 485
 486 static
 487 void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
 488 {
 489         struct fc_port *fcport = ea->fcport;
 490
 491         ql_dbg(ql_dbg_disc, vha, 0x20d2,
 492             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
 493             __func__, fcport->port_name, fcport->disc_state,
 494             fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
 495             fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
 496
 497         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
 498                   ea->data[0]);
 499
 500         if (ea->data[0] != MBS_COMMAND_COMPLETE) {
 501                 ql_dbg(ql_dbg_disc, vha, 0x2066,
 502                     "%s %8phC: adisc fail: post delete\n",
 503                     __func__, ea->fcport->port_name);
 504                 /* deleted = 0 & logout_on_delete = force fw cleanup */
 505                 fcport->deleted = 0;
 506                 fcport->logout_on_delete = 1;
 507                 qlt_schedule_sess_for_deletion(ea->fcport);
 508                 return;
 509         }
 510
 511         if (ea->fcport->disc_state == DSC_DELETE_PEND)
 512                 return;
 513
 514         if (ea->sp->gen2 != ea->fcport->login_gen) {
 515                 /* target side must have changed it. */
 516                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
 517                     "%s %8phC generation changed\n",
 518                     __func__, ea->fcport->port_name);
 519                 return;
 520         } else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
 521                 qla_rscn_replay(fcport);
 522                 qlt_schedule_sess_for_deletion(fcport);
 523                 return;
 524         }
 525
 526         __qla24xx_handle_gpdb_event(vha, ea);
 527 }
 528
 529 static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 530 {
 531         struct qla_work_evt *e;
 532
 533         e = qla2x00_alloc_work(vha, QLA_EVT_ELS_PLOGI);
 534         if (!e)
 535                 return QLA_FUNCTION_FAILED;
 536
 537         e->u.fcport.fcport = fcport;
 538         fcport->flags |= FCF_ASYNC_ACTIVE;
 539         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
 540         return qla2x00_post_work(vha, e);
 541 }
 542
 543 static void qla2x00_async_adisc_sp_done(srb_t *sp, int res)
 544 {
 545         struct scsi_qla_host *vha = sp->vha;
 546         struct event_arg ea;
 547         struct srb_iocb *lio = &sp->u.iocb_cmd;
 548
 549         ql_dbg(ql_dbg_disc, vha, 0x2066,
 550             "Async done-%s res %x %8phC\n",
 551             sp->name, res, sp->fcport->port_name);
 552
 553         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 554
 555         memset(&ea, 0, sizeof(ea));
 556         ea.rc = res;
 557         ea.data[0] = lio->u.logio.data[0];
 558         ea.data[1] = lio->u.logio.data[1];
 559         ea.iop[0] = lio->u.logio.iop[0];
 560         ea.iop[1] = lio->u.logio.iop[1];
 561         ea.fcport = sp->fcport;
 562         ea.sp = sp;
 563
 564         qla24xx_handle_adisc_event(vha, &ea);
 565
 566         sp->free(sp);
 567 }
 568
 569 int
 570 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 571     uint16_t *data)
 572 {
 573         srb_t *sp;
 574         struct srb_iocb *lio;
 575         int rval = QLA_FUNCTION_FAILED;
 576
 577         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 578                 return rval;
 579
 580         fcport->flags |= FCF_ASYNC_SENT;
 581         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 582         if (!sp)
 583                 goto done;
 584
 585         sp->type = SRB_ADISC_CMD;
 586         sp->name = "adisc";
 587
 588         lio = &sp->u.iocb_cmd;
 589         lio->timeout = qla2x00_async_iocb_timeout;
 590         sp->gen1 = fcport->rscn_gen;
 591         sp->gen2 = fcport->login_gen;
 592         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 593
 594         sp->done = qla2x00_async_adisc_sp_done;
 595         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 596                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 597
 598         ql_dbg(ql_dbg_disc, vha, 0x206f,
 599             "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n",
 600             sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name);
 601
 602         rval = qla2x00_start_sp(sp);
 603         if (rval != QLA_SUCCESS)
 604                 goto done_free_sp;
 605
 606         return rval;
 607
 608 done_free_sp:
 609         sp->free(sp);
 610 done:
 611         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 612         qla2x00_post_async_adisc_work(vha, fcport, data);
 613         return rval;
 614 }
 615
 616 static bool qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id)
 617 {
 618         struct qla_hw_data *ha = vha->hw;
 619
 620         if (IS_FWI2_CAPABLE(ha))
 621                 return loop_id > NPH_LAST_HANDLE;
 622
 623         return (loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) ||
 624                 loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST;
 625 }
 626
 627 /**
 628  * qla2x00_find_new_loop_id - scan through our port list and find a new usable loop ID
 629  * @vha: adapter state pointer.
 630  * @dev: port structure pointer.
 631  *
 632  * Returns:
 633  *      qla2x00 local function return status code.
 634  *
 635  * Context:
 636  *      Kernel context.
 637  */
 638 static int qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
 639 {
 640         int     rval;
 641         struct qla_hw_data *ha = vha->hw;
 642         unsigned long flags = 0;
 643
 644         rval = QLA_SUCCESS;
 645
 646         spin_lock_irqsave(&ha->vport_slock, flags);
 647
 648         dev->loop_id = find_first_zero_bit(ha->loop_id_map, LOOPID_MAP_SIZE);
 649         if (dev->loop_id >= LOOPID_MAP_SIZE ||
 650             qla2x00_is_reserved_id(vha, dev->loop_id)) {
 651                 dev->loop_id = FC_NO_LOOP_ID;
 652                 rval = QLA_FUNCTION_FAILED;
 653         } else {
 654                 set_bit(dev->loop_id, ha->loop_id_map);
 655         }
 656         spin_unlock_irqrestore(&ha->vport_slock, flags);
 657
 658         if (rval == QLA_SUCCESS)
 659                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
 660                        "Assigning new loopid=%x, portid=%x.\n",
 661                        dev->loop_id, dev->d_id.b24);
 662         else
 663                 ql_log(ql_log_warn, dev->vha, 0x2087,
 664                        "No loop_id's available, portid=%x.\n",
 665                        dev->d_id.b24);
 666
 667         return rval;
 668 }
 669
 670 void qla2x00_clear_loop_id(fc_port_t *fcport)
 671 {
 672         struct qla_hw_data *ha = fcport->vha->hw;
 673
 674         if (fcport->loop_id == FC_NO_LOOP_ID ||
 675             qla2x00_is_reserved_id(fcport->vha, fcport->loop_id))
 676                 return;
 677
 678         clear_bit(fcport->loop_id, ha->loop_id_map);
 679         fcport->loop_id = FC_NO_LOOP_ID;
 680 }
 681
 682 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
 683         struct event_arg *ea)
 684 {
 685         fc_port_t *fcport, *conflict_fcport;
 686         struct get_name_list_extended *e;
 687         u16 i, n, found = 0, loop_id;
 688         port_id_t id;
 689         u64 wwn;
 690         u16 data[2];
 691         u8 current_login_state, nvme_cls;
 692
 693         fcport = ea->fcport;
 694         ql_dbg(ql_dbg_disc, vha, 0xffff,
 695             "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d\n",
 696             __func__, fcport->port_name, fcport->disc_state,
 697             fcport->fw_login_state, ea->rc,
 698             fcport->login_gen, fcport->last_login_gen,
 699             fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id);
 700
 701         if (fcport->disc_state == DSC_DELETE_PEND)
 702                 return;
 703
 704         if (ea->rc) { /* rval */
 705                 if (fcport->login_retry == 0) {
 706                         ql_dbg(ql_dbg_disc, vha, 0x20de,
 707                             "GNL failed Port login retry %8phN, retry cnt=%d.\n",
 708                             fcport->port_name, fcport->login_retry);
 709                 }
 710                 return;
 711         }
 712
 713         if (fcport->last_rscn_gen != fcport->rscn_gen) {
 714                 qla_rscn_replay(fcport);
 715                 qlt_schedule_sess_for_deletion(fcport);
 716                 return;
 717         } else if (fcport->last_login_gen != fcport->login_gen) {
 718                 ql_dbg(ql_dbg_disc, vha, 0x20e0,
 719                     "%s %8phC login gen changed\n",
 720                     __func__, fcport->port_name);
 721                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 722                 return;
 723         }
 724
 725         n = ea->data[0] / sizeof(struct get_name_list_extended);
 726
 727         ql_dbg(ql_dbg_disc, vha, 0x20e1,
 728             "%s %d %8phC n %d %02x%02x%02x lid %d \n",
 729             __func__, __LINE__, fcport->port_name, n,
 730             fcport->d_id.b.domain, fcport->d_id.b.area,
 731             fcport->d_id.b.al_pa, fcport->loop_id);
 732
 733         for (i = 0; i < n; i++) {
 734                 e = &vha->gnl.l[i];
 735                 wwn = wwn_to_u64(e->port_name);
 736                 id.b.domain = e->port_id[2];
 737                 id.b.area = e->port_id[1];
 738                 id.b.al_pa = e->port_id[0];
 739                 id.b.rsvd_1 = 0;
 740
 741                 if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
 742                         continue;
 743
 744                 if (IS_SW_RESV_ADDR(id))
 745                         continue;
 746
 747                 found = 1;
 748
 749                 loop_id = le16_to_cpu(e->nport_handle);
 750                 loop_id = (loop_id & 0x7fff);
 751                 nvme_cls = e->current_login_state >> 4;
 752                 current_login_state = e->current_login_state & 0xf;
 753
 754                 if (PRLI_PHASE(nvme_cls)) {
 755                         current_login_state = nvme_cls;
 756                         fcport->fc4_type &= ~FS_FC4TYPE_FCP;
 757                         fcport->fc4_type |= FS_FC4TYPE_NVME;
 758                 } else if (PRLI_PHASE(current_login_state)) {
 759                         fcport->fc4_type |= FS_FC4TYPE_FCP;
 760                         fcport->fc4_type &= ~FS_FC4TYPE_NVME;
 761                 }
 762
 763                 ql_dbg(ql_dbg_disc, vha, 0x20e2,
 764                     "%s found %8phC CLS [%x|%x] fc4_type %d ID[%06x|%06x] lid[%d|%d]\n",
 765                     __func__, fcport->port_name,
 766                     e->current_login_state, fcport->fw_login_state,
 767                     fcport->fc4_type, id.b24, fcport->d_id.b24,
 768                     loop_id, fcport->loop_id);
 769
 770                 switch (fcport->disc_state) {
 771                 case DSC_DELETE_PEND:
 772                 case DSC_DELETED:
 773                         break;
 774                 default:
 775                         if ((id.b24 != fcport->d_id.b24 &&
 776                             fcport->d_id.b24 &&
 777                             fcport->loop_id != FC_NO_LOOP_ID) ||
 778                             (fcport->loop_id != FC_NO_LOOP_ID &&
 779                                 fcport->loop_id != loop_id)) {
 780                                 ql_dbg(ql_dbg_disc, vha, 0x20e3,
 781                                     "%s %d %8phC post del sess\n",
 782                                     __func__, __LINE__, fcport->port_name);
 783                                 if (fcport->n2n_flag)
 784                                         fcport->d_id.b24 = 0;
 785                                 qlt_schedule_sess_for_deletion(fcport);
 786                                 return;
 787                         }
 788                         break;
 789                 }
 790
 791                 fcport->loop_id = loop_id;
 792                 if (fcport->n2n_flag)
 793                         fcport->d_id.b24 = id.b24;
 794
 795                 wwn = wwn_to_u64(fcport->port_name);
 796                 qlt_find_sess_invalidate_other(vha, wwn,
 797                         id, loop_id, &conflict_fcport);
 798
 799                 if (conflict_fcport) {
 800                         /*
 801                          * Another share fcport share the same loop_id &
 802                          * nport id. Conflict fcport needs to finish
 803                          * cleanup before this fcport can proceed to login.
 804                          */
 805                         conflict_fcport->conflict = fcport;
 806                         fcport->login_pause = 1;
 807                 }
 808
 809                 switch (vha->hw->current_topology) {
 810                 default:
 811                         switch (current_login_state) {
 812                         case DSC_LS_PRLI_COMP:
 813                                 ql_dbg(ql_dbg_disc + ql_dbg_verbose,
 814                                     vha, 0x20e4, "%s %d %8phC post gpdb\n",
 815                                     __func__, __LINE__, fcport->port_name);
 816
 817                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 818                                         fcport->port_type = FCT_INITIATOR;
 819                                 else
 820                                         fcport->port_type = FCT_TARGET;
 821                                 data[0] = data[1] = 0;
 822                                 qla2x00_post_async_adisc_work(vha, fcport,
 823                                     data);
 824                                 break;
 825                         case DSC_LS_PORT_UNAVAIL:
 826                         default:
 827                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
 828                                         qla2x00_find_new_loop_id(vha, fcport);
 829                                         fcport->fw_login_state =
 830                                             DSC_LS_PORT_UNAVAIL;
 831                                 }
 832                                 ql_dbg(ql_dbg_disc, vha, 0x20e5,
 833                                     "%s %d %8phC\n", __func__, __LINE__,
 834                                     fcport->port_name);
 835                                 qla24xx_fcport_handle_login(vha, fcport);
 836                                 break;
 837                         }
 838                         break;
 839                 case ISP_CFG_N:
 840                         fcport->fw_login_state = current_login_state;
 841                         fcport->d_id = id;
 842                         switch (current_login_state) {
 843                         case DSC_LS_PRLI_PEND:
 844                                 /*
 845                                  * In the middle of PRLI. Let it finish.
 846                                  * Allow relogin code to recheck state again
 847                                  * with GNL. Push disc_state back to DELETED
 848                                  * so GNL can go out again
 849                                  */
 850                                 qla2x00_set_fcport_disc_state(fcport,
 851                                     DSC_DELETED);
 852                                 break;
 853                         case DSC_LS_PRLI_COMP:
 854                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 855                                         fcport->port_type = FCT_INITIATOR;
 856                                 else
 857                                         fcport->port_type = FCT_TARGET;
 858
 859                                 data[0] = data[1] = 0;
 860                                 qla2x00_post_async_adisc_work(vha, fcport,
 861                                     data);
 862                                 break;
 863                         case DSC_LS_PLOGI_COMP:
 864                                 if (fcport_is_bigger(fcport)) {
 865                                         /* local adapter is smaller */
 866                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 867                                                 qla2x00_clear_loop_id(fcport);
 868
 869                                         fcport->loop_id = loop_id;
 870                                         qla24xx_fcport_handle_login(vha,
 871                                             fcport);
 872                                         break;
 873                                 }
 874                                 fallthrough;
 875                         default:
 876                                 if (fcport_is_smaller(fcport)) {
 877                                         /* local adapter is bigger */
 878                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 879                                                 qla2x00_clear_loop_id(fcport);
 880
 881                                         fcport->loop_id = loop_id;
 882                                         qla24xx_fcport_handle_login(vha,
 883                                             fcport);
 884                                 }
 885                                 break;
 886                         }
 887                         break;
 888                 } /* switch (ha->current_topology) */
 889         }
 890
 891         if (!found) {
 892                 switch (vha->hw->current_topology) {
 893                 case ISP_CFG_F:
 894                 case ISP_CFG_FL:
 895                         for (i = 0; i < n; i++) {
 896                                 e = &vha->gnl.l[i];
 897                                 id.b.domain = e->port_id[0];
 898                                 id.b.area = e->port_id[1];
 899                                 id.b.al_pa = e->port_id[2];
 900                                 id.b.rsvd_1 = 0;
 901                                 loop_id = le16_to_cpu(e->nport_handle);
 902
 903                                 if (fcport->d_id.b24 == id.b24) {
 904                                         conflict_fcport =
 905                                             qla2x00_find_fcport_by_wwpn(vha,
 906                                                 e->port_name, 0);
 907                                         if (conflict_fcport) {
 908                                                 ql_dbg(ql_dbg_disc + ql_dbg_verbose,
 909                                                     vha, 0x20e5,
 910                                                     "%s %d %8phC post del sess\n",
 911                                                     __func__, __LINE__,
 912                                                     conflict_fcport->port_name);
 913                                                 qlt_schedule_sess_for_deletion
 914                                                         (conflict_fcport);
 915                                         }
 916                                 }
 917                                 /*
 918                                  * FW already picked this loop id for
 919                                  * another fcport
 920                                  */
 921                                 if (fcport->loop_id == loop_id)
 922                                         fcport->loop_id = FC_NO_LOOP_ID;
 923                         }
 924                         qla24xx_fcport_handle_login(vha, fcport);
 925                         break;
 926                 case ISP_CFG_N:
 927                         qla2x00_set_fcport_disc_state(fcport, DSC_DELETED);
 928                         if (time_after_eq(jiffies, fcport->dm_login_expire)) {
 929                                 if (fcport->n2n_link_reset_cnt < 2) {
 930                                         fcport->n2n_link_reset_cnt++;
 931                                         /*
 932                                          * remote port is not sending PLOGI.
 933                                          * Reset link to kick start his state
 934                                          * machine
 935                                          */
 936                                         set_bit(N2N_LINK_RESET,
 937                                             &vha->dpc_flags);
 938                                 } else {
 939                                         if (fcport->n2n_chip_reset < 1) {
 940                                                 ql_log(ql_log_info, vha, 0x705d,
 941                                                     "Chip reset to bring laser down");
 942                                                 set_bit(ISP_ABORT_NEEDED,
 943                                                     &vha->dpc_flags);
 944                                                 fcport->n2n_chip_reset++;
 945                                         } else {
 946                                                 ql_log(ql_log_info, vha, 0x705d,
 947                                                     "Remote port %8ph is not coming back\n",
 948                                                     fcport->port_name);
 949                                                 fcport->scan_state = 0;
 950                                         }
 951                                 }
 952                                 qla2xxx_wake_dpc(vha);
 953                         } else {
 954                                 /*
 955                                  * report port suppose to do PLOGI. Give him
 956                                  * more time. FW will catch it.
 957                                  */
 958                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 959                         }
 960                         break;
 961                 default:
 962                         break;
 963                 }
 964         }
 965 } /* gnl_event */
 966
 967 static void qla24xx_async_gnl_sp_done(srb_t *sp, int res)
 968 {
 969         struct scsi_qla_host *vha = sp->vha;
 970         unsigned long flags;
 971         struct fc_port *fcport = NULL, *tf;
 972         u16 i, n = 0, loop_id;
 973         struct event_arg ea;
 974         struct get_name_list_extended *e;
 975         u64 wwn;
 976         struct list_head h;
 977         bool found = false;
 978
 979         ql_dbg(ql_dbg_disc, vha, 0x20e7,
 980             "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
 981             sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
 982             sp->u.iocb_cmd.u.mbx.in_mb[2]);
 983
 984         if (res == QLA_FUNCTION_TIMEOUT)
 985                 return;
 986
 987         sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE);
 988         memset(&ea, 0, sizeof(ea));
 989         ea.sp = sp;
 990         ea.rc = res;
 991
 992         if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
 993             sizeof(struct get_name_list_extended)) {
 994                 n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
 995                     sizeof(struct get_name_list_extended);
 996                 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
 997         }
 998
 999         for (i = 0; i < n; i++) {
1000                 e = &vha->gnl.l[i];
1001                 loop_id = le16_to_cpu(e->nport_handle);
1002                 /* mask out reserve bit */
1003                 loop_id = (loop_id & 0x7fff);
1004                 set_bit(loop_id, vha->hw->loop_id_map);
1005                 wwn = wwn_to_u64(e->port_name);
1006
1007                 ql_dbg(ql_dbg_disc, vha, 0x20e8,
1008                     "%s %8phC %02x:%02x:%02x CLS %x/%x lid %x \n",
1009                     __func__, &wwn, e->port_id[2], e->port_id[1],
1010                     e->port_id[0], e->current_login_state, e->last_login_state,
1011                     (loop_id & 0x7fff));
1012         }
1013
1014         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1015
1016         INIT_LIST_HEAD(&h);
1017         fcport = tf = NULL;
1018         if (!list_empty(&vha->gnl.fcports))
1019                 list_splice_init(&vha->gnl.fcports, &h);
1020         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1021
1022         list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
1023                 list_del_init(&fcport->gnl_entry);
1024                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1025                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1026                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1027                 ea.fcport = fcport;
1028
1029                 qla24xx_handle_gnl_done_event(vha, &ea);
1030         }
1031
1032         /* create new fcport if fw has knowledge of new sessions */
1033         for (i = 0; i < n; i++) {
1034                 port_id_t id;
1035                 u64 wwnn;
1036
1037                 e = &vha->gnl.l[i];
1038                 wwn = wwn_to_u64(e->port_name);
1039
1040                 found = false;
1041                 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
1042                         if (!memcmp((u8 *)&wwn, fcport->port_name,
1043                             WWN_SIZE)) {
1044                                 found = true;
1045                                 break;
1046                         }
1047                 }
1048
1049                 id.b.domain = e->port_id[2];
1050                 id.b.area = e->port_id[1];
1051                 id.b.al_pa = e->port_id[0];
1052                 id.b.rsvd_1 = 0;
1053
1054                 if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
1055                         ql_dbg(ql_dbg_disc, vha, 0x2065,
1056                             "%s %d %8phC %06x post new sess\n",
1057                             __func__, __LINE__, (u8 *)&wwn, id.b24);
1058                         wwnn = wwn_to_u64(e->node_name);
1059                         qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
1060                             (u8 *)&wwnn, NULL, 0);
1061                 }
1062         }
1063
1064         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1065         vha->gnl.sent = 0;
1066         if (!list_empty(&vha->gnl.fcports)) {
1067                 /* retrigger gnl */
1068                 list_for_each_entry_safe(fcport, tf, &vha->gnl.fcports,
1069                     gnl_entry) {
1070                         list_del_init(&fcport->gnl_entry);
1071                         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1072                         if (qla24xx_post_gnl_work(vha, fcport) == QLA_SUCCESS)
1073                                 break;
1074                 }
1075         }
1076         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1077
1078         sp->free(sp);
1079 }
1080
1081 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
1082 {
1083         srb_t *sp;
1084         struct srb_iocb *mbx;
1085         int rval = QLA_FUNCTION_FAILED;
1086         unsigned long flags;
1087         u16 *mb;
1088
1089         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
1090                 return rval;
1091
1092         ql_dbg(ql_dbg_disc, vha, 0x20d9,
1093             "Async-gnlist WWPN %8phC \n", fcport->port_name);
1094
1095         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1096         fcport->flags |= FCF_ASYNC_SENT;
1097         qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1098         fcport->last_rscn_gen = fcport->rscn_gen;
1099         fcport->last_login_gen = fcport->login_gen;
1100
1101         list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
1102         if (vha->gnl.sent) {
1103                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1104                 return QLA_SUCCESS;
1105         }
1106         vha->gnl.sent = 1;
1107         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1108
1109         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1110         if (!sp)
1111                 goto done;
1112
1113         sp->type = SRB_MB_IOCB;
1114         sp->name = "gnlist";
1115         sp->gen1 = fcport->rscn_gen;
1116         sp->gen2 = fcport->login_gen;
1117
1118         mbx = &sp->u.iocb_cmd;
1119         mbx->timeout = qla2x00_async_iocb_timeout;
1120         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
1121
1122         mb = sp->u.iocb_cmd.u.mbx.out_mb;
1123         mb[0] = MBC_PORT_NODE_NAME_LIST;
1124         mb[1] = BIT_2 | BIT_3;
1125         mb[2] = MSW(vha->gnl.ldma);
1126         mb[3] = LSW(vha->gnl.ldma);
1127         mb[6] = MSW(MSD(vha->gnl.ldma));
1128         mb[7] = LSW(MSD(vha->gnl.ldma));
1129         mb[8] = vha->gnl.size;
1130         mb[9] = vha->vp_idx;
1131
1132         sp->done = qla24xx_async_gnl_sp_done;
1133
1134         ql_dbg(ql_dbg_disc, vha, 0x20da,
1135             "Async-%s - OUT WWPN %8phC hndl %x\n",
1136             sp->name, fcport->port_name, sp->handle);
1137
1138         rval = qla2x00_start_sp(sp);
1139         if (rval != QLA_SUCCESS)
1140                 goto done_free_sp;
1141
1142         return rval;
1143
1144 done_free_sp:
1145         sp->free(sp);
1146 done:
1147         fcport->flags &= ~(FCF_ASYNC_ACTIVE | FCF_ASYNC_SENT);
1148         return rval;
1149 }
1150
1151 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1152 {
1153         struct qla_work_evt *e;
1154
1155         e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
1156         if (!e)
1157                 return QLA_FUNCTION_FAILED;
1158
1159         e->u.fcport.fcport = fcport;
1160         fcport->flags |= FCF_ASYNC_ACTIVE;
1161         return qla2x00_post_work(vha, e);
1162 }
1163
1164 static void qla24xx_async_gpdb_sp_done(srb_t *sp, int res)
1165 {
1166         struct scsi_qla_host *vha = sp->vha;
1167         struct qla_hw_data *ha = vha->hw;
1168         fc_port_t *fcport = sp->fcport;
1169         u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
1170         struct event_arg ea;
1171
1172         ql_dbg(ql_dbg_disc, vha, 0x20db,
1173             "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
1174             sp->name, res, fcport->port_name, mb[1], mb[2]);
1175
1176         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1177
1178         if (res == QLA_FUNCTION_TIMEOUT)
1179                 goto done;
1180
1181         memset(&ea, 0, sizeof(ea));
1182         ea.fcport = fcport;
1183         ea.sp = sp;
1184
1185         qla24xx_handle_gpdb_event(vha, &ea);
1186
1187 done:
1188         dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
1189                 sp->u.iocb_cmd.u.mbx.in_dma);
1190
1191         sp->free(sp);
1192 }
1193
1194 static int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1195 {
1196         struct qla_work_evt *e;
1197
1198         if (vha->host->active_mode == MODE_TARGET)
1199                 return QLA_FUNCTION_FAILED;
1200
1201         e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
1202         if (!e)
1203                 return QLA_FUNCTION_FAILED;
1204
1205         e->u.fcport.fcport = fcport;
1206
1207         return qla2x00_post_work(vha, e);
1208 }
1209
1210 static void qla2x00_async_prli_sp_done(srb_t *sp, int res)
1211 {
1212         struct scsi_qla_host *vha = sp->vha;
1213         struct srb_iocb *lio = &sp->u.iocb_cmd;
1214         struct event_arg ea;
1215
1216         ql_dbg(ql_dbg_disc, vha, 0x2129,
1217             "%s %8phC res %d \n", __func__,
1218             sp->fcport->port_name, res);
1219
1220         sp->fcport->flags &= ~FCF_ASYNC_SENT;
1221
1222         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
1223                 memset(&ea, 0, sizeof(ea));
1224                 ea.fcport = sp->fcport;
1225                 ea.data[0] = lio->u.logio.data[0];
1226                 ea.data[1] = lio->u.logio.data[1];
1227                 ea.iop[0] = lio->u.logio.iop[0];
1228                 ea.iop[1] = lio->u.logio.iop[1];
1229                 ea.sp = sp;
1230
1231                 qla24xx_handle_prli_done_event(vha, &ea);
1232         }
1233
1234         sp->free(sp);
1235 }
1236
1237 int
1238 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
1239 {
1240         srb_t *sp;
1241         struct srb_iocb *lio;
1242         int rval = QLA_FUNCTION_FAILED;
1243
1244         if (!vha->flags.online) {
1245                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
1246                     __func__, __LINE__, fcport->port_name);
1247                 return rval;
1248         }
1249
1250         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
1251             fcport->fw_login_state == DSC_LS_PRLI_PEND) &&
1252             qla_dual_mode_enabled(vha)) {
1253                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
1254                     __func__, __LINE__, fcport->port_name);
1255                 return rval;
1256         }
1257
1258         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1259         if (!sp)
1260                 return rval;
1261
1262         fcport->flags |= FCF_ASYNC_SENT;
1263         fcport->logout_completed = 0;
1264
1265         sp->type = SRB_PRLI_CMD;
1266         sp->name = "prli";
1267
1268         lio = &sp->u.iocb_cmd;
1269         lio->timeout = qla2x00_async_iocb_timeout;
1270         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
1271
1272         sp->done = qla2x00_async_prli_sp_done;
1273         lio->u.logio.flags = 0;
1274
1275         if (NVME_TARGET(vha->hw, fcport))
1276                 lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
1277
1278         ql_dbg(ql_dbg_disc, vha, 0x211b,
1279             "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d fc4type %x priority %x %s.\n",
1280             fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24,
1281             fcport->login_retry, fcport->fc4_type, vha->hw->fc4_type_priority,
1282             NVME_TARGET(vha->hw, fcport) ? "nvme" : "fcp");
1283
1284         rval = qla2x00_start_sp(sp);
1285         if (rval != QLA_SUCCESS) {
1286                 fcport->flags |= FCF_LOGIN_NEEDED;
1287                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1288                 goto done_free_sp;
1289         }
1290
1291         return rval;
1292
1293 done_free_sp:
1294         sp->free(sp);
1295         fcport->flags &= ~FCF_ASYNC_SENT;
1296         return rval;
1297 }
1298
1299 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1300 {
1301         struct qla_work_evt *e;
1302
1303         e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
1304         if (!e)
1305                 return QLA_FUNCTION_FAILED;
1306
1307         e->u.fcport.fcport = fcport;
1308         e->u.fcport.opt = opt;
1309         fcport->flags |= FCF_ASYNC_ACTIVE;
1310         return qla2x00_post_work(vha, e);
1311 }
1312
1313 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1314 {
1315         srb_t *sp;
1316         struct srb_iocb *mbx;
1317         int rval = QLA_FUNCTION_FAILED;
1318         u16 *mb;
1319         dma_addr_t pd_dma;
1320         struct port_database_24xx *pd;
1321         struct qla_hw_data *ha = vha->hw;
1322
1323         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
1324             fcport->loop_id == FC_NO_LOOP_ID) {
1325                 ql_log(ql_log_warn, vha, 0xffff,
1326                     "%s: %8phC - not sending command.\n",
1327                     __func__, fcport->port_name);
1328                 return rval;
1329         }
1330
1331         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1332         if (!sp)
1333                 goto done;
1334
1335         qla2x00_set_fcport_disc_state(fcport, DSC_GPDB);
1336
1337         fcport->flags |= FCF_ASYNC_SENT;
1338         sp->type = SRB_MB_IOCB;
1339         sp->name = "gpdb";
1340         sp->gen1 = fcport->rscn_gen;
1341         sp->gen2 = fcport->login_gen;
1342
1343         mbx = &sp->u.iocb_cmd;
1344         mbx->timeout = qla2x00_async_iocb_timeout;
1345         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
1346
1347         pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
1348         if (pd == NULL) {
1349                 ql_log(ql_log_warn, vha, 0xd043,
1350                     "Failed to allocate port database structure.\n");
1351                 goto done_free_sp;
1352         }
1353
1354         mb = sp->u.iocb_cmd.u.mbx.out_mb;
1355         mb[0] = MBC_GET_PORT_DATABASE;
1356         mb[1] = fcport->loop_id;
1357         mb[2] = MSW(pd_dma);
1358         mb[3] = LSW(pd_dma);
1359         mb[6] = MSW(MSD(pd_dma));
1360         mb[7] = LSW(MSD(pd_dma));
1361         mb[9] = vha->vp_idx;
1362         mb[10] = opt;
1363
1364         mbx->u.mbx.in = pd;
1365         mbx->u.mbx.in_dma = pd_dma;
1366
1367         sp->done = qla24xx_async_gpdb_sp_done;
1368
1369         ql_dbg(ql_dbg_disc, vha, 0x20dc,
1370             "Async-%s %8phC hndl %x opt %x\n",
1371             sp->name, fcport->port_name, sp->handle, opt);
1372
1373         rval = qla2x00_start_sp(sp);
1374         if (rval != QLA_SUCCESS)
1375                 goto done_free_sp;
1376         return rval;
1377
1378 done_free_sp:
1379         if (pd)
1380                 dma_pool_free(ha->s_dma_pool, pd, pd_dma);
1381
1382         sp->free(sp);
1383         fcport->flags &= ~FCF_ASYNC_SENT;
1384 done:
1385         fcport->flags &= ~FCF_ASYNC_ACTIVE;
1386         qla24xx_post_gpdb_work(vha, fcport, opt);
1387         return rval;
1388 }
1389
1390 static
1391 void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1392 {
1393         unsigned long flags;
1394
1395         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1396         ea->fcport->login_gen++;
1397         ea->fcport->deleted = 0;
1398         ea->fcport->logout_on_delete = 1;
1399
1400         if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
1401                 vha->fcport_count++;
1402                 ea->fcport->login_succ = 1;
1403
1404                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1405                 qla24xx_sched_upd_fcport(ea->fcport);
1406                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1407         } else if (ea->fcport->login_succ) {
1408                 /*
1409                  * We have an existing session. A late RSCN delivery
1410                  * must have triggered the session to be re-validate.
1411                  * Session is still valid.
1412                  */
1413                 ql_dbg(ql_dbg_disc, vha, 0x20d6,
1414                     "%s %d %8phC session revalidate success\n",
1415                     __func__, __LINE__, ea->fcport->port_name);
1416                 qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_COMPLETE);
1417         }
1418         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1419 }
1420
1421 static
1422 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1423 {
1424         fc_port_t *fcport = ea->fcport;
1425         struct port_database_24xx *pd;
1426         struct srb *sp = ea->sp;
1427         uint8_t ls;
1428
1429         pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
1430
1431         fcport->flags &= ~FCF_ASYNC_SENT;
1432
1433         ql_dbg(ql_dbg_disc, vha, 0x20d2,
1434             "%s %8phC DS %d LS %d fc4_type %x rc %d\n", __func__,
1435             fcport->port_name, fcport->disc_state, pd->current_login_state,
1436             fcport->fc4_type, ea->rc);
1437
1438         if (fcport->disc_state == DSC_DELETE_PEND)
1439                 return;
1440
1441         if (NVME_TARGET(vha->hw, fcport))
1442                 ls = pd->current_login_state >> 4;
1443         else
1444                 ls = pd->current_login_state & 0xf;
1445
1446         if (ea->sp->gen2 != fcport->login_gen) {
1447                 /* target side must have changed it. */
1448
1449                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1450                     "%s %8phC generation changed\n",
1451                     __func__, fcport->port_name);
1452                 return;
1453         } else if (ea->sp->gen1 != fcport->rscn_gen) {
1454                 qla_rscn_replay(fcport);
1455                 qlt_schedule_sess_for_deletion(fcport);
1456                 return;
1457         }
1458
1459         switch (ls) {
1460         case PDS_PRLI_COMPLETE:
1461                 __qla24xx_parse_gpdb(vha, fcport, pd);
1462                 break;
1463         case PDS_PLOGI_PENDING:
1464         case PDS_PLOGI_COMPLETE:
1465         case PDS_PRLI_PENDING:
1466         case PDS_PRLI2_PENDING:
1467                 /* Set discovery state back to GNL to Relogin attempt */
1468                 if (qla_dual_mode_enabled(vha) ||
1469                     qla_ini_mode_enabled(vha)) {
1470                         qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1471                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1472                 }
1473                 return;
1474         case PDS_LOGO_PENDING:
1475         case PDS_PORT_UNAVAILABLE:
1476         default:
1477                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
1478                     __func__, __LINE__, fcport->port_name);
1479                 qlt_schedule_sess_for_deletion(fcport);
1480                 return;
1481         }
1482         __qla24xx_handle_gpdb_event(vha, ea);
1483 } /* gpdb event */
1484
1485 static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1486 {
1487         u8 login = 0;
1488         int rc;
1489
1490         if (qla_tgt_mode_enabled(vha))
1491                 return;
1492
1493         if (qla_dual_mode_enabled(vha)) {
1494                 if (N2N_TOPO(vha->hw)) {
1495                         u64 mywwn, wwn;
1496
1497                         mywwn = wwn_to_u64(vha->port_name);
1498                         wwn = wwn_to_u64(fcport->port_name);
1499                         if (mywwn > wwn)
1500                                 login = 1;
1501                         else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1502                             && time_after_eq(jiffies,
1503                                     fcport->plogi_nack_done_deadline))
1504                                 login = 1;
1505                 } else {
1506                         login = 1;
1507                 }
1508         } else {
1509                 /* initiator mode */
1510                 login = 1;
1511         }
1512
1513         if (login && fcport->login_retry) {
1514                 fcport->login_retry--;
1515                 if (fcport->loop_id == FC_NO_LOOP_ID) {
1516                         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
1517                         rc = qla2x00_find_new_loop_id(vha, fcport);
1518                         if (rc) {
1519                                 ql_dbg(ql_dbg_disc, vha, 0x20e6,
1520                                     "%s %d %8phC post del sess - out of loopid\n",
1521                                     __func__, __LINE__, fcport->port_name);
1522                                 fcport->scan_state = 0;
1523                                 qlt_schedule_sess_for_deletion(fcport);
1524                                 return;
1525                         }
1526                 }
1527                 ql_dbg(ql_dbg_disc, vha, 0x20bf,
1528                     "%s %d %8phC post login\n",
1529                     __func__, __LINE__, fcport->port_name);
1530                 qla2x00_post_async_login_work(vha, fcport, NULL);
1531         }
1532 }
1533
1534 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1535 {
1536         u16 data[2];
1537         u64 wwn;
1538         u16 sec;
1539
1540         ql_dbg(ql_dbg_disc, vha, 0x20d8,
1541             "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d lid %d scan %d\n",
1542             __func__, fcport->port_name, fcport->disc_state,
1543             fcport->fw_login_state, fcport->login_pause, fcport->flags,
1544             fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
1545             fcport->login_gen, fcport->loop_id, fcport->scan_state);
1546
1547         if (fcport->scan_state != QLA_FCPORT_FOUND)
1548                 return 0;
1549
1550         if ((fcport->loop_id != FC_NO_LOOP_ID) &&
1551             qla_dual_mode_enabled(vha) &&
1552             ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1553              (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
1554                 return 0;
1555
1556         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP &&
1557             !N2N_TOPO(vha->hw)) {
1558                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1559                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1560                         return 0;
1561                 }
1562         }
1563
1564         /* Target won't initiate port login if fabric is present */
1565         if (vha->host->active_mode == MODE_TARGET && !N2N_TOPO(vha->hw))
1566                 return 0;
1567
1568         if (fcport->flags & FCF_ASYNC_SENT) {
1569                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1570                 return 0;
1571         }
1572
1573         switch (fcport->disc_state) {
1574         case DSC_DELETED:
1575                 wwn = wwn_to_u64(fcport->node_name);
1576                 switch (vha->hw->current_topology) {
1577                 case ISP_CFG_N:
1578                         if (fcport_is_smaller(fcport)) {
1579                                 /* this adapter is bigger */
1580                                 if (fcport->login_retry) {
1581                                         if (fcport->loop_id == FC_NO_LOOP_ID) {
1582                                                 qla2x00_find_new_loop_id(vha,
1583                                                     fcport);
1584                                                 fcport->fw_login_state =
1585                                                     DSC_LS_PORT_UNAVAIL;
1586                                         }
1587                                         fcport->login_retry--;
1588                                         qla_post_els_plogi_work(vha, fcport);
1589                                 } else {
1590                                         ql_log(ql_log_info, vha, 0x705d,
1591                                             "Unable to reach remote port %8phC",
1592                                             fcport->port_name);
1593                                 }
1594                         } else {
1595                                 qla24xx_post_gnl_work(vha, fcport);
1596                         }
1597                         break;
1598                 default:
1599                         if (wwn == 0)    {
1600                                 ql_dbg(ql_dbg_disc, vha, 0xffff,
1601                                     "%s %d %8phC post GNNID\n",
1602                                     __func__, __LINE__, fcport->port_name);
1603                                 qla24xx_post_gnnid_work(vha, fcport);
1604                         } else if (fcport->loop_id == FC_NO_LOOP_ID) {
1605                                 ql_dbg(ql_dbg_disc, vha, 0x20bd,
1606                                     "%s %d %8phC post gnl\n",
1607                                     __func__, __LINE__, fcport->port_name);
1608                                 qla24xx_post_gnl_work(vha, fcport);
1609                         } else {
1610                                 qla_chk_n2n_b4_login(vha, fcport);
1611                         }
1612                         break;
1613                 }
1614                 break;
1615
1616         case DSC_GNL:
1617                 switch (vha->hw->current_topology) {
1618                 case ISP_CFG_N:
1619                         if ((fcport->current_login_state & 0xf) == 0x6) {
1620                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1621                                     "%s %d %8phC post GPDB work\n",
1622                                     __func__, __LINE__, fcport->port_name);
1623                                 fcport->chip_reset =
1624                                         vha->hw->base_qpair->chip_reset;
1625                                 qla24xx_post_gpdb_work(vha, fcport, 0);
1626                         }  else {
1627                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1628                                     "%s %d %8phC post %s PRLI\n",
1629                                     __func__, __LINE__, fcport->port_name,
1630                                     NVME_TARGET(vha->hw, fcport) ? "NVME" :
1631                                     "FC");
1632                                 qla24xx_post_prli_work(vha, fcport);
1633                         }
1634                         break;
1635                 default:
1636                         if (fcport->login_pause) {
1637                                 ql_dbg(ql_dbg_disc, vha, 0x20d8,
1638                                     "%s %d %8phC exit\n",
1639                                     __func__, __LINE__,
1640                                     fcport->port_name);
1641                                 fcport->last_rscn_gen = fcport->rscn_gen;
1642                                 fcport->last_login_gen = fcport->login_gen;
1643                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1644                                 break;
1645                         }
1646                         qla_chk_n2n_b4_login(vha, fcport);
1647                         break;
1648                 }
1649                 break;
1650
1651         case DSC_LOGIN_FAILED:
1652                 if (N2N_TOPO(vha->hw))
1653                         qla_chk_n2n_b4_login(vha, fcport);
1654                 else
1655                         qlt_schedule_sess_for_deletion(fcport);
1656                 break;
1657
1658         case DSC_LOGIN_COMPLETE:
1659                 /* recheck login state */
1660                 data[0] = data[1] = 0;
1661                 qla2x00_post_async_adisc_work(vha, fcport, data);
1662                 break;
1663
1664         case DSC_LOGIN_PEND:
1665                 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1666                         qla24xx_post_prli_work(vha, fcport);
1667                 break;
1668
1669         case DSC_UPD_FCPORT:
1670                 sec =  jiffies_to_msecs(jiffies -
1671                     fcport->jiffies_at_registration)/1000;
1672                 if (fcport->sec_since_registration < sec && sec &&
1673                     !(sec % 60)) {
1674                         fcport->sec_since_registration = sec;
1675                         ql_dbg(ql_dbg_disc, fcport->vha, 0xffff,
1676                             "%s %8phC - Slow Rport registration(%d Sec)\n",
1677                             __func__, fcport->port_name, sec);
1678                 }
1679
1680                 if (fcport->next_disc_state != DSC_DELETE_PEND)
1681                         fcport->next_disc_state = DSC_ADISC;
1682                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1683                 break;
1684
1685         default:
1686                 break;
1687         }
1688
1689         return 0;
1690 }
1691
1692 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1693     u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
1694 {
1695         struct qla_work_evt *e;
1696
1697         e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1698         if (!e)
1699                 return QLA_FUNCTION_FAILED;
1700
1701         e->u.new_sess.id = *id;
1702         e->u.new_sess.pla = pla;
1703         e->u.new_sess.fc4_type = fc4_type;
1704         memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1705         if (node_name)
1706                 memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
1707
1708         return qla2x00_post_work(vha, e);
1709 }
1710
1711 void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
1712 {
1713         fc_port_t *fcport;
1714         unsigned long flags;
1715
1716         fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
1717         if (fcport) {
1718                 fcport->scan_needed = 1;
1719                 fcport->rscn_gen++;
1720         }
1721
1722         spin_lock_irqsave(&vha->work_lock, flags);
1723         if (vha->scan.scan_flags == 0) {
1724                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s: schedule\n", __func__);
1725                 vha->scan.scan_flags |= SF_QUEUED;
1726                 schedule_delayed_work(&vha->scan.scan_work, 5);
1727         }
1728         spin_unlock_irqrestore(&vha->work_lock, flags);
1729 }
1730
1731 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1732         struct event_arg *ea)
1733 {
1734         fc_port_t *fcport = ea->fcport;
1735
1736         if (test_bit(UNLOADING, &vha->dpc_flags))
1737                 return;
1738
1739         ql_dbg(ql_dbg_disc, vha, 0x2102,
1740             "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1741             __func__, fcport->port_name, fcport->disc_state,
1742             fcport->fw_login_state, fcport->login_pause,
1743             fcport->deleted, fcport->conflict,
1744             fcport->last_rscn_gen, fcport->rscn_gen,
1745             fcport->last_login_gen, fcport->login_gen,
1746             fcport->flags);
1747
1748         if (fcport->last_rscn_gen != fcport->rscn_gen) {
1749                 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gnl\n",
1750                     __func__, __LINE__, fcport->port_name);
1751                 qla24xx_post_gnl_work(vha, fcport);
1752                 return;
1753         }
1754
1755         qla24xx_fcport_handle_login(vha, fcport);
1756 }
1757
1758 void qla_handle_els_plogi_done(scsi_qla_host_t *vha,
1759                                       struct event_arg *ea)
1760 {
1761         /* for pure Target Mode, PRLI will not be initiated */
1762         if (vha->host->active_mode == MODE_TARGET)
1763                 return;
1764
1765         ql_dbg(ql_dbg_disc, vha, 0x2118,
1766             "%s %d %8phC post PRLI\n",
1767             __func__, __LINE__, ea->fcport->port_name);
1768         qla24xx_post_prli_work(vha, ea->fcport);
1769 }
1770
1771 /*
1772  * RSCN(s) came in for this fcport, but the RSCN(s) was not able
1773  * to be consumed by the fcport
1774  */
1775 void qla_rscn_replay(fc_port_t *fcport)
1776 {
1777         struct event_arg ea;
1778
1779         switch (fcport->disc_state) {
1780         case DSC_DELETE_PEND:
1781                 return;
1782         default:
1783                 break;
1784         }
1785
1786         if (fcport->scan_needed) {
1787                 memset(&ea, 0, sizeof(ea));
1788                 ea.id = fcport->d_id;
1789                 ea.id.b.rsvd_1 = RSCN_PORT_ADDR;
1790                 qla2x00_handle_rscn(fcport->vha, &ea);
1791         }
1792 }
1793
1794 static void
1795 qla2x00_tmf_iocb_timeout(void *data)
1796 {
1797         srb_t *sp = data;
1798         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1799         int rc, h;
1800         unsigned long flags;
1801
1802         rc = qla24xx_async_abort_cmd(sp, false);
1803         if (rc) {
1804                 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
1805                 for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) {
1806                         if (sp->qpair->req->outstanding_cmds[h] == sp) {
1807                                 sp->qpair->req->outstanding_cmds[h] = NULL;
1808                                 break;
1809                         }
1810                 }
1811                 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
1812                 tmf->u.tmf.comp_status = cpu_to_le16(CS_TIMEOUT);
1813                 tmf->u.tmf.data = QLA_FUNCTION_FAILED;
1814                 complete(&tmf->u.tmf.comp);
1815         }
1816 }
1817
1818 static void qla2x00_tmf_sp_done(srb_t *sp, int res)
1819 {
1820         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1821
1822         complete(&tmf->u.tmf.comp);
1823 }
1824
1825 int
1826 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1827         uint32_t tag)
1828 {
1829         struct scsi_qla_host *vha = fcport->vha;
1830         struct srb_iocb *tm_iocb;
1831         srb_t *sp;
1832         int rval = QLA_FUNCTION_FAILED;
1833
1834         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1835         if (!sp)
1836                 goto done;
1837
1838         tm_iocb = &sp->u.iocb_cmd;
1839         sp->type = SRB_TM_CMD;
1840         sp->name = "tmf";
1841
1842         tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
1843         init_completion(&tm_iocb->u.tmf.comp);
1844         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1845
1846         tm_iocb->u.tmf.flags = flags;
1847         tm_iocb->u.tmf.lun = lun;
1848         tm_iocb->u.tmf.data = tag;
1849         sp->done = qla2x00_tmf_sp_done;
1850
1851         ql_dbg(ql_dbg_taskm, vha, 0x802f,
1852             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
1853             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
1854             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1855
1856         rval = qla2x00_start_sp(sp);
1857         if (rval != QLA_SUCCESS)
1858                 goto done_free_sp;
1859         wait_for_completion(&tm_iocb->u.tmf.comp);
1860
1861         rval = tm_iocb->u.tmf.data;
1862
1863         if (rval != QLA_SUCCESS) {
1864                 ql_log(ql_log_warn, vha, 0x8030,
1865                     "TM IOCB failed (%x).\n", rval);
1866         }
1867
1868         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
1869                 flags = tm_iocb->u.tmf.flags;
1870                 lun = (uint16_t)tm_iocb->u.tmf.lun;
1871
1872                 /* Issue Marker IOCB */
1873                 qla2x00_marker(vha, vha->hw->base_qpair,
1874                     fcport->loop_id, lun,
1875                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
1876         }
1877
1878 done_free_sp:
1879         sp->free(sp);
1880         fcport->flags &= ~FCF_ASYNC_SENT;
1881 done:
1882         return rval;
1883 }
1884
1885 int
1886 qla24xx_async_abort_command(srb_t *sp)
1887 {
1888         unsigned long   flags = 0;
1889
1890         uint32_t        handle;
1891         fc_port_t       *fcport = sp->fcport;
1892         struct qla_qpair *qpair = sp->qpair;
1893         struct scsi_qla_host *vha = fcport->vha;
1894         struct req_que *req = qpair->req;
1895
1896         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1897         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
1898                 if (req->outstanding_cmds[handle] == sp)
1899                         break;
1900         }
1901         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1902
1903         if (handle == req->num_outstanding_cmds) {
1904                 /* Command not found. */
1905                 return QLA_FUNCTION_FAILED;
1906         }
1907         if (sp->type == SRB_FXIOCB_DCMD)
1908                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1909                     FXDISC_ABORT_IOCTL);
1910
1911         return qla24xx_async_abort_cmd(sp, true);
1912 }
1913
1914 static void
1915 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1916 {
1917         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
1918                   ea->data[0]);
1919
1920         switch (ea->data[0]) {
1921         case MBS_COMMAND_COMPLETE:
1922                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1923                     "%s %d %8phC post gpdb\n",
1924                     __func__, __LINE__, ea->fcport->port_name);
1925
1926                 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1927                 ea->fcport->logout_on_delete = 1;
1928                 ea->fcport->nvme_prli_service_param = ea->iop[0];
1929                 if (ea->iop[0] & NVME_PRLI_SP_FIRST_BURST)
1930                         ea->fcport->nvme_first_burst_size =
1931                             (ea->iop[1] & 0xffff) * 512;
1932                 else
1933                         ea->fcport->nvme_first_burst_size = 0;
1934                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1935                 break;
1936         default:
1937                 if ((ea->iop[0] == LSC_SCODE_ELS_REJECT) &&
1938                     (ea->iop[1] == 0x50000)) {   /* reson 5=busy expl:0x0 */
1939                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1940                         ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
1941                         break;
1942                 }
1943
1944                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1945                        "%s %d %8phC priority %s, fc4type %x\n",
1946                        __func__, __LINE__, ea->fcport->port_name,
1947                        vha->hw->fc4_type_priority == FC4_PRIORITY_FCP ?
1948                        "FCP" : "NVMe", ea->fcport->fc4_type);
1949
1950                 if (N2N_TOPO(vha->hw)) {
1951                         if (vha->hw->fc4_type_priority == FC4_PRIORITY_NVME) {
1952                                 ea->fcport->fc4_type &= ~FS_FC4TYPE_NVME;
1953                                 ea->fcport->fc4_type |= FS_FC4TYPE_FCP;
1954                         } else {
1955                                 ea->fcport->fc4_type &= ~FS_FC4TYPE_FCP;
1956                                 ea->fcport->fc4_type |= FS_FC4TYPE_NVME;
1957                         }
1958
1959                         if (ea->fcport->n2n_link_reset_cnt < 3) {
1960                                 ea->fcport->n2n_link_reset_cnt++;
1961                                 vha->relogin_jif = jiffies + 2 * HZ;
1962                                 /*
1963                                  * PRLI failed. Reset link to kick start
1964                                  * state machine
1965                                  */
1966                                 set_bit(N2N_LINK_RESET, &vha->dpc_flags);
1967                         } else {
1968                                 ql_log(ql_log_warn, vha, 0x2119,
1969                                        "%s %d %8phC Unable to reconnect\n",
1970                                        __func__, __LINE__,
1971                                        ea->fcport->port_name);
1972                         }
1973                 } else {
1974                         /*
1975                          * switch connect. login failed. Take connection down
1976                          * and allow relogin to retrigger
1977                          */
1978                         if (NVME_FCP_TARGET(ea->fcport)) {
1979                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1980                                        "%s %d %8phC post %s prli\n",
1981                                        __func__, __LINE__,
1982                                        ea->fcport->port_name,
1983                                        (ea->fcport->fc4_type & FS_FC4TYPE_NVME)
1984                                        ? "NVMe" : "FCP");
1985                                 if (vha->hw->fc4_type_priority == FC4_PRIORITY_NVME)
1986                                         ea->fcport->fc4_type &= ~FS_FC4TYPE_NVME;
1987                                 else
1988                                         ea->fcport->fc4_type &= ~FS_FC4TYPE_FCP;
1989                         }
1990
1991                         ea->fcport->flags &= ~FCF_ASYNC_SENT;
1992                         ea->fcport->keep_nport_handle = 0;
1993                         ea->fcport->logout_on_delete = 1;
1994                         qlt_schedule_sess_for_deletion(ea->fcport);
1995                 }
1996                 break;
1997         }
1998 }
1999
2000 void
2001 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
2002 {
2003         port_id_t cid;  /* conflict Nport id */
2004         u16 lid;
2005         struct fc_port *conflict_fcport;
2006         unsigned long flags;
2007         struct fc_port *fcport = ea->fcport;
2008
2009         ql_dbg(ql_dbg_disc, vha, 0xffff,
2010             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
2011             __func__, fcport->port_name, fcport->disc_state,
2012             fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
2013             ea->sp->gen1, fcport->rscn_gen,
2014             ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
2015
2016         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
2017             (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
2018                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
2019                     "%s %d %8phC Remote is trying to login\n",
2020                     __func__, __LINE__, fcport->port_name);
2021                 return;
2022         }
2023
2024         if ((fcport->disc_state == DSC_DELETE_PEND) ||
2025             (fcport->disc_state == DSC_DELETED)) {
2026                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2027                 return;
2028         }
2029
2030         if (ea->sp->gen2 != fcport->login_gen) {
2031                 /* target side must have changed it. */
2032                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
2033                     "%s %8phC generation changed\n",
2034                     __func__, fcport->port_name);
2035                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2036                 return;
2037         } else if (ea->sp->gen1 != fcport->rscn_gen) {
2038                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
2039                     "%s %8phC RSCN generation changed\n",
2040                     __func__, fcport->port_name);
2041                 qla_rscn_replay(fcport);
2042                 qlt_schedule_sess_for_deletion(fcport);
2043                 return;
2044         }
2045
2046         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
2047                   ea->data[0]);
2048
2049         switch (ea->data[0]) {
2050         case MBS_COMMAND_COMPLETE:
2051                 /*
2052                  * Driver must validate login state - If PRLI not complete,
2053                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
2054                  * requests.
2055                  */
2056                 if (NVME_TARGET(vha->hw, ea->fcport)) {
2057                         ql_dbg(ql_dbg_disc, vha, 0x2117,
2058                                 "%s %d %8phC post prli\n",
2059                                 __func__, __LINE__, ea->fcport->port_name);
2060                         qla24xx_post_prli_work(vha, ea->fcport);
2061                 } else {
2062                         ql_dbg(ql_dbg_disc, vha, 0x20ea,
2063                             "%s %d %8phC LoopID 0x%x in use with %06x. post gpdb\n",
2064                             __func__, __LINE__, ea->fcport->port_name,
2065                             ea->fcport->loop_id, ea->fcport->d_id.b24);
2066
2067                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2068                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2069                         ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2070                         ea->fcport->logout_on_delete = 1;
2071                         ea->fcport->send_els_logo = 0;
2072                         ea->fcport->fw_login_state = DSC_LS_PRLI_COMP;
2073                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2074
2075                         qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2076                 }
2077                 break;
2078         case MBS_COMMAND_ERROR:
2079                 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
2080                     __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
2081
2082                 ea->fcport->flags &= ~FCF_ASYNC_SENT;
2083                 qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_FAILED);
2084                 if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED)
2085                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2086                 else
2087                         qla2x00_mark_device_lost(vha, ea->fcport, 1);
2088                 break;
2089         case MBS_LOOP_ID_USED:
2090                 /* data[1] = IO PARAM 1 = nport ID  */
2091                 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
2092                 cid.b.area   = (ea->iop[1] >>  8) & 0xff;
2093                 cid.b.al_pa  = ea->iop[1] & 0xff;
2094                 cid.b.rsvd_1 = 0;
2095
2096                 ql_dbg(ql_dbg_disc, vha, 0x20ec,
2097                     "%s %d %8phC lid %#x in use with pid %06x post gnl\n",
2098                     __func__, __LINE__, ea->fcport->port_name,
2099                     ea->fcport->loop_id, cid.b24);
2100
2101                 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2102                 ea->fcport->loop_id = FC_NO_LOOP_ID;
2103                 qla24xx_post_gnl_work(vha, ea->fcport);
2104                 break;
2105         case MBS_PORT_ID_USED:
2106                 lid = ea->iop[1] & 0xffff;
2107                 qlt_find_sess_invalidate_other(vha,
2108                     wwn_to_u64(ea->fcport->port_name),
2109                     ea->fcport->d_id, lid, &conflict_fcport);
2110
2111                 if (conflict_fcport) {
2112                         /*
2113                          * Another fcport share the same loop_id/nport id.
2114                          * Conflict fcport needs to finish cleanup before this
2115                          * fcport can proceed to login.
2116                          */
2117                         conflict_fcport->conflict = ea->fcport;
2118                         ea->fcport->login_pause = 1;
2119
2120                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2121                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
2122                             __func__, __LINE__, ea->fcport->port_name,
2123                             ea->fcport->d_id.b24, lid);
2124                 } else {
2125                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2126                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
2127                             __func__, __LINE__, ea->fcport->port_name,
2128                             ea->fcport->d_id.b24, lid);
2129
2130                         qla2x00_clear_loop_id(ea->fcport);
2131                         set_bit(lid, vha->hw->loop_id_map);
2132                         ea->fcport->loop_id = lid;
2133                         ea->fcport->keep_nport_handle = 0;
2134                         ea->fcport->logout_on_delete = 1;
2135                         qlt_schedule_sess_for_deletion(ea->fcport);
2136                 }
2137                 break;
2138         }
2139         return;
2140 }
2141
2142 /****************************************************************************/
2143 /*                QLogic ISP2x00 Hardware Support Functions.                */
2144 /****************************************************************************/
2145
2146 static int
2147 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
2148 {
2149         int rval = QLA_SUCCESS;
2150         struct qla_hw_data *ha = vha->hw;
2151         uint32_t idc_major_ver, idc_minor_ver;
2152         uint16_t config[4];
2153
2154         qla83xx_idc_lock(vha, 0);
2155
2156         /* SV: TODO: Assign initialization timeout from
2157          * flash-info / other param
2158          */
2159         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
2160         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
2161
2162         /* Set our fcoe function presence */
2163         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
2164                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
2165                     "Error while setting DRV-Presence.\n");
2166                 rval = QLA_FUNCTION_FAILED;
2167                 goto exit;
2168         }
2169
2170         /* Decide the reset ownership */
2171         qla83xx_reset_ownership(vha);
2172
2173         /*
2174          * On first protocol driver load:
2175          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
2176          * register.
2177          * Others: Check compatibility with current IDC Major version.
2178          */
2179         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
2180         if (ha->flags.nic_core_reset_owner) {
2181                 /* Set IDC Major version */
2182                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
2183                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
2184
2185                 /* Clearing IDC-Lock-Recovery register */
2186                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
2187         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
2188                 /*
2189                  * Clear further IDC participation if we are not compatible with
2190                  * the current IDC Major Version.
2191                  */
2192                 ql_log(ql_log_warn, vha, 0xb07d,
2193                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
2194                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
2195                 __qla83xx_clear_drv_presence(vha);
2196                 rval = QLA_FUNCTION_FAILED;
2197                 goto exit;
2198         }
2199         /* Each function sets its supported Minor version. */
2200         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
2201         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
2202         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
2203
2204         if (ha->flags.nic_core_reset_owner) {
2205                 memset(config, 0, sizeof(config));
2206                 if (!qla81xx_get_port_config(vha, config))
2207                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
2208                             QLA8XXX_DEV_READY);
2209         }
2210
2211         rval = qla83xx_idc_state_handler(vha);
2212
2213 exit:
2214         qla83xx_idc_unlock(vha, 0);
2215
2216         return rval;
2217 }
2218
2219 /*
2220 * qla2x00_initialize_adapter
2221 *      Initialize board.
2222 *
2223 * Input:
2224 *      ha = adapter block pointer.
2225 *
2226 * Returns:
2227 *      0 = success
2228 */
2229 int
2230 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
2231 {
2232         int     rval;
2233         struct qla_hw_data *ha = vha->hw;
2234         struct req_que *req = ha->req_q_map[0];
2235         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2236
2237         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2238         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2239
2240         /* Clear adapter flags. */
2241         vha->flags.online = 0;
2242         ha->flags.chip_reset_done = 0;
2243         vha->flags.reset_active = 0;
2244         ha->flags.pci_channel_io_perm_failure = 0;
2245         ha->flags.eeh_busy = 0;
2246         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2247         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2248         atomic_set(&vha->loop_state, LOOP_DOWN);
2249         vha->device_flags = DFLG_NO_CABLE;
2250         vha->dpc_flags = 0;
2251         vha->flags.management_server_logged_in = 0;
2252         vha->marker_needed = 0;
2253         ha->isp_abort_cnt = 0;
2254         ha->beacon_blink_led = 0;
2255
2256         set_bit(0, ha->req_qid_map);
2257         set_bit(0, ha->rsp_qid_map);
2258
2259         ql_dbg(ql_dbg_init, vha, 0x0040,
2260             "Configuring PCI space...\n");
2261         rval = ha->isp_ops->pci_config(vha);
2262         if (rval) {
2263                 ql_log(ql_log_warn, vha, 0x0044,
2264                     "Unable to configure PCI space.\n");
2265                 return (rval);
2266         }
2267
2268         ha->isp_ops->reset_chip(vha);
2269
2270         /* Check for secure flash support */
2271         if (IS_QLA28XX(ha)) {
2272                 if (rd_reg_word(&reg->mailbox12) & BIT_0)
2273                         ha->flags.secure_adapter = 1;
2274                 ql_log(ql_log_info, vha, 0xffff, "Secure Adapter: %s\n",
2275                     (ha->flags.secure_adapter) ? "Yes" : "No");
2276         }
2277
2278
2279         rval = qla2xxx_get_flash_info(vha);
2280         if (rval) {
2281                 ql_log(ql_log_fatal, vha, 0x004f,
2282                     "Unable to validate FLASH data.\n");
2283                 return rval;
2284         }
2285
2286         if (IS_QLA8044(ha)) {
2287                 qla8044_read_reset_template(vha);
2288
2289                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
2290                  * If DONRESET_BIT0 is set, drivers should not set dev_state
2291                  * to NEED_RESET. But if NEED_RESET is set, drivers should
2292                  * should honor the reset. */
2293                 if (ql2xdontresethba == 1)
2294                         qla8044_set_idc_dontreset(vha);
2295         }
2296
2297         ha->isp_ops->get_flash_version(vha, req->ring);
2298         ql_dbg(ql_dbg_init, vha, 0x0061,
2299             "Configure NVRAM parameters...\n");
2300
2301         /* Let priority default to FCP, can be overridden by nvram_config */
2302         ha->fc4_type_priority = FC4_PRIORITY_FCP;
2303
2304         ha->isp_ops->nvram_config(vha);
2305
2306         if (ha->fc4_type_priority != FC4_PRIORITY_FCP &&
2307             ha->fc4_type_priority != FC4_PRIORITY_NVME)
2308                 ha->fc4_type_priority = FC4_PRIORITY_FCP;
2309
2310         ql_log(ql_log_info, vha, 0xffff, "FC4 priority set to %s\n",
2311                ha->fc4_type_priority == FC4_PRIORITY_FCP ? "FCP" : "NVMe");
2312
2313         if (ha->flags.disable_serdes) {
2314                 /* Mask HBA via NVRAM settings? */
2315                 ql_log(ql_log_info, vha, 0x0077,
2316                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
2317                 return QLA_FUNCTION_FAILED;
2318         }
2319
2320         ql_dbg(ql_dbg_init, vha, 0x0078,
2321             "Verifying loaded RISC code...\n");
2322
2323         /* If smartsan enabled then require fdmi and rdp enabled */
2324         if (ql2xsmartsan) {
2325                 ql2xfdmienable = 1;
2326                 ql2xrdpenable = 1;
2327         }
2328
2329         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
2330                 rval = ha->isp_ops->chip_diag(vha);
2331                 if (rval)
2332                         return (rval);
2333                 rval = qla2x00_setup_chip(vha);
2334                 if (rval)
2335                         return (rval);
2336         }
2337
2338         if (IS_QLA84XX(ha)) {
2339                 ha->cs84xx = qla84xx_get_chip(vha);
2340                 if (!ha->cs84xx) {
2341                         ql_log(ql_log_warn, vha, 0x00d0,
2342                             "Unable to configure ISP84XX.\n");
2343                         return QLA_FUNCTION_FAILED;
2344                 }
2345         }
2346
2347         if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2348                 rval = qla2x00_init_rings(vha);
2349
2350         /* No point in continuing if firmware initialization failed. */
2351         if (rval != QLA_SUCCESS)
2352                 return rval;
2353
2354         ha->flags.chip_reset_done = 1;
2355
2356         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2357                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
2358                 rval = qla84xx_init_chip(vha);
2359                 if (rval != QLA_SUCCESS) {
2360                         ql_log(ql_log_warn, vha, 0x00d4,
2361                             "Unable to initialize ISP84XX.\n");
2362                         qla84xx_put_chip(vha);
2363                 }
2364         }
2365
2366         /* Load the NIC Core f/w if we are the first protocol driver. */
2367         if (IS_QLA8031(ha)) {
2368                 rval = qla83xx_nic_core_fw_load(vha);
2369                 if (rval)
2370                         ql_log(ql_log_warn, vha, 0x0124,
2371                             "Error in initializing NIC Core f/w.\n");
2372         }
2373
2374         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
2375                 qla24xx_read_fcp_prio_cfg(vha);
2376
2377         if (IS_P3P_TYPE(ha))
2378                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
2379         else
2380                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
2381
2382         return (rval);
2383 }
2384
2385 /**
2386  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2387  * @vha: HA context
2388  *
2389  * Returns 0 on success.
2390  */
2391 int
2392 qla2100_pci_config(scsi_qla_host_t *vha)
2393 {
2394         uint16_t w;
2395         unsigned long flags;
2396         struct qla_hw_data *ha = vha->hw;
2397         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2398
2399         pci_set_master(ha->pdev);
2400         pci_try_set_mwi(ha->pdev);
2401
2402         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2403         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2404         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2405
2406         pci_disable_rom(ha->pdev);
2407
2408         /* Get PCI bus information. */
2409         spin_lock_irqsave(&ha->hardware_lock, flags);
2410         ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2411         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2412
2413         return QLA_SUCCESS;
2414 }
2415
2416 /**
2417  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2418  * @vha: HA context
2419  *
2420  * Returns 0 on success.
2421  */
2422 int
2423 qla2300_pci_config(scsi_qla_host_t *vha)
2424 {
2425         uint16_t        w;
2426         unsigned long   flags = 0;
2427         uint32_t        cnt;
2428         struct qla_hw_data *ha = vha->hw;
2429         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2430
2431         pci_set_master(ha->pdev);
2432         pci_try_set_mwi(ha->pdev);
2433
2434         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2435         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2436
2437         if (IS_QLA2322(ha) || IS_QLA6322(ha))
2438                 w &= ~PCI_COMMAND_INTX_DISABLE;
2439         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2440
2441         /*
2442          * If this is a 2300 card and not 2312, reset the
2443          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
2444          * the 2310 also reports itself as a 2300 so we need to get the
2445          * fb revision level -- a 6 indicates it really is a 2300 and
2446          * not a 2310.
2447          */
2448         if (IS_QLA2300(ha)) {
2449                 spin_lock_irqsave(&ha->hardware_lock, flags);
2450
2451                 /* Pause RISC. */
2452                 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2453                 for (cnt = 0; cnt < 30000; cnt++) {
2454                         if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2455                                 break;
2456
2457                         udelay(10);
2458                 }
2459
2460                 /* Select FPM registers. */
2461                 wrt_reg_word(&reg->ctrl_status, 0x20);
2462                 rd_reg_word(&reg->ctrl_status);
2463
2464                 /* Get the fb rev level */
2465                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2466
2467                 if (ha->fb_rev == FPM_2300)
2468                         pci_clear_mwi(ha->pdev);
2469
2470                 /* Deselect FPM registers. */
2471                 wrt_reg_word(&reg->ctrl_status, 0x0);
2472                 rd_reg_word(&reg->ctrl_status);
2473
2474                 /* Release RISC module. */
2475                 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2476                 for (cnt = 0; cnt < 30000; cnt++) {
2477                         if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2478                                 break;
2479
2480                         udelay(10);
2481                 }
2482
2483                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2484         }
2485
2486         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2487
2488         pci_disable_rom(ha->pdev);
2489
2490         /* Get PCI bus information. */
2491         spin_lock_irqsave(&ha->hardware_lock, flags);
2492         ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2493         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2494
2495         return QLA_SUCCESS;
2496 }
2497
2498 /**
2499  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2500  * @vha: HA context
2501  *
2502  * Returns 0 on success.
2503  */
2504 int
2505 qla24xx_pci_config(scsi_qla_host_t *vha)
2506 {
2507         uint16_t w;
2508         unsigned long flags = 0;
2509         struct qla_hw_data *ha = vha->hw;
2510         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2511
2512         pci_set_master(ha->pdev);
2513         pci_try_set_mwi(ha->pdev);
2514
2515         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2516         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2517         w &= ~PCI_COMMAND_INTX_DISABLE;
2518         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2519
2520         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2521
2522         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
2523         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
2524                 pcix_set_mmrbc(ha->pdev, 2048);
2525
2526         /* PCIe -- adjust Maximum Read Request Size (2048). */
2527         if (pci_is_pcie(ha->pdev))
2528                 pcie_set_readrq(ha->pdev, 4096);
2529
2530         pci_disable_rom(ha->pdev);
2531
2532         ha->chip_revision = ha->pdev->revision;
2533
2534         /* Get PCI bus information. */
2535         spin_lock_irqsave(&ha->hardware_lock, flags);
2536         ha->pci_attr = rd_reg_dword(&reg->ctrl_status);
2537         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2538
2539         return QLA_SUCCESS;
2540 }
2541
2542 /**
2543  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
2544  * @vha: HA context
2545  *
2546  * Returns 0 on success.
2547  */
2548 int
2549 qla25xx_pci_config(scsi_qla_host_t *vha)
2550 {
2551         uint16_t w;
2552         struct qla_hw_data *ha = vha->hw;
2553
2554         pci_set_master(ha->pdev);
2555         pci_try_set_mwi(ha->pdev);
2556
2557         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2558         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2559         w &= ~PCI_COMMAND_INTX_DISABLE;
2560         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2561
2562         /* PCIe -- adjust Maximum Read Request Size (2048). */
2563         if (pci_is_pcie(ha->pdev))
2564                 pcie_set_readrq(ha->pdev, 4096);
2565
2566         pci_disable_rom(ha->pdev);
2567
2568         ha->chip_revision = ha->pdev->revision;
2569
2570         return QLA_SUCCESS;
2571 }
2572
2573 /**
2574  * qla2x00_isp_firmware() - Choose firmware image.
2575  * @vha: HA context
2576  *
2577  * Returns 0 on success.
2578  */
2579 static int
2580 qla2x00_isp_firmware(scsi_qla_host_t *vha)
2581 {
2582         int  rval;
2583         uint16_t loop_id, topo, sw_cap;
2584         uint8_t domain, area, al_pa;
2585         struct qla_hw_data *ha = vha->hw;
2586
2587         /* Assume loading risc code */
2588         rval = QLA_FUNCTION_FAILED;
2589
2590         if (ha->flags.disable_risc_code_load) {
2591                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
2592
2593                 /* Verify checksum of loaded RISC code. */
2594                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
2595                 if (rval == QLA_SUCCESS) {
2596                         /* And, verify we are not in ROM code. */
2597                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2598                             &area, &domain, &topo, &sw_cap);
2599                 }
2600         }
2601
2602         if (rval)
2603                 ql_dbg(ql_dbg_init, vha, 0x007a,
2604                     "**** Load RISC code ****.\n");
2605
2606         return (rval);
2607 }
2608
2609 /**
2610  * qla2x00_reset_chip() - Reset ISP chip.
2611  * @vha: HA context
2612  *
2613  * Returns 0 on success.
2614  */
2615 int
2616 qla2x00_reset_chip(scsi_qla_host_t *vha)
2617 {
2618         unsigned long   flags = 0;
2619         struct qla_hw_data *ha = vha->hw;
2620         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2621         uint32_t        cnt;
2622         uint16_t        cmd;
2623         int rval = QLA_FUNCTION_FAILED;
2624
2625         if (unlikely(pci_channel_offline(ha->pdev)))
2626                 return rval;
2627
2628         ha->isp_ops->disable_intrs(ha);
2629
2630         spin_lock_irqsave(&ha->hardware_lock, flags);
2631
2632         /* Turn off master enable */
2633         cmd = 0;
2634         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
2635         cmd &= ~PCI_COMMAND_MASTER;
2636         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2637
2638         if (!IS_QLA2100(ha)) {
2639                 /* Pause RISC. */
2640                 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2641                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
2642                         for (cnt = 0; cnt < 30000; cnt++) {
2643                                 if ((rd_reg_word(&reg->hccr) &
2644                                     HCCR_RISC_PAUSE) != 0)
2645                                         break;
2646                                 udelay(100);
2647                         }
2648                 } else {
2649                         rd_reg_word(&reg->hccr);        /* PCI Posting. */
2650                         udelay(10);
2651                 }
2652
2653                 /* Select FPM registers. */
2654                 wrt_reg_word(&reg->ctrl_status, 0x20);
2655                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2656
2657                 /* FPM Soft Reset. */
2658                 wrt_reg_word(&reg->fpm_diag_config, 0x100);
2659                 rd_reg_word(&reg->fpm_diag_config);     /* PCI Posting. */
2660
2661                 /* Toggle Fpm Reset. */
2662                 if (!IS_QLA2200(ha)) {
2663                         wrt_reg_word(&reg->fpm_diag_config, 0x0);
2664                         rd_reg_word(&reg->fpm_diag_config); /* PCI Posting. */
2665                 }
2666
2667                 /* Select frame buffer registers. */
2668                 wrt_reg_word(&reg->ctrl_status, 0x10);
2669                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2670
2671                 /* Reset frame buffer FIFOs. */
2672                 if (IS_QLA2200(ha)) {
2673                         WRT_FB_CMD_REG(ha, reg, 0xa000);
2674                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
2675                 } else {
2676                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
2677
2678                         /* Read back fb_cmd until zero or 3 seconds max */
2679                         for (cnt = 0; cnt < 3000; cnt++) {
2680                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
2681                                         break;
2682                                 udelay(100);
2683                         }
2684                 }
2685
2686                 /* Select RISC module registers. */
2687                 wrt_reg_word(&reg->ctrl_status, 0);
2688                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2689
2690                 /* Reset RISC processor. */
2691                 wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
2692                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2693
2694                 /* Release RISC processor. */
2695                 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2696                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2697         }
2698
2699         wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
2700         wrt_reg_word(&reg->hccr, HCCR_CLR_HOST_INT);
2701
2702         /* Reset ISP chip. */
2703         wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2704
2705         /* Wait for RISC to recover from reset. */
2706         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2707                 /*
2708                  * It is necessary to for a delay here since the card doesn't
2709                  * respond to PCI reads during a reset. On some architectures
2710                  * this will result in an MCA.
2711                  */
2712                 udelay(20);
2713                 for (cnt = 30000; cnt; cnt--) {
2714                         if ((rd_reg_word(&reg->ctrl_status) &
2715                             CSR_ISP_SOFT_RESET) == 0)
2716                                 break;
2717                         udelay(100);
2718                 }
2719         } else
2720                 udelay(10);
2721
2722         /* Reset RISC processor. */
2723         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
2724
2725         wrt_reg_word(&reg->semaphore, 0);
2726
2727         /* Release RISC processor. */
2728         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2729         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
2730
2731         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2732                 for (cnt = 0; cnt < 30000; cnt++) {
2733                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
2734                                 break;
2735
2736                         udelay(100);
2737                 }
2738         } else
2739                 udelay(100);
2740
2741         /* Turn on master enable */
2742         cmd |= PCI_COMMAND_MASTER;
2743         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2744
2745         /* Disable RISC pause on FPM parity error. */
2746         if (!IS_QLA2100(ha)) {
2747                 wrt_reg_word(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
2748                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2749         }
2750
2751         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2752
2753         return QLA_SUCCESS;
2754 }
2755
2756 /**
2757  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2758  * @vha: HA context
2759  *
2760  * Returns 0 on success.
2761  */
2762 static int
2763 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2764 {
2765         uint16_t mb[4] = {0x1010, 0, 1, 0};
2766
2767         if (!IS_QLA81XX(vha->hw))
2768                 return QLA_SUCCESS;
2769
2770         return qla81xx_write_mpi_register(vha, mb);
2771 }
2772
2773 static int
2774 qla_chk_risc_recovery(scsi_qla_host_t *vha)
2775 {
2776         struct qla_hw_data *ha = vha->hw;
2777         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2778         __le16 __iomem *mbptr = &reg->mailbox0;
2779         int i;
2780         u16 mb[32];
2781         int rc = QLA_SUCCESS;
2782
2783         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
2784                 return rc;
2785
2786         /* this check is only valid after RISC reset */
2787         mb[0] = rd_reg_word(mbptr);
2788         mbptr++;
2789         if (mb[0] == 0xf) {
2790                 rc = QLA_FUNCTION_FAILED;
2791
2792                 for (i = 1; i < 32; i++) {
2793                         mb[i] = rd_reg_word(mbptr);
2794                         mbptr++;
2795                 }
2796
2797                 ql_log(ql_log_warn, vha, 0x1015,
2798                        "RISC reset failed. mb[0-7] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
2799                        mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6], mb[7]);
2800                 ql_log(ql_log_warn, vha, 0x1015,
2801                        "RISC reset failed. mb[8-15] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
2802                        mb[8], mb[9], mb[10], mb[11], mb[12], mb[13], mb[14],
2803                        mb[15]);
2804                 ql_log(ql_log_warn, vha, 0x1015,
2805                        "RISC reset failed. mb[16-23] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
2806                        mb[16], mb[17], mb[18], mb[19], mb[20], mb[21], mb[22],
2807                        mb[23]);
2808                 ql_log(ql_log_warn, vha, 0x1015,
2809                        "RISC reset failed. mb[24-31] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
2810                        mb[24], mb[25], mb[26], mb[27], mb[28], mb[29], mb[30],
2811                        mb[31]);
2812         }
2813         return rc;
2814 }
2815
2816 /**
2817  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2818  * @vha: HA context
2819  *
2820  * Returns 0 on success.
2821  */
2822 static inline int
2823 qla24xx_reset_risc(scsi_qla_host_t *vha)
2824 {
2825         unsigned long flags = 0;
2826         struct qla_hw_data *ha = vha->hw;
2827         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2828         uint32_t cnt;
2829         uint16_t wd;
2830         static int abts_cnt; /* ISP abort retry counts */
2831         int rval = QLA_SUCCESS;
2832         int print = 1;
2833
2834         spin_lock_irqsave(&ha->hardware_lock, flags);
2835
2836         /* Reset RISC. */
2837         wrt_reg_dword(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2838         for (cnt = 0; cnt < 30000; cnt++) {
2839                 if ((rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
2840                         break;
2841
2842                 udelay(10);
2843         }
2844
2845         if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
2846                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
2847
2848         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
2849             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
2850             rd_reg_dword(&reg->hccr),
2851             rd_reg_dword(&reg->ctrl_status),
2852             (rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
2853
2854         wrt_reg_dword(&reg->ctrl_status,
2855             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2856         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2857
2858         udelay(100);
2859
2860         /* Wait for firmware to complete NVRAM accesses. */
2861         rd_reg_word(&reg->mailbox0);
2862         for (cnt = 10000; rd_reg_word(&reg->mailbox0) != 0 &&
2863             rval == QLA_SUCCESS; cnt--) {
2864                 barrier();
2865                 if (cnt)
2866                         udelay(5);
2867                 else
2868                         rval = QLA_FUNCTION_TIMEOUT;
2869         }
2870
2871         if (rval == QLA_SUCCESS)
2872                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
2873
2874         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
2875             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
2876             rd_reg_dword(&reg->hccr),
2877             rd_reg_word(&reg->mailbox0));
2878
2879         /* Wait for soft-reset to complete. */
2880         rd_reg_dword(&reg->ctrl_status);
2881         for (cnt = 0; cnt < 60; cnt++) {
2882                 barrier();
2883                 if ((rd_reg_dword(&reg->ctrl_status) &
2884                     CSRX_ISP_SOFT_RESET) == 0)
2885                         break;
2886
2887                 udelay(5);
2888         }
2889         if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
2890                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
2891
2892         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
2893             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
2894             rd_reg_dword(&reg->hccr),
2895             rd_reg_dword(&reg->ctrl_status));
2896
2897         /* If required, do an MPI FW reset now */
2898         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
2899                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
2900                         if (++abts_cnt < 5) {
2901                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2902                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
2903                         } else {
2904                                 /*
2905                                  * We exhausted the ISP abort retries. We have to
2906                                  * set the board offline.
2907                                  */
2908                                 abts_cnt = 0;
2909                                 vha->flags.online = 0;
2910                         }
2911                 }
2912         }
2913
2914         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
2915         rd_reg_dword(&reg->hccr);
2916
2917         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2918         rd_reg_dword(&reg->hccr);
2919
2920         wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_RESET);
2921         mdelay(10);
2922         rd_reg_dword(&reg->hccr);
2923
2924         wd = rd_reg_word(&reg->mailbox0);
2925         for (cnt = 300; wd != 0 && rval == QLA_SUCCESS; cnt--) {
2926                 barrier();
2927                 if (cnt) {
2928                         mdelay(1);
2929                         if (print && qla_chk_risc_recovery(vha))
2930                                 print = 0;
2931
2932                         wd = rd_reg_word(&reg->mailbox0);
2933                 } else {
2934                         rval = QLA_FUNCTION_TIMEOUT;
2935
2936                         ql_log(ql_log_warn, vha, 0x015e,
2937                                "RISC reset timeout\n");
2938                 }
2939         }
2940
2941         if (rval == QLA_SUCCESS)
2942                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2943
2944         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
2945             "Host Risc 0x%x, mailbox0 0x%x\n",
2946             rd_reg_dword(&reg->hccr),
2947              rd_reg_word(&reg->mailbox0));
2948
2949         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2950
2951         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
2952             "Driver in %s mode\n",
2953             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
2954
2955         if (IS_NOPOLLING_TYPE(ha))
2956                 ha->isp_ops->enable_intrs(ha);
2957
2958         return rval;
2959 }
2960
2961 static void
2962 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
2963 {
2964         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2965
2966         wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2967         *data = rd_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET);
2968 }
2969
2970 static void
2971 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
2972 {
2973         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2974
2975         wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2976         wrt_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET, data);
2977 }
2978
2979 static void
2980 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
2981 {
2982         uint32_t wd32 = 0;
2983         uint delta_msec = 100;
2984         uint elapsed_msec = 0;
2985         uint timeout_msec;
2986         ulong n;
2987
2988         if (vha->hw->pdev->subsystem_device != 0x0175 &&
2989             vha->hw->pdev->subsystem_device != 0x0240)
2990                 return;
2991
2992         wrt_reg_dword(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
2993         udelay(100);
2994
2995 attempt:
2996         timeout_msec = TIMEOUT_SEMAPHORE;
2997         n = timeout_msec / delta_msec;
2998         while (n--) {
2999                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
3000                 qla25xx_read_risc_sema_reg(vha, &wd32);
3001                 if (wd32 & RISC_SEMAPHORE)
3002                         break;
3003                 msleep(delta_msec);
3004                 elapsed_msec += delta_msec;
3005                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
3006                         goto force;
3007         }
3008
3009         if (!(wd32 & RISC_SEMAPHORE))
3010                 goto force;
3011
3012         if (!(wd32 & RISC_SEMAPHORE_FORCE))
3013                 goto acquired;
3014
3015         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
3016         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
3017         n = timeout_msec / delta_msec;
3018         while (n--) {
3019                 qla25xx_read_risc_sema_reg(vha, &wd32);
3020                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
3021                         break;
3022                 msleep(delta_msec);
3023                 elapsed_msec += delta_msec;
3024                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
3025                         goto force;
3026         }
3027
3028         if (wd32 & RISC_SEMAPHORE_FORCE)
3029                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
3030
3031         goto attempt;
3032
3033 force:
3034         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
3035
3036 acquired:
3037         return;
3038 }
3039
3040 /**
3041  * qla24xx_reset_chip() - Reset ISP24xx chip.
3042  * @vha: HA context
3043  *
3044  * Returns 0 on success.
3045  */
3046 int
3047 qla24xx_reset_chip(scsi_qla_host_t *vha)
3048 {
3049         struct qla_hw_data *ha = vha->hw;
3050         int rval = QLA_FUNCTION_FAILED;
3051
3052         if (pci_channel_offline(ha->pdev) &&
3053             ha->flags.pci_channel_io_perm_failure) {
3054                 return rval;
3055         }
3056
3057         ha->isp_ops->disable_intrs(ha);
3058
3059         qla25xx_manipulate_risc_semaphore(vha);
3060
3061         /* Perform RISC reset. */
3062         rval = qla24xx_reset_risc(vha);
3063
3064         return rval;
3065 }
3066
3067 /**
3068  * qla2x00_chip_diag() - Test chip for proper operation.
3069  * @vha: HA context
3070  *
3071  * Returns 0 on success.
3072  */
3073 int
3074 qla2x00_chip_diag(scsi_qla_host_t *vha)
3075 {
3076         int             rval;
3077         struct qla_hw_data *ha = vha->hw;
3078         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3079         unsigned long   flags = 0;
3080         uint16_t        data;
3081         uint32_t        cnt;
3082         uint16_t        mb[5];
3083         struct req_que *req = ha->req_q_map[0];
3084
3085         /* Assume a failed state */
3086         rval = QLA_FUNCTION_FAILED;
3087
3088         ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
3089                &reg->flash_address);
3090
3091         spin_lock_irqsave(&ha->hardware_lock, flags);
3092
3093         /* Reset ISP chip. */
3094         wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
3095
3096         /*
3097          * We need to have a delay here since the card will not respond while
3098          * in reset causing an MCA on some architectures.
3099          */
3100         udelay(20);
3101         data = qla2x00_debounce_register(&reg->ctrl_status);
3102         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
3103                 udelay(5);
3104                 data = rd_reg_word(&reg->ctrl_status);
3105                 barrier();
3106         }
3107
3108         if (!cnt)
3109                 goto chip_diag_failed;
3110
3111         ql_dbg(ql_dbg_init, vha, 0x007c,
3112             "Reset register cleared by chip reset.\n");
3113
3114         /* Reset RISC processor. */
3115         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
3116         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
3117
3118         /* Workaround for QLA2312 PCI parity error */
3119         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
3120                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
3121                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
3122                         udelay(5);
3123                         data = RD_MAILBOX_REG(ha, reg, 0);
3124                         barrier();
3125                 }
3126         } else
3127                 udelay(10);
3128
3129         if (!cnt)
3130                 goto chip_diag_failed;
3131
3132         /* Check product ID of chip */
3133         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
3134
3135         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
3136         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
3137         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
3138         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
3139         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
3140             mb[3] != PROD_ID_3) {
3141                 ql_log(ql_log_warn, vha, 0x0062,
3142                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
3143                     mb[1], mb[2], mb[3]);
3144
3145                 goto chip_diag_failed;
3146         }
3147         ha->product_id[0] = mb[1];
3148         ha->product_id[1] = mb[2];
3149         ha->product_id[2] = mb[3];
3150         ha->product_id[3] = mb[4];
3151
3152         /* Adjust fw RISC transfer size */
3153         if (req->length > 1024)
3154                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
3155         else
3156                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
3157                     req->length;
3158
3159         if (IS_QLA2200(ha) &&
3160             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
3161                 /* Limit firmware transfer size with a 2200A */
3162                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
3163
3164                 ha->device_type |= DT_ISP2200A;
3165                 ha->fw_transfer_size = 128;
3166         }
3167
3168         /* Wrap Incoming Mailboxes Test. */
3169         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3170
3171         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
3172         rval = qla2x00_mbx_reg_test(vha);
3173         if (rval)
3174                 ql_log(ql_log_warn, vha, 0x0080,
3175                     "Failed mailbox send register test.\n");
3176         else
3177                 /* Flag a successful rval */
3178                 rval = QLA_SUCCESS;
3179         spin_lock_irqsave(&ha->hardware_lock, flags);
3180
3181 chip_diag_failed:
3182         if (rval)
3183                 ql_log(ql_log_info, vha, 0x0081,
3184                     "Chip diagnostics **** FAILED ****.\n");
3185
3186         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3187
3188         return (rval);
3189 }
3190
3191 /**
3192  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
3193  * @vha: HA context
3194  *
3195  * Returns 0 on success.
3196  */
3197 int
3198 qla24xx_chip_diag(scsi_qla_host_t *vha)
3199 {
3200         int rval;
3201         struct qla_hw_data *ha = vha->hw;
3202         struct req_que *req = ha->req_q_map[0];
3203
3204         if (IS_P3P_TYPE(ha))
3205                 return QLA_SUCCESS;
3206
3207         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
3208
3209         rval = qla2x00_mbx_reg_test(vha);
3210         if (rval) {
3211                 ql_log(ql_log_warn, vha, 0x0082,
3212                     "Failed mailbox send register test.\n");
3213         } else {
3214                 /* Flag a successful rval */
3215                 rval = QLA_SUCCESS;
3216         }
3217
3218         return rval;
3219 }
3220
3221 static void
3222 qla2x00_init_fce_trace(scsi_qla_host_t *vha)
3223 {
3224         int rval;
3225         dma_addr_t tc_dma;
3226         void *tc;
3227         struct qla_hw_data *ha = vha->hw;
3228
3229         if (!IS_FWI2_CAPABLE(ha))
3230                 return;
3231
3232         if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3233             !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3234                 return;
3235
3236         if (ha->fce) {
3237                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3238                        "%s: FCE Mem is already allocated.\n",
3239                        __func__);
3240                 return;
3241         }
3242
3243         /* Allocate memory for Fibre Channel Event Buffer. */
3244         tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
3245                                 GFP_KERNEL);
3246         if (!tc) {
3247                 ql_log(ql_log_warn, vha, 0x00be,
3248                        "Unable to allocate (%d KB) for FCE.\n",
3249                        FCE_SIZE / 1024);
3250                 return;
3251         }
3252
3253         rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
3254                                         ha->fce_mb, &ha->fce_bufs);
3255         if (rval) {
3256                 ql_log(ql_log_warn, vha, 0x00bf,
3257                        "Unable to initialize FCE (%d).\n", rval);
3258                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, tc_dma);
3259                 return;
3260         }
3261
3262         ql_dbg(ql_dbg_init, vha, 0x00c0,
3263                "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
3264
3265         ha->flags.fce_enabled = 1;
3266         ha->fce_dma = tc_dma;
3267         ha->fce = tc;
3268 }
3269
3270 static void
3271 qla2x00_init_eft_trace(scsi_qla_host_t *vha)
3272 {
3273         int rval;
3274         dma_addr_t tc_dma;
3275         void *tc;
3276         struct qla_hw_data *ha = vha->hw;
3277
3278         if (!IS_FWI2_CAPABLE(ha))
3279                 return;
3280
3281         if (ha->eft) {
3282                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3283                     "%s: EFT Mem is already allocated.\n",
3284                     __func__);
3285                 return;
3286         }
3287
3288         /* Allocate memory for Extended Trace Buffer. */
3289         tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
3290                                 GFP_KERNEL);
3291         if (!tc) {
3292                 ql_log(ql_log_warn, vha, 0x00c1,
3293                        "Unable to allocate (%d KB) for EFT.\n",
3294                        EFT_SIZE / 1024);
3295                 return;
3296         }
3297
3298         rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
3299         if (rval) {
3300                 ql_log(ql_log_warn, vha, 0x00c2,
3301                        "Unable to initialize EFT (%d).\n", rval);
3302                 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, tc_dma);
3303                 return;
3304         }
3305
3306         ql_dbg(ql_dbg_init, vha, 0x00c3,
3307                "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3308
3309         ha->eft_dma = tc_dma;
3310         ha->eft = tc;
3311 }
3312
3313 static void
3314 qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
3315 {
3316         qla2x00_init_fce_trace(vha);
3317         qla2x00_init_eft_trace(vha);
3318 }
3319
3320 void
3321 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
3322 {
3323         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
3324             eft_size, fce_size, mq_size;
3325         struct qla_hw_data *ha = vha->hw;
3326         struct req_que *req = ha->req_q_map[0];
3327         struct rsp_que *rsp = ha->rsp_q_map[0];
3328         struct qla2xxx_fw_dump *fw_dump;
3329
3330         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
3331         req_q_size = rsp_q_size = 0;
3332
3333         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3334                 fixed_size = sizeof(struct qla2100_fw_dump);
3335         } else if (IS_QLA23XX(ha)) {
3336                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
3337                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
3338                     sizeof(uint16_t);
3339         } else if (IS_FWI2_CAPABLE(ha)) {
3340                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
3341                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
3342                 else if (IS_QLA81XX(ha))
3343                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
3344                 else if (IS_QLA25XX(ha))
3345                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
3346                 else
3347                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
3348
3349                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
3350                     sizeof(uint32_t);
3351                 if (ha->mqenable) {
3352                         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha) &&
3353                             !IS_QLA28XX(ha))
3354                                 mq_size = sizeof(struct qla2xxx_mq_chain);
3355                         /*
3356                          * Allocate maximum buffer size for all queues - Q0.
3357                          * Resizing must be done at end-of-dump processing.
3358                          */
3359                         mq_size += (ha->max_req_queues - 1) *
3360                             (req->length * sizeof(request_t));
3361                         mq_size += (ha->max_rsp_queues - 1) *
3362                             (rsp->length * sizeof(response_t));
3363                 }
3364                 if (ha->tgt.atio_ring)
3365                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
3366
3367                 qla2x00_init_fce_trace(vha);
3368                 if (ha->fce)
3369                         fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
3370                 qla2x00_init_eft_trace(vha);
3371                 if (ha->eft)
3372                         eft_size = EFT_SIZE;
3373         }
3374
3375         if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3376                 struct fwdt *fwdt = ha->fwdt;
3377                 uint j;
3378
3379                 for (j = 0; j < 2; j++, fwdt++) {
3380                         if (!fwdt->template) {
3381                                 ql_dbg(ql_dbg_init, vha, 0x00ba,
3382                                     "-> fwdt%u no template\n", j);
3383                                 continue;
3384                         }
3385                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3386                             "-> fwdt%u calculating fwdump size...\n", j);
3387                         fwdt->dump_size = qla27xx_fwdt_calculate_dump_size(
3388                             vha, fwdt->template);
3389                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3390                             "-> fwdt%u calculated fwdump size = %#lx bytes\n",
3391                             j, fwdt->dump_size);
3392                         dump_size += fwdt->dump_size;
3393                 }
3394                 /* Add space for spare MPI fw dump. */
3395                 dump_size += ha->fwdt[1].dump_size;
3396         } else {
3397                 req_q_size = req->length * sizeof(request_t);
3398                 rsp_q_size = rsp->length * sizeof(response_t);
3399                 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
3400                 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size
3401                         + eft_size;
3402                 ha->chain_offset = dump_size;
3403                 dump_size += mq_size + fce_size;
3404                 if (ha->exchoffld_buf)
3405                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3406                                 ha->exchoffld_size;
3407                 if (ha->exlogin_buf)
3408                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3409                                 ha->exlogin_size;
3410         }
3411
3412         if (!ha->fw_dump_len || dump_size > ha->fw_dump_alloc_len) {
3413
3414                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3415                     "%s dump_size %d fw_dump_len %d fw_dump_alloc_len %d\n",
3416                     __func__, dump_size, ha->fw_dump_len,
3417                     ha->fw_dump_alloc_len);
3418
3419                 fw_dump = vmalloc(dump_size);
3420                 if (!fw_dump) {
3421                         ql_log(ql_log_warn, vha, 0x00c4,
3422                             "Unable to allocate (%d KB) for firmware dump.\n",
3423                             dump_size / 1024);
3424                 } else {
3425                         mutex_lock(&ha->optrom_mutex);
3426                         if (ha->fw_dumped) {
3427                                 memcpy(fw_dump, ha->fw_dump, ha->fw_dump_len);
3428                                 vfree(ha->fw_dump);
3429                                 ha->fw_dump = fw_dump;
3430                                 ha->fw_dump_alloc_len =  dump_size;
3431                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3432                                     "Re-Allocated (%d KB) and save firmware dump.\n",
3433                                     dump_size / 1024);
3434                         } else {
3435                                 vfree(ha->fw_dump);
3436                                 ha->fw_dump = fw_dump;
3437
3438                                 ha->fw_dump_len = ha->fw_dump_alloc_len =
3439                                     dump_size;
3440                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3441                                     "Allocated (%d KB) for firmware dump.\n",
3442                                     dump_size / 1024);
3443
3444                                 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3445                                         ha->mpi_fw_dump = (char *)fw_dump +
3446                                                 ha->fwdt[1].dump_size;
3447                                         mutex_unlock(&ha->optrom_mutex);
3448                                         return;
3449                                 }
3450
3451                                 ha->fw_dump->signature[0] = 'Q';
3452                                 ha->fw_dump->signature[1] = 'L';
3453                                 ha->fw_dump->signature[2] = 'G';
3454                                 ha->fw_dump->signature[3] = 'C';
3455                                 ha->fw_dump->version = htonl(1);
3456
3457                                 ha->fw_dump->fixed_size = htonl(fixed_size);
3458                                 ha->fw_dump->mem_size = htonl(mem_size);
3459                                 ha->fw_dump->req_q_size = htonl(req_q_size);
3460                                 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3461
3462                                 ha->fw_dump->eft_size = htonl(eft_size);
3463                                 ha->fw_dump->eft_addr_l =
3464                                     htonl(LSD(ha->eft_dma));
3465                                 ha->fw_dump->eft_addr_h =
3466                                     htonl(MSD(ha->eft_dma));
3467
3468                                 ha->fw_dump->header_size =
3469                                         htonl(offsetof
3470                                             (struct qla2xxx_fw_dump, isp));
3471                         }
3472                         mutex_unlock(&ha->optrom_mutex);
3473                 }
3474         }
3475 }
3476
3477 static int
3478 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3479 {
3480 #define MPS_MASK        0xe0
3481         int rval;
3482         uint16_t dc;
3483         uint32_t dw;
3484
3485         if (!IS_QLA81XX(vha->hw))
3486                 return QLA_SUCCESS;
3487
3488         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3489         if (rval != QLA_SUCCESS) {
3490                 ql_log(ql_log_warn, vha, 0x0105,
3491                     "Unable to acquire semaphore.\n");
3492                 goto done;
3493         }
3494
3495         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3496         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3497         if (rval != QLA_SUCCESS) {
3498                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3499                 goto done_release;
3500         }
3501
3502         dc &= MPS_MASK;
3503         if (dc == (dw & MPS_MASK))
3504                 goto done_release;
3505
3506         dw &= ~MPS_MASK;
3507         dw |= dc;
3508         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3509         if (rval != QLA_SUCCESS) {
3510                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3511         }
3512
3513 done_release:
3514         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3515         if (rval != QLA_SUCCESS) {
3516                 ql_log(ql_log_warn, vha, 0x006d,
3517                     "Unable to release semaphore.\n");
3518         }
3519
3520 done:
3521         return rval;
3522 }
3523
3524 int
3525 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3526 {
3527         /* Don't try to reallocate the array */
3528         if (req->outstanding_cmds)
3529                 return QLA_SUCCESS;
3530
3531         if (!IS_FWI2_CAPABLE(ha))
3532                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
3533         else {
3534                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
3535                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3536                 else
3537                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3538         }
3539
3540         req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3541                                         sizeof(srb_t *),
3542                                         GFP_KERNEL);
3543
3544         if (!req->outstanding_cmds) {
3545                 /*
3546                  * Try to allocate a minimal size just so we can get through
3547                  * initialization.
3548                  */
3549                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3550                 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3551                                                 sizeof(srb_t *),
3552                                                 GFP_KERNEL);
3553
3554                 if (!req->outstanding_cmds) {
3555                         ql_log(ql_log_fatal, NULL, 0x0126,
3556                             "Failed to allocate memory for "
3557                             "outstanding_cmds for req_que %p.\n", req);
3558                         req->num_outstanding_cmds = 0;
3559                         return QLA_FUNCTION_FAILED;
3560                 }
3561         }
3562
3563         return QLA_SUCCESS;
3564 }
3565
3566 #define PRINT_FIELD(_field, _flag, _str) {              \
3567         if (a0->_field & _flag) {\
3568                 if (p) {\
3569                         strcat(ptr, "|");\
3570                         ptr++;\
3571                         leftover--;\
3572                 } \
3573                 len = snprintf(ptr, leftover, "%s", _str);      \
3574                 p = 1;\
3575                 leftover -= len;\
3576                 ptr += len; \
3577         } \
3578 }
3579
3580 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
3581 {
3582 #define STR_LEN 64
3583         struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
3584         u8 str[STR_LEN], *ptr, p;
3585         int leftover, len;
3586
3587         memset(str, 0, STR_LEN);
3588         snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
3589         ql_dbg(ql_dbg_init, vha, 0x015a,
3590             "SFP MFG Name: %s\n", str);
3591
3592         memset(str, 0, STR_LEN);
3593         snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
3594         ql_dbg(ql_dbg_init, vha, 0x015c,
3595             "SFP Part Name: %s\n", str);
3596
3597         /* media */
3598         memset(str, 0, STR_LEN);
3599         ptr = str;
3600         leftover = STR_LEN;
3601         p = len = 0;
3602         PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
3603         PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
3604         PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
3605         PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
3606         PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
3607         PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
3608         PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
3609         ql_dbg(ql_dbg_init, vha, 0x0160,
3610             "SFP Media: %s\n", str);
3611
3612         /* link length */
3613         memset(str, 0, STR_LEN);
3614         ptr = str;
3615         leftover = STR_LEN;
3616         p = len = 0;
3617         PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
3618         PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
3619         PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
3620         PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
3621         PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
3622         ql_dbg(ql_dbg_init, vha, 0x0196,
3623             "SFP Link Length: %s\n", str);
3624
3625         memset(str, 0, STR_LEN);
3626         ptr = str;
3627         leftover = STR_LEN;
3628         p = len = 0;
3629         PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
3630         PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
3631         PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
3632         PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
3633         PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
3634         ql_dbg(ql_dbg_init, vha, 0x016e,
3635             "SFP FC Link Tech: %s\n", str);
3636
3637         if (a0->length_km)
3638                 ql_dbg(ql_dbg_init, vha, 0x016f,
3639                     "SFP Distant: %d km\n", a0->length_km);
3640         if (a0->length_100m)
3641                 ql_dbg(ql_dbg_init, vha, 0x0170,
3642                     "SFP Distant: %d m\n", a0->length_100m*100);
3643         if (a0->length_50um_10m)
3644                 ql_dbg(ql_dbg_init, vha, 0x0189,
3645                     "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
3646         if (a0->length_62um_10m)
3647                 ql_dbg(ql_dbg_init, vha, 0x018a,
3648                   "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
3649         if (a0->length_om4_10m)
3650                 ql_dbg(ql_dbg_init, vha, 0x0194,
3651                     "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
3652         if (a0->length_om3_10m)
3653                 ql_dbg(ql_dbg_init, vha, 0x0195,
3654                     "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
3655 }
3656
3657
3658 /**
3659  * qla24xx_detect_sfp()
3660  *
3661  * @vha: adapter state pointer.
3662  *
3663  * @return
3664  *      0 -- Configure firmware to use short-range settings -- normal
3665  *           buffer-to-buffer credits.
3666  *
3667  *      1 -- Configure firmware to use long-range settings -- extra
3668  *           buffer-to-buffer credits should be allocated with
3669  *           ha->lr_distance containing distance settings from NVRAM or SFP
3670  *           (if supported).
3671  */
3672 int
3673 qla24xx_detect_sfp(scsi_qla_host_t *vha)
3674 {
3675         int rc, used_nvram;
3676         struct sff_8247_a0 *a;
3677         struct qla_hw_data *ha = vha->hw;
3678         struct nvram_81xx *nv = ha->nvram;
3679 #define LR_DISTANCE_UNKNOWN     2
3680         static const char * const types[] = { "Short", "Long" };
3681         static const char * const lengths[] = { "(10km)", "(5km)", "" };
3682         u8 ll = 0;
3683
3684         /* Seed with NVRAM settings. */
3685         used_nvram = 0;
3686         ha->flags.lr_detected = 0;
3687         if (IS_BPM_RANGE_CAPABLE(ha) &&
3688             (nv->enhanced_features & NEF_LR_DIST_ENABLE)) {
3689                 used_nvram = 1;
3690                 ha->flags.lr_detected = 1;
3691                 ha->lr_distance =
3692                     (nv->enhanced_features >> LR_DIST_NV_POS)
3693                      & LR_DIST_NV_MASK;
3694         }
3695
3696         if (!IS_BPM_ENABLED(vha))
3697                 goto out;
3698         /* Determine SR/LR capabilities of SFP/Transceiver. */
3699         rc = qla2x00_read_sfp_dev(vha, NULL, 0);
3700         if (rc)
3701                 goto out;
3702
3703         used_nvram = 0;
3704         a = (struct sff_8247_a0 *)vha->hw->sfp_data;
3705         qla2xxx_print_sfp_info(vha);
3706
3707         ha->flags.lr_detected = 0;
3708         ll = a->fc_ll_cc7;
3709         if (ll & FC_LL_VL || ll & FC_LL_L) {
3710                 /* Long range, track length. */
3711                 ha->flags.lr_detected = 1;
3712
3713                 if (a->length_km > 5 || a->length_100m > 50)
3714                         ha->lr_distance = LR_DISTANCE_10K;
3715                 else
3716                         ha->lr_distance = LR_DISTANCE_5K;
3717         }
3718
3719 out:
3720         ql_dbg(ql_dbg_async, vha, 0x507b,
3721             "SFP detect: %s-Range SFP %s (nvr=%x ll=%x lr=%x lrd=%x).\n",
3722             types[ha->flags.lr_detected],
3723             ha->flags.lr_detected ? lengths[ha->lr_distance] :
3724                lengths[LR_DISTANCE_UNKNOWN],
3725             used_nvram, ll, ha->flags.lr_detected, ha->lr_distance);
3726         return ha->flags.lr_detected;
3727 }
3728
3729 void qla_init_iocb_limit(scsi_qla_host_t *vha)
3730 {
3731         u16 i, num_qps;
3732         u32 limit;
3733         struct qla_hw_data *ha = vha->hw;
3734
3735         num_qps = ha->num_qpairs + 1;
3736         limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100;
3737
3738         ha->base_qpair->fwres.iocbs_total = ha->orig_fw_iocb_count;
3739         ha->base_qpair->fwres.iocbs_limit = limit;
3740         ha->base_qpair->fwres.iocbs_qp_limit = limit / num_qps;
3741         ha->base_qpair->fwres.iocbs_used = 0;
3742         for (i = 0; i < ha->max_qpairs; i++) {
3743                 if (ha->queue_pair_map[i])  {
3744                         ha->queue_pair_map[i]->fwres.iocbs_total =
3745                                 ha->orig_fw_iocb_count;
3746                         ha->queue_pair_map[i]->fwres.iocbs_limit = limit;
3747                         ha->queue_pair_map[i]->fwres.iocbs_qp_limit =
3748                                 limit / num_qps;
3749                         ha->queue_pair_map[i]->fwres.iocbs_used = 0;
3750                 }
3751         }
3752 }
3753
3754 /**
3755  * qla2x00_setup_chip() - Load and start RISC firmware.
3756  * @vha: HA context
3757  *
3758  * Returns 0 on success.
3759  */
3760 static int
3761 qla2x00_setup_chip(scsi_qla_host_t *vha)
3762 {
3763         int rval;
3764         uint32_t srisc_address = 0;
3765         struct qla_hw_data *ha = vha->hw;
3766         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3767         unsigned long flags;
3768         uint16_t fw_major_version;
3769         int done_once = 0;
3770
3771         if (IS_P3P_TYPE(ha)) {
3772                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
3773                 if (rval == QLA_SUCCESS) {
3774                         qla2x00_stop_firmware(vha);
3775                         goto enable_82xx_npiv;
3776                 } else
3777                         goto failed;
3778         }
3779
3780         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3781                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
3782                 spin_lock_irqsave(&ha->hardware_lock, flags);
3783                 wrt_reg_word(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
3784                 rd_reg_word(&reg->hccr);
3785                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3786         }
3787
3788         qla81xx_mpi_sync(vha);
3789
3790 execute_fw_with_lr:
3791         /* Load firmware sequences */
3792         rval = ha->isp_ops->load_risc(vha, &srisc_address);
3793         if (rval == QLA_SUCCESS) {
3794                 ql_dbg(ql_dbg_init, vha, 0x00c9,
3795                     "Verifying Checksum of loaded RISC code.\n");
3796
3797                 rval = qla2x00_verify_checksum(vha, srisc_address);
3798                 if (rval == QLA_SUCCESS) {
3799                         /* Start firmware execution. */
3800                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3801                             "Starting firmware.\n");
3802
3803                         if (ql2xexlogins)
3804                                 ha->flags.exlogins_enabled = 1;
3805
3806                         if (qla_is_exch_offld_enabled(vha))
3807                                 ha->flags.exchoffld_enabled = 1;
3808
3809                         rval = qla2x00_execute_fw(vha, srisc_address);
3810                         /* Retrieve firmware information. */
3811                         if (rval == QLA_SUCCESS) {
3812                                 /* Enable BPM support? */
3813                                 if (!done_once++ && qla24xx_detect_sfp(vha)) {
3814                                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3815                                             "Re-starting firmware -- BPM.\n");
3816                                         /* Best-effort - re-init. */
3817                                         ha->isp_ops->reset_chip(vha);
3818                                         ha->isp_ops->chip_diag(vha);
3819                                         goto execute_fw_with_lr;
3820                                 }
3821
3822                                 if (IS_ZIO_THRESHOLD_CAPABLE(ha))
3823                                         qla27xx_set_zio_threshold(vha,
3824                                             ha->last_zio_threshold);
3825
3826                                 rval = qla2x00_set_exlogins_buffer(vha);
3827                                 if (rval != QLA_SUCCESS)
3828                                         goto failed;
3829
3830                                 rval = qla2x00_set_exchoffld_buffer(vha);
3831                                 if (rval != QLA_SUCCESS)
3832                                         goto failed;
3833
3834 enable_82xx_npiv:
3835                                 fw_major_version = ha->fw_major_version;
3836                                 if (IS_P3P_TYPE(ha))
3837                                         qla82xx_check_md_needed(vha);
3838                                 else
3839                                         rval = qla2x00_get_fw_version(vha);
3840                                 if (rval != QLA_SUCCESS)
3841                                         goto failed;
3842                                 ha->flags.npiv_supported = 0;
3843                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
3844                                          (ha->fw_attributes & BIT_2)) {
3845                                         ha->flags.npiv_supported = 1;
3846                                         if ((!ha->max_npiv_vports) ||
3847                                             ((ha->max_npiv_vports + 1) %
3848                                             MIN_MULTI_ID_FABRIC))
3849                                                 ha->max_npiv_vports =
3850                                                     MIN_MULTI_ID_FABRIC - 1;
3851                                 }
3852                                 qla2x00_get_resource_cnts(vha);
3853                                 qla_init_iocb_limit(vha);
3854
3855                                 /*
3856                                  * Allocate the array of outstanding commands
3857                                  * now that we know the firmware resources.
3858                                  */
3859                                 rval = qla2x00_alloc_outstanding_cmds(ha,
3860                                     vha->req);
3861                                 if (rval != QLA_SUCCESS)
3862                                         goto failed;
3863
3864                                 if (!fw_major_version && !(IS_P3P_TYPE(ha)))
3865                                         qla2x00_alloc_offload_mem(vha);
3866
3867                                 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
3868                                         qla2x00_alloc_fw_dump(vha);
3869
3870                         } else {
3871                                 goto failed;
3872                         }
3873                 } else {
3874                         ql_log(ql_log_fatal, vha, 0x00cd,
3875                             "ISP Firmware failed checksum.\n");
3876                         goto failed;
3877                 }
3878
3879                 /* Enable PUREX PASSTHRU */
3880                 if (ql2xrdpenable || ha->flags.scm_supported_f)
3881                         qla25xx_set_els_cmds_supported(vha);
3882         } else
3883                 goto failed;
3884
3885         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3886                 /* Enable proper parity. */
3887                 spin_lock_irqsave(&ha->hardware_lock, flags);
3888                 if (IS_QLA2300(ha))
3889                         /* SRAM parity */
3890                         wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
3891                 else
3892                         /* SRAM, Instruction RAM and GP RAM parity */
3893                         wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
3894                 rd_reg_word(&reg->hccr);
3895                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3896         }
3897
3898         if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
3899                 ha->flags.fac_supported = 1;
3900         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
3901                 uint32_t size;
3902
3903                 rval = qla81xx_fac_get_sector_size(vha, &size);
3904                 if (rval == QLA_SUCCESS) {
3905                         ha->flags.fac_supported = 1;
3906                         ha->fdt_block_size = size << 2;
3907                 } else {
3908                         ql_log(ql_log_warn, vha, 0x00ce,
3909                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
3910                             ha->fw_major_version, ha->fw_minor_version,
3911                             ha->fw_subminor_version);
3912
3913                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3914                             IS_QLA28XX(ha)) {
3915                                 ha->flags.fac_supported = 0;
3916                                 rval = QLA_SUCCESS;
3917                         }
3918                 }
3919         }
3920 failed:
3921         if (rval) {
3922                 ql_log(ql_log_fatal, vha, 0x00cf,
3923                     "Setup chip ****FAILED****.\n");
3924         }
3925
3926         return (rval);
3927 }
3928
3929 /**
3930  * qla2x00_init_response_q_entries() - Initializes response queue entries.
3931  * @rsp: response queue
3932  *
3933  * Beginning of request ring has initialization control block already built
3934  * by nvram config routine.
3935  *
3936  * Returns 0 on success.
3937  */
3938 void
3939 qla2x00_init_response_q_entries(struct rsp_que *rsp)
3940 {
3941         uint16_t cnt;
3942         response_t *pkt;
3943
3944         rsp->ring_ptr = rsp->ring;
3945         rsp->ring_index    = 0;
3946         rsp->status_srb = NULL;
3947         pkt = rsp->ring_ptr;
3948         for (cnt = 0; cnt < rsp->length; cnt++) {
3949                 pkt->signature = RESPONSE_PROCESSED;
3950                 pkt++;
3951         }
3952 }
3953
3954 /**
3955  * qla2x00_update_fw_options() - Read and process firmware options.
3956  * @vha: HA context
3957  *
3958  * Returns 0 on success.
3959  */
3960 void
3961 qla2x00_update_fw_options(scsi_qla_host_t *vha)
3962 {
3963         uint16_t swing, emphasis, tx_sens, rx_sens;
3964         struct qla_hw_data *ha = vha->hw;
3965
3966         memset(ha->fw_options, 0, sizeof(ha->fw_options));
3967         qla2x00_get_fw_options(vha, ha->fw_options);
3968
3969         if (IS_QLA2100(ha) || IS_QLA2200(ha))
3970                 return;
3971
3972         /* Serial Link options. */
3973         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
3974             "Serial link options.\n");
3975         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
3976             ha->fw_seriallink_options, sizeof(ha->fw_seriallink_options));
3977
3978         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
3979         if (ha->fw_seriallink_options[3] & BIT_2) {
3980                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
3981
3982                 /*  1G settings */
3983                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
3984                 emphasis = (ha->fw_seriallink_options[2] &
3985                     (BIT_4 | BIT_3)) >> 3;
3986                 tx_sens = ha->fw_seriallink_options[0] &
3987                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3988                 rx_sens = (ha->fw_seriallink_options[0] &
3989                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3990                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
3991                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3992                         if (rx_sens == 0x0)
3993                                 rx_sens = 0x3;
3994                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
3995                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3996                         ha->fw_options[10] |= BIT_5 |
3997                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3998                             (tx_sens & (BIT_1 | BIT_0));
3999
4000                 /*  2G settings */
4001                 swing = (ha->fw_seriallink_options[2] &
4002                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
4003                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
4004                 tx_sens = ha->fw_seriallink_options[1] &
4005                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4006                 rx_sens = (ha->fw_seriallink_options[1] &
4007                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
4008                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
4009                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
4010                         if (rx_sens == 0x0)
4011                                 rx_sens = 0x3;
4012                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
4013                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
4014                         ha->fw_options[11] |= BIT_5 |
4015                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
4016                             (tx_sens & (BIT_1 | BIT_0));
4017         }
4018
4019         /* FCP2 options. */
4020         /*  Return command IOCBs without waiting for an ABTS to complete. */
4021         ha->fw_options[3] |= BIT_13;
4022
4023         /* LED scheme. */
4024         if (ha->flags.enable_led_scheme)
4025                 ha->fw_options[2] |= BIT_12;
4026
4027         /* Detect ISP6312. */
4028         if (IS_QLA6312(ha))
4029                 ha->fw_options[2] |= BIT_13;
4030
4031         /* Set Retry FLOGI in case of P2P connection */
4032         if (ha->operating_mode == P2P) {
4033                 ha->fw_options[2] |= BIT_3;
4034                 ql_dbg(ql_dbg_disc, vha, 0x2100,
4035                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
4036                         __func__, ha->fw_options[2]);
4037         }
4038
4039         /* Update firmware options. */
4040         qla2x00_set_fw_options(vha, ha->fw_options);
4041 }
4042
4043 void
4044 qla24xx_update_fw_options(scsi_qla_host_t *vha)
4045 {
4046         int rval;
4047         struct qla_hw_data *ha = vha->hw;
4048
4049         if (IS_P3P_TYPE(ha))
4050                 return;
4051
4052         /*  Hold status IOCBs until ABTS response received. */
4053         if (ql2xfwholdabts)
4054                 ha->fw_options[3] |= BIT_12;
4055
4056         /* Set Retry FLOGI in case of P2P connection */
4057         if (ha->operating_mode == P2P) {
4058                 ha->fw_options[2] |= BIT_3;
4059                 ql_dbg(ql_dbg_disc, vha, 0x2101,
4060                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
4061                         __func__, ha->fw_options[2]);
4062         }
4063
4064         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
4065         if (ql2xmvasynctoatio &&
4066             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
4067                 if (qla_tgt_mode_enabled(vha) ||
4068                     qla_dual_mode_enabled(vha))
4069                         ha->fw_options[2] |= BIT_11;
4070                 else
4071                         ha->fw_options[2] &= ~BIT_11;
4072         }
4073
4074         if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4075             IS_QLA28XX(ha)) {
4076                 /*
4077                  * Tell FW to track each exchange to prevent
4078                  * driver from using stale exchange.
4079                  */
4080                 if (qla_tgt_mode_enabled(vha) ||
4081                     qla_dual_mode_enabled(vha))
4082                         ha->fw_options[2] |= BIT_4;
4083                 else
4084                         ha->fw_options[2] &= ~BIT_4;
4085
4086                 /* Reserve 1/2 of emergency exchanges for ELS.*/
4087                 if (qla2xuseresexchforels)
4088                         ha->fw_options[2] |= BIT_8;
4089                 else
4090                         ha->fw_options[2] &= ~BIT_8;
4091         }
4092
4093         if (ql2xrdpenable || ha->flags.scm_supported_f)
4094                 ha->fw_options[1] |= ADD_FO1_ENABLE_PUREX_IOCB;
4095
4096         /* Enable Async 8130/8131 events -- transceiver insertion/removal */
4097         if (IS_BPM_RANGE_CAPABLE(ha))
4098                 ha->fw_options[3] |= BIT_10;
4099
4100         ql_dbg(ql_dbg_init, vha, 0x00e8,
4101             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
4102             __func__, ha->fw_options[1], ha->fw_options[2],
4103             ha->fw_options[3], vha->host->active_mode);
4104
4105         if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
4106                 qla2x00_set_fw_options(vha, ha->fw_options);
4107
4108         /* Update Serial Link options. */
4109         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
4110                 return;
4111
4112         rval = qla2x00_set_serdes_params(vha,
4113             le16_to_cpu(ha->fw_seriallink_options24[1]),
4114             le16_to_cpu(ha->fw_seriallink_options24[2]),
4115             le16_to_cpu(ha->fw_seriallink_options24[3]));
4116         if (rval != QLA_SUCCESS) {
4117                 ql_log(ql_log_warn, vha, 0x0104,
4118                     "Unable to update Serial Link options (%x).\n", rval);
4119         }
4120 }
4121
4122 void
4123 qla2x00_config_rings(struct scsi_qla_host *vha)
4124 {
4125         struct qla_hw_data *ha = vha->hw;
4126         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4127         struct req_que *req = ha->req_q_map[0];
4128         struct rsp_que *rsp = ha->rsp_q_map[0];
4129
4130         /* Setup ring parameters in initialization control block. */
4131         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
4132         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
4133         ha->init_cb->request_q_length = cpu_to_le16(req->length);
4134         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
4135         put_unaligned_le64(req->dma, &ha->init_cb->request_q_address);
4136         put_unaligned_le64(rsp->dma, &ha->init_cb->response_q_address);
4137
4138         wrt_reg_word(ISP_REQ_Q_IN(ha, reg), 0);
4139         wrt_reg_word(ISP_REQ_Q_OUT(ha, reg), 0);
4140         wrt_reg_word(ISP_RSP_Q_IN(ha, reg), 0);
4141         wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), 0);
4142         rd_reg_word(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
4143 }
4144
4145 void
4146 qla24xx_config_rings(struct scsi_qla_host *vha)
4147 {
4148         struct qla_hw_data *ha = vha->hw;
4149         device_reg_t *reg = ISP_QUE_REG(ha, 0);
4150         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
4151         struct qla_msix_entry *msix;
4152         struct init_cb_24xx *icb;
4153         uint16_t rid = 0;
4154         struct req_que *req = ha->req_q_map[0];
4155         struct rsp_que *rsp = ha->rsp_q_map[0];
4156
4157         /* Setup ring parameters in initialization control block. */
4158         icb = (struct init_cb_24xx *)ha->init_cb;
4159         icb->request_q_outpointer = cpu_to_le16(0);
4160         icb->response_q_inpointer = cpu_to_le16(0);
4161         icb->request_q_length = cpu_to_le16(req->length);
4162         icb->response_q_length = cpu_to_le16(rsp->length);
4163         put_unaligned_le64(req->dma, &icb->request_q_address);
4164         put_unaligned_le64(rsp->dma, &icb->response_q_address);
4165
4166         /* Setup ATIO queue dma pointers for target mode */
4167         icb->atio_q_inpointer = cpu_to_le16(0);
4168         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
4169         put_unaligned_le64(ha->tgt.atio_dma, &icb->atio_q_address);
4170
4171         if (IS_SHADOW_REG_CAPABLE(ha))
4172                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
4173
4174         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4175             IS_QLA28XX(ha)) {
4176                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
4177                 icb->rid = cpu_to_le16(rid);
4178                 if (ha->flags.msix_enabled) {
4179                         msix = &ha->msix_entries[1];
4180                         ql_dbg(ql_dbg_init, vha, 0x0019,
4181                             "Registering vector 0x%x for base que.\n",
4182                             msix->entry);
4183                         icb->msix = cpu_to_le16(msix->entry);
4184                 }
4185                 /* Use alternate PCI bus number */
4186                 if (MSB(rid))
4187                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
4188                 /* Use alternate PCI devfn */
4189                 if (LSB(rid))
4190                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
4191
4192                 /* Use Disable MSIX Handshake mode for capable adapters */
4193                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
4194                     (ha->flags.msix_enabled)) {
4195                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
4196                         ha->flags.disable_msix_handshake = 1;
4197                         ql_dbg(ql_dbg_init, vha, 0x00fe,
4198                             "MSIX Handshake Disable Mode turned on.\n");
4199                 } else {
4200                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
4201                 }
4202                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
4203
4204                 wrt_reg_dword(&reg->isp25mq.req_q_in, 0);
4205                 wrt_reg_dword(&reg->isp25mq.req_q_out, 0);
4206                 wrt_reg_dword(&reg->isp25mq.rsp_q_in, 0);
4207                 wrt_reg_dword(&reg->isp25mq.rsp_q_out, 0);
4208         } else {
4209                 wrt_reg_dword(&reg->isp24.req_q_in, 0);
4210                 wrt_reg_dword(&reg->isp24.req_q_out, 0);
4211                 wrt_reg_dword(&reg->isp24.rsp_q_in, 0);
4212                 wrt_reg_dword(&reg->isp24.rsp_q_out, 0);
4213         }
4214
4215         qlt_24xx_config_rings(vha);
4216
4217         /* If the user has configured the speed, set it here */
4218         if (ha->set_data_rate) {
4219                 ql_dbg(ql_dbg_init, vha, 0x00fd,
4220                     "Speed set by user : %s Gbps \n",
4221                     qla2x00_get_link_speed_str(ha, ha->set_data_rate));
4222                 icb->firmware_options_3 = cpu_to_le32(ha->set_data_rate << 13);
4223         }
4224
4225         /* PCI posting */
4226         rd_reg_word(&ioreg->hccr);
4227 }
4228
4229 /**
4230  * qla2x00_init_rings() - Initializes firmware.
4231  * @vha: HA context
4232  *
4233  * Beginning of request ring has initialization control block already built
4234  * by nvram config routine.
4235  *
4236  * Returns 0 on success.
4237  */
4238 int
4239 qla2x00_init_rings(scsi_qla_host_t *vha)
4240 {
4241         int     rval;
4242         unsigned long flags = 0;
4243         int cnt, que;
4244         struct qla_hw_data *ha = vha->hw;
4245         struct req_que *req;
4246         struct rsp_que *rsp;
4247         struct mid_init_cb_24xx *mid_init_cb =
4248             (struct mid_init_cb_24xx *) ha->init_cb;
4249
4250         spin_lock_irqsave(&ha->hardware_lock, flags);
4251
4252         /* Clear outstanding commands array. */
4253         for (que = 0; que < ha->max_req_queues; que++) {
4254                 req = ha->req_q_map[que];
4255                 if (!req || !test_bit(que, ha->req_qid_map))
4256                         continue;
4257                 req->out_ptr = (uint16_t *)(req->ring + req->length);
4258                 *req->out_ptr = 0;
4259                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
4260                         req->outstanding_cmds[cnt] = NULL;
4261
4262                 req->current_outstanding_cmd = 1;
4263
4264                 /* Initialize firmware. */
4265                 req->ring_ptr  = req->ring;
4266                 req->ring_index    = 0;
4267                 req->cnt      = req->length;
4268         }
4269
4270         for (que = 0; que < ha->max_rsp_queues; que++) {
4271                 rsp = ha->rsp_q_map[que];
4272                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
4273                         continue;
4274                 rsp->in_ptr = (uint16_t *)(rsp->ring + rsp->length);
4275                 *rsp->in_ptr = 0;
4276                 /* Initialize response queue entries */
4277                 if (IS_QLAFX00(ha))
4278                         qlafx00_init_response_q_entries(rsp);
4279                 else
4280                         qla2x00_init_response_q_entries(rsp);
4281         }
4282
4283         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
4284         ha->tgt.atio_ring_index = 0;
4285         /* Initialize ATIO queue entries */
4286         qlt_init_atio_q_entries(vha);
4287
4288         ha->isp_ops->config_rings(vha);
4289
4290         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4291
4292         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
4293
4294         if (IS_QLAFX00(ha)) {
4295                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
4296                 goto next_check;
4297         }
4298
4299         /* Update any ISP specific firmware options before initialization. */
4300         ha->isp_ops->update_fw_options(vha);
4301
4302         if (ha->flags.npiv_supported) {
4303                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
4304                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
4305                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
4306         }
4307
4308         if (IS_FWI2_CAPABLE(ha)) {
4309                 mid_init_cb->options = cpu_to_le16(BIT_1);
4310                 mid_init_cb->init_cb.execution_throttle =
4311                     cpu_to_le16(ha->cur_fw_xcb_count);
4312                 ha->flags.dport_enabled =
4313                         (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4314                          BIT_7) != 0;
4315                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
4316                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
4317                 /* FA-WWPN Status */
4318                 ha->flags.fawwpn_enabled =
4319                         (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4320                          BIT_6) != 0;
4321                 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
4322                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
4323         }
4324
4325         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
4326 next_check:
4327         if (rval) {
4328                 ql_log(ql_log_fatal, vha, 0x00d2,
4329                     "Init Firmware **** FAILED ****.\n");
4330         } else {
4331                 ql_dbg(ql_dbg_init, vha, 0x00d3,
4332                     "Init Firmware -- success.\n");
4333                 QLA_FW_STARTED(ha);
4334                 vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0;
4335         }
4336
4337         return (rval);
4338 }
4339
4340 /**
4341  * qla2x00_fw_ready() - Waits for firmware ready.
4342  * @vha: HA context
4343  *
4344  * Returns 0 on success.
4345  */
4346 static int
4347 qla2x00_fw_ready(scsi_qla_host_t *vha)
4348 {
4349         int             rval;
4350         unsigned long   wtime, mtime, cs84xx_time;
4351         uint16_t        min_wait;       /* Minimum wait time if loop is down */
4352         uint16_t        wait_time;      /* Wait time if loop is coming ready */
4353         uint16_t        state[6];
4354         struct qla_hw_data *ha = vha->hw;
4355
4356         if (IS_QLAFX00(vha->hw))
4357                 return qlafx00_fw_ready(vha);
4358
4359         rval = QLA_SUCCESS;
4360
4361         /* Time to wait for loop down */
4362         if (IS_P3P_TYPE(ha))
4363                 min_wait = 30;
4364         else
4365                 min_wait = 20;
4366
4367         /*
4368          * Firmware should take at most one RATOV to login, plus 5 seconds for
4369          * our own processing.
4370          */
4371         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
4372                 wait_time = min_wait;
4373         }
4374
4375         /* Min wait time if loop down */
4376         mtime = jiffies + (min_wait * HZ);
4377
4378         /* wait time before firmware ready */
4379         wtime = jiffies + (wait_time * HZ);
4380
4381         /* Wait for ISP to finish LIP */
4382         if (!vha->flags.init_done)
4383                 ql_log(ql_log_info, vha, 0x801e,
4384                     "Waiting for LIP to complete.\n");
4385
4386         do {
4387                 memset(state, -1, sizeof(state));
4388                 rval = qla2x00_get_firmware_state(vha, state);
4389                 if (rval == QLA_SUCCESS) {
4390                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
4391                                 vha->device_flags &= ~DFLG_NO_CABLE;
4392                         }
4393                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
4394                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
4395                                     "fw_state=%x 84xx=%x.\n", state[0],
4396                                     state[2]);
4397                                 if ((state[2] & FSTATE_LOGGED_IN) &&
4398                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
4399                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
4400                                             "Sending verify iocb.\n");
4401
4402                                         cs84xx_time = jiffies;
4403                                         rval = qla84xx_init_chip(vha);
4404                                         if (rval != QLA_SUCCESS) {
4405                                                 ql_log(ql_log_warn,
4406                                                     vha, 0x8007,
4407                                                     "Init chip failed.\n");
4408                                                 break;
4409                                         }
4410
4411                                         /* Add time taken to initialize. */
4412                                         cs84xx_time = jiffies - cs84xx_time;
4413                                         wtime += cs84xx_time;
4414                                         mtime += cs84xx_time;
4415                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
4416                                             "Increasing wait time by %ld. "
4417                                             "New time %ld.\n", cs84xx_time,
4418                                             wtime);
4419                                 }
4420                         } else if (state[0] == FSTATE_READY) {
4421                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
4422                                     "F/W Ready - OK.\n");
4423
4424                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
4425                                     &ha->login_timeout, &ha->r_a_tov);
4426
4427                                 rval = QLA_SUCCESS;
4428                                 break;
4429                         }
4430
4431                         rval = QLA_FUNCTION_FAILED;
4432
4433                         if (atomic_read(&vha->loop_down_timer) &&
4434                             state[0] != FSTATE_READY) {
4435                                 /* Loop down. Timeout on min_wait for states
4436                                  * other than Wait for Login.
4437                                  */
4438                                 if (time_after_eq(jiffies, mtime)) {
4439                                         ql_log(ql_log_info, vha, 0x8038,
4440                                             "Cable is unplugged...\n");
4441
4442                                         vha->device_flags |= DFLG_NO_CABLE;
4443                                         break;
4444                                 }
4445                         }
4446                 } else {
4447                         /* Mailbox cmd failed. Timeout on min_wait. */
4448                         if (time_after_eq(jiffies, mtime) ||
4449                                 ha->flags.isp82xx_fw_hung)
4450                                 break;
4451                 }
4452
4453                 if (time_after_eq(jiffies, wtime))
4454                         break;
4455
4456                 /* Delay for a while */
4457                 msleep(500);
4458         } while (1);
4459
4460         ql_dbg(ql_dbg_taskm, vha, 0x803a,
4461             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
4462             state[1], state[2], state[3], state[4], state[5], jiffies);
4463
4464         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
4465                 ql_log(ql_log_warn, vha, 0x803b,
4466                     "Firmware ready **** FAILED ****.\n");
4467         }
4468
4469         return (rval);
4470 }
4471
4472 /*
4473 *  qla2x00_configure_hba
4474 *      Setup adapter context.
4475 *
4476 * Input:
4477 *      ha = adapter state pointer.
4478 *
4479 * Returns:
4480 *      0 = success
4481 *
4482 * Context:
4483 *      Kernel context.
4484 */
4485 static int
4486 qla2x00_configure_hba(scsi_qla_host_t *vha)
4487 {
4488         int       rval;
4489         uint16_t      loop_id;
4490         uint16_t      topo;
4491         uint16_t      sw_cap;
4492         uint8_t       al_pa;
4493         uint8_t       area;
4494         uint8_t       domain;
4495         char            connect_type[22];
4496         struct qla_hw_data *ha = vha->hw;
4497         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4498         port_id_t id;
4499         unsigned long flags;
4500
4501         /* Get host addresses. */
4502         rval = qla2x00_get_adapter_id(vha,
4503             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
4504         if (rval != QLA_SUCCESS) {
4505                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
4506                     IS_CNA_CAPABLE(ha) ||
4507                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
4508                         ql_dbg(ql_dbg_disc, vha, 0x2008,
4509                             "Loop is in a transition state.\n");
4510                 } else {
4511                         ql_log(ql_log_warn, vha, 0x2009,
4512                             "Unable to get host loop ID.\n");
4513                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
4514                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
4515                                 ql_log(ql_log_warn, vha, 0x1151,
4516                                     "Doing link init.\n");
4517                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
4518                                         return rval;
4519                         }
4520                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4521                 }
4522                 return (rval);
4523         }
4524
4525         if (topo == 4) {
4526                 ql_log(ql_log_info, vha, 0x200a,
4527                     "Cannot get topology - retrying.\n");
4528                 return (QLA_FUNCTION_FAILED);
4529         }
4530
4531         vha->loop_id = loop_id;
4532
4533         /* initialize */
4534         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4535         ha->operating_mode = LOOP;
4536         ha->switch_cap = 0;
4537
4538         switch (topo) {
4539         case 0:
4540                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4541                 ha->current_topology = ISP_CFG_NL;
4542                 strcpy(connect_type, "(Loop)");
4543                 break;
4544
4545         case 1:
4546                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4547                 ha->switch_cap = sw_cap;
4548                 ha->current_topology = ISP_CFG_FL;
4549                 strcpy(connect_type, "(FL_Port)");
4550                 break;
4551
4552         case 2:
4553                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
4554                 ha->operating_mode = P2P;
4555                 ha->current_topology = ISP_CFG_N;
4556                 strcpy(connect_type, "(N_Port-to-N_Port)");
4557                 break;
4558
4559         case 3:
4560                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4561                 ha->switch_cap = sw_cap;
4562                 ha->operating_mode = P2P;
4563                 ha->current_topology = ISP_CFG_F;
4564                 strcpy(connect_type, "(F_Port)");
4565                 break;
4566
4567         default:
4568                 ql_dbg(ql_dbg_disc, vha, 0x200f,
4569                     "HBA in unknown topology %x, using NL.\n", topo);
4570                 ha->current_topology = ISP_CFG_NL;
4571                 strcpy(connect_type, "(Loop)");
4572                 break;
4573         }
4574
4575         /* Save Host port and loop ID. */
4576         /* byte order - Big Endian */
4577         id.b.domain = domain;
4578         id.b.area = area;
4579         id.b.al_pa = al_pa;
4580         id.b.rsvd_1 = 0;
4581         spin_lock_irqsave(&ha->hardware_lock, flags);
4582         if (!(topo == 2 && ha->flags.n2n_bigger))
4583                 qlt_update_host_map(vha, id);
4584         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4585
4586         if (!vha->flags.init_done)
4587                 ql_log(ql_log_info, vha, 0x2010,
4588                     "Topology - %s, Host Loop address 0x%x.\n",
4589                     connect_type, vha->loop_id);
4590
4591         return(rval);
4592 }
4593
4594 inline void
4595 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4596                        const char *def)
4597 {
4598         char *st, *en;
4599         uint16_t index;
4600         uint64_t zero[2] = { 0 };
4601         struct qla_hw_data *ha = vha->hw;
4602         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4603             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4604
4605         if (len > sizeof(zero))
4606                 len = sizeof(zero);
4607         if (memcmp(model, &zero, len) != 0) {
4608                 memcpy(ha->model_number, model, len);
4609                 st = en = ha->model_number;
4610                 en += len - 1;
4611                 while (en > st) {
4612                         if (*en != 0x20 && *en != 0x00)
4613                                 break;
4614                         *en-- = '\0';
4615                 }
4616
4617                 index = (ha->pdev->subsystem_device & 0xff);
4618                 if (use_tbl &&
4619                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4620                     index < QLA_MODEL_NAMES)
4621                         strlcpy(ha->model_desc,
4622                             qla2x00_model_name[index * 2 + 1],
4623                             sizeof(ha->model_desc));
4624         } else {
4625                 index = (ha->pdev->subsystem_device & 0xff);
4626                 if (use_tbl &&
4627                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4628                     index < QLA_MODEL_NAMES) {
4629                         strlcpy(ha->model_number,
4630                                 qla2x00_model_name[index * 2],
4631                                 sizeof(ha->model_number));
4632                         strlcpy(ha->model_desc,
4633                             qla2x00_model_name[index * 2 + 1],
4634                             sizeof(ha->model_desc));
4635                 } else {
4636                         strlcpy(ha->model_number, def,
4637                                 sizeof(ha->model_number));
4638                 }
4639         }
4640         if (IS_FWI2_CAPABLE(ha))
4641                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4642                     sizeof(ha->model_desc));
4643 }
4644
4645 /* On sparc systems, obtain port and node WWN from firmware
4646  * properties.
4647  */
4648 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4649 {
4650 #ifdef CONFIG_SPARC
4651         struct qla_hw_data *ha = vha->hw;
4652         struct pci_dev *pdev = ha->pdev;
4653         struct device_node *dp = pci_device_to_OF_node(pdev);
4654         const u8 *val;
4655         int len;
4656
4657         val = of_get_property(dp, "port-wwn", &len);
4658         if (val && len >= WWN_SIZE)
4659                 memcpy(nv->port_name, val, WWN_SIZE);
4660
4661         val = of_get_property(dp, "node-wwn", &len);
4662         if (val && len >= WWN_SIZE)
4663                 memcpy(nv->node_name, val, WWN_SIZE);
4664 #endif
4665 }
4666
4667 /*
4668 * NVRAM configuration for ISP 2xxx
4669 *
4670 * Input:
4671 *      ha                = adapter block pointer.
4672 *
4673 * Output:
4674 *      initialization control block in response_ring
4675 *      host adapters parameters in host adapter block
4676 *
4677 * Returns:
4678 *      0 = success.
4679 */
4680 int
4681 qla2x00_nvram_config(scsi_qla_host_t *vha)
4682 {
4683         int             rval;
4684         uint8_t         chksum = 0;
4685         uint16_t        cnt;
4686         uint8_t         *dptr1, *dptr2;
4687         struct qla_hw_data *ha = vha->hw;
4688         init_cb_t       *icb = ha->init_cb;
4689         nvram_t         *nv = ha->nvram;
4690         uint8_t         *ptr = ha->nvram;
4691         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4692
4693         rval = QLA_SUCCESS;
4694
4695         /* Determine NVRAM starting address. */
4696         ha->nvram_size = sizeof(*nv);
4697         ha->nvram_base = 0;
4698         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
4699                 if ((rd_reg_word(&reg->ctrl_status) >> 14) == 1)
4700                         ha->nvram_base = 0x80;
4701
4702         /* Get NVRAM data and calculate checksum. */
4703         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4704         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
4705                 chksum += *ptr++;
4706
4707         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
4708             "Contents of NVRAM.\n");
4709         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4710             nv, ha->nvram_size);
4711
4712         /* Bad NVRAM data, set defaults parameters. */
4713         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
4714             nv->nvram_version < 1) {
4715                 /* Reset NVRAM data. */
4716                 ql_log(ql_log_warn, vha, 0x0064,
4717                     "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n",
4718                     chksum, nv->id, nv->nvram_version);
4719                 ql_log(ql_log_warn, vha, 0x0065,
4720                     "Falling back to "
4721                     "functioning (yet invalid -- WWPN) defaults.\n");
4722
4723                 /*
4724                  * Set default initialization control block.
4725                  */
4726                 memset(nv, 0, ha->nvram_size);
4727                 nv->parameter_block_version = ICB_VERSION;
4728
4729                 if (IS_QLA23XX(ha)) {
4730                         nv->firmware_options[0] = BIT_2 | BIT_1;
4731                         nv->firmware_options[1] = BIT_7 | BIT_5;
4732                         nv->add_firmware_options[0] = BIT_5;
4733                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4734                         nv->frame_payload_size = cpu_to_le16(2048);
4735                         nv->special_options[1] = BIT_7;
4736                 } else if (IS_QLA2200(ha)) {
4737                         nv->firmware_options[0] = BIT_2 | BIT_1;
4738                         nv->firmware_options[1] = BIT_7 | BIT_5;
4739                         nv->add_firmware_options[0] = BIT_5;
4740                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4741                         nv->frame_payload_size = cpu_to_le16(1024);
4742                 } else if (IS_QLA2100(ha)) {
4743                         nv->firmware_options[0] = BIT_3 | BIT_1;
4744                         nv->firmware_options[1] = BIT_5;
4745                         nv->frame_payload_size = cpu_to_le16(1024);
4746                 }
4747
4748                 nv->max_iocb_allocation = cpu_to_le16(256);
4749                 nv->execution_throttle = cpu_to_le16(16);
4750                 nv->retry_count = 8;
4751                 nv->retry_delay = 1;
4752
4753                 nv->port_name[0] = 33;
4754                 nv->port_name[3] = 224;
4755                 nv->port_name[4] = 139;
4756
4757                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4758
4759                 nv->login_timeout = 4;
4760
4761                 /*
4762                  * Set default host adapter parameters
4763                  */
4764                 nv->host_p[1] = BIT_2;
4765                 nv->reset_delay = 5;
4766                 nv->port_down_retry_count = 8;
4767                 nv->max_luns_per_target = cpu_to_le16(8);
4768                 nv->link_down_timeout = 60;
4769
4770                 rval = 1;
4771         }
4772
4773         /* Reset Initialization control block */
4774         memset(icb, 0, ha->init_cb_size);
4775
4776         /*
4777          * Setup driver NVRAM options.
4778          */
4779         nv->firmware_options[0] |= (BIT_6 | BIT_1);
4780         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
4781         nv->firmware_options[1] |= (BIT_5 | BIT_0);
4782         nv->firmware_options[1] &= ~BIT_4;
4783
4784         if (IS_QLA23XX(ha)) {
4785                 nv->firmware_options[0] |= BIT_2;
4786                 nv->firmware_options[0] &= ~BIT_3;
4787                 nv->special_options[0] &= ~BIT_6;
4788                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
4789
4790                 if (IS_QLA2300(ha)) {
4791                         if (ha->fb_rev == FPM_2310) {
4792                                 strcpy(ha->model_number, "QLA2310");
4793                         } else {
4794                                 strcpy(ha->model_number, "QLA2300");
4795                         }
4796                 } else {
4797                         qla2x00_set_model_info(vha, nv->model_number,
4798                             sizeof(nv->model_number), "QLA23xx");
4799                 }
4800         } else if (IS_QLA2200(ha)) {
4801                 nv->firmware_options[0] |= BIT_2;
4802                 /*
4803                  * 'Point-to-point preferred, else loop' is not a safe
4804                  * connection mode setting.
4805                  */
4806                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
4807                     (BIT_5 | BIT_4)) {
4808                         /* Force 'loop preferred, else point-to-point'. */
4809                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
4810                         nv->add_firmware_options[0] |= BIT_5;
4811                 }
4812                 strcpy(ha->model_number, "QLA22xx");
4813         } else /*if (IS_QLA2100(ha))*/ {
4814                 strcpy(ha->model_number, "QLA2100");
4815         }
4816
4817         /*
4818          * Copy over NVRAM RISC parameter block to initialization control block.
4819          */
4820         dptr1 = (uint8_t *)icb;
4821         dptr2 = (uint8_t *)&nv->parameter_block_version;
4822         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
4823         while (cnt--)
4824                 *dptr1++ = *dptr2++;
4825
4826         /* Copy 2nd half. */
4827         dptr1 = (uint8_t *)icb->add_firmware_options;
4828         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
4829         while (cnt--)
4830                 *dptr1++ = *dptr2++;
4831         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
4832         /* Use alternate WWN? */
4833         if (nv->host_p[1] & BIT_7) {
4834                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4835                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4836         }
4837
4838         /* Prepare nodename */
4839         if ((icb->firmware_options[1] & BIT_6) == 0) {
4840                 /*
4841                  * Firmware will apply the following mask if the nodename was
4842                  * not provided.
4843                  */
4844                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4845                 icb->node_name[0] &= 0xF0;
4846         }
4847
4848         /*
4849          * Set host adapter parameters.
4850          */
4851
4852         /*
4853          * BIT_7 in the host-parameters section allows for modification to
4854          * internal driver logging.
4855          */
4856         if (nv->host_p[0] & BIT_7)
4857                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
4858         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
4859         /* Always load RISC code on non ISP2[12]00 chips. */
4860         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
4861                 ha->flags.disable_risc_code_load = 0;
4862         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
4863         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
4864         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
4865         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
4866         ha->flags.disable_serdes = 0;
4867
4868         ha->operating_mode =
4869             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
4870
4871         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
4872             sizeof(ha->fw_seriallink_options));
4873
4874         /* save HBA serial number */
4875         ha->serial0 = icb->port_name[5];
4876         ha->serial1 = icb->port_name[6];
4877         ha->serial2 = icb->port_name[7];
4878         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4879         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4880
4881         icb->execution_throttle = cpu_to_le16(0xFFFF);
4882
4883         ha->retry_count = nv->retry_count;
4884
4885         /* Set minimum login_timeout to 4 seconds. */
4886         if (nv->login_timeout != ql2xlogintimeout)
4887                 nv->login_timeout = ql2xlogintimeout;
4888         if (nv->login_timeout < 4)
4889                 nv->login_timeout = 4;
4890         ha->login_timeout = nv->login_timeout;
4891
4892         /* Set minimum RATOV to 100 tenths of a second. */
4893         ha->r_a_tov = 100;
4894
4895         ha->loop_reset_delay = nv->reset_delay;
4896
4897         /* Link Down Timeout = 0:
4898          *
4899          *      When Port Down timer expires we will start returning
4900          *      I/O's to OS with "DID_NO_CONNECT".
4901          *
4902          * Link Down Timeout != 0:
4903          *
4904          *       The driver waits for the link to come up after link down
4905          *       before returning I/Os to OS with "DID_NO_CONNECT".
4906          */
4907         if (nv->link_down_timeout == 0) {
4908                 ha->loop_down_abort_time =
4909                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4910         } else {
4911                 ha->link_down_timeout =  nv->link_down_timeout;
4912                 ha->loop_down_abort_time =
4913                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4914         }
4915
4916         /*
4917          * Need enough time to try and get the port back.
4918          */
4919         ha->port_down_retry_count = nv->port_down_retry_count;
4920         if (qlport_down_retry)
4921                 ha->port_down_retry_count = qlport_down_retry;
4922         /* Set login_retry_count */
4923         ha->login_retry_count  = nv->retry_count;
4924         if (ha->port_down_retry_count == nv->port_down_retry_count &&
4925             ha->port_down_retry_count > 3)
4926                 ha->login_retry_count = ha->port_down_retry_count;
4927         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4928                 ha->login_retry_count = ha->port_down_retry_count;
4929         if (ql2xloginretrycount)
4930                 ha->login_retry_count = ql2xloginretrycount;
4931
4932         icb->lun_enables = cpu_to_le16(0);
4933         icb->command_resource_count = 0;
4934         icb->immediate_notify_resource_count = 0;
4935         icb->timeout = cpu_to_le16(0);
4936
4937         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4938                 /* Enable RIO */
4939                 icb->firmware_options[0] &= ~BIT_3;
4940                 icb->add_firmware_options[0] &=
4941                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4942                 icb->add_firmware_options[0] |= BIT_2;
4943                 icb->response_accumulation_timer = 3;
4944                 icb->interrupt_delay_timer = 5;
4945
4946                 vha->flags.process_response_queue = 1;
4947         } else {
4948                 /* Enable ZIO. */
4949                 if (!vha->flags.init_done) {
4950                         ha->zio_mode = icb->add_firmware_options[0] &
4951                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4952                         ha->zio_timer = icb->interrupt_delay_timer ?
4953                             icb->interrupt_delay_timer : 2;
4954                 }
4955                 icb->add_firmware_options[0] &=
4956                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4957                 vha->flags.process_response_queue = 0;
4958                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4959                         ha->zio_mode = QLA_ZIO_MODE_6;
4960
4961                         ql_log(ql_log_info, vha, 0x0068,
4962                             "ZIO mode %d enabled; timer delay (%d us).\n",
4963                             ha->zio_mode, ha->zio_timer * 100);
4964
4965                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
4966                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
4967                         vha->flags.process_response_queue = 1;
4968                 }
4969         }
4970
4971         if (rval) {
4972                 ql_log(ql_log_warn, vha, 0x0069,
4973                     "NVRAM configuration failed.\n");
4974         }
4975         return (rval);
4976 }
4977
4978 static void
4979 qla2x00_rport_del(void *data)
4980 {
4981         fc_port_t *fcport = data;
4982         struct fc_rport *rport;
4983         unsigned long flags;
4984
4985         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4986         rport = fcport->drport ? fcport->drport : fcport->rport;
4987         fcport->drport = NULL;
4988         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4989         if (rport) {
4990                 ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
4991                     "%s %8phN. rport %p roles %x\n",
4992                     __func__, fcport->port_name, rport,
4993                     rport->roles);
4994
4995                 fc_remote_port_delete(rport);
4996         }
4997 }
4998
4999 void qla2x00_set_fcport_state(fc_port_t *fcport, int state)
5000 {
5001         int old_state;
5002
5003         old_state = atomic_read(&fcport->state);
5004         atomic_set(&fcport->state, state);
5005
5006         /* Don't print state transitions during initial allocation of fcport */
5007         if (old_state && old_state != state) {
5008                 ql_dbg(ql_dbg_disc, fcport->vha, 0x207d,
5009                        "FCPort %8phC state transitioned from %s to %s - portid=%02x%02x%02x.\n",
5010                        fcport->port_name, port_state_str[old_state],
5011                        port_state_str[state], fcport->d_id.b.domain,
5012                        fcport->d_id.b.area, fcport->d_id.b.al_pa);
5013         }
5014 }
5015
5016 /**
5017  * qla2x00_alloc_fcport() - Allocate a generic fcport.
5018  * @vha: HA context
5019  * @flags: allocation flags
5020  *
5021  * Returns a pointer to the allocated fcport, or NULL, if none available.
5022  */
5023 fc_port_t *
5024 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
5025 {
5026         fc_port_t *fcport;
5027
5028         fcport = kzalloc(sizeof(fc_port_t), flags);
5029         if (!fcport)
5030                 return NULL;
5031
5032         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
5033                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
5034                 flags);
5035         if (!fcport->ct_desc.ct_sns) {
5036                 ql_log(ql_log_warn, vha, 0xd049,
5037                     "Failed to allocate ct_sns request.\n");
5038                 kfree(fcport);
5039                 return NULL;
5040         }
5041
5042         /* Setup fcport template structure. */
5043         fcport->vha = vha;
5044         fcport->port_type = FCT_UNKNOWN;
5045         fcport->loop_id = FC_NO_LOOP_ID;
5046         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
5047         fcport->supported_classes = FC_COS_UNSPECIFIED;
5048         fcport->fp_speed = PORT_SPEED_UNKNOWN;
5049
5050         fcport->disc_state = DSC_DELETED;
5051         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
5052         fcport->deleted = QLA_SESS_DELETED;
5053         fcport->login_retry = vha->hw->login_retry_count;
5054         fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5055         fcport->logout_on_delete = 1;
5056         fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
5057         fcport->tgt_short_link_down_cnt = 0;
5058         fcport->dev_loss_tmo = 0;
5059
5060         if (!fcport->ct_desc.ct_sns) {
5061                 ql_log(ql_log_warn, vha, 0xd049,
5062                     "Failed to allocate ct_sns request.\n");
5063                 kfree(fcport);
5064                 return NULL;
5065         }
5066
5067         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
5068         INIT_WORK(&fcport->free_work, qlt_free_session_done);
5069         INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
5070         INIT_LIST_HEAD(&fcport->gnl_entry);
5071         INIT_LIST_HEAD(&fcport->list);
5072
5073         INIT_LIST_HEAD(&fcport->sess_cmd_list);
5074         spin_lock_init(&fcport->sess_cmd_lock);
5075
5076         return fcport;
5077 }
5078
5079 void
5080 qla2x00_free_fcport(fc_port_t *fcport)
5081 {
5082         if (fcport->ct_desc.ct_sns) {
5083                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
5084                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
5085                         fcport->ct_desc.ct_sns_dma);
5086
5087                 fcport->ct_desc.ct_sns = NULL;
5088         }
5089         list_del(&fcport->list);
5090         qla2x00_clear_loop_id(fcport);
5091         kfree(fcport);
5092 }
5093
5094 static void qla_get_login_template(scsi_qla_host_t *vha)
5095 {
5096         struct qla_hw_data *ha = vha->hw;
5097         int rval;
5098         u32 *bp, sz;
5099         __be32 *q;
5100
5101         memset(ha->init_cb, 0, ha->init_cb_size);
5102         sz = min_t(int, sizeof(struct fc_els_flogi), ha->init_cb_size);
5103         rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
5104                                             ha->init_cb, sz);
5105         if (rval != QLA_SUCCESS) {
5106                 ql_dbg(ql_dbg_init, vha, 0x00d1,
5107                        "PLOGI ELS param read fail.\n");
5108                 return;
5109         }
5110         q = (__be32 *)&ha->plogi_els_payld.fl_csp;
5111
5112         bp = (uint32_t *)ha->init_cb;
5113         cpu_to_be32_array(q, bp, sz / 4);
5114         ha->flags.plogi_template_valid = 1;
5115 }
5116
5117 /*
5118  * qla2x00_configure_loop
5119  *      Updates Fibre Channel Device Database with what is actually on loop.
5120  *
5121  * Input:
5122  *      ha                = adapter block pointer.
5123  *
5124  * Returns:
5125  *      0 = success.
5126  *      1 = error.
5127  *      2 = database was full and device was not configured.
5128  */
5129 static int
5130 qla2x00_configure_loop(scsi_qla_host_t *vha)
5131 {
5132         int  rval;
5133         unsigned long flags, save_flags;
5134         struct qla_hw_data *ha = vha->hw;
5135
5136         rval = QLA_SUCCESS;
5137
5138         /* Get Initiator ID */
5139         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
5140                 rval = qla2x00_configure_hba(vha);
5141                 if (rval != QLA_SUCCESS) {
5142                         ql_dbg(ql_dbg_disc, vha, 0x2013,
5143                             "Unable to configure HBA.\n");
5144                         return (rval);
5145                 }
5146         }
5147
5148         save_flags = flags = vha->dpc_flags;
5149         ql_dbg(ql_dbg_disc, vha, 0x2014,
5150             "Configure loop -- dpc flags = 0x%lx.\n", flags);
5151
5152         /*
5153          * If we have both an RSCN and PORT UPDATE pending then handle them
5154          * both at the same time.
5155          */
5156         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5157         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
5158
5159         qla2x00_get_data_rate(vha);
5160         qla_get_login_template(vha);
5161
5162         /* Determine what we need to do */
5163         if ((ha->current_topology == ISP_CFG_FL ||
5164             ha->current_topology == ISP_CFG_F) &&
5165             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
5166
5167                 set_bit(RSCN_UPDATE, &flags);
5168                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
5169
5170         } else if (ha->current_topology == ISP_CFG_NL ||
5171                    ha->current_topology == ISP_CFG_N) {
5172                 clear_bit(RSCN_UPDATE, &flags);
5173                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5174         } else if (!vha->flags.online ||
5175             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
5176                 set_bit(RSCN_UPDATE, &flags);
5177                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5178         }
5179
5180         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
5181                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5182                         ql_dbg(ql_dbg_disc, vha, 0x2015,
5183                             "Loop resync needed, failing.\n");
5184                         rval = QLA_FUNCTION_FAILED;
5185                 } else
5186                         rval = qla2x00_configure_local_loop(vha);
5187         }
5188
5189         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
5190                 if (LOOP_TRANSITION(vha)) {
5191                         ql_dbg(ql_dbg_disc, vha, 0x2099,
5192                             "Needs RSCN update and loop transition.\n");
5193                         rval = QLA_FUNCTION_FAILED;
5194                 }
5195                 else
5196                         rval = qla2x00_configure_fabric(vha);
5197         }
5198
5199         if (rval == QLA_SUCCESS) {
5200                 if (atomic_read(&vha->loop_down_timer) ||
5201                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5202                         rval = QLA_FUNCTION_FAILED;
5203                 } else {
5204                         atomic_set(&vha->loop_state, LOOP_READY);
5205                         ql_dbg(ql_dbg_disc, vha, 0x2069,
5206                             "LOOP READY.\n");
5207                         ha->flags.fw_init_done = 1;
5208
5209                         /*
5210                          * Process any ATIO queue entries that came in
5211                          * while we weren't online.
5212                          */
5213                         if (qla_tgt_mode_enabled(vha) ||
5214                             qla_dual_mode_enabled(vha)) {
5215                                 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
5216                                 qlt_24xx_process_atio_queue(vha, 0);
5217                                 spin_unlock_irqrestore(&ha->tgt.atio_lock,
5218                                     flags);
5219                         }
5220                 }
5221         }
5222
5223         if (rval) {
5224                 ql_dbg(ql_dbg_disc, vha, 0x206a,
5225                     "%s *** FAILED ***.\n", __func__);
5226         } else {
5227                 ql_dbg(ql_dbg_disc, vha, 0x206b,
5228                     "%s: exiting normally.\n", __func__);
5229         }
5230
5231         /* Restore state if a resync event occurred during processing */
5232         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5233                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
5234                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5235                 if (test_bit(RSCN_UPDATE, &save_flags)) {
5236                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
5237                 }
5238         }
5239
5240         return (rval);
5241 }
5242
5243 static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha)
5244 {
5245         unsigned long flags;
5246         fc_port_t *fcport;
5247
5248         if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags))
5249                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5250
5251         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5252                 if (fcport->n2n_flag) {
5253                         qla24xx_fcport_handle_login(vha, fcport);
5254                         return QLA_SUCCESS;
5255                 }
5256         }
5257
5258         spin_lock_irqsave(&vha->work_lock, flags);
5259         vha->scan.scan_retry++;
5260         spin_unlock_irqrestore(&vha->work_lock, flags);
5261
5262         if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5263                 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5264                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5265         }
5266         return QLA_FUNCTION_FAILED;
5267 }
5268
5269 /*
5270  * qla2x00_configure_local_loop
5271  *      Updates Fibre Channel Device Database with local loop devices.
5272  *
5273  * Input:
5274  *      ha = adapter block pointer.
5275  *
5276  * Returns:
5277  *      0 = success.
5278  */
5279 static int
5280 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
5281 {
5282         int             rval, rval2;
5283         int             found_devs;
5284         int             found;
5285         fc_port_t       *fcport, *new_fcport;
5286         uint16_t        index;
5287         uint16_t        entries;
5288         struct gid_list_info *gid;
5289         uint16_t        loop_id;
5290         uint8_t         domain, area, al_pa;
5291         struct qla_hw_data *ha = vha->hw;
5292         unsigned long flags;
5293
5294         /* Inititae N2N login. */
5295         if (N2N_TOPO(ha))
5296                 return qla2x00_configure_n2n_loop(vha);
5297
5298         found_devs = 0;
5299         new_fcport = NULL;
5300         entries = MAX_FIBRE_DEVICES_LOOP;
5301
5302         /* Get list of logged in devices. */
5303         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
5304         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
5305             &entries);
5306         if (rval != QLA_SUCCESS)
5307                 goto err;
5308
5309         ql_dbg(ql_dbg_disc, vha, 0x2011,
5310             "Entries in ID list (%d).\n", entries);
5311         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
5312             ha->gid_list, entries * sizeof(*ha->gid_list));
5313
5314         if (entries == 0) {
5315                 spin_lock_irqsave(&vha->work_lock, flags);
5316                 vha->scan.scan_retry++;
5317                 spin_unlock_irqrestore(&vha->work_lock, flags);
5318
5319                 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5320                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5321                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5322                 }
5323         } else {
5324                 vha->scan.scan_retry = 0;
5325         }
5326
5327         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5328                 fcport->scan_state = QLA_FCPORT_SCAN;
5329         }
5330
5331         /* Allocate temporary fcport for any new fcports discovered. */
5332         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5333         if (new_fcport == NULL) {
5334                 ql_log(ql_log_warn, vha, 0x2012,
5335                     "Memory allocation failed for fcport.\n");
5336                 rval = QLA_MEMORY_ALLOC_FAILED;
5337                 goto err;
5338         }
5339         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5340
5341         /* Add devices to port list. */
5342         gid = ha->gid_list;
5343         for (index = 0; index < entries; index++) {
5344                 domain = gid->domain;
5345                 area = gid->area;
5346                 al_pa = gid->al_pa;
5347                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
5348                         loop_id = gid->loop_id_2100;
5349                 else
5350                         loop_id = le16_to_cpu(gid->loop_id);
5351                 gid = (void *)gid + ha->gid_list_info_size;
5352
5353                 /* Bypass reserved domain fields. */
5354                 if ((domain & 0xf0) == 0xf0)
5355                         continue;
5356
5357                 /* Bypass if not same domain and area of adapter. */
5358                 if (area && domain && ((area != vha->d_id.b.area) ||
5359                     (domain != vha->d_id.b.domain)) &&
5360                     (ha->current_topology == ISP_CFG_NL))
5361                         continue;
5362
5363
5364                 /* Bypass invalid local loop ID. */
5365                 if (loop_id > LAST_LOCAL_LOOP_ID)
5366                         continue;
5367
5368                 memset(new_fcport->port_name, 0, WWN_SIZE);
5369
5370                 /* Fill in member data. */
5371                 new_fcport->d_id.b.domain = domain;
5372                 new_fcport->d_id.b.area = area;
5373                 new_fcport->d_id.b.al_pa = al_pa;
5374                 new_fcport->loop_id = loop_id;
5375                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5376
5377                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5378                 if (rval2 != QLA_SUCCESS) {
5379                         ql_dbg(ql_dbg_disc, vha, 0x2097,
5380                             "Failed to retrieve fcport information "
5381                             "-- get_port_database=%x, loop_id=0x%04x.\n",
5382                             rval2, new_fcport->loop_id);
5383                         /* Skip retry if N2N */
5384                         if (ha->current_topology != ISP_CFG_N) {
5385                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
5386                                     "Scheduling resync.\n");
5387                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5388                                 continue;
5389                         }
5390                 }
5391
5392                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5393                 /* Check for matching device in port list. */
5394                 found = 0;
5395                 fcport = NULL;
5396                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5397                         if (memcmp(new_fcport->port_name, fcport->port_name,
5398                             WWN_SIZE))
5399                                 continue;
5400
5401                         fcport->flags &= ~FCF_FABRIC_DEVICE;
5402                         fcport->loop_id = new_fcport->loop_id;
5403                         fcport->port_type = new_fcport->port_type;
5404                         fcport->d_id.b24 = new_fcport->d_id.b24;
5405                         memcpy(fcport->node_name, new_fcport->node_name,
5406                             WWN_SIZE);
5407                         fcport->scan_state = QLA_FCPORT_FOUND;
5408                         found++;
5409                         break;
5410                 }
5411
5412                 if (!found) {
5413                         /* New device, add to fcports list. */
5414                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
5415
5416                         /* Allocate a new replacement fcport. */
5417                         fcport = new_fcport;
5418
5419                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5420
5421                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5422
5423                         if (new_fcport == NULL) {
5424                                 ql_log(ql_log_warn, vha, 0xd031,
5425                                     "Failed to allocate memory for fcport.\n");
5426                                 rval = QLA_MEMORY_ALLOC_FAILED;
5427                                 goto err;
5428                         }
5429                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5430                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5431                 }
5432
5433                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5434
5435                 /* Base iIDMA settings on HBA port speed. */
5436                 fcport->fp_speed = ha->link_data_rate;
5437
5438                 found_devs++;
5439         }
5440
5441         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5442                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5443                         break;
5444
5445                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5446                         if ((qla_dual_mode_enabled(vha) ||
5447                             qla_ini_mode_enabled(vha)) &&
5448                             atomic_read(&fcport->state) == FCS_ONLINE) {
5449                                 qla2x00_mark_device_lost(vha, fcport,
5450                                         ql2xplogiabsentdevice);
5451                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5452                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5453                                     fcport->port_type != FCT_INITIATOR &&
5454                                     fcport->port_type != FCT_BROADCAST) {
5455                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5456                                             "%s %d %8phC post del sess\n",
5457                                             __func__, __LINE__,
5458                                             fcport->port_name);
5459
5460                                         qlt_schedule_sess_for_deletion(fcport);
5461                                         continue;
5462                                 }
5463                         }
5464                 }
5465
5466                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5467                         qla24xx_fcport_handle_login(vha, fcport);
5468         }
5469
5470         qla2x00_free_fcport(new_fcport);
5471
5472         return rval;
5473
5474 err:
5475         ql_dbg(ql_dbg_disc, vha, 0x2098,
5476                "Configure local loop error exit: rval=%x.\n", rval);
5477         return rval;
5478 }
5479
5480 static void
5481 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5482 {
5483         int rval;
5484         uint16_t mb[MAILBOX_REGISTER_COUNT];
5485         struct qla_hw_data *ha = vha->hw;
5486
5487         if (!IS_IIDMA_CAPABLE(ha))
5488                 return;
5489
5490         if (atomic_read(&fcport->state) != FCS_ONLINE)
5491                 return;
5492
5493         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5494             fcport->fp_speed > ha->link_data_rate ||
5495             !ha->flags.gpsc_supported)
5496                 return;
5497
5498         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5499             mb);
5500         if (rval != QLA_SUCCESS) {
5501                 ql_dbg(ql_dbg_disc, vha, 0x2004,
5502                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5503                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5504         } else {
5505                 ql_dbg(ql_dbg_disc, vha, 0x2005,
5506                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5507                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5508                     fcport->fp_speed, fcport->port_name);
5509         }
5510 }
5511
5512 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5513 {
5514         qla2x00_iidma_fcport(vha, fcport);
5515         qla24xx_update_fcport_fcp_prio(vha, fcport);
5516 }
5517
5518 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5519 {
5520         struct qla_work_evt *e;
5521
5522         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5523         if (!e)
5524                 return QLA_FUNCTION_FAILED;
5525
5526         e->u.fcport.fcport = fcport;
5527         return qla2x00_post_work(vha, e);
5528 }
5529
5530 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5531 static void
5532 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5533 {
5534         struct fc_rport_identifiers rport_ids;
5535         struct fc_rport *rport;
5536         unsigned long flags;
5537
5538         if (atomic_read(&fcport->state) == FCS_ONLINE)
5539                 return;
5540
5541         rport_ids.node_name = wwn_to_u64(fcport->node_name);
5542         rport_ids.port_name = wwn_to_u64(fcport->port_name);
5543         rport_ids.port_id = fcport->d_id.b.domain << 16 |
5544             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5545         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5546         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5547         if (!rport) {
5548                 ql_log(ql_log_warn, vha, 0x2006,
5549                     "Unable to allocate fc remote port.\n");
5550                 return;
5551         }
5552
5553         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5554         *((fc_port_t **)rport->dd_data) = fcport;
5555         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5556         fcport->dev_loss_tmo = rport->dev_loss_tmo;
5557
5558         rport->supported_classes = fcport->supported_classes;
5559
5560         rport_ids.roles = FC_PORT_ROLE_UNKNOWN;
5561         if (fcport->port_type == FCT_INITIATOR)
5562                 rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR;
5563         if (fcport->port_type == FCT_TARGET)
5564                 rport_ids.roles |= FC_PORT_ROLE_FCP_TARGET;
5565         if (fcport->port_type & FCT_NVME_INITIATOR)
5566                 rport_ids.roles |= FC_PORT_ROLE_NVME_INITIATOR;
5567         if (fcport->port_type & FCT_NVME_TARGET)
5568                 rport_ids.roles |= FC_PORT_ROLE_NVME_TARGET;
5569         if (fcport->port_type & FCT_NVME_DISCOVERY)
5570                 rport_ids.roles |= FC_PORT_ROLE_NVME_DISCOVERY;
5571
5572         fc_remote_port_rolechg(rport, rport_ids.roles);
5573
5574         ql_dbg(ql_dbg_disc, vha, 0x20ee,
5575             "%s: %8phN. rport %ld:0:%d (%p) is %s mode\n",
5576             __func__, fcport->port_name, vha->host_no,
5577             rport->scsi_target_id, rport,
5578             (fcport->port_type == FCT_TARGET) ? "tgt" :
5579             ((fcport->port_type & FCT_NVME) ? "nvme" : "ini"));
5580 }
5581
5582 /*
5583  * qla2x00_update_fcport
5584  *      Updates device on list.
5585  *
5586  * Input:
5587  *      ha = adapter block pointer.
5588  *      fcport = port structure pointer.
5589  *
5590  * Return:
5591  *      0  - Success
5592  *  BIT_0 - error
5593  *
5594  * Context:
5595  *      Kernel context.
5596  */
5597 void
5598 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5599 {
5600         if (IS_SW_RESV_ADDR(fcport->d_id))
5601                 return;
5602
5603         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5604             __func__, fcport->port_name);
5605
5606         qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5607         fcport->login_retry = vha->hw->login_retry_count;
5608         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5609         fcport->deleted = 0;
5610         if (vha->hw->current_topology == ISP_CFG_NL)
5611                 fcport->logout_on_delete = 0;
5612         else
5613                 fcport->logout_on_delete = 1;
5614         fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
5615
5616         if (fcport->tgt_link_down_time < fcport->dev_loss_tmo) {
5617                 fcport->tgt_short_link_down_cnt++;
5618                 fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
5619         }
5620
5621         switch (vha->hw->current_topology) {
5622         case ISP_CFG_N:
5623         case ISP_CFG_NL:
5624                 fcport->keep_nport_handle = 1;
5625                 break;
5626         default:
5627                 break;
5628         }
5629
5630         qla2x00_iidma_fcport(vha, fcport);
5631
5632         qla2x00_dfs_create_rport(vha, fcport);
5633
5634         if (NVME_TARGET(vha->hw, fcport)) {
5635                 qla_nvme_register_remote(vha, fcport);
5636                 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5637                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5638                 return;
5639         }
5640
5641         qla24xx_update_fcport_fcp_prio(vha, fcport);
5642
5643         switch (vha->host->active_mode) {
5644         case MODE_INITIATOR:
5645                 qla2x00_reg_remote_port(vha, fcport);
5646                 break;
5647         case MODE_TARGET:
5648                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5649                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5650                         qlt_fc_port_added(vha, fcport);
5651                 break;
5652         case MODE_DUAL:
5653                 qla2x00_reg_remote_port(vha, fcport);
5654                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5655                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5656                         qlt_fc_port_added(vha, fcport);
5657                 break;
5658         default:
5659                 break;
5660         }
5661
5662         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5663
5664         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5665                 if (fcport->id_changed) {
5666                         fcport->id_changed = 0;
5667                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5668                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
5669                             __func__, __LINE__, fcport->port_name,
5670                             vha->fcport_count);
5671                         qla24xx_post_gfpnid_work(vha, fcport);
5672                 } else {
5673                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5674                             "%s %d %8phC post gpsc fcp_cnt %d\n",
5675                             __func__, __LINE__, fcport->port_name,
5676                             vha->fcport_count);
5677                         qla24xx_post_gpsc_work(vha, fcport);
5678                 }
5679         }
5680
5681         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5682 }
5683
5684 void qla_register_fcport_fn(struct work_struct *work)
5685 {
5686         fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
5687         u32 rscn_gen = fcport->rscn_gen;
5688         u16 data[2];
5689
5690         if (IS_SW_RESV_ADDR(fcport->d_id))
5691                 return;
5692
5693         qla2x00_update_fcport(fcport->vha, fcport);
5694
5695         if (rscn_gen != fcport->rscn_gen) {
5696                 /* RSCN(s) came in while registration */
5697                 switch (fcport->next_disc_state) {
5698                 case DSC_DELETE_PEND:
5699                         qlt_schedule_sess_for_deletion(fcport);
5700                         break;
5701                 case DSC_ADISC:
5702                         data[0] = data[1] = 0;
5703                         qla2x00_post_async_adisc_work(fcport->vha, fcport,
5704                             data);
5705                         break;
5706                 default:
5707                         break;
5708                 }
5709         }
5710 }
5711
5712 /*
5713  * qla2x00_configure_fabric
5714  *      Setup SNS devices with loop ID's.
5715  *
5716  * Input:
5717  *      ha = adapter block pointer.
5718  *
5719  * Returns:
5720  *      0 = success.
5721  *      BIT_0 = error
5722  */
5723 static int
5724 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5725 {
5726         int     rval;
5727         fc_port_t       *fcport;
5728         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5729         uint16_t        loop_id;
5730         LIST_HEAD(new_fcports);
5731         struct qla_hw_data *ha = vha->hw;
5732         int             discovery_gen;
5733
5734         /* If FL port exists, then SNS is present */
5735         if (IS_FWI2_CAPABLE(ha))
5736                 loop_id = NPH_F_PORT;
5737         else
5738                 loop_id = SNS_FL_PORT;
5739         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5740         if (rval != QLA_SUCCESS) {
5741                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
5742                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
5743
5744                 vha->device_flags &= ~SWITCH_FOUND;
5745                 return (QLA_SUCCESS);
5746         }
5747         vha->device_flags |= SWITCH_FOUND;
5748
5749         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_port_name, 0);
5750         if (rval != QLA_SUCCESS)
5751                 ql_dbg(ql_dbg_disc, vha, 0x20ff,
5752                     "Failed to get Fabric Port Name\n");
5753
5754         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5755                 rval = qla2x00_send_change_request(vha, 0x3, 0);
5756                 if (rval != QLA_SUCCESS)
5757                         ql_log(ql_log_warn, vha, 0x121,
5758                             "Failed to enable receiving of RSCN requests: 0x%x.\n",
5759                             rval);
5760         }
5761
5762         do {
5763                 qla2x00_mgmt_svr_login(vha);
5764
5765                 /* Ensure we are logged into the SNS. */
5766                 loop_id = NPH_SNS_LID(ha);
5767                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5768                     0xfc, mb, BIT_1|BIT_0);
5769                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5770                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
5771                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
5772                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5773                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5774                         return rval;
5775                 }
5776
5777                 /* FDMI support. */
5778                 if (ql2xfdmienable &&
5779                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
5780                         qla2x00_fdmi_register(vha);
5781
5782                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
5783                         if (qla2x00_rft_id(vha)) {
5784                                 /* EMPTY */
5785                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
5786                                     "Register FC-4 TYPE failed.\n");
5787                                 if (test_bit(LOOP_RESYNC_NEEDED,
5788                                     &vha->dpc_flags))
5789                                         break;
5790                         }
5791                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
5792                                 /* EMPTY */
5793                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
5794                                     "Register FC-4 Features failed.\n");
5795                                 if (test_bit(LOOP_RESYNC_NEEDED,
5796                                     &vha->dpc_flags))
5797                                         break;
5798                         }
5799                         if (vha->flags.nvme_enabled) {
5800                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
5801                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
5802                                             "Register NVME FC Type Features failed.\n");
5803                                 }
5804                         }
5805                         if (qla2x00_rnn_id(vha)) {
5806                                 /* EMPTY */
5807                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
5808                                     "Register Node Name failed.\n");
5809                                 if (test_bit(LOOP_RESYNC_NEEDED,
5810                                     &vha->dpc_flags))
5811                                         break;
5812                         } else if (qla2x00_rsnn_nn(vha)) {
5813                                 /* EMPTY */
5814                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
5815                                     "Register Symbolic Node Name failed.\n");
5816                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5817                                         break;
5818                         }
5819                 }
5820
5821
5822                 /* Mark the time right before querying FW for connected ports.
5823                  * This process is long, asynchronous and by the time it's done,
5824                  * collected information might not be accurate anymore. E.g.
5825                  * disconnected port might have re-connected and a brand new
5826                  * session has been created. In this case session's generation
5827                  * will be newer than discovery_gen. */
5828                 qlt_do_generation_tick(vha, &discovery_gen);
5829
5830                 if (USE_ASYNC_SCAN(ha)) {
5831                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
5832                             NULL);
5833                         if (rval)
5834                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5835                 } else  {
5836                         list_for_each_entry(fcport, &vha->vp_fcports, list)
5837                                 fcport->scan_state = QLA_FCPORT_SCAN;
5838
5839                         rval = qla2x00_find_all_fabric_devs(vha);
5840                 }
5841                 if (rval != QLA_SUCCESS)
5842                         break;
5843         } while (0);
5844
5845         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
5846                 qla_nvme_register_hba(vha);
5847
5848         if (rval)
5849                 ql_dbg(ql_dbg_disc, vha, 0x2068,
5850                     "Configure fabric error exit rval=%d.\n", rval);
5851
5852         return (rval);
5853 }
5854
5855 /*
5856  * qla2x00_find_all_fabric_devs
5857  *
5858  * Input:
5859  *      ha = adapter block pointer.
5860  *      dev = database device entry pointer.
5861  *
5862  * Returns:
5863  *      0 = success.
5864  *
5865  * Context:
5866  *      Kernel context.
5867  */
5868 static int
5869 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
5870 {
5871         int             rval;
5872         uint16_t        loop_id;
5873         fc_port_t       *fcport, *new_fcport;
5874         int             found;
5875
5876         sw_info_t       *swl;
5877         int             swl_idx;
5878         int             first_dev, last_dev;
5879         port_id_t       wrap = {}, nxt_d_id;
5880         struct qla_hw_data *ha = vha->hw;
5881         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5882         unsigned long flags;
5883
5884         rval = QLA_SUCCESS;
5885
5886         /* Try GID_PT to get device list, else GAN. */
5887         if (!ha->swl)
5888                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5889                     GFP_KERNEL);
5890         swl = ha->swl;
5891         if (!swl) {
5892                 /*EMPTY*/
5893                 ql_dbg(ql_dbg_disc, vha, 0x209c,
5894                     "GID_PT allocations failed, fallback on GA_NXT.\n");
5895         } else {
5896                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5897                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
5898                         swl = NULL;
5899                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5900                                 return rval;
5901                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
5902                         swl = NULL;
5903                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5904                                 return rval;
5905                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
5906                         swl = NULL;
5907                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5908                                 return rval;
5909                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
5910                         swl = NULL;
5911                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5912                                 return rval;
5913                 }
5914
5915                 /* If other queries succeeded probe for FC-4 type */
5916                 if (swl) {
5917                         qla2x00_gff_id(vha, swl);
5918                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5919                                 return rval;
5920                 }
5921         }
5922         swl_idx = 0;
5923
5924         /* Allocate temporary fcport for any new fcports discovered. */
5925         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5926         if (new_fcport == NULL) {
5927                 ql_log(ql_log_warn, vha, 0x209d,
5928                     "Failed to allocate memory for fcport.\n");
5929                 return (QLA_MEMORY_ALLOC_FAILED);
5930         }
5931         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5932         /* Set start port ID scan at adapter ID. */
5933         first_dev = 1;
5934         last_dev = 0;
5935
5936         /* Starting free loop ID. */
5937         loop_id = ha->min_external_loopid;
5938         for (; loop_id <= ha->max_loop_id; loop_id++) {
5939                 if (qla2x00_is_reserved_id(vha, loop_id))
5940                         continue;
5941
5942                 if (ha->current_topology == ISP_CFG_FL &&
5943                     (atomic_read(&vha->loop_down_timer) ||
5944                      LOOP_TRANSITION(vha))) {
5945                         atomic_set(&vha->loop_down_timer, 0);
5946                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5947                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5948                         break;
5949                 }
5950
5951                 if (swl != NULL) {
5952                         if (last_dev) {
5953                                 wrap.b24 = new_fcport->d_id.b24;
5954                         } else {
5955                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
5956                                 memcpy(new_fcport->node_name,
5957                                     swl[swl_idx].node_name, WWN_SIZE);
5958                                 memcpy(new_fcport->port_name,
5959                                     swl[swl_idx].port_name, WWN_SIZE);
5960                                 memcpy(new_fcport->fabric_port_name,
5961                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
5962                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
5963                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
5964
5965                                 new_fcport->nvme_flag = 0;
5966                                 if (vha->flags.nvme_enabled &&
5967                                     swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) {
5968                                         ql_log(ql_log_info, vha, 0x2131,
5969                                             "FOUND: NVME port %8phC as FC Type 28h\n",
5970                                             new_fcport->port_name);
5971                                 }
5972
5973                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
5974                                         last_dev = 1;
5975                                 }
5976                                 swl_idx++;
5977                         }
5978                 } else {
5979                         /* Send GA_NXT to the switch */
5980                         rval = qla2x00_ga_nxt(vha, new_fcport);
5981                         if (rval != QLA_SUCCESS) {
5982                                 ql_log(ql_log_warn, vha, 0x209e,
5983                                     "SNS scan failed -- assuming "
5984                                     "zero-entry result.\n");
5985                                 rval = QLA_SUCCESS;
5986                                 break;
5987                         }
5988                 }
5989
5990                 /* If wrap on switch device list, exit. */
5991                 if (first_dev) {
5992                         wrap.b24 = new_fcport->d_id.b24;
5993                         first_dev = 0;
5994                 } else if (new_fcport->d_id.b24 == wrap.b24) {
5995                         ql_dbg(ql_dbg_disc, vha, 0x209f,
5996                             "Device wrap (%02x%02x%02x).\n",
5997                             new_fcport->d_id.b.domain,
5998                             new_fcport->d_id.b.area,
5999                             new_fcport->d_id.b.al_pa);
6000                         break;
6001                 }
6002
6003                 /* Bypass if same physical adapter. */
6004                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
6005                         continue;
6006
6007                 /* Bypass virtual ports of the same host. */
6008                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
6009                         continue;
6010
6011                 /* Bypass if same domain and area of adapter. */
6012                 if (((new_fcport->d_id.b24 & 0xffff00) ==
6013                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
6014                         ISP_CFG_FL)
6015                             continue;
6016
6017                 /* Bypass reserved domain fields. */
6018                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
6019                         continue;
6020
6021                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
6022                 if (ql2xgffidenable &&
6023                     (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) &&
6024                     new_fcport->fc4_type != 0))
6025                         continue;
6026
6027                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
6028
6029                 /* Locate matching device in database. */
6030                 found = 0;
6031                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6032                         if (memcmp(new_fcport->port_name, fcport->port_name,
6033                             WWN_SIZE))
6034                                 continue;
6035
6036                         fcport->scan_state = QLA_FCPORT_FOUND;
6037
6038                         found++;
6039
6040                         /* Update port state. */
6041                         memcpy(fcport->fabric_port_name,
6042                             new_fcport->fabric_port_name, WWN_SIZE);
6043                         fcport->fp_speed = new_fcport->fp_speed;
6044
6045                         /*
6046                          * If address the same and state FCS_ONLINE
6047                          * (or in target mode), nothing changed.
6048                          */
6049                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
6050                             (atomic_read(&fcport->state) == FCS_ONLINE ||
6051                              (vha->host->active_mode == MODE_TARGET))) {
6052                                 break;
6053                         }
6054
6055                         if (fcport->login_retry == 0)
6056                                 fcport->login_retry =
6057                                         vha->hw->login_retry_count;
6058                         /*
6059                          * If device was not a fabric device before.
6060                          */
6061                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
6062                                 fcport->d_id.b24 = new_fcport->d_id.b24;
6063                                 qla2x00_clear_loop_id(fcport);
6064                                 fcport->flags |= (FCF_FABRIC_DEVICE |
6065                                     FCF_LOGIN_NEEDED);
6066                                 break;
6067                         }
6068
6069                         /*
6070                          * Port ID changed or device was marked to be updated;
6071                          * Log it out if still logged in and mark it for
6072                          * relogin later.
6073                          */
6074                         if (qla_tgt_mode_enabled(base_vha)) {
6075                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
6076                                          "port changed FC ID, %8phC"
6077                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
6078                                          fcport->port_name,
6079                                          fcport->d_id.b.domain,
6080                                          fcport->d_id.b.area,
6081                                          fcport->d_id.b.al_pa,
6082                                          fcport->loop_id,
6083                                          new_fcport->d_id.b.domain,
6084                                          new_fcport->d_id.b.area,
6085                                          new_fcport->d_id.b.al_pa);
6086                                 fcport->d_id.b24 = new_fcport->d_id.b24;
6087                                 break;
6088                         }
6089
6090                         fcport->d_id.b24 = new_fcport->d_id.b24;
6091                         fcport->flags |= FCF_LOGIN_NEEDED;
6092                         break;
6093                 }
6094
6095                 if (found && NVME_TARGET(vha->hw, fcport)) {
6096                         if (fcport->disc_state == DSC_DELETE_PEND) {
6097                                 qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
6098                                 vha->fcport_count--;
6099                                 fcport->login_succ = 0;
6100                         }
6101                 }
6102
6103                 if (found) {
6104                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6105                         continue;
6106                 }
6107                 /* If device was not in our fcports list, then add it. */
6108                 new_fcport->scan_state = QLA_FCPORT_FOUND;
6109                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
6110
6111                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6112
6113
6114                 /* Allocate a new replacement fcport. */
6115                 nxt_d_id.b24 = new_fcport->d_id.b24;
6116                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
6117                 if (new_fcport == NULL) {
6118                         ql_log(ql_log_warn, vha, 0xd032,
6119                             "Memory allocation failed for fcport.\n");
6120                         return (QLA_MEMORY_ALLOC_FAILED);
6121                 }
6122                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
6123                 new_fcport->d_id.b24 = nxt_d_id.b24;
6124         }
6125
6126         qla2x00_free_fcport(new_fcport);
6127
6128         /*
6129          * Logout all previous fabric dev marked lost, except FCP2 devices.
6130          */
6131         list_for_each_entry(fcport, &vha->vp_fcports, list) {
6132                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6133                         break;
6134
6135                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
6136                         continue;
6137
6138                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
6139                         if ((qla_dual_mode_enabled(vha) ||
6140                             qla_ini_mode_enabled(vha)) &&
6141                             atomic_read(&fcport->state) == FCS_ONLINE) {
6142                                 qla2x00_mark_device_lost(vha, fcport,
6143                                         ql2xplogiabsentdevice);
6144                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
6145                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
6146                                     fcport->port_type != FCT_INITIATOR &&
6147                                     fcport->port_type != FCT_BROADCAST) {
6148                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
6149                                             "%s %d %8phC post del sess\n",
6150                                             __func__, __LINE__,
6151                                             fcport->port_name);
6152                                         qlt_schedule_sess_for_deletion(fcport);
6153                                         continue;
6154                                 }
6155                         }
6156                 }
6157
6158                 if (fcport->scan_state == QLA_FCPORT_FOUND &&
6159                     (fcport->flags & FCF_LOGIN_NEEDED) != 0)
6160                         qla24xx_fcport_handle_login(vha, fcport);
6161         }
6162         return (rval);
6163 }
6164
6165 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
6166 int
6167 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
6168 {
6169         int loop_id = FC_NO_LOOP_ID;
6170         int lid = NPH_MGMT_SERVER - vha->vp_idx;
6171         unsigned long flags;
6172         struct qla_hw_data *ha = vha->hw;
6173
6174         if (vha->vp_idx == 0) {
6175                 set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
6176                 return NPH_MGMT_SERVER;
6177         }
6178
6179         /* pick id from high and work down to low */
6180         spin_lock_irqsave(&ha->vport_slock, flags);
6181         for (; lid > 0; lid--) {
6182                 if (!test_bit(lid, vha->hw->loop_id_map)) {
6183                         set_bit(lid, vha->hw->loop_id_map);
6184                         loop_id = lid;
6185                         break;
6186                 }
6187         }
6188         spin_unlock_irqrestore(&ha->vport_slock, flags);
6189
6190         return loop_id;
6191 }
6192
6193 /*
6194  * qla2x00_fabric_login
6195  *      Issue fabric login command.
6196  *
6197  * Input:
6198  *      ha = adapter block pointer.
6199  *      device = pointer to FC device type structure.
6200  *
6201  * Returns:
6202  *      0 - Login successfully
6203  *      1 - Login failed
6204  *      2 - Initiator device
6205  *      3 - Fatal error
6206  */
6207 int
6208 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
6209     uint16_t *next_loopid)
6210 {
6211         int     rval;
6212         int     retry;
6213         uint16_t tmp_loopid;
6214         uint16_t mb[MAILBOX_REGISTER_COUNT];
6215         struct qla_hw_data *ha = vha->hw;
6216
6217         retry = 0;
6218         tmp_loopid = 0;
6219
6220         for (;;) {
6221                 ql_dbg(ql_dbg_disc, vha, 0x2000,
6222                     "Trying Fabric Login w/loop id 0x%04x for port "
6223                     "%02x%02x%02x.\n",
6224                     fcport->loop_id, fcport->d_id.b.domain,
6225                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
6226
6227                 /* Login fcport on switch. */
6228                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
6229                     fcport->d_id.b.domain, fcport->d_id.b.area,
6230                     fcport->d_id.b.al_pa, mb, BIT_0);
6231                 if (rval != QLA_SUCCESS) {
6232                         return rval;
6233                 }
6234                 if (mb[0] == MBS_PORT_ID_USED) {
6235                         /*
6236                          * Device has another loop ID.  The firmware team
6237                          * recommends the driver perform an implicit login with
6238                          * the specified ID again. The ID we just used is save
6239                          * here so we return with an ID that can be tried by
6240                          * the next login.
6241                          */
6242                         retry++;
6243                         tmp_loopid = fcport->loop_id;
6244                         fcport->loop_id = mb[1];
6245
6246                         ql_dbg(ql_dbg_disc, vha, 0x2001,
6247                             "Fabric Login: port in use - next loop "
6248                             "id=0x%04x, port id= %02x%02x%02x.\n",
6249                             fcport->loop_id, fcport->d_id.b.domain,
6250                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6251
6252                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
6253                         /*
6254                          * Login succeeded.
6255                          */
6256                         if (retry) {
6257                                 /* A retry occurred before. */
6258                                 *next_loopid = tmp_loopid;
6259                         } else {
6260                                 /*
6261                                  * No retry occurred before. Just increment the
6262                                  * ID value for next login.
6263                                  */
6264                                 *next_loopid = (fcport->loop_id + 1);
6265                         }
6266
6267                         if (mb[1] & BIT_0) {
6268                                 fcport->port_type = FCT_INITIATOR;
6269                         } else {
6270                                 fcport->port_type = FCT_TARGET;
6271                                 if (mb[1] & BIT_1) {
6272                                         fcport->flags |= FCF_FCP2_DEVICE;
6273                                 }
6274                         }
6275
6276                         if (mb[10] & BIT_0)
6277                                 fcport->supported_classes |= FC_COS_CLASS2;
6278                         if (mb[10] & BIT_1)
6279                                 fcport->supported_classes |= FC_COS_CLASS3;
6280
6281                         if (IS_FWI2_CAPABLE(ha)) {
6282                                 if (mb[10] & BIT_7)
6283                                         fcport->flags |=
6284                                             FCF_CONF_COMP_SUPPORTED;
6285                         }
6286
6287                         rval = QLA_SUCCESS;
6288                         break;
6289                 } else if (mb[0] == MBS_LOOP_ID_USED) {
6290                         /*
6291                          * Loop ID already used, try next loop ID.
6292                          */
6293                         fcport->loop_id++;
6294                         rval = qla2x00_find_new_loop_id(vha, fcport);
6295                         if (rval != QLA_SUCCESS) {
6296                                 /* Ran out of loop IDs to use */
6297                                 break;
6298                         }
6299                 } else if (mb[0] == MBS_COMMAND_ERROR) {
6300                         /*
6301                          * Firmware possibly timed out during login. If NO
6302                          * retries are left to do then the device is declared
6303                          * dead.
6304                          */
6305                         *next_loopid = fcport->loop_id;
6306                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6307                             fcport->d_id.b.domain, fcport->d_id.b.area,
6308                             fcport->d_id.b.al_pa);
6309                         qla2x00_mark_device_lost(vha, fcport, 1);
6310
6311                         rval = 1;
6312                         break;
6313                 } else {
6314                         /*
6315                          * unrecoverable / not handled error
6316                          */
6317                         ql_dbg(ql_dbg_disc, vha, 0x2002,
6318                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
6319                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
6320                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
6321                             fcport->loop_id, jiffies);
6322
6323                         *next_loopid = fcport->loop_id;
6324                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6325                             fcport->d_id.b.domain, fcport->d_id.b.area,
6326                             fcport->d_id.b.al_pa);
6327                         qla2x00_clear_loop_id(fcport);
6328                         fcport->login_retry = 0;
6329
6330                         rval = 3;
6331                         break;
6332                 }
6333         }
6334
6335         return (rval);
6336 }
6337
6338 /*
6339  * qla2x00_local_device_login
6340  *      Issue local device login command.
6341  *
6342  * Input:
6343  *      ha = adapter block pointer.
6344  *      loop_id = loop id of device to login to.
6345  *
6346  * Returns (Where's the #define!!!!):
6347  *      0 - Login successfully
6348  *      1 - Login failed
6349  *      3 - Fatal error
6350  */
6351 int
6352 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6353 {
6354         int             rval;
6355         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6356
6357         memset(mb, 0, sizeof(mb));
6358         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6359         if (rval == QLA_SUCCESS) {
6360                 /* Interrogate mailbox registers for any errors */
6361                 if (mb[0] == MBS_COMMAND_ERROR)
6362                         rval = 1;
6363                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6364                         /* device not in PCB table */
6365                         rval = 3;
6366         }
6367
6368         return (rval);
6369 }
6370
6371 /*
6372  *  qla2x00_loop_resync
6373  *      Resync with fibre channel devices.
6374  *
6375  * Input:
6376  *      ha = adapter block pointer.
6377  *
6378  * Returns:
6379  *      0 = success
6380  */
6381 int
6382 qla2x00_loop_resync(scsi_qla_host_t *vha)
6383 {
6384         int rval = QLA_SUCCESS;
6385         uint32_t wait_time;
6386
6387         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6388         if (vha->flags.online) {
6389                 if (!(rval = qla2x00_fw_ready(vha))) {
6390                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
6391                         wait_time = 256;
6392                         do {
6393                                 if (!IS_QLAFX00(vha->hw)) {
6394                                         /*
6395                                          * Issue a marker after FW becomes
6396                                          * ready.
6397                                          */
6398                                         qla2x00_marker(vha, vha->hw->base_qpair,
6399                                             0, 0, MK_SYNC_ALL);
6400                                         vha->marker_needed = 0;
6401                                 }
6402
6403                                 /* Remap devices on Loop. */
6404                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6405
6406                                 if (IS_QLAFX00(vha->hw))
6407                                         qlafx00_configure_devices(vha);
6408                                 else
6409                                         qla2x00_configure_loop(vha);
6410
6411                                 wait_time--;
6412                         } while (!atomic_read(&vha->loop_down_timer) &&
6413                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6414                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6415                                 &vha->dpc_flags)));
6416                 }
6417         }
6418
6419         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6420                 return (QLA_FUNCTION_FAILED);
6421
6422         if (rval)
6423                 ql_dbg(ql_dbg_disc, vha, 0x206c,
6424                     "%s *** FAILED ***.\n", __func__);
6425
6426         return (rval);
6427 }
6428
6429 /*
6430 * qla2x00_perform_loop_resync
6431 * Description: This function will set the appropriate flags and call
6432 *              qla2x00_loop_resync. If successful loop will be resynced
6433 * Arguments : scsi_qla_host_t pointer
6434 * returm    : Success or Failure
6435 */
6436
6437 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
6438 {
6439         int32_t rval = 0;
6440
6441         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
6442                 /*Configure the flags so that resync happens properly*/
6443                 atomic_set(&ha->loop_down_timer, 0);
6444                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
6445                         atomic_set(&ha->loop_state, LOOP_UP);
6446                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
6447                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
6448                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
6449
6450                         rval = qla2x00_loop_resync(ha);
6451                 } else
6452                         atomic_set(&ha->loop_state, LOOP_DEAD);
6453
6454                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
6455         }
6456
6457         return rval;
6458 }
6459
6460 void
6461 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
6462 {
6463         fc_port_t *fcport;
6464         struct scsi_qla_host *vha;
6465         struct qla_hw_data *ha = base_vha->hw;
6466         unsigned long flags;
6467
6468         spin_lock_irqsave(&ha->vport_slock, flags);
6469         /* Go with deferred removal of rport references. */
6470         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
6471                 atomic_inc(&vha->vref_count);
6472                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6473                         if (fcport->drport &&
6474                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
6475                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6476                                 qla2x00_rport_del(fcport);
6477
6478                                 spin_lock_irqsave(&ha->vport_slock, flags);
6479                         }
6480                 }
6481                 atomic_dec(&vha->vref_count);
6482                 wake_up(&vha->vref_waitq);
6483         }
6484         spin_unlock_irqrestore(&ha->vport_slock, flags);
6485 }
6486
6487 /* Assumes idc_lock always held on entry */
6488 void
6489 qla83xx_reset_ownership(scsi_qla_host_t *vha)
6490 {
6491         struct qla_hw_data *ha = vha->hw;
6492         uint32_t drv_presence, drv_presence_mask;
6493         uint32_t dev_part_info1, dev_part_info2, class_type;
6494         uint32_t class_type_mask = 0x3;
6495         uint16_t fcoe_other_function = 0xffff, i;
6496
6497         if (IS_QLA8044(ha)) {
6498                 drv_presence = qla8044_rd_direct(vha,
6499                     QLA8044_CRB_DRV_ACTIVE_INDEX);
6500                 dev_part_info1 = qla8044_rd_direct(vha,
6501                     QLA8044_CRB_DEV_PART_INFO_INDEX);
6502                 dev_part_info2 = qla8044_rd_direct(vha,
6503                     QLA8044_CRB_DEV_PART_INFO2);
6504         } else {
6505                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6506                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
6507                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
6508         }
6509         for (i = 0; i < 8; i++) {
6510                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
6511                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6512                     (i != ha->portnum)) {
6513                         fcoe_other_function = i;
6514                         break;
6515                 }
6516         }
6517         if (fcoe_other_function == 0xffff) {
6518                 for (i = 0; i < 8; i++) {
6519                         class_type = ((dev_part_info2 >> (i * 4)) &
6520                             class_type_mask);
6521                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6522                             ((i + 8) != ha->portnum)) {
6523                                 fcoe_other_function = i + 8;
6524                                 break;
6525                         }
6526                 }
6527         }
6528         /*
6529          * Prepare drv-presence mask based on fcoe functions present.
6530          * However consider only valid physical fcoe function numbers (0-15).
6531          */
6532         drv_presence_mask = ~((1 << (ha->portnum)) |
6533                         ((fcoe_other_function == 0xffff) ?
6534                          0 : (1 << (fcoe_other_function))));
6535
6536         /* We are the reset owner iff:
6537          *    - No other protocol drivers present.
6538          *    - This is the lowest among fcoe functions. */
6539         if (!(drv_presence & drv_presence_mask) &&
6540                         (ha->portnum < fcoe_other_function)) {
6541                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6542                     "This host is Reset owner.\n");
6543                 ha->flags.nic_core_reset_owner = 1;
6544         }
6545 }
6546
6547 static int
6548 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6549 {
6550         int rval = QLA_SUCCESS;
6551         struct qla_hw_data *ha = vha->hw;
6552         uint32_t drv_ack;
6553
6554         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6555         if (rval == QLA_SUCCESS) {
6556                 drv_ack |= (1 << ha->portnum);
6557                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6558         }
6559
6560         return rval;
6561 }
6562
6563 static int
6564 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6565 {
6566         int rval = QLA_SUCCESS;
6567         struct qla_hw_data *ha = vha->hw;
6568         uint32_t drv_ack;
6569
6570         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6571         if (rval == QLA_SUCCESS) {
6572                 drv_ack &= ~(1 << ha->portnum);
6573                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6574         }
6575
6576         return rval;
6577 }
6578
6579 static const char *
6580 qla83xx_dev_state_to_string(uint32_t dev_state)
6581 {
6582         switch (dev_state) {
6583         case QLA8XXX_DEV_COLD:
6584                 return "COLD/RE-INIT";
6585         case QLA8XXX_DEV_INITIALIZING:
6586                 return "INITIALIZING";
6587         case QLA8XXX_DEV_READY:
6588                 return "READY";
6589         case QLA8XXX_DEV_NEED_RESET:
6590                 return "NEED RESET";
6591         case QLA8XXX_DEV_NEED_QUIESCENT:
6592                 return "NEED QUIESCENT";
6593         case QLA8XXX_DEV_FAILED:
6594                 return "FAILED";
6595         case QLA8XXX_DEV_QUIESCENT:
6596                 return "QUIESCENT";
6597         default:
6598                 return "Unknown";
6599         }
6600 }
6601
6602 /* Assumes idc-lock always held on entry */
6603 void
6604 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6605 {
6606         struct qla_hw_data *ha = vha->hw;
6607         uint32_t idc_audit_reg = 0, duration_secs = 0;
6608
6609         switch (audit_type) {
6610         case IDC_AUDIT_TIMESTAMP:
6611                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6612                 idc_audit_reg = (ha->portnum) |
6613                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6614                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6615                 break;
6616
6617         case IDC_AUDIT_COMPLETION:
6618                 duration_secs = ((jiffies_to_msecs(jiffies) -
6619                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6620                 idc_audit_reg = (ha->portnum) |
6621                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6622                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6623                 break;
6624
6625         default:
6626                 ql_log(ql_log_warn, vha, 0xb078,
6627                     "Invalid audit type specified.\n");
6628                 break;
6629         }
6630 }
6631
6632 /* Assumes idc_lock always held on entry */
6633 static int
6634 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6635 {
6636         struct qla_hw_data *ha = vha->hw;
6637         uint32_t  idc_control, dev_state;
6638
6639         __qla83xx_get_idc_control(vha, &idc_control);
6640         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6641                 ql_log(ql_log_info, vha, 0xb080,
6642                     "NIC Core reset has been disabled. idc-control=0x%x\n",
6643                     idc_control);
6644                 return QLA_FUNCTION_FAILED;
6645         }
6646
6647         /* Set NEED-RESET iff in READY state and we are the reset-owner */
6648         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6649         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6650                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6651                     QLA8XXX_DEV_NEED_RESET);
6652                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6653                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6654         } else {
6655                 const char *state = qla83xx_dev_state_to_string(dev_state);
6656
6657                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
6658
6659                 /* SV: XXX: Is timeout required here? */
6660                 /* Wait for IDC state change READY -> NEED_RESET */
6661                 while (dev_state == QLA8XXX_DEV_READY) {
6662                         qla83xx_idc_unlock(vha, 0);
6663                         msleep(200);
6664                         qla83xx_idc_lock(vha, 0);
6665                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6666                 }
6667         }
6668
6669         /* Send IDC ack by writing to drv-ack register */
6670         __qla83xx_set_drv_ack(vha);
6671
6672         return QLA_SUCCESS;
6673 }
6674
6675 int
6676 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6677 {
6678         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6679 }
6680
6681 int
6682 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6683 {
6684         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6685 }
6686
6687 static int
6688 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6689 {
6690         uint32_t drv_presence = 0;
6691         struct qla_hw_data *ha = vha->hw;
6692
6693         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6694         if (drv_presence & (1 << ha->portnum))
6695                 return QLA_SUCCESS;
6696         else
6697                 return QLA_TEST_FAILED;
6698 }
6699
6700 int
6701 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6702 {
6703         int rval = QLA_SUCCESS;
6704         struct qla_hw_data *ha = vha->hw;
6705
6706         ql_dbg(ql_dbg_p3p, vha, 0xb058,
6707             "Entered  %s().\n", __func__);
6708
6709         if (vha->device_flags & DFLG_DEV_FAILED) {
6710                 ql_log(ql_log_warn, vha, 0xb059,
6711                     "Device in unrecoverable FAILED state.\n");
6712                 return QLA_FUNCTION_FAILED;
6713         }
6714
6715         qla83xx_idc_lock(vha, 0);
6716
6717         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6718                 ql_log(ql_log_warn, vha, 0xb05a,
6719                     "Function=0x%x has been removed from IDC participation.\n",
6720                     ha->portnum);
6721                 rval = QLA_FUNCTION_FAILED;
6722                 goto exit;
6723         }
6724
6725         qla83xx_reset_ownership(vha);
6726
6727         rval = qla83xx_initiating_reset(vha);
6728
6729         /*
6730          * Perform reset if we are the reset-owner,
6731          * else wait till IDC state changes to READY/FAILED.
6732          */
6733         if (rval == QLA_SUCCESS) {
6734                 rval = qla83xx_idc_state_handler(vha);
6735
6736                 if (rval == QLA_SUCCESS)
6737                         ha->flags.nic_core_hung = 0;
6738                 __qla83xx_clear_drv_ack(vha);
6739         }
6740
6741 exit:
6742         qla83xx_idc_unlock(vha, 0);
6743
6744         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6745
6746         return rval;
6747 }
6748
6749 int
6750 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6751 {
6752         struct qla_hw_data *ha = vha->hw;
6753         int rval = QLA_FUNCTION_FAILED;
6754
6755         if (!IS_MCTP_CAPABLE(ha)) {
6756                 /* This message can be removed from the final version */
6757                 ql_log(ql_log_info, vha, 0x506d,
6758                     "This board is not MCTP capable\n");
6759                 return rval;
6760         }
6761
6762         if (!ha->mctp_dump) {
6763                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6764                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6765
6766                 if (!ha->mctp_dump) {
6767                         ql_log(ql_log_warn, vha, 0x506e,
6768                             "Failed to allocate memory for mctp dump\n");
6769                         return rval;
6770                 }
6771         }
6772
6773 #define MCTP_DUMP_STR_ADDR      0x00000000
6774         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6775             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6776         if (rval != QLA_SUCCESS) {
6777                 ql_log(ql_log_warn, vha, 0x506f,
6778                     "Failed to capture mctp dump\n");
6779         } else {
6780                 ql_log(ql_log_info, vha, 0x5070,
6781                     "Mctp dump capture for host (%ld/%p).\n",
6782                     vha->host_no, ha->mctp_dump);
6783                 ha->mctp_dumped = 1;
6784         }
6785
6786         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6787                 ha->flags.nic_core_reset_hdlr_active = 1;
6788                 rval = qla83xx_restart_nic_firmware(vha);
6789                 if (rval)
6790                         /* NIC Core reset failed. */
6791                         ql_log(ql_log_warn, vha, 0x5071,
6792                             "Failed to restart nic firmware\n");
6793                 else
6794                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
6795                             "Restarted NIC firmware successfully.\n");
6796                 ha->flags.nic_core_reset_hdlr_active = 0;
6797         }
6798
6799         return rval;
6800
6801 }
6802
6803 /*
6804 * qla2x00_quiesce_io
6805 * Description: This function will block the new I/Os
6806 *              Its not aborting any I/Os as context
6807 *              is not destroyed during quiescence
6808 * Arguments: scsi_qla_host_t
6809 * return   : void
6810 */
6811 void
6812 qla2x00_quiesce_io(scsi_qla_host_t *vha)
6813 {
6814         struct qla_hw_data *ha = vha->hw;
6815         struct scsi_qla_host *vp;
6816
6817         ql_dbg(ql_dbg_dpc, vha, 0x401d,
6818             "Quiescing I/O - ha=%p.\n", ha);
6819
6820         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
6821         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6822                 atomic_set(&vha->loop_state, LOOP_DOWN);
6823                 qla2x00_mark_all_devices_lost(vha);
6824                 list_for_each_entry(vp, &ha->vp_list, list)
6825                         qla2x00_mark_all_devices_lost(vp);
6826         } else {
6827                 if (!atomic_read(&vha->loop_down_timer))
6828                         atomic_set(&vha->loop_down_timer,
6829                                         LOOP_DOWN_TIME);
6830         }
6831         /* Wait for pending cmds to complete */
6832         WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST)
6833                      != QLA_SUCCESS);
6834 }
6835
6836 void
6837 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
6838 {
6839         struct qla_hw_data *ha = vha->hw;
6840         struct scsi_qla_host *vp;
6841         unsigned long flags;
6842         fc_port_t *fcport;
6843         u16 i;
6844
6845         /* For ISP82XX, driver waits for completion of the commands.
6846          * online flag should be set.
6847          */
6848         if (!(IS_P3P_TYPE(ha)))
6849                 vha->flags.online = 0;
6850         ha->flags.chip_reset_done = 0;
6851         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6852         vha->qla_stats.total_isp_aborts++;
6853
6854         ql_log(ql_log_info, vha, 0x00af,
6855             "Performing ISP error recovery - ha=%p.\n", ha);
6856
6857         ha->flags.purge_mbox = 1;
6858         /* For ISP82XX, reset_chip is just disabling interrupts.
6859          * Driver waits for the completion of the commands.
6860          * the interrupts need to be enabled.
6861          */
6862         if (!(IS_P3P_TYPE(ha)))
6863                 ha->isp_ops->reset_chip(vha);
6864
6865         ha->link_data_rate = PORT_SPEED_UNKNOWN;
6866         SAVE_TOPO(ha);
6867         ha->flags.rida_fmt2 = 0;
6868         ha->flags.n2n_ae = 0;
6869         ha->flags.lip_ae = 0;
6870         ha->current_topology = 0;
6871         QLA_FW_STOPPED(ha);
6872         ha->flags.fw_init_done = 0;
6873         ha->chip_reset++;
6874         ha->base_qpair->chip_reset = ha->chip_reset;
6875         for (i = 0; i < ha->max_qpairs; i++) {
6876                 if (ha->queue_pair_map[i])
6877                         ha->queue_pair_map[i]->chip_reset =
6878                                 ha->base_qpair->chip_reset;
6879         }
6880
6881         /* purge MBox commands */
6882         if (atomic_read(&ha->num_pend_mbx_stage3)) {
6883                 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
6884                 complete(&ha->mbx_intr_comp);
6885         }
6886
6887         i = 0;
6888         while (atomic_read(&ha->num_pend_mbx_stage3) ||
6889             atomic_read(&ha->num_pend_mbx_stage2) ||
6890             atomic_read(&ha->num_pend_mbx_stage1)) {
6891                 msleep(20);
6892                 i++;
6893                 if (i > 50)
6894                         break;
6895         }
6896         ha->flags.purge_mbox = 0;
6897
6898         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
6899         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6900                 atomic_set(&vha->loop_state, LOOP_DOWN);
6901                 qla2x00_mark_all_devices_lost(vha);
6902
6903                 spin_lock_irqsave(&ha->vport_slock, flags);
6904                 list_for_each_entry(vp, &ha->vp_list, list) {
6905                         atomic_inc(&vp->vref_count);
6906                         spin_unlock_irqrestore(&ha->vport_slock, flags);
6907
6908                         qla2x00_mark_all_devices_lost(vp);
6909
6910                         spin_lock_irqsave(&ha->vport_slock, flags);
6911                         atomic_dec(&vp->vref_count);
6912                 }
6913                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6914         } else {
6915                 if (!atomic_read(&vha->loop_down_timer))
6916                         atomic_set(&vha->loop_down_timer,
6917                             LOOP_DOWN_TIME);
6918         }
6919
6920         /* Clear all async request states across all VPs. */
6921         list_for_each_entry(fcport, &vha->vp_fcports, list) {
6922                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6923                 fcport->scan_state = 0;
6924         }
6925         spin_lock_irqsave(&ha->vport_slock, flags);
6926         list_for_each_entry(vp, &ha->vp_list, list) {
6927                 atomic_inc(&vp->vref_count);
6928                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6929
6930                 list_for_each_entry(fcport, &vp->vp_fcports, list)
6931                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6932
6933                 spin_lock_irqsave(&ha->vport_slock, flags);
6934                 atomic_dec(&vp->vref_count);
6935         }
6936         spin_unlock_irqrestore(&ha->vport_slock, flags);
6937
6938         /* Make sure for ISP 82XX IO DMA is complete */
6939         if (IS_P3P_TYPE(ha)) {
6940                 qla82xx_chip_reset_cleanup(vha);
6941                 ql_log(ql_log_info, vha, 0x00b4,
6942                        "Done chip reset cleanup.\n");
6943
6944                 /* Done waiting for pending commands. Reset online flag */
6945                 vha->flags.online = 0;
6946         }
6947
6948         /* Requeue all commands in outstanding command list. */
6949         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6950         /* memory barrier */
6951         wmb();
6952 }
6953
6954 /*
6955 *  qla2x00_abort_isp
6956 *      Resets ISP and aborts all outstanding commands.
6957 *
6958 * Input:
6959 *      ha           = adapter block pointer.
6960 *
6961 * Returns:
6962 *      0 = success
6963 */
6964 int
6965 qla2x00_abort_isp(scsi_qla_host_t *vha)
6966 {
6967         int rval;
6968         uint8_t        status = 0;
6969         struct qla_hw_data *ha = vha->hw;
6970         struct scsi_qla_host *vp;
6971         struct req_que *req = ha->req_q_map[0];
6972         unsigned long flags;
6973
6974         if (vha->flags.online) {
6975                 qla2x00_abort_isp_cleanup(vha);
6976
6977                 if (vha->hw->flags.port_isolated)
6978                         return status;
6979
6980                 if (qla2x00_isp_reg_stat(ha)) {
6981                         ql_log(ql_log_info, vha, 0x803f,
6982                                "ISP Abort - ISP reg disconnect, exiting.\n");
6983                         return status;
6984                 }
6985
6986                 if (test_and_clear_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags)) {
6987                         ha->flags.chip_reset_done = 1;
6988                         vha->flags.online = 1;
6989                         status = 0;
6990                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6991                         return status;
6992                 }
6993
6994                 if (IS_QLA8031(ha)) {
6995                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
6996                             "Clearing fcoe driver presence.\n");
6997                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
6998                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
6999                                     "Error while clearing DRV-Presence.\n");
7000                 }
7001
7002                 if (unlikely(pci_channel_offline(ha->pdev) &&
7003                     ha->flags.pci_channel_io_perm_failure)) {
7004                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7005                         status = 0;
7006                         return status;
7007                 }
7008
7009                 switch (vha->qlini_mode) {
7010                 case QLA2XXX_INI_MODE_DISABLED:
7011                         if (!qla_tgt_mode_enabled(vha))
7012                                 return 0;
7013                         break;
7014                 case QLA2XXX_INI_MODE_DUAL:
7015                         if (!qla_dual_mode_enabled(vha))
7016                                 return 0;
7017                         break;
7018                 case QLA2XXX_INI_MODE_ENABLED:
7019                 default:
7020                         break;
7021                 }
7022
7023                 ha->isp_ops->get_flash_version(vha, req->ring);
7024
7025                 if (qla2x00_isp_reg_stat(ha)) {
7026                         ql_log(ql_log_info, vha, 0x803f,
7027                                "ISP Abort - ISP reg disconnect pre nvram config, exiting.\n");
7028                         return status;
7029                 }
7030                 ha->isp_ops->nvram_config(vha);
7031
7032                 if (qla2x00_isp_reg_stat(ha)) {
7033                         ql_log(ql_log_info, vha, 0x803f,
7034                                "ISP Abort - ISP reg disconnect post nvmram config, exiting.\n");
7035                         return status;
7036                 }
7037                 if (!qla2x00_restart_isp(vha)) {
7038                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7039
7040                         if (!atomic_read(&vha->loop_down_timer)) {
7041                                 /*
7042                                  * Issue marker command only when we are going
7043                                  * to start the I/O .
7044                                  */
7045                                 vha->marker_needed = 1;
7046                         }
7047
7048                         vha->flags.online = 1;
7049
7050                         ha->isp_ops->enable_intrs(ha);
7051
7052                         ha->isp_abort_cnt = 0;
7053                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7054
7055                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
7056                                 qla2x00_get_fw_version(vha);
7057                         if (ha->fce) {
7058                                 ha->flags.fce_enabled = 1;
7059                                 memset(ha->fce, 0,
7060                                     fce_calc_size(ha->fce_bufs));
7061                                 rval = qla2x00_enable_fce_trace(vha,
7062                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
7063                                     &ha->fce_bufs);
7064                                 if (rval) {
7065                                         ql_log(ql_log_warn, vha, 0x8033,
7066                                             "Unable to reinitialize FCE "
7067                                             "(%d).\n", rval);
7068                                         ha->flags.fce_enabled = 0;
7069                                 }
7070                         }
7071
7072                         if (ha->eft) {
7073                                 memset(ha->eft, 0, EFT_SIZE);
7074                                 rval = qla2x00_enable_eft_trace(vha,
7075                                     ha->eft_dma, EFT_NUM_BUFFERS);
7076                                 if (rval) {
7077                                         ql_log(ql_log_warn, vha, 0x8034,
7078                                             "Unable to reinitialize EFT "
7079                                             "(%d).\n", rval);
7080                                 }
7081                         }
7082                 } else {        /* failed the ISP abort */
7083                         vha->flags.online = 1;
7084                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
7085                                 if (ha->isp_abort_cnt == 0) {
7086                                         ql_log(ql_log_fatal, vha, 0x8035,
7087                                             "ISP error recover failed - "
7088                                             "board disabled.\n");
7089                                         /*
7090                                          * The next call disables the board
7091                                          * completely.
7092                                          */
7093                                         qla2x00_abort_isp_cleanup(vha);
7094                                         vha->flags.online = 0;
7095                                         clear_bit(ISP_ABORT_RETRY,
7096                                             &vha->dpc_flags);
7097                                         status = 0;
7098                                 } else { /* schedule another ISP abort */
7099                                         ha->isp_abort_cnt--;
7100                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
7101                                             "ISP abort - retry remaining %d.\n",
7102                                             ha->isp_abort_cnt);
7103                                         status = 1;
7104                                 }
7105                         } else {
7106                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
7107                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
7108                                     "ISP error recovery - retrying (%d) "
7109                                     "more times.\n", ha->isp_abort_cnt);
7110                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7111                                 status = 1;
7112                         }
7113                 }
7114
7115         }
7116
7117         if (vha->hw->flags.port_isolated) {
7118                 qla2x00_abort_isp_cleanup(vha);
7119                 return status;
7120         }
7121
7122         if (!status) {
7123                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
7124                 qla2x00_configure_hba(vha);
7125                 spin_lock_irqsave(&ha->vport_slock, flags);
7126                 list_for_each_entry(vp, &ha->vp_list, list) {
7127                         if (vp->vp_idx) {
7128                                 atomic_inc(&vp->vref_count);
7129                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7130
7131                                 qla2x00_vp_abort_isp(vp);
7132
7133                                 spin_lock_irqsave(&ha->vport_slock, flags);
7134                                 atomic_dec(&vp->vref_count);
7135                         }
7136                 }
7137                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7138
7139                 if (IS_QLA8031(ha)) {
7140                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
7141                             "Setting back fcoe driver presence.\n");
7142                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
7143                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
7144                                     "Error while setting DRV-Presence.\n");
7145                 }
7146         } else {
7147                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
7148                        __func__);
7149         }
7150
7151         return(status);
7152 }
7153
7154 /*
7155 *  qla2x00_restart_isp
7156 *      restarts the ISP after a reset
7157 *
7158 * Input:
7159 *      ha = adapter block pointer.
7160 *
7161 * Returns:
7162 *      0 = success
7163 */
7164 static int
7165 qla2x00_restart_isp(scsi_qla_host_t *vha)
7166 {
7167         int status;
7168         struct qla_hw_data *ha = vha->hw;
7169
7170         /* If firmware needs to be loaded */
7171         if (qla2x00_isp_firmware(vha)) {
7172                 vha->flags.online = 0;
7173                 status = ha->isp_ops->chip_diag(vha);
7174                 if (status)
7175                         return status;
7176                 status = qla2x00_setup_chip(vha);
7177                 if (status)
7178                         return status;
7179         }
7180
7181         status = qla2x00_init_rings(vha);
7182         if (status)
7183                 return status;
7184
7185         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7186         ha->flags.chip_reset_done = 1;
7187
7188         /* Initialize the queues in use */
7189         qla25xx_init_queues(ha);
7190
7191         status = qla2x00_fw_ready(vha);
7192         if (status) {
7193                 /* if no cable then assume it's good */
7194                 return vha->device_flags & DFLG_NO_CABLE ? 0 : status;
7195         }
7196
7197         /* Issue a marker after FW becomes ready. */
7198         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
7199         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7200
7201         return 0;
7202 }
7203
7204 static int
7205 qla25xx_init_queues(struct qla_hw_data *ha)
7206 {
7207         struct rsp_que *rsp = NULL;
7208         struct req_que *req = NULL;
7209         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7210         int ret = -1;
7211         int i;
7212
7213         for (i = 1; i < ha->max_rsp_queues; i++) {
7214                 rsp = ha->rsp_q_map[i];
7215                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
7216                         rsp->options &= ~BIT_0;
7217                         ret = qla25xx_init_rsp_que(base_vha, rsp);
7218                         if (ret != QLA_SUCCESS)
7219                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
7220                                     "%s Rsp que: %d init failed.\n",
7221                                     __func__, rsp->id);
7222                         else
7223                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
7224                                     "%s Rsp que: %d inited.\n",
7225                                     __func__, rsp->id);
7226                 }
7227         }
7228         for (i = 1; i < ha->max_req_queues; i++) {
7229                 req = ha->req_q_map[i];
7230                 if (req && test_bit(i, ha->req_qid_map)) {
7231                         /* Clear outstanding commands array. */
7232                         req->options &= ~BIT_0;
7233                         ret = qla25xx_init_req_que(base_vha, req);
7234                         if (ret != QLA_SUCCESS)
7235                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
7236                                     "%s Req que: %d init failed.\n",
7237                                     __func__, req->id);
7238                         else
7239                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
7240                                     "%s Req que: %d inited.\n",
7241                                     __func__, req->id);
7242                 }
7243         }
7244         return ret;
7245 }
7246
7247 /*
7248 * qla2x00_reset_adapter
7249 *      Reset adapter.
7250 *
7251 * Input:
7252 *      ha = adapter block pointer.
7253 */
7254 int
7255 qla2x00_reset_adapter(scsi_qla_host_t *vha)
7256 {
7257         unsigned long flags = 0;
7258         struct qla_hw_data *ha = vha->hw;
7259         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7260
7261         vha->flags.online = 0;
7262         ha->isp_ops->disable_intrs(ha);
7263
7264         spin_lock_irqsave(&ha->hardware_lock, flags);
7265         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
7266         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7267         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
7268         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7269         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7270
7271         return QLA_SUCCESS;
7272 }
7273
7274 int
7275 qla24xx_reset_adapter(scsi_qla_host_t *vha)
7276 {
7277         unsigned long flags = 0;
7278         struct qla_hw_data *ha = vha->hw;
7279         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
7280
7281         if (IS_P3P_TYPE(ha))
7282                 return QLA_SUCCESS;
7283
7284         vha->flags.online = 0;
7285         ha->isp_ops->disable_intrs(ha);
7286
7287         spin_lock_irqsave(&ha->hardware_lock, flags);
7288         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
7289         rd_reg_dword(&reg->hccr);
7290         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
7291         rd_reg_dword(&reg->hccr);
7292         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7293
7294         if (IS_NOPOLLING_TYPE(ha))
7295                 ha->isp_ops->enable_intrs(ha);
7296
7297         return QLA_SUCCESS;
7298 }
7299
7300 /* On sparc systems, obtain port and node WWN from firmware
7301  * properties.
7302  */
7303 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
7304         struct nvram_24xx *nv)
7305 {
7306 #ifdef CONFIG_SPARC
7307         struct qla_hw_data *ha = vha->hw;
7308         struct pci_dev *pdev = ha->pdev;
7309         struct device_node *dp = pci_device_to_OF_node(pdev);
7310         const u8 *val;
7311         int len;
7312
7313         val = of_get_property(dp, "port-wwn", &len);
7314         if (val && len >= WWN_SIZE)
7315                 memcpy(nv->port_name, val, WWN_SIZE);
7316
7317         val = of_get_property(dp, "node-wwn", &len);
7318         if (val && len >= WWN_SIZE)
7319                 memcpy(nv->node_name, val, WWN_SIZE);
7320 #endif
7321 }
7322
7323 int
7324 qla24xx_nvram_config(scsi_qla_host_t *vha)
7325 {
7326         int   rval;
7327         struct init_cb_24xx *icb;
7328         struct nvram_24xx *nv;
7329         __le32 *dptr;
7330         uint8_t  *dptr1, *dptr2;
7331         uint32_t chksum;
7332         uint16_t cnt;
7333         struct qla_hw_data *ha = vha->hw;
7334
7335         rval = QLA_SUCCESS;
7336         icb = (struct init_cb_24xx *)ha->init_cb;
7337         nv = ha->nvram;
7338
7339         /* Determine NVRAM starting address. */
7340         if (ha->port_no == 0) {
7341                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
7342                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
7343         } else {
7344                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7345                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
7346         }
7347
7348         ha->nvram_size = sizeof(*nv);
7349         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7350
7351         /* Get VPD data into cache */
7352         ha->vpd = ha->nvram + VPD_OFFSET;
7353         ha->isp_ops->read_nvram(vha, ha->vpd,
7354             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
7355
7356         /* Get NVRAM data into cache and calculate checksum. */
7357         dptr = (__force __le32 *)nv;
7358         ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size);
7359         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7360                 chksum += le32_to_cpu(*dptr);
7361
7362         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
7363             "Contents of NVRAM\n");
7364         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7365             nv, ha->nvram_size);
7366
7367         /* Bad NVRAM data, set defaults parameters. */
7368         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
7369             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
7370                 /* Reset NVRAM data. */
7371                 ql_log(ql_log_warn, vha, 0x006b,
7372                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
7373                     chksum, nv->id, nv->nvram_version);
7374                 ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv));
7375                 ql_log(ql_log_warn, vha, 0x006c,
7376                     "Falling back to functioning (yet invalid -- WWPN) "
7377                     "defaults.\n");
7378
7379                 /*
7380                  * Set default initialization control block.
7381                  */
7382                 memset(nv, 0, ha->nvram_size);
7383                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7384                 nv->version = cpu_to_le16(ICB_VERSION);
7385                 nv->frame_payload_size = cpu_to_le16(2048);
7386                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7387                 nv->exchange_count = cpu_to_le16(0);
7388                 nv->hard_address = cpu_to_le16(124);
7389                 nv->port_name[0] = 0x21;
7390                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7391                 nv->port_name[2] = 0x00;
7392                 nv->port_name[3] = 0xe0;
7393                 nv->port_name[4] = 0x8b;
7394                 nv->port_name[5] = 0x1c;
7395                 nv->port_name[6] = 0x55;
7396                 nv->port_name[7] = 0x86;
7397                 nv->node_name[0] = 0x20;
7398                 nv->node_name[1] = 0x00;
7399                 nv->node_name[2] = 0x00;
7400                 nv->node_name[3] = 0xe0;
7401                 nv->node_name[4] = 0x8b;
7402                 nv->node_name[5] = 0x1c;
7403                 nv->node_name[6] = 0x55;
7404                 nv->node_name[7] = 0x86;
7405                 qla24xx_nvram_wwn_from_ofw(vha, nv);
7406                 nv->login_retry_count = cpu_to_le16(8);
7407                 nv->interrupt_delay_timer = cpu_to_le16(0);
7408                 nv->login_timeout = cpu_to_le16(0);
7409                 nv->firmware_options_1 =
7410                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7411                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7412                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7413                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7414                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7415                 nv->efi_parameters = cpu_to_le32(0);
7416                 nv->reset_delay = 5;
7417                 nv->max_luns_per_target = cpu_to_le16(128);
7418                 nv->port_down_retry_count = cpu_to_le16(30);
7419                 nv->link_down_timeout = cpu_to_le16(30);
7420
7421                 rval = 1;
7422         }
7423
7424         if (qla_tgt_mode_enabled(vha)) {
7425                 /* Don't enable full login after initial LIP */
7426                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7427                 /* Don't enable LIP full login for initiator */
7428                 nv->host_p &= cpu_to_le32(~BIT_10);
7429         }
7430
7431         qlt_24xx_config_nvram_stage1(vha, nv);
7432
7433         /* Reset Initialization control block */
7434         memset(icb, 0, ha->init_cb_size);
7435
7436         /* Copy 1st segment. */
7437         dptr1 = (uint8_t *)icb;
7438         dptr2 = (uint8_t *)&nv->version;
7439         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7440         while (cnt--)
7441                 *dptr1++ = *dptr2++;
7442
7443         icb->login_retry_count = nv->login_retry_count;
7444         icb->link_down_on_nos = nv->link_down_on_nos;
7445
7446         /* Copy 2nd segment. */
7447         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7448         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7449         cnt = (uint8_t *)&icb->reserved_3 -
7450             (uint8_t *)&icb->interrupt_delay_timer;
7451         while (cnt--)
7452                 *dptr1++ = *dptr2++;
7453         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7454         /*
7455          * Setup driver NVRAM options.
7456          */
7457         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7458             "QLA2462");
7459
7460         qlt_24xx_config_nvram_stage2(vha, icb);
7461
7462         if (nv->host_p & cpu_to_le32(BIT_15)) {
7463                 /* Use alternate WWN? */
7464                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7465                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7466         }
7467
7468         /* Prepare nodename */
7469         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7470                 /*
7471                  * Firmware will apply the following mask if the nodename was
7472                  * not provided.
7473                  */
7474                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7475                 icb->node_name[0] &= 0xF0;
7476         }
7477
7478         /* Set host adapter parameters. */
7479         ha->flags.disable_risc_code_load = 0;
7480         ha->flags.enable_lip_reset = 0;
7481         ha->flags.enable_lip_full_login =
7482             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
7483         ha->flags.enable_target_reset =
7484             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
7485         ha->flags.enable_led_scheme = 0;
7486         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
7487
7488         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7489             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7490
7491         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
7492             sizeof(ha->fw_seriallink_options24));
7493
7494         /* save HBA serial number */
7495         ha->serial0 = icb->port_name[5];
7496         ha->serial1 = icb->port_name[6];
7497         ha->serial2 = icb->port_name[7];
7498         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7499         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7500
7501         icb->execution_throttle = cpu_to_le16(0xFFFF);
7502
7503         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7504
7505         /* Set minimum login_timeout to 4 seconds. */
7506         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7507                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7508         if (le16_to_cpu(nv->login_timeout) < 4)
7509                 nv->login_timeout = cpu_to_le16(4);
7510         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7511
7512         /* Set minimum RATOV to 100 tenths of a second. */
7513         ha->r_a_tov = 100;
7514
7515         ha->loop_reset_delay = nv->reset_delay;
7516
7517         /* Link Down Timeout = 0:
7518          *
7519          *      When Port Down timer expires we will start returning
7520          *      I/O's to OS with "DID_NO_CONNECT".
7521          *
7522          * Link Down Timeout != 0:
7523          *
7524          *       The driver waits for the link to come up after link down
7525          *       before returning I/Os to OS with "DID_NO_CONNECT".
7526          */
7527         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7528                 ha->loop_down_abort_time =
7529                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7530         } else {
7531                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7532                 ha->loop_down_abort_time =
7533                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7534         }
7535
7536         /* Need enough time to try and get the port back. */
7537         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7538         if (qlport_down_retry)
7539                 ha->port_down_retry_count = qlport_down_retry;
7540
7541         /* Set login_retry_count */
7542         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
7543         if (ha->port_down_retry_count ==
7544             le16_to_cpu(nv->port_down_retry_count) &&
7545             ha->port_down_retry_count > 3)
7546                 ha->login_retry_count = ha->port_down_retry_count;
7547         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7548                 ha->login_retry_count = ha->port_down_retry_count;
7549         if (ql2xloginretrycount)
7550                 ha->login_retry_count = ql2xloginretrycount;
7551
7552         /* N2N: driver will initiate Login instead of FW */
7553         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
7554
7555         /* Enable ZIO. */
7556         if (!vha->flags.init_done) {
7557                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7558                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7559                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7560                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
7561         }
7562         icb->firmware_options_2 &= cpu_to_le32(
7563             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7564         if (ha->zio_mode != QLA_ZIO_DISABLED) {
7565                 ha->zio_mode = QLA_ZIO_MODE_6;
7566
7567                 ql_log(ql_log_info, vha, 0x006f,
7568                     "ZIO mode %d enabled; timer delay (%d us).\n",
7569                     ha->zio_mode, ha->zio_timer * 100);
7570
7571                 icb->firmware_options_2 |= cpu_to_le32(
7572                     (uint32_t)ha->zio_mode);
7573                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7574         }
7575
7576         if (rval) {
7577                 ql_log(ql_log_warn, vha, 0x0070,
7578                     "NVRAM configuration failed.\n");
7579         }
7580         return (rval);
7581 }
7582
7583 static void
7584 qla27xx_print_image(struct scsi_qla_host *vha, char *name,
7585     struct qla27xx_image_status *image_status)
7586 {
7587         ql_dbg(ql_dbg_init, vha, 0x018b,
7588             "%s %s: mask=%#02x gen=%#04x ver=%u.%u map=%#01x sum=%#08x sig=%#08x\n",
7589             name, "status",
7590             image_status->image_status_mask,
7591             le16_to_cpu(image_status->generation),
7592             image_status->ver_major,
7593             image_status->ver_minor,
7594             image_status->bitmap,
7595             le32_to_cpu(image_status->checksum),
7596             le32_to_cpu(image_status->signature));
7597 }
7598
7599 static bool
7600 qla28xx_check_aux_image_status_signature(
7601     struct qla27xx_image_status *image_status)
7602 {
7603         ulong signature = le32_to_cpu(image_status->signature);
7604
7605         return signature != QLA28XX_AUX_IMG_STATUS_SIGN;
7606 }
7607
7608 static bool
7609 qla27xx_check_image_status_signature(struct qla27xx_image_status *image_status)
7610 {
7611         ulong signature = le32_to_cpu(image_status->signature);
7612
7613         return
7614             signature != QLA27XX_IMG_STATUS_SIGN &&
7615             signature != QLA28XX_IMG_STATUS_SIGN;
7616 }
7617
7618 static ulong
7619 qla27xx_image_status_checksum(struct qla27xx_image_status *image_status)
7620 {
7621         __le32 *p = (__force __le32 *)image_status;
7622         uint n = sizeof(*image_status) / sizeof(*p);
7623         uint32_t sum = 0;
7624
7625         for ( ; n--; p++)
7626                 sum += le32_to_cpup(p);
7627
7628         return sum;
7629 }
7630
7631 static inline uint
7632 qla28xx_component_bitmask(struct qla27xx_image_status *aux, uint bitmask)
7633 {
7634         return aux->bitmap & bitmask ?
7635             QLA27XX_SECONDARY_IMAGE : QLA27XX_PRIMARY_IMAGE;
7636 }
7637
7638 static void
7639 qla28xx_component_status(
7640     struct active_regions *active_regions, struct qla27xx_image_status *aux)
7641 {
7642         active_regions->aux.board_config =
7643             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_BOARD_CONFIG);
7644
7645         active_regions->aux.vpd_nvram =
7646             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_VPD_NVRAM);
7647
7648         active_regions->aux.npiv_config_0_1 =
7649             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_0_1);
7650
7651         active_regions->aux.npiv_config_2_3 =
7652             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_2_3);
7653 }
7654
7655 static int
7656 qla27xx_compare_image_generation(
7657     struct qla27xx_image_status *pri_image_status,
7658     struct qla27xx_image_status *sec_image_status)
7659 {
7660         /* calculate generation delta as uint16 (this accounts for wrap) */
7661         int16_t delta =
7662             le16_to_cpu(pri_image_status->generation) -
7663             le16_to_cpu(sec_image_status->generation);
7664
7665         ql_dbg(ql_dbg_init, NULL, 0x0180, "generation delta = %d\n", delta);
7666
7667         return delta;
7668 }
7669
7670 void
7671 qla28xx_get_aux_images(
7672         struct scsi_qla_host *vha, struct active_regions *active_regions)
7673 {
7674         struct qla_hw_data *ha = vha->hw;
7675         struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status;
7676         bool valid_pri_image = false, valid_sec_image = false;
7677         bool active_pri_image = false, active_sec_image = false;
7678
7679         if (!ha->flt_region_aux_img_status_pri) {
7680                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n");
7681                 goto check_sec_image;
7682         }
7683
7684         qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status,
7685             ha->flt_region_aux_img_status_pri,
7686             sizeof(pri_aux_image_status) >> 2);
7687         qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status);
7688
7689         if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) {
7690                 ql_dbg(ql_dbg_init, vha, 0x018b,
7691                     "Primary aux image signature (%#x) not valid\n",
7692                     le32_to_cpu(pri_aux_image_status.signature));
7693                 goto check_sec_image;
7694         }
7695
7696         if (qla27xx_image_status_checksum(&pri_aux_image_status)) {
7697                 ql_dbg(ql_dbg_init, vha, 0x018c,
7698                     "Primary aux image checksum failed\n");
7699                 goto check_sec_image;
7700         }
7701
7702         valid_pri_image = true;
7703
7704         if (pri_aux_image_status.image_status_mask & 1) {
7705                 ql_dbg(ql_dbg_init, vha, 0x018d,
7706                     "Primary aux image is active\n");
7707                 active_pri_image = true;
7708         }
7709
7710 check_sec_image:
7711         if (!ha->flt_region_aux_img_status_sec) {
7712                 ql_dbg(ql_dbg_init, vha, 0x018a,
7713                     "Secondary aux image not addressed\n");
7714                 goto check_valid_image;
7715         }
7716
7717         qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status,
7718             ha->flt_region_aux_img_status_sec,
7719             sizeof(sec_aux_image_status) >> 2);
7720         qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status);
7721
7722         if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) {
7723                 ql_dbg(ql_dbg_init, vha, 0x018b,
7724                     "Secondary aux image signature (%#x) not valid\n",
7725                     le32_to_cpu(sec_aux_image_status.signature));
7726                 goto check_valid_image;
7727         }
7728
7729         if (qla27xx_image_status_checksum(&sec_aux_image_status)) {
7730                 ql_dbg(ql_dbg_init, vha, 0x018c,
7731                     "Secondary aux image checksum failed\n");
7732                 goto check_valid_image;
7733         }
7734
7735         valid_sec_image = true;
7736
7737         if (sec_aux_image_status.image_status_mask & 1) {
7738                 ql_dbg(ql_dbg_init, vha, 0x018d,
7739                     "Secondary aux image is active\n");
7740                 active_sec_image = true;
7741         }
7742
7743 check_valid_image:
7744         if (valid_pri_image && active_pri_image &&
7745             valid_sec_image && active_sec_image) {
7746                 if (qla27xx_compare_image_generation(&pri_aux_image_status,
7747                     &sec_aux_image_status) >= 0) {
7748                         qla28xx_component_status(active_regions,
7749                             &pri_aux_image_status);
7750                 } else {
7751                         qla28xx_component_status(active_regions,
7752                             &sec_aux_image_status);
7753                 }
7754         } else if (valid_pri_image && active_pri_image) {
7755                 qla28xx_component_status(active_regions, &pri_aux_image_status);
7756         } else if (valid_sec_image && active_sec_image) {
7757                 qla28xx_component_status(active_regions, &sec_aux_image_status);
7758         }
7759
7760         ql_dbg(ql_dbg_init, vha, 0x018f,
7761             "aux images active: BCFG=%u VPD/NVR=%u NPIV0/1=%u NPIV2/3=%u\n",
7762             active_regions->aux.board_config,
7763             active_regions->aux.vpd_nvram,
7764             active_regions->aux.npiv_config_0_1,
7765             active_regions->aux.npiv_config_2_3);
7766 }
7767
7768 void
7769 qla27xx_get_active_image(struct scsi_qla_host *vha,
7770     struct active_regions *active_regions)
7771 {
7772         struct qla_hw_data *ha = vha->hw;
7773         struct qla27xx_image_status pri_image_status, sec_image_status;
7774         bool valid_pri_image = false, valid_sec_image = false;
7775         bool active_pri_image = false, active_sec_image = false;
7776
7777         if (!ha->flt_region_img_status_pri) {
7778                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n");
7779                 goto check_sec_image;
7780         }
7781
7782         if (qla24xx_read_flash_data(vha, (uint32_t *)&pri_image_status,
7783             ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) !=
7784             QLA_SUCCESS) {
7785                 WARN_ON_ONCE(true);
7786                 goto check_sec_image;
7787         }
7788         qla27xx_print_image(vha, "Primary image", &pri_image_status);
7789
7790         if (qla27xx_check_image_status_signature(&pri_image_status)) {
7791                 ql_dbg(ql_dbg_init, vha, 0x018b,
7792                     "Primary image signature (%#x) not valid\n",
7793                     le32_to_cpu(pri_image_status.signature));
7794                 goto check_sec_image;
7795         }
7796
7797         if (qla27xx_image_status_checksum(&pri_image_status)) {
7798                 ql_dbg(ql_dbg_init, vha, 0x018c,
7799                     "Primary image checksum failed\n");
7800                 goto check_sec_image;
7801         }
7802
7803         valid_pri_image = true;
7804
7805         if (pri_image_status.image_status_mask & 1) {
7806                 ql_dbg(ql_dbg_init, vha, 0x018d,
7807                     "Primary image is active\n");
7808                 active_pri_image = true;
7809         }
7810
7811 check_sec_image:
7812         if (!ha->flt_region_img_status_sec) {
7813                 ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n");
7814                 goto check_valid_image;
7815         }
7816
7817         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
7818             ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2);
7819         qla27xx_print_image(vha, "Secondary image", &sec_image_status);
7820
7821         if (qla27xx_check_image_status_signature(&sec_image_status)) {
7822                 ql_dbg(ql_dbg_init, vha, 0x018b,
7823                     "Secondary image signature (%#x) not valid\n",
7824                     le32_to_cpu(sec_image_status.signature));
7825                 goto check_valid_image;
7826         }
7827
7828         if (qla27xx_image_status_checksum(&sec_image_status)) {
7829                 ql_dbg(ql_dbg_init, vha, 0x018c,
7830                     "Secondary image checksum failed\n");
7831                 goto check_valid_image;
7832         }
7833
7834         valid_sec_image = true;
7835
7836         if (sec_image_status.image_status_mask & 1) {
7837                 ql_dbg(ql_dbg_init, vha, 0x018d,
7838                     "Secondary image is active\n");
7839                 active_sec_image = true;
7840         }
7841
7842 check_valid_image:
7843         if (valid_pri_image && active_pri_image)
7844                 active_regions->global = QLA27XX_PRIMARY_IMAGE;
7845
7846         if (valid_sec_image && active_sec_image) {
7847                 if (!active_regions->global ||
7848                     qla27xx_compare_image_generation(
7849                         &pri_image_status, &sec_image_status) < 0) {
7850                         active_regions->global = QLA27XX_SECONDARY_IMAGE;
7851                 }
7852         }
7853
7854         ql_dbg(ql_dbg_init, vha, 0x018f, "active image %s (%u)\n",
7855             active_regions->global == QLA27XX_DEFAULT_IMAGE ?
7856                 "default (boot/fw)" :
7857             active_regions->global == QLA27XX_PRIMARY_IMAGE ?
7858                 "primary" :
7859             active_regions->global == QLA27XX_SECONDARY_IMAGE ?
7860                 "secondary" : "invalid",
7861             active_regions->global);
7862 }
7863
7864 bool qla24xx_risc_firmware_invalid(uint32_t *dword)
7865 {
7866         return
7867             !(dword[4] | dword[5] | dword[6] | dword[7]) ||
7868             !(~dword[4] | ~dword[5] | ~dword[6] | ~dword[7]);
7869 }
7870
7871 static int
7872 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
7873     uint32_t faddr)
7874 {
7875         int rval;
7876         uint templates, segments, fragment;
7877         ulong i;
7878         uint j;
7879         ulong dlen;
7880         uint32_t *dcode;
7881         uint32_t risc_addr, risc_size, risc_attr = 0;
7882         struct qla_hw_data *ha = vha->hw;
7883         struct req_que *req = ha->req_q_map[0];
7884         struct fwdt *fwdt = ha->fwdt;
7885
7886         ql_dbg(ql_dbg_init, vha, 0x008b,
7887             "FW: Loading firmware from flash (%x).\n", faddr);
7888
7889         dcode = (uint32_t *)req->ring;
7890         qla24xx_read_flash_data(vha, dcode, faddr, 8);
7891         if (qla24xx_risc_firmware_invalid(dcode)) {
7892                 ql_log(ql_log_fatal, vha, 0x008c,
7893                     "Unable to verify the integrity of flash firmware "
7894                     "image.\n");
7895                 ql_log(ql_log_fatal, vha, 0x008d,
7896                     "Firmware data: %08x %08x %08x %08x.\n",
7897                     dcode[0], dcode[1], dcode[2], dcode[3]);
7898
7899                 return QLA_FUNCTION_FAILED;
7900         }
7901
7902         dcode = (uint32_t *)req->ring;
7903         *srisc_addr = 0;
7904         segments = FA_RISC_CODE_SEGMENTS;
7905         for (j = 0; j < segments; j++) {
7906                 ql_dbg(ql_dbg_init, vha, 0x008d,
7907                     "-> Loading segment %u...\n", j);
7908                 qla24xx_read_flash_data(vha, dcode, faddr, 10);
7909                 risc_addr = be32_to_cpu((__force __be32)dcode[2]);
7910                 risc_size = be32_to_cpu((__force __be32)dcode[3]);
7911                 if (!*srisc_addr) {
7912                         *srisc_addr = risc_addr;
7913                         risc_attr = be32_to_cpu((__force __be32)dcode[9]);
7914                 }
7915
7916                 dlen = ha->fw_transfer_size >> 2;
7917                 for (fragment = 0; risc_size; fragment++) {
7918                         if (dlen > risc_size)
7919                                 dlen = risc_size;
7920
7921                         ql_dbg(ql_dbg_init, vha, 0x008e,
7922                             "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n",
7923                             fragment, risc_addr, faddr, dlen);
7924                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
7925                         for (i = 0; i < dlen; i++)
7926                                 dcode[i] = swab32(dcode[i]);
7927
7928                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
7929                         if (rval) {
7930                                 ql_log(ql_log_fatal, vha, 0x008f,
7931                                     "-> Failed load firmware fragment %u.\n",
7932                                     fragment);
7933                                 return QLA_FUNCTION_FAILED;
7934                         }
7935
7936                         faddr += dlen;
7937                         risc_addr += dlen;
7938                         risc_size -= dlen;
7939                 }
7940         }
7941
7942         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
7943                 return QLA_SUCCESS;
7944
7945         templates = (risc_attr & BIT_9) ? 2 : 1;
7946         ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates);
7947         for (j = 0; j < templates; j++, fwdt++) {
7948                 vfree(fwdt->template);
7949                 fwdt->template = NULL;
7950                 fwdt->length = 0;
7951
7952                 dcode = (uint32_t *)req->ring;
7953                 qla24xx_read_flash_data(vha, dcode, faddr, 7);
7954                 risc_size = be32_to_cpu((__force __be32)dcode[2]);
7955                 ql_dbg(ql_dbg_init, vha, 0x0161,
7956                     "-> fwdt%u template array at %#x (%#x dwords)\n",
7957                     j, faddr, risc_size);
7958                 if (!risc_size || !~risc_size) {
7959                         ql_dbg(ql_dbg_init, vha, 0x0162,
7960                             "-> fwdt%u failed to read array\n", j);
7961                         goto failed;
7962                 }
7963
7964                 /* skip header and ignore checksum */
7965                 faddr += 7;
7966                 risc_size -= 8;
7967
7968                 ql_dbg(ql_dbg_init, vha, 0x0163,
7969                     "-> fwdt%u template allocate template %#x words...\n",
7970                     j, risc_size);
7971                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
7972                 if (!fwdt->template) {
7973                         ql_log(ql_log_warn, vha, 0x0164,
7974                             "-> fwdt%u failed allocate template.\n", j);
7975                         goto failed;
7976                 }
7977
7978                 dcode = fwdt->template;
7979                 qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
7980
7981                 if (!qla27xx_fwdt_template_valid(dcode)) {
7982                         ql_log(ql_log_warn, vha, 0x0165,
7983                             "-> fwdt%u failed template validate\n", j);
7984                         goto failed;
7985                 }
7986
7987                 dlen = qla27xx_fwdt_template_size(dcode);
7988                 ql_dbg(ql_dbg_init, vha, 0x0166,
7989                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
7990                     j, dlen, dlen / sizeof(*dcode));
7991                 if (dlen > risc_size * sizeof(*dcode)) {
7992                         ql_log(ql_log_warn, vha, 0x0167,
7993                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
7994                             j, dlen - risc_size * sizeof(*dcode));
7995                         goto failed;
7996                 }
7997
7998                 fwdt->length = dlen;
7999                 ql_dbg(ql_dbg_init, vha, 0x0168,
8000                     "-> fwdt%u loaded template ok\n", j);
8001
8002                 faddr += risc_size + 1;
8003         }
8004
8005         return QLA_SUCCESS;
8006
8007 failed:
8008         vfree(fwdt->template);
8009         fwdt->template = NULL;
8010         fwdt->length = 0;
8011
8012         return QLA_SUCCESS;
8013 }
8014
8015 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
8016
8017 int
8018 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8019 {
8020         int     rval;
8021         int     i, fragment;
8022         uint16_t *wcode;
8023         __be16   *fwcode;
8024         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
8025         struct fw_blob *blob;
8026         struct qla_hw_data *ha = vha->hw;
8027         struct req_que *req = ha->req_q_map[0];
8028
8029         /* Load firmware blob. */
8030         blob = qla2x00_request_firmware(vha);
8031         if (!blob) {
8032                 ql_log(ql_log_info, vha, 0x0083,
8033                     "Firmware image unavailable.\n");
8034                 ql_log(ql_log_info, vha, 0x0084,
8035                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
8036                 return QLA_FUNCTION_FAILED;
8037         }
8038
8039         rval = QLA_SUCCESS;
8040
8041         wcode = (uint16_t *)req->ring;
8042         *srisc_addr = 0;
8043         fwcode = (__force __be16 *)blob->fw->data;
8044         fwclen = 0;
8045
8046         /* Validate firmware image by checking version. */
8047         if (blob->fw->size < 8 * sizeof(uint16_t)) {
8048                 ql_log(ql_log_fatal, vha, 0x0085,
8049                     "Unable to verify integrity of firmware image (%zd).\n",
8050                     blob->fw->size);
8051                 goto fail_fw_integrity;
8052         }
8053         for (i = 0; i < 4; i++)
8054                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
8055         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
8056             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
8057                 wcode[2] == 0 && wcode[3] == 0)) {
8058                 ql_log(ql_log_fatal, vha, 0x0086,
8059                     "Unable to verify integrity of firmware image.\n");
8060                 ql_log(ql_log_fatal, vha, 0x0087,
8061                     "Firmware data: %04x %04x %04x %04x.\n",
8062                     wcode[0], wcode[1], wcode[2], wcode[3]);
8063                 goto fail_fw_integrity;
8064         }
8065
8066         seg = blob->segs;
8067         while (*seg && rval == QLA_SUCCESS) {
8068                 risc_addr = *seg;
8069                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
8070                 risc_size = be16_to_cpu(fwcode[3]);
8071
8072                 /* Validate firmware image size. */
8073                 fwclen += risc_size * sizeof(uint16_t);
8074                 if (blob->fw->size < fwclen) {
8075                         ql_log(ql_log_fatal, vha, 0x0088,
8076                             "Unable to verify integrity of firmware image "
8077                             "(%zd).\n", blob->fw->size);
8078                         goto fail_fw_integrity;
8079                 }
8080
8081                 fragment = 0;
8082                 while (risc_size > 0 && rval == QLA_SUCCESS) {
8083                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
8084                         if (wlen > risc_size)
8085                                 wlen = risc_size;
8086                         ql_dbg(ql_dbg_init, vha, 0x0089,
8087                             "Loading risc segment@ risc addr %x number of "
8088                             "words 0x%x.\n", risc_addr, wlen);
8089
8090                         for (i = 0; i < wlen; i++)
8091                                 wcode[i] = swab16((__force u32)fwcode[i]);
8092
8093                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
8094                             wlen);
8095                         if (rval) {
8096                                 ql_log(ql_log_fatal, vha, 0x008a,
8097                                     "Failed to load segment %d of firmware.\n",
8098                                     fragment);
8099                                 break;
8100                         }
8101
8102                         fwcode += wlen;
8103                         risc_addr += wlen;
8104                         risc_size -= wlen;
8105                         fragment++;
8106                 }
8107
8108                 /* Next segment. */
8109                 seg++;
8110         }
8111         return rval;
8112
8113 fail_fw_integrity:
8114         return QLA_FUNCTION_FAILED;
8115 }
8116
8117 static int
8118 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8119 {
8120         int     rval;
8121         uint templates, segments, fragment;
8122         uint32_t *dcode;
8123         ulong dlen;
8124         uint32_t risc_addr, risc_size, risc_attr = 0;
8125         ulong i;
8126         uint j;
8127         struct fw_blob *blob;
8128         __be32 *fwcode;
8129         struct qla_hw_data *ha = vha->hw;
8130         struct req_que *req = ha->req_q_map[0];
8131         struct fwdt *fwdt = ha->fwdt;
8132
8133         ql_dbg(ql_dbg_init, vha, 0x0090,
8134             "-> FW: Loading via request-firmware.\n");
8135
8136         blob = qla2x00_request_firmware(vha);
8137         if (!blob) {
8138                 ql_log(ql_log_warn, vha, 0x0092,
8139                     "-> Firmware file not found.\n");
8140
8141                 return QLA_FUNCTION_FAILED;
8142         }
8143
8144         fwcode = (__force __be32 *)blob->fw->data;
8145         dcode = (__force uint32_t *)fwcode;
8146         if (qla24xx_risc_firmware_invalid(dcode)) {
8147                 ql_log(ql_log_fatal, vha, 0x0093,
8148                     "Unable to verify integrity of firmware image (%zd).\n",
8149                     blob->fw->size);
8150                 ql_log(ql_log_fatal, vha, 0x0095,
8151                     "Firmware data: %08x %08x %08x %08x.\n",
8152                     dcode[0], dcode[1], dcode[2], dcode[3]);
8153                 return QLA_FUNCTION_FAILED;
8154         }
8155
8156         dcode = (uint32_t *)req->ring;
8157         *srisc_addr = 0;
8158         segments = FA_RISC_CODE_SEGMENTS;
8159         for (j = 0; j < segments; j++) {
8160                 ql_dbg(ql_dbg_init, vha, 0x0096,
8161                     "-> Loading segment %u...\n", j);
8162                 risc_addr = be32_to_cpu(fwcode[2]);
8163                 risc_size = be32_to_cpu(fwcode[3]);
8164
8165                 if (!*srisc_addr) {
8166                         *srisc_addr = risc_addr;
8167                         risc_attr = be32_to_cpu(fwcode[9]);
8168                 }
8169
8170                 dlen = ha->fw_transfer_size >> 2;
8171                 for (fragment = 0; risc_size; fragment++) {
8172                         if (dlen > risc_size)
8173                                 dlen = risc_size;
8174
8175                         ql_dbg(ql_dbg_init, vha, 0x0097,
8176                             "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n",
8177                             fragment, risc_addr,
8178                             (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data),
8179                             dlen);
8180
8181                         for (i = 0; i < dlen; i++)
8182                                 dcode[i] = swab32((__force u32)fwcode[i]);
8183
8184                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8185                         if (rval) {
8186                                 ql_log(ql_log_fatal, vha, 0x0098,
8187                                     "-> Failed load firmware fragment %u.\n",
8188                                     fragment);
8189                                 return QLA_FUNCTION_FAILED;
8190                         }
8191
8192                         fwcode += dlen;
8193                         risc_addr += dlen;
8194                         risc_size -= dlen;
8195                 }
8196         }
8197
8198         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8199                 return QLA_SUCCESS;
8200
8201         templates = (risc_attr & BIT_9) ? 2 : 1;
8202         ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates);
8203         for (j = 0; j < templates; j++, fwdt++) {
8204                 vfree(fwdt->template);
8205                 fwdt->template = NULL;
8206                 fwdt->length = 0;
8207
8208                 risc_size = be32_to_cpu(fwcode[2]);
8209                 ql_dbg(ql_dbg_init, vha, 0x0171,
8210                     "-> fwdt%u template array at %#x (%#x dwords)\n",
8211                     j, (uint32_t)((void *)fwcode - (void *)blob->fw->data),
8212                     risc_size);
8213                 if (!risc_size || !~risc_size) {
8214                         ql_dbg(ql_dbg_init, vha, 0x0172,
8215                             "-> fwdt%u failed to read array\n", j);
8216                         goto failed;
8217                 }
8218
8219                 /* skip header and ignore checksum */
8220                 fwcode += 7;
8221                 risc_size -= 8;
8222
8223                 ql_dbg(ql_dbg_init, vha, 0x0173,
8224                     "-> fwdt%u template allocate template %#x words...\n",
8225                     j, risc_size);
8226                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
8227                 if (!fwdt->template) {
8228                         ql_log(ql_log_warn, vha, 0x0174,
8229                             "-> fwdt%u failed allocate template.\n", j);
8230                         goto failed;
8231                 }
8232
8233                 dcode = fwdt->template;
8234                 for (i = 0; i < risc_size; i++)
8235                         dcode[i] = (__force u32)fwcode[i];
8236
8237                 if (!qla27xx_fwdt_template_valid(dcode)) {
8238                         ql_log(ql_log_warn, vha, 0x0175,
8239                             "-> fwdt%u failed template validate\n", j);
8240                         goto failed;
8241                 }
8242
8243                 dlen = qla27xx_fwdt_template_size(dcode);
8244                 ql_dbg(ql_dbg_init, vha, 0x0176,
8245                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8246                     j, dlen, dlen / sizeof(*dcode));
8247                 if (dlen > risc_size * sizeof(*dcode)) {
8248                         ql_log(ql_log_warn, vha, 0x0177,
8249                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
8250                             j, dlen - risc_size * sizeof(*dcode));
8251                         goto failed;
8252                 }
8253
8254                 fwdt->length = dlen;
8255                 ql_dbg(ql_dbg_init, vha, 0x0178,
8256                     "-> fwdt%u loaded template ok\n", j);
8257
8258                 fwcode += risc_size + 1;
8259         }
8260
8261         return QLA_SUCCESS;
8262
8263 failed:
8264         vfree(fwdt->template);
8265         fwdt->template = NULL;
8266         fwdt->length = 0;
8267
8268         return QLA_SUCCESS;
8269 }
8270
8271 int
8272 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8273 {
8274         int rval;
8275
8276         if (ql2xfwloadbin == 1)
8277                 return qla81xx_load_risc(vha, srisc_addr);
8278
8279         /*
8280          * FW Load priority:
8281          * 1) Firmware via request-firmware interface (.bin file).
8282          * 2) Firmware residing in flash.
8283          */
8284         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8285         if (rval == QLA_SUCCESS)
8286                 return rval;
8287
8288         return qla24xx_load_risc_flash(vha, srisc_addr,
8289             vha->hw->flt_region_fw);
8290 }
8291
8292 int
8293 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8294 {
8295         int rval;
8296         struct qla_hw_data *ha = vha->hw;
8297         struct active_regions active_regions = { };
8298
8299         if (ql2xfwloadbin == 2)
8300                 goto try_blob_fw;
8301
8302         /* FW Load priority:
8303          * 1) Firmware residing in flash.
8304          * 2) Firmware via request-firmware interface (.bin file).
8305          * 3) Golden-Firmware residing in flash -- (limited operation).
8306          */
8307
8308         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8309                 goto try_primary_fw;
8310
8311         qla27xx_get_active_image(vha, &active_regions);
8312
8313         if (active_regions.global != QLA27XX_SECONDARY_IMAGE)
8314                 goto try_primary_fw;
8315
8316         ql_dbg(ql_dbg_init, vha, 0x008b,
8317             "Loading secondary firmware image.\n");
8318         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw_sec);
8319         if (!rval)
8320                 return rval;
8321
8322 try_primary_fw:
8323         ql_dbg(ql_dbg_init, vha, 0x008b,
8324             "Loading primary firmware image.\n");
8325         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
8326         if (!rval)
8327                 return rval;
8328
8329 try_blob_fw:
8330         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8331         if (!rval || !ha->flt_region_gold_fw)
8332                 return rval;
8333
8334         ql_log(ql_log_info, vha, 0x0099,
8335             "Attempting to fallback to golden firmware.\n");
8336         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
8337         if (rval)
8338                 return rval;
8339
8340         ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n");
8341         ha->flags.running_gold_fw = 1;
8342         return rval;
8343 }
8344
8345 void
8346 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
8347 {
8348         int ret, retries;
8349         struct qla_hw_data *ha = vha->hw;
8350
8351         if (ha->flags.pci_channel_io_perm_failure)
8352                 return;
8353         if (!IS_FWI2_CAPABLE(ha))
8354                 return;
8355         if (!ha->fw_major_version)
8356                 return;
8357         if (!ha->flags.fw_started)
8358                 return;
8359
8360         ret = qla2x00_stop_firmware(vha);
8361         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
8362             ret != QLA_INVALID_COMMAND && retries ; retries--) {
8363                 ha->isp_ops->reset_chip(vha);
8364                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
8365                         continue;
8366                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
8367                         continue;
8368                 ql_log(ql_log_info, vha, 0x8015,
8369                     "Attempting retry of stop-firmware command.\n");
8370                 ret = qla2x00_stop_firmware(vha);
8371         }
8372
8373         QLA_FW_STOPPED(ha);
8374         ha->flags.fw_init_done = 0;
8375 }
8376
8377 int
8378 qla24xx_configure_vhba(scsi_qla_host_t *vha)
8379 {
8380         int rval = QLA_SUCCESS;
8381         int rval2;
8382         uint16_t mb[MAILBOX_REGISTER_COUNT];
8383         struct qla_hw_data *ha = vha->hw;
8384         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
8385
8386         if (!vha->vp_idx)
8387                 return -EINVAL;
8388
8389         rval = qla2x00_fw_ready(base_vha);
8390
8391         if (rval == QLA_SUCCESS) {
8392                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8393                 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8394         }
8395
8396         vha->flags.management_server_logged_in = 0;
8397
8398         /* Login to SNS first */
8399         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
8400             BIT_1);
8401         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
8402                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
8403                         ql_dbg(ql_dbg_init, vha, 0x0120,
8404                             "Failed SNS login: loop_id=%x, rval2=%d\n",
8405                             NPH_SNS, rval2);
8406                 else
8407                         ql_dbg(ql_dbg_init, vha, 0x0103,
8408                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
8409                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
8410                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
8411                 return (QLA_FUNCTION_FAILED);
8412         }
8413
8414         atomic_set(&vha->loop_down_timer, 0);
8415         atomic_set(&vha->loop_state, LOOP_UP);
8416         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8417         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
8418         rval = qla2x00_loop_resync(base_vha);
8419
8420         return rval;
8421 }
8422
8423 /* 84XX Support **************************************************************/
8424
8425 static LIST_HEAD(qla_cs84xx_list);
8426 static DEFINE_MUTEX(qla_cs84xx_mutex);
8427
8428 static struct qla_chip_state_84xx *
8429 qla84xx_get_chip(struct scsi_qla_host *vha)
8430 {
8431         struct qla_chip_state_84xx *cs84xx;
8432         struct qla_hw_data *ha = vha->hw;
8433
8434         mutex_lock(&qla_cs84xx_mutex);
8435
8436         /* Find any shared 84xx chip. */
8437         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
8438                 if (cs84xx->bus == ha->pdev->bus) {
8439                         kref_get(&cs84xx->kref);
8440                         goto done;
8441                 }
8442         }
8443
8444         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
8445         if (!cs84xx)
8446                 goto done;
8447
8448         kref_init(&cs84xx->kref);
8449         spin_lock_init(&cs84xx->access_lock);
8450         mutex_init(&cs84xx->fw_update_mutex);
8451         cs84xx->bus = ha->pdev->bus;
8452
8453         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
8454 done:
8455         mutex_unlock(&qla_cs84xx_mutex);
8456         return cs84xx;
8457 }
8458
8459 static void
8460 __qla84xx_chip_release(struct kref *kref)
8461 {
8462         struct qla_chip_state_84xx *cs84xx =
8463             container_of(kref, struct qla_chip_state_84xx, kref);
8464
8465         mutex_lock(&qla_cs84xx_mutex);
8466         list_del(&cs84xx->list);
8467         mutex_unlock(&qla_cs84xx_mutex);
8468         kfree(cs84xx);
8469 }
8470
8471 void
8472 qla84xx_put_chip(struct scsi_qla_host *vha)
8473 {
8474         struct qla_hw_data *ha = vha->hw;
8475
8476         if (ha->cs84xx)
8477                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
8478 }
8479
8480 static int
8481 qla84xx_init_chip(scsi_qla_host_t *vha)
8482 {
8483         int rval;
8484         uint16_t status[2];
8485         struct qla_hw_data *ha = vha->hw;
8486
8487         mutex_lock(&ha->cs84xx->fw_update_mutex);
8488
8489         rval = qla84xx_verify_chip(vha, status);
8490
8491         mutex_unlock(&ha->cs84xx->fw_update_mutex);
8492
8493         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED :
8494             QLA_SUCCESS;
8495 }
8496
8497 /* 81XX Support **************************************************************/
8498
8499 int
8500 qla81xx_nvram_config(scsi_qla_host_t *vha)
8501 {
8502         int   rval;
8503         struct init_cb_81xx *icb;
8504         struct nvram_81xx *nv;
8505         __le32 *dptr;
8506         uint8_t  *dptr1, *dptr2;
8507         uint32_t chksum;
8508         uint16_t cnt;
8509         struct qla_hw_data *ha = vha->hw;
8510         uint32_t faddr;
8511         struct active_regions active_regions = { };
8512
8513         rval = QLA_SUCCESS;
8514         icb = (struct init_cb_81xx *)ha->init_cb;
8515         nv = ha->nvram;
8516
8517         /* Determine NVRAM starting address. */
8518         ha->nvram_size = sizeof(*nv);
8519         ha->vpd_size = FA_NVRAM_VPD_SIZE;
8520         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
8521                 ha->vpd_size = FA_VPD_SIZE_82XX;
8522
8523         if (IS_QLA28XX(ha) || IS_QLA27XX(ha))
8524                 qla28xx_get_aux_images(vha, &active_regions);
8525
8526         /* Get VPD data into cache */
8527         ha->vpd = ha->nvram + VPD_OFFSET;
8528
8529         faddr = ha->flt_region_vpd;
8530         if (IS_QLA28XX(ha)) {
8531                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8532                         faddr = ha->flt_region_vpd_sec;
8533                 ql_dbg(ql_dbg_init, vha, 0x0110,
8534                     "Loading %s nvram image.\n",
8535                     active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8536                     "primary" : "secondary");
8537         }
8538         ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size);
8539
8540         /* Get NVRAM data into cache and calculate checksum. */
8541         faddr = ha->flt_region_nvram;
8542         if (IS_QLA28XX(ha)) {
8543                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8544                         faddr = ha->flt_region_nvram_sec;
8545         }
8546         ql_dbg(ql_dbg_init, vha, 0x0110,
8547             "Loading %s nvram image.\n",
8548             active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8549             "primary" : "secondary");
8550         ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
8551
8552         dptr = (__force __le32 *)nv;
8553         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
8554                 chksum += le32_to_cpu(*dptr);
8555
8556         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
8557             "Contents of NVRAM:\n");
8558         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
8559             nv, ha->nvram_size);
8560
8561         /* Bad NVRAM data, set defaults parameters. */
8562         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
8563             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
8564                 /* Reset NVRAM data. */
8565                 ql_log(ql_log_info, vha, 0x0073,
8566                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
8567                     chksum, nv->id, le16_to_cpu(nv->nvram_version));
8568                 ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv));
8569                 ql_log(ql_log_info, vha, 0x0074,
8570                     "Falling back to functioning (yet invalid -- WWPN) "
8571                     "defaults.\n");
8572
8573                 /*
8574                  * Set default initialization control block.
8575                  */
8576                 memset(nv, 0, ha->nvram_size);
8577                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
8578                 nv->version = cpu_to_le16(ICB_VERSION);
8579                 nv->frame_payload_size = cpu_to_le16(2048);
8580                 nv->execution_throttle = cpu_to_le16(0xFFFF);
8581                 nv->exchange_count = cpu_to_le16(0);
8582                 nv->port_name[0] = 0x21;
8583                 nv->port_name[1] = 0x00 + ha->port_no + 1;
8584                 nv->port_name[2] = 0x00;
8585                 nv->port_name[3] = 0xe0;
8586                 nv->port_name[4] = 0x8b;
8587                 nv->port_name[5] = 0x1c;
8588                 nv->port_name[6] = 0x55;
8589                 nv->port_name[7] = 0x86;
8590                 nv->node_name[0] = 0x20;
8591                 nv->node_name[1] = 0x00;
8592                 nv->node_name[2] = 0x00;
8593                 nv->node_name[3] = 0xe0;
8594                 nv->node_name[4] = 0x8b;
8595                 nv->node_name[5] = 0x1c;
8596                 nv->node_name[6] = 0x55;
8597                 nv->node_name[7] = 0x86;
8598                 nv->login_retry_count = cpu_to_le16(8);
8599                 nv->interrupt_delay_timer = cpu_to_le16(0);
8600                 nv->login_timeout = cpu_to_le16(0);
8601                 nv->firmware_options_1 =
8602                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
8603                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
8604                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
8605                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
8606                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
8607                 nv->efi_parameters = cpu_to_le32(0);
8608                 nv->reset_delay = 5;
8609                 nv->max_luns_per_target = cpu_to_le16(128);
8610                 nv->port_down_retry_count = cpu_to_le16(30);
8611                 nv->link_down_timeout = cpu_to_le16(180);
8612                 nv->enode_mac[0] = 0x00;
8613                 nv->enode_mac[1] = 0xC0;
8614                 nv->enode_mac[2] = 0xDD;
8615                 nv->enode_mac[3] = 0x04;
8616                 nv->enode_mac[4] = 0x05;
8617                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
8618
8619                 rval = 1;
8620         }
8621
8622         if (IS_T10_PI_CAPABLE(ha))
8623                 nv->frame_payload_size &= cpu_to_le16(~7);
8624
8625         qlt_81xx_config_nvram_stage1(vha, nv);
8626
8627         /* Reset Initialization control block */
8628         memset(icb, 0, ha->init_cb_size);
8629
8630         /* Copy 1st segment. */
8631         dptr1 = (uint8_t *)icb;
8632         dptr2 = (uint8_t *)&nv->version;
8633         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
8634         while (cnt--)
8635                 *dptr1++ = *dptr2++;
8636
8637         icb->login_retry_count = nv->login_retry_count;
8638
8639         /* Copy 2nd segment. */
8640         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
8641         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
8642         cnt = (uint8_t *)&icb->reserved_5 -
8643             (uint8_t *)&icb->interrupt_delay_timer;
8644         while (cnt--)
8645                 *dptr1++ = *dptr2++;
8646
8647         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
8648         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
8649         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
8650                 icb->enode_mac[0] = 0x00;
8651                 icb->enode_mac[1] = 0xC0;
8652                 icb->enode_mac[2] = 0xDD;
8653                 icb->enode_mac[3] = 0x04;
8654                 icb->enode_mac[4] = 0x05;
8655                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
8656         }
8657
8658         /* Use extended-initialization control block. */
8659         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
8660         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
8661         /*
8662          * Setup driver NVRAM options.
8663          */
8664         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
8665             "QLE8XXX");
8666
8667         qlt_81xx_config_nvram_stage2(vha, icb);
8668
8669         /* Use alternate WWN? */
8670         if (nv->host_p & cpu_to_le32(BIT_15)) {
8671                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
8672                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
8673         }
8674
8675         /* Prepare nodename */
8676         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
8677                 /*
8678                  * Firmware will apply the following mask if the nodename was
8679                  * not provided.
8680                  */
8681                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
8682                 icb->node_name[0] &= 0xF0;
8683         }
8684
8685         if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
8686                 if ((nv->enhanced_features & BIT_7) == 0)
8687                         ha->flags.scm_supported_a = 1;
8688         }
8689
8690         /* Set host adapter parameters. */
8691         ha->flags.disable_risc_code_load = 0;
8692         ha->flags.enable_lip_reset = 0;
8693         ha->flags.enable_lip_full_login =
8694             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
8695         ha->flags.enable_target_reset =
8696             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
8697         ha->flags.enable_led_scheme = 0;
8698         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
8699
8700         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
8701             (BIT_6 | BIT_5 | BIT_4)) >> 4;
8702
8703         /* save HBA serial number */
8704         ha->serial0 = icb->port_name[5];
8705         ha->serial1 = icb->port_name[6];
8706         ha->serial2 = icb->port_name[7];
8707         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
8708         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
8709
8710         icb->execution_throttle = cpu_to_le16(0xFFFF);
8711
8712         ha->retry_count = le16_to_cpu(nv->login_retry_count);
8713
8714         /* Set minimum login_timeout to 4 seconds. */
8715         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
8716                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
8717         if (le16_to_cpu(nv->login_timeout) < 4)
8718                 nv->login_timeout = cpu_to_le16(4);
8719         ha->login_timeout = le16_to_cpu(nv->login_timeout);
8720
8721         /* Set minimum RATOV to 100 tenths of a second. */
8722         ha->r_a_tov = 100;
8723
8724         ha->loop_reset_delay = nv->reset_delay;
8725
8726         /* Link Down Timeout = 0:
8727          *
8728          *      When Port Down timer expires we will start returning
8729          *      I/O's to OS with "DID_NO_CONNECT".
8730          *
8731          * Link Down Timeout != 0:
8732          *
8733          *       The driver waits for the link to come up after link down
8734          *       before returning I/Os to OS with "DID_NO_CONNECT".
8735          */
8736         if (le16_to_cpu(nv->link_down_timeout) == 0) {
8737                 ha->loop_down_abort_time =
8738                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
8739         } else {
8740                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
8741                 ha->loop_down_abort_time =
8742                     (LOOP_DOWN_TIME - ha->link_down_timeout);
8743         }
8744
8745         /* Need enough time to try and get the port back. */
8746         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8747         if (qlport_down_retry)
8748                 ha->port_down_retry_count = qlport_down_retry;
8749
8750         /* Set login_retry_count */
8751         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8752         if (ha->port_down_retry_count ==
8753             le16_to_cpu(nv->port_down_retry_count) &&
8754             ha->port_down_retry_count > 3)
8755                 ha->login_retry_count = ha->port_down_retry_count;
8756         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8757                 ha->login_retry_count = ha->port_down_retry_count;
8758         if (ql2xloginretrycount)
8759                 ha->login_retry_count = ql2xloginretrycount;
8760
8761         /* if not running MSI-X we need handshaking on interrupts */
8762         if (!vha->hw->flags.msix_enabled &&
8763             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)))
8764                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8765
8766         /* Enable ZIO. */
8767         if (!vha->flags.init_done) {
8768                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8769                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8770                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8771                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
8772         }
8773         icb->firmware_options_2 &= cpu_to_le32(
8774             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8775         vha->flags.process_response_queue = 0;
8776         if (ha->zio_mode != QLA_ZIO_DISABLED) {
8777                 ha->zio_mode = QLA_ZIO_MODE_6;
8778
8779                 ql_log(ql_log_info, vha, 0x0075,
8780                     "ZIO mode %d enabled; timer delay (%d us).\n",
8781                     ha->zio_mode,
8782                     ha->zio_timer * 100);
8783
8784                 icb->firmware_options_2 |= cpu_to_le32(
8785                     (uint32_t)ha->zio_mode);
8786                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8787                 vha->flags.process_response_queue = 1;
8788         }
8789
8790          /* enable RIDA Format2 */
8791         icb->firmware_options_3 |= cpu_to_le32(BIT_0);
8792
8793         /* N2N: driver will initiate Login instead of FW */
8794         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
8795
8796         /* Determine NVMe/FCP priority for target ports */
8797         ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha);
8798
8799         if (rval) {
8800                 ql_log(ql_log_warn, vha, 0x0076,
8801                     "NVRAM configuration failed.\n");
8802         }
8803         return (rval);
8804 }
8805
8806 int
8807 qla82xx_restart_isp(scsi_qla_host_t *vha)
8808 {
8809         int status, rval;
8810         struct qla_hw_data *ha = vha->hw;
8811         struct scsi_qla_host *vp;
8812         unsigned long flags;
8813
8814         status = qla2x00_init_rings(vha);
8815         if (!status) {
8816                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8817                 ha->flags.chip_reset_done = 1;
8818
8819                 status = qla2x00_fw_ready(vha);
8820                 if (!status) {
8821                         /* Issue a marker after FW becomes ready. */
8822                         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8823                         vha->flags.online = 1;
8824                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8825                 }
8826
8827                 /* if no cable then assume it's good */
8828                 if ((vha->device_flags & DFLG_NO_CABLE))
8829                         status = 0;
8830         }
8831
8832         if (!status) {
8833                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8834
8835                 if (!atomic_read(&vha->loop_down_timer)) {
8836                         /*
8837                          * Issue marker command only when we are going
8838                          * to start the I/O .
8839                          */
8840                         vha->marker_needed = 1;
8841                 }
8842
8843                 ha->isp_ops->enable_intrs(ha);
8844
8845                 ha->isp_abort_cnt = 0;
8846                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
8847
8848                 /* Update the firmware version */
8849                 status = qla82xx_check_md_needed(vha);
8850
8851                 if (ha->fce) {
8852                         ha->flags.fce_enabled = 1;
8853                         memset(ha->fce, 0,
8854                             fce_calc_size(ha->fce_bufs));
8855                         rval = qla2x00_enable_fce_trace(vha,
8856                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
8857                             &ha->fce_bufs);
8858                         if (rval) {
8859                                 ql_log(ql_log_warn, vha, 0x8001,
8860                                     "Unable to reinitialize FCE (%d).\n",
8861                                     rval);
8862                                 ha->flags.fce_enabled = 0;
8863                         }
8864                 }
8865
8866                 if (ha->eft) {
8867                         memset(ha->eft, 0, EFT_SIZE);
8868                         rval = qla2x00_enable_eft_trace(vha,
8869                             ha->eft_dma, EFT_NUM_BUFFERS);
8870                         if (rval) {
8871                                 ql_log(ql_log_warn, vha, 0x8010,
8872                                     "Unable to reinitialize EFT (%d).\n",
8873                                     rval);
8874                         }
8875                 }
8876         }
8877
8878         if (!status) {
8879                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
8880                     "qla82xx_restart_isp succeeded.\n");
8881
8882                 spin_lock_irqsave(&ha->vport_slock, flags);
8883                 list_for_each_entry(vp, &ha->vp_list, list) {
8884                         if (vp->vp_idx) {
8885                                 atomic_inc(&vp->vref_count);
8886                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8887
8888                                 qla2x00_vp_abort_isp(vp);
8889
8890                                 spin_lock_irqsave(&ha->vport_slock, flags);
8891                                 atomic_dec(&vp->vref_count);
8892                         }
8893                 }
8894                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8895
8896         } else {
8897                 ql_log(ql_log_warn, vha, 0x8016,
8898                     "qla82xx_restart_isp **** FAILED ****.\n");
8899         }
8900
8901         return status;
8902 }
8903
8904 /*
8905  * qla24xx_get_fcp_prio
8906  *      Gets the fcp cmd priority value for the logged in port.
8907  *      Looks for a match of the port descriptors within
8908  *      each of the fcp prio config entries. If a match is found,
8909  *      the tag (priority) value is returned.
8910  *
8911  * Input:
8912  *      vha = scsi host structure pointer.
8913  *      fcport = port structure pointer.
8914  *
8915  * Return:
8916  *      non-zero (if found)
8917  *      -1 (if not found)
8918  *
8919  * Context:
8920  *      Kernel context
8921  */
8922 static int
8923 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8924 {
8925         int i, entries;
8926         uint8_t pid_match, wwn_match;
8927         int priority;
8928         uint32_t pid1, pid2;
8929         uint64_t wwn1, wwn2;
8930         struct qla_fcp_prio_entry *pri_entry;
8931         struct qla_hw_data *ha = vha->hw;
8932
8933         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
8934                 return -1;
8935
8936         priority = -1;
8937         entries = ha->fcp_prio_cfg->num_entries;
8938         pri_entry = &ha->fcp_prio_cfg->entry[0];
8939
8940         for (i = 0; i < entries; i++) {
8941                 pid_match = wwn_match = 0;
8942
8943                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
8944                         pri_entry++;
8945                         continue;
8946                 }
8947
8948                 /* check source pid for a match */
8949                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
8950                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
8951                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
8952                         if (pid1 == INVALID_PORT_ID)
8953                                 pid_match++;
8954                         else if (pid1 == pid2)
8955                                 pid_match++;
8956                 }
8957
8958                 /* check destination pid for a match */
8959                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
8960                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
8961                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
8962                         if (pid1 == INVALID_PORT_ID)
8963                                 pid_match++;
8964                         else if (pid1 == pid2)
8965                                 pid_match++;
8966                 }
8967
8968                 /* check source WWN for a match */
8969                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
8970                         wwn1 = wwn_to_u64(vha->port_name);
8971                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
8972                         if (wwn2 == (uint64_t)-1)
8973                                 wwn_match++;
8974                         else if (wwn1 == wwn2)
8975                                 wwn_match++;
8976                 }
8977
8978                 /* check destination WWN for a match */
8979                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
8980                         wwn1 = wwn_to_u64(fcport->port_name);
8981                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
8982                         if (wwn2 == (uint64_t)-1)
8983                                 wwn_match++;
8984                         else if (wwn1 == wwn2)
8985                                 wwn_match++;
8986                 }
8987
8988                 if (pid_match == 2 || wwn_match == 2) {
8989                         /* Found a matching entry */
8990                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
8991                                 priority = pri_entry->tag;
8992                         break;
8993                 }
8994
8995                 pri_entry++;
8996         }
8997
8998         return priority;
8999 }
9000
9001 /*
9002  * qla24xx_update_fcport_fcp_prio
9003  *      Activates fcp priority for the logged in fc port
9004  *
9005  * Input:
9006  *      vha = scsi host structure pointer.
9007  *      fcp = port structure pointer.
9008  *
9009  * Return:
9010  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
9011  *
9012  * Context:
9013  *      Kernel context.
9014  */
9015 int
9016 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
9017 {
9018         int ret;
9019         int priority;
9020         uint16_t mb[5];
9021
9022         if (fcport->port_type != FCT_TARGET ||
9023             fcport->loop_id == FC_NO_LOOP_ID)
9024                 return QLA_FUNCTION_FAILED;
9025
9026         priority = qla24xx_get_fcp_prio(vha, fcport);
9027         if (priority < 0)
9028                 return QLA_FUNCTION_FAILED;
9029
9030         if (IS_P3P_TYPE(vha->hw)) {
9031                 fcport->fcp_prio = priority & 0xf;
9032                 return QLA_SUCCESS;
9033         }
9034
9035         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
9036         if (ret == QLA_SUCCESS) {
9037                 if (fcport->fcp_prio != priority)
9038                         ql_dbg(ql_dbg_user, vha, 0x709e,
9039                             "Updated FCP_CMND priority - value=%d loop_id=%d "
9040                             "port_id=%02x%02x%02x.\n", priority,
9041                             fcport->loop_id, fcport->d_id.b.domain,
9042                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
9043                 fcport->fcp_prio = priority & 0xf;
9044         } else
9045                 ql_dbg(ql_dbg_user, vha, 0x704f,
9046                     "Unable to update FCP_CMND priority - ret=0x%x for "
9047                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
9048                     fcport->d_id.b.domain, fcport->d_id.b.area,
9049                     fcport->d_id.b.al_pa);
9050         return  ret;
9051 }
9052
9053 /*
9054  * qla24xx_update_all_fcp_prio
9055  *      Activates fcp priority for all the logged in ports
9056  *
9057  * Input:
9058  *      ha = adapter block pointer.
9059  *
9060  * Return:
9061  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
9062  *
9063  * Context:
9064  *      Kernel context.
9065  */
9066 int
9067 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
9068 {
9069         int ret;
9070         fc_port_t *fcport;
9071
9072         ret = QLA_FUNCTION_FAILED;
9073         /* We need to set priority for all logged in ports */
9074         list_for_each_entry(fcport, &vha->vp_fcports, list)
9075                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
9076
9077         return ret;
9078 }
9079
9080 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
9081         int vp_idx, bool startqp)
9082 {
9083         int rsp_id = 0;
9084         int  req_id = 0;
9085         int i;
9086         struct qla_hw_data *ha = vha->hw;
9087         uint16_t qpair_id = 0;
9088         struct qla_qpair *qpair = NULL;
9089         struct qla_msix_entry *msix;
9090
9091         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
9092                 ql_log(ql_log_warn, vha, 0x00181,
9093                     "FW/Driver is not multi-queue capable.\n");
9094                 return NULL;
9095         }
9096
9097         if (ql2xmqsupport || ql2xnvmeenable) {
9098                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
9099                 if (qpair == NULL) {
9100                         ql_log(ql_log_warn, vha, 0x0182,
9101                             "Failed to allocate memory for queue pair.\n");
9102                         return NULL;
9103                 }
9104
9105                 qpair->hw = vha->hw;
9106                 qpair->vha = vha;
9107                 qpair->qp_lock_ptr = &qpair->qp_lock;
9108                 spin_lock_init(&qpair->qp_lock);
9109                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
9110
9111                 /* Assign available que pair id */
9112                 mutex_lock(&ha->mq_lock);
9113                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
9114                 if (ha->num_qpairs >= ha->max_qpairs) {
9115                         mutex_unlock(&ha->mq_lock);
9116                         ql_log(ql_log_warn, vha, 0x0183,
9117                             "No resources to create additional q pair.\n");
9118                         goto fail_qid_map;
9119                 }
9120                 ha->num_qpairs++;
9121                 set_bit(qpair_id, ha->qpair_qid_map);
9122                 ha->queue_pair_map[qpair_id] = qpair;
9123                 qpair->id = qpair_id;
9124                 qpair->vp_idx = vp_idx;
9125                 qpair->fw_started = ha->flags.fw_started;
9126                 INIT_LIST_HEAD(&qpair->hints_list);
9127                 qpair->chip_reset = ha->base_qpair->chip_reset;
9128                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
9129                 qpair->enable_explicit_conf =
9130                     ha->base_qpair->enable_explicit_conf;
9131
9132                 for (i = 0; i < ha->msix_count; i++) {
9133                         msix = &ha->msix_entries[i];
9134                         if (msix->in_use)
9135                                 continue;
9136                         qpair->msix = msix;
9137                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
9138                             "Vector %x selected for qpair\n", msix->vector);
9139                         break;
9140                 }
9141                 if (!qpair->msix) {
9142                         ql_log(ql_log_warn, vha, 0x0184,
9143                             "Out of MSI-X vectors!.\n");
9144                         goto fail_msix;
9145                 }
9146
9147                 qpair->msix->in_use = 1;
9148                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
9149                 qpair->pdev = ha->pdev;
9150                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
9151                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
9152
9153                 mutex_unlock(&ha->mq_lock);
9154
9155                 /* Create response queue first */
9156                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
9157                 if (!rsp_id) {
9158                         ql_log(ql_log_warn, vha, 0x0185,
9159                             "Failed to create response queue.\n");
9160                         goto fail_rsp;
9161                 }
9162
9163                 qpair->rsp = ha->rsp_q_map[rsp_id];
9164
9165                 /* Create request queue */
9166                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
9167                     startqp);
9168                 if (!req_id) {
9169                         ql_log(ql_log_warn, vha, 0x0186,
9170                             "Failed to create request queue.\n");
9171                         goto fail_req;
9172                 }
9173
9174                 qpair->req = ha->req_q_map[req_id];
9175                 qpair->rsp->req = qpair->req;
9176                 qpair->rsp->qpair = qpair;
9177                 /* init qpair to this cpu. Will adjust at run time. */
9178                 qla_cpu_update(qpair, smp_processor_id());
9179
9180                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
9181                         if (ha->fw_attributes & BIT_4)
9182                                 qpair->difdix_supported = 1;
9183                 }
9184
9185                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
9186                 if (!qpair->srb_mempool) {
9187                         ql_log(ql_log_warn, vha, 0xd036,
9188                             "Failed to create srb mempool for qpair %d\n",
9189                             qpair->id);
9190                         goto fail_mempool;
9191                 }
9192
9193                 /* Mark as online */
9194                 qpair->online = 1;
9195
9196                 if (!vha->flags.qpairs_available)
9197                         vha->flags.qpairs_available = 1;
9198
9199                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
9200                     "Request/Response queue pair created, id %d\n",
9201                     qpair->id);
9202                 ql_dbg(ql_dbg_init, vha, 0x0187,
9203                     "Request/Response queue pair created, id %d\n",
9204                     qpair->id);
9205         }
9206         return qpair;
9207
9208 fail_mempool:
9209 fail_req:
9210         qla25xx_delete_rsp_que(vha, qpair->rsp);
9211 fail_rsp:
9212         mutex_lock(&ha->mq_lock);
9213         qpair->msix->in_use = 0;
9214         list_del(&qpair->qp_list_elem);
9215         if (list_empty(&vha->qp_list))
9216                 vha->flags.qpairs_available = 0;
9217 fail_msix:
9218         ha->queue_pair_map[qpair_id] = NULL;
9219         clear_bit(qpair_id, ha->qpair_qid_map);
9220         ha->num_qpairs--;
9221         mutex_unlock(&ha->mq_lock);
9222 fail_qid_map:
9223         kfree(qpair);
9224         return NULL;
9225 }
9226
9227 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
9228 {
9229         int ret = QLA_FUNCTION_FAILED;
9230         struct qla_hw_data *ha = qpair->hw;
9231
9232         qpair->delete_in_progress = 1;
9233
9234         ret = qla25xx_delete_req_que(vha, qpair->req);
9235         if (ret != QLA_SUCCESS)
9236                 goto fail;
9237
9238         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
9239         if (ret != QLA_SUCCESS)
9240                 goto fail;
9241
9242         mutex_lock(&ha->mq_lock);
9243         ha->queue_pair_map[qpair->id] = NULL;
9244         clear_bit(qpair->id, ha->qpair_qid_map);
9245         ha->num_qpairs--;
9246         list_del(&qpair->qp_list_elem);
9247         if (list_empty(&vha->qp_list)) {
9248                 vha->flags.qpairs_available = 0;
9249                 vha->flags.qpairs_req_created = 0;
9250                 vha->flags.qpairs_rsp_created = 0;
9251         }
9252         mempool_destroy(qpair->srb_mempool);
9253         kfree(qpair);
9254         mutex_unlock(&ha->mq_lock);
9255
9256         return QLA_SUCCESS;
9257 fail:
9258         return ret;
9259 }
9260
9261 uint64_t
9262 qla2x00_count_set_bits(uint32_t num)
9263 {
9264         /* Brian Kernighan's Algorithm */
9265         u64 count = 0;
9266
9267         while (num) {
9268                 num &= (num - 1);
9269                 count++;
9270         }
9271         return count;
9272 }
9273
9274 uint64_t
9275 qla2x00_get_num_tgts(scsi_qla_host_t *vha)
9276 {
9277         fc_port_t *f, *tf;
9278         u64 count = 0;
9279
9280         f = NULL;
9281         tf = NULL;
9282
9283         list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
9284                 if (f->port_type != FCT_TARGET)
9285                         continue;
9286                 count++;
9287         }
9288         return count;
9289 }
9290
9291 int qla2xxx_reset_stats(struct Scsi_Host *host, u32 flags)
9292 {
9293         scsi_qla_host_t *vha = shost_priv(host);
9294         fc_port_t *fcport = NULL;
9295         unsigned long int_flags;
9296
9297         if (flags & QLA2XX_HW_ERROR)
9298                 vha->hw_err_cnt = 0;
9299         if (flags & QLA2XX_SHT_LNK_DWN)
9300                 vha->short_link_down_cnt = 0;
9301         if (flags & QLA2XX_INT_ERR)
9302                 vha->interface_err_cnt = 0;
9303         if (flags & QLA2XX_CMD_TIMEOUT)
9304                 vha->cmd_timeout_cnt = 0;
9305         if (flags & QLA2XX_RESET_CMD_ERR)
9306                 vha->reset_cmd_err_cnt = 0;
9307         if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
9308                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
9309                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
9310                         fcport->tgt_short_link_down_cnt = 0;
9311                         fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
9312                 }
9313                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
9314         }
9315         vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
9316         return 0;
9317 }
9318
9319 int qla2xxx_start_stats(struct Scsi_Host *host, u32 flags)
9320 {
9321         return qla2xxx_reset_stats(host, flags);
9322 }
9323
9324 int qla2xxx_stop_stats(struct Scsi_Host *host, u32 flags)
9325 {
9326         return qla2xxx_reset_stats(host, flags);
9327 }
9328
9329 int qla2xxx_get_ini_stats(struct Scsi_Host *host, u32 flags,
9330                           void *data, u64 size)
9331 {
9332         scsi_qla_host_t *vha = shost_priv(host);
9333         struct ql_vnd_host_stats_resp *resp = (struct ql_vnd_host_stats_resp *)data;
9334         struct ql_vnd_stats *rsp_data = &resp->stats;
9335         u64 ini_entry_count = 0;
9336         u64 i = 0;
9337         u64 entry_count = 0;
9338         u64 num_tgt = 0;
9339         u32 tmp_stat_type = 0;
9340         fc_port_t *fcport = NULL;
9341         unsigned long int_flags;
9342
9343         /* Copy stat type to work on it */
9344         tmp_stat_type = flags;
9345
9346         if (tmp_stat_type & BIT_17) {
9347                 num_tgt = qla2x00_get_num_tgts(vha);
9348                 /* unset BIT_17 */
9349                 tmp_stat_type &= ~(1 << 17);
9350         }
9351         ini_entry_count = qla2x00_count_set_bits(tmp_stat_type);
9352
9353         entry_count = ini_entry_count + num_tgt;
9354
9355         rsp_data->entry_count = entry_count;
9356
9357         i = 0;
9358         if (flags & QLA2XX_HW_ERROR) {
9359                 rsp_data->entry[i].stat_type = QLA2XX_HW_ERROR;
9360                 rsp_data->entry[i].tgt_num = 0x0;
9361                 rsp_data->entry[i].cnt = vha->hw_err_cnt;
9362                 i++;
9363         }
9364
9365         if (flags & QLA2XX_SHT_LNK_DWN) {
9366                 rsp_data->entry[i].stat_type = QLA2XX_SHT_LNK_DWN;
9367                 rsp_data->entry[i].tgt_num = 0x0;
9368                 rsp_data->entry[i].cnt = vha->short_link_down_cnt;
9369                 i++;
9370         }
9371
9372         if (flags & QLA2XX_INT_ERR) {
9373                 rsp_data->entry[i].stat_type = QLA2XX_INT_ERR;
9374                 rsp_data->entry[i].tgt_num = 0x0;
9375                 rsp_data->entry[i].cnt = vha->interface_err_cnt;
9376                 i++;
9377         }
9378
9379         if (flags & QLA2XX_CMD_TIMEOUT) {
9380                 rsp_data->entry[i].stat_type = QLA2XX_CMD_TIMEOUT;
9381                 rsp_data->entry[i].tgt_num = 0x0;
9382                 rsp_data->entry[i].cnt = vha->cmd_timeout_cnt;
9383                 i++;
9384         }
9385
9386         if (flags & QLA2XX_RESET_CMD_ERR) {
9387                 rsp_data->entry[i].stat_type = QLA2XX_RESET_CMD_ERR;
9388                 rsp_data->entry[i].tgt_num = 0x0;
9389                 rsp_data->entry[i].cnt = vha->reset_cmd_err_cnt;
9390                 i++;
9391         }
9392
9393         /* i will continue from previous loop, as target
9394          * entries are after initiator
9395          */
9396         if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
9397                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
9398                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
9399                         if (fcport->port_type != FCT_TARGET)
9400                                 continue;
9401                         if (!fcport->rport)
9402                                 continue;
9403                         rsp_data->entry[i].stat_type = QLA2XX_TGT_SHT_LNK_DOWN;
9404                         rsp_data->entry[i].tgt_num = fcport->rport->number;
9405                         rsp_data->entry[i].cnt = fcport->tgt_short_link_down_cnt;
9406                         i++;
9407                 }
9408                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
9409         }
9410         resp->status = EXT_STATUS_OK;
9411
9412         return 0;
9413 }
9414
9415 int qla2xxx_get_tgt_stats(struct Scsi_Host *host, u32 flags,
9416                           struct fc_rport *rport, void *data, u64 size)
9417 {
9418         struct ql_vnd_tgt_stats_resp *tgt_data = data;
9419         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
9420
9421         tgt_data->status = 0;
9422         tgt_data->stats.entry_count = 1;
9423         tgt_data->stats.entry[0].stat_type = flags;
9424         tgt_data->stats.entry[0].tgt_num = rport->number;
9425         tgt_data->stats.entry[0].cnt = fcport->tgt_short_link_down_cnt;
9426
9427         return 0;
9428 }
9429
9430 int qla2xxx_disable_port(struct Scsi_Host *host)
9431 {
9432         scsi_qla_host_t *vha = shost_priv(host);
9433
9434         vha->hw->flags.port_isolated = 1;
9435
9436         if (qla2x00_chip_is_down(vha))
9437                 return 0;
9438
9439         if (vha->flags.online) {
9440                 qla2x00_abort_isp_cleanup(vha);
9441                 qla2x00_wait_for_sess_deletion(vha);
9442         }
9443
9444         return 0;
9445 }
9446
9447 int qla2xxx_enable_port(struct Scsi_Host *host)
9448 {
9449         scsi_qla_host_t *vha = shost_priv(host);
9450
9451         vha->hw->flags.port_isolated = 0;
9452         /* Set the flag to 1, so that isp_abort can proceed */
9453         vha->flags.online = 1;
9454         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9455         qla2xxx_wake_dpc(vha);
9456
9457         return 0;
9458 }