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         /* Time to wait for loop down */
4360         if (IS_P3P_TYPE(ha))
4361                 min_wait = 30;
4362         else
4363                 min_wait = 20;
4364
4365         /*
4366          * Firmware should take at most one RATOV to login, plus 5 seconds for
4367          * our own processing.
4368          */
4369         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
4370                 wait_time = min_wait;
4371         }
4372
4373         /* Min wait time if loop down */
4374         mtime = jiffies + (min_wait * HZ);
4375
4376         /* wait time before firmware ready */
4377         wtime = jiffies + (wait_time * HZ);
4378
4379         /* Wait for ISP to finish LIP */
4380         if (!vha->flags.init_done)
4381                 ql_log(ql_log_info, vha, 0x801e,
4382                     "Waiting for LIP to complete.\n");
4383
4384         do {
4385                 memset(state, -1, sizeof(state));
4386                 rval = qla2x00_get_firmware_state(vha, state);
4387                 if (rval == QLA_SUCCESS) {
4388                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
4389                                 vha->device_flags &= ~DFLG_NO_CABLE;
4390                         }
4391                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
4392                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
4393                                     "fw_state=%x 84xx=%x.\n", state[0],
4394                                     state[2]);
4395                                 if ((state[2] & FSTATE_LOGGED_IN) &&
4396                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
4397                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
4398                                             "Sending verify iocb.\n");
4399
4400                                         cs84xx_time = jiffies;
4401                                         rval = qla84xx_init_chip(vha);
4402                                         if (rval != QLA_SUCCESS) {
4403                                                 ql_log(ql_log_warn,
4404                                                     vha, 0x8007,
4405                                                     "Init chip failed.\n");
4406                                                 break;
4407                                         }
4408
4409                                         /* Add time taken to initialize. */
4410                                         cs84xx_time = jiffies - cs84xx_time;
4411                                         wtime += cs84xx_time;
4412                                         mtime += cs84xx_time;
4413                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
4414                                             "Increasing wait time by %ld. "
4415                                             "New time %ld.\n", cs84xx_time,
4416                                             wtime);
4417                                 }
4418                         } else if (state[0] == FSTATE_READY) {
4419                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
4420                                     "F/W Ready - OK.\n");
4421
4422                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
4423                                     &ha->login_timeout, &ha->r_a_tov);
4424
4425                                 rval = QLA_SUCCESS;
4426                                 break;
4427                         }
4428
4429                         rval = QLA_FUNCTION_FAILED;
4430
4431                         if (atomic_read(&vha->loop_down_timer) &&
4432                             state[0] != FSTATE_READY) {
4433                                 /* Loop down. Timeout on min_wait for states
4434                                  * other than Wait for Login.
4435                                  */
4436                                 if (time_after_eq(jiffies, mtime)) {
4437                                         ql_log(ql_log_info, vha, 0x8038,
4438                                             "Cable is unplugged...\n");
4439
4440                                         vha->device_flags |= DFLG_NO_CABLE;
4441                                         break;
4442                                 }
4443                         }
4444                 } else {
4445                         /* Mailbox cmd failed. Timeout on min_wait. */
4446                         if (time_after_eq(jiffies, mtime) ||
4447                                 ha->flags.isp82xx_fw_hung)
4448                                 break;
4449                 }
4450
4451                 if (time_after_eq(jiffies, wtime))
4452                         break;
4453
4454                 /* Delay for a while */
4455                 msleep(500);
4456         } while (1);
4457
4458         ql_dbg(ql_dbg_taskm, vha, 0x803a,
4459             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
4460             state[1], state[2], state[3], state[4], state[5], jiffies);
4461
4462         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
4463                 ql_log(ql_log_warn, vha, 0x803b,
4464                     "Firmware ready **** FAILED ****.\n");
4465         }
4466
4467         return (rval);
4468 }
4469
4470 /*
4471 *  qla2x00_configure_hba
4472 *      Setup adapter context.
4473 *
4474 * Input:
4475 *      ha = adapter state pointer.
4476 *
4477 * Returns:
4478 *      0 = success
4479 *
4480 * Context:
4481 *      Kernel context.
4482 */
4483 static int
4484 qla2x00_configure_hba(scsi_qla_host_t *vha)
4485 {
4486         int       rval;
4487         uint16_t      loop_id;
4488         uint16_t      topo;
4489         uint16_t      sw_cap;
4490         uint8_t       al_pa;
4491         uint8_t       area;
4492         uint8_t       domain;
4493         char            connect_type[22];
4494         struct qla_hw_data *ha = vha->hw;
4495         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4496         port_id_t id;
4497         unsigned long flags;
4498
4499         /* Get host addresses. */
4500         rval = qla2x00_get_adapter_id(vha,
4501             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
4502         if (rval != QLA_SUCCESS) {
4503                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
4504                     IS_CNA_CAPABLE(ha) ||
4505                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
4506                         ql_dbg(ql_dbg_disc, vha, 0x2008,
4507                             "Loop is in a transition state.\n");
4508                 } else {
4509                         ql_log(ql_log_warn, vha, 0x2009,
4510                             "Unable to get host loop ID.\n");
4511                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
4512                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
4513                                 ql_log(ql_log_warn, vha, 0x1151,
4514                                     "Doing link init.\n");
4515                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
4516                                         return rval;
4517                         }
4518                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4519                 }
4520                 return (rval);
4521         }
4522
4523         if (topo == 4) {
4524                 ql_log(ql_log_info, vha, 0x200a,
4525                     "Cannot get topology - retrying.\n");
4526                 return (QLA_FUNCTION_FAILED);
4527         }
4528
4529         vha->loop_id = loop_id;
4530
4531         /* initialize */
4532         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4533         ha->operating_mode = LOOP;
4534         ha->switch_cap = 0;
4535
4536         switch (topo) {
4537         case 0:
4538                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4539                 ha->current_topology = ISP_CFG_NL;
4540                 strcpy(connect_type, "(Loop)");
4541                 break;
4542
4543         case 1:
4544                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4545                 ha->switch_cap = sw_cap;
4546                 ha->current_topology = ISP_CFG_FL;
4547                 strcpy(connect_type, "(FL_Port)");
4548                 break;
4549
4550         case 2:
4551                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
4552                 ha->operating_mode = P2P;
4553                 ha->current_topology = ISP_CFG_N;
4554                 strcpy(connect_type, "(N_Port-to-N_Port)");
4555                 break;
4556
4557         case 3:
4558                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4559                 ha->switch_cap = sw_cap;
4560                 ha->operating_mode = P2P;
4561                 ha->current_topology = ISP_CFG_F;
4562                 strcpy(connect_type, "(F_Port)");
4563                 break;
4564
4565         default:
4566                 ql_dbg(ql_dbg_disc, vha, 0x200f,
4567                     "HBA in unknown topology %x, using NL.\n", topo);
4568                 ha->current_topology = ISP_CFG_NL;
4569                 strcpy(connect_type, "(Loop)");
4570                 break;
4571         }
4572
4573         /* Save Host port and loop ID. */
4574         /* byte order - Big Endian */
4575         id.b.domain = domain;
4576         id.b.area = area;
4577         id.b.al_pa = al_pa;
4578         id.b.rsvd_1 = 0;
4579         spin_lock_irqsave(&ha->hardware_lock, flags);
4580         if (!(topo == 2 && ha->flags.n2n_bigger))
4581                 qlt_update_host_map(vha, id);
4582         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4583
4584         if (!vha->flags.init_done)
4585                 ql_log(ql_log_info, vha, 0x2010,
4586                     "Topology - %s, Host Loop address 0x%x.\n",
4587                     connect_type, vha->loop_id);
4588
4589         return(rval);
4590 }
4591
4592 inline void
4593 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4594                        const char *def)
4595 {
4596         char *st, *en;
4597         uint16_t index;
4598         uint64_t zero[2] = { 0 };
4599         struct qla_hw_data *ha = vha->hw;
4600         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4601             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4602
4603         if (len > sizeof(zero))
4604                 len = sizeof(zero);
4605         if (memcmp(model, &zero, len) != 0) {
4606                 memcpy(ha->model_number, model, len);
4607                 st = en = ha->model_number;
4608                 en += len - 1;
4609                 while (en > st) {
4610                         if (*en != 0x20 && *en != 0x00)
4611                                 break;
4612                         *en-- = '\0';
4613                 }
4614
4615                 index = (ha->pdev->subsystem_device & 0xff);
4616                 if (use_tbl &&
4617                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4618                     index < QLA_MODEL_NAMES)
4619                         strlcpy(ha->model_desc,
4620                             qla2x00_model_name[index * 2 + 1],
4621                             sizeof(ha->model_desc));
4622         } else {
4623                 index = (ha->pdev->subsystem_device & 0xff);
4624                 if (use_tbl &&
4625                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4626                     index < QLA_MODEL_NAMES) {
4627                         strlcpy(ha->model_number,
4628                                 qla2x00_model_name[index * 2],
4629                                 sizeof(ha->model_number));
4630                         strlcpy(ha->model_desc,
4631                             qla2x00_model_name[index * 2 + 1],
4632                             sizeof(ha->model_desc));
4633                 } else {
4634                         strlcpy(ha->model_number, def,
4635                                 sizeof(ha->model_number));
4636                 }
4637         }
4638         if (IS_FWI2_CAPABLE(ha))
4639                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4640                     sizeof(ha->model_desc));
4641 }
4642
4643 /* On sparc systems, obtain port and node WWN from firmware
4644  * properties.
4645  */
4646 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4647 {
4648 #ifdef CONFIG_SPARC
4649         struct qla_hw_data *ha = vha->hw;
4650         struct pci_dev *pdev = ha->pdev;
4651         struct device_node *dp = pci_device_to_OF_node(pdev);
4652         const u8 *val;
4653         int len;
4654
4655         val = of_get_property(dp, "port-wwn", &len);
4656         if (val && len >= WWN_SIZE)
4657                 memcpy(nv->port_name, val, WWN_SIZE);
4658
4659         val = of_get_property(dp, "node-wwn", &len);
4660         if (val && len >= WWN_SIZE)
4661                 memcpy(nv->node_name, val, WWN_SIZE);
4662 #endif
4663 }
4664
4665 /*
4666 * NVRAM configuration for ISP 2xxx
4667 *
4668 * Input:
4669 *      ha                = adapter block pointer.
4670 *
4671 * Output:
4672 *      initialization control block in response_ring
4673 *      host adapters parameters in host adapter block
4674 *
4675 * Returns:
4676 *      0 = success.
4677 */
4678 int
4679 qla2x00_nvram_config(scsi_qla_host_t *vha)
4680 {
4681         int             rval;
4682         uint8_t         chksum = 0;
4683         uint16_t        cnt;
4684         uint8_t         *dptr1, *dptr2;
4685         struct qla_hw_data *ha = vha->hw;
4686         init_cb_t       *icb = ha->init_cb;
4687         nvram_t         *nv = ha->nvram;
4688         uint8_t         *ptr = ha->nvram;
4689         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4690
4691         rval = QLA_SUCCESS;
4692
4693         /* Determine NVRAM starting address. */
4694         ha->nvram_size = sizeof(*nv);
4695         ha->nvram_base = 0;
4696         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
4697                 if ((rd_reg_word(&reg->ctrl_status) >> 14) == 1)
4698                         ha->nvram_base = 0x80;
4699
4700         /* Get NVRAM data and calculate checksum. */
4701         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4702         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
4703                 chksum += *ptr++;
4704
4705         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
4706             "Contents of NVRAM.\n");
4707         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4708             nv, ha->nvram_size);
4709
4710         /* Bad NVRAM data, set defaults parameters. */
4711         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
4712             nv->nvram_version < 1) {
4713                 /* Reset NVRAM data. */
4714                 ql_log(ql_log_warn, vha, 0x0064,
4715                     "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n",
4716                     chksum, nv->id, nv->nvram_version);
4717                 ql_log(ql_log_warn, vha, 0x0065,
4718                     "Falling back to "
4719                     "functioning (yet invalid -- WWPN) defaults.\n");
4720
4721                 /*
4722                  * Set default initialization control block.
4723                  */
4724                 memset(nv, 0, ha->nvram_size);
4725                 nv->parameter_block_version = ICB_VERSION;
4726
4727                 if (IS_QLA23XX(ha)) {
4728                         nv->firmware_options[0] = BIT_2 | BIT_1;
4729                         nv->firmware_options[1] = BIT_7 | BIT_5;
4730                         nv->add_firmware_options[0] = BIT_5;
4731                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4732                         nv->frame_payload_size = cpu_to_le16(2048);
4733                         nv->special_options[1] = BIT_7;
4734                 } else if (IS_QLA2200(ha)) {
4735                         nv->firmware_options[0] = BIT_2 | BIT_1;
4736                         nv->firmware_options[1] = BIT_7 | BIT_5;
4737                         nv->add_firmware_options[0] = BIT_5;
4738                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4739                         nv->frame_payload_size = cpu_to_le16(1024);
4740                 } else if (IS_QLA2100(ha)) {
4741                         nv->firmware_options[0] = BIT_3 | BIT_1;
4742                         nv->firmware_options[1] = BIT_5;
4743                         nv->frame_payload_size = cpu_to_le16(1024);
4744                 }
4745
4746                 nv->max_iocb_allocation = cpu_to_le16(256);
4747                 nv->execution_throttle = cpu_to_le16(16);
4748                 nv->retry_count = 8;
4749                 nv->retry_delay = 1;
4750
4751                 nv->port_name[0] = 33;
4752                 nv->port_name[3] = 224;
4753                 nv->port_name[4] = 139;
4754
4755                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4756
4757                 nv->login_timeout = 4;
4758
4759                 /*
4760                  * Set default host adapter parameters
4761                  */
4762                 nv->host_p[1] = BIT_2;
4763                 nv->reset_delay = 5;
4764                 nv->port_down_retry_count = 8;
4765                 nv->max_luns_per_target = cpu_to_le16(8);
4766                 nv->link_down_timeout = 60;
4767
4768                 rval = 1;
4769         }
4770
4771         /* Reset Initialization control block */
4772         memset(icb, 0, ha->init_cb_size);
4773
4774         /*
4775          * Setup driver NVRAM options.
4776          */
4777         nv->firmware_options[0] |= (BIT_6 | BIT_1);
4778         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
4779         nv->firmware_options[1] |= (BIT_5 | BIT_0);
4780         nv->firmware_options[1] &= ~BIT_4;
4781
4782         if (IS_QLA23XX(ha)) {
4783                 nv->firmware_options[0] |= BIT_2;
4784                 nv->firmware_options[0] &= ~BIT_3;
4785                 nv->special_options[0] &= ~BIT_6;
4786                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
4787
4788                 if (IS_QLA2300(ha)) {
4789                         if (ha->fb_rev == FPM_2310) {
4790                                 strcpy(ha->model_number, "QLA2310");
4791                         } else {
4792                                 strcpy(ha->model_number, "QLA2300");
4793                         }
4794                 } else {
4795                         qla2x00_set_model_info(vha, nv->model_number,
4796                             sizeof(nv->model_number), "QLA23xx");
4797                 }
4798         } else if (IS_QLA2200(ha)) {
4799                 nv->firmware_options[0] |= BIT_2;
4800                 /*
4801                  * 'Point-to-point preferred, else loop' is not a safe
4802                  * connection mode setting.
4803                  */
4804                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
4805                     (BIT_5 | BIT_4)) {
4806                         /* Force 'loop preferred, else point-to-point'. */
4807                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
4808                         nv->add_firmware_options[0] |= BIT_5;
4809                 }
4810                 strcpy(ha->model_number, "QLA22xx");
4811         } else /*if (IS_QLA2100(ha))*/ {
4812                 strcpy(ha->model_number, "QLA2100");
4813         }
4814
4815         /*
4816          * Copy over NVRAM RISC parameter block to initialization control block.
4817          */
4818         dptr1 = (uint8_t *)icb;
4819         dptr2 = (uint8_t *)&nv->parameter_block_version;
4820         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
4821         while (cnt--)
4822                 *dptr1++ = *dptr2++;
4823
4824         /* Copy 2nd half. */
4825         dptr1 = (uint8_t *)icb->add_firmware_options;
4826         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
4827         while (cnt--)
4828                 *dptr1++ = *dptr2++;
4829         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
4830         /* Use alternate WWN? */
4831         if (nv->host_p[1] & BIT_7) {
4832                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4833                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4834         }
4835
4836         /* Prepare nodename */
4837         if ((icb->firmware_options[1] & BIT_6) == 0) {
4838                 /*
4839                  * Firmware will apply the following mask if the nodename was
4840                  * not provided.
4841                  */
4842                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4843                 icb->node_name[0] &= 0xF0;
4844         }
4845
4846         /*
4847          * Set host adapter parameters.
4848          */
4849
4850         /*
4851          * BIT_7 in the host-parameters section allows for modification to
4852          * internal driver logging.
4853          */
4854         if (nv->host_p[0] & BIT_7)
4855                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
4856         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
4857         /* Always load RISC code on non ISP2[12]00 chips. */
4858         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
4859                 ha->flags.disable_risc_code_load = 0;
4860         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
4861         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
4862         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
4863         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
4864         ha->flags.disable_serdes = 0;
4865
4866         ha->operating_mode =
4867             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
4868
4869         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
4870             sizeof(ha->fw_seriallink_options));
4871
4872         /* save HBA serial number */
4873         ha->serial0 = icb->port_name[5];
4874         ha->serial1 = icb->port_name[6];
4875         ha->serial2 = icb->port_name[7];
4876         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4877         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4878
4879         icb->execution_throttle = cpu_to_le16(0xFFFF);
4880
4881         ha->retry_count = nv->retry_count;
4882
4883         /* Set minimum login_timeout to 4 seconds. */
4884         if (nv->login_timeout != ql2xlogintimeout)
4885                 nv->login_timeout = ql2xlogintimeout;
4886         if (nv->login_timeout < 4)
4887                 nv->login_timeout = 4;
4888         ha->login_timeout = nv->login_timeout;
4889
4890         /* Set minimum RATOV to 100 tenths of a second. */
4891         ha->r_a_tov = 100;
4892
4893         ha->loop_reset_delay = nv->reset_delay;
4894
4895         /* Link Down Timeout = 0:
4896          *
4897          *      When Port Down timer expires we will start returning
4898          *      I/O's to OS with "DID_NO_CONNECT".
4899          *
4900          * Link Down Timeout != 0:
4901          *
4902          *       The driver waits for the link to come up after link down
4903          *       before returning I/Os to OS with "DID_NO_CONNECT".
4904          */
4905         if (nv->link_down_timeout == 0) {
4906                 ha->loop_down_abort_time =
4907                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4908         } else {
4909                 ha->link_down_timeout =  nv->link_down_timeout;
4910                 ha->loop_down_abort_time =
4911                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4912         }
4913
4914         /*
4915          * Need enough time to try and get the port back.
4916          */
4917         ha->port_down_retry_count = nv->port_down_retry_count;
4918         if (qlport_down_retry)
4919                 ha->port_down_retry_count = qlport_down_retry;
4920         /* Set login_retry_count */
4921         ha->login_retry_count  = nv->retry_count;
4922         if (ha->port_down_retry_count == nv->port_down_retry_count &&
4923             ha->port_down_retry_count > 3)
4924                 ha->login_retry_count = ha->port_down_retry_count;
4925         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4926                 ha->login_retry_count = ha->port_down_retry_count;
4927         if (ql2xloginretrycount)
4928                 ha->login_retry_count = ql2xloginretrycount;
4929
4930         icb->lun_enables = cpu_to_le16(0);
4931         icb->command_resource_count = 0;
4932         icb->immediate_notify_resource_count = 0;
4933         icb->timeout = cpu_to_le16(0);
4934
4935         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4936                 /* Enable RIO */
4937                 icb->firmware_options[0] &= ~BIT_3;
4938                 icb->add_firmware_options[0] &=
4939                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4940                 icb->add_firmware_options[0] |= BIT_2;
4941                 icb->response_accumulation_timer = 3;
4942                 icb->interrupt_delay_timer = 5;
4943
4944                 vha->flags.process_response_queue = 1;
4945         } else {
4946                 /* Enable ZIO. */
4947                 if (!vha->flags.init_done) {
4948                         ha->zio_mode = icb->add_firmware_options[0] &
4949                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4950                         ha->zio_timer = icb->interrupt_delay_timer ?
4951                             icb->interrupt_delay_timer : 2;
4952                 }
4953                 icb->add_firmware_options[0] &=
4954                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4955                 vha->flags.process_response_queue = 0;
4956                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4957                         ha->zio_mode = QLA_ZIO_MODE_6;
4958
4959                         ql_log(ql_log_info, vha, 0x0068,
4960                             "ZIO mode %d enabled; timer delay (%d us).\n",
4961                             ha->zio_mode, ha->zio_timer * 100);
4962
4963                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
4964                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
4965                         vha->flags.process_response_queue = 1;
4966                 }
4967         }
4968
4969         if (rval) {
4970                 ql_log(ql_log_warn, vha, 0x0069,
4971                     "NVRAM configuration failed.\n");
4972         }
4973         return (rval);
4974 }
4975
4976 static void
4977 qla2x00_rport_del(void *data)
4978 {
4979         fc_port_t *fcport = data;
4980         struct fc_rport *rport;
4981         unsigned long flags;
4982
4983         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4984         rport = fcport->drport ? fcport->drport : fcport->rport;
4985         fcport->drport = NULL;
4986         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4987         if (rport) {
4988                 ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
4989                     "%s %8phN. rport %p roles %x\n",
4990                     __func__, fcport->port_name, rport,
4991                     rport->roles);
4992
4993                 fc_remote_port_delete(rport);
4994         }
4995 }
4996
4997 void qla2x00_set_fcport_state(fc_port_t *fcport, int state)
4998 {
4999         int old_state;
5000
5001         old_state = atomic_read(&fcport->state);
5002         atomic_set(&fcport->state, state);
5003
5004         /* Don't print state transitions during initial allocation of fcport */
5005         if (old_state && old_state != state) {
5006                 ql_dbg(ql_dbg_disc, fcport->vha, 0x207d,
5007                        "FCPort %8phC state transitioned from %s to %s - portid=%02x%02x%02x.\n",
5008                        fcport->port_name, port_state_str[old_state],
5009                        port_state_str[state], fcport->d_id.b.domain,
5010                        fcport->d_id.b.area, fcport->d_id.b.al_pa);
5011         }
5012 }
5013
5014 /**
5015  * qla2x00_alloc_fcport() - Allocate a generic fcport.
5016  * @vha: HA context
5017  * @flags: allocation flags
5018  *
5019  * Returns a pointer to the allocated fcport, or NULL, if none available.
5020  */
5021 fc_port_t *
5022 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
5023 {
5024         fc_port_t *fcport;
5025
5026         fcport = kzalloc(sizeof(fc_port_t), flags);
5027         if (!fcport)
5028                 return NULL;
5029
5030         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
5031                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
5032                 flags);
5033         if (!fcport->ct_desc.ct_sns) {
5034                 ql_log(ql_log_warn, vha, 0xd049,
5035                     "Failed to allocate ct_sns request.\n");
5036                 kfree(fcport);
5037                 return NULL;
5038         }
5039
5040         /* Setup fcport template structure. */
5041         fcport->vha = vha;
5042         fcport->port_type = FCT_UNKNOWN;
5043         fcport->loop_id = FC_NO_LOOP_ID;
5044         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
5045         fcport->supported_classes = FC_COS_UNSPECIFIED;
5046         fcport->fp_speed = PORT_SPEED_UNKNOWN;
5047
5048         fcport->disc_state = DSC_DELETED;
5049         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
5050         fcport->deleted = QLA_SESS_DELETED;
5051         fcport->login_retry = vha->hw->login_retry_count;
5052         fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5053         fcport->logout_on_delete = 1;
5054         fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
5055         fcport->tgt_short_link_down_cnt = 0;
5056         fcport->dev_loss_tmo = 0;
5057
5058         if (!fcport->ct_desc.ct_sns) {
5059                 ql_log(ql_log_warn, vha, 0xd049,
5060                     "Failed to allocate ct_sns request.\n");
5061                 kfree(fcport);
5062                 return NULL;
5063         }
5064
5065         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
5066         INIT_WORK(&fcport->free_work, qlt_free_session_done);
5067         INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
5068         INIT_LIST_HEAD(&fcport->gnl_entry);
5069         INIT_LIST_HEAD(&fcport->list);
5070
5071         INIT_LIST_HEAD(&fcport->sess_cmd_list);
5072         spin_lock_init(&fcport->sess_cmd_lock);
5073
5074         return fcport;
5075 }
5076
5077 void
5078 qla2x00_free_fcport(fc_port_t *fcport)
5079 {
5080         if (fcport->ct_desc.ct_sns) {
5081                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
5082                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
5083                         fcport->ct_desc.ct_sns_dma);
5084
5085                 fcport->ct_desc.ct_sns = NULL;
5086         }
5087         list_del(&fcport->list);
5088         qla2x00_clear_loop_id(fcport);
5089         kfree(fcport);
5090 }
5091
5092 static void qla_get_login_template(scsi_qla_host_t *vha)
5093 {
5094         struct qla_hw_data *ha = vha->hw;
5095         int rval;
5096         u32 *bp, sz;
5097         __be32 *q;
5098
5099         memset(ha->init_cb, 0, ha->init_cb_size);
5100         sz = min_t(int, sizeof(struct fc_els_flogi), ha->init_cb_size);
5101         rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
5102                                             ha->init_cb, sz);
5103         if (rval != QLA_SUCCESS) {
5104                 ql_dbg(ql_dbg_init, vha, 0x00d1,
5105                        "PLOGI ELS param read fail.\n");
5106                 return;
5107         }
5108         q = (__be32 *)&ha->plogi_els_payld.fl_csp;
5109
5110         bp = (uint32_t *)ha->init_cb;
5111         cpu_to_be32_array(q, bp, sz / 4);
5112         ha->flags.plogi_template_valid = 1;
5113 }
5114
5115 /*
5116  * qla2x00_configure_loop
5117  *      Updates Fibre Channel Device Database with what is actually on loop.
5118  *
5119  * Input:
5120  *      ha                = adapter block pointer.
5121  *
5122  * Returns:
5123  *      0 = success.
5124  *      1 = error.
5125  *      2 = database was full and device was not configured.
5126  */
5127 static int
5128 qla2x00_configure_loop(scsi_qla_host_t *vha)
5129 {
5130         int  rval;
5131         unsigned long flags, save_flags;
5132         struct qla_hw_data *ha = vha->hw;
5133
5134         rval = QLA_SUCCESS;
5135
5136         /* Get Initiator ID */
5137         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
5138                 rval = qla2x00_configure_hba(vha);
5139                 if (rval != QLA_SUCCESS) {
5140                         ql_dbg(ql_dbg_disc, vha, 0x2013,
5141                             "Unable to configure HBA.\n");
5142                         return (rval);
5143                 }
5144         }
5145
5146         save_flags = flags = vha->dpc_flags;
5147         ql_dbg(ql_dbg_disc, vha, 0x2014,
5148             "Configure loop -- dpc flags = 0x%lx.\n", flags);
5149
5150         /*
5151          * If we have both an RSCN and PORT UPDATE pending then handle them
5152          * both at the same time.
5153          */
5154         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5155         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
5156
5157         qla2x00_get_data_rate(vha);
5158         qla_get_login_template(vha);
5159
5160         /* Determine what we need to do */
5161         if ((ha->current_topology == ISP_CFG_FL ||
5162             ha->current_topology == ISP_CFG_F) &&
5163             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
5164
5165                 set_bit(RSCN_UPDATE, &flags);
5166                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
5167
5168         } else if (ha->current_topology == ISP_CFG_NL ||
5169                    ha->current_topology == ISP_CFG_N) {
5170                 clear_bit(RSCN_UPDATE, &flags);
5171                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5172         } else if (!vha->flags.online ||
5173             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
5174                 set_bit(RSCN_UPDATE, &flags);
5175                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5176         }
5177
5178         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
5179                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5180                         ql_dbg(ql_dbg_disc, vha, 0x2015,
5181                             "Loop resync needed, failing.\n");
5182                         rval = QLA_FUNCTION_FAILED;
5183                 } else
5184                         rval = qla2x00_configure_local_loop(vha);
5185         }
5186
5187         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
5188                 if (LOOP_TRANSITION(vha)) {
5189                         ql_dbg(ql_dbg_disc, vha, 0x2099,
5190                             "Needs RSCN update and loop transition.\n");
5191                         rval = QLA_FUNCTION_FAILED;
5192                 }
5193                 else
5194                         rval = qla2x00_configure_fabric(vha);
5195         }
5196
5197         if (rval == QLA_SUCCESS) {
5198                 if (atomic_read(&vha->loop_down_timer) ||
5199                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5200                         rval = QLA_FUNCTION_FAILED;
5201                 } else {
5202                         atomic_set(&vha->loop_state, LOOP_READY);
5203                         ql_dbg(ql_dbg_disc, vha, 0x2069,
5204                             "LOOP READY.\n");
5205                         ha->flags.fw_init_done = 1;
5206
5207                         /*
5208                          * Process any ATIO queue entries that came in
5209                          * while we weren't online.
5210                          */
5211                         if (qla_tgt_mode_enabled(vha) ||
5212                             qla_dual_mode_enabled(vha)) {
5213                                 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
5214                                 qlt_24xx_process_atio_queue(vha, 0);
5215                                 spin_unlock_irqrestore(&ha->tgt.atio_lock,
5216                                     flags);
5217                         }
5218                 }
5219         }
5220
5221         if (rval) {
5222                 ql_dbg(ql_dbg_disc, vha, 0x206a,
5223                     "%s *** FAILED ***.\n", __func__);
5224         } else {
5225                 ql_dbg(ql_dbg_disc, vha, 0x206b,
5226                     "%s: exiting normally.\n", __func__);
5227         }
5228
5229         /* Restore state if a resync event occurred during processing */
5230         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5231                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
5232                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5233                 if (test_bit(RSCN_UPDATE, &save_flags)) {
5234                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
5235                 }
5236         }
5237
5238         return (rval);
5239 }
5240
5241 static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha)
5242 {
5243         unsigned long flags;
5244         fc_port_t *fcport;
5245
5246         if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags))
5247                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5248
5249         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5250                 if (fcport->n2n_flag) {
5251                         qla24xx_fcport_handle_login(vha, fcport);
5252                         return QLA_SUCCESS;
5253                 }
5254         }
5255
5256         spin_lock_irqsave(&vha->work_lock, flags);
5257         vha->scan.scan_retry++;
5258         spin_unlock_irqrestore(&vha->work_lock, flags);
5259
5260         if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5261                 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5262                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5263         }
5264         return QLA_FUNCTION_FAILED;
5265 }
5266
5267 /*
5268  * qla2x00_configure_local_loop
5269  *      Updates Fibre Channel Device Database with local loop devices.
5270  *
5271  * Input:
5272  *      ha = adapter block pointer.
5273  *
5274  * Returns:
5275  *      0 = success.
5276  */
5277 static int
5278 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
5279 {
5280         int             rval, rval2;
5281         int             found_devs;
5282         int             found;
5283         fc_port_t       *fcport, *new_fcport;
5284         uint16_t        index;
5285         uint16_t        entries;
5286         struct gid_list_info *gid;
5287         uint16_t        loop_id;
5288         uint8_t         domain, area, al_pa;
5289         struct qla_hw_data *ha = vha->hw;
5290         unsigned long flags;
5291
5292         /* Inititae N2N login. */
5293         if (N2N_TOPO(ha))
5294                 return qla2x00_configure_n2n_loop(vha);
5295
5296         found_devs = 0;
5297         new_fcport = NULL;
5298         entries = MAX_FIBRE_DEVICES_LOOP;
5299
5300         /* Get list of logged in devices. */
5301         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
5302         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
5303             &entries);
5304         if (rval != QLA_SUCCESS)
5305                 goto err;
5306
5307         ql_dbg(ql_dbg_disc, vha, 0x2011,
5308             "Entries in ID list (%d).\n", entries);
5309         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
5310             ha->gid_list, entries * sizeof(*ha->gid_list));
5311
5312         if (entries == 0) {
5313                 spin_lock_irqsave(&vha->work_lock, flags);
5314                 vha->scan.scan_retry++;
5315                 spin_unlock_irqrestore(&vha->work_lock, flags);
5316
5317                 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5318                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5319                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5320                 }
5321         } else {
5322                 vha->scan.scan_retry = 0;
5323         }
5324
5325         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5326                 fcport->scan_state = QLA_FCPORT_SCAN;
5327         }
5328
5329         /* Allocate temporary fcport for any new fcports discovered. */
5330         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5331         if (new_fcport == NULL) {
5332                 ql_log(ql_log_warn, vha, 0x2012,
5333                     "Memory allocation failed for fcport.\n");
5334                 rval = QLA_MEMORY_ALLOC_FAILED;
5335                 goto err;
5336         }
5337         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5338
5339         /* Add devices to port list. */
5340         gid = ha->gid_list;
5341         for (index = 0; index < entries; index++) {
5342                 domain = gid->domain;
5343                 area = gid->area;
5344                 al_pa = gid->al_pa;
5345                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
5346                         loop_id = gid->loop_id_2100;
5347                 else
5348                         loop_id = le16_to_cpu(gid->loop_id);
5349                 gid = (void *)gid + ha->gid_list_info_size;
5350
5351                 /* Bypass reserved domain fields. */
5352                 if ((domain & 0xf0) == 0xf0)
5353                         continue;
5354
5355                 /* Bypass if not same domain and area of adapter. */
5356                 if (area && domain && ((area != vha->d_id.b.area) ||
5357                     (domain != vha->d_id.b.domain)) &&
5358                     (ha->current_topology == ISP_CFG_NL))
5359                         continue;
5360
5361
5362                 /* Bypass invalid local loop ID. */
5363                 if (loop_id > LAST_LOCAL_LOOP_ID)
5364                         continue;
5365
5366                 memset(new_fcport->port_name, 0, WWN_SIZE);
5367
5368                 /* Fill in member data. */
5369                 new_fcport->d_id.b.domain = domain;
5370                 new_fcport->d_id.b.area = area;
5371                 new_fcport->d_id.b.al_pa = al_pa;
5372                 new_fcport->loop_id = loop_id;
5373                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5374
5375                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5376                 if (rval2 != QLA_SUCCESS) {
5377                         ql_dbg(ql_dbg_disc, vha, 0x2097,
5378                             "Failed to retrieve fcport information "
5379                             "-- get_port_database=%x, loop_id=0x%04x.\n",
5380                             rval2, new_fcport->loop_id);
5381                         /* Skip retry if N2N */
5382                         if (ha->current_topology != ISP_CFG_N) {
5383                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
5384                                     "Scheduling resync.\n");
5385                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5386                                 continue;
5387                         }
5388                 }
5389
5390                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5391                 /* Check for matching device in port list. */
5392                 found = 0;
5393                 fcport = NULL;
5394                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5395                         if (memcmp(new_fcport->port_name, fcport->port_name,
5396                             WWN_SIZE))
5397                                 continue;
5398
5399                         fcport->flags &= ~FCF_FABRIC_DEVICE;
5400                         fcport->loop_id = new_fcport->loop_id;
5401                         fcport->port_type = new_fcport->port_type;
5402                         fcport->d_id.b24 = new_fcport->d_id.b24;
5403                         memcpy(fcport->node_name, new_fcport->node_name,
5404                             WWN_SIZE);
5405                         fcport->scan_state = QLA_FCPORT_FOUND;
5406                         found++;
5407                         break;
5408                 }
5409
5410                 if (!found) {
5411                         /* New device, add to fcports list. */
5412                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
5413
5414                         /* Allocate a new replacement fcport. */
5415                         fcport = new_fcport;
5416
5417                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5418
5419                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5420
5421                         if (new_fcport == NULL) {
5422                                 ql_log(ql_log_warn, vha, 0xd031,
5423                                     "Failed to allocate memory for fcport.\n");
5424                                 rval = QLA_MEMORY_ALLOC_FAILED;
5425                                 goto err;
5426                         }
5427                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5428                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5429                 }
5430
5431                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5432
5433                 /* Base iIDMA settings on HBA port speed. */
5434                 fcport->fp_speed = ha->link_data_rate;
5435
5436                 found_devs++;
5437         }
5438
5439         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5440                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5441                         break;
5442
5443                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5444                         if ((qla_dual_mode_enabled(vha) ||
5445                             qla_ini_mode_enabled(vha)) &&
5446                             atomic_read(&fcport->state) == FCS_ONLINE) {
5447                                 qla2x00_mark_device_lost(vha, fcport,
5448                                         ql2xplogiabsentdevice);
5449                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5450                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5451                                     fcport->port_type != FCT_INITIATOR &&
5452                                     fcport->port_type != FCT_BROADCAST) {
5453                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5454                                             "%s %d %8phC post del sess\n",
5455                                             __func__, __LINE__,
5456                                             fcport->port_name);
5457
5458                                         qlt_schedule_sess_for_deletion(fcport);
5459                                         continue;
5460                                 }
5461                         }
5462                 }
5463
5464                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5465                         qla24xx_fcport_handle_login(vha, fcport);
5466         }
5467
5468         qla2x00_free_fcport(new_fcport);
5469
5470         return rval;
5471
5472 err:
5473         ql_dbg(ql_dbg_disc, vha, 0x2098,
5474                "Configure local loop error exit: rval=%x.\n", rval);
5475         return rval;
5476 }
5477
5478 static void
5479 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5480 {
5481         int rval;
5482         uint16_t mb[MAILBOX_REGISTER_COUNT];
5483         struct qla_hw_data *ha = vha->hw;
5484
5485         if (!IS_IIDMA_CAPABLE(ha))
5486                 return;
5487
5488         if (atomic_read(&fcport->state) != FCS_ONLINE)
5489                 return;
5490
5491         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5492             fcport->fp_speed > ha->link_data_rate ||
5493             !ha->flags.gpsc_supported)
5494                 return;
5495
5496         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5497             mb);
5498         if (rval != QLA_SUCCESS) {
5499                 ql_dbg(ql_dbg_disc, vha, 0x2004,
5500                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5501                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5502         } else {
5503                 ql_dbg(ql_dbg_disc, vha, 0x2005,
5504                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5505                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5506                     fcport->fp_speed, fcport->port_name);
5507         }
5508 }
5509
5510 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5511 {
5512         qla2x00_iidma_fcport(vha, fcport);
5513         qla24xx_update_fcport_fcp_prio(vha, fcport);
5514 }
5515
5516 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5517 {
5518         struct qla_work_evt *e;
5519
5520         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5521         if (!e)
5522                 return QLA_FUNCTION_FAILED;
5523
5524         e->u.fcport.fcport = fcport;
5525         return qla2x00_post_work(vha, e);
5526 }
5527
5528 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5529 static void
5530 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5531 {
5532         struct fc_rport_identifiers rport_ids;
5533         struct fc_rport *rport;
5534         unsigned long flags;
5535
5536         if (atomic_read(&fcport->state) == FCS_ONLINE)
5537                 return;
5538
5539         rport_ids.node_name = wwn_to_u64(fcport->node_name);
5540         rport_ids.port_name = wwn_to_u64(fcport->port_name);
5541         rport_ids.port_id = fcport->d_id.b.domain << 16 |
5542             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5543         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5544         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5545         if (!rport) {
5546                 ql_log(ql_log_warn, vha, 0x2006,
5547                     "Unable to allocate fc remote port.\n");
5548                 return;
5549         }
5550
5551         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5552         *((fc_port_t **)rport->dd_data) = fcport;
5553         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5554         fcport->dev_loss_tmo = rport->dev_loss_tmo;
5555
5556         rport->supported_classes = fcport->supported_classes;
5557
5558         rport_ids.roles = FC_PORT_ROLE_UNKNOWN;
5559         if (fcport->port_type == FCT_INITIATOR)
5560                 rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR;
5561         if (fcport->port_type == FCT_TARGET)
5562                 rport_ids.roles |= FC_PORT_ROLE_FCP_TARGET;
5563         if (fcport->port_type & FCT_NVME_INITIATOR)
5564                 rport_ids.roles |= FC_PORT_ROLE_NVME_INITIATOR;
5565         if (fcport->port_type & FCT_NVME_TARGET)
5566                 rport_ids.roles |= FC_PORT_ROLE_NVME_TARGET;
5567         if (fcport->port_type & FCT_NVME_DISCOVERY)
5568                 rport_ids.roles |= FC_PORT_ROLE_NVME_DISCOVERY;
5569
5570         fc_remote_port_rolechg(rport, rport_ids.roles);
5571
5572         ql_dbg(ql_dbg_disc, vha, 0x20ee,
5573             "%s: %8phN. rport %ld:0:%d (%p) is %s mode\n",
5574             __func__, fcport->port_name, vha->host_no,
5575             rport->scsi_target_id, rport,
5576             (fcport->port_type == FCT_TARGET) ? "tgt" :
5577             ((fcport->port_type & FCT_NVME) ? "nvme" : "ini"));
5578 }
5579
5580 /*
5581  * qla2x00_update_fcport
5582  *      Updates device on list.
5583  *
5584  * Input:
5585  *      ha = adapter block pointer.
5586  *      fcport = port structure pointer.
5587  *
5588  * Return:
5589  *      0  - Success
5590  *  BIT_0 - error
5591  *
5592  * Context:
5593  *      Kernel context.
5594  */
5595 void
5596 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5597 {
5598         if (IS_SW_RESV_ADDR(fcport->d_id))
5599                 return;
5600
5601         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5602             __func__, fcport->port_name);
5603
5604         qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5605         fcport->login_retry = vha->hw->login_retry_count;
5606         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5607         fcport->deleted = 0;
5608         if (vha->hw->current_topology == ISP_CFG_NL)
5609                 fcport->logout_on_delete = 0;
5610         else
5611                 fcport->logout_on_delete = 1;
5612         fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
5613
5614         if (fcport->tgt_link_down_time < fcport->dev_loss_tmo) {
5615                 fcport->tgt_short_link_down_cnt++;
5616                 fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
5617         }
5618
5619         switch (vha->hw->current_topology) {
5620         case ISP_CFG_N:
5621         case ISP_CFG_NL:
5622                 fcport->keep_nport_handle = 1;
5623                 break;
5624         default:
5625                 break;
5626         }
5627
5628         qla2x00_iidma_fcport(vha, fcport);
5629
5630         qla2x00_dfs_create_rport(vha, fcport);
5631
5632         if (NVME_TARGET(vha->hw, fcport)) {
5633                 qla_nvme_register_remote(vha, fcport);
5634                 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5635                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5636                 return;
5637         }
5638
5639         qla24xx_update_fcport_fcp_prio(vha, fcport);
5640
5641         switch (vha->host->active_mode) {
5642         case MODE_INITIATOR:
5643                 qla2x00_reg_remote_port(vha, fcport);
5644                 break;
5645         case MODE_TARGET:
5646                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5647                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5648                         qlt_fc_port_added(vha, fcport);
5649                 break;
5650         case MODE_DUAL:
5651                 qla2x00_reg_remote_port(vha, fcport);
5652                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5653                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5654                         qlt_fc_port_added(vha, fcport);
5655                 break;
5656         default:
5657                 break;
5658         }
5659
5660         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5661
5662         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5663                 if (fcport->id_changed) {
5664                         fcport->id_changed = 0;
5665                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5666                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
5667                             __func__, __LINE__, fcport->port_name,
5668                             vha->fcport_count);
5669                         qla24xx_post_gfpnid_work(vha, fcport);
5670                 } else {
5671                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5672                             "%s %d %8phC post gpsc fcp_cnt %d\n",
5673                             __func__, __LINE__, fcport->port_name,
5674                             vha->fcport_count);
5675                         qla24xx_post_gpsc_work(vha, fcport);
5676                 }
5677         }
5678
5679         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5680 }
5681
5682 void qla_register_fcport_fn(struct work_struct *work)
5683 {
5684         fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
5685         u32 rscn_gen = fcport->rscn_gen;
5686         u16 data[2];
5687
5688         if (IS_SW_RESV_ADDR(fcport->d_id))
5689                 return;
5690
5691         qla2x00_update_fcport(fcport->vha, fcport);
5692
5693         if (rscn_gen != fcport->rscn_gen) {
5694                 /* RSCN(s) came in while registration */
5695                 switch (fcport->next_disc_state) {
5696                 case DSC_DELETE_PEND:
5697                         qlt_schedule_sess_for_deletion(fcport);
5698                         break;
5699                 case DSC_ADISC:
5700                         data[0] = data[1] = 0;
5701                         qla2x00_post_async_adisc_work(fcport->vha, fcport,
5702                             data);
5703                         break;
5704                 default:
5705                         break;
5706                 }
5707         }
5708 }
5709
5710 /*
5711  * qla2x00_configure_fabric
5712  *      Setup SNS devices with loop ID's.
5713  *
5714  * Input:
5715  *      ha = adapter block pointer.
5716  *
5717  * Returns:
5718  *      0 = success.
5719  *      BIT_0 = error
5720  */
5721 static int
5722 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5723 {
5724         int     rval;
5725         fc_port_t       *fcport;
5726         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5727         uint16_t        loop_id;
5728         LIST_HEAD(new_fcports);
5729         struct qla_hw_data *ha = vha->hw;
5730         int             discovery_gen;
5731
5732         /* If FL port exists, then SNS is present */
5733         if (IS_FWI2_CAPABLE(ha))
5734                 loop_id = NPH_F_PORT;
5735         else
5736                 loop_id = SNS_FL_PORT;
5737         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5738         if (rval != QLA_SUCCESS) {
5739                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
5740                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
5741
5742                 vha->device_flags &= ~SWITCH_FOUND;
5743                 return (QLA_SUCCESS);
5744         }
5745         vha->device_flags |= SWITCH_FOUND;
5746
5747         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_port_name, 0);
5748         if (rval != QLA_SUCCESS)
5749                 ql_dbg(ql_dbg_disc, vha, 0x20ff,
5750                     "Failed to get Fabric Port Name\n");
5751
5752         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5753                 rval = qla2x00_send_change_request(vha, 0x3, 0);
5754                 if (rval != QLA_SUCCESS)
5755                         ql_log(ql_log_warn, vha, 0x121,
5756                             "Failed to enable receiving of RSCN requests: 0x%x.\n",
5757                             rval);
5758         }
5759
5760         do {
5761                 qla2x00_mgmt_svr_login(vha);
5762
5763                 /* Ensure we are logged into the SNS. */
5764                 loop_id = NPH_SNS_LID(ha);
5765                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5766                     0xfc, mb, BIT_1|BIT_0);
5767                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5768                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
5769                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
5770                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5771                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5772                         return rval;
5773                 }
5774
5775                 /* FDMI support. */
5776                 if (ql2xfdmienable &&
5777                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
5778                         qla2x00_fdmi_register(vha);
5779
5780                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
5781                         if (qla2x00_rft_id(vha)) {
5782                                 /* EMPTY */
5783                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
5784                                     "Register FC-4 TYPE failed.\n");
5785                                 if (test_bit(LOOP_RESYNC_NEEDED,
5786                                     &vha->dpc_flags))
5787                                         break;
5788                         }
5789                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
5790                                 /* EMPTY */
5791                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
5792                                     "Register FC-4 Features failed.\n");
5793                                 if (test_bit(LOOP_RESYNC_NEEDED,
5794                                     &vha->dpc_flags))
5795                                         break;
5796                         }
5797                         if (vha->flags.nvme_enabled) {
5798                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
5799                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
5800                                             "Register NVME FC Type Features failed.\n");
5801                                 }
5802                         }
5803                         if (qla2x00_rnn_id(vha)) {
5804                                 /* EMPTY */
5805                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
5806                                     "Register Node Name failed.\n");
5807                                 if (test_bit(LOOP_RESYNC_NEEDED,
5808                                     &vha->dpc_flags))
5809                                         break;
5810                         } else if (qla2x00_rsnn_nn(vha)) {
5811                                 /* EMPTY */
5812                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
5813                                     "Register Symbolic Node Name failed.\n");
5814                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5815                                         break;
5816                         }
5817                 }
5818
5819
5820                 /* Mark the time right before querying FW for connected ports.
5821                  * This process is long, asynchronous and by the time it's done,
5822                  * collected information might not be accurate anymore. E.g.
5823                  * disconnected port might have re-connected and a brand new
5824                  * session has been created. In this case session's generation
5825                  * will be newer than discovery_gen. */
5826                 qlt_do_generation_tick(vha, &discovery_gen);
5827
5828                 if (USE_ASYNC_SCAN(ha)) {
5829                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
5830                             NULL);
5831                         if (rval)
5832                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5833                 } else  {
5834                         list_for_each_entry(fcport, &vha->vp_fcports, list)
5835                                 fcport->scan_state = QLA_FCPORT_SCAN;
5836
5837                         rval = qla2x00_find_all_fabric_devs(vha);
5838                 }
5839                 if (rval != QLA_SUCCESS)
5840                         break;
5841         } while (0);
5842
5843         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
5844                 qla_nvme_register_hba(vha);
5845
5846         if (rval)
5847                 ql_dbg(ql_dbg_disc, vha, 0x2068,
5848                     "Configure fabric error exit rval=%d.\n", rval);
5849
5850         return (rval);
5851 }
5852
5853 /*
5854  * qla2x00_find_all_fabric_devs
5855  *
5856  * Input:
5857  *      ha = adapter block pointer.
5858  *      dev = database device entry pointer.
5859  *
5860  * Returns:
5861  *      0 = success.
5862  *
5863  * Context:
5864  *      Kernel context.
5865  */
5866 static int
5867 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
5868 {
5869         int             rval;
5870         uint16_t        loop_id;
5871         fc_port_t       *fcport, *new_fcport;
5872         int             found;
5873
5874         sw_info_t       *swl;
5875         int             swl_idx;
5876         int             first_dev, last_dev;
5877         port_id_t       wrap = {}, nxt_d_id;
5878         struct qla_hw_data *ha = vha->hw;
5879         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5880         unsigned long flags;
5881
5882         rval = QLA_SUCCESS;
5883
5884         /* Try GID_PT to get device list, else GAN. */
5885         if (!ha->swl)
5886                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5887                     GFP_KERNEL);
5888         swl = ha->swl;
5889         if (!swl) {
5890                 /*EMPTY*/
5891                 ql_dbg(ql_dbg_disc, vha, 0x209c,
5892                     "GID_PT allocations failed, fallback on GA_NXT.\n");
5893         } else {
5894                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5895                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
5896                         swl = NULL;
5897                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5898                                 return rval;
5899                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
5900                         swl = NULL;
5901                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5902                                 return rval;
5903                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
5904                         swl = NULL;
5905                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5906                                 return rval;
5907                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
5908                         swl = NULL;
5909                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5910                                 return rval;
5911                 }
5912
5913                 /* If other queries succeeded probe for FC-4 type */
5914                 if (swl) {
5915                         qla2x00_gff_id(vha, swl);
5916                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5917                                 return rval;
5918                 }
5919         }
5920         swl_idx = 0;
5921
5922         /* Allocate temporary fcport for any new fcports discovered. */
5923         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5924         if (new_fcport == NULL) {
5925                 ql_log(ql_log_warn, vha, 0x209d,
5926                     "Failed to allocate memory for fcport.\n");
5927                 return (QLA_MEMORY_ALLOC_FAILED);
5928         }
5929         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5930         /* Set start port ID scan at adapter ID. */
5931         first_dev = 1;
5932         last_dev = 0;
5933
5934         /* Starting free loop ID. */
5935         loop_id = ha->min_external_loopid;
5936         for (; loop_id <= ha->max_loop_id; loop_id++) {
5937                 if (qla2x00_is_reserved_id(vha, loop_id))
5938                         continue;
5939
5940                 if (ha->current_topology == ISP_CFG_FL &&
5941                     (atomic_read(&vha->loop_down_timer) ||
5942                      LOOP_TRANSITION(vha))) {
5943                         atomic_set(&vha->loop_down_timer, 0);
5944                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5945                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5946                         break;
5947                 }
5948
5949                 if (swl != NULL) {
5950                         if (last_dev) {
5951                                 wrap.b24 = new_fcport->d_id.b24;
5952                         } else {
5953                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
5954                                 memcpy(new_fcport->node_name,
5955                                     swl[swl_idx].node_name, WWN_SIZE);
5956                                 memcpy(new_fcport->port_name,
5957                                     swl[swl_idx].port_name, WWN_SIZE);
5958                                 memcpy(new_fcport->fabric_port_name,
5959                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
5960                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
5961                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
5962
5963                                 new_fcport->nvme_flag = 0;
5964                                 if (vha->flags.nvme_enabled &&
5965                                     swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) {
5966                                         ql_log(ql_log_info, vha, 0x2131,
5967                                             "FOUND: NVME port %8phC as FC Type 28h\n",
5968                                             new_fcport->port_name);
5969                                 }
5970
5971                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
5972                                         last_dev = 1;
5973                                 }
5974                                 swl_idx++;
5975                         }
5976                 } else {
5977                         /* Send GA_NXT to the switch */
5978                         rval = qla2x00_ga_nxt(vha, new_fcport);
5979                         if (rval != QLA_SUCCESS) {
5980                                 ql_log(ql_log_warn, vha, 0x209e,
5981                                     "SNS scan failed -- assuming "
5982                                     "zero-entry result.\n");
5983                                 rval = QLA_SUCCESS;
5984                                 break;
5985                         }
5986                 }
5987
5988                 /* If wrap on switch device list, exit. */
5989                 if (first_dev) {
5990                         wrap.b24 = new_fcport->d_id.b24;
5991                         first_dev = 0;
5992                 } else if (new_fcport->d_id.b24 == wrap.b24) {
5993                         ql_dbg(ql_dbg_disc, vha, 0x209f,
5994                             "Device wrap (%02x%02x%02x).\n",
5995                             new_fcport->d_id.b.domain,
5996                             new_fcport->d_id.b.area,
5997                             new_fcport->d_id.b.al_pa);
5998                         break;
5999                 }
6000
6001                 /* Bypass if same physical adapter. */
6002                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
6003                         continue;
6004
6005                 /* Bypass virtual ports of the same host. */
6006                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
6007                         continue;
6008
6009                 /* Bypass if same domain and area of adapter. */
6010                 if (((new_fcport->d_id.b24 & 0xffff00) ==
6011                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
6012                         ISP_CFG_FL)
6013                             continue;
6014
6015                 /* Bypass reserved domain fields. */
6016                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
6017                         continue;
6018
6019                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
6020                 if (ql2xgffidenable &&
6021                     (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) &&
6022                     new_fcport->fc4_type != 0))
6023                         continue;
6024
6025                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
6026
6027                 /* Locate matching device in database. */
6028                 found = 0;
6029                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6030                         if (memcmp(new_fcport->port_name, fcport->port_name,
6031                             WWN_SIZE))
6032                                 continue;
6033
6034                         fcport->scan_state = QLA_FCPORT_FOUND;
6035
6036                         found++;
6037
6038                         /* Update port state. */
6039                         memcpy(fcport->fabric_port_name,
6040                             new_fcport->fabric_port_name, WWN_SIZE);
6041                         fcport->fp_speed = new_fcport->fp_speed;
6042
6043                         /*
6044                          * If address the same and state FCS_ONLINE
6045                          * (or in target mode), nothing changed.
6046                          */
6047                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
6048                             (atomic_read(&fcport->state) == FCS_ONLINE ||
6049                              (vha->host->active_mode == MODE_TARGET))) {
6050                                 break;
6051                         }
6052
6053                         if (fcport->login_retry == 0)
6054                                 fcport->login_retry =
6055                                         vha->hw->login_retry_count;
6056                         /*
6057                          * If device was not a fabric device before.
6058                          */
6059                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
6060                                 fcport->d_id.b24 = new_fcport->d_id.b24;
6061                                 qla2x00_clear_loop_id(fcport);
6062                                 fcport->flags |= (FCF_FABRIC_DEVICE |
6063                                     FCF_LOGIN_NEEDED);
6064                                 break;
6065                         }
6066
6067                         /*
6068                          * Port ID changed or device was marked to be updated;
6069                          * Log it out if still logged in and mark it for
6070                          * relogin later.
6071                          */
6072                         if (qla_tgt_mode_enabled(base_vha)) {
6073                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
6074                                          "port changed FC ID, %8phC"
6075                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
6076                                          fcport->port_name,
6077                                          fcport->d_id.b.domain,
6078                                          fcport->d_id.b.area,
6079                                          fcport->d_id.b.al_pa,
6080                                          fcport->loop_id,
6081                                          new_fcport->d_id.b.domain,
6082                                          new_fcport->d_id.b.area,
6083                                          new_fcport->d_id.b.al_pa);
6084                                 fcport->d_id.b24 = new_fcport->d_id.b24;
6085                                 break;
6086                         }
6087
6088                         fcport->d_id.b24 = new_fcport->d_id.b24;
6089                         fcport->flags |= FCF_LOGIN_NEEDED;
6090                         break;
6091                 }
6092
6093                 if (found && NVME_TARGET(vha->hw, fcport)) {
6094                         if (fcport->disc_state == DSC_DELETE_PEND) {
6095                                 qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
6096                                 vha->fcport_count--;
6097                                 fcport->login_succ = 0;
6098                         }
6099                 }
6100
6101                 if (found) {
6102                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6103                         continue;
6104                 }
6105                 /* If device was not in our fcports list, then add it. */
6106                 new_fcport->scan_state = QLA_FCPORT_FOUND;
6107                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
6108
6109                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6110
6111
6112                 /* Allocate a new replacement fcport. */
6113                 nxt_d_id.b24 = new_fcport->d_id.b24;
6114                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
6115                 if (new_fcport == NULL) {
6116                         ql_log(ql_log_warn, vha, 0xd032,
6117                             "Memory allocation failed for fcport.\n");
6118                         return (QLA_MEMORY_ALLOC_FAILED);
6119                 }
6120                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
6121                 new_fcport->d_id.b24 = nxt_d_id.b24;
6122         }
6123
6124         qla2x00_free_fcport(new_fcport);
6125
6126         /*
6127          * Logout all previous fabric dev marked lost, except FCP2 devices.
6128          */
6129         list_for_each_entry(fcport, &vha->vp_fcports, list) {
6130                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6131                         break;
6132
6133                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
6134                         continue;
6135
6136                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
6137                         if ((qla_dual_mode_enabled(vha) ||
6138                             qla_ini_mode_enabled(vha)) &&
6139                             atomic_read(&fcport->state) == FCS_ONLINE) {
6140                                 qla2x00_mark_device_lost(vha, fcport,
6141                                         ql2xplogiabsentdevice);
6142                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
6143                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
6144                                     fcport->port_type != FCT_INITIATOR &&
6145                                     fcport->port_type != FCT_BROADCAST) {
6146                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
6147                                             "%s %d %8phC post del sess\n",
6148                                             __func__, __LINE__,
6149                                             fcport->port_name);
6150                                         qlt_schedule_sess_for_deletion(fcport);
6151                                         continue;
6152                                 }
6153                         }
6154                 }
6155
6156                 if (fcport->scan_state == QLA_FCPORT_FOUND &&
6157                     (fcport->flags & FCF_LOGIN_NEEDED) != 0)
6158                         qla24xx_fcport_handle_login(vha, fcport);
6159         }
6160         return (rval);
6161 }
6162
6163 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
6164 int
6165 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
6166 {
6167         int loop_id = FC_NO_LOOP_ID;
6168         int lid = NPH_MGMT_SERVER - vha->vp_idx;
6169         unsigned long flags;
6170         struct qla_hw_data *ha = vha->hw;
6171
6172         if (vha->vp_idx == 0) {
6173                 set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
6174                 return NPH_MGMT_SERVER;
6175         }
6176
6177         /* pick id from high and work down to low */
6178         spin_lock_irqsave(&ha->vport_slock, flags);
6179         for (; lid > 0; lid--) {
6180                 if (!test_bit(lid, vha->hw->loop_id_map)) {
6181                         set_bit(lid, vha->hw->loop_id_map);
6182                         loop_id = lid;
6183                         break;
6184                 }
6185         }
6186         spin_unlock_irqrestore(&ha->vport_slock, flags);
6187
6188         return loop_id;
6189 }
6190
6191 /*
6192  * qla2x00_fabric_login
6193  *      Issue fabric login command.
6194  *
6195  * Input:
6196  *      ha = adapter block pointer.
6197  *      device = pointer to FC device type structure.
6198  *
6199  * Returns:
6200  *      0 - Login successfully
6201  *      1 - Login failed
6202  *      2 - Initiator device
6203  *      3 - Fatal error
6204  */
6205 int
6206 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
6207     uint16_t *next_loopid)
6208 {
6209         int     rval;
6210         int     retry;
6211         uint16_t tmp_loopid;
6212         uint16_t mb[MAILBOX_REGISTER_COUNT];
6213         struct qla_hw_data *ha = vha->hw;
6214
6215         retry = 0;
6216         tmp_loopid = 0;
6217
6218         for (;;) {
6219                 ql_dbg(ql_dbg_disc, vha, 0x2000,
6220                     "Trying Fabric Login w/loop id 0x%04x for port "
6221                     "%02x%02x%02x.\n",
6222                     fcport->loop_id, fcport->d_id.b.domain,
6223                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
6224
6225                 /* Login fcport on switch. */
6226                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
6227                     fcport->d_id.b.domain, fcport->d_id.b.area,
6228                     fcport->d_id.b.al_pa, mb, BIT_0);
6229                 if (rval != QLA_SUCCESS) {
6230                         return rval;
6231                 }
6232                 if (mb[0] == MBS_PORT_ID_USED) {
6233                         /*
6234                          * Device has another loop ID.  The firmware team
6235                          * recommends the driver perform an implicit login with
6236                          * the specified ID again. The ID we just used is save
6237                          * here so we return with an ID that can be tried by
6238                          * the next login.
6239                          */
6240                         retry++;
6241                         tmp_loopid = fcport->loop_id;
6242                         fcport->loop_id = mb[1];
6243
6244                         ql_dbg(ql_dbg_disc, vha, 0x2001,
6245                             "Fabric Login: port in use - next loop "
6246                             "id=0x%04x, port id= %02x%02x%02x.\n",
6247                             fcport->loop_id, fcport->d_id.b.domain,
6248                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6249
6250                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
6251                         /*
6252                          * Login succeeded.
6253                          */
6254                         if (retry) {
6255                                 /* A retry occurred before. */
6256                                 *next_loopid = tmp_loopid;
6257                         } else {
6258                                 /*
6259                                  * No retry occurred before. Just increment the
6260                                  * ID value for next login.
6261                                  */
6262                                 *next_loopid = (fcport->loop_id + 1);
6263                         }
6264
6265                         if (mb[1] & BIT_0) {
6266                                 fcport->port_type = FCT_INITIATOR;
6267                         } else {
6268                                 fcport->port_type = FCT_TARGET;
6269                                 if (mb[1] & BIT_1) {
6270                                         fcport->flags |= FCF_FCP2_DEVICE;
6271                                 }
6272                         }
6273
6274                         if (mb[10] & BIT_0)
6275                                 fcport->supported_classes |= FC_COS_CLASS2;
6276                         if (mb[10] & BIT_1)
6277                                 fcport->supported_classes |= FC_COS_CLASS3;
6278
6279                         if (IS_FWI2_CAPABLE(ha)) {
6280                                 if (mb[10] & BIT_7)
6281                                         fcport->flags |=
6282                                             FCF_CONF_COMP_SUPPORTED;
6283                         }
6284
6285                         rval = QLA_SUCCESS;
6286                         break;
6287                 } else if (mb[0] == MBS_LOOP_ID_USED) {
6288                         /*
6289                          * Loop ID already used, try next loop ID.
6290                          */
6291                         fcport->loop_id++;
6292                         rval = qla2x00_find_new_loop_id(vha, fcport);
6293                         if (rval != QLA_SUCCESS) {
6294                                 /* Ran out of loop IDs to use */
6295                                 break;
6296                         }
6297                 } else if (mb[0] == MBS_COMMAND_ERROR) {
6298                         /*
6299                          * Firmware possibly timed out during login. If NO
6300                          * retries are left to do then the device is declared
6301                          * dead.
6302                          */
6303                         *next_loopid = fcport->loop_id;
6304                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6305                             fcport->d_id.b.domain, fcport->d_id.b.area,
6306                             fcport->d_id.b.al_pa);
6307                         qla2x00_mark_device_lost(vha, fcport, 1);
6308
6309                         rval = 1;
6310                         break;
6311                 } else {
6312                         /*
6313                          * unrecoverable / not handled error
6314                          */
6315                         ql_dbg(ql_dbg_disc, vha, 0x2002,
6316                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
6317                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
6318                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
6319                             fcport->loop_id, jiffies);
6320
6321                         *next_loopid = fcport->loop_id;
6322                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6323                             fcport->d_id.b.domain, fcport->d_id.b.area,
6324                             fcport->d_id.b.al_pa);
6325                         qla2x00_clear_loop_id(fcport);
6326                         fcport->login_retry = 0;
6327
6328                         rval = 3;
6329                         break;
6330                 }
6331         }
6332
6333         return (rval);
6334 }
6335
6336 /*
6337  * qla2x00_local_device_login
6338  *      Issue local device login command.
6339  *
6340  * Input:
6341  *      ha = adapter block pointer.
6342  *      loop_id = loop id of device to login to.
6343  *
6344  * Returns (Where's the #define!!!!):
6345  *      0 - Login successfully
6346  *      1 - Login failed
6347  *      3 - Fatal error
6348  */
6349 int
6350 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6351 {
6352         int             rval;
6353         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6354
6355         memset(mb, 0, sizeof(mb));
6356         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6357         if (rval == QLA_SUCCESS) {
6358                 /* Interrogate mailbox registers for any errors */
6359                 if (mb[0] == MBS_COMMAND_ERROR)
6360                         rval = 1;
6361                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6362                         /* device not in PCB table */
6363                         rval = 3;
6364         }
6365
6366         return (rval);
6367 }
6368
6369 /*
6370  *  qla2x00_loop_resync
6371  *      Resync with fibre channel devices.
6372  *
6373  * Input:
6374  *      ha = adapter block pointer.
6375  *
6376  * Returns:
6377  *      0 = success
6378  */
6379 int
6380 qla2x00_loop_resync(scsi_qla_host_t *vha)
6381 {
6382         int rval = QLA_SUCCESS;
6383         uint32_t wait_time;
6384
6385         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6386         if (vha->flags.online) {
6387                 if (!(rval = qla2x00_fw_ready(vha))) {
6388                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
6389                         wait_time = 256;
6390                         do {
6391                                 if (!IS_QLAFX00(vha->hw)) {
6392                                         /*
6393                                          * Issue a marker after FW becomes
6394                                          * ready.
6395                                          */
6396                                         qla2x00_marker(vha, vha->hw->base_qpair,
6397                                             0, 0, MK_SYNC_ALL);
6398                                         vha->marker_needed = 0;
6399                                 }
6400
6401                                 /* Remap devices on Loop. */
6402                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6403
6404                                 if (IS_QLAFX00(vha->hw))
6405                                         qlafx00_configure_devices(vha);
6406                                 else
6407                                         qla2x00_configure_loop(vha);
6408
6409                                 wait_time--;
6410                         } while (!atomic_read(&vha->loop_down_timer) &&
6411                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6412                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6413                                 &vha->dpc_flags)));
6414                 }
6415         }
6416
6417         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6418                 return (QLA_FUNCTION_FAILED);
6419
6420         if (rval)
6421                 ql_dbg(ql_dbg_disc, vha, 0x206c,
6422                     "%s *** FAILED ***.\n", __func__);
6423
6424         return (rval);
6425 }
6426
6427 /*
6428 * qla2x00_perform_loop_resync
6429 * Description: This function will set the appropriate flags and call
6430 *              qla2x00_loop_resync. If successful loop will be resynced
6431 * Arguments : scsi_qla_host_t pointer
6432 * returm    : Success or Failure
6433 */
6434
6435 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
6436 {
6437         int32_t rval = 0;
6438
6439         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
6440                 /*Configure the flags so that resync happens properly*/
6441                 atomic_set(&ha->loop_down_timer, 0);
6442                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
6443                         atomic_set(&ha->loop_state, LOOP_UP);
6444                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
6445                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
6446                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
6447
6448                         rval = qla2x00_loop_resync(ha);
6449                 } else
6450                         atomic_set(&ha->loop_state, LOOP_DEAD);
6451
6452                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
6453         }
6454
6455         return rval;
6456 }
6457
6458 void
6459 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
6460 {
6461         fc_port_t *fcport;
6462         struct scsi_qla_host *vha;
6463         struct qla_hw_data *ha = base_vha->hw;
6464         unsigned long flags;
6465
6466         spin_lock_irqsave(&ha->vport_slock, flags);
6467         /* Go with deferred removal of rport references. */
6468         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
6469                 atomic_inc(&vha->vref_count);
6470                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6471                         if (fcport->drport &&
6472                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
6473                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6474                                 qla2x00_rport_del(fcport);
6475
6476                                 spin_lock_irqsave(&ha->vport_slock, flags);
6477                         }
6478                 }
6479                 atomic_dec(&vha->vref_count);
6480                 wake_up(&vha->vref_waitq);
6481         }
6482         spin_unlock_irqrestore(&ha->vport_slock, flags);
6483 }
6484
6485 /* Assumes idc_lock always held on entry */
6486 void
6487 qla83xx_reset_ownership(scsi_qla_host_t *vha)
6488 {
6489         struct qla_hw_data *ha = vha->hw;
6490         uint32_t drv_presence, drv_presence_mask;
6491         uint32_t dev_part_info1, dev_part_info2, class_type;
6492         uint32_t class_type_mask = 0x3;
6493         uint16_t fcoe_other_function = 0xffff, i;
6494
6495         if (IS_QLA8044(ha)) {
6496                 drv_presence = qla8044_rd_direct(vha,
6497                     QLA8044_CRB_DRV_ACTIVE_INDEX);
6498                 dev_part_info1 = qla8044_rd_direct(vha,
6499                     QLA8044_CRB_DEV_PART_INFO_INDEX);
6500                 dev_part_info2 = qla8044_rd_direct(vha,
6501                     QLA8044_CRB_DEV_PART_INFO2);
6502         } else {
6503                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6504                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
6505                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
6506         }
6507         for (i = 0; i < 8; i++) {
6508                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
6509                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6510                     (i != ha->portnum)) {
6511                         fcoe_other_function = i;
6512                         break;
6513                 }
6514         }
6515         if (fcoe_other_function == 0xffff) {
6516                 for (i = 0; i < 8; i++) {
6517                         class_type = ((dev_part_info2 >> (i * 4)) &
6518                             class_type_mask);
6519                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6520                             ((i + 8) != ha->portnum)) {
6521                                 fcoe_other_function = i + 8;
6522                                 break;
6523                         }
6524                 }
6525         }
6526         /*
6527          * Prepare drv-presence mask based on fcoe functions present.
6528          * However consider only valid physical fcoe function numbers (0-15).
6529          */
6530         drv_presence_mask = ~((1 << (ha->portnum)) |
6531                         ((fcoe_other_function == 0xffff) ?
6532                          0 : (1 << (fcoe_other_function))));
6533
6534         /* We are the reset owner iff:
6535          *    - No other protocol drivers present.
6536          *    - This is the lowest among fcoe functions. */
6537         if (!(drv_presence & drv_presence_mask) &&
6538                         (ha->portnum < fcoe_other_function)) {
6539                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6540                     "This host is Reset owner.\n");
6541                 ha->flags.nic_core_reset_owner = 1;
6542         }
6543 }
6544
6545 static int
6546 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6547 {
6548         int rval = QLA_SUCCESS;
6549         struct qla_hw_data *ha = vha->hw;
6550         uint32_t drv_ack;
6551
6552         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6553         if (rval == QLA_SUCCESS) {
6554                 drv_ack |= (1 << ha->portnum);
6555                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6556         }
6557
6558         return rval;
6559 }
6560
6561 static int
6562 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6563 {
6564         int rval = QLA_SUCCESS;
6565         struct qla_hw_data *ha = vha->hw;
6566         uint32_t drv_ack;
6567
6568         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6569         if (rval == QLA_SUCCESS) {
6570                 drv_ack &= ~(1 << ha->portnum);
6571                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6572         }
6573
6574         return rval;
6575 }
6576
6577 static const char *
6578 qla83xx_dev_state_to_string(uint32_t dev_state)
6579 {
6580         switch (dev_state) {
6581         case QLA8XXX_DEV_COLD:
6582                 return "COLD/RE-INIT";
6583         case QLA8XXX_DEV_INITIALIZING:
6584                 return "INITIALIZING";
6585         case QLA8XXX_DEV_READY:
6586                 return "READY";
6587         case QLA8XXX_DEV_NEED_RESET:
6588                 return "NEED RESET";
6589         case QLA8XXX_DEV_NEED_QUIESCENT:
6590                 return "NEED QUIESCENT";
6591         case QLA8XXX_DEV_FAILED:
6592                 return "FAILED";
6593         case QLA8XXX_DEV_QUIESCENT:
6594                 return "QUIESCENT";
6595         default:
6596                 return "Unknown";
6597         }
6598 }
6599
6600 /* Assumes idc-lock always held on entry */
6601 void
6602 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6603 {
6604         struct qla_hw_data *ha = vha->hw;
6605         uint32_t idc_audit_reg = 0, duration_secs = 0;
6606
6607         switch (audit_type) {
6608         case IDC_AUDIT_TIMESTAMP:
6609                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6610                 idc_audit_reg = (ha->portnum) |
6611                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6612                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6613                 break;
6614
6615         case IDC_AUDIT_COMPLETION:
6616                 duration_secs = ((jiffies_to_msecs(jiffies) -
6617                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6618                 idc_audit_reg = (ha->portnum) |
6619                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6620                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6621                 break;
6622
6623         default:
6624                 ql_log(ql_log_warn, vha, 0xb078,
6625                     "Invalid audit type specified.\n");
6626                 break;
6627         }
6628 }
6629
6630 /* Assumes idc_lock always held on entry */
6631 static int
6632 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6633 {
6634         struct qla_hw_data *ha = vha->hw;
6635         uint32_t  idc_control, dev_state;
6636
6637         __qla83xx_get_idc_control(vha, &idc_control);
6638         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6639                 ql_log(ql_log_info, vha, 0xb080,
6640                     "NIC Core reset has been disabled. idc-control=0x%x\n",
6641                     idc_control);
6642                 return QLA_FUNCTION_FAILED;
6643         }
6644
6645         /* Set NEED-RESET iff in READY state and we are the reset-owner */
6646         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6647         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6648                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6649                     QLA8XXX_DEV_NEED_RESET);
6650                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6651                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6652         } else {
6653                 const char *state = qla83xx_dev_state_to_string(dev_state);
6654
6655                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
6656
6657                 /* SV: XXX: Is timeout required here? */
6658                 /* Wait for IDC state change READY -> NEED_RESET */
6659                 while (dev_state == QLA8XXX_DEV_READY) {
6660                         qla83xx_idc_unlock(vha, 0);
6661                         msleep(200);
6662                         qla83xx_idc_lock(vha, 0);
6663                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6664                 }
6665         }
6666
6667         /* Send IDC ack by writing to drv-ack register */
6668         __qla83xx_set_drv_ack(vha);
6669
6670         return QLA_SUCCESS;
6671 }
6672
6673 int
6674 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6675 {
6676         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6677 }
6678
6679 int
6680 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6681 {
6682         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6683 }
6684
6685 static int
6686 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6687 {
6688         uint32_t drv_presence = 0;
6689         struct qla_hw_data *ha = vha->hw;
6690
6691         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6692         if (drv_presence & (1 << ha->portnum))
6693                 return QLA_SUCCESS;
6694         else
6695                 return QLA_TEST_FAILED;
6696 }
6697
6698 int
6699 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6700 {
6701         int rval = QLA_SUCCESS;
6702         struct qla_hw_data *ha = vha->hw;
6703
6704         ql_dbg(ql_dbg_p3p, vha, 0xb058,
6705             "Entered  %s().\n", __func__);
6706
6707         if (vha->device_flags & DFLG_DEV_FAILED) {
6708                 ql_log(ql_log_warn, vha, 0xb059,
6709                     "Device in unrecoverable FAILED state.\n");
6710                 return QLA_FUNCTION_FAILED;
6711         }
6712
6713         qla83xx_idc_lock(vha, 0);
6714
6715         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6716                 ql_log(ql_log_warn, vha, 0xb05a,
6717                     "Function=0x%x has been removed from IDC participation.\n",
6718                     ha->portnum);
6719                 rval = QLA_FUNCTION_FAILED;
6720                 goto exit;
6721         }
6722
6723         qla83xx_reset_ownership(vha);
6724
6725         rval = qla83xx_initiating_reset(vha);
6726
6727         /*
6728          * Perform reset if we are the reset-owner,
6729          * else wait till IDC state changes to READY/FAILED.
6730          */
6731         if (rval == QLA_SUCCESS) {
6732                 rval = qla83xx_idc_state_handler(vha);
6733
6734                 if (rval == QLA_SUCCESS)
6735                         ha->flags.nic_core_hung = 0;
6736                 __qla83xx_clear_drv_ack(vha);
6737         }
6738
6739 exit:
6740         qla83xx_idc_unlock(vha, 0);
6741
6742         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6743
6744         return rval;
6745 }
6746
6747 int
6748 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6749 {
6750         struct qla_hw_data *ha = vha->hw;
6751         int rval = QLA_FUNCTION_FAILED;
6752
6753         if (!IS_MCTP_CAPABLE(ha)) {
6754                 /* This message can be removed from the final version */
6755                 ql_log(ql_log_info, vha, 0x506d,
6756                     "This board is not MCTP capable\n");
6757                 return rval;
6758         }
6759
6760         if (!ha->mctp_dump) {
6761                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6762                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6763
6764                 if (!ha->mctp_dump) {
6765                         ql_log(ql_log_warn, vha, 0x506e,
6766                             "Failed to allocate memory for mctp dump\n");
6767                         return rval;
6768                 }
6769         }
6770
6771 #define MCTP_DUMP_STR_ADDR      0x00000000
6772         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6773             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6774         if (rval != QLA_SUCCESS) {
6775                 ql_log(ql_log_warn, vha, 0x506f,
6776                     "Failed to capture mctp dump\n");
6777         } else {
6778                 ql_log(ql_log_info, vha, 0x5070,
6779                     "Mctp dump capture for host (%ld/%p).\n",
6780                     vha->host_no, ha->mctp_dump);
6781                 ha->mctp_dumped = 1;
6782         }
6783
6784         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6785                 ha->flags.nic_core_reset_hdlr_active = 1;
6786                 rval = qla83xx_restart_nic_firmware(vha);
6787                 if (rval)
6788                         /* NIC Core reset failed. */
6789                         ql_log(ql_log_warn, vha, 0x5071,
6790                             "Failed to restart nic firmware\n");
6791                 else
6792                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
6793                             "Restarted NIC firmware successfully.\n");
6794                 ha->flags.nic_core_reset_hdlr_active = 0;
6795         }
6796
6797         return rval;
6798
6799 }
6800
6801 /*
6802 * qla2x00_quiesce_io
6803 * Description: This function will block the new I/Os
6804 *              Its not aborting any I/Os as context
6805 *              is not destroyed during quiescence
6806 * Arguments: scsi_qla_host_t
6807 * return   : void
6808 */
6809 void
6810 qla2x00_quiesce_io(scsi_qla_host_t *vha)
6811 {
6812         struct qla_hw_data *ha = vha->hw;
6813         struct scsi_qla_host *vp;
6814
6815         ql_dbg(ql_dbg_dpc, vha, 0x401d,
6816             "Quiescing I/O - ha=%p.\n", ha);
6817
6818         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
6819         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6820                 atomic_set(&vha->loop_state, LOOP_DOWN);
6821                 qla2x00_mark_all_devices_lost(vha);
6822                 list_for_each_entry(vp, &ha->vp_list, list)
6823                         qla2x00_mark_all_devices_lost(vp);
6824         } else {
6825                 if (!atomic_read(&vha->loop_down_timer))
6826                         atomic_set(&vha->loop_down_timer,
6827                                         LOOP_DOWN_TIME);
6828         }
6829         /* Wait for pending cmds to complete */
6830         WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST)
6831                      != QLA_SUCCESS);
6832 }
6833
6834 void
6835 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
6836 {
6837         struct qla_hw_data *ha = vha->hw;
6838         struct scsi_qla_host *vp;
6839         unsigned long flags;
6840         fc_port_t *fcport;
6841         u16 i;
6842
6843         /* For ISP82XX, driver waits for completion of the commands.
6844          * online flag should be set.
6845          */
6846         if (!(IS_P3P_TYPE(ha)))
6847                 vha->flags.online = 0;
6848         ha->flags.chip_reset_done = 0;
6849         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6850         vha->qla_stats.total_isp_aborts++;
6851
6852         ql_log(ql_log_info, vha, 0x00af,
6853             "Performing ISP error recovery - ha=%p.\n", ha);
6854
6855         ha->flags.purge_mbox = 1;
6856         /* For ISP82XX, reset_chip is just disabling interrupts.
6857          * Driver waits for the completion of the commands.
6858          * the interrupts need to be enabled.
6859          */
6860         if (!(IS_P3P_TYPE(ha)))
6861                 ha->isp_ops->reset_chip(vha);
6862
6863         ha->link_data_rate = PORT_SPEED_UNKNOWN;
6864         SAVE_TOPO(ha);
6865         ha->flags.rida_fmt2 = 0;
6866         ha->flags.n2n_ae = 0;
6867         ha->flags.lip_ae = 0;
6868         ha->current_topology = 0;
6869         QLA_FW_STOPPED(ha);
6870         ha->flags.fw_init_done = 0;
6871         ha->chip_reset++;
6872         ha->base_qpair->chip_reset = ha->chip_reset;
6873         for (i = 0; i < ha->max_qpairs; i++) {
6874                 if (ha->queue_pair_map[i])
6875                         ha->queue_pair_map[i]->chip_reset =
6876                                 ha->base_qpair->chip_reset;
6877         }
6878
6879         /* purge MBox commands */
6880         if (atomic_read(&ha->num_pend_mbx_stage3)) {
6881                 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
6882                 complete(&ha->mbx_intr_comp);
6883         }
6884
6885         i = 0;
6886         while (atomic_read(&ha->num_pend_mbx_stage3) ||
6887             atomic_read(&ha->num_pend_mbx_stage2) ||
6888             atomic_read(&ha->num_pend_mbx_stage1)) {
6889                 msleep(20);
6890                 i++;
6891                 if (i > 50)
6892                         break;
6893         }
6894         ha->flags.purge_mbox = 0;
6895
6896         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
6897         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6898                 atomic_set(&vha->loop_state, LOOP_DOWN);
6899                 qla2x00_mark_all_devices_lost(vha);
6900
6901                 spin_lock_irqsave(&ha->vport_slock, flags);
6902                 list_for_each_entry(vp, &ha->vp_list, list) {
6903                         atomic_inc(&vp->vref_count);
6904                         spin_unlock_irqrestore(&ha->vport_slock, flags);
6905
6906                         qla2x00_mark_all_devices_lost(vp);
6907
6908                         spin_lock_irqsave(&ha->vport_slock, flags);
6909                         atomic_dec(&vp->vref_count);
6910                 }
6911                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6912         } else {
6913                 if (!atomic_read(&vha->loop_down_timer))
6914                         atomic_set(&vha->loop_down_timer,
6915                             LOOP_DOWN_TIME);
6916         }
6917
6918         /* Clear all async request states across all VPs. */
6919         list_for_each_entry(fcport, &vha->vp_fcports, list) {
6920                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6921                 fcport->scan_state = 0;
6922         }
6923         spin_lock_irqsave(&ha->vport_slock, flags);
6924         list_for_each_entry(vp, &ha->vp_list, list) {
6925                 atomic_inc(&vp->vref_count);
6926                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6927
6928                 list_for_each_entry(fcport, &vp->vp_fcports, list)
6929                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6930
6931                 spin_lock_irqsave(&ha->vport_slock, flags);
6932                 atomic_dec(&vp->vref_count);
6933         }
6934         spin_unlock_irqrestore(&ha->vport_slock, flags);
6935
6936         /* Make sure for ISP 82XX IO DMA is complete */
6937         if (IS_P3P_TYPE(ha)) {
6938                 qla82xx_chip_reset_cleanup(vha);
6939                 ql_log(ql_log_info, vha, 0x00b4,
6940                        "Done chip reset cleanup.\n");
6941
6942                 /* Done waiting for pending commands. Reset online flag */
6943                 vha->flags.online = 0;
6944         }
6945
6946         /* Requeue all commands in outstanding command list. */
6947         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6948         /* memory barrier */
6949         wmb();
6950 }
6951
6952 /*
6953 *  qla2x00_abort_isp
6954 *      Resets ISP and aborts all outstanding commands.
6955 *
6956 * Input:
6957 *      ha           = adapter block pointer.
6958 *
6959 * Returns:
6960 *      0 = success
6961 */
6962 int
6963 qla2x00_abort_isp(scsi_qla_host_t *vha)
6964 {
6965         int rval;
6966         uint8_t        status = 0;
6967         struct qla_hw_data *ha = vha->hw;
6968         struct scsi_qla_host *vp;
6969         struct req_que *req = ha->req_q_map[0];
6970         unsigned long flags;
6971
6972         if (vha->flags.online) {
6973                 qla2x00_abort_isp_cleanup(vha);
6974
6975                 if (vha->hw->flags.port_isolated)
6976                         return status;
6977
6978                 if (qla2x00_isp_reg_stat(ha)) {
6979                         ql_log(ql_log_info, vha, 0x803f,
6980                                "ISP Abort - ISP reg disconnect, exiting.\n");
6981                         return status;
6982                 }
6983
6984                 if (test_and_clear_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags)) {
6985                         ha->flags.chip_reset_done = 1;
6986                         vha->flags.online = 1;
6987                         status = 0;
6988                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6989                         return status;
6990                 }
6991
6992                 if (IS_QLA8031(ha)) {
6993                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
6994                             "Clearing fcoe driver presence.\n");
6995                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
6996                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
6997                                     "Error while clearing DRV-Presence.\n");
6998                 }
6999
7000                 if (unlikely(pci_channel_offline(ha->pdev) &&
7001                     ha->flags.pci_channel_io_perm_failure)) {
7002                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7003                         status = 0;
7004                         return status;
7005                 }
7006
7007                 switch (vha->qlini_mode) {
7008                 case QLA2XXX_INI_MODE_DISABLED:
7009                         if (!qla_tgt_mode_enabled(vha))
7010                                 return 0;
7011                         break;
7012                 case QLA2XXX_INI_MODE_DUAL:
7013                         if (!qla_dual_mode_enabled(vha))
7014                                 return 0;
7015                         break;
7016                 case QLA2XXX_INI_MODE_ENABLED:
7017                 default:
7018                         break;
7019                 }
7020
7021                 ha->isp_ops->get_flash_version(vha, req->ring);
7022
7023                 if (qla2x00_isp_reg_stat(ha)) {
7024                         ql_log(ql_log_info, vha, 0x803f,
7025                                "ISP Abort - ISP reg disconnect pre nvram config, exiting.\n");
7026                         return status;
7027                 }
7028                 ha->isp_ops->nvram_config(vha);
7029
7030                 if (qla2x00_isp_reg_stat(ha)) {
7031                         ql_log(ql_log_info, vha, 0x803f,
7032                                "ISP Abort - ISP reg disconnect post nvmram config, exiting.\n");
7033                         return status;
7034                 }
7035                 if (!qla2x00_restart_isp(vha)) {
7036                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7037
7038                         if (!atomic_read(&vha->loop_down_timer)) {
7039                                 /*
7040                                  * Issue marker command only when we are going
7041                                  * to start the I/O .
7042                                  */
7043                                 vha->marker_needed = 1;
7044                         }
7045
7046                         vha->flags.online = 1;
7047
7048                         ha->isp_ops->enable_intrs(ha);
7049
7050                         ha->isp_abort_cnt = 0;
7051                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7052
7053                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
7054                                 qla2x00_get_fw_version(vha);
7055                         if (ha->fce) {
7056                                 ha->flags.fce_enabled = 1;
7057                                 memset(ha->fce, 0,
7058                                     fce_calc_size(ha->fce_bufs));
7059                                 rval = qla2x00_enable_fce_trace(vha,
7060                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
7061                                     &ha->fce_bufs);
7062                                 if (rval) {
7063                                         ql_log(ql_log_warn, vha, 0x8033,
7064                                             "Unable to reinitialize FCE "
7065                                             "(%d).\n", rval);
7066                                         ha->flags.fce_enabled = 0;
7067                                 }
7068                         }
7069
7070                         if (ha->eft) {
7071                                 memset(ha->eft, 0, EFT_SIZE);
7072                                 rval = qla2x00_enable_eft_trace(vha,
7073                                     ha->eft_dma, EFT_NUM_BUFFERS);
7074                                 if (rval) {
7075                                         ql_log(ql_log_warn, vha, 0x8034,
7076                                             "Unable to reinitialize EFT "
7077                                             "(%d).\n", rval);
7078                                 }
7079                         }
7080                 } else {        /* failed the ISP abort */
7081                         vha->flags.online = 1;
7082                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
7083                                 if (ha->isp_abort_cnt == 0) {
7084                                         ql_log(ql_log_fatal, vha, 0x8035,
7085                                             "ISP error recover failed - "
7086                                             "board disabled.\n");
7087                                         /*
7088                                          * The next call disables the board
7089                                          * completely.
7090                                          */
7091                                         qla2x00_abort_isp_cleanup(vha);
7092                                         vha->flags.online = 0;
7093                                         clear_bit(ISP_ABORT_RETRY,
7094                                             &vha->dpc_flags);
7095                                         status = 0;
7096                                 } else { /* schedule another ISP abort */
7097                                         ha->isp_abort_cnt--;
7098                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
7099                                             "ISP abort - retry remaining %d.\n",
7100                                             ha->isp_abort_cnt);
7101                                         status = 1;
7102                                 }
7103                         } else {
7104                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
7105                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
7106                                     "ISP error recovery - retrying (%d) "
7107                                     "more times.\n", ha->isp_abort_cnt);
7108                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7109                                 status = 1;
7110                         }
7111                 }
7112
7113         }
7114
7115         if (vha->hw->flags.port_isolated) {
7116                 qla2x00_abort_isp_cleanup(vha);
7117                 return status;
7118         }
7119
7120         if (!status) {
7121                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
7122                 qla2x00_configure_hba(vha);
7123                 spin_lock_irqsave(&ha->vport_slock, flags);
7124                 list_for_each_entry(vp, &ha->vp_list, list) {
7125                         if (vp->vp_idx) {
7126                                 atomic_inc(&vp->vref_count);
7127                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7128
7129                                 qla2x00_vp_abort_isp(vp);
7130
7131                                 spin_lock_irqsave(&ha->vport_slock, flags);
7132                                 atomic_dec(&vp->vref_count);
7133                         }
7134                 }
7135                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7136
7137                 if (IS_QLA8031(ha)) {
7138                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
7139                             "Setting back fcoe driver presence.\n");
7140                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
7141                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
7142                                     "Error while setting DRV-Presence.\n");
7143                 }
7144         } else {
7145                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
7146                        __func__);
7147         }
7148
7149         return(status);
7150 }
7151
7152 /*
7153 *  qla2x00_restart_isp
7154 *      restarts the ISP after a reset
7155 *
7156 * Input:
7157 *      ha = adapter block pointer.
7158 *
7159 * Returns:
7160 *      0 = success
7161 */
7162 static int
7163 qla2x00_restart_isp(scsi_qla_host_t *vha)
7164 {
7165         int status;
7166         struct qla_hw_data *ha = vha->hw;
7167
7168         /* If firmware needs to be loaded */
7169         if (qla2x00_isp_firmware(vha)) {
7170                 vha->flags.online = 0;
7171                 status = ha->isp_ops->chip_diag(vha);
7172                 if (status)
7173                         return status;
7174                 status = qla2x00_setup_chip(vha);
7175                 if (status)
7176                         return status;
7177         }
7178
7179         status = qla2x00_init_rings(vha);
7180         if (status)
7181                 return status;
7182
7183         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7184         ha->flags.chip_reset_done = 1;
7185
7186         /* Initialize the queues in use */
7187         qla25xx_init_queues(ha);
7188
7189         status = qla2x00_fw_ready(vha);
7190         if (status) {
7191                 /* if no cable then assume it's good */
7192                 return vha->device_flags & DFLG_NO_CABLE ? 0 : status;
7193         }
7194
7195         /* Issue a marker after FW becomes ready. */
7196         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
7197         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7198
7199         return 0;
7200 }
7201
7202 static int
7203 qla25xx_init_queues(struct qla_hw_data *ha)
7204 {
7205         struct rsp_que *rsp = NULL;
7206         struct req_que *req = NULL;
7207         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7208         int ret = -1;
7209         int i;
7210
7211         for (i = 1; i < ha->max_rsp_queues; i++) {
7212                 rsp = ha->rsp_q_map[i];
7213                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
7214                         rsp->options &= ~BIT_0;
7215                         ret = qla25xx_init_rsp_que(base_vha, rsp);
7216                         if (ret != QLA_SUCCESS)
7217                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
7218                                     "%s Rsp que: %d init failed.\n",
7219                                     __func__, rsp->id);
7220                         else
7221                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
7222                                     "%s Rsp que: %d inited.\n",
7223                                     __func__, rsp->id);
7224                 }
7225         }
7226         for (i = 1; i < ha->max_req_queues; i++) {
7227                 req = ha->req_q_map[i];
7228                 if (req && test_bit(i, ha->req_qid_map)) {
7229                         /* Clear outstanding commands array. */
7230                         req->options &= ~BIT_0;
7231                         ret = qla25xx_init_req_que(base_vha, req);
7232                         if (ret != QLA_SUCCESS)
7233                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
7234                                     "%s Req que: %d init failed.\n",
7235                                     __func__, req->id);
7236                         else
7237                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
7238                                     "%s Req que: %d inited.\n",
7239                                     __func__, req->id);
7240                 }
7241         }
7242         return ret;
7243 }
7244
7245 /*
7246 * qla2x00_reset_adapter
7247 *      Reset adapter.
7248 *
7249 * Input:
7250 *      ha = adapter block pointer.
7251 */
7252 int
7253 qla2x00_reset_adapter(scsi_qla_host_t *vha)
7254 {
7255         unsigned long flags = 0;
7256         struct qla_hw_data *ha = vha->hw;
7257         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7258
7259         vha->flags.online = 0;
7260         ha->isp_ops->disable_intrs(ha);
7261
7262         spin_lock_irqsave(&ha->hardware_lock, flags);
7263         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
7264         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7265         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
7266         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7267         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7268
7269         return QLA_SUCCESS;
7270 }
7271
7272 int
7273 qla24xx_reset_adapter(scsi_qla_host_t *vha)
7274 {
7275         unsigned long flags = 0;
7276         struct qla_hw_data *ha = vha->hw;
7277         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
7278
7279         if (IS_P3P_TYPE(ha))
7280                 return QLA_SUCCESS;
7281
7282         vha->flags.online = 0;
7283         ha->isp_ops->disable_intrs(ha);
7284
7285         spin_lock_irqsave(&ha->hardware_lock, flags);
7286         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
7287         rd_reg_dword(&reg->hccr);
7288         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
7289         rd_reg_dword(&reg->hccr);
7290         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7291
7292         if (IS_NOPOLLING_TYPE(ha))
7293                 ha->isp_ops->enable_intrs(ha);
7294
7295         return QLA_SUCCESS;
7296 }
7297
7298 /* On sparc systems, obtain port and node WWN from firmware
7299  * properties.
7300  */
7301 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
7302         struct nvram_24xx *nv)
7303 {
7304 #ifdef CONFIG_SPARC
7305         struct qla_hw_data *ha = vha->hw;
7306         struct pci_dev *pdev = ha->pdev;
7307         struct device_node *dp = pci_device_to_OF_node(pdev);
7308         const u8 *val;
7309         int len;
7310
7311         val = of_get_property(dp, "port-wwn", &len);
7312         if (val && len >= WWN_SIZE)
7313                 memcpy(nv->port_name, val, WWN_SIZE);
7314
7315         val = of_get_property(dp, "node-wwn", &len);
7316         if (val && len >= WWN_SIZE)
7317                 memcpy(nv->node_name, val, WWN_SIZE);
7318 #endif
7319 }
7320
7321 int
7322 qla24xx_nvram_config(scsi_qla_host_t *vha)
7323 {
7324         int   rval;
7325         struct init_cb_24xx *icb;
7326         struct nvram_24xx *nv;
7327         __le32 *dptr;
7328         uint8_t  *dptr1, *dptr2;
7329         uint32_t chksum;
7330         uint16_t cnt;
7331         struct qla_hw_data *ha = vha->hw;
7332
7333         rval = QLA_SUCCESS;
7334         icb = (struct init_cb_24xx *)ha->init_cb;
7335         nv = ha->nvram;
7336
7337         /* Determine NVRAM starting address. */
7338         if (ha->port_no == 0) {
7339                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
7340                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
7341         } else {
7342                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7343                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
7344         }
7345
7346         ha->nvram_size = sizeof(*nv);
7347         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7348
7349         /* Get VPD data into cache */
7350         ha->vpd = ha->nvram + VPD_OFFSET;
7351         ha->isp_ops->read_nvram(vha, ha->vpd,
7352             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
7353
7354         /* Get NVRAM data into cache and calculate checksum. */
7355         dptr = (__force __le32 *)nv;
7356         ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size);
7357         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7358                 chksum += le32_to_cpu(*dptr);
7359
7360         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
7361             "Contents of NVRAM\n");
7362         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7363             nv, ha->nvram_size);
7364
7365         /* Bad NVRAM data, set defaults parameters. */
7366         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
7367             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
7368                 /* Reset NVRAM data. */
7369                 ql_log(ql_log_warn, vha, 0x006b,
7370                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
7371                     chksum, nv->id, nv->nvram_version);
7372                 ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv));
7373                 ql_log(ql_log_warn, vha, 0x006c,
7374                     "Falling back to functioning (yet invalid -- WWPN) "
7375                     "defaults.\n");
7376
7377                 /*
7378                  * Set default initialization control block.
7379                  */
7380                 memset(nv, 0, ha->nvram_size);
7381                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7382                 nv->version = cpu_to_le16(ICB_VERSION);
7383                 nv->frame_payload_size = cpu_to_le16(2048);
7384                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7385                 nv->exchange_count = cpu_to_le16(0);
7386                 nv->hard_address = cpu_to_le16(124);
7387                 nv->port_name[0] = 0x21;
7388                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7389                 nv->port_name[2] = 0x00;
7390                 nv->port_name[3] = 0xe0;
7391                 nv->port_name[4] = 0x8b;
7392                 nv->port_name[5] = 0x1c;
7393                 nv->port_name[6] = 0x55;
7394                 nv->port_name[7] = 0x86;
7395                 nv->node_name[0] = 0x20;
7396                 nv->node_name[1] = 0x00;
7397                 nv->node_name[2] = 0x00;
7398                 nv->node_name[3] = 0xe0;
7399                 nv->node_name[4] = 0x8b;
7400                 nv->node_name[5] = 0x1c;
7401                 nv->node_name[6] = 0x55;
7402                 nv->node_name[7] = 0x86;
7403                 qla24xx_nvram_wwn_from_ofw(vha, nv);
7404                 nv->login_retry_count = cpu_to_le16(8);
7405                 nv->interrupt_delay_timer = cpu_to_le16(0);
7406                 nv->login_timeout = cpu_to_le16(0);
7407                 nv->firmware_options_1 =
7408                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7409                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7410                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7411                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7412                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7413                 nv->efi_parameters = cpu_to_le32(0);
7414                 nv->reset_delay = 5;
7415                 nv->max_luns_per_target = cpu_to_le16(128);
7416                 nv->port_down_retry_count = cpu_to_le16(30);
7417                 nv->link_down_timeout = cpu_to_le16(30);
7418
7419                 rval = 1;
7420         }
7421
7422         if (qla_tgt_mode_enabled(vha)) {
7423                 /* Don't enable full login after initial LIP */
7424                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7425                 /* Don't enable LIP full login for initiator */
7426                 nv->host_p &= cpu_to_le32(~BIT_10);
7427         }
7428
7429         qlt_24xx_config_nvram_stage1(vha, nv);
7430
7431         /* Reset Initialization control block */
7432         memset(icb, 0, ha->init_cb_size);
7433
7434         /* Copy 1st segment. */
7435         dptr1 = (uint8_t *)icb;
7436         dptr2 = (uint8_t *)&nv->version;
7437         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7438         while (cnt--)
7439                 *dptr1++ = *dptr2++;
7440
7441         icb->login_retry_count = nv->login_retry_count;
7442         icb->link_down_on_nos = nv->link_down_on_nos;
7443
7444         /* Copy 2nd segment. */
7445         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7446         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7447         cnt = (uint8_t *)&icb->reserved_3 -
7448             (uint8_t *)&icb->interrupt_delay_timer;
7449         while (cnt--)
7450                 *dptr1++ = *dptr2++;
7451         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7452         /*
7453          * Setup driver NVRAM options.
7454          */
7455         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7456             "QLA2462");
7457
7458         qlt_24xx_config_nvram_stage2(vha, icb);
7459
7460         if (nv->host_p & cpu_to_le32(BIT_15)) {
7461                 /* Use alternate WWN? */
7462                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7463                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7464         }
7465
7466         /* Prepare nodename */
7467         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7468                 /*
7469                  * Firmware will apply the following mask if the nodename was
7470                  * not provided.
7471                  */
7472                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7473                 icb->node_name[0] &= 0xF0;
7474         }
7475
7476         /* Set host adapter parameters. */
7477         ha->flags.disable_risc_code_load = 0;
7478         ha->flags.enable_lip_reset = 0;
7479         ha->flags.enable_lip_full_login =
7480             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
7481         ha->flags.enable_target_reset =
7482             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
7483         ha->flags.enable_led_scheme = 0;
7484         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
7485
7486         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7487             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7488
7489         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
7490             sizeof(ha->fw_seriallink_options24));
7491
7492         /* save HBA serial number */
7493         ha->serial0 = icb->port_name[5];
7494         ha->serial1 = icb->port_name[6];
7495         ha->serial2 = icb->port_name[7];
7496         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7497         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7498
7499         icb->execution_throttle = cpu_to_le16(0xFFFF);
7500
7501         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7502
7503         /* Set minimum login_timeout to 4 seconds. */
7504         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7505                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7506         if (le16_to_cpu(nv->login_timeout) < 4)
7507                 nv->login_timeout = cpu_to_le16(4);
7508         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7509
7510         /* Set minimum RATOV to 100 tenths of a second. */
7511         ha->r_a_tov = 100;
7512
7513         ha->loop_reset_delay = nv->reset_delay;
7514
7515         /* Link Down Timeout = 0:
7516          *
7517          *      When Port Down timer expires we will start returning
7518          *      I/O's to OS with "DID_NO_CONNECT".
7519          *
7520          * Link Down Timeout != 0:
7521          *
7522          *       The driver waits for the link to come up after link down
7523          *       before returning I/Os to OS with "DID_NO_CONNECT".
7524          */
7525         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7526                 ha->loop_down_abort_time =
7527                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7528         } else {
7529                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7530                 ha->loop_down_abort_time =
7531                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7532         }
7533
7534         /* Need enough time to try and get the port back. */
7535         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7536         if (qlport_down_retry)
7537                 ha->port_down_retry_count = qlport_down_retry;
7538
7539         /* Set login_retry_count */
7540         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
7541         if (ha->port_down_retry_count ==
7542             le16_to_cpu(nv->port_down_retry_count) &&
7543             ha->port_down_retry_count > 3)
7544                 ha->login_retry_count = ha->port_down_retry_count;
7545         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7546                 ha->login_retry_count = ha->port_down_retry_count;
7547         if (ql2xloginretrycount)
7548                 ha->login_retry_count = ql2xloginretrycount;
7549
7550         /* N2N: driver will initiate Login instead of FW */
7551         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
7552
7553         /* Enable ZIO. */
7554         if (!vha->flags.init_done) {
7555                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7556                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7557                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7558                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
7559         }
7560         icb->firmware_options_2 &= cpu_to_le32(
7561             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7562         if (ha->zio_mode != QLA_ZIO_DISABLED) {
7563                 ha->zio_mode = QLA_ZIO_MODE_6;
7564
7565                 ql_log(ql_log_info, vha, 0x006f,
7566                     "ZIO mode %d enabled; timer delay (%d us).\n",
7567                     ha->zio_mode, ha->zio_timer * 100);
7568
7569                 icb->firmware_options_2 |= cpu_to_le32(
7570                     (uint32_t)ha->zio_mode);
7571                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7572         }
7573
7574         if (rval) {
7575                 ql_log(ql_log_warn, vha, 0x0070,
7576                     "NVRAM configuration failed.\n");
7577         }
7578         return (rval);
7579 }
7580
7581 static void
7582 qla27xx_print_image(struct scsi_qla_host *vha, char *name,
7583     struct qla27xx_image_status *image_status)
7584 {
7585         ql_dbg(ql_dbg_init, vha, 0x018b,
7586             "%s %s: mask=%#02x gen=%#04x ver=%u.%u map=%#01x sum=%#08x sig=%#08x\n",
7587             name, "status",
7588             image_status->image_status_mask,
7589             le16_to_cpu(image_status->generation),
7590             image_status->ver_major,
7591             image_status->ver_minor,
7592             image_status->bitmap,
7593             le32_to_cpu(image_status->checksum),
7594             le32_to_cpu(image_status->signature));
7595 }
7596
7597 static bool
7598 qla28xx_check_aux_image_status_signature(
7599     struct qla27xx_image_status *image_status)
7600 {
7601         ulong signature = le32_to_cpu(image_status->signature);
7602
7603         return signature != QLA28XX_AUX_IMG_STATUS_SIGN;
7604 }
7605
7606 static bool
7607 qla27xx_check_image_status_signature(struct qla27xx_image_status *image_status)
7608 {
7609         ulong signature = le32_to_cpu(image_status->signature);
7610
7611         return
7612             signature != QLA27XX_IMG_STATUS_SIGN &&
7613             signature != QLA28XX_IMG_STATUS_SIGN;
7614 }
7615
7616 static ulong
7617 qla27xx_image_status_checksum(struct qla27xx_image_status *image_status)
7618 {
7619         __le32 *p = (__force __le32 *)image_status;
7620         uint n = sizeof(*image_status) / sizeof(*p);
7621         uint32_t sum = 0;
7622
7623         for ( ; n--; p++)
7624                 sum += le32_to_cpup(p);
7625
7626         return sum;
7627 }
7628
7629 static inline uint
7630 qla28xx_component_bitmask(struct qla27xx_image_status *aux, uint bitmask)
7631 {
7632         return aux->bitmap & bitmask ?
7633             QLA27XX_SECONDARY_IMAGE : QLA27XX_PRIMARY_IMAGE;
7634 }
7635
7636 static void
7637 qla28xx_component_status(
7638     struct active_regions *active_regions, struct qla27xx_image_status *aux)
7639 {
7640         active_regions->aux.board_config =
7641             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_BOARD_CONFIG);
7642
7643         active_regions->aux.vpd_nvram =
7644             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_VPD_NVRAM);
7645
7646         active_regions->aux.npiv_config_0_1 =
7647             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_0_1);
7648
7649         active_regions->aux.npiv_config_2_3 =
7650             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_2_3);
7651 }
7652
7653 static int
7654 qla27xx_compare_image_generation(
7655     struct qla27xx_image_status *pri_image_status,
7656     struct qla27xx_image_status *sec_image_status)
7657 {
7658         /* calculate generation delta as uint16 (this accounts for wrap) */
7659         int16_t delta =
7660             le16_to_cpu(pri_image_status->generation) -
7661             le16_to_cpu(sec_image_status->generation);
7662
7663         ql_dbg(ql_dbg_init, NULL, 0x0180, "generation delta = %d\n", delta);
7664
7665         return delta;
7666 }
7667
7668 void
7669 qla28xx_get_aux_images(
7670         struct scsi_qla_host *vha, struct active_regions *active_regions)
7671 {
7672         struct qla_hw_data *ha = vha->hw;
7673         struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status;
7674         bool valid_pri_image = false, valid_sec_image = false;
7675         bool active_pri_image = false, active_sec_image = false;
7676
7677         if (!ha->flt_region_aux_img_status_pri) {
7678                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n");
7679                 goto check_sec_image;
7680         }
7681
7682         qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status,
7683             ha->flt_region_aux_img_status_pri,
7684             sizeof(pri_aux_image_status) >> 2);
7685         qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status);
7686
7687         if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) {
7688                 ql_dbg(ql_dbg_init, vha, 0x018b,
7689                     "Primary aux image signature (%#x) not valid\n",
7690                     le32_to_cpu(pri_aux_image_status.signature));
7691                 goto check_sec_image;
7692         }
7693
7694         if (qla27xx_image_status_checksum(&pri_aux_image_status)) {
7695                 ql_dbg(ql_dbg_init, vha, 0x018c,
7696                     "Primary aux image checksum failed\n");
7697                 goto check_sec_image;
7698         }
7699
7700         valid_pri_image = true;
7701
7702         if (pri_aux_image_status.image_status_mask & 1) {
7703                 ql_dbg(ql_dbg_init, vha, 0x018d,
7704                     "Primary aux image is active\n");
7705                 active_pri_image = true;
7706         }
7707
7708 check_sec_image:
7709         if (!ha->flt_region_aux_img_status_sec) {
7710                 ql_dbg(ql_dbg_init, vha, 0x018a,
7711                     "Secondary aux image not addressed\n");
7712                 goto check_valid_image;
7713         }
7714
7715         qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status,
7716             ha->flt_region_aux_img_status_sec,
7717             sizeof(sec_aux_image_status) >> 2);
7718         qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status);
7719
7720         if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) {
7721                 ql_dbg(ql_dbg_init, vha, 0x018b,
7722                     "Secondary aux image signature (%#x) not valid\n",
7723                     le32_to_cpu(sec_aux_image_status.signature));
7724                 goto check_valid_image;
7725         }
7726
7727         if (qla27xx_image_status_checksum(&sec_aux_image_status)) {
7728                 ql_dbg(ql_dbg_init, vha, 0x018c,
7729                     "Secondary aux image checksum failed\n");
7730                 goto check_valid_image;
7731         }
7732
7733         valid_sec_image = true;
7734
7735         if (sec_aux_image_status.image_status_mask & 1) {
7736                 ql_dbg(ql_dbg_init, vha, 0x018d,
7737                     "Secondary aux image is active\n");
7738                 active_sec_image = true;
7739         }
7740
7741 check_valid_image:
7742         if (valid_pri_image && active_pri_image &&
7743             valid_sec_image && active_sec_image) {
7744                 if (qla27xx_compare_image_generation(&pri_aux_image_status,
7745                     &sec_aux_image_status) >= 0) {
7746                         qla28xx_component_status(active_regions,
7747                             &pri_aux_image_status);
7748                 } else {
7749                         qla28xx_component_status(active_regions,
7750                             &sec_aux_image_status);
7751                 }
7752         } else if (valid_pri_image && active_pri_image) {
7753                 qla28xx_component_status(active_regions, &pri_aux_image_status);
7754         } else if (valid_sec_image && active_sec_image) {
7755                 qla28xx_component_status(active_regions, &sec_aux_image_status);
7756         }
7757
7758         ql_dbg(ql_dbg_init, vha, 0x018f,
7759             "aux images active: BCFG=%u VPD/NVR=%u NPIV0/1=%u NPIV2/3=%u\n",
7760             active_regions->aux.board_config,
7761             active_regions->aux.vpd_nvram,
7762             active_regions->aux.npiv_config_0_1,
7763             active_regions->aux.npiv_config_2_3);
7764 }
7765
7766 void
7767 qla27xx_get_active_image(struct scsi_qla_host *vha,
7768     struct active_regions *active_regions)
7769 {
7770         struct qla_hw_data *ha = vha->hw;
7771         struct qla27xx_image_status pri_image_status, sec_image_status;
7772         bool valid_pri_image = false, valid_sec_image = false;
7773         bool active_pri_image = false, active_sec_image = false;
7774
7775         if (!ha->flt_region_img_status_pri) {
7776                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n");
7777                 goto check_sec_image;
7778         }
7779
7780         if (qla24xx_read_flash_data(vha, (uint32_t *)&pri_image_status,
7781             ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) !=
7782             QLA_SUCCESS) {
7783                 WARN_ON_ONCE(true);
7784                 goto check_sec_image;
7785         }
7786         qla27xx_print_image(vha, "Primary image", &pri_image_status);
7787
7788         if (qla27xx_check_image_status_signature(&pri_image_status)) {
7789                 ql_dbg(ql_dbg_init, vha, 0x018b,
7790                     "Primary image signature (%#x) not valid\n",
7791                     le32_to_cpu(pri_image_status.signature));
7792                 goto check_sec_image;
7793         }
7794
7795         if (qla27xx_image_status_checksum(&pri_image_status)) {
7796                 ql_dbg(ql_dbg_init, vha, 0x018c,
7797                     "Primary image checksum failed\n");
7798                 goto check_sec_image;
7799         }
7800
7801         valid_pri_image = true;
7802
7803         if (pri_image_status.image_status_mask & 1) {
7804                 ql_dbg(ql_dbg_init, vha, 0x018d,
7805                     "Primary image is active\n");
7806                 active_pri_image = true;
7807         }
7808
7809 check_sec_image:
7810         if (!ha->flt_region_img_status_sec) {
7811                 ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n");
7812                 goto check_valid_image;
7813         }
7814
7815         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
7816             ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2);
7817         qla27xx_print_image(vha, "Secondary image", &sec_image_status);
7818
7819         if (qla27xx_check_image_status_signature(&sec_image_status)) {
7820                 ql_dbg(ql_dbg_init, vha, 0x018b,
7821                     "Secondary image signature (%#x) not valid\n",
7822                     le32_to_cpu(sec_image_status.signature));
7823                 goto check_valid_image;
7824         }
7825
7826         if (qla27xx_image_status_checksum(&sec_image_status)) {
7827                 ql_dbg(ql_dbg_init, vha, 0x018c,
7828                     "Secondary image checksum failed\n");
7829                 goto check_valid_image;
7830         }
7831
7832         valid_sec_image = true;
7833
7834         if (sec_image_status.image_status_mask & 1) {
7835                 ql_dbg(ql_dbg_init, vha, 0x018d,
7836                     "Secondary image is active\n");
7837                 active_sec_image = true;
7838         }
7839
7840 check_valid_image:
7841         if (valid_pri_image && active_pri_image)
7842                 active_regions->global = QLA27XX_PRIMARY_IMAGE;
7843
7844         if (valid_sec_image && active_sec_image) {
7845                 if (!active_regions->global ||
7846                     qla27xx_compare_image_generation(
7847                         &pri_image_status, &sec_image_status) < 0) {
7848                         active_regions->global = QLA27XX_SECONDARY_IMAGE;
7849                 }
7850         }
7851
7852         ql_dbg(ql_dbg_init, vha, 0x018f, "active image %s (%u)\n",
7853             active_regions->global == QLA27XX_DEFAULT_IMAGE ?
7854                 "default (boot/fw)" :
7855             active_regions->global == QLA27XX_PRIMARY_IMAGE ?
7856                 "primary" :
7857             active_regions->global == QLA27XX_SECONDARY_IMAGE ?
7858                 "secondary" : "invalid",
7859             active_regions->global);
7860 }
7861
7862 bool qla24xx_risc_firmware_invalid(uint32_t *dword)
7863 {
7864         return
7865             !(dword[4] | dword[5] | dword[6] | dword[7]) ||
7866             !(~dword[4] | ~dword[5] | ~dword[6] | ~dword[7]);
7867 }
7868
7869 static int
7870 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
7871     uint32_t faddr)
7872 {
7873         int rval;
7874         uint templates, segments, fragment;
7875         ulong i;
7876         uint j;
7877         ulong dlen;
7878         uint32_t *dcode;
7879         uint32_t risc_addr, risc_size, risc_attr = 0;
7880         struct qla_hw_data *ha = vha->hw;
7881         struct req_que *req = ha->req_q_map[0];
7882         struct fwdt *fwdt = ha->fwdt;
7883
7884         ql_dbg(ql_dbg_init, vha, 0x008b,
7885             "FW: Loading firmware from flash (%x).\n", faddr);
7886
7887         dcode = (uint32_t *)req->ring;
7888         qla24xx_read_flash_data(vha, dcode, faddr, 8);
7889         if (qla24xx_risc_firmware_invalid(dcode)) {
7890                 ql_log(ql_log_fatal, vha, 0x008c,
7891                     "Unable to verify the integrity of flash firmware "
7892                     "image.\n");
7893                 ql_log(ql_log_fatal, vha, 0x008d,
7894                     "Firmware data: %08x %08x %08x %08x.\n",
7895                     dcode[0], dcode[1], dcode[2], dcode[3]);
7896
7897                 return QLA_FUNCTION_FAILED;
7898         }
7899
7900         dcode = (uint32_t *)req->ring;
7901         *srisc_addr = 0;
7902         segments = FA_RISC_CODE_SEGMENTS;
7903         for (j = 0; j < segments; j++) {
7904                 ql_dbg(ql_dbg_init, vha, 0x008d,
7905                     "-> Loading segment %u...\n", j);
7906                 qla24xx_read_flash_data(vha, dcode, faddr, 10);
7907                 risc_addr = be32_to_cpu((__force __be32)dcode[2]);
7908                 risc_size = be32_to_cpu((__force __be32)dcode[3]);
7909                 if (!*srisc_addr) {
7910                         *srisc_addr = risc_addr;
7911                         risc_attr = be32_to_cpu((__force __be32)dcode[9]);
7912                 }
7913
7914                 dlen = ha->fw_transfer_size >> 2;
7915                 for (fragment = 0; risc_size; fragment++) {
7916                         if (dlen > risc_size)
7917                                 dlen = risc_size;
7918
7919                         ql_dbg(ql_dbg_init, vha, 0x008e,
7920                             "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n",
7921                             fragment, risc_addr, faddr, dlen);
7922                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
7923                         for (i = 0; i < dlen; i++)
7924                                 dcode[i] = swab32(dcode[i]);
7925
7926                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
7927                         if (rval) {
7928                                 ql_log(ql_log_fatal, vha, 0x008f,
7929                                     "-> Failed load firmware fragment %u.\n",
7930                                     fragment);
7931                                 return QLA_FUNCTION_FAILED;
7932                         }
7933
7934                         faddr += dlen;
7935                         risc_addr += dlen;
7936                         risc_size -= dlen;
7937                 }
7938         }
7939
7940         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
7941                 return QLA_SUCCESS;
7942
7943         templates = (risc_attr & BIT_9) ? 2 : 1;
7944         ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates);
7945         for (j = 0; j < templates; j++, fwdt++) {
7946                 vfree(fwdt->template);
7947                 fwdt->template = NULL;
7948                 fwdt->length = 0;
7949
7950                 dcode = (uint32_t *)req->ring;
7951                 qla24xx_read_flash_data(vha, dcode, faddr, 7);
7952                 risc_size = be32_to_cpu((__force __be32)dcode[2]);
7953                 ql_dbg(ql_dbg_init, vha, 0x0161,
7954                     "-> fwdt%u template array at %#x (%#x dwords)\n",
7955                     j, faddr, risc_size);
7956                 if (!risc_size || !~risc_size) {
7957                         ql_dbg(ql_dbg_init, vha, 0x0162,
7958                             "-> fwdt%u failed to read array\n", j);
7959                         goto failed;
7960                 }
7961
7962                 /* skip header and ignore checksum */
7963                 faddr += 7;
7964                 risc_size -= 8;
7965
7966                 ql_dbg(ql_dbg_init, vha, 0x0163,
7967                     "-> fwdt%u template allocate template %#x words...\n",
7968                     j, risc_size);
7969                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
7970                 if (!fwdt->template) {
7971                         ql_log(ql_log_warn, vha, 0x0164,
7972                             "-> fwdt%u failed allocate template.\n", j);
7973                         goto failed;
7974                 }
7975
7976                 dcode = fwdt->template;
7977                 qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
7978
7979                 if (!qla27xx_fwdt_template_valid(dcode)) {
7980                         ql_log(ql_log_warn, vha, 0x0165,
7981                             "-> fwdt%u failed template validate\n", j);
7982                         goto failed;
7983                 }
7984
7985                 dlen = qla27xx_fwdt_template_size(dcode);
7986                 ql_dbg(ql_dbg_init, vha, 0x0166,
7987                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
7988                     j, dlen, dlen / sizeof(*dcode));
7989                 if (dlen > risc_size * sizeof(*dcode)) {
7990                         ql_log(ql_log_warn, vha, 0x0167,
7991                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
7992                             j, dlen - risc_size * sizeof(*dcode));
7993                         goto failed;
7994                 }
7995
7996                 fwdt->length = dlen;
7997                 ql_dbg(ql_dbg_init, vha, 0x0168,
7998                     "-> fwdt%u loaded template ok\n", j);
7999
8000                 faddr += risc_size + 1;
8001         }
8002
8003         return QLA_SUCCESS;
8004
8005 failed:
8006         vfree(fwdt->template);
8007         fwdt->template = NULL;
8008         fwdt->length = 0;
8009
8010         return QLA_SUCCESS;
8011 }
8012
8013 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
8014
8015 int
8016 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8017 {
8018         int     rval;
8019         int     i, fragment;
8020         uint16_t *wcode;
8021         __be16   *fwcode;
8022         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
8023         struct fw_blob *blob;
8024         struct qla_hw_data *ha = vha->hw;
8025         struct req_que *req = ha->req_q_map[0];
8026
8027         /* Load firmware blob. */
8028         blob = qla2x00_request_firmware(vha);
8029         if (!blob) {
8030                 ql_log(ql_log_info, vha, 0x0083,
8031                     "Firmware image unavailable.\n");
8032                 ql_log(ql_log_info, vha, 0x0084,
8033                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
8034                 return QLA_FUNCTION_FAILED;
8035         }
8036
8037         rval = QLA_SUCCESS;
8038
8039         wcode = (uint16_t *)req->ring;
8040         *srisc_addr = 0;
8041         fwcode = (__force __be16 *)blob->fw->data;
8042         fwclen = 0;
8043
8044         /* Validate firmware image by checking version. */
8045         if (blob->fw->size < 8 * sizeof(uint16_t)) {
8046                 ql_log(ql_log_fatal, vha, 0x0085,
8047                     "Unable to verify integrity of firmware image (%zd).\n",
8048                     blob->fw->size);
8049                 goto fail_fw_integrity;
8050         }
8051         for (i = 0; i < 4; i++)
8052                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
8053         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
8054             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
8055                 wcode[2] == 0 && wcode[3] == 0)) {
8056                 ql_log(ql_log_fatal, vha, 0x0086,
8057                     "Unable to verify integrity of firmware image.\n");
8058                 ql_log(ql_log_fatal, vha, 0x0087,
8059                     "Firmware data: %04x %04x %04x %04x.\n",
8060                     wcode[0], wcode[1], wcode[2], wcode[3]);
8061                 goto fail_fw_integrity;
8062         }
8063
8064         seg = blob->segs;
8065         while (*seg && rval == QLA_SUCCESS) {
8066                 risc_addr = *seg;
8067                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
8068                 risc_size = be16_to_cpu(fwcode[3]);
8069
8070                 /* Validate firmware image size. */
8071                 fwclen += risc_size * sizeof(uint16_t);
8072                 if (blob->fw->size < fwclen) {
8073                         ql_log(ql_log_fatal, vha, 0x0088,
8074                             "Unable to verify integrity of firmware image "
8075                             "(%zd).\n", blob->fw->size);
8076                         goto fail_fw_integrity;
8077                 }
8078
8079                 fragment = 0;
8080                 while (risc_size > 0 && rval == QLA_SUCCESS) {
8081                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
8082                         if (wlen > risc_size)
8083                                 wlen = risc_size;
8084                         ql_dbg(ql_dbg_init, vha, 0x0089,
8085                             "Loading risc segment@ risc addr %x number of "
8086                             "words 0x%x.\n", risc_addr, wlen);
8087
8088                         for (i = 0; i < wlen; i++)
8089                                 wcode[i] = swab16((__force u32)fwcode[i]);
8090
8091                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
8092                             wlen);
8093                         if (rval) {
8094                                 ql_log(ql_log_fatal, vha, 0x008a,
8095                                     "Failed to load segment %d of firmware.\n",
8096                                     fragment);
8097                                 break;
8098                         }
8099
8100                         fwcode += wlen;
8101                         risc_addr += wlen;
8102                         risc_size -= wlen;
8103                         fragment++;
8104                 }
8105
8106                 /* Next segment. */
8107                 seg++;
8108         }
8109         return rval;
8110
8111 fail_fw_integrity:
8112         return QLA_FUNCTION_FAILED;
8113 }
8114
8115 static int
8116 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8117 {
8118         int     rval;
8119         uint templates, segments, fragment;
8120         uint32_t *dcode;
8121         ulong dlen;
8122         uint32_t risc_addr, risc_size, risc_attr = 0;
8123         ulong i;
8124         uint j;
8125         struct fw_blob *blob;
8126         __be32 *fwcode;
8127         struct qla_hw_data *ha = vha->hw;
8128         struct req_que *req = ha->req_q_map[0];
8129         struct fwdt *fwdt = ha->fwdt;
8130
8131         ql_dbg(ql_dbg_init, vha, 0x0090,
8132             "-> FW: Loading via request-firmware.\n");
8133
8134         blob = qla2x00_request_firmware(vha);
8135         if (!blob) {
8136                 ql_log(ql_log_warn, vha, 0x0092,
8137                     "-> Firmware file not found.\n");
8138
8139                 return QLA_FUNCTION_FAILED;
8140         }
8141
8142         fwcode = (__force __be32 *)blob->fw->data;
8143         dcode = (__force uint32_t *)fwcode;
8144         if (qla24xx_risc_firmware_invalid(dcode)) {
8145                 ql_log(ql_log_fatal, vha, 0x0093,
8146                     "Unable to verify integrity of firmware image (%zd).\n",
8147                     blob->fw->size);
8148                 ql_log(ql_log_fatal, vha, 0x0095,
8149                     "Firmware data: %08x %08x %08x %08x.\n",
8150                     dcode[0], dcode[1], dcode[2], dcode[3]);
8151                 return QLA_FUNCTION_FAILED;
8152         }
8153
8154         dcode = (uint32_t *)req->ring;
8155         *srisc_addr = 0;
8156         segments = FA_RISC_CODE_SEGMENTS;
8157         for (j = 0; j < segments; j++) {
8158                 ql_dbg(ql_dbg_init, vha, 0x0096,
8159                     "-> Loading segment %u...\n", j);
8160                 risc_addr = be32_to_cpu(fwcode[2]);
8161                 risc_size = be32_to_cpu(fwcode[3]);
8162
8163                 if (!*srisc_addr) {
8164                         *srisc_addr = risc_addr;
8165                         risc_attr = be32_to_cpu(fwcode[9]);
8166                 }
8167
8168                 dlen = ha->fw_transfer_size >> 2;
8169                 for (fragment = 0; risc_size; fragment++) {
8170                         if (dlen > risc_size)
8171                                 dlen = risc_size;
8172
8173                         ql_dbg(ql_dbg_init, vha, 0x0097,
8174                             "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n",
8175                             fragment, risc_addr,
8176                             (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data),
8177                             dlen);
8178
8179                         for (i = 0; i < dlen; i++)
8180                                 dcode[i] = swab32((__force u32)fwcode[i]);
8181
8182                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8183                         if (rval) {
8184                                 ql_log(ql_log_fatal, vha, 0x0098,
8185                                     "-> Failed load firmware fragment %u.\n",
8186                                     fragment);
8187                                 return QLA_FUNCTION_FAILED;
8188                         }
8189
8190                         fwcode += dlen;
8191                         risc_addr += dlen;
8192                         risc_size -= dlen;
8193                 }
8194         }
8195
8196         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8197                 return QLA_SUCCESS;
8198
8199         templates = (risc_attr & BIT_9) ? 2 : 1;
8200         ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates);
8201         for (j = 0; j < templates; j++, fwdt++) {
8202                 vfree(fwdt->template);
8203                 fwdt->template = NULL;
8204                 fwdt->length = 0;
8205
8206                 risc_size = be32_to_cpu(fwcode[2]);
8207                 ql_dbg(ql_dbg_init, vha, 0x0171,
8208                     "-> fwdt%u template array at %#x (%#x dwords)\n",
8209                     j, (uint32_t)((void *)fwcode - (void *)blob->fw->data),
8210                     risc_size);
8211                 if (!risc_size || !~risc_size) {
8212                         ql_dbg(ql_dbg_init, vha, 0x0172,
8213                             "-> fwdt%u failed to read array\n", j);
8214                         goto failed;
8215                 }
8216
8217                 /* skip header and ignore checksum */
8218                 fwcode += 7;
8219                 risc_size -= 8;
8220
8221                 ql_dbg(ql_dbg_init, vha, 0x0173,
8222                     "-> fwdt%u template allocate template %#x words...\n",
8223                     j, risc_size);
8224                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
8225                 if (!fwdt->template) {
8226                         ql_log(ql_log_warn, vha, 0x0174,
8227                             "-> fwdt%u failed allocate template.\n", j);
8228                         goto failed;
8229                 }
8230
8231                 dcode = fwdt->template;
8232                 for (i = 0; i < risc_size; i++)
8233                         dcode[i] = (__force u32)fwcode[i];
8234
8235                 if (!qla27xx_fwdt_template_valid(dcode)) {
8236                         ql_log(ql_log_warn, vha, 0x0175,
8237                             "-> fwdt%u failed template validate\n", j);
8238                         goto failed;
8239                 }
8240
8241                 dlen = qla27xx_fwdt_template_size(dcode);
8242                 ql_dbg(ql_dbg_init, vha, 0x0176,
8243                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8244                     j, dlen, dlen / sizeof(*dcode));
8245                 if (dlen > risc_size * sizeof(*dcode)) {
8246                         ql_log(ql_log_warn, vha, 0x0177,
8247                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
8248                             j, dlen - risc_size * sizeof(*dcode));
8249                         goto failed;
8250                 }
8251
8252                 fwdt->length = dlen;
8253                 ql_dbg(ql_dbg_init, vha, 0x0178,
8254                     "-> fwdt%u loaded template ok\n", j);
8255
8256                 fwcode += risc_size + 1;
8257         }
8258
8259         return QLA_SUCCESS;
8260
8261 failed:
8262         vfree(fwdt->template);
8263         fwdt->template = NULL;
8264         fwdt->length = 0;
8265
8266         return QLA_SUCCESS;
8267 }
8268
8269 int
8270 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8271 {
8272         int rval;
8273
8274         if (ql2xfwloadbin == 1)
8275                 return qla81xx_load_risc(vha, srisc_addr);
8276
8277         /*
8278          * FW Load priority:
8279          * 1) Firmware via request-firmware interface (.bin file).
8280          * 2) Firmware residing in flash.
8281          */
8282         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8283         if (rval == QLA_SUCCESS)
8284                 return rval;
8285
8286         return qla24xx_load_risc_flash(vha, srisc_addr,
8287             vha->hw->flt_region_fw);
8288 }
8289
8290 int
8291 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8292 {
8293         int rval;
8294         struct qla_hw_data *ha = vha->hw;
8295         struct active_regions active_regions = { };
8296
8297         if (ql2xfwloadbin == 2)
8298                 goto try_blob_fw;
8299
8300         /* FW Load priority:
8301          * 1) Firmware residing in flash.
8302          * 2) Firmware via request-firmware interface (.bin file).
8303          * 3) Golden-Firmware residing in flash -- (limited operation).
8304          */
8305
8306         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8307                 goto try_primary_fw;
8308
8309         qla27xx_get_active_image(vha, &active_regions);
8310
8311         if (active_regions.global != QLA27XX_SECONDARY_IMAGE)
8312                 goto try_primary_fw;
8313
8314         ql_dbg(ql_dbg_init, vha, 0x008b,
8315             "Loading secondary firmware image.\n");
8316         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw_sec);
8317         if (!rval)
8318                 return rval;
8319
8320 try_primary_fw:
8321         ql_dbg(ql_dbg_init, vha, 0x008b,
8322             "Loading primary firmware image.\n");
8323         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
8324         if (!rval)
8325                 return rval;
8326
8327 try_blob_fw:
8328         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8329         if (!rval || !ha->flt_region_gold_fw)
8330                 return rval;
8331
8332         ql_log(ql_log_info, vha, 0x0099,
8333             "Attempting to fallback to golden firmware.\n");
8334         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
8335         if (rval)
8336                 return rval;
8337
8338         ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n");
8339         ha->flags.running_gold_fw = 1;
8340         return rval;
8341 }
8342
8343 void
8344 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
8345 {
8346         int ret, retries;
8347         struct qla_hw_data *ha = vha->hw;
8348
8349         if (ha->flags.pci_channel_io_perm_failure)
8350                 return;
8351         if (!IS_FWI2_CAPABLE(ha))
8352                 return;
8353         if (!ha->fw_major_version)
8354                 return;
8355         if (!ha->flags.fw_started)
8356                 return;
8357
8358         ret = qla2x00_stop_firmware(vha);
8359         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
8360             ret != QLA_INVALID_COMMAND && retries ; retries--) {
8361                 ha->isp_ops->reset_chip(vha);
8362                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
8363                         continue;
8364                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
8365                         continue;
8366                 ql_log(ql_log_info, vha, 0x8015,
8367                     "Attempting retry of stop-firmware command.\n");
8368                 ret = qla2x00_stop_firmware(vha);
8369         }
8370
8371         QLA_FW_STOPPED(ha);
8372         ha->flags.fw_init_done = 0;
8373 }
8374
8375 int
8376 qla24xx_configure_vhba(scsi_qla_host_t *vha)
8377 {
8378         int rval = QLA_SUCCESS;
8379         int rval2;
8380         uint16_t mb[MAILBOX_REGISTER_COUNT];
8381         struct qla_hw_data *ha = vha->hw;
8382         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
8383
8384         if (!vha->vp_idx)
8385                 return -EINVAL;
8386
8387         rval = qla2x00_fw_ready(base_vha);
8388
8389         if (rval == QLA_SUCCESS) {
8390                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8391                 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8392         }
8393
8394         vha->flags.management_server_logged_in = 0;
8395
8396         /* Login to SNS first */
8397         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
8398             BIT_1);
8399         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
8400                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
8401                         ql_dbg(ql_dbg_init, vha, 0x0120,
8402                             "Failed SNS login: loop_id=%x, rval2=%d\n",
8403                             NPH_SNS, rval2);
8404                 else
8405                         ql_dbg(ql_dbg_init, vha, 0x0103,
8406                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
8407                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
8408                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
8409                 return (QLA_FUNCTION_FAILED);
8410         }
8411
8412         atomic_set(&vha->loop_down_timer, 0);
8413         atomic_set(&vha->loop_state, LOOP_UP);
8414         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8415         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
8416         rval = qla2x00_loop_resync(base_vha);
8417
8418         return rval;
8419 }
8420
8421 /* 84XX Support **************************************************************/
8422
8423 static LIST_HEAD(qla_cs84xx_list);
8424 static DEFINE_MUTEX(qla_cs84xx_mutex);
8425
8426 static struct qla_chip_state_84xx *
8427 qla84xx_get_chip(struct scsi_qla_host *vha)
8428 {
8429         struct qla_chip_state_84xx *cs84xx;
8430         struct qla_hw_data *ha = vha->hw;
8431
8432         mutex_lock(&qla_cs84xx_mutex);
8433
8434         /* Find any shared 84xx chip. */
8435         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
8436                 if (cs84xx->bus == ha->pdev->bus) {
8437                         kref_get(&cs84xx->kref);
8438                         goto done;
8439                 }
8440         }
8441
8442         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
8443         if (!cs84xx)
8444                 goto done;
8445
8446         kref_init(&cs84xx->kref);
8447         spin_lock_init(&cs84xx->access_lock);
8448         mutex_init(&cs84xx->fw_update_mutex);
8449         cs84xx->bus = ha->pdev->bus;
8450
8451         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
8452 done:
8453         mutex_unlock(&qla_cs84xx_mutex);
8454         return cs84xx;
8455 }
8456
8457 static void
8458 __qla84xx_chip_release(struct kref *kref)
8459 {
8460         struct qla_chip_state_84xx *cs84xx =
8461             container_of(kref, struct qla_chip_state_84xx, kref);
8462
8463         mutex_lock(&qla_cs84xx_mutex);
8464         list_del(&cs84xx->list);
8465         mutex_unlock(&qla_cs84xx_mutex);
8466         kfree(cs84xx);
8467 }
8468
8469 void
8470 qla84xx_put_chip(struct scsi_qla_host *vha)
8471 {
8472         struct qla_hw_data *ha = vha->hw;
8473
8474         if (ha->cs84xx)
8475                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
8476 }
8477
8478 static int
8479 qla84xx_init_chip(scsi_qla_host_t *vha)
8480 {
8481         int rval;
8482         uint16_t status[2];
8483         struct qla_hw_data *ha = vha->hw;
8484
8485         mutex_lock(&ha->cs84xx->fw_update_mutex);
8486
8487         rval = qla84xx_verify_chip(vha, status);
8488
8489         mutex_unlock(&ha->cs84xx->fw_update_mutex);
8490
8491         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED :
8492             QLA_SUCCESS;
8493 }
8494
8495 /* 81XX Support **************************************************************/
8496
8497 int
8498 qla81xx_nvram_config(scsi_qla_host_t *vha)
8499 {
8500         int   rval;
8501         struct init_cb_81xx *icb;
8502         struct nvram_81xx *nv;
8503         __le32 *dptr;
8504         uint8_t  *dptr1, *dptr2;
8505         uint32_t chksum;
8506         uint16_t cnt;
8507         struct qla_hw_data *ha = vha->hw;
8508         uint32_t faddr;
8509         struct active_regions active_regions = { };
8510
8511         rval = QLA_SUCCESS;
8512         icb = (struct init_cb_81xx *)ha->init_cb;
8513         nv = ha->nvram;
8514
8515         /* Determine NVRAM starting address. */
8516         ha->nvram_size = sizeof(*nv);
8517         ha->vpd_size = FA_NVRAM_VPD_SIZE;
8518         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
8519                 ha->vpd_size = FA_VPD_SIZE_82XX;
8520
8521         if (IS_QLA28XX(ha) || IS_QLA27XX(ha))
8522                 qla28xx_get_aux_images(vha, &active_regions);
8523
8524         /* Get VPD data into cache */
8525         ha->vpd = ha->nvram + VPD_OFFSET;
8526
8527         faddr = ha->flt_region_vpd;
8528         if (IS_QLA28XX(ha)) {
8529                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8530                         faddr = ha->flt_region_vpd_sec;
8531                 ql_dbg(ql_dbg_init, vha, 0x0110,
8532                     "Loading %s nvram image.\n",
8533                     active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8534                     "primary" : "secondary");
8535         }
8536         ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size);
8537
8538         /* Get NVRAM data into cache and calculate checksum. */
8539         faddr = ha->flt_region_nvram;
8540         if (IS_QLA28XX(ha)) {
8541                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8542                         faddr = ha->flt_region_nvram_sec;
8543         }
8544         ql_dbg(ql_dbg_init, vha, 0x0110,
8545             "Loading %s nvram image.\n",
8546             active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8547             "primary" : "secondary");
8548         ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
8549
8550         dptr = (__force __le32 *)nv;
8551         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
8552                 chksum += le32_to_cpu(*dptr);
8553
8554         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
8555             "Contents of NVRAM:\n");
8556         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
8557             nv, ha->nvram_size);
8558
8559         /* Bad NVRAM data, set defaults parameters. */
8560         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
8561             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
8562                 /* Reset NVRAM data. */
8563                 ql_log(ql_log_info, vha, 0x0073,
8564                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
8565                     chksum, nv->id, le16_to_cpu(nv->nvram_version));
8566                 ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv));
8567                 ql_log(ql_log_info, vha, 0x0074,
8568                     "Falling back to functioning (yet invalid -- WWPN) "
8569                     "defaults.\n");
8570
8571                 /*
8572                  * Set default initialization control block.
8573                  */
8574                 memset(nv, 0, ha->nvram_size);
8575                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
8576                 nv->version = cpu_to_le16(ICB_VERSION);
8577                 nv->frame_payload_size = cpu_to_le16(2048);
8578                 nv->execution_throttle = cpu_to_le16(0xFFFF);
8579                 nv->exchange_count = cpu_to_le16(0);
8580                 nv->port_name[0] = 0x21;
8581                 nv->port_name[1] = 0x00 + ha->port_no + 1;
8582                 nv->port_name[2] = 0x00;
8583                 nv->port_name[3] = 0xe0;
8584                 nv->port_name[4] = 0x8b;
8585                 nv->port_name[5] = 0x1c;
8586                 nv->port_name[6] = 0x55;
8587                 nv->port_name[7] = 0x86;
8588                 nv->node_name[0] = 0x20;
8589                 nv->node_name[1] = 0x00;
8590                 nv->node_name[2] = 0x00;
8591                 nv->node_name[3] = 0xe0;
8592                 nv->node_name[4] = 0x8b;
8593                 nv->node_name[5] = 0x1c;
8594                 nv->node_name[6] = 0x55;
8595                 nv->node_name[7] = 0x86;
8596                 nv->login_retry_count = cpu_to_le16(8);
8597                 nv->interrupt_delay_timer = cpu_to_le16(0);
8598                 nv->login_timeout = cpu_to_le16(0);
8599                 nv->firmware_options_1 =
8600                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
8601                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
8602                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
8603                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
8604                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
8605                 nv->efi_parameters = cpu_to_le32(0);
8606                 nv->reset_delay = 5;
8607                 nv->max_luns_per_target = cpu_to_le16(128);
8608                 nv->port_down_retry_count = cpu_to_le16(30);
8609                 nv->link_down_timeout = cpu_to_le16(180);
8610                 nv->enode_mac[0] = 0x00;
8611                 nv->enode_mac[1] = 0xC0;
8612                 nv->enode_mac[2] = 0xDD;
8613                 nv->enode_mac[3] = 0x04;
8614                 nv->enode_mac[4] = 0x05;
8615                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
8616
8617                 rval = 1;
8618         }
8619
8620         if (IS_T10_PI_CAPABLE(ha))
8621                 nv->frame_payload_size &= cpu_to_le16(~7);
8622
8623         qlt_81xx_config_nvram_stage1(vha, nv);
8624
8625         /* Reset Initialization control block */
8626         memset(icb, 0, ha->init_cb_size);
8627
8628         /* Copy 1st segment. */
8629         dptr1 = (uint8_t *)icb;
8630         dptr2 = (uint8_t *)&nv->version;
8631         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
8632         while (cnt--)
8633                 *dptr1++ = *dptr2++;
8634
8635         icb->login_retry_count = nv->login_retry_count;
8636
8637         /* Copy 2nd segment. */
8638         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
8639         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
8640         cnt = (uint8_t *)&icb->reserved_5 -
8641             (uint8_t *)&icb->interrupt_delay_timer;
8642         while (cnt--)
8643                 *dptr1++ = *dptr2++;
8644
8645         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
8646         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
8647         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
8648                 icb->enode_mac[0] = 0x00;
8649                 icb->enode_mac[1] = 0xC0;
8650                 icb->enode_mac[2] = 0xDD;
8651                 icb->enode_mac[3] = 0x04;
8652                 icb->enode_mac[4] = 0x05;
8653                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
8654         }
8655
8656         /* Use extended-initialization control block. */
8657         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
8658         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
8659         /*
8660          * Setup driver NVRAM options.
8661          */
8662         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
8663             "QLE8XXX");
8664
8665         qlt_81xx_config_nvram_stage2(vha, icb);
8666
8667         /* Use alternate WWN? */
8668         if (nv->host_p & cpu_to_le32(BIT_15)) {
8669                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
8670                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
8671         }
8672
8673         /* Prepare nodename */
8674         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
8675                 /*
8676                  * Firmware will apply the following mask if the nodename was
8677                  * not provided.
8678                  */
8679                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
8680                 icb->node_name[0] &= 0xF0;
8681         }
8682
8683         if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
8684                 if ((nv->enhanced_features & BIT_7) == 0)
8685                         ha->flags.scm_supported_a = 1;
8686         }
8687
8688         /* Set host adapter parameters. */
8689         ha->flags.disable_risc_code_load = 0;
8690         ha->flags.enable_lip_reset = 0;
8691         ha->flags.enable_lip_full_login =
8692             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
8693         ha->flags.enable_target_reset =
8694             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
8695         ha->flags.enable_led_scheme = 0;
8696         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
8697
8698         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
8699             (BIT_6 | BIT_5 | BIT_4)) >> 4;
8700
8701         /* save HBA serial number */
8702         ha->serial0 = icb->port_name[5];
8703         ha->serial1 = icb->port_name[6];
8704         ha->serial2 = icb->port_name[7];
8705         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
8706         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
8707
8708         icb->execution_throttle = cpu_to_le16(0xFFFF);
8709
8710         ha->retry_count = le16_to_cpu(nv->login_retry_count);
8711
8712         /* Set minimum login_timeout to 4 seconds. */
8713         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
8714                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
8715         if (le16_to_cpu(nv->login_timeout) < 4)
8716                 nv->login_timeout = cpu_to_le16(4);
8717         ha->login_timeout = le16_to_cpu(nv->login_timeout);
8718
8719         /* Set minimum RATOV to 100 tenths of a second. */
8720         ha->r_a_tov = 100;
8721
8722         ha->loop_reset_delay = nv->reset_delay;
8723
8724         /* Link Down Timeout = 0:
8725          *
8726          *      When Port Down timer expires we will start returning
8727          *      I/O's to OS with "DID_NO_CONNECT".
8728          *
8729          * Link Down Timeout != 0:
8730          *
8731          *       The driver waits for the link to come up after link down
8732          *       before returning I/Os to OS with "DID_NO_CONNECT".
8733          */
8734         if (le16_to_cpu(nv->link_down_timeout) == 0) {
8735                 ha->loop_down_abort_time =
8736                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
8737         } else {
8738                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
8739                 ha->loop_down_abort_time =
8740                     (LOOP_DOWN_TIME - ha->link_down_timeout);
8741         }
8742
8743         /* Need enough time to try and get the port back. */
8744         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8745         if (qlport_down_retry)
8746                 ha->port_down_retry_count = qlport_down_retry;
8747
8748         /* Set login_retry_count */
8749         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8750         if (ha->port_down_retry_count ==
8751             le16_to_cpu(nv->port_down_retry_count) &&
8752             ha->port_down_retry_count > 3)
8753                 ha->login_retry_count = ha->port_down_retry_count;
8754         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8755                 ha->login_retry_count = ha->port_down_retry_count;
8756         if (ql2xloginretrycount)
8757                 ha->login_retry_count = ql2xloginretrycount;
8758
8759         /* if not running MSI-X we need handshaking on interrupts */
8760         if (!vha->hw->flags.msix_enabled &&
8761             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)))
8762                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8763
8764         /* Enable ZIO. */
8765         if (!vha->flags.init_done) {
8766                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8767                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8768                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8769                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
8770         }
8771         icb->firmware_options_2 &= cpu_to_le32(
8772             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8773         vha->flags.process_response_queue = 0;
8774         if (ha->zio_mode != QLA_ZIO_DISABLED) {
8775                 ha->zio_mode = QLA_ZIO_MODE_6;
8776
8777                 ql_log(ql_log_info, vha, 0x0075,
8778                     "ZIO mode %d enabled; timer delay (%d us).\n",
8779                     ha->zio_mode,
8780                     ha->zio_timer * 100);
8781
8782                 icb->firmware_options_2 |= cpu_to_le32(
8783                     (uint32_t)ha->zio_mode);
8784                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8785                 vha->flags.process_response_queue = 1;
8786         }
8787
8788          /* enable RIDA Format2 */
8789         icb->firmware_options_3 |= cpu_to_le32(BIT_0);
8790
8791         /* N2N: driver will initiate Login instead of FW */
8792         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
8793
8794         /* Determine NVMe/FCP priority for target ports */
8795         ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha);
8796
8797         if (rval) {
8798                 ql_log(ql_log_warn, vha, 0x0076,
8799                     "NVRAM configuration failed.\n");
8800         }
8801         return (rval);
8802 }
8803
8804 int
8805 qla82xx_restart_isp(scsi_qla_host_t *vha)
8806 {
8807         int status, rval;
8808         struct qla_hw_data *ha = vha->hw;
8809         struct scsi_qla_host *vp;
8810         unsigned long flags;
8811
8812         status = qla2x00_init_rings(vha);
8813         if (!status) {
8814                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8815                 ha->flags.chip_reset_done = 1;
8816
8817                 status = qla2x00_fw_ready(vha);
8818                 if (!status) {
8819                         /* Issue a marker after FW becomes ready. */
8820                         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8821                         vha->flags.online = 1;
8822                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8823                 }
8824
8825                 /* if no cable then assume it's good */
8826                 if ((vha->device_flags & DFLG_NO_CABLE))
8827                         status = 0;
8828         }
8829
8830         if (!status) {
8831                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8832
8833                 if (!atomic_read(&vha->loop_down_timer)) {
8834                         /*
8835                          * Issue marker command only when we are going
8836                          * to start the I/O .
8837                          */
8838                         vha->marker_needed = 1;
8839                 }
8840
8841                 ha->isp_ops->enable_intrs(ha);
8842
8843                 ha->isp_abort_cnt = 0;
8844                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
8845
8846                 /* Update the firmware version */
8847                 status = qla82xx_check_md_needed(vha);
8848
8849                 if (ha->fce) {
8850                         ha->flags.fce_enabled = 1;
8851                         memset(ha->fce, 0,
8852                             fce_calc_size(ha->fce_bufs));
8853                         rval = qla2x00_enable_fce_trace(vha,
8854                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
8855                             &ha->fce_bufs);
8856                         if (rval) {
8857                                 ql_log(ql_log_warn, vha, 0x8001,
8858                                     "Unable to reinitialize FCE (%d).\n",
8859                                     rval);
8860                                 ha->flags.fce_enabled = 0;
8861                         }
8862                 }
8863
8864                 if (ha->eft) {
8865                         memset(ha->eft, 0, EFT_SIZE);
8866                         rval = qla2x00_enable_eft_trace(vha,
8867                             ha->eft_dma, EFT_NUM_BUFFERS);
8868                         if (rval) {
8869                                 ql_log(ql_log_warn, vha, 0x8010,
8870                                     "Unable to reinitialize EFT (%d).\n",
8871                                     rval);
8872                         }
8873                 }
8874         }
8875
8876         if (!status) {
8877                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
8878                     "qla82xx_restart_isp succeeded.\n");
8879
8880                 spin_lock_irqsave(&ha->vport_slock, flags);
8881                 list_for_each_entry(vp, &ha->vp_list, list) {
8882                         if (vp->vp_idx) {
8883                                 atomic_inc(&vp->vref_count);
8884                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8885
8886                                 qla2x00_vp_abort_isp(vp);
8887
8888                                 spin_lock_irqsave(&ha->vport_slock, flags);
8889                                 atomic_dec(&vp->vref_count);
8890                         }
8891                 }
8892                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8893
8894         } else {
8895                 ql_log(ql_log_warn, vha, 0x8016,
8896                     "qla82xx_restart_isp **** FAILED ****.\n");
8897         }
8898
8899         return status;
8900 }
8901
8902 /*
8903  * qla24xx_get_fcp_prio
8904  *      Gets the fcp cmd priority value for the logged in port.
8905  *      Looks for a match of the port descriptors within
8906  *      each of the fcp prio config entries. If a match is found,
8907  *      the tag (priority) value is returned.
8908  *
8909  * Input:
8910  *      vha = scsi host structure pointer.
8911  *      fcport = port structure pointer.
8912  *
8913  * Return:
8914  *      non-zero (if found)
8915  *      -1 (if not found)
8916  *
8917  * Context:
8918  *      Kernel context
8919  */
8920 static int
8921 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8922 {
8923         int i, entries;
8924         uint8_t pid_match, wwn_match;
8925         int priority;
8926         uint32_t pid1, pid2;
8927         uint64_t wwn1, wwn2;
8928         struct qla_fcp_prio_entry *pri_entry;
8929         struct qla_hw_data *ha = vha->hw;
8930
8931         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
8932                 return -1;
8933
8934         priority = -1;
8935         entries = ha->fcp_prio_cfg->num_entries;
8936         pri_entry = &ha->fcp_prio_cfg->entry[0];
8937
8938         for (i = 0; i < entries; i++) {
8939                 pid_match = wwn_match = 0;
8940
8941                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
8942                         pri_entry++;
8943                         continue;
8944                 }
8945
8946                 /* check source pid for a match */
8947                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
8948                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
8949                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
8950                         if (pid1 == INVALID_PORT_ID)
8951                                 pid_match++;
8952                         else if (pid1 == pid2)
8953                                 pid_match++;
8954                 }
8955
8956                 /* check destination pid for a match */
8957                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
8958                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
8959                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
8960                         if (pid1 == INVALID_PORT_ID)
8961                                 pid_match++;
8962                         else if (pid1 == pid2)
8963                                 pid_match++;
8964                 }
8965
8966                 /* check source WWN for a match */
8967                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
8968                         wwn1 = wwn_to_u64(vha->port_name);
8969                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
8970                         if (wwn2 == (uint64_t)-1)
8971                                 wwn_match++;
8972                         else if (wwn1 == wwn2)
8973                                 wwn_match++;
8974                 }
8975
8976                 /* check destination WWN for a match */
8977                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
8978                         wwn1 = wwn_to_u64(fcport->port_name);
8979                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
8980                         if (wwn2 == (uint64_t)-1)
8981                                 wwn_match++;
8982                         else if (wwn1 == wwn2)
8983                                 wwn_match++;
8984                 }
8985
8986                 if (pid_match == 2 || wwn_match == 2) {
8987                         /* Found a matching entry */
8988                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
8989                                 priority = pri_entry->tag;
8990                         break;
8991                 }
8992
8993                 pri_entry++;
8994         }
8995
8996         return priority;
8997 }
8998
8999 /*
9000  * qla24xx_update_fcport_fcp_prio
9001  *      Activates fcp priority for the logged in fc port
9002  *
9003  * Input:
9004  *      vha = scsi host structure pointer.
9005  *      fcp = port structure pointer.
9006  *
9007  * Return:
9008  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
9009  *
9010  * Context:
9011  *      Kernel context.
9012  */
9013 int
9014 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
9015 {
9016         int ret;
9017         int priority;
9018         uint16_t mb[5];
9019
9020         if (fcport->port_type != FCT_TARGET ||
9021             fcport->loop_id == FC_NO_LOOP_ID)
9022                 return QLA_FUNCTION_FAILED;
9023
9024         priority = qla24xx_get_fcp_prio(vha, fcport);
9025         if (priority < 0)
9026                 return QLA_FUNCTION_FAILED;
9027
9028         if (IS_P3P_TYPE(vha->hw)) {
9029                 fcport->fcp_prio = priority & 0xf;
9030                 return QLA_SUCCESS;
9031         }
9032
9033         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
9034         if (ret == QLA_SUCCESS) {
9035                 if (fcport->fcp_prio != priority)
9036                         ql_dbg(ql_dbg_user, vha, 0x709e,
9037                             "Updated FCP_CMND priority - value=%d loop_id=%d "
9038                             "port_id=%02x%02x%02x.\n", priority,
9039                             fcport->loop_id, fcport->d_id.b.domain,
9040                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
9041                 fcport->fcp_prio = priority & 0xf;
9042         } else
9043                 ql_dbg(ql_dbg_user, vha, 0x704f,
9044                     "Unable to update FCP_CMND priority - ret=0x%x for "
9045                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
9046                     fcport->d_id.b.domain, fcport->d_id.b.area,
9047                     fcport->d_id.b.al_pa);
9048         return  ret;
9049 }
9050
9051 /*
9052  * qla24xx_update_all_fcp_prio
9053  *      Activates fcp priority for all the logged in ports
9054  *
9055  * Input:
9056  *      ha = adapter block pointer.
9057  *
9058  * Return:
9059  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
9060  *
9061  * Context:
9062  *      Kernel context.
9063  */
9064 int
9065 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
9066 {
9067         int ret;
9068         fc_port_t *fcport;
9069
9070         ret = QLA_FUNCTION_FAILED;
9071         /* We need to set priority for all logged in ports */
9072         list_for_each_entry(fcport, &vha->vp_fcports, list)
9073                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
9074
9075         return ret;
9076 }
9077
9078 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
9079         int vp_idx, bool startqp)
9080 {
9081         int rsp_id = 0;
9082         int  req_id = 0;
9083         int i;
9084         struct qla_hw_data *ha = vha->hw;
9085         uint16_t qpair_id = 0;
9086         struct qla_qpair *qpair = NULL;
9087         struct qla_msix_entry *msix;
9088
9089         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
9090                 ql_log(ql_log_warn, vha, 0x00181,
9091                     "FW/Driver is not multi-queue capable.\n");
9092                 return NULL;
9093         }
9094
9095         if (ql2xmqsupport || ql2xnvmeenable) {
9096                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
9097                 if (qpair == NULL) {
9098                         ql_log(ql_log_warn, vha, 0x0182,
9099                             "Failed to allocate memory for queue pair.\n");
9100                         return NULL;
9101                 }
9102
9103                 qpair->hw = vha->hw;
9104                 qpair->vha = vha;
9105                 qpair->qp_lock_ptr = &qpair->qp_lock;
9106                 spin_lock_init(&qpair->qp_lock);
9107                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
9108
9109                 /* Assign available que pair id */
9110                 mutex_lock(&ha->mq_lock);
9111                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
9112                 if (ha->num_qpairs >= ha->max_qpairs) {
9113                         mutex_unlock(&ha->mq_lock);
9114                         ql_log(ql_log_warn, vha, 0x0183,
9115                             "No resources to create additional q pair.\n");
9116                         goto fail_qid_map;
9117                 }
9118                 ha->num_qpairs++;
9119                 set_bit(qpair_id, ha->qpair_qid_map);
9120                 ha->queue_pair_map[qpair_id] = qpair;
9121                 qpair->id = qpair_id;
9122                 qpair->vp_idx = vp_idx;
9123                 qpair->fw_started = ha->flags.fw_started;
9124                 INIT_LIST_HEAD(&qpair->hints_list);
9125                 qpair->chip_reset = ha->base_qpair->chip_reset;
9126                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
9127                 qpair->enable_explicit_conf =
9128                     ha->base_qpair->enable_explicit_conf;
9129
9130                 for (i = 0; i < ha->msix_count; i++) {
9131                         msix = &ha->msix_entries[i];
9132                         if (msix->in_use)
9133                                 continue;
9134                         qpair->msix = msix;
9135                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
9136                             "Vector %x selected for qpair\n", msix->vector);
9137                         break;
9138                 }
9139                 if (!qpair->msix) {
9140                         ql_log(ql_log_warn, vha, 0x0184,
9141                             "Out of MSI-X vectors!.\n");
9142                         goto fail_msix;
9143                 }
9144
9145                 qpair->msix->in_use = 1;
9146                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
9147                 qpair->pdev = ha->pdev;
9148                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
9149                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
9150
9151                 mutex_unlock(&ha->mq_lock);
9152
9153                 /* Create response queue first */
9154                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
9155                 if (!rsp_id) {
9156                         ql_log(ql_log_warn, vha, 0x0185,
9157                             "Failed to create response queue.\n");
9158                         goto fail_rsp;
9159                 }
9160
9161                 qpair->rsp = ha->rsp_q_map[rsp_id];
9162
9163                 /* Create request queue */
9164                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
9165                     startqp);
9166                 if (!req_id) {
9167                         ql_log(ql_log_warn, vha, 0x0186,
9168                             "Failed to create request queue.\n");
9169                         goto fail_req;
9170                 }
9171
9172                 qpair->req = ha->req_q_map[req_id];
9173                 qpair->rsp->req = qpair->req;
9174                 qpair->rsp->qpair = qpair;
9175                 /* init qpair to this cpu. Will adjust at run time. */
9176                 qla_cpu_update(qpair, smp_processor_id());
9177
9178                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
9179                         if (ha->fw_attributes & BIT_4)
9180                                 qpair->difdix_supported = 1;
9181                 }
9182
9183                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
9184                 if (!qpair->srb_mempool) {
9185                         ql_log(ql_log_warn, vha, 0xd036,
9186                             "Failed to create srb mempool for qpair %d\n",
9187                             qpair->id);
9188                         goto fail_mempool;
9189                 }
9190
9191                 /* Mark as online */
9192                 qpair->online = 1;
9193
9194                 if (!vha->flags.qpairs_available)
9195                         vha->flags.qpairs_available = 1;
9196
9197                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
9198                     "Request/Response queue pair created, id %d\n",
9199                     qpair->id);
9200                 ql_dbg(ql_dbg_init, vha, 0x0187,
9201                     "Request/Response queue pair created, id %d\n",
9202                     qpair->id);
9203         }
9204         return qpair;
9205
9206 fail_mempool:
9207 fail_req:
9208         qla25xx_delete_rsp_que(vha, qpair->rsp);
9209 fail_rsp:
9210         mutex_lock(&ha->mq_lock);
9211         qpair->msix->in_use = 0;
9212         list_del(&qpair->qp_list_elem);
9213         if (list_empty(&vha->qp_list))
9214                 vha->flags.qpairs_available = 0;
9215 fail_msix:
9216         ha->queue_pair_map[qpair_id] = NULL;
9217         clear_bit(qpair_id, ha->qpair_qid_map);
9218         ha->num_qpairs--;
9219         mutex_unlock(&ha->mq_lock);
9220 fail_qid_map:
9221         kfree(qpair);
9222         return NULL;
9223 }
9224
9225 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
9226 {
9227         int ret = QLA_FUNCTION_FAILED;
9228         struct qla_hw_data *ha = qpair->hw;
9229
9230         qpair->delete_in_progress = 1;
9231
9232         ret = qla25xx_delete_req_que(vha, qpair->req);
9233         if (ret != QLA_SUCCESS)
9234                 goto fail;
9235
9236         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
9237         if (ret != QLA_SUCCESS)
9238                 goto fail;
9239
9240         mutex_lock(&ha->mq_lock);
9241         ha->queue_pair_map[qpair->id] = NULL;
9242         clear_bit(qpair->id, ha->qpair_qid_map);
9243         ha->num_qpairs--;
9244         list_del(&qpair->qp_list_elem);
9245         if (list_empty(&vha->qp_list)) {
9246                 vha->flags.qpairs_available = 0;
9247                 vha->flags.qpairs_req_created = 0;
9248                 vha->flags.qpairs_rsp_created = 0;
9249         }
9250         mempool_destroy(qpair->srb_mempool);
9251         kfree(qpair);
9252         mutex_unlock(&ha->mq_lock);
9253
9254         return QLA_SUCCESS;
9255 fail:
9256         return ret;
9257 }
9258
9259 uint64_t
9260 qla2x00_count_set_bits(uint32_t num)
9261 {
9262         /* Brian Kernighan's Algorithm */
9263         u64 count = 0;
9264
9265         while (num) {
9266                 num &= (num - 1);
9267                 count++;
9268         }
9269         return count;
9270 }
9271
9272 uint64_t
9273 qla2x00_get_num_tgts(scsi_qla_host_t *vha)
9274 {
9275         fc_port_t *f, *tf;
9276         u64 count = 0;
9277
9278         f = NULL;
9279         tf = NULL;
9280
9281         list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
9282                 if (f->port_type != FCT_TARGET)
9283                         continue;
9284                 count++;
9285         }
9286         return count;
9287 }
9288
9289 int qla2xxx_reset_stats(struct Scsi_Host *host, u32 flags)
9290 {
9291         scsi_qla_host_t *vha = shost_priv(host);
9292         fc_port_t *fcport = NULL;
9293         unsigned long int_flags;
9294
9295         if (flags & QLA2XX_HW_ERROR)
9296                 vha->hw_err_cnt = 0;
9297         if (flags & QLA2XX_SHT_LNK_DWN)
9298                 vha->short_link_down_cnt = 0;
9299         if (flags & QLA2XX_INT_ERR)
9300                 vha->interface_err_cnt = 0;
9301         if (flags & QLA2XX_CMD_TIMEOUT)
9302                 vha->cmd_timeout_cnt = 0;
9303         if (flags & QLA2XX_RESET_CMD_ERR)
9304                 vha->reset_cmd_err_cnt = 0;
9305         if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
9306                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
9307                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
9308                         fcport->tgt_short_link_down_cnt = 0;
9309                         fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
9310                 }
9311                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
9312         }
9313         vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
9314         return 0;
9315 }
9316
9317 int qla2xxx_start_stats(struct Scsi_Host *host, u32 flags)
9318 {
9319         return qla2xxx_reset_stats(host, flags);
9320 }
9321
9322 int qla2xxx_stop_stats(struct Scsi_Host *host, u32 flags)
9323 {
9324         return qla2xxx_reset_stats(host, flags);
9325 }
9326
9327 int qla2xxx_get_ini_stats(struct Scsi_Host *host, u32 flags,
9328                           void *data, u64 size)
9329 {
9330         scsi_qla_host_t *vha = shost_priv(host);
9331         struct ql_vnd_host_stats_resp *resp = (struct ql_vnd_host_stats_resp *)data;
9332         struct ql_vnd_stats *rsp_data = &resp->stats;
9333         u64 ini_entry_count = 0;
9334         u64 i = 0;
9335         u64 entry_count = 0;
9336         u64 num_tgt = 0;
9337         u32 tmp_stat_type = 0;
9338         fc_port_t *fcport = NULL;
9339         unsigned long int_flags;
9340
9341         /* Copy stat type to work on it */
9342         tmp_stat_type = flags;
9343
9344         if (tmp_stat_type & BIT_17) {
9345                 num_tgt = qla2x00_get_num_tgts(vha);
9346                 /* unset BIT_17 */
9347                 tmp_stat_type &= ~(1 << 17);
9348         }
9349         ini_entry_count = qla2x00_count_set_bits(tmp_stat_type);
9350
9351         entry_count = ini_entry_count + num_tgt;
9352
9353         rsp_data->entry_count = entry_count;
9354
9355         i = 0;
9356         if (flags & QLA2XX_HW_ERROR) {
9357                 rsp_data->entry[i].stat_type = QLA2XX_HW_ERROR;
9358                 rsp_data->entry[i].tgt_num = 0x0;
9359                 rsp_data->entry[i].cnt = vha->hw_err_cnt;
9360                 i++;
9361         }
9362
9363         if (flags & QLA2XX_SHT_LNK_DWN) {
9364                 rsp_data->entry[i].stat_type = QLA2XX_SHT_LNK_DWN;
9365                 rsp_data->entry[i].tgt_num = 0x0;
9366                 rsp_data->entry[i].cnt = vha->short_link_down_cnt;
9367                 i++;
9368         }
9369
9370         if (flags & QLA2XX_INT_ERR) {
9371                 rsp_data->entry[i].stat_type = QLA2XX_INT_ERR;
9372                 rsp_data->entry[i].tgt_num = 0x0;
9373                 rsp_data->entry[i].cnt = vha->interface_err_cnt;
9374                 i++;
9375         }
9376
9377         if (flags & QLA2XX_CMD_TIMEOUT) {
9378                 rsp_data->entry[i].stat_type = QLA2XX_CMD_TIMEOUT;
9379                 rsp_data->entry[i].tgt_num = 0x0;
9380                 rsp_data->entry[i].cnt = vha->cmd_timeout_cnt;
9381                 i++;
9382         }
9383
9384         if (flags & QLA2XX_RESET_CMD_ERR) {
9385                 rsp_data->entry[i].stat_type = QLA2XX_RESET_CMD_ERR;
9386                 rsp_data->entry[i].tgt_num = 0x0;
9387                 rsp_data->entry[i].cnt = vha->reset_cmd_err_cnt;
9388                 i++;
9389         }
9390
9391         /* i will continue from previous loop, as target
9392          * entries are after initiator
9393          */
9394         if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
9395                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
9396                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
9397                         if (fcport->port_type != FCT_TARGET)
9398                                 continue;
9399                         if (!fcport->rport)
9400                                 continue;
9401                         rsp_data->entry[i].stat_type = QLA2XX_TGT_SHT_LNK_DOWN;
9402                         rsp_data->entry[i].tgt_num = fcport->rport->number;
9403                         rsp_data->entry[i].cnt = fcport->tgt_short_link_down_cnt;
9404                         i++;
9405                 }
9406                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
9407         }
9408         resp->status = EXT_STATUS_OK;
9409
9410         return 0;
9411 }
9412
9413 int qla2xxx_get_tgt_stats(struct Scsi_Host *host, u32 flags,
9414                           struct fc_rport *rport, void *data, u64 size)
9415 {
9416         struct ql_vnd_tgt_stats_resp *tgt_data = data;
9417         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
9418
9419         tgt_data->status = 0;
9420         tgt_data->stats.entry_count = 1;
9421         tgt_data->stats.entry[0].stat_type = flags;
9422         tgt_data->stats.entry[0].tgt_num = rport->number;
9423         tgt_data->stats.entry[0].cnt = fcport->tgt_short_link_down_cnt;
9424
9425         return 0;
9426 }
9427
9428 int qla2xxx_disable_port(struct Scsi_Host *host)
9429 {
9430         scsi_qla_host_t *vha = shost_priv(host);
9431
9432         vha->hw->flags.port_isolated = 1;
9433
9434         if (qla2x00_chip_is_down(vha))
9435                 return 0;
9436
9437         if (vha->flags.online) {
9438                 qla2x00_abort_isp_cleanup(vha);
9439                 qla2x00_wait_for_sess_deletion(vha);
9440         }
9441
9442         return 0;
9443 }
9444
9445 int qla2xxx_enable_port(struct Scsi_Host *host)
9446 {
9447         scsi_qla_host_t *vha = shost_priv(host);
9448
9449         vha->hw->flags.port_isolated = 0;
9450         /* Set the flag to 1, so that isp_abort can proceed */
9451         vha->flags.online = 1;
9452         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9453         qla2xxx_wake_dpc(vha);
9454
9455         return 0;
9456 }