drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2014 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #include "qla_gbl.h"
   9
  10 #include <linux/delay.h>
  11 #include <linux/slab.h>
  12 #include <linux/vmalloc.h>
  13
  14 #include "qla_devtbl.h"
  15
  16 #ifdef CONFIG_SPARC
  17 #include <asm/prom.h>
  18 #endif
  19
  20 #include <target/target_core_base.h>
  21 #include "qla_target.h"
  22
  23 /*
  24 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  25 */
  26 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  27 static int qla2x00_setup_chip(scsi_qla_host_t *);
  28 static int qla2x00_fw_ready(scsi_qla_host_t *);
  29 static int qla2x00_configure_hba(scsi_qla_host_t *);
  30 static int qla2x00_configure_loop(scsi_qla_host_t *);
  31 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  32 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  33 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *);
  34 static int qla2x00_restart_isp(scsi_qla_host_t *);
  35
  36 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  37 static int qla84xx_init_chip(scsi_qla_host_t *);
  38 static int qla25xx_init_queues(struct qla_hw_data *);
  39 static int qla24xx_post_prli_work(struct scsi_qla_host*, fc_port_t *);
  40 static void qla24xx_handle_plogi_done_event(struct scsi_qla_host *,
  41     struct event_arg *);
  42 static void qla24xx_handle_prli_done_event(struct scsi_qla_host *,
  43     struct event_arg *);
  44 static void __qla24xx_handle_gpdb_event(scsi_qla_host_t *, struct event_arg *);
  45
  46 /* SRB Extensions ---------------------------------------------------------- */
  47
  48 void
  49 qla2x00_sp_timeout(struct timer_list *t)
  50 {
  51         srb_t *sp = from_timer(sp, t, u.iocb_cmd.timer);
  52         struct srb_iocb *iocb;
  53         scsi_qla_host_t *vha = sp->vha;
  54         struct req_que *req;
  55         unsigned long flags;
  56
  57         spin_lock_irqsave(&vha->hw->hardware_lock, flags);
  58         req = vha->hw->req_q_map[0];
  59         req->outstanding_cmds[sp->handle] = NULL;
  60         iocb = &sp->u.iocb_cmd;
  61         iocb->timeout(sp);
  62         spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
  63 }
  64
  65 void
  66 qla2x00_sp_free(void *ptr)
  67 {
  68         srb_t *sp = ptr;
  69         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  70
  71         del_timer(&iocb->timer);
  72         qla2x00_rel_sp(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 void
  98 qla2x00_async_iocb_timeout(void *data)
  99 {
 100         srb_t *sp = data;
 101         fc_port_t *fcport = sp->fcport;
 102         struct srb_iocb *lio = &sp->u.iocb_cmd;
 103
 104         if (fcport) {
 105                 ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 106                     "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
 107                     sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
 108
 109                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 110         } else {
 111                 pr_info("Async-%s timeout - hdl=%x.\n",
 112                     sp->name, sp->handle);
 113         }
 114
 115         switch (sp->type) {
 116         case SRB_LOGIN_CMD:
 117                 /* Retry as needed. */
 118                 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 119                 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 120                         QLA_LOGIO_LOGIN_RETRIED : 0;
 121                 sp->done(sp, QLA_FUNCTION_TIMEOUT);
 122                 break;
 123         case SRB_LOGOUT_CMD:
 124         case SRB_CT_PTHRU_CMD:
 125         case SRB_MB_IOCB:
 126         case SRB_NACK_PLOGI:
 127         case SRB_NACK_PRLI:
 128         case SRB_NACK_LOGO:
 129         case SRB_CTRL_VP:
 130                 sp->done(sp, QLA_FUNCTION_TIMEOUT);
 131                 break;
 132         }
 133 }
 134
 135 static void
 136 qla2x00_async_login_sp_done(void *ptr, int res)
 137 {
 138         srb_t *sp = ptr;
 139         struct scsi_qla_host *vha = sp->vha;
 140         struct srb_iocb *lio = &sp->u.iocb_cmd;
 141         struct event_arg ea;
 142
 143         ql_dbg(ql_dbg_disc, vha, 0x20dd,
 144             "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
 145
 146         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 147
 148         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 149                 memset(&ea, 0, sizeof(ea));
 150                 ea.event = FCME_PLOGI_DONE;
 151                 ea.fcport = sp->fcport;
 152                 ea.data[0] = lio->u.logio.data[0];
 153                 ea.data[1] = lio->u.logio.data[1];
 154                 ea.iop[0] = lio->u.logio.iop[0];
 155                 ea.iop[1] = lio->u.logio.iop[1];
 156                 ea.sp = sp;
 157                 qla2x00_fcport_event_handler(vha, &ea);
 158         }
 159
 160         sp->free(sp);
 161 }
 162
 163 int
 164 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 165     uint16_t *data)
 166 {
 167         srb_t *sp;
 168         struct srb_iocb *lio;
 169         int rval = QLA_FUNCTION_FAILED;
 170
 171         if (!vha->flags.online)
 172                 goto done;
 173
 174         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 175         if (!sp)
 176                 goto done;
 177
 178         fcport->flags |= FCF_ASYNC_SENT;
 179         fcport->logout_completed = 0;
 180
 181         fcport->disc_state = DSC_LOGIN_PEND;
 182         sp->type = SRB_LOGIN_CMD;
 183         sp->name = "login";
 184         sp->gen1 = fcport->rscn_gen;
 185         sp->gen2 = fcport->login_gen;
 186
 187         lio = &sp->u.iocb_cmd;
 188         lio->timeout = qla2x00_async_iocb_timeout;
 189         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 190
 191         sp->done = qla2x00_async_login_sp_done;
 192         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 193
 194         if (fcport->fc4f_nvme)
 195                 lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
 196
 197         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 198                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 199         rval = qla2x00_start_sp(sp);
 200         if (rval != QLA_SUCCESS) {
 201                 fcport->flags |= FCF_LOGIN_NEEDED;
 202                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 203                 goto done_free_sp;
 204         }
 205
 206         ql_dbg(ql_dbg_disc, vha, 0x2072,
 207             "Async-login - %8phC hdl=%x, loopid=%x portid=%02x%02x%02x "
 208                 "retries=%d.\n", fcport->port_name, sp->handle, fcport->loop_id,
 209             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 210             fcport->login_retry);
 211         return rval;
 212
 213 done_free_sp:
 214         sp->free(sp);
 215         fcport->flags &= ~FCF_ASYNC_SENT;
 216 done:
 217         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 218         return rval;
 219 }
 220
 221 static void
 222 qla2x00_async_logout_sp_done(void *ptr, int res)
 223 {
 224         srb_t *sp = ptr;
 225
 226         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 227         sp->fcport->login_gen++;
 228         qlt_logo_completion_handler(sp->fcport, res);
 229         sp->free(sp);
 230 }
 231
 232 int
 233 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 234 {
 235         srb_t *sp;
 236         struct srb_iocb *lio;
 237         int rval = QLA_FUNCTION_FAILED;
 238
 239         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 240                 return rval;
 241
 242         fcport->flags |= FCF_ASYNC_SENT;
 243         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 244         if (!sp)
 245                 goto done;
 246
 247         sp->type = SRB_LOGOUT_CMD;
 248         sp->name = "logout";
 249
 250         lio = &sp->u.iocb_cmd;
 251         lio->timeout = qla2x00_async_iocb_timeout;
 252         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 253
 254         sp->done = qla2x00_async_logout_sp_done;
 255         rval = qla2x00_start_sp(sp);
 256         if (rval != QLA_SUCCESS)
 257                 goto done_free_sp;
 258
 259         ql_dbg(ql_dbg_disc, vha, 0x2070,
 260             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC.\n",
 261             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 262                 fcport->d_id.b.area, fcport->d_id.b.al_pa,
 263                 fcport->port_name);
 264         return rval;
 265
 266 done_free_sp:
 267         sp->free(sp);
 268 done:
 269         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 270         return rval;
 271 }
 272
 273 void
 274 qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 275     uint16_t *data)
 276 {
 277         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 278         /* Don't re-login in target mode */
 279         if (!fcport->tgt_session)
 280                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 281         qlt_logo_completion_handler(fcport, data[0]);
 282 }
 283
 284 static void
 285 qla2x00_async_prlo_sp_done(void *s, int res)
 286 {
 287         srb_t *sp = (srb_t *)s;
 288         struct srb_iocb *lio = &sp->u.iocb_cmd;
 289         struct scsi_qla_host *vha = sp->vha;
 290
 291         sp->fcport->flags &= ~FCF_ASYNC_ACTIVE;
 292         if (!test_bit(UNLOADING, &vha->dpc_flags))
 293                 qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport,
 294                     lio->u.logio.data);
 295         sp->free(sp);
 296 }
 297
 298 int
 299 qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport)
 300 {
 301         srb_t *sp;
 302         struct srb_iocb *lio;
 303         int rval;
 304
 305         rval = QLA_FUNCTION_FAILED;
 306         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 307         if (!sp)
 308                 goto done;
 309
 310         sp->type = SRB_PRLO_CMD;
 311         sp->name = "prlo";
 312
 313         lio = &sp->u.iocb_cmd;
 314         lio->timeout = qla2x00_async_iocb_timeout;
 315         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 316
 317         sp->done = qla2x00_async_prlo_sp_done;
 318         rval = qla2x00_start_sp(sp);
 319         if (rval != QLA_SUCCESS)
 320                 goto done_free_sp;
 321
 322         ql_dbg(ql_dbg_disc, vha, 0x2070,
 323             "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 324             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 325             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 326         return rval;
 327
 328 done_free_sp:
 329         sp->free(sp);
 330 done:
 331         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 332         return rval;
 333 }
 334
 335 static
 336 void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
 337 {
 338         struct fc_port *fcport = ea->fcport;
 339
 340         ql_dbg(ql_dbg_disc, vha, 0x20d2,
 341             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
 342             __func__, fcport->port_name, fcport->disc_state,
 343             fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
 344             fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
 345
 346         if (ea->data[0] != MBS_COMMAND_COMPLETE) {
 347                 ql_dbg(ql_dbg_disc, vha, 0x2066,
 348                     "%s %8phC: adisc fail: post delete\n",
 349                     __func__, ea->fcport->port_name);
 350                 qlt_schedule_sess_for_deletion(ea->fcport);
 351                 return;
 352         }
 353
 354         if (ea->fcport->disc_state == DSC_DELETE_PEND)
 355                 return;
 356
 357         if (ea->sp->gen2 != ea->fcport->login_gen) {
 358                 /* target side must have changed it. */
 359                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
 360                     "%s %8phC generation changed\n",
 361                     __func__, ea->fcport->port_name);
 362                 return;
 363         } else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
 364                 ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
 365                     __func__, __LINE__, ea->fcport->port_name);
 366                 qla24xx_post_gidpn_work(vha, ea->fcport);
 367                 return;
 368         }
 369
 370         __qla24xx_handle_gpdb_event(vha, ea);
 371 }
 372
 373 static void
 374 qla2x00_async_adisc_sp_done(void *ptr, int res)
 375 {
 376         srb_t *sp = ptr;
 377         struct scsi_qla_host *vha = sp->vha;
 378         struct event_arg ea;
 379         struct srb_iocb *lio = &sp->u.iocb_cmd;
 380
 381         ql_dbg(ql_dbg_disc, vha, 0x2066,
 382             "Async done-%s res %x %8phC\n",
 383             sp->name, res, sp->fcport->port_name);
 384
 385         sp->fcport->flags &= ~FCF_ASYNC_SENT;
 386
 387         memset(&ea, 0, sizeof(ea));
 388         ea.event = FCME_ADISC_DONE;
 389         ea.rc = res;
 390         ea.data[0] = lio->u.logio.data[0];
 391         ea.data[1] = lio->u.logio.data[1];
 392         ea.iop[0] = lio->u.logio.iop[0];
 393         ea.iop[1] = lio->u.logio.iop[1];
 394         ea.fcport = sp->fcport;
 395         ea.sp = sp;
 396
 397         qla2x00_fcport_event_handler(vha, &ea);
 398
 399         sp->free(sp);
 400 }
 401
 402 int
 403 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 404     uint16_t *data)
 405 {
 406         srb_t *sp;
 407         struct srb_iocb *lio;
 408         int rval;
 409
 410         rval = QLA_FUNCTION_FAILED;
 411         fcport->flags |= FCF_ASYNC_SENT;
 412         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 413         if (!sp)
 414                 goto done;
 415
 416         sp->type = SRB_ADISC_CMD;
 417         sp->name = "adisc";
 418
 419         lio = &sp->u.iocb_cmd;
 420         lio->timeout = qla2x00_async_iocb_timeout;
 421         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 422
 423         sp->done = qla2x00_async_adisc_sp_done;
 424         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 425                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 426         rval = qla2x00_start_sp(sp);
 427         if (rval != QLA_SUCCESS)
 428                 goto done_free_sp;
 429
 430         ql_dbg(ql_dbg_disc, vha, 0x206f,
 431             "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n",
 432             sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name);
 433         return rval;
 434
 435 done_free_sp:
 436         sp->free(sp);
 437 done:
 438         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 439         qla2x00_post_async_adisc_work(vha, fcport, data);
 440         return rval;
 441 }
 442
 443 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
 444         struct event_arg *ea)
 445 {
 446         fc_port_t *fcport, *conflict_fcport;
 447         struct get_name_list_extended *e;
 448         u16 i, n, found = 0, loop_id;
 449         port_id_t id;
 450         u64 wwn;
 451         u16 data[2];
 452         u8 current_login_state;
 453
 454         fcport = ea->fcport;
 455         ql_dbg(ql_dbg_disc, vha, 0xffff,
 456             "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d\n",
 457             __func__, fcport->port_name, fcport->disc_state,
 458             fcport->fw_login_state, ea->rc,
 459             fcport->login_gen, fcport->last_login_gen,
 460             fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id);
 461
 462         if (fcport->disc_state == DSC_DELETE_PEND)
 463                 return;
 464
 465         if (ea->rc) { /* rval */
 466                 if (fcport->login_retry == 0) {
 467                         fcport->login_retry = vha->hw->login_retry_count;
 468                         ql_dbg(ql_dbg_disc, vha, 0x20de,
 469                             "GNL failed Port login retry %8phN, retry cnt=%d.\n",
 470                             fcport->port_name, fcport->login_retry);
 471                 }
 472                 return;
 473         }
 474
 475         if (fcport->last_rscn_gen != fcport->rscn_gen) {
 476                 ql_dbg(ql_dbg_disc, vha, 0x20df,
 477                     "%s %8phC rscn gen changed rscn %d|%d \n",
 478                     __func__, fcport->port_name,
 479                     fcport->last_rscn_gen, fcport->rscn_gen);
 480                 qla24xx_post_gidpn_work(vha, fcport);
 481                 return;
 482         } else if (fcport->last_login_gen != fcport->login_gen) {
 483                 ql_dbg(ql_dbg_disc, vha, 0x20e0,
 484                     "%s %8phC login gen changed\n",
 485                     __func__, fcport->port_name);
 486                 return;
 487         }
 488
 489         n = ea->data[0] / sizeof(struct get_name_list_extended);
 490
 491         ql_dbg(ql_dbg_disc, vha, 0x20e1,
 492             "%s %d %8phC n %d %02x%02x%02x lid %d \n",
 493             __func__, __LINE__, fcport->port_name, n,
 494             fcport->d_id.b.domain, fcport->d_id.b.area,
 495             fcport->d_id.b.al_pa, fcport->loop_id);
 496
 497         for (i = 0; i < n; i++) {
 498                 e = &vha->gnl.l[i];
 499                 wwn = wwn_to_u64(e->port_name);
 500
 501                 if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
 502                         continue;
 503
 504                 found = 1;
 505                 id.b.domain = e->port_id[2];
 506                 id.b.area = e->port_id[1];
 507                 id.b.al_pa = e->port_id[0];
 508                 id.b.rsvd_1 = 0;
 509
 510                 loop_id = le16_to_cpu(e->nport_handle);
 511                 loop_id = (loop_id & 0x7fff);
 512
 513                 ql_dbg(ql_dbg_disc, vha, 0x20e2,
 514                     "%s found %8phC CLS [%d|%d] ID[%02x%02x%02x|%02x%02x%02x] lid[%d|%d]\n",
 515                     __func__, fcport->port_name,
 516                     e->current_login_state, fcport->fw_login_state,
 517                     id.b.domain, id.b.area, id.b.al_pa,
 518                     fcport->d_id.b.domain, fcport->d_id.b.area,
 519                     fcport->d_id.b.al_pa, loop_id, fcport->loop_id);
 520
 521                 if ((id.b24 != fcport->d_id.b24) ||
 522                     ((fcport->loop_id != FC_NO_LOOP_ID) &&
 523                         (fcport->loop_id != loop_id))) {
 524                         ql_dbg(ql_dbg_disc, vha, 0x20e3,
 525                             "%s %d %8phC post del sess\n",
 526                             __func__, __LINE__, fcport->port_name);
 527                         qlt_schedule_sess_for_deletion(fcport);
 528                         return;
 529                 }
 530
 531                 fcport->loop_id = loop_id;
 532
 533                 wwn = wwn_to_u64(fcport->port_name);
 534                 qlt_find_sess_invalidate_other(vha, wwn,
 535                         id, loop_id, &conflict_fcport);
 536
 537                 if (conflict_fcport) {
 538                         /*
 539                          * Another share fcport share the same loop_id &
 540                          * nport id. Conflict fcport needs to finish
 541                          * cleanup before this fcport can proceed to login.
 542                          */
 543                         conflict_fcport->conflict = fcport;
 544                         fcport->login_pause = 1;
 545                 }
 546
 547                 if  (fcport->fc4f_nvme)
 548                         current_login_state = e->current_login_state >> 4;
 549                 else
 550                         current_login_state = e->current_login_state & 0xf;
 551
 552                 switch (current_login_state) {
 553                 case DSC_LS_PRLI_COMP:
 554                         ql_dbg(ql_dbg_disc, vha, 0x20e4,
 555                             "%s %d %8phC post gpdb\n",
 556                             __func__, __LINE__, fcport->port_name);
 557
 558                         if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 559                                 fcport->port_type = FCT_INITIATOR;
 560                         else
 561                                 fcport->port_type = FCT_TARGET;
 562
 563                         data[0] = data[1] = 0;
 564                         qla2x00_post_async_adisc_work(vha, fcport, data);
 565                         break;
 566                 case DSC_LS_PORT_UNAVAIL:
 567                 default:
 568                         if (fcport->loop_id == FC_NO_LOOP_ID) {
 569                                 qla2x00_find_new_loop_id(vha, fcport);
 570                                 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
 571                         }
 572                         ql_dbg(ql_dbg_disc, vha, 0x20e5,
 573                             "%s %d %8phC\n",
 574                             __func__, __LINE__, fcport->port_name);
 575                         qla24xx_fcport_handle_login(vha, fcport);
 576                         break;
 577                 }
 578         }
 579
 580         if (!found) {
 581                 /* fw has no record of this port */
 582                 for (i = 0; i < n; i++) {
 583                         e = &vha->gnl.l[i];
 584                         id.b.domain = e->port_id[0];
 585                         id.b.area = e->port_id[1];
 586                         id.b.al_pa = e->port_id[2];
 587                         id.b.rsvd_1 = 0;
 588                         loop_id = le16_to_cpu(e->nport_handle);
 589
 590                         if (fcport->d_id.b24 == id.b24) {
 591                                 conflict_fcport =
 592                                         qla2x00_find_fcport_by_wwpn(vha,
 593                                             e->port_name, 0);
 594                                 ql_dbg(ql_dbg_disc, vha, 0x20e6,
 595                                     "%s %d %8phC post del sess\n",
 596                                     __func__, __LINE__,
 597                                     conflict_fcport->port_name);
 598                                 qlt_schedule_sess_for_deletion
 599                                         (conflict_fcport);
 600                         }
 601
 602                         /* FW already picked this loop id for another fcport */
 603                         if (fcport->loop_id == loop_id)
 604                                 fcport->loop_id = FC_NO_LOOP_ID;
 605                 }
 606                 qla24xx_fcport_handle_login(vha, fcport);
 607         }
 608 } /* gnl_event */
 609
 610 static void
 611 qla24xx_async_gnl_sp_done(void *s, int res)
 612 {
 613         struct srb *sp = s;
 614         struct scsi_qla_host *vha = sp->vha;
 615         unsigned long flags;
 616         struct fc_port *fcport = NULL, *tf;
 617         u16 i, n = 0, loop_id;
 618         struct event_arg ea;
 619         struct get_name_list_extended *e;
 620         u64 wwn;
 621         struct list_head h;
 622         bool found = false;
 623
 624         ql_dbg(ql_dbg_disc, vha, 0x20e7,
 625             "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
 626             sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
 627             sp->u.iocb_cmd.u.mbx.in_mb[2]);
 628
 629         memset(&ea, 0, sizeof(ea));
 630         ea.sp = sp;
 631         ea.rc = res;
 632         ea.event = FCME_GNL_DONE;
 633
 634         if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
 635             sizeof(struct get_name_list_extended)) {
 636                 n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
 637                     sizeof(struct get_name_list_extended);
 638                 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
 639         }
 640
 641         for (i = 0; i < n; i++) {
 642                 e = &vha->gnl.l[i];
 643                 loop_id = le16_to_cpu(e->nport_handle);
 644                 /* mask out reserve bit */
 645                 loop_id = (loop_id & 0x7fff);
 646                 set_bit(loop_id, vha->hw->loop_id_map);
 647                 wwn = wwn_to_u64(e->port_name);
 648
 649                 ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x20e8,
 650                     "%s %8phC %02x:%02x:%02x state %d/%d lid %x \n",
 651                     __func__, (void *)&wwn, e->port_id[2], e->port_id[1],
 652                     e->port_id[0], e->current_login_state, e->last_login_state,
 653                     (loop_id & 0x7fff));
 654         }
 655
 656         spin_lock_irqsave(&vha->gnl.fcports_lock, flags);
 657
 658         INIT_LIST_HEAD(&h);
 659         fcport = tf = NULL;
 660         if (!list_empty(&vha->gnl.fcports))
 661                 list_splice_init(&vha->gnl.fcports, &h);
 662
 663         list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
 664                 list_del_init(&fcport->gnl_entry);
 665                 spin_lock(&vha->hw->tgt.sess_lock);
 666                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 667                 spin_unlock(&vha->hw->tgt.sess_lock);
 668                 ea.fcport = fcport;
 669
 670                 qla2x00_fcport_event_handler(vha, &ea);
 671         }
 672         spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags);
 673
 674         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 675         /* create new fcport if fw has knowledge of new sessions */
 676         for (i = 0; i < n; i++) {
 677                 port_id_t id;
 678                 u64 wwnn;
 679
 680                 e = &vha->gnl.l[i];
 681                 wwn = wwn_to_u64(e->port_name);
 682
 683                 found = false;
 684                 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
 685                         if (!memcmp((u8 *)&wwn, fcport->port_name,
 686                             WWN_SIZE)) {
 687                                 found = true;
 688                                 break;
 689                         }
 690                 }
 691
 692                 id.b.domain = e->port_id[2];
 693                 id.b.area = e->port_id[1];
 694                 id.b.al_pa = e->port_id[0];
 695                 id.b.rsvd_1 = 0;
 696
 697                 if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
 698                         ql_dbg(ql_dbg_disc, vha, 0x2065,
 699                             "%s %d %8phC %06x post new sess\n",
 700                             __func__, __LINE__, (u8 *)&wwn, id.b24);
 701                         wwnn = wwn_to_u64(e->node_name);
 702                         qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
 703                             (u8 *)&wwnn, NULL, FC4_TYPE_UNKNOWN);
 704                 }
 705         }
 706
 707         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 708
 709         sp->free(sp);
 710 }
 711
 712 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
 713 {
 714         srb_t *sp;
 715         struct srb_iocb *mbx;
 716         int rval = QLA_FUNCTION_FAILED;
 717         unsigned long flags;
 718         u16 *mb;
 719
 720         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 721                 return rval;
 722
 723         ql_dbg(ql_dbg_disc, vha, 0x20d9,
 724             "Async-gnlist WWPN %8phC \n", fcport->port_name);
 725
 726         spin_lock_irqsave(&vha->gnl.fcports_lock, flags);
 727         if (!list_empty(&fcport->gnl_entry)) {
 728                 spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags);
 729                 rval = QLA_SUCCESS;
 730                 goto done;
 731         }
 732
 733         spin_lock(&vha->hw->tgt.sess_lock);
 734         fcport->disc_state = DSC_GNL;
 735         fcport->last_rscn_gen = fcport->rscn_gen;
 736         fcport->last_login_gen = fcport->login_gen;
 737         spin_unlock(&vha->hw->tgt.sess_lock);
 738
 739         list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
 740         spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags);
 741
 742         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 743         if (!sp)
 744                 goto done;
 745
 746         fcport->flags |= FCF_ASYNC_SENT;
 747         sp->type = SRB_MB_IOCB;
 748         sp->name = "gnlist";
 749         sp->gen1 = fcport->rscn_gen;
 750         sp->gen2 = fcport->login_gen;
 751
 752         mbx = &sp->u.iocb_cmd;
 753         mbx->timeout = qla2x00_async_iocb_timeout;
 754         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
 755
 756         mb = sp->u.iocb_cmd.u.mbx.out_mb;
 757         mb[0] = MBC_PORT_NODE_NAME_LIST;
 758         mb[1] = BIT_2 | BIT_3;
 759         mb[2] = MSW(vha->gnl.ldma);
 760         mb[3] = LSW(vha->gnl.ldma);
 761         mb[6] = MSW(MSD(vha->gnl.ldma));
 762         mb[7] = LSW(MSD(vha->gnl.ldma));
 763         mb[8] = vha->gnl.size;
 764         mb[9] = vha->vp_idx;
 765
 766         sp->done = qla24xx_async_gnl_sp_done;
 767
 768         rval = qla2x00_start_sp(sp);
 769         if (rval != QLA_SUCCESS)
 770                 goto done_free_sp;
 771
 772         ql_dbg(ql_dbg_disc, vha, 0x20da,
 773             "Async-%s - OUT WWPN %8phC hndl %x\n",
 774             sp->name, fcport->port_name, sp->handle);
 775
 776         return rval;
 777
 778 done_free_sp:
 779         sp->free(sp);
 780         fcport->flags &= ~FCF_ASYNC_SENT;
 781 done:
 782         return rval;
 783 }
 784
 785 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 786 {
 787         struct qla_work_evt *e;
 788
 789         e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
 790         if (!e)
 791                 return QLA_FUNCTION_FAILED;
 792
 793         e->u.fcport.fcport = fcport;
 794         fcport->flags |= FCF_ASYNC_ACTIVE;
 795         return qla2x00_post_work(vha, e);
 796 }
 797
 798 static
 799 void qla24xx_async_gpdb_sp_done(void *s, int res)
 800 {
 801         struct srb *sp = s;
 802         struct scsi_qla_host *vha = sp->vha;
 803         struct qla_hw_data *ha = vha->hw;
 804         fc_port_t *fcport = sp->fcport;
 805         u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
 806         struct event_arg ea;
 807
 808         ql_dbg(ql_dbg_disc, vha, 0x20db,
 809             "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
 810             sp->name, res, fcport->port_name, mb[1], mb[2]);
 811
 812         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 813
 814         memset(&ea, 0, sizeof(ea));
 815         ea.event = FCME_GPDB_DONE;
 816         ea.fcport = fcport;
 817         ea.sp = sp;
 818
 819         qla2x00_fcport_event_handler(vha, &ea);
 820
 821         dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
 822                 sp->u.iocb_cmd.u.mbx.in_dma);
 823
 824         sp->free(sp);
 825 }
 826
 827 static int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 828 {
 829         struct qla_work_evt *e;
 830
 831         e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
 832         if (!e)
 833                 return QLA_FUNCTION_FAILED;
 834
 835         e->u.fcport.fcport = fcport;
 836
 837         return qla2x00_post_work(vha, e);
 838 }
 839
 840 static void
 841 qla2x00_async_prli_sp_done(void *ptr, int res)
 842 {
 843         srb_t *sp = ptr;
 844         struct scsi_qla_host *vha = sp->vha;
 845         struct srb_iocb *lio = &sp->u.iocb_cmd;
 846         struct event_arg ea;
 847
 848         ql_dbg(ql_dbg_disc, vha, 0x2129,
 849             "%s %8phC res %d \n", __func__,
 850             sp->fcport->port_name, res);
 851
 852         sp->fcport->flags &= ~FCF_ASYNC_SENT;
 853
 854         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 855                 memset(&ea, 0, sizeof(ea));
 856                 ea.event = FCME_PRLI_DONE;
 857                 ea.fcport = sp->fcport;
 858                 ea.data[0] = lio->u.logio.data[0];
 859                 ea.data[1] = lio->u.logio.data[1];
 860                 ea.iop[0] = lio->u.logio.iop[0];
 861                 ea.iop[1] = lio->u.logio.iop[1];
 862                 ea.sp = sp;
 863
 864                 qla2x00_fcport_event_handler(vha, &ea);
 865         }
 866
 867         sp->free(sp);
 868 }
 869
 870 int
 871 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
 872 {
 873         srb_t *sp;
 874         struct srb_iocb *lio;
 875         int rval = QLA_FUNCTION_FAILED;
 876
 877         if (!vha->flags.online)
 878                 return rval;
 879
 880         if (fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
 881             fcport->fw_login_state == DSC_LS_PRLI_PEND)
 882                 return rval;
 883
 884         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 885         if (!sp)
 886                 return rval;
 887
 888         fcport->flags |= FCF_ASYNC_SENT;
 889         fcport->logout_completed = 0;
 890
 891         sp->type = SRB_PRLI_CMD;
 892         sp->name = "prli";
 893
 894         lio = &sp->u.iocb_cmd;
 895         lio->timeout = qla2x00_async_iocb_timeout;
 896         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 897
 898         sp->done = qla2x00_async_prli_sp_done;
 899         lio->u.logio.flags = 0;
 900
 901         if  (fcport->fc4f_nvme)
 902                 lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
 903
 904         rval = qla2x00_start_sp(sp);
 905         if (rval != QLA_SUCCESS) {
 906                 fcport->flags |= FCF_LOGIN_NEEDED;
 907                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 908                 goto done_free_sp;
 909         }
 910
 911         ql_dbg(ql_dbg_disc, vha, 0x211b,
 912             "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d.\n",
 913             fcport->port_name, sp->handle, fcport->loop_id,
 914             fcport->d_id.b24, fcport->login_retry);
 915
 916         return rval;
 917
 918 done_free_sp:
 919         sp->free(sp);
 920         fcport->flags &= ~FCF_ASYNC_SENT;
 921         return rval;
 922 }
 923
 924 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
 925 {
 926         struct qla_work_evt *e;
 927
 928         e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
 929         if (!e)
 930                 return QLA_FUNCTION_FAILED;
 931
 932         e->u.fcport.fcport = fcport;
 933         e->u.fcport.opt = opt;
 934         fcport->flags |= FCF_ASYNC_ACTIVE;
 935         return qla2x00_post_work(vha, e);
 936 }
 937
 938 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
 939 {
 940         srb_t *sp;
 941         struct srb_iocb *mbx;
 942         int rval = QLA_FUNCTION_FAILED;
 943         u16 *mb;
 944         dma_addr_t pd_dma;
 945         struct port_database_24xx *pd;
 946         struct qla_hw_data *ha = vha->hw;
 947
 948         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 949                 return rval;
 950
 951         fcport->disc_state = DSC_GPDB;
 952
 953         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 954         if (!sp)
 955                 goto done;
 956
 957         fcport->flags |= FCF_ASYNC_SENT;
 958         sp->type = SRB_MB_IOCB;
 959         sp->name = "gpdb";
 960         sp->gen1 = fcport->rscn_gen;
 961         sp->gen2 = fcport->login_gen;
 962
 963         mbx = &sp->u.iocb_cmd;
 964         mbx->timeout = qla2x00_async_iocb_timeout;
 965         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 966
 967         pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
 968         if (pd == NULL) {
 969                 ql_log(ql_log_warn, vha, 0xd043,
 970                     "Failed to allocate port database structure.\n");
 971                 goto done_free_sp;
 972         }
 973
 974         mb = sp->u.iocb_cmd.u.mbx.out_mb;
 975         mb[0] = MBC_GET_PORT_DATABASE;
 976         mb[1] = fcport->loop_id;
 977         mb[2] = MSW(pd_dma);
 978         mb[3] = LSW(pd_dma);
 979         mb[6] = MSW(MSD(pd_dma));
 980         mb[7] = LSW(MSD(pd_dma));
 981         mb[9] = vha->vp_idx;
 982         mb[10] = opt;
 983
 984         mbx->u.mbx.in = (void *)pd;
 985         mbx->u.mbx.in_dma = pd_dma;
 986
 987         sp->done = qla24xx_async_gpdb_sp_done;
 988
 989         rval = qla2x00_start_sp(sp);
 990         if (rval != QLA_SUCCESS)
 991                 goto done_free_sp;
 992
 993         ql_dbg(ql_dbg_disc, vha, 0x20dc,
 994             "Async-%s %8phC hndl %x opt %x\n",
 995             sp->name, fcport->port_name, sp->handle, opt);
 996
 997         return rval;
 998
 999 done_free_sp:
1000         if (pd)
1001                 dma_pool_free(ha->s_dma_pool, pd, pd_dma);
1002
1003         sp->free(sp);
1004         fcport->flags &= ~FCF_ASYNC_SENT;
1005 done:
1006         qla24xx_post_gpdb_work(vha, fcport, opt);
1007         return rval;
1008 }
1009
1010 static
1011 void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1012 {
1013         unsigned long flags;
1014
1015         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1016         ea->fcport->login_gen++;
1017         ea->fcport->deleted = 0;
1018         ea->fcport->logout_on_delete = 1;
1019
1020         if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
1021                 vha->fcport_count++;
1022                 ea->fcport->login_succ = 1;
1023
1024                 ql_dbg(ql_dbg_disc, vha, 0x20d6,
1025                     "%s %d %8phC post upd_fcport fcp_cnt %d\n",
1026                     __func__, __LINE__,  ea->fcport->port_name,
1027                     vha->fcport_count);
1028                 qla24xx_post_upd_fcport_work(vha, ea->fcport);
1029         } else if (ea->fcport->login_succ) {
1030                 /*
1031                  * We have an existing session. A late RSCN delivery
1032                  * must have triggered the session to be re-validate.
1033                  * Session is still valid.
1034                  */
1035                 ql_dbg(ql_dbg_disc, vha, 0x20d6,
1036                     "%s %d %8phC session revalidate success\n",
1037                     __func__, __LINE__, ea->fcport->port_name);
1038                 ea->fcport->disc_state = DSC_LOGIN_COMPLETE;
1039         }
1040         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1041 }
1042
1043 static
1044 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1045 {
1046         fc_port_t *fcport = ea->fcport;
1047         struct port_database_24xx *pd;
1048         struct srb *sp = ea->sp;
1049         uint8_t ls;
1050
1051         pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
1052
1053         fcport->flags &= ~FCF_ASYNC_SENT;
1054
1055         ql_dbg(ql_dbg_disc, vha, 0x20d2,
1056             "%s %8phC DS %d LS %d rc %d\n", __func__, fcport->port_name,
1057             fcport->disc_state, pd->current_login_state, ea->rc);
1058
1059         if (fcport->disc_state == DSC_DELETE_PEND)
1060                 return;
1061
1062         if (fcport->fc4f_nvme)
1063                 ls = pd->current_login_state >> 4;
1064         else
1065                 ls = pd->current_login_state & 0xf;
1066
1067         switch (ls) {
1068         case PDS_PRLI_COMPLETE:
1069                 __qla24xx_parse_gpdb(vha, fcport, pd);
1070                 break;
1071         case PDS_PLOGI_PENDING:
1072         case PDS_PLOGI_COMPLETE:
1073         case PDS_PRLI_PENDING:
1074         case PDS_PRLI2_PENDING:
1075                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC relogin needed\n",
1076                     __func__, __LINE__, fcport->port_name);
1077                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1078                 return;
1079         case PDS_LOGO_PENDING:
1080         case PDS_PORT_UNAVAILABLE:
1081         default:
1082                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
1083                     __func__, __LINE__, fcport->port_name);
1084                 qlt_schedule_sess_for_deletion(fcport);
1085                 return;
1086         }
1087         __qla24xx_handle_gpdb_event(vha, ea);
1088 } /* gpdb event */
1089
1090 static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1091 {
1092         u8 login = 0;
1093         int rc;
1094
1095         if (qla_tgt_mode_enabled(vha))
1096                 return;
1097
1098         if (qla_dual_mode_enabled(vha)) {
1099                 if (N2N_TOPO(vha->hw)) {
1100                         u64 mywwn, wwn;
1101
1102                         mywwn = wwn_to_u64(vha->port_name);
1103                         wwn = wwn_to_u64(fcport->port_name);
1104                         if (mywwn > wwn)
1105                                 login = 1;
1106                         else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1107                             && time_after_eq(jiffies,
1108                                     fcport->plogi_nack_done_deadline))
1109                                 login = 1;
1110                 } else {
1111                         login = 1;
1112                 }
1113         } else {
1114                 /* initiator mode */
1115                 login = 1;
1116         }
1117
1118         if (login) {
1119                 if (fcport->loop_id == FC_NO_LOOP_ID) {
1120                         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
1121                         rc = qla2x00_find_new_loop_id(vha, fcport);
1122                         if (rc) {
1123                                 ql_dbg(ql_dbg_disc, vha, 0x20e6,
1124                                     "%s %d %8phC post del sess - out of loopid\n",
1125                                     __func__, __LINE__, fcport->port_name);
1126                                 fcport->scan_state = 0;
1127                                 qlt_schedule_sess_for_deletion(fcport);
1128                                 return;
1129                         }
1130                 }
1131                 ql_dbg(ql_dbg_disc, vha, 0x20bf,
1132                     "%s %d %8phC post login\n",
1133                     __func__, __LINE__, fcport->port_name);
1134                 qla2x00_post_async_login_work(vha, fcport, NULL);
1135         }
1136 }
1137
1138 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1139 {
1140         u16 data[2];
1141         u64 wwn;
1142
1143         ql_dbg(ql_dbg_disc, vha, 0x20d8,
1144             "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d retry %d lid %d scan %d\n",
1145             __func__, fcport->port_name, fcport->disc_state,
1146             fcport->fw_login_state, fcport->login_pause, fcport->flags,
1147             fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
1148             fcport->login_gen, fcport->login_retry,
1149             fcport->loop_id, fcport->scan_state);
1150
1151         if (fcport->scan_state != QLA_FCPORT_FOUND)
1152                 return 0;
1153
1154         if ((fcport->loop_id != FC_NO_LOOP_ID) &&
1155             ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1156              (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
1157                 return 0;
1158
1159         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1160                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1161                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1162                         return 0;
1163                 }
1164         }
1165
1166         /* for pure Target Mode. Login will not be initiated */
1167         if (vha->host->active_mode == MODE_TARGET)
1168                 return 0;
1169
1170         if (fcport->flags & FCF_ASYNC_SENT) {
1171                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1172                 return 0;
1173         }
1174
1175         if (fcport->login_retry > 0)
1176                 fcport->login_retry--;
1177
1178         switch (fcport->disc_state) {
1179         case DSC_DELETED:
1180                 wwn = wwn_to_u64(fcport->node_name);
1181                 if (wwn == 0) {
1182                         ql_dbg(ql_dbg_disc, vha, 0xffff,
1183                             "%s %d %8phC post GNNID\n",
1184                             __func__, __LINE__, fcport->port_name);
1185                         qla24xx_post_gnnid_work(vha, fcport);
1186                 } else if (fcport->loop_id == FC_NO_LOOP_ID) {
1187                         ql_dbg(ql_dbg_disc, vha, 0x20bd,
1188                             "%s %d %8phC post gnl\n",
1189                             __func__, __LINE__, fcport->port_name);
1190                         qla24xx_post_gnl_work(vha, fcport);
1191                 } else {
1192                         qla_chk_n2n_b4_login(vha, fcport);
1193                 }
1194                 break;
1195
1196         case DSC_GNL:
1197                 if (fcport->login_pause) {
1198                         fcport->last_rscn_gen = fcport->rscn_gen;
1199                         fcport->last_login_gen = fcport->login_gen;
1200                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1201                         break;
1202                 }
1203
1204                 qla_chk_n2n_b4_login(vha, fcport);
1205                 break;
1206
1207         case DSC_LOGIN_FAILED:
1208                 ql_dbg(ql_dbg_disc, vha, 0x20d0,
1209                     "%s %d %8phC post gidpn\n",
1210                     __func__, __LINE__, fcport->port_name);
1211                 if (N2N_TOPO(vha->hw))
1212                         qla_chk_n2n_b4_login(vha, fcport);
1213                 else
1214                         qla24xx_post_gidpn_work(vha, fcport);
1215                 break;
1216
1217         case DSC_LOGIN_COMPLETE:
1218                 /* recheck login state */
1219                 ql_dbg(ql_dbg_disc, vha, 0x20d1,
1220                     "%s %d %8phC post adisc\n",
1221                     __func__, __LINE__, fcport->port_name);
1222                 data[0] = data[1] = 0;
1223                 qla2x00_post_async_adisc_work(vha, fcport, data);
1224                 break;
1225
1226         case DSC_LOGIN_PEND:
1227                 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1228                         qla24xx_post_prli_work(vha, fcport);
1229                 break;
1230
1231         default:
1232                 break;
1233         }
1234
1235         return 0;
1236 }
1237
1238 static
1239 void qla24xx_handle_rscn_event(fc_port_t *fcport, struct event_arg *ea)
1240 {
1241         fcport->rscn_gen++;
1242
1243         ql_dbg(ql_dbg_disc, fcport->vha, 0x210c,
1244             "%s %8phC DS %d LS %d\n",
1245             __func__, fcport->port_name, fcport->disc_state,
1246             fcport->fw_login_state);
1247
1248         if (fcport->flags & FCF_ASYNC_SENT)
1249                 return;
1250
1251         switch (fcport->disc_state) {
1252         case DSC_DELETED:
1253         case DSC_LOGIN_COMPLETE:
1254                 qla24xx_post_gpnid_work(fcport->vha, &ea->id);
1255                 break;
1256         default:
1257                 break;
1258         }
1259 }
1260
1261 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1262     u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
1263 {
1264         struct qla_work_evt *e;
1265         e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1266         if (!e)
1267                 return QLA_FUNCTION_FAILED;
1268
1269         e->u.new_sess.id = *id;
1270         e->u.new_sess.pla = pla;
1271         e->u.new_sess.fc4_type = fc4_type;
1272         memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1273         if (node_name)
1274                 memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
1275
1276         return qla2x00_post_work(vha, e);
1277 }
1278
1279 static
1280 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1281         struct event_arg *ea)
1282 {
1283         fc_port_t *fcport = ea->fcport;
1284
1285         ql_dbg(ql_dbg_disc, vha, 0x2102,
1286             "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1287             __func__, fcport->port_name, fcport->disc_state,
1288             fcport->fw_login_state, fcport->login_pause,
1289             fcport->deleted, fcport->conflict,
1290             fcport->last_rscn_gen, fcport->rscn_gen,
1291             fcport->last_login_gen, fcport->login_gen,
1292             fcport->flags);
1293
1294         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1295             (fcport->fw_login_state == DSC_LS_PRLI_PEND))
1296                 return;
1297
1298         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1299                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1300                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1301                         return;
1302                 }
1303         }
1304
1305         if (fcport->flags & FCF_ASYNC_SENT) {
1306                 fcport->login_retry++;
1307                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1308                 return;
1309         }
1310
1311         if (fcport->disc_state == DSC_DELETE_PEND) {
1312                 fcport->login_retry++;
1313                 return;
1314         }
1315
1316         if (fcport->last_rscn_gen != fcport->rscn_gen) {
1317                 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gidpn\n",
1318                     __func__, __LINE__, fcport->port_name);
1319
1320                 qla24xx_post_gidpn_work(vha, fcport);
1321                 return;
1322         }
1323
1324         qla24xx_fcport_handle_login(vha, fcport);
1325 }
1326
1327 void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea)
1328 {
1329         fc_port_t *f, *tf;
1330         uint32_t id = 0, mask, rid;
1331         unsigned long flags;
1332         fc_port_t *fcport;
1333
1334         switch (ea->event) {
1335         case FCME_RELOGIN:
1336                 if (test_bit(UNLOADING, &vha->dpc_flags))
1337                         return;
1338
1339                 qla24xx_handle_relogin_event(vha, ea);
1340                 break;
1341         case FCME_RSCN:
1342                 if (test_bit(UNLOADING, &vha->dpc_flags))
1343                         return;
1344                 switch (ea->id.b.rsvd_1) {
1345                 case RSCN_PORT_ADDR:
1346                         fcport = qla2x00_find_fcport_by_nportid
1347                                 (vha, &ea->id, 1);
1348                         if (fcport)
1349                                 fcport->rscn_rcvd = 1;
1350
1351                         spin_lock_irqsave(&vha->work_lock, flags);
1352                         if (vha->scan.scan_flags == 0) {
1353                                 ql_dbg(ql_dbg_disc, vha, 0xffff,
1354                                     "%s: schedule\n", __func__);
1355                                 vha->scan.scan_flags |= SF_QUEUED;
1356                                 schedule_delayed_work(&vha->scan.scan_work, 5);
1357                         }
1358                         spin_unlock_irqrestore(&vha->work_lock, flags);
1359
1360                         break;
1361                 case RSCN_AREA_ADDR:
1362                 case RSCN_DOM_ADDR:
1363                         if (ea->id.b.rsvd_1 == RSCN_AREA_ADDR) {
1364                                 mask = 0xffff00;
1365                                 ql_dbg(ql_dbg_async, vha, 0x5044,
1366                                     "RSCN: Area 0x%06x was affected\n",
1367                                     ea->id.b24);
1368                         } else {
1369                                 mask = 0xff0000;
1370                                 ql_dbg(ql_dbg_async, vha, 0x507a,
1371                                     "RSCN: Domain 0x%06x was affected\n",
1372                                     ea->id.b24);
1373                         }
1374
1375                         rid = ea->id.b24 & mask;
1376                         list_for_each_entry_safe(f, tf, &vha->vp_fcports,
1377                             list) {
1378                                 id = f->d_id.b24 & mask;
1379                                 if (rid == id) {
1380                                         ea->fcport = f;
1381                                         qla24xx_handle_rscn_event(f, ea);
1382                                 }
1383                         }
1384                         break;
1385                 case RSCN_FAB_ADDR:
1386                 default:
1387                         ql_log(ql_log_warn, vha, 0xd045,
1388                             "RSCN: Fabric was affected. Addr format %d\n",
1389                             ea->id.b.rsvd_1);
1390                         qla2x00_mark_all_devices_lost(vha, 1);
1391                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1392                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1393                 }
1394                 break;
1395         case FCME_GIDPN_DONE:
1396                 qla24xx_handle_gidpn_event(vha, ea);
1397                 break;
1398         case FCME_GNL_DONE:
1399                 qla24xx_handle_gnl_done_event(vha, ea);
1400                 break;
1401         case FCME_GPSC_DONE:
1402                 qla24xx_handle_gpsc_event(vha, ea);
1403                 break;
1404         case FCME_PLOGI_DONE:   /* Initiator side sent LLIOCB */
1405                 qla24xx_handle_plogi_done_event(vha, ea);
1406                 break;
1407         case FCME_PRLI_DONE:
1408                 qla24xx_handle_prli_done_event(vha, ea);
1409                 break;
1410         case FCME_GPDB_DONE:
1411                 qla24xx_handle_gpdb_event(vha, ea);
1412                 break;
1413         case FCME_GPNID_DONE:
1414                 qla24xx_handle_gpnid_event(vha, ea);
1415                 break;
1416         case FCME_GFFID_DONE:
1417                 qla24xx_handle_gffid_event(vha, ea);
1418                 break;
1419         case FCME_ADISC_DONE:
1420                 qla24xx_handle_adisc_event(vha, ea);
1421                 break;
1422         case FCME_GNNID_DONE:
1423                 qla24xx_handle_gnnid_event(vha, ea);
1424                 break;
1425         case FCME_GFPNID_DONE:
1426                 qla24xx_handle_gfpnid_event(vha, ea);
1427                 break;
1428         default:
1429                 BUG_ON(1);
1430                 break;
1431         }
1432 }
1433
1434 static void
1435 qla2x00_tmf_iocb_timeout(void *data)
1436 {
1437         srb_t *sp = data;
1438         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1439
1440         tmf->u.tmf.comp_status = CS_TIMEOUT;
1441         complete(&tmf->u.tmf.comp);
1442 }
1443
1444 static void
1445 qla2x00_tmf_sp_done(void *ptr, int res)
1446 {
1447         srb_t *sp = ptr;
1448         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1449
1450         complete(&tmf->u.tmf.comp);
1451 }
1452
1453 int
1454 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1455         uint32_t tag)
1456 {
1457         struct scsi_qla_host *vha = fcport->vha;
1458         struct srb_iocb *tm_iocb;
1459         srb_t *sp;
1460         int rval = QLA_FUNCTION_FAILED;
1461
1462         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1463         if (!sp)
1464                 goto done;
1465
1466         tm_iocb = &sp->u.iocb_cmd;
1467         sp->type = SRB_TM_CMD;
1468         sp->name = "tmf";
1469
1470         tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
1471         init_completion(&tm_iocb->u.tmf.comp);
1472         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1473
1474         tm_iocb->u.tmf.flags = flags;
1475         tm_iocb->u.tmf.lun = lun;
1476         tm_iocb->u.tmf.data = tag;
1477         sp->done = qla2x00_tmf_sp_done;
1478
1479         rval = qla2x00_start_sp(sp);
1480         if (rval != QLA_SUCCESS)
1481                 goto done_free_sp;
1482
1483         ql_dbg(ql_dbg_taskm, vha, 0x802f,
1484             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
1485             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
1486             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1487
1488         wait_for_completion(&tm_iocb->u.tmf.comp);
1489
1490         rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
1491             QLA_SUCCESS : QLA_FUNCTION_FAILED;
1492
1493         if ((rval != QLA_SUCCESS) || tm_iocb->u.tmf.data) {
1494                 ql_dbg(ql_dbg_taskm, vha, 0x8030,
1495                     "TM IOCB failed (%x).\n", rval);
1496         }
1497
1498         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
1499                 flags = tm_iocb->u.tmf.flags;
1500                 lun = (uint16_t)tm_iocb->u.tmf.lun;
1501
1502                 /* Issue Marker IOCB */
1503                 qla2x00_marker(vha, vha->hw->req_q_map[0],
1504                     vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
1505                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
1506         }
1507
1508 done_free_sp:
1509         sp->free(sp);
1510         sp->fcport->flags &= ~FCF_ASYNC_SENT;
1511 done:
1512         return rval;
1513 }
1514
1515 static void
1516 qla24xx_abort_iocb_timeout(void *data)
1517 {
1518         srb_t *sp = data;
1519         struct srb_iocb *abt = &sp->u.iocb_cmd;
1520
1521         abt->u.abt.comp_status = CS_TIMEOUT;
1522         complete(&abt->u.abt.comp);
1523 }
1524
1525 static void
1526 qla24xx_abort_sp_done(void *ptr, int res)
1527 {
1528         srb_t *sp = ptr;
1529         struct srb_iocb *abt = &sp->u.iocb_cmd;
1530
1531         if (del_timer(&sp->u.iocb_cmd.timer))
1532                 complete(&abt->u.abt.comp);
1533 }
1534
1535 int
1536 qla24xx_async_abort_cmd(srb_t *cmd_sp)
1537 {
1538         scsi_qla_host_t *vha = cmd_sp->vha;
1539         fc_port_t *fcport = cmd_sp->fcport;
1540         struct srb_iocb *abt_iocb;
1541         srb_t *sp;
1542         int rval = QLA_FUNCTION_FAILED;
1543
1544         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1545         if (!sp)
1546                 goto done;
1547
1548         abt_iocb = &sp->u.iocb_cmd;
1549         sp->type = SRB_ABT_CMD;
1550         sp->name = "abort";
1551
1552         abt_iocb->timeout = qla24xx_abort_iocb_timeout;
1553         init_completion(&abt_iocb->u.abt.comp);
1554         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1555
1556         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
1557
1558         if (vha->flags.qpairs_available && cmd_sp->qpair)
1559                 abt_iocb->u.abt.req_que_no =
1560                     cpu_to_le16(cmd_sp->qpair->req->id);
1561         else
1562                 abt_iocb->u.abt.req_que_no = cpu_to_le16(vha->req->id);
1563
1564         sp->done = qla24xx_abort_sp_done;
1565
1566         rval = qla2x00_start_sp(sp);
1567         if (rval != QLA_SUCCESS)
1568                 goto done_free_sp;
1569
1570         ql_dbg(ql_dbg_async, vha, 0x507c,
1571             "Abort command issued - hdl=%x, target_id=%x\n",
1572             cmd_sp->handle, fcport->tgt_id);
1573
1574         wait_for_completion(&abt_iocb->u.abt.comp);
1575
1576         rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
1577             QLA_SUCCESS : QLA_FUNCTION_FAILED;
1578
1579 done_free_sp:
1580         sp->free(sp);
1581 done:
1582         return rval;
1583 }
1584
1585 int
1586 qla24xx_async_abort_command(srb_t *sp)
1587 {
1588         unsigned long   flags = 0;
1589
1590         uint32_t        handle;
1591         fc_port_t       *fcport = sp->fcport;
1592         struct scsi_qla_host *vha = fcport->vha;
1593         struct qla_hw_data *ha = vha->hw;
1594         struct req_que *req = vha->req;
1595
1596         if (vha->flags.qpairs_available && sp->qpair)
1597                 req = sp->qpair->req;
1598
1599         spin_lock_irqsave(&ha->hardware_lock, flags);
1600         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
1601                 if (req->outstanding_cmds[handle] == sp)
1602                         break;
1603         }
1604         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1605         if (handle == req->num_outstanding_cmds) {
1606                 /* Command not found. */
1607                 return QLA_FUNCTION_FAILED;
1608         }
1609         if (sp->type == SRB_FXIOCB_DCMD)
1610                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1611                     FXDISC_ABORT_IOCTL);
1612
1613         return qla24xx_async_abort_cmd(sp);
1614 }
1615
1616 static void
1617 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1618 {
1619         switch (ea->data[0]) {
1620         case MBS_COMMAND_COMPLETE:
1621                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1622                     "%s %d %8phC post gpdb\n",
1623                     __func__, __LINE__, ea->fcport->port_name);
1624
1625                 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1626                 ea->fcport->logout_on_delete = 1;
1627                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1628                 break;
1629         default:
1630                 if ((ea->iop[0] == LSC_SCODE_ELS_REJECT) &&
1631                     (ea->iop[1] == 0x50000)) {   /* reson 5=busy expl:0x0 */
1632                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1633                         ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
1634                         break;
1635                 }
1636
1637                 if (ea->fcport->n2n_flag) {
1638                         ql_dbg(ql_dbg_disc, vha, 0x2118,
1639                                 "%s %d %8phC post fc4 prli\n",
1640                                 __func__, __LINE__, ea->fcport->port_name);
1641                         ea->fcport->fc4f_nvme = 0;
1642                         ea->fcport->n2n_flag = 0;
1643                         qla24xx_post_prli_work(vha, ea->fcport);
1644                 }
1645                 ql_dbg(ql_dbg_disc, vha, 0x2119,
1646                     "%s %d %8phC unhandle event of %x\n",
1647                     __func__, __LINE__, ea->fcport->port_name, ea->data[0]);
1648                 break;
1649         }
1650 }
1651
1652 static void
1653 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1654 {
1655         port_id_t cid;  /* conflict Nport id */
1656         u16 lid;
1657         struct fc_port *conflict_fcport;
1658         unsigned long flags;
1659         struct fc_port *fcport = ea->fcport;
1660
1661         ql_dbg(ql_dbg_disc, vha, 0xffff,
1662             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
1663             __func__, fcport->port_name, fcport->disc_state,
1664             fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
1665             ea->sp->gen2, fcport->rscn_gen|ea->sp->gen1,
1666             ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
1667
1668         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1669             (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
1670                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
1671                     "%s %d %8phC Remote is trying to login\n",
1672                     __func__, __LINE__, fcport->port_name);
1673                 return;
1674         }
1675
1676         if (fcport->disc_state == DSC_DELETE_PEND)
1677                 return;
1678
1679         if (ea->sp->gen2 != fcport->login_gen) {
1680                 /* target side must have changed it. */
1681                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1682                     "%s %8phC generation changed\n",
1683                     __func__, fcport->port_name);
1684                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1685                 return;
1686         } else if (ea->sp->gen1 != fcport->rscn_gen) {
1687                 ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
1688                     __func__, __LINE__, fcport->port_name);
1689                 qla24xx_post_gidpn_work(vha, fcport);
1690                 return;
1691         }
1692
1693         switch (ea->data[0]) {
1694         case MBS_COMMAND_COMPLETE:
1695                 /*
1696                  * Driver must validate login state - If PRLI not complete,
1697                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
1698                  * requests.
1699                  */
1700                 if (ea->fcport->fc4f_nvme) {
1701                         ql_dbg(ql_dbg_disc, vha, 0x2117,
1702                                 "%s %d %8phC post prli\n",
1703                                 __func__, __LINE__, ea->fcport->port_name);
1704                         qla24xx_post_prli_work(vha, ea->fcport);
1705                 } else {
1706                         ql_dbg(ql_dbg_disc, vha, 0x20ea,
1707                             "%s %d %8phC LoopID 0x%x in use with %06x. post gnl\n",
1708                             __func__, __LINE__, ea->fcport->port_name,
1709                             ea->fcport->loop_id, ea->fcport->d_id.b24);
1710
1711                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
1712                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1713                         ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1714                         ea->fcport->logout_on_delete = 1;
1715                         ea->fcport->send_els_logo = 0;
1716                         ea->fcport->fw_login_state = DSC_LS_PRLI_COMP;
1717                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1718
1719                         qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1720                 }
1721                 break;
1722         case MBS_COMMAND_ERROR:
1723                 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
1724                     __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
1725
1726                 ea->fcport->flags &= ~FCF_ASYNC_SENT;
1727                 ea->fcport->disc_state = DSC_LOGIN_FAILED;
1728                 if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED)
1729                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1730                 else
1731                         qla2x00_mark_device_lost(vha, ea->fcport, 1, 0);
1732                 break;
1733         case MBS_LOOP_ID_USED:
1734                 /* data[1] = IO PARAM 1 = nport ID  */
1735                 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
1736                 cid.b.area   = (ea->iop[1] >>  8) & 0xff;
1737                 cid.b.al_pa  = ea->iop[1] & 0xff;
1738                 cid.b.rsvd_1 = 0;
1739
1740                 ql_dbg(ql_dbg_disc, vha, 0x20ec,
1741                     "%s %d %8phC LoopID 0x%x in use post gnl\n",
1742                     __func__, __LINE__, ea->fcport->port_name,
1743                     ea->fcport->loop_id);
1744
1745                 if (IS_SW_RESV_ADDR(cid)) {
1746                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
1747                         ea->fcport->loop_id = FC_NO_LOOP_ID;
1748                 } else {
1749                         qla2x00_clear_loop_id(ea->fcport);
1750                 }
1751                 qla24xx_post_gnl_work(vha, ea->fcport);
1752                 break;
1753         case MBS_PORT_ID_USED:
1754                 ql_dbg(ql_dbg_disc, vha, 0x20ed,
1755                     "%s %d %8phC NPortId %02x%02x%02x inuse post gidpn\n",
1756                     __func__, __LINE__, ea->fcport->port_name,
1757                     ea->fcport->d_id.b.domain, ea->fcport->d_id.b.area,
1758                     ea->fcport->d_id.b.al_pa);
1759
1760                 lid = ea->iop[1] & 0xffff;
1761                 qlt_find_sess_invalidate_other(vha,
1762                     wwn_to_u64(ea->fcport->port_name),
1763                     ea->fcport->d_id, lid, &conflict_fcport);
1764
1765                 if (conflict_fcport) {
1766                         /*
1767                          * Another fcport share the same loop_id/nport id.
1768                          * Conflict fcport needs to finish cleanup before this
1769                          * fcport can proceed to login.
1770                          */
1771                         conflict_fcport->conflict = ea->fcport;
1772                         ea->fcport->login_pause = 1;
1773
1774                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
1775                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
1776                             __func__, __LINE__, ea->fcport->port_name,
1777                             ea->fcport->d_id.b24, lid);
1778                         qla2x00_clear_loop_id(ea->fcport);
1779                         qla24xx_post_gidpn_work(vha, ea->fcport);
1780                 } else {
1781                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
1782                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
1783                             __func__, __LINE__, ea->fcport->port_name,
1784                             ea->fcport->d_id.b24, lid);
1785
1786                         qla2x00_clear_loop_id(ea->fcport);
1787                         set_bit(lid, vha->hw->loop_id_map);
1788                         ea->fcport->loop_id = lid;
1789                         ea->fcport->keep_nport_handle = 0;
1790                         qlt_schedule_sess_for_deletion(ea->fcport);
1791                 }
1792                 break;
1793         }
1794         return;
1795 }
1796
1797 void
1798 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
1799     uint16_t *data)
1800 {
1801         qla2x00_mark_device_lost(vha, fcport, 1, 0);
1802         qlt_logo_completion_handler(fcport, data[0]);
1803         fcport->login_gen++;
1804         fcport->flags &= ~FCF_ASYNC_ACTIVE;
1805         return;
1806 }
1807
1808 void
1809 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
1810     uint16_t *data)
1811 {
1812         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1813         if (data[0] == MBS_COMMAND_COMPLETE) {
1814                 qla2x00_update_fcport(vha, fcport);
1815
1816                 return;
1817         }
1818
1819         /* Retry login. */
1820         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
1821                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1822         else
1823                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1824
1825         return;
1826 }
1827
1828 /****************************************************************************/
1829 /*                QLogic ISP2x00 Hardware Support Functions.                */
1830 /****************************************************************************/
1831
1832 static int
1833 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
1834 {
1835         int rval = QLA_SUCCESS;
1836         struct qla_hw_data *ha = vha->hw;
1837         uint32_t idc_major_ver, idc_minor_ver;
1838         uint16_t config[4];
1839
1840         qla83xx_idc_lock(vha, 0);
1841
1842         /* SV: TODO: Assign initialization timeout from
1843          * flash-info / other param
1844          */
1845         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
1846         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
1847
1848         /* Set our fcoe function presence */
1849         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
1850                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
1851                     "Error while setting DRV-Presence.\n");
1852                 rval = QLA_FUNCTION_FAILED;
1853                 goto exit;
1854         }
1855
1856         /* Decide the reset ownership */
1857         qla83xx_reset_ownership(vha);
1858
1859         /*
1860          * On first protocol driver load:
1861          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
1862          * register.
1863          * Others: Check compatibility with current IDC Major version.
1864          */
1865         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
1866         if (ha->flags.nic_core_reset_owner) {
1867                 /* Set IDC Major version */
1868                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
1869                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
1870
1871                 /* Clearing IDC-Lock-Recovery register */
1872                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
1873         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
1874                 /*
1875                  * Clear further IDC participation if we are not compatible with
1876                  * the current IDC Major Version.
1877                  */
1878                 ql_log(ql_log_warn, vha, 0xb07d,
1879                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
1880                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
1881                 __qla83xx_clear_drv_presence(vha);
1882                 rval = QLA_FUNCTION_FAILED;
1883                 goto exit;
1884         }
1885         /* Each function sets its supported Minor version. */
1886         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
1887         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
1888         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
1889
1890         if (ha->flags.nic_core_reset_owner) {
1891                 memset(config, 0, sizeof(config));
1892                 if (!qla81xx_get_port_config(vha, config))
1893                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
1894                             QLA8XXX_DEV_READY);
1895         }
1896
1897         rval = qla83xx_idc_state_handler(vha);
1898
1899 exit:
1900         qla83xx_idc_unlock(vha, 0);
1901
1902         return rval;
1903 }
1904
1905 /*
1906 * qla2x00_initialize_adapter
1907 *      Initialize board.
1908 *
1909 * Input:
1910 *      ha = adapter block pointer.
1911 *
1912 * Returns:
1913 *      0 = success
1914 */
1915 int
1916 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
1917 {
1918         int     rval;
1919         struct qla_hw_data *ha = vha->hw;
1920         struct req_que *req = ha->req_q_map[0];
1921
1922         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
1923         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1924
1925         /* Clear adapter flags. */
1926         vha->flags.online = 0;
1927         ha->flags.chip_reset_done = 0;
1928         vha->flags.reset_active = 0;
1929         ha->flags.pci_channel_io_perm_failure = 0;
1930         ha->flags.eeh_busy = 0;
1931         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1932         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1933         atomic_set(&vha->loop_state, LOOP_DOWN);
1934         vha->device_flags = DFLG_NO_CABLE;
1935         vha->dpc_flags = 0;
1936         vha->flags.management_server_logged_in = 0;
1937         vha->marker_needed = 0;
1938         ha->isp_abort_cnt = 0;
1939         ha->beacon_blink_led = 0;
1940
1941         set_bit(0, ha->req_qid_map);
1942         set_bit(0, ha->rsp_qid_map);
1943
1944         ql_dbg(ql_dbg_init, vha, 0x0040,
1945             "Configuring PCI space...\n");
1946         rval = ha->isp_ops->pci_config(vha);
1947         if (rval) {
1948                 ql_log(ql_log_warn, vha, 0x0044,
1949                     "Unable to configure PCI space.\n");
1950                 return (rval);
1951         }
1952
1953         ha->isp_ops->reset_chip(vha);
1954
1955         rval = qla2xxx_get_flash_info(vha);
1956         if (rval) {
1957                 ql_log(ql_log_fatal, vha, 0x004f,
1958                     "Unable to validate FLASH data.\n");
1959                 return rval;
1960         }
1961
1962         if (IS_QLA8044(ha)) {
1963                 qla8044_read_reset_template(vha);
1964
1965                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
1966                  * If DONRESET_BIT0 is set, drivers should not set dev_state
1967                  * to NEED_RESET. But if NEED_RESET is set, drivers should
1968                  * should honor the reset. */
1969                 if (ql2xdontresethba == 1)
1970                         qla8044_set_idc_dontreset(vha);
1971         }
1972
1973         ha->isp_ops->get_flash_version(vha, req->ring);
1974         ql_dbg(ql_dbg_init, vha, 0x0061,
1975             "Configure NVRAM parameters...\n");
1976
1977         ha->isp_ops->nvram_config(vha);
1978
1979         if (ha->flags.disable_serdes) {
1980                 /* Mask HBA via NVRAM settings? */
1981                 ql_log(ql_log_info, vha, 0x0077,
1982                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
1983                 return QLA_FUNCTION_FAILED;
1984         }
1985
1986         ql_dbg(ql_dbg_init, vha, 0x0078,
1987             "Verifying loaded RISC code...\n");
1988
1989         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
1990                 rval = ha->isp_ops->chip_diag(vha);
1991                 if (rval)
1992                         return (rval);
1993                 rval = qla2x00_setup_chip(vha);
1994                 if (rval)
1995                         return (rval);
1996         }
1997
1998         if (IS_QLA84XX(ha)) {
1999                 ha->cs84xx = qla84xx_get_chip(vha);
2000                 if (!ha->cs84xx) {
2001                         ql_log(ql_log_warn, vha, 0x00d0,
2002                             "Unable to configure ISP84XX.\n");
2003                         return QLA_FUNCTION_FAILED;
2004                 }
2005         }
2006
2007         if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2008                 rval = qla2x00_init_rings(vha);
2009
2010         ha->flags.chip_reset_done = 1;
2011
2012         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2013                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
2014                 rval = qla84xx_init_chip(vha);
2015                 if (rval != QLA_SUCCESS) {
2016                         ql_log(ql_log_warn, vha, 0x00d4,
2017                             "Unable to initialize ISP84XX.\n");
2018                         qla84xx_put_chip(vha);
2019                 }
2020         }
2021
2022         /* Load the NIC Core f/w if we are the first protocol driver. */
2023         if (IS_QLA8031(ha)) {
2024                 rval = qla83xx_nic_core_fw_load(vha);
2025                 if (rval)
2026                         ql_log(ql_log_warn, vha, 0x0124,
2027                             "Error in initializing NIC Core f/w.\n");
2028         }
2029
2030         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
2031                 qla24xx_read_fcp_prio_cfg(vha);
2032
2033         if (IS_P3P_TYPE(ha))
2034                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
2035         else
2036                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
2037
2038         return (rval);
2039 }
2040
2041 /**
2042  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2043  * @vha: HA context
2044  *
2045  * Returns 0 on success.
2046  */
2047 int
2048 qla2100_pci_config(scsi_qla_host_t *vha)
2049 {
2050         uint16_t w;
2051         unsigned long flags;
2052         struct qla_hw_data *ha = vha->hw;
2053         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2054
2055         pci_set_master(ha->pdev);
2056         pci_try_set_mwi(ha->pdev);
2057
2058         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2059         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2060         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2061
2062         pci_disable_rom(ha->pdev);
2063
2064         /* Get PCI bus information. */
2065         spin_lock_irqsave(&ha->hardware_lock, flags);
2066         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
2067         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2068
2069         return QLA_SUCCESS;
2070 }
2071
2072 /**
2073  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2074  * @vha: HA context
2075  *
2076  * Returns 0 on success.
2077  */
2078 int
2079 qla2300_pci_config(scsi_qla_host_t *vha)
2080 {
2081         uint16_t        w;
2082         unsigned long   flags = 0;
2083         uint32_t        cnt;
2084         struct qla_hw_data *ha = vha->hw;
2085         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2086
2087         pci_set_master(ha->pdev);
2088         pci_try_set_mwi(ha->pdev);
2089
2090         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2091         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2092
2093         if (IS_QLA2322(ha) || IS_QLA6322(ha))
2094                 w &= ~PCI_COMMAND_INTX_DISABLE;
2095         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2096
2097         /*
2098          * If this is a 2300 card and not 2312, reset the
2099          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
2100          * the 2310 also reports itself as a 2300 so we need to get the
2101          * fb revision level -- a 6 indicates it really is a 2300 and
2102          * not a 2310.
2103          */
2104         if (IS_QLA2300(ha)) {
2105                 spin_lock_irqsave(&ha->hardware_lock, flags);
2106
2107                 /* Pause RISC. */
2108                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2109                 for (cnt = 0; cnt < 30000; cnt++) {
2110                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2111                                 break;
2112
2113                         udelay(10);
2114                 }
2115
2116                 /* Select FPM registers. */
2117                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
2118                 RD_REG_WORD(&reg->ctrl_status);
2119
2120                 /* Get the fb rev level */
2121                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2122
2123                 if (ha->fb_rev == FPM_2300)
2124                         pci_clear_mwi(ha->pdev);
2125
2126                 /* Deselect FPM registers. */
2127                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
2128                 RD_REG_WORD(&reg->ctrl_status);
2129
2130                 /* Release RISC module. */
2131                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2132                 for (cnt = 0; cnt < 30000; cnt++) {
2133                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2134                                 break;
2135
2136                         udelay(10);
2137                 }
2138
2139                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2140         }
2141
2142         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2143
2144         pci_disable_rom(ha->pdev);
2145
2146         /* Get PCI bus information. */
2147         spin_lock_irqsave(&ha->hardware_lock, flags);
2148         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
2149         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2150
2151         return QLA_SUCCESS;
2152 }
2153
2154 /**
2155  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2156  * @vha: HA context
2157  *
2158  * Returns 0 on success.
2159  */
2160 int
2161 qla24xx_pci_config(scsi_qla_host_t *vha)
2162 {
2163         uint16_t w;
2164         unsigned long flags = 0;
2165         struct qla_hw_data *ha = vha->hw;
2166         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2167
2168         pci_set_master(ha->pdev);
2169         pci_try_set_mwi(ha->pdev);
2170
2171         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2172         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2173         w &= ~PCI_COMMAND_INTX_DISABLE;
2174         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2175
2176         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2177
2178         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
2179         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
2180                 pcix_set_mmrbc(ha->pdev, 2048);
2181
2182         /* PCIe -- adjust Maximum Read Request Size (2048). */
2183         if (pci_is_pcie(ha->pdev))
2184                 pcie_set_readrq(ha->pdev, 4096);
2185
2186         pci_disable_rom(ha->pdev);
2187
2188         ha->chip_revision = ha->pdev->revision;
2189
2190         /* Get PCI bus information. */
2191         spin_lock_irqsave(&ha->hardware_lock, flags);
2192         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
2193         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2194
2195         return QLA_SUCCESS;
2196 }
2197
2198 /**
2199  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
2200  * @vha: HA context
2201  *
2202  * Returns 0 on success.
2203  */
2204 int
2205 qla25xx_pci_config(scsi_qla_host_t *vha)
2206 {
2207         uint16_t w;
2208         struct qla_hw_data *ha = vha->hw;
2209
2210         pci_set_master(ha->pdev);
2211         pci_try_set_mwi(ha->pdev);
2212
2213         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2214         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2215         w &= ~PCI_COMMAND_INTX_DISABLE;
2216         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2217
2218         /* PCIe -- adjust Maximum Read Request Size (2048). */
2219         if (pci_is_pcie(ha->pdev))
2220                 pcie_set_readrq(ha->pdev, 4096);
2221
2222         pci_disable_rom(ha->pdev);
2223
2224         ha->chip_revision = ha->pdev->revision;
2225
2226         return QLA_SUCCESS;
2227 }
2228
2229 /**
2230  * qla2x00_isp_firmware() - Choose firmware image.
2231  * @vha: HA context
2232  *
2233  * Returns 0 on success.
2234  */
2235 static int
2236 qla2x00_isp_firmware(scsi_qla_host_t *vha)
2237 {
2238         int  rval;
2239         uint16_t loop_id, topo, sw_cap;
2240         uint8_t domain, area, al_pa;
2241         struct qla_hw_data *ha = vha->hw;
2242
2243         /* Assume loading risc code */
2244         rval = QLA_FUNCTION_FAILED;
2245
2246         if (ha->flags.disable_risc_code_load) {
2247                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
2248
2249                 /* Verify checksum of loaded RISC code. */
2250                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
2251                 if (rval == QLA_SUCCESS) {
2252                         /* And, verify we are not in ROM code. */
2253                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2254                             &area, &domain, &topo, &sw_cap);
2255                 }
2256         }
2257
2258         if (rval)
2259                 ql_dbg(ql_dbg_init, vha, 0x007a,
2260                     "**** Load RISC code ****.\n");
2261
2262         return (rval);
2263 }
2264
2265 /**
2266  * qla2x00_reset_chip() - Reset ISP chip.
2267  * @vha: HA context
2268  *
2269  * Returns 0 on success.
2270  */
2271 void
2272 qla2x00_reset_chip(scsi_qla_host_t *vha)
2273 {
2274         unsigned long   flags = 0;
2275         struct qla_hw_data *ha = vha->hw;
2276         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2277         uint32_t        cnt;
2278         uint16_t        cmd;
2279
2280         if (unlikely(pci_channel_offline(ha->pdev)))
2281                 return;
2282
2283         ha->isp_ops->disable_intrs(ha);
2284
2285         spin_lock_irqsave(&ha->hardware_lock, flags);
2286
2287         /* Turn off master enable */
2288         cmd = 0;
2289         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
2290         cmd &= ~PCI_COMMAND_MASTER;
2291         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2292
2293         if (!IS_QLA2100(ha)) {
2294                 /* Pause RISC. */
2295                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2296                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
2297                         for (cnt = 0; cnt < 30000; cnt++) {
2298                                 if ((RD_REG_WORD(&reg->hccr) &
2299                                     HCCR_RISC_PAUSE) != 0)
2300                                         break;
2301                                 udelay(100);
2302                         }
2303                 } else {
2304                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
2305                         udelay(10);
2306                 }
2307
2308                 /* Select FPM registers. */
2309                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
2310                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2311
2312                 /* FPM Soft Reset. */
2313                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
2314                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
2315
2316                 /* Toggle Fpm Reset. */
2317                 if (!IS_QLA2200(ha)) {
2318                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
2319                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
2320                 }
2321
2322                 /* Select frame buffer registers. */
2323                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
2324                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2325
2326                 /* Reset frame buffer FIFOs. */
2327                 if (IS_QLA2200(ha)) {
2328                         WRT_FB_CMD_REG(ha, reg, 0xa000);
2329                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
2330                 } else {
2331                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
2332
2333                         /* Read back fb_cmd until zero or 3 seconds max */
2334                         for (cnt = 0; cnt < 3000; cnt++) {
2335                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
2336                                         break;
2337                                 udelay(100);
2338                         }
2339                 }
2340
2341                 /* Select RISC module registers. */
2342                 WRT_REG_WORD(&reg->ctrl_status, 0);
2343                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2344
2345                 /* Reset RISC processor. */
2346                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2347                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2348
2349                 /* Release RISC processor. */
2350                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2351                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2352         }
2353
2354         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
2355         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
2356
2357         /* Reset ISP chip. */
2358         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2359
2360         /* Wait for RISC to recover from reset. */
2361         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2362                 /*
2363                  * It is necessary to for a delay here since the card doesn't
2364                  * respond to PCI reads during a reset. On some architectures
2365                  * this will result in an MCA.
2366                  */
2367                 udelay(20);
2368                 for (cnt = 30000; cnt; cnt--) {
2369                         if ((RD_REG_WORD(&reg->ctrl_status) &
2370                             CSR_ISP_SOFT_RESET) == 0)
2371                                 break;
2372                         udelay(100);
2373                 }
2374         } else
2375                 udelay(10);
2376
2377         /* Reset RISC processor. */
2378         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2379
2380         WRT_REG_WORD(&reg->semaphore, 0);
2381
2382         /* Release RISC processor. */
2383         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2384         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
2385
2386         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2387                 for (cnt = 0; cnt < 30000; cnt++) {
2388                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
2389                                 break;
2390
2391                         udelay(100);
2392                 }
2393         } else
2394                 udelay(100);
2395
2396         /* Turn on master enable */
2397         cmd |= PCI_COMMAND_MASTER;
2398         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2399
2400         /* Disable RISC pause on FPM parity error. */
2401         if (!IS_QLA2100(ha)) {
2402                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
2403                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2404         }
2405
2406         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2407 }
2408
2409 /**
2410  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2411  * @vha: HA context
2412  *
2413  * Returns 0 on success.
2414  */
2415 static int
2416 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2417 {
2418         uint16_t mb[4] = {0x1010, 0, 1, 0};
2419
2420         if (!IS_QLA81XX(vha->hw))
2421                 return QLA_SUCCESS;
2422
2423         return qla81xx_write_mpi_register(vha, mb);
2424 }
2425
2426 /**
2427  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2428  * @vha: HA context
2429  *
2430  * Returns 0 on success.
2431  */
2432 static inline int
2433 qla24xx_reset_risc(scsi_qla_host_t *vha)
2434 {
2435         unsigned long flags = 0;
2436         struct qla_hw_data *ha = vha->hw;
2437         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2438         uint32_t cnt;
2439         uint16_t wd;
2440         static int abts_cnt; /* ISP abort retry counts */
2441         int rval = QLA_SUCCESS;
2442
2443         spin_lock_irqsave(&ha->hardware_lock, flags);
2444
2445         /* Reset RISC. */
2446         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2447         for (cnt = 0; cnt < 30000; cnt++) {
2448                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
2449                         break;
2450
2451                 udelay(10);
2452         }
2453
2454         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
2455                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
2456
2457         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
2458             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
2459             RD_REG_DWORD(&reg->hccr),
2460             RD_REG_DWORD(&reg->ctrl_status),
2461             (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
2462
2463         WRT_REG_DWORD(&reg->ctrl_status,
2464             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2465         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2466
2467         udelay(100);
2468
2469         /* Wait for firmware to complete NVRAM accesses. */
2470         RD_REG_WORD(&reg->mailbox0);
2471         for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
2472             rval == QLA_SUCCESS; cnt--) {
2473                 barrier();
2474                 if (cnt)
2475                         udelay(5);
2476                 else
2477                         rval = QLA_FUNCTION_TIMEOUT;
2478         }
2479
2480         if (rval == QLA_SUCCESS)
2481                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
2482
2483         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
2484             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
2485             RD_REG_DWORD(&reg->hccr),
2486             RD_REG_DWORD(&reg->mailbox0));
2487
2488         /* Wait for soft-reset to complete. */
2489         RD_REG_DWORD(&reg->ctrl_status);
2490         for (cnt = 0; cnt < 60; cnt++) {
2491                 barrier();
2492                 if ((RD_REG_DWORD(&reg->ctrl_status) &
2493                     CSRX_ISP_SOFT_RESET) == 0)
2494                         break;
2495
2496                 udelay(5);
2497         }
2498         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
2499                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
2500
2501         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
2502             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
2503             RD_REG_DWORD(&reg->hccr),
2504             RD_REG_DWORD(&reg->ctrl_status));
2505
2506         /* If required, do an MPI FW reset now */
2507         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
2508                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
2509                         if (++abts_cnt < 5) {
2510                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2511                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
2512                         } else {
2513                                 /*
2514                                  * We exhausted the ISP abort retries. We have to
2515                                  * set the board offline.
2516                                  */
2517                                 abts_cnt = 0;
2518                                 vha->flags.online = 0;
2519                         }
2520                 }
2521         }
2522
2523         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
2524         RD_REG_DWORD(&reg->hccr);
2525
2526         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2527         RD_REG_DWORD(&reg->hccr);
2528
2529         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
2530         RD_REG_DWORD(&reg->hccr);
2531
2532         RD_REG_WORD(&reg->mailbox0);
2533         for (cnt = 60; RD_REG_WORD(&reg->mailbox0) != 0 &&
2534             rval == QLA_SUCCESS; cnt--) {
2535                 barrier();
2536                 if (cnt)
2537                         udelay(5);
2538                 else
2539                         rval = QLA_FUNCTION_TIMEOUT;
2540         }
2541         if (rval == QLA_SUCCESS)
2542                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2543
2544         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
2545             "Host Risc 0x%x, mailbox0 0x%x\n",
2546             RD_REG_DWORD(&reg->hccr),
2547              RD_REG_WORD(&reg->mailbox0));
2548
2549         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2550
2551         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
2552             "Driver in %s mode\n",
2553             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
2554
2555         if (IS_NOPOLLING_TYPE(ha))
2556                 ha->isp_ops->enable_intrs(ha);
2557
2558         return rval;
2559 }
2560
2561 static void
2562 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
2563 {
2564         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2565
2566         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2567         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
2568
2569 }
2570
2571 static void
2572 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
2573 {
2574         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2575
2576         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2577         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
2578 }
2579
2580 static void
2581 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
2582 {
2583         uint32_t wd32 = 0;
2584         uint delta_msec = 100;
2585         uint elapsed_msec = 0;
2586         uint timeout_msec;
2587         ulong n;
2588
2589         if (vha->hw->pdev->subsystem_device != 0x0175 &&
2590             vha->hw->pdev->subsystem_device != 0x0240)
2591                 return;
2592
2593         WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
2594         udelay(100);
2595
2596 attempt:
2597         timeout_msec = TIMEOUT_SEMAPHORE;
2598         n = timeout_msec / delta_msec;
2599         while (n--) {
2600                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
2601                 qla25xx_read_risc_sema_reg(vha, &wd32);
2602                 if (wd32 & RISC_SEMAPHORE)
2603                         break;
2604                 msleep(delta_msec);
2605                 elapsed_msec += delta_msec;
2606                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2607                         goto force;
2608         }
2609
2610         if (!(wd32 & RISC_SEMAPHORE))
2611                 goto force;
2612
2613         if (!(wd32 & RISC_SEMAPHORE_FORCE))
2614                 goto acquired;
2615
2616         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
2617         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
2618         n = timeout_msec / delta_msec;
2619         while (n--) {
2620                 qla25xx_read_risc_sema_reg(vha, &wd32);
2621                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
2622                         break;
2623                 msleep(delta_msec);
2624                 elapsed_msec += delta_msec;
2625                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2626                         goto force;
2627         }
2628
2629         if (wd32 & RISC_SEMAPHORE_FORCE)
2630                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
2631
2632         goto attempt;
2633
2634 force:
2635         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
2636
2637 acquired:
2638         return;
2639 }
2640
2641 /**
2642  * qla24xx_reset_chip() - Reset ISP24xx chip.
2643  * @vha: HA context
2644  *
2645  * Returns 0 on success.
2646  */
2647 void
2648 qla24xx_reset_chip(scsi_qla_host_t *vha)
2649 {
2650         struct qla_hw_data *ha = vha->hw;
2651
2652         if (pci_channel_offline(ha->pdev) &&
2653             ha->flags.pci_channel_io_perm_failure) {
2654                 return;
2655         }
2656
2657         ha->isp_ops->disable_intrs(ha);
2658
2659         qla25xx_manipulate_risc_semaphore(vha);
2660
2661         /* Perform RISC reset. */
2662         qla24xx_reset_risc(vha);
2663 }
2664
2665 /**
2666  * qla2x00_chip_diag() - Test chip for proper operation.
2667  * @vha: HA context
2668  *
2669  * Returns 0 on success.
2670  */
2671 int
2672 qla2x00_chip_diag(scsi_qla_host_t *vha)
2673 {
2674         int             rval;
2675         struct qla_hw_data *ha = vha->hw;
2676         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2677         unsigned long   flags = 0;
2678         uint16_t        data;
2679         uint32_t        cnt;
2680         uint16_t        mb[5];
2681         struct req_que *req = ha->req_q_map[0];
2682
2683         /* Assume a failed state */
2684         rval = QLA_FUNCTION_FAILED;
2685
2686         ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
2687                &reg->flash_address);
2688
2689         spin_lock_irqsave(&ha->hardware_lock, flags);
2690
2691         /* Reset ISP chip. */
2692         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2693
2694         /*
2695          * We need to have a delay here since the card will not respond while
2696          * in reset causing an MCA on some architectures.
2697          */
2698         udelay(20);
2699         data = qla2x00_debounce_register(&reg->ctrl_status);
2700         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
2701                 udelay(5);
2702                 data = RD_REG_WORD(&reg->ctrl_status);
2703                 barrier();
2704         }
2705
2706         if (!cnt)
2707                 goto chip_diag_failed;
2708
2709         ql_dbg(ql_dbg_init, vha, 0x007c,
2710             "Reset register cleared by chip reset.\n");
2711
2712         /* Reset RISC processor. */
2713         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2714         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2715
2716         /* Workaround for QLA2312 PCI parity error */
2717         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2718                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
2719                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
2720                         udelay(5);
2721                         data = RD_MAILBOX_REG(ha, reg, 0);
2722                         barrier();
2723                 }
2724         } else
2725                 udelay(10);
2726
2727         if (!cnt)
2728                 goto chip_diag_failed;
2729
2730         /* Check product ID of chip */
2731         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
2732
2733         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
2734         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
2735         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
2736         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
2737         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
2738             mb[3] != PROD_ID_3) {
2739                 ql_log(ql_log_warn, vha, 0x0062,
2740                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
2741                     mb[1], mb[2], mb[3]);
2742
2743                 goto chip_diag_failed;
2744         }
2745         ha->product_id[0] = mb[1];
2746         ha->product_id[1] = mb[2];
2747         ha->product_id[2] = mb[3];
2748         ha->product_id[3] = mb[4];
2749
2750         /* Adjust fw RISC transfer size */
2751         if (req->length > 1024)
2752                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
2753         else
2754                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
2755                     req->length;
2756
2757         if (IS_QLA2200(ha) &&
2758             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
2759                 /* Limit firmware transfer size with a 2200A */
2760                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
2761
2762                 ha->device_type |= DT_ISP2200A;
2763                 ha->fw_transfer_size = 128;
2764         }
2765
2766         /* Wrap Incoming Mailboxes Test. */
2767         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2768
2769         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
2770         rval = qla2x00_mbx_reg_test(vha);
2771         if (rval)
2772                 ql_log(ql_log_warn, vha, 0x0080,
2773                     "Failed mailbox send register test.\n");
2774         else
2775                 /* Flag a successful rval */
2776                 rval = QLA_SUCCESS;
2777         spin_lock_irqsave(&ha->hardware_lock, flags);
2778
2779 chip_diag_failed:
2780         if (rval)
2781                 ql_log(ql_log_info, vha, 0x0081,
2782                     "Chip diagnostics **** FAILED ****.\n");
2783
2784         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2785
2786         return (rval);
2787 }
2788
2789 /**
2790  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
2791  * @vha: HA context
2792  *
2793  * Returns 0 on success.
2794  */
2795 int
2796 qla24xx_chip_diag(scsi_qla_host_t *vha)
2797 {
2798         int rval;
2799         struct qla_hw_data *ha = vha->hw;
2800         struct req_que *req = ha->req_q_map[0];
2801
2802         if (IS_P3P_TYPE(ha))
2803                 return QLA_SUCCESS;
2804
2805         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
2806
2807         rval = qla2x00_mbx_reg_test(vha);
2808         if (rval) {
2809                 ql_log(ql_log_warn, vha, 0x0082,
2810                     "Failed mailbox send register test.\n");
2811         } else {
2812                 /* Flag a successful rval */
2813                 rval = QLA_SUCCESS;
2814         }
2815
2816         return rval;
2817 }
2818
2819 static void
2820 qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
2821 {
2822         int rval;
2823         dma_addr_t tc_dma;
2824         void *tc;
2825         struct qla_hw_data *ha = vha->hw;
2826
2827         if (ha->eft) {
2828                 ql_dbg(ql_dbg_init, vha, 0x00bd,
2829                     "%s: Offload Mem is already allocated.\n",
2830                     __func__);
2831                 return;
2832         }
2833
2834         if (IS_FWI2_CAPABLE(ha)) {
2835                 /* Allocate memory for Fibre Channel Event Buffer. */
2836                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2837                     !IS_QLA27XX(ha))
2838                         goto try_eft;
2839
2840                 if (ha->fce)
2841                         dma_free_coherent(&ha->pdev->dev,
2842                             FCE_SIZE, ha->fce, ha->fce_dma);
2843
2844                 /* Allocate memory for Fibre Channel Event Buffer. */
2845                 tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
2846                                          GFP_KERNEL);
2847                 if (!tc) {
2848                         ql_log(ql_log_warn, vha, 0x00be,
2849                             "Unable to allocate (%d KB) for FCE.\n",
2850                             FCE_SIZE / 1024);
2851                         goto try_eft;
2852                 }
2853
2854                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
2855                     ha->fce_mb, &ha->fce_bufs);
2856                 if (rval) {
2857                         ql_log(ql_log_warn, vha, 0x00bf,
2858                             "Unable to initialize FCE (%d).\n", rval);
2859                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
2860                             tc_dma);
2861                         ha->flags.fce_enabled = 0;
2862                         goto try_eft;
2863                 }
2864                 ql_dbg(ql_dbg_init, vha, 0x00c0,
2865                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
2866
2867                 ha->flags.fce_enabled = 1;
2868                 ha->fce_dma = tc_dma;
2869                 ha->fce = tc;
2870
2871 try_eft:
2872                 if (ha->eft)
2873                         dma_free_coherent(&ha->pdev->dev,
2874                             EFT_SIZE, ha->eft, ha->eft_dma);
2875
2876                 /* Allocate memory for Extended Trace Buffer. */
2877                 tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
2878                                          GFP_KERNEL);
2879                 if (!tc) {
2880                         ql_log(ql_log_warn, vha, 0x00c1,
2881                             "Unable to allocate (%d KB) for EFT.\n",
2882                             EFT_SIZE / 1024);
2883                         goto eft_err;
2884                 }
2885
2886                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
2887                 if (rval) {
2888                         ql_log(ql_log_warn, vha, 0x00c2,
2889                             "Unable to initialize EFT (%d).\n", rval);
2890                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
2891                             tc_dma);
2892                         goto eft_err;
2893                 }
2894                 ql_dbg(ql_dbg_init, vha, 0x00c3,
2895                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
2896
2897                 ha->eft_dma = tc_dma;
2898                 ha->eft = tc;
2899         }
2900
2901 eft_err:
2902         return;
2903 }
2904
2905 void
2906 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
2907 {
2908         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
2909             eft_size, fce_size, mq_size;
2910         struct qla_hw_data *ha = vha->hw;
2911         struct req_que *req = ha->req_q_map[0];
2912         struct rsp_que *rsp = ha->rsp_q_map[0];
2913         struct qla2xxx_fw_dump *fw_dump;
2914
2915         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
2916         req_q_size = rsp_q_size = 0;
2917
2918         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2919                 fixed_size = sizeof(struct qla2100_fw_dump);
2920         } else if (IS_QLA23XX(ha)) {
2921                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
2922                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
2923                     sizeof(uint16_t);
2924         } else if (IS_FWI2_CAPABLE(ha)) {
2925                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
2926                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
2927                 else if (IS_QLA81XX(ha))
2928                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
2929                 else if (IS_QLA25XX(ha))
2930                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
2931                 else
2932                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
2933
2934                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
2935                     sizeof(uint32_t);
2936                 if (ha->mqenable) {
2937                         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
2938                                 mq_size = sizeof(struct qla2xxx_mq_chain);
2939                         /*
2940                          * Allocate maximum buffer size for all queues.
2941                          * Resizing must be done at end-of-dump processing.
2942                          */
2943                         mq_size += ha->max_req_queues *
2944                             (req->length * sizeof(request_t));
2945                         mq_size += ha->max_rsp_queues *
2946                             (rsp->length * sizeof(response_t));
2947                 }
2948                 if (ha->tgt.atio_ring)
2949                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
2950                 /* Allocate memory for Fibre Channel Event Buffer. */
2951                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2952                     !IS_QLA27XX(ha))
2953                         goto try_eft;
2954
2955                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
2956 try_eft:
2957                 ql_dbg(ql_dbg_init, vha, 0x00c3,
2958                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
2959                 eft_size = EFT_SIZE;
2960         }
2961
2962         if (IS_QLA27XX(ha)) {
2963                 if (!ha->fw_dump_template) {
2964                         ql_log(ql_log_warn, vha, 0x00ba,
2965                             "Failed missing fwdump template\n");
2966                         return;
2967                 }
2968                 dump_size = qla27xx_fwdt_calculate_dump_size(vha);
2969                 ql_dbg(ql_dbg_init, vha, 0x00fa,
2970                     "-> allocating fwdump (%x bytes)...\n", dump_size);
2971                 goto allocate;
2972         }
2973
2974         req_q_size = req->length * sizeof(request_t);
2975         rsp_q_size = rsp->length * sizeof(response_t);
2976         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
2977         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
2978         ha->chain_offset = dump_size;
2979         dump_size += mq_size + fce_size;
2980
2981         if (ha->exchoffld_buf)
2982                 dump_size += sizeof(struct qla2xxx_offld_chain) +
2983                         ha->exchoffld_size;
2984         if (ha->exlogin_buf)
2985                 dump_size += sizeof(struct qla2xxx_offld_chain) +
2986                         ha->exlogin_size;
2987
2988 allocate:
2989         if (!ha->fw_dump_len || dump_size != ha->fw_dump_len) {
2990                 fw_dump = vmalloc(dump_size);
2991                 if (!fw_dump) {
2992                         ql_log(ql_log_warn, vha, 0x00c4,
2993                             "Unable to allocate (%d KB) for firmware dump.\n",
2994                             dump_size / 1024);
2995                 } else {
2996                         if (ha->fw_dump)
2997                                 vfree(ha->fw_dump);
2998                         ha->fw_dump = fw_dump;
2999
3000                         ha->fw_dump_len = dump_size;
3001                         ql_dbg(ql_dbg_init, vha, 0x00c5,
3002                             "Allocated (%d KB) for firmware dump.\n",
3003                             dump_size / 1024);
3004
3005                         if (IS_QLA27XX(ha))
3006                                 return;
3007
3008                         ha->fw_dump->signature[0] = 'Q';
3009                         ha->fw_dump->signature[1] = 'L';
3010                         ha->fw_dump->signature[2] = 'G';
3011                         ha->fw_dump->signature[3] = 'C';
3012                         ha->fw_dump->version = htonl(1);
3013
3014                         ha->fw_dump->fixed_size = htonl(fixed_size);
3015                         ha->fw_dump->mem_size = htonl(mem_size);
3016                         ha->fw_dump->req_q_size = htonl(req_q_size);
3017                         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3018
3019                         ha->fw_dump->eft_size = htonl(eft_size);
3020                         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
3021                         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
3022
3023                         ha->fw_dump->header_size =
3024                                 htonl(offsetof(struct qla2xxx_fw_dump, isp));
3025                 }
3026         }
3027 }
3028
3029 static int
3030 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3031 {
3032 #define MPS_MASK        0xe0
3033         int rval;
3034         uint16_t dc;
3035         uint32_t dw;
3036
3037         if (!IS_QLA81XX(vha->hw))
3038                 return QLA_SUCCESS;
3039
3040         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3041         if (rval != QLA_SUCCESS) {
3042                 ql_log(ql_log_warn, vha, 0x0105,
3043                     "Unable to acquire semaphore.\n");
3044                 goto done;
3045         }
3046
3047         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3048         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3049         if (rval != QLA_SUCCESS) {
3050                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3051                 goto done_release;
3052         }
3053
3054         dc &= MPS_MASK;
3055         if (dc == (dw & MPS_MASK))
3056                 goto done_release;
3057
3058         dw &= ~MPS_MASK;
3059         dw |= dc;
3060         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3061         if (rval != QLA_SUCCESS) {
3062                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3063         }
3064
3065 done_release:
3066         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3067         if (rval != QLA_SUCCESS) {
3068                 ql_log(ql_log_warn, vha, 0x006d,
3069                     "Unable to release semaphore.\n");
3070         }
3071
3072 done:
3073         return rval;
3074 }
3075
3076 int
3077 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3078 {
3079         /* Don't try to reallocate the array */
3080         if (req->outstanding_cmds)
3081                 return QLA_SUCCESS;
3082
3083         if (!IS_FWI2_CAPABLE(ha))
3084                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
3085         else {
3086                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
3087                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3088                 else
3089                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3090         }
3091
3092         req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3093                                         sizeof(srb_t *),
3094                                         GFP_KERNEL);
3095
3096         if (!req->outstanding_cmds) {
3097                 /*
3098                  * Try to allocate a minimal size just so we can get through
3099                  * initialization.
3100                  */
3101                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3102                 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3103                                                 sizeof(srb_t *),
3104                                                 GFP_KERNEL);
3105
3106                 if (!req->outstanding_cmds) {
3107                         ql_log(ql_log_fatal, NULL, 0x0126,
3108                             "Failed to allocate memory for "
3109                             "outstanding_cmds for req_que %p.\n", req);
3110                         req->num_outstanding_cmds = 0;
3111                         return QLA_FUNCTION_FAILED;
3112                 }
3113         }
3114
3115         return QLA_SUCCESS;
3116 }
3117
3118 #define PRINT_FIELD(_field, _flag, _str) {              \
3119         if (a0->_field & _flag) {\
3120                 if (p) {\
3121                         strcat(ptr, "|");\
3122                         ptr++;\
3123                         leftover--;\
3124                 } \
3125                 len = snprintf(ptr, leftover, "%s", _str);      \
3126                 p = 1;\
3127                 leftover -= len;\
3128                 ptr += len; \
3129         } \
3130 }
3131
3132 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
3133 {
3134 #define STR_LEN 64
3135         struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
3136         u8 str[STR_LEN], *ptr, p;
3137         int leftover, len;
3138
3139         memset(str, 0, STR_LEN);
3140         snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
3141         ql_dbg(ql_dbg_init, vha, 0x015a,
3142             "SFP MFG Name: %s\n", str);
3143
3144         memset(str, 0, STR_LEN);
3145         snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
3146         ql_dbg(ql_dbg_init, vha, 0x015c,
3147             "SFP Part Name: %s\n", str);
3148
3149         /* media */
3150         memset(str, 0, STR_LEN);
3151         ptr = str;
3152         leftover = STR_LEN;
3153         p = len = 0;
3154         PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
3155         PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
3156         PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
3157         PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
3158         PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
3159         PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
3160         PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
3161         ql_dbg(ql_dbg_init, vha, 0x0160,
3162             "SFP Media: %s\n", str);
3163
3164         /* link length */
3165         memset(str, 0, STR_LEN);
3166         ptr = str;
3167         leftover = STR_LEN;
3168         p = len = 0;
3169         PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
3170         PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
3171         PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
3172         PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
3173         PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
3174         ql_dbg(ql_dbg_init, vha, 0x0196,
3175             "SFP Link Length: %s\n", str);
3176
3177         memset(str, 0, STR_LEN);
3178         ptr = str;
3179         leftover = STR_LEN;
3180         p = len = 0;
3181         PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
3182         PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
3183         PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
3184         PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
3185         PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
3186         ql_dbg(ql_dbg_init, vha, 0x016e,
3187             "SFP FC Link Tech: %s\n", str);
3188
3189         if (a0->length_km)
3190                 ql_dbg(ql_dbg_init, vha, 0x016f,
3191                     "SFP Distant: %d km\n", a0->length_km);
3192         if (a0->length_100m)
3193                 ql_dbg(ql_dbg_init, vha, 0x0170,
3194                     "SFP Distant: %d m\n", a0->length_100m*100);
3195         if (a0->length_50um_10m)
3196                 ql_dbg(ql_dbg_init, vha, 0x0189,
3197                     "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
3198         if (a0->length_62um_10m)
3199                 ql_dbg(ql_dbg_init, vha, 0x018a,
3200                   "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
3201         if (a0->length_om4_10m)
3202                 ql_dbg(ql_dbg_init, vha, 0x0194,
3203                     "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
3204         if (a0->length_om3_10m)
3205                 ql_dbg(ql_dbg_init, vha, 0x0195,
3206                     "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
3207 }
3208
3209
3210 /*
3211  * Return Code:
3212  *   QLA_SUCCESS: no action
3213  *   QLA_INTERFACE_ERROR: SFP is not there.
3214  *   QLA_FUNCTION_FAILED: detected New SFP
3215  */
3216 int
3217 qla24xx_detect_sfp(scsi_qla_host_t *vha)
3218 {
3219         int rc = QLA_SUCCESS;
3220         struct sff_8247_a0 *a;
3221         struct qla_hw_data *ha = vha->hw;
3222
3223         if (!AUTO_DETECT_SFP_SUPPORT(vha))
3224                 goto out;
3225
3226         rc = qla2x00_read_sfp_dev(vha, NULL, 0);
3227         if (rc)
3228                 goto out;
3229
3230         a = (struct sff_8247_a0 *)vha->hw->sfp_data;
3231         qla2xxx_print_sfp_info(vha);
3232
3233         if (a->fc_ll_cc7 & FC_LL_VL || a->fc_ll_cc7 & FC_LL_L) {
3234                 /* long range */
3235                 ha->flags.detected_lr_sfp = 1;
3236
3237                 if (a->length_km > 5 || a->length_100m > 50)
3238                         ha->long_range_distance = LR_DISTANCE_10K;
3239                 else
3240                         ha->long_range_distance = LR_DISTANCE_5K;
3241
3242                 if (ha->flags.detected_lr_sfp != ha->flags.using_lr_setting)
3243                         ql_dbg(ql_dbg_async, vha, 0x507b,
3244                             "Detected Long Range SFP.\n");
3245         } else {
3246                 /* short range */
3247                 ha->flags.detected_lr_sfp = 0;
3248                 if (ha->flags.using_lr_setting)
3249                         ql_dbg(ql_dbg_async, vha, 0x5084,
3250                             "Detected Short Range SFP.\n");
3251         }
3252
3253         if (!vha->flags.init_done)
3254                 rc = QLA_SUCCESS;
3255 out:
3256         return rc;
3257 }
3258
3259 /**
3260  * qla2x00_setup_chip() - Load and start RISC firmware.
3261  * @vha: HA context
3262  *
3263  * Returns 0 on success.
3264  */
3265 static int
3266 qla2x00_setup_chip(scsi_qla_host_t *vha)
3267 {
3268         int rval;
3269         uint32_t srisc_address = 0;
3270         struct qla_hw_data *ha = vha->hw;
3271         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3272         unsigned long flags;
3273         uint16_t fw_major_version;
3274
3275         if (IS_P3P_TYPE(ha)) {
3276                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
3277                 if (rval == QLA_SUCCESS) {
3278                         qla2x00_stop_firmware(vha);
3279                         goto enable_82xx_npiv;
3280                 } else
3281                         goto failed;
3282         }
3283
3284         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3285                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
3286                 spin_lock_irqsave(&ha->hardware_lock, flags);
3287                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
3288                 RD_REG_WORD(&reg->hccr);
3289                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3290         }
3291
3292         qla81xx_mpi_sync(vha);
3293
3294         /* Load firmware sequences */
3295         rval = ha->isp_ops->load_risc(vha, &srisc_address);
3296         if (rval == QLA_SUCCESS) {
3297                 ql_dbg(ql_dbg_init, vha, 0x00c9,
3298                     "Verifying Checksum of loaded RISC code.\n");
3299
3300                 rval = qla2x00_verify_checksum(vha, srisc_address);
3301                 if (rval == QLA_SUCCESS) {
3302                         /* Start firmware execution. */
3303                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3304                             "Starting firmware.\n");
3305
3306                         if (ql2xexlogins)
3307                                 ha->flags.exlogins_enabled = 1;
3308
3309                         if (qla_is_exch_offld_enabled(vha))
3310                                 ha->flags.exchoffld_enabled = 1;
3311
3312                         rval = qla2x00_execute_fw(vha, srisc_address);
3313                         /* Retrieve firmware information. */
3314                         if (rval == QLA_SUCCESS) {
3315                                 qla24xx_detect_sfp(vha);
3316
3317                                 rval = qla2x00_set_exlogins_buffer(vha);
3318                                 if (rval != QLA_SUCCESS)
3319                                         goto failed;
3320
3321                                 rval = qla2x00_set_exchoffld_buffer(vha);
3322                                 if (rval != QLA_SUCCESS)
3323                                         goto failed;
3324
3325 enable_82xx_npiv:
3326                                 fw_major_version = ha->fw_major_version;
3327                                 if (IS_P3P_TYPE(ha))
3328                                         qla82xx_check_md_needed(vha);
3329                                 else
3330                                         rval = qla2x00_get_fw_version(vha);
3331                                 if (rval != QLA_SUCCESS)
3332                                         goto failed;
3333                                 ha->flags.npiv_supported = 0;
3334                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
3335                                          (ha->fw_attributes & BIT_2)) {
3336                                         ha->flags.npiv_supported = 1;
3337                                         if ((!ha->max_npiv_vports) ||
3338                                             ((ha->max_npiv_vports + 1) %
3339                                             MIN_MULTI_ID_FABRIC))
3340                                                 ha->max_npiv_vports =
3341                                                     MIN_MULTI_ID_FABRIC - 1;
3342                                 }
3343                                 qla2x00_get_resource_cnts(vha);
3344
3345                                 /*
3346                                  * Allocate the array of outstanding commands
3347                                  * now that we know the firmware resources.
3348                                  */
3349                                 rval = qla2x00_alloc_outstanding_cmds(ha,
3350                                     vha->req);
3351                                 if (rval != QLA_SUCCESS)
3352                                         goto failed;
3353
3354                                 if (!fw_major_version && !(IS_P3P_TYPE(ha)))
3355                                         qla2x00_alloc_offload_mem(vha);
3356
3357                                 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
3358                                         qla2x00_alloc_fw_dump(vha);
3359
3360                         } else {
3361                                 goto failed;
3362                         }
3363                 } else {
3364                         ql_log(ql_log_fatal, vha, 0x00cd,
3365                             "ISP Firmware failed checksum.\n");
3366                         goto failed;
3367                 }
3368         } else
3369                 goto failed;
3370
3371         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3372                 /* Enable proper parity. */
3373                 spin_lock_irqsave(&ha->hardware_lock, flags);
3374                 if (IS_QLA2300(ha))
3375                         /* SRAM parity */
3376                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
3377                 else
3378                         /* SRAM, Instruction RAM and GP RAM parity */
3379                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
3380                 RD_REG_WORD(&reg->hccr);
3381                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3382         }
3383
3384         if (IS_QLA27XX(ha))
3385                 ha->flags.fac_supported = 1;
3386         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
3387                 uint32_t size;
3388
3389                 rval = qla81xx_fac_get_sector_size(vha, &size);
3390                 if (rval == QLA_SUCCESS) {
3391                         ha->flags.fac_supported = 1;
3392                         ha->fdt_block_size = size << 2;
3393                 } else {
3394                         ql_log(ql_log_warn, vha, 0x00ce,
3395                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
3396                             ha->fw_major_version, ha->fw_minor_version,
3397                             ha->fw_subminor_version);
3398
3399                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3400                                 ha->flags.fac_supported = 0;
3401                                 rval = QLA_SUCCESS;
3402                         }
3403                 }
3404         }
3405 failed:
3406         if (rval) {
3407                 ql_log(ql_log_fatal, vha, 0x00cf,
3408                     "Setup chip ****FAILED****.\n");
3409         }
3410
3411         return (rval);
3412 }
3413
3414 /**
3415  * qla2x00_init_response_q_entries() - Initializes response queue entries.
3416  * @rsp: response queue
3417  *
3418  * Beginning of request ring has initialization control block already built
3419  * by nvram config routine.
3420  *
3421  * Returns 0 on success.
3422  */
3423 void
3424 qla2x00_init_response_q_entries(struct rsp_que *rsp)
3425 {
3426         uint16_t cnt;
3427         response_t *pkt;
3428
3429         rsp->ring_ptr = rsp->ring;
3430         rsp->ring_index    = 0;
3431         rsp->status_srb = NULL;
3432         pkt = rsp->ring_ptr;
3433         for (cnt = 0; cnt < rsp->length; cnt++) {
3434                 pkt->signature = RESPONSE_PROCESSED;
3435                 pkt++;
3436         }
3437 }
3438
3439 /**
3440  * qla2x00_update_fw_options() - Read and process firmware options.
3441  * @vha: HA context
3442  *
3443  * Returns 0 on success.
3444  */
3445 void
3446 qla2x00_update_fw_options(scsi_qla_host_t *vha)
3447 {
3448         uint16_t swing, emphasis, tx_sens, rx_sens;
3449         struct qla_hw_data *ha = vha->hw;
3450
3451         memset(ha->fw_options, 0, sizeof(ha->fw_options));
3452         qla2x00_get_fw_options(vha, ha->fw_options);
3453
3454         if (IS_QLA2100(ha) || IS_QLA2200(ha))
3455                 return;
3456
3457         /* Serial Link options. */
3458         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
3459             "Serial link options.\n");
3460         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
3461             (uint8_t *)&ha->fw_seriallink_options,
3462             sizeof(ha->fw_seriallink_options));
3463
3464         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
3465         if (ha->fw_seriallink_options[3] & BIT_2) {
3466                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
3467
3468                 /*  1G settings */
3469                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
3470                 emphasis = (ha->fw_seriallink_options[2] &
3471                     (BIT_4 | BIT_3)) >> 3;
3472                 tx_sens = ha->fw_seriallink_options[0] &
3473                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3474                 rx_sens = (ha->fw_seriallink_options[0] &
3475                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3476                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
3477                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3478                         if (rx_sens == 0x0)
3479                                 rx_sens = 0x3;
3480                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
3481                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3482                         ha->fw_options[10] |= BIT_5 |
3483                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3484                             (tx_sens & (BIT_1 | BIT_0));
3485
3486                 /*  2G settings */
3487                 swing = (ha->fw_seriallink_options[2] &
3488                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
3489                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
3490                 tx_sens = ha->fw_seriallink_options[1] &
3491                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3492                 rx_sens = (ha->fw_seriallink_options[1] &
3493                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3494                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
3495                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3496                         if (rx_sens == 0x0)
3497                                 rx_sens = 0x3;
3498                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
3499                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3500                         ha->fw_options[11] |= BIT_5 |
3501                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3502                             (tx_sens & (BIT_1 | BIT_0));
3503         }
3504
3505         /* FCP2 options. */
3506         /*  Return command IOCBs without waiting for an ABTS to complete. */
3507         ha->fw_options[3] |= BIT_13;
3508
3509         /* LED scheme. */
3510         if (ha->flags.enable_led_scheme)
3511                 ha->fw_options[2] |= BIT_12;
3512
3513         /* Detect ISP6312. */
3514         if (IS_QLA6312(ha))
3515                 ha->fw_options[2] |= BIT_13;
3516
3517         /* Set Retry FLOGI in case of P2P connection */
3518         if (ha->operating_mode == P2P) {
3519                 ha->fw_options[2] |= BIT_3;
3520                 ql_dbg(ql_dbg_disc, vha, 0x2100,
3521                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3522                         __func__, ha->fw_options[2]);
3523         }
3524
3525         /* Update firmware options. */
3526         qla2x00_set_fw_options(vha, ha->fw_options);
3527 }
3528
3529 void
3530 qla24xx_update_fw_options(scsi_qla_host_t *vha)
3531 {
3532         int rval;
3533         struct qla_hw_data *ha = vha->hw;
3534
3535         if (IS_P3P_TYPE(ha))
3536                 return;
3537
3538         /*  Hold status IOCBs until ABTS response received. */
3539         if (ql2xfwholdabts)
3540                 ha->fw_options[3] |= BIT_12;
3541
3542         /* Set Retry FLOGI in case of P2P connection */
3543         if (ha->operating_mode == P2P) {
3544                 ha->fw_options[2] |= BIT_3;
3545                 ql_dbg(ql_dbg_disc, vha, 0x2101,
3546                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3547                         __func__, ha->fw_options[2]);
3548         }
3549
3550         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
3551         if (ql2xmvasynctoatio &&
3552             (IS_QLA83XX(ha) || IS_QLA27XX(ha))) {
3553                 if (qla_tgt_mode_enabled(vha) ||
3554                     qla_dual_mode_enabled(vha))
3555                         ha->fw_options[2] |= BIT_11;
3556                 else
3557                         ha->fw_options[2] &= ~BIT_11;
3558         }
3559
3560         if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3561                 /*
3562                  * Tell FW to track each exchange to prevent
3563                  * driver from using stale exchange.
3564                  */
3565                 if (qla_tgt_mode_enabled(vha) ||
3566                     qla_dual_mode_enabled(vha))
3567                         ha->fw_options[2] |= BIT_4;
3568                 else
3569                         ha->fw_options[2] &= ~BIT_4;
3570
3571                 /* Reserve 1/2 of emergency exchanges for ELS.*/
3572                 if (qla2xuseresexchforels)
3573                         ha->fw_options[2] |= BIT_8;
3574                 else
3575                         ha->fw_options[2] &= ~BIT_8;
3576         }
3577
3578         ql_dbg(ql_dbg_init, vha, 0x00e8,
3579             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
3580             __func__, ha->fw_options[1], ha->fw_options[2],
3581             ha->fw_options[3], vha->host->active_mode);
3582
3583         if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
3584                 qla2x00_set_fw_options(vha, ha->fw_options);
3585
3586         /* Update Serial Link options. */
3587         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
3588                 return;
3589
3590         rval = qla2x00_set_serdes_params(vha,
3591             le16_to_cpu(ha->fw_seriallink_options24[1]),
3592             le16_to_cpu(ha->fw_seriallink_options24[2]),
3593             le16_to_cpu(ha->fw_seriallink_options24[3]));
3594         if (rval != QLA_SUCCESS) {
3595                 ql_log(ql_log_warn, vha, 0x0104,
3596                     "Unable to update Serial Link options (%x).\n", rval);
3597         }
3598 }
3599
3600 void
3601 qla2x00_config_rings(struct scsi_qla_host *vha)
3602 {
3603         struct qla_hw_data *ha = vha->hw;
3604         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3605         struct req_que *req = ha->req_q_map[0];
3606         struct rsp_que *rsp = ha->rsp_q_map[0];
3607
3608         /* Setup ring parameters in initialization control block. */
3609         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
3610         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
3611         ha->init_cb->request_q_length = cpu_to_le16(req->length);
3612         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
3613         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3614         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3615         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3616         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3617
3618         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
3619         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
3620         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
3621         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
3622         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
3623 }
3624
3625 void
3626 qla24xx_config_rings(struct scsi_qla_host *vha)
3627 {
3628         struct qla_hw_data *ha = vha->hw;
3629         device_reg_t *reg = ISP_QUE_REG(ha, 0);
3630         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
3631         struct qla_msix_entry *msix;
3632         struct init_cb_24xx *icb;
3633         uint16_t rid = 0;
3634         struct req_que *req = ha->req_q_map[0];
3635         struct rsp_que *rsp = ha->rsp_q_map[0];
3636
3637         /* Setup ring parameters in initialization control block. */
3638         icb = (struct init_cb_24xx *)ha->init_cb;
3639         icb->request_q_outpointer = cpu_to_le16(0);
3640         icb->response_q_inpointer = cpu_to_le16(0);
3641         icb->request_q_length = cpu_to_le16(req->length);
3642         icb->response_q_length = cpu_to_le16(rsp->length);
3643         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3644         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3645         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3646         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3647
3648         /* Setup ATIO queue dma pointers for target mode */
3649         icb->atio_q_inpointer = cpu_to_le16(0);
3650         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
3651         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
3652         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
3653
3654         if (IS_SHADOW_REG_CAPABLE(ha))
3655                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
3656
3657         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3658                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
3659                 icb->rid = cpu_to_le16(rid);
3660                 if (ha->flags.msix_enabled) {
3661                         msix = &ha->msix_entries[1];
3662                         ql_dbg(ql_dbg_init, vha, 0x0019,
3663                             "Registering vector 0x%x for base que.\n",
3664                             msix->entry);
3665                         icb->msix = cpu_to_le16(msix->entry);
3666                 }
3667                 /* Use alternate PCI bus number */
3668                 if (MSB(rid))
3669                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
3670                 /* Use alternate PCI devfn */
3671                 if (LSB(rid))
3672                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
3673
3674                 /* Use Disable MSIX Handshake mode for capable adapters */
3675                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
3676                     (ha->flags.msix_enabled)) {
3677                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
3678                         ha->flags.disable_msix_handshake = 1;
3679                         ql_dbg(ql_dbg_init, vha, 0x00fe,
3680                             "MSIX Handshake Disable Mode turned on.\n");
3681                 } else {
3682                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
3683                 }
3684                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
3685
3686                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
3687                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
3688                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
3689                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
3690         } else {
3691                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
3692                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
3693                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
3694                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
3695         }
3696         qlt_24xx_config_rings(vha);
3697
3698         /* PCI posting */
3699         RD_REG_DWORD(&ioreg->hccr);
3700 }
3701
3702 /**
3703  * qla2x00_init_rings() - Initializes firmware.
3704  * @vha: HA context
3705  *
3706  * Beginning of request ring has initialization control block already built
3707  * by nvram config routine.
3708  *
3709  * Returns 0 on success.
3710  */
3711 int
3712 qla2x00_init_rings(scsi_qla_host_t *vha)
3713 {
3714         int     rval;
3715         unsigned long flags = 0;
3716         int cnt, que;
3717         struct qla_hw_data *ha = vha->hw;
3718         struct req_que *req;
3719         struct rsp_que *rsp;
3720         struct mid_init_cb_24xx *mid_init_cb =
3721             (struct mid_init_cb_24xx *) ha->init_cb;
3722
3723         spin_lock_irqsave(&ha->hardware_lock, flags);
3724
3725         /* Clear outstanding commands array. */
3726         for (que = 0; que < ha->max_req_queues; que++) {
3727                 req = ha->req_q_map[que];
3728                 if (!req || !test_bit(que, ha->req_qid_map))
3729                         continue;
3730                 req->out_ptr = (void *)(req->ring + req->length);
3731                 *req->out_ptr = 0;
3732                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
3733                         req->outstanding_cmds[cnt] = NULL;
3734
3735                 req->current_outstanding_cmd = 1;
3736
3737                 /* Initialize firmware. */
3738                 req->ring_ptr  = req->ring;
3739                 req->ring_index    = 0;
3740                 req->cnt      = req->length;
3741         }
3742
3743         for (que = 0; que < ha->max_rsp_queues; que++) {
3744                 rsp = ha->rsp_q_map[que];
3745                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
3746                         continue;
3747                 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
3748                 *rsp->in_ptr = 0;
3749                 /* Initialize response queue entries */
3750                 if (IS_QLAFX00(ha))
3751                         qlafx00_init_response_q_entries(rsp);
3752                 else
3753                         qla2x00_init_response_q_entries(rsp);
3754         }
3755
3756         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
3757         ha->tgt.atio_ring_index = 0;
3758         /* Initialize ATIO queue entries */
3759         qlt_init_atio_q_entries(vha);
3760
3761         ha->isp_ops->config_rings(vha);
3762
3763         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3764
3765         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
3766
3767         if (IS_QLAFX00(ha)) {
3768                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
3769                 goto next_check;
3770         }
3771
3772         /* Update any ISP specific firmware options before initialization. */
3773         ha->isp_ops->update_fw_options(vha);
3774
3775         if (ha->flags.npiv_supported) {
3776                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
3777                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
3778                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
3779         }
3780
3781         if (IS_FWI2_CAPABLE(ha)) {
3782                 mid_init_cb->options = cpu_to_le16(BIT_1);
3783                 mid_init_cb->init_cb.execution_throttle =
3784                     cpu_to_le16(ha->cur_fw_xcb_count);
3785                 ha->flags.dport_enabled =
3786                     (mid_init_cb->init_cb.firmware_options_1 & BIT_7) != 0;
3787                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
3788                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
3789                 /* FA-WWPN Status */
3790                 ha->flags.fawwpn_enabled =
3791                     (mid_init_cb->init_cb.firmware_options_1 & BIT_6) != 0;
3792                 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
3793                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
3794         }
3795
3796         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
3797 next_check:
3798         if (rval) {
3799                 ql_log(ql_log_fatal, vha, 0x00d2,
3800                     "Init Firmware **** FAILED ****.\n");
3801         } else {
3802                 ql_dbg(ql_dbg_init, vha, 0x00d3,
3803                     "Init Firmware -- success.\n");
3804                 QLA_FW_STARTED(ha);
3805         }
3806
3807         return (rval);
3808 }
3809
3810 /**
3811  * qla2x00_fw_ready() - Waits for firmware ready.
3812  * @vha: HA context
3813  *
3814  * Returns 0 on success.
3815  */
3816 static int
3817 qla2x00_fw_ready(scsi_qla_host_t *vha)
3818 {
3819         int             rval;
3820         unsigned long   wtime, mtime, cs84xx_time;
3821         uint16_t        min_wait;       /* Minimum wait time if loop is down */
3822         uint16_t        wait_time;      /* Wait time if loop is coming ready */
3823         uint16_t        state[6];
3824         struct qla_hw_data *ha = vha->hw;
3825
3826         if (IS_QLAFX00(vha->hw))
3827                 return qlafx00_fw_ready(vha);
3828
3829         rval = QLA_SUCCESS;
3830
3831         /* Time to wait for loop down */
3832         if (IS_P3P_TYPE(ha))
3833                 min_wait = 30;
3834         else
3835                 min_wait = 20;
3836
3837         /*
3838          * Firmware should take at most one RATOV to login, plus 5 seconds for
3839          * our own processing.
3840          */
3841         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
3842                 wait_time = min_wait;
3843         }
3844
3845         /* Min wait time if loop down */
3846         mtime = jiffies + (min_wait * HZ);
3847
3848         /* wait time before firmware ready */
3849         wtime = jiffies + (wait_time * HZ);
3850
3851         /* Wait for ISP to finish LIP */
3852         if (!vha->flags.init_done)
3853                 ql_log(ql_log_info, vha, 0x801e,
3854                     "Waiting for LIP to complete.\n");
3855
3856         do {
3857                 memset(state, -1, sizeof(state));
3858                 rval = qla2x00_get_firmware_state(vha, state);
3859                 if (rval == QLA_SUCCESS) {
3860                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
3861                                 vha->device_flags &= ~DFLG_NO_CABLE;
3862                         }
3863                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
3864                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
3865                                     "fw_state=%x 84xx=%x.\n", state[0],
3866                                     state[2]);
3867                                 if ((state[2] & FSTATE_LOGGED_IN) &&
3868                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
3869                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
3870                                             "Sending verify iocb.\n");
3871
3872                                         cs84xx_time = jiffies;
3873                                         rval = qla84xx_init_chip(vha);
3874                                         if (rval != QLA_SUCCESS) {
3875                                                 ql_log(ql_log_warn,
3876                                                     vha, 0x8007,
3877                                                     "Init chip failed.\n");
3878                                                 break;
3879                                         }
3880
3881                                         /* Add time taken to initialize. */
3882                                         cs84xx_time = jiffies - cs84xx_time;
3883                                         wtime += cs84xx_time;
3884                                         mtime += cs84xx_time;
3885                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
3886                                             "Increasing wait time by %ld. "
3887                                             "New time %ld.\n", cs84xx_time,
3888                                             wtime);
3889                                 }
3890                         } else if (state[0] == FSTATE_READY) {
3891                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
3892                                     "F/W Ready - OK.\n");
3893
3894                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
3895                                     &ha->login_timeout, &ha->r_a_tov);
3896
3897                                 rval = QLA_SUCCESS;
3898                                 break;
3899                         }
3900
3901                         rval = QLA_FUNCTION_FAILED;
3902
3903                         if (atomic_read(&vha->loop_down_timer) &&
3904                             state[0] != FSTATE_READY) {
3905                                 /* Loop down. Timeout on min_wait for states
3906                                  * other than Wait for Login.
3907                                  */
3908                                 if (time_after_eq(jiffies, mtime)) {
3909                                         ql_log(ql_log_info, vha, 0x8038,
3910                                             "Cable is unplugged...\n");
3911
3912                                         vha->device_flags |= DFLG_NO_CABLE;
3913                                         break;
3914                                 }
3915                         }
3916                 } else {
3917                         /* Mailbox cmd failed. Timeout on min_wait. */
3918                         if (time_after_eq(jiffies, mtime) ||
3919                                 ha->flags.isp82xx_fw_hung)
3920                                 break;
3921                 }
3922
3923                 if (time_after_eq(jiffies, wtime))
3924                         break;
3925
3926                 /* Delay for a while */
3927                 msleep(500);
3928         } while (1);
3929
3930         ql_dbg(ql_dbg_taskm, vha, 0x803a,
3931             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
3932             state[1], state[2], state[3], state[4], state[5], jiffies);
3933
3934         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
3935                 ql_log(ql_log_warn, vha, 0x803b,
3936                     "Firmware ready **** FAILED ****.\n");
3937         }
3938
3939         return (rval);
3940 }
3941
3942 /*
3943 *  qla2x00_configure_hba
3944 *      Setup adapter context.
3945 *
3946 * Input:
3947 *      ha = adapter state pointer.
3948 *
3949 * Returns:
3950 *      0 = success
3951 *
3952 * Context:
3953 *      Kernel context.
3954 */
3955 static int
3956 qla2x00_configure_hba(scsi_qla_host_t *vha)
3957 {
3958         int       rval;
3959         uint16_t      loop_id;
3960         uint16_t      topo;
3961         uint16_t      sw_cap;
3962         uint8_t       al_pa;
3963         uint8_t       area;
3964         uint8_t       domain;
3965         char            connect_type[22];
3966         struct qla_hw_data *ha = vha->hw;
3967         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
3968         port_id_t id;
3969         unsigned long flags;
3970
3971         /* Get host addresses. */
3972         rval = qla2x00_get_adapter_id(vha,
3973             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
3974         if (rval != QLA_SUCCESS) {
3975                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
3976                     IS_CNA_CAPABLE(ha) ||
3977                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
3978                         ql_dbg(ql_dbg_disc, vha, 0x2008,
3979                             "Loop is in a transition state.\n");
3980                 } else {
3981                         ql_log(ql_log_warn, vha, 0x2009,
3982                             "Unable to get host loop ID.\n");
3983                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
3984                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
3985                                 ql_log(ql_log_warn, vha, 0x1151,
3986                                     "Doing link init.\n");
3987                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
3988                                         return rval;
3989                         }
3990                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3991                 }
3992                 return (rval);
3993         }
3994
3995         if (topo == 4) {
3996                 ql_log(ql_log_info, vha, 0x200a,
3997                     "Cannot get topology - retrying.\n");
3998                 return (QLA_FUNCTION_FAILED);
3999         }
4000
4001         vha->loop_id = loop_id;
4002
4003         /* initialize */
4004         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4005         ha->operating_mode = LOOP;
4006         ha->switch_cap = 0;
4007
4008         switch (topo) {
4009         case 0:
4010                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4011                 ha->current_topology = ISP_CFG_NL;
4012                 strcpy(connect_type, "(Loop)");
4013                 break;
4014
4015         case 1:
4016                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4017                 ha->switch_cap = sw_cap;
4018                 ha->current_topology = ISP_CFG_FL;
4019                 strcpy(connect_type, "(FL_Port)");
4020                 break;
4021
4022         case 2:
4023                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
4024                 ha->operating_mode = P2P;
4025                 ha->current_topology = ISP_CFG_N;
4026                 strcpy(connect_type, "(N_Port-to-N_Port)");
4027                 break;
4028
4029         case 3:
4030                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4031                 ha->switch_cap = sw_cap;
4032                 ha->operating_mode = P2P;
4033                 ha->current_topology = ISP_CFG_F;
4034                 strcpy(connect_type, "(F_Port)");
4035                 break;
4036
4037         default:
4038                 ql_dbg(ql_dbg_disc, vha, 0x200f,
4039                     "HBA in unknown topology %x, using NL.\n", topo);
4040                 ha->current_topology = ISP_CFG_NL;
4041                 strcpy(connect_type, "(Loop)");
4042                 break;
4043         }
4044
4045         /* Save Host port and loop ID. */
4046         /* byte order - Big Endian */
4047         id.b.domain = domain;
4048         id.b.area = area;
4049         id.b.al_pa = al_pa;
4050         id.b.rsvd_1 = 0;
4051         spin_lock_irqsave(&ha->hardware_lock, flags);
4052         qlt_update_host_map(vha, id);
4053         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4054
4055         if (!vha->flags.init_done)
4056                 ql_log(ql_log_info, vha, 0x2010,
4057                     "Topology - %s, Host Loop address 0x%x.\n",
4058                     connect_type, vha->loop_id);
4059
4060         return(rval);
4061 }
4062
4063 inline void
4064 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4065         char *def)
4066 {
4067         char *st, *en;
4068         uint16_t index;
4069         struct qla_hw_data *ha = vha->hw;
4070         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4071             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4072
4073         if (memcmp(model, BINZERO, len) != 0) {
4074                 strncpy(ha->model_number, model, len);
4075                 st = en = ha->model_number;
4076                 en += len - 1;
4077                 while (en > st) {
4078                         if (*en != 0x20 && *en != 0x00)
4079                                 break;
4080                         *en-- = '\0';
4081                 }
4082
4083                 index = (ha->pdev->subsystem_device & 0xff);
4084                 if (use_tbl &&
4085                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4086                     index < QLA_MODEL_NAMES)
4087                         strncpy(ha->model_desc,
4088                             qla2x00_model_name[index * 2 + 1],
4089                             sizeof(ha->model_desc) - 1);
4090         } else {
4091                 index = (ha->pdev->subsystem_device & 0xff);
4092                 if (use_tbl &&
4093                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4094                     index < QLA_MODEL_NAMES) {
4095                         strcpy(ha->model_number,
4096                             qla2x00_model_name[index * 2]);
4097                         strncpy(ha->model_desc,
4098                             qla2x00_model_name[index * 2 + 1],
4099                             sizeof(ha->model_desc) - 1);
4100                 } else {
4101                         strcpy(ha->model_number, def);
4102                 }
4103         }
4104         if (IS_FWI2_CAPABLE(ha))
4105                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4106                     sizeof(ha->model_desc));
4107 }
4108
4109 /* On sparc systems, obtain port and node WWN from firmware
4110  * properties.
4111  */
4112 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4113 {
4114 #ifdef CONFIG_SPARC
4115         struct qla_hw_data *ha = vha->hw;
4116         struct pci_dev *pdev = ha->pdev;
4117         struct device_node *dp = pci_device_to_OF_node(pdev);
4118         const u8 *val;
4119         int len;
4120
4121         val = of_get_property(dp, "port-wwn", &len);
4122         if (val && len >= WWN_SIZE)
4123                 memcpy(nv->port_name, val, WWN_SIZE);
4124
4125         val = of_get_property(dp, "node-wwn", &len);
4126         if (val && len >= WWN_SIZE)
4127                 memcpy(nv->node_name, val, WWN_SIZE);
4128 #endif
4129 }
4130
4131 /*
4132 * NVRAM configuration for ISP 2xxx
4133 *
4134 * Input:
4135 *      ha                = adapter block pointer.
4136 *
4137 * Output:
4138 *      initialization control block in response_ring
4139 *      host adapters parameters in host adapter block
4140 *
4141 * Returns:
4142 *      0 = success.
4143 */
4144 int
4145 qla2x00_nvram_config(scsi_qla_host_t *vha)
4146 {
4147         int             rval;
4148         uint8_t         chksum = 0;
4149         uint16_t        cnt;
4150         uint8_t         *dptr1, *dptr2;
4151         struct qla_hw_data *ha = vha->hw;
4152         init_cb_t       *icb = ha->init_cb;
4153         nvram_t         *nv = ha->nvram;
4154         uint8_t         *ptr = ha->nvram;
4155         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4156
4157         rval = QLA_SUCCESS;
4158
4159         /* Determine NVRAM starting address. */
4160         ha->nvram_size = sizeof(nvram_t);
4161         ha->nvram_base = 0;
4162         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
4163                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
4164                         ha->nvram_base = 0x80;
4165
4166         /* Get NVRAM data and calculate checksum. */
4167         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4168         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
4169                 chksum += *ptr++;
4170
4171         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
4172             "Contents of NVRAM.\n");
4173         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4174             (uint8_t *)nv, ha->nvram_size);
4175
4176         /* Bad NVRAM data, set defaults parameters. */
4177         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
4178             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
4179                 /* Reset NVRAM data. */
4180                 ql_log(ql_log_warn, vha, 0x0064,
4181                     "Inconsistent NVRAM "
4182                     "detected: checksum=0x%x id=%c version=0x%x.\n",
4183                     chksum, nv->id[0], nv->nvram_version);
4184                 ql_log(ql_log_warn, vha, 0x0065,
4185                     "Falling back to "
4186                     "functioning (yet invalid -- WWPN) defaults.\n");
4187
4188                 /*
4189                  * Set default initialization control block.
4190                  */
4191                 memset(nv, 0, ha->nvram_size);
4192                 nv->parameter_block_version = ICB_VERSION;
4193
4194                 if (IS_QLA23XX(ha)) {
4195                         nv->firmware_options[0] = BIT_2 | BIT_1;
4196                         nv->firmware_options[1] = BIT_7 | BIT_5;
4197                         nv->add_firmware_options[0] = BIT_5;
4198                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4199                         nv->frame_payload_size = 2048;
4200                         nv->special_options[1] = BIT_7;
4201                 } else if (IS_QLA2200(ha)) {
4202                         nv->firmware_options[0] = BIT_2 | BIT_1;
4203                         nv->firmware_options[1] = BIT_7 | BIT_5;
4204                         nv->add_firmware_options[0] = BIT_5;
4205                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4206                         nv->frame_payload_size = 1024;
4207                 } else if (IS_QLA2100(ha)) {
4208                         nv->firmware_options[0] = BIT_3 | BIT_1;
4209                         nv->firmware_options[1] = BIT_5;
4210                         nv->frame_payload_size = 1024;
4211                 }
4212
4213                 nv->max_iocb_allocation = cpu_to_le16(256);
4214                 nv->execution_throttle = cpu_to_le16(16);
4215                 nv->retry_count = 8;
4216                 nv->retry_delay = 1;
4217
4218                 nv->port_name[0] = 33;
4219                 nv->port_name[3] = 224;
4220                 nv->port_name[4] = 139;
4221
4222                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4223
4224                 nv->login_timeout = 4;
4225
4226                 /*
4227                  * Set default host adapter parameters
4228                  */
4229                 nv->host_p[1] = BIT_2;
4230                 nv->reset_delay = 5;
4231                 nv->port_down_retry_count = 8;
4232                 nv->max_luns_per_target = cpu_to_le16(8);
4233                 nv->link_down_timeout = 60;
4234
4235                 rval = 1;
4236         }
4237
4238 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
4239         /*
4240          * The SN2 does not provide BIOS emulation which means you can't change
4241          * potentially bogus BIOS settings. Force the use of default settings
4242          * for link rate and frame size.  Hope that the rest of the settings
4243          * are valid.
4244          */
4245         if (ia64_platform_is("sn2")) {
4246                 nv->frame_payload_size = 2048;
4247                 if (IS_QLA23XX(ha))
4248                         nv->special_options[1] = BIT_7;
4249         }
4250 #endif
4251
4252         /* Reset Initialization control block */
4253         memset(icb, 0, ha->init_cb_size);
4254
4255         /*
4256          * Setup driver NVRAM options.
4257          */
4258         nv->firmware_options[0] |= (BIT_6 | BIT_1);
4259         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
4260         nv->firmware_options[1] |= (BIT_5 | BIT_0);
4261         nv->firmware_options[1] &= ~BIT_4;
4262
4263         if (IS_QLA23XX(ha)) {
4264                 nv->firmware_options[0] |= BIT_2;
4265                 nv->firmware_options[0] &= ~BIT_3;
4266                 nv->special_options[0] &= ~BIT_6;
4267                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
4268
4269                 if (IS_QLA2300(ha)) {
4270                         if (ha->fb_rev == FPM_2310) {
4271                                 strcpy(ha->model_number, "QLA2310");
4272                         } else {
4273                                 strcpy(ha->model_number, "QLA2300");
4274                         }
4275                 } else {
4276                         qla2x00_set_model_info(vha, nv->model_number,
4277                             sizeof(nv->model_number), "QLA23xx");
4278                 }
4279         } else if (IS_QLA2200(ha)) {
4280                 nv->firmware_options[0] |= BIT_2;
4281                 /*
4282                  * 'Point-to-point preferred, else loop' is not a safe
4283                  * connection mode setting.
4284                  */
4285                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
4286                     (BIT_5 | BIT_4)) {
4287                         /* Force 'loop preferred, else point-to-point'. */
4288                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
4289                         nv->add_firmware_options[0] |= BIT_5;
4290                 }
4291                 strcpy(ha->model_number, "QLA22xx");
4292         } else /*if (IS_QLA2100(ha))*/ {
4293                 strcpy(ha->model_number, "QLA2100");
4294         }
4295
4296         /*
4297          * Copy over NVRAM RISC parameter block to initialization control block.
4298          */
4299         dptr1 = (uint8_t *)icb;
4300         dptr2 = (uint8_t *)&nv->parameter_block_version;
4301         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
4302         while (cnt--)
4303                 *dptr1++ = *dptr2++;
4304
4305         /* Copy 2nd half. */
4306         dptr1 = (uint8_t *)icb->add_firmware_options;
4307         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
4308         while (cnt--)
4309                 *dptr1++ = *dptr2++;
4310
4311         /* Use alternate WWN? */
4312         if (nv->host_p[1] & BIT_7) {
4313                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4314                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4315         }
4316
4317         /* Prepare nodename */
4318         if ((icb->firmware_options[1] & BIT_6) == 0) {
4319                 /*
4320                  * Firmware will apply the following mask if the nodename was
4321                  * not provided.
4322                  */
4323                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4324                 icb->node_name[0] &= 0xF0;
4325         }
4326
4327         /*
4328          * Set host adapter parameters.
4329          */
4330
4331         /*
4332          * BIT_7 in the host-parameters section allows for modification to
4333          * internal driver logging.
4334          */
4335         if (nv->host_p[0] & BIT_7)
4336                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
4337         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
4338         /* Always load RISC code on non ISP2[12]00 chips. */
4339         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
4340                 ha->flags.disable_risc_code_load = 0;
4341         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
4342         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
4343         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
4344         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
4345         ha->flags.disable_serdes = 0;
4346
4347         ha->operating_mode =
4348             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
4349
4350         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
4351             sizeof(ha->fw_seriallink_options));
4352
4353         /* save HBA serial number */
4354         ha->serial0 = icb->port_name[5];
4355         ha->serial1 = icb->port_name[6];
4356         ha->serial2 = icb->port_name[7];
4357         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4358         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4359
4360         icb->execution_throttle = cpu_to_le16(0xFFFF);
4361
4362         ha->retry_count = nv->retry_count;
4363
4364         /* Set minimum login_timeout to 4 seconds. */
4365         if (nv->login_timeout != ql2xlogintimeout)
4366                 nv->login_timeout = ql2xlogintimeout;
4367         if (nv->login_timeout < 4)
4368                 nv->login_timeout = 4;
4369         ha->login_timeout = nv->login_timeout;
4370
4371         /* Set minimum RATOV to 100 tenths of a second. */
4372         ha->r_a_tov = 100;
4373
4374         ha->loop_reset_delay = nv->reset_delay;
4375
4376         /* Link Down Timeout = 0:
4377          *
4378          *      When Port Down timer expires we will start returning
4379          *      I/O's to OS with "DID_NO_CONNECT".
4380          *
4381          * Link Down Timeout != 0:
4382          *
4383          *       The driver waits for the link to come up after link down
4384          *       before returning I/Os to OS with "DID_NO_CONNECT".
4385          */
4386         if (nv->link_down_timeout == 0) {
4387                 ha->loop_down_abort_time =
4388                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4389         } else {
4390                 ha->link_down_timeout =  nv->link_down_timeout;
4391                 ha->loop_down_abort_time =
4392                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4393         }
4394
4395         /*
4396          * Need enough time to try and get the port back.
4397          */
4398         ha->port_down_retry_count = nv->port_down_retry_count;
4399         if (qlport_down_retry)
4400                 ha->port_down_retry_count = qlport_down_retry;
4401         /* Set login_retry_count */
4402         ha->login_retry_count  = nv->retry_count;
4403         if (ha->port_down_retry_count == nv->port_down_retry_count &&
4404             ha->port_down_retry_count > 3)
4405                 ha->login_retry_count = ha->port_down_retry_count;
4406         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4407                 ha->login_retry_count = ha->port_down_retry_count;
4408         if (ql2xloginretrycount)
4409                 ha->login_retry_count = ql2xloginretrycount;
4410
4411         icb->lun_enables = cpu_to_le16(0);
4412         icb->command_resource_count = 0;
4413         icb->immediate_notify_resource_count = 0;
4414         icb->timeout = cpu_to_le16(0);
4415
4416         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4417                 /* Enable RIO */
4418                 icb->firmware_options[0] &= ~BIT_3;
4419                 icb->add_firmware_options[0] &=
4420                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4421                 icb->add_firmware_options[0] |= BIT_2;
4422                 icb->response_accumulation_timer = 3;
4423                 icb->interrupt_delay_timer = 5;
4424
4425                 vha->flags.process_response_queue = 1;
4426         } else {
4427                 /* Enable ZIO. */
4428                 if (!vha->flags.init_done) {
4429                         ha->zio_mode = icb->add_firmware_options[0] &
4430                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4431                         ha->zio_timer = icb->interrupt_delay_timer ?
4432                             icb->interrupt_delay_timer: 2;
4433                 }
4434                 icb->add_firmware_options[0] &=
4435                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4436                 vha->flags.process_response_queue = 0;
4437                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4438                         ha->zio_mode = QLA_ZIO_MODE_6;
4439
4440                         ql_log(ql_log_info, vha, 0x0068,
4441                             "ZIO mode %d enabled; timer delay (%d us).\n",
4442                             ha->zio_mode, ha->zio_timer * 100);
4443
4444                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
4445                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
4446                         vha->flags.process_response_queue = 1;
4447                 }
4448         }
4449
4450         if (rval) {
4451                 ql_log(ql_log_warn, vha, 0x0069,
4452                     "NVRAM configuration failed.\n");
4453         }
4454         return (rval);
4455 }
4456
4457 static void
4458 qla2x00_rport_del(void *data)
4459 {
4460         fc_port_t *fcport = data;
4461         struct fc_rport *rport;
4462         unsigned long flags;
4463
4464         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4465         rport = fcport->drport ? fcport->drport: fcport->rport;
4466         fcport->drport = NULL;
4467         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4468         if (rport) {
4469                 ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
4470                     "%s %8phN. rport %p roles %x\n",
4471                     __func__, fcport->port_name, rport,
4472                     rport->roles);
4473
4474                 fc_remote_port_delete(rport);
4475         }
4476 }
4477
4478 /**
4479  * qla2x00_alloc_fcport() - Allocate a generic fcport.
4480  * @vha: HA context
4481  * @flags: allocation flags
4482  *
4483  * Returns a pointer to the allocated fcport, or NULL, if none available.
4484  */
4485 fc_port_t *
4486 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
4487 {
4488         fc_port_t *fcport;
4489
4490         fcport = kzalloc(sizeof(fc_port_t), flags);
4491         if (!fcport)
4492                 return NULL;
4493
4494         /* Setup fcport template structure. */
4495         fcport->vha = vha;
4496         fcport->port_type = FCT_UNKNOWN;
4497         fcport->loop_id = FC_NO_LOOP_ID;
4498         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
4499         fcport->supported_classes = FC_COS_UNSPECIFIED;
4500
4501         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
4502                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
4503                 flags);
4504         fcport->disc_state = DSC_DELETED;
4505         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4506         fcport->deleted = QLA_SESS_DELETED;
4507         fcport->login_retry = vha->hw->login_retry_count;
4508         fcport->logout_on_delete = 1;
4509
4510         if (!fcport->ct_desc.ct_sns) {
4511                 ql_log(ql_log_warn, vha, 0xd049,
4512                     "Failed to allocate ct_sns request.\n");
4513                 kfree(fcport);
4514                 fcport = NULL;
4515         }
4516         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
4517         INIT_LIST_HEAD(&fcport->gnl_entry);
4518         INIT_LIST_HEAD(&fcport->list);
4519
4520         return fcport;
4521 }
4522
4523 void
4524 qla2x00_free_fcport(fc_port_t *fcport)
4525 {
4526         if (fcport->ct_desc.ct_sns) {
4527                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
4528                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
4529                         fcport->ct_desc.ct_sns_dma);
4530
4531                 fcport->ct_desc.ct_sns = NULL;
4532         }
4533         kfree(fcport);
4534 }
4535
4536 /*
4537  * qla2x00_configure_loop
4538  *      Updates Fibre Channel Device Database with what is actually on loop.
4539  *
4540  * Input:
4541  *      ha                = adapter block pointer.
4542  *
4543  * Returns:
4544  *      0 = success.
4545  *      1 = error.
4546  *      2 = database was full and device was not configured.
4547  */
4548 static int
4549 qla2x00_configure_loop(scsi_qla_host_t *vha)
4550 {
4551         int  rval;
4552         unsigned long flags, save_flags;
4553         struct qla_hw_data *ha = vha->hw;
4554         rval = QLA_SUCCESS;
4555
4556         /* Get Initiator ID */
4557         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
4558                 rval = qla2x00_configure_hba(vha);
4559                 if (rval != QLA_SUCCESS) {
4560                         ql_dbg(ql_dbg_disc, vha, 0x2013,
4561                             "Unable to configure HBA.\n");
4562                         return (rval);
4563                 }
4564         }
4565
4566         save_flags = flags = vha->dpc_flags;
4567         ql_dbg(ql_dbg_disc, vha, 0x2014,
4568             "Configure loop -- dpc flags = 0x%lx.\n", flags);
4569
4570         /*
4571          * If we have both an RSCN and PORT UPDATE pending then handle them
4572          * both at the same time.
4573          */
4574         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4575         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
4576
4577         qla2x00_get_data_rate(vha);
4578
4579         /* Determine what we need to do */
4580         if (ha->current_topology == ISP_CFG_FL &&
4581             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4582
4583                 set_bit(RSCN_UPDATE, &flags);
4584
4585         } else if (ha->current_topology == ISP_CFG_F &&
4586             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4587
4588                 set_bit(RSCN_UPDATE, &flags);
4589                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
4590
4591         } else if (ha->current_topology == ISP_CFG_N) {
4592                 clear_bit(RSCN_UPDATE, &flags);
4593                 if (ha->flags.rida_fmt2) {
4594                         /* With Rida Format 2, the login is already triggered.
4595                          * We know who is on the other side of the wire.
4596                          * No need to login to do login to find out or drop into
4597                          * qla2x00_configure_local_loop().
4598                          */
4599                         clear_bit(LOCAL_LOOP_UPDATE, &flags);
4600                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4601                 } else {
4602                         if (qla_tgt_mode_enabled(vha)) {
4603                                 /* allow the other side to start the login */
4604                                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
4605                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4606                         }
4607                 }
4608         } else if (ha->current_topology == ISP_CFG_NL) {
4609                 clear_bit(RSCN_UPDATE, &flags);
4610                 set_bit(LOCAL_LOOP_UPDATE, &flags);
4611         } else if (!vha->flags.online ||
4612             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
4613                 set_bit(RSCN_UPDATE, &flags);
4614                 set_bit(LOCAL_LOOP_UPDATE, &flags);
4615         }
4616
4617         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
4618                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4619                         ql_dbg(ql_dbg_disc, vha, 0x2015,
4620                             "Loop resync needed, failing.\n");
4621                         rval = QLA_FUNCTION_FAILED;
4622                 } else
4623                         rval = qla2x00_configure_local_loop(vha);
4624         }
4625
4626         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
4627                 if (LOOP_TRANSITION(vha)) {
4628                         ql_dbg(ql_dbg_disc, vha, 0x2099,
4629                             "Needs RSCN update and loop transition.\n");
4630                         rval = QLA_FUNCTION_FAILED;
4631                 }
4632                 else
4633                         rval = qla2x00_configure_fabric(vha);
4634         }
4635
4636         if (rval == QLA_SUCCESS) {
4637                 if (atomic_read(&vha->loop_down_timer) ||
4638                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4639                         rval = QLA_FUNCTION_FAILED;
4640                 } else {
4641                         atomic_set(&vha->loop_state, LOOP_READY);
4642                         ql_dbg(ql_dbg_disc, vha, 0x2069,
4643                             "LOOP READY.\n");
4644                         ha->flags.fw_init_done = 1;
4645
4646                         /*
4647                          * Process any ATIO queue entries that came in
4648                          * while we weren't online.
4649                          */
4650                         if (qla_tgt_mode_enabled(vha) ||
4651                             qla_dual_mode_enabled(vha)) {
4652                                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha)) {
4653                                         spin_lock_irqsave(&ha->tgt.atio_lock,
4654                                             flags);
4655                                         qlt_24xx_process_atio_queue(vha, 0);
4656                                         spin_unlock_irqrestore(
4657                                             &ha->tgt.atio_lock, flags);
4658                                 } else {
4659                                         spin_lock_irqsave(&ha->hardware_lock,
4660                                             flags);
4661                                         qlt_24xx_process_atio_queue(vha, 1);
4662                                         spin_unlock_irqrestore(
4663                                             &ha->hardware_lock, flags);
4664                                 }
4665                         }
4666                 }
4667         }
4668
4669         if (rval) {
4670                 ql_dbg(ql_dbg_disc, vha, 0x206a,
4671                     "%s *** FAILED ***.\n", __func__);
4672         } else {
4673                 ql_dbg(ql_dbg_disc, vha, 0x206b,
4674                     "%s: exiting normally.\n", __func__);
4675         }
4676
4677         /* Restore state if a resync event occurred during processing */
4678         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4679                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
4680                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4681                 if (test_bit(RSCN_UPDATE, &save_flags)) {
4682                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
4683                 }
4684         }
4685
4686         return (rval);
4687 }
4688
4689 /*
4690  * N2N Login
4691  *      Updates Fibre Channel Device Database with local loop devices.
4692  *
4693  * Input:
4694  *      ha = adapter block pointer.
4695  *
4696  * Returns:
4697  */
4698 static int qla24xx_n2n_handle_login(struct scsi_qla_host *vha,
4699                                     fc_port_t *fcport)
4700 {
4701         struct qla_hw_data *ha = vha->hw;
4702         int     res = QLA_SUCCESS, rval;
4703         int     greater_wwpn = 0;
4704         int     logged_in = 0;
4705
4706         if (ha->current_topology != ISP_CFG_N)
4707                 return res;
4708
4709         if (wwn_to_u64(vha->port_name) >
4710             wwn_to_u64(vha->n2n_port_name)) {
4711                 ql_dbg(ql_dbg_disc, vha, 0x2002,
4712                     "HBA WWPN is greater %llx > target %llx\n",
4713                     wwn_to_u64(vha->port_name),
4714                     wwn_to_u64(vha->n2n_port_name));
4715                 greater_wwpn = 1;
4716                 fcport->d_id.b24 = vha->n2n_id;
4717         }
4718
4719         fcport->loop_id = vha->loop_id;
4720         fcport->fc4f_nvme = 0;
4721         fcport->query = 1;
4722
4723         ql_dbg(ql_dbg_disc, vha, 0x4001,
4724             "Initiate N2N login handler: HBA port_id=%06x loopid=%d\n",
4725             fcport->d_id.b24, vha->loop_id);
4726
4727         /* Fill in member data. */
4728         if (!greater_wwpn) {
4729                 rval = qla2x00_get_port_database(vha, fcport, 0);
4730                 ql_dbg(ql_dbg_disc, vha, 0x1051,
4731                     "Remote login-state (%x/%x) port_id=%06x loop_id=%x, rval=%d\n",
4732                     fcport->current_login_state, fcport->last_login_state,
4733                     fcport->d_id.b24, fcport->loop_id, rval);
4734
4735                 if (((fcport->current_login_state & 0xf) == 0x4) ||
4736                     ((fcport->current_login_state & 0xf) == 0x6))
4737                         logged_in = 1;
4738         }
4739
4740         if (logged_in || greater_wwpn) {
4741                 if (!vha->nvme_local_port && vha->flags.nvme_enabled)
4742                         qla_nvme_register_hba(vha);
4743
4744                 /* Set connected N_Port d_id */
4745                 if (vha->flags.nvme_enabled)
4746                         fcport->fc4f_nvme = 1;
4747
4748                 fcport->scan_state = QLA_FCPORT_FOUND;
4749                 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4750                 fcport->disc_state = DSC_GNL;
4751                 fcport->n2n_flag = 1;
4752                 fcport->flags = 3;
4753                 vha->hw->flags.gpsc_supported = 0;
4754
4755                 if (greater_wwpn) {
4756                         ql_dbg(ql_dbg_disc, vha, 0x20e5,
4757                             "%s %d PLOGI ELS %8phC\n",
4758                             __func__, __LINE__, fcport->port_name);
4759
4760                         res = qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
4761                             fcport, fcport->d_id);
4762                 }
4763
4764                 if (res != QLA_SUCCESS) {
4765                         ql_log(ql_log_info, vha, 0xd04d,
4766                             "PLOGI Failed: portid=%06x - retrying\n",
4767                             fcport->d_id.b24);
4768                         res = QLA_SUCCESS;
4769                 } else {
4770                         /* State 0x6 means FCP PRLI complete */
4771                         if ((fcport->current_login_state & 0xf) == 0x6) {
4772                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
4773                                     "%s %d %8phC post GPDB work\n",
4774                                     __func__, __LINE__, fcport->port_name);
4775                                 fcport->chip_reset =
4776                                     vha->hw->base_qpair->chip_reset;
4777                                 qla24xx_post_gpdb_work(vha, fcport, 0);
4778                         } else {
4779                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
4780                                     "%s %d %8phC post NVMe PRLI\n",
4781                                     __func__, __LINE__, fcport->port_name);
4782                                 qla24xx_post_prli_work(vha, fcport);
4783                         }
4784                 }
4785         } else {
4786                 /* Wait for next database change */
4787                 set_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags);
4788         }
4789
4790         return res;
4791 }
4792
4793 /*
4794  * qla2x00_configure_local_loop
4795  *      Updates Fibre Channel Device Database with local loop devices.
4796  *
4797  * Input:
4798  *      ha = adapter block pointer.
4799  *
4800  * Returns:
4801  *      0 = success.
4802  */
4803 static int
4804 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
4805 {
4806         int             rval, rval2;
4807         int             found_devs;
4808         int             found;
4809         fc_port_t       *fcport, *new_fcport;
4810
4811         uint16_t        index;
4812         uint16_t        entries;
4813         char            *id_iter;
4814         uint16_t        loop_id;
4815         uint8_t         domain, area, al_pa;
4816         struct qla_hw_data *ha = vha->hw;
4817         unsigned long flags;
4818
4819         found_devs = 0;
4820         new_fcport = NULL;
4821         entries = MAX_FIBRE_DEVICES_LOOP;
4822
4823         /* Get list of logged in devices. */
4824         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
4825         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
4826             &entries);
4827         if (rval != QLA_SUCCESS)
4828                 goto cleanup_allocation;
4829
4830         ql_dbg(ql_dbg_disc, vha, 0x2011,
4831             "Entries in ID list (%d).\n", entries);
4832         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
4833             (uint8_t *)ha->gid_list,
4834             entries * sizeof(struct gid_list_info));
4835
4836         list_for_each_entry(fcport, &vha->vp_fcports, list) {
4837                 fcport->scan_state = QLA_FCPORT_SCAN;
4838         }
4839
4840         /* Allocate temporary fcport for any new fcports discovered. */
4841         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4842         if (new_fcport == NULL) {
4843                 ql_log(ql_log_warn, vha, 0x2012,
4844                     "Memory allocation failed for fcport.\n");
4845                 rval = QLA_MEMORY_ALLOC_FAILED;
4846                 goto cleanup_allocation;
4847         }
4848         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
4849
4850         /* Inititae N2N login. */
4851         if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
4852                 rval = qla24xx_n2n_handle_login(vha, new_fcport);
4853                 if (rval != QLA_SUCCESS)
4854                         goto cleanup_allocation;
4855                 return QLA_SUCCESS;
4856         }
4857
4858         /* Add devices to port list. */
4859         id_iter = (char *)ha->gid_list;
4860         for (index = 0; index < entries; index++) {
4861                 domain = ((struct gid_list_info *)id_iter)->domain;
4862                 area = ((struct gid_list_info *)id_iter)->area;
4863                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
4864                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
4865                         loop_id = (uint16_t)
4866                             ((struct gid_list_info *)id_iter)->loop_id_2100;
4867                 else
4868                         loop_id = le16_to_cpu(
4869                             ((struct gid_list_info *)id_iter)->loop_id);
4870                 id_iter += ha->gid_list_info_size;
4871
4872                 /* Bypass reserved domain fields. */
4873                 if ((domain & 0xf0) == 0xf0)
4874                         continue;
4875
4876                 /* Bypass if not same domain and area of adapter. */
4877                 if (area && domain &&
4878                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
4879                         continue;
4880
4881                 /* Bypass invalid local loop ID. */
4882                 if (loop_id > LAST_LOCAL_LOOP_ID)
4883                         continue;
4884
4885                 memset(new_fcport->port_name, 0, WWN_SIZE);
4886
4887                 /* Fill in member data. */
4888                 new_fcport->d_id.b.domain = domain;
4889                 new_fcport->d_id.b.area = area;
4890                 new_fcport->d_id.b.al_pa = al_pa;
4891                 new_fcport->loop_id = loop_id;
4892                 new_fcport->scan_state = QLA_FCPORT_FOUND;
4893
4894                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
4895                 if (rval2 != QLA_SUCCESS) {
4896                         ql_dbg(ql_dbg_disc, vha, 0x2097,
4897                             "Failed to retrieve fcport information "
4898                             "-- get_port_database=%x, loop_id=0x%04x.\n",
4899                             rval2, new_fcport->loop_id);
4900                         /* Skip retry if N2N */
4901                         if (ha->current_topology != ISP_CFG_N) {
4902                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
4903                                     "Scheduling resync.\n");
4904                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4905                                 continue;
4906                         }
4907                 }
4908
4909                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4910                 /* Check for matching device in port list. */
4911                 found = 0;
4912                 fcport = NULL;
4913                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4914                         if (memcmp(new_fcport->port_name, fcport->port_name,
4915                             WWN_SIZE))
4916                                 continue;
4917
4918                         fcport->flags &= ~FCF_FABRIC_DEVICE;
4919                         fcport->loop_id = new_fcport->loop_id;
4920                         fcport->port_type = new_fcport->port_type;
4921                         fcport->d_id.b24 = new_fcport->d_id.b24;
4922                         memcpy(fcport->node_name, new_fcport->node_name,
4923                             WWN_SIZE);
4924                         fcport->scan_state = QLA_FCPORT_FOUND;
4925                         found++;
4926                         break;
4927                 }
4928
4929                 if (!found) {
4930                         /* New device, add to fcports list. */
4931                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
4932
4933                         /* Allocate a new replacement fcport. */
4934                         fcport = new_fcport;
4935
4936                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4937
4938                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4939
4940                         if (new_fcport == NULL) {
4941                                 ql_log(ql_log_warn, vha, 0xd031,
4942                                     "Failed to allocate memory for fcport.\n");
4943                                 rval = QLA_MEMORY_ALLOC_FAILED;
4944                                 goto cleanup_allocation;
4945                         }
4946                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4947                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
4948                 }
4949
4950                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4951
4952                 /* Base iIDMA settings on HBA port speed. */
4953                 fcport->fp_speed = ha->link_data_rate;
4954
4955                 found_devs++;
4956         }
4957
4958         list_for_each_entry(fcport, &vha->vp_fcports, list) {
4959                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4960                         break;
4961
4962                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
4963                         if ((qla_dual_mode_enabled(vha) ||
4964                             qla_ini_mode_enabled(vha)) &&
4965                             atomic_read(&fcport->state) == FCS_ONLINE) {
4966                                 qla2x00_mark_device_lost(vha, fcport,
4967                                         ql2xplogiabsentdevice, 0);
4968                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
4969                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
4970                                     fcport->port_type != FCT_INITIATOR &&
4971                                     fcport->port_type != FCT_BROADCAST) {
4972                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
4973                                             "%s %d %8phC post del sess\n",
4974                                             __func__, __LINE__,
4975                                             fcport->port_name);
4976
4977                                         qlt_schedule_sess_for_deletion(fcport);
4978                                         continue;
4979                                 }
4980                         }
4981                 }
4982
4983                 if (fcport->scan_state == QLA_FCPORT_FOUND)
4984                         qla24xx_fcport_handle_login(vha, fcport);
4985         }
4986
4987 cleanup_allocation:
4988         kfree(new_fcport);
4989
4990         if (rval != QLA_SUCCESS) {
4991                 ql_dbg(ql_dbg_disc, vha, 0x2098,
4992                     "Configure local loop error exit: rval=%x.\n", rval);
4993         }
4994
4995         return (rval);
4996 }
4997
4998 static void
4999 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5000 {
5001         int rval;
5002         uint16_t mb[MAILBOX_REGISTER_COUNT];
5003         struct qla_hw_data *ha = vha->hw;
5004
5005         if (!IS_IIDMA_CAPABLE(ha))
5006                 return;
5007
5008         if (atomic_read(&fcport->state) != FCS_ONLINE)
5009                 return;
5010
5011         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5012             fcport->fp_speed > ha->link_data_rate ||
5013             !ha->flags.gpsc_supported)
5014                 return;
5015
5016         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5017             mb);
5018         if (rval != QLA_SUCCESS) {
5019                 ql_dbg(ql_dbg_disc, vha, 0x2004,
5020                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5021                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5022         } else {
5023                 ql_dbg(ql_dbg_disc, vha, 0x2005,
5024                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5025                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5026                     fcport->fp_speed, fcport->port_name);
5027         }
5028 }
5029
5030 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5031 {
5032         qla2x00_iidma_fcport(vha, fcport);
5033         qla24xx_update_fcport_fcp_prio(vha, fcport);
5034 }
5035
5036 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5037 {
5038         struct qla_work_evt *e;
5039
5040         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5041         if (!e)
5042                 return QLA_FUNCTION_FAILED;
5043
5044         e->u.fcport.fcport = fcport;
5045         return qla2x00_post_work(vha, e);
5046 }
5047
5048 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5049 static void
5050 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5051 {
5052         struct fc_rport_identifiers rport_ids;
5053         struct fc_rport *rport;
5054         unsigned long flags;
5055
5056         rport_ids.node_name = wwn_to_u64(fcport->node_name);
5057         rport_ids.port_name = wwn_to_u64(fcport->port_name);
5058         rport_ids.port_id = fcport->d_id.b.domain << 16 |
5059             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5060         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5061         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5062         if (!rport) {
5063                 ql_log(ql_log_warn, vha, 0x2006,
5064                     "Unable to allocate fc remote port.\n");
5065                 return;
5066         }
5067
5068         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5069         *((fc_port_t **)rport->dd_data) = fcport;
5070         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5071
5072         rport->supported_classes = fcport->supported_classes;
5073
5074         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5075         if (fcport->port_type == FCT_INITIATOR)
5076                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
5077         if (fcport->port_type == FCT_TARGET)
5078                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
5079
5080         ql_dbg(ql_dbg_disc, vha, 0x20ee,
5081             "%s %8phN. rport %p is %s mode\n",
5082             __func__, fcport->port_name, rport,
5083             (fcport->port_type == FCT_TARGET) ? "tgt" : "ini");
5084
5085         fc_remote_port_rolechg(rport, rport_ids.roles);
5086 }
5087
5088 /*
5089  * qla2x00_update_fcport
5090  *      Updates device on list.
5091  *
5092  * Input:
5093  *      ha = adapter block pointer.
5094  *      fcport = port structure pointer.
5095  *
5096  * Return:
5097  *      0  - Success
5098  *  BIT_0 - error
5099  *
5100  * Context:
5101  *      Kernel context.
5102  */
5103 void
5104 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5105 {
5106         fcport->vha = vha;
5107
5108         if (IS_SW_RESV_ADDR(fcport->d_id))
5109                 return;
5110
5111         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5112             __func__, fcport->port_name);
5113
5114         if (IS_QLAFX00(vha->hw)) {
5115                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5116         } else {
5117                 fcport->login_retry = 0;
5118                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5119                 fcport->disc_state = DSC_LOGIN_COMPLETE;
5120                 fcport->deleted = 0;
5121                 fcport->logout_on_delete = 1;
5122                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5123         }
5124
5125         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5126         qla2x00_iidma_fcport(vha, fcport);
5127
5128         if (fcport->fc4f_nvme) {
5129                 qla_nvme_register_remote(vha, fcport);
5130                 return;
5131         }
5132
5133         qla24xx_update_fcport_fcp_prio(vha, fcport);
5134
5135         switch (vha->host->active_mode) {
5136         case MODE_INITIATOR:
5137                 qla2x00_reg_remote_port(vha, fcport);
5138                 break;
5139         case MODE_TARGET:
5140                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5141                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5142                         qlt_fc_port_added(vha, fcport);
5143                 break;
5144         case MODE_DUAL:
5145                 qla2x00_reg_remote_port(vha, fcport);
5146                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5147                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5148                         qlt_fc_port_added(vha, fcport);
5149                 break;
5150         default:
5151                 break;
5152         }
5153
5154         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5155                 if (fcport->id_changed) {
5156                         fcport->id_changed = 0;
5157                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5158                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
5159                             __func__, __LINE__, fcport->port_name,
5160                             vha->fcport_count);
5161                         qla24xx_post_gfpnid_work(vha, fcport);
5162                 } else {
5163                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5164                             "%s %d %8phC post gpsc fcp_cnt %d\n",
5165                             __func__, __LINE__, fcport->port_name,
5166                             vha->fcport_count);
5167                         qla24xx_post_gpsc_work(vha, fcport);
5168                 }
5169         }
5170 }
5171
5172 /*
5173  * qla2x00_configure_fabric
5174  *      Setup SNS devices with loop ID's.
5175  *
5176  * Input:
5177  *      ha = adapter block pointer.
5178  *
5179  * Returns:
5180  *      0 = success.
5181  *      BIT_0 = error
5182  */
5183 static int
5184 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5185 {
5186         int     rval;
5187         fc_port_t       *fcport;
5188         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5189         uint16_t        loop_id;
5190         LIST_HEAD(new_fcports);
5191         struct qla_hw_data *ha = vha->hw;
5192         int             discovery_gen;
5193
5194         /* If FL port exists, then SNS is present */
5195         if (IS_FWI2_CAPABLE(ha))
5196                 loop_id = NPH_F_PORT;
5197         else
5198                 loop_id = SNS_FL_PORT;
5199         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5200         if (rval != QLA_SUCCESS) {
5201                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
5202                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
5203
5204                 vha->device_flags &= ~SWITCH_FOUND;
5205                 return (QLA_SUCCESS);
5206         }
5207         vha->device_flags |= SWITCH_FOUND;
5208
5209
5210         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5211                 rval = qla2x00_send_change_request(vha, 0x3, 0);
5212                 if (rval != QLA_SUCCESS)
5213                         ql_log(ql_log_warn, vha, 0x121,
5214                                 "Failed to enable receiving of RSCN requests: 0x%x.\n",
5215                                 rval);
5216         }
5217
5218
5219         do {
5220                 qla2x00_mgmt_svr_login(vha);
5221
5222                 /* FDMI support. */
5223                 if (ql2xfdmienable &&
5224                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
5225                         qla2x00_fdmi_register(vha);
5226
5227                 /* Ensure we are logged into the SNS. */
5228                 loop_id = NPH_SNS_LID(ha);
5229                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5230                     0xfc, mb, BIT_1|BIT_0);
5231                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5232                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
5233                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
5234                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5235                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5236                         return rval;
5237                 }
5238                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
5239                         if (qla2x00_rft_id(vha)) {
5240                                 /* EMPTY */
5241                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
5242                                     "Register FC-4 TYPE failed.\n");
5243                                 if (test_bit(LOOP_RESYNC_NEEDED,
5244                                     &vha->dpc_flags))
5245                                         break;
5246                         }
5247                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
5248                                 /* EMPTY */
5249                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
5250                                     "Register FC-4 Features failed.\n");
5251                                 if (test_bit(LOOP_RESYNC_NEEDED,
5252                                     &vha->dpc_flags))
5253                                         break;
5254                         }
5255                         if (vha->flags.nvme_enabled) {
5256                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
5257                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
5258                                             "Register NVME FC Type Features failed.\n");
5259                                 }
5260                         }
5261                         if (qla2x00_rnn_id(vha)) {
5262                                 /* EMPTY */
5263                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
5264                                     "Register Node Name failed.\n");
5265                                 if (test_bit(LOOP_RESYNC_NEEDED,
5266                                     &vha->dpc_flags))
5267                                         break;
5268                         } else if (qla2x00_rsnn_nn(vha)) {
5269                                 /* EMPTY */
5270                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
5271                                     "Register Symbolic Node Name failed.\n");
5272                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5273                                         break;
5274                         }
5275                 }
5276
5277
5278                 /* Mark the time right before querying FW for connected ports.
5279                  * This process is long, asynchronous and by the time it's done,
5280                  * collected information might not be accurate anymore. E.g.
5281                  * disconnected port might have re-connected and a brand new
5282                  * session has been created. In this case session's generation
5283                  * will be newer than discovery_gen. */
5284                 qlt_do_generation_tick(vha, &discovery_gen);
5285
5286                 if (USE_ASYNC_SCAN(ha)) {
5287                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
5288                             NULL);
5289                         if (rval)
5290                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5291                 } else  {
5292                         list_for_each_entry(fcport, &vha->vp_fcports, list)
5293                                 fcport->scan_state = QLA_FCPORT_SCAN;
5294
5295                         rval = qla2x00_find_all_fabric_devs(vha);
5296                 }
5297                 if (rval != QLA_SUCCESS)
5298                         break;
5299         } while (0);
5300
5301         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
5302                 qla_nvme_register_hba(vha);
5303
5304         if (rval)
5305                 ql_dbg(ql_dbg_disc, vha, 0x2068,
5306                     "Configure fabric error exit rval=%d.\n", rval);
5307
5308         return (rval);
5309 }
5310
5311 /*
5312  * qla2x00_find_all_fabric_devs
5313  *
5314  * Input:
5315  *      ha = adapter block pointer.
5316  *      dev = database device entry pointer.
5317  *
5318  * Returns:
5319  *      0 = success.
5320  *
5321  * Context:
5322  *      Kernel context.
5323  */
5324 static int
5325 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
5326 {
5327         int             rval;
5328         uint16_t        loop_id;
5329         fc_port_t       *fcport, *new_fcport;
5330         int             found;
5331
5332         sw_info_t       *swl;
5333         int             swl_idx;
5334         int             first_dev, last_dev;
5335         port_id_t       wrap = {}, nxt_d_id;
5336         struct qla_hw_data *ha = vha->hw;
5337         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5338         unsigned long flags;
5339
5340         rval = QLA_SUCCESS;
5341
5342         /* Try GID_PT to get device list, else GAN. */
5343         if (!ha->swl)
5344                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5345                     GFP_KERNEL);
5346         swl = ha->swl;
5347         if (!swl) {
5348                 /*EMPTY*/
5349                 ql_dbg(ql_dbg_disc, vha, 0x209c,
5350                     "GID_PT allocations failed, fallback on GA_NXT.\n");
5351         } else {
5352                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5353                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
5354                         swl = NULL;
5355                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5356                                 return rval;
5357                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
5358                         swl = NULL;
5359                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5360                                 return rval;
5361                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
5362                         swl = NULL;
5363                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5364                                 return rval;
5365                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
5366                         swl = NULL;
5367                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5368                                 return rval;
5369                 }
5370
5371                 /* If other queries succeeded probe for FC-4 type */
5372                 if (swl) {
5373                         qla2x00_gff_id(vha, swl);
5374                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5375                                 return rval;
5376                 }
5377         }
5378         swl_idx = 0;
5379
5380         /* Allocate temporary fcport for any new fcports discovered. */
5381         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5382         if (new_fcport == NULL) {
5383                 ql_log(ql_log_warn, vha, 0x209d,
5384                     "Failed to allocate memory for fcport.\n");
5385                 return (QLA_MEMORY_ALLOC_FAILED);
5386         }
5387         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5388         /* Set start port ID scan at adapter ID. */
5389         first_dev = 1;
5390         last_dev = 0;
5391
5392         /* Starting free loop ID. */
5393         loop_id = ha->min_external_loopid;
5394         for (; loop_id <= ha->max_loop_id; loop_id++) {
5395                 if (qla2x00_is_reserved_id(vha, loop_id))
5396                         continue;
5397
5398                 if (ha->current_topology == ISP_CFG_FL &&
5399                     (atomic_read(&vha->loop_down_timer) ||
5400                      LOOP_TRANSITION(vha))) {
5401                         atomic_set(&vha->loop_down_timer, 0);
5402                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5403                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5404                         break;
5405                 }
5406
5407                 if (swl != NULL) {
5408                         if (last_dev) {
5409                                 wrap.b24 = new_fcport->d_id.b24;
5410                         } else {
5411                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
5412                                 memcpy(new_fcport->node_name,
5413                                     swl[swl_idx].node_name, WWN_SIZE);
5414                                 memcpy(new_fcport->port_name,
5415                                     swl[swl_idx].port_name, WWN_SIZE);
5416                                 memcpy(new_fcport->fabric_port_name,
5417                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
5418                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
5419                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
5420
5421                                 new_fcport->nvme_flag = 0;
5422                                 new_fcport->fc4f_nvme = 0;
5423                                 if (vha->flags.nvme_enabled &&
5424                                     swl[swl_idx].fc4f_nvme) {
5425                                         new_fcport->fc4f_nvme =
5426                                             swl[swl_idx].fc4f_nvme;
5427                                         ql_log(ql_log_info, vha, 0x2131,
5428                                             "FOUND: NVME port %8phC as FC Type 28h\n",
5429                                             new_fcport->port_name);
5430                                 }
5431
5432                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
5433                                         last_dev = 1;
5434                                 }
5435                                 swl_idx++;
5436                         }
5437                 } else {
5438                         /* Send GA_NXT to the switch */
5439                         rval = qla2x00_ga_nxt(vha, new_fcport);
5440                         if (rval != QLA_SUCCESS) {
5441                                 ql_log(ql_log_warn, vha, 0x209e,
5442                                     "SNS scan failed -- assuming "
5443                                     "zero-entry result.\n");
5444                                 rval = QLA_SUCCESS;
5445                                 break;
5446                         }
5447                 }
5448
5449                 /* If wrap on switch device list, exit. */
5450                 if (first_dev) {
5451                         wrap.b24 = new_fcport->d_id.b24;
5452                         first_dev = 0;
5453                 } else if (new_fcport->d_id.b24 == wrap.b24) {
5454                         ql_dbg(ql_dbg_disc, vha, 0x209f,
5455                             "Device wrap (%02x%02x%02x).\n",
5456                             new_fcport->d_id.b.domain,
5457                             new_fcport->d_id.b.area,
5458                             new_fcport->d_id.b.al_pa);
5459                         break;
5460                 }
5461
5462                 /* Bypass if same physical adapter. */
5463                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
5464                         continue;
5465
5466                 /* Bypass virtual ports of the same host. */
5467                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
5468                         continue;
5469
5470                 /* Bypass if same domain and area of adapter. */
5471                 if (((new_fcport->d_id.b24 & 0xffff00) ==
5472                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
5473                         ISP_CFG_FL)
5474                             continue;
5475
5476                 /* Bypass reserved domain fields. */
5477                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
5478                         continue;
5479
5480                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
5481                 if (ql2xgffidenable &&
5482                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
5483                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
5484                         continue;
5485
5486                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5487
5488                 /* Locate matching device in database. */
5489                 found = 0;
5490                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5491                         if (memcmp(new_fcport->port_name, fcport->port_name,
5492                             WWN_SIZE))
5493                                 continue;
5494
5495                         fcport->scan_state = QLA_FCPORT_FOUND;
5496
5497                         found++;
5498
5499                         /* Update port state. */
5500                         memcpy(fcport->fabric_port_name,
5501                             new_fcport->fabric_port_name, WWN_SIZE);
5502                         fcport->fp_speed = new_fcport->fp_speed;
5503
5504                         /*
5505                          * If address the same and state FCS_ONLINE
5506                          * (or in target mode), nothing changed.
5507                          */
5508                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
5509                             (atomic_read(&fcport->state) == FCS_ONLINE ||
5510                              (vha->host->active_mode == MODE_TARGET))) {
5511                                 break;
5512                         }
5513
5514                         /*
5515                          * If device was not a fabric device before.
5516                          */
5517                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
5518                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5519                                 qla2x00_clear_loop_id(fcport);
5520                                 fcport->flags |= (FCF_FABRIC_DEVICE |
5521                                     FCF_LOGIN_NEEDED);
5522                                 break;
5523                         }
5524
5525                         /*
5526                          * Port ID changed or device was marked to be updated;
5527                          * Log it out if still logged in and mark it for
5528                          * relogin later.
5529                          */
5530                         if (qla_tgt_mode_enabled(base_vha)) {
5531                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
5532                                          "port changed FC ID, %8phC"
5533                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
5534                                          fcport->port_name,
5535                                          fcport->d_id.b.domain,
5536                                          fcport->d_id.b.area,
5537                                          fcport->d_id.b.al_pa,
5538                                          fcport->loop_id,
5539                                          new_fcport->d_id.b.domain,
5540                                          new_fcport->d_id.b.area,
5541                                          new_fcport->d_id.b.al_pa);
5542                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5543                                 break;
5544                         }
5545
5546                         fcport->d_id.b24 = new_fcport->d_id.b24;
5547                         fcport->flags |= FCF_LOGIN_NEEDED;
5548                         break;
5549                 }
5550
5551                 if (fcport->fc4f_nvme) {
5552                         if (fcport->disc_state == DSC_DELETE_PEND) {
5553                                 fcport->disc_state = DSC_GNL;
5554                                 vha->fcport_count--;
5555                                 fcport->login_succ = 0;
5556                         }
5557                 }
5558
5559                 if (found) {
5560                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5561                         continue;
5562                 }
5563                 /* If device was not in our fcports list, then add it. */
5564                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5565                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
5566
5567                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5568
5569
5570                 /* Allocate a new replacement fcport. */
5571                 nxt_d_id.b24 = new_fcport->d_id.b24;
5572                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5573                 if (new_fcport == NULL) {
5574                         ql_log(ql_log_warn, vha, 0xd032,
5575                             "Memory allocation failed for fcport.\n");
5576                         return (QLA_MEMORY_ALLOC_FAILED);
5577                 }
5578                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5579                 new_fcport->d_id.b24 = nxt_d_id.b24;
5580         }
5581
5582         qla2x00_free_fcport(new_fcport);
5583
5584         /*
5585          * Logout all previous fabric dev marked lost, except FCP2 devices.
5586          */
5587         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5588                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5589                         break;
5590
5591                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
5592                     (fcport->flags & FCF_LOGIN_NEEDED) == 0)
5593                         continue;
5594
5595                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5596                         if ((qla_dual_mode_enabled(vha) ||
5597                             qla_ini_mode_enabled(vha)) &&
5598                             atomic_read(&fcport->state) == FCS_ONLINE) {
5599                                 qla2x00_mark_device_lost(vha, fcport,
5600                                         ql2xplogiabsentdevice, 0);
5601                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5602                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5603                                     fcport->port_type != FCT_INITIATOR &&
5604                                     fcport->port_type != FCT_BROADCAST) {
5605                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5606                                             "%s %d %8phC post del sess\n",
5607                                             __func__, __LINE__,
5608                                             fcport->port_name);
5609                                         qlt_schedule_sess_for_deletion(fcport);
5610                                         continue;
5611                                 }
5612                         }
5613                 }
5614
5615                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5616                         qla24xx_fcport_handle_login(vha, fcport);
5617         }
5618         return (rval);
5619 }
5620
5621 /*
5622  * qla2x00_find_new_loop_id
5623  *      Scan through our port list and find a new usable loop ID.
5624  *
5625  * Input:
5626  *      ha:     adapter state pointer.
5627  *      dev:    port structure pointer.
5628  *
5629  * Returns:
5630  *      qla2x00 local function return status code.
5631  *
5632  * Context:
5633  *      Kernel context.
5634  */
5635 int
5636 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
5637 {
5638         int     rval;
5639         struct qla_hw_data *ha = vha->hw;
5640         unsigned long flags = 0;
5641
5642         rval = QLA_SUCCESS;
5643
5644         spin_lock_irqsave(&ha->vport_slock, flags);
5645
5646         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
5647             LOOPID_MAP_SIZE);
5648         if (dev->loop_id >= LOOPID_MAP_SIZE ||
5649             qla2x00_is_reserved_id(vha, dev->loop_id)) {
5650                 dev->loop_id = FC_NO_LOOP_ID;
5651                 rval = QLA_FUNCTION_FAILED;
5652         } else
5653                 set_bit(dev->loop_id, ha->loop_id_map);
5654
5655         spin_unlock_irqrestore(&ha->vport_slock, flags);
5656
5657         if (rval == QLA_SUCCESS)
5658                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
5659                     "Assigning new loopid=%x, portid=%x.\n",
5660                     dev->loop_id, dev->d_id.b24);
5661         else
5662                 ql_log(ql_log_warn, dev->vha, 0x2087,
5663                     "No loop_id's available, portid=%x.\n",
5664                     dev->d_id.b24);
5665
5666         return (rval);
5667 }
5668
5669
5670 /*
5671  * qla2x00_fabric_login
5672  *      Issue fabric login command.
5673  *
5674  * Input:
5675  *      ha = adapter block pointer.
5676  *      device = pointer to FC device type structure.
5677  *
5678  * Returns:
5679  *      0 - Login successfully
5680  *      1 - Login failed
5681  *      2 - Initiator device
5682  *      3 - Fatal error
5683  */
5684 int
5685 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
5686     uint16_t *next_loopid)
5687 {
5688         int     rval;
5689         int     retry;
5690         uint16_t tmp_loopid;
5691         uint16_t mb[MAILBOX_REGISTER_COUNT];
5692         struct qla_hw_data *ha = vha->hw;
5693
5694         retry = 0;
5695         tmp_loopid = 0;
5696
5697         for (;;) {
5698                 ql_dbg(ql_dbg_disc, vha, 0x2000,
5699                     "Trying Fabric Login w/loop id 0x%04x for port "
5700                     "%02x%02x%02x.\n",
5701                     fcport->loop_id, fcport->d_id.b.domain,
5702                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
5703
5704                 /* Login fcport on switch. */
5705                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
5706                     fcport->d_id.b.domain, fcport->d_id.b.area,
5707                     fcport->d_id.b.al_pa, mb, BIT_0);
5708                 if (rval != QLA_SUCCESS) {
5709                         return rval;
5710                 }
5711                 if (mb[0] == MBS_PORT_ID_USED) {
5712                         /*
5713                          * Device has another loop ID.  The firmware team
5714                          * recommends the driver perform an implicit login with
5715                          * the specified ID again. The ID we just used is save
5716                          * here so we return with an ID that can be tried by
5717                          * the next login.
5718                          */
5719                         retry++;
5720                         tmp_loopid = fcport->loop_id;
5721                         fcport->loop_id = mb[1];
5722
5723                         ql_dbg(ql_dbg_disc, vha, 0x2001,
5724                             "Fabric Login: port in use - next loop "
5725                             "id=0x%04x, port id= %02x%02x%02x.\n",
5726                             fcport->loop_id, fcport->d_id.b.domain,
5727                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
5728
5729                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
5730                         /*
5731                          * Login succeeded.
5732                          */
5733                         if (retry) {
5734                                 /* A retry occurred before. */
5735                                 *next_loopid = tmp_loopid;
5736                         } else {
5737                                 /*
5738                                  * No retry occurred before. Just increment the
5739                                  * ID value for next login.
5740                                  */
5741                                 *next_loopid = (fcport->loop_id + 1);
5742                         }
5743
5744                         if (mb[1] & BIT_0) {
5745                                 fcport->port_type = FCT_INITIATOR;
5746                         } else {
5747                                 fcport->port_type = FCT_TARGET;
5748                                 if (mb[1] & BIT_1) {
5749                                         fcport->flags |= FCF_FCP2_DEVICE;
5750                                 }
5751                         }
5752
5753                         if (mb[10] & BIT_0)
5754                                 fcport->supported_classes |= FC_COS_CLASS2;
5755                         if (mb[10] & BIT_1)
5756                                 fcport->supported_classes |= FC_COS_CLASS3;
5757
5758                         if (IS_FWI2_CAPABLE(ha)) {
5759                                 if (mb[10] & BIT_7)
5760                                         fcport->flags |=
5761                                             FCF_CONF_COMP_SUPPORTED;
5762                         }
5763
5764                         rval = QLA_SUCCESS;
5765                         break;
5766                 } else if (mb[0] == MBS_LOOP_ID_USED) {
5767                         /*
5768                          * Loop ID already used, try next loop ID.
5769                          */
5770                         fcport->loop_id++;
5771                         rval = qla2x00_find_new_loop_id(vha, fcport);
5772                         if (rval != QLA_SUCCESS) {
5773                                 /* Ran out of loop IDs to use */
5774                                 break;
5775                         }
5776                 } else if (mb[0] == MBS_COMMAND_ERROR) {
5777                         /*
5778                          * Firmware possibly timed out during login. If NO
5779                          * retries are left to do then the device is declared
5780                          * dead.
5781                          */
5782                         *next_loopid = fcport->loop_id;
5783                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
5784                             fcport->d_id.b.domain, fcport->d_id.b.area,
5785                             fcport->d_id.b.al_pa);
5786                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
5787
5788                         rval = 1;
5789                         break;
5790                 } else {
5791                         /*
5792                          * unrecoverable / not handled error
5793                          */
5794                         ql_dbg(ql_dbg_disc, vha, 0x2002,
5795                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
5796                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
5797                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
5798                             fcport->loop_id, jiffies);
5799
5800                         *next_loopid = fcport->loop_id;
5801                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
5802                             fcport->d_id.b.domain, fcport->d_id.b.area,
5803                             fcport->d_id.b.al_pa);
5804                         qla2x00_clear_loop_id(fcport);
5805                         fcport->login_retry = 0;
5806
5807                         rval = 3;
5808                         break;
5809                 }
5810         }
5811
5812         return (rval);
5813 }
5814
5815 /*
5816  * qla2x00_local_device_login
5817  *      Issue local device login command.
5818  *
5819  * Input:
5820  *      ha = adapter block pointer.
5821  *      loop_id = loop id of device to login to.
5822  *
5823  * Returns (Where's the #define!!!!):
5824  *      0 - Login successfully
5825  *      1 - Login failed
5826  *      3 - Fatal error
5827  */
5828 int
5829 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
5830 {
5831         int             rval;
5832         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5833
5834         memset(mb, 0, sizeof(mb));
5835         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
5836         if (rval == QLA_SUCCESS) {
5837                 /* Interrogate mailbox registers for any errors */
5838                 if (mb[0] == MBS_COMMAND_ERROR)
5839                         rval = 1;
5840                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
5841                         /* device not in PCB table */
5842                         rval = 3;
5843         }
5844
5845         return (rval);
5846 }
5847
5848 /*
5849  *  qla2x00_loop_resync
5850  *      Resync with fibre channel devices.
5851  *
5852  * Input:
5853  *      ha = adapter block pointer.
5854  *
5855  * Returns:
5856  *      0 = success
5857  */
5858 int
5859 qla2x00_loop_resync(scsi_qla_host_t *vha)
5860 {
5861         int rval = QLA_SUCCESS;
5862         uint32_t wait_time;
5863         struct req_que *req;
5864         struct rsp_que *rsp;
5865
5866         req = vha->req;
5867         rsp = req->rsp;
5868
5869         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5870         if (vha->flags.online) {
5871                 if (!(rval = qla2x00_fw_ready(vha))) {
5872                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5873                         wait_time = 256;
5874                         do {
5875                                 if (!IS_QLAFX00(vha->hw)) {
5876                                         /*
5877                                          * Issue a marker after FW becomes
5878                                          * ready.
5879                                          */
5880                                         qla2x00_marker(vha, req, rsp, 0, 0,
5881                                                 MK_SYNC_ALL);
5882                                         vha->marker_needed = 0;
5883                                 }
5884
5885                                 /* Remap devices on Loop. */
5886                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5887
5888                                 if (IS_QLAFX00(vha->hw))
5889                                         qlafx00_configure_devices(vha);
5890                                 else
5891                                         qla2x00_configure_loop(vha);
5892
5893                                 wait_time--;
5894                         } while (!atomic_read(&vha->loop_down_timer) &&
5895                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
5896                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
5897                                 &vha->dpc_flags)));
5898                 }
5899         }
5900
5901         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
5902                 return (QLA_FUNCTION_FAILED);
5903
5904         if (rval)
5905                 ql_dbg(ql_dbg_disc, vha, 0x206c,
5906                     "%s *** FAILED ***.\n", __func__);
5907
5908         return (rval);
5909 }
5910
5911 /*
5912 * qla2x00_perform_loop_resync
5913 * Description: This function will set the appropriate flags and call
5914 *              qla2x00_loop_resync. If successful loop will be resynced
5915 * Arguments : scsi_qla_host_t pointer
5916 * returm    : Success or Failure
5917 */
5918
5919 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
5920 {
5921         int32_t rval = 0;
5922
5923         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
5924                 /*Configure the flags so that resync happens properly*/
5925                 atomic_set(&ha->loop_down_timer, 0);
5926                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
5927                         atomic_set(&ha->loop_state, LOOP_UP);
5928                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
5929                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
5930                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
5931
5932                         rval = qla2x00_loop_resync(ha);
5933                 } else
5934                         atomic_set(&ha->loop_state, LOOP_DEAD);
5935
5936                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
5937         }
5938
5939         return rval;
5940 }
5941
5942 void
5943 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
5944 {
5945         fc_port_t *fcport;
5946         struct scsi_qla_host *vha;
5947         struct qla_hw_data *ha = base_vha->hw;
5948         unsigned long flags;
5949
5950         spin_lock_irqsave(&ha->vport_slock, flags);
5951         /* Go with deferred removal of rport references. */
5952         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
5953                 atomic_inc(&vha->vref_count);
5954                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5955                         if (fcport->drport &&
5956                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
5957                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5958                                 qla2x00_rport_del(fcport);
5959
5960                                 spin_lock_irqsave(&ha->vport_slock, flags);
5961                         }
5962                 }
5963                 atomic_dec(&vha->vref_count);
5964                 wake_up(&vha->vref_waitq);
5965         }
5966         spin_unlock_irqrestore(&ha->vport_slock, flags);
5967 }
5968
5969 /* Assumes idc_lock always held on entry */
5970 void
5971 qla83xx_reset_ownership(scsi_qla_host_t *vha)
5972 {
5973         struct qla_hw_data *ha = vha->hw;
5974         uint32_t drv_presence, drv_presence_mask;
5975         uint32_t dev_part_info1, dev_part_info2, class_type;
5976         uint32_t class_type_mask = 0x3;
5977         uint16_t fcoe_other_function = 0xffff, i;
5978
5979         if (IS_QLA8044(ha)) {
5980                 drv_presence = qla8044_rd_direct(vha,
5981                     QLA8044_CRB_DRV_ACTIVE_INDEX);
5982                 dev_part_info1 = qla8044_rd_direct(vha,
5983                     QLA8044_CRB_DEV_PART_INFO_INDEX);
5984                 dev_part_info2 = qla8044_rd_direct(vha,
5985                     QLA8044_CRB_DEV_PART_INFO2);
5986         } else {
5987                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5988                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
5989                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
5990         }
5991         for (i = 0; i < 8; i++) {
5992                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
5993                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
5994                     (i != ha->portnum)) {
5995                         fcoe_other_function = i;
5996                         break;
5997                 }
5998         }
5999         if (fcoe_other_function == 0xffff) {
6000                 for (i = 0; i < 8; i++) {
6001                         class_type = ((dev_part_info2 >> (i * 4)) &
6002                             class_type_mask);
6003                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6004                             ((i + 8) != ha->portnum)) {
6005                                 fcoe_other_function = i + 8;
6006                                 break;
6007                         }
6008                 }
6009         }
6010         /*
6011          * Prepare drv-presence mask based on fcoe functions present.
6012          * However consider only valid physical fcoe function numbers (0-15).
6013          */
6014         drv_presence_mask = ~((1 << (ha->portnum)) |
6015                         ((fcoe_other_function == 0xffff) ?
6016                          0 : (1 << (fcoe_other_function))));
6017
6018         /* We are the reset owner iff:
6019          *    - No other protocol drivers present.
6020          *    - This is the lowest among fcoe functions. */
6021         if (!(drv_presence & drv_presence_mask) &&
6022                         (ha->portnum < fcoe_other_function)) {
6023                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6024                     "This host is Reset owner.\n");
6025                 ha->flags.nic_core_reset_owner = 1;
6026         }
6027 }
6028
6029 static int
6030 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6031 {
6032         int rval = QLA_SUCCESS;
6033         struct qla_hw_data *ha = vha->hw;
6034         uint32_t drv_ack;
6035
6036         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6037         if (rval == QLA_SUCCESS) {
6038                 drv_ack |= (1 << ha->portnum);
6039                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6040         }
6041
6042         return rval;
6043 }
6044
6045 static int
6046 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6047 {
6048         int rval = QLA_SUCCESS;
6049         struct qla_hw_data *ha = vha->hw;
6050         uint32_t drv_ack;
6051
6052         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6053         if (rval == QLA_SUCCESS) {
6054                 drv_ack &= ~(1 << ha->portnum);
6055                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6056         }
6057
6058         return rval;
6059 }
6060
6061 static const char *
6062 qla83xx_dev_state_to_string(uint32_t dev_state)
6063 {
6064         switch (dev_state) {
6065         case QLA8XXX_DEV_COLD:
6066                 return "COLD/RE-INIT";
6067         case QLA8XXX_DEV_INITIALIZING:
6068                 return "INITIALIZING";
6069         case QLA8XXX_DEV_READY:
6070                 return "READY";
6071         case QLA8XXX_DEV_NEED_RESET:
6072                 return "NEED RESET";
6073         case QLA8XXX_DEV_NEED_QUIESCENT:
6074                 return "NEED QUIESCENT";
6075         case QLA8XXX_DEV_FAILED:
6076                 return "FAILED";
6077         case QLA8XXX_DEV_QUIESCENT:
6078                 return "QUIESCENT";
6079         default:
6080                 return "Unknown";
6081         }
6082 }
6083
6084 /* Assumes idc-lock always held on entry */
6085 void
6086 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6087 {
6088         struct qla_hw_data *ha = vha->hw;
6089         uint32_t idc_audit_reg = 0, duration_secs = 0;
6090
6091         switch (audit_type) {
6092         case IDC_AUDIT_TIMESTAMP:
6093                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6094                 idc_audit_reg = (ha->portnum) |
6095                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6096                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6097                 break;
6098
6099         case IDC_AUDIT_COMPLETION:
6100                 duration_secs = ((jiffies_to_msecs(jiffies) -
6101                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6102                 idc_audit_reg = (ha->portnum) |
6103                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6104                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6105                 break;
6106
6107         default:
6108                 ql_log(ql_log_warn, vha, 0xb078,
6109                     "Invalid audit type specified.\n");
6110                 break;
6111         }
6112 }
6113
6114 /* Assumes idc_lock always held on entry */
6115 static int
6116 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6117 {
6118         struct qla_hw_data *ha = vha->hw;
6119         uint32_t  idc_control, dev_state;
6120
6121         __qla83xx_get_idc_control(vha, &idc_control);
6122         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6123                 ql_log(ql_log_info, vha, 0xb080,
6124                     "NIC Core reset has been disabled. idc-control=0x%x\n",
6125                     idc_control);
6126                 return QLA_FUNCTION_FAILED;
6127         }
6128
6129         /* Set NEED-RESET iff in READY state and we are the reset-owner */
6130         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6131         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6132                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6133                     QLA8XXX_DEV_NEED_RESET);
6134                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6135                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6136         } else {
6137                 const char *state = qla83xx_dev_state_to_string(dev_state);
6138                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
6139
6140                 /* SV: XXX: Is timeout required here? */
6141                 /* Wait for IDC state change READY -> NEED_RESET */
6142                 while (dev_state == QLA8XXX_DEV_READY) {
6143                         qla83xx_idc_unlock(vha, 0);
6144                         msleep(200);
6145                         qla83xx_idc_lock(vha, 0);
6146                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6147                 }
6148         }
6149
6150         /* Send IDC ack by writing to drv-ack register */
6151         __qla83xx_set_drv_ack(vha);
6152
6153         return QLA_SUCCESS;
6154 }
6155
6156 int
6157 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6158 {
6159         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6160 }
6161
6162 int
6163 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6164 {
6165         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6166 }
6167
6168 static int
6169 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6170 {
6171         uint32_t drv_presence = 0;
6172         struct qla_hw_data *ha = vha->hw;
6173
6174         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6175         if (drv_presence & (1 << ha->portnum))
6176                 return QLA_SUCCESS;
6177         else
6178                 return QLA_TEST_FAILED;
6179 }
6180
6181 int
6182 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6183 {
6184         int rval = QLA_SUCCESS;
6185         struct qla_hw_data *ha = vha->hw;
6186
6187         ql_dbg(ql_dbg_p3p, vha, 0xb058,
6188             "Entered  %s().\n", __func__);
6189
6190         if (vha->device_flags & DFLG_DEV_FAILED) {
6191                 ql_log(ql_log_warn, vha, 0xb059,
6192                     "Device in unrecoverable FAILED state.\n");
6193                 return QLA_FUNCTION_FAILED;
6194         }
6195
6196         qla83xx_idc_lock(vha, 0);
6197
6198         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6199                 ql_log(ql_log_warn, vha, 0xb05a,
6200                     "Function=0x%x has been removed from IDC participation.\n",
6201                     ha->portnum);
6202                 rval = QLA_FUNCTION_FAILED;
6203                 goto exit;
6204         }
6205
6206         qla83xx_reset_ownership(vha);
6207
6208         rval = qla83xx_initiating_reset(vha);
6209
6210         /*
6211          * Perform reset if we are the reset-owner,
6212          * else wait till IDC state changes to READY/FAILED.
6213          */
6214         if (rval == QLA_SUCCESS) {
6215                 rval = qla83xx_idc_state_handler(vha);
6216
6217                 if (rval == QLA_SUCCESS)
6218                         ha->flags.nic_core_hung = 0;
6219                 __qla83xx_clear_drv_ack(vha);
6220         }
6221
6222 exit:
6223         qla83xx_idc_unlock(vha, 0);
6224
6225         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6226
6227         return rval;
6228 }
6229
6230 int
6231 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6232 {
6233         struct qla_hw_data *ha = vha->hw;
6234         int rval = QLA_FUNCTION_FAILED;
6235
6236         if (!IS_MCTP_CAPABLE(ha)) {
6237                 /* This message can be removed from the final version */
6238                 ql_log(ql_log_info, vha, 0x506d,
6239                     "This board is not MCTP capable\n");
6240                 return rval;
6241         }
6242
6243         if (!ha->mctp_dump) {
6244                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6245                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6246
6247                 if (!ha->mctp_dump) {
6248                         ql_log(ql_log_warn, vha, 0x506e,
6249                             "Failed to allocate memory for mctp dump\n");
6250                         return rval;
6251                 }
6252         }
6253
6254 #define MCTP_DUMP_STR_ADDR      0x00000000
6255         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6256             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6257         if (rval != QLA_SUCCESS) {
6258                 ql_log(ql_log_warn, vha, 0x506f,
6259                     "Failed to capture mctp dump\n");
6260         } else {
6261                 ql_log(ql_log_info, vha, 0x5070,
6262                     "Mctp dump capture for host (%ld/%p).\n",
6263                     vha->host_no, ha->mctp_dump);
6264                 ha->mctp_dumped = 1;
6265         }
6266
6267         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6268                 ha->flags.nic_core_reset_hdlr_active = 1;
6269                 rval = qla83xx_restart_nic_firmware(vha);
6270                 if (rval)
6271                         /* NIC Core reset failed. */
6272                         ql_log(ql_log_warn, vha, 0x5071,
6273                             "Failed to restart nic firmware\n");
6274                 else
6275                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
6276                             "Restarted NIC firmware successfully.\n");
6277                 ha->flags.nic_core_reset_hdlr_active = 0;
6278         }
6279
6280         return rval;
6281
6282 }
6283
6284 /*
6285 * qla2x00_quiesce_io
6286 * Description: This function will block the new I/Os
6287 *              Its not aborting any I/Os as context
6288 *              is not destroyed during quiescence
6289 * Arguments: scsi_qla_host_t
6290 * return   : void
6291 */
6292 void
6293 qla2x00_quiesce_io(scsi_qla_host_t *vha)
6294 {
6295         struct qla_hw_data *ha = vha->hw;
6296         struct scsi_qla_host *vp;
6297
6298         ql_dbg(ql_dbg_dpc, vha, 0x401d,
6299             "Quiescing I/O - ha=%p.\n", ha);
6300
6301         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
6302         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6303                 atomic_set(&vha->loop_state, LOOP_DOWN);
6304                 qla2x00_mark_all_devices_lost(vha, 0);
6305                 list_for_each_entry(vp, &ha->vp_list, list)
6306                         qla2x00_mark_all_devices_lost(vp, 0);
6307         } else {
6308                 if (!atomic_read(&vha->loop_down_timer))
6309                         atomic_set(&vha->loop_down_timer,
6310                                         LOOP_DOWN_TIME);
6311         }
6312         /* Wait for pending cmds to complete */
6313         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
6314 }
6315
6316 void
6317 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
6318 {
6319         struct qla_hw_data *ha = vha->hw;
6320         struct scsi_qla_host *vp;
6321         unsigned long flags;
6322         fc_port_t *fcport;
6323         u16 i;
6324
6325         /* For ISP82XX, driver waits for completion of the commands.
6326          * online flag should be set.
6327          */
6328         if (!(IS_P3P_TYPE(ha)))
6329                 vha->flags.online = 0;
6330         ha->flags.chip_reset_done = 0;
6331         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6332         vha->qla_stats.total_isp_aborts++;
6333
6334         ql_log(ql_log_info, vha, 0x00af,
6335             "Performing ISP error recovery - ha=%p.\n", ha);
6336
6337         /* For ISP82XX, reset_chip is just disabling interrupts.
6338          * Driver waits for the completion of the commands.
6339          * the interrupts need to be enabled.
6340          */
6341         if (!(IS_P3P_TYPE(ha)))
6342                 ha->isp_ops->reset_chip(vha);
6343
6344         SAVE_TOPO(ha);
6345         ha->flags.rida_fmt2 = 0;
6346         ha->flags.n2n_ae = 0;
6347         ha->flags.lip_ae = 0;
6348         ha->current_topology = 0;
6349         ha->flags.fw_started = 0;
6350         ha->flags.fw_init_done = 0;
6351         ha->base_qpair->chip_reset++;
6352         for (i = 0; i < ha->max_qpairs; i++) {
6353                 if (ha->queue_pair_map[i])
6354                         ha->queue_pair_map[i]->chip_reset =
6355                                 ha->base_qpair->chip_reset;
6356         }
6357
6358         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
6359         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6360                 atomic_set(&vha->loop_state, LOOP_DOWN);
6361                 qla2x00_mark_all_devices_lost(vha, 0);
6362
6363                 spin_lock_irqsave(&ha->vport_slock, flags);
6364                 list_for_each_entry(vp, &ha->vp_list, list) {
6365                         atomic_inc(&vp->vref_count);
6366                         spin_unlock_irqrestore(&ha->vport_slock, flags);
6367
6368                         qla2x00_mark_all_devices_lost(vp, 0);
6369
6370                         spin_lock_irqsave(&ha->vport_slock, flags);
6371                         atomic_dec(&vp->vref_count);
6372                 }
6373                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6374         } else {
6375                 if (!atomic_read(&vha->loop_down_timer))
6376                         atomic_set(&vha->loop_down_timer,
6377                             LOOP_DOWN_TIME);
6378         }
6379
6380         /* Clear all async request states across all VPs. */
6381         list_for_each_entry(fcport, &vha->vp_fcports, list)
6382                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6383         spin_lock_irqsave(&ha->vport_slock, flags);
6384         list_for_each_entry(vp, &ha->vp_list, list) {
6385                 atomic_inc(&vp->vref_count);
6386                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6387
6388                 list_for_each_entry(fcport, &vp->vp_fcports, list)
6389                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6390
6391                 spin_lock_irqsave(&ha->vport_slock, flags);
6392                 atomic_dec(&vp->vref_count);
6393         }
6394         spin_unlock_irqrestore(&ha->vport_slock, flags);
6395
6396         if (!ha->flags.eeh_busy) {
6397                 /* Make sure for ISP 82XX IO DMA is complete */
6398                 if (IS_P3P_TYPE(ha)) {
6399                         qla82xx_chip_reset_cleanup(vha);
6400                         ql_log(ql_log_info, vha, 0x00b4,
6401                             "Done chip reset cleanup.\n");
6402
6403                         /* Done waiting for pending commands.
6404                          * Reset the online flag.
6405                          */
6406                         vha->flags.online = 0;
6407                 }
6408
6409                 /* Requeue all commands in outstanding command list. */
6410                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6411         }
6412         /* memory barrier */
6413         wmb();
6414 }
6415
6416 /*
6417 *  qla2x00_abort_isp
6418 *      Resets ISP and aborts all outstanding commands.
6419 *
6420 * Input:
6421 *      ha           = adapter block pointer.
6422 *
6423 * Returns:
6424 *      0 = success
6425 */
6426 int
6427 qla2x00_abort_isp(scsi_qla_host_t *vha)
6428 {
6429         int rval;
6430         uint8_t        status = 0;
6431         struct qla_hw_data *ha = vha->hw;
6432         struct scsi_qla_host *vp;
6433         struct req_que *req = ha->req_q_map[0];
6434         unsigned long flags;
6435
6436         if (vha->flags.online) {
6437                 qla2x00_abort_isp_cleanup(vha);
6438
6439                 if (IS_QLA8031(ha)) {
6440                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
6441                             "Clearing fcoe driver presence.\n");
6442                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
6443                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
6444                                     "Error while clearing DRV-Presence.\n");
6445                 }
6446
6447                 if (unlikely(pci_channel_offline(ha->pdev) &&
6448                     ha->flags.pci_channel_io_perm_failure)) {
6449                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6450                         status = 0;
6451                         return status;
6452                 }
6453
6454                 ha->isp_ops->get_flash_version(vha, req->ring);
6455
6456                 ha->isp_ops->nvram_config(vha);
6457
6458                 if (!qla2x00_restart_isp(vha)) {
6459                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6460
6461                         if (!atomic_read(&vha->loop_down_timer)) {
6462                                 /*
6463                                  * Issue marker command only when we are going
6464                                  * to start the I/O .
6465                                  */
6466                                 vha->marker_needed = 1;
6467                         }
6468
6469                         vha->flags.online = 1;
6470
6471                         ha->isp_ops->enable_intrs(ha);
6472
6473                         ha->isp_abort_cnt = 0;
6474                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6475
6476                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
6477                                 qla2x00_get_fw_version(vha);
6478                         if (ha->fce) {
6479                                 ha->flags.fce_enabled = 1;
6480                                 memset(ha->fce, 0,
6481                                     fce_calc_size(ha->fce_bufs));
6482                                 rval = qla2x00_enable_fce_trace(vha,
6483                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6484                                     &ha->fce_bufs);
6485                                 if (rval) {
6486                                         ql_log(ql_log_warn, vha, 0x8033,
6487                                             "Unable to reinitialize FCE "
6488                                             "(%d).\n", rval);
6489                                         ha->flags.fce_enabled = 0;
6490                                 }
6491                         }
6492
6493                         if (ha->eft) {
6494                                 memset(ha->eft, 0, EFT_SIZE);
6495                                 rval = qla2x00_enable_eft_trace(vha,
6496                                     ha->eft_dma, EFT_NUM_BUFFERS);
6497                                 if (rval) {
6498                                         ql_log(ql_log_warn, vha, 0x8034,
6499                                             "Unable to reinitialize EFT "
6500                                             "(%d).\n", rval);
6501                                 }
6502                         }
6503                 } else {        /* failed the ISP abort */
6504                         vha->flags.online = 1;
6505                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
6506                                 if (ha->isp_abort_cnt == 0) {
6507                                         ql_log(ql_log_fatal, vha, 0x8035,
6508                                             "ISP error recover failed - "
6509                                             "board disabled.\n");
6510                                         /*
6511                                          * The next call disables the board
6512                                          * completely.
6513                                          */
6514                                         ha->isp_ops->reset_adapter(vha);
6515                                         vha->flags.online = 0;
6516                                         clear_bit(ISP_ABORT_RETRY,
6517                                             &vha->dpc_flags);
6518                                         status = 0;
6519                                 } else { /* schedule another ISP abort */
6520                                         ha->isp_abort_cnt--;
6521                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
6522                                             "ISP abort - retry remaining %d.\n",
6523                                             ha->isp_abort_cnt);
6524                                         status = 1;
6525                                 }
6526                         } else {
6527                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
6528                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
6529                                     "ISP error recovery - retrying (%d) "
6530                                     "more times.\n", ha->isp_abort_cnt);
6531                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6532                                 status = 1;
6533                         }
6534                 }
6535
6536         }
6537
6538         if (!status) {
6539                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
6540                 qla2x00_configure_hba(vha);
6541                 spin_lock_irqsave(&ha->vport_slock, flags);
6542                 list_for_each_entry(vp, &ha->vp_list, list) {
6543                         if (vp->vp_idx) {
6544                                 atomic_inc(&vp->vref_count);
6545                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6546
6547                                 qla2x00_vp_abort_isp(vp);
6548
6549                                 spin_lock_irqsave(&ha->vport_slock, flags);
6550                                 atomic_dec(&vp->vref_count);
6551                         }
6552                 }
6553                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6554
6555                 if (IS_QLA8031(ha)) {
6556                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
6557                             "Setting back fcoe driver presence.\n");
6558                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
6559                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
6560                                     "Error while setting DRV-Presence.\n");
6561                 }
6562         } else {
6563                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
6564                        __func__);
6565         }
6566
6567         return(status);
6568 }
6569
6570 /*
6571 *  qla2x00_restart_isp
6572 *      restarts the ISP after a reset
6573 *
6574 * Input:
6575 *      ha = adapter block pointer.
6576 *
6577 * Returns:
6578 *      0 = success
6579 */
6580 static int
6581 qla2x00_restart_isp(scsi_qla_host_t *vha)
6582 {
6583         int status = 0;
6584         struct qla_hw_data *ha = vha->hw;
6585         struct req_que *req = ha->req_q_map[0];
6586         struct rsp_que *rsp = ha->rsp_q_map[0];
6587
6588         /* If firmware needs to be loaded */
6589         if (qla2x00_isp_firmware(vha)) {
6590                 vha->flags.online = 0;
6591                 status = ha->isp_ops->chip_diag(vha);
6592                 if (!status)
6593                         status = qla2x00_setup_chip(vha);
6594         }
6595
6596         if (!status && !(status = qla2x00_init_rings(vha))) {
6597                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6598                 ha->flags.chip_reset_done = 1;
6599
6600                 /* Initialize the queues in use */
6601                 qla25xx_init_queues(ha);
6602
6603                 status = qla2x00_fw_ready(vha);
6604                 if (!status) {
6605                         /* Issue a marker after FW becomes ready. */
6606                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6607                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6608                 }
6609
6610                 /* if no cable then assume it's good */
6611                 if ((vha->device_flags & DFLG_NO_CABLE))
6612                         status = 0;
6613         }
6614         return (status);
6615 }
6616
6617 static int
6618 qla25xx_init_queues(struct qla_hw_data *ha)
6619 {
6620         struct rsp_que *rsp = NULL;
6621         struct req_que *req = NULL;
6622         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6623         int ret = -1;
6624         int i;
6625
6626         for (i = 1; i < ha->max_rsp_queues; i++) {
6627                 rsp = ha->rsp_q_map[i];
6628                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
6629                         rsp->options &= ~BIT_0;
6630                         ret = qla25xx_init_rsp_que(base_vha, rsp);
6631                         if (ret != QLA_SUCCESS)
6632                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
6633                                     "%s Rsp que: %d init failed.\n",
6634                                     __func__, rsp->id);
6635                         else
6636                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
6637                                     "%s Rsp que: %d inited.\n",
6638                                     __func__, rsp->id);
6639                 }
6640         }
6641         for (i = 1; i < ha->max_req_queues; i++) {
6642                 req = ha->req_q_map[i];
6643                 if (req && test_bit(i, ha->req_qid_map)) {
6644                         /* Clear outstanding commands array. */
6645                         req->options &= ~BIT_0;
6646                         ret = qla25xx_init_req_que(base_vha, req);
6647                         if (ret != QLA_SUCCESS)
6648                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
6649                                     "%s Req que: %d init failed.\n",
6650                                     __func__, req->id);
6651                         else
6652                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
6653                                     "%s Req que: %d inited.\n",
6654                                     __func__, req->id);
6655                 }
6656         }
6657         return ret;
6658 }
6659
6660 /*
6661 * qla2x00_reset_adapter
6662 *      Reset adapter.
6663 *
6664 * Input:
6665 *      ha = adapter block pointer.
6666 */
6667 void
6668 qla2x00_reset_adapter(scsi_qla_host_t *vha)
6669 {
6670         unsigned long flags = 0;
6671         struct qla_hw_data *ha = vha->hw;
6672         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
6673
6674         vha->flags.online = 0;
6675         ha->isp_ops->disable_intrs(ha);
6676
6677         spin_lock_irqsave(&ha->hardware_lock, flags);
6678         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
6679         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
6680         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
6681         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
6682         spin_unlock_irqrestore(&ha->hardware_lock, flags);
6683 }
6684
6685 void
6686 qla24xx_reset_adapter(scsi_qla_host_t *vha)
6687 {
6688         unsigned long flags = 0;
6689         struct qla_hw_data *ha = vha->hw;
6690         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
6691
6692         if (IS_P3P_TYPE(ha))
6693                 return;
6694
6695         vha->flags.online = 0;
6696         ha->isp_ops->disable_intrs(ha);
6697
6698         spin_lock_irqsave(&ha->hardware_lock, flags);
6699         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
6700         RD_REG_DWORD(&reg->hccr);
6701         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
6702         RD_REG_DWORD(&reg->hccr);
6703         spin_unlock_irqrestore(&ha->hardware_lock, flags);
6704
6705         if (IS_NOPOLLING_TYPE(ha))
6706                 ha->isp_ops->enable_intrs(ha);
6707 }
6708
6709 /* On sparc systems, obtain port and node WWN from firmware
6710  * properties.
6711  */
6712 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
6713         struct nvram_24xx *nv)
6714 {
6715 #ifdef CONFIG_SPARC
6716         struct qla_hw_data *ha = vha->hw;
6717         struct pci_dev *pdev = ha->pdev;
6718         struct device_node *dp = pci_device_to_OF_node(pdev);
6719         const u8 *val;
6720         int len;
6721
6722         val = of_get_property(dp, "port-wwn", &len);
6723         if (val && len >= WWN_SIZE)
6724                 memcpy(nv->port_name, val, WWN_SIZE);
6725
6726         val = of_get_property(dp, "node-wwn", &len);
6727         if (val && len >= WWN_SIZE)
6728                 memcpy(nv->node_name, val, WWN_SIZE);
6729 #endif
6730 }
6731
6732 int
6733 qla24xx_nvram_config(scsi_qla_host_t *vha)
6734 {
6735         int   rval;
6736         struct init_cb_24xx *icb;
6737         struct nvram_24xx *nv;
6738         uint32_t *dptr;
6739         uint8_t  *dptr1, *dptr2;
6740         uint32_t chksum;
6741         uint16_t cnt;
6742         struct qla_hw_data *ha = vha->hw;
6743
6744         rval = QLA_SUCCESS;
6745         icb = (struct init_cb_24xx *)ha->init_cb;
6746         nv = ha->nvram;
6747
6748         /* Determine NVRAM starting address. */
6749         if (ha->port_no == 0) {
6750                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6751                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
6752         } else {
6753                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6754                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
6755         }
6756
6757         ha->nvram_size = sizeof(struct nvram_24xx);
6758         ha->vpd_size = FA_NVRAM_VPD_SIZE;
6759
6760         /* Get VPD data into cache */
6761         ha->vpd = ha->nvram + VPD_OFFSET;
6762         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
6763             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
6764
6765         /* Get NVRAM data into cache and calculate checksum. */
6766         dptr = (uint32_t *)nv;
6767         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
6768             ha->nvram_size);
6769         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
6770                 chksum += le32_to_cpu(*dptr);
6771
6772         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
6773             "Contents of NVRAM\n");
6774         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
6775             (uint8_t *)nv, ha->nvram_size);
6776
6777         /* Bad NVRAM data, set defaults parameters. */
6778         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
6779             || nv->id[3] != ' ' ||
6780             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
6781                 /* Reset NVRAM data. */
6782                 ql_log(ql_log_warn, vha, 0x006b,
6783                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
6784                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
6785                 ql_log(ql_log_warn, vha, 0x006c,
6786                     "Falling back to functioning (yet invalid -- WWPN) "
6787                     "defaults.\n");
6788
6789                 /*
6790                  * Set default initialization control block.
6791                  */
6792                 memset(nv, 0, ha->nvram_size);
6793                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
6794                 nv->version = cpu_to_le16(ICB_VERSION);
6795                 nv->frame_payload_size = 2048;
6796                 nv->execution_throttle = cpu_to_le16(0xFFFF);
6797                 nv->exchange_count = cpu_to_le16(0);
6798                 nv->hard_address = cpu_to_le16(124);
6799                 nv->port_name[0] = 0x21;
6800                 nv->port_name[1] = 0x00 + ha->port_no + 1;
6801                 nv->port_name[2] = 0x00;
6802                 nv->port_name[3] = 0xe0;
6803                 nv->port_name[4] = 0x8b;
6804                 nv->port_name[5] = 0x1c;
6805                 nv->port_name[6] = 0x55;
6806                 nv->port_name[7] = 0x86;
6807                 nv->node_name[0] = 0x20;
6808                 nv->node_name[1] = 0x00;
6809                 nv->node_name[2] = 0x00;
6810                 nv->node_name[3] = 0xe0;
6811                 nv->node_name[4] = 0x8b;
6812                 nv->node_name[5] = 0x1c;
6813                 nv->node_name[6] = 0x55;
6814                 nv->node_name[7] = 0x86;
6815                 qla24xx_nvram_wwn_from_ofw(vha, nv);
6816                 nv->login_retry_count = cpu_to_le16(8);
6817                 nv->interrupt_delay_timer = cpu_to_le16(0);
6818                 nv->login_timeout = cpu_to_le16(0);
6819                 nv->firmware_options_1 =
6820                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
6821                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
6822                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
6823                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
6824                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
6825                 nv->efi_parameters = cpu_to_le32(0);
6826                 nv->reset_delay = 5;
6827                 nv->max_luns_per_target = cpu_to_le16(128);
6828                 nv->port_down_retry_count = cpu_to_le16(30);
6829                 nv->link_down_timeout = cpu_to_le16(30);
6830
6831                 rval = 1;
6832         }
6833
6834         if (qla_tgt_mode_enabled(vha)) {
6835                 /* Don't enable full login after initial LIP */
6836                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
6837                 /* Don't enable LIP full login for initiator */
6838                 nv->host_p &= cpu_to_le32(~BIT_10);
6839         }
6840
6841         qlt_24xx_config_nvram_stage1(vha, nv);
6842
6843         /* Reset Initialization control block */
6844         memset(icb, 0, ha->init_cb_size);
6845
6846         /* Copy 1st segment. */
6847         dptr1 = (uint8_t *)icb;
6848         dptr2 = (uint8_t *)&nv->version;
6849         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
6850         while (cnt--)
6851                 *dptr1++ = *dptr2++;
6852
6853         icb->login_retry_count = nv->login_retry_count;
6854         icb->link_down_on_nos = nv->link_down_on_nos;
6855
6856         /* Copy 2nd segment. */
6857         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
6858         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
6859         cnt = (uint8_t *)&icb->reserved_3 -
6860             (uint8_t *)&icb->interrupt_delay_timer;
6861         while (cnt--)
6862                 *dptr1++ = *dptr2++;
6863
6864         /*
6865          * Setup driver NVRAM options.
6866          */
6867         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6868             "QLA2462");
6869
6870         qlt_24xx_config_nvram_stage2(vha, icb);
6871
6872         if (nv->host_p & cpu_to_le32(BIT_15)) {
6873                 /* Use alternate WWN? */
6874                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6875                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6876         }
6877
6878         /* Prepare nodename */
6879         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
6880                 /*
6881                  * Firmware will apply the following mask if the nodename was
6882                  * not provided.
6883                  */
6884                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6885                 icb->node_name[0] &= 0xF0;
6886         }
6887
6888         /* Set host adapter parameters. */
6889         ha->flags.disable_risc_code_load = 0;
6890         ha->flags.enable_lip_reset = 0;
6891         ha->flags.enable_lip_full_login =
6892             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6893         ha->flags.enable_target_reset =
6894             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6895         ha->flags.enable_led_scheme = 0;
6896         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6897
6898         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6899             (BIT_6 | BIT_5 | BIT_4)) >> 4;
6900
6901         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
6902             sizeof(ha->fw_seriallink_options24));
6903
6904         /* save HBA serial number */
6905         ha->serial0 = icb->port_name[5];
6906         ha->serial1 = icb->port_name[6];
6907         ha->serial2 = icb->port_name[7];
6908         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6909         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6910
6911         icb->execution_throttle = cpu_to_le16(0xFFFF);
6912
6913         ha->retry_count = le16_to_cpu(nv->login_retry_count);
6914
6915         /* Set minimum login_timeout to 4 seconds. */
6916         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6917                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6918         if (le16_to_cpu(nv->login_timeout) < 4)
6919                 nv->login_timeout = cpu_to_le16(4);
6920         ha->login_timeout = le16_to_cpu(nv->login_timeout);
6921
6922         /* Set minimum RATOV to 100 tenths of a second. */
6923         ha->r_a_tov = 100;
6924
6925         ha->loop_reset_delay = nv->reset_delay;
6926
6927         /* Link Down Timeout = 0:
6928          *
6929          *      When Port Down timer expires we will start returning
6930          *      I/O's to OS with "DID_NO_CONNECT".
6931          *
6932          * Link Down Timeout != 0:
6933          *
6934          *       The driver waits for the link to come up after link down
6935          *       before returning I/Os to OS with "DID_NO_CONNECT".
6936          */
6937         if (le16_to_cpu(nv->link_down_timeout) == 0) {
6938                 ha->loop_down_abort_time =
6939                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6940         } else {
6941                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
6942                 ha->loop_down_abort_time =
6943                     (LOOP_DOWN_TIME - ha->link_down_timeout);
6944         }
6945
6946         /* Need enough time to try and get the port back. */
6947         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6948         if (qlport_down_retry)
6949                 ha->port_down_retry_count = qlport_down_retry;
6950
6951         /* Set login_retry_count */
6952         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6953         if (ha->port_down_retry_count ==
6954             le16_to_cpu(nv->port_down_retry_count) &&
6955             ha->port_down_retry_count > 3)
6956                 ha->login_retry_count = ha->port_down_retry_count;
6957         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6958                 ha->login_retry_count = ha->port_down_retry_count;
6959         if (ql2xloginretrycount)
6960                 ha->login_retry_count = ql2xloginretrycount;
6961
6962         /* Enable ZIO. */
6963         if (!vha->flags.init_done) {
6964                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6965                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6966                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6967                     le16_to_cpu(icb->interrupt_delay_timer): 2;
6968         }
6969         icb->firmware_options_2 &= cpu_to_le32(
6970             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6971         vha->flags.process_response_queue = 0;
6972         if (ha->zio_mode != QLA_ZIO_DISABLED) {
6973                 ha->zio_mode = QLA_ZIO_MODE_6;
6974
6975                 ql_log(ql_log_info, vha, 0x006f,
6976                     "ZIO mode %d enabled; timer delay (%d us).\n",
6977                     ha->zio_mode, ha->zio_timer * 100);
6978
6979                 icb->firmware_options_2 |= cpu_to_le32(
6980                     (uint32_t)ha->zio_mode);
6981                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6982                 vha->flags.process_response_queue = 1;
6983         }
6984
6985         if (rval) {
6986                 ql_log(ql_log_warn, vha, 0x0070,
6987                     "NVRAM configuration failed.\n");
6988         }
6989         return (rval);
6990 }
6991
6992 uint8_t qla27xx_find_valid_image(struct scsi_qla_host *vha)
6993 {
6994         struct qla27xx_image_status pri_image_status, sec_image_status;
6995         uint8_t valid_pri_image, valid_sec_image;
6996         uint32_t *wptr;
6997         uint32_t cnt, chksum, size;
6998         struct qla_hw_data *ha = vha->hw;
6999
7000         valid_pri_image = valid_sec_image = 1;
7001         ha->active_image = 0;
7002         size = sizeof(struct qla27xx_image_status) / sizeof(uint32_t);
7003
7004         if (!ha->flt_region_img_status_pri) {
7005                 valid_pri_image = 0;
7006                 goto check_sec_image;
7007         }
7008
7009         qla24xx_read_flash_data(vha, (uint32_t *)(&pri_image_status),
7010             ha->flt_region_img_status_pri, size);
7011
7012         if (pri_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7013                 ql_dbg(ql_dbg_init, vha, 0x018b,
7014                     "Primary image signature (0x%x) not valid\n",
7015                     pri_image_status.signature);
7016                 valid_pri_image = 0;
7017                 goto check_sec_image;
7018         }
7019
7020         wptr = (uint32_t *)(&pri_image_status);
7021         cnt = size;
7022
7023         for (chksum = 0; cnt--; wptr++)
7024                 chksum += le32_to_cpu(*wptr);
7025
7026         if (chksum) {
7027                 ql_dbg(ql_dbg_init, vha, 0x018c,
7028                     "Checksum validation failed for primary image (0x%x)\n",
7029                     chksum);
7030                 valid_pri_image = 0;
7031         }
7032
7033 check_sec_image:
7034         if (!ha->flt_region_img_status_sec) {
7035                 valid_sec_image = 0;
7036                 goto check_valid_image;
7037         }
7038
7039         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
7040             ha->flt_region_img_status_sec, size);
7041
7042         if (sec_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7043                 ql_dbg(ql_dbg_init, vha, 0x018d,
7044                     "Secondary image signature(0x%x) not valid\n",
7045                     sec_image_status.signature);
7046                 valid_sec_image = 0;
7047                 goto check_valid_image;
7048         }
7049
7050         wptr = (uint32_t *)(&sec_image_status);
7051         cnt = size;
7052         for (chksum = 0; cnt--; wptr++)
7053                 chksum += le32_to_cpu(*wptr);
7054         if (chksum) {
7055                 ql_dbg(ql_dbg_init, vha, 0x018e,
7056                     "Checksum validation failed for secondary image (0x%x)\n",
7057                     chksum);
7058                 valid_sec_image = 0;
7059         }
7060
7061 check_valid_image:
7062         if (valid_pri_image && (pri_image_status.image_status_mask & 0x1))
7063                 ha->active_image = QLA27XX_PRIMARY_IMAGE;
7064         if (valid_sec_image && (sec_image_status.image_status_mask & 0x1)) {
7065                 if (!ha->active_image ||
7066                     pri_image_status.generation_number <
7067                     sec_image_status.generation_number)
7068                         ha->active_image = QLA27XX_SECONDARY_IMAGE;
7069         }
7070
7071         ql_dbg(ql_dbg_init, vha, 0x018f, "%s image\n",
7072             ha->active_image == 0 ? "default bootld and fw" :
7073             ha->active_image == 1 ? "primary" :
7074             ha->active_image == 2 ? "secondary" :
7075             "Invalid");
7076
7077         return ha->active_image;
7078 }
7079
7080 static int
7081 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
7082     uint32_t faddr)
7083 {
7084         int     rval = QLA_SUCCESS;
7085         int     segments, fragment;
7086         uint32_t *dcode, dlen;
7087         uint32_t risc_addr;
7088         uint32_t risc_size;
7089         uint32_t i;
7090         struct qla_hw_data *ha = vha->hw;
7091         struct req_que *req = ha->req_q_map[0];
7092
7093         ql_dbg(ql_dbg_init, vha, 0x008b,
7094             "FW: Loading firmware from flash (%x).\n", faddr);
7095
7096         rval = QLA_SUCCESS;
7097
7098         segments = FA_RISC_CODE_SEGMENTS;
7099         dcode = (uint32_t *)req->ring;
7100         *srisc_addr = 0;
7101
7102         if (IS_QLA27XX(ha) &&
7103             qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
7104                 faddr = ha->flt_region_fw_sec;
7105
7106         /* Validate firmware image by checking version. */
7107         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
7108         for (i = 0; i < 4; i++)
7109                 dcode[i] = be32_to_cpu(dcode[i]);
7110         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7111             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7112             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7113                 dcode[3] == 0)) {
7114                 ql_log(ql_log_fatal, vha, 0x008c,
7115                     "Unable to verify the integrity of flash firmware "
7116                     "image.\n");
7117                 ql_log(ql_log_fatal, vha, 0x008d,
7118                     "Firmware data: %08x %08x %08x %08x.\n",
7119                     dcode[0], dcode[1], dcode[2], dcode[3]);
7120
7121                 return QLA_FUNCTION_FAILED;
7122         }
7123
7124         while (segments && rval == QLA_SUCCESS) {
7125                 /* Read segment's load information. */
7126                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
7127
7128                 risc_addr = be32_to_cpu(dcode[2]);
7129                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7130                 risc_size = be32_to_cpu(dcode[3]);
7131
7132                 fragment = 0;
7133                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7134                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7135                         if (dlen > risc_size)
7136                                 dlen = risc_size;
7137
7138                         ql_dbg(ql_dbg_init, vha, 0x008e,
7139                             "Loading risc segment@ risc addr %x "
7140                             "number of dwords 0x%x offset 0x%x.\n",
7141                             risc_addr, dlen, faddr);
7142
7143                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
7144                         for (i = 0; i < dlen; i++)
7145                                 dcode[i] = swab32(dcode[i]);
7146
7147                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7148                             dlen);
7149                         if (rval) {
7150                                 ql_log(ql_log_fatal, vha, 0x008f,
7151                                     "Failed to load segment %d of firmware.\n",
7152                                     fragment);
7153                                 return QLA_FUNCTION_FAILED;
7154                         }
7155
7156                         faddr += dlen;
7157                         risc_addr += dlen;
7158                         risc_size -= dlen;
7159                         fragment++;
7160                 }
7161
7162                 /* Next segment. */
7163                 segments--;
7164         }
7165
7166         if (!IS_QLA27XX(ha))
7167                 return rval;
7168
7169         if (ha->fw_dump_template)
7170                 vfree(ha->fw_dump_template);
7171         ha->fw_dump_template = NULL;
7172         ha->fw_dump_template_len = 0;
7173
7174         ql_dbg(ql_dbg_init, vha, 0x0161,
7175             "Loading fwdump template from %x\n", faddr);
7176         qla24xx_read_flash_data(vha, dcode, faddr, 7);
7177         risc_size = be32_to_cpu(dcode[2]);
7178         ql_dbg(ql_dbg_init, vha, 0x0162,
7179             "-> array size %x dwords\n", risc_size);
7180         if (risc_size == 0 || risc_size == ~0)
7181                 goto default_template;
7182
7183         dlen = (risc_size - 8) * sizeof(*dcode);
7184         ql_dbg(ql_dbg_init, vha, 0x0163,
7185             "-> template allocating %x bytes...\n", dlen);
7186         ha->fw_dump_template = vmalloc(dlen);
7187         if (!ha->fw_dump_template) {
7188                 ql_log(ql_log_warn, vha, 0x0164,
7189                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7190                 goto default_template;
7191         }
7192
7193         faddr += 7;
7194         risc_size -= 8;
7195         dcode = ha->fw_dump_template;
7196         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
7197         for (i = 0; i < risc_size; i++)
7198                 dcode[i] = le32_to_cpu(dcode[i]);
7199
7200         if (!qla27xx_fwdt_template_valid(dcode)) {
7201                 ql_log(ql_log_warn, vha, 0x0165,
7202                     "Failed fwdump template validate\n");
7203                 goto default_template;
7204         }
7205
7206         dlen = qla27xx_fwdt_template_size(dcode);
7207         ql_dbg(ql_dbg_init, vha, 0x0166,
7208             "-> template size %x bytes\n", dlen);
7209         if (dlen > risc_size * sizeof(*dcode)) {
7210                 ql_log(ql_log_warn, vha, 0x0167,
7211                     "Failed fwdump template exceeds array by %zx bytes\n",
7212                     (size_t)(dlen - risc_size * sizeof(*dcode)));
7213                 goto default_template;
7214         }
7215         ha->fw_dump_template_len = dlen;
7216         return rval;
7217
7218 default_template:
7219         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
7220         if (ha->fw_dump_template)
7221                 vfree(ha->fw_dump_template);
7222         ha->fw_dump_template = NULL;
7223         ha->fw_dump_template_len = 0;
7224
7225         dlen = qla27xx_fwdt_template_default_size();
7226         ql_dbg(ql_dbg_init, vha, 0x0169,
7227             "-> template allocating %x bytes...\n", dlen);
7228         ha->fw_dump_template = vmalloc(dlen);
7229         if (!ha->fw_dump_template) {
7230                 ql_log(ql_log_warn, vha, 0x016a,
7231                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7232                 goto failed_template;
7233         }
7234
7235         dcode = ha->fw_dump_template;
7236         risc_size = dlen / sizeof(*dcode);
7237         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
7238         for (i = 0; i < risc_size; i++)
7239                 dcode[i] = be32_to_cpu(dcode[i]);
7240
7241         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7242                 ql_log(ql_log_warn, vha, 0x016b,
7243                     "Failed fwdump template validate\n");
7244                 goto failed_template;
7245         }
7246
7247         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7248         ql_dbg(ql_dbg_init, vha, 0x016c,
7249             "-> template size %x bytes\n", dlen);
7250         ha->fw_dump_template_len = dlen;
7251         return rval;
7252
7253 failed_template:
7254         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
7255         if (ha->fw_dump_template)
7256                 vfree(ha->fw_dump_template);
7257         ha->fw_dump_template = NULL;
7258         ha->fw_dump_template_len = 0;
7259         return rval;
7260 }
7261
7262 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
7263
7264 int
7265 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7266 {
7267         int     rval;
7268         int     i, fragment;
7269         uint16_t *wcode, *fwcode;
7270         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
7271         struct fw_blob *blob;
7272         struct qla_hw_data *ha = vha->hw;
7273         struct req_que *req = ha->req_q_map[0];
7274
7275         /* Load firmware blob. */
7276         blob = qla2x00_request_firmware(vha);
7277         if (!blob) {
7278                 ql_log(ql_log_info, vha, 0x0083,
7279                     "Firmware image unavailable.\n");
7280                 ql_log(ql_log_info, vha, 0x0084,
7281                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
7282                 return QLA_FUNCTION_FAILED;
7283         }
7284
7285         rval = QLA_SUCCESS;
7286
7287         wcode = (uint16_t *)req->ring;
7288         *srisc_addr = 0;
7289         fwcode = (uint16_t *)blob->fw->data;
7290         fwclen = 0;
7291
7292         /* Validate firmware image by checking version. */
7293         if (blob->fw->size < 8 * sizeof(uint16_t)) {
7294                 ql_log(ql_log_fatal, vha, 0x0085,
7295                     "Unable to verify integrity of firmware image (%zd).\n",
7296                     blob->fw->size);
7297                 goto fail_fw_integrity;
7298         }
7299         for (i = 0; i < 4; i++)
7300                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
7301         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
7302             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
7303                 wcode[2] == 0 && wcode[3] == 0)) {
7304                 ql_log(ql_log_fatal, vha, 0x0086,
7305                     "Unable to verify integrity of firmware image.\n");
7306                 ql_log(ql_log_fatal, vha, 0x0087,
7307                     "Firmware data: %04x %04x %04x %04x.\n",
7308                     wcode[0], wcode[1], wcode[2], wcode[3]);
7309                 goto fail_fw_integrity;
7310         }
7311
7312         seg = blob->segs;
7313         while (*seg && rval == QLA_SUCCESS) {
7314                 risc_addr = *seg;
7315                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
7316                 risc_size = be16_to_cpu(fwcode[3]);
7317
7318                 /* Validate firmware image size. */
7319                 fwclen += risc_size * sizeof(uint16_t);
7320                 if (blob->fw->size < fwclen) {
7321                         ql_log(ql_log_fatal, vha, 0x0088,
7322                             "Unable to verify integrity of firmware image "
7323                             "(%zd).\n", blob->fw->size);
7324                         goto fail_fw_integrity;
7325                 }
7326
7327                 fragment = 0;
7328                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7329                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
7330                         if (wlen > risc_size)
7331                                 wlen = risc_size;
7332                         ql_dbg(ql_dbg_init, vha, 0x0089,
7333                             "Loading risc segment@ risc addr %x number of "
7334                             "words 0x%x.\n", risc_addr, wlen);
7335
7336                         for (i = 0; i < wlen; i++)
7337                                 wcode[i] = swab16(fwcode[i]);
7338
7339                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7340                             wlen);
7341                         if (rval) {
7342                                 ql_log(ql_log_fatal, vha, 0x008a,
7343                                     "Failed to load segment %d of firmware.\n",
7344                                     fragment);
7345                                 break;
7346                         }
7347
7348                         fwcode += wlen;
7349                         risc_addr += wlen;
7350                         risc_size -= wlen;
7351                         fragment++;
7352                 }
7353
7354                 /* Next segment. */
7355                 seg++;
7356         }
7357         return rval;
7358
7359 fail_fw_integrity:
7360         return QLA_FUNCTION_FAILED;
7361 }
7362
7363 static int
7364 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7365 {
7366         int     rval;
7367         int     segments, fragment;
7368         uint32_t *dcode, dlen;
7369         uint32_t risc_addr;
7370         uint32_t risc_size;
7371         uint32_t i;
7372         struct fw_blob *blob;
7373         const uint32_t *fwcode;
7374         uint32_t fwclen;
7375         struct qla_hw_data *ha = vha->hw;
7376         struct req_que *req = ha->req_q_map[0];
7377
7378         /* Load firmware blob. */
7379         blob = qla2x00_request_firmware(vha);
7380         if (!blob) {
7381                 ql_log(ql_log_warn, vha, 0x0090,
7382                     "Firmware image unavailable.\n");
7383                 ql_log(ql_log_warn, vha, 0x0091,
7384                     "Firmware images can be retrieved from: "
7385                     QLA_FW_URL ".\n");
7386
7387                 return QLA_FUNCTION_FAILED;
7388         }
7389
7390         ql_dbg(ql_dbg_init, vha, 0x0092,
7391             "FW: Loading via request-firmware.\n");
7392
7393         rval = QLA_SUCCESS;
7394
7395         segments = FA_RISC_CODE_SEGMENTS;
7396         dcode = (uint32_t *)req->ring;
7397         *srisc_addr = 0;
7398         fwcode = (uint32_t *)blob->fw->data;
7399         fwclen = 0;
7400
7401         /* Validate firmware image by checking version. */
7402         if (blob->fw->size < 8 * sizeof(uint32_t)) {
7403                 ql_log(ql_log_fatal, vha, 0x0093,
7404                     "Unable to verify integrity of firmware image (%zd).\n",
7405                     blob->fw->size);
7406                 return QLA_FUNCTION_FAILED;
7407         }
7408         for (i = 0; i < 4; i++)
7409                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
7410         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7411             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7412             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7413                 dcode[3] == 0)) {
7414                 ql_log(ql_log_fatal, vha, 0x0094,
7415                     "Unable to verify integrity of firmware image (%zd).\n",
7416                     blob->fw->size);
7417                 ql_log(ql_log_fatal, vha, 0x0095,
7418                     "Firmware data: %08x %08x %08x %08x.\n",
7419                     dcode[0], dcode[1], dcode[2], dcode[3]);
7420                 return QLA_FUNCTION_FAILED;
7421         }
7422
7423         while (segments && rval == QLA_SUCCESS) {
7424                 risc_addr = be32_to_cpu(fwcode[2]);
7425                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7426                 risc_size = be32_to_cpu(fwcode[3]);
7427
7428                 /* Validate firmware image size. */
7429                 fwclen += risc_size * sizeof(uint32_t);
7430                 if (blob->fw->size < fwclen) {
7431                         ql_log(ql_log_fatal, vha, 0x0096,
7432                             "Unable to verify integrity of firmware image "
7433                             "(%zd).\n", blob->fw->size);
7434                         return QLA_FUNCTION_FAILED;
7435                 }
7436
7437                 fragment = 0;
7438                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7439                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7440                         if (dlen > risc_size)
7441                                 dlen = risc_size;
7442
7443                         ql_dbg(ql_dbg_init, vha, 0x0097,
7444                             "Loading risc segment@ risc addr %x "
7445                             "number of dwords 0x%x.\n", risc_addr, dlen);
7446
7447                         for (i = 0; i < dlen; i++)
7448                                 dcode[i] = swab32(fwcode[i]);
7449
7450                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7451                             dlen);
7452                         if (rval) {
7453                                 ql_log(ql_log_fatal, vha, 0x0098,
7454                                     "Failed to load segment %d of firmware.\n",
7455                                     fragment);
7456                                 return QLA_FUNCTION_FAILED;
7457                         }
7458
7459                         fwcode += dlen;
7460                         risc_addr += dlen;
7461                         risc_size -= dlen;
7462                         fragment++;
7463                 }
7464
7465                 /* Next segment. */
7466                 segments--;
7467         }
7468
7469         if (!IS_QLA27XX(ha))
7470                 return rval;
7471
7472         if (ha->fw_dump_template)
7473                 vfree(ha->fw_dump_template);
7474         ha->fw_dump_template = NULL;
7475         ha->fw_dump_template_len = 0;
7476
7477         ql_dbg(ql_dbg_init, vha, 0x171,
7478             "Loading fwdump template from %x\n",
7479             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
7480         risc_size = be32_to_cpu(fwcode[2]);
7481         ql_dbg(ql_dbg_init, vha, 0x172,
7482             "-> array size %x dwords\n", risc_size);
7483         if (risc_size == 0 || risc_size == ~0)
7484                 goto default_template;
7485
7486         dlen = (risc_size - 8) * sizeof(*fwcode);
7487         ql_dbg(ql_dbg_init, vha, 0x0173,
7488             "-> template allocating %x bytes...\n", dlen);
7489         ha->fw_dump_template = vmalloc(dlen);
7490         if (!ha->fw_dump_template) {
7491                 ql_log(ql_log_warn, vha, 0x0174,
7492                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7493                 goto default_template;
7494         }
7495
7496         fwcode += 7;
7497         risc_size -= 8;
7498         dcode = ha->fw_dump_template;
7499         for (i = 0; i < risc_size; i++)
7500                 dcode[i] = le32_to_cpu(fwcode[i]);
7501
7502         if (!qla27xx_fwdt_template_valid(dcode)) {
7503                 ql_log(ql_log_warn, vha, 0x0175,
7504                     "Failed fwdump template validate\n");
7505                 goto default_template;
7506         }
7507
7508         dlen = qla27xx_fwdt_template_size(dcode);
7509         ql_dbg(ql_dbg_init, vha, 0x0176,
7510             "-> template size %x bytes\n", dlen);
7511         if (dlen > risc_size * sizeof(*fwcode)) {
7512                 ql_log(ql_log_warn, vha, 0x0177,
7513                     "Failed fwdump template exceeds array by %zx bytes\n",
7514                     (size_t)(dlen - risc_size * sizeof(*fwcode)));
7515                 goto default_template;
7516         }
7517         ha->fw_dump_template_len = dlen;
7518         return rval;
7519
7520 default_template:
7521         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
7522         if (ha->fw_dump_template)
7523                 vfree(ha->fw_dump_template);
7524         ha->fw_dump_template = NULL;
7525         ha->fw_dump_template_len = 0;
7526
7527         dlen = qla27xx_fwdt_template_default_size();
7528         ql_dbg(ql_dbg_init, vha, 0x0179,
7529             "-> template allocating %x bytes...\n", dlen);
7530         ha->fw_dump_template = vmalloc(dlen);
7531         if (!ha->fw_dump_template) {
7532                 ql_log(ql_log_warn, vha, 0x017a,
7533                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7534                 goto failed_template;
7535         }
7536
7537         dcode = ha->fw_dump_template;
7538         risc_size = dlen / sizeof(*fwcode);
7539         fwcode = qla27xx_fwdt_template_default();
7540         for (i = 0; i < risc_size; i++)
7541                 dcode[i] = be32_to_cpu(fwcode[i]);
7542
7543         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7544                 ql_log(ql_log_warn, vha, 0x017b,
7545                     "Failed fwdump template validate\n");
7546                 goto failed_template;
7547         }
7548
7549         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7550         ql_dbg(ql_dbg_init, vha, 0x017c,
7551             "-> template size %x bytes\n", dlen);
7552         ha->fw_dump_template_len = dlen;
7553         return rval;
7554
7555 failed_template:
7556         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
7557         if (ha->fw_dump_template)
7558                 vfree(ha->fw_dump_template);
7559         ha->fw_dump_template = NULL;
7560         ha->fw_dump_template_len = 0;
7561         return rval;
7562 }
7563
7564 int
7565 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7566 {
7567         int rval;
7568
7569         if (ql2xfwloadbin == 1)
7570                 return qla81xx_load_risc(vha, srisc_addr);
7571
7572         /*
7573          * FW Load priority:
7574          * 1) Firmware via request-firmware interface (.bin file).
7575          * 2) Firmware residing in flash.
7576          */
7577         rval = qla24xx_load_risc_blob(vha, srisc_addr);
7578         if (rval == QLA_SUCCESS)
7579                 return rval;
7580
7581         return qla24xx_load_risc_flash(vha, srisc_addr,
7582             vha->hw->flt_region_fw);
7583 }
7584
7585 int
7586 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7587 {
7588         int rval;
7589         struct qla_hw_data *ha = vha->hw;
7590
7591         if (ql2xfwloadbin == 2)
7592                 goto try_blob_fw;
7593
7594         /*
7595          * FW Load priority:
7596          * 1) Firmware residing in flash.
7597          * 2) Firmware via request-firmware interface (.bin file).
7598          * 3) Golden-Firmware residing in flash -- limited operation.
7599          */
7600         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
7601         if (rval == QLA_SUCCESS)
7602                 return rval;
7603
7604 try_blob_fw:
7605         rval = qla24xx_load_risc_blob(vha, srisc_addr);
7606         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
7607                 return rval;
7608
7609         ql_log(ql_log_info, vha, 0x0099,
7610             "Attempting to fallback to golden firmware.\n");
7611         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
7612         if (rval != QLA_SUCCESS)
7613                 return rval;
7614
7615         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
7616         ha->flags.running_gold_fw = 1;
7617         return rval;
7618 }
7619
7620 void
7621 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
7622 {
7623         int ret, retries;
7624         struct qla_hw_data *ha = vha->hw;
7625
7626         if (ha->flags.pci_channel_io_perm_failure)
7627                 return;
7628         if (!IS_FWI2_CAPABLE(ha))
7629                 return;
7630         if (!ha->fw_major_version)
7631                 return;
7632         if (!ha->flags.fw_started)
7633                 return;
7634
7635         ret = qla2x00_stop_firmware(vha);
7636         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
7637             ret != QLA_INVALID_COMMAND && retries ; retries--) {
7638                 ha->isp_ops->reset_chip(vha);
7639                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
7640                         continue;
7641                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
7642                         continue;
7643                 ql_log(ql_log_info, vha, 0x8015,
7644                     "Attempting retry of stop-firmware command.\n");
7645                 ret = qla2x00_stop_firmware(vha);
7646         }
7647
7648         QLA_FW_STOPPED(ha);
7649         ha->flags.fw_init_done = 0;
7650 }
7651
7652 int
7653 qla24xx_configure_vhba(scsi_qla_host_t *vha)
7654 {
7655         int rval = QLA_SUCCESS;
7656         int rval2;
7657         uint16_t mb[MAILBOX_REGISTER_COUNT];
7658         struct qla_hw_data *ha = vha->hw;
7659         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7660         struct req_que *req;
7661         struct rsp_que *rsp;
7662
7663         if (!vha->vp_idx)
7664                 return -EINVAL;
7665
7666         rval = qla2x00_fw_ready(base_vha);
7667         if (vha->qpair)
7668                 req = vha->qpair->req;
7669         else
7670                 req = ha->req_q_map[0];
7671         rsp = req->rsp;
7672
7673         if (rval == QLA_SUCCESS) {
7674                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7675                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
7676         }
7677
7678         vha->flags.management_server_logged_in = 0;
7679
7680         /* Login to SNS first */
7681         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
7682             BIT_1);
7683         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
7684                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
7685                         ql_dbg(ql_dbg_init, vha, 0x0120,
7686                             "Failed SNS login: loop_id=%x, rval2=%d\n",
7687                             NPH_SNS, rval2);
7688                 else
7689                         ql_dbg(ql_dbg_init, vha, 0x0103,
7690                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
7691                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
7692                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
7693                 return (QLA_FUNCTION_FAILED);
7694         }
7695
7696         atomic_set(&vha->loop_down_timer, 0);
7697         atomic_set(&vha->loop_state, LOOP_UP);
7698         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7699         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
7700         rval = qla2x00_loop_resync(base_vha);
7701
7702         return rval;
7703 }
7704
7705 /* 84XX Support **************************************************************/
7706
7707 static LIST_HEAD(qla_cs84xx_list);
7708 static DEFINE_MUTEX(qla_cs84xx_mutex);
7709
7710 static struct qla_chip_state_84xx *
7711 qla84xx_get_chip(struct scsi_qla_host *vha)
7712 {
7713         struct qla_chip_state_84xx *cs84xx;
7714         struct qla_hw_data *ha = vha->hw;
7715
7716         mutex_lock(&qla_cs84xx_mutex);
7717
7718         /* Find any shared 84xx chip. */
7719         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
7720                 if (cs84xx->bus == ha->pdev->bus) {
7721                         kref_get(&cs84xx->kref);
7722                         goto done;
7723                 }
7724         }
7725
7726         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
7727         if (!cs84xx)
7728                 goto done;
7729
7730         kref_init(&cs84xx->kref);
7731         spin_lock_init(&cs84xx->access_lock);
7732         mutex_init(&cs84xx->fw_update_mutex);
7733         cs84xx->bus = ha->pdev->bus;
7734
7735         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
7736 done:
7737         mutex_unlock(&qla_cs84xx_mutex);
7738         return cs84xx;
7739 }
7740
7741 static void
7742 __qla84xx_chip_release(struct kref *kref)
7743 {
7744         struct qla_chip_state_84xx *cs84xx =
7745             container_of(kref, struct qla_chip_state_84xx, kref);
7746
7747         mutex_lock(&qla_cs84xx_mutex);
7748         list_del(&cs84xx->list);
7749         mutex_unlock(&qla_cs84xx_mutex);
7750         kfree(cs84xx);
7751 }
7752
7753 void
7754 qla84xx_put_chip(struct scsi_qla_host *vha)
7755 {
7756         struct qla_hw_data *ha = vha->hw;
7757         if (ha->cs84xx)
7758                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
7759 }
7760
7761 static int
7762 qla84xx_init_chip(scsi_qla_host_t *vha)
7763 {
7764         int rval;
7765         uint16_t status[2];
7766         struct qla_hw_data *ha = vha->hw;
7767
7768         mutex_lock(&ha->cs84xx->fw_update_mutex);
7769
7770         rval = qla84xx_verify_chip(vha, status);
7771
7772         mutex_unlock(&ha->cs84xx->fw_update_mutex);
7773
7774         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
7775             QLA_SUCCESS;
7776 }
7777
7778 /* 81XX Support **************************************************************/
7779
7780 int
7781 qla81xx_nvram_config(scsi_qla_host_t *vha)
7782 {
7783         int   rval;
7784         struct init_cb_81xx *icb;
7785         struct nvram_81xx *nv;
7786         uint32_t *dptr;
7787         uint8_t  *dptr1, *dptr2;
7788         uint32_t chksum;
7789         uint16_t cnt;
7790         struct qla_hw_data *ha = vha->hw;
7791
7792         rval = QLA_SUCCESS;
7793         icb = (struct init_cb_81xx *)ha->init_cb;
7794         nv = ha->nvram;
7795
7796         /* Determine NVRAM starting address. */
7797         ha->nvram_size = sizeof(struct nvram_81xx);
7798         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7799         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
7800                 ha->vpd_size = FA_VPD_SIZE_82XX;
7801
7802         /* Get VPD data into cache */
7803         ha->vpd = ha->nvram + VPD_OFFSET;
7804         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
7805             ha->vpd_size);
7806
7807         /* Get NVRAM data into cache and calculate checksum. */
7808         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
7809             ha->nvram_size);
7810         dptr = (uint32_t *)nv;
7811         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7812                 chksum += le32_to_cpu(*dptr);
7813
7814         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
7815             "Contents of NVRAM:\n");
7816         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
7817             (uint8_t *)nv, ha->nvram_size);
7818
7819         /* Bad NVRAM data, set defaults parameters. */
7820         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
7821             || nv->id[3] != ' ' ||
7822             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
7823                 /* Reset NVRAM data. */
7824                 ql_log(ql_log_info, vha, 0x0073,
7825                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
7826                     "version=0x%x.\n", chksum, nv->id[0],
7827                     le16_to_cpu(nv->nvram_version));
7828                 ql_log(ql_log_info, vha, 0x0074,
7829                     "Falling back to functioning (yet invalid -- WWPN) "
7830                     "defaults.\n");
7831
7832                 /*
7833                  * Set default initialization control block.
7834                  */
7835                 memset(nv, 0, ha->nvram_size);
7836                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7837                 nv->version = cpu_to_le16(ICB_VERSION);
7838                 nv->frame_payload_size = 2048;
7839                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7840                 nv->exchange_count = cpu_to_le16(0);
7841                 nv->port_name[0] = 0x21;
7842                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7843                 nv->port_name[2] = 0x00;
7844                 nv->port_name[3] = 0xe0;
7845                 nv->port_name[4] = 0x8b;
7846                 nv->port_name[5] = 0x1c;
7847                 nv->port_name[6] = 0x55;
7848                 nv->port_name[7] = 0x86;
7849                 nv->node_name[0] = 0x20;
7850                 nv->node_name[1] = 0x00;
7851                 nv->node_name[2] = 0x00;
7852                 nv->node_name[3] = 0xe0;
7853                 nv->node_name[4] = 0x8b;
7854                 nv->node_name[5] = 0x1c;
7855                 nv->node_name[6] = 0x55;
7856                 nv->node_name[7] = 0x86;
7857                 nv->login_retry_count = cpu_to_le16(8);
7858                 nv->interrupt_delay_timer = cpu_to_le16(0);
7859                 nv->login_timeout = cpu_to_le16(0);
7860                 nv->firmware_options_1 =
7861                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7862                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7863                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7864                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7865                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7866                 nv->efi_parameters = cpu_to_le32(0);
7867                 nv->reset_delay = 5;
7868                 nv->max_luns_per_target = cpu_to_le16(128);
7869                 nv->port_down_retry_count = cpu_to_le16(30);
7870                 nv->link_down_timeout = cpu_to_le16(180);
7871                 nv->enode_mac[0] = 0x00;
7872                 nv->enode_mac[1] = 0xC0;
7873                 nv->enode_mac[2] = 0xDD;
7874                 nv->enode_mac[3] = 0x04;
7875                 nv->enode_mac[4] = 0x05;
7876                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
7877
7878                 rval = 1;
7879         }
7880
7881         if (IS_T10_PI_CAPABLE(ha))
7882                 nv->frame_payload_size &= ~7;
7883
7884         qlt_81xx_config_nvram_stage1(vha, nv);
7885
7886         /* Reset Initialization control block */
7887         memset(icb, 0, ha->init_cb_size);
7888
7889         /* Copy 1st segment. */
7890         dptr1 = (uint8_t *)icb;
7891         dptr2 = (uint8_t *)&nv->version;
7892         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7893         while (cnt--)
7894                 *dptr1++ = *dptr2++;
7895
7896         icb->login_retry_count = nv->login_retry_count;
7897
7898         /* Copy 2nd segment. */
7899         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7900         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7901         cnt = (uint8_t *)&icb->reserved_5 -
7902             (uint8_t *)&icb->interrupt_delay_timer;
7903         while (cnt--)
7904                 *dptr1++ = *dptr2++;
7905
7906         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
7907         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
7908         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
7909                 icb->enode_mac[0] = 0x00;
7910                 icb->enode_mac[1] = 0xC0;
7911                 icb->enode_mac[2] = 0xDD;
7912                 icb->enode_mac[3] = 0x04;
7913                 icb->enode_mac[4] = 0x05;
7914                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
7915         }
7916
7917         /* Use extended-initialization control block. */
7918         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
7919
7920         /*
7921          * Setup driver NVRAM options.
7922          */
7923         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7924             "QLE8XXX");
7925
7926         qlt_81xx_config_nvram_stage2(vha, icb);
7927
7928         /* Use alternate WWN? */
7929         if (nv->host_p & cpu_to_le32(BIT_15)) {
7930                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7931                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7932         }
7933
7934         /* Prepare nodename */
7935         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7936                 /*
7937                  * Firmware will apply the following mask if the nodename was
7938                  * not provided.
7939                  */
7940                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7941                 icb->node_name[0] &= 0xF0;
7942         }
7943
7944         /* Set host adapter parameters. */
7945         ha->flags.disable_risc_code_load = 0;
7946         ha->flags.enable_lip_reset = 0;
7947         ha->flags.enable_lip_full_login =
7948             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
7949         ha->flags.enable_target_reset =
7950             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
7951         ha->flags.enable_led_scheme = 0;
7952         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
7953
7954         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7955             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7956
7957         /* save HBA serial number */
7958         ha->serial0 = icb->port_name[5];
7959         ha->serial1 = icb->port_name[6];
7960         ha->serial2 = icb->port_name[7];
7961         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7962         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7963
7964         icb->execution_throttle = cpu_to_le16(0xFFFF);
7965
7966         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7967
7968         /* Set minimum login_timeout to 4 seconds. */
7969         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7970                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7971         if (le16_to_cpu(nv->login_timeout) < 4)
7972                 nv->login_timeout = cpu_to_le16(4);
7973         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7974
7975         /* Set minimum RATOV to 100 tenths of a second. */
7976         ha->r_a_tov = 100;
7977
7978         ha->loop_reset_delay = nv->reset_delay;
7979
7980         /* Link Down Timeout = 0:
7981          *
7982          *      When Port Down timer expires we will start returning
7983          *      I/O's to OS with "DID_NO_CONNECT".
7984          *
7985          * Link Down Timeout != 0:
7986          *
7987          *       The driver waits for the link to come up after link down
7988          *       before returning I/Os to OS with "DID_NO_CONNECT".
7989          */
7990         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7991                 ha->loop_down_abort_time =
7992                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7993         } else {
7994                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7995                 ha->loop_down_abort_time =
7996                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7997         }
7998
7999         /* Need enough time to try and get the port back. */
8000         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8001         if (qlport_down_retry)
8002                 ha->port_down_retry_count = qlport_down_retry;
8003
8004         /* Set login_retry_count */
8005         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8006         if (ha->port_down_retry_count ==
8007             le16_to_cpu(nv->port_down_retry_count) &&
8008             ha->port_down_retry_count > 3)
8009                 ha->login_retry_count = ha->port_down_retry_count;
8010         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8011                 ha->login_retry_count = ha->port_down_retry_count;
8012         if (ql2xloginretrycount)
8013                 ha->login_retry_count = ql2xloginretrycount;
8014
8015         /* if not running MSI-X we need handshaking on interrupts */
8016         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
8017                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8018
8019         /* Enable ZIO. */
8020         if (!vha->flags.init_done) {
8021                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8022                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8023                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8024                     le16_to_cpu(icb->interrupt_delay_timer): 2;
8025         }
8026         icb->firmware_options_2 &= cpu_to_le32(
8027             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8028         vha->flags.process_response_queue = 0;
8029         if (ha->zio_mode != QLA_ZIO_DISABLED) {
8030                 ha->zio_mode = QLA_ZIO_MODE_6;
8031
8032                 ql_log(ql_log_info, vha, 0x0075,
8033                     "ZIO mode %d enabled; timer delay (%d us).\n",
8034                     ha->zio_mode,
8035                     ha->zio_timer * 100);
8036
8037                 icb->firmware_options_2 |= cpu_to_le32(
8038                     (uint32_t)ha->zio_mode);
8039                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8040                 vha->flags.process_response_queue = 1;
8041         }
8042
8043          /* enable RIDA Format2 */
8044         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha))
8045                 icb->firmware_options_3 |= BIT_0;
8046
8047         if (IS_QLA27XX(ha)) {
8048                 icb->firmware_options_3 |= BIT_8;
8049                 ql_dbg(ql_log_info, vha, 0x0075,
8050                     "Enabling direct connection.\n");
8051         }
8052
8053         if (rval) {
8054                 ql_log(ql_log_warn, vha, 0x0076,
8055                     "NVRAM configuration failed.\n");
8056         }
8057         return (rval);
8058 }
8059
8060 int
8061 qla82xx_restart_isp(scsi_qla_host_t *vha)
8062 {
8063         int status, rval;
8064         struct qla_hw_data *ha = vha->hw;
8065         struct req_que *req = ha->req_q_map[0];
8066         struct rsp_que *rsp = ha->rsp_q_map[0];
8067         struct scsi_qla_host *vp;
8068         unsigned long flags;
8069
8070         status = qla2x00_init_rings(vha);
8071         if (!status) {
8072                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8073                 ha->flags.chip_reset_done = 1;
8074
8075                 status = qla2x00_fw_ready(vha);
8076                 if (!status) {
8077                         /* Issue a marker after FW becomes ready. */
8078                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
8079                         vha->flags.online = 1;
8080                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8081                 }
8082
8083                 /* if no cable then assume it's good */
8084                 if ((vha->device_flags & DFLG_NO_CABLE))
8085                         status = 0;
8086         }
8087
8088         if (!status) {
8089                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8090
8091                 if (!atomic_read(&vha->loop_down_timer)) {
8092                         /*
8093                          * Issue marker command only when we are going
8094                          * to start the I/O .
8095                          */
8096                         vha->marker_needed = 1;
8097                 }
8098
8099                 ha->isp_ops->enable_intrs(ha);
8100
8101                 ha->isp_abort_cnt = 0;
8102                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
8103
8104                 /* Update the firmware version */
8105                 status = qla82xx_check_md_needed(vha);
8106
8107                 if (ha->fce) {
8108                         ha->flags.fce_enabled = 1;
8109                         memset(ha->fce, 0,
8110                             fce_calc_size(ha->fce_bufs));
8111                         rval = qla2x00_enable_fce_trace(vha,
8112                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
8113                             &ha->fce_bufs);
8114                         if (rval) {
8115                                 ql_log(ql_log_warn, vha, 0x8001,
8116                                     "Unable to reinitialize FCE (%d).\n",
8117                                     rval);
8118                                 ha->flags.fce_enabled = 0;
8119                         }
8120                 }
8121
8122                 if (ha->eft) {
8123                         memset(ha->eft, 0, EFT_SIZE);
8124                         rval = qla2x00_enable_eft_trace(vha,
8125                             ha->eft_dma, EFT_NUM_BUFFERS);
8126                         if (rval) {
8127                                 ql_log(ql_log_warn, vha, 0x8010,
8128                                     "Unable to reinitialize EFT (%d).\n",
8129                                     rval);
8130                         }
8131                 }
8132         }
8133
8134         if (!status) {
8135                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
8136                     "qla82xx_restart_isp succeeded.\n");
8137
8138                 spin_lock_irqsave(&ha->vport_slock, flags);
8139                 list_for_each_entry(vp, &ha->vp_list, list) {
8140                         if (vp->vp_idx) {
8141                                 atomic_inc(&vp->vref_count);
8142                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8143
8144                                 qla2x00_vp_abort_isp(vp);
8145
8146                                 spin_lock_irqsave(&ha->vport_slock, flags);
8147                                 atomic_dec(&vp->vref_count);
8148                         }
8149                 }
8150                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8151
8152         } else {
8153                 ql_log(ql_log_warn, vha, 0x8016,
8154                     "qla82xx_restart_isp **** FAILED ****.\n");
8155         }
8156
8157         return status;
8158 }
8159
8160 void
8161 qla81xx_update_fw_options(scsi_qla_host_t *vha)
8162 {
8163         struct qla_hw_data *ha = vha->hw;
8164
8165         /*  Hold status IOCBs until ABTS response received. */
8166         if (ql2xfwholdabts)
8167                 ha->fw_options[3] |= BIT_12;
8168
8169         /* Set Retry FLOGI in case of P2P connection */
8170         if (ha->operating_mode == P2P) {
8171                 ha->fw_options[2] |= BIT_3;
8172                 ql_dbg(ql_dbg_disc, vha, 0x2103,
8173                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
8174                         __func__, ha->fw_options[2]);
8175         }
8176
8177         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
8178         if (ql2xmvasynctoatio) {
8179                 if (qla_tgt_mode_enabled(vha) ||
8180                     qla_dual_mode_enabled(vha))
8181                         ha->fw_options[2] |= BIT_11;
8182                 else
8183                         ha->fw_options[2] &= ~BIT_11;
8184         }
8185
8186         if (qla_tgt_mode_enabled(vha) ||
8187             qla_dual_mode_enabled(vha)) {
8188                 /* FW auto send SCSI status during */
8189                 ha->fw_options[1] |= BIT_8;
8190                 ha->fw_options[10] |= (u16)SAM_STAT_BUSY << 8;
8191
8192                 /* FW perform Exchange validation */
8193                 ha->fw_options[2] |= BIT_4;
8194         } else {
8195                 ha->fw_options[1]  &= ~BIT_8;
8196                 ha->fw_options[10] &= 0x00ff;
8197
8198                 ha->fw_options[2] &= ~BIT_4;
8199         }
8200
8201         if (ql2xetsenable) {
8202                 /* Enable ETS Burst. */
8203                 memset(ha->fw_options, 0, sizeof(ha->fw_options));
8204                 ha->fw_options[2] |= BIT_9;
8205         }
8206
8207         ql_dbg(ql_dbg_init, vha, 0x00e9,
8208             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
8209             __func__, ha->fw_options[1], ha->fw_options[2],
8210             ha->fw_options[3], vha->host->active_mode);
8211
8212         qla2x00_set_fw_options(vha, ha->fw_options);
8213 }
8214
8215 /*
8216  * qla24xx_get_fcp_prio
8217  *      Gets the fcp cmd priority value for the logged in port.
8218  *      Looks for a match of the port descriptors within
8219  *      each of the fcp prio config entries. If a match is found,
8220  *      the tag (priority) value is returned.
8221  *
8222  * Input:
8223  *      vha = scsi host structure pointer.
8224  *      fcport = port structure pointer.
8225  *
8226  * Return:
8227  *      non-zero (if found)
8228  *      -1 (if not found)
8229  *
8230  * Context:
8231  *      Kernel context
8232  */
8233 static int
8234 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8235 {
8236         int i, entries;
8237         uint8_t pid_match, wwn_match;
8238         int priority;
8239         uint32_t pid1, pid2;
8240         uint64_t wwn1, wwn2;
8241         struct qla_fcp_prio_entry *pri_entry;
8242         struct qla_hw_data *ha = vha->hw;
8243
8244         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
8245                 return -1;
8246
8247         priority = -1;
8248         entries = ha->fcp_prio_cfg->num_entries;
8249         pri_entry = &ha->fcp_prio_cfg->entry[0];
8250
8251         for (i = 0; i < entries; i++) {
8252                 pid_match = wwn_match = 0;
8253
8254                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
8255                         pri_entry++;
8256                         continue;
8257                 }
8258
8259                 /* check source pid for a match */
8260                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
8261                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
8262                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
8263                         if (pid1 == INVALID_PORT_ID)
8264                                 pid_match++;
8265                         else if (pid1 == pid2)
8266                                 pid_match++;
8267                 }
8268
8269                 /* check destination pid for a match */
8270                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
8271                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
8272                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
8273                         if (pid1 == INVALID_PORT_ID)
8274                                 pid_match++;
8275                         else if (pid1 == pid2)
8276                                 pid_match++;
8277                 }
8278
8279                 /* check source WWN for a match */
8280                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
8281                         wwn1 = wwn_to_u64(vha->port_name);
8282                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
8283                         if (wwn2 == (uint64_t)-1)
8284                                 wwn_match++;
8285                         else if (wwn1 == wwn2)
8286                                 wwn_match++;
8287                 }
8288
8289                 /* check destination WWN for a match */
8290                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
8291                         wwn1 = wwn_to_u64(fcport->port_name);
8292                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
8293                         if (wwn2 == (uint64_t)-1)
8294                                 wwn_match++;
8295                         else if (wwn1 == wwn2)
8296                                 wwn_match++;
8297                 }
8298
8299                 if (pid_match == 2 || wwn_match == 2) {
8300                         /* Found a matching entry */
8301                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
8302                                 priority = pri_entry->tag;
8303                         break;
8304                 }
8305
8306                 pri_entry++;
8307         }
8308
8309         return priority;
8310 }
8311
8312 /*
8313  * qla24xx_update_fcport_fcp_prio
8314  *      Activates fcp priority for the logged in fc port
8315  *
8316  * Input:
8317  *      vha = scsi host structure pointer.
8318  *      fcp = port structure pointer.
8319  *
8320  * Return:
8321  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8322  *
8323  * Context:
8324  *      Kernel context.
8325  */
8326 int
8327 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8328 {
8329         int ret;
8330         int priority;
8331         uint16_t mb[5];
8332
8333         if (fcport->port_type != FCT_TARGET ||
8334             fcport->loop_id == FC_NO_LOOP_ID)
8335                 return QLA_FUNCTION_FAILED;
8336
8337         priority = qla24xx_get_fcp_prio(vha, fcport);
8338         if (priority < 0)
8339                 return QLA_FUNCTION_FAILED;
8340
8341         if (IS_P3P_TYPE(vha->hw)) {
8342                 fcport->fcp_prio = priority & 0xf;
8343                 return QLA_SUCCESS;
8344         }
8345
8346         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
8347         if (ret == QLA_SUCCESS) {
8348                 if (fcport->fcp_prio != priority)
8349                         ql_dbg(ql_dbg_user, vha, 0x709e,
8350                             "Updated FCP_CMND priority - value=%d loop_id=%d "
8351                             "port_id=%02x%02x%02x.\n", priority,
8352                             fcport->loop_id, fcport->d_id.b.domain,
8353                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
8354                 fcport->fcp_prio = priority & 0xf;
8355         } else
8356                 ql_dbg(ql_dbg_user, vha, 0x704f,
8357                     "Unable to update FCP_CMND priority - ret=0x%x for "
8358                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
8359                     fcport->d_id.b.domain, fcport->d_id.b.area,
8360                     fcport->d_id.b.al_pa);
8361         return  ret;
8362 }
8363
8364 /*
8365  * qla24xx_update_all_fcp_prio
8366  *      Activates fcp priority for all the logged in ports
8367  *
8368  * Input:
8369  *      ha = adapter block pointer.
8370  *
8371  * Return:
8372  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8373  *
8374  * Context:
8375  *      Kernel context.
8376  */
8377 int
8378 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
8379 {
8380         int ret;
8381         fc_port_t *fcport;
8382
8383         ret = QLA_FUNCTION_FAILED;
8384         /* We need to set priority for all logged in ports */
8385         list_for_each_entry(fcport, &vha->vp_fcports, list)
8386                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
8387
8388         return ret;
8389 }
8390
8391 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
8392         int vp_idx, bool startqp)
8393 {
8394         int rsp_id = 0;
8395         int  req_id = 0;
8396         int i;
8397         struct qla_hw_data *ha = vha->hw;
8398         uint16_t qpair_id = 0;
8399         struct qla_qpair *qpair = NULL;
8400         struct qla_msix_entry *msix;
8401
8402         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
8403                 ql_log(ql_log_warn, vha, 0x00181,
8404                     "FW/Driver is not multi-queue capable.\n");
8405                 return NULL;
8406         }
8407
8408         if (ql2xmqsupport || ql2xnvmeenable) {
8409                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
8410                 if (qpair == NULL) {
8411                         ql_log(ql_log_warn, vha, 0x0182,
8412                             "Failed to allocate memory for queue pair.\n");
8413                         return NULL;
8414                 }
8415                 memset(qpair, 0, sizeof(struct qla_qpair));
8416
8417                 qpair->hw = vha->hw;
8418                 qpair->vha = vha;
8419                 qpair->qp_lock_ptr = &qpair->qp_lock;
8420                 spin_lock_init(&qpair->qp_lock);
8421                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
8422
8423                 /* Assign available que pair id */
8424                 mutex_lock(&ha->mq_lock);
8425                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
8426                 if (ha->num_qpairs >= ha->max_qpairs) {
8427                         mutex_unlock(&ha->mq_lock);
8428                         ql_log(ql_log_warn, vha, 0x0183,
8429                             "No resources to create additional q pair.\n");
8430                         goto fail_qid_map;
8431                 }
8432                 ha->num_qpairs++;
8433                 set_bit(qpair_id, ha->qpair_qid_map);
8434                 ha->queue_pair_map[qpair_id] = qpair;
8435                 qpair->id = qpair_id;
8436                 qpair->vp_idx = vp_idx;
8437                 qpair->fw_started = ha->flags.fw_started;
8438                 INIT_LIST_HEAD(&qpair->hints_list);
8439                 qpair->chip_reset = ha->base_qpair->chip_reset;
8440                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
8441                 qpair->enable_explicit_conf =
8442                     ha->base_qpair->enable_explicit_conf;
8443
8444                 for (i = 0; i < ha->msix_count; i++) {
8445                         msix = &ha->msix_entries[i];
8446                         if (msix->in_use)
8447                                 continue;
8448                         qpair->msix = msix;
8449                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
8450                             "Vector %x selected for qpair\n", msix->vector);
8451                         break;
8452                 }
8453                 if (!qpair->msix) {
8454                         ql_log(ql_log_warn, vha, 0x0184,
8455                             "Out of MSI-X vectors!.\n");
8456                         goto fail_msix;
8457                 }
8458
8459                 qpair->msix->in_use = 1;
8460                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
8461                 qpair->pdev = ha->pdev;
8462                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
8463                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
8464
8465                 mutex_unlock(&ha->mq_lock);
8466
8467                 /* Create response queue first */
8468                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
8469                 if (!rsp_id) {
8470                         ql_log(ql_log_warn, vha, 0x0185,
8471                             "Failed to create response queue.\n");
8472                         goto fail_rsp;
8473                 }
8474
8475                 qpair->rsp = ha->rsp_q_map[rsp_id];
8476
8477                 /* Create request queue */
8478                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
8479                     startqp);
8480                 if (!req_id) {
8481                         ql_log(ql_log_warn, vha, 0x0186,
8482                             "Failed to create request queue.\n");
8483                         goto fail_req;
8484                 }
8485
8486                 qpair->req = ha->req_q_map[req_id];
8487                 qpair->rsp->req = qpair->req;
8488                 qpair->rsp->qpair = qpair;
8489                 /* init qpair to this cpu. Will adjust at run time. */
8490                 qla_cpu_update(qpair, smp_processor_id());
8491
8492                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
8493                         if (ha->fw_attributes & BIT_4)
8494                                 qpair->difdix_supported = 1;
8495                 }
8496
8497                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
8498                 if (!qpair->srb_mempool) {
8499                         ql_log(ql_log_warn, vha, 0xd036,
8500                             "Failed to create srb mempool for qpair %d\n",
8501                             qpair->id);
8502                         goto fail_mempool;
8503                 }
8504
8505                 /* Mark as online */
8506                 qpair->online = 1;
8507
8508                 if (!vha->flags.qpairs_available)
8509                         vha->flags.qpairs_available = 1;
8510
8511                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
8512                     "Request/Response queue pair created, id %d\n",
8513                     qpair->id);
8514                 ql_dbg(ql_dbg_init, vha, 0x0187,
8515                     "Request/Response queue pair created, id %d\n",
8516                     qpair->id);
8517         }
8518         return qpair;
8519
8520 fail_mempool:
8521 fail_req:
8522         qla25xx_delete_rsp_que(vha, qpair->rsp);
8523 fail_rsp:
8524         mutex_lock(&ha->mq_lock);
8525         qpair->msix->in_use = 0;
8526         list_del(&qpair->qp_list_elem);
8527         if (list_empty(&vha->qp_list))
8528                 vha->flags.qpairs_available = 0;
8529 fail_msix:
8530         ha->queue_pair_map[qpair_id] = NULL;
8531         clear_bit(qpair_id, ha->qpair_qid_map);
8532         ha->num_qpairs--;
8533         mutex_unlock(&ha->mq_lock);
8534 fail_qid_map:
8535         kfree(qpair);
8536         return NULL;
8537 }
8538
8539 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
8540 {
8541         int ret = QLA_FUNCTION_FAILED;
8542         struct qla_hw_data *ha = qpair->hw;
8543
8544         qpair->delete_in_progress = 1;
8545         while (atomic_read(&qpair->ref_count))
8546                 msleep(500);
8547
8548         ret = qla25xx_delete_req_que(vha, qpair->req);
8549         if (ret != QLA_SUCCESS)
8550                 goto fail;
8551
8552         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
8553         if (ret != QLA_SUCCESS)
8554                 goto fail;
8555
8556         mutex_lock(&ha->mq_lock);
8557         ha->queue_pair_map[qpair->id] = NULL;
8558         clear_bit(qpair->id, ha->qpair_qid_map);
8559         ha->num_qpairs--;
8560         list_del(&qpair->qp_list_elem);
8561         if (list_empty(&vha->qp_list)) {
8562                 vha->flags.qpairs_available = 0;
8563                 vha->flags.qpairs_req_created = 0;
8564                 vha->flags.qpairs_rsp_created = 0;
8565         }
8566         mempool_destroy(qpair->srb_mempool);
8567         kfree(qpair);
8568         mutex_unlock(&ha->mq_lock);
8569
8570         return QLA_SUCCESS;
8571 fail:
8572         return ret;
8573 }