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                                 if (conflict_fcport) {
 595                                         qlt_schedule_sess_for_deletion
 596                                                 (conflict_fcport);
 597                                         ql_dbg(ql_dbg_disc, vha, 0x20e6,
 598                                             "%s %d %8phC post del sess\n",
 599                                             __func__, __LINE__,
 600                                             conflict_fcport->port_name);
 601                                 }
 602                         }
 603
 604                         /* FW already picked this loop id for another fcport */
 605                         if (fcport->loop_id == loop_id)
 606                                 fcport->loop_id = FC_NO_LOOP_ID;
 607                 }
 608                 qla24xx_fcport_handle_login(vha, fcport);
 609         }
 610 } /* gnl_event */
 611
 612 static void
 613 qla24xx_async_gnl_sp_done(void *s, int res)
 614 {
 615         struct srb *sp = s;
 616         struct scsi_qla_host *vha = sp->vha;
 617         unsigned long flags;
 618         struct fc_port *fcport = NULL, *tf;
 619         u16 i, n = 0, loop_id;
 620         struct event_arg ea;
 621         struct get_name_list_extended *e;
 622         u64 wwn;
 623         struct list_head h;
 624         bool found = false;
 625
 626         ql_dbg(ql_dbg_disc, vha, 0x20e7,
 627             "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
 628             sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
 629             sp->u.iocb_cmd.u.mbx.in_mb[2]);
 630
 631         memset(&ea, 0, sizeof(ea));
 632         ea.sp = sp;
 633         ea.rc = res;
 634         ea.event = FCME_GNL_DONE;
 635
 636         if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
 637             sizeof(struct get_name_list_extended)) {
 638                 n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
 639                     sizeof(struct get_name_list_extended);
 640                 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
 641         }
 642
 643         for (i = 0; i < n; i++) {
 644                 e = &vha->gnl.l[i];
 645                 loop_id = le16_to_cpu(e->nport_handle);
 646                 /* mask out reserve bit */
 647                 loop_id = (loop_id & 0x7fff);
 648                 set_bit(loop_id, vha->hw->loop_id_map);
 649                 wwn = wwn_to_u64(e->port_name);
 650
 651                 ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x20e8,
 652                     "%s %8phC %02x:%02x:%02x state %d/%d lid %x \n",
 653                     __func__, (void *)&wwn, e->port_id[2], e->port_id[1],
 654                     e->port_id[0], e->current_login_state, e->last_login_state,
 655                     (loop_id & 0x7fff));
 656         }
 657
 658         spin_lock_irqsave(&vha->gnl.fcports_lock, flags);
 659
 660         INIT_LIST_HEAD(&h);
 661         fcport = tf = NULL;
 662         if (!list_empty(&vha->gnl.fcports))
 663                 list_splice_init(&vha->gnl.fcports, &h);
 664
 665         list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
 666                 list_del_init(&fcport->gnl_entry);
 667                 spin_lock(&vha->hw->tgt.sess_lock);
 668                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 669                 spin_unlock(&vha->hw->tgt.sess_lock);
 670                 ea.fcport = fcport;
 671
 672                 qla2x00_fcport_event_handler(vha, &ea);
 673         }
 674         spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags);
 675
 676         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 677         /* create new fcport if fw has knowledge of new sessions */
 678         for (i = 0; i < n; i++) {
 679                 port_id_t id;
 680                 u64 wwnn;
 681
 682                 e = &vha->gnl.l[i];
 683                 wwn = wwn_to_u64(e->port_name);
 684
 685                 found = false;
 686                 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
 687                         if (!memcmp((u8 *)&wwn, fcport->port_name,
 688                             WWN_SIZE)) {
 689                                 found = true;
 690                                 break;
 691                         }
 692                 }
 693
 694                 id.b.domain = e->port_id[2];
 695                 id.b.area = e->port_id[1];
 696                 id.b.al_pa = e->port_id[0];
 697                 id.b.rsvd_1 = 0;
 698
 699                 if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
 700                         ql_dbg(ql_dbg_disc, vha, 0x2065,
 701                             "%s %d %8phC %06x post new sess\n",
 702                             __func__, __LINE__, (u8 *)&wwn, id.b24);
 703                         wwnn = wwn_to_u64(e->node_name);
 704                         qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
 705                             (u8 *)&wwnn, NULL, FC4_TYPE_UNKNOWN);
 706                 }
 707         }
 708
 709         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 710
 711         sp->free(sp);
 712 }
 713
 714 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
 715 {
 716         srb_t *sp;
 717         struct srb_iocb *mbx;
 718         int rval = QLA_FUNCTION_FAILED;
 719         unsigned long flags;
 720         u16 *mb;
 721
 722         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 723                 return rval;
 724
 725         ql_dbg(ql_dbg_disc, vha, 0x20d9,
 726             "Async-gnlist WWPN %8phC \n", fcport->port_name);
 727
 728         spin_lock_irqsave(&vha->gnl.fcports_lock, flags);
 729         if (!list_empty(&fcport->gnl_entry)) {
 730                 spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags);
 731                 rval = QLA_SUCCESS;
 732                 goto done;
 733         }
 734
 735         spin_lock(&vha->hw->tgt.sess_lock);
 736         fcport->disc_state = DSC_GNL;
 737         fcport->last_rscn_gen = fcport->rscn_gen;
 738         fcport->last_login_gen = fcport->login_gen;
 739         spin_unlock(&vha->hw->tgt.sess_lock);
 740
 741         list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
 742         spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags);
 743
 744         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 745         if (!sp)
 746                 goto done;
 747
 748         fcport->flags |= FCF_ASYNC_SENT;
 749         sp->type = SRB_MB_IOCB;
 750         sp->name = "gnlist";
 751         sp->gen1 = fcport->rscn_gen;
 752         sp->gen2 = fcport->login_gen;
 753
 754         mbx = &sp->u.iocb_cmd;
 755         mbx->timeout = qla2x00_async_iocb_timeout;
 756         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
 757
 758         mb = sp->u.iocb_cmd.u.mbx.out_mb;
 759         mb[0] = MBC_PORT_NODE_NAME_LIST;
 760         mb[1] = BIT_2 | BIT_3;
 761         mb[2] = MSW(vha->gnl.ldma);
 762         mb[3] = LSW(vha->gnl.ldma);
 763         mb[6] = MSW(MSD(vha->gnl.ldma));
 764         mb[7] = LSW(MSD(vha->gnl.ldma));
 765         mb[8] = vha->gnl.size;
 766         mb[9] = vha->vp_idx;
 767
 768         sp->done = qla24xx_async_gnl_sp_done;
 769
 770         rval = qla2x00_start_sp(sp);
 771         if (rval != QLA_SUCCESS)
 772                 goto done_free_sp;
 773
 774         ql_dbg(ql_dbg_disc, vha, 0x20da,
 775             "Async-%s - OUT WWPN %8phC hndl %x\n",
 776             sp->name, fcport->port_name, sp->handle);
 777
 778         return rval;
 779
 780 done_free_sp:
 781         sp->free(sp);
 782         fcport->flags &= ~FCF_ASYNC_SENT;
 783 done:
 784         return rval;
 785 }
 786
 787 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 788 {
 789         struct qla_work_evt *e;
 790
 791         e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
 792         if (!e)
 793                 return QLA_FUNCTION_FAILED;
 794
 795         e->u.fcport.fcport = fcport;
 796         fcport->flags |= FCF_ASYNC_ACTIVE;
 797         return qla2x00_post_work(vha, e);
 798 }
 799
 800 static
 801 void qla24xx_async_gpdb_sp_done(void *s, int res)
 802 {
 803         struct srb *sp = s;
 804         struct scsi_qla_host *vha = sp->vha;
 805         struct qla_hw_data *ha = vha->hw;
 806         fc_port_t *fcport = sp->fcport;
 807         u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
 808         struct event_arg ea;
 809
 810         ql_dbg(ql_dbg_disc, vha, 0x20db,
 811             "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
 812             sp->name, res, fcport->port_name, mb[1], mb[2]);
 813
 814         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 815
 816         memset(&ea, 0, sizeof(ea));
 817         ea.event = FCME_GPDB_DONE;
 818         ea.fcport = fcport;
 819         ea.sp = sp;
 820
 821         qla2x00_fcport_event_handler(vha, &ea);
 822
 823         dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
 824                 sp->u.iocb_cmd.u.mbx.in_dma);
 825
 826         sp->free(sp);
 827 }
 828
 829 static int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 830 {
 831         struct qla_work_evt *e;
 832
 833         e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
 834         if (!e)
 835                 return QLA_FUNCTION_FAILED;
 836
 837         e->u.fcport.fcport = fcport;
 838
 839         return qla2x00_post_work(vha, e);
 840 }
 841
 842 static void
 843 qla2x00_async_prli_sp_done(void *ptr, int res)
 844 {
 845         srb_t *sp = ptr;
 846         struct scsi_qla_host *vha = sp->vha;
 847         struct srb_iocb *lio = &sp->u.iocb_cmd;
 848         struct event_arg ea;
 849
 850         ql_dbg(ql_dbg_disc, vha, 0x2129,
 851             "%s %8phC res %d \n", __func__,
 852             sp->fcport->port_name, res);
 853
 854         sp->fcport->flags &= ~FCF_ASYNC_SENT;
 855
 856         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 857                 memset(&ea, 0, sizeof(ea));
 858                 ea.event = FCME_PRLI_DONE;
 859                 ea.fcport = sp->fcport;
 860                 ea.data[0] = lio->u.logio.data[0];
 861                 ea.data[1] = lio->u.logio.data[1];
 862                 ea.iop[0] = lio->u.logio.iop[0];
 863                 ea.iop[1] = lio->u.logio.iop[1];
 864                 ea.sp = sp;
 865
 866                 qla2x00_fcport_event_handler(vha, &ea);
 867         }
 868
 869         sp->free(sp);
 870 }
 871
 872 int
 873 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
 874 {
 875         srb_t *sp;
 876         struct srb_iocb *lio;
 877         int rval = QLA_FUNCTION_FAILED;
 878
 879         if (!vha->flags.online)
 880                 return rval;
 881
 882         if (fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
 883             fcport->fw_login_state == DSC_LS_PRLI_PEND)
 884                 return rval;
 885
 886         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 887         if (!sp)
 888                 return rval;
 889
 890         fcport->flags |= FCF_ASYNC_SENT;
 891         fcport->logout_completed = 0;
 892
 893         sp->type = SRB_PRLI_CMD;
 894         sp->name = "prli";
 895
 896         lio = &sp->u.iocb_cmd;
 897         lio->timeout = qla2x00_async_iocb_timeout;
 898         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 899
 900         sp->done = qla2x00_async_prli_sp_done;
 901         lio->u.logio.flags = 0;
 902
 903         if  (fcport->fc4f_nvme)
 904                 lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
 905
 906         rval = qla2x00_start_sp(sp);
 907         if (rval != QLA_SUCCESS) {
 908                 fcport->flags |= FCF_LOGIN_NEEDED;
 909                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 910                 goto done_free_sp;
 911         }
 912
 913         ql_dbg(ql_dbg_disc, vha, 0x211b,
 914             "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d.\n",
 915             fcport->port_name, sp->handle, fcport->loop_id,
 916             fcport->d_id.b24, fcport->login_retry);
 917
 918         return rval;
 919
 920 done_free_sp:
 921         sp->free(sp);
 922         fcport->flags &= ~FCF_ASYNC_SENT;
 923         return rval;
 924 }
 925
 926 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
 927 {
 928         struct qla_work_evt *e;
 929
 930         e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
 931         if (!e)
 932                 return QLA_FUNCTION_FAILED;
 933
 934         e->u.fcport.fcport = fcport;
 935         e->u.fcport.opt = opt;
 936         fcport->flags |= FCF_ASYNC_ACTIVE;
 937         return qla2x00_post_work(vha, e);
 938 }
 939
 940 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
 941 {
 942         srb_t *sp;
 943         struct srb_iocb *mbx;
 944         int rval = QLA_FUNCTION_FAILED;
 945         u16 *mb;
 946         dma_addr_t pd_dma;
 947         struct port_database_24xx *pd;
 948         struct qla_hw_data *ha = vha->hw;
 949
 950         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 951                 return rval;
 952
 953         fcport->disc_state = DSC_GPDB;
 954
 955         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 956         if (!sp)
 957                 goto done;
 958
 959         fcport->flags |= FCF_ASYNC_SENT;
 960         sp->type = SRB_MB_IOCB;
 961         sp->name = "gpdb";
 962         sp->gen1 = fcport->rscn_gen;
 963         sp->gen2 = fcport->login_gen;
 964
 965         mbx = &sp->u.iocb_cmd;
 966         mbx->timeout = qla2x00_async_iocb_timeout;
 967         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 968
 969         pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
 970         if (pd == NULL) {
 971                 ql_log(ql_log_warn, vha, 0xd043,
 972                     "Failed to allocate port database structure.\n");
 973                 goto done_free_sp;
 974         }
 975
 976         mb = sp->u.iocb_cmd.u.mbx.out_mb;
 977         mb[0] = MBC_GET_PORT_DATABASE;
 978         mb[1] = fcport->loop_id;
 979         mb[2] = MSW(pd_dma);
 980         mb[3] = LSW(pd_dma);
 981         mb[6] = MSW(MSD(pd_dma));
 982         mb[7] = LSW(MSD(pd_dma));
 983         mb[9] = vha->vp_idx;
 984         mb[10] = opt;
 985
 986         mbx->u.mbx.in = (void *)pd;
 987         mbx->u.mbx.in_dma = pd_dma;
 988
 989         sp->done = qla24xx_async_gpdb_sp_done;
 990
 991         rval = qla2x00_start_sp(sp);
 992         if (rval != QLA_SUCCESS)
 993                 goto done_free_sp;
 994
 995         ql_dbg(ql_dbg_disc, vha, 0x20dc,
 996             "Async-%s %8phC hndl %x opt %x\n",
 997             sp->name, fcport->port_name, sp->handle, opt);
 998
 999         return rval;
1000
1001 done_free_sp:
1002         if (pd)
1003                 dma_pool_free(ha->s_dma_pool, pd, pd_dma);
1004
1005         sp->free(sp);
1006         fcport->flags &= ~FCF_ASYNC_SENT;
1007 done:
1008         qla24xx_post_gpdb_work(vha, fcport, opt);
1009         return rval;
1010 }
1011
1012 static
1013 void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1014 {
1015         unsigned long flags;
1016
1017         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1018         ea->fcport->login_gen++;
1019         ea->fcport->deleted = 0;
1020         ea->fcport->logout_on_delete = 1;
1021
1022         if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
1023                 vha->fcport_count++;
1024                 ea->fcport->login_succ = 1;
1025
1026                 ql_dbg(ql_dbg_disc, vha, 0x20d6,
1027                     "%s %d %8phC post upd_fcport fcp_cnt %d\n",
1028                     __func__, __LINE__,  ea->fcport->port_name,
1029                     vha->fcport_count);
1030                 qla24xx_post_upd_fcport_work(vha, ea->fcport);
1031         } else if (ea->fcport->login_succ) {
1032                 /*
1033                  * We have an existing session. A late RSCN delivery
1034                  * must have triggered the session to be re-validate.
1035                  * Session is still valid.
1036                  */
1037                 ql_dbg(ql_dbg_disc, vha, 0x20d6,
1038                     "%s %d %8phC session revalidate success\n",
1039                     __func__, __LINE__, ea->fcport->port_name);
1040                 ea->fcport->disc_state = DSC_LOGIN_COMPLETE;
1041         }
1042         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1043 }
1044
1045 static
1046 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1047 {
1048         fc_port_t *fcport = ea->fcport;
1049         struct port_database_24xx *pd;
1050         struct srb *sp = ea->sp;
1051         uint8_t ls;
1052
1053         pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
1054
1055         fcport->flags &= ~FCF_ASYNC_SENT;
1056
1057         ql_dbg(ql_dbg_disc, vha, 0x20d2,
1058             "%s %8phC DS %d LS %d rc %d\n", __func__, fcport->port_name,
1059             fcport->disc_state, pd->current_login_state, ea->rc);
1060
1061         if (fcport->disc_state == DSC_DELETE_PEND)
1062                 return;
1063
1064         if (fcport->fc4f_nvme)
1065                 ls = pd->current_login_state >> 4;
1066         else
1067                 ls = pd->current_login_state & 0xf;
1068
1069         switch (ls) {
1070         case PDS_PRLI_COMPLETE:
1071                 __qla24xx_parse_gpdb(vha, fcport, pd);
1072                 break;
1073         case PDS_PLOGI_PENDING:
1074         case PDS_PLOGI_COMPLETE:
1075         case PDS_PRLI_PENDING:
1076         case PDS_PRLI2_PENDING:
1077                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC relogin needed\n",
1078                     __func__, __LINE__, fcport->port_name);
1079                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1080                 return;
1081         case PDS_LOGO_PENDING:
1082         case PDS_PORT_UNAVAILABLE:
1083         default:
1084                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
1085                     __func__, __LINE__, fcport->port_name);
1086                 qlt_schedule_sess_for_deletion(fcport);
1087                 return;
1088         }
1089         __qla24xx_handle_gpdb_event(vha, ea);
1090 } /* gpdb event */
1091
1092 static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1093 {
1094         u8 login = 0;
1095         int rc;
1096
1097         if (qla_tgt_mode_enabled(vha))
1098                 return;
1099
1100         if (qla_dual_mode_enabled(vha)) {
1101                 if (N2N_TOPO(vha->hw)) {
1102                         u64 mywwn, wwn;
1103
1104                         mywwn = wwn_to_u64(vha->port_name);
1105                         wwn = wwn_to_u64(fcport->port_name);
1106                         if (mywwn > wwn)
1107                                 login = 1;
1108                         else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1109                             && time_after_eq(jiffies,
1110                                     fcport->plogi_nack_done_deadline))
1111                                 login = 1;
1112                 } else {
1113                         login = 1;
1114                 }
1115         } else {
1116                 /* initiator mode */
1117                 login = 1;
1118         }
1119
1120         if (login) {
1121                 if (fcport->loop_id == FC_NO_LOOP_ID) {
1122                         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
1123                         rc = qla2x00_find_new_loop_id(vha, fcport);
1124                         if (rc) {
1125                                 ql_dbg(ql_dbg_disc, vha, 0x20e6,
1126                                     "%s %d %8phC post del sess - out of loopid\n",
1127                                     __func__, __LINE__, fcport->port_name);
1128                                 fcport->scan_state = 0;
1129                                 qlt_schedule_sess_for_deletion(fcport);
1130                                 return;
1131                         }
1132                 }
1133                 ql_dbg(ql_dbg_disc, vha, 0x20bf,
1134                     "%s %d %8phC post login\n",
1135                     __func__, __LINE__, fcport->port_name);
1136                 qla2x00_post_async_login_work(vha, fcport, NULL);
1137         }
1138 }
1139
1140 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1141 {
1142         u16 data[2];
1143         u64 wwn;
1144
1145         ql_dbg(ql_dbg_disc, vha, 0x20d8,
1146             "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d retry %d lid %d scan %d\n",
1147             __func__, fcport->port_name, fcport->disc_state,
1148             fcport->fw_login_state, fcport->login_pause, fcport->flags,
1149             fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
1150             fcport->login_gen, fcport->login_retry,
1151             fcport->loop_id, fcport->scan_state);
1152
1153         if (fcport->scan_state != QLA_FCPORT_FOUND)
1154                 return 0;
1155
1156         if ((fcport->loop_id != FC_NO_LOOP_ID) &&
1157             ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1158              (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
1159                 return 0;
1160
1161         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1162                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1163                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1164                         return 0;
1165                 }
1166         }
1167
1168         /* for pure Target Mode. Login will not be initiated */
1169         if (vha->host->active_mode == MODE_TARGET)
1170                 return 0;
1171
1172         if (fcport->flags & FCF_ASYNC_SENT) {
1173                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1174                 return 0;
1175         }
1176
1177         if (fcport->login_retry > 0)
1178                 fcport->login_retry--;
1179
1180         switch (fcport->disc_state) {
1181         case DSC_DELETED:
1182                 wwn = wwn_to_u64(fcport->node_name);
1183                 if (wwn == 0) {
1184                         ql_dbg(ql_dbg_disc, vha, 0xffff,
1185                             "%s %d %8phC post GNNID\n",
1186                             __func__, __LINE__, fcport->port_name);
1187                         qla24xx_post_gnnid_work(vha, fcport);
1188                 } else if (fcport->loop_id == FC_NO_LOOP_ID) {
1189                         ql_dbg(ql_dbg_disc, vha, 0x20bd,
1190                             "%s %d %8phC post gnl\n",
1191                             __func__, __LINE__, fcport->port_name);
1192                         qla24xx_post_gnl_work(vha, fcport);
1193                 } else {
1194                         qla_chk_n2n_b4_login(vha, fcport);
1195                 }
1196                 break;
1197
1198         case DSC_GNL:
1199                 if (fcport->login_pause) {
1200                         fcport->last_rscn_gen = fcport->rscn_gen;
1201                         fcport->last_login_gen = fcport->login_gen;
1202                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1203                         break;
1204                 }
1205
1206                 qla_chk_n2n_b4_login(vha, fcport);
1207                 break;
1208
1209         case DSC_LOGIN_FAILED:
1210                 ql_dbg(ql_dbg_disc, vha, 0x20d0,
1211                     "%s %d %8phC post gidpn\n",
1212                     __func__, __LINE__, fcport->port_name);
1213                 if (N2N_TOPO(vha->hw))
1214                         qla_chk_n2n_b4_login(vha, fcport);
1215                 else
1216                         qla24xx_post_gidpn_work(vha, fcport);
1217                 break;
1218
1219         case DSC_LOGIN_COMPLETE:
1220                 /* recheck login state */
1221                 ql_dbg(ql_dbg_disc, vha, 0x20d1,
1222                     "%s %d %8phC post adisc\n",
1223                     __func__, __LINE__, fcport->port_name);
1224                 data[0] = data[1] = 0;
1225                 qla2x00_post_async_adisc_work(vha, fcport, data);
1226                 break;
1227
1228         case DSC_LOGIN_PEND:
1229                 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1230                         qla24xx_post_prli_work(vha, fcport);
1231                 break;
1232
1233         default:
1234                 break;
1235         }
1236
1237         return 0;
1238 }
1239
1240 static
1241 void qla24xx_handle_rscn_event(fc_port_t *fcport, struct event_arg *ea)
1242 {
1243         fcport->rscn_gen++;
1244
1245         ql_dbg(ql_dbg_disc, fcport->vha, 0x210c,
1246             "%s %8phC DS %d LS %d\n",
1247             __func__, fcport->port_name, fcport->disc_state,
1248             fcport->fw_login_state);
1249
1250         if (fcport->flags & FCF_ASYNC_SENT)
1251                 return;
1252
1253         switch (fcport->disc_state) {
1254         case DSC_DELETED:
1255         case DSC_LOGIN_COMPLETE:
1256                 qla24xx_post_gpnid_work(fcport->vha, &ea->id);
1257                 break;
1258         default:
1259                 break;
1260         }
1261 }
1262
1263 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1264     u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
1265 {
1266         struct qla_work_evt *e;
1267         e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1268         if (!e)
1269                 return QLA_FUNCTION_FAILED;
1270
1271         e->u.new_sess.id = *id;
1272         e->u.new_sess.pla = pla;
1273         e->u.new_sess.fc4_type = fc4_type;
1274         memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1275         if (node_name)
1276                 memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
1277
1278         return qla2x00_post_work(vha, e);
1279 }
1280
1281 static
1282 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1283         struct event_arg *ea)
1284 {
1285         fc_port_t *fcport = ea->fcport;
1286
1287         ql_dbg(ql_dbg_disc, vha, 0x2102,
1288             "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1289             __func__, fcport->port_name, fcport->disc_state,
1290             fcport->fw_login_state, fcport->login_pause,
1291             fcport->deleted, fcport->conflict,
1292             fcport->last_rscn_gen, fcport->rscn_gen,
1293             fcport->last_login_gen, fcport->login_gen,
1294             fcport->flags);
1295
1296         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1297             (fcport->fw_login_state == DSC_LS_PRLI_PEND))
1298                 return;
1299
1300         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1301                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1302                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1303                         return;
1304                 }
1305         }
1306
1307         if (fcport->flags & FCF_ASYNC_SENT) {
1308                 fcport->login_retry++;
1309                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1310                 return;
1311         }
1312
1313         if (fcport->disc_state == DSC_DELETE_PEND) {
1314                 fcport->login_retry++;
1315                 return;
1316         }
1317
1318         if (fcport->last_rscn_gen != fcport->rscn_gen) {
1319                 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gidpn\n",
1320                     __func__, __LINE__, fcport->port_name);
1321
1322                 qla24xx_post_gidpn_work(vha, fcport);
1323                 return;
1324         }
1325
1326         qla24xx_fcport_handle_login(vha, fcport);
1327 }
1328
1329 void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea)
1330 {
1331         fc_port_t *f, *tf;
1332         uint32_t id = 0, mask, rid;
1333         unsigned long flags;
1334         fc_port_t *fcport;
1335
1336         switch (ea->event) {
1337         case FCME_RELOGIN:
1338                 if (test_bit(UNLOADING, &vha->dpc_flags))
1339                         return;
1340
1341                 qla24xx_handle_relogin_event(vha, ea);
1342                 break;
1343         case FCME_RSCN:
1344                 if (test_bit(UNLOADING, &vha->dpc_flags))
1345                         return;
1346                 switch (ea->id.b.rsvd_1) {
1347                 case RSCN_PORT_ADDR:
1348                         fcport = qla2x00_find_fcport_by_nportid
1349                                 (vha, &ea->id, 1);
1350                         if (fcport)
1351                                 fcport->rscn_rcvd = 1;
1352
1353                         spin_lock_irqsave(&vha->work_lock, flags);
1354                         if (vha->scan.scan_flags == 0) {
1355                                 ql_dbg(ql_dbg_disc, vha, 0xffff,
1356                                     "%s: schedule\n", __func__);
1357                                 vha->scan.scan_flags |= SF_QUEUED;
1358                                 schedule_delayed_work(&vha->scan.scan_work, 5);
1359                         }
1360                         spin_unlock_irqrestore(&vha->work_lock, flags);
1361
1362                         break;
1363                 case RSCN_AREA_ADDR:
1364                 case RSCN_DOM_ADDR:
1365                         if (ea->id.b.rsvd_1 == RSCN_AREA_ADDR) {
1366                                 mask = 0xffff00;
1367                                 ql_dbg(ql_dbg_async, vha, 0x5044,
1368                                     "RSCN: Area 0x%06x was affected\n",
1369                                     ea->id.b24);
1370                         } else {
1371                                 mask = 0xff0000;
1372                                 ql_dbg(ql_dbg_async, vha, 0x507a,
1373                                     "RSCN: Domain 0x%06x was affected\n",
1374                                     ea->id.b24);
1375                         }
1376
1377                         rid = ea->id.b24 & mask;
1378                         list_for_each_entry_safe(f, tf, &vha->vp_fcports,
1379                             list) {
1380                                 id = f->d_id.b24 & mask;
1381                                 if (rid == id) {
1382                                         ea->fcport = f;
1383                                         qla24xx_handle_rscn_event(f, ea);
1384                                 }
1385                         }
1386                         break;
1387                 case RSCN_FAB_ADDR:
1388                 default:
1389                         ql_log(ql_log_warn, vha, 0xd045,
1390                             "RSCN: Fabric was affected. Addr format %d\n",
1391                             ea->id.b.rsvd_1);
1392                         qla2x00_mark_all_devices_lost(vha, 1);
1393                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1394                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1395                 }
1396                 break;
1397         case FCME_GIDPN_DONE:
1398                 qla24xx_handle_gidpn_event(vha, ea);
1399                 break;
1400         case FCME_GNL_DONE:
1401                 qla24xx_handle_gnl_done_event(vha, ea);
1402                 break;
1403         case FCME_GPSC_DONE:
1404                 qla24xx_handle_gpsc_event(vha, ea);
1405                 break;
1406         case FCME_PLOGI_DONE:   /* Initiator side sent LLIOCB */
1407                 qla24xx_handle_plogi_done_event(vha, ea);
1408                 break;
1409         case FCME_PRLI_DONE:
1410                 qla24xx_handle_prli_done_event(vha, ea);
1411                 break;
1412         case FCME_GPDB_DONE:
1413                 qla24xx_handle_gpdb_event(vha, ea);
1414                 break;
1415         case FCME_GPNID_DONE:
1416                 qla24xx_handle_gpnid_event(vha, ea);
1417                 break;
1418         case FCME_GFFID_DONE:
1419                 qla24xx_handle_gffid_event(vha, ea);
1420                 break;
1421         case FCME_ADISC_DONE:
1422                 qla24xx_handle_adisc_event(vha, ea);
1423                 break;
1424         case FCME_GNNID_DONE:
1425                 qla24xx_handle_gnnid_event(vha, ea);
1426                 break;
1427         case FCME_GFPNID_DONE:
1428                 qla24xx_handle_gfpnid_event(vha, ea);
1429                 break;
1430         default:
1431                 BUG_ON(1);
1432                 break;
1433         }
1434 }
1435
1436 static void
1437 qla2x00_tmf_iocb_timeout(void *data)
1438 {
1439         srb_t *sp = data;
1440         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1441
1442         tmf->u.tmf.comp_status = CS_TIMEOUT;
1443         complete(&tmf->u.tmf.comp);
1444 }
1445
1446 static void
1447 qla2x00_tmf_sp_done(void *ptr, int res)
1448 {
1449         srb_t *sp = ptr;
1450         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1451
1452         complete(&tmf->u.tmf.comp);
1453 }
1454
1455 int
1456 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1457         uint32_t tag)
1458 {
1459         struct scsi_qla_host *vha = fcport->vha;
1460         struct srb_iocb *tm_iocb;
1461         srb_t *sp;
1462         int rval = QLA_FUNCTION_FAILED;
1463
1464         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1465         if (!sp)
1466                 goto done;
1467
1468         tm_iocb = &sp->u.iocb_cmd;
1469         sp->type = SRB_TM_CMD;
1470         sp->name = "tmf";
1471
1472         tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
1473         init_completion(&tm_iocb->u.tmf.comp);
1474         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1475
1476         tm_iocb->u.tmf.flags = flags;
1477         tm_iocb->u.tmf.lun = lun;
1478         tm_iocb->u.tmf.data = tag;
1479         sp->done = qla2x00_tmf_sp_done;
1480
1481         rval = qla2x00_start_sp(sp);
1482         if (rval != QLA_SUCCESS)
1483                 goto done_free_sp;
1484
1485         ql_dbg(ql_dbg_taskm, vha, 0x802f,
1486             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
1487             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
1488             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1489
1490         wait_for_completion(&tm_iocb->u.tmf.comp);
1491
1492         rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
1493             QLA_SUCCESS : QLA_FUNCTION_FAILED;
1494
1495         if ((rval != QLA_SUCCESS) || tm_iocb->u.tmf.data) {
1496                 ql_dbg(ql_dbg_taskm, vha, 0x8030,
1497                     "TM IOCB failed (%x).\n", rval);
1498         }
1499
1500         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
1501                 flags = tm_iocb->u.tmf.flags;
1502                 lun = (uint16_t)tm_iocb->u.tmf.lun;
1503
1504                 /* Issue Marker IOCB */
1505                 qla2x00_marker(vha, vha->hw->req_q_map[0],
1506                     vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
1507                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
1508         }
1509
1510 done_free_sp:
1511         sp->free(sp);
1512         sp->fcport->flags &= ~FCF_ASYNC_SENT;
1513 done:
1514         return rval;
1515 }
1516
1517 static void
1518 qla24xx_abort_iocb_timeout(void *data)
1519 {
1520         srb_t *sp = data;
1521         struct srb_iocb *abt = &sp->u.iocb_cmd;
1522
1523         abt->u.abt.comp_status = CS_TIMEOUT;
1524         complete(&abt->u.abt.comp);
1525 }
1526
1527 static void
1528 qla24xx_abort_sp_done(void *ptr, int res)
1529 {
1530         srb_t *sp = ptr;
1531         struct srb_iocb *abt = &sp->u.iocb_cmd;
1532
1533         if (del_timer(&sp->u.iocb_cmd.timer))
1534                 complete(&abt->u.abt.comp);
1535 }
1536
1537 int
1538 qla24xx_async_abort_cmd(srb_t *cmd_sp)
1539 {
1540         scsi_qla_host_t *vha = cmd_sp->vha;
1541         fc_port_t *fcport = cmd_sp->fcport;
1542         struct srb_iocb *abt_iocb;
1543         srb_t *sp;
1544         int rval = QLA_FUNCTION_FAILED;
1545
1546         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1547         if (!sp)
1548                 goto done;
1549
1550         abt_iocb = &sp->u.iocb_cmd;
1551         sp->type = SRB_ABT_CMD;
1552         sp->name = "abort";
1553
1554         abt_iocb->timeout = qla24xx_abort_iocb_timeout;
1555         init_completion(&abt_iocb->u.abt.comp);
1556         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1557
1558         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
1559
1560         if (vha->flags.qpairs_available && cmd_sp->qpair)
1561                 abt_iocb->u.abt.req_que_no =
1562                     cpu_to_le16(cmd_sp->qpair->req->id);
1563         else
1564                 abt_iocb->u.abt.req_que_no = cpu_to_le16(vha->req->id);
1565
1566         sp->done = qla24xx_abort_sp_done;
1567
1568         rval = qla2x00_start_sp(sp);
1569         if (rval != QLA_SUCCESS)
1570                 goto done_free_sp;
1571
1572         ql_dbg(ql_dbg_async, vha, 0x507c,
1573             "Abort command issued - hdl=%x, target_id=%x\n",
1574             cmd_sp->handle, fcport->tgt_id);
1575
1576         wait_for_completion(&abt_iocb->u.abt.comp);
1577
1578         rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
1579             QLA_SUCCESS : QLA_FUNCTION_FAILED;
1580
1581 done_free_sp:
1582         sp->free(sp);
1583 done:
1584         return rval;
1585 }
1586
1587 int
1588 qla24xx_async_abort_command(srb_t *sp)
1589 {
1590         unsigned long   flags = 0;
1591
1592         uint32_t        handle;
1593         fc_port_t       *fcport = sp->fcport;
1594         struct scsi_qla_host *vha = fcport->vha;
1595         struct qla_hw_data *ha = vha->hw;
1596         struct req_que *req = vha->req;
1597
1598         if (vha->flags.qpairs_available && sp->qpair)
1599                 req = sp->qpair->req;
1600
1601         spin_lock_irqsave(&ha->hardware_lock, flags);
1602         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
1603                 if (req->outstanding_cmds[handle] == sp)
1604                         break;
1605         }
1606         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1607         if (handle == req->num_outstanding_cmds) {
1608                 /* Command not found. */
1609                 return QLA_FUNCTION_FAILED;
1610         }
1611         if (sp->type == SRB_FXIOCB_DCMD)
1612                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1613                     FXDISC_ABORT_IOCTL);
1614
1615         return qla24xx_async_abort_cmd(sp);
1616 }
1617
1618 static void
1619 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1620 {
1621         switch (ea->data[0]) {
1622         case MBS_COMMAND_COMPLETE:
1623                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1624                     "%s %d %8phC post gpdb\n",
1625                     __func__, __LINE__, ea->fcport->port_name);
1626
1627                 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1628                 ea->fcport->logout_on_delete = 1;
1629                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1630                 break;
1631         default:
1632                 if ((ea->iop[0] == LSC_SCODE_ELS_REJECT) &&
1633                     (ea->iop[1] == 0x50000)) {   /* reson 5=busy expl:0x0 */
1634                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1635                         ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
1636                         break;
1637                 }
1638
1639                 if (ea->fcport->n2n_flag) {
1640                         ql_dbg(ql_dbg_disc, vha, 0x2118,
1641                                 "%s %d %8phC post fc4 prli\n",
1642                                 __func__, __LINE__, ea->fcport->port_name);
1643                         ea->fcport->fc4f_nvme = 0;
1644                         ea->fcport->n2n_flag = 0;
1645                         qla24xx_post_prli_work(vha, ea->fcport);
1646                 }
1647                 ql_dbg(ql_dbg_disc, vha, 0x2119,
1648                     "%s %d %8phC unhandle event of %x\n",
1649                     __func__, __LINE__, ea->fcport->port_name, ea->data[0]);
1650                 break;
1651         }
1652 }
1653
1654 static void
1655 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1656 {
1657         port_id_t cid;  /* conflict Nport id */
1658         u16 lid;
1659         struct fc_port *conflict_fcport;
1660         unsigned long flags;
1661         struct fc_port *fcport = ea->fcport;
1662
1663         ql_dbg(ql_dbg_disc, vha, 0xffff,
1664             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
1665             __func__, fcport->port_name, fcport->disc_state,
1666             fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
1667             ea->sp->gen2, fcport->rscn_gen|ea->sp->gen1,
1668             ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
1669
1670         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1671             (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
1672                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
1673                     "%s %d %8phC Remote is trying to login\n",
1674                     __func__, __LINE__, fcport->port_name);
1675                 return;
1676         }
1677
1678         if (fcport->disc_state == DSC_DELETE_PEND)
1679                 return;
1680
1681         if (ea->sp->gen2 != fcport->login_gen) {
1682                 /* target side must have changed it. */
1683                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1684                     "%s %8phC generation changed\n",
1685                     __func__, fcport->port_name);
1686                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1687                 return;
1688         } else if (ea->sp->gen1 != fcport->rscn_gen) {
1689                 ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
1690                     __func__, __LINE__, fcport->port_name);
1691                 qla24xx_post_gidpn_work(vha, fcport);
1692                 return;
1693         }
1694
1695         switch (ea->data[0]) {
1696         case MBS_COMMAND_COMPLETE:
1697                 /*
1698                  * Driver must validate login state - If PRLI not complete,
1699                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
1700                  * requests.
1701                  */
1702                 if (ea->fcport->fc4f_nvme) {
1703                         ql_dbg(ql_dbg_disc, vha, 0x2117,
1704                                 "%s %d %8phC post prli\n",
1705                                 __func__, __LINE__, ea->fcport->port_name);
1706                         qla24xx_post_prli_work(vha, ea->fcport);
1707                 } else {
1708                         ql_dbg(ql_dbg_disc, vha, 0x20ea,
1709                             "%s %d %8phC LoopID 0x%x in use with %06x. post gnl\n",
1710                             __func__, __LINE__, ea->fcport->port_name,
1711                             ea->fcport->loop_id, ea->fcport->d_id.b24);
1712
1713                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
1714                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1715                         ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1716                         ea->fcport->logout_on_delete = 1;
1717                         ea->fcport->send_els_logo = 0;
1718                         ea->fcport->fw_login_state = DSC_LS_PRLI_COMP;
1719                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1720
1721                         qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1722                 }
1723                 break;
1724         case MBS_COMMAND_ERROR:
1725                 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
1726                     __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
1727
1728                 ea->fcport->flags &= ~FCF_ASYNC_SENT;
1729                 ea->fcport->disc_state = DSC_LOGIN_FAILED;
1730                 if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED)
1731                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1732                 else
1733                         qla2x00_mark_device_lost(vha, ea->fcport, 1, 0);
1734                 break;
1735         case MBS_LOOP_ID_USED:
1736                 /* data[1] = IO PARAM 1 = nport ID  */
1737                 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
1738                 cid.b.area   = (ea->iop[1] >>  8) & 0xff;
1739                 cid.b.al_pa  = ea->iop[1] & 0xff;
1740                 cid.b.rsvd_1 = 0;
1741
1742                 ql_dbg(ql_dbg_disc, vha, 0x20ec,
1743                     "%s %d %8phC LoopID 0x%x in use post gnl\n",
1744                     __func__, __LINE__, ea->fcport->port_name,
1745                     ea->fcport->loop_id);
1746
1747                 if (IS_SW_RESV_ADDR(cid)) {
1748                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
1749                         ea->fcport->loop_id = FC_NO_LOOP_ID;
1750                 } else {
1751                         qla2x00_clear_loop_id(ea->fcport);
1752                 }
1753                 qla24xx_post_gnl_work(vha, ea->fcport);
1754                 break;
1755         case MBS_PORT_ID_USED:
1756                 ql_dbg(ql_dbg_disc, vha, 0x20ed,
1757                     "%s %d %8phC NPortId %02x%02x%02x inuse post gidpn\n",
1758                     __func__, __LINE__, ea->fcport->port_name,
1759                     ea->fcport->d_id.b.domain, ea->fcport->d_id.b.area,
1760                     ea->fcport->d_id.b.al_pa);
1761
1762                 lid = ea->iop[1] & 0xffff;
1763                 qlt_find_sess_invalidate_other(vha,
1764                     wwn_to_u64(ea->fcport->port_name),
1765                     ea->fcport->d_id, lid, &conflict_fcport);
1766
1767                 if (conflict_fcport) {
1768                         /*
1769                          * Another fcport share the same loop_id/nport id.
1770                          * Conflict fcport needs to finish cleanup before this
1771                          * fcport can proceed to login.
1772                          */
1773                         conflict_fcport->conflict = ea->fcport;
1774                         ea->fcport->login_pause = 1;
1775
1776                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
1777                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
1778                             __func__, __LINE__, ea->fcport->port_name,
1779                             ea->fcport->d_id.b24, lid);
1780                         qla2x00_clear_loop_id(ea->fcport);
1781                         qla24xx_post_gidpn_work(vha, ea->fcport);
1782                 } else {
1783                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
1784                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
1785                             __func__, __LINE__, ea->fcport->port_name,
1786                             ea->fcport->d_id.b24, lid);
1787
1788                         qla2x00_clear_loop_id(ea->fcport);
1789                         set_bit(lid, vha->hw->loop_id_map);
1790                         ea->fcport->loop_id = lid;
1791                         ea->fcport->keep_nport_handle = 0;
1792                         qlt_schedule_sess_for_deletion(ea->fcport);
1793                 }
1794                 break;
1795         }
1796         return;
1797 }
1798
1799 void
1800 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
1801     uint16_t *data)
1802 {
1803         qla2x00_mark_device_lost(vha, fcport, 1, 0);
1804         qlt_logo_completion_handler(fcport, data[0]);
1805         fcport->login_gen++;
1806         fcport->flags &= ~FCF_ASYNC_ACTIVE;
1807         return;
1808 }
1809
1810 void
1811 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
1812     uint16_t *data)
1813 {
1814         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1815         if (data[0] == MBS_COMMAND_COMPLETE) {
1816                 qla2x00_update_fcport(vha, fcport);
1817
1818                 return;
1819         }
1820
1821         /* Retry login. */
1822         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
1823                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1824         else
1825                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1826
1827         return;
1828 }
1829
1830 /****************************************************************************/
1831 /*                QLogic ISP2x00 Hardware Support Functions.                */
1832 /****************************************************************************/
1833
1834 static int
1835 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
1836 {
1837         int rval = QLA_SUCCESS;
1838         struct qla_hw_data *ha = vha->hw;
1839         uint32_t idc_major_ver, idc_minor_ver;
1840         uint16_t config[4];
1841
1842         qla83xx_idc_lock(vha, 0);
1843
1844         /* SV: TODO: Assign initialization timeout from
1845          * flash-info / other param
1846          */
1847         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
1848         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
1849
1850         /* Set our fcoe function presence */
1851         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
1852                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
1853                     "Error while setting DRV-Presence.\n");
1854                 rval = QLA_FUNCTION_FAILED;
1855                 goto exit;
1856         }
1857
1858         /* Decide the reset ownership */
1859         qla83xx_reset_ownership(vha);
1860
1861         /*
1862          * On first protocol driver load:
1863          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
1864          * register.
1865          * Others: Check compatibility with current IDC Major version.
1866          */
1867         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
1868         if (ha->flags.nic_core_reset_owner) {
1869                 /* Set IDC Major version */
1870                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
1871                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
1872
1873                 /* Clearing IDC-Lock-Recovery register */
1874                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
1875         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
1876                 /*
1877                  * Clear further IDC participation if we are not compatible with
1878                  * the current IDC Major Version.
1879                  */
1880                 ql_log(ql_log_warn, vha, 0xb07d,
1881                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
1882                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
1883                 __qla83xx_clear_drv_presence(vha);
1884                 rval = QLA_FUNCTION_FAILED;
1885                 goto exit;
1886         }
1887         /* Each function sets its supported Minor version. */
1888         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
1889         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
1890         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
1891
1892         if (ha->flags.nic_core_reset_owner) {
1893                 memset(config, 0, sizeof(config));
1894                 if (!qla81xx_get_port_config(vha, config))
1895                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
1896                             QLA8XXX_DEV_READY);
1897         }
1898
1899         rval = qla83xx_idc_state_handler(vha);
1900
1901 exit:
1902         qla83xx_idc_unlock(vha, 0);
1903
1904         return rval;
1905 }
1906
1907 /*
1908 * qla2x00_initialize_adapter
1909 *      Initialize board.
1910 *
1911 * Input:
1912 *      ha = adapter block pointer.
1913 *
1914 * Returns:
1915 *      0 = success
1916 */
1917 int
1918 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
1919 {
1920         int     rval;
1921         struct qla_hw_data *ha = vha->hw;
1922         struct req_que *req = ha->req_q_map[0];
1923
1924         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
1925         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1926
1927         /* Clear adapter flags. */
1928         vha->flags.online = 0;
1929         ha->flags.chip_reset_done = 0;
1930         vha->flags.reset_active = 0;
1931         ha->flags.pci_channel_io_perm_failure = 0;
1932         ha->flags.eeh_busy = 0;
1933         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1934         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1935         atomic_set(&vha->loop_state, LOOP_DOWN);
1936         vha->device_flags = DFLG_NO_CABLE;
1937         vha->dpc_flags = 0;
1938         vha->flags.management_server_logged_in = 0;
1939         vha->marker_needed = 0;
1940         ha->isp_abort_cnt = 0;
1941         ha->beacon_blink_led = 0;
1942
1943         set_bit(0, ha->req_qid_map);
1944         set_bit(0, ha->rsp_qid_map);
1945
1946         ql_dbg(ql_dbg_init, vha, 0x0040,
1947             "Configuring PCI space...\n");
1948         rval = ha->isp_ops->pci_config(vha);
1949         if (rval) {
1950                 ql_log(ql_log_warn, vha, 0x0044,
1951                     "Unable to configure PCI space.\n");
1952                 return (rval);
1953         }
1954
1955         ha->isp_ops->reset_chip(vha);
1956
1957         rval = qla2xxx_get_flash_info(vha);
1958         if (rval) {
1959                 ql_log(ql_log_fatal, vha, 0x004f,
1960                     "Unable to validate FLASH data.\n");
1961                 return rval;
1962         }
1963
1964         if (IS_QLA8044(ha)) {
1965                 qla8044_read_reset_template(vha);
1966
1967                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
1968                  * If DONRESET_BIT0 is set, drivers should not set dev_state
1969                  * to NEED_RESET. But if NEED_RESET is set, drivers should
1970                  * should honor the reset. */
1971                 if (ql2xdontresethba == 1)
1972                         qla8044_set_idc_dontreset(vha);
1973         }
1974
1975         ha->isp_ops->get_flash_version(vha, req->ring);
1976         ql_dbg(ql_dbg_init, vha, 0x0061,
1977             "Configure NVRAM parameters...\n");
1978
1979         ha->isp_ops->nvram_config(vha);
1980
1981         if (ha->flags.disable_serdes) {
1982                 /* Mask HBA via NVRAM settings? */
1983                 ql_log(ql_log_info, vha, 0x0077,
1984                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
1985                 return QLA_FUNCTION_FAILED;
1986         }
1987
1988         ql_dbg(ql_dbg_init, vha, 0x0078,
1989             "Verifying loaded RISC code...\n");
1990
1991         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
1992                 rval = ha->isp_ops->chip_diag(vha);
1993                 if (rval)
1994                         return (rval);
1995                 rval = qla2x00_setup_chip(vha);
1996                 if (rval)
1997                         return (rval);
1998         }
1999
2000         if (IS_QLA84XX(ha)) {
2001                 ha->cs84xx = qla84xx_get_chip(vha);
2002                 if (!ha->cs84xx) {
2003                         ql_log(ql_log_warn, vha, 0x00d0,
2004                             "Unable to configure ISP84XX.\n");
2005                         return QLA_FUNCTION_FAILED;
2006                 }
2007         }
2008
2009         if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2010                 rval = qla2x00_init_rings(vha);
2011
2012         ha->flags.chip_reset_done = 1;
2013
2014         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2015                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
2016                 rval = qla84xx_init_chip(vha);
2017                 if (rval != QLA_SUCCESS) {
2018                         ql_log(ql_log_warn, vha, 0x00d4,
2019                             "Unable to initialize ISP84XX.\n");
2020                         qla84xx_put_chip(vha);
2021                 }
2022         }
2023
2024         /* Load the NIC Core f/w if we are the first protocol driver. */
2025         if (IS_QLA8031(ha)) {
2026                 rval = qla83xx_nic_core_fw_load(vha);
2027                 if (rval)
2028                         ql_log(ql_log_warn, vha, 0x0124,
2029                             "Error in initializing NIC Core f/w.\n");
2030         }
2031
2032         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
2033                 qla24xx_read_fcp_prio_cfg(vha);
2034
2035         if (IS_P3P_TYPE(ha))
2036                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
2037         else
2038                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
2039
2040         return (rval);
2041 }
2042
2043 /**
2044  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2045  * @vha: HA context
2046  *
2047  * Returns 0 on success.
2048  */
2049 int
2050 qla2100_pci_config(scsi_qla_host_t *vha)
2051 {
2052         uint16_t w;
2053         unsigned long flags;
2054         struct qla_hw_data *ha = vha->hw;
2055         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2056
2057         pci_set_master(ha->pdev);
2058         pci_try_set_mwi(ha->pdev);
2059
2060         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2061         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2062         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2063
2064         pci_disable_rom(ha->pdev);
2065
2066         /* Get PCI bus information. */
2067         spin_lock_irqsave(&ha->hardware_lock, flags);
2068         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
2069         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2070
2071         return QLA_SUCCESS;
2072 }
2073
2074 /**
2075  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2076  * @vha: HA context
2077  *
2078  * Returns 0 on success.
2079  */
2080 int
2081 qla2300_pci_config(scsi_qla_host_t *vha)
2082 {
2083         uint16_t        w;
2084         unsigned long   flags = 0;
2085         uint32_t        cnt;
2086         struct qla_hw_data *ha = vha->hw;
2087         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2088
2089         pci_set_master(ha->pdev);
2090         pci_try_set_mwi(ha->pdev);
2091
2092         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2093         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2094
2095         if (IS_QLA2322(ha) || IS_QLA6322(ha))
2096                 w &= ~PCI_COMMAND_INTX_DISABLE;
2097         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2098
2099         /*
2100          * If this is a 2300 card and not 2312, reset the
2101          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
2102          * the 2310 also reports itself as a 2300 so we need to get the
2103          * fb revision level -- a 6 indicates it really is a 2300 and
2104          * not a 2310.
2105          */
2106         if (IS_QLA2300(ha)) {
2107                 spin_lock_irqsave(&ha->hardware_lock, flags);
2108
2109                 /* Pause RISC. */
2110                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2111                 for (cnt = 0; cnt < 30000; cnt++) {
2112                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2113                                 break;
2114
2115                         udelay(10);
2116                 }
2117
2118                 /* Select FPM registers. */
2119                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
2120                 RD_REG_WORD(&reg->ctrl_status);
2121
2122                 /* Get the fb rev level */
2123                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2124
2125                 if (ha->fb_rev == FPM_2300)
2126                         pci_clear_mwi(ha->pdev);
2127
2128                 /* Deselect FPM registers. */
2129                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
2130                 RD_REG_WORD(&reg->ctrl_status);
2131
2132                 /* Release RISC module. */
2133                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2134                 for (cnt = 0; cnt < 30000; cnt++) {
2135                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2136                                 break;
2137
2138                         udelay(10);
2139                 }
2140
2141                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2142         }
2143
2144         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2145
2146         pci_disable_rom(ha->pdev);
2147
2148         /* Get PCI bus information. */
2149         spin_lock_irqsave(&ha->hardware_lock, flags);
2150         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
2151         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2152
2153         return QLA_SUCCESS;
2154 }
2155
2156 /**
2157  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2158  * @vha: HA context
2159  *
2160  * Returns 0 on success.
2161  */
2162 int
2163 qla24xx_pci_config(scsi_qla_host_t *vha)
2164 {
2165         uint16_t w;
2166         unsigned long flags = 0;
2167         struct qla_hw_data *ha = vha->hw;
2168         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2169
2170         pci_set_master(ha->pdev);
2171         pci_try_set_mwi(ha->pdev);
2172
2173         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2174         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2175         w &= ~PCI_COMMAND_INTX_DISABLE;
2176         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2177
2178         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2179
2180         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
2181         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
2182                 pcix_set_mmrbc(ha->pdev, 2048);
2183
2184         /* PCIe -- adjust Maximum Read Request Size (2048). */
2185         if (pci_is_pcie(ha->pdev))
2186                 pcie_set_readrq(ha->pdev, 4096);
2187
2188         pci_disable_rom(ha->pdev);
2189
2190         ha->chip_revision = ha->pdev->revision;
2191
2192         /* Get PCI bus information. */
2193         spin_lock_irqsave(&ha->hardware_lock, flags);
2194         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
2195         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2196
2197         return QLA_SUCCESS;
2198 }
2199
2200 /**
2201  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
2202  * @vha: HA context
2203  *
2204  * Returns 0 on success.
2205  */
2206 int
2207 qla25xx_pci_config(scsi_qla_host_t *vha)
2208 {
2209         uint16_t w;
2210         struct qla_hw_data *ha = vha->hw;
2211
2212         pci_set_master(ha->pdev);
2213         pci_try_set_mwi(ha->pdev);
2214
2215         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2216         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2217         w &= ~PCI_COMMAND_INTX_DISABLE;
2218         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2219
2220         /* PCIe -- adjust Maximum Read Request Size (2048). */
2221         if (pci_is_pcie(ha->pdev))
2222                 pcie_set_readrq(ha->pdev, 4096);
2223
2224         pci_disable_rom(ha->pdev);
2225
2226         ha->chip_revision = ha->pdev->revision;
2227
2228         return QLA_SUCCESS;
2229 }
2230
2231 /**
2232  * qla2x00_isp_firmware() - Choose firmware image.
2233  * @vha: HA context
2234  *
2235  * Returns 0 on success.
2236  */
2237 static int
2238 qla2x00_isp_firmware(scsi_qla_host_t *vha)
2239 {
2240         int  rval;
2241         uint16_t loop_id, topo, sw_cap;
2242         uint8_t domain, area, al_pa;
2243         struct qla_hw_data *ha = vha->hw;
2244
2245         /* Assume loading risc code */
2246         rval = QLA_FUNCTION_FAILED;
2247
2248         if (ha->flags.disable_risc_code_load) {
2249                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
2250
2251                 /* Verify checksum of loaded RISC code. */
2252                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
2253                 if (rval == QLA_SUCCESS) {
2254                         /* And, verify we are not in ROM code. */
2255                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2256                             &area, &domain, &topo, &sw_cap);
2257                 }
2258         }
2259
2260         if (rval)
2261                 ql_dbg(ql_dbg_init, vha, 0x007a,
2262                     "**** Load RISC code ****.\n");
2263
2264         return (rval);
2265 }
2266
2267 /**
2268  * qla2x00_reset_chip() - Reset ISP chip.
2269  * @vha: HA context
2270  *
2271  * Returns 0 on success.
2272  */
2273 void
2274 qla2x00_reset_chip(scsi_qla_host_t *vha)
2275 {
2276         unsigned long   flags = 0;
2277         struct qla_hw_data *ha = vha->hw;
2278         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2279         uint32_t        cnt;
2280         uint16_t        cmd;
2281
2282         if (unlikely(pci_channel_offline(ha->pdev)))
2283                 return;
2284
2285         ha->isp_ops->disable_intrs(ha);
2286
2287         spin_lock_irqsave(&ha->hardware_lock, flags);
2288
2289         /* Turn off master enable */
2290         cmd = 0;
2291         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
2292         cmd &= ~PCI_COMMAND_MASTER;
2293         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2294
2295         if (!IS_QLA2100(ha)) {
2296                 /* Pause RISC. */
2297                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2298                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
2299                         for (cnt = 0; cnt < 30000; cnt++) {
2300                                 if ((RD_REG_WORD(&reg->hccr) &
2301                                     HCCR_RISC_PAUSE) != 0)
2302                                         break;
2303                                 udelay(100);
2304                         }
2305                 } else {
2306                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
2307                         udelay(10);
2308                 }
2309
2310                 /* Select FPM registers. */
2311                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
2312                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2313
2314                 /* FPM Soft Reset. */
2315                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
2316                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
2317
2318                 /* Toggle Fpm Reset. */
2319                 if (!IS_QLA2200(ha)) {
2320                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
2321                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
2322                 }
2323
2324                 /* Select frame buffer registers. */
2325                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
2326                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2327
2328                 /* Reset frame buffer FIFOs. */
2329                 if (IS_QLA2200(ha)) {
2330                         WRT_FB_CMD_REG(ha, reg, 0xa000);
2331                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
2332                 } else {
2333                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
2334
2335                         /* Read back fb_cmd until zero or 3 seconds max */
2336                         for (cnt = 0; cnt < 3000; cnt++) {
2337                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
2338                                         break;
2339                                 udelay(100);
2340                         }
2341                 }
2342
2343                 /* Select RISC module registers. */
2344                 WRT_REG_WORD(&reg->ctrl_status, 0);
2345                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2346
2347                 /* Reset RISC processor. */
2348                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2349                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2350
2351                 /* Release RISC processor. */
2352                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2353                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2354         }
2355
2356         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
2357         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
2358
2359         /* Reset ISP chip. */
2360         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2361
2362         /* Wait for RISC to recover from reset. */
2363         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2364                 /*
2365                  * It is necessary to for a delay here since the card doesn't
2366                  * respond to PCI reads during a reset. On some architectures
2367                  * this will result in an MCA.
2368                  */
2369                 udelay(20);
2370                 for (cnt = 30000; cnt; cnt--) {
2371                         if ((RD_REG_WORD(&reg->ctrl_status) &
2372                             CSR_ISP_SOFT_RESET) == 0)
2373                                 break;
2374                         udelay(100);
2375                 }
2376         } else
2377                 udelay(10);
2378
2379         /* Reset RISC processor. */
2380         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2381
2382         WRT_REG_WORD(&reg->semaphore, 0);
2383
2384         /* Release RISC processor. */
2385         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2386         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
2387
2388         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2389                 for (cnt = 0; cnt < 30000; cnt++) {
2390                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
2391                                 break;
2392
2393                         udelay(100);
2394                 }
2395         } else
2396                 udelay(100);
2397
2398         /* Turn on master enable */
2399         cmd |= PCI_COMMAND_MASTER;
2400         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2401
2402         /* Disable RISC pause on FPM parity error. */
2403         if (!IS_QLA2100(ha)) {
2404                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
2405                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2406         }
2407
2408         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2409 }
2410
2411 /**
2412  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2413  * @vha: HA context
2414  *
2415  * Returns 0 on success.
2416  */
2417 static int
2418 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2419 {
2420         uint16_t mb[4] = {0x1010, 0, 1, 0};
2421
2422         if (!IS_QLA81XX(vha->hw))
2423                 return QLA_SUCCESS;
2424
2425         return qla81xx_write_mpi_register(vha, mb);
2426 }
2427
2428 /**
2429  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2430  * @vha: HA context
2431  *
2432  * Returns 0 on success.
2433  */
2434 static inline int
2435 qla24xx_reset_risc(scsi_qla_host_t *vha)
2436 {
2437         unsigned long flags = 0;
2438         struct qla_hw_data *ha = vha->hw;
2439         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2440         uint32_t cnt;
2441         uint16_t wd;
2442         static int abts_cnt; /* ISP abort retry counts */
2443         int rval = QLA_SUCCESS;
2444
2445         spin_lock_irqsave(&ha->hardware_lock, flags);
2446
2447         /* Reset RISC. */
2448         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2449         for (cnt = 0; cnt < 30000; cnt++) {
2450                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
2451                         break;
2452
2453                 udelay(10);
2454         }
2455
2456         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
2457                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
2458
2459         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
2460             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
2461             RD_REG_DWORD(&reg->hccr),
2462             RD_REG_DWORD(&reg->ctrl_status),
2463             (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
2464
2465         WRT_REG_DWORD(&reg->ctrl_status,
2466             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2467         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2468
2469         udelay(100);
2470
2471         /* Wait for firmware to complete NVRAM accesses. */
2472         RD_REG_WORD(&reg->mailbox0);
2473         for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
2474             rval == QLA_SUCCESS; cnt--) {
2475                 barrier();
2476                 if (cnt)
2477                         udelay(5);
2478                 else
2479                         rval = QLA_FUNCTION_TIMEOUT;
2480         }
2481
2482         if (rval == QLA_SUCCESS)
2483                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
2484
2485         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
2486             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
2487             RD_REG_DWORD(&reg->hccr),
2488             RD_REG_DWORD(&reg->mailbox0));
2489
2490         /* Wait for soft-reset to complete. */
2491         RD_REG_DWORD(&reg->ctrl_status);
2492         for (cnt = 0; cnt < 60; cnt++) {
2493                 barrier();
2494                 if ((RD_REG_DWORD(&reg->ctrl_status) &
2495                     CSRX_ISP_SOFT_RESET) == 0)
2496                         break;
2497
2498                 udelay(5);
2499         }
2500         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
2501                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
2502
2503         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
2504             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
2505             RD_REG_DWORD(&reg->hccr),
2506             RD_REG_DWORD(&reg->ctrl_status));
2507
2508         /* If required, do an MPI FW reset now */
2509         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
2510                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
2511                         if (++abts_cnt < 5) {
2512                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2513                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
2514                         } else {
2515                                 /*
2516                                  * We exhausted the ISP abort retries. We have to
2517                                  * set the board offline.
2518                                  */
2519                                 abts_cnt = 0;
2520                                 vha->flags.online = 0;
2521                         }
2522                 }
2523         }
2524
2525         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
2526         RD_REG_DWORD(&reg->hccr);
2527
2528         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2529         RD_REG_DWORD(&reg->hccr);
2530
2531         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
2532         RD_REG_DWORD(&reg->hccr);
2533
2534         RD_REG_WORD(&reg->mailbox0);
2535         for (cnt = 60; RD_REG_WORD(&reg->mailbox0) != 0 &&
2536             rval == QLA_SUCCESS; cnt--) {
2537                 barrier();
2538                 if (cnt)
2539                         udelay(5);
2540                 else
2541                         rval = QLA_FUNCTION_TIMEOUT;
2542         }
2543         if (rval == QLA_SUCCESS)
2544                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2545
2546         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
2547             "Host Risc 0x%x, mailbox0 0x%x\n",
2548             RD_REG_DWORD(&reg->hccr),
2549              RD_REG_WORD(&reg->mailbox0));
2550
2551         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2552
2553         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
2554             "Driver in %s mode\n",
2555             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
2556
2557         if (IS_NOPOLLING_TYPE(ha))
2558                 ha->isp_ops->enable_intrs(ha);
2559
2560         return rval;
2561 }
2562
2563 static void
2564 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
2565 {
2566         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2567
2568         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2569         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
2570
2571 }
2572
2573 static void
2574 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
2575 {
2576         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2577
2578         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2579         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
2580 }
2581
2582 static void
2583 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
2584 {
2585         uint32_t wd32 = 0;
2586         uint delta_msec = 100;
2587         uint elapsed_msec = 0;
2588         uint timeout_msec;
2589         ulong n;
2590
2591         if (vha->hw->pdev->subsystem_device != 0x0175 &&
2592             vha->hw->pdev->subsystem_device != 0x0240)
2593                 return;
2594
2595         WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
2596         udelay(100);
2597
2598 attempt:
2599         timeout_msec = TIMEOUT_SEMAPHORE;
2600         n = timeout_msec / delta_msec;
2601         while (n--) {
2602                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
2603                 qla25xx_read_risc_sema_reg(vha, &wd32);
2604                 if (wd32 & RISC_SEMAPHORE)
2605                         break;
2606                 msleep(delta_msec);
2607                 elapsed_msec += delta_msec;
2608                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2609                         goto force;
2610         }
2611
2612         if (!(wd32 & RISC_SEMAPHORE))
2613                 goto force;
2614
2615         if (!(wd32 & RISC_SEMAPHORE_FORCE))
2616                 goto acquired;
2617
2618         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
2619         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
2620         n = timeout_msec / delta_msec;
2621         while (n--) {
2622                 qla25xx_read_risc_sema_reg(vha, &wd32);
2623                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
2624                         break;
2625                 msleep(delta_msec);
2626                 elapsed_msec += delta_msec;
2627                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2628                         goto force;
2629         }
2630
2631         if (wd32 & RISC_SEMAPHORE_FORCE)
2632                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
2633
2634         goto attempt;
2635
2636 force:
2637         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
2638
2639 acquired:
2640         return;
2641 }
2642
2643 /**
2644  * qla24xx_reset_chip() - Reset ISP24xx chip.
2645  * @vha: HA context
2646  *
2647  * Returns 0 on success.
2648  */
2649 void
2650 qla24xx_reset_chip(scsi_qla_host_t *vha)
2651 {
2652         struct qla_hw_data *ha = vha->hw;
2653
2654         if (pci_channel_offline(ha->pdev) &&
2655             ha->flags.pci_channel_io_perm_failure) {
2656                 return;
2657         }
2658
2659         ha->isp_ops->disable_intrs(ha);
2660
2661         qla25xx_manipulate_risc_semaphore(vha);
2662
2663         /* Perform RISC reset. */
2664         qla24xx_reset_risc(vha);
2665 }
2666
2667 /**
2668  * qla2x00_chip_diag() - Test chip for proper operation.
2669  * @vha: HA context
2670  *
2671  * Returns 0 on success.
2672  */
2673 int
2674 qla2x00_chip_diag(scsi_qla_host_t *vha)
2675 {
2676         int             rval;
2677         struct qla_hw_data *ha = vha->hw;
2678         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2679         unsigned long   flags = 0;
2680         uint16_t        data;
2681         uint32_t        cnt;
2682         uint16_t        mb[5];
2683         struct req_que *req = ha->req_q_map[0];
2684
2685         /* Assume a failed state */
2686         rval = QLA_FUNCTION_FAILED;
2687
2688         ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
2689                &reg->flash_address);
2690
2691         spin_lock_irqsave(&ha->hardware_lock, flags);
2692
2693         /* Reset ISP chip. */
2694         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2695
2696         /*
2697          * We need to have a delay here since the card will not respond while
2698          * in reset causing an MCA on some architectures.
2699          */
2700         udelay(20);
2701         data = qla2x00_debounce_register(&reg->ctrl_status);
2702         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
2703                 udelay(5);
2704                 data = RD_REG_WORD(&reg->ctrl_status);
2705                 barrier();
2706         }
2707
2708         if (!cnt)
2709                 goto chip_diag_failed;
2710
2711         ql_dbg(ql_dbg_init, vha, 0x007c,
2712             "Reset register cleared by chip reset.\n");
2713
2714         /* Reset RISC processor. */
2715         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2716         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2717
2718         /* Workaround for QLA2312 PCI parity error */
2719         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2720                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
2721                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
2722                         udelay(5);
2723                         data = RD_MAILBOX_REG(ha, reg, 0);
2724                         barrier();
2725                 }
2726         } else
2727                 udelay(10);
2728
2729         if (!cnt)
2730                 goto chip_diag_failed;
2731
2732         /* Check product ID of chip */
2733         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
2734
2735         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
2736         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
2737         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
2738         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
2739         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
2740             mb[3] != PROD_ID_3) {
2741                 ql_log(ql_log_warn, vha, 0x0062,
2742                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
2743                     mb[1], mb[2], mb[3]);
2744
2745                 goto chip_diag_failed;
2746         }
2747         ha->product_id[0] = mb[1];
2748         ha->product_id[1] = mb[2];
2749         ha->product_id[2] = mb[3];
2750         ha->product_id[3] = mb[4];
2751
2752         /* Adjust fw RISC transfer size */
2753         if (req->length > 1024)
2754                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
2755         else
2756                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
2757                     req->length;
2758
2759         if (IS_QLA2200(ha) &&
2760             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
2761                 /* Limit firmware transfer size with a 2200A */
2762                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
2763
2764                 ha->device_type |= DT_ISP2200A;
2765                 ha->fw_transfer_size = 128;
2766         }
2767
2768         /* Wrap Incoming Mailboxes Test. */
2769         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2770
2771         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
2772         rval = qla2x00_mbx_reg_test(vha);
2773         if (rval)
2774                 ql_log(ql_log_warn, vha, 0x0080,
2775                     "Failed mailbox send register test.\n");
2776         else
2777                 /* Flag a successful rval */
2778                 rval = QLA_SUCCESS;
2779         spin_lock_irqsave(&ha->hardware_lock, flags);
2780
2781 chip_diag_failed:
2782         if (rval)
2783                 ql_log(ql_log_info, vha, 0x0081,
2784                     "Chip diagnostics **** FAILED ****.\n");
2785
2786         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2787
2788         return (rval);
2789 }
2790
2791 /**
2792  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
2793  * @vha: HA context
2794  *
2795  * Returns 0 on success.
2796  */
2797 int
2798 qla24xx_chip_diag(scsi_qla_host_t *vha)
2799 {
2800         int rval;
2801         struct qla_hw_data *ha = vha->hw;
2802         struct req_que *req = ha->req_q_map[0];
2803
2804         if (IS_P3P_TYPE(ha))
2805                 return QLA_SUCCESS;
2806
2807         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
2808
2809         rval = qla2x00_mbx_reg_test(vha);
2810         if (rval) {
2811                 ql_log(ql_log_warn, vha, 0x0082,
2812                     "Failed mailbox send register test.\n");
2813         } else {
2814                 /* Flag a successful rval */
2815                 rval = QLA_SUCCESS;
2816         }
2817
2818         return rval;
2819 }
2820
2821 static void
2822 qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
2823 {
2824         int rval;
2825         dma_addr_t tc_dma;
2826         void *tc;
2827         struct qla_hw_data *ha = vha->hw;
2828
2829         if (ha->eft) {
2830                 ql_dbg(ql_dbg_init, vha, 0x00bd,
2831                     "%s: Offload Mem is already allocated.\n",
2832                     __func__);
2833                 return;
2834         }
2835
2836         if (IS_FWI2_CAPABLE(ha)) {
2837                 /* Allocate memory for Fibre Channel Event Buffer. */
2838                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2839                     !IS_QLA27XX(ha))
2840                         goto try_eft;
2841
2842                 if (ha->fce)
2843                         dma_free_coherent(&ha->pdev->dev,
2844                             FCE_SIZE, ha->fce, ha->fce_dma);
2845
2846                 /* Allocate memory for Fibre Channel Event Buffer. */
2847                 tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
2848                                          GFP_KERNEL);
2849                 if (!tc) {
2850                         ql_log(ql_log_warn, vha, 0x00be,
2851                             "Unable to allocate (%d KB) for FCE.\n",
2852                             FCE_SIZE / 1024);
2853                         goto try_eft;
2854                 }
2855
2856                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
2857                     ha->fce_mb, &ha->fce_bufs);
2858                 if (rval) {
2859                         ql_log(ql_log_warn, vha, 0x00bf,
2860                             "Unable to initialize FCE (%d).\n", rval);
2861                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
2862                             tc_dma);
2863                         ha->flags.fce_enabled = 0;
2864                         goto try_eft;
2865                 }
2866                 ql_dbg(ql_dbg_init, vha, 0x00c0,
2867                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
2868
2869                 ha->flags.fce_enabled = 1;
2870                 ha->fce_dma = tc_dma;
2871                 ha->fce = tc;
2872
2873 try_eft:
2874                 if (ha->eft)
2875                         dma_free_coherent(&ha->pdev->dev,
2876                             EFT_SIZE, ha->eft, ha->eft_dma);
2877
2878                 /* Allocate memory for Extended Trace Buffer. */
2879                 tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
2880                                          GFP_KERNEL);
2881                 if (!tc) {
2882                         ql_log(ql_log_warn, vha, 0x00c1,
2883                             "Unable to allocate (%d KB) for EFT.\n",
2884                             EFT_SIZE / 1024);
2885                         goto eft_err;
2886                 }
2887
2888                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
2889                 if (rval) {
2890                         ql_log(ql_log_warn, vha, 0x00c2,
2891                             "Unable to initialize EFT (%d).\n", rval);
2892                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
2893                             tc_dma);
2894                         goto eft_err;
2895                 }
2896                 ql_dbg(ql_dbg_init, vha, 0x00c3,
2897                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
2898
2899                 ha->eft_dma = tc_dma;
2900                 ha->eft = tc;
2901         }
2902
2903 eft_err:
2904         return;
2905 }
2906
2907 void
2908 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
2909 {
2910         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
2911             eft_size, fce_size, mq_size;
2912         struct qla_hw_data *ha = vha->hw;
2913         struct req_que *req = ha->req_q_map[0];
2914         struct rsp_que *rsp = ha->rsp_q_map[0];
2915         struct qla2xxx_fw_dump *fw_dump;
2916
2917         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
2918         req_q_size = rsp_q_size = 0;
2919
2920         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2921                 fixed_size = sizeof(struct qla2100_fw_dump);
2922         } else if (IS_QLA23XX(ha)) {
2923                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
2924                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
2925                     sizeof(uint16_t);
2926         } else if (IS_FWI2_CAPABLE(ha)) {
2927                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
2928                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
2929                 else if (IS_QLA81XX(ha))
2930                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
2931                 else if (IS_QLA25XX(ha))
2932                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
2933                 else
2934                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
2935
2936                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
2937                     sizeof(uint32_t);
2938                 if (ha->mqenable) {
2939                         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
2940                                 mq_size = sizeof(struct qla2xxx_mq_chain);
2941                         /*
2942                          * Allocate maximum buffer size for all queues.
2943                          * Resizing must be done at end-of-dump processing.
2944                          */
2945                         mq_size += ha->max_req_queues *
2946                             (req->length * sizeof(request_t));
2947                         mq_size += ha->max_rsp_queues *
2948                             (rsp->length * sizeof(response_t));
2949                 }
2950                 if (ha->tgt.atio_ring)
2951                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
2952                 /* Allocate memory for Fibre Channel Event Buffer. */
2953                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2954                     !IS_QLA27XX(ha))
2955                         goto try_eft;
2956
2957                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
2958 try_eft:
2959                 ql_dbg(ql_dbg_init, vha, 0x00c3,
2960                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
2961                 eft_size = EFT_SIZE;
2962         }
2963
2964         if (IS_QLA27XX(ha)) {
2965                 if (!ha->fw_dump_template) {
2966                         ql_log(ql_log_warn, vha, 0x00ba,
2967                             "Failed missing fwdump template\n");
2968                         return;
2969                 }
2970                 dump_size = qla27xx_fwdt_calculate_dump_size(vha);
2971                 ql_dbg(ql_dbg_init, vha, 0x00fa,
2972                     "-> allocating fwdump (%x bytes)...\n", dump_size);
2973                 goto allocate;
2974         }
2975
2976         req_q_size = req->length * sizeof(request_t);
2977         rsp_q_size = rsp->length * sizeof(response_t);
2978         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
2979         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
2980         ha->chain_offset = dump_size;
2981         dump_size += mq_size + fce_size;
2982
2983         if (ha->exchoffld_buf)
2984                 dump_size += sizeof(struct qla2xxx_offld_chain) +
2985                         ha->exchoffld_size;
2986         if (ha->exlogin_buf)
2987                 dump_size += sizeof(struct qla2xxx_offld_chain) +
2988                         ha->exlogin_size;
2989
2990 allocate:
2991         if (!ha->fw_dump_len || dump_size != ha->fw_dump_len) {
2992                 fw_dump = vmalloc(dump_size);
2993                 if (!fw_dump) {
2994                         ql_log(ql_log_warn, vha, 0x00c4,
2995                             "Unable to allocate (%d KB) for firmware dump.\n",
2996                             dump_size / 1024);
2997                 } else {
2998                         if (ha->fw_dump)
2999                                 vfree(ha->fw_dump);
3000                         ha->fw_dump = fw_dump;
3001
3002                         ha->fw_dump_len = dump_size;
3003                         ql_dbg(ql_dbg_init, vha, 0x00c5,
3004                             "Allocated (%d KB) for firmware dump.\n",
3005                             dump_size / 1024);
3006
3007                         if (IS_QLA27XX(ha))
3008                                 return;
3009
3010                         ha->fw_dump->signature[0] = 'Q';
3011                         ha->fw_dump->signature[1] = 'L';
3012                         ha->fw_dump->signature[2] = 'G';
3013                         ha->fw_dump->signature[3] = 'C';
3014                         ha->fw_dump->version = htonl(1);
3015
3016                         ha->fw_dump->fixed_size = htonl(fixed_size);
3017                         ha->fw_dump->mem_size = htonl(mem_size);
3018                         ha->fw_dump->req_q_size = htonl(req_q_size);
3019                         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3020
3021                         ha->fw_dump->eft_size = htonl(eft_size);
3022                         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
3023                         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
3024
3025                         ha->fw_dump->header_size =
3026                                 htonl(offsetof(struct qla2xxx_fw_dump, isp));
3027                 }
3028         }
3029 }
3030
3031 static int
3032 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3033 {
3034 #define MPS_MASK        0xe0
3035         int rval;
3036         uint16_t dc;
3037         uint32_t dw;
3038
3039         if (!IS_QLA81XX(vha->hw))
3040                 return QLA_SUCCESS;
3041
3042         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3043         if (rval != QLA_SUCCESS) {
3044                 ql_log(ql_log_warn, vha, 0x0105,
3045                     "Unable to acquire semaphore.\n");
3046                 goto done;
3047         }
3048
3049         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3050         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3051         if (rval != QLA_SUCCESS) {
3052                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3053                 goto done_release;
3054         }
3055
3056         dc &= MPS_MASK;
3057         if (dc == (dw & MPS_MASK))
3058                 goto done_release;
3059
3060         dw &= ~MPS_MASK;
3061         dw |= dc;
3062         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3063         if (rval != QLA_SUCCESS) {
3064                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3065         }
3066
3067 done_release:
3068         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3069         if (rval != QLA_SUCCESS) {
3070                 ql_log(ql_log_warn, vha, 0x006d,
3071                     "Unable to release semaphore.\n");
3072         }
3073
3074 done:
3075         return rval;
3076 }
3077
3078 int
3079 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3080 {
3081         /* Don't try to reallocate the array */
3082         if (req->outstanding_cmds)
3083                 return QLA_SUCCESS;
3084
3085         if (!IS_FWI2_CAPABLE(ha))
3086                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
3087         else {
3088                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
3089                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3090                 else
3091                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3092         }
3093
3094         req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3095                                         sizeof(srb_t *),
3096                                         GFP_KERNEL);
3097
3098         if (!req->outstanding_cmds) {
3099                 /*
3100                  * Try to allocate a minimal size just so we can get through
3101                  * initialization.
3102                  */
3103                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3104                 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3105                                                 sizeof(srb_t *),
3106                                                 GFP_KERNEL);
3107
3108                 if (!req->outstanding_cmds) {
3109                         ql_log(ql_log_fatal, NULL, 0x0126,
3110                             "Failed to allocate memory for "
3111                             "outstanding_cmds for req_que %p.\n", req);
3112                         req->num_outstanding_cmds = 0;
3113                         return QLA_FUNCTION_FAILED;
3114                 }
3115         }
3116
3117         return QLA_SUCCESS;
3118 }
3119
3120 #define PRINT_FIELD(_field, _flag, _str) {              \
3121         if (a0->_field & _flag) {\
3122                 if (p) {\
3123                         strcat(ptr, "|");\
3124                         ptr++;\
3125                         leftover--;\
3126                 } \
3127                 len = snprintf(ptr, leftover, "%s", _str);      \
3128                 p = 1;\
3129                 leftover -= len;\
3130                 ptr += len; \
3131         } \
3132 }
3133
3134 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
3135 {
3136 #define STR_LEN 64
3137         struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
3138         u8 str[STR_LEN], *ptr, p;
3139         int leftover, len;
3140
3141         memset(str, 0, STR_LEN);
3142         snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
3143         ql_dbg(ql_dbg_init, vha, 0x015a,
3144             "SFP MFG Name: %s\n", str);
3145
3146         memset(str, 0, STR_LEN);
3147         snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
3148         ql_dbg(ql_dbg_init, vha, 0x015c,
3149             "SFP Part Name: %s\n", str);
3150
3151         /* media */
3152         memset(str, 0, STR_LEN);
3153         ptr = str;
3154         leftover = STR_LEN;
3155         p = len = 0;
3156         PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
3157         PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
3158         PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
3159         PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
3160         PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
3161         PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
3162         PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
3163         ql_dbg(ql_dbg_init, vha, 0x0160,
3164             "SFP Media: %s\n", str);
3165
3166         /* link length */
3167         memset(str, 0, STR_LEN);
3168         ptr = str;
3169         leftover = STR_LEN;
3170         p = len = 0;
3171         PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
3172         PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
3173         PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
3174         PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
3175         PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
3176         ql_dbg(ql_dbg_init, vha, 0x0196,
3177             "SFP Link Length: %s\n", str);
3178
3179         memset(str, 0, STR_LEN);
3180         ptr = str;
3181         leftover = STR_LEN;
3182         p = len = 0;
3183         PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
3184         PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
3185         PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
3186         PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
3187         PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
3188         ql_dbg(ql_dbg_init, vha, 0x016e,
3189             "SFP FC Link Tech: %s\n", str);
3190
3191         if (a0->length_km)
3192                 ql_dbg(ql_dbg_init, vha, 0x016f,
3193                     "SFP Distant: %d km\n", a0->length_km);
3194         if (a0->length_100m)
3195                 ql_dbg(ql_dbg_init, vha, 0x0170,
3196                     "SFP Distant: %d m\n", a0->length_100m*100);
3197         if (a0->length_50um_10m)
3198                 ql_dbg(ql_dbg_init, vha, 0x0189,
3199                     "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
3200         if (a0->length_62um_10m)
3201                 ql_dbg(ql_dbg_init, vha, 0x018a,
3202                   "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
3203         if (a0->length_om4_10m)
3204                 ql_dbg(ql_dbg_init, vha, 0x0194,
3205                     "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
3206         if (a0->length_om3_10m)
3207                 ql_dbg(ql_dbg_init, vha, 0x0195,
3208                     "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
3209 }
3210
3211
3212 /*
3213  * Return Code:
3214  *   QLA_SUCCESS: no action
3215  *   QLA_INTERFACE_ERROR: SFP is not there.
3216  *   QLA_FUNCTION_FAILED: detected New SFP
3217  */
3218 int
3219 qla24xx_detect_sfp(scsi_qla_host_t *vha)
3220 {
3221         int rc = QLA_SUCCESS;
3222         struct sff_8247_a0 *a;
3223         struct qla_hw_data *ha = vha->hw;
3224
3225         if (!AUTO_DETECT_SFP_SUPPORT(vha))
3226                 goto out;
3227
3228         rc = qla2x00_read_sfp_dev(vha, NULL, 0);
3229         if (rc)
3230                 goto out;
3231
3232         a = (struct sff_8247_a0 *)vha->hw->sfp_data;
3233         qla2xxx_print_sfp_info(vha);
3234
3235         if (a->fc_ll_cc7 & FC_LL_VL || a->fc_ll_cc7 & FC_LL_L) {
3236                 /* long range */
3237                 ha->flags.detected_lr_sfp = 1;
3238
3239                 if (a->length_km > 5 || a->length_100m > 50)
3240                         ha->long_range_distance = LR_DISTANCE_10K;
3241                 else
3242                         ha->long_range_distance = LR_DISTANCE_5K;
3243
3244                 if (ha->flags.detected_lr_sfp != ha->flags.using_lr_setting)
3245                         ql_dbg(ql_dbg_async, vha, 0x507b,
3246                             "Detected Long Range SFP.\n");
3247         } else {
3248                 /* short range */
3249                 ha->flags.detected_lr_sfp = 0;
3250                 if (ha->flags.using_lr_setting)
3251                         ql_dbg(ql_dbg_async, vha, 0x5084,
3252                             "Detected Short Range SFP.\n");
3253         }
3254
3255         if (!vha->flags.init_done)
3256                 rc = QLA_SUCCESS;
3257 out:
3258         return rc;
3259 }
3260
3261 /**
3262  * qla2x00_setup_chip() - Load and start RISC firmware.
3263  * @vha: HA context
3264  *
3265  * Returns 0 on success.
3266  */
3267 static int
3268 qla2x00_setup_chip(scsi_qla_host_t *vha)
3269 {
3270         int rval;
3271         uint32_t srisc_address = 0;
3272         struct qla_hw_data *ha = vha->hw;
3273         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3274         unsigned long flags;
3275         uint16_t fw_major_version;
3276
3277         if (IS_P3P_TYPE(ha)) {
3278                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
3279                 if (rval == QLA_SUCCESS) {
3280                         qla2x00_stop_firmware(vha);
3281                         goto enable_82xx_npiv;
3282                 } else
3283                         goto failed;
3284         }
3285
3286         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3287                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
3288                 spin_lock_irqsave(&ha->hardware_lock, flags);
3289                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
3290                 RD_REG_WORD(&reg->hccr);
3291                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3292         }
3293
3294         qla81xx_mpi_sync(vha);
3295
3296         /* Load firmware sequences */
3297         rval = ha->isp_ops->load_risc(vha, &srisc_address);
3298         if (rval == QLA_SUCCESS) {
3299                 ql_dbg(ql_dbg_init, vha, 0x00c9,
3300                     "Verifying Checksum of loaded RISC code.\n");
3301
3302                 rval = qla2x00_verify_checksum(vha, srisc_address);
3303                 if (rval == QLA_SUCCESS) {
3304                         /* Start firmware execution. */
3305                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3306                             "Starting firmware.\n");
3307
3308                         if (ql2xexlogins)
3309                                 ha->flags.exlogins_enabled = 1;
3310
3311                         if (qla_is_exch_offld_enabled(vha))
3312                                 ha->flags.exchoffld_enabled = 1;
3313
3314                         rval = qla2x00_execute_fw(vha, srisc_address);
3315                         /* Retrieve firmware information. */
3316                         if (rval == QLA_SUCCESS) {
3317                                 qla24xx_detect_sfp(vha);
3318
3319                                 rval = qla2x00_set_exlogins_buffer(vha);
3320                                 if (rval != QLA_SUCCESS)
3321                                         goto failed;
3322
3323                                 rval = qla2x00_set_exchoffld_buffer(vha);
3324                                 if (rval != QLA_SUCCESS)
3325                                         goto failed;
3326
3327 enable_82xx_npiv:
3328                                 fw_major_version = ha->fw_major_version;
3329                                 if (IS_P3P_TYPE(ha))
3330                                         qla82xx_check_md_needed(vha);
3331                                 else
3332                                         rval = qla2x00_get_fw_version(vha);
3333                                 if (rval != QLA_SUCCESS)
3334                                         goto failed;
3335                                 ha->flags.npiv_supported = 0;
3336                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
3337                                          (ha->fw_attributes & BIT_2)) {
3338                                         ha->flags.npiv_supported = 1;
3339                                         if ((!ha->max_npiv_vports) ||
3340                                             ((ha->max_npiv_vports + 1) %
3341                                             MIN_MULTI_ID_FABRIC))
3342                                                 ha->max_npiv_vports =
3343                                                     MIN_MULTI_ID_FABRIC - 1;
3344                                 }
3345                                 qla2x00_get_resource_cnts(vha);
3346
3347                                 /*
3348                                  * Allocate the array of outstanding commands
3349                                  * now that we know the firmware resources.
3350                                  */
3351                                 rval = qla2x00_alloc_outstanding_cmds(ha,
3352                                     vha->req);
3353                                 if (rval != QLA_SUCCESS)
3354                                         goto failed;
3355
3356                                 if (!fw_major_version && !(IS_P3P_TYPE(ha)))
3357                                         qla2x00_alloc_offload_mem(vha);
3358
3359                                 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
3360                                         qla2x00_alloc_fw_dump(vha);
3361
3362                         } else {
3363                                 goto failed;
3364                         }
3365                 } else {
3366                         ql_log(ql_log_fatal, vha, 0x00cd,
3367                             "ISP Firmware failed checksum.\n");
3368                         goto failed;
3369                 }
3370         } else
3371                 goto failed;
3372
3373         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3374                 /* Enable proper parity. */
3375                 spin_lock_irqsave(&ha->hardware_lock, flags);
3376                 if (IS_QLA2300(ha))
3377                         /* SRAM parity */
3378                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
3379                 else
3380                         /* SRAM, Instruction RAM and GP RAM parity */
3381                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
3382                 RD_REG_WORD(&reg->hccr);
3383                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3384         }
3385
3386         if (IS_QLA27XX(ha))
3387                 ha->flags.fac_supported = 1;
3388         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
3389                 uint32_t size;
3390
3391                 rval = qla81xx_fac_get_sector_size(vha, &size);
3392                 if (rval == QLA_SUCCESS) {
3393                         ha->flags.fac_supported = 1;
3394                         ha->fdt_block_size = size << 2;
3395                 } else {
3396                         ql_log(ql_log_warn, vha, 0x00ce,
3397                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
3398                             ha->fw_major_version, ha->fw_minor_version,
3399                             ha->fw_subminor_version);
3400
3401                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3402                                 ha->flags.fac_supported = 0;
3403                                 rval = QLA_SUCCESS;
3404                         }
3405                 }
3406         }
3407 failed:
3408         if (rval) {
3409                 ql_log(ql_log_fatal, vha, 0x00cf,
3410                     "Setup chip ****FAILED****.\n");
3411         }
3412
3413         return (rval);
3414 }
3415
3416 /**
3417  * qla2x00_init_response_q_entries() - Initializes response queue entries.
3418  * @rsp: response queue
3419  *
3420  * Beginning of request ring has initialization control block already built
3421  * by nvram config routine.
3422  *
3423  * Returns 0 on success.
3424  */
3425 void
3426 qla2x00_init_response_q_entries(struct rsp_que *rsp)
3427 {
3428         uint16_t cnt;
3429         response_t *pkt;
3430
3431         rsp->ring_ptr = rsp->ring;
3432         rsp->ring_index    = 0;
3433         rsp->status_srb = NULL;
3434         pkt = rsp->ring_ptr;
3435         for (cnt = 0; cnt < rsp->length; cnt++) {
3436                 pkt->signature = RESPONSE_PROCESSED;
3437                 pkt++;
3438         }
3439 }
3440
3441 /**
3442  * qla2x00_update_fw_options() - Read and process firmware options.
3443  * @vha: HA context
3444  *
3445  * Returns 0 on success.
3446  */
3447 void
3448 qla2x00_update_fw_options(scsi_qla_host_t *vha)
3449 {
3450         uint16_t swing, emphasis, tx_sens, rx_sens;
3451         struct qla_hw_data *ha = vha->hw;
3452
3453         memset(ha->fw_options, 0, sizeof(ha->fw_options));
3454         qla2x00_get_fw_options(vha, ha->fw_options);
3455
3456         if (IS_QLA2100(ha) || IS_QLA2200(ha))
3457                 return;
3458
3459         /* Serial Link options. */
3460         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
3461             "Serial link options.\n");
3462         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
3463             (uint8_t *)&ha->fw_seriallink_options,
3464             sizeof(ha->fw_seriallink_options));
3465
3466         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
3467         if (ha->fw_seriallink_options[3] & BIT_2) {
3468                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
3469
3470                 /*  1G settings */
3471                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
3472                 emphasis = (ha->fw_seriallink_options[2] &
3473                     (BIT_4 | BIT_3)) >> 3;
3474                 tx_sens = ha->fw_seriallink_options[0] &
3475                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3476                 rx_sens = (ha->fw_seriallink_options[0] &
3477                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3478                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
3479                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3480                         if (rx_sens == 0x0)
3481                                 rx_sens = 0x3;
3482                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
3483                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3484                         ha->fw_options[10] |= BIT_5 |
3485                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3486                             (tx_sens & (BIT_1 | BIT_0));
3487
3488                 /*  2G settings */
3489                 swing = (ha->fw_seriallink_options[2] &
3490                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
3491                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
3492                 tx_sens = ha->fw_seriallink_options[1] &
3493                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3494                 rx_sens = (ha->fw_seriallink_options[1] &
3495                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3496                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
3497                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3498                         if (rx_sens == 0x0)
3499                                 rx_sens = 0x3;
3500                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
3501                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3502                         ha->fw_options[11] |= BIT_5 |
3503                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3504                             (tx_sens & (BIT_1 | BIT_0));
3505         }
3506
3507         /* FCP2 options. */
3508         /*  Return command IOCBs without waiting for an ABTS to complete. */
3509         ha->fw_options[3] |= BIT_13;
3510
3511         /* LED scheme. */
3512         if (ha->flags.enable_led_scheme)
3513                 ha->fw_options[2] |= BIT_12;
3514
3515         /* Detect ISP6312. */
3516         if (IS_QLA6312(ha))
3517                 ha->fw_options[2] |= BIT_13;
3518
3519         /* Set Retry FLOGI in case of P2P connection */
3520         if (ha->operating_mode == P2P) {
3521                 ha->fw_options[2] |= BIT_3;
3522                 ql_dbg(ql_dbg_disc, vha, 0x2100,
3523                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3524                         __func__, ha->fw_options[2]);
3525         }
3526
3527         /* Update firmware options. */
3528         qla2x00_set_fw_options(vha, ha->fw_options);
3529 }
3530
3531 void
3532 qla24xx_update_fw_options(scsi_qla_host_t *vha)
3533 {
3534         int rval;
3535         struct qla_hw_data *ha = vha->hw;
3536
3537         if (IS_P3P_TYPE(ha))
3538                 return;
3539
3540         /*  Hold status IOCBs until ABTS response received. */
3541         if (ql2xfwholdabts)
3542                 ha->fw_options[3] |= BIT_12;
3543
3544         /* Set Retry FLOGI in case of P2P connection */
3545         if (ha->operating_mode == P2P) {
3546                 ha->fw_options[2] |= BIT_3;
3547                 ql_dbg(ql_dbg_disc, vha, 0x2101,
3548                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3549                         __func__, ha->fw_options[2]);
3550         }
3551
3552         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
3553         if (ql2xmvasynctoatio &&
3554             (IS_QLA83XX(ha) || IS_QLA27XX(ha))) {
3555                 if (qla_tgt_mode_enabled(vha) ||
3556                     qla_dual_mode_enabled(vha))
3557                         ha->fw_options[2] |= BIT_11;
3558                 else
3559                         ha->fw_options[2] &= ~BIT_11;
3560         }
3561
3562         if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3563                 /*
3564                  * Tell FW to track each exchange to prevent
3565                  * driver from using stale exchange.
3566                  */
3567                 if (qla_tgt_mode_enabled(vha) ||
3568                     qla_dual_mode_enabled(vha))
3569                         ha->fw_options[2] |= BIT_4;
3570                 else
3571                         ha->fw_options[2] &= ~BIT_4;
3572
3573                 /* Reserve 1/2 of emergency exchanges for ELS.*/
3574                 if (qla2xuseresexchforels)
3575                         ha->fw_options[2] |= BIT_8;
3576                 else
3577                         ha->fw_options[2] &= ~BIT_8;
3578         }
3579
3580         ql_dbg(ql_dbg_init, vha, 0x00e8,
3581             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
3582             __func__, ha->fw_options[1], ha->fw_options[2],
3583             ha->fw_options[3], vha->host->active_mode);
3584
3585         if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
3586                 qla2x00_set_fw_options(vha, ha->fw_options);
3587
3588         /* Update Serial Link options. */
3589         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
3590                 return;
3591
3592         rval = qla2x00_set_serdes_params(vha,
3593             le16_to_cpu(ha->fw_seriallink_options24[1]),
3594             le16_to_cpu(ha->fw_seriallink_options24[2]),
3595             le16_to_cpu(ha->fw_seriallink_options24[3]));
3596         if (rval != QLA_SUCCESS) {
3597                 ql_log(ql_log_warn, vha, 0x0104,
3598                     "Unable to update Serial Link options (%x).\n", rval);
3599         }
3600 }
3601
3602 void
3603 qla2x00_config_rings(struct scsi_qla_host *vha)
3604 {
3605         struct qla_hw_data *ha = vha->hw;
3606         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3607         struct req_que *req = ha->req_q_map[0];
3608         struct rsp_que *rsp = ha->rsp_q_map[0];
3609
3610         /* Setup ring parameters in initialization control block. */
3611         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
3612         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
3613         ha->init_cb->request_q_length = cpu_to_le16(req->length);
3614         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
3615         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3616         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3617         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3618         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3619
3620         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
3621         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
3622         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
3623         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
3624         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
3625 }
3626
3627 void
3628 qla24xx_config_rings(struct scsi_qla_host *vha)
3629 {
3630         struct qla_hw_data *ha = vha->hw;
3631         device_reg_t *reg = ISP_QUE_REG(ha, 0);
3632         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
3633         struct qla_msix_entry *msix;
3634         struct init_cb_24xx *icb;
3635         uint16_t rid = 0;
3636         struct req_que *req = ha->req_q_map[0];
3637         struct rsp_que *rsp = ha->rsp_q_map[0];
3638
3639         /* Setup ring parameters in initialization control block. */
3640         icb = (struct init_cb_24xx *)ha->init_cb;
3641         icb->request_q_outpointer = cpu_to_le16(0);
3642         icb->response_q_inpointer = cpu_to_le16(0);
3643         icb->request_q_length = cpu_to_le16(req->length);
3644         icb->response_q_length = cpu_to_le16(rsp->length);
3645         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3646         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3647         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3648         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3649
3650         /* Setup ATIO queue dma pointers for target mode */
3651         icb->atio_q_inpointer = cpu_to_le16(0);
3652         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
3653         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
3654         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
3655
3656         if (IS_SHADOW_REG_CAPABLE(ha))
3657                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
3658
3659         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3660                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
3661                 icb->rid = cpu_to_le16(rid);
3662                 if (ha->flags.msix_enabled) {
3663                         msix = &ha->msix_entries[1];
3664                         ql_dbg(ql_dbg_init, vha, 0x0019,
3665                             "Registering vector 0x%x for base que.\n",
3666                             msix->entry);
3667                         icb->msix = cpu_to_le16(msix->entry);
3668                 }
3669                 /* Use alternate PCI bus number */
3670                 if (MSB(rid))
3671                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
3672                 /* Use alternate PCI devfn */
3673                 if (LSB(rid))
3674                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
3675
3676                 /* Use Disable MSIX Handshake mode for capable adapters */
3677                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
3678                     (ha->flags.msix_enabled)) {
3679                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
3680                         ha->flags.disable_msix_handshake = 1;
3681                         ql_dbg(ql_dbg_init, vha, 0x00fe,
3682                             "MSIX Handshake Disable Mode turned on.\n");
3683                 } else {
3684                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
3685                 }
3686                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
3687
3688                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
3689                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
3690                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
3691                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
3692         } else {
3693                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
3694                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
3695                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
3696                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
3697         }
3698         qlt_24xx_config_rings(vha);
3699
3700         /* PCI posting */
3701         RD_REG_DWORD(&ioreg->hccr);
3702 }
3703
3704 /**
3705  * qla2x00_init_rings() - Initializes firmware.
3706  * @vha: HA context
3707  *
3708  * Beginning of request ring has initialization control block already built
3709  * by nvram config routine.
3710  *
3711  * Returns 0 on success.
3712  */
3713 int
3714 qla2x00_init_rings(scsi_qla_host_t *vha)
3715 {
3716         int     rval;
3717         unsigned long flags = 0;
3718         int cnt, que;
3719         struct qla_hw_data *ha = vha->hw;
3720         struct req_que *req;
3721         struct rsp_que *rsp;
3722         struct mid_init_cb_24xx *mid_init_cb =
3723             (struct mid_init_cb_24xx *) ha->init_cb;
3724
3725         spin_lock_irqsave(&ha->hardware_lock, flags);
3726
3727         /* Clear outstanding commands array. */
3728         for (que = 0; que < ha->max_req_queues; que++) {
3729                 req = ha->req_q_map[que];
3730                 if (!req || !test_bit(que, ha->req_qid_map))
3731                         continue;
3732                 req->out_ptr = (void *)(req->ring + req->length);
3733                 *req->out_ptr = 0;
3734                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
3735                         req->outstanding_cmds[cnt] = NULL;
3736
3737                 req->current_outstanding_cmd = 1;
3738
3739                 /* Initialize firmware. */
3740                 req->ring_ptr  = req->ring;
3741                 req->ring_index    = 0;
3742                 req->cnt      = req->length;
3743         }
3744
3745         for (que = 0; que < ha->max_rsp_queues; que++) {
3746                 rsp = ha->rsp_q_map[que];
3747                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
3748                         continue;
3749                 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
3750                 *rsp->in_ptr = 0;
3751                 /* Initialize response queue entries */
3752                 if (IS_QLAFX00(ha))
3753                         qlafx00_init_response_q_entries(rsp);
3754                 else
3755                         qla2x00_init_response_q_entries(rsp);
3756         }
3757
3758         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
3759         ha->tgt.atio_ring_index = 0;
3760         /* Initialize ATIO queue entries */
3761         qlt_init_atio_q_entries(vha);
3762
3763         ha->isp_ops->config_rings(vha);
3764
3765         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3766
3767         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
3768
3769         if (IS_QLAFX00(ha)) {
3770                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
3771                 goto next_check;
3772         }
3773
3774         /* Update any ISP specific firmware options before initialization. */
3775         ha->isp_ops->update_fw_options(vha);
3776
3777         if (ha->flags.npiv_supported) {
3778                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
3779                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
3780                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
3781         }
3782
3783         if (IS_FWI2_CAPABLE(ha)) {
3784                 mid_init_cb->options = cpu_to_le16(BIT_1);
3785                 mid_init_cb->init_cb.execution_throttle =
3786                     cpu_to_le16(ha->cur_fw_xcb_count);
3787                 ha->flags.dport_enabled =
3788                     (mid_init_cb->init_cb.firmware_options_1 & BIT_7) != 0;
3789                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
3790                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
3791                 /* FA-WWPN Status */
3792                 ha->flags.fawwpn_enabled =
3793                     (mid_init_cb->init_cb.firmware_options_1 & BIT_6) != 0;
3794                 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
3795                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
3796         }
3797
3798         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
3799 next_check:
3800         if (rval) {
3801                 ql_log(ql_log_fatal, vha, 0x00d2,
3802                     "Init Firmware **** FAILED ****.\n");
3803         } else {
3804                 ql_dbg(ql_dbg_init, vha, 0x00d3,
3805                     "Init Firmware -- success.\n");
3806                 QLA_FW_STARTED(ha);
3807         }
3808
3809         return (rval);
3810 }
3811
3812 /**
3813  * qla2x00_fw_ready() - Waits for firmware ready.
3814  * @vha: HA context
3815  *
3816  * Returns 0 on success.
3817  */
3818 static int
3819 qla2x00_fw_ready(scsi_qla_host_t *vha)
3820 {
3821         int             rval;
3822         unsigned long   wtime, mtime, cs84xx_time;
3823         uint16_t        min_wait;       /* Minimum wait time if loop is down */
3824         uint16_t        wait_time;      /* Wait time if loop is coming ready */
3825         uint16_t        state[6];
3826         struct qla_hw_data *ha = vha->hw;
3827
3828         if (IS_QLAFX00(vha->hw))
3829                 return qlafx00_fw_ready(vha);
3830
3831         rval = QLA_SUCCESS;
3832
3833         /* Time to wait for loop down */
3834         if (IS_P3P_TYPE(ha))
3835                 min_wait = 30;
3836         else
3837                 min_wait = 20;
3838
3839         /*
3840          * Firmware should take at most one RATOV to login, plus 5 seconds for
3841          * our own processing.
3842          */
3843         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
3844                 wait_time = min_wait;
3845         }
3846
3847         /* Min wait time if loop down */
3848         mtime = jiffies + (min_wait * HZ);
3849
3850         /* wait time before firmware ready */
3851         wtime = jiffies + (wait_time * HZ);
3852
3853         /* Wait for ISP to finish LIP */
3854         if (!vha->flags.init_done)
3855                 ql_log(ql_log_info, vha, 0x801e,
3856                     "Waiting for LIP to complete.\n");
3857
3858         do {
3859                 memset(state, -1, sizeof(state));
3860                 rval = qla2x00_get_firmware_state(vha, state);
3861                 if (rval == QLA_SUCCESS) {
3862                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
3863                                 vha->device_flags &= ~DFLG_NO_CABLE;
3864                         }
3865                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
3866                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
3867                                     "fw_state=%x 84xx=%x.\n", state[0],
3868                                     state[2]);
3869                                 if ((state[2] & FSTATE_LOGGED_IN) &&
3870                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
3871                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
3872                                             "Sending verify iocb.\n");
3873
3874                                         cs84xx_time = jiffies;
3875                                         rval = qla84xx_init_chip(vha);
3876                                         if (rval != QLA_SUCCESS) {
3877                                                 ql_log(ql_log_warn,
3878                                                     vha, 0x8007,
3879                                                     "Init chip failed.\n");
3880                                                 break;
3881                                         }
3882
3883                                         /* Add time taken to initialize. */
3884                                         cs84xx_time = jiffies - cs84xx_time;
3885                                         wtime += cs84xx_time;
3886                                         mtime += cs84xx_time;
3887                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
3888                                             "Increasing wait time by %ld. "
3889                                             "New time %ld.\n", cs84xx_time,
3890                                             wtime);
3891                                 }
3892                         } else if (state[0] == FSTATE_READY) {
3893                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
3894                                     "F/W Ready - OK.\n");
3895
3896                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
3897                                     &ha->login_timeout, &ha->r_a_tov);
3898
3899                                 rval = QLA_SUCCESS;
3900                                 break;
3901                         }
3902
3903                         rval = QLA_FUNCTION_FAILED;
3904
3905                         if (atomic_read(&vha->loop_down_timer) &&
3906                             state[0] != FSTATE_READY) {
3907                                 /* Loop down. Timeout on min_wait for states
3908                                  * other than Wait for Login.
3909                                  */
3910                                 if (time_after_eq(jiffies, mtime)) {
3911                                         ql_log(ql_log_info, vha, 0x8038,
3912                                             "Cable is unplugged...\n");
3913
3914                                         vha->device_flags |= DFLG_NO_CABLE;
3915                                         break;
3916                                 }
3917                         }
3918                 } else {
3919                         /* Mailbox cmd failed. Timeout on min_wait. */
3920                         if (time_after_eq(jiffies, mtime) ||
3921                                 ha->flags.isp82xx_fw_hung)
3922                                 break;
3923                 }
3924
3925                 if (time_after_eq(jiffies, wtime))
3926                         break;
3927
3928                 /* Delay for a while */
3929                 msleep(500);
3930         } while (1);
3931
3932         ql_dbg(ql_dbg_taskm, vha, 0x803a,
3933             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
3934             state[1], state[2], state[3], state[4], state[5], jiffies);
3935
3936         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
3937                 ql_log(ql_log_warn, vha, 0x803b,
3938                     "Firmware ready **** FAILED ****.\n");
3939         }
3940
3941         return (rval);
3942 }
3943
3944 /*
3945 *  qla2x00_configure_hba
3946 *      Setup adapter context.
3947 *
3948 * Input:
3949 *      ha = adapter state pointer.
3950 *
3951 * Returns:
3952 *      0 = success
3953 *
3954 * Context:
3955 *      Kernel context.
3956 */
3957 static int
3958 qla2x00_configure_hba(scsi_qla_host_t *vha)
3959 {
3960         int       rval;
3961         uint16_t      loop_id;
3962         uint16_t      topo;
3963         uint16_t      sw_cap;
3964         uint8_t       al_pa;
3965         uint8_t       area;
3966         uint8_t       domain;
3967         char            connect_type[22];
3968         struct qla_hw_data *ha = vha->hw;
3969         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
3970         port_id_t id;
3971         unsigned long flags;
3972
3973         /* Get host addresses. */
3974         rval = qla2x00_get_adapter_id(vha,
3975             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
3976         if (rval != QLA_SUCCESS) {
3977                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
3978                     IS_CNA_CAPABLE(ha) ||
3979                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
3980                         ql_dbg(ql_dbg_disc, vha, 0x2008,
3981                             "Loop is in a transition state.\n");
3982                 } else {
3983                         ql_log(ql_log_warn, vha, 0x2009,
3984                             "Unable to get host loop ID.\n");
3985                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
3986                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
3987                                 ql_log(ql_log_warn, vha, 0x1151,
3988                                     "Doing link init.\n");
3989                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
3990                                         return rval;
3991                         }
3992                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3993                 }
3994                 return (rval);
3995         }
3996
3997         if (topo == 4) {
3998                 ql_log(ql_log_info, vha, 0x200a,
3999                     "Cannot get topology - retrying.\n");
4000                 return (QLA_FUNCTION_FAILED);
4001         }
4002
4003         vha->loop_id = loop_id;
4004
4005         /* initialize */
4006         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4007         ha->operating_mode = LOOP;
4008         ha->switch_cap = 0;
4009
4010         switch (topo) {
4011         case 0:
4012                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4013                 ha->current_topology = ISP_CFG_NL;
4014                 strcpy(connect_type, "(Loop)");
4015                 break;
4016
4017         case 1:
4018                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4019                 ha->switch_cap = sw_cap;
4020                 ha->current_topology = ISP_CFG_FL;
4021                 strcpy(connect_type, "(FL_Port)");
4022                 break;
4023
4024         case 2:
4025                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
4026                 ha->operating_mode = P2P;
4027                 ha->current_topology = ISP_CFG_N;
4028                 strcpy(connect_type, "(N_Port-to-N_Port)");
4029                 break;
4030
4031         case 3:
4032                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4033                 ha->switch_cap = sw_cap;
4034                 ha->operating_mode = P2P;
4035                 ha->current_topology = ISP_CFG_F;
4036                 strcpy(connect_type, "(F_Port)");
4037                 break;
4038
4039         default:
4040                 ql_dbg(ql_dbg_disc, vha, 0x200f,
4041                     "HBA in unknown topology %x, using NL.\n", topo);
4042                 ha->current_topology = ISP_CFG_NL;
4043                 strcpy(connect_type, "(Loop)");
4044                 break;
4045         }
4046
4047         /* Save Host port and loop ID. */
4048         /* byte order - Big Endian */
4049         id.b.domain = domain;
4050         id.b.area = area;
4051         id.b.al_pa = al_pa;
4052         id.b.rsvd_1 = 0;
4053         spin_lock_irqsave(&ha->hardware_lock, flags);
4054         qlt_update_host_map(vha, id);
4055         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4056
4057         if (!vha->flags.init_done)
4058                 ql_log(ql_log_info, vha, 0x2010,
4059                     "Topology - %s, Host Loop address 0x%x.\n",
4060                     connect_type, vha->loop_id);
4061
4062         return(rval);
4063 }
4064
4065 inline void
4066 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4067         char *def)
4068 {
4069         char *st, *en;
4070         uint16_t index;
4071         struct qla_hw_data *ha = vha->hw;
4072         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4073             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4074
4075         if (memcmp(model, BINZERO, len) != 0) {
4076                 strncpy(ha->model_number, model, len);
4077                 st = en = ha->model_number;
4078                 en += len - 1;
4079                 while (en > st) {
4080                         if (*en != 0x20 && *en != 0x00)
4081                                 break;
4082                         *en-- = '\0';
4083                 }
4084
4085                 index = (ha->pdev->subsystem_device & 0xff);
4086                 if (use_tbl &&
4087                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4088                     index < QLA_MODEL_NAMES)
4089                         strncpy(ha->model_desc,
4090                             qla2x00_model_name[index * 2 + 1],
4091                             sizeof(ha->model_desc) - 1);
4092         } else {
4093                 index = (ha->pdev->subsystem_device & 0xff);
4094                 if (use_tbl &&
4095                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4096                     index < QLA_MODEL_NAMES) {
4097                         strcpy(ha->model_number,
4098                             qla2x00_model_name[index * 2]);
4099                         strncpy(ha->model_desc,
4100                             qla2x00_model_name[index * 2 + 1],
4101                             sizeof(ha->model_desc) - 1);
4102                 } else {
4103                         strcpy(ha->model_number, def);
4104                 }
4105         }
4106         if (IS_FWI2_CAPABLE(ha))
4107                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4108                     sizeof(ha->model_desc));
4109 }
4110
4111 /* On sparc systems, obtain port and node WWN from firmware
4112  * properties.
4113  */
4114 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4115 {
4116 #ifdef CONFIG_SPARC
4117         struct qla_hw_data *ha = vha->hw;
4118         struct pci_dev *pdev = ha->pdev;
4119         struct device_node *dp = pci_device_to_OF_node(pdev);
4120         const u8 *val;
4121         int len;
4122
4123         val = of_get_property(dp, "port-wwn", &len);
4124         if (val && len >= WWN_SIZE)
4125                 memcpy(nv->port_name, val, WWN_SIZE);
4126
4127         val = of_get_property(dp, "node-wwn", &len);
4128         if (val && len >= WWN_SIZE)
4129                 memcpy(nv->node_name, val, WWN_SIZE);
4130 #endif
4131 }
4132
4133 /*
4134 * NVRAM configuration for ISP 2xxx
4135 *
4136 * Input:
4137 *      ha                = adapter block pointer.
4138 *
4139 * Output:
4140 *      initialization control block in response_ring
4141 *      host adapters parameters in host adapter block
4142 *
4143 * Returns:
4144 *      0 = success.
4145 */
4146 int
4147 qla2x00_nvram_config(scsi_qla_host_t *vha)
4148 {
4149         int             rval;
4150         uint8_t         chksum = 0;
4151         uint16_t        cnt;
4152         uint8_t         *dptr1, *dptr2;
4153         struct qla_hw_data *ha = vha->hw;
4154         init_cb_t       *icb = ha->init_cb;
4155         nvram_t         *nv = ha->nvram;
4156         uint8_t         *ptr = ha->nvram;
4157         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4158
4159         rval = QLA_SUCCESS;
4160
4161         /* Determine NVRAM starting address. */
4162         ha->nvram_size = sizeof(nvram_t);
4163         ha->nvram_base = 0;
4164         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
4165                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
4166                         ha->nvram_base = 0x80;
4167
4168         /* Get NVRAM data and calculate checksum. */
4169         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4170         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
4171                 chksum += *ptr++;
4172
4173         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
4174             "Contents of NVRAM.\n");
4175         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4176             (uint8_t *)nv, ha->nvram_size);
4177
4178         /* Bad NVRAM data, set defaults parameters. */
4179         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
4180             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
4181                 /* Reset NVRAM data. */
4182                 ql_log(ql_log_warn, vha, 0x0064,
4183                     "Inconsistent NVRAM "
4184                     "detected: checksum=0x%x id=%c version=0x%x.\n",
4185                     chksum, nv->id[0], nv->nvram_version);
4186                 ql_log(ql_log_warn, vha, 0x0065,
4187                     "Falling back to "
4188                     "functioning (yet invalid -- WWPN) defaults.\n");
4189
4190                 /*
4191                  * Set default initialization control block.
4192                  */
4193                 memset(nv, 0, ha->nvram_size);
4194                 nv->parameter_block_version = ICB_VERSION;
4195
4196                 if (IS_QLA23XX(ha)) {
4197                         nv->firmware_options[0] = BIT_2 | BIT_1;
4198                         nv->firmware_options[1] = BIT_7 | BIT_5;
4199                         nv->add_firmware_options[0] = BIT_5;
4200                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4201                         nv->frame_payload_size = 2048;
4202                         nv->special_options[1] = BIT_7;
4203                 } else if (IS_QLA2200(ha)) {
4204                         nv->firmware_options[0] = BIT_2 | BIT_1;
4205                         nv->firmware_options[1] = BIT_7 | BIT_5;
4206                         nv->add_firmware_options[0] = BIT_5;
4207                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4208                         nv->frame_payload_size = 1024;
4209                 } else if (IS_QLA2100(ha)) {
4210                         nv->firmware_options[0] = BIT_3 | BIT_1;
4211                         nv->firmware_options[1] = BIT_5;
4212                         nv->frame_payload_size = 1024;
4213                 }
4214
4215                 nv->max_iocb_allocation = cpu_to_le16(256);
4216                 nv->execution_throttle = cpu_to_le16(16);
4217                 nv->retry_count = 8;
4218                 nv->retry_delay = 1;
4219
4220                 nv->port_name[0] = 33;
4221                 nv->port_name[3] = 224;
4222                 nv->port_name[4] = 139;
4223
4224                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4225
4226                 nv->login_timeout = 4;
4227
4228                 /*
4229                  * Set default host adapter parameters
4230                  */
4231                 nv->host_p[1] = BIT_2;
4232                 nv->reset_delay = 5;
4233                 nv->port_down_retry_count = 8;
4234                 nv->max_luns_per_target = cpu_to_le16(8);
4235                 nv->link_down_timeout = 60;
4236
4237                 rval = 1;
4238         }
4239
4240 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
4241         /*
4242          * The SN2 does not provide BIOS emulation which means you can't change
4243          * potentially bogus BIOS settings. Force the use of default settings
4244          * for link rate and frame size.  Hope that the rest of the settings
4245          * are valid.
4246          */
4247         if (ia64_platform_is("sn2")) {
4248                 nv->frame_payload_size = 2048;
4249                 if (IS_QLA23XX(ha))
4250                         nv->special_options[1] = BIT_7;
4251         }
4252 #endif
4253
4254         /* Reset Initialization control block */
4255         memset(icb, 0, ha->init_cb_size);
4256
4257         /*
4258          * Setup driver NVRAM options.
4259          */
4260         nv->firmware_options[0] |= (BIT_6 | BIT_1);
4261         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
4262         nv->firmware_options[1] |= (BIT_5 | BIT_0);
4263         nv->firmware_options[1] &= ~BIT_4;
4264
4265         if (IS_QLA23XX(ha)) {
4266                 nv->firmware_options[0] |= BIT_2;
4267                 nv->firmware_options[0] &= ~BIT_3;
4268                 nv->special_options[0] &= ~BIT_6;
4269                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
4270
4271                 if (IS_QLA2300(ha)) {
4272                         if (ha->fb_rev == FPM_2310) {
4273                                 strcpy(ha->model_number, "QLA2310");
4274                         } else {
4275                                 strcpy(ha->model_number, "QLA2300");
4276                         }
4277                 } else {
4278                         qla2x00_set_model_info(vha, nv->model_number,
4279                             sizeof(nv->model_number), "QLA23xx");
4280                 }
4281         } else if (IS_QLA2200(ha)) {
4282                 nv->firmware_options[0] |= BIT_2;
4283                 /*
4284                  * 'Point-to-point preferred, else loop' is not a safe
4285                  * connection mode setting.
4286                  */
4287                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
4288                     (BIT_5 | BIT_4)) {
4289                         /* Force 'loop preferred, else point-to-point'. */
4290                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
4291                         nv->add_firmware_options[0] |= BIT_5;
4292                 }
4293                 strcpy(ha->model_number, "QLA22xx");
4294         } else /*if (IS_QLA2100(ha))*/ {
4295                 strcpy(ha->model_number, "QLA2100");
4296         }
4297
4298         /*
4299          * Copy over NVRAM RISC parameter block to initialization control block.
4300          */
4301         dptr1 = (uint8_t *)icb;
4302         dptr2 = (uint8_t *)&nv->parameter_block_version;
4303         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
4304         while (cnt--)
4305                 *dptr1++ = *dptr2++;
4306
4307         /* Copy 2nd half. */
4308         dptr1 = (uint8_t *)icb->add_firmware_options;
4309         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
4310         while (cnt--)
4311                 *dptr1++ = *dptr2++;
4312
4313         /* Use alternate WWN? */
4314         if (nv->host_p[1] & BIT_7) {
4315                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4316                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4317         }
4318
4319         /* Prepare nodename */
4320         if ((icb->firmware_options[1] & BIT_6) == 0) {
4321                 /*
4322                  * Firmware will apply the following mask if the nodename was
4323                  * not provided.
4324                  */
4325                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4326                 icb->node_name[0] &= 0xF0;
4327         }
4328
4329         /*
4330          * Set host adapter parameters.
4331          */
4332
4333         /*
4334          * BIT_7 in the host-parameters section allows for modification to
4335          * internal driver logging.
4336          */
4337         if (nv->host_p[0] & BIT_7)
4338                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
4339         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
4340         /* Always load RISC code on non ISP2[12]00 chips. */
4341         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
4342                 ha->flags.disable_risc_code_load = 0;
4343         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
4344         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
4345         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
4346         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
4347         ha->flags.disable_serdes = 0;
4348
4349         ha->operating_mode =
4350             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
4351
4352         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
4353             sizeof(ha->fw_seriallink_options));
4354
4355         /* save HBA serial number */
4356         ha->serial0 = icb->port_name[5];
4357         ha->serial1 = icb->port_name[6];
4358         ha->serial2 = icb->port_name[7];
4359         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4360         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4361
4362         icb->execution_throttle = cpu_to_le16(0xFFFF);
4363
4364         ha->retry_count = nv->retry_count;
4365
4366         /* Set minimum login_timeout to 4 seconds. */
4367         if (nv->login_timeout != ql2xlogintimeout)
4368                 nv->login_timeout = ql2xlogintimeout;
4369         if (nv->login_timeout < 4)
4370                 nv->login_timeout = 4;
4371         ha->login_timeout = nv->login_timeout;
4372
4373         /* Set minimum RATOV to 100 tenths of a second. */
4374         ha->r_a_tov = 100;
4375
4376         ha->loop_reset_delay = nv->reset_delay;
4377
4378         /* Link Down Timeout = 0:
4379          *
4380          *      When Port Down timer expires we will start returning
4381          *      I/O's to OS with "DID_NO_CONNECT".
4382          *
4383          * Link Down Timeout != 0:
4384          *
4385          *       The driver waits for the link to come up after link down
4386          *       before returning I/Os to OS with "DID_NO_CONNECT".
4387          */
4388         if (nv->link_down_timeout == 0) {
4389                 ha->loop_down_abort_time =
4390                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4391         } else {
4392                 ha->link_down_timeout =  nv->link_down_timeout;
4393                 ha->loop_down_abort_time =
4394                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4395         }
4396
4397         /*
4398          * Need enough time to try and get the port back.
4399          */
4400         ha->port_down_retry_count = nv->port_down_retry_count;
4401         if (qlport_down_retry)
4402                 ha->port_down_retry_count = qlport_down_retry;
4403         /* Set login_retry_count */
4404         ha->login_retry_count  = nv->retry_count;
4405         if (ha->port_down_retry_count == nv->port_down_retry_count &&
4406             ha->port_down_retry_count > 3)
4407                 ha->login_retry_count = ha->port_down_retry_count;
4408         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4409                 ha->login_retry_count = ha->port_down_retry_count;
4410         if (ql2xloginretrycount)
4411                 ha->login_retry_count = ql2xloginretrycount;
4412
4413         icb->lun_enables = cpu_to_le16(0);
4414         icb->command_resource_count = 0;
4415         icb->immediate_notify_resource_count = 0;
4416         icb->timeout = cpu_to_le16(0);
4417
4418         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4419                 /* Enable RIO */
4420                 icb->firmware_options[0] &= ~BIT_3;
4421                 icb->add_firmware_options[0] &=
4422                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4423                 icb->add_firmware_options[0] |= BIT_2;
4424                 icb->response_accumulation_timer = 3;
4425                 icb->interrupt_delay_timer = 5;
4426
4427                 vha->flags.process_response_queue = 1;
4428         } else {
4429                 /* Enable ZIO. */
4430                 if (!vha->flags.init_done) {
4431                         ha->zio_mode = icb->add_firmware_options[0] &
4432                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4433                         ha->zio_timer = icb->interrupt_delay_timer ?
4434                             icb->interrupt_delay_timer: 2;
4435                 }
4436                 icb->add_firmware_options[0] &=
4437                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4438                 vha->flags.process_response_queue = 0;
4439                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4440                         ha->zio_mode = QLA_ZIO_MODE_6;
4441
4442                         ql_log(ql_log_info, vha, 0x0068,
4443                             "ZIO mode %d enabled; timer delay (%d us).\n",
4444                             ha->zio_mode, ha->zio_timer * 100);
4445
4446                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
4447                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
4448                         vha->flags.process_response_queue = 1;
4449                 }
4450         }
4451
4452         if (rval) {
4453                 ql_log(ql_log_warn, vha, 0x0069,
4454                     "NVRAM configuration failed.\n");
4455         }
4456         return (rval);
4457 }
4458
4459 static void
4460 qla2x00_rport_del(void *data)
4461 {
4462         fc_port_t *fcport = data;
4463         struct fc_rport *rport;
4464         unsigned long flags;
4465
4466         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4467         rport = fcport->drport ? fcport->drport: fcport->rport;
4468         fcport->drport = NULL;
4469         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4470         if (rport) {
4471                 ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
4472                     "%s %8phN. rport %p roles %x\n",
4473                     __func__, fcport->port_name, rport,
4474                     rport->roles);
4475
4476                 fc_remote_port_delete(rport);
4477         }
4478 }
4479
4480 /**
4481  * qla2x00_alloc_fcport() - Allocate a generic fcport.
4482  * @vha: HA context
4483  * @flags: allocation flags
4484  *
4485  * Returns a pointer to the allocated fcport, or NULL, if none available.
4486  */
4487 fc_port_t *
4488 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
4489 {
4490         fc_port_t *fcport;
4491
4492         fcport = kzalloc(sizeof(fc_port_t), flags);
4493         if (!fcport)
4494                 return NULL;
4495
4496         /* Setup fcport template structure. */
4497         fcport->vha = vha;
4498         fcport->port_type = FCT_UNKNOWN;
4499         fcport->loop_id = FC_NO_LOOP_ID;
4500         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
4501         fcport->supported_classes = FC_COS_UNSPECIFIED;
4502
4503         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
4504                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
4505                 flags);
4506         fcport->disc_state = DSC_DELETED;
4507         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4508         fcport->deleted = QLA_SESS_DELETED;
4509         fcport->login_retry = vha->hw->login_retry_count;
4510         fcport->logout_on_delete = 1;
4511
4512         if (!fcport->ct_desc.ct_sns) {
4513                 ql_log(ql_log_warn, vha, 0xd049,
4514                     "Failed to allocate ct_sns request.\n");
4515                 kfree(fcport);
4516                 fcport = NULL;
4517         }
4518         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
4519         INIT_LIST_HEAD(&fcport->gnl_entry);
4520         INIT_LIST_HEAD(&fcport->list);
4521
4522         return fcport;
4523 }
4524
4525 void
4526 qla2x00_free_fcport(fc_port_t *fcport)
4527 {
4528         if (fcport->ct_desc.ct_sns) {
4529                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
4530                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
4531                         fcport->ct_desc.ct_sns_dma);
4532
4533                 fcport->ct_desc.ct_sns = NULL;
4534         }
4535         kfree(fcport);
4536 }
4537
4538 /*
4539  * qla2x00_configure_loop
4540  *      Updates Fibre Channel Device Database with what is actually on loop.
4541  *
4542  * Input:
4543  *      ha                = adapter block pointer.
4544  *
4545  * Returns:
4546  *      0 = success.
4547  *      1 = error.
4548  *      2 = database was full and device was not configured.
4549  */
4550 static int
4551 qla2x00_configure_loop(scsi_qla_host_t *vha)
4552 {
4553         int  rval;
4554         unsigned long flags, save_flags;
4555         struct qla_hw_data *ha = vha->hw;
4556         rval = QLA_SUCCESS;
4557
4558         /* Get Initiator ID */
4559         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
4560                 rval = qla2x00_configure_hba(vha);
4561                 if (rval != QLA_SUCCESS) {
4562                         ql_dbg(ql_dbg_disc, vha, 0x2013,
4563                             "Unable to configure HBA.\n");
4564                         return (rval);
4565                 }
4566         }
4567
4568         save_flags = flags = vha->dpc_flags;
4569         ql_dbg(ql_dbg_disc, vha, 0x2014,
4570             "Configure loop -- dpc flags = 0x%lx.\n", flags);
4571
4572         /*
4573          * If we have both an RSCN and PORT UPDATE pending then handle them
4574          * both at the same time.
4575          */
4576         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4577         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
4578
4579         qla2x00_get_data_rate(vha);
4580
4581         /* Determine what we need to do */
4582         if (ha->current_topology == ISP_CFG_FL &&
4583             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4584
4585                 set_bit(RSCN_UPDATE, &flags);
4586
4587         } else if (ha->current_topology == ISP_CFG_F &&
4588             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4589
4590                 set_bit(RSCN_UPDATE, &flags);
4591                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
4592
4593         } else if (ha->current_topology == ISP_CFG_N) {
4594                 clear_bit(RSCN_UPDATE, &flags);
4595                 if (ha->flags.rida_fmt2) {
4596                         /* With Rida Format 2, the login is already triggered.
4597                          * We know who is on the other side of the wire.
4598                          * No need to login to do login to find out or drop into
4599                          * qla2x00_configure_local_loop().
4600                          */
4601                         clear_bit(LOCAL_LOOP_UPDATE, &flags);
4602                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4603                 } else {
4604                         if (qla_tgt_mode_enabled(vha)) {
4605                                 /* allow the other side to start the login */
4606                                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
4607                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4608                         }
4609                 }
4610         } else if (ha->current_topology == ISP_CFG_NL) {
4611                 clear_bit(RSCN_UPDATE, &flags);
4612                 set_bit(LOCAL_LOOP_UPDATE, &flags);
4613         } else if (!vha->flags.online ||
4614             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
4615                 set_bit(RSCN_UPDATE, &flags);
4616                 set_bit(LOCAL_LOOP_UPDATE, &flags);
4617         }
4618
4619         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
4620                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4621                         ql_dbg(ql_dbg_disc, vha, 0x2015,
4622                             "Loop resync needed, failing.\n");
4623                         rval = QLA_FUNCTION_FAILED;
4624                 } else
4625                         rval = qla2x00_configure_local_loop(vha);
4626         }
4627
4628         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
4629                 if (LOOP_TRANSITION(vha)) {
4630                         ql_dbg(ql_dbg_disc, vha, 0x2099,
4631                             "Needs RSCN update and loop transition.\n");
4632                         rval = QLA_FUNCTION_FAILED;
4633                 }
4634                 else
4635                         rval = qla2x00_configure_fabric(vha);
4636         }
4637
4638         if (rval == QLA_SUCCESS) {
4639                 if (atomic_read(&vha->loop_down_timer) ||
4640                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4641                         rval = QLA_FUNCTION_FAILED;
4642                 } else {
4643                         atomic_set(&vha->loop_state, LOOP_READY);
4644                         ql_dbg(ql_dbg_disc, vha, 0x2069,
4645                             "LOOP READY.\n");
4646                         ha->flags.fw_init_done = 1;
4647
4648                         /*
4649                          * Process any ATIO queue entries that came in
4650                          * while we weren't online.
4651                          */
4652                         if (qla_tgt_mode_enabled(vha) ||
4653                             qla_dual_mode_enabled(vha)) {
4654                                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha)) {
4655                                         spin_lock_irqsave(&ha->tgt.atio_lock,
4656                                             flags);
4657                                         qlt_24xx_process_atio_queue(vha, 0);
4658                                         spin_unlock_irqrestore(
4659                                             &ha->tgt.atio_lock, flags);
4660                                 } else {
4661                                         spin_lock_irqsave(&ha->hardware_lock,
4662                                             flags);
4663                                         qlt_24xx_process_atio_queue(vha, 1);
4664                                         spin_unlock_irqrestore(
4665                                             &ha->hardware_lock, flags);
4666                                 }
4667                         }
4668                 }
4669         }
4670
4671         if (rval) {
4672                 ql_dbg(ql_dbg_disc, vha, 0x206a,
4673                     "%s *** FAILED ***.\n", __func__);
4674         } else {
4675                 ql_dbg(ql_dbg_disc, vha, 0x206b,
4676                     "%s: exiting normally.\n", __func__);
4677         }
4678
4679         /* Restore state if a resync event occurred during processing */
4680         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4681                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
4682                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4683                 if (test_bit(RSCN_UPDATE, &save_flags)) {
4684                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
4685                 }
4686         }
4687
4688         return (rval);
4689 }
4690
4691 /*
4692  * N2N Login
4693  *      Updates Fibre Channel Device Database with local loop devices.
4694  *
4695  * Input:
4696  *      ha = adapter block pointer.
4697  *
4698  * Returns:
4699  */
4700 static int qla24xx_n2n_handle_login(struct scsi_qla_host *vha,
4701                                     fc_port_t *fcport)
4702 {
4703         struct qla_hw_data *ha = vha->hw;
4704         int     res = QLA_SUCCESS, rval;
4705         int     greater_wwpn = 0;
4706         int     logged_in = 0;
4707
4708         if (ha->current_topology != ISP_CFG_N)
4709                 return res;
4710
4711         if (wwn_to_u64(vha->port_name) >
4712             wwn_to_u64(vha->n2n_port_name)) {
4713                 ql_dbg(ql_dbg_disc, vha, 0x2002,
4714                     "HBA WWPN is greater %llx > target %llx\n",
4715                     wwn_to_u64(vha->port_name),
4716                     wwn_to_u64(vha->n2n_port_name));
4717                 greater_wwpn = 1;
4718                 fcport->d_id.b24 = vha->n2n_id;
4719         }
4720
4721         fcport->loop_id = vha->loop_id;
4722         fcport->fc4f_nvme = 0;
4723         fcport->query = 1;
4724
4725         ql_dbg(ql_dbg_disc, vha, 0x4001,
4726             "Initiate N2N login handler: HBA port_id=%06x loopid=%d\n",
4727             fcport->d_id.b24, vha->loop_id);
4728
4729         /* Fill in member data. */
4730         if (!greater_wwpn) {
4731                 rval = qla2x00_get_port_database(vha, fcport, 0);
4732                 ql_dbg(ql_dbg_disc, vha, 0x1051,
4733                     "Remote login-state (%x/%x) port_id=%06x loop_id=%x, rval=%d\n",
4734                     fcport->current_login_state, fcport->last_login_state,
4735                     fcport->d_id.b24, fcport->loop_id, rval);
4736
4737                 if (((fcport->current_login_state & 0xf) == 0x4) ||
4738                     ((fcport->current_login_state & 0xf) == 0x6))
4739                         logged_in = 1;
4740         }
4741
4742         if (logged_in || greater_wwpn) {
4743                 if (!vha->nvme_local_port && vha->flags.nvme_enabled)
4744                         qla_nvme_register_hba(vha);
4745
4746                 /* Set connected N_Port d_id */
4747                 if (vha->flags.nvme_enabled)
4748                         fcport->fc4f_nvme = 1;
4749
4750                 fcport->scan_state = QLA_FCPORT_FOUND;
4751                 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4752                 fcport->disc_state = DSC_GNL;
4753                 fcport->n2n_flag = 1;
4754                 fcport->flags = 3;
4755                 vha->hw->flags.gpsc_supported = 0;
4756
4757                 if (greater_wwpn) {
4758                         ql_dbg(ql_dbg_disc, vha, 0x20e5,
4759                             "%s %d PLOGI ELS %8phC\n",
4760                             __func__, __LINE__, fcport->port_name);
4761
4762                         res = qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
4763                             fcport, fcport->d_id);
4764                 }
4765
4766                 if (res != QLA_SUCCESS) {
4767                         ql_log(ql_log_info, vha, 0xd04d,
4768                             "PLOGI Failed: portid=%06x - retrying\n",
4769                             fcport->d_id.b24);
4770                         res = QLA_SUCCESS;
4771                 } else {
4772                         /* State 0x6 means FCP PRLI complete */
4773                         if ((fcport->current_login_state & 0xf) == 0x6) {
4774                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
4775                                     "%s %d %8phC post GPDB work\n",
4776                                     __func__, __LINE__, fcport->port_name);
4777                                 fcport->chip_reset =
4778                                     vha->hw->base_qpair->chip_reset;
4779                                 qla24xx_post_gpdb_work(vha, fcport, 0);
4780                         } else {
4781                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
4782                                     "%s %d %8phC post NVMe PRLI\n",
4783                                     __func__, __LINE__, fcport->port_name);
4784                                 qla24xx_post_prli_work(vha, fcport);
4785                         }
4786                 }
4787         } else {
4788                 /* Wait for next database change */
4789                 set_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags);
4790         }
4791
4792         return res;
4793 }
4794
4795 /*
4796  * qla2x00_configure_local_loop
4797  *      Updates Fibre Channel Device Database with local loop devices.
4798  *
4799  * Input:
4800  *      ha = adapter block pointer.
4801  *
4802  * Returns:
4803  *      0 = success.
4804  */
4805 static int
4806 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
4807 {
4808         int             rval, rval2;
4809         int             found_devs;
4810         int             found;
4811         fc_port_t       *fcport, *new_fcport;
4812
4813         uint16_t        index;
4814         uint16_t        entries;
4815         char            *id_iter;
4816         uint16_t        loop_id;
4817         uint8_t         domain, area, al_pa;
4818         struct qla_hw_data *ha = vha->hw;
4819         unsigned long flags;
4820
4821         found_devs = 0;
4822         new_fcport = NULL;
4823         entries = MAX_FIBRE_DEVICES_LOOP;
4824
4825         /* Get list of logged in devices. */
4826         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
4827         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
4828             &entries);
4829         if (rval != QLA_SUCCESS)
4830                 goto cleanup_allocation;
4831
4832         ql_dbg(ql_dbg_disc, vha, 0x2011,
4833             "Entries in ID list (%d).\n", entries);
4834         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
4835             (uint8_t *)ha->gid_list,
4836             entries * sizeof(struct gid_list_info));
4837
4838         list_for_each_entry(fcport, &vha->vp_fcports, list) {
4839                 fcport->scan_state = QLA_FCPORT_SCAN;
4840         }
4841
4842         /* Allocate temporary fcport for any new fcports discovered. */
4843         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4844         if (new_fcport == NULL) {
4845                 ql_log(ql_log_warn, vha, 0x2012,
4846                     "Memory allocation failed for fcport.\n");
4847                 rval = QLA_MEMORY_ALLOC_FAILED;
4848                 goto cleanup_allocation;
4849         }
4850         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
4851
4852         /* Inititae N2N login. */
4853         if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
4854                 rval = qla24xx_n2n_handle_login(vha, new_fcport);
4855                 if (rval != QLA_SUCCESS)
4856                         goto cleanup_allocation;
4857                 return QLA_SUCCESS;
4858         }
4859
4860         /* Add devices to port list. */
4861         id_iter = (char *)ha->gid_list;
4862         for (index = 0; index < entries; index++) {
4863                 domain = ((struct gid_list_info *)id_iter)->domain;
4864                 area = ((struct gid_list_info *)id_iter)->area;
4865                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
4866                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
4867                         loop_id = (uint16_t)
4868                             ((struct gid_list_info *)id_iter)->loop_id_2100;
4869                 else
4870                         loop_id = le16_to_cpu(
4871                             ((struct gid_list_info *)id_iter)->loop_id);
4872                 id_iter += ha->gid_list_info_size;
4873
4874                 /* Bypass reserved domain fields. */
4875                 if ((domain & 0xf0) == 0xf0)
4876                         continue;
4877
4878                 /* Bypass if not same domain and area of adapter. */
4879                 if (area && domain &&
4880                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
4881                         continue;
4882
4883                 /* Bypass invalid local loop ID. */
4884                 if (loop_id > LAST_LOCAL_LOOP_ID)
4885                         continue;
4886
4887                 memset(new_fcport->port_name, 0, WWN_SIZE);
4888
4889                 /* Fill in member data. */
4890                 new_fcport->d_id.b.domain = domain;
4891                 new_fcport->d_id.b.area = area;
4892                 new_fcport->d_id.b.al_pa = al_pa;
4893                 new_fcport->loop_id = loop_id;
4894                 new_fcport->scan_state = QLA_FCPORT_FOUND;
4895
4896                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
4897                 if (rval2 != QLA_SUCCESS) {
4898                         ql_dbg(ql_dbg_disc, vha, 0x2097,
4899                             "Failed to retrieve fcport information "
4900                             "-- get_port_database=%x, loop_id=0x%04x.\n",
4901                             rval2, new_fcport->loop_id);
4902                         /* Skip retry if N2N */
4903                         if (ha->current_topology != ISP_CFG_N) {
4904                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
4905                                     "Scheduling resync.\n");
4906                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4907                                 continue;
4908                         }
4909                 }
4910
4911                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4912                 /* Check for matching device in port list. */
4913                 found = 0;
4914                 fcport = NULL;
4915                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4916                         if (memcmp(new_fcport->port_name, fcport->port_name,
4917                             WWN_SIZE))
4918                                 continue;
4919
4920                         fcport->flags &= ~FCF_FABRIC_DEVICE;
4921                         fcport->loop_id = new_fcport->loop_id;
4922                         fcport->port_type = new_fcport->port_type;
4923                         fcport->d_id.b24 = new_fcport->d_id.b24;
4924                         memcpy(fcport->node_name, new_fcport->node_name,
4925                             WWN_SIZE);
4926                         fcport->scan_state = QLA_FCPORT_FOUND;
4927                         found++;
4928                         break;
4929                 }
4930
4931                 if (!found) {
4932                         /* New device, add to fcports list. */
4933                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
4934
4935                         /* Allocate a new replacement fcport. */
4936                         fcport = new_fcport;
4937
4938                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4939
4940                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4941
4942                         if (new_fcport == NULL) {
4943                                 ql_log(ql_log_warn, vha, 0xd031,
4944                                     "Failed to allocate memory for fcport.\n");
4945                                 rval = QLA_MEMORY_ALLOC_FAILED;
4946                                 goto cleanup_allocation;
4947                         }
4948                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4949                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
4950                 }
4951
4952                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4953
4954                 /* Base iIDMA settings on HBA port speed. */
4955                 fcport->fp_speed = ha->link_data_rate;
4956
4957                 found_devs++;
4958         }
4959
4960         list_for_each_entry(fcport, &vha->vp_fcports, list) {
4961                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4962                         break;
4963
4964                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
4965                         if ((qla_dual_mode_enabled(vha) ||
4966                             qla_ini_mode_enabled(vha)) &&
4967                             atomic_read(&fcport->state) == FCS_ONLINE) {
4968                                 qla2x00_mark_device_lost(vha, fcport,
4969                                         ql2xplogiabsentdevice, 0);
4970                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
4971                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
4972                                     fcport->port_type != FCT_INITIATOR &&
4973                                     fcport->port_type != FCT_BROADCAST) {
4974                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
4975                                             "%s %d %8phC post del sess\n",
4976                                             __func__, __LINE__,
4977                                             fcport->port_name);
4978
4979                                         qlt_schedule_sess_for_deletion(fcport);
4980                                         continue;
4981                                 }
4982                         }
4983                 }
4984
4985                 if (fcport->scan_state == QLA_FCPORT_FOUND)
4986                         qla24xx_fcport_handle_login(vha, fcport);
4987         }
4988
4989 cleanup_allocation:
4990         kfree(new_fcport);
4991
4992         if (rval != QLA_SUCCESS) {
4993                 ql_dbg(ql_dbg_disc, vha, 0x2098,
4994                     "Configure local loop error exit: rval=%x.\n", rval);
4995         }
4996
4997         return (rval);
4998 }
4999
5000 static void
5001 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5002 {
5003         int rval;
5004         uint16_t mb[MAILBOX_REGISTER_COUNT];
5005         struct qla_hw_data *ha = vha->hw;
5006
5007         if (!IS_IIDMA_CAPABLE(ha))
5008                 return;
5009
5010         if (atomic_read(&fcport->state) != FCS_ONLINE)
5011                 return;
5012
5013         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5014             fcport->fp_speed > ha->link_data_rate ||
5015             !ha->flags.gpsc_supported)
5016                 return;
5017
5018         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5019             mb);
5020         if (rval != QLA_SUCCESS) {
5021                 ql_dbg(ql_dbg_disc, vha, 0x2004,
5022                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5023                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5024         } else {
5025                 ql_dbg(ql_dbg_disc, vha, 0x2005,
5026                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5027                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5028                     fcport->fp_speed, fcport->port_name);
5029         }
5030 }
5031
5032 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5033 {
5034         qla2x00_iidma_fcport(vha, fcport);
5035         qla24xx_update_fcport_fcp_prio(vha, fcport);
5036 }
5037
5038 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5039 {
5040         struct qla_work_evt *e;
5041
5042         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5043         if (!e)
5044                 return QLA_FUNCTION_FAILED;
5045
5046         e->u.fcport.fcport = fcport;
5047         return qla2x00_post_work(vha, e);
5048 }
5049
5050 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5051 static void
5052 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5053 {
5054         struct fc_rport_identifiers rport_ids;
5055         struct fc_rport *rport;
5056         unsigned long flags;
5057
5058         rport_ids.node_name = wwn_to_u64(fcport->node_name);
5059         rport_ids.port_name = wwn_to_u64(fcport->port_name);
5060         rport_ids.port_id = fcport->d_id.b.domain << 16 |
5061             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5062         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5063         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5064         if (!rport) {
5065                 ql_log(ql_log_warn, vha, 0x2006,
5066                     "Unable to allocate fc remote port.\n");
5067                 return;
5068         }
5069
5070         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5071         *((fc_port_t **)rport->dd_data) = fcport;
5072         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5073
5074         rport->supported_classes = fcport->supported_classes;
5075
5076         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5077         if (fcport->port_type == FCT_INITIATOR)
5078                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
5079         if (fcport->port_type == FCT_TARGET)
5080                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
5081
5082         ql_dbg(ql_dbg_disc, vha, 0x20ee,
5083             "%s %8phN. rport %p is %s mode\n",
5084             __func__, fcport->port_name, rport,
5085             (fcport->port_type == FCT_TARGET) ? "tgt" : "ini");
5086
5087         fc_remote_port_rolechg(rport, rport_ids.roles);
5088 }
5089
5090 /*
5091  * qla2x00_update_fcport
5092  *      Updates device on list.
5093  *
5094  * Input:
5095  *      ha = adapter block pointer.
5096  *      fcport = port structure pointer.
5097  *
5098  * Return:
5099  *      0  - Success
5100  *  BIT_0 - error
5101  *
5102  * Context:
5103  *      Kernel context.
5104  */
5105 void
5106 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5107 {
5108         fcport->vha = vha;
5109
5110         if (IS_SW_RESV_ADDR(fcport->d_id))
5111                 return;
5112
5113         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5114             __func__, fcport->port_name);
5115
5116         if (IS_QLAFX00(vha->hw)) {
5117                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5118         } else {
5119                 fcport->login_retry = 0;
5120                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5121                 fcport->disc_state = DSC_LOGIN_COMPLETE;
5122                 fcport->deleted = 0;
5123                 fcport->logout_on_delete = 1;
5124                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5125         }
5126
5127         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5128         qla2x00_iidma_fcport(vha, fcport);
5129
5130         if (fcport->fc4f_nvme) {
5131                 qla_nvme_register_remote(vha, fcport);
5132                 return;
5133         }
5134
5135         qla24xx_update_fcport_fcp_prio(vha, fcport);
5136
5137         switch (vha->host->active_mode) {
5138         case MODE_INITIATOR:
5139                 qla2x00_reg_remote_port(vha, fcport);
5140                 break;
5141         case MODE_TARGET:
5142                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5143                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5144                         qlt_fc_port_added(vha, fcport);
5145                 break;
5146         case MODE_DUAL:
5147                 qla2x00_reg_remote_port(vha, fcport);
5148                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5149                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5150                         qlt_fc_port_added(vha, fcport);
5151                 break;
5152         default:
5153                 break;
5154         }
5155
5156         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5157                 if (fcport->id_changed) {
5158                         fcport->id_changed = 0;
5159                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5160                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
5161                             __func__, __LINE__, fcport->port_name,
5162                             vha->fcport_count);
5163                         qla24xx_post_gfpnid_work(vha, fcport);
5164                 } else {
5165                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5166                             "%s %d %8phC post gpsc fcp_cnt %d\n",
5167                             __func__, __LINE__, fcport->port_name,
5168                             vha->fcport_count);
5169                         qla24xx_post_gpsc_work(vha, fcport);
5170                 }
5171         }
5172 }
5173
5174 /*
5175  * qla2x00_configure_fabric
5176  *      Setup SNS devices with loop ID's.
5177  *
5178  * Input:
5179  *      ha = adapter block pointer.
5180  *
5181  * Returns:
5182  *      0 = success.
5183  *      BIT_0 = error
5184  */
5185 static int
5186 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5187 {
5188         int     rval;
5189         fc_port_t       *fcport;
5190         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5191         uint16_t        loop_id;
5192         LIST_HEAD(new_fcports);
5193         struct qla_hw_data *ha = vha->hw;
5194         int             discovery_gen;
5195
5196         /* If FL port exists, then SNS is present */
5197         if (IS_FWI2_CAPABLE(ha))
5198                 loop_id = NPH_F_PORT;
5199         else
5200                 loop_id = SNS_FL_PORT;
5201         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5202         if (rval != QLA_SUCCESS) {
5203                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
5204                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
5205
5206                 vha->device_flags &= ~SWITCH_FOUND;
5207                 return (QLA_SUCCESS);
5208         }
5209         vha->device_flags |= SWITCH_FOUND;
5210
5211
5212         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5213                 rval = qla2x00_send_change_request(vha, 0x3, 0);
5214                 if (rval != QLA_SUCCESS)
5215                         ql_log(ql_log_warn, vha, 0x121,
5216                                 "Failed to enable receiving of RSCN requests: 0x%x.\n",
5217                                 rval);
5218         }
5219
5220
5221         do {
5222                 qla2x00_mgmt_svr_login(vha);
5223
5224                 /* FDMI support. */
5225                 if (ql2xfdmienable &&
5226                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
5227                         qla2x00_fdmi_register(vha);
5228
5229                 /* Ensure we are logged into the SNS. */
5230                 loop_id = NPH_SNS_LID(ha);
5231                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5232                     0xfc, mb, BIT_1|BIT_0);
5233                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5234                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
5235                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
5236                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5237                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5238                         return rval;
5239                 }
5240                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
5241                         if (qla2x00_rft_id(vha)) {
5242                                 /* EMPTY */
5243                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
5244                                     "Register FC-4 TYPE failed.\n");
5245                                 if (test_bit(LOOP_RESYNC_NEEDED,
5246                                     &vha->dpc_flags))
5247                                         break;
5248                         }
5249                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
5250                                 /* EMPTY */
5251                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
5252                                     "Register FC-4 Features failed.\n");
5253                                 if (test_bit(LOOP_RESYNC_NEEDED,
5254                                     &vha->dpc_flags))
5255                                         break;
5256                         }
5257                         if (vha->flags.nvme_enabled) {
5258                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
5259                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
5260                                             "Register NVME FC Type Features failed.\n");
5261                                 }
5262                         }
5263                         if (qla2x00_rnn_id(vha)) {
5264                                 /* EMPTY */
5265                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
5266                                     "Register Node Name failed.\n");
5267                                 if (test_bit(LOOP_RESYNC_NEEDED,
5268                                     &vha->dpc_flags))
5269                                         break;
5270                         } else if (qla2x00_rsnn_nn(vha)) {
5271                                 /* EMPTY */
5272                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
5273                                     "Register Symbolic Node Name failed.\n");
5274                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5275                                         break;
5276                         }
5277                 }
5278
5279
5280                 /* Mark the time right before querying FW for connected ports.
5281                  * This process is long, asynchronous and by the time it's done,
5282                  * collected information might not be accurate anymore. E.g.
5283                  * disconnected port might have re-connected and a brand new
5284                  * session has been created. In this case session's generation
5285                  * will be newer than discovery_gen. */
5286                 qlt_do_generation_tick(vha, &discovery_gen);
5287
5288                 if (USE_ASYNC_SCAN(ha)) {
5289                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
5290                             NULL);
5291                         if (rval)
5292                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5293                 } else  {
5294                         list_for_each_entry(fcport, &vha->vp_fcports, list)
5295                                 fcport->scan_state = QLA_FCPORT_SCAN;
5296
5297                         rval = qla2x00_find_all_fabric_devs(vha);
5298                 }
5299                 if (rval != QLA_SUCCESS)
5300                         break;
5301         } while (0);
5302
5303         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
5304                 qla_nvme_register_hba(vha);
5305
5306         if (rval)
5307                 ql_dbg(ql_dbg_disc, vha, 0x2068,
5308                     "Configure fabric error exit rval=%d.\n", rval);
5309
5310         return (rval);
5311 }
5312
5313 /*
5314  * qla2x00_find_all_fabric_devs
5315  *
5316  * Input:
5317  *      ha = adapter block pointer.
5318  *      dev = database device entry pointer.
5319  *
5320  * Returns:
5321  *      0 = success.
5322  *
5323  * Context:
5324  *      Kernel context.
5325  */
5326 static int
5327 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
5328 {
5329         int             rval;
5330         uint16_t        loop_id;
5331         fc_port_t       *fcport, *new_fcport;
5332         int             found;
5333
5334         sw_info_t       *swl;
5335         int             swl_idx;
5336         int             first_dev, last_dev;
5337         port_id_t       wrap = {}, nxt_d_id;
5338         struct qla_hw_data *ha = vha->hw;
5339         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5340         unsigned long flags;
5341
5342         rval = QLA_SUCCESS;
5343
5344         /* Try GID_PT to get device list, else GAN. */
5345         if (!ha->swl)
5346                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5347                     GFP_KERNEL);
5348         swl = ha->swl;
5349         if (!swl) {
5350                 /*EMPTY*/
5351                 ql_dbg(ql_dbg_disc, vha, 0x209c,
5352                     "GID_PT allocations failed, fallback on GA_NXT.\n");
5353         } else {
5354                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5355                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
5356                         swl = NULL;
5357                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5358                                 return rval;
5359                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
5360                         swl = NULL;
5361                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5362                                 return rval;
5363                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
5364                         swl = NULL;
5365                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5366                                 return rval;
5367                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
5368                         swl = NULL;
5369                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5370                                 return rval;
5371                 }
5372
5373                 /* If other queries succeeded probe for FC-4 type */
5374                 if (swl) {
5375                         qla2x00_gff_id(vha, swl);
5376                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5377                                 return rval;
5378                 }
5379         }
5380         swl_idx = 0;
5381
5382         /* Allocate temporary fcport for any new fcports discovered. */
5383         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5384         if (new_fcport == NULL) {
5385                 ql_log(ql_log_warn, vha, 0x209d,
5386                     "Failed to allocate memory for fcport.\n");
5387                 return (QLA_MEMORY_ALLOC_FAILED);
5388         }
5389         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5390         /* Set start port ID scan at adapter ID. */
5391         first_dev = 1;
5392         last_dev = 0;
5393
5394         /* Starting free loop ID. */
5395         loop_id = ha->min_external_loopid;
5396         for (; loop_id <= ha->max_loop_id; loop_id++) {
5397                 if (qla2x00_is_reserved_id(vha, loop_id))
5398                         continue;
5399
5400                 if (ha->current_topology == ISP_CFG_FL &&
5401                     (atomic_read(&vha->loop_down_timer) ||
5402                      LOOP_TRANSITION(vha))) {
5403                         atomic_set(&vha->loop_down_timer, 0);
5404                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5405                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5406                         break;
5407                 }
5408
5409                 if (swl != NULL) {
5410                         if (last_dev) {
5411                                 wrap.b24 = new_fcport->d_id.b24;
5412                         } else {
5413                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
5414                                 memcpy(new_fcport->node_name,
5415                                     swl[swl_idx].node_name, WWN_SIZE);
5416                                 memcpy(new_fcport->port_name,
5417                                     swl[swl_idx].port_name, WWN_SIZE);
5418                                 memcpy(new_fcport->fabric_port_name,
5419                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
5420                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
5421                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
5422
5423                                 new_fcport->nvme_flag = 0;
5424                                 new_fcport->fc4f_nvme = 0;
5425                                 if (vha->flags.nvme_enabled &&
5426                                     swl[swl_idx].fc4f_nvme) {
5427                                         new_fcport->fc4f_nvme =
5428                                             swl[swl_idx].fc4f_nvme;
5429                                         ql_log(ql_log_info, vha, 0x2131,
5430                                             "FOUND: NVME port %8phC as FC Type 28h\n",
5431                                             new_fcport->port_name);
5432                                 }
5433
5434                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
5435                                         last_dev = 1;
5436                                 }
5437                                 swl_idx++;
5438                         }
5439                 } else {
5440                         /* Send GA_NXT to the switch */
5441                         rval = qla2x00_ga_nxt(vha, new_fcport);
5442                         if (rval != QLA_SUCCESS) {
5443                                 ql_log(ql_log_warn, vha, 0x209e,
5444                                     "SNS scan failed -- assuming "
5445                                     "zero-entry result.\n");
5446                                 rval = QLA_SUCCESS;
5447                                 break;
5448                         }
5449                 }
5450
5451                 /* If wrap on switch device list, exit. */
5452                 if (first_dev) {
5453                         wrap.b24 = new_fcport->d_id.b24;
5454                         first_dev = 0;
5455                 } else if (new_fcport->d_id.b24 == wrap.b24) {
5456                         ql_dbg(ql_dbg_disc, vha, 0x209f,
5457                             "Device wrap (%02x%02x%02x).\n",
5458                             new_fcport->d_id.b.domain,
5459                             new_fcport->d_id.b.area,
5460                             new_fcport->d_id.b.al_pa);
5461                         break;
5462                 }
5463
5464                 /* Bypass if same physical adapter. */
5465                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
5466                         continue;
5467
5468                 /* Bypass virtual ports of the same host. */
5469                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
5470                         continue;
5471
5472                 /* Bypass if same domain and area of adapter. */
5473                 if (((new_fcport->d_id.b24 & 0xffff00) ==
5474                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
5475                         ISP_CFG_FL)
5476                             continue;
5477
5478                 /* Bypass reserved domain fields. */
5479                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
5480                         continue;
5481
5482                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
5483                 if (ql2xgffidenable &&
5484                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
5485                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
5486                         continue;
5487
5488                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5489
5490                 /* Locate matching device in database. */
5491                 found = 0;
5492                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5493                         if (memcmp(new_fcport->port_name, fcport->port_name,
5494                             WWN_SIZE))
5495                                 continue;
5496
5497                         fcport->scan_state = QLA_FCPORT_FOUND;
5498
5499                         found++;
5500
5501                         /* Update port state. */
5502                         memcpy(fcport->fabric_port_name,
5503                             new_fcport->fabric_port_name, WWN_SIZE);
5504                         fcport->fp_speed = new_fcport->fp_speed;
5505
5506                         /*
5507                          * If address the same and state FCS_ONLINE
5508                          * (or in target mode), nothing changed.
5509                          */
5510                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
5511                             (atomic_read(&fcport->state) == FCS_ONLINE ||
5512                              (vha->host->active_mode == MODE_TARGET))) {
5513                                 break;
5514                         }
5515
5516                         /*
5517                          * If device was not a fabric device before.
5518                          */
5519                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
5520                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5521                                 qla2x00_clear_loop_id(fcport);
5522                                 fcport->flags |= (FCF_FABRIC_DEVICE |
5523                                     FCF_LOGIN_NEEDED);
5524                                 break;
5525                         }
5526
5527                         /*
5528                          * Port ID changed or device was marked to be updated;
5529                          * Log it out if still logged in and mark it for
5530                          * relogin later.
5531                          */
5532                         if (qla_tgt_mode_enabled(base_vha)) {
5533                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
5534                                          "port changed FC ID, %8phC"
5535                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
5536                                          fcport->port_name,
5537                                          fcport->d_id.b.domain,
5538                                          fcport->d_id.b.area,
5539                                          fcport->d_id.b.al_pa,
5540                                          fcport->loop_id,
5541                                          new_fcport->d_id.b.domain,
5542                                          new_fcport->d_id.b.area,
5543                                          new_fcport->d_id.b.al_pa);
5544                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5545                                 break;
5546                         }
5547
5548                         fcport->d_id.b24 = new_fcport->d_id.b24;
5549                         fcport->flags |= FCF_LOGIN_NEEDED;
5550                         break;
5551                 }
5552
5553                 if (fcport->fc4f_nvme) {
5554                         if (fcport->disc_state == DSC_DELETE_PEND) {
5555                                 fcport->disc_state = DSC_GNL;
5556                                 vha->fcport_count--;
5557                                 fcport->login_succ = 0;
5558                         }
5559                 }
5560
5561                 if (found) {
5562                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5563                         continue;
5564                 }
5565                 /* If device was not in our fcports list, then add it. */
5566                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5567                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
5568
5569                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5570
5571
5572                 /* Allocate a new replacement fcport. */
5573                 nxt_d_id.b24 = new_fcport->d_id.b24;
5574                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5575                 if (new_fcport == NULL) {
5576                         ql_log(ql_log_warn, vha, 0xd032,
5577                             "Memory allocation failed for fcport.\n");
5578                         return (QLA_MEMORY_ALLOC_FAILED);
5579                 }
5580                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5581                 new_fcport->d_id.b24 = nxt_d_id.b24;
5582         }
5583
5584         qla2x00_free_fcport(new_fcport);
5585
5586         /*
5587          * Logout all previous fabric dev marked lost, except FCP2 devices.
5588          */
5589         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5590                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5591                         break;
5592
5593                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
5594                     (fcport->flags & FCF_LOGIN_NEEDED) == 0)
5595                         continue;
5596
5597                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5598                         if ((qla_dual_mode_enabled(vha) ||
5599                             qla_ini_mode_enabled(vha)) &&
5600                             atomic_read(&fcport->state) == FCS_ONLINE) {
5601                                 qla2x00_mark_device_lost(vha, fcport,
5602                                         ql2xplogiabsentdevice, 0);
5603                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5604                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5605                                     fcport->port_type != FCT_INITIATOR &&
5606                                     fcport->port_type != FCT_BROADCAST) {
5607                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5608                                             "%s %d %8phC post del sess\n",
5609                                             __func__, __LINE__,
5610                                             fcport->port_name);
5611                                         qlt_schedule_sess_for_deletion(fcport);
5612                                         continue;
5613                                 }
5614                         }
5615                 }
5616
5617                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5618                         qla24xx_fcport_handle_login(vha, fcport);
5619         }
5620         return (rval);
5621 }
5622
5623 /*
5624  * qla2x00_find_new_loop_id
5625  *      Scan through our port list and find a new usable loop ID.
5626  *
5627  * Input:
5628  *      ha:     adapter state pointer.
5629  *      dev:    port structure pointer.
5630  *
5631  * Returns:
5632  *      qla2x00 local function return status code.
5633  *
5634  * Context:
5635  *      Kernel context.
5636  */
5637 int
5638 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
5639 {
5640         int     rval;
5641         struct qla_hw_data *ha = vha->hw;
5642         unsigned long flags = 0;
5643
5644         rval = QLA_SUCCESS;
5645
5646         spin_lock_irqsave(&ha->vport_slock, flags);
5647
5648         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
5649             LOOPID_MAP_SIZE);
5650         if (dev->loop_id >= LOOPID_MAP_SIZE ||
5651             qla2x00_is_reserved_id(vha, dev->loop_id)) {
5652                 dev->loop_id = FC_NO_LOOP_ID;
5653                 rval = QLA_FUNCTION_FAILED;
5654         } else
5655                 set_bit(dev->loop_id, ha->loop_id_map);
5656
5657         spin_unlock_irqrestore(&ha->vport_slock, flags);
5658
5659         if (rval == QLA_SUCCESS)
5660                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
5661                     "Assigning new loopid=%x, portid=%x.\n",
5662                     dev->loop_id, dev->d_id.b24);
5663         else
5664                 ql_log(ql_log_warn, dev->vha, 0x2087,
5665                     "No loop_id's available, portid=%x.\n",
5666                     dev->d_id.b24);
5667
5668         return (rval);
5669 }
5670
5671
5672 /*
5673  * qla2x00_fabric_login
5674  *      Issue fabric login command.
5675  *
5676  * Input:
5677  *      ha = adapter block pointer.
5678  *      device = pointer to FC device type structure.
5679  *
5680  * Returns:
5681  *      0 - Login successfully
5682  *      1 - Login failed
5683  *      2 - Initiator device
5684  *      3 - Fatal error
5685  */
5686 int
5687 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
5688     uint16_t *next_loopid)
5689 {
5690         int     rval;
5691         int     retry;
5692         uint16_t tmp_loopid;
5693         uint16_t mb[MAILBOX_REGISTER_COUNT];
5694         struct qla_hw_data *ha = vha->hw;
5695
5696         retry = 0;
5697         tmp_loopid = 0;
5698
5699         for (;;) {
5700                 ql_dbg(ql_dbg_disc, vha, 0x2000,
5701                     "Trying Fabric Login w/loop id 0x%04x for port "
5702                     "%02x%02x%02x.\n",
5703                     fcport->loop_id, fcport->d_id.b.domain,
5704                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
5705
5706                 /* Login fcport on switch. */
5707                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
5708                     fcport->d_id.b.domain, fcport->d_id.b.area,
5709                     fcport->d_id.b.al_pa, mb, BIT_0);
5710                 if (rval != QLA_SUCCESS) {
5711                         return rval;
5712                 }
5713                 if (mb[0] == MBS_PORT_ID_USED) {
5714                         /*
5715                          * Device has another loop ID.  The firmware team
5716                          * recommends the driver perform an implicit login with
5717                          * the specified ID again. The ID we just used is save
5718                          * here so we return with an ID that can be tried by
5719                          * the next login.
5720                          */
5721                         retry++;
5722                         tmp_loopid = fcport->loop_id;
5723                         fcport->loop_id = mb[1];
5724
5725                         ql_dbg(ql_dbg_disc, vha, 0x2001,
5726                             "Fabric Login: port in use - next loop "
5727                             "id=0x%04x, port id= %02x%02x%02x.\n",
5728                             fcport->loop_id, fcport->d_id.b.domain,
5729                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
5730
5731                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
5732                         /*
5733                          * Login succeeded.
5734                          */
5735                         if (retry) {
5736                                 /* A retry occurred before. */
5737                                 *next_loopid = tmp_loopid;
5738                         } else {
5739                                 /*
5740                                  * No retry occurred before. Just increment the
5741                                  * ID value for next login.
5742                                  */
5743                                 *next_loopid = (fcport->loop_id + 1);
5744                         }
5745
5746                         if (mb[1] & BIT_0) {
5747                                 fcport->port_type = FCT_INITIATOR;
5748                         } else {
5749                                 fcport->port_type = FCT_TARGET;
5750                                 if (mb[1] & BIT_1) {
5751                                         fcport->flags |= FCF_FCP2_DEVICE;
5752                                 }
5753                         }
5754
5755                         if (mb[10] & BIT_0)
5756                                 fcport->supported_classes |= FC_COS_CLASS2;
5757                         if (mb[10] & BIT_1)
5758                                 fcport->supported_classes |= FC_COS_CLASS3;
5759
5760                         if (IS_FWI2_CAPABLE(ha)) {
5761                                 if (mb[10] & BIT_7)
5762                                         fcport->flags |=
5763                                             FCF_CONF_COMP_SUPPORTED;
5764                         }
5765
5766                         rval = QLA_SUCCESS;
5767                         break;
5768                 } else if (mb[0] == MBS_LOOP_ID_USED) {
5769                         /*
5770                          * Loop ID already used, try next loop ID.
5771                          */
5772                         fcport->loop_id++;
5773                         rval = qla2x00_find_new_loop_id(vha, fcport);
5774                         if (rval != QLA_SUCCESS) {
5775                                 /* Ran out of loop IDs to use */
5776                                 break;
5777                         }
5778                 } else if (mb[0] == MBS_COMMAND_ERROR) {
5779                         /*
5780                          * Firmware possibly timed out during login. If NO
5781                          * retries are left to do then the device is declared
5782                          * dead.
5783                          */
5784                         *next_loopid = fcport->loop_id;
5785                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
5786                             fcport->d_id.b.domain, fcport->d_id.b.area,
5787                             fcport->d_id.b.al_pa);
5788                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
5789
5790                         rval = 1;
5791                         break;
5792                 } else {
5793                         /*
5794                          * unrecoverable / not handled error
5795                          */
5796                         ql_dbg(ql_dbg_disc, vha, 0x2002,
5797                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
5798                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
5799                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
5800                             fcport->loop_id, jiffies);
5801
5802                         *next_loopid = fcport->loop_id;
5803                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
5804                             fcport->d_id.b.domain, fcport->d_id.b.area,
5805                             fcport->d_id.b.al_pa);
5806                         qla2x00_clear_loop_id(fcport);
5807                         fcport->login_retry = 0;
5808
5809                         rval = 3;
5810                         break;
5811                 }
5812         }
5813
5814         return (rval);
5815 }
5816
5817 /*
5818  * qla2x00_local_device_login
5819  *      Issue local device login command.
5820  *
5821  * Input:
5822  *      ha = adapter block pointer.
5823  *      loop_id = loop id of device to login to.
5824  *
5825  * Returns (Where's the #define!!!!):
5826  *      0 - Login successfully
5827  *      1 - Login failed
5828  *      3 - Fatal error
5829  */
5830 int
5831 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
5832 {
5833         int             rval;
5834         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5835
5836         memset(mb, 0, sizeof(mb));
5837         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
5838         if (rval == QLA_SUCCESS) {
5839                 /* Interrogate mailbox registers for any errors */
5840                 if (mb[0] == MBS_COMMAND_ERROR)
5841                         rval = 1;
5842                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
5843                         /* device not in PCB table */
5844                         rval = 3;
5845         }
5846
5847         return (rval);
5848 }
5849
5850 /*
5851  *  qla2x00_loop_resync
5852  *      Resync with fibre channel devices.
5853  *
5854  * Input:
5855  *      ha = adapter block pointer.
5856  *
5857  * Returns:
5858  *      0 = success
5859  */
5860 int
5861 qla2x00_loop_resync(scsi_qla_host_t *vha)
5862 {
5863         int rval = QLA_SUCCESS;
5864         uint32_t wait_time;
5865         struct req_que *req;
5866         struct rsp_que *rsp;
5867
5868         req = vha->req;
5869         rsp = req->rsp;
5870
5871         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5872         if (vha->flags.online) {
5873                 if (!(rval = qla2x00_fw_ready(vha))) {
5874                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5875                         wait_time = 256;
5876                         do {
5877                                 if (!IS_QLAFX00(vha->hw)) {
5878                                         /*
5879                                          * Issue a marker after FW becomes
5880                                          * ready.
5881                                          */
5882                                         qla2x00_marker(vha, req, rsp, 0, 0,
5883                                                 MK_SYNC_ALL);
5884                                         vha->marker_needed = 0;
5885                                 }
5886
5887                                 /* Remap devices on Loop. */
5888                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5889
5890                                 if (IS_QLAFX00(vha->hw))
5891                                         qlafx00_configure_devices(vha);
5892                                 else
5893                                         qla2x00_configure_loop(vha);
5894
5895                                 wait_time--;
5896                         } while (!atomic_read(&vha->loop_down_timer) &&
5897                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
5898                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
5899                                 &vha->dpc_flags)));
5900                 }
5901         }
5902
5903         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
5904                 return (QLA_FUNCTION_FAILED);
5905
5906         if (rval)
5907                 ql_dbg(ql_dbg_disc, vha, 0x206c,
5908                     "%s *** FAILED ***.\n", __func__);
5909
5910         return (rval);
5911 }
5912
5913 /*
5914 * qla2x00_perform_loop_resync
5915 * Description: This function will set the appropriate flags and call
5916 *              qla2x00_loop_resync. If successful loop will be resynced
5917 * Arguments : scsi_qla_host_t pointer
5918 * returm    : Success or Failure
5919 */
5920
5921 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
5922 {
5923         int32_t rval = 0;
5924
5925         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
5926                 /*Configure the flags so that resync happens properly*/
5927                 atomic_set(&ha->loop_down_timer, 0);
5928                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
5929                         atomic_set(&ha->loop_state, LOOP_UP);
5930                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
5931                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
5932                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
5933
5934                         rval = qla2x00_loop_resync(ha);
5935                 } else
5936                         atomic_set(&ha->loop_state, LOOP_DEAD);
5937
5938                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
5939         }
5940
5941         return rval;
5942 }
5943
5944 void
5945 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
5946 {
5947         fc_port_t *fcport;
5948         struct scsi_qla_host *vha;
5949         struct qla_hw_data *ha = base_vha->hw;
5950         unsigned long flags;
5951
5952         spin_lock_irqsave(&ha->vport_slock, flags);
5953         /* Go with deferred removal of rport references. */
5954         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
5955                 atomic_inc(&vha->vref_count);
5956                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5957                         if (fcport->drport &&
5958                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
5959                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5960                                 qla2x00_rport_del(fcport);
5961
5962                                 spin_lock_irqsave(&ha->vport_slock, flags);
5963                         }
5964                 }
5965                 atomic_dec(&vha->vref_count);
5966                 wake_up(&vha->vref_waitq);
5967         }
5968         spin_unlock_irqrestore(&ha->vport_slock, flags);
5969 }
5970
5971 /* Assumes idc_lock always held on entry */
5972 void
5973 qla83xx_reset_ownership(scsi_qla_host_t *vha)
5974 {
5975         struct qla_hw_data *ha = vha->hw;
5976         uint32_t drv_presence, drv_presence_mask;
5977         uint32_t dev_part_info1, dev_part_info2, class_type;
5978         uint32_t class_type_mask = 0x3;
5979         uint16_t fcoe_other_function = 0xffff, i;
5980
5981         if (IS_QLA8044(ha)) {
5982                 drv_presence = qla8044_rd_direct(vha,
5983                     QLA8044_CRB_DRV_ACTIVE_INDEX);
5984                 dev_part_info1 = qla8044_rd_direct(vha,
5985                     QLA8044_CRB_DEV_PART_INFO_INDEX);
5986                 dev_part_info2 = qla8044_rd_direct(vha,
5987                     QLA8044_CRB_DEV_PART_INFO2);
5988         } else {
5989                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5990                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
5991                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
5992         }
5993         for (i = 0; i < 8; i++) {
5994                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
5995                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
5996                     (i != ha->portnum)) {
5997                         fcoe_other_function = i;
5998                         break;
5999                 }
6000         }
6001         if (fcoe_other_function == 0xffff) {
6002                 for (i = 0; i < 8; i++) {
6003                         class_type = ((dev_part_info2 >> (i * 4)) &
6004                             class_type_mask);
6005                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6006                             ((i + 8) != ha->portnum)) {
6007                                 fcoe_other_function = i + 8;
6008                                 break;
6009                         }
6010                 }
6011         }
6012         /*
6013          * Prepare drv-presence mask based on fcoe functions present.
6014          * However consider only valid physical fcoe function numbers (0-15).
6015          */
6016         drv_presence_mask = ~((1 << (ha->portnum)) |
6017                         ((fcoe_other_function == 0xffff) ?
6018                          0 : (1 << (fcoe_other_function))));
6019
6020         /* We are the reset owner iff:
6021          *    - No other protocol drivers present.
6022          *    - This is the lowest among fcoe functions. */
6023         if (!(drv_presence & drv_presence_mask) &&
6024                         (ha->portnum < fcoe_other_function)) {
6025                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6026                     "This host is Reset owner.\n");
6027                 ha->flags.nic_core_reset_owner = 1;
6028         }
6029 }
6030
6031 static int
6032 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6033 {
6034         int rval = QLA_SUCCESS;
6035         struct qla_hw_data *ha = vha->hw;
6036         uint32_t drv_ack;
6037
6038         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6039         if (rval == QLA_SUCCESS) {
6040                 drv_ack |= (1 << ha->portnum);
6041                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6042         }
6043
6044         return rval;
6045 }
6046
6047 static int
6048 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6049 {
6050         int rval = QLA_SUCCESS;
6051         struct qla_hw_data *ha = vha->hw;
6052         uint32_t drv_ack;
6053
6054         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6055         if (rval == QLA_SUCCESS) {
6056                 drv_ack &= ~(1 << ha->portnum);
6057                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6058         }
6059
6060         return rval;
6061 }
6062
6063 static const char *
6064 qla83xx_dev_state_to_string(uint32_t dev_state)
6065 {
6066         switch (dev_state) {
6067         case QLA8XXX_DEV_COLD:
6068                 return "COLD/RE-INIT";
6069         case QLA8XXX_DEV_INITIALIZING:
6070                 return "INITIALIZING";
6071         case QLA8XXX_DEV_READY:
6072                 return "READY";
6073         case QLA8XXX_DEV_NEED_RESET:
6074                 return "NEED RESET";
6075         case QLA8XXX_DEV_NEED_QUIESCENT:
6076                 return "NEED QUIESCENT";
6077         case QLA8XXX_DEV_FAILED:
6078                 return "FAILED";
6079         case QLA8XXX_DEV_QUIESCENT:
6080                 return "QUIESCENT";
6081         default:
6082                 return "Unknown";
6083         }
6084 }
6085
6086 /* Assumes idc-lock always held on entry */
6087 void
6088 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6089 {
6090         struct qla_hw_data *ha = vha->hw;
6091         uint32_t idc_audit_reg = 0, duration_secs = 0;
6092
6093         switch (audit_type) {
6094         case IDC_AUDIT_TIMESTAMP:
6095                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6096                 idc_audit_reg = (ha->portnum) |
6097                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6098                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6099                 break;
6100
6101         case IDC_AUDIT_COMPLETION:
6102                 duration_secs = ((jiffies_to_msecs(jiffies) -
6103                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6104                 idc_audit_reg = (ha->portnum) |
6105                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6106                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6107                 break;
6108
6109         default:
6110                 ql_log(ql_log_warn, vha, 0xb078,
6111                     "Invalid audit type specified.\n");
6112                 break;
6113         }
6114 }
6115
6116 /* Assumes idc_lock always held on entry */
6117 static int
6118 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6119 {
6120         struct qla_hw_data *ha = vha->hw;
6121         uint32_t  idc_control, dev_state;
6122
6123         __qla83xx_get_idc_control(vha, &idc_control);
6124         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6125                 ql_log(ql_log_info, vha, 0xb080,
6126                     "NIC Core reset has been disabled. idc-control=0x%x\n",
6127                     idc_control);
6128                 return QLA_FUNCTION_FAILED;
6129         }
6130
6131         /* Set NEED-RESET iff in READY state and we are the reset-owner */
6132         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6133         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6134                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6135                     QLA8XXX_DEV_NEED_RESET);
6136                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6137                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6138         } else {
6139                 const char *state = qla83xx_dev_state_to_string(dev_state);
6140                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
6141
6142                 /* SV: XXX: Is timeout required here? */
6143                 /* Wait for IDC state change READY -> NEED_RESET */
6144                 while (dev_state == QLA8XXX_DEV_READY) {
6145                         qla83xx_idc_unlock(vha, 0);
6146                         msleep(200);
6147                         qla83xx_idc_lock(vha, 0);
6148                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6149                 }
6150         }
6151
6152         /* Send IDC ack by writing to drv-ack register */
6153         __qla83xx_set_drv_ack(vha);
6154
6155         return QLA_SUCCESS;
6156 }
6157
6158 int
6159 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6160 {
6161         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6162 }
6163
6164 int
6165 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6166 {
6167         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6168 }
6169
6170 static int
6171 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6172 {
6173         uint32_t drv_presence = 0;
6174         struct qla_hw_data *ha = vha->hw;
6175
6176         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6177         if (drv_presence & (1 << ha->portnum))
6178                 return QLA_SUCCESS;
6179         else
6180                 return QLA_TEST_FAILED;
6181 }
6182
6183 int
6184 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6185 {
6186         int rval = QLA_SUCCESS;
6187         struct qla_hw_data *ha = vha->hw;
6188
6189         ql_dbg(ql_dbg_p3p, vha, 0xb058,
6190             "Entered  %s().\n", __func__);
6191
6192         if (vha->device_flags & DFLG_DEV_FAILED) {
6193                 ql_log(ql_log_warn, vha, 0xb059,
6194                     "Device in unrecoverable FAILED state.\n");
6195                 return QLA_FUNCTION_FAILED;
6196         }
6197
6198         qla83xx_idc_lock(vha, 0);
6199
6200         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6201                 ql_log(ql_log_warn, vha, 0xb05a,
6202                     "Function=0x%x has been removed from IDC participation.\n",
6203                     ha->portnum);
6204                 rval = QLA_FUNCTION_FAILED;
6205                 goto exit;
6206         }
6207
6208         qla83xx_reset_ownership(vha);
6209
6210         rval = qla83xx_initiating_reset(vha);
6211
6212         /*
6213          * Perform reset if we are the reset-owner,
6214          * else wait till IDC state changes to READY/FAILED.
6215          */
6216         if (rval == QLA_SUCCESS) {
6217                 rval = qla83xx_idc_state_handler(vha);
6218
6219                 if (rval == QLA_SUCCESS)
6220                         ha->flags.nic_core_hung = 0;
6221                 __qla83xx_clear_drv_ack(vha);
6222         }
6223
6224 exit:
6225         qla83xx_idc_unlock(vha, 0);
6226
6227         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6228
6229         return rval;
6230 }
6231
6232 int
6233 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6234 {
6235         struct qla_hw_data *ha = vha->hw;
6236         int rval = QLA_FUNCTION_FAILED;
6237
6238         if (!IS_MCTP_CAPABLE(ha)) {
6239                 /* This message can be removed from the final version */
6240                 ql_log(ql_log_info, vha, 0x506d,
6241                     "This board is not MCTP capable\n");
6242                 return rval;
6243         }
6244
6245         if (!ha->mctp_dump) {
6246                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6247                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6248
6249                 if (!ha->mctp_dump) {
6250                         ql_log(ql_log_warn, vha, 0x506e,
6251                             "Failed to allocate memory for mctp dump\n");
6252                         return rval;
6253                 }
6254         }
6255
6256 #define MCTP_DUMP_STR_ADDR      0x00000000
6257         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6258             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6259         if (rval != QLA_SUCCESS) {
6260                 ql_log(ql_log_warn, vha, 0x506f,
6261                     "Failed to capture mctp dump\n");
6262         } else {
6263                 ql_log(ql_log_info, vha, 0x5070,
6264                     "Mctp dump capture for host (%ld/%p).\n",
6265                     vha->host_no, ha->mctp_dump);
6266                 ha->mctp_dumped = 1;
6267         }
6268
6269         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6270                 ha->flags.nic_core_reset_hdlr_active = 1;
6271                 rval = qla83xx_restart_nic_firmware(vha);
6272                 if (rval)
6273                         /* NIC Core reset failed. */
6274                         ql_log(ql_log_warn, vha, 0x5071,
6275                             "Failed to restart nic firmware\n");
6276                 else
6277                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
6278                             "Restarted NIC firmware successfully.\n");
6279                 ha->flags.nic_core_reset_hdlr_active = 0;
6280         }
6281
6282         return rval;
6283
6284 }
6285
6286 /*
6287 * qla2x00_quiesce_io
6288 * Description: This function will block the new I/Os
6289 *              Its not aborting any I/Os as context
6290 *              is not destroyed during quiescence
6291 * Arguments: scsi_qla_host_t
6292 * return   : void
6293 */
6294 void
6295 qla2x00_quiesce_io(scsi_qla_host_t *vha)
6296 {
6297         struct qla_hw_data *ha = vha->hw;
6298         struct scsi_qla_host *vp;
6299
6300         ql_dbg(ql_dbg_dpc, vha, 0x401d,
6301             "Quiescing I/O - ha=%p.\n", ha);
6302
6303         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
6304         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6305                 atomic_set(&vha->loop_state, LOOP_DOWN);
6306                 qla2x00_mark_all_devices_lost(vha, 0);
6307                 list_for_each_entry(vp, &ha->vp_list, list)
6308                         qla2x00_mark_all_devices_lost(vp, 0);
6309         } else {
6310                 if (!atomic_read(&vha->loop_down_timer))
6311                         atomic_set(&vha->loop_down_timer,
6312                                         LOOP_DOWN_TIME);
6313         }
6314         /* Wait for pending cmds to complete */
6315         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
6316 }
6317
6318 void
6319 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
6320 {
6321         struct qla_hw_data *ha = vha->hw;
6322         struct scsi_qla_host *vp;
6323         unsigned long flags;
6324         fc_port_t *fcport;
6325         u16 i;
6326
6327         /* For ISP82XX, driver waits for completion of the commands.
6328          * online flag should be set.
6329          */
6330         if (!(IS_P3P_TYPE(ha)))
6331                 vha->flags.online = 0;
6332         ha->flags.chip_reset_done = 0;
6333         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6334         vha->qla_stats.total_isp_aborts++;
6335
6336         ql_log(ql_log_info, vha, 0x00af,
6337             "Performing ISP error recovery - ha=%p.\n", ha);
6338
6339         /* For ISP82XX, reset_chip is just disabling interrupts.
6340          * Driver waits for the completion of the commands.
6341          * the interrupts need to be enabled.
6342          */
6343         if (!(IS_P3P_TYPE(ha)))
6344                 ha->isp_ops->reset_chip(vha);
6345
6346         SAVE_TOPO(ha);
6347         ha->flags.rida_fmt2 = 0;
6348         ha->flags.n2n_ae = 0;
6349         ha->flags.lip_ae = 0;
6350         ha->current_topology = 0;
6351         ha->flags.fw_started = 0;
6352         ha->flags.fw_init_done = 0;
6353         ha->base_qpair->chip_reset++;
6354         for (i = 0; i < ha->max_qpairs; i++) {
6355                 if (ha->queue_pair_map[i])
6356                         ha->queue_pair_map[i]->chip_reset =
6357                                 ha->base_qpair->chip_reset;
6358         }
6359
6360         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
6361         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6362                 atomic_set(&vha->loop_state, LOOP_DOWN);
6363                 qla2x00_mark_all_devices_lost(vha, 0);
6364
6365                 spin_lock_irqsave(&ha->vport_slock, flags);
6366                 list_for_each_entry(vp, &ha->vp_list, list) {
6367                         atomic_inc(&vp->vref_count);
6368                         spin_unlock_irqrestore(&ha->vport_slock, flags);
6369
6370                         qla2x00_mark_all_devices_lost(vp, 0);
6371
6372                         spin_lock_irqsave(&ha->vport_slock, flags);
6373                         atomic_dec(&vp->vref_count);
6374                 }
6375                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6376         } else {
6377                 if (!atomic_read(&vha->loop_down_timer))
6378                         atomic_set(&vha->loop_down_timer,
6379                             LOOP_DOWN_TIME);
6380         }
6381
6382         /* Clear all async request states across all VPs. */
6383         list_for_each_entry(fcport, &vha->vp_fcports, list)
6384                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6385         spin_lock_irqsave(&ha->vport_slock, flags);
6386         list_for_each_entry(vp, &ha->vp_list, list) {
6387                 atomic_inc(&vp->vref_count);
6388                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6389
6390                 list_for_each_entry(fcport, &vp->vp_fcports, list)
6391                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6392
6393                 spin_lock_irqsave(&ha->vport_slock, flags);
6394                 atomic_dec(&vp->vref_count);
6395         }
6396         spin_unlock_irqrestore(&ha->vport_slock, flags);
6397
6398         if (!ha->flags.eeh_busy) {
6399                 /* Make sure for ISP 82XX IO DMA is complete */
6400                 if (IS_P3P_TYPE(ha)) {
6401                         qla82xx_chip_reset_cleanup(vha);
6402                         ql_log(ql_log_info, vha, 0x00b4,
6403                             "Done chip reset cleanup.\n");
6404
6405                         /* Done waiting for pending commands.
6406                          * Reset the online flag.
6407                          */
6408                         vha->flags.online = 0;
6409                 }
6410
6411                 /* Requeue all commands in outstanding command list. */
6412                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6413         }
6414         /* memory barrier */
6415         wmb();
6416 }
6417
6418 /*
6419 *  qla2x00_abort_isp
6420 *      Resets ISP and aborts all outstanding commands.
6421 *
6422 * Input:
6423 *      ha           = adapter block pointer.
6424 *
6425 * Returns:
6426 *      0 = success
6427 */
6428 int
6429 qla2x00_abort_isp(scsi_qla_host_t *vha)
6430 {
6431         int rval;
6432         uint8_t        status = 0;
6433         struct qla_hw_data *ha = vha->hw;
6434         struct scsi_qla_host *vp;
6435         struct req_que *req = ha->req_q_map[0];
6436         unsigned long flags;
6437
6438         if (vha->flags.online) {
6439                 qla2x00_abort_isp_cleanup(vha);
6440
6441                 if (IS_QLA8031(ha)) {
6442                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
6443                             "Clearing fcoe driver presence.\n");
6444                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
6445                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
6446                                     "Error while clearing DRV-Presence.\n");
6447                 }
6448
6449                 if (unlikely(pci_channel_offline(ha->pdev) &&
6450                     ha->flags.pci_channel_io_perm_failure)) {
6451                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6452                         status = 0;
6453                         return status;
6454                 }
6455
6456                 ha->isp_ops->get_flash_version(vha, req->ring);
6457
6458                 ha->isp_ops->nvram_config(vha);
6459
6460                 if (!qla2x00_restart_isp(vha)) {
6461                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6462
6463                         if (!atomic_read(&vha->loop_down_timer)) {
6464                                 /*
6465                                  * Issue marker command only when we are going
6466                                  * to start the I/O .
6467                                  */
6468                                 vha->marker_needed = 1;
6469                         }
6470
6471                         vha->flags.online = 1;
6472
6473                         ha->isp_ops->enable_intrs(ha);
6474
6475                         ha->isp_abort_cnt = 0;
6476                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6477
6478                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
6479                                 qla2x00_get_fw_version(vha);
6480                         if (ha->fce) {
6481                                 ha->flags.fce_enabled = 1;
6482                                 memset(ha->fce, 0,
6483                                     fce_calc_size(ha->fce_bufs));
6484                                 rval = qla2x00_enable_fce_trace(vha,
6485                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6486                                     &ha->fce_bufs);
6487                                 if (rval) {
6488                                         ql_log(ql_log_warn, vha, 0x8033,
6489                                             "Unable to reinitialize FCE "
6490                                             "(%d).\n", rval);
6491                                         ha->flags.fce_enabled = 0;
6492                                 }
6493                         }
6494
6495                         if (ha->eft) {
6496                                 memset(ha->eft, 0, EFT_SIZE);
6497                                 rval = qla2x00_enable_eft_trace(vha,
6498                                     ha->eft_dma, EFT_NUM_BUFFERS);
6499                                 if (rval) {
6500                                         ql_log(ql_log_warn, vha, 0x8034,
6501                                             "Unable to reinitialize EFT "
6502                                             "(%d).\n", rval);
6503                                 }
6504                         }
6505                 } else {        /* failed the ISP abort */
6506                         vha->flags.online = 1;
6507                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
6508                                 if (ha->isp_abort_cnt == 0) {
6509                                         ql_log(ql_log_fatal, vha, 0x8035,
6510                                             "ISP error recover failed - "
6511                                             "board disabled.\n");
6512                                         /*
6513                                          * The next call disables the board
6514                                          * completely.
6515                                          */
6516                                         ha->isp_ops->reset_adapter(vha);
6517                                         vha->flags.online = 0;
6518                                         clear_bit(ISP_ABORT_RETRY,
6519                                             &vha->dpc_flags);
6520                                         status = 0;
6521                                 } else { /* schedule another ISP abort */
6522                                         ha->isp_abort_cnt--;
6523                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
6524                                             "ISP abort - retry remaining %d.\n",
6525                                             ha->isp_abort_cnt);
6526                                         status = 1;
6527                                 }
6528                         } else {
6529                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
6530                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
6531                                     "ISP error recovery - retrying (%d) "
6532                                     "more times.\n", ha->isp_abort_cnt);
6533                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6534                                 status = 1;
6535                         }
6536                 }
6537
6538         }
6539
6540         if (!status) {
6541                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
6542                 qla2x00_configure_hba(vha);
6543                 spin_lock_irqsave(&ha->vport_slock, flags);
6544                 list_for_each_entry(vp, &ha->vp_list, list) {
6545                         if (vp->vp_idx) {
6546                                 atomic_inc(&vp->vref_count);
6547                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6548
6549                                 qla2x00_vp_abort_isp(vp);
6550
6551                                 spin_lock_irqsave(&ha->vport_slock, flags);
6552                                 atomic_dec(&vp->vref_count);
6553                         }
6554                 }
6555                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6556
6557                 if (IS_QLA8031(ha)) {
6558                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
6559                             "Setting back fcoe driver presence.\n");
6560                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
6561                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
6562                                     "Error while setting DRV-Presence.\n");
6563                 }
6564         } else {
6565                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
6566                        __func__);
6567         }
6568
6569         return(status);
6570 }
6571
6572 /*
6573 *  qla2x00_restart_isp
6574 *      restarts the ISP after a reset
6575 *
6576 * Input:
6577 *      ha = adapter block pointer.
6578 *
6579 * Returns:
6580 *      0 = success
6581 */
6582 static int
6583 qla2x00_restart_isp(scsi_qla_host_t *vha)
6584 {
6585         int status = 0;
6586         struct qla_hw_data *ha = vha->hw;
6587         struct req_que *req = ha->req_q_map[0];
6588         struct rsp_que *rsp = ha->rsp_q_map[0];
6589
6590         /* If firmware needs to be loaded */
6591         if (qla2x00_isp_firmware(vha)) {
6592                 vha->flags.online = 0;
6593                 status = ha->isp_ops->chip_diag(vha);
6594                 if (!status)
6595                         status = qla2x00_setup_chip(vha);
6596         }
6597
6598         if (!status && !(status = qla2x00_init_rings(vha))) {
6599                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6600                 ha->flags.chip_reset_done = 1;
6601
6602                 /* Initialize the queues in use */
6603                 qla25xx_init_queues(ha);
6604
6605                 status = qla2x00_fw_ready(vha);
6606                 if (!status) {
6607                         /* Issue a marker after FW becomes ready. */
6608                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6609                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6610                 }
6611
6612                 /* if no cable then assume it's good */
6613                 if ((vha->device_flags & DFLG_NO_CABLE))
6614                         status = 0;
6615         }
6616         return (status);
6617 }
6618
6619 static int
6620 qla25xx_init_queues(struct qla_hw_data *ha)
6621 {
6622         struct rsp_que *rsp = NULL;
6623         struct req_que *req = NULL;
6624         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6625         int ret = -1;
6626         int i;
6627
6628         for (i = 1; i < ha->max_rsp_queues; i++) {
6629                 rsp = ha->rsp_q_map[i];
6630                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
6631                         rsp->options &= ~BIT_0;
6632                         ret = qla25xx_init_rsp_que(base_vha, rsp);
6633                         if (ret != QLA_SUCCESS)
6634                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
6635                                     "%s Rsp que: %d init failed.\n",
6636                                     __func__, rsp->id);
6637                         else
6638                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
6639                                     "%s Rsp que: %d inited.\n",
6640                                     __func__, rsp->id);
6641                 }
6642         }
6643         for (i = 1; i < ha->max_req_queues; i++) {
6644                 req = ha->req_q_map[i];
6645                 if (req && test_bit(i, ha->req_qid_map)) {
6646                         /* Clear outstanding commands array. */
6647                         req->options &= ~BIT_0;
6648                         ret = qla25xx_init_req_que(base_vha, req);
6649                         if (ret != QLA_SUCCESS)
6650                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
6651                                     "%s Req que: %d init failed.\n",
6652                                     __func__, req->id);
6653                         else
6654                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
6655                                     "%s Req que: %d inited.\n",
6656                                     __func__, req->id);
6657                 }
6658         }
6659         return ret;
6660 }
6661
6662 /*
6663 * qla2x00_reset_adapter
6664 *      Reset adapter.
6665 *
6666 * Input:
6667 *      ha = adapter block pointer.
6668 */
6669 void
6670 qla2x00_reset_adapter(scsi_qla_host_t *vha)
6671 {
6672         unsigned long flags = 0;
6673         struct qla_hw_data *ha = vha->hw;
6674         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
6675
6676         vha->flags.online = 0;
6677         ha->isp_ops->disable_intrs(ha);
6678
6679         spin_lock_irqsave(&ha->hardware_lock, flags);
6680         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
6681         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
6682         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
6683         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
6684         spin_unlock_irqrestore(&ha->hardware_lock, flags);
6685 }
6686
6687 void
6688 qla24xx_reset_adapter(scsi_qla_host_t *vha)
6689 {
6690         unsigned long flags = 0;
6691         struct qla_hw_data *ha = vha->hw;
6692         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
6693
6694         if (IS_P3P_TYPE(ha))
6695                 return;
6696
6697         vha->flags.online = 0;
6698         ha->isp_ops->disable_intrs(ha);
6699
6700         spin_lock_irqsave(&ha->hardware_lock, flags);
6701         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
6702         RD_REG_DWORD(&reg->hccr);
6703         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
6704         RD_REG_DWORD(&reg->hccr);
6705         spin_unlock_irqrestore(&ha->hardware_lock, flags);
6706
6707         if (IS_NOPOLLING_TYPE(ha))
6708                 ha->isp_ops->enable_intrs(ha);
6709 }
6710
6711 /* On sparc systems, obtain port and node WWN from firmware
6712  * properties.
6713  */
6714 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
6715         struct nvram_24xx *nv)
6716 {
6717 #ifdef CONFIG_SPARC
6718         struct qla_hw_data *ha = vha->hw;
6719         struct pci_dev *pdev = ha->pdev;
6720         struct device_node *dp = pci_device_to_OF_node(pdev);
6721         const u8 *val;
6722         int len;
6723
6724         val = of_get_property(dp, "port-wwn", &len);
6725         if (val && len >= WWN_SIZE)
6726                 memcpy(nv->port_name, val, WWN_SIZE);
6727
6728         val = of_get_property(dp, "node-wwn", &len);
6729         if (val && len >= WWN_SIZE)
6730                 memcpy(nv->node_name, val, WWN_SIZE);
6731 #endif
6732 }
6733
6734 int
6735 qla24xx_nvram_config(scsi_qla_host_t *vha)
6736 {
6737         int   rval;
6738         struct init_cb_24xx *icb;
6739         struct nvram_24xx *nv;
6740         uint32_t *dptr;
6741         uint8_t  *dptr1, *dptr2;
6742         uint32_t chksum;
6743         uint16_t cnt;
6744         struct qla_hw_data *ha = vha->hw;
6745
6746         rval = QLA_SUCCESS;
6747         icb = (struct init_cb_24xx *)ha->init_cb;
6748         nv = ha->nvram;
6749
6750         /* Determine NVRAM starting address. */
6751         if (ha->port_no == 0) {
6752                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6753                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
6754         } else {
6755                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6756                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
6757         }
6758
6759         ha->nvram_size = sizeof(struct nvram_24xx);
6760         ha->vpd_size = FA_NVRAM_VPD_SIZE;
6761
6762         /* Get VPD data into cache */
6763         ha->vpd = ha->nvram + VPD_OFFSET;
6764         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
6765             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
6766
6767         /* Get NVRAM data into cache and calculate checksum. */
6768         dptr = (uint32_t *)nv;
6769         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
6770             ha->nvram_size);
6771         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
6772                 chksum += le32_to_cpu(*dptr);
6773
6774         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
6775             "Contents of NVRAM\n");
6776         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
6777             (uint8_t *)nv, ha->nvram_size);
6778
6779         /* Bad NVRAM data, set defaults parameters. */
6780         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
6781             || nv->id[3] != ' ' ||
6782             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
6783                 /* Reset NVRAM data. */
6784                 ql_log(ql_log_warn, vha, 0x006b,
6785                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
6786                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
6787                 ql_log(ql_log_warn, vha, 0x006c,
6788                     "Falling back to functioning (yet invalid -- WWPN) "
6789                     "defaults.\n");
6790
6791                 /*
6792                  * Set default initialization control block.
6793                  */
6794                 memset(nv, 0, ha->nvram_size);
6795                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
6796                 nv->version = cpu_to_le16(ICB_VERSION);
6797                 nv->frame_payload_size = 2048;
6798                 nv->execution_throttle = cpu_to_le16(0xFFFF);
6799                 nv->exchange_count = cpu_to_le16(0);
6800                 nv->hard_address = cpu_to_le16(124);
6801                 nv->port_name[0] = 0x21;
6802                 nv->port_name[1] = 0x00 + ha->port_no + 1;
6803                 nv->port_name[2] = 0x00;
6804                 nv->port_name[3] = 0xe0;
6805                 nv->port_name[4] = 0x8b;
6806                 nv->port_name[5] = 0x1c;
6807                 nv->port_name[6] = 0x55;
6808                 nv->port_name[7] = 0x86;
6809                 nv->node_name[0] = 0x20;
6810                 nv->node_name[1] = 0x00;
6811                 nv->node_name[2] = 0x00;
6812                 nv->node_name[3] = 0xe0;
6813                 nv->node_name[4] = 0x8b;
6814                 nv->node_name[5] = 0x1c;
6815                 nv->node_name[6] = 0x55;
6816                 nv->node_name[7] = 0x86;
6817                 qla24xx_nvram_wwn_from_ofw(vha, nv);
6818                 nv->login_retry_count = cpu_to_le16(8);
6819                 nv->interrupt_delay_timer = cpu_to_le16(0);
6820                 nv->login_timeout = cpu_to_le16(0);
6821                 nv->firmware_options_1 =
6822                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
6823                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
6824                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
6825                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
6826                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
6827                 nv->efi_parameters = cpu_to_le32(0);
6828                 nv->reset_delay = 5;
6829                 nv->max_luns_per_target = cpu_to_le16(128);
6830                 nv->port_down_retry_count = cpu_to_le16(30);
6831                 nv->link_down_timeout = cpu_to_le16(30);
6832
6833                 rval = 1;
6834         }
6835
6836         if (qla_tgt_mode_enabled(vha)) {
6837                 /* Don't enable full login after initial LIP */
6838                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
6839                 /* Don't enable LIP full login for initiator */
6840                 nv->host_p &= cpu_to_le32(~BIT_10);
6841         }
6842
6843         qlt_24xx_config_nvram_stage1(vha, nv);
6844
6845         /* Reset Initialization control block */
6846         memset(icb, 0, ha->init_cb_size);
6847
6848         /* Copy 1st segment. */
6849         dptr1 = (uint8_t *)icb;
6850         dptr2 = (uint8_t *)&nv->version;
6851         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
6852         while (cnt--)
6853                 *dptr1++ = *dptr2++;
6854
6855         icb->login_retry_count = nv->login_retry_count;
6856         icb->link_down_on_nos = nv->link_down_on_nos;
6857
6858         /* Copy 2nd segment. */
6859         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
6860         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
6861         cnt = (uint8_t *)&icb->reserved_3 -
6862             (uint8_t *)&icb->interrupt_delay_timer;
6863         while (cnt--)
6864                 *dptr1++ = *dptr2++;
6865
6866         /*
6867          * Setup driver NVRAM options.
6868          */
6869         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6870             "QLA2462");
6871
6872         qlt_24xx_config_nvram_stage2(vha, icb);
6873
6874         if (nv->host_p & cpu_to_le32(BIT_15)) {
6875                 /* Use alternate WWN? */
6876                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6877                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6878         }
6879
6880         /* Prepare nodename */
6881         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
6882                 /*
6883                  * Firmware will apply the following mask if the nodename was
6884                  * not provided.
6885                  */
6886                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6887                 icb->node_name[0] &= 0xF0;
6888         }
6889
6890         /* Set host adapter parameters. */
6891         ha->flags.disable_risc_code_load = 0;
6892         ha->flags.enable_lip_reset = 0;
6893         ha->flags.enable_lip_full_login =
6894             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6895         ha->flags.enable_target_reset =
6896             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6897         ha->flags.enable_led_scheme = 0;
6898         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6899
6900         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6901             (BIT_6 | BIT_5 | BIT_4)) >> 4;
6902
6903         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
6904             sizeof(ha->fw_seriallink_options24));
6905
6906         /* save HBA serial number */
6907         ha->serial0 = icb->port_name[5];
6908         ha->serial1 = icb->port_name[6];
6909         ha->serial2 = icb->port_name[7];
6910         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6911         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6912
6913         icb->execution_throttle = cpu_to_le16(0xFFFF);
6914
6915         ha->retry_count = le16_to_cpu(nv->login_retry_count);
6916
6917         /* Set minimum login_timeout to 4 seconds. */
6918         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6919                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6920         if (le16_to_cpu(nv->login_timeout) < 4)
6921                 nv->login_timeout = cpu_to_le16(4);
6922         ha->login_timeout = le16_to_cpu(nv->login_timeout);
6923
6924         /* Set minimum RATOV to 100 tenths of a second. */
6925         ha->r_a_tov = 100;
6926
6927         ha->loop_reset_delay = nv->reset_delay;
6928
6929         /* Link Down Timeout = 0:
6930          *
6931          *      When Port Down timer expires we will start returning
6932          *      I/O's to OS with "DID_NO_CONNECT".
6933          *
6934          * Link Down Timeout != 0:
6935          *
6936          *       The driver waits for the link to come up after link down
6937          *       before returning I/Os to OS with "DID_NO_CONNECT".
6938          */
6939         if (le16_to_cpu(nv->link_down_timeout) == 0) {
6940                 ha->loop_down_abort_time =
6941                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6942         } else {
6943                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
6944                 ha->loop_down_abort_time =
6945                     (LOOP_DOWN_TIME - ha->link_down_timeout);
6946         }
6947
6948         /* Need enough time to try and get the port back. */
6949         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6950         if (qlport_down_retry)
6951                 ha->port_down_retry_count = qlport_down_retry;
6952
6953         /* Set login_retry_count */
6954         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6955         if (ha->port_down_retry_count ==
6956             le16_to_cpu(nv->port_down_retry_count) &&
6957             ha->port_down_retry_count > 3)
6958                 ha->login_retry_count = ha->port_down_retry_count;
6959         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6960                 ha->login_retry_count = ha->port_down_retry_count;
6961         if (ql2xloginretrycount)
6962                 ha->login_retry_count = ql2xloginretrycount;
6963
6964         /* Enable ZIO. */
6965         if (!vha->flags.init_done) {
6966                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6967                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6968                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6969                     le16_to_cpu(icb->interrupt_delay_timer): 2;
6970         }
6971         icb->firmware_options_2 &= cpu_to_le32(
6972             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6973         vha->flags.process_response_queue = 0;
6974         if (ha->zio_mode != QLA_ZIO_DISABLED) {
6975                 ha->zio_mode = QLA_ZIO_MODE_6;
6976
6977                 ql_log(ql_log_info, vha, 0x006f,
6978                     "ZIO mode %d enabled; timer delay (%d us).\n",
6979                     ha->zio_mode, ha->zio_timer * 100);
6980
6981                 icb->firmware_options_2 |= cpu_to_le32(
6982                     (uint32_t)ha->zio_mode);
6983                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6984                 vha->flags.process_response_queue = 1;
6985         }
6986
6987         if (rval) {
6988                 ql_log(ql_log_warn, vha, 0x0070,
6989                     "NVRAM configuration failed.\n");
6990         }
6991         return (rval);
6992 }
6993
6994 uint8_t qla27xx_find_valid_image(struct scsi_qla_host *vha)
6995 {
6996         struct qla27xx_image_status pri_image_status, sec_image_status;
6997         uint8_t valid_pri_image, valid_sec_image;
6998         uint32_t *wptr;
6999         uint32_t cnt, chksum, size;
7000         struct qla_hw_data *ha = vha->hw;
7001
7002         valid_pri_image = valid_sec_image = 1;
7003         ha->active_image = 0;
7004         size = sizeof(struct qla27xx_image_status) / sizeof(uint32_t);
7005
7006         if (!ha->flt_region_img_status_pri) {
7007                 valid_pri_image = 0;
7008                 goto check_sec_image;
7009         }
7010
7011         qla24xx_read_flash_data(vha, (uint32_t *)(&pri_image_status),
7012             ha->flt_region_img_status_pri, size);
7013
7014         if (pri_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7015                 ql_dbg(ql_dbg_init, vha, 0x018b,
7016                     "Primary image signature (0x%x) not valid\n",
7017                     pri_image_status.signature);
7018                 valid_pri_image = 0;
7019                 goto check_sec_image;
7020         }
7021
7022         wptr = (uint32_t *)(&pri_image_status);
7023         cnt = size;
7024
7025         for (chksum = 0; cnt--; wptr++)
7026                 chksum += le32_to_cpu(*wptr);
7027
7028         if (chksum) {
7029                 ql_dbg(ql_dbg_init, vha, 0x018c,
7030                     "Checksum validation failed for primary image (0x%x)\n",
7031                     chksum);
7032                 valid_pri_image = 0;
7033         }
7034
7035 check_sec_image:
7036         if (!ha->flt_region_img_status_sec) {
7037                 valid_sec_image = 0;
7038                 goto check_valid_image;
7039         }
7040
7041         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
7042             ha->flt_region_img_status_sec, size);
7043
7044         if (sec_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7045                 ql_dbg(ql_dbg_init, vha, 0x018d,
7046                     "Secondary image signature(0x%x) not valid\n",
7047                     sec_image_status.signature);
7048                 valid_sec_image = 0;
7049                 goto check_valid_image;
7050         }
7051
7052         wptr = (uint32_t *)(&sec_image_status);
7053         cnt = size;
7054         for (chksum = 0; cnt--; wptr++)
7055                 chksum += le32_to_cpu(*wptr);
7056         if (chksum) {
7057                 ql_dbg(ql_dbg_init, vha, 0x018e,
7058                     "Checksum validation failed for secondary image (0x%x)\n",
7059                     chksum);
7060                 valid_sec_image = 0;
7061         }
7062
7063 check_valid_image:
7064         if (valid_pri_image && (pri_image_status.image_status_mask & 0x1))
7065                 ha->active_image = QLA27XX_PRIMARY_IMAGE;
7066         if (valid_sec_image && (sec_image_status.image_status_mask & 0x1)) {
7067                 if (!ha->active_image ||
7068                     pri_image_status.generation_number <
7069                     sec_image_status.generation_number)
7070                         ha->active_image = QLA27XX_SECONDARY_IMAGE;
7071         }
7072
7073         ql_dbg(ql_dbg_init, vha, 0x018f, "%s image\n",
7074             ha->active_image == 0 ? "default bootld and fw" :
7075             ha->active_image == 1 ? "primary" :
7076             ha->active_image == 2 ? "secondary" :
7077             "Invalid");
7078
7079         return ha->active_image;
7080 }
7081
7082 static int
7083 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
7084     uint32_t faddr)
7085 {
7086         int     rval = QLA_SUCCESS;
7087         int     segments, fragment;
7088         uint32_t *dcode, dlen;
7089         uint32_t risc_addr;
7090         uint32_t risc_size;
7091         uint32_t i;
7092         struct qla_hw_data *ha = vha->hw;
7093         struct req_que *req = ha->req_q_map[0];
7094
7095         ql_dbg(ql_dbg_init, vha, 0x008b,
7096             "FW: Loading firmware from flash (%x).\n", faddr);
7097
7098         rval = QLA_SUCCESS;
7099
7100         segments = FA_RISC_CODE_SEGMENTS;
7101         dcode = (uint32_t *)req->ring;
7102         *srisc_addr = 0;
7103
7104         if (IS_QLA27XX(ha) &&
7105             qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
7106                 faddr = ha->flt_region_fw_sec;
7107
7108         /* Validate firmware image by checking version. */
7109         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
7110         for (i = 0; i < 4; i++)
7111                 dcode[i] = be32_to_cpu(dcode[i]);
7112         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7113             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7114             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7115                 dcode[3] == 0)) {
7116                 ql_log(ql_log_fatal, vha, 0x008c,
7117                     "Unable to verify the integrity of flash firmware "
7118                     "image.\n");
7119                 ql_log(ql_log_fatal, vha, 0x008d,
7120                     "Firmware data: %08x %08x %08x %08x.\n",
7121                     dcode[0], dcode[1], dcode[2], dcode[3]);
7122
7123                 return QLA_FUNCTION_FAILED;
7124         }
7125
7126         while (segments && rval == QLA_SUCCESS) {
7127                 /* Read segment's load information. */
7128                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
7129
7130                 risc_addr = be32_to_cpu(dcode[2]);
7131                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7132                 risc_size = be32_to_cpu(dcode[3]);
7133
7134                 fragment = 0;
7135                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7136                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7137                         if (dlen > risc_size)
7138                                 dlen = risc_size;
7139
7140                         ql_dbg(ql_dbg_init, vha, 0x008e,
7141                             "Loading risc segment@ risc addr %x "
7142                             "number of dwords 0x%x offset 0x%x.\n",
7143                             risc_addr, dlen, faddr);
7144
7145                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
7146                         for (i = 0; i < dlen; i++)
7147                                 dcode[i] = swab32(dcode[i]);
7148
7149                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7150                             dlen);
7151                         if (rval) {
7152                                 ql_log(ql_log_fatal, vha, 0x008f,
7153                                     "Failed to load segment %d of firmware.\n",
7154                                     fragment);
7155                                 return QLA_FUNCTION_FAILED;
7156                         }
7157
7158                         faddr += dlen;
7159                         risc_addr += dlen;
7160                         risc_size -= dlen;
7161                         fragment++;
7162                 }
7163
7164                 /* Next segment. */
7165                 segments--;
7166         }
7167
7168         if (!IS_QLA27XX(ha))
7169                 return rval;
7170
7171         if (ha->fw_dump_template)
7172                 vfree(ha->fw_dump_template);
7173         ha->fw_dump_template = NULL;
7174         ha->fw_dump_template_len = 0;
7175
7176         ql_dbg(ql_dbg_init, vha, 0x0161,
7177             "Loading fwdump template from %x\n", faddr);
7178         qla24xx_read_flash_data(vha, dcode, faddr, 7);
7179         risc_size = be32_to_cpu(dcode[2]);
7180         ql_dbg(ql_dbg_init, vha, 0x0162,
7181             "-> array size %x dwords\n", risc_size);
7182         if (risc_size == 0 || risc_size == ~0)
7183                 goto default_template;
7184
7185         dlen = (risc_size - 8) * sizeof(*dcode);
7186         ql_dbg(ql_dbg_init, vha, 0x0163,
7187             "-> template allocating %x bytes...\n", dlen);
7188         ha->fw_dump_template = vmalloc(dlen);
7189         if (!ha->fw_dump_template) {
7190                 ql_log(ql_log_warn, vha, 0x0164,
7191                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7192                 goto default_template;
7193         }
7194
7195         faddr += 7;
7196         risc_size -= 8;
7197         dcode = ha->fw_dump_template;
7198         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
7199         for (i = 0; i < risc_size; i++)
7200                 dcode[i] = le32_to_cpu(dcode[i]);
7201
7202         if (!qla27xx_fwdt_template_valid(dcode)) {
7203                 ql_log(ql_log_warn, vha, 0x0165,
7204                     "Failed fwdump template validate\n");
7205                 goto default_template;
7206         }
7207
7208         dlen = qla27xx_fwdt_template_size(dcode);
7209         ql_dbg(ql_dbg_init, vha, 0x0166,
7210             "-> template size %x bytes\n", dlen);
7211         if (dlen > risc_size * sizeof(*dcode)) {
7212                 ql_log(ql_log_warn, vha, 0x0167,
7213                     "Failed fwdump template exceeds array by %zx bytes\n",
7214                     (size_t)(dlen - risc_size * sizeof(*dcode)));
7215                 goto default_template;
7216         }
7217         ha->fw_dump_template_len = dlen;
7218         return rval;
7219
7220 default_template:
7221         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
7222         if (ha->fw_dump_template)
7223                 vfree(ha->fw_dump_template);
7224         ha->fw_dump_template = NULL;
7225         ha->fw_dump_template_len = 0;
7226
7227         dlen = qla27xx_fwdt_template_default_size();
7228         ql_dbg(ql_dbg_init, vha, 0x0169,
7229             "-> template allocating %x bytes...\n", dlen);
7230         ha->fw_dump_template = vmalloc(dlen);
7231         if (!ha->fw_dump_template) {
7232                 ql_log(ql_log_warn, vha, 0x016a,
7233                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7234                 goto failed_template;
7235         }
7236
7237         dcode = ha->fw_dump_template;
7238         risc_size = dlen / sizeof(*dcode);
7239         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
7240         for (i = 0; i < risc_size; i++)
7241                 dcode[i] = be32_to_cpu(dcode[i]);
7242
7243         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7244                 ql_log(ql_log_warn, vha, 0x016b,
7245                     "Failed fwdump template validate\n");
7246                 goto failed_template;
7247         }
7248
7249         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7250         ql_dbg(ql_dbg_init, vha, 0x016c,
7251             "-> template size %x bytes\n", dlen);
7252         ha->fw_dump_template_len = dlen;
7253         return rval;
7254
7255 failed_template:
7256         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
7257         if (ha->fw_dump_template)
7258                 vfree(ha->fw_dump_template);
7259         ha->fw_dump_template = NULL;
7260         ha->fw_dump_template_len = 0;
7261         return rval;
7262 }
7263
7264 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
7265
7266 int
7267 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7268 {
7269         int     rval;
7270         int     i, fragment;
7271         uint16_t *wcode, *fwcode;
7272         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
7273         struct fw_blob *blob;
7274         struct qla_hw_data *ha = vha->hw;
7275         struct req_que *req = ha->req_q_map[0];
7276
7277         /* Load firmware blob. */
7278         blob = qla2x00_request_firmware(vha);
7279         if (!blob) {
7280                 ql_log(ql_log_info, vha, 0x0083,
7281                     "Firmware image unavailable.\n");
7282                 ql_log(ql_log_info, vha, 0x0084,
7283                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
7284                 return QLA_FUNCTION_FAILED;
7285         }
7286
7287         rval = QLA_SUCCESS;
7288
7289         wcode = (uint16_t *)req->ring;
7290         *srisc_addr = 0;
7291         fwcode = (uint16_t *)blob->fw->data;
7292         fwclen = 0;
7293
7294         /* Validate firmware image by checking version. */
7295         if (blob->fw->size < 8 * sizeof(uint16_t)) {
7296                 ql_log(ql_log_fatal, vha, 0x0085,
7297                     "Unable to verify integrity of firmware image (%zd).\n",
7298                     blob->fw->size);
7299                 goto fail_fw_integrity;
7300         }
7301         for (i = 0; i < 4; i++)
7302                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
7303         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
7304             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
7305                 wcode[2] == 0 && wcode[3] == 0)) {
7306                 ql_log(ql_log_fatal, vha, 0x0086,
7307                     "Unable to verify integrity of firmware image.\n");
7308                 ql_log(ql_log_fatal, vha, 0x0087,
7309                     "Firmware data: %04x %04x %04x %04x.\n",
7310                     wcode[0], wcode[1], wcode[2], wcode[3]);
7311                 goto fail_fw_integrity;
7312         }
7313
7314         seg = blob->segs;
7315         while (*seg && rval == QLA_SUCCESS) {
7316                 risc_addr = *seg;
7317                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
7318                 risc_size = be16_to_cpu(fwcode[3]);
7319
7320                 /* Validate firmware image size. */
7321                 fwclen += risc_size * sizeof(uint16_t);
7322                 if (blob->fw->size < fwclen) {
7323                         ql_log(ql_log_fatal, vha, 0x0088,
7324                             "Unable to verify integrity of firmware image "
7325                             "(%zd).\n", blob->fw->size);
7326                         goto fail_fw_integrity;
7327                 }
7328
7329                 fragment = 0;
7330                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7331                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
7332                         if (wlen > risc_size)
7333                                 wlen = risc_size;
7334                         ql_dbg(ql_dbg_init, vha, 0x0089,
7335                             "Loading risc segment@ risc addr %x number of "
7336                             "words 0x%x.\n", risc_addr, wlen);
7337
7338                         for (i = 0; i < wlen; i++)
7339                                 wcode[i] = swab16(fwcode[i]);
7340
7341                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7342                             wlen);
7343                         if (rval) {
7344                                 ql_log(ql_log_fatal, vha, 0x008a,
7345                                     "Failed to load segment %d of firmware.\n",
7346                                     fragment);
7347                                 break;
7348                         }
7349
7350                         fwcode += wlen;
7351                         risc_addr += wlen;
7352                         risc_size -= wlen;
7353                         fragment++;
7354                 }
7355
7356                 /* Next segment. */
7357                 seg++;
7358         }
7359         return rval;
7360
7361 fail_fw_integrity:
7362         return QLA_FUNCTION_FAILED;
7363 }
7364
7365 static int
7366 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7367 {
7368         int     rval;
7369         int     segments, fragment;
7370         uint32_t *dcode, dlen;
7371         uint32_t risc_addr;
7372         uint32_t risc_size;
7373         uint32_t i;
7374         struct fw_blob *blob;
7375         const uint32_t *fwcode;
7376         uint32_t fwclen;
7377         struct qla_hw_data *ha = vha->hw;
7378         struct req_que *req = ha->req_q_map[0];
7379
7380         /* Load firmware blob. */
7381         blob = qla2x00_request_firmware(vha);
7382         if (!blob) {
7383                 ql_log(ql_log_warn, vha, 0x0090,
7384                     "Firmware image unavailable.\n");
7385                 ql_log(ql_log_warn, vha, 0x0091,
7386                     "Firmware images can be retrieved from: "
7387                     QLA_FW_URL ".\n");
7388
7389                 return QLA_FUNCTION_FAILED;
7390         }
7391
7392         ql_dbg(ql_dbg_init, vha, 0x0092,
7393             "FW: Loading via request-firmware.\n");
7394
7395         rval = QLA_SUCCESS;
7396
7397         segments = FA_RISC_CODE_SEGMENTS;
7398         dcode = (uint32_t *)req->ring;
7399         *srisc_addr = 0;
7400         fwcode = (uint32_t *)blob->fw->data;
7401         fwclen = 0;
7402
7403         /* Validate firmware image by checking version. */
7404         if (blob->fw->size < 8 * sizeof(uint32_t)) {
7405                 ql_log(ql_log_fatal, vha, 0x0093,
7406                     "Unable to verify integrity of firmware image (%zd).\n",
7407                     blob->fw->size);
7408                 return QLA_FUNCTION_FAILED;
7409         }
7410         for (i = 0; i < 4; i++)
7411                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
7412         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7413             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7414             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7415                 dcode[3] == 0)) {
7416                 ql_log(ql_log_fatal, vha, 0x0094,
7417                     "Unable to verify integrity of firmware image (%zd).\n",
7418                     blob->fw->size);
7419                 ql_log(ql_log_fatal, vha, 0x0095,
7420                     "Firmware data: %08x %08x %08x %08x.\n",
7421                     dcode[0], dcode[1], dcode[2], dcode[3]);
7422                 return QLA_FUNCTION_FAILED;
7423         }
7424
7425         while (segments && rval == QLA_SUCCESS) {
7426                 risc_addr = be32_to_cpu(fwcode[2]);
7427                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7428                 risc_size = be32_to_cpu(fwcode[3]);
7429
7430                 /* Validate firmware image size. */
7431                 fwclen += risc_size * sizeof(uint32_t);
7432                 if (blob->fw->size < fwclen) {
7433                         ql_log(ql_log_fatal, vha, 0x0096,
7434                             "Unable to verify integrity of firmware image "
7435                             "(%zd).\n", blob->fw->size);
7436                         return QLA_FUNCTION_FAILED;
7437                 }
7438
7439                 fragment = 0;
7440                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7441                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7442                         if (dlen > risc_size)
7443                                 dlen = risc_size;
7444
7445                         ql_dbg(ql_dbg_init, vha, 0x0097,
7446                             "Loading risc segment@ risc addr %x "
7447                             "number of dwords 0x%x.\n", risc_addr, dlen);
7448
7449                         for (i = 0; i < dlen; i++)
7450                                 dcode[i] = swab32(fwcode[i]);
7451
7452                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7453                             dlen);
7454                         if (rval) {
7455                                 ql_log(ql_log_fatal, vha, 0x0098,
7456                                     "Failed to load segment %d of firmware.\n",
7457                                     fragment);
7458                                 return QLA_FUNCTION_FAILED;
7459                         }
7460
7461                         fwcode += dlen;
7462                         risc_addr += dlen;
7463                         risc_size -= dlen;
7464                         fragment++;
7465                 }
7466
7467                 /* Next segment. */
7468                 segments--;
7469         }
7470
7471         if (!IS_QLA27XX(ha))
7472                 return rval;
7473
7474         if (ha->fw_dump_template)
7475                 vfree(ha->fw_dump_template);
7476         ha->fw_dump_template = NULL;
7477         ha->fw_dump_template_len = 0;
7478
7479         ql_dbg(ql_dbg_init, vha, 0x171,
7480             "Loading fwdump template from %x\n",
7481             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
7482         risc_size = be32_to_cpu(fwcode[2]);
7483         ql_dbg(ql_dbg_init, vha, 0x172,
7484             "-> array size %x dwords\n", risc_size);
7485         if (risc_size == 0 || risc_size == ~0)
7486                 goto default_template;
7487
7488         dlen = (risc_size - 8) * sizeof(*fwcode);
7489         ql_dbg(ql_dbg_init, vha, 0x0173,
7490             "-> template allocating %x bytes...\n", dlen);
7491         ha->fw_dump_template = vmalloc(dlen);
7492         if (!ha->fw_dump_template) {
7493                 ql_log(ql_log_warn, vha, 0x0174,
7494                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7495                 goto default_template;
7496         }
7497
7498         fwcode += 7;
7499         risc_size -= 8;
7500         dcode = ha->fw_dump_template;
7501         for (i = 0; i < risc_size; i++)
7502                 dcode[i] = le32_to_cpu(fwcode[i]);
7503
7504         if (!qla27xx_fwdt_template_valid(dcode)) {
7505                 ql_log(ql_log_warn, vha, 0x0175,
7506                     "Failed fwdump template validate\n");
7507                 goto default_template;
7508         }
7509
7510         dlen = qla27xx_fwdt_template_size(dcode);
7511         ql_dbg(ql_dbg_init, vha, 0x0176,
7512             "-> template size %x bytes\n", dlen);
7513         if (dlen > risc_size * sizeof(*fwcode)) {
7514                 ql_log(ql_log_warn, vha, 0x0177,
7515                     "Failed fwdump template exceeds array by %zx bytes\n",
7516                     (size_t)(dlen - risc_size * sizeof(*fwcode)));
7517                 goto default_template;
7518         }
7519         ha->fw_dump_template_len = dlen;
7520         return rval;
7521
7522 default_template:
7523         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
7524         if (ha->fw_dump_template)
7525                 vfree(ha->fw_dump_template);
7526         ha->fw_dump_template = NULL;
7527         ha->fw_dump_template_len = 0;
7528
7529         dlen = qla27xx_fwdt_template_default_size();
7530         ql_dbg(ql_dbg_init, vha, 0x0179,
7531             "-> template allocating %x bytes...\n", dlen);
7532         ha->fw_dump_template = vmalloc(dlen);
7533         if (!ha->fw_dump_template) {
7534                 ql_log(ql_log_warn, vha, 0x017a,
7535                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7536                 goto failed_template;
7537         }
7538
7539         dcode = ha->fw_dump_template;
7540         risc_size = dlen / sizeof(*fwcode);
7541         fwcode = qla27xx_fwdt_template_default();
7542         for (i = 0; i < risc_size; i++)
7543                 dcode[i] = be32_to_cpu(fwcode[i]);
7544
7545         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7546                 ql_log(ql_log_warn, vha, 0x017b,
7547                     "Failed fwdump template validate\n");
7548                 goto failed_template;
7549         }
7550
7551         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7552         ql_dbg(ql_dbg_init, vha, 0x017c,
7553             "-> template size %x bytes\n", dlen);
7554         ha->fw_dump_template_len = dlen;
7555         return rval;
7556
7557 failed_template:
7558         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
7559         if (ha->fw_dump_template)
7560                 vfree(ha->fw_dump_template);
7561         ha->fw_dump_template = NULL;
7562         ha->fw_dump_template_len = 0;
7563         return rval;
7564 }
7565
7566 int
7567 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7568 {
7569         int rval;
7570
7571         if (ql2xfwloadbin == 1)
7572                 return qla81xx_load_risc(vha, srisc_addr);
7573
7574         /*
7575          * FW Load priority:
7576          * 1) Firmware via request-firmware interface (.bin file).
7577          * 2) Firmware residing in flash.
7578          */
7579         rval = qla24xx_load_risc_blob(vha, srisc_addr);
7580         if (rval == QLA_SUCCESS)
7581                 return rval;
7582
7583         return qla24xx_load_risc_flash(vha, srisc_addr,
7584             vha->hw->flt_region_fw);
7585 }
7586
7587 int
7588 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7589 {
7590         int rval;
7591         struct qla_hw_data *ha = vha->hw;
7592
7593         if (ql2xfwloadbin == 2)
7594                 goto try_blob_fw;
7595
7596         /*
7597          * FW Load priority:
7598          * 1) Firmware residing in flash.
7599          * 2) Firmware via request-firmware interface (.bin file).
7600          * 3) Golden-Firmware residing in flash -- limited operation.
7601          */
7602         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
7603         if (rval == QLA_SUCCESS)
7604                 return rval;
7605
7606 try_blob_fw:
7607         rval = qla24xx_load_risc_blob(vha, srisc_addr);
7608         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
7609                 return rval;
7610
7611         ql_log(ql_log_info, vha, 0x0099,
7612             "Attempting to fallback to golden firmware.\n");
7613         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
7614         if (rval != QLA_SUCCESS)
7615                 return rval;
7616
7617         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
7618         ha->flags.running_gold_fw = 1;
7619         return rval;
7620 }
7621
7622 void
7623 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
7624 {
7625         int ret, retries;
7626         struct qla_hw_data *ha = vha->hw;
7627
7628         if (ha->flags.pci_channel_io_perm_failure)
7629                 return;
7630         if (!IS_FWI2_CAPABLE(ha))
7631                 return;
7632         if (!ha->fw_major_version)
7633                 return;
7634         if (!ha->flags.fw_started)
7635                 return;
7636
7637         ret = qla2x00_stop_firmware(vha);
7638         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
7639             ret != QLA_INVALID_COMMAND && retries ; retries--) {
7640                 ha->isp_ops->reset_chip(vha);
7641                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
7642                         continue;
7643                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
7644                         continue;
7645                 ql_log(ql_log_info, vha, 0x8015,
7646                     "Attempting retry of stop-firmware command.\n");
7647                 ret = qla2x00_stop_firmware(vha);
7648         }
7649
7650         QLA_FW_STOPPED(ha);
7651         ha->flags.fw_init_done = 0;
7652 }
7653
7654 int
7655 qla24xx_configure_vhba(scsi_qla_host_t *vha)
7656 {
7657         int rval = QLA_SUCCESS;
7658         int rval2;
7659         uint16_t mb[MAILBOX_REGISTER_COUNT];
7660         struct qla_hw_data *ha = vha->hw;
7661         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7662         struct req_que *req;
7663         struct rsp_que *rsp;
7664
7665         if (!vha->vp_idx)
7666                 return -EINVAL;
7667
7668         rval = qla2x00_fw_ready(base_vha);
7669         if (vha->qpair)
7670                 req = vha->qpair->req;
7671         else
7672                 req = ha->req_q_map[0];
7673         rsp = req->rsp;
7674
7675         if (rval == QLA_SUCCESS) {
7676                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7677                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
7678         }
7679
7680         vha->flags.management_server_logged_in = 0;
7681
7682         /* Login to SNS first */
7683         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
7684             BIT_1);
7685         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
7686                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
7687                         ql_dbg(ql_dbg_init, vha, 0x0120,
7688                             "Failed SNS login: loop_id=%x, rval2=%d\n",
7689                             NPH_SNS, rval2);
7690                 else
7691                         ql_dbg(ql_dbg_init, vha, 0x0103,
7692                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
7693                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
7694                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
7695                 return (QLA_FUNCTION_FAILED);
7696         }
7697
7698         atomic_set(&vha->loop_down_timer, 0);
7699         atomic_set(&vha->loop_state, LOOP_UP);
7700         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7701         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
7702         rval = qla2x00_loop_resync(base_vha);
7703
7704         return rval;
7705 }
7706
7707 /* 84XX Support **************************************************************/
7708
7709 static LIST_HEAD(qla_cs84xx_list);
7710 static DEFINE_MUTEX(qla_cs84xx_mutex);
7711
7712 static struct qla_chip_state_84xx *
7713 qla84xx_get_chip(struct scsi_qla_host *vha)
7714 {
7715         struct qla_chip_state_84xx *cs84xx;
7716         struct qla_hw_data *ha = vha->hw;
7717
7718         mutex_lock(&qla_cs84xx_mutex);
7719
7720         /* Find any shared 84xx chip. */
7721         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
7722                 if (cs84xx->bus == ha->pdev->bus) {
7723                         kref_get(&cs84xx->kref);
7724                         goto done;
7725                 }
7726         }
7727
7728         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
7729         if (!cs84xx)
7730                 goto done;
7731
7732         kref_init(&cs84xx->kref);
7733         spin_lock_init(&cs84xx->access_lock);
7734         mutex_init(&cs84xx->fw_update_mutex);
7735         cs84xx->bus = ha->pdev->bus;
7736
7737         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
7738 done:
7739         mutex_unlock(&qla_cs84xx_mutex);
7740         return cs84xx;
7741 }
7742
7743 static void
7744 __qla84xx_chip_release(struct kref *kref)
7745 {
7746         struct qla_chip_state_84xx *cs84xx =
7747             container_of(kref, struct qla_chip_state_84xx, kref);
7748
7749         mutex_lock(&qla_cs84xx_mutex);
7750         list_del(&cs84xx->list);
7751         mutex_unlock(&qla_cs84xx_mutex);
7752         kfree(cs84xx);
7753 }
7754
7755 void
7756 qla84xx_put_chip(struct scsi_qla_host *vha)
7757 {
7758         struct qla_hw_data *ha = vha->hw;
7759         if (ha->cs84xx)
7760                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
7761 }
7762
7763 static int
7764 qla84xx_init_chip(scsi_qla_host_t *vha)
7765 {
7766         int rval;
7767         uint16_t status[2];
7768         struct qla_hw_data *ha = vha->hw;
7769
7770         mutex_lock(&ha->cs84xx->fw_update_mutex);
7771
7772         rval = qla84xx_verify_chip(vha, status);
7773
7774         mutex_unlock(&ha->cs84xx->fw_update_mutex);
7775
7776         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
7777             QLA_SUCCESS;
7778 }
7779
7780 /* 81XX Support **************************************************************/
7781
7782 int
7783 qla81xx_nvram_config(scsi_qla_host_t *vha)
7784 {
7785         int   rval;
7786         struct init_cb_81xx *icb;
7787         struct nvram_81xx *nv;
7788         uint32_t *dptr;
7789         uint8_t  *dptr1, *dptr2;
7790         uint32_t chksum;
7791         uint16_t cnt;
7792         struct qla_hw_data *ha = vha->hw;
7793
7794         rval = QLA_SUCCESS;
7795         icb = (struct init_cb_81xx *)ha->init_cb;
7796         nv = ha->nvram;
7797
7798         /* Determine NVRAM starting address. */
7799         ha->nvram_size = sizeof(struct nvram_81xx);
7800         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7801         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
7802                 ha->vpd_size = FA_VPD_SIZE_82XX;
7803
7804         /* Get VPD data into cache */
7805         ha->vpd = ha->nvram + VPD_OFFSET;
7806         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
7807             ha->vpd_size);
7808
7809         /* Get NVRAM data into cache and calculate checksum. */
7810         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
7811             ha->nvram_size);
7812         dptr = (uint32_t *)nv;
7813         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7814                 chksum += le32_to_cpu(*dptr);
7815
7816         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
7817             "Contents of NVRAM:\n");
7818         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
7819             (uint8_t *)nv, ha->nvram_size);
7820
7821         /* Bad NVRAM data, set defaults parameters. */
7822         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
7823             || nv->id[3] != ' ' ||
7824             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
7825                 /* Reset NVRAM data. */
7826                 ql_log(ql_log_info, vha, 0x0073,
7827                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
7828                     "version=0x%x.\n", chksum, nv->id[0],
7829                     le16_to_cpu(nv->nvram_version));
7830                 ql_log(ql_log_info, vha, 0x0074,
7831                     "Falling back to functioning (yet invalid -- WWPN) "
7832                     "defaults.\n");
7833
7834                 /*
7835                  * Set default initialization control block.
7836                  */
7837                 memset(nv, 0, ha->nvram_size);
7838                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7839                 nv->version = cpu_to_le16(ICB_VERSION);
7840                 nv->frame_payload_size = 2048;
7841                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7842                 nv->exchange_count = cpu_to_le16(0);
7843                 nv->port_name[0] = 0x21;
7844                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7845                 nv->port_name[2] = 0x00;
7846                 nv->port_name[3] = 0xe0;
7847                 nv->port_name[4] = 0x8b;
7848                 nv->port_name[5] = 0x1c;
7849                 nv->port_name[6] = 0x55;
7850                 nv->port_name[7] = 0x86;
7851                 nv->node_name[0] = 0x20;
7852                 nv->node_name[1] = 0x00;
7853                 nv->node_name[2] = 0x00;
7854                 nv->node_name[3] = 0xe0;
7855                 nv->node_name[4] = 0x8b;
7856                 nv->node_name[5] = 0x1c;
7857                 nv->node_name[6] = 0x55;
7858                 nv->node_name[7] = 0x86;
7859                 nv->login_retry_count = cpu_to_le16(8);
7860                 nv->interrupt_delay_timer = cpu_to_le16(0);
7861                 nv->login_timeout = cpu_to_le16(0);
7862                 nv->firmware_options_1 =
7863                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7864                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7865                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7866                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7867                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7868                 nv->efi_parameters = cpu_to_le32(0);
7869                 nv->reset_delay = 5;
7870                 nv->max_luns_per_target = cpu_to_le16(128);
7871                 nv->port_down_retry_count = cpu_to_le16(30);
7872                 nv->link_down_timeout = cpu_to_le16(180);
7873                 nv->enode_mac[0] = 0x00;
7874                 nv->enode_mac[1] = 0xC0;
7875                 nv->enode_mac[2] = 0xDD;
7876                 nv->enode_mac[3] = 0x04;
7877                 nv->enode_mac[4] = 0x05;
7878                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
7879
7880                 rval = 1;
7881         }
7882
7883         if (IS_T10_PI_CAPABLE(ha))
7884                 nv->frame_payload_size &= ~7;
7885
7886         qlt_81xx_config_nvram_stage1(vha, nv);
7887
7888         /* Reset Initialization control block */
7889         memset(icb, 0, ha->init_cb_size);
7890
7891         /* Copy 1st segment. */
7892         dptr1 = (uint8_t *)icb;
7893         dptr2 = (uint8_t *)&nv->version;
7894         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7895         while (cnt--)
7896                 *dptr1++ = *dptr2++;
7897
7898         icb->login_retry_count = nv->login_retry_count;
7899
7900         /* Copy 2nd segment. */
7901         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7902         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7903         cnt = (uint8_t *)&icb->reserved_5 -
7904             (uint8_t *)&icb->interrupt_delay_timer;
7905         while (cnt--)
7906                 *dptr1++ = *dptr2++;
7907
7908         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
7909         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
7910         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
7911                 icb->enode_mac[0] = 0x00;
7912                 icb->enode_mac[1] = 0xC0;
7913                 icb->enode_mac[2] = 0xDD;
7914                 icb->enode_mac[3] = 0x04;
7915                 icb->enode_mac[4] = 0x05;
7916                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
7917         }
7918
7919         /* Use extended-initialization control block. */
7920         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
7921
7922         /*
7923          * Setup driver NVRAM options.
7924          */
7925         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7926             "QLE8XXX");
7927
7928         qlt_81xx_config_nvram_stage2(vha, icb);
7929
7930         /* Use alternate WWN? */
7931         if (nv->host_p & cpu_to_le32(BIT_15)) {
7932                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7933                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7934         }
7935
7936         /* Prepare nodename */
7937         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7938                 /*
7939                  * Firmware will apply the following mask if the nodename was
7940                  * not provided.
7941                  */
7942                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7943                 icb->node_name[0] &= 0xF0;
7944         }
7945
7946         /* Set host adapter parameters. */
7947         ha->flags.disable_risc_code_load = 0;
7948         ha->flags.enable_lip_reset = 0;
7949         ha->flags.enable_lip_full_login =
7950             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
7951         ha->flags.enable_target_reset =
7952             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
7953         ha->flags.enable_led_scheme = 0;
7954         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
7955
7956         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7957             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7958
7959         /* save HBA serial number */
7960         ha->serial0 = icb->port_name[5];
7961         ha->serial1 = icb->port_name[6];
7962         ha->serial2 = icb->port_name[7];
7963         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7964         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7965
7966         icb->execution_throttle = cpu_to_le16(0xFFFF);
7967
7968         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7969
7970         /* Set minimum login_timeout to 4 seconds. */
7971         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7972                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7973         if (le16_to_cpu(nv->login_timeout) < 4)
7974                 nv->login_timeout = cpu_to_le16(4);
7975         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7976
7977         /* Set minimum RATOV to 100 tenths of a second. */
7978         ha->r_a_tov = 100;
7979
7980         ha->loop_reset_delay = nv->reset_delay;
7981
7982         /* Link Down Timeout = 0:
7983          *
7984          *      When Port Down timer expires we will start returning
7985          *      I/O's to OS with "DID_NO_CONNECT".
7986          *
7987          * Link Down Timeout != 0:
7988          *
7989          *       The driver waits for the link to come up after link down
7990          *       before returning I/Os to OS with "DID_NO_CONNECT".
7991          */
7992         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7993                 ha->loop_down_abort_time =
7994                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7995         } else {
7996                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7997                 ha->loop_down_abort_time =
7998                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7999         }
8000
8001         /* Need enough time to try and get the port back. */
8002         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8003         if (qlport_down_retry)
8004                 ha->port_down_retry_count = qlport_down_retry;
8005
8006         /* Set login_retry_count */
8007         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8008         if (ha->port_down_retry_count ==
8009             le16_to_cpu(nv->port_down_retry_count) &&
8010             ha->port_down_retry_count > 3)
8011                 ha->login_retry_count = ha->port_down_retry_count;
8012         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8013                 ha->login_retry_count = ha->port_down_retry_count;
8014         if (ql2xloginretrycount)
8015                 ha->login_retry_count = ql2xloginretrycount;
8016
8017         /* if not running MSI-X we need handshaking on interrupts */
8018         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
8019                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8020
8021         /* Enable ZIO. */
8022         if (!vha->flags.init_done) {
8023                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8024                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8025                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8026                     le16_to_cpu(icb->interrupt_delay_timer): 2;
8027         }
8028         icb->firmware_options_2 &= cpu_to_le32(
8029             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8030         vha->flags.process_response_queue = 0;
8031         if (ha->zio_mode != QLA_ZIO_DISABLED) {
8032                 ha->zio_mode = QLA_ZIO_MODE_6;
8033
8034                 ql_log(ql_log_info, vha, 0x0075,
8035                     "ZIO mode %d enabled; timer delay (%d us).\n",
8036                     ha->zio_mode,
8037                     ha->zio_timer * 100);
8038
8039                 icb->firmware_options_2 |= cpu_to_le32(
8040                     (uint32_t)ha->zio_mode);
8041                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8042                 vha->flags.process_response_queue = 1;
8043         }
8044
8045          /* enable RIDA Format2 */
8046         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha))
8047                 icb->firmware_options_3 |= BIT_0;
8048
8049         if (IS_QLA27XX(ha)) {
8050                 icb->firmware_options_3 |= BIT_8;
8051                 ql_dbg(ql_log_info, vha, 0x0075,
8052                     "Enabling direct connection.\n");
8053         }
8054
8055         if (rval) {
8056                 ql_log(ql_log_warn, vha, 0x0076,
8057                     "NVRAM configuration failed.\n");
8058         }
8059         return (rval);
8060 }
8061
8062 int
8063 qla82xx_restart_isp(scsi_qla_host_t *vha)
8064 {
8065         int status, rval;
8066         struct qla_hw_data *ha = vha->hw;
8067         struct req_que *req = ha->req_q_map[0];
8068         struct rsp_que *rsp = ha->rsp_q_map[0];
8069         struct scsi_qla_host *vp;
8070         unsigned long flags;
8071
8072         status = qla2x00_init_rings(vha);
8073         if (!status) {
8074                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8075                 ha->flags.chip_reset_done = 1;
8076
8077                 status = qla2x00_fw_ready(vha);
8078                 if (!status) {
8079                         /* Issue a marker after FW becomes ready. */
8080                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
8081                         vha->flags.online = 1;
8082                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8083                 }
8084
8085                 /* if no cable then assume it's good */
8086                 if ((vha->device_flags & DFLG_NO_CABLE))
8087                         status = 0;
8088         }
8089
8090         if (!status) {
8091                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8092
8093                 if (!atomic_read(&vha->loop_down_timer)) {
8094                         /*
8095                          * Issue marker command only when we are going
8096                          * to start the I/O .
8097                          */
8098                         vha->marker_needed = 1;
8099                 }
8100
8101                 ha->isp_ops->enable_intrs(ha);
8102
8103                 ha->isp_abort_cnt = 0;
8104                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
8105
8106                 /* Update the firmware version */
8107                 status = qla82xx_check_md_needed(vha);
8108
8109                 if (ha->fce) {
8110                         ha->flags.fce_enabled = 1;
8111                         memset(ha->fce, 0,
8112                             fce_calc_size(ha->fce_bufs));
8113                         rval = qla2x00_enable_fce_trace(vha,
8114                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
8115                             &ha->fce_bufs);
8116                         if (rval) {
8117                                 ql_log(ql_log_warn, vha, 0x8001,
8118                                     "Unable to reinitialize FCE (%d).\n",
8119                                     rval);
8120                                 ha->flags.fce_enabled = 0;
8121                         }
8122                 }
8123
8124                 if (ha->eft) {
8125                         memset(ha->eft, 0, EFT_SIZE);
8126                         rval = qla2x00_enable_eft_trace(vha,
8127                             ha->eft_dma, EFT_NUM_BUFFERS);
8128                         if (rval) {
8129                                 ql_log(ql_log_warn, vha, 0x8010,
8130                                     "Unable to reinitialize EFT (%d).\n",
8131                                     rval);
8132                         }
8133                 }
8134         }
8135
8136         if (!status) {
8137                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
8138                     "qla82xx_restart_isp succeeded.\n");
8139
8140                 spin_lock_irqsave(&ha->vport_slock, flags);
8141                 list_for_each_entry(vp, &ha->vp_list, list) {
8142                         if (vp->vp_idx) {
8143                                 atomic_inc(&vp->vref_count);
8144                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8145
8146                                 qla2x00_vp_abort_isp(vp);
8147
8148                                 spin_lock_irqsave(&ha->vport_slock, flags);
8149                                 atomic_dec(&vp->vref_count);
8150                         }
8151                 }
8152                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8153
8154         } else {
8155                 ql_log(ql_log_warn, vha, 0x8016,
8156                     "qla82xx_restart_isp **** FAILED ****.\n");
8157         }
8158
8159         return status;
8160 }
8161
8162 void
8163 qla81xx_update_fw_options(scsi_qla_host_t *vha)
8164 {
8165         struct qla_hw_data *ha = vha->hw;
8166
8167         /*  Hold status IOCBs until ABTS response received. */
8168         if (ql2xfwholdabts)
8169                 ha->fw_options[3] |= BIT_12;
8170
8171         /* Set Retry FLOGI in case of P2P connection */
8172         if (ha->operating_mode == P2P) {
8173                 ha->fw_options[2] |= BIT_3;
8174                 ql_dbg(ql_dbg_disc, vha, 0x2103,
8175                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
8176                         __func__, ha->fw_options[2]);
8177         }
8178
8179         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
8180         if (ql2xmvasynctoatio) {
8181                 if (qla_tgt_mode_enabled(vha) ||
8182                     qla_dual_mode_enabled(vha))
8183                         ha->fw_options[2] |= BIT_11;
8184                 else
8185                         ha->fw_options[2] &= ~BIT_11;
8186         }
8187
8188         if (qla_tgt_mode_enabled(vha) ||
8189             qla_dual_mode_enabled(vha)) {
8190                 /* FW auto send SCSI status during */
8191                 ha->fw_options[1] |= BIT_8;
8192                 ha->fw_options[10] |= (u16)SAM_STAT_BUSY << 8;
8193
8194                 /* FW perform Exchange validation */
8195                 ha->fw_options[2] |= BIT_4;
8196         } else {
8197                 ha->fw_options[1]  &= ~BIT_8;
8198                 ha->fw_options[10] &= 0x00ff;
8199
8200                 ha->fw_options[2] &= ~BIT_4;
8201         }
8202
8203         if (ql2xetsenable) {
8204                 /* Enable ETS Burst. */
8205                 memset(ha->fw_options, 0, sizeof(ha->fw_options));
8206                 ha->fw_options[2] |= BIT_9;
8207         }
8208
8209         ql_dbg(ql_dbg_init, vha, 0x00e9,
8210             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
8211             __func__, ha->fw_options[1], ha->fw_options[2],
8212             ha->fw_options[3], vha->host->active_mode);
8213
8214         qla2x00_set_fw_options(vha, ha->fw_options);
8215 }
8216
8217 /*
8218  * qla24xx_get_fcp_prio
8219  *      Gets the fcp cmd priority value for the logged in port.
8220  *      Looks for a match of the port descriptors within
8221  *      each of the fcp prio config entries. If a match is found,
8222  *      the tag (priority) value is returned.
8223  *
8224  * Input:
8225  *      vha = scsi host structure pointer.
8226  *      fcport = port structure pointer.
8227  *
8228  * Return:
8229  *      non-zero (if found)
8230  *      -1 (if not found)
8231  *
8232  * Context:
8233  *      Kernel context
8234  */
8235 static int
8236 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8237 {
8238         int i, entries;
8239         uint8_t pid_match, wwn_match;
8240         int priority;
8241         uint32_t pid1, pid2;
8242         uint64_t wwn1, wwn2;
8243         struct qla_fcp_prio_entry *pri_entry;
8244         struct qla_hw_data *ha = vha->hw;
8245
8246         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
8247                 return -1;
8248
8249         priority = -1;
8250         entries = ha->fcp_prio_cfg->num_entries;
8251         pri_entry = &ha->fcp_prio_cfg->entry[0];
8252
8253         for (i = 0; i < entries; i++) {
8254                 pid_match = wwn_match = 0;
8255
8256                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
8257                         pri_entry++;
8258                         continue;
8259                 }
8260
8261                 /* check source pid for a match */
8262                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
8263                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
8264                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
8265                         if (pid1 == INVALID_PORT_ID)
8266                                 pid_match++;
8267                         else if (pid1 == pid2)
8268                                 pid_match++;
8269                 }
8270
8271                 /* check destination pid for a match */
8272                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
8273                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
8274                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
8275                         if (pid1 == INVALID_PORT_ID)
8276                                 pid_match++;
8277                         else if (pid1 == pid2)
8278                                 pid_match++;
8279                 }
8280
8281                 /* check source WWN for a match */
8282                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
8283                         wwn1 = wwn_to_u64(vha->port_name);
8284                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
8285                         if (wwn2 == (uint64_t)-1)
8286                                 wwn_match++;
8287                         else if (wwn1 == wwn2)
8288                                 wwn_match++;
8289                 }
8290
8291                 /* check destination WWN for a match */
8292                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
8293                         wwn1 = wwn_to_u64(fcport->port_name);
8294                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
8295                         if (wwn2 == (uint64_t)-1)
8296                                 wwn_match++;
8297                         else if (wwn1 == wwn2)
8298                                 wwn_match++;
8299                 }
8300
8301                 if (pid_match == 2 || wwn_match == 2) {
8302                         /* Found a matching entry */
8303                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
8304                                 priority = pri_entry->tag;
8305                         break;
8306                 }
8307
8308                 pri_entry++;
8309         }
8310
8311         return priority;
8312 }
8313
8314 /*
8315  * qla24xx_update_fcport_fcp_prio
8316  *      Activates fcp priority for the logged in fc port
8317  *
8318  * Input:
8319  *      vha = scsi host structure pointer.
8320  *      fcp = port structure pointer.
8321  *
8322  * Return:
8323  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8324  *
8325  * Context:
8326  *      Kernel context.
8327  */
8328 int
8329 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8330 {
8331         int ret;
8332         int priority;
8333         uint16_t mb[5];
8334
8335         if (fcport->port_type != FCT_TARGET ||
8336             fcport->loop_id == FC_NO_LOOP_ID)
8337                 return QLA_FUNCTION_FAILED;
8338
8339         priority = qla24xx_get_fcp_prio(vha, fcport);
8340         if (priority < 0)
8341                 return QLA_FUNCTION_FAILED;
8342
8343         if (IS_P3P_TYPE(vha->hw)) {
8344                 fcport->fcp_prio = priority & 0xf;
8345                 return QLA_SUCCESS;
8346         }
8347
8348         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
8349         if (ret == QLA_SUCCESS) {
8350                 if (fcport->fcp_prio != priority)
8351                         ql_dbg(ql_dbg_user, vha, 0x709e,
8352                             "Updated FCP_CMND priority - value=%d loop_id=%d "
8353                             "port_id=%02x%02x%02x.\n", priority,
8354                             fcport->loop_id, fcport->d_id.b.domain,
8355                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
8356                 fcport->fcp_prio = priority & 0xf;
8357         } else
8358                 ql_dbg(ql_dbg_user, vha, 0x704f,
8359                     "Unable to update FCP_CMND priority - ret=0x%x for "
8360                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
8361                     fcport->d_id.b.domain, fcport->d_id.b.area,
8362                     fcport->d_id.b.al_pa);
8363         return  ret;
8364 }
8365
8366 /*
8367  * qla24xx_update_all_fcp_prio
8368  *      Activates fcp priority for all the logged in ports
8369  *
8370  * Input:
8371  *      ha = adapter block pointer.
8372  *
8373  * Return:
8374  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8375  *
8376  * Context:
8377  *      Kernel context.
8378  */
8379 int
8380 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
8381 {
8382         int ret;
8383         fc_port_t *fcport;
8384
8385         ret = QLA_FUNCTION_FAILED;
8386         /* We need to set priority for all logged in ports */
8387         list_for_each_entry(fcport, &vha->vp_fcports, list)
8388                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
8389
8390         return ret;
8391 }
8392
8393 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
8394         int vp_idx, bool startqp)
8395 {
8396         int rsp_id = 0;
8397         int  req_id = 0;
8398         int i;
8399         struct qla_hw_data *ha = vha->hw;
8400         uint16_t qpair_id = 0;
8401         struct qla_qpair *qpair = NULL;
8402         struct qla_msix_entry *msix;
8403
8404         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
8405                 ql_log(ql_log_warn, vha, 0x00181,
8406                     "FW/Driver is not multi-queue capable.\n");
8407                 return NULL;
8408         }
8409
8410         if (ql2xmqsupport || ql2xnvmeenable) {
8411                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
8412                 if (qpair == NULL) {
8413                         ql_log(ql_log_warn, vha, 0x0182,
8414                             "Failed to allocate memory for queue pair.\n");
8415                         return NULL;
8416                 }
8417                 memset(qpair, 0, sizeof(struct qla_qpair));
8418
8419                 qpair->hw = vha->hw;
8420                 qpair->vha = vha;
8421                 qpair->qp_lock_ptr = &qpair->qp_lock;
8422                 spin_lock_init(&qpair->qp_lock);
8423                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
8424
8425                 /* Assign available que pair id */
8426                 mutex_lock(&ha->mq_lock);
8427                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
8428                 if (ha->num_qpairs >= ha->max_qpairs) {
8429                         mutex_unlock(&ha->mq_lock);
8430                         ql_log(ql_log_warn, vha, 0x0183,
8431                             "No resources to create additional q pair.\n");
8432                         goto fail_qid_map;
8433                 }
8434                 ha->num_qpairs++;
8435                 set_bit(qpair_id, ha->qpair_qid_map);
8436                 ha->queue_pair_map[qpair_id] = qpair;
8437                 qpair->id = qpair_id;
8438                 qpair->vp_idx = vp_idx;
8439                 qpair->fw_started = ha->flags.fw_started;
8440                 INIT_LIST_HEAD(&qpair->hints_list);
8441                 qpair->chip_reset = ha->base_qpair->chip_reset;
8442                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
8443                 qpair->enable_explicit_conf =
8444                     ha->base_qpair->enable_explicit_conf;
8445
8446                 for (i = 0; i < ha->msix_count; i++) {
8447                         msix = &ha->msix_entries[i];
8448                         if (msix->in_use)
8449                                 continue;
8450                         qpair->msix = msix;
8451                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
8452                             "Vector %x selected for qpair\n", msix->vector);
8453                         break;
8454                 }
8455                 if (!qpair->msix) {
8456                         ql_log(ql_log_warn, vha, 0x0184,
8457                             "Out of MSI-X vectors!.\n");
8458                         goto fail_msix;
8459                 }
8460
8461                 qpair->msix->in_use = 1;
8462                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
8463                 qpair->pdev = ha->pdev;
8464                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
8465                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
8466
8467                 mutex_unlock(&ha->mq_lock);
8468
8469                 /* Create response queue first */
8470                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
8471                 if (!rsp_id) {
8472                         ql_log(ql_log_warn, vha, 0x0185,
8473                             "Failed to create response queue.\n");
8474                         goto fail_rsp;
8475                 }
8476
8477                 qpair->rsp = ha->rsp_q_map[rsp_id];
8478
8479                 /* Create request queue */
8480                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
8481                     startqp);
8482                 if (!req_id) {
8483                         ql_log(ql_log_warn, vha, 0x0186,
8484                             "Failed to create request queue.\n");
8485                         goto fail_req;
8486                 }
8487
8488                 qpair->req = ha->req_q_map[req_id];
8489                 qpair->rsp->req = qpair->req;
8490                 qpair->rsp->qpair = qpair;
8491                 /* init qpair to this cpu. Will adjust at run time. */
8492                 qla_cpu_update(qpair, smp_processor_id());
8493
8494                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
8495                         if (ha->fw_attributes & BIT_4)
8496                                 qpair->difdix_supported = 1;
8497                 }
8498
8499                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
8500                 if (!qpair->srb_mempool) {
8501                         ql_log(ql_log_warn, vha, 0xd036,
8502                             "Failed to create srb mempool for qpair %d\n",
8503                             qpair->id);
8504                         goto fail_mempool;
8505                 }
8506
8507                 /* Mark as online */
8508                 qpair->online = 1;
8509
8510                 if (!vha->flags.qpairs_available)
8511                         vha->flags.qpairs_available = 1;
8512
8513                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
8514                     "Request/Response queue pair created, id %d\n",
8515                     qpair->id);
8516                 ql_dbg(ql_dbg_init, vha, 0x0187,
8517                     "Request/Response queue pair created, id %d\n",
8518                     qpair->id);
8519         }
8520         return qpair;
8521
8522 fail_mempool:
8523 fail_req:
8524         qla25xx_delete_rsp_que(vha, qpair->rsp);
8525 fail_rsp:
8526         mutex_lock(&ha->mq_lock);
8527         qpair->msix->in_use = 0;
8528         list_del(&qpair->qp_list_elem);
8529         if (list_empty(&vha->qp_list))
8530                 vha->flags.qpairs_available = 0;
8531 fail_msix:
8532         ha->queue_pair_map[qpair_id] = NULL;
8533         clear_bit(qpair_id, ha->qpair_qid_map);
8534         ha->num_qpairs--;
8535         mutex_unlock(&ha->mq_lock);
8536 fail_qid_map:
8537         kfree(qpair);
8538         return NULL;
8539 }
8540
8541 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
8542 {
8543         int ret = QLA_FUNCTION_FAILED;
8544         struct qla_hw_data *ha = qpair->hw;
8545
8546         qpair->delete_in_progress = 1;
8547         while (atomic_read(&qpair->ref_count))
8548                 msleep(500);
8549
8550         ret = qla25xx_delete_req_que(vha, qpair->req);
8551         if (ret != QLA_SUCCESS)
8552                 goto fail;
8553
8554         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
8555         if (ret != QLA_SUCCESS)
8556                 goto fail;
8557
8558         mutex_lock(&ha->mq_lock);
8559         ha->queue_pair_map[qpair->id] = NULL;
8560         clear_bit(qpair->id, ha->qpair_qid_map);
8561         ha->num_qpairs--;
8562         list_del(&qpair->qp_list_elem);
8563         if (list_empty(&vha->qp_list)) {
8564                 vha->flags.qpairs_available = 0;
8565                 vha->flags.qpairs_req_created = 0;
8566                 vha->flags.qpairs_rsp_created = 0;
8567         }
8568         mempool_destroy(qpair->srb_mempool);
8569         kfree(qpair);
8570         mutex_unlock(&ha->mq_lock);
8571
8572         return QLA_SUCCESS;
8573 fail:
8574         return ret;
8575 }