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