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 *, struct list_head *);
  34 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
  35     uint16_t *);
  36
  37 static int qla2x00_restart_isp(scsi_qla_host_t *);
  38
  39 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  40 static int qla84xx_init_chip(scsi_qla_host_t *);
  41 static int qla25xx_init_queues(struct qla_hw_data *);
  42
  43 /* SRB Extensions ---------------------------------------------------------- */
  44
  45 void
  46 qla2x00_sp_timeout(unsigned long __data)
  47 {
  48         srb_t *sp = (srb_t *)__data;
  49         struct srb_iocb *iocb;
  50         fc_port_t *fcport = sp->fcport;
  51         struct qla_hw_data *ha = fcport->vha->hw;
  52         struct req_que *req;
  53         unsigned long flags;
  54
  55         spin_lock_irqsave(&ha->hardware_lock, flags);
  56         req = ha->req_q_map[0];
  57         req->outstanding_cmds[sp->handle] = NULL;
  58         iocb = &sp->u.iocb_cmd;
  59         iocb->timeout(sp);
  60         sp->free(fcport->vha, sp);
  61         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  62 }
  63
  64 void
  65 qla2x00_sp_free(void *data, void *ptr)
  66 {
  67         srb_t *sp = (srb_t *)ptr;
  68         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  69         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
  70
  71         del_timer(&iocb->timer);
  72         qla2x00_rel_sp(vha, sp);
  73 }
  74
  75 /* Asynchronous Login/Logout Routines -------------------------------------- */
  76
  77 unsigned long
  78 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
  79 {
  80         unsigned long tmo;
  81         struct qla_hw_data *ha = vha->hw;
  82
  83         /* Firmware should use switch negotiated r_a_tov for timeout. */
  84         tmo = ha->r_a_tov / 10 * 2;
  85         if (IS_QLAFX00(ha)) {
  86                 tmo = FX00_DEF_RATOV * 2;
  87         } else if (!IS_FWI2_CAPABLE(ha)) {
  88                 /*
  89                  * Except for earlier ISPs where the timeout is seeded from the
  90                  * initialization control block.
  91                  */
  92                 tmo = ha->login_timeout;
  93         }
  94         return tmo;
  95 }
  96
  97 static void
  98 qla2x00_async_iocb_timeout(void *data)
  99 {
 100         srb_t *sp = (srb_t *)data;
 101         fc_port_t *fcport = sp->fcport;
 102
 103         ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 104             "Async-%s timeout - hdl=%x portid=%02x%02x%02x.\n",
 105             sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
 106             fcport->d_id.b.al_pa);
 107
 108         fcport->flags &= ~FCF_ASYNC_SENT;
 109         if (sp->type == SRB_LOGIN_CMD) {
 110                 struct srb_iocb *lio = &sp->u.iocb_cmd;
 111                 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 112                 /* Retry as needed. */
 113                 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 114                 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 115                         QLA_LOGIO_LOGIN_RETRIED : 0;
 116                 qla2x00_post_async_login_done_work(fcport->vha, fcport,
 117                         lio->u.logio.data);
 118         } else if (sp->type == SRB_LOGOUT_CMD) {
 119                 qlt_logo_completion_handler(fcport, QLA_FUNCTION_TIMEOUT);
 120         }
 121 }
 122
 123 static void
 124 qla2x00_async_login_sp_done(void *data, void *ptr, int res)
 125 {
 126         srb_t *sp = (srb_t *)ptr;
 127         struct srb_iocb *lio = &sp->u.iocb_cmd;
 128         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 129
 130         if (!test_bit(UNLOADING, &vha->dpc_flags))
 131                 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
 132                     lio->u.logio.data);
 133         sp->free(sp->fcport->vha, sp);
 134 }
 135
 136 int
 137 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 138     uint16_t *data)
 139 {
 140         srb_t *sp;
 141         struct srb_iocb *lio;
 142         int rval;
 143
 144         rval = QLA_FUNCTION_FAILED;
 145         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 146         if (!sp)
 147                 goto done;
 148
 149         sp->type = SRB_LOGIN_CMD;
 150         sp->name = "login";
 151         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 152
 153         lio = &sp->u.iocb_cmd;
 154         lio->timeout = qla2x00_async_iocb_timeout;
 155         sp->done = qla2x00_async_login_sp_done;
 156         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 157         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 158                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 159         rval = qla2x00_start_sp(sp);
 160         if (rval != QLA_SUCCESS)
 161                 goto done_free_sp;
 162
 163         ql_dbg(ql_dbg_disc, vha, 0x2072,
 164             "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
 165             "retries=%d.\n", sp->handle, fcport->loop_id,
 166             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 167             fcport->login_retry);
 168         return rval;
 169
 170 done_free_sp:
 171         sp->free(fcport->vha, sp);
 172 done:
 173         return rval;
 174 }
 175
 176 static void
 177 qla2x00_async_logout_sp_done(void *data, void *ptr, int res)
 178 {
 179         srb_t *sp = (srb_t *)ptr;
 180         struct srb_iocb *lio = &sp->u.iocb_cmd;
 181         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 182
 183         if (!test_bit(UNLOADING, &vha->dpc_flags))
 184                 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
 185                     lio->u.logio.data);
 186         sp->free(sp->fcport->vha, sp);
 187 }
 188
 189 int
 190 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 191 {
 192         srb_t *sp;
 193         struct srb_iocb *lio;
 194         int rval;
 195
 196         rval = QLA_FUNCTION_FAILED;
 197         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 198         if (!sp)
 199                 goto done;
 200
 201         sp->type = SRB_LOGOUT_CMD;
 202         sp->name = "logout";
 203         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 204
 205         lio = &sp->u.iocb_cmd;
 206         lio->timeout = qla2x00_async_iocb_timeout;
 207         sp->done = qla2x00_async_logout_sp_done;
 208         rval = qla2x00_start_sp(sp);
 209         if (rval != QLA_SUCCESS)
 210                 goto done_free_sp;
 211
 212         ql_dbg(ql_dbg_disc, vha, 0x2070,
 213             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 214             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 215             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 216         return rval;
 217
 218 done_free_sp:
 219         sp->free(fcport->vha, sp);
 220 done:
 221         return rval;
 222 }
 223
 224 static void
 225 qla2x00_async_adisc_sp_done(void *data, void *ptr, int res)
 226 {
 227         srb_t *sp = (srb_t *)ptr;
 228         struct srb_iocb *lio = &sp->u.iocb_cmd;
 229         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 230
 231         if (!test_bit(UNLOADING, &vha->dpc_flags))
 232                 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
 233                     lio->u.logio.data);
 234         sp->free(sp->fcport->vha, sp);
 235 }
 236
 237 int
 238 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 239     uint16_t *data)
 240 {
 241         srb_t *sp;
 242         struct srb_iocb *lio;
 243         int rval;
 244
 245         rval = QLA_FUNCTION_FAILED;
 246         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 247         if (!sp)
 248                 goto done;
 249
 250         sp->type = SRB_ADISC_CMD;
 251         sp->name = "adisc";
 252         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 253
 254         lio = &sp->u.iocb_cmd;
 255         lio->timeout = qla2x00_async_iocb_timeout;
 256         sp->done = qla2x00_async_adisc_sp_done;
 257         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 258                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 259         rval = qla2x00_start_sp(sp);
 260         if (rval != QLA_SUCCESS)
 261                 goto done_free_sp;
 262
 263         ql_dbg(ql_dbg_disc, vha, 0x206f,
 264             "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
 265             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 266             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 267         return rval;
 268
 269 done_free_sp:
 270         sp->free(fcport->vha, sp);
 271 done:
 272         return rval;
 273 }
 274
 275 static void
 276 qla2x00_tmf_iocb_timeout(void *data)
 277 {
 278         srb_t *sp = (srb_t *)data;
 279         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 280
 281         tmf->u.tmf.comp_status = CS_TIMEOUT;
 282         complete(&tmf->u.tmf.comp);
 283 }
 284
 285 static void
 286 qla2x00_tmf_sp_done(void *data, void *ptr, int res)
 287 {
 288         srb_t *sp = (srb_t *)ptr;
 289         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 290         complete(&tmf->u.tmf.comp);
 291 }
 292
 293 int
 294 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
 295         uint32_t tag)
 296 {
 297         struct scsi_qla_host *vha = fcport->vha;
 298         struct srb_iocb *tm_iocb;
 299         srb_t *sp;
 300         int rval = QLA_FUNCTION_FAILED;
 301
 302         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 303         if (!sp)
 304                 goto done;
 305
 306         tm_iocb = &sp->u.iocb_cmd;
 307         sp->type = SRB_TM_CMD;
 308         sp->name = "tmf";
 309         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
 310         tm_iocb->u.tmf.flags = flags;
 311         tm_iocb->u.tmf.lun = lun;
 312         tm_iocb->u.tmf.data = tag;
 313         sp->done = qla2x00_tmf_sp_done;
 314         tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
 315         init_completion(&tm_iocb->u.tmf.comp);
 316
 317         rval = qla2x00_start_sp(sp);
 318         if (rval != QLA_SUCCESS)
 319                 goto done_free_sp;
 320
 321         ql_dbg(ql_dbg_taskm, vha, 0x802f,
 322             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 323             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 324             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 325
 326         wait_for_completion(&tm_iocb->u.tmf.comp);
 327
 328         rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
 329             QLA_SUCCESS : QLA_FUNCTION_FAILED;
 330
 331         if ((rval != QLA_SUCCESS) || tm_iocb->u.tmf.data) {
 332                 ql_dbg(ql_dbg_taskm, vha, 0x8030,
 333                     "TM IOCB failed (%x).\n", rval);
 334         }
 335
 336         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
 337                 flags = tm_iocb->u.tmf.flags;
 338                 lun = (uint16_t)tm_iocb->u.tmf.lun;
 339
 340                 /* Issue Marker IOCB */
 341                 qla2x00_marker(vha, vha->hw->req_q_map[0],
 342                     vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
 343                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
 344         }
 345
 346 done_free_sp:
 347         sp->free(vha, sp);
 348 done:
 349         return rval;
 350 }
 351
 352 static void
 353 qla24xx_abort_iocb_timeout(void *data)
 354 {
 355         srb_t *sp = (srb_t *)data;
 356         struct srb_iocb *abt = &sp->u.iocb_cmd;
 357
 358         abt->u.abt.comp_status = CS_TIMEOUT;
 359         complete(&abt->u.abt.comp);
 360 }
 361
 362 static void
 363 qla24xx_abort_sp_done(void *data, void *ptr, int res)
 364 {
 365         srb_t *sp = (srb_t *)ptr;
 366         struct srb_iocb *abt = &sp->u.iocb_cmd;
 367
 368         complete(&abt->u.abt.comp);
 369 }
 370
 371 static int
 372 qla24xx_async_abort_cmd(srb_t *cmd_sp)
 373 {
 374         scsi_qla_host_t *vha = cmd_sp->fcport->vha;
 375         fc_port_t *fcport = cmd_sp->fcport;
 376         struct srb_iocb *abt_iocb;
 377         srb_t *sp;
 378         int rval = QLA_FUNCTION_FAILED;
 379
 380         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 381         if (!sp)
 382                 goto done;
 383
 384         abt_iocb = &sp->u.iocb_cmd;
 385         sp->type = SRB_ABT_CMD;
 386         sp->name = "abort";
 387         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
 388         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
 389         sp->done = qla24xx_abort_sp_done;
 390         abt_iocb->timeout = qla24xx_abort_iocb_timeout;
 391         init_completion(&abt_iocb->u.abt.comp);
 392
 393         rval = qla2x00_start_sp(sp);
 394         if (rval != QLA_SUCCESS)
 395                 goto done_free_sp;
 396
 397         ql_dbg(ql_dbg_async, vha, 0x507c,
 398             "Abort command issued - hdl=%x, target_id=%x\n",
 399             cmd_sp->handle, fcport->tgt_id);
 400
 401         wait_for_completion(&abt_iocb->u.abt.comp);
 402
 403         rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
 404             QLA_SUCCESS : QLA_FUNCTION_FAILED;
 405
 406 done_free_sp:
 407         sp->free(vha, sp);
 408 done:
 409         return rval;
 410 }
 411
 412 int
 413 qla24xx_async_abort_command(srb_t *sp)
 414 {
 415         unsigned long   flags = 0;
 416
 417         uint32_t        handle;
 418         fc_port_t       *fcport = sp->fcport;
 419         struct scsi_qla_host *vha = fcport->vha;
 420         struct qla_hw_data *ha = vha->hw;
 421         struct req_que *req = vha->req;
 422
 423         spin_lock_irqsave(&ha->hardware_lock, flags);
 424         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
 425                 if (req->outstanding_cmds[handle] == sp)
 426                         break;
 427         }
 428         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 429         if (handle == req->num_outstanding_cmds) {
 430                 /* Command not found. */
 431                 return QLA_FUNCTION_FAILED;
 432         }
 433         if (sp->type == SRB_FXIOCB_DCMD)
 434                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
 435                     FXDISC_ABORT_IOCTL);
 436
 437         return qla24xx_async_abort_cmd(sp);
 438 }
 439
 440 void
 441 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 442     uint16_t *data)
 443 {
 444         int rval;
 445
 446         switch (data[0]) {
 447         case MBS_COMMAND_COMPLETE:
 448                 /*
 449                  * Driver must validate login state - If PRLI not complete,
 450                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
 451                  * requests.
 452                  */
 453                 rval = qla2x00_get_port_database(vha, fcport, 0);
 454                 if (rval == QLA_NOT_LOGGED_IN) {
 455                         fcport->flags &= ~FCF_ASYNC_SENT;
 456                         fcport->flags |= FCF_LOGIN_NEEDED;
 457                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 458                         break;
 459                 }
 460
 461                 if (rval != QLA_SUCCESS) {
 462                         qla2x00_post_async_logout_work(vha, fcport, NULL);
 463                         qla2x00_post_async_login_work(vha, fcport, NULL);
 464                         break;
 465                 }
 466                 if (fcport->flags & FCF_FCP2_DEVICE) {
 467                         qla2x00_post_async_adisc_work(vha, fcport, data);
 468                         break;
 469                 }
 470                 qla2x00_update_fcport(vha, fcport);
 471                 break;
 472         case MBS_COMMAND_ERROR:
 473                 fcport->flags &= ~FCF_ASYNC_SENT;
 474                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 475                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 476                 else
 477                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 478                 break;
 479         case MBS_PORT_ID_USED:
 480                 fcport->loop_id = data[1];
 481                 qla2x00_post_async_logout_work(vha, fcport, NULL);
 482                 qla2x00_post_async_login_work(vha, fcport, NULL);
 483                 break;
 484         case MBS_LOOP_ID_USED:
 485                 fcport->loop_id++;
 486                 rval = qla2x00_find_new_loop_id(vha, fcport);
 487                 if (rval != QLA_SUCCESS) {
 488                         fcport->flags &= ~FCF_ASYNC_SENT;
 489                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 490                         break;
 491                 }
 492                 qla2x00_post_async_login_work(vha, fcport, NULL);
 493                 break;
 494         }
 495         return;
 496 }
 497
 498 void
 499 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 500     uint16_t *data)
 501 {
 502         /* Don't re-login in target mode */
 503         if (!fcport->tgt_session)
 504                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 505         qlt_logo_completion_handler(fcport, data[0]);
 506         return;
 507 }
 508
 509 void
 510 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 511     uint16_t *data)
 512 {
 513         if (data[0] == MBS_COMMAND_COMPLETE) {
 514                 qla2x00_update_fcport(vha, fcport);
 515
 516                 return;
 517         }
 518
 519         /* Retry login. */
 520         fcport->flags &= ~FCF_ASYNC_SENT;
 521         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 522                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 523         else
 524                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 525
 526         return;
 527 }
 528
 529 /****************************************************************************/
 530 /*                QLogic ISP2x00 Hardware Support Functions.                */
 531 /****************************************************************************/
 532
 533 static int
 534 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
 535 {
 536         int rval = QLA_SUCCESS;
 537         struct qla_hw_data *ha = vha->hw;
 538         uint32_t idc_major_ver, idc_minor_ver;
 539         uint16_t config[4];
 540
 541         qla83xx_idc_lock(vha, 0);
 542
 543         /* SV: TODO: Assign initialization timeout from
 544          * flash-info / other param
 545          */
 546         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
 547         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
 548
 549         /* Set our fcoe function presence */
 550         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
 551                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
 552                     "Error while setting DRV-Presence.\n");
 553                 rval = QLA_FUNCTION_FAILED;
 554                 goto exit;
 555         }
 556
 557         /* Decide the reset ownership */
 558         qla83xx_reset_ownership(vha);
 559
 560         /*
 561          * On first protocol driver load:
 562          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
 563          * register.
 564          * Others: Check compatibility with current IDC Major version.
 565          */
 566         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
 567         if (ha->flags.nic_core_reset_owner) {
 568                 /* Set IDC Major version */
 569                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
 570                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
 571
 572                 /* Clearing IDC-Lock-Recovery register */
 573                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
 574         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
 575                 /*
 576                  * Clear further IDC participation if we are not compatible with
 577                  * the current IDC Major Version.
 578                  */
 579                 ql_log(ql_log_warn, vha, 0xb07d,
 580                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
 581                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
 582                 __qla83xx_clear_drv_presence(vha);
 583                 rval = QLA_FUNCTION_FAILED;
 584                 goto exit;
 585         }
 586         /* Each function sets its supported Minor version. */
 587         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
 588         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
 589         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
 590
 591         if (ha->flags.nic_core_reset_owner) {
 592                 memset(config, 0, sizeof(config));
 593                 if (!qla81xx_get_port_config(vha, config))
 594                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 595                             QLA8XXX_DEV_READY);
 596         }
 597
 598         rval = qla83xx_idc_state_handler(vha);
 599
 600 exit:
 601         qla83xx_idc_unlock(vha, 0);
 602
 603         return rval;
 604 }
 605
 606 /*
 607 * qla2x00_initialize_adapter
 608 *      Initialize board.
 609 *
 610 * Input:
 611 *      ha = adapter block pointer.
 612 *
 613 * Returns:
 614 *      0 = success
 615 */
 616 int
 617 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 618 {
 619         int     rval;
 620         struct qla_hw_data *ha = vha->hw;
 621         struct req_que *req = ha->req_q_map[0];
 622
 623         /* Clear adapter flags. */
 624         vha->flags.online = 0;
 625         ha->flags.chip_reset_done = 0;
 626         vha->flags.reset_active = 0;
 627         ha->flags.pci_channel_io_perm_failure = 0;
 628         ha->flags.eeh_busy = 0;
 629         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
 630         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 631         atomic_set(&vha->loop_state, LOOP_DOWN);
 632         vha->device_flags = DFLG_NO_CABLE;
 633         vha->dpc_flags = 0;
 634         vha->flags.management_server_logged_in = 0;
 635         vha->marker_needed = 0;
 636         ha->isp_abort_cnt = 0;
 637         ha->beacon_blink_led = 0;
 638
 639         set_bit(0, ha->req_qid_map);
 640         set_bit(0, ha->rsp_qid_map);
 641
 642         ql_dbg(ql_dbg_init, vha, 0x0040,
 643             "Configuring PCI space...\n");
 644         rval = ha->isp_ops->pci_config(vha);
 645         if (rval) {
 646                 ql_log(ql_log_warn, vha, 0x0044,
 647                     "Unable to configure PCI space.\n");
 648                 return (rval);
 649         }
 650
 651         ha->isp_ops->reset_chip(vha);
 652
 653         rval = qla2xxx_get_flash_info(vha);
 654         if (rval) {
 655                 ql_log(ql_log_fatal, vha, 0x004f,
 656                     "Unable to validate FLASH data.\n");
 657                 return rval;
 658         }
 659
 660         if (IS_QLA8044(ha)) {
 661                 qla8044_read_reset_template(vha);
 662
 663                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
 664                  * If DONRESET_BIT0 is set, drivers should not set dev_state
 665                  * to NEED_RESET. But if NEED_RESET is set, drivers should
 666                  * should honor the reset. */
 667                 if (ql2xdontresethba == 1)
 668                         qla8044_set_idc_dontreset(vha);
 669         }
 670
 671         ha->isp_ops->get_flash_version(vha, req->ring);
 672         ql_dbg(ql_dbg_init, vha, 0x0061,
 673             "Configure NVRAM parameters...\n");
 674
 675         ha->isp_ops->nvram_config(vha);
 676
 677         if (ha->flags.disable_serdes) {
 678                 /* Mask HBA via NVRAM settings? */
 679                 ql_log(ql_log_info, vha, 0x0077,
 680                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
 681                 return QLA_FUNCTION_FAILED;
 682         }
 683
 684         ql_dbg(ql_dbg_init, vha, 0x0078,
 685             "Verifying loaded RISC code...\n");
 686
 687         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 688                 rval = ha->isp_ops->chip_diag(vha);
 689                 if (rval)
 690                         return (rval);
 691                 rval = qla2x00_setup_chip(vha);
 692                 if (rval)
 693                         return (rval);
 694         }
 695
 696         if (IS_QLA84XX(ha)) {
 697                 ha->cs84xx = qla84xx_get_chip(vha);
 698                 if (!ha->cs84xx) {
 699                         ql_log(ql_log_warn, vha, 0x00d0,
 700                             "Unable to configure ISP84XX.\n");
 701                         return QLA_FUNCTION_FAILED;
 702                 }
 703         }
 704
 705         if (qla_ini_mode_enabled(vha))
 706                 rval = qla2x00_init_rings(vha);
 707
 708         ha->flags.chip_reset_done = 1;
 709
 710         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 711                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 712                 rval = qla84xx_init_chip(vha);
 713                 if (rval != QLA_SUCCESS) {
 714                         ql_log(ql_log_warn, vha, 0x00d4,
 715                             "Unable to initialize ISP84XX.\n");
 716                         qla84xx_put_chip(vha);
 717                 }
 718         }
 719
 720         /* Load the NIC Core f/w if we are the first protocol driver. */
 721         if (IS_QLA8031(ha)) {
 722                 rval = qla83xx_nic_core_fw_load(vha);
 723                 if (rval)
 724                         ql_log(ql_log_warn, vha, 0x0124,
 725                             "Error in initializing NIC Core f/w.\n");
 726         }
 727
 728         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 729                 qla24xx_read_fcp_prio_cfg(vha);
 730
 731         if (IS_P3P_TYPE(ha))
 732                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
 733         else
 734                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
 735
 736         return (rval);
 737 }
 738
 739 /**
 740  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 741  * @ha: HA context
 742  *
 743  * Returns 0 on success.
 744  */
 745 int
 746 qla2100_pci_config(scsi_qla_host_t *vha)
 747 {
 748         uint16_t w;
 749         unsigned long flags;
 750         struct qla_hw_data *ha = vha->hw;
 751         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 752
 753         pci_set_master(ha->pdev);
 754         pci_try_set_mwi(ha->pdev);
 755
 756         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 757         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 758         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 759
 760         pci_disable_rom(ha->pdev);
 761
 762         /* Get PCI bus information. */
 763         spin_lock_irqsave(&ha->hardware_lock, flags);
 764         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 765         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 766
 767         return QLA_SUCCESS;
 768 }
 769
 770 /**
 771  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 772  * @ha: HA context
 773  *
 774  * Returns 0 on success.
 775  */
 776 int
 777 qla2300_pci_config(scsi_qla_host_t *vha)
 778 {
 779         uint16_t        w;
 780         unsigned long   flags = 0;
 781         uint32_t        cnt;
 782         struct qla_hw_data *ha = vha->hw;
 783         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 784
 785         pci_set_master(ha->pdev);
 786         pci_try_set_mwi(ha->pdev);
 787
 788         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 789         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 790
 791         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 792                 w &= ~PCI_COMMAND_INTX_DISABLE;
 793         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 794
 795         /*
 796          * If this is a 2300 card and not 2312, reset the
 797          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 798          * the 2310 also reports itself as a 2300 so we need to get the
 799          * fb revision level -- a 6 indicates it really is a 2300 and
 800          * not a 2310.
 801          */
 802         if (IS_QLA2300(ha)) {
 803                 spin_lock_irqsave(&ha->hardware_lock, flags);
 804
 805                 /* Pause RISC. */
 806                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 807                 for (cnt = 0; cnt < 30000; cnt++) {
 808                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 809                                 break;
 810
 811                         udelay(10);
 812                 }
 813
 814                 /* Select FPM registers. */
 815                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 816                 RD_REG_WORD(&reg->ctrl_status);
 817
 818                 /* Get the fb rev level */
 819                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 820
 821                 if (ha->fb_rev == FPM_2300)
 822                         pci_clear_mwi(ha->pdev);
 823
 824                 /* Deselect FPM registers. */
 825                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 826                 RD_REG_WORD(&reg->ctrl_status);
 827
 828                 /* Release RISC module. */
 829                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 830                 for (cnt = 0; cnt < 30000; cnt++) {
 831                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 832                                 break;
 833
 834                         udelay(10);
 835                 }
 836
 837                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 838         }
 839
 840         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 841
 842         pci_disable_rom(ha->pdev);
 843
 844         /* Get PCI bus information. */
 845         spin_lock_irqsave(&ha->hardware_lock, flags);
 846         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 847         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 848
 849         return QLA_SUCCESS;
 850 }
 851
 852 /**
 853  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 854  * @ha: HA context
 855  *
 856  * Returns 0 on success.
 857  */
 858 int
 859 qla24xx_pci_config(scsi_qla_host_t *vha)
 860 {
 861         uint16_t w;
 862         unsigned long flags = 0;
 863         struct qla_hw_data *ha = vha->hw;
 864         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 865
 866         pci_set_master(ha->pdev);
 867         pci_try_set_mwi(ha->pdev);
 868
 869         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 870         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 871         w &= ~PCI_COMMAND_INTX_DISABLE;
 872         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 873
 874         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 875
 876         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 877         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 878                 pcix_set_mmrbc(ha->pdev, 2048);
 879
 880         /* PCIe -- adjust Maximum Read Request Size (2048). */
 881         if (pci_is_pcie(ha->pdev))
 882                 pcie_set_readrq(ha->pdev, 4096);
 883
 884         pci_disable_rom(ha->pdev);
 885
 886         ha->chip_revision = ha->pdev->revision;
 887
 888         /* Get PCI bus information. */
 889         spin_lock_irqsave(&ha->hardware_lock, flags);
 890         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 891         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 892
 893         return QLA_SUCCESS;
 894 }
 895
 896 /**
 897  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 898  * @ha: HA context
 899  *
 900  * Returns 0 on success.
 901  */
 902 int
 903 qla25xx_pci_config(scsi_qla_host_t *vha)
 904 {
 905         uint16_t w;
 906         struct qla_hw_data *ha = vha->hw;
 907
 908         pci_set_master(ha->pdev);
 909         pci_try_set_mwi(ha->pdev);
 910
 911         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 912         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 913         w &= ~PCI_COMMAND_INTX_DISABLE;
 914         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 915
 916         /* PCIe -- adjust Maximum Read Request Size (2048). */
 917         if (pci_is_pcie(ha->pdev))
 918                 pcie_set_readrq(ha->pdev, 4096);
 919
 920         pci_disable_rom(ha->pdev);
 921
 922         ha->chip_revision = ha->pdev->revision;
 923
 924         return QLA_SUCCESS;
 925 }
 926
 927 /**
 928  * qla2x00_isp_firmware() - Choose firmware image.
 929  * @ha: HA context
 930  *
 931  * Returns 0 on success.
 932  */
 933 static int
 934 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 935 {
 936         int  rval;
 937         uint16_t loop_id, topo, sw_cap;
 938         uint8_t domain, area, al_pa;
 939         struct qla_hw_data *ha = vha->hw;
 940
 941         /* Assume loading risc code */
 942         rval = QLA_FUNCTION_FAILED;
 943
 944         if (ha->flags.disable_risc_code_load) {
 945                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
 946
 947                 /* Verify checksum of loaded RISC code. */
 948                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 949                 if (rval == QLA_SUCCESS) {
 950                         /* And, verify we are not in ROM code. */
 951                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 952                             &area, &domain, &topo, &sw_cap);
 953                 }
 954         }
 955
 956         if (rval)
 957                 ql_dbg(ql_dbg_init, vha, 0x007a,
 958                     "**** Load RISC code ****.\n");
 959
 960         return (rval);
 961 }
 962
 963 /**
 964  * qla2x00_reset_chip() - Reset ISP chip.
 965  * @ha: HA context
 966  *
 967  * Returns 0 on success.
 968  */
 969 void
 970 qla2x00_reset_chip(scsi_qla_host_t *vha)
 971 {
 972         unsigned long   flags = 0;
 973         struct qla_hw_data *ha = vha->hw;
 974         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 975         uint32_t        cnt;
 976         uint16_t        cmd;
 977
 978         if (unlikely(pci_channel_offline(ha->pdev)))
 979                 return;
 980
 981         ha->isp_ops->disable_intrs(ha);
 982
 983         spin_lock_irqsave(&ha->hardware_lock, flags);
 984
 985         /* Turn off master enable */
 986         cmd = 0;
 987         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 988         cmd &= ~PCI_COMMAND_MASTER;
 989         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 990
 991         if (!IS_QLA2100(ha)) {
 992                 /* Pause RISC. */
 993                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 994                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 995                         for (cnt = 0; cnt < 30000; cnt++) {
 996                                 if ((RD_REG_WORD(&reg->hccr) &
 997                                     HCCR_RISC_PAUSE) != 0)
 998                                         break;
 999                                 udelay(100);
1000                         }
1001                 } else {
1002                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
1003                         udelay(10);
1004                 }
1005
1006                 /* Select FPM registers. */
1007                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
1008                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1009
1010                 /* FPM Soft Reset. */
1011                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
1012                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
1013
1014                 /* Toggle Fpm Reset. */
1015                 if (!IS_QLA2200(ha)) {
1016                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
1017                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
1018                 }
1019
1020                 /* Select frame buffer registers. */
1021                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
1022                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1023
1024                 /* Reset frame buffer FIFOs. */
1025                 if (IS_QLA2200(ha)) {
1026                         WRT_FB_CMD_REG(ha, reg, 0xa000);
1027                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
1028                 } else {
1029                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
1030
1031                         /* Read back fb_cmd until zero or 3 seconds max */
1032                         for (cnt = 0; cnt < 3000; cnt++) {
1033                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
1034                                         break;
1035                                 udelay(100);
1036                         }
1037                 }
1038
1039                 /* Select RISC module registers. */
1040                 WRT_REG_WORD(&reg->ctrl_status, 0);
1041                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1042
1043                 /* Reset RISC processor. */
1044                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1045                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1046
1047                 /* Release RISC processor. */
1048                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1049                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1050         }
1051
1052         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
1053         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
1054
1055         /* Reset ISP chip. */
1056         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1057
1058         /* Wait for RISC to recover from reset. */
1059         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1060                 /*
1061                  * It is necessary to for a delay here since the card doesn't
1062                  * respond to PCI reads during a reset. On some architectures
1063                  * this will result in an MCA.
1064                  */
1065                 udelay(20);
1066                 for (cnt = 30000; cnt; cnt--) {
1067                         if ((RD_REG_WORD(&reg->ctrl_status) &
1068                             CSR_ISP_SOFT_RESET) == 0)
1069                                 break;
1070                         udelay(100);
1071                 }
1072         } else
1073                 udelay(10);
1074
1075         /* Reset RISC processor. */
1076         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1077
1078         WRT_REG_WORD(&reg->semaphore, 0);
1079
1080         /* Release RISC processor. */
1081         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1082         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
1083
1084         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1085                 for (cnt = 0; cnt < 30000; cnt++) {
1086                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1087                                 break;
1088
1089                         udelay(100);
1090                 }
1091         } else
1092                 udelay(100);
1093
1094         /* Turn on master enable */
1095         cmd |= PCI_COMMAND_MASTER;
1096         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
1097
1098         /* Disable RISC pause on FPM parity error. */
1099         if (!IS_QLA2100(ha)) {
1100                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
1101                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1102         }
1103
1104         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1105 }
1106
1107 /**
1108  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
1109  *
1110  * Returns 0 on success.
1111  */
1112 static int
1113 qla81xx_reset_mpi(scsi_qla_host_t *vha)
1114 {
1115         uint16_t mb[4] = {0x1010, 0, 1, 0};
1116
1117         if (!IS_QLA81XX(vha->hw))
1118                 return QLA_SUCCESS;
1119
1120         return qla81xx_write_mpi_register(vha, mb);
1121 }
1122
1123 /**
1124  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
1125  * @ha: HA context
1126  *
1127  * Returns 0 on success.
1128  */
1129 static inline int
1130 qla24xx_reset_risc(scsi_qla_host_t *vha)
1131 {
1132         unsigned long flags = 0;
1133         struct qla_hw_data *ha = vha->hw;
1134         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1135         uint32_t cnt;
1136         uint16_t wd;
1137         static int abts_cnt; /* ISP abort retry counts */
1138         int rval = QLA_SUCCESS;
1139
1140         spin_lock_irqsave(&ha->hardware_lock, flags);
1141
1142         /* Reset RISC. */
1143         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1144         for (cnt = 0; cnt < 30000; cnt++) {
1145                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1146                         break;
1147
1148                 udelay(10);
1149         }
1150
1151         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
1152                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
1153
1154         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
1155             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
1156             RD_REG_DWORD(&reg->hccr),
1157             RD_REG_DWORD(&reg->ctrl_status),
1158             (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
1159
1160         WRT_REG_DWORD(&reg->ctrl_status,
1161             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1162         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1163
1164         udelay(100);
1165
1166         /* Wait for firmware to complete NVRAM accesses. */
1167         RD_REG_WORD(&reg->mailbox0);
1168         for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
1169             rval == QLA_SUCCESS; cnt--) {
1170                 barrier();
1171                 if (cnt)
1172                         udelay(5);
1173                 else
1174                         rval = QLA_FUNCTION_TIMEOUT;
1175         }
1176
1177         if (rval == QLA_SUCCESS)
1178                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
1179
1180         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
1181             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
1182             RD_REG_DWORD(&reg->hccr),
1183             RD_REG_DWORD(&reg->mailbox0));
1184
1185         /* Wait for soft-reset to complete. */
1186         RD_REG_DWORD(&reg->ctrl_status);
1187         for (cnt = 0; cnt < 6000000; cnt++) {
1188                 barrier();
1189                 if ((RD_REG_DWORD(&reg->ctrl_status) &
1190                     CSRX_ISP_SOFT_RESET) == 0)
1191                         break;
1192
1193                 udelay(5);
1194         }
1195         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
1196                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
1197
1198         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
1199             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
1200             RD_REG_DWORD(&reg->hccr),
1201             RD_REG_DWORD(&reg->ctrl_status));
1202
1203         /* If required, do an MPI FW reset now */
1204         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1205                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1206                         if (++abts_cnt < 5) {
1207                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1208                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1209                         } else {
1210                                 /*
1211                                  * We exhausted the ISP abort retries. We have to
1212                                  * set the board offline.
1213                                  */
1214                                 abts_cnt = 0;
1215                                 vha->flags.online = 0;
1216                         }
1217                 }
1218         }
1219
1220         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1221         RD_REG_DWORD(&reg->hccr);
1222
1223         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1224         RD_REG_DWORD(&reg->hccr);
1225
1226         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1227         RD_REG_DWORD(&reg->hccr);
1228
1229         RD_REG_WORD(&reg->mailbox0);
1230         for (cnt = 6000000; RD_REG_WORD(&reg->mailbox0) != 0 &&
1231             rval == QLA_SUCCESS; cnt--) {
1232                 barrier();
1233                 if (cnt)
1234                         udelay(5);
1235                 else
1236                         rval = QLA_FUNCTION_TIMEOUT;
1237         }
1238         if (rval == QLA_SUCCESS)
1239                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
1240
1241         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
1242             "Host Risc 0x%x, mailbox0 0x%x\n",
1243             RD_REG_DWORD(&reg->hccr),
1244              RD_REG_WORD(&reg->mailbox0));
1245
1246         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1247
1248         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
1249             "Driver in %s mode\n",
1250             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
1251
1252         if (IS_NOPOLLING_TYPE(ha))
1253                 ha->isp_ops->enable_intrs(ha);
1254
1255         return rval;
1256 }
1257
1258 static void
1259 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
1260 {
1261         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1262
1263         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1264         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
1265
1266 }
1267
1268 static void
1269 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
1270 {
1271         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1272
1273         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1274         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
1275 }
1276
1277 static void
1278 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
1279 {
1280         uint32_t wd32 = 0;
1281         uint delta_msec = 100;
1282         uint elapsed_msec = 0;
1283         uint timeout_msec;
1284         ulong n;
1285
1286         if (vha->hw->pdev->subsystem_device != 0x0175 &&
1287             vha->hw->pdev->subsystem_device != 0x0240)
1288                 return;
1289
1290         WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
1291         udelay(100);
1292
1293 attempt:
1294         timeout_msec = TIMEOUT_SEMAPHORE;
1295         n = timeout_msec / delta_msec;
1296         while (n--) {
1297                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
1298                 qla25xx_read_risc_sema_reg(vha, &wd32);
1299                 if (wd32 & RISC_SEMAPHORE)
1300                         break;
1301                 msleep(delta_msec);
1302                 elapsed_msec += delta_msec;
1303                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1304                         goto force;
1305         }
1306
1307         if (!(wd32 & RISC_SEMAPHORE))
1308                 goto force;
1309
1310         if (!(wd32 & RISC_SEMAPHORE_FORCE))
1311                 goto acquired;
1312
1313         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
1314         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
1315         n = timeout_msec / delta_msec;
1316         while (n--) {
1317                 qla25xx_read_risc_sema_reg(vha, &wd32);
1318                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
1319                         break;
1320                 msleep(delta_msec);
1321                 elapsed_msec += delta_msec;
1322                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1323                         goto force;
1324         }
1325
1326         if (wd32 & RISC_SEMAPHORE_FORCE)
1327                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
1328
1329         goto attempt;
1330
1331 force:
1332         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
1333
1334 acquired:
1335         return;
1336 }
1337
1338 /**
1339  * qla24xx_reset_chip() - Reset ISP24xx chip.
1340  * @ha: HA context
1341  *
1342  * Returns 0 on success.
1343  */
1344 void
1345 qla24xx_reset_chip(scsi_qla_host_t *vha)
1346 {
1347         struct qla_hw_data *ha = vha->hw;
1348
1349         if (pci_channel_offline(ha->pdev) &&
1350             ha->flags.pci_channel_io_perm_failure) {
1351                 return;
1352         }
1353
1354         ha->isp_ops->disable_intrs(ha);
1355
1356         qla25xx_manipulate_risc_semaphore(vha);
1357
1358         /* Perform RISC reset. */
1359         qla24xx_reset_risc(vha);
1360 }
1361
1362 /**
1363  * qla2x00_chip_diag() - Test chip for proper operation.
1364  * @ha: HA context
1365  *
1366  * Returns 0 on success.
1367  */
1368 int
1369 qla2x00_chip_diag(scsi_qla_host_t *vha)
1370 {
1371         int             rval;
1372         struct qla_hw_data *ha = vha->hw;
1373         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1374         unsigned long   flags = 0;
1375         uint16_t        data;
1376         uint32_t        cnt;
1377         uint16_t        mb[5];
1378         struct req_que *req = ha->req_q_map[0];
1379
1380         /* Assume a failed state */
1381         rval = QLA_FUNCTION_FAILED;
1382
1383         ql_dbg(ql_dbg_init, vha, 0x007b,
1384             "Testing device at %lx.\n", (u_long)&reg->flash_address);
1385
1386         spin_lock_irqsave(&ha->hardware_lock, flags);
1387
1388         /* Reset ISP chip. */
1389         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1390
1391         /*
1392          * We need to have a delay here since the card will not respond while
1393          * in reset causing an MCA on some architectures.
1394          */
1395         udelay(20);
1396         data = qla2x00_debounce_register(&reg->ctrl_status);
1397         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1398                 udelay(5);
1399                 data = RD_REG_WORD(&reg->ctrl_status);
1400                 barrier();
1401         }
1402
1403         if (!cnt)
1404                 goto chip_diag_failed;
1405
1406         ql_dbg(ql_dbg_init, vha, 0x007c,
1407             "Reset register cleared by chip reset.\n");
1408
1409         /* Reset RISC processor. */
1410         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1411         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1412
1413         /* Workaround for QLA2312 PCI parity error */
1414         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1415                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1416                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1417                         udelay(5);
1418                         data = RD_MAILBOX_REG(ha, reg, 0);
1419                         barrier();
1420                 }
1421         } else
1422                 udelay(10);
1423
1424         if (!cnt)
1425                 goto chip_diag_failed;
1426
1427         /* Check product ID of chip */
1428         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1429
1430         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1431         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1432         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1433         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1434         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1435             mb[3] != PROD_ID_3) {
1436                 ql_log(ql_log_warn, vha, 0x0062,
1437                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1438                     mb[1], mb[2], mb[3]);
1439
1440                 goto chip_diag_failed;
1441         }
1442         ha->product_id[0] = mb[1];
1443         ha->product_id[1] = mb[2];
1444         ha->product_id[2] = mb[3];
1445         ha->product_id[3] = mb[4];
1446
1447         /* Adjust fw RISC transfer size */
1448         if (req->length > 1024)
1449                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1450         else
1451                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1452                     req->length;
1453
1454         if (IS_QLA2200(ha) &&
1455             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1456                 /* Limit firmware transfer size with a 2200A */
1457                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1458
1459                 ha->device_type |= DT_ISP2200A;
1460                 ha->fw_transfer_size = 128;
1461         }
1462
1463         /* Wrap Incoming Mailboxes Test. */
1464         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1465
1466         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1467         rval = qla2x00_mbx_reg_test(vha);
1468         if (rval)
1469                 ql_log(ql_log_warn, vha, 0x0080,
1470                     "Failed mailbox send register test.\n");
1471         else
1472                 /* Flag a successful rval */
1473                 rval = QLA_SUCCESS;
1474         spin_lock_irqsave(&ha->hardware_lock, flags);
1475
1476 chip_diag_failed:
1477         if (rval)
1478                 ql_log(ql_log_info, vha, 0x0081,
1479                     "Chip diagnostics **** FAILED ****.\n");
1480
1481         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1482
1483         return (rval);
1484 }
1485
1486 /**
1487  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1488  * @ha: HA context
1489  *
1490  * Returns 0 on success.
1491  */
1492 int
1493 qla24xx_chip_diag(scsi_qla_host_t *vha)
1494 {
1495         int rval;
1496         struct qla_hw_data *ha = vha->hw;
1497         struct req_que *req = ha->req_q_map[0];
1498
1499         if (IS_P3P_TYPE(ha))
1500                 return QLA_SUCCESS;
1501
1502         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1503
1504         rval = qla2x00_mbx_reg_test(vha);
1505         if (rval) {
1506                 ql_log(ql_log_warn, vha, 0x0082,
1507                     "Failed mailbox send register test.\n");
1508         } else {
1509                 /* Flag a successful rval */
1510                 rval = QLA_SUCCESS;
1511         }
1512
1513         return rval;
1514 }
1515
1516 void
1517 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1518 {
1519         int rval;
1520         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1521             eft_size, fce_size, mq_size;
1522         dma_addr_t tc_dma;
1523         void *tc;
1524         struct qla_hw_data *ha = vha->hw;
1525         struct req_que *req = ha->req_q_map[0];
1526         struct rsp_que *rsp = ha->rsp_q_map[0];
1527
1528         if (ha->fw_dump) {
1529                 ql_dbg(ql_dbg_init, vha, 0x00bd,
1530                     "Firmware dump already allocated.\n");
1531                 return;
1532         }
1533
1534         ha->fw_dumped = 0;
1535         ha->fw_dump_cap_flags = 0;
1536         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1537         req_q_size = rsp_q_size = 0;
1538
1539         if (IS_QLA27XX(ha))
1540                 goto try_fce;
1541
1542         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1543                 fixed_size = sizeof(struct qla2100_fw_dump);
1544         } else if (IS_QLA23XX(ha)) {
1545                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1546                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1547                     sizeof(uint16_t);
1548         } else if (IS_FWI2_CAPABLE(ha)) {
1549                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
1550                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1551                 else if (IS_QLA81XX(ha))
1552                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1553                 else if (IS_QLA25XX(ha))
1554                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1555                 else
1556                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1557
1558                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1559                     sizeof(uint32_t);
1560                 if (ha->mqenable) {
1561                         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1562                                 mq_size = sizeof(struct qla2xxx_mq_chain);
1563                         /*
1564                          * Allocate maximum buffer size for all queues.
1565                          * Resizing must be done at end-of-dump processing.
1566                          */
1567                         mq_size += ha->max_req_queues *
1568                             (req->length * sizeof(request_t));
1569                         mq_size += ha->max_rsp_queues *
1570                             (rsp->length * sizeof(response_t));
1571                 }
1572                 if (ha->tgt.atio_ring)
1573                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
1574                 /* Allocate memory for Fibre Channel Event Buffer. */
1575                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1576                     !IS_QLA27XX(ha))
1577                         goto try_eft;
1578
1579 try_fce:
1580                 if (ha->fce)
1581                         dma_free_coherent(&ha->pdev->dev,
1582                             FCE_SIZE, ha->fce, ha->fce_dma);
1583
1584                 /* Allocate memory for Fibre Channel Event Buffer. */
1585                 tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1586                                          GFP_KERNEL);
1587                 if (!tc) {
1588                         ql_log(ql_log_warn, vha, 0x00be,
1589                             "Unable to allocate (%d KB) for FCE.\n",
1590                             FCE_SIZE / 1024);
1591                         goto try_eft;
1592                 }
1593
1594                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1595                     ha->fce_mb, &ha->fce_bufs);
1596                 if (rval) {
1597                         ql_log(ql_log_warn, vha, 0x00bf,
1598                             "Unable to initialize FCE (%d).\n", rval);
1599                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1600                             tc_dma);
1601                         ha->flags.fce_enabled = 0;
1602                         goto try_eft;
1603                 }
1604                 ql_dbg(ql_dbg_init, vha, 0x00c0,
1605                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1606
1607                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1608                 ha->flags.fce_enabled = 1;
1609                 ha->fce_dma = tc_dma;
1610                 ha->fce = tc;
1611
1612 try_eft:
1613                 if (ha->eft)
1614                         dma_free_coherent(&ha->pdev->dev,
1615                             EFT_SIZE, ha->eft, ha->eft_dma);
1616
1617                 /* Allocate memory for Extended Trace Buffer. */
1618                 tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1619                                          GFP_KERNEL);
1620                 if (!tc) {
1621                         ql_log(ql_log_warn, vha, 0x00c1,
1622                             "Unable to allocate (%d KB) for EFT.\n",
1623                             EFT_SIZE / 1024);
1624                         goto cont_alloc;
1625                 }
1626
1627                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1628                 if (rval) {
1629                         ql_log(ql_log_warn, vha, 0x00c2,
1630                             "Unable to initialize EFT (%d).\n", rval);
1631                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1632                             tc_dma);
1633                         goto cont_alloc;
1634                 }
1635                 ql_dbg(ql_dbg_init, vha, 0x00c3,
1636                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1637
1638                 eft_size = EFT_SIZE;
1639                 ha->eft_dma = tc_dma;
1640                 ha->eft = tc;
1641         }
1642
1643 cont_alloc:
1644         if (IS_QLA27XX(ha)) {
1645                 if (!ha->fw_dump_template) {
1646                         ql_log(ql_log_warn, vha, 0x00ba,
1647                             "Failed missing fwdump template\n");
1648                         return;
1649                 }
1650                 dump_size = qla27xx_fwdt_calculate_dump_size(vha);
1651                 ql_dbg(ql_dbg_init, vha, 0x00fa,
1652                     "-> allocating fwdump (%x bytes)...\n", dump_size);
1653                 goto allocate;
1654         }
1655
1656         req_q_size = req->length * sizeof(request_t);
1657         rsp_q_size = rsp->length * sizeof(response_t);
1658         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1659         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1660         ha->chain_offset = dump_size;
1661         dump_size += mq_size + fce_size;
1662
1663 allocate:
1664         ha->fw_dump = vmalloc(dump_size);
1665         if (!ha->fw_dump) {
1666                 ql_log(ql_log_warn, vha, 0x00c4,
1667                     "Unable to allocate (%d KB) for firmware dump.\n",
1668                     dump_size / 1024);
1669
1670                 if (ha->fce) {
1671                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1672                             ha->fce_dma);
1673                         ha->fce = NULL;
1674                         ha->fce_dma = 0;
1675                 }
1676
1677                 if (ha->eft) {
1678                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1679                             ha->eft_dma);
1680                         ha->eft = NULL;
1681                         ha->eft_dma = 0;
1682                 }
1683                 return;
1684         }
1685         ha->fw_dump_len = dump_size;
1686         ql_dbg(ql_dbg_init, vha, 0x00c5,
1687             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1688
1689         if (IS_QLA27XX(ha))
1690                 return;
1691
1692         ha->fw_dump->signature[0] = 'Q';
1693         ha->fw_dump->signature[1] = 'L';
1694         ha->fw_dump->signature[2] = 'G';
1695         ha->fw_dump->signature[3] = 'C';
1696         ha->fw_dump->version = htonl(1);
1697
1698         ha->fw_dump->fixed_size = htonl(fixed_size);
1699         ha->fw_dump->mem_size = htonl(mem_size);
1700         ha->fw_dump->req_q_size = htonl(req_q_size);
1701         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1702
1703         ha->fw_dump->eft_size = htonl(eft_size);
1704         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1705         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1706
1707         ha->fw_dump->header_size =
1708             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1709 }
1710
1711 static int
1712 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1713 {
1714 #define MPS_MASK        0xe0
1715         int rval;
1716         uint16_t dc;
1717         uint32_t dw;
1718
1719         if (!IS_QLA81XX(vha->hw))
1720                 return QLA_SUCCESS;
1721
1722         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1723         if (rval != QLA_SUCCESS) {
1724                 ql_log(ql_log_warn, vha, 0x0105,
1725                     "Unable to acquire semaphore.\n");
1726                 goto done;
1727         }
1728
1729         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1730         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1731         if (rval != QLA_SUCCESS) {
1732                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1733                 goto done_release;
1734         }
1735
1736         dc &= MPS_MASK;
1737         if (dc == (dw & MPS_MASK))
1738                 goto done_release;
1739
1740         dw &= ~MPS_MASK;
1741         dw |= dc;
1742         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1743         if (rval != QLA_SUCCESS) {
1744                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1745         }
1746
1747 done_release:
1748         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1749         if (rval != QLA_SUCCESS) {
1750                 ql_log(ql_log_warn, vha, 0x006d,
1751                     "Unable to release semaphore.\n");
1752         }
1753
1754 done:
1755         return rval;
1756 }
1757
1758 int
1759 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
1760 {
1761         /* Don't try to reallocate the array */
1762         if (req->outstanding_cmds)
1763                 return QLA_SUCCESS;
1764
1765         if (!IS_FWI2_CAPABLE(ha) || (ha->mqiobase &&
1766             (ql2xmultique_tag || ql2xmaxqueues > 1)))
1767                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
1768         else {
1769                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
1770                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
1771                 else
1772                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
1773         }
1774
1775         req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1776             req->num_outstanding_cmds, GFP_KERNEL);
1777
1778         if (!req->outstanding_cmds) {
1779                 /*
1780                  * Try to allocate a minimal size just so we can get through
1781                  * initialization.
1782                  */
1783                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
1784                 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1785                     req->num_outstanding_cmds, GFP_KERNEL);
1786
1787                 if (!req->outstanding_cmds) {
1788                         ql_log(ql_log_fatal, NULL, 0x0126,
1789                             "Failed to allocate memory for "
1790                             "outstanding_cmds for req_que %p.\n", req);
1791                         req->num_outstanding_cmds = 0;
1792                         return QLA_FUNCTION_FAILED;
1793                 }
1794         }
1795
1796         return QLA_SUCCESS;
1797 }
1798
1799 /**
1800  * qla2x00_setup_chip() - Load and start RISC firmware.
1801  * @ha: HA context
1802  *
1803  * Returns 0 on success.
1804  */
1805 static int
1806 qla2x00_setup_chip(scsi_qla_host_t *vha)
1807 {
1808         int rval;
1809         uint32_t srisc_address = 0;
1810         struct qla_hw_data *ha = vha->hw;
1811         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1812         unsigned long flags;
1813         uint16_t fw_major_version;
1814
1815         if (IS_P3P_TYPE(ha)) {
1816                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1817                 if (rval == QLA_SUCCESS) {
1818                         qla2x00_stop_firmware(vha);
1819                         goto enable_82xx_npiv;
1820                 } else
1821                         goto failed;
1822         }
1823
1824         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1825                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1826                 spin_lock_irqsave(&ha->hardware_lock, flags);
1827                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1828                 RD_REG_WORD(&reg->hccr);
1829                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1830         }
1831
1832         qla81xx_mpi_sync(vha);
1833
1834         /* Load firmware sequences */
1835         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1836         if (rval == QLA_SUCCESS) {
1837                 ql_dbg(ql_dbg_init, vha, 0x00c9,
1838                     "Verifying Checksum of loaded RISC code.\n");
1839
1840                 rval = qla2x00_verify_checksum(vha, srisc_address);
1841                 if (rval == QLA_SUCCESS) {
1842                         /* Start firmware execution. */
1843                         ql_dbg(ql_dbg_init, vha, 0x00ca,
1844                             "Starting firmware.\n");
1845
1846                         if (ql2xexlogins)
1847                                 ha->flags.exlogins_enabled = 1;
1848
1849                         if (ql2xexchoffld)
1850                                 ha->flags.exchoffld_enabled = 1;
1851
1852                         rval = qla2x00_execute_fw(vha, srisc_address);
1853                         /* Retrieve firmware information. */
1854                         if (rval == QLA_SUCCESS) {
1855                                 rval = qla2x00_set_exlogins_buffer(vha);
1856                                 if (rval != QLA_SUCCESS)
1857                                         goto failed;
1858
1859                                 rval = qla2x00_set_exchoffld_buffer(vha);
1860                                 if (rval != QLA_SUCCESS)
1861                                         goto failed;
1862
1863 enable_82xx_npiv:
1864                                 fw_major_version = ha->fw_major_version;
1865                                 if (IS_P3P_TYPE(ha))
1866                                         qla82xx_check_md_needed(vha);
1867                                 else
1868                                         rval = qla2x00_get_fw_version(vha);
1869                                 if (rval != QLA_SUCCESS)
1870                                         goto failed;
1871                                 ha->flags.npiv_supported = 0;
1872                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1873                                          (ha->fw_attributes & BIT_2)) {
1874                                         ha->flags.npiv_supported = 1;
1875                                         if ((!ha->max_npiv_vports) ||
1876                                             ((ha->max_npiv_vports + 1) %
1877                                             MIN_MULTI_ID_FABRIC))
1878                                                 ha->max_npiv_vports =
1879                                                     MIN_MULTI_ID_FABRIC - 1;
1880                                 }
1881                                 qla2x00_get_resource_cnts(vha);
1882
1883                                 /*
1884                                  * Allocate the array of outstanding commands
1885                                  * now that we know the firmware resources.
1886                                  */
1887                                 rval = qla2x00_alloc_outstanding_cmds(ha,
1888                                     vha->req);
1889                                 if (rval != QLA_SUCCESS)
1890                                         goto failed;
1891
1892                                 if (!fw_major_version && ql2xallocfwdump
1893                                     && !(IS_P3P_TYPE(ha)))
1894                                         qla2x00_alloc_fw_dump(vha);
1895                         } else {
1896                                 goto failed;
1897                         }
1898                 } else {
1899                         ql_log(ql_log_fatal, vha, 0x00cd,
1900                             "ISP Firmware failed checksum.\n");
1901                         goto failed;
1902                 }
1903         } else
1904                 goto failed;
1905
1906         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1907                 /* Enable proper parity. */
1908                 spin_lock_irqsave(&ha->hardware_lock, flags);
1909                 if (IS_QLA2300(ha))
1910                         /* SRAM parity */
1911                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1912                 else
1913                         /* SRAM, Instruction RAM and GP RAM parity */
1914                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1915                 RD_REG_WORD(&reg->hccr);
1916                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1917         }
1918
1919         if (IS_QLA27XX(ha))
1920                 ha->flags.fac_supported = 1;
1921         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1922                 uint32_t size;
1923
1924                 rval = qla81xx_fac_get_sector_size(vha, &size);
1925                 if (rval == QLA_SUCCESS) {
1926                         ha->flags.fac_supported = 1;
1927                         ha->fdt_block_size = size << 2;
1928                 } else {
1929                         ql_log(ql_log_warn, vha, 0x00ce,
1930                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1931                             ha->fw_major_version, ha->fw_minor_version,
1932                             ha->fw_subminor_version);
1933
1934                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
1935                                 ha->flags.fac_supported = 0;
1936                                 rval = QLA_SUCCESS;
1937                         }
1938                 }
1939         }
1940 failed:
1941         if (rval) {
1942                 ql_log(ql_log_fatal, vha, 0x00cf,
1943                     "Setup chip ****FAILED****.\n");
1944         }
1945
1946         return (rval);
1947 }
1948
1949 /**
1950  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1951  * @ha: HA context
1952  *
1953  * Beginning of request ring has initialization control block already built
1954  * by nvram config routine.
1955  *
1956  * Returns 0 on success.
1957  */
1958 void
1959 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1960 {
1961         uint16_t cnt;
1962         response_t *pkt;
1963
1964         rsp->ring_ptr = rsp->ring;
1965         rsp->ring_index    = 0;
1966         rsp->status_srb = NULL;
1967         pkt = rsp->ring_ptr;
1968         for (cnt = 0; cnt < rsp->length; cnt++) {
1969                 pkt->signature = RESPONSE_PROCESSED;
1970                 pkt++;
1971         }
1972 }
1973
1974 /**
1975  * qla2x00_update_fw_options() - Read and process firmware options.
1976  * @ha: HA context
1977  *
1978  * Returns 0 on success.
1979  */
1980 void
1981 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1982 {
1983         uint16_t swing, emphasis, tx_sens, rx_sens;
1984         struct qla_hw_data *ha = vha->hw;
1985
1986         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1987         qla2x00_get_fw_options(vha, ha->fw_options);
1988
1989         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1990                 return;
1991
1992         /* Serial Link options. */
1993         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1994             "Serial link options.\n");
1995         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1996             (uint8_t *)&ha->fw_seriallink_options,
1997             sizeof(ha->fw_seriallink_options));
1998
1999         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
2000         if (ha->fw_seriallink_options[3] & BIT_2) {
2001                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
2002
2003                 /*  1G settings */
2004                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
2005                 emphasis = (ha->fw_seriallink_options[2] &
2006                     (BIT_4 | BIT_3)) >> 3;
2007                 tx_sens = ha->fw_seriallink_options[0] &
2008                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2009                 rx_sens = (ha->fw_seriallink_options[0] &
2010                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
2011                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
2012                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2013                         if (rx_sens == 0x0)
2014                                 rx_sens = 0x3;
2015                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
2016                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2017                         ha->fw_options[10] |= BIT_5 |
2018                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2019                             (tx_sens & (BIT_1 | BIT_0));
2020
2021                 /*  2G settings */
2022                 swing = (ha->fw_seriallink_options[2] &
2023                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
2024                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
2025                 tx_sens = ha->fw_seriallink_options[1] &
2026                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2027                 rx_sens = (ha->fw_seriallink_options[1] &
2028                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
2029                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
2030                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2031                         if (rx_sens == 0x0)
2032                                 rx_sens = 0x3;
2033                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
2034                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2035                         ha->fw_options[11] |= BIT_5 |
2036                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2037                             (tx_sens & (BIT_1 | BIT_0));
2038         }
2039
2040         /* FCP2 options. */
2041         /*  Return command IOCBs without waiting for an ABTS to complete. */
2042         ha->fw_options[3] |= BIT_13;
2043
2044         /* LED scheme. */
2045         if (ha->flags.enable_led_scheme)
2046                 ha->fw_options[2] |= BIT_12;
2047
2048         /* Detect ISP6312. */
2049         if (IS_QLA6312(ha))
2050                 ha->fw_options[2] |= BIT_13;
2051
2052         /* Update firmware options. */
2053         qla2x00_set_fw_options(vha, ha->fw_options);
2054 }
2055
2056 void
2057 qla24xx_update_fw_options(scsi_qla_host_t *vha)
2058 {
2059         int rval;
2060         struct qla_hw_data *ha = vha->hw;
2061
2062         if (IS_P3P_TYPE(ha))
2063                 return;
2064
2065         /* Update Serial Link options. */
2066         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
2067                 return;
2068
2069         rval = qla2x00_set_serdes_params(vha,
2070             le16_to_cpu(ha->fw_seriallink_options24[1]),
2071             le16_to_cpu(ha->fw_seriallink_options24[2]),
2072             le16_to_cpu(ha->fw_seriallink_options24[3]));
2073         if (rval != QLA_SUCCESS) {
2074                 ql_log(ql_log_warn, vha, 0x0104,
2075                     "Unable to update Serial Link options (%x).\n", rval);
2076         }
2077 }
2078
2079 void
2080 qla2x00_config_rings(struct scsi_qla_host *vha)
2081 {
2082         struct qla_hw_data *ha = vha->hw;
2083         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2084         struct req_que *req = ha->req_q_map[0];
2085         struct rsp_que *rsp = ha->rsp_q_map[0];
2086
2087         /* Setup ring parameters in initialization control block. */
2088         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
2089         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
2090         ha->init_cb->request_q_length = cpu_to_le16(req->length);
2091         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
2092         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2093         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2094         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2095         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2096
2097         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
2098         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
2099         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
2100         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
2101         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
2102 }
2103
2104 void
2105 qla24xx_config_rings(struct scsi_qla_host *vha)
2106 {
2107         struct qla_hw_data *ha = vha->hw;
2108         device_reg_t *reg = ISP_QUE_REG(ha, 0);
2109         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
2110         struct qla_msix_entry *msix;
2111         struct init_cb_24xx *icb;
2112         uint16_t rid = 0;
2113         struct req_que *req = ha->req_q_map[0];
2114         struct rsp_que *rsp = ha->rsp_q_map[0];
2115
2116         /* Setup ring parameters in initialization control block. */
2117         icb = (struct init_cb_24xx *)ha->init_cb;
2118         icb->request_q_outpointer = cpu_to_le16(0);
2119         icb->response_q_inpointer = cpu_to_le16(0);
2120         icb->request_q_length = cpu_to_le16(req->length);
2121         icb->response_q_length = cpu_to_le16(rsp->length);
2122         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2123         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2124         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2125         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2126
2127         /* Setup ATIO queue dma pointers for target mode */
2128         icb->atio_q_inpointer = cpu_to_le16(0);
2129         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
2130         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
2131         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
2132
2133         if (IS_SHADOW_REG_CAPABLE(ha))
2134                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
2135
2136         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2137                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
2138                 icb->rid = cpu_to_le16(rid);
2139                 if (ha->flags.msix_enabled) {
2140                         msix = &ha->msix_entries[1];
2141                         ql_dbg(ql_dbg_init, vha, 0x00fd,
2142                             "Registering vector 0x%x for base que.\n",
2143                             msix->entry);
2144                         icb->msix = cpu_to_le16(msix->entry);
2145                 }
2146                 /* Use alternate PCI bus number */
2147                 if (MSB(rid))
2148                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
2149                 /* Use alternate PCI devfn */
2150                 if (LSB(rid))
2151                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
2152
2153                 /* Use Disable MSIX Handshake mode for capable adapters */
2154                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
2155                     (ha->flags.msix_enabled)) {
2156                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
2157                         ha->flags.disable_msix_handshake = 1;
2158                         ql_dbg(ql_dbg_init, vha, 0x00fe,
2159                             "MSIX Handshake Disable Mode turned on.\n");
2160                 } else {
2161                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
2162                 }
2163                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
2164
2165                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
2166                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
2167                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
2168                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
2169         } else {
2170                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
2171                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
2172                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
2173                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
2174         }
2175         qlt_24xx_config_rings(vha);
2176
2177         /* PCI posting */
2178         RD_REG_DWORD(&ioreg->hccr);
2179 }
2180
2181 /**
2182  * qla2x00_init_rings() - Initializes firmware.
2183  * @ha: HA context
2184  *
2185  * Beginning of request ring has initialization control block already built
2186  * by nvram config routine.
2187  *
2188  * Returns 0 on success.
2189  */
2190 int
2191 qla2x00_init_rings(scsi_qla_host_t *vha)
2192 {
2193         int     rval;
2194         unsigned long flags = 0;
2195         int cnt, que;
2196         struct qla_hw_data *ha = vha->hw;
2197         struct req_que *req;
2198         struct rsp_que *rsp;
2199         struct mid_init_cb_24xx *mid_init_cb =
2200             (struct mid_init_cb_24xx *) ha->init_cb;
2201
2202         spin_lock_irqsave(&ha->hardware_lock, flags);
2203
2204         /* Clear outstanding commands array. */
2205         for (que = 0; que < ha->max_req_queues; que++) {
2206                 req = ha->req_q_map[que];
2207                 if (!req)
2208                         continue;
2209                 req->out_ptr = (void *)(req->ring + req->length);
2210                 *req->out_ptr = 0;
2211                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2212                         req->outstanding_cmds[cnt] = NULL;
2213
2214                 req->current_outstanding_cmd = 1;
2215
2216                 /* Initialize firmware. */
2217                 req->ring_ptr  = req->ring;
2218                 req->ring_index    = 0;
2219                 req->cnt      = req->length;
2220         }
2221
2222         for (que = 0; que < ha->max_rsp_queues; que++) {
2223                 rsp = ha->rsp_q_map[que];
2224                 if (!rsp)
2225                         continue;
2226                 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
2227                 *rsp->in_ptr = 0;
2228                 /* Initialize response queue entries */
2229                 if (IS_QLAFX00(ha))
2230                         qlafx00_init_response_q_entries(rsp);
2231                 else
2232                         qla2x00_init_response_q_entries(rsp);
2233         }
2234
2235         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2236         ha->tgt.atio_ring_index = 0;
2237         /* Initialize ATIO queue entries */
2238         qlt_init_atio_q_entries(vha);
2239
2240         ha->isp_ops->config_rings(vha);
2241
2242         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2243
2244         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2245
2246         if (IS_QLAFX00(ha)) {
2247                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
2248                 goto next_check;
2249         }
2250
2251         /* Update any ISP specific firmware options before initialization. */
2252         ha->isp_ops->update_fw_options(vha);
2253
2254         if (ha->flags.npiv_supported) {
2255                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2256                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2257                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2258         }
2259
2260         if (IS_FWI2_CAPABLE(ha)) {
2261                 mid_init_cb->options = cpu_to_le16(BIT_1);
2262                 mid_init_cb->init_cb.execution_throttle =
2263                     cpu_to_le16(ha->cur_fw_xcb_count);
2264                 /* D-Port Status */
2265                 if (IS_DPORT_CAPABLE(ha))
2266                         mid_init_cb->init_cb.firmware_options_1 |=
2267                             cpu_to_le16(BIT_7);
2268                 /* Enable FA-WWPN */
2269                 ha->flags.fawwpn_enabled =
2270                     (mid_init_cb->init_cb.firmware_options_1 & BIT_6) ? 1 : 0;
2271                 ql_dbg(ql_dbg_init, vha, 0x0141, "FA-WWPN Support: %s.\n",
2272                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
2273         }
2274
2275         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2276 next_check:
2277         if (rval) {
2278                 ql_log(ql_log_fatal, vha, 0x00d2,
2279                     "Init Firmware **** FAILED ****.\n");
2280         } else {
2281                 ql_dbg(ql_dbg_init, vha, 0x00d3,
2282                     "Init Firmware -- success.\n");
2283         }
2284
2285         return (rval);
2286 }
2287
2288 /**
2289  * qla2x00_fw_ready() - Waits for firmware ready.
2290  * @ha: HA context
2291  *
2292  * Returns 0 on success.
2293  */
2294 static int
2295 qla2x00_fw_ready(scsi_qla_host_t *vha)
2296 {
2297         int             rval;
2298         unsigned long   wtime, mtime, cs84xx_time;
2299         uint16_t        min_wait;       /* Minimum wait time if loop is down */
2300         uint16_t        wait_time;      /* Wait time if loop is coming ready */
2301         uint16_t        state[6];
2302         struct qla_hw_data *ha = vha->hw;
2303
2304         if (IS_QLAFX00(vha->hw))
2305                 return qlafx00_fw_ready(vha);
2306
2307         rval = QLA_SUCCESS;
2308
2309         /* Time to wait for loop down */
2310         if (IS_P3P_TYPE(ha))
2311                 min_wait = 30;
2312         else
2313                 min_wait = 20;
2314
2315         /*
2316          * Firmware should take at most one RATOV to login, plus 5 seconds for
2317          * our own processing.
2318          */
2319         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2320                 wait_time = min_wait;
2321         }
2322
2323         /* Min wait time if loop down */
2324         mtime = jiffies + (min_wait * HZ);
2325
2326         /* wait time before firmware ready */
2327         wtime = jiffies + (wait_time * HZ);
2328
2329         /* Wait for ISP to finish LIP */
2330         if (!vha->flags.init_done)
2331                 ql_log(ql_log_info, vha, 0x801e,
2332                     "Waiting for LIP to complete.\n");
2333
2334         do {
2335                 memset(state, -1, sizeof(state));
2336                 rval = qla2x00_get_firmware_state(vha, state);
2337                 if (rval == QLA_SUCCESS) {
2338                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
2339                                 vha->device_flags &= ~DFLG_NO_CABLE;
2340                         }
2341                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2342                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
2343                                     "fw_state=%x 84xx=%x.\n", state[0],
2344                                     state[2]);
2345                                 if ((state[2] & FSTATE_LOGGED_IN) &&
2346                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2347                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
2348                                             "Sending verify iocb.\n");
2349
2350                                         cs84xx_time = jiffies;
2351                                         rval = qla84xx_init_chip(vha);
2352                                         if (rval != QLA_SUCCESS) {
2353                                                 ql_log(ql_log_warn,
2354                                                     vha, 0x8007,
2355                                                     "Init chip failed.\n");
2356                                                 break;
2357                                         }
2358
2359                                         /* Add time taken to initialize. */
2360                                         cs84xx_time = jiffies - cs84xx_time;
2361                                         wtime += cs84xx_time;
2362                                         mtime += cs84xx_time;
2363                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
2364                                             "Increasing wait time by %ld. "
2365                                             "New time %ld.\n", cs84xx_time,
2366                                             wtime);
2367                                 }
2368                         } else if (state[0] == FSTATE_READY) {
2369                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2370                                     "F/W Ready - OK.\n");
2371
2372                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2373                                     &ha->login_timeout, &ha->r_a_tov);
2374
2375                                 rval = QLA_SUCCESS;
2376                                 break;
2377                         }
2378
2379                         rval = QLA_FUNCTION_FAILED;
2380
2381                         if (atomic_read(&vha->loop_down_timer) &&
2382                             state[0] != FSTATE_READY) {
2383                                 /* Loop down. Timeout on min_wait for states
2384                                  * other than Wait for Login.
2385                                  */
2386                                 if (time_after_eq(jiffies, mtime)) {
2387                                         ql_log(ql_log_info, vha, 0x8038,
2388                                             "Cable is unplugged...\n");
2389
2390                                         vha->device_flags |= DFLG_NO_CABLE;
2391                                         break;
2392                                 }
2393                         }
2394                 } else {
2395                         /* Mailbox cmd failed. Timeout on min_wait. */
2396                         if (time_after_eq(jiffies, mtime) ||
2397                                 ha->flags.isp82xx_fw_hung)
2398                                 break;
2399                 }
2400
2401                 if (time_after_eq(jiffies, wtime))
2402                         break;
2403
2404                 /* Delay for a while */
2405                 msleep(500);
2406         } while (1);
2407
2408         ql_dbg(ql_dbg_taskm, vha, 0x803a,
2409             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
2410             state[1], state[2], state[3], state[4], state[5], jiffies);
2411
2412         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2413                 ql_log(ql_log_warn, vha, 0x803b,
2414                     "Firmware ready **** FAILED ****.\n");
2415         }
2416
2417         return (rval);
2418 }
2419
2420 /*
2421 *  qla2x00_configure_hba
2422 *      Setup adapter context.
2423 *
2424 * Input:
2425 *      ha = adapter state pointer.
2426 *
2427 * Returns:
2428 *      0 = success
2429 *
2430 * Context:
2431 *      Kernel context.
2432 */
2433 static int
2434 qla2x00_configure_hba(scsi_qla_host_t *vha)
2435 {
2436         int       rval;
2437         uint16_t      loop_id;
2438         uint16_t      topo;
2439         uint16_t      sw_cap;
2440         uint8_t       al_pa;
2441         uint8_t       area;
2442         uint8_t       domain;
2443         char            connect_type[22];
2444         struct qla_hw_data *ha = vha->hw;
2445         unsigned long flags;
2446         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2447
2448         /* Get host addresses. */
2449         rval = qla2x00_get_adapter_id(vha,
2450             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2451         if (rval != QLA_SUCCESS) {
2452                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2453                     IS_CNA_CAPABLE(ha) ||
2454                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2455                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2456                             "Loop is in a transition state.\n");
2457                 } else {
2458                         ql_log(ql_log_warn, vha, 0x2009,
2459                             "Unable to get host loop ID.\n");
2460                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2461                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2462                                 ql_log(ql_log_warn, vha, 0x1151,
2463                                     "Doing link init.\n");
2464                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2465                                         return rval;
2466                         }
2467                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2468                 }
2469                 return (rval);
2470         }
2471
2472         if (topo == 4) {
2473                 ql_log(ql_log_info, vha, 0x200a,
2474                     "Cannot get topology - retrying.\n");
2475                 return (QLA_FUNCTION_FAILED);
2476         }
2477
2478         vha->loop_id = loop_id;
2479
2480         /* initialize */
2481         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2482         ha->operating_mode = LOOP;
2483         ha->switch_cap = 0;
2484
2485         switch (topo) {
2486         case 0:
2487                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2488                 ha->current_topology = ISP_CFG_NL;
2489                 strcpy(connect_type, "(Loop)");
2490                 break;
2491
2492         case 1:
2493                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2494                 ha->switch_cap = sw_cap;
2495                 ha->current_topology = ISP_CFG_FL;
2496                 strcpy(connect_type, "(FL_Port)");
2497                 break;
2498
2499         case 2:
2500                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2501                 ha->operating_mode = P2P;
2502                 ha->current_topology = ISP_CFG_N;
2503                 strcpy(connect_type, "(N_Port-to-N_Port)");
2504                 break;
2505
2506         case 3:
2507                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2508                 ha->switch_cap = sw_cap;
2509                 ha->operating_mode = P2P;
2510                 ha->current_topology = ISP_CFG_F;
2511                 strcpy(connect_type, "(F_Port)");
2512                 break;
2513
2514         default:
2515                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2516                     "HBA in unknown topology %x, using NL.\n", topo);
2517                 ha->current_topology = ISP_CFG_NL;
2518                 strcpy(connect_type, "(Loop)");
2519                 break;
2520         }
2521
2522         /* Save Host port and loop ID. */
2523         /* byte order - Big Endian */
2524         vha->d_id.b.domain = domain;
2525         vha->d_id.b.area = area;
2526         vha->d_id.b.al_pa = al_pa;
2527
2528         spin_lock_irqsave(&ha->vport_slock, flags);
2529         qlt_update_vp_map(vha, SET_AL_PA);
2530         spin_unlock_irqrestore(&ha->vport_slock, flags);
2531
2532         if (!vha->flags.init_done)
2533                 ql_log(ql_log_info, vha, 0x2010,
2534                     "Topology - %s, Host Loop address 0x%x.\n",
2535                     connect_type, vha->loop_id);
2536
2537         return(rval);
2538 }
2539
2540 inline void
2541 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2542         char *def)
2543 {
2544         char *st, *en;
2545         uint16_t index;
2546         struct qla_hw_data *ha = vha->hw;
2547         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2548             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2549
2550         if (memcmp(model, BINZERO, len) != 0) {
2551                 strncpy(ha->model_number, model, len);
2552                 st = en = ha->model_number;
2553                 en += len - 1;
2554                 while (en > st) {
2555                         if (*en != 0x20 && *en != 0x00)
2556                                 break;
2557                         *en-- = '\0';
2558                 }
2559
2560                 index = (ha->pdev->subsystem_device & 0xff);
2561                 if (use_tbl &&
2562                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2563                     index < QLA_MODEL_NAMES)
2564                         strncpy(ha->model_desc,
2565                             qla2x00_model_name[index * 2 + 1],
2566                             sizeof(ha->model_desc) - 1);
2567         } else {
2568                 index = (ha->pdev->subsystem_device & 0xff);
2569                 if (use_tbl &&
2570                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2571                     index < QLA_MODEL_NAMES) {
2572                         strcpy(ha->model_number,
2573                             qla2x00_model_name[index * 2]);
2574                         strncpy(ha->model_desc,
2575                             qla2x00_model_name[index * 2 + 1],
2576                             sizeof(ha->model_desc) - 1);
2577                 } else {
2578                         strcpy(ha->model_number, def);
2579                 }
2580         }
2581         if (IS_FWI2_CAPABLE(ha))
2582                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2583                     sizeof(ha->model_desc));
2584 }
2585
2586 /* On sparc systems, obtain port and node WWN from firmware
2587  * properties.
2588  */
2589 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2590 {
2591 #ifdef CONFIG_SPARC
2592         struct qla_hw_data *ha = vha->hw;
2593         struct pci_dev *pdev = ha->pdev;
2594         struct device_node *dp = pci_device_to_OF_node(pdev);
2595         const u8 *val;
2596         int len;
2597
2598         val = of_get_property(dp, "port-wwn", &len);
2599         if (val && len >= WWN_SIZE)
2600                 memcpy(nv->port_name, val, WWN_SIZE);
2601
2602         val = of_get_property(dp, "node-wwn", &len);
2603         if (val && len >= WWN_SIZE)
2604                 memcpy(nv->node_name, val, WWN_SIZE);
2605 #endif
2606 }
2607
2608 /*
2609 * NVRAM configuration for ISP 2xxx
2610 *
2611 * Input:
2612 *      ha                = adapter block pointer.
2613 *
2614 * Output:
2615 *      initialization control block in response_ring
2616 *      host adapters parameters in host adapter block
2617 *
2618 * Returns:
2619 *      0 = success.
2620 */
2621 int
2622 qla2x00_nvram_config(scsi_qla_host_t *vha)
2623 {
2624         int             rval;
2625         uint8_t         chksum = 0;
2626         uint16_t        cnt;
2627         uint8_t         *dptr1, *dptr2;
2628         struct qla_hw_data *ha = vha->hw;
2629         init_cb_t       *icb = ha->init_cb;
2630         nvram_t         *nv = ha->nvram;
2631         uint8_t         *ptr = ha->nvram;
2632         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2633
2634         rval = QLA_SUCCESS;
2635
2636         /* Determine NVRAM starting address. */
2637         ha->nvram_size = sizeof(nvram_t);
2638         ha->nvram_base = 0;
2639         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2640                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2641                         ha->nvram_base = 0x80;
2642
2643         /* Get NVRAM data and calculate checksum. */
2644         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2645         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2646                 chksum += *ptr++;
2647
2648         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2649             "Contents of NVRAM.\n");
2650         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2651             (uint8_t *)nv, ha->nvram_size);
2652
2653         /* Bad NVRAM data, set defaults parameters. */
2654         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2655             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2656                 /* Reset NVRAM data. */
2657                 ql_log(ql_log_warn, vha, 0x0064,
2658                     "Inconsistent NVRAM "
2659                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2660                     chksum, nv->id[0], nv->nvram_version);
2661                 ql_log(ql_log_warn, vha, 0x0065,
2662                     "Falling back to "
2663                     "functioning (yet invalid -- WWPN) defaults.\n");
2664
2665                 /*
2666                  * Set default initialization control block.
2667                  */
2668                 memset(nv, 0, ha->nvram_size);
2669                 nv->parameter_block_version = ICB_VERSION;
2670
2671                 if (IS_QLA23XX(ha)) {
2672                         nv->firmware_options[0] = BIT_2 | BIT_1;
2673                         nv->firmware_options[1] = BIT_7 | BIT_5;
2674                         nv->add_firmware_options[0] = BIT_5;
2675                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2676                         nv->frame_payload_size = 2048;
2677                         nv->special_options[1] = BIT_7;
2678                 } else if (IS_QLA2200(ha)) {
2679                         nv->firmware_options[0] = BIT_2 | BIT_1;
2680                         nv->firmware_options[1] = BIT_7 | BIT_5;
2681                         nv->add_firmware_options[0] = BIT_5;
2682                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2683                         nv->frame_payload_size = 1024;
2684                 } else if (IS_QLA2100(ha)) {
2685                         nv->firmware_options[0] = BIT_3 | BIT_1;
2686                         nv->firmware_options[1] = BIT_5;
2687                         nv->frame_payload_size = 1024;
2688                 }
2689
2690                 nv->max_iocb_allocation = cpu_to_le16(256);
2691                 nv->execution_throttle = cpu_to_le16(16);
2692                 nv->retry_count = 8;
2693                 nv->retry_delay = 1;
2694
2695                 nv->port_name[0] = 33;
2696                 nv->port_name[3] = 224;
2697                 nv->port_name[4] = 139;
2698
2699                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2700
2701                 nv->login_timeout = 4;
2702
2703                 /*
2704                  * Set default host adapter parameters
2705                  */
2706                 nv->host_p[1] = BIT_2;
2707                 nv->reset_delay = 5;
2708                 nv->port_down_retry_count = 8;
2709                 nv->max_luns_per_target = cpu_to_le16(8);
2710                 nv->link_down_timeout = 60;
2711
2712                 rval = 1;
2713         }
2714
2715 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2716         /*
2717          * The SN2 does not provide BIOS emulation which means you can't change
2718          * potentially bogus BIOS settings. Force the use of default settings
2719          * for link rate and frame size.  Hope that the rest of the settings
2720          * are valid.
2721          */
2722         if (ia64_platform_is("sn2")) {
2723                 nv->frame_payload_size = 2048;
2724                 if (IS_QLA23XX(ha))
2725                         nv->special_options[1] = BIT_7;
2726         }
2727 #endif
2728
2729         /* Reset Initialization control block */
2730         memset(icb, 0, ha->init_cb_size);
2731
2732         /*
2733          * Setup driver NVRAM options.
2734          */
2735         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2736         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2737         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2738         nv->firmware_options[1] &= ~BIT_4;
2739
2740         if (IS_QLA23XX(ha)) {
2741                 nv->firmware_options[0] |= BIT_2;
2742                 nv->firmware_options[0] &= ~BIT_3;
2743                 nv->special_options[0] &= ~BIT_6;
2744                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2745
2746                 if (IS_QLA2300(ha)) {
2747                         if (ha->fb_rev == FPM_2310) {
2748                                 strcpy(ha->model_number, "QLA2310");
2749                         } else {
2750                                 strcpy(ha->model_number, "QLA2300");
2751                         }
2752                 } else {
2753                         qla2x00_set_model_info(vha, nv->model_number,
2754                             sizeof(nv->model_number), "QLA23xx");
2755                 }
2756         } else if (IS_QLA2200(ha)) {
2757                 nv->firmware_options[0] |= BIT_2;
2758                 /*
2759                  * 'Point-to-point preferred, else loop' is not a safe
2760                  * connection mode setting.
2761                  */
2762                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2763                     (BIT_5 | BIT_4)) {
2764                         /* Force 'loop preferred, else point-to-point'. */
2765                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2766                         nv->add_firmware_options[0] |= BIT_5;
2767                 }
2768                 strcpy(ha->model_number, "QLA22xx");
2769         } else /*if (IS_QLA2100(ha))*/ {
2770                 strcpy(ha->model_number, "QLA2100");
2771         }
2772
2773         /*
2774          * Copy over NVRAM RISC parameter block to initialization control block.
2775          */
2776         dptr1 = (uint8_t *)icb;
2777         dptr2 = (uint8_t *)&nv->parameter_block_version;
2778         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2779         while (cnt--)
2780                 *dptr1++ = *dptr2++;
2781
2782         /* Copy 2nd half. */
2783         dptr1 = (uint8_t *)icb->add_firmware_options;
2784         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2785         while (cnt--)
2786                 *dptr1++ = *dptr2++;
2787
2788         /* Use alternate WWN? */
2789         if (nv->host_p[1] & BIT_7) {
2790                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2791                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2792         }
2793
2794         /* Prepare nodename */
2795         if ((icb->firmware_options[1] & BIT_6) == 0) {
2796                 /*
2797                  * Firmware will apply the following mask if the nodename was
2798                  * not provided.
2799                  */
2800                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2801                 icb->node_name[0] &= 0xF0;
2802         }
2803
2804         /*
2805          * Set host adapter parameters.
2806          */
2807
2808         /*
2809          * BIT_7 in the host-parameters section allows for modification to
2810          * internal driver logging.
2811          */
2812         if (nv->host_p[0] & BIT_7)
2813                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2814         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2815         /* Always load RISC code on non ISP2[12]00 chips. */
2816         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2817                 ha->flags.disable_risc_code_load = 0;
2818         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2819         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2820         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2821         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2822         ha->flags.disable_serdes = 0;
2823
2824         ha->operating_mode =
2825             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2826
2827         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2828             sizeof(ha->fw_seriallink_options));
2829
2830         /* save HBA serial number */
2831         ha->serial0 = icb->port_name[5];
2832         ha->serial1 = icb->port_name[6];
2833         ha->serial2 = icb->port_name[7];
2834         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2835         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2836
2837         icb->execution_throttle = cpu_to_le16(0xFFFF);
2838
2839         ha->retry_count = nv->retry_count;
2840
2841         /* Set minimum login_timeout to 4 seconds. */
2842         if (nv->login_timeout != ql2xlogintimeout)
2843                 nv->login_timeout = ql2xlogintimeout;
2844         if (nv->login_timeout < 4)
2845                 nv->login_timeout = 4;
2846         ha->login_timeout = nv->login_timeout;
2847         icb->login_timeout = nv->login_timeout;
2848
2849         /* Set minimum RATOV to 100 tenths of a second. */
2850         ha->r_a_tov = 100;
2851
2852         ha->loop_reset_delay = nv->reset_delay;
2853
2854         /* Link Down Timeout = 0:
2855          *
2856          *      When Port Down timer expires we will start returning
2857          *      I/O's to OS with "DID_NO_CONNECT".
2858          *
2859          * Link Down Timeout != 0:
2860          *
2861          *       The driver waits for the link to come up after link down
2862          *       before returning I/Os to OS with "DID_NO_CONNECT".
2863          */
2864         if (nv->link_down_timeout == 0) {
2865                 ha->loop_down_abort_time =
2866                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2867         } else {
2868                 ha->link_down_timeout =  nv->link_down_timeout;
2869                 ha->loop_down_abort_time =
2870                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2871         }
2872
2873         /*
2874          * Need enough time to try and get the port back.
2875          */
2876         ha->port_down_retry_count = nv->port_down_retry_count;
2877         if (qlport_down_retry)
2878                 ha->port_down_retry_count = qlport_down_retry;
2879         /* Set login_retry_count */
2880         ha->login_retry_count  = nv->retry_count;
2881         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2882             ha->port_down_retry_count > 3)
2883                 ha->login_retry_count = ha->port_down_retry_count;
2884         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2885                 ha->login_retry_count = ha->port_down_retry_count;
2886         if (ql2xloginretrycount)
2887                 ha->login_retry_count = ql2xloginretrycount;
2888
2889         icb->lun_enables = cpu_to_le16(0);
2890         icb->command_resource_count = 0;
2891         icb->immediate_notify_resource_count = 0;
2892         icb->timeout = cpu_to_le16(0);
2893
2894         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2895                 /* Enable RIO */
2896                 icb->firmware_options[0] &= ~BIT_3;
2897                 icb->add_firmware_options[0] &=
2898                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2899                 icb->add_firmware_options[0] |= BIT_2;
2900                 icb->response_accumulation_timer = 3;
2901                 icb->interrupt_delay_timer = 5;
2902
2903                 vha->flags.process_response_queue = 1;
2904         } else {
2905                 /* Enable ZIO. */
2906                 if (!vha->flags.init_done) {
2907                         ha->zio_mode = icb->add_firmware_options[0] &
2908                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2909                         ha->zio_timer = icb->interrupt_delay_timer ?
2910                             icb->interrupt_delay_timer: 2;
2911                 }
2912                 icb->add_firmware_options[0] &=
2913                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2914                 vha->flags.process_response_queue = 0;
2915                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2916                         ha->zio_mode = QLA_ZIO_MODE_6;
2917
2918                         ql_log(ql_log_info, vha, 0x0068,
2919                             "ZIO mode %d enabled; timer delay (%d us).\n",
2920                             ha->zio_mode, ha->zio_timer * 100);
2921
2922                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2923                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2924                         vha->flags.process_response_queue = 1;
2925                 }
2926         }
2927
2928         if (rval) {
2929                 ql_log(ql_log_warn, vha, 0x0069,
2930                     "NVRAM configuration failed.\n");
2931         }
2932         return (rval);
2933 }
2934
2935 static void
2936 qla2x00_rport_del(void *data)
2937 {
2938         fc_port_t *fcport = data;
2939         struct fc_rport *rport;
2940         unsigned long flags;
2941
2942         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2943         rport = fcport->drport ? fcport->drport: fcport->rport;
2944         fcport->drport = NULL;
2945         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2946         if (rport)
2947                 fc_remote_port_delete(rport);
2948 }
2949
2950 /**
2951  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2952  * @ha: HA context
2953  * @flags: allocation flags
2954  *
2955  * Returns a pointer to the allocated fcport, or NULL, if none available.
2956  */
2957 fc_port_t *
2958 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2959 {
2960         fc_port_t *fcport;
2961
2962         fcport = kzalloc(sizeof(fc_port_t), flags);
2963         if (!fcport)
2964                 return NULL;
2965
2966         /* Setup fcport template structure. */
2967         fcport->vha = vha;
2968         fcport->port_type = FCT_UNKNOWN;
2969         fcport->loop_id = FC_NO_LOOP_ID;
2970         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2971         fcport->supported_classes = FC_COS_UNSPECIFIED;
2972
2973         return fcport;
2974 }
2975
2976 /*
2977  * qla2x00_configure_loop
2978  *      Updates Fibre Channel Device Database with what is actually on loop.
2979  *
2980  * Input:
2981  *      ha                = adapter block pointer.
2982  *
2983  * Returns:
2984  *      0 = success.
2985  *      1 = error.
2986  *      2 = database was full and device was not configured.
2987  */
2988 static int
2989 qla2x00_configure_loop(scsi_qla_host_t *vha)
2990 {
2991         int  rval;
2992         unsigned long flags, save_flags;
2993         struct qla_hw_data *ha = vha->hw;
2994         rval = QLA_SUCCESS;
2995
2996         /* Get Initiator ID */
2997         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2998                 rval = qla2x00_configure_hba(vha);
2999                 if (rval != QLA_SUCCESS) {
3000                         ql_dbg(ql_dbg_disc, vha, 0x2013,
3001                             "Unable to configure HBA.\n");
3002                         return (rval);
3003                 }
3004         }
3005
3006         save_flags = flags = vha->dpc_flags;
3007         ql_dbg(ql_dbg_disc, vha, 0x2014,
3008             "Configure loop -- dpc flags = 0x%lx.\n", flags);
3009
3010         /*
3011          * If we have both an RSCN and PORT UPDATE pending then handle them
3012          * both at the same time.
3013          */
3014         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3015         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
3016
3017         qla2x00_get_data_rate(vha);
3018
3019         /* Determine what we need to do */
3020         if (ha->current_topology == ISP_CFG_FL &&
3021             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3022
3023                 set_bit(RSCN_UPDATE, &flags);
3024
3025         } else if (ha->current_topology == ISP_CFG_F &&
3026             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3027
3028                 set_bit(RSCN_UPDATE, &flags);
3029                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
3030
3031         } else if (ha->current_topology == ISP_CFG_N) {
3032                 clear_bit(RSCN_UPDATE, &flags);
3033
3034         } else if (!vha->flags.online ||
3035             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
3036
3037                 set_bit(RSCN_UPDATE, &flags);
3038                 set_bit(LOCAL_LOOP_UPDATE, &flags);
3039         }
3040
3041         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
3042                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3043                         ql_dbg(ql_dbg_disc, vha, 0x2015,
3044                             "Loop resync needed, failing.\n");
3045                         rval = QLA_FUNCTION_FAILED;
3046                 } else
3047                         rval = qla2x00_configure_local_loop(vha);
3048         }
3049
3050         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
3051                 if (LOOP_TRANSITION(vha)) {
3052                         ql_dbg(ql_dbg_disc, vha, 0x201e,
3053                             "Needs RSCN update and loop transition.\n");
3054                         rval = QLA_FUNCTION_FAILED;
3055                 }
3056                 else
3057                         rval = qla2x00_configure_fabric(vha);
3058         }
3059
3060         if (rval == QLA_SUCCESS) {
3061                 if (atomic_read(&vha->loop_down_timer) ||
3062                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3063                         rval = QLA_FUNCTION_FAILED;
3064                 } else {
3065                         atomic_set(&vha->loop_state, LOOP_READY);
3066                         ql_dbg(ql_dbg_disc, vha, 0x2069,
3067                             "LOOP READY.\n");
3068
3069                         /*
3070                          * Process any ATIO queue entries that came in
3071                          * while we weren't online.
3072                          */
3073                         if (qla_tgt_mode_enabled(vha)) {
3074                                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha)) {
3075                                         spin_lock_irqsave(&ha->tgt.atio_lock,
3076                                             flags);
3077                                         qlt_24xx_process_atio_queue(vha, 0);
3078                                         spin_unlock_irqrestore(
3079                                             &ha->tgt.atio_lock, flags);
3080                                 } else {
3081                                         spin_lock_irqsave(&ha->hardware_lock,
3082                                             flags);
3083                                         qlt_24xx_process_atio_queue(vha, 1);
3084                                         spin_unlock_irqrestore(
3085                                             &ha->hardware_lock, flags);
3086                                 }
3087                         }
3088                 }
3089         }
3090
3091         if (rval) {
3092                 ql_dbg(ql_dbg_disc, vha, 0x206a,
3093                     "%s *** FAILED ***.\n", __func__);
3094         } else {
3095                 ql_dbg(ql_dbg_disc, vha, 0x206b,
3096                     "%s: exiting normally.\n", __func__);
3097         }
3098
3099         /* Restore state if a resync event occurred during processing */
3100         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3101                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
3102                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3103                 if (test_bit(RSCN_UPDATE, &save_flags)) {
3104                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
3105                 }
3106         }
3107
3108         return (rval);
3109 }
3110
3111
3112
3113 /*
3114  * qla2x00_configure_local_loop
3115  *      Updates Fibre Channel Device Database with local loop devices.
3116  *
3117  * Input:
3118  *      ha = adapter block pointer.
3119  *
3120  * Returns:
3121  *      0 = success.
3122  */
3123 static int
3124 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
3125 {
3126         int             rval, rval2;
3127         int             found_devs;
3128         int             found;
3129         fc_port_t       *fcport, *new_fcport;
3130
3131         uint16_t        index;
3132         uint16_t        entries;
3133         char            *id_iter;
3134         uint16_t        loop_id;
3135         uint8_t         domain, area, al_pa;
3136         struct qla_hw_data *ha = vha->hw;
3137
3138         found_devs = 0;
3139         new_fcport = NULL;
3140         entries = MAX_FIBRE_DEVICES_LOOP;
3141
3142         /* Get list of logged in devices. */
3143         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
3144         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
3145             &entries);
3146         if (rval != QLA_SUCCESS)
3147                 goto cleanup_allocation;
3148
3149         ql_dbg(ql_dbg_disc, vha, 0x2017,
3150             "Entries in ID list (%d).\n", entries);
3151         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
3152             (uint8_t *)ha->gid_list,
3153             entries * sizeof(struct gid_list_info));
3154
3155         /* Allocate temporary fcport for any new fcports discovered. */
3156         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3157         if (new_fcport == NULL) {
3158                 ql_log(ql_log_warn, vha, 0x2018,
3159                     "Memory allocation failed for fcport.\n");
3160                 rval = QLA_MEMORY_ALLOC_FAILED;
3161                 goto cleanup_allocation;
3162         }
3163         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3164
3165         /*
3166          * Mark local devices that were present with FCF_DEVICE_LOST for now.
3167          */
3168         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3169                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
3170                     fcport->port_type != FCT_BROADCAST &&
3171                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3172
3173                         ql_dbg(ql_dbg_disc, vha, 0x2019,
3174                             "Marking port lost loop_id=0x%04x.\n",
3175                             fcport->loop_id);
3176
3177                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3178                 }
3179         }
3180
3181         /* Add devices to port list. */
3182         id_iter = (char *)ha->gid_list;
3183         for (index = 0; index < entries; index++) {
3184                 domain = ((struct gid_list_info *)id_iter)->domain;
3185                 area = ((struct gid_list_info *)id_iter)->area;
3186                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
3187                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
3188                         loop_id = (uint16_t)
3189                             ((struct gid_list_info *)id_iter)->loop_id_2100;
3190                 else
3191                         loop_id = le16_to_cpu(
3192                             ((struct gid_list_info *)id_iter)->loop_id);
3193                 id_iter += ha->gid_list_info_size;
3194
3195                 /* Bypass reserved domain fields. */
3196                 if ((domain & 0xf0) == 0xf0)
3197                         continue;
3198
3199                 /* Bypass if not same domain and area of adapter. */
3200                 if (area && domain &&
3201                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
3202                         continue;
3203
3204                 /* Bypass invalid local loop ID. */
3205                 if (loop_id > LAST_LOCAL_LOOP_ID)
3206                         continue;
3207
3208                 memset(new_fcport, 0, sizeof(fc_port_t));
3209
3210                 /* Fill in member data. */
3211                 new_fcport->d_id.b.domain = domain;
3212                 new_fcport->d_id.b.area = area;
3213                 new_fcport->d_id.b.al_pa = al_pa;
3214                 new_fcport->loop_id = loop_id;
3215                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
3216                 if (rval2 != QLA_SUCCESS) {
3217                         ql_dbg(ql_dbg_disc, vha, 0x201a,
3218                             "Failed to retrieve fcport information "
3219                             "-- get_port_database=%x, loop_id=0x%04x.\n",
3220                             rval2, new_fcport->loop_id);
3221                         ql_dbg(ql_dbg_disc, vha, 0x201b,
3222                             "Scheduling resync.\n");
3223                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3224                         continue;
3225                 }
3226
3227                 /* Check for matching device in port list. */
3228                 found = 0;
3229                 fcport = NULL;
3230                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3231                         if (memcmp(new_fcport->port_name, fcport->port_name,
3232                             WWN_SIZE))
3233                                 continue;
3234
3235                         fcport->flags &= ~FCF_FABRIC_DEVICE;
3236                         fcport->loop_id = new_fcport->loop_id;
3237                         fcport->port_type = new_fcport->port_type;
3238                         fcport->d_id.b24 = new_fcport->d_id.b24;
3239                         memcpy(fcport->node_name, new_fcport->node_name,
3240                             WWN_SIZE);
3241
3242                         found++;
3243                         break;
3244                 }
3245
3246                 if (!found) {
3247                         /* New device, add to fcports list. */
3248                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
3249
3250                         /* Allocate a new replacement fcport. */
3251                         fcport = new_fcport;
3252                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3253                         if (new_fcport == NULL) {
3254                                 ql_log(ql_log_warn, vha, 0x201c,
3255                                     "Failed to allocate memory for fcport.\n");
3256                                 rval = QLA_MEMORY_ALLOC_FAILED;
3257                                 goto cleanup_allocation;
3258                         }
3259                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3260                 }
3261
3262                 /* Base iIDMA settings on HBA port speed. */
3263                 fcport->fp_speed = ha->link_data_rate;
3264
3265                 qla2x00_update_fcport(vha, fcport);
3266
3267                 found_devs++;
3268         }
3269
3270 cleanup_allocation:
3271         kfree(new_fcport);
3272
3273         if (rval != QLA_SUCCESS) {
3274                 ql_dbg(ql_dbg_disc, vha, 0x201d,
3275                     "Configure local loop error exit: rval=%x.\n", rval);
3276         }
3277
3278         return (rval);
3279 }
3280
3281 static void
3282 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3283 {
3284         int rval;
3285         uint16_t mb[MAILBOX_REGISTER_COUNT];
3286         struct qla_hw_data *ha = vha->hw;
3287
3288         if (!IS_IIDMA_CAPABLE(ha))
3289                 return;
3290
3291         if (atomic_read(&fcport->state) != FCS_ONLINE)
3292                 return;
3293
3294         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3295             fcport->fp_speed > ha->link_data_rate)
3296                 return;
3297
3298         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3299             mb);
3300         if (rval != QLA_SUCCESS) {
3301                 ql_dbg(ql_dbg_disc, vha, 0x2004,
3302                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
3303                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
3304         } else {
3305                 ql_dbg(ql_dbg_disc, vha, 0x2005,
3306                     "iIDMA adjusted to %s GB/s on %8phN.\n",
3307                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3308                     fcport->port_name);
3309         }
3310 }
3311
3312 static void
3313 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3314 {
3315         struct fc_rport_identifiers rport_ids;
3316         struct fc_rport *rport;
3317         unsigned long flags;
3318
3319         rport_ids.node_name = wwn_to_u64(fcport->node_name);
3320         rport_ids.port_name = wwn_to_u64(fcport->port_name);
3321         rport_ids.port_id = fcport->d_id.b.domain << 16 |
3322             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3323         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3324         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3325         if (!rport) {
3326                 ql_log(ql_log_warn, vha, 0x2006,
3327                     "Unable to allocate fc remote port.\n");
3328                 return;
3329         }
3330         /*
3331          * Create target mode FC NEXUS in qla_target.c if target mode is
3332          * enabled..
3333          */
3334
3335         qlt_fc_port_added(vha, fcport);
3336
3337         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3338         *((fc_port_t **)rport->dd_data) = fcport;
3339         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3340
3341         rport->supported_classes = fcport->supported_classes;
3342
3343         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3344         if (fcport->port_type == FCT_INITIATOR)
3345                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3346         if (fcport->port_type == FCT_TARGET)
3347                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3348         fc_remote_port_rolechg(rport, rport_ids.roles);
3349 }
3350
3351 /*
3352  * qla2x00_update_fcport
3353  *      Updates device on list.
3354  *
3355  * Input:
3356  *      ha = adapter block pointer.
3357  *      fcport = port structure pointer.
3358  *
3359  * Return:
3360  *      0  - Success
3361  *  BIT_0 - error
3362  *
3363  * Context:
3364  *      Kernel context.
3365  */
3366 void
3367 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3368 {
3369         fcport->vha = vha;
3370
3371         if (IS_QLAFX00(vha->hw)) {
3372                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3373                 goto reg_port;
3374         }
3375         fcport->login_retry = 0;
3376         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3377
3378         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3379         qla2x00_iidma_fcport(vha, fcport);
3380         qla24xx_update_fcport_fcp_prio(vha, fcport);
3381
3382 reg_port:
3383         if (qla_ini_mode_enabled(vha))
3384                 qla2x00_reg_remote_port(vha, fcport);
3385         else {
3386                 /*
3387                  * Create target mode FC NEXUS in qla_target.c
3388                  */
3389                 qlt_fc_port_added(vha, fcport);
3390         }
3391 }
3392
3393 /*
3394  * qla2x00_configure_fabric
3395  *      Setup SNS devices with loop ID's.
3396  *
3397  * Input:
3398  *      ha = adapter block pointer.
3399  *
3400  * Returns:
3401  *      0 = success.
3402  *      BIT_0 = error
3403  */
3404 static int
3405 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3406 {
3407         int     rval;
3408         fc_port_t       *fcport, *fcptemp;
3409         uint16_t        next_loopid;
3410         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3411         uint16_t        loop_id;
3412         LIST_HEAD(new_fcports);
3413         struct qla_hw_data *ha = vha->hw;
3414         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3415         int             discovery_gen;
3416
3417         /* If FL port exists, then SNS is present */
3418         if (IS_FWI2_CAPABLE(ha))
3419                 loop_id = NPH_F_PORT;
3420         else
3421                 loop_id = SNS_FL_PORT;
3422         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3423         if (rval != QLA_SUCCESS) {
3424                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3425                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3426
3427                 vha->device_flags &= ~SWITCH_FOUND;
3428                 return (QLA_SUCCESS);
3429         }
3430         vha->device_flags |= SWITCH_FOUND;
3431
3432         do {
3433                 /* FDMI support. */
3434                 if (ql2xfdmienable &&
3435                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3436                         qla2x00_fdmi_register(vha);
3437
3438                 /* Ensure we are logged into the SNS. */
3439                 if (IS_FWI2_CAPABLE(ha))
3440                         loop_id = NPH_SNS;
3441                 else
3442                         loop_id = SIMPLE_NAME_SERVER;
3443                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3444                     0xfc, mb, BIT_1|BIT_0);
3445                 if (rval != QLA_SUCCESS) {
3446                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3447                         return rval;
3448                 }
3449                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3450                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3451                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3452                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3453                             mb[2], mb[6], mb[7]);
3454                         return (QLA_SUCCESS);
3455                 }
3456
3457                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3458                         if (qla2x00_rft_id(vha)) {
3459                                 /* EMPTY */
3460                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3461                                     "Register FC-4 TYPE failed.\n");
3462                         }
3463                         if (qla2x00_rff_id(vha)) {
3464                                 /* EMPTY */
3465                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3466                                     "Register FC-4 Features failed.\n");
3467                         }
3468                         if (qla2x00_rnn_id(vha)) {
3469                                 /* EMPTY */
3470                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3471                                     "Register Node Name failed.\n");
3472                         } else if (qla2x00_rsnn_nn(vha)) {
3473                                 /* EMPTY */
3474                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3475                                     "Register Symobilic Node Name failed.\n");
3476                         }
3477                 }
3478
3479 #define QLA_FCPORT_SCAN         1
3480 #define QLA_FCPORT_FOUND        2
3481
3482                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3483                         fcport->scan_state = QLA_FCPORT_SCAN;
3484                 }
3485
3486                 /* Mark the time right before querying FW for connected ports.
3487                  * This process is long, asynchronous and by the time it's done,
3488                  * collected information might not be accurate anymore. E.g.
3489                  * disconnected port might have re-connected and a brand new
3490                  * session has been created. In this case session's generation
3491                  * will be newer than discovery_gen. */
3492                 qlt_do_generation_tick(vha, &discovery_gen);
3493
3494                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3495                 if (rval != QLA_SUCCESS)
3496                         break;
3497
3498                 /*
3499                  * Logout all previous fabric devices marked lost, except
3500                  * FCP2 devices.
3501                  */
3502                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3503                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3504                                 break;
3505
3506                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3507                                 continue;
3508
3509                         if (fcport->scan_state == QLA_FCPORT_SCAN) {
3510                                 if (qla_ini_mode_enabled(base_vha) &&
3511                                     atomic_read(&fcport->state) == FCS_ONLINE) {
3512                                         qla2x00_mark_device_lost(vha, fcport,
3513                                             ql2xplogiabsentdevice, 0);
3514                                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3515                                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3516                                             fcport->port_type != FCT_INITIATOR &&
3517                                             fcport->port_type != FCT_BROADCAST) {
3518                                                 ha->isp_ops->fabric_logout(vha,
3519                                                     fcport->loop_id,
3520                                                     fcport->d_id.b.domain,
3521                                                     fcport->d_id.b.area,
3522                                                     fcport->d_id.b.al_pa);
3523                                                 qla2x00_clear_loop_id(fcport);
3524                                         }
3525                                 } else if (!qla_ini_mode_enabled(base_vha)) {
3526                                         /*
3527                                          * In target mode, explicitly kill
3528                                          * sessions and log out of devices
3529                                          * that are gone, so that we don't
3530                                          * end up with an initiator using the
3531                                          * wrong ACL (if the fabric recycles
3532                                          * an FC address and we have a stale
3533                                          * session around) and so that we don't
3534                                          * report initiators that are no longer
3535                                          * on the fabric.
3536                                          */
3537                                         ql_dbg(ql_dbg_tgt_mgt, vha, 0xf077,
3538                                             "port gone, logging out/killing session: "
3539                                             "%8phC state 0x%x flags 0x%x fc4_type 0x%x "
3540                                             "scan_state %d\n",
3541                                             fcport->port_name,
3542                                             atomic_read(&fcport->state),
3543                                             fcport->flags, fcport->fc4_type,
3544                                             fcport->scan_state);
3545                                         qlt_fc_port_deleted(vha, fcport,
3546                                             discovery_gen);
3547                                 }
3548                         }
3549                 }
3550
3551                 /* Starting free loop ID. */
3552                 next_loopid = ha->min_external_loopid;
3553
3554                 /*
3555                  * Scan through our port list and login entries that need to be
3556                  * logged in.
3557                  */
3558                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3559                         if (atomic_read(&vha->loop_down_timer) ||
3560                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3561                                 break;
3562
3563                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3564                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3565                                 continue;
3566
3567                         /*
3568                          * If we're not an initiator, skip looking for devices
3569                          * and logging in.  There's no reason for us to do it,
3570                          * and it seems to actively cause problems in target
3571                          * mode if we race with the initiator logging into us
3572                          * (we might get the "port ID used" status back from
3573                          * our login command and log out the initiator, which
3574                          * seems to cause havoc).
3575                          */
3576                         if (!qla_ini_mode_enabled(base_vha)) {
3577                                 if (fcport->scan_state == QLA_FCPORT_FOUND) {
3578                                         ql_dbg(ql_dbg_tgt_mgt, vha, 0xf078,
3579                                             "port %8phC state 0x%x flags 0x%x fc4_type 0x%x "
3580                                             "scan_state %d (initiator mode disabled; skipping "
3581                                             "login)\n", fcport->port_name,
3582                                             atomic_read(&fcport->state),
3583                                             fcport->flags, fcport->fc4_type,
3584                                             fcport->scan_state);
3585                                 }
3586                                 continue;
3587                         }
3588
3589                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3590                                 fcport->loop_id = next_loopid;
3591                                 rval = qla2x00_find_new_loop_id(
3592                                     base_vha, fcport);
3593                                 if (rval != QLA_SUCCESS) {
3594                                         /* Ran out of IDs to use */
3595                                         break;
3596                                 }
3597                         }
3598                         /* Login and update database */
3599                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3600                 }
3601
3602                 /* Exit if out of loop IDs. */
3603                 if (rval != QLA_SUCCESS) {
3604                         break;
3605                 }
3606
3607                 /*
3608                  * Login and add the new devices to our port list.
3609                  */
3610                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3611                         if (atomic_read(&vha->loop_down_timer) ||
3612                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3613                                 break;
3614
3615                         /*
3616                          * If we're not an initiator, skip looking for devices
3617                          * and logging in.  There's no reason for us to do it,
3618                          * and it seems to actively cause problems in target
3619                          * mode if we race with the initiator logging into us
3620                          * (we might get the "port ID used" status back from
3621                          * our login command and log out the initiator, which
3622                          * seems to cause havoc).
3623                          */
3624                         if (qla_ini_mode_enabled(base_vha)) {
3625                                 /* Find a new loop ID to use. */
3626                                 fcport->loop_id = next_loopid;
3627                                 rval = qla2x00_find_new_loop_id(base_vha,
3628                                     fcport);
3629                                 if (rval != QLA_SUCCESS) {
3630                                         /* Ran out of IDs to use */
3631                                         break;
3632                                 }
3633
3634                                 /* Login and update database */
3635                                 qla2x00_fabric_dev_login(vha, fcport,
3636                                     &next_loopid);
3637                         } else {
3638                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf079,
3639                                         "new port %8phC state 0x%x flags 0x%x fc4_type "
3640                                         "0x%x scan_state %d (initiator mode disabled; "
3641                                         "skipping login)\n",
3642                                         fcport->port_name,
3643                                         atomic_read(&fcport->state),
3644                                         fcport->flags, fcport->fc4_type,
3645                                         fcport->scan_state);
3646                         }
3647
3648                         list_move_tail(&fcport->list, &vha->vp_fcports);
3649                 }
3650         } while (0);
3651
3652         /* Free all new device structures not processed. */
3653         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3654                 list_del(&fcport->list);
3655                 kfree(fcport);
3656         }
3657
3658         if (rval) {
3659                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3660                     "Configure fabric error exit rval=%d.\n", rval);
3661         }
3662
3663         return (rval);
3664 }
3665
3666 /*
3667  * qla2x00_find_all_fabric_devs
3668  *
3669  * Input:
3670  *      ha = adapter block pointer.
3671  *      dev = database device entry pointer.
3672  *
3673  * Returns:
3674  *      0 = success.
3675  *
3676  * Context:
3677  *      Kernel context.
3678  */
3679 static int
3680 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3681         struct list_head *new_fcports)
3682 {
3683         int             rval;
3684         uint16_t        loop_id;
3685         fc_port_t       *fcport, *new_fcport, *fcptemp;
3686         int             found;
3687
3688         sw_info_t       *swl;
3689         int             swl_idx;
3690         int             first_dev, last_dev;
3691         port_id_t       wrap = {}, nxt_d_id;
3692         struct qla_hw_data *ha = vha->hw;
3693         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3694
3695         rval = QLA_SUCCESS;
3696
3697         /* Try GID_PT to get device list, else GAN. */
3698         if (!ha->swl)
3699                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3700                     GFP_KERNEL);
3701         swl = ha->swl;
3702         if (!swl) {
3703                 /*EMPTY*/
3704                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3705                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3706         } else {
3707                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3708                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3709                         swl = NULL;
3710                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3711                         swl = NULL;
3712                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3713                         swl = NULL;
3714                 } else if (ql2xiidmaenable &&
3715                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3716                         qla2x00_gpsc(vha, swl);
3717                 }
3718
3719                 /* If other queries succeeded probe for FC-4 type */
3720                 if (swl)
3721                         qla2x00_gff_id(vha, swl);
3722         }
3723         swl_idx = 0;
3724
3725         /* Allocate temporary fcport for any new fcports discovered. */
3726         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3727         if (new_fcport == NULL) {
3728                 ql_log(ql_log_warn, vha, 0x205e,
3729                     "Failed to allocate memory for fcport.\n");
3730                 return (QLA_MEMORY_ALLOC_FAILED);
3731         }
3732         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3733         /* Set start port ID scan at adapter ID. */
3734         first_dev = 1;
3735         last_dev = 0;
3736
3737         /* Starting free loop ID. */
3738         loop_id = ha->min_external_loopid;
3739         for (; loop_id <= ha->max_loop_id; loop_id++) {
3740                 if (qla2x00_is_reserved_id(vha, loop_id))
3741                         continue;
3742
3743                 if (ha->current_topology == ISP_CFG_FL &&
3744                     (atomic_read(&vha->loop_down_timer) ||
3745                      LOOP_TRANSITION(vha))) {
3746                         atomic_set(&vha->loop_down_timer, 0);
3747                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3748                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3749                         break;
3750                 }
3751
3752                 if (swl != NULL) {
3753                         if (last_dev) {
3754                                 wrap.b24 = new_fcport->d_id.b24;
3755                         } else {
3756                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3757                                 memcpy(new_fcport->node_name,
3758                                     swl[swl_idx].node_name, WWN_SIZE);
3759                                 memcpy(new_fcport->port_name,
3760                                     swl[swl_idx].port_name, WWN_SIZE);
3761                                 memcpy(new_fcport->fabric_port_name,
3762                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3763                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3764                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3765
3766                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3767                                         last_dev = 1;
3768                                 }
3769                                 swl_idx++;
3770                         }
3771                 } else {
3772                         /* Send GA_NXT to the switch */
3773                         rval = qla2x00_ga_nxt(vha, new_fcport);
3774                         if (rval != QLA_SUCCESS) {
3775                                 ql_log(ql_log_warn, vha, 0x2064,
3776                                     "SNS scan failed -- assuming "
3777                                     "zero-entry result.\n");
3778                                 list_for_each_entry_safe(fcport, fcptemp,
3779                                     new_fcports, list) {
3780                                         list_del(&fcport->list);
3781                                         kfree(fcport);
3782                                 }
3783                                 rval = QLA_SUCCESS;
3784                                 break;
3785                         }
3786                 }
3787
3788                 /* If wrap on switch device list, exit. */
3789                 if (first_dev) {
3790                         wrap.b24 = new_fcport->d_id.b24;
3791                         first_dev = 0;
3792                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3793                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3794                             "Device wrap (%02x%02x%02x).\n",
3795                             new_fcport->d_id.b.domain,
3796                             new_fcport->d_id.b.area,
3797                             new_fcport->d_id.b.al_pa);
3798                         break;
3799                 }
3800
3801                 /* Bypass if same physical adapter. */
3802                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3803                         continue;
3804
3805                 /* Bypass virtual ports of the same host. */
3806                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3807                         continue;
3808
3809                 /* Bypass if same domain and area of adapter. */
3810                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3811                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3812                         ISP_CFG_FL)
3813                             continue;
3814
3815                 /* Bypass reserved domain fields. */
3816                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3817                         continue;
3818
3819                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3820                 if (ql2xgffidenable &&
3821                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3822                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3823                         continue;
3824
3825                 /* Locate matching device in database. */
3826                 found = 0;
3827                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3828                         if (memcmp(new_fcport->port_name, fcport->port_name,
3829                             WWN_SIZE))
3830                                 continue;
3831
3832                         fcport->scan_state = QLA_FCPORT_FOUND;
3833
3834                         found++;
3835
3836                         /* Update port state. */
3837                         memcpy(fcport->fabric_port_name,
3838                             new_fcport->fabric_port_name, WWN_SIZE);
3839                         fcport->fp_speed = new_fcport->fp_speed;
3840
3841                         /*
3842                          * If address the same and state FCS_ONLINE
3843                          * (or in target mode), nothing changed.
3844                          */
3845                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3846                             (atomic_read(&fcport->state) == FCS_ONLINE ||
3847                              !qla_ini_mode_enabled(base_vha))) {
3848                                 break;
3849                         }
3850
3851                         /*
3852                          * If device was not a fabric device before.
3853                          */
3854                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3855                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3856                                 qla2x00_clear_loop_id(fcport);
3857                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3858                                     FCF_LOGIN_NEEDED);
3859                                 break;
3860                         }
3861
3862                         /*
3863                          * Port ID changed or device was marked to be updated;
3864                          * Log it out if still logged in and mark it for
3865                          * relogin later.
3866                          */
3867                         if (!qla_ini_mode_enabled(base_vha)) {
3868                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
3869                                          "port changed FC ID, %8phC"
3870                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
3871                                          fcport->port_name,
3872                                          fcport->d_id.b.domain,
3873                                          fcport->d_id.b.area,
3874                                          fcport->d_id.b.al_pa,
3875                                          fcport->loop_id,
3876                                          new_fcport->d_id.b.domain,
3877                                          new_fcport->d_id.b.area,
3878                                          new_fcport->d_id.b.al_pa);
3879                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3880                                 break;
3881                         }
3882
3883                         fcport->d_id.b24 = new_fcport->d_id.b24;
3884                         fcport->flags |= FCF_LOGIN_NEEDED;
3885                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3886                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3887                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3888                             fcport->port_type != FCT_INITIATOR &&
3889                             fcport->port_type != FCT_BROADCAST) {
3890                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3891                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3892                                     fcport->d_id.b.al_pa);
3893                                 qla2x00_clear_loop_id(fcport);
3894                         }
3895
3896                         break;
3897                 }
3898
3899                 if (found)
3900                         continue;
3901                 /* If device was not in our fcports list, then add it. */
3902                 new_fcport->scan_state = QLA_FCPORT_FOUND;
3903                 list_add_tail(&new_fcport->list, new_fcports);
3904
3905                 /* Allocate a new replacement fcport. */
3906                 nxt_d_id.b24 = new_fcport->d_id.b24;
3907                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3908                 if (new_fcport == NULL) {
3909                         ql_log(ql_log_warn, vha, 0x2066,
3910                             "Memory allocation failed for fcport.\n");
3911                         return (QLA_MEMORY_ALLOC_FAILED);
3912                 }
3913                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3914                 new_fcport->d_id.b24 = nxt_d_id.b24;
3915         }
3916
3917         kfree(new_fcport);
3918
3919         return (rval);
3920 }
3921
3922 /*
3923  * qla2x00_find_new_loop_id
3924  *      Scan through our port list and find a new usable loop ID.
3925  *
3926  * Input:
3927  *      ha:     adapter state pointer.
3928  *      dev:    port structure pointer.
3929  *
3930  * Returns:
3931  *      qla2x00 local function return status code.
3932  *
3933  * Context:
3934  *      Kernel context.
3935  */
3936 int
3937 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3938 {
3939         int     rval;
3940         struct qla_hw_data *ha = vha->hw;
3941         unsigned long flags = 0;
3942
3943         rval = QLA_SUCCESS;
3944
3945         spin_lock_irqsave(&ha->vport_slock, flags);
3946
3947         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3948             LOOPID_MAP_SIZE);
3949         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3950             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3951                 dev->loop_id = FC_NO_LOOP_ID;
3952                 rval = QLA_FUNCTION_FAILED;
3953         } else
3954                 set_bit(dev->loop_id, ha->loop_id_map);
3955
3956         spin_unlock_irqrestore(&ha->vport_slock, flags);
3957
3958         if (rval == QLA_SUCCESS)
3959                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3960                     "Assigning new loopid=%x, portid=%x.\n",
3961                     dev->loop_id, dev->d_id.b24);
3962         else
3963                 ql_log(ql_log_warn, dev->vha, 0x2087,
3964                     "No loop_id's available, portid=%x.\n",
3965                     dev->d_id.b24);
3966
3967         return (rval);
3968 }
3969
3970 /*
3971  * qla2x00_fabric_dev_login
3972  *      Login fabric target device and update FC port database.
3973  *
3974  * Input:
3975  *      ha:             adapter state pointer.
3976  *      fcport:         port structure list pointer.
3977  *      next_loopid:    contains value of a new loop ID that can be used
3978  *                      by the next login attempt.
3979  *
3980  * Returns:
3981  *      qla2x00 local function return status code.
3982  *
3983  * Context:
3984  *      Kernel context.
3985  */
3986 static int
3987 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3988     uint16_t *next_loopid)
3989 {
3990         int     rval;
3991         uint8_t opts;
3992         struct qla_hw_data *ha = vha->hw;
3993
3994         rval = QLA_SUCCESS;
3995
3996         if (IS_ALOGIO_CAPABLE(ha)) {
3997                 if (fcport->flags & FCF_ASYNC_SENT)
3998                         return rval;
3999                 fcport->flags |= FCF_ASYNC_SENT;
4000                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
4001                 if (!rval)
4002                         return rval;
4003         }
4004
4005         fcport->flags &= ~FCF_ASYNC_SENT;
4006         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
4007         if (rval == QLA_SUCCESS) {
4008                 /* Send an ADISC to FCP2 devices.*/
4009                 opts = 0;
4010                 if (fcport->flags & FCF_FCP2_DEVICE)
4011                         opts |= BIT_1;
4012                 rval = qla2x00_get_port_database(vha, fcport, opts);
4013                 if (rval != QLA_SUCCESS) {
4014                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4015                             fcport->d_id.b.domain, fcport->d_id.b.area,
4016                             fcport->d_id.b.al_pa);
4017                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
4018                 } else {
4019                         qla2x00_update_fcport(vha, fcport);
4020                 }
4021         } else {
4022                 /* Retry Login. */
4023                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
4024         }
4025
4026         return (rval);
4027 }
4028
4029 /*
4030  * qla2x00_fabric_login
4031  *      Issue fabric login command.
4032  *
4033  * Input:
4034  *      ha = adapter block pointer.
4035  *      device = pointer to FC device type structure.
4036  *
4037  * Returns:
4038  *      0 - Login successfully
4039  *      1 - Login failed
4040  *      2 - Initiator device
4041  *      3 - Fatal error
4042  */
4043 int
4044 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
4045     uint16_t *next_loopid)
4046 {
4047         int     rval;
4048         int     retry;
4049         uint16_t tmp_loopid;
4050         uint16_t mb[MAILBOX_REGISTER_COUNT];
4051         struct qla_hw_data *ha = vha->hw;
4052
4053         retry = 0;
4054         tmp_loopid = 0;
4055
4056         for (;;) {
4057                 ql_dbg(ql_dbg_disc, vha, 0x2000,
4058                     "Trying Fabric Login w/loop id 0x%04x for port "
4059                     "%02x%02x%02x.\n",
4060                     fcport->loop_id, fcport->d_id.b.domain,
4061                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
4062
4063                 /* Login fcport on switch. */
4064                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
4065                     fcport->d_id.b.domain, fcport->d_id.b.area,
4066                     fcport->d_id.b.al_pa, mb, BIT_0);
4067                 if (rval != QLA_SUCCESS) {
4068                         return rval;
4069                 }
4070                 if (mb[0] == MBS_PORT_ID_USED) {
4071                         /*
4072                          * Device has another loop ID.  The firmware team
4073                          * recommends the driver perform an implicit login with
4074                          * the specified ID again. The ID we just used is save
4075                          * here so we return with an ID that can be tried by
4076                          * the next login.
4077                          */
4078                         retry++;
4079                         tmp_loopid = fcport->loop_id;
4080                         fcport->loop_id = mb[1];
4081
4082                         ql_dbg(ql_dbg_disc, vha, 0x2001,
4083                             "Fabric Login: port in use - next loop "
4084                             "id=0x%04x, port id= %02x%02x%02x.\n",
4085                             fcport->loop_id, fcport->d_id.b.domain,
4086                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
4087
4088                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
4089                         /*
4090                          * Login succeeded.
4091                          */
4092                         if (retry) {
4093                                 /* A retry occurred before. */
4094                                 *next_loopid = tmp_loopid;
4095                         } else {
4096                                 /*
4097                                  * No retry occurred before. Just increment the
4098                                  * ID value for next login.
4099                                  */
4100                                 *next_loopid = (fcport->loop_id + 1);
4101                         }
4102
4103                         if (mb[1] & BIT_0) {
4104                                 fcport->port_type = FCT_INITIATOR;
4105                         } else {
4106                                 fcport->port_type = FCT_TARGET;
4107                                 if (mb[1] & BIT_1) {
4108                                         fcport->flags |= FCF_FCP2_DEVICE;
4109                                 }
4110                         }
4111
4112                         if (mb[10] & BIT_0)
4113                                 fcport->supported_classes |= FC_COS_CLASS2;
4114                         if (mb[10] & BIT_1)
4115                                 fcport->supported_classes |= FC_COS_CLASS3;
4116
4117                         if (IS_FWI2_CAPABLE(ha)) {
4118                                 if (mb[10] & BIT_7)
4119                                         fcport->flags |=
4120                                             FCF_CONF_COMP_SUPPORTED;
4121                         }
4122
4123                         rval = QLA_SUCCESS;
4124                         break;
4125                 } else if (mb[0] == MBS_LOOP_ID_USED) {
4126                         /*
4127                          * Loop ID already used, try next loop ID.
4128                          */
4129                         fcport->loop_id++;
4130                         rval = qla2x00_find_new_loop_id(vha, fcport);
4131                         if (rval != QLA_SUCCESS) {
4132                                 /* Ran out of loop IDs to use */
4133                                 break;
4134                         }
4135                 } else if (mb[0] == MBS_COMMAND_ERROR) {
4136                         /*
4137                          * Firmware possibly timed out during login. If NO
4138                          * retries are left to do then the device is declared
4139                          * dead.
4140                          */
4141                         *next_loopid = fcport->loop_id;
4142                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4143                             fcport->d_id.b.domain, fcport->d_id.b.area,
4144                             fcport->d_id.b.al_pa);
4145                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
4146
4147                         rval = 1;
4148                         break;
4149                 } else {
4150                         /*
4151                          * unrecoverable / not handled error
4152                          */
4153                         ql_dbg(ql_dbg_disc, vha, 0x2002,
4154                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
4155                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
4156                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
4157                             fcport->loop_id, jiffies);
4158
4159                         *next_loopid = fcport->loop_id;
4160                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4161                             fcport->d_id.b.domain, fcport->d_id.b.area,
4162                             fcport->d_id.b.al_pa);
4163                         qla2x00_clear_loop_id(fcport);
4164                         fcport->login_retry = 0;
4165
4166                         rval = 3;
4167                         break;
4168                 }
4169         }
4170
4171         return (rval);
4172 }
4173
4174 /*
4175  * qla2x00_local_device_login
4176  *      Issue local device login command.
4177  *
4178  * Input:
4179  *      ha = adapter block pointer.
4180  *      loop_id = loop id of device to login to.
4181  *
4182  * Returns (Where's the #define!!!!):
4183  *      0 - Login successfully
4184  *      1 - Login failed
4185  *      3 - Fatal error
4186  */
4187 int
4188 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
4189 {
4190         int             rval;
4191         uint16_t        mb[MAILBOX_REGISTER_COUNT];
4192
4193         memset(mb, 0, sizeof(mb));
4194         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
4195         if (rval == QLA_SUCCESS) {
4196                 /* Interrogate mailbox registers for any errors */
4197                 if (mb[0] == MBS_COMMAND_ERROR)
4198                         rval = 1;
4199                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
4200                         /* device not in PCB table */
4201                         rval = 3;
4202         }
4203
4204         return (rval);
4205 }
4206
4207 /*
4208  *  qla2x00_loop_resync
4209  *      Resync with fibre channel devices.
4210  *
4211  * Input:
4212  *      ha = adapter block pointer.
4213  *
4214  * Returns:
4215  *      0 = success
4216  */
4217 int
4218 qla2x00_loop_resync(scsi_qla_host_t *vha)
4219 {
4220         int rval = QLA_SUCCESS;
4221         uint32_t wait_time;
4222         struct req_que *req;
4223         struct rsp_que *rsp;
4224
4225         if (vha->hw->flags.cpu_affinity_enabled)
4226                 req = vha->hw->req_q_map[0];
4227         else
4228                 req = vha->req;
4229         rsp = req->rsp;
4230
4231         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4232         if (vha->flags.online) {
4233                 if (!(rval = qla2x00_fw_ready(vha))) {
4234                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4235                         wait_time = 256;
4236                         do {
4237                                 if (!IS_QLAFX00(vha->hw)) {
4238                                         /*
4239                                          * Issue a marker after FW becomes
4240                                          * ready.
4241                                          */
4242                                         qla2x00_marker(vha, req, rsp, 0, 0,
4243                                                 MK_SYNC_ALL);
4244                                         vha->marker_needed = 0;
4245                                 }
4246
4247                                 /* Remap devices on Loop. */
4248                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4249
4250                                 if (IS_QLAFX00(vha->hw))
4251                                         qlafx00_configure_devices(vha);
4252                                 else
4253                                         qla2x00_configure_loop(vha);
4254
4255                                 wait_time--;
4256                         } while (!atomic_read(&vha->loop_down_timer) &&
4257                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4258                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4259                                 &vha->dpc_flags)));
4260                 }
4261         }
4262
4263         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4264                 return (QLA_FUNCTION_FAILED);
4265
4266         if (rval)
4267                 ql_dbg(ql_dbg_disc, vha, 0x206c,
4268                     "%s *** FAILED ***.\n", __func__);
4269
4270         return (rval);
4271 }
4272
4273 /*
4274 * qla2x00_perform_loop_resync
4275 * Description: This function will set the appropriate flags and call
4276 *              qla2x00_loop_resync. If successful loop will be resynced
4277 * Arguments : scsi_qla_host_t pointer
4278 * returm    : Success or Failure
4279 */
4280
4281 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
4282 {
4283         int32_t rval = 0;
4284
4285         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
4286                 /*Configure the flags so that resync happens properly*/
4287                 atomic_set(&ha->loop_down_timer, 0);
4288                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
4289                         atomic_set(&ha->loop_state, LOOP_UP);
4290                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4291                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
4292                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4293
4294                         rval = qla2x00_loop_resync(ha);
4295                 } else
4296                         atomic_set(&ha->loop_state, LOOP_DEAD);
4297
4298                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
4299         }
4300
4301         return rval;
4302 }
4303
4304 void
4305 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
4306 {
4307         fc_port_t *fcport;
4308         struct scsi_qla_host *vha;
4309         struct qla_hw_data *ha = base_vha->hw;
4310         unsigned long flags;
4311
4312         spin_lock_irqsave(&ha->vport_slock, flags);
4313         /* Go with deferred removal of rport references. */
4314         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
4315                 atomic_inc(&vha->vref_count);
4316                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4317                         if (fcport->drport &&
4318                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
4319                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4320                                 qla2x00_rport_del(fcport);
4321
4322                                 /*
4323                                  * Release the target mode FC NEXUS in
4324                                  * qla_target.c, if target mod is enabled.
4325                                  */
4326                                 qlt_fc_port_deleted(vha, fcport,
4327                                     base_vha->total_fcport_update_gen);
4328
4329                                 spin_lock_irqsave(&ha->vport_slock, flags);
4330                         }
4331                 }
4332                 atomic_dec(&vha->vref_count);
4333         }
4334         spin_unlock_irqrestore(&ha->vport_slock, flags);
4335 }
4336
4337 /* Assumes idc_lock always held on entry */
4338 void
4339 qla83xx_reset_ownership(scsi_qla_host_t *vha)
4340 {
4341         struct qla_hw_data *ha = vha->hw;
4342         uint32_t drv_presence, drv_presence_mask;
4343         uint32_t dev_part_info1, dev_part_info2, class_type;
4344         uint32_t class_type_mask = 0x3;
4345         uint16_t fcoe_other_function = 0xffff, i;
4346
4347         if (IS_QLA8044(ha)) {
4348                 drv_presence = qla8044_rd_direct(vha,
4349                     QLA8044_CRB_DRV_ACTIVE_INDEX);
4350                 dev_part_info1 = qla8044_rd_direct(vha,
4351                     QLA8044_CRB_DEV_PART_INFO_INDEX);
4352                 dev_part_info2 = qla8044_rd_direct(vha,
4353                     QLA8044_CRB_DEV_PART_INFO2);
4354         } else {
4355                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4356                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4357                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4358         }
4359         for (i = 0; i < 8; i++) {
4360                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4361                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4362                     (i != ha->portnum)) {
4363                         fcoe_other_function = i;
4364                         break;
4365                 }
4366         }
4367         if (fcoe_other_function == 0xffff) {
4368                 for (i = 0; i < 8; i++) {
4369                         class_type = ((dev_part_info2 >> (i * 4)) &
4370                             class_type_mask);
4371                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4372                             ((i + 8) != ha->portnum)) {
4373                                 fcoe_other_function = i + 8;
4374                                 break;
4375                         }
4376                 }
4377         }
4378         /*
4379          * Prepare drv-presence mask based on fcoe functions present.
4380          * However consider only valid physical fcoe function numbers (0-15).
4381          */
4382         drv_presence_mask = ~((1 << (ha->portnum)) |
4383                         ((fcoe_other_function == 0xffff) ?
4384                          0 : (1 << (fcoe_other_function))));
4385
4386         /* We are the reset owner iff:
4387          *    - No other protocol drivers present.
4388          *    - This is the lowest among fcoe functions. */
4389         if (!(drv_presence & drv_presence_mask) &&
4390                         (ha->portnum < fcoe_other_function)) {
4391                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4392                     "This host is Reset owner.\n");
4393                 ha->flags.nic_core_reset_owner = 1;
4394         }
4395 }
4396
4397 static int
4398 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4399 {
4400         int rval = QLA_SUCCESS;
4401         struct qla_hw_data *ha = vha->hw;
4402         uint32_t drv_ack;
4403
4404         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4405         if (rval == QLA_SUCCESS) {
4406                 drv_ack |= (1 << ha->portnum);
4407                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4408         }
4409
4410         return rval;
4411 }
4412
4413 static int
4414 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4415 {
4416         int rval = QLA_SUCCESS;
4417         struct qla_hw_data *ha = vha->hw;
4418         uint32_t drv_ack;
4419
4420         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4421         if (rval == QLA_SUCCESS) {
4422                 drv_ack &= ~(1 << ha->portnum);
4423                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4424         }
4425
4426         return rval;
4427 }
4428
4429 static const char *
4430 qla83xx_dev_state_to_string(uint32_t dev_state)
4431 {
4432         switch (dev_state) {
4433         case QLA8XXX_DEV_COLD:
4434                 return "COLD/RE-INIT";
4435         case QLA8XXX_DEV_INITIALIZING:
4436                 return "INITIALIZING";
4437         case QLA8XXX_DEV_READY:
4438                 return "READY";
4439         case QLA8XXX_DEV_NEED_RESET:
4440                 return "NEED RESET";
4441         case QLA8XXX_DEV_NEED_QUIESCENT:
4442                 return "NEED QUIESCENT";
4443         case QLA8XXX_DEV_FAILED:
4444                 return "FAILED";
4445         case QLA8XXX_DEV_QUIESCENT:
4446                 return "QUIESCENT";
4447         default:
4448                 return "Unknown";
4449         }
4450 }
4451
4452 /* Assumes idc-lock always held on entry */
4453 void
4454 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4455 {
4456         struct qla_hw_data *ha = vha->hw;
4457         uint32_t idc_audit_reg = 0, duration_secs = 0;
4458
4459         switch (audit_type) {
4460         case IDC_AUDIT_TIMESTAMP:
4461                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4462                 idc_audit_reg = (ha->portnum) |
4463                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4464                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4465                 break;
4466
4467         case IDC_AUDIT_COMPLETION:
4468                 duration_secs = ((jiffies_to_msecs(jiffies) -
4469                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4470                 idc_audit_reg = (ha->portnum) |
4471                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4472                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4473                 break;
4474
4475         default:
4476                 ql_log(ql_log_warn, vha, 0xb078,
4477                     "Invalid audit type specified.\n");
4478                 break;
4479         }
4480 }
4481
4482 /* Assumes idc_lock always held on entry */
4483 static int
4484 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4485 {
4486         struct qla_hw_data *ha = vha->hw;
4487         uint32_t  idc_control, dev_state;
4488
4489         __qla83xx_get_idc_control(vha, &idc_control);
4490         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4491                 ql_log(ql_log_info, vha, 0xb080,
4492                     "NIC Core reset has been disabled. idc-control=0x%x\n",
4493                     idc_control);
4494                 return QLA_FUNCTION_FAILED;
4495         }
4496
4497         /* Set NEED-RESET iff in READY state and we are the reset-owner */
4498         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4499         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4500                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4501                     QLA8XXX_DEV_NEED_RESET);
4502                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4503                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4504         } else {
4505                 const char *state = qla83xx_dev_state_to_string(dev_state);
4506                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4507
4508                 /* SV: XXX: Is timeout required here? */
4509                 /* Wait for IDC state change READY -> NEED_RESET */
4510                 while (dev_state == QLA8XXX_DEV_READY) {
4511                         qla83xx_idc_unlock(vha, 0);
4512                         msleep(200);
4513                         qla83xx_idc_lock(vha, 0);
4514                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4515                 }
4516         }
4517
4518         /* Send IDC ack by writing to drv-ack register */
4519         __qla83xx_set_drv_ack(vha);
4520
4521         return QLA_SUCCESS;
4522 }
4523
4524 int
4525 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4526 {
4527         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4528 }
4529
4530 int
4531 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4532 {
4533         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4534 }
4535
4536 static int
4537 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4538 {
4539         uint32_t drv_presence = 0;
4540         struct qla_hw_data *ha = vha->hw;
4541
4542         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4543         if (drv_presence & (1 << ha->portnum))
4544                 return QLA_SUCCESS;
4545         else
4546                 return QLA_TEST_FAILED;
4547 }
4548
4549 int
4550 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4551 {
4552         int rval = QLA_SUCCESS;
4553         struct qla_hw_data *ha = vha->hw;
4554
4555         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4556             "Entered  %s().\n", __func__);
4557
4558         if (vha->device_flags & DFLG_DEV_FAILED) {
4559                 ql_log(ql_log_warn, vha, 0xb059,
4560                     "Device in unrecoverable FAILED state.\n");
4561                 return QLA_FUNCTION_FAILED;
4562         }
4563
4564         qla83xx_idc_lock(vha, 0);
4565
4566         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4567                 ql_log(ql_log_warn, vha, 0xb05a,
4568                     "Function=0x%x has been removed from IDC participation.\n",
4569                     ha->portnum);
4570                 rval = QLA_FUNCTION_FAILED;
4571                 goto exit;
4572         }
4573
4574         qla83xx_reset_ownership(vha);
4575
4576         rval = qla83xx_initiating_reset(vha);
4577
4578         /*
4579          * Perform reset if we are the reset-owner,
4580          * else wait till IDC state changes to READY/FAILED.
4581          */
4582         if (rval == QLA_SUCCESS) {
4583                 rval = qla83xx_idc_state_handler(vha);
4584
4585                 if (rval == QLA_SUCCESS)
4586                         ha->flags.nic_core_hung = 0;
4587                 __qla83xx_clear_drv_ack(vha);
4588         }
4589
4590 exit:
4591         qla83xx_idc_unlock(vha, 0);
4592
4593         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4594
4595         return rval;
4596 }
4597
4598 int
4599 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4600 {
4601         struct qla_hw_data *ha = vha->hw;
4602         int rval = QLA_FUNCTION_FAILED;
4603
4604         if (!IS_MCTP_CAPABLE(ha)) {
4605                 /* This message can be removed from the final version */
4606                 ql_log(ql_log_info, vha, 0x506d,
4607                     "This board is not MCTP capable\n");
4608                 return rval;
4609         }
4610
4611         if (!ha->mctp_dump) {
4612                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4613                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4614
4615                 if (!ha->mctp_dump) {
4616                         ql_log(ql_log_warn, vha, 0x506e,
4617                             "Failed to allocate memory for mctp dump\n");
4618                         return rval;
4619                 }
4620         }
4621
4622 #define MCTP_DUMP_STR_ADDR      0x00000000
4623         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4624             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4625         if (rval != QLA_SUCCESS) {
4626                 ql_log(ql_log_warn, vha, 0x506f,
4627                     "Failed to capture mctp dump\n");
4628         } else {
4629                 ql_log(ql_log_info, vha, 0x5070,
4630                     "Mctp dump capture for host (%ld/%p).\n",
4631                     vha->host_no, ha->mctp_dump);
4632                 ha->mctp_dumped = 1;
4633         }
4634
4635         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4636                 ha->flags.nic_core_reset_hdlr_active = 1;
4637                 rval = qla83xx_restart_nic_firmware(vha);
4638                 if (rval)
4639                         /* NIC Core reset failed. */
4640                         ql_log(ql_log_warn, vha, 0x5071,
4641                             "Failed to restart nic firmware\n");
4642                 else
4643                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4644                             "Restarted NIC firmware successfully.\n");
4645                 ha->flags.nic_core_reset_hdlr_active = 0;
4646         }
4647
4648         return rval;
4649
4650 }
4651
4652 /*
4653 * qla2x00_quiesce_io
4654 * Description: This function will block the new I/Os
4655 *              Its not aborting any I/Os as context
4656 *              is not destroyed during quiescence
4657 * Arguments: scsi_qla_host_t
4658 * return   : void
4659 */
4660 void
4661 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4662 {
4663         struct qla_hw_data *ha = vha->hw;
4664         struct scsi_qla_host *vp;
4665
4666         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4667             "Quiescing I/O - ha=%p.\n", ha);
4668
4669         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4670         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4671                 atomic_set(&vha->loop_state, LOOP_DOWN);
4672                 qla2x00_mark_all_devices_lost(vha, 0);
4673                 list_for_each_entry(vp, &ha->vp_list, list)
4674                         qla2x00_mark_all_devices_lost(vp, 0);
4675         } else {
4676                 if (!atomic_read(&vha->loop_down_timer))
4677                         atomic_set(&vha->loop_down_timer,
4678                                         LOOP_DOWN_TIME);
4679         }
4680         /* Wait for pending cmds to complete */
4681         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4682 }
4683
4684 void
4685 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4686 {
4687         struct qla_hw_data *ha = vha->hw;
4688         struct scsi_qla_host *vp;
4689         unsigned long flags;
4690         fc_port_t *fcport;
4691
4692         /* For ISP82XX, driver waits for completion of the commands.
4693          * online flag should be set.
4694          */
4695         if (!(IS_P3P_TYPE(ha)))
4696                 vha->flags.online = 0;
4697         ha->flags.chip_reset_done = 0;
4698         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4699         vha->qla_stats.total_isp_aborts++;
4700
4701         ql_log(ql_log_info, vha, 0x00af,
4702             "Performing ISP error recovery - ha=%p.\n", ha);
4703
4704         /* For ISP82XX, reset_chip is just disabling interrupts.
4705          * Driver waits for the completion of the commands.
4706          * the interrupts need to be enabled.
4707          */
4708         if (!(IS_P3P_TYPE(ha)))
4709                 ha->isp_ops->reset_chip(vha);
4710
4711         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4712         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4713                 atomic_set(&vha->loop_state, LOOP_DOWN);
4714                 qla2x00_mark_all_devices_lost(vha, 0);
4715
4716                 spin_lock_irqsave(&ha->vport_slock, flags);
4717                 list_for_each_entry(vp, &ha->vp_list, list) {
4718                         atomic_inc(&vp->vref_count);
4719                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4720
4721                         qla2x00_mark_all_devices_lost(vp, 0);
4722
4723                         spin_lock_irqsave(&ha->vport_slock, flags);
4724                         atomic_dec(&vp->vref_count);
4725                 }
4726                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4727         } else {
4728                 if (!atomic_read(&vha->loop_down_timer))
4729                         atomic_set(&vha->loop_down_timer,
4730                             LOOP_DOWN_TIME);
4731         }
4732
4733         /* Clear all async request states across all VPs. */
4734         list_for_each_entry(fcport, &vha->vp_fcports, list)
4735                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4736         spin_lock_irqsave(&ha->vport_slock, flags);
4737         list_for_each_entry(vp, &ha->vp_list, list) {
4738                 atomic_inc(&vp->vref_count);
4739                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4740
4741                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4742                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4743
4744                 spin_lock_irqsave(&ha->vport_slock, flags);
4745                 atomic_dec(&vp->vref_count);
4746         }
4747         spin_unlock_irqrestore(&ha->vport_slock, flags);
4748
4749         if (!ha->flags.eeh_busy) {
4750                 /* Make sure for ISP 82XX IO DMA is complete */
4751                 if (IS_P3P_TYPE(ha)) {
4752                         qla82xx_chip_reset_cleanup(vha);
4753                         ql_log(ql_log_info, vha, 0x00b4,
4754                             "Done chip reset cleanup.\n");
4755
4756                         /* Done waiting for pending commands.
4757                          * Reset the online flag.
4758                          */
4759                         vha->flags.online = 0;
4760                 }
4761
4762                 /* Requeue all commands in outstanding command list. */
4763                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4764         }
4765
4766         ha->chip_reset++;
4767         /* memory barrier */
4768         wmb();
4769 }
4770
4771 /*
4772 *  qla2x00_abort_isp
4773 *      Resets ISP and aborts all outstanding commands.
4774 *
4775 * Input:
4776 *      ha           = adapter block pointer.
4777 *
4778 * Returns:
4779 *      0 = success
4780 */
4781 int
4782 qla2x00_abort_isp(scsi_qla_host_t *vha)
4783 {
4784         int rval;
4785         uint8_t        status = 0;
4786         struct qla_hw_data *ha = vha->hw;
4787         struct scsi_qla_host *vp;
4788         struct req_que *req = ha->req_q_map[0];
4789         unsigned long flags;
4790
4791         if (vha->flags.online) {
4792                 qla2x00_abort_isp_cleanup(vha);
4793
4794                 if (IS_QLA8031(ha)) {
4795                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4796                             "Clearing fcoe driver presence.\n");
4797                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4798                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4799                                     "Error while clearing DRV-Presence.\n");
4800                 }
4801
4802                 if (unlikely(pci_channel_offline(ha->pdev) &&
4803                     ha->flags.pci_channel_io_perm_failure)) {
4804                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4805                         status = 0;
4806                         return status;
4807                 }
4808
4809                 ha->isp_ops->get_flash_version(vha, req->ring);
4810
4811                 ha->isp_ops->nvram_config(vha);
4812
4813                 if (!qla2x00_restart_isp(vha)) {
4814                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4815
4816                         if (!atomic_read(&vha->loop_down_timer)) {
4817                                 /*
4818                                  * Issue marker command only when we are going
4819                                  * to start the I/O .
4820                                  */
4821                                 vha->marker_needed = 1;
4822                         }
4823
4824                         vha->flags.online = 1;
4825
4826                         ha->isp_ops->enable_intrs(ha);
4827
4828                         ha->isp_abort_cnt = 0;
4829                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4830
4831                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4832                                 qla2x00_get_fw_version(vha);
4833                         if (ha->fce) {
4834                                 ha->flags.fce_enabled = 1;
4835                                 memset(ha->fce, 0,
4836                                     fce_calc_size(ha->fce_bufs));
4837                                 rval = qla2x00_enable_fce_trace(vha,
4838                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4839                                     &ha->fce_bufs);
4840                                 if (rval) {
4841                                         ql_log(ql_log_warn, vha, 0x8033,
4842                                             "Unable to reinitialize FCE "
4843                                             "(%d).\n", rval);
4844                                         ha->flags.fce_enabled = 0;
4845                                 }
4846                         }
4847
4848                         if (ha->eft) {
4849                                 memset(ha->eft, 0, EFT_SIZE);
4850                                 rval = qla2x00_enable_eft_trace(vha,
4851                                     ha->eft_dma, EFT_NUM_BUFFERS);
4852                                 if (rval) {
4853                                         ql_log(ql_log_warn, vha, 0x8034,
4854                                             "Unable to reinitialize EFT "
4855                                             "(%d).\n", rval);
4856                                 }
4857                         }
4858                 } else {        /* failed the ISP abort */
4859                         vha->flags.online = 1;
4860                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4861                                 if (ha->isp_abort_cnt == 0) {
4862                                         ql_log(ql_log_fatal, vha, 0x8035,
4863                                             "ISP error recover failed - "
4864                                             "board disabled.\n");
4865                                         /*
4866                                          * The next call disables the board
4867                                          * completely.
4868                                          */
4869                                         ha->isp_ops->reset_adapter(vha);
4870                                         vha->flags.online = 0;
4871                                         clear_bit(ISP_ABORT_RETRY,
4872                                             &vha->dpc_flags);
4873                                         status = 0;
4874                                 } else { /* schedule another ISP abort */
4875                                         ha->isp_abort_cnt--;
4876                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4877                                             "ISP abort - retry remaining %d.\n",
4878                                             ha->isp_abort_cnt);
4879                                         status = 1;
4880                                 }
4881                         } else {
4882                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4883                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4884                                     "ISP error recovery - retrying (%d) "
4885                                     "more times.\n", ha->isp_abort_cnt);
4886                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4887                                 status = 1;
4888                         }
4889                 }
4890
4891         }
4892
4893         if (!status) {
4894                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4895
4896                 spin_lock_irqsave(&ha->vport_slock, flags);
4897                 list_for_each_entry(vp, &ha->vp_list, list) {
4898                         if (vp->vp_idx) {
4899                                 atomic_inc(&vp->vref_count);
4900                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4901
4902                                 qla2x00_vp_abort_isp(vp);
4903
4904                                 spin_lock_irqsave(&ha->vport_slock, flags);
4905                                 atomic_dec(&vp->vref_count);
4906                         }
4907                 }
4908                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4909
4910                 if (IS_QLA8031(ha)) {
4911                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4912                             "Setting back fcoe driver presence.\n");
4913                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4914                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4915                                     "Error while setting DRV-Presence.\n");
4916                 }
4917         } else {
4918                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4919                        __func__);
4920         }
4921
4922         return(status);
4923 }
4924
4925 /*
4926 *  qla2x00_restart_isp
4927 *      restarts the ISP after a reset
4928 *
4929 * Input:
4930 *      ha = adapter block pointer.
4931 *
4932 * Returns:
4933 *      0 = success
4934 */
4935 static int
4936 qla2x00_restart_isp(scsi_qla_host_t *vha)
4937 {
4938         int status = 0;
4939         struct qla_hw_data *ha = vha->hw;
4940         struct req_que *req = ha->req_q_map[0];
4941         struct rsp_que *rsp = ha->rsp_q_map[0];
4942
4943         /* If firmware needs to be loaded */
4944         if (qla2x00_isp_firmware(vha)) {
4945                 vha->flags.online = 0;
4946                 status = ha->isp_ops->chip_diag(vha);
4947                 if (!status)
4948                         status = qla2x00_setup_chip(vha);
4949         }
4950
4951         if (!status && !(status = qla2x00_init_rings(vha))) {
4952                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4953                 ha->flags.chip_reset_done = 1;
4954
4955                 /* Initialize the queues in use */
4956                 qla25xx_init_queues(ha);
4957
4958                 status = qla2x00_fw_ready(vha);
4959                 if (!status) {
4960                         /* Issue a marker after FW becomes ready. */
4961                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4962
4963                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4964                 }
4965
4966                 /* if no cable then assume it's good */
4967                 if ((vha->device_flags & DFLG_NO_CABLE))
4968                         status = 0;
4969         }
4970         return (status);
4971 }
4972
4973 static int
4974 qla25xx_init_queues(struct qla_hw_data *ha)
4975 {
4976         struct rsp_que *rsp = NULL;
4977         struct req_que *req = NULL;
4978         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4979         int ret = -1;
4980         int i;
4981
4982         for (i = 1; i < ha->max_rsp_queues; i++) {
4983                 rsp = ha->rsp_q_map[i];
4984                 if (rsp) {
4985                         rsp->options &= ~BIT_0;
4986                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4987                         if (ret != QLA_SUCCESS)
4988                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4989                                     "%s Rsp que: %d init failed.\n",
4990                                     __func__, rsp->id);
4991                         else
4992                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4993                                     "%s Rsp que: %d inited.\n",
4994                                     __func__, rsp->id);
4995                 }
4996         }
4997         for (i = 1; i < ha->max_req_queues; i++) {
4998                 req = ha->req_q_map[i];
4999                 if (req) {
5000                 /* Clear outstanding commands array. */
5001                         req->options &= ~BIT_0;
5002                         ret = qla25xx_init_req_que(base_vha, req);
5003                         if (ret != QLA_SUCCESS)
5004                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
5005                                     "%s Req que: %d init failed.\n",
5006                                     __func__, req->id);
5007                         else
5008                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
5009                                     "%s Req que: %d inited.\n",
5010                                     __func__, req->id);
5011                 }
5012         }
5013         return ret;
5014 }
5015
5016 /*
5017 * qla2x00_reset_adapter
5018 *      Reset adapter.
5019 *
5020 * Input:
5021 *      ha = adapter block pointer.
5022 */
5023 void
5024 qla2x00_reset_adapter(scsi_qla_host_t *vha)
5025 {
5026         unsigned long flags = 0;
5027         struct qla_hw_data *ha = vha->hw;
5028         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5029
5030         vha->flags.online = 0;
5031         ha->isp_ops->disable_intrs(ha);
5032
5033         spin_lock_irqsave(&ha->hardware_lock, flags);
5034         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
5035         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
5036         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
5037         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
5038         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5039 }
5040
5041 void
5042 qla24xx_reset_adapter(scsi_qla_host_t *vha)
5043 {
5044         unsigned long flags = 0;
5045         struct qla_hw_data *ha = vha->hw;
5046         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
5047
5048         if (IS_P3P_TYPE(ha))
5049                 return;
5050
5051         vha->flags.online = 0;
5052         ha->isp_ops->disable_intrs(ha);
5053
5054         spin_lock_irqsave(&ha->hardware_lock, flags);
5055         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
5056         RD_REG_DWORD(&reg->hccr);
5057         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
5058         RD_REG_DWORD(&reg->hccr);
5059         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5060
5061         if (IS_NOPOLLING_TYPE(ha))
5062                 ha->isp_ops->enable_intrs(ha);
5063 }
5064
5065 /* On sparc systems, obtain port and node WWN from firmware
5066  * properties.
5067  */
5068 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
5069         struct nvram_24xx *nv)
5070 {
5071 #ifdef CONFIG_SPARC
5072         struct qla_hw_data *ha = vha->hw;
5073         struct pci_dev *pdev = ha->pdev;
5074         struct device_node *dp = pci_device_to_OF_node(pdev);
5075         const u8 *val;
5076         int len;
5077
5078         val = of_get_property(dp, "port-wwn", &len);
5079         if (val && len >= WWN_SIZE)
5080                 memcpy(nv->port_name, val, WWN_SIZE);
5081
5082         val = of_get_property(dp, "node-wwn", &len);
5083         if (val && len >= WWN_SIZE)
5084                 memcpy(nv->node_name, val, WWN_SIZE);
5085 #endif
5086 }
5087
5088 int
5089 qla24xx_nvram_config(scsi_qla_host_t *vha)
5090 {
5091         int   rval;
5092         struct init_cb_24xx *icb;
5093         struct nvram_24xx *nv;
5094         uint32_t *dptr;
5095         uint8_t  *dptr1, *dptr2;
5096         uint32_t chksum;
5097         uint16_t cnt;
5098         struct qla_hw_data *ha = vha->hw;
5099
5100         rval = QLA_SUCCESS;
5101         icb = (struct init_cb_24xx *)ha->init_cb;
5102         nv = ha->nvram;
5103
5104         /* Determine NVRAM starting address. */
5105         if (ha->port_no == 0) {
5106                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
5107                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
5108         } else {
5109                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
5110                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
5111         }
5112
5113         ha->nvram_size = sizeof(struct nvram_24xx);
5114         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5115
5116         /* Get VPD data into cache */
5117         ha->vpd = ha->nvram + VPD_OFFSET;
5118         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
5119             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
5120
5121         /* Get NVRAM data into cache and calculate checksum. */
5122         dptr = (uint32_t *)nv;
5123         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
5124             ha->nvram_size);
5125         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5126                 chksum += le32_to_cpu(*dptr++);
5127
5128         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
5129             "Contents of NVRAM\n");
5130         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
5131             (uint8_t *)nv, ha->nvram_size);
5132
5133         /* Bad NVRAM data, set defaults parameters. */
5134         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5135             || nv->id[3] != ' ' ||
5136             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
5137                 /* Reset NVRAM data. */
5138                 ql_log(ql_log_warn, vha, 0x006b,
5139                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5140                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
5141                 ql_log(ql_log_warn, vha, 0x006c,
5142                     "Falling back to functioning (yet invalid -- WWPN) "
5143                     "defaults.\n");
5144
5145                 /*
5146                  * Set default initialization control block.
5147                  */
5148                 memset(nv, 0, ha->nvram_size);
5149                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
5150                 nv->version = cpu_to_le16(ICB_VERSION);
5151                 nv->frame_payload_size = 2048;
5152                 nv->execution_throttle = cpu_to_le16(0xFFFF);
5153                 nv->exchange_count = cpu_to_le16(0);
5154                 nv->hard_address = cpu_to_le16(124);
5155                 nv->port_name[0] = 0x21;
5156                 nv->port_name[1] = 0x00 + ha->port_no + 1;
5157                 nv->port_name[2] = 0x00;
5158                 nv->port_name[3] = 0xe0;
5159                 nv->port_name[4] = 0x8b;
5160                 nv->port_name[5] = 0x1c;
5161                 nv->port_name[6] = 0x55;
5162                 nv->port_name[7] = 0x86;
5163                 nv->node_name[0] = 0x20;
5164                 nv->node_name[1] = 0x00;
5165                 nv->node_name[2] = 0x00;
5166                 nv->node_name[3] = 0xe0;
5167                 nv->node_name[4] = 0x8b;
5168                 nv->node_name[5] = 0x1c;
5169                 nv->node_name[6] = 0x55;
5170                 nv->node_name[7] = 0x86;
5171                 qla24xx_nvram_wwn_from_ofw(vha, nv);
5172                 nv->login_retry_count = cpu_to_le16(8);
5173                 nv->interrupt_delay_timer = cpu_to_le16(0);
5174                 nv->login_timeout = cpu_to_le16(0);
5175                 nv->firmware_options_1 =
5176                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5177                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
5178                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
5179                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
5180                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
5181                 nv->efi_parameters = cpu_to_le32(0);
5182                 nv->reset_delay = 5;
5183                 nv->max_luns_per_target = cpu_to_le16(128);
5184                 nv->port_down_retry_count = cpu_to_le16(30);
5185                 nv->link_down_timeout = cpu_to_le16(30);
5186
5187                 rval = 1;
5188         }
5189
5190         if (!qla_ini_mode_enabled(vha)) {
5191                 /* Don't enable full login after initial LIP */
5192                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
5193                 /* Don't enable LIP full login for initiator */
5194                 nv->host_p &= cpu_to_le32(~BIT_10);
5195         }
5196
5197         qlt_24xx_config_nvram_stage1(vha, nv);
5198
5199         /* Reset Initialization control block */
5200         memset(icb, 0, ha->init_cb_size);
5201
5202         /* Copy 1st segment. */
5203         dptr1 = (uint8_t *)icb;
5204         dptr2 = (uint8_t *)&nv->version;
5205         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5206         while (cnt--)
5207                 *dptr1++ = *dptr2++;
5208
5209         icb->login_retry_count = nv->login_retry_count;
5210         icb->link_down_on_nos = nv->link_down_on_nos;
5211
5212         /* Copy 2nd segment. */
5213         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5214         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5215         cnt = (uint8_t *)&icb->reserved_3 -
5216             (uint8_t *)&icb->interrupt_delay_timer;
5217         while (cnt--)
5218                 *dptr1++ = *dptr2++;
5219
5220         /*
5221          * Setup driver NVRAM options.
5222          */
5223         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5224             "QLA2462");
5225
5226         qlt_24xx_config_nvram_stage2(vha, icb);
5227
5228         if (nv->host_p & cpu_to_le32(BIT_15)) {
5229                 /* Use alternate WWN? */
5230                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5231                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5232         }
5233
5234         /* Prepare nodename */
5235         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
5236                 /*
5237                  * Firmware will apply the following mask if the nodename was
5238                  * not provided.
5239                  */
5240                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5241                 icb->node_name[0] &= 0xF0;
5242         }
5243
5244         /* Set host adapter parameters. */
5245         ha->flags.disable_risc_code_load = 0;
5246         ha->flags.enable_lip_reset = 0;
5247         ha->flags.enable_lip_full_login =
5248             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5249         ha->flags.enable_target_reset =
5250             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5251         ha->flags.enable_led_scheme = 0;
5252         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5253
5254         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5255             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5256
5257         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
5258             sizeof(ha->fw_seriallink_options24));
5259
5260         /* save HBA serial number */
5261         ha->serial0 = icb->port_name[5];
5262         ha->serial1 = icb->port_name[6];
5263         ha->serial2 = icb->port_name[7];
5264         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5265         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5266
5267         icb->execution_throttle = cpu_to_le16(0xFFFF);
5268
5269         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5270
5271         /* Set minimum login_timeout to 4 seconds. */
5272         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5273                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5274         if (le16_to_cpu(nv->login_timeout) < 4)
5275                 nv->login_timeout = cpu_to_le16(4);
5276         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5277         icb->login_timeout = nv->login_timeout;
5278
5279         /* Set minimum RATOV to 100 tenths of a second. */
5280         ha->r_a_tov = 100;
5281
5282         ha->loop_reset_delay = nv->reset_delay;
5283
5284         /* Link Down Timeout = 0:
5285          *
5286          *      When Port Down timer expires we will start returning
5287          *      I/O's to OS with "DID_NO_CONNECT".
5288          *
5289          * Link Down Timeout != 0:
5290          *
5291          *       The driver waits for the link to come up after link down
5292          *       before returning I/Os to OS with "DID_NO_CONNECT".
5293          */
5294         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5295                 ha->loop_down_abort_time =
5296                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5297         } else {
5298                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5299                 ha->loop_down_abort_time =
5300                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5301         }
5302
5303         /* Need enough time to try and get the port back. */
5304         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5305         if (qlport_down_retry)
5306                 ha->port_down_retry_count = qlport_down_retry;
5307
5308         /* Set login_retry_count */
5309         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5310         if (ha->port_down_retry_count ==
5311             le16_to_cpu(nv->port_down_retry_count) &&
5312             ha->port_down_retry_count > 3)
5313                 ha->login_retry_count = ha->port_down_retry_count;
5314         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5315                 ha->login_retry_count = ha->port_down_retry_count;
5316         if (ql2xloginretrycount)
5317                 ha->login_retry_count = ql2xloginretrycount;
5318
5319         /* Enable ZIO. */
5320         if (!vha->flags.init_done) {
5321                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5322                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5323                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5324                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5325         }
5326         icb->firmware_options_2 &= cpu_to_le32(
5327             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5328         vha->flags.process_response_queue = 0;
5329         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5330                 ha->zio_mode = QLA_ZIO_MODE_6;
5331
5332                 ql_log(ql_log_info, vha, 0x006f,
5333                     "ZIO mode %d enabled; timer delay (%d us).\n",
5334                     ha->zio_mode, ha->zio_timer * 100);
5335
5336                 icb->firmware_options_2 |= cpu_to_le32(
5337                     (uint32_t)ha->zio_mode);
5338                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5339                 vha->flags.process_response_queue = 1;
5340         }
5341
5342         if (rval) {
5343                 ql_log(ql_log_warn, vha, 0x0070,
5344                     "NVRAM configuration failed.\n");
5345         }
5346         return (rval);
5347 }
5348
5349 static int
5350 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5351     uint32_t faddr)
5352 {
5353         int     rval = QLA_SUCCESS;
5354         int     segments, fragment;
5355         uint32_t *dcode, dlen;
5356         uint32_t risc_addr;
5357         uint32_t risc_size;
5358         uint32_t i;
5359         struct qla_hw_data *ha = vha->hw;
5360         struct req_que *req = ha->req_q_map[0];
5361
5362         ql_dbg(ql_dbg_init, vha, 0x008b,
5363             "FW: Loading firmware from flash (%x).\n", faddr);
5364
5365         rval = QLA_SUCCESS;
5366
5367         segments = FA_RISC_CODE_SEGMENTS;
5368         dcode = (uint32_t *)req->ring;
5369         *srisc_addr = 0;
5370
5371         /* Validate firmware image by checking version. */
5372         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5373         for (i = 0; i < 4; i++)
5374                 dcode[i] = be32_to_cpu(dcode[i]);
5375         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5376             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5377             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5378                 dcode[3] == 0)) {
5379                 ql_log(ql_log_fatal, vha, 0x008c,
5380                     "Unable to verify the integrity of flash firmware "
5381                     "image.\n");
5382                 ql_log(ql_log_fatal, vha, 0x008d,
5383                     "Firmware data: %08x %08x %08x %08x.\n",
5384                     dcode[0], dcode[1], dcode[2], dcode[3]);
5385
5386                 return QLA_FUNCTION_FAILED;
5387         }
5388
5389         while (segments && rval == QLA_SUCCESS) {
5390                 /* Read segment's load information. */
5391                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5392
5393                 risc_addr = be32_to_cpu(dcode[2]);
5394                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5395                 risc_size = be32_to_cpu(dcode[3]);
5396
5397                 fragment = 0;
5398                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5399                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5400                         if (dlen > risc_size)
5401                                 dlen = risc_size;
5402
5403                         ql_dbg(ql_dbg_init, vha, 0x008e,
5404                             "Loading risc segment@ risc addr %x "
5405                             "number of dwords 0x%x offset 0x%x.\n",
5406                             risc_addr, dlen, faddr);
5407
5408                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5409                         for (i = 0; i < dlen; i++)
5410                                 dcode[i] = swab32(dcode[i]);
5411
5412                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5413                             dlen);
5414                         if (rval) {
5415                                 ql_log(ql_log_fatal, vha, 0x008f,
5416                                     "Failed to load segment %d of firmware.\n",
5417                                     fragment);
5418                                 return QLA_FUNCTION_FAILED;
5419                         }
5420
5421                         faddr += dlen;
5422                         risc_addr += dlen;
5423                         risc_size -= dlen;
5424                         fragment++;
5425                 }
5426
5427                 /* Next segment. */
5428                 segments--;
5429         }
5430
5431         if (!IS_QLA27XX(ha))
5432                 return rval;
5433
5434         if (ha->fw_dump_template)
5435                 vfree(ha->fw_dump_template);
5436         ha->fw_dump_template = NULL;
5437         ha->fw_dump_template_len = 0;
5438
5439         ql_dbg(ql_dbg_init, vha, 0x0161,
5440             "Loading fwdump template from %x\n", faddr);
5441         qla24xx_read_flash_data(vha, dcode, faddr, 7);
5442         risc_size = be32_to_cpu(dcode[2]);
5443         ql_dbg(ql_dbg_init, vha, 0x0162,
5444             "-> array size %x dwords\n", risc_size);
5445         if (risc_size == 0 || risc_size == ~0)
5446                 goto default_template;
5447
5448         dlen = (risc_size - 8) * sizeof(*dcode);
5449         ql_dbg(ql_dbg_init, vha, 0x0163,
5450             "-> template allocating %x bytes...\n", dlen);
5451         ha->fw_dump_template = vmalloc(dlen);
5452         if (!ha->fw_dump_template) {
5453                 ql_log(ql_log_warn, vha, 0x0164,
5454                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5455                 goto default_template;
5456         }
5457
5458         faddr += 7;
5459         risc_size -= 8;
5460         dcode = ha->fw_dump_template;
5461         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
5462         for (i = 0; i < risc_size; i++)
5463                 dcode[i] = le32_to_cpu(dcode[i]);
5464
5465         if (!qla27xx_fwdt_template_valid(dcode)) {
5466                 ql_log(ql_log_warn, vha, 0x0165,
5467                     "Failed fwdump template validate\n");
5468                 goto default_template;
5469         }
5470
5471         dlen = qla27xx_fwdt_template_size(dcode);
5472         ql_dbg(ql_dbg_init, vha, 0x0166,
5473             "-> template size %x bytes\n", dlen);
5474         if (dlen > risc_size * sizeof(*dcode)) {
5475                 ql_log(ql_log_warn, vha, 0x0167,
5476                     "Failed fwdump template exceeds array by %x bytes\n",
5477                     (uint32_t)(dlen - risc_size * sizeof(*dcode)));
5478                 goto default_template;
5479         }
5480         ha->fw_dump_template_len = dlen;
5481         return rval;
5482
5483 default_template:
5484         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
5485         if (ha->fw_dump_template)
5486                 vfree(ha->fw_dump_template);
5487         ha->fw_dump_template = NULL;
5488         ha->fw_dump_template_len = 0;
5489
5490         dlen = qla27xx_fwdt_template_default_size();
5491         ql_dbg(ql_dbg_init, vha, 0x0169,
5492             "-> template allocating %x bytes...\n", dlen);
5493         ha->fw_dump_template = vmalloc(dlen);
5494         if (!ha->fw_dump_template) {
5495                 ql_log(ql_log_warn, vha, 0x016a,
5496                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5497                 goto failed_template;
5498         }
5499
5500         dcode = ha->fw_dump_template;
5501         risc_size = dlen / sizeof(*dcode);
5502         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
5503         for (i = 0; i < risc_size; i++)
5504                 dcode[i] = be32_to_cpu(dcode[i]);
5505
5506         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5507                 ql_log(ql_log_warn, vha, 0x016b,
5508                     "Failed fwdump template validate\n");
5509                 goto failed_template;
5510         }
5511
5512         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5513         ql_dbg(ql_dbg_init, vha, 0x016c,
5514             "-> template size %x bytes\n", dlen);
5515         ha->fw_dump_template_len = dlen;
5516         return rval;
5517
5518 failed_template:
5519         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
5520         if (ha->fw_dump_template)
5521                 vfree(ha->fw_dump_template);
5522         ha->fw_dump_template = NULL;
5523         ha->fw_dump_template_len = 0;
5524         return rval;
5525 }
5526
5527 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5528
5529 int
5530 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5531 {
5532         int     rval;
5533         int     i, fragment;
5534         uint16_t *wcode, *fwcode;
5535         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5536         struct fw_blob *blob;
5537         struct qla_hw_data *ha = vha->hw;
5538         struct req_que *req = ha->req_q_map[0];
5539
5540         /* Load firmware blob. */
5541         blob = qla2x00_request_firmware(vha);
5542         if (!blob) {
5543                 ql_log(ql_log_info, vha, 0x0083,
5544                     "Firmware image unavailable.\n");
5545                 ql_log(ql_log_info, vha, 0x0084,
5546                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5547                 return QLA_FUNCTION_FAILED;
5548         }
5549
5550         rval = QLA_SUCCESS;
5551
5552         wcode = (uint16_t *)req->ring;
5553         *srisc_addr = 0;
5554         fwcode = (uint16_t *)blob->fw->data;
5555         fwclen = 0;
5556
5557         /* Validate firmware image by checking version. */
5558         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5559                 ql_log(ql_log_fatal, vha, 0x0085,
5560                     "Unable to verify integrity of firmware image (%Zd).\n",
5561                     blob->fw->size);
5562                 goto fail_fw_integrity;
5563         }
5564         for (i = 0; i < 4; i++)
5565                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5566         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5567             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5568                 wcode[2] == 0 && wcode[3] == 0)) {
5569                 ql_log(ql_log_fatal, vha, 0x0086,
5570                     "Unable to verify integrity of firmware image.\n");
5571                 ql_log(ql_log_fatal, vha, 0x0087,
5572                     "Firmware data: %04x %04x %04x %04x.\n",
5573                     wcode[0], wcode[1], wcode[2], wcode[3]);
5574                 goto fail_fw_integrity;
5575         }
5576
5577         seg = blob->segs;
5578         while (*seg && rval == QLA_SUCCESS) {
5579                 risc_addr = *seg;
5580                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5581                 risc_size = be16_to_cpu(fwcode[3]);
5582
5583                 /* Validate firmware image size. */
5584                 fwclen += risc_size * sizeof(uint16_t);
5585                 if (blob->fw->size < fwclen) {
5586                         ql_log(ql_log_fatal, vha, 0x0088,
5587                             "Unable to verify integrity of firmware image "
5588                             "(%Zd).\n", blob->fw->size);
5589                         goto fail_fw_integrity;
5590                 }
5591
5592                 fragment = 0;
5593                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5594                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5595                         if (wlen > risc_size)
5596                                 wlen = risc_size;
5597                         ql_dbg(ql_dbg_init, vha, 0x0089,
5598                             "Loading risc segment@ risc addr %x number of "
5599                             "words 0x%x.\n", risc_addr, wlen);
5600
5601                         for (i = 0; i < wlen; i++)
5602                                 wcode[i] = swab16(fwcode[i]);
5603
5604                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5605                             wlen);
5606                         if (rval) {
5607                                 ql_log(ql_log_fatal, vha, 0x008a,
5608                                     "Failed to load segment %d of firmware.\n",
5609                                     fragment);
5610                                 break;
5611                         }
5612
5613                         fwcode += wlen;
5614                         risc_addr += wlen;
5615                         risc_size -= wlen;
5616                         fragment++;
5617                 }
5618
5619                 /* Next segment. */
5620                 seg++;
5621         }
5622         return rval;
5623
5624 fail_fw_integrity:
5625         return QLA_FUNCTION_FAILED;
5626 }
5627
5628 static int
5629 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5630 {
5631         int     rval;
5632         int     segments, fragment;
5633         uint32_t *dcode, dlen;
5634         uint32_t risc_addr;
5635         uint32_t risc_size;
5636         uint32_t i;
5637         struct fw_blob *blob;
5638         const uint32_t *fwcode;
5639         uint32_t fwclen;
5640         struct qla_hw_data *ha = vha->hw;
5641         struct req_que *req = ha->req_q_map[0];
5642
5643         /* Load firmware blob. */
5644         blob = qla2x00_request_firmware(vha);
5645         if (!blob) {
5646                 ql_log(ql_log_warn, vha, 0x0090,
5647                     "Firmware image unavailable.\n");
5648                 ql_log(ql_log_warn, vha, 0x0091,
5649                     "Firmware images can be retrieved from: "
5650                     QLA_FW_URL ".\n");
5651
5652                 return QLA_FUNCTION_FAILED;
5653         }
5654
5655         ql_dbg(ql_dbg_init, vha, 0x0092,
5656             "FW: Loading via request-firmware.\n");
5657
5658         rval = QLA_SUCCESS;
5659
5660         segments = FA_RISC_CODE_SEGMENTS;
5661         dcode = (uint32_t *)req->ring;
5662         *srisc_addr = 0;
5663         fwcode = (uint32_t *)blob->fw->data;
5664         fwclen = 0;
5665
5666         /* Validate firmware image by checking version. */
5667         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5668                 ql_log(ql_log_fatal, vha, 0x0093,
5669                     "Unable to verify integrity of firmware image (%Zd).\n",
5670                     blob->fw->size);
5671                 return QLA_FUNCTION_FAILED;
5672         }
5673         for (i = 0; i < 4; i++)
5674                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5675         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5676             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5677             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5678                 dcode[3] == 0)) {
5679                 ql_log(ql_log_fatal, vha, 0x0094,
5680                     "Unable to verify integrity of firmware image (%Zd).\n",
5681                     blob->fw->size);
5682                 ql_log(ql_log_fatal, vha, 0x0095,
5683                     "Firmware data: %08x %08x %08x %08x.\n",
5684                     dcode[0], dcode[1], dcode[2], dcode[3]);
5685                 return QLA_FUNCTION_FAILED;
5686         }
5687
5688         while (segments && rval == QLA_SUCCESS) {
5689                 risc_addr = be32_to_cpu(fwcode[2]);
5690                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5691                 risc_size = be32_to_cpu(fwcode[3]);
5692
5693                 /* Validate firmware image size. */
5694                 fwclen += risc_size * sizeof(uint32_t);
5695                 if (blob->fw->size < fwclen) {
5696                         ql_log(ql_log_fatal, vha, 0x0096,
5697                             "Unable to verify integrity of firmware image "
5698                             "(%Zd).\n", blob->fw->size);
5699                         return QLA_FUNCTION_FAILED;
5700                 }
5701
5702                 fragment = 0;
5703                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5704                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5705                         if (dlen > risc_size)
5706                                 dlen = risc_size;
5707
5708                         ql_dbg(ql_dbg_init, vha, 0x0097,
5709                             "Loading risc segment@ risc addr %x "
5710                             "number of dwords 0x%x.\n", risc_addr, dlen);
5711
5712                         for (i = 0; i < dlen; i++)
5713                                 dcode[i] = swab32(fwcode[i]);
5714
5715                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5716                             dlen);
5717                         if (rval) {
5718                                 ql_log(ql_log_fatal, vha, 0x0098,
5719                                     "Failed to load segment %d of firmware.\n",
5720                                     fragment);
5721                                 return QLA_FUNCTION_FAILED;
5722                         }
5723
5724                         fwcode += dlen;
5725                         risc_addr += dlen;
5726                         risc_size -= dlen;
5727                         fragment++;
5728                 }
5729
5730                 /* Next segment. */
5731                 segments--;
5732         }
5733
5734         if (!IS_QLA27XX(ha))
5735                 return rval;
5736
5737         if (ha->fw_dump_template)
5738                 vfree(ha->fw_dump_template);
5739         ha->fw_dump_template = NULL;
5740         ha->fw_dump_template_len = 0;
5741
5742         ql_dbg(ql_dbg_init, vha, 0x171,
5743             "Loading fwdump template from %x\n",
5744             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
5745         risc_size = be32_to_cpu(fwcode[2]);
5746         ql_dbg(ql_dbg_init, vha, 0x172,
5747             "-> array size %x dwords\n", risc_size);
5748         if (risc_size == 0 || risc_size == ~0)
5749                 goto default_template;
5750
5751         dlen = (risc_size - 8) * sizeof(*fwcode);
5752         ql_dbg(ql_dbg_init, vha, 0x0173,
5753             "-> template allocating %x bytes...\n", dlen);
5754         ha->fw_dump_template = vmalloc(dlen);
5755         if (!ha->fw_dump_template) {
5756                 ql_log(ql_log_warn, vha, 0x0174,
5757                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5758                 goto default_template;
5759         }
5760
5761         fwcode += 7;
5762         risc_size -= 8;
5763         dcode = ha->fw_dump_template;
5764         for (i = 0; i < risc_size; i++)
5765                 dcode[i] = le32_to_cpu(fwcode[i]);
5766
5767         if (!qla27xx_fwdt_template_valid(dcode)) {
5768                 ql_log(ql_log_warn, vha, 0x0175,
5769                     "Failed fwdump template validate\n");
5770                 goto default_template;
5771         }
5772
5773         dlen = qla27xx_fwdt_template_size(dcode);
5774         ql_dbg(ql_dbg_init, vha, 0x0176,
5775             "-> template size %x bytes\n", dlen);
5776         if (dlen > risc_size * sizeof(*fwcode)) {
5777                 ql_log(ql_log_warn, vha, 0x0177,
5778                     "Failed fwdump template exceeds array by %x bytes\n",
5779                     (uint32_t)(dlen - risc_size * sizeof(*fwcode)));
5780                 goto default_template;
5781         }
5782         ha->fw_dump_template_len = dlen;
5783         return rval;
5784
5785 default_template:
5786         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
5787         if (ha->fw_dump_template)
5788                 vfree(ha->fw_dump_template);
5789         ha->fw_dump_template = NULL;
5790         ha->fw_dump_template_len = 0;
5791
5792         dlen = qla27xx_fwdt_template_default_size();
5793         ql_dbg(ql_dbg_init, vha, 0x0179,
5794             "-> template allocating %x bytes...\n", dlen);
5795         ha->fw_dump_template = vmalloc(dlen);
5796         if (!ha->fw_dump_template) {
5797                 ql_log(ql_log_warn, vha, 0x017a,
5798                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5799                 goto failed_template;
5800         }
5801
5802         dcode = ha->fw_dump_template;
5803         risc_size = dlen / sizeof(*fwcode);
5804         fwcode = qla27xx_fwdt_template_default();
5805         for (i = 0; i < risc_size; i++)
5806                 dcode[i] = be32_to_cpu(fwcode[i]);
5807
5808         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5809                 ql_log(ql_log_warn, vha, 0x017b,
5810                     "Failed fwdump template validate\n");
5811                 goto failed_template;
5812         }
5813
5814         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5815         ql_dbg(ql_dbg_init, vha, 0x017c,
5816             "-> template size %x bytes\n", dlen);
5817         ha->fw_dump_template_len = dlen;
5818         return rval;
5819
5820 failed_template:
5821         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
5822         if (ha->fw_dump_template)
5823                 vfree(ha->fw_dump_template);
5824         ha->fw_dump_template = NULL;
5825         ha->fw_dump_template_len = 0;
5826         return rval;
5827 }
5828
5829 int
5830 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5831 {
5832         int rval;
5833
5834         if (ql2xfwloadbin == 1)
5835                 return qla81xx_load_risc(vha, srisc_addr);
5836
5837         /*
5838          * FW Load priority:
5839          * 1) Firmware via request-firmware interface (.bin file).
5840          * 2) Firmware residing in flash.
5841          */
5842         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5843         if (rval == QLA_SUCCESS)
5844                 return rval;
5845
5846         return qla24xx_load_risc_flash(vha, srisc_addr,
5847             vha->hw->flt_region_fw);
5848 }
5849
5850 int
5851 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5852 {
5853         int rval;
5854         struct qla_hw_data *ha = vha->hw;
5855
5856         if (ql2xfwloadbin == 2)
5857                 goto try_blob_fw;
5858
5859         /*
5860          * FW Load priority:
5861          * 1) Firmware residing in flash.
5862          * 2) Firmware via request-firmware interface (.bin file).
5863          * 3) Golden-Firmware residing in flash -- limited operation.
5864          */
5865         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5866         if (rval == QLA_SUCCESS)
5867                 return rval;
5868
5869 try_blob_fw:
5870         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5871         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5872                 return rval;
5873
5874         ql_log(ql_log_info, vha, 0x0099,
5875             "Attempting to fallback to golden firmware.\n");
5876         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5877         if (rval != QLA_SUCCESS)
5878                 return rval;
5879
5880         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5881         ha->flags.running_gold_fw = 1;
5882         return rval;
5883 }
5884
5885 void
5886 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5887 {
5888         int ret, retries;
5889         struct qla_hw_data *ha = vha->hw;
5890
5891         if (ha->flags.pci_channel_io_perm_failure)
5892                 return;
5893         if (!IS_FWI2_CAPABLE(ha))
5894                 return;
5895         if (!ha->fw_major_version)
5896                 return;
5897
5898         ret = qla2x00_stop_firmware(vha);
5899         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5900             ret != QLA_INVALID_COMMAND && retries ; retries--) {
5901                 ha->isp_ops->reset_chip(vha);
5902                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5903                         continue;
5904                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5905                         continue;
5906                 ql_log(ql_log_info, vha, 0x8015,
5907                     "Attempting retry of stop-firmware command.\n");
5908                 ret = qla2x00_stop_firmware(vha);
5909         }
5910 }
5911
5912 int
5913 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5914 {
5915         int rval = QLA_SUCCESS;
5916         int rval2;
5917         uint16_t mb[MAILBOX_REGISTER_COUNT];
5918         struct qla_hw_data *ha = vha->hw;
5919         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5920         struct req_que *req;
5921         struct rsp_que *rsp;
5922
5923         if (!vha->vp_idx)
5924                 return -EINVAL;
5925
5926         rval = qla2x00_fw_ready(base_vha);
5927         if (ha->flags.cpu_affinity_enabled)
5928                 req = ha->req_q_map[0];
5929         else
5930                 req = vha->req;
5931         rsp = req->rsp;
5932
5933         if (rval == QLA_SUCCESS) {
5934                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5935                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5936         }
5937
5938         vha->flags.management_server_logged_in = 0;
5939
5940         /* Login to SNS first */
5941         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5942             BIT_1);
5943         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5944                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5945                         ql_dbg(ql_dbg_init, vha, 0x0120,
5946                             "Failed SNS login: loop_id=%x, rval2=%d\n",
5947                             NPH_SNS, rval2);
5948                 else
5949                         ql_dbg(ql_dbg_init, vha, 0x0103,
5950                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5951                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5952                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5953                 return (QLA_FUNCTION_FAILED);
5954         }
5955
5956         atomic_set(&vha->loop_down_timer, 0);
5957         atomic_set(&vha->loop_state, LOOP_UP);
5958         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5959         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5960         rval = qla2x00_loop_resync(base_vha);
5961
5962         return rval;
5963 }
5964
5965 /* 84XX Support **************************************************************/
5966
5967 static LIST_HEAD(qla_cs84xx_list);
5968 static DEFINE_MUTEX(qla_cs84xx_mutex);
5969
5970 static struct qla_chip_state_84xx *
5971 qla84xx_get_chip(struct scsi_qla_host *vha)
5972 {
5973         struct qla_chip_state_84xx *cs84xx;
5974         struct qla_hw_data *ha = vha->hw;
5975
5976         mutex_lock(&qla_cs84xx_mutex);
5977
5978         /* Find any shared 84xx chip. */
5979         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5980                 if (cs84xx->bus == ha->pdev->bus) {
5981                         kref_get(&cs84xx->kref);
5982                         goto done;
5983                 }
5984         }
5985
5986         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5987         if (!cs84xx)
5988                 goto done;
5989
5990         kref_init(&cs84xx->kref);
5991         spin_lock_init(&cs84xx->access_lock);
5992         mutex_init(&cs84xx->fw_update_mutex);
5993         cs84xx->bus = ha->pdev->bus;
5994
5995         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5996 done:
5997         mutex_unlock(&qla_cs84xx_mutex);
5998         return cs84xx;
5999 }
6000
6001 static void
6002 __qla84xx_chip_release(struct kref *kref)
6003 {
6004         struct qla_chip_state_84xx *cs84xx =
6005             container_of(kref, struct qla_chip_state_84xx, kref);
6006
6007         mutex_lock(&qla_cs84xx_mutex);
6008         list_del(&cs84xx->list);
6009         mutex_unlock(&qla_cs84xx_mutex);
6010         kfree(cs84xx);
6011 }
6012
6013 void
6014 qla84xx_put_chip(struct scsi_qla_host *vha)
6015 {
6016         struct qla_hw_data *ha = vha->hw;
6017         if (ha->cs84xx)
6018                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
6019 }
6020
6021 static int
6022 qla84xx_init_chip(scsi_qla_host_t *vha)
6023 {
6024         int rval;
6025         uint16_t status[2];
6026         struct qla_hw_data *ha = vha->hw;
6027
6028         mutex_lock(&ha->cs84xx->fw_update_mutex);
6029
6030         rval = qla84xx_verify_chip(vha, status);
6031
6032         mutex_unlock(&ha->cs84xx->fw_update_mutex);
6033
6034         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
6035             QLA_SUCCESS;
6036 }
6037
6038 /* 81XX Support **************************************************************/
6039
6040 int
6041 qla81xx_nvram_config(scsi_qla_host_t *vha)
6042 {
6043         int   rval;
6044         struct init_cb_81xx *icb;
6045         struct nvram_81xx *nv;
6046         uint32_t *dptr;
6047         uint8_t  *dptr1, *dptr2;
6048         uint32_t chksum;
6049         uint16_t cnt;
6050         struct qla_hw_data *ha = vha->hw;
6051
6052         rval = QLA_SUCCESS;
6053         icb = (struct init_cb_81xx *)ha->init_cb;
6054         nv = ha->nvram;
6055
6056         /* Determine NVRAM starting address. */
6057         ha->nvram_size = sizeof(struct nvram_81xx);
6058         ha->vpd_size = FA_NVRAM_VPD_SIZE;
6059         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
6060                 ha->vpd_size = FA_VPD_SIZE_82XX;
6061
6062         /* Get VPD data into cache */
6063         ha->vpd = ha->nvram + VPD_OFFSET;
6064         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
6065             ha->vpd_size);
6066
6067         /* Get NVRAM data into cache and calculate checksum. */
6068         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
6069             ha->nvram_size);
6070         dptr = (uint32_t *)nv;
6071         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
6072                 chksum += le32_to_cpu(*dptr++);
6073
6074         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
6075             "Contents of NVRAM:\n");
6076         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
6077             (uint8_t *)nv, ha->nvram_size);
6078
6079         /* Bad NVRAM data, set defaults parameters. */
6080         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
6081             || nv->id[3] != ' ' ||
6082             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
6083                 /* Reset NVRAM data. */
6084                 ql_log(ql_log_info, vha, 0x0073,
6085                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
6086                     "version=0x%x.\n", chksum, nv->id[0],
6087                     le16_to_cpu(nv->nvram_version));
6088                 ql_log(ql_log_info, vha, 0x0074,
6089                     "Falling back to functioning (yet invalid -- WWPN) "
6090                     "defaults.\n");
6091
6092                 /*
6093                  * Set default initialization control block.
6094                  */
6095                 memset(nv, 0, ha->nvram_size);
6096                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
6097                 nv->version = cpu_to_le16(ICB_VERSION);
6098                 nv->frame_payload_size = 2048;
6099                 nv->execution_throttle = cpu_to_le16(0xFFFF);
6100                 nv->exchange_count = cpu_to_le16(0);
6101                 nv->port_name[0] = 0x21;
6102                 nv->port_name[1] = 0x00 + ha->port_no + 1;
6103                 nv->port_name[2] = 0x00;
6104                 nv->port_name[3] = 0xe0;
6105                 nv->port_name[4] = 0x8b;
6106                 nv->port_name[5] = 0x1c;
6107                 nv->port_name[6] = 0x55;
6108                 nv->port_name[7] = 0x86;
6109                 nv->node_name[0] = 0x20;
6110                 nv->node_name[1] = 0x00;
6111                 nv->node_name[2] = 0x00;
6112                 nv->node_name[3] = 0xe0;
6113                 nv->node_name[4] = 0x8b;
6114                 nv->node_name[5] = 0x1c;
6115                 nv->node_name[6] = 0x55;
6116                 nv->node_name[7] = 0x86;
6117                 nv->login_retry_count = cpu_to_le16(8);
6118                 nv->interrupt_delay_timer = cpu_to_le16(0);
6119                 nv->login_timeout = cpu_to_le16(0);
6120                 nv->firmware_options_1 =
6121                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
6122                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
6123                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
6124                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
6125                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
6126                 nv->efi_parameters = cpu_to_le32(0);
6127                 nv->reset_delay = 5;
6128                 nv->max_luns_per_target = cpu_to_le16(128);
6129                 nv->port_down_retry_count = cpu_to_le16(30);
6130                 nv->link_down_timeout = cpu_to_le16(180);
6131                 nv->enode_mac[0] = 0x00;
6132                 nv->enode_mac[1] = 0xC0;
6133                 nv->enode_mac[2] = 0xDD;
6134                 nv->enode_mac[3] = 0x04;
6135                 nv->enode_mac[4] = 0x05;
6136                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
6137
6138                 rval = 1;
6139         }
6140
6141         if (IS_T10_PI_CAPABLE(ha))
6142                 nv->frame_payload_size &= ~7;
6143
6144         qlt_81xx_config_nvram_stage1(vha, nv);
6145
6146         /* Reset Initialization control block */
6147         memset(icb, 0, ha->init_cb_size);
6148
6149         /* Copy 1st segment. */
6150         dptr1 = (uint8_t *)icb;
6151         dptr2 = (uint8_t *)&nv->version;
6152         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
6153         while (cnt--)
6154                 *dptr1++ = *dptr2++;
6155
6156         icb->login_retry_count = nv->login_retry_count;
6157
6158         /* Copy 2nd segment. */
6159         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
6160         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
6161         cnt = (uint8_t *)&icb->reserved_5 -
6162             (uint8_t *)&icb->interrupt_delay_timer;
6163         while (cnt--)
6164                 *dptr1++ = *dptr2++;
6165
6166         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
6167         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
6168         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
6169                 icb->enode_mac[0] = 0x00;
6170                 icb->enode_mac[1] = 0xC0;
6171                 icb->enode_mac[2] = 0xDD;
6172                 icb->enode_mac[3] = 0x04;
6173                 icb->enode_mac[4] = 0x05;
6174                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
6175         }
6176
6177         /* Use extended-initialization control block. */
6178         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
6179
6180         /*
6181          * Setup driver NVRAM options.
6182          */
6183         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6184             "QLE8XXX");
6185
6186         qlt_81xx_config_nvram_stage2(vha, icb);
6187
6188         /* Use alternate WWN? */
6189         if (nv->host_p & cpu_to_le32(BIT_15)) {
6190                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6191                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6192         }
6193
6194         /* Prepare nodename */
6195         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
6196                 /*
6197                  * Firmware will apply the following mask if the nodename was
6198                  * not provided.
6199                  */
6200                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6201                 icb->node_name[0] &= 0xF0;
6202         }
6203
6204         /* Set host adapter parameters. */
6205         ha->flags.disable_risc_code_load = 0;
6206         ha->flags.enable_lip_reset = 0;
6207         ha->flags.enable_lip_full_login =
6208             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6209         ha->flags.enable_target_reset =
6210             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6211         ha->flags.enable_led_scheme = 0;
6212         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6213
6214         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6215             (BIT_6 | BIT_5 | BIT_4)) >> 4;
6216
6217         /* save HBA serial number */
6218         ha->serial0 = icb->port_name[5];
6219         ha->serial1 = icb->port_name[6];
6220         ha->serial2 = icb->port_name[7];
6221         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6222         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6223
6224         icb->execution_throttle = cpu_to_le16(0xFFFF);
6225
6226         ha->retry_count = le16_to_cpu(nv->login_retry_count);
6227
6228         /* Set minimum login_timeout to 4 seconds. */
6229         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6230                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6231         if (le16_to_cpu(nv->login_timeout) < 4)
6232                 nv->login_timeout = cpu_to_le16(4);
6233         ha->login_timeout = le16_to_cpu(nv->login_timeout);
6234         icb->login_timeout = nv->login_timeout;
6235
6236         /* Set minimum RATOV to 100 tenths of a second. */
6237         ha->r_a_tov = 100;
6238
6239         ha->loop_reset_delay = nv->reset_delay;
6240
6241         /* Link Down Timeout = 0:
6242          *
6243          *      When Port Down timer expires we will start returning
6244          *      I/O's to OS with "DID_NO_CONNECT".
6245          *
6246          * Link Down Timeout != 0:
6247          *
6248          *       The driver waits for the link to come up after link down
6249          *       before returning I/Os to OS with "DID_NO_CONNECT".
6250          */
6251         if (le16_to_cpu(nv->link_down_timeout) == 0) {
6252                 ha->loop_down_abort_time =
6253                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6254         } else {
6255                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
6256                 ha->loop_down_abort_time =
6257                     (LOOP_DOWN_TIME - ha->link_down_timeout);
6258         }
6259
6260         /* Need enough time to try and get the port back. */
6261         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6262         if (qlport_down_retry)
6263                 ha->port_down_retry_count = qlport_down_retry;
6264
6265         /* Set login_retry_count */
6266         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6267         if (ha->port_down_retry_count ==
6268             le16_to_cpu(nv->port_down_retry_count) &&
6269             ha->port_down_retry_count > 3)
6270                 ha->login_retry_count = ha->port_down_retry_count;
6271         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6272                 ha->login_retry_count = ha->port_down_retry_count;
6273         if (ql2xloginretrycount)
6274                 ha->login_retry_count = ql2xloginretrycount;
6275
6276         /* if not running MSI-X we need handshaking on interrupts */
6277         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
6278                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
6279
6280         /* Enable ZIO. */
6281         if (!vha->flags.init_done) {
6282                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6283                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6284                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6285                     le16_to_cpu(icb->interrupt_delay_timer): 2;
6286         }
6287         icb->firmware_options_2 &= cpu_to_le32(
6288             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6289         vha->flags.process_response_queue = 0;
6290         if (ha->zio_mode != QLA_ZIO_DISABLED) {
6291                 ha->zio_mode = QLA_ZIO_MODE_6;
6292
6293                 ql_log(ql_log_info, vha, 0x0075,
6294                     "ZIO mode %d enabled; timer delay (%d us).\n",
6295                     ha->zio_mode,
6296                     ha->zio_timer * 100);
6297
6298                 icb->firmware_options_2 |= cpu_to_le32(
6299                     (uint32_t)ha->zio_mode);
6300                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6301                 vha->flags.process_response_queue = 1;
6302         }
6303
6304         if (rval) {
6305                 ql_log(ql_log_warn, vha, 0x0076,
6306                     "NVRAM configuration failed.\n");
6307         }
6308         return (rval);
6309 }
6310
6311 int
6312 qla82xx_restart_isp(scsi_qla_host_t *vha)
6313 {
6314         int status, rval;
6315         struct qla_hw_data *ha = vha->hw;
6316         struct req_que *req = ha->req_q_map[0];
6317         struct rsp_que *rsp = ha->rsp_q_map[0];
6318         struct scsi_qla_host *vp;
6319         unsigned long flags;
6320
6321         status = qla2x00_init_rings(vha);
6322         if (!status) {
6323                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6324                 ha->flags.chip_reset_done = 1;
6325
6326                 status = qla2x00_fw_ready(vha);
6327                 if (!status) {
6328                         /* Issue a marker after FW becomes ready. */
6329                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6330                         vha->flags.online = 1;
6331                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6332                 }
6333
6334                 /* if no cable then assume it's good */
6335                 if ((vha->device_flags & DFLG_NO_CABLE))
6336                         status = 0;
6337         }
6338
6339         if (!status) {
6340                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6341
6342                 if (!atomic_read(&vha->loop_down_timer)) {
6343                         /*
6344                          * Issue marker command only when we are going
6345                          * to start the I/O .
6346                          */
6347                         vha->marker_needed = 1;
6348                 }
6349
6350                 ha->isp_ops->enable_intrs(ha);
6351
6352                 ha->isp_abort_cnt = 0;
6353                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6354
6355                 /* Update the firmware version */
6356                 status = qla82xx_check_md_needed(vha);
6357
6358                 if (ha->fce) {
6359                         ha->flags.fce_enabled = 1;
6360                         memset(ha->fce, 0,
6361                             fce_calc_size(ha->fce_bufs));
6362                         rval = qla2x00_enable_fce_trace(vha,
6363                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6364                             &ha->fce_bufs);
6365                         if (rval) {
6366                                 ql_log(ql_log_warn, vha, 0x8001,
6367                                     "Unable to reinitialize FCE (%d).\n",
6368                                     rval);
6369                                 ha->flags.fce_enabled = 0;
6370                         }
6371                 }
6372
6373                 if (ha->eft) {
6374                         memset(ha->eft, 0, EFT_SIZE);
6375                         rval = qla2x00_enable_eft_trace(vha,
6376                             ha->eft_dma, EFT_NUM_BUFFERS);
6377                         if (rval) {
6378                                 ql_log(ql_log_warn, vha, 0x8010,
6379                                     "Unable to reinitialize EFT (%d).\n",
6380                                     rval);
6381                         }
6382                 }
6383         }
6384
6385         if (!status) {
6386                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
6387                     "qla82xx_restart_isp succeeded.\n");
6388
6389                 spin_lock_irqsave(&ha->vport_slock, flags);
6390                 list_for_each_entry(vp, &ha->vp_list, list) {
6391                         if (vp->vp_idx) {
6392                                 atomic_inc(&vp->vref_count);
6393                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6394
6395                                 qla2x00_vp_abort_isp(vp);
6396
6397                                 spin_lock_irqsave(&ha->vport_slock, flags);
6398                                 atomic_dec(&vp->vref_count);
6399                         }
6400                 }
6401                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6402
6403         } else {
6404                 ql_log(ql_log_warn, vha, 0x8016,
6405                     "qla82xx_restart_isp **** FAILED ****.\n");
6406         }
6407
6408         return status;
6409 }
6410
6411 void
6412 qla81xx_update_fw_options(scsi_qla_host_t *vha)
6413 {
6414         struct qla_hw_data *ha = vha->hw;
6415
6416         if (!ql2xetsenable)
6417                 return;
6418
6419         /* Enable ETS Burst. */
6420         memset(ha->fw_options, 0, sizeof(ha->fw_options));
6421         ha->fw_options[2] |= BIT_9;
6422         qla2x00_set_fw_options(vha, ha->fw_options);
6423 }
6424
6425 /*
6426  * qla24xx_get_fcp_prio
6427  *      Gets the fcp cmd priority value for the logged in port.
6428  *      Looks for a match of the port descriptors within
6429  *      each of the fcp prio config entries. If a match is found,
6430  *      the tag (priority) value is returned.
6431  *
6432  * Input:
6433  *      vha = scsi host structure pointer.
6434  *      fcport = port structure pointer.
6435  *
6436  * Return:
6437  *      non-zero (if found)
6438  *      -1 (if not found)
6439  *
6440  * Context:
6441  *      Kernel context
6442  */
6443 static int
6444 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6445 {
6446         int i, entries;
6447         uint8_t pid_match, wwn_match;
6448         int priority;
6449         uint32_t pid1, pid2;
6450         uint64_t wwn1, wwn2;
6451         struct qla_fcp_prio_entry *pri_entry;
6452         struct qla_hw_data *ha = vha->hw;
6453
6454         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
6455                 return -1;
6456
6457         priority = -1;
6458         entries = ha->fcp_prio_cfg->num_entries;
6459         pri_entry = &ha->fcp_prio_cfg->entry[0];
6460
6461         for (i = 0; i < entries; i++) {
6462                 pid_match = wwn_match = 0;
6463
6464                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
6465                         pri_entry++;
6466                         continue;
6467                 }
6468
6469                 /* check source pid for a match */
6470                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
6471                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
6472                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
6473                         if (pid1 == INVALID_PORT_ID)
6474                                 pid_match++;
6475                         else if (pid1 == pid2)
6476                                 pid_match++;
6477                 }
6478
6479                 /* check destination pid for a match */
6480                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
6481                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
6482                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
6483                         if (pid1 == INVALID_PORT_ID)
6484                                 pid_match++;
6485                         else if (pid1 == pid2)
6486                                 pid_match++;
6487                 }
6488
6489                 /* check source WWN for a match */
6490                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6491                         wwn1 = wwn_to_u64(vha->port_name);
6492                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6493                         if (wwn2 == (uint64_t)-1)
6494                                 wwn_match++;
6495                         else if (wwn1 == wwn2)
6496                                 wwn_match++;
6497                 }
6498
6499                 /* check destination WWN for a match */
6500                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6501                         wwn1 = wwn_to_u64(fcport->port_name);
6502                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6503                         if (wwn2 == (uint64_t)-1)
6504                                 wwn_match++;
6505                         else if (wwn1 == wwn2)
6506                                 wwn_match++;
6507                 }
6508
6509                 if (pid_match == 2 || wwn_match == 2) {
6510                         /* Found a matching entry */
6511                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6512                                 priority = pri_entry->tag;
6513                         break;
6514                 }
6515
6516                 pri_entry++;
6517         }
6518
6519         return priority;
6520 }
6521
6522 /*
6523  * qla24xx_update_fcport_fcp_prio
6524  *      Activates fcp priority for the logged in fc port
6525  *
6526  * Input:
6527  *      vha = scsi host structure pointer.
6528  *      fcp = port structure pointer.
6529  *
6530  * Return:
6531  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6532  *
6533  * Context:
6534  *      Kernel context.
6535  */
6536 int
6537 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6538 {
6539         int ret;
6540         int priority;
6541         uint16_t mb[5];
6542
6543         if (fcport->port_type != FCT_TARGET ||
6544             fcport->loop_id == FC_NO_LOOP_ID)
6545                 return QLA_FUNCTION_FAILED;
6546
6547         priority = qla24xx_get_fcp_prio(vha, fcport);
6548         if (priority < 0)
6549                 return QLA_FUNCTION_FAILED;
6550
6551         if (IS_P3P_TYPE(vha->hw)) {
6552                 fcport->fcp_prio = priority & 0xf;
6553                 return QLA_SUCCESS;
6554         }
6555
6556         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6557         if (ret == QLA_SUCCESS) {
6558                 if (fcport->fcp_prio != priority)
6559                         ql_dbg(ql_dbg_user, vha, 0x709e,
6560                             "Updated FCP_CMND priority - value=%d loop_id=%d "
6561                             "port_id=%02x%02x%02x.\n", priority,
6562                             fcport->loop_id, fcport->d_id.b.domain,
6563                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6564                 fcport->fcp_prio = priority & 0xf;
6565         } else
6566                 ql_dbg(ql_dbg_user, vha, 0x704f,
6567                     "Unable to update FCP_CMND priority - ret=0x%x for "
6568                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6569                     fcport->d_id.b.domain, fcport->d_id.b.area,
6570                     fcport->d_id.b.al_pa);
6571         return  ret;
6572 }
6573
6574 /*
6575  * qla24xx_update_all_fcp_prio
6576  *      Activates fcp priority for all the logged in ports
6577  *
6578  * Input:
6579  *      ha = adapter block pointer.
6580  *
6581  * Return:
6582  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6583  *
6584  * Context:
6585  *      Kernel context.
6586  */
6587 int
6588 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6589 {
6590         int ret;
6591         fc_port_t *fcport;
6592
6593         ret = QLA_FUNCTION_FAILED;
6594         /* We need to set priority for all logged in ports */
6595         list_for_each_entry(fcport, &vha->vp_fcports, list)
6596                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6597
6598         return ret;
6599 }