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->fw_xcb_count <= ha->fw_iocb_count)
1770                         req->num_outstanding_cmds = ha->fw_xcb_count;
1771                 else
1772                         req->num_outstanding_cmds = ha->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                         rval = qla2x00_execute_fw(vha, srisc_address);
1847                         /* Retrieve firmware information. */
1848                         if (rval == QLA_SUCCESS) {
1849 enable_82xx_npiv:
1850                                 fw_major_version = ha->fw_major_version;
1851                                 if (IS_P3P_TYPE(ha))
1852                                         qla82xx_check_md_needed(vha);
1853                                 else
1854                                         rval = qla2x00_get_fw_version(vha);
1855                                 if (rval != QLA_SUCCESS)
1856                                         goto failed;
1857                                 ha->flags.npiv_supported = 0;
1858                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1859                                          (ha->fw_attributes & BIT_2)) {
1860                                         ha->flags.npiv_supported = 1;
1861                                         if ((!ha->max_npiv_vports) ||
1862                                             ((ha->max_npiv_vports + 1) %
1863                                             MIN_MULTI_ID_FABRIC))
1864                                                 ha->max_npiv_vports =
1865                                                     MIN_MULTI_ID_FABRIC - 1;
1866                                 }
1867                                 qla2x00_get_resource_cnts(vha, NULL,
1868                                     &ha->fw_xcb_count, NULL, &ha->fw_iocb_count,
1869                                     &ha->max_npiv_vports, NULL);
1870
1871                                 /*
1872                                  * Allocate the array of outstanding commands
1873                                  * now that we know the firmware resources.
1874                                  */
1875                                 rval = qla2x00_alloc_outstanding_cmds(ha,
1876                                     vha->req);
1877                                 if (rval != QLA_SUCCESS)
1878                                         goto failed;
1879
1880                                 if (!fw_major_version && ql2xallocfwdump
1881                                     && !(IS_P3P_TYPE(ha)))
1882                                         qla2x00_alloc_fw_dump(vha);
1883                         } else {
1884                                 goto failed;
1885                         }
1886                 } else {
1887                         ql_log(ql_log_fatal, vha, 0x00cd,
1888                             "ISP Firmware failed checksum.\n");
1889                         goto failed;
1890                 }
1891         } else
1892                 goto failed;
1893
1894         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1895                 /* Enable proper parity. */
1896                 spin_lock_irqsave(&ha->hardware_lock, flags);
1897                 if (IS_QLA2300(ha))
1898                         /* SRAM parity */
1899                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1900                 else
1901                         /* SRAM, Instruction RAM and GP RAM parity */
1902                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1903                 RD_REG_WORD(&reg->hccr);
1904                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1905         }
1906
1907         if (IS_QLA27XX(ha))
1908                 ha->flags.fac_supported = 1;
1909         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1910                 uint32_t size;
1911
1912                 rval = qla81xx_fac_get_sector_size(vha, &size);
1913                 if (rval == QLA_SUCCESS) {
1914                         ha->flags.fac_supported = 1;
1915                         ha->fdt_block_size = size << 2;
1916                 } else {
1917                         ql_log(ql_log_warn, vha, 0x00ce,
1918                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1919                             ha->fw_major_version, ha->fw_minor_version,
1920                             ha->fw_subminor_version);
1921
1922                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
1923                                 ha->flags.fac_supported = 0;
1924                                 rval = QLA_SUCCESS;
1925                         }
1926                 }
1927         }
1928 failed:
1929         if (rval) {
1930                 ql_log(ql_log_fatal, vha, 0x00cf,
1931                     "Setup chip ****FAILED****.\n");
1932         }
1933
1934         return (rval);
1935 }
1936
1937 /**
1938  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1939  * @ha: HA context
1940  *
1941  * Beginning of request ring has initialization control block already built
1942  * by nvram config routine.
1943  *
1944  * Returns 0 on success.
1945  */
1946 void
1947 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1948 {
1949         uint16_t cnt;
1950         response_t *pkt;
1951
1952         rsp->ring_ptr = rsp->ring;
1953         rsp->ring_index    = 0;
1954         rsp->status_srb = NULL;
1955         pkt = rsp->ring_ptr;
1956         for (cnt = 0; cnt < rsp->length; cnt++) {
1957                 pkt->signature = RESPONSE_PROCESSED;
1958                 pkt++;
1959         }
1960 }
1961
1962 /**
1963  * qla2x00_update_fw_options() - Read and process firmware options.
1964  * @ha: HA context
1965  *
1966  * Returns 0 on success.
1967  */
1968 void
1969 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1970 {
1971         uint16_t swing, emphasis, tx_sens, rx_sens;
1972         struct qla_hw_data *ha = vha->hw;
1973
1974         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1975         qla2x00_get_fw_options(vha, ha->fw_options);
1976
1977         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1978                 return;
1979
1980         /* Serial Link options. */
1981         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1982             "Serial link options.\n");
1983         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1984             (uint8_t *)&ha->fw_seriallink_options,
1985             sizeof(ha->fw_seriallink_options));
1986
1987         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1988         if (ha->fw_seriallink_options[3] & BIT_2) {
1989                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1990
1991                 /*  1G settings */
1992                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1993                 emphasis = (ha->fw_seriallink_options[2] &
1994                     (BIT_4 | BIT_3)) >> 3;
1995                 tx_sens = ha->fw_seriallink_options[0] &
1996                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1997                 rx_sens = (ha->fw_seriallink_options[0] &
1998                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1999                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
2000                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2001                         if (rx_sens == 0x0)
2002                                 rx_sens = 0x3;
2003                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
2004                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2005                         ha->fw_options[10] |= BIT_5 |
2006                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2007                             (tx_sens & (BIT_1 | BIT_0));
2008
2009                 /*  2G settings */
2010                 swing = (ha->fw_seriallink_options[2] &
2011                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
2012                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
2013                 tx_sens = ha->fw_seriallink_options[1] &
2014                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2015                 rx_sens = (ha->fw_seriallink_options[1] &
2016                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
2017                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
2018                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2019                         if (rx_sens == 0x0)
2020                                 rx_sens = 0x3;
2021                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
2022                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2023                         ha->fw_options[11] |= BIT_5 |
2024                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2025                             (tx_sens & (BIT_1 | BIT_0));
2026         }
2027
2028         /* FCP2 options. */
2029         /*  Return command IOCBs without waiting for an ABTS to complete. */
2030         ha->fw_options[3] |= BIT_13;
2031
2032         /* LED scheme. */
2033         if (ha->flags.enable_led_scheme)
2034                 ha->fw_options[2] |= BIT_12;
2035
2036         /* Detect ISP6312. */
2037         if (IS_QLA6312(ha))
2038                 ha->fw_options[2] |= BIT_13;
2039
2040         /* Update firmware options. */
2041         qla2x00_set_fw_options(vha, ha->fw_options);
2042 }
2043
2044 void
2045 qla24xx_update_fw_options(scsi_qla_host_t *vha)
2046 {
2047         int rval;
2048         struct qla_hw_data *ha = vha->hw;
2049
2050         if (IS_P3P_TYPE(ha))
2051                 return;
2052
2053         /* Update Serial Link options. */
2054         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
2055                 return;
2056
2057         rval = qla2x00_set_serdes_params(vha,
2058             le16_to_cpu(ha->fw_seriallink_options24[1]),
2059             le16_to_cpu(ha->fw_seriallink_options24[2]),
2060             le16_to_cpu(ha->fw_seriallink_options24[3]));
2061         if (rval != QLA_SUCCESS) {
2062                 ql_log(ql_log_warn, vha, 0x0104,
2063                     "Unable to update Serial Link options (%x).\n", rval);
2064         }
2065 }
2066
2067 void
2068 qla2x00_config_rings(struct scsi_qla_host *vha)
2069 {
2070         struct qla_hw_data *ha = vha->hw;
2071         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2072         struct req_que *req = ha->req_q_map[0];
2073         struct rsp_que *rsp = ha->rsp_q_map[0];
2074
2075         /* Setup ring parameters in initialization control block. */
2076         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
2077         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
2078         ha->init_cb->request_q_length = cpu_to_le16(req->length);
2079         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
2080         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2081         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2082         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2083         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2084
2085         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
2086         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
2087         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
2088         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
2089         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
2090 }
2091
2092 void
2093 qla24xx_config_rings(struct scsi_qla_host *vha)
2094 {
2095         struct qla_hw_data *ha = vha->hw;
2096         device_reg_t *reg = ISP_QUE_REG(ha, 0);
2097         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
2098         struct qla_msix_entry *msix;
2099         struct init_cb_24xx *icb;
2100         uint16_t rid = 0;
2101         struct req_que *req = ha->req_q_map[0];
2102         struct rsp_que *rsp = ha->rsp_q_map[0];
2103
2104         /* Setup ring parameters in initialization control block. */
2105         icb = (struct init_cb_24xx *)ha->init_cb;
2106         icb->request_q_outpointer = cpu_to_le16(0);
2107         icb->response_q_inpointer = cpu_to_le16(0);
2108         icb->request_q_length = cpu_to_le16(req->length);
2109         icb->response_q_length = cpu_to_le16(rsp->length);
2110         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2111         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2112         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2113         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2114
2115         /* Setup ATIO queue dma pointers for target mode */
2116         icb->atio_q_inpointer = cpu_to_le16(0);
2117         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
2118         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
2119         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
2120
2121         if (IS_SHADOW_REG_CAPABLE(ha))
2122                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
2123
2124         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2125                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
2126                 icb->rid = cpu_to_le16(rid);
2127                 if (ha->flags.msix_enabled) {
2128                         msix = &ha->msix_entries[1];
2129                         ql_dbg(ql_dbg_init, vha, 0x00fd,
2130                             "Registering vector 0x%x for base que.\n",
2131                             msix->entry);
2132                         icb->msix = cpu_to_le16(msix->entry);
2133                 }
2134                 /* Use alternate PCI bus number */
2135                 if (MSB(rid))
2136                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
2137                 /* Use alternate PCI devfn */
2138                 if (LSB(rid))
2139                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
2140
2141                 /* Use Disable MSIX Handshake mode for capable adapters */
2142                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
2143                     (ha->flags.msix_enabled)) {
2144                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
2145                         ha->flags.disable_msix_handshake = 1;
2146                         ql_dbg(ql_dbg_init, vha, 0x00fe,
2147                             "MSIX Handshake Disable Mode turned on.\n");
2148                 } else {
2149                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
2150                 }
2151                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
2152
2153                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
2154                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
2155                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
2156                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
2157         } else {
2158                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
2159                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
2160                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
2161                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
2162         }
2163         qlt_24xx_config_rings(vha);
2164
2165         /* PCI posting */
2166         RD_REG_DWORD(&ioreg->hccr);
2167 }
2168
2169 /**
2170  * qla2x00_init_rings() - Initializes firmware.
2171  * @ha: HA context
2172  *
2173  * Beginning of request ring has initialization control block already built
2174  * by nvram config routine.
2175  *
2176  * Returns 0 on success.
2177  */
2178 int
2179 qla2x00_init_rings(scsi_qla_host_t *vha)
2180 {
2181         int     rval;
2182         unsigned long flags = 0;
2183         int cnt, que;
2184         struct qla_hw_data *ha = vha->hw;
2185         struct req_que *req;
2186         struct rsp_que *rsp;
2187         struct mid_init_cb_24xx *mid_init_cb =
2188             (struct mid_init_cb_24xx *) ha->init_cb;
2189
2190         spin_lock_irqsave(&ha->hardware_lock, flags);
2191
2192         /* Clear outstanding commands array. */
2193         for (que = 0; que < ha->max_req_queues; que++) {
2194                 req = ha->req_q_map[que];
2195                 if (!req)
2196                         continue;
2197                 req->out_ptr = (void *)(req->ring + req->length);
2198                 *req->out_ptr = 0;
2199                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2200                         req->outstanding_cmds[cnt] = NULL;
2201
2202                 req->current_outstanding_cmd = 1;
2203
2204                 /* Initialize firmware. */
2205                 req->ring_ptr  = req->ring;
2206                 req->ring_index    = 0;
2207                 req->cnt      = req->length;
2208         }
2209
2210         for (que = 0; que < ha->max_rsp_queues; que++) {
2211                 rsp = ha->rsp_q_map[que];
2212                 if (!rsp)
2213                         continue;
2214                 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
2215                 *rsp->in_ptr = 0;
2216                 /* Initialize response queue entries */
2217                 if (IS_QLAFX00(ha))
2218                         qlafx00_init_response_q_entries(rsp);
2219                 else
2220                         qla2x00_init_response_q_entries(rsp);
2221         }
2222
2223         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2224         ha->tgt.atio_ring_index = 0;
2225         /* Initialize ATIO queue entries */
2226         qlt_init_atio_q_entries(vha);
2227
2228         ha->isp_ops->config_rings(vha);
2229
2230         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2231
2232         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2233
2234         if (IS_QLAFX00(ha)) {
2235                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
2236                 goto next_check;
2237         }
2238
2239         /* Update any ISP specific firmware options before initialization. */
2240         ha->isp_ops->update_fw_options(vha);
2241
2242         if (ha->flags.npiv_supported) {
2243                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2244                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2245                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2246         }
2247
2248         if (IS_FWI2_CAPABLE(ha)) {
2249                 mid_init_cb->options = cpu_to_le16(BIT_1);
2250                 mid_init_cb->init_cb.execution_throttle =
2251                     cpu_to_le16(ha->fw_xcb_count);
2252                 /* D-Port Status */
2253                 if (IS_DPORT_CAPABLE(ha))
2254                         mid_init_cb->init_cb.firmware_options_1 |=
2255                             cpu_to_le16(BIT_7);
2256                 /* Enable FA-WWPN */
2257                 ha->flags.fawwpn_enabled =
2258                     (mid_init_cb->init_cb.firmware_options_1 & BIT_6) ? 1 : 0;
2259                 ql_dbg(ql_dbg_init, vha, 0x0141, "FA-WWPN Support: %s.\n",
2260                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
2261         }
2262
2263         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2264 next_check:
2265         if (rval) {
2266                 ql_log(ql_log_fatal, vha, 0x00d2,
2267                     "Init Firmware **** FAILED ****.\n");
2268         } else {
2269                 ql_dbg(ql_dbg_init, vha, 0x00d3,
2270                     "Init Firmware -- success.\n");
2271         }
2272
2273         return (rval);
2274 }
2275
2276 /**
2277  * qla2x00_fw_ready() - Waits for firmware ready.
2278  * @ha: HA context
2279  *
2280  * Returns 0 on success.
2281  */
2282 static int
2283 qla2x00_fw_ready(scsi_qla_host_t *vha)
2284 {
2285         int             rval;
2286         unsigned long   wtime, mtime, cs84xx_time;
2287         uint16_t        min_wait;       /* Minimum wait time if loop is down */
2288         uint16_t        wait_time;      /* Wait time if loop is coming ready */
2289         uint16_t        state[6];
2290         struct qla_hw_data *ha = vha->hw;
2291
2292         if (IS_QLAFX00(vha->hw))
2293                 return qlafx00_fw_ready(vha);
2294
2295         rval = QLA_SUCCESS;
2296
2297         /* Time to wait for loop down */
2298         if (IS_P3P_TYPE(ha))
2299                 min_wait = 30;
2300         else
2301                 min_wait = 20;
2302
2303         /*
2304          * Firmware should take at most one RATOV to login, plus 5 seconds for
2305          * our own processing.
2306          */
2307         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2308                 wait_time = min_wait;
2309         }
2310
2311         /* Min wait time if loop down */
2312         mtime = jiffies + (min_wait * HZ);
2313
2314         /* wait time before firmware ready */
2315         wtime = jiffies + (wait_time * HZ);
2316
2317         /* Wait for ISP to finish LIP */
2318         if (!vha->flags.init_done)
2319                 ql_log(ql_log_info, vha, 0x801e,
2320                     "Waiting for LIP to complete.\n");
2321
2322         do {
2323                 memset(state, -1, sizeof(state));
2324                 rval = qla2x00_get_firmware_state(vha, state);
2325                 if (rval == QLA_SUCCESS) {
2326                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
2327                                 vha->device_flags &= ~DFLG_NO_CABLE;
2328                         }
2329                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2330                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
2331                                     "fw_state=%x 84xx=%x.\n", state[0],
2332                                     state[2]);
2333                                 if ((state[2] & FSTATE_LOGGED_IN) &&
2334                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2335                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
2336                                             "Sending verify iocb.\n");
2337
2338                                         cs84xx_time = jiffies;
2339                                         rval = qla84xx_init_chip(vha);
2340                                         if (rval != QLA_SUCCESS) {
2341                                                 ql_log(ql_log_warn,
2342                                                     vha, 0x8007,
2343                                                     "Init chip failed.\n");
2344                                                 break;
2345                                         }
2346
2347                                         /* Add time taken to initialize. */
2348                                         cs84xx_time = jiffies - cs84xx_time;
2349                                         wtime += cs84xx_time;
2350                                         mtime += cs84xx_time;
2351                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
2352                                             "Increasing wait time by %ld. "
2353                                             "New time %ld.\n", cs84xx_time,
2354                                             wtime);
2355                                 }
2356                         } else if (state[0] == FSTATE_READY) {
2357                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2358                                     "F/W Ready - OK.\n");
2359
2360                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2361                                     &ha->login_timeout, &ha->r_a_tov);
2362
2363                                 rval = QLA_SUCCESS;
2364                                 break;
2365                         }
2366
2367                         rval = QLA_FUNCTION_FAILED;
2368
2369                         if (atomic_read(&vha->loop_down_timer) &&
2370                             state[0] != FSTATE_READY) {
2371                                 /* Loop down. Timeout on min_wait for states
2372                                  * other than Wait for Login.
2373                                  */
2374                                 if (time_after_eq(jiffies, mtime)) {
2375                                         ql_log(ql_log_info, vha, 0x8038,
2376                                             "Cable is unplugged...\n");
2377
2378                                         vha->device_flags |= DFLG_NO_CABLE;
2379                                         break;
2380                                 }
2381                         }
2382                 } else {
2383                         /* Mailbox cmd failed. Timeout on min_wait. */
2384                         if (time_after_eq(jiffies, mtime) ||
2385                                 ha->flags.isp82xx_fw_hung)
2386                                 break;
2387                 }
2388
2389                 if (time_after_eq(jiffies, wtime))
2390                         break;
2391
2392                 /* Delay for a while */
2393                 msleep(500);
2394         } while (1);
2395
2396         ql_dbg(ql_dbg_taskm, vha, 0x803a,
2397             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
2398             state[1], state[2], state[3], state[4], state[5], jiffies);
2399
2400         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2401                 ql_log(ql_log_warn, vha, 0x803b,
2402                     "Firmware ready **** FAILED ****.\n");
2403         }
2404
2405         return (rval);
2406 }
2407
2408 /*
2409 *  qla2x00_configure_hba
2410 *      Setup adapter context.
2411 *
2412 * Input:
2413 *      ha = adapter state pointer.
2414 *
2415 * Returns:
2416 *      0 = success
2417 *
2418 * Context:
2419 *      Kernel context.
2420 */
2421 static int
2422 qla2x00_configure_hba(scsi_qla_host_t *vha)
2423 {
2424         int       rval;
2425         uint16_t      loop_id;
2426         uint16_t      topo;
2427         uint16_t      sw_cap;
2428         uint8_t       al_pa;
2429         uint8_t       area;
2430         uint8_t       domain;
2431         char            connect_type[22];
2432         struct qla_hw_data *ha = vha->hw;
2433         unsigned long flags;
2434         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2435
2436         /* Get host addresses. */
2437         rval = qla2x00_get_adapter_id(vha,
2438             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2439         if (rval != QLA_SUCCESS) {
2440                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2441                     IS_CNA_CAPABLE(ha) ||
2442                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2443                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2444                             "Loop is in a transition state.\n");
2445                 } else {
2446                         ql_log(ql_log_warn, vha, 0x2009,
2447                             "Unable to get host loop ID.\n");
2448                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2449                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2450                                 ql_log(ql_log_warn, vha, 0x1151,
2451                                     "Doing link init.\n");
2452                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2453                                         return rval;
2454                         }
2455                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2456                 }
2457                 return (rval);
2458         }
2459
2460         if (topo == 4) {
2461                 ql_log(ql_log_info, vha, 0x200a,
2462                     "Cannot get topology - retrying.\n");
2463                 return (QLA_FUNCTION_FAILED);
2464         }
2465
2466         vha->loop_id = loop_id;
2467
2468         /* initialize */
2469         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2470         ha->operating_mode = LOOP;
2471         ha->switch_cap = 0;
2472
2473         switch (topo) {
2474         case 0:
2475                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2476                 ha->current_topology = ISP_CFG_NL;
2477                 strcpy(connect_type, "(Loop)");
2478                 break;
2479
2480         case 1:
2481                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2482                 ha->switch_cap = sw_cap;
2483                 ha->current_topology = ISP_CFG_FL;
2484                 strcpy(connect_type, "(FL_Port)");
2485                 break;
2486
2487         case 2:
2488                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2489                 ha->operating_mode = P2P;
2490                 ha->current_topology = ISP_CFG_N;
2491                 strcpy(connect_type, "(N_Port-to-N_Port)");
2492                 break;
2493
2494         case 3:
2495                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2496                 ha->switch_cap = sw_cap;
2497                 ha->operating_mode = P2P;
2498                 ha->current_topology = ISP_CFG_F;
2499                 strcpy(connect_type, "(F_Port)");
2500                 break;
2501
2502         default:
2503                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2504                     "HBA in unknown topology %x, using NL.\n", topo);
2505                 ha->current_topology = ISP_CFG_NL;
2506                 strcpy(connect_type, "(Loop)");
2507                 break;
2508         }
2509
2510         /* Save Host port and loop ID. */
2511         /* byte order - Big Endian */
2512         vha->d_id.b.domain = domain;
2513         vha->d_id.b.area = area;
2514         vha->d_id.b.al_pa = al_pa;
2515
2516         spin_lock_irqsave(&ha->vport_slock, flags);
2517         qlt_update_vp_map(vha, SET_AL_PA);
2518         spin_unlock_irqrestore(&ha->vport_slock, flags);
2519
2520         if (!vha->flags.init_done)
2521                 ql_log(ql_log_info, vha, 0x2010,
2522                     "Topology - %s, Host Loop address 0x%x.\n",
2523                     connect_type, vha->loop_id);
2524
2525         return(rval);
2526 }
2527
2528 inline void
2529 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2530         char *def)
2531 {
2532         char *st, *en;
2533         uint16_t index;
2534         struct qla_hw_data *ha = vha->hw;
2535         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2536             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2537
2538         if (memcmp(model, BINZERO, len) != 0) {
2539                 strncpy(ha->model_number, model, len);
2540                 st = en = ha->model_number;
2541                 en += len - 1;
2542                 while (en > st) {
2543                         if (*en != 0x20 && *en != 0x00)
2544                                 break;
2545                         *en-- = '\0';
2546                 }
2547
2548                 index = (ha->pdev->subsystem_device & 0xff);
2549                 if (use_tbl &&
2550                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2551                     index < QLA_MODEL_NAMES)
2552                         strncpy(ha->model_desc,
2553                             qla2x00_model_name[index * 2 + 1],
2554                             sizeof(ha->model_desc) - 1);
2555         } else {
2556                 index = (ha->pdev->subsystem_device & 0xff);
2557                 if (use_tbl &&
2558                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2559                     index < QLA_MODEL_NAMES) {
2560                         strcpy(ha->model_number,
2561                             qla2x00_model_name[index * 2]);
2562                         strncpy(ha->model_desc,
2563                             qla2x00_model_name[index * 2 + 1],
2564                             sizeof(ha->model_desc) - 1);
2565                 } else {
2566                         strcpy(ha->model_number, def);
2567                 }
2568         }
2569         if (IS_FWI2_CAPABLE(ha))
2570                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2571                     sizeof(ha->model_desc));
2572 }
2573
2574 /* On sparc systems, obtain port and node WWN from firmware
2575  * properties.
2576  */
2577 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2578 {
2579 #ifdef CONFIG_SPARC
2580         struct qla_hw_data *ha = vha->hw;
2581         struct pci_dev *pdev = ha->pdev;
2582         struct device_node *dp = pci_device_to_OF_node(pdev);
2583         const u8 *val;
2584         int len;
2585
2586         val = of_get_property(dp, "port-wwn", &len);
2587         if (val && len >= WWN_SIZE)
2588                 memcpy(nv->port_name, val, WWN_SIZE);
2589
2590         val = of_get_property(dp, "node-wwn", &len);
2591         if (val && len >= WWN_SIZE)
2592                 memcpy(nv->node_name, val, WWN_SIZE);
2593 #endif
2594 }
2595
2596 /*
2597 * NVRAM configuration for ISP 2xxx
2598 *
2599 * Input:
2600 *      ha                = adapter block pointer.
2601 *
2602 * Output:
2603 *      initialization control block in response_ring
2604 *      host adapters parameters in host adapter block
2605 *
2606 * Returns:
2607 *      0 = success.
2608 */
2609 int
2610 qla2x00_nvram_config(scsi_qla_host_t *vha)
2611 {
2612         int             rval;
2613         uint8_t         chksum = 0;
2614         uint16_t        cnt;
2615         uint8_t         *dptr1, *dptr2;
2616         struct qla_hw_data *ha = vha->hw;
2617         init_cb_t       *icb = ha->init_cb;
2618         nvram_t         *nv = ha->nvram;
2619         uint8_t         *ptr = ha->nvram;
2620         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2621
2622         rval = QLA_SUCCESS;
2623
2624         /* Determine NVRAM starting address. */
2625         ha->nvram_size = sizeof(nvram_t);
2626         ha->nvram_base = 0;
2627         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2628                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2629                         ha->nvram_base = 0x80;
2630
2631         /* Get NVRAM data and calculate checksum. */
2632         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2633         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2634                 chksum += *ptr++;
2635
2636         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2637             "Contents of NVRAM.\n");
2638         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2639             (uint8_t *)nv, ha->nvram_size);
2640
2641         /* Bad NVRAM data, set defaults parameters. */
2642         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2643             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2644                 /* Reset NVRAM data. */
2645                 ql_log(ql_log_warn, vha, 0x0064,
2646                     "Inconsistent NVRAM "
2647                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2648                     chksum, nv->id[0], nv->nvram_version);
2649                 ql_log(ql_log_warn, vha, 0x0065,
2650                     "Falling back to "
2651                     "functioning (yet invalid -- WWPN) defaults.\n");
2652
2653                 /*
2654                  * Set default initialization control block.
2655                  */
2656                 memset(nv, 0, ha->nvram_size);
2657                 nv->parameter_block_version = ICB_VERSION;
2658
2659                 if (IS_QLA23XX(ha)) {
2660                         nv->firmware_options[0] = BIT_2 | BIT_1;
2661                         nv->firmware_options[1] = BIT_7 | BIT_5;
2662                         nv->add_firmware_options[0] = BIT_5;
2663                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2664                         nv->frame_payload_size = 2048;
2665                         nv->special_options[1] = BIT_7;
2666                 } else if (IS_QLA2200(ha)) {
2667                         nv->firmware_options[0] = BIT_2 | BIT_1;
2668                         nv->firmware_options[1] = BIT_7 | BIT_5;
2669                         nv->add_firmware_options[0] = BIT_5;
2670                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2671                         nv->frame_payload_size = 1024;
2672                 } else if (IS_QLA2100(ha)) {
2673                         nv->firmware_options[0] = BIT_3 | BIT_1;
2674                         nv->firmware_options[1] = BIT_5;
2675                         nv->frame_payload_size = 1024;
2676                 }
2677
2678                 nv->max_iocb_allocation = cpu_to_le16(256);
2679                 nv->execution_throttle = cpu_to_le16(16);
2680                 nv->retry_count = 8;
2681                 nv->retry_delay = 1;
2682
2683                 nv->port_name[0] = 33;
2684                 nv->port_name[3] = 224;
2685                 nv->port_name[4] = 139;
2686
2687                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2688
2689                 nv->login_timeout = 4;
2690
2691                 /*
2692                  * Set default host adapter parameters
2693                  */
2694                 nv->host_p[1] = BIT_2;
2695                 nv->reset_delay = 5;
2696                 nv->port_down_retry_count = 8;
2697                 nv->max_luns_per_target = cpu_to_le16(8);
2698                 nv->link_down_timeout = 60;
2699
2700                 rval = 1;
2701         }
2702
2703 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2704         /*
2705          * The SN2 does not provide BIOS emulation which means you can't change
2706          * potentially bogus BIOS settings. Force the use of default settings
2707          * for link rate and frame size.  Hope that the rest of the settings
2708          * are valid.
2709          */
2710         if (ia64_platform_is("sn2")) {
2711                 nv->frame_payload_size = 2048;
2712                 if (IS_QLA23XX(ha))
2713                         nv->special_options[1] = BIT_7;
2714         }
2715 #endif
2716
2717         /* Reset Initialization control block */
2718         memset(icb, 0, ha->init_cb_size);
2719
2720         /*
2721          * Setup driver NVRAM options.
2722          */
2723         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2724         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2725         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2726         nv->firmware_options[1] &= ~BIT_4;
2727
2728         if (IS_QLA23XX(ha)) {
2729                 nv->firmware_options[0] |= BIT_2;
2730                 nv->firmware_options[0] &= ~BIT_3;
2731                 nv->special_options[0] &= ~BIT_6;
2732                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2733
2734                 if (IS_QLA2300(ha)) {
2735                         if (ha->fb_rev == FPM_2310) {
2736                                 strcpy(ha->model_number, "QLA2310");
2737                         } else {
2738                                 strcpy(ha->model_number, "QLA2300");
2739                         }
2740                 } else {
2741                         qla2x00_set_model_info(vha, nv->model_number,
2742                             sizeof(nv->model_number), "QLA23xx");
2743                 }
2744         } else if (IS_QLA2200(ha)) {
2745                 nv->firmware_options[0] |= BIT_2;
2746                 /*
2747                  * 'Point-to-point preferred, else loop' is not a safe
2748                  * connection mode setting.
2749                  */
2750                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2751                     (BIT_5 | BIT_4)) {
2752                         /* Force 'loop preferred, else point-to-point'. */
2753                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2754                         nv->add_firmware_options[0] |= BIT_5;
2755                 }
2756                 strcpy(ha->model_number, "QLA22xx");
2757         } else /*if (IS_QLA2100(ha))*/ {
2758                 strcpy(ha->model_number, "QLA2100");
2759         }
2760
2761         /*
2762          * Copy over NVRAM RISC parameter block to initialization control block.
2763          */
2764         dptr1 = (uint8_t *)icb;
2765         dptr2 = (uint8_t *)&nv->parameter_block_version;
2766         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2767         while (cnt--)
2768                 *dptr1++ = *dptr2++;
2769
2770         /* Copy 2nd half. */
2771         dptr1 = (uint8_t *)icb->add_firmware_options;
2772         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2773         while (cnt--)
2774                 *dptr1++ = *dptr2++;
2775
2776         /* Use alternate WWN? */
2777         if (nv->host_p[1] & BIT_7) {
2778                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2779                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2780         }
2781
2782         /* Prepare nodename */
2783         if ((icb->firmware_options[1] & BIT_6) == 0) {
2784                 /*
2785                  * Firmware will apply the following mask if the nodename was
2786                  * not provided.
2787                  */
2788                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2789                 icb->node_name[0] &= 0xF0;
2790         }
2791
2792         /*
2793          * Set host adapter parameters.
2794          */
2795
2796         /*
2797          * BIT_7 in the host-parameters section allows for modification to
2798          * internal driver logging.
2799          */
2800         if (nv->host_p[0] & BIT_7)
2801                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2802         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2803         /* Always load RISC code on non ISP2[12]00 chips. */
2804         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2805                 ha->flags.disable_risc_code_load = 0;
2806         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2807         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2808         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2809         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2810         ha->flags.disable_serdes = 0;
2811
2812         ha->operating_mode =
2813             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2814
2815         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2816             sizeof(ha->fw_seriallink_options));
2817
2818         /* save HBA serial number */
2819         ha->serial0 = icb->port_name[5];
2820         ha->serial1 = icb->port_name[6];
2821         ha->serial2 = icb->port_name[7];
2822         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2823         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2824
2825         icb->execution_throttle = cpu_to_le16(0xFFFF);
2826
2827         ha->retry_count = nv->retry_count;
2828
2829         /* Set minimum login_timeout to 4 seconds. */
2830         if (nv->login_timeout != ql2xlogintimeout)
2831                 nv->login_timeout = ql2xlogintimeout;
2832         if (nv->login_timeout < 4)
2833                 nv->login_timeout = 4;
2834         ha->login_timeout = nv->login_timeout;
2835         icb->login_timeout = nv->login_timeout;
2836
2837         /* Set minimum RATOV to 100 tenths of a second. */
2838         ha->r_a_tov = 100;
2839
2840         ha->loop_reset_delay = nv->reset_delay;
2841
2842         /* Link Down Timeout = 0:
2843          *
2844          *      When Port Down timer expires we will start returning
2845          *      I/O's to OS with "DID_NO_CONNECT".
2846          *
2847          * Link Down Timeout != 0:
2848          *
2849          *       The driver waits for the link to come up after link down
2850          *       before returning I/Os to OS with "DID_NO_CONNECT".
2851          */
2852         if (nv->link_down_timeout == 0) {
2853                 ha->loop_down_abort_time =
2854                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2855         } else {
2856                 ha->link_down_timeout =  nv->link_down_timeout;
2857                 ha->loop_down_abort_time =
2858                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2859         }
2860
2861         /*
2862          * Need enough time to try and get the port back.
2863          */
2864         ha->port_down_retry_count = nv->port_down_retry_count;
2865         if (qlport_down_retry)
2866                 ha->port_down_retry_count = qlport_down_retry;
2867         /* Set login_retry_count */
2868         ha->login_retry_count  = nv->retry_count;
2869         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2870             ha->port_down_retry_count > 3)
2871                 ha->login_retry_count = ha->port_down_retry_count;
2872         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2873                 ha->login_retry_count = ha->port_down_retry_count;
2874         if (ql2xloginretrycount)
2875                 ha->login_retry_count = ql2xloginretrycount;
2876
2877         icb->lun_enables = cpu_to_le16(0);
2878         icb->command_resource_count = 0;
2879         icb->immediate_notify_resource_count = 0;
2880         icb->timeout = cpu_to_le16(0);
2881
2882         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2883                 /* Enable RIO */
2884                 icb->firmware_options[0] &= ~BIT_3;
2885                 icb->add_firmware_options[0] &=
2886                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2887                 icb->add_firmware_options[0] |= BIT_2;
2888                 icb->response_accumulation_timer = 3;
2889                 icb->interrupt_delay_timer = 5;
2890
2891                 vha->flags.process_response_queue = 1;
2892         } else {
2893                 /* Enable ZIO. */
2894                 if (!vha->flags.init_done) {
2895                         ha->zio_mode = icb->add_firmware_options[0] &
2896                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2897                         ha->zio_timer = icb->interrupt_delay_timer ?
2898                             icb->interrupt_delay_timer: 2;
2899                 }
2900                 icb->add_firmware_options[0] &=
2901                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2902                 vha->flags.process_response_queue = 0;
2903                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2904                         ha->zio_mode = QLA_ZIO_MODE_6;
2905
2906                         ql_log(ql_log_info, vha, 0x0068,
2907                             "ZIO mode %d enabled; timer delay (%d us).\n",
2908                             ha->zio_mode, ha->zio_timer * 100);
2909
2910                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2911                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2912                         vha->flags.process_response_queue = 1;
2913                 }
2914         }
2915
2916         if (rval) {
2917                 ql_log(ql_log_warn, vha, 0x0069,
2918                     "NVRAM configuration failed.\n");
2919         }
2920         return (rval);
2921 }
2922
2923 static void
2924 qla2x00_rport_del(void *data)
2925 {
2926         fc_port_t *fcport = data;
2927         struct fc_rport *rport;
2928         unsigned long flags;
2929
2930         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2931         rport = fcport->drport ? fcport->drport: fcport->rport;
2932         fcport->drport = NULL;
2933         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2934         if (rport)
2935                 fc_remote_port_delete(rport);
2936 }
2937
2938 /**
2939  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2940  * @ha: HA context
2941  * @flags: allocation flags
2942  *
2943  * Returns a pointer to the allocated fcport, or NULL, if none available.
2944  */
2945 fc_port_t *
2946 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2947 {
2948         fc_port_t *fcport;
2949
2950         fcport = kzalloc(sizeof(fc_port_t), flags);
2951         if (!fcport)
2952                 return NULL;
2953
2954         /* Setup fcport template structure. */
2955         fcport->vha = vha;
2956         fcport->port_type = FCT_UNKNOWN;
2957         fcport->loop_id = FC_NO_LOOP_ID;
2958         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2959         fcport->supported_classes = FC_COS_UNSPECIFIED;
2960
2961         return fcport;
2962 }
2963
2964 /*
2965  * qla2x00_configure_loop
2966  *      Updates Fibre Channel Device Database with what is actually on loop.
2967  *
2968  * Input:
2969  *      ha                = adapter block pointer.
2970  *
2971  * Returns:
2972  *      0 = success.
2973  *      1 = error.
2974  *      2 = database was full and device was not configured.
2975  */
2976 static int
2977 qla2x00_configure_loop(scsi_qla_host_t *vha)
2978 {
2979         int  rval;
2980         unsigned long flags, save_flags;
2981         struct qla_hw_data *ha = vha->hw;
2982         rval = QLA_SUCCESS;
2983
2984         /* Get Initiator ID */
2985         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2986                 rval = qla2x00_configure_hba(vha);
2987                 if (rval != QLA_SUCCESS) {
2988                         ql_dbg(ql_dbg_disc, vha, 0x2013,
2989                             "Unable to configure HBA.\n");
2990                         return (rval);
2991                 }
2992         }
2993
2994         save_flags = flags = vha->dpc_flags;
2995         ql_dbg(ql_dbg_disc, vha, 0x2014,
2996             "Configure loop -- dpc flags = 0x%lx.\n", flags);
2997
2998         /*
2999          * If we have both an RSCN and PORT UPDATE pending then handle them
3000          * both at the same time.
3001          */
3002         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3003         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
3004
3005         qla2x00_get_data_rate(vha);
3006
3007         /* Determine what we need to do */
3008         if (ha->current_topology == ISP_CFG_FL &&
3009             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3010
3011                 set_bit(RSCN_UPDATE, &flags);
3012
3013         } else if (ha->current_topology == ISP_CFG_F &&
3014             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3015
3016                 set_bit(RSCN_UPDATE, &flags);
3017                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
3018
3019         } else if (ha->current_topology == ISP_CFG_N) {
3020                 clear_bit(RSCN_UPDATE, &flags);
3021
3022         } else if (!vha->flags.online ||
3023             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
3024
3025                 set_bit(RSCN_UPDATE, &flags);
3026                 set_bit(LOCAL_LOOP_UPDATE, &flags);
3027         }
3028
3029         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
3030                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3031                         ql_dbg(ql_dbg_disc, vha, 0x2015,
3032                             "Loop resync needed, failing.\n");
3033                         rval = QLA_FUNCTION_FAILED;
3034                 } else
3035                         rval = qla2x00_configure_local_loop(vha);
3036         }
3037
3038         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
3039                 if (LOOP_TRANSITION(vha)) {
3040                         ql_dbg(ql_dbg_disc, vha, 0x201e,
3041                             "Needs RSCN update and loop transition.\n");
3042                         rval = QLA_FUNCTION_FAILED;
3043                 }
3044                 else
3045                         rval = qla2x00_configure_fabric(vha);
3046         }
3047
3048         if (rval == QLA_SUCCESS) {
3049                 if (atomic_read(&vha->loop_down_timer) ||
3050                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3051                         rval = QLA_FUNCTION_FAILED;
3052                 } else {
3053                         atomic_set(&vha->loop_state, LOOP_READY);
3054                         ql_dbg(ql_dbg_disc, vha, 0x2069,
3055                             "LOOP READY.\n");
3056                 }
3057         }
3058
3059         if (rval) {
3060                 ql_dbg(ql_dbg_disc, vha, 0x206a,
3061                     "%s *** FAILED ***.\n", __func__);
3062         } else {
3063                 ql_dbg(ql_dbg_disc, vha, 0x206b,
3064                     "%s: exiting normally.\n", __func__);
3065         }
3066
3067         /* Restore state if a resync event occurred during processing */
3068         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3069                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
3070                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3071                 if (test_bit(RSCN_UPDATE, &save_flags)) {
3072                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
3073                 }
3074         }
3075
3076         return (rval);
3077 }
3078
3079
3080
3081 /*
3082  * qla2x00_configure_local_loop
3083  *      Updates Fibre Channel Device Database with local loop devices.
3084  *
3085  * Input:
3086  *      ha = adapter block pointer.
3087  *
3088  * Returns:
3089  *      0 = success.
3090  */
3091 static int
3092 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
3093 {
3094         int             rval, rval2;
3095         int             found_devs;
3096         int             found;
3097         fc_port_t       *fcport, *new_fcport;
3098
3099         uint16_t        index;
3100         uint16_t        entries;
3101         char            *id_iter;
3102         uint16_t        loop_id;
3103         uint8_t         domain, area, al_pa;
3104         struct qla_hw_data *ha = vha->hw;
3105
3106         found_devs = 0;
3107         new_fcport = NULL;
3108         entries = MAX_FIBRE_DEVICES_LOOP;
3109
3110         /* Get list of logged in devices. */
3111         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
3112         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
3113             &entries);
3114         if (rval != QLA_SUCCESS)
3115                 goto cleanup_allocation;
3116
3117         ql_dbg(ql_dbg_disc, vha, 0x2017,
3118             "Entries in ID list (%d).\n", entries);
3119         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
3120             (uint8_t *)ha->gid_list,
3121             entries * sizeof(struct gid_list_info));
3122
3123         /* Allocate temporary fcport for any new fcports discovered. */
3124         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3125         if (new_fcport == NULL) {
3126                 ql_log(ql_log_warn, vha, 0x2018,
3127                     "Memory allocation failed for fcport.\n");
3128                 rval = QLA_MEMORY_ALLOC_FAILED;
3129                 goto cleanup_allocation;
3130         }
3131         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3132
3133         /*
3134          * Mark local devices that were present with FCF_DEVICE_LOST for now.
3135          */
3136         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3137                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
3138                     fcport->port_type != FCT_BROADCAST &&
3139                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3140
3141                         ql_dbg(ql_dbg_disc, vha, 0x2019,
3142                             "Marking port lost loop_id=0x%04x.\n",
3143                             fcport->loop_id);
3144
3145                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3146                 }
3147         }
3148
3149         /* Add devices to port list. */
3150         id_iter = (char *)ha->gid_list;
3151         for (index = 0; index < entries; index++) {
3152                 domain = ((struct gid_list_info *)id_iter)->domain;
3153                 area = ((struct gid_list_info *)id_iter)->area;
3154                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
3155                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
3156                         loop_id = (uint16_t)
3157                             ((struct gid_list_info *)id_iter)->loop_id_2100;
3158                 else
3159                         loop_id = le16_to_cpu(
3160                             ((struct gid_list_info *)id_iter)->loop_id);
3161                 id_iter += ha->gid_list_info_size;
3162
3163                 /* Bypass reserved domain fields. */
3164                 if ((domain & 0xf0) == 0xf0)
3165                         continue;
3166
3167                 /* Bypass if not same domain and area of adapter. */
3168                 if (area && domain &&
3169                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
3170                         continue;
3171
3172                 /* Bypass invalid local loop ID. */
3173                 if (loop_id > LAST_LOCAL_LOOP_ID)
3174                         continue;
3175
3176                 memset(new_fcport, 0, sizeof(fc_port_t));
3177
3178                 /* Fill in member data. */
3179                 new_fcport->d_id.b.domain = domain;
3180                 new_fcport->d_id.b.area = area;
3181                 new_fcport->d_id.b.al_pa = al_pa;
3182                 new_fcport->loop_id = loop_id;
3183                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
3184                 if (rval2 != QLA_SUCCESS) {
3185                         ql_dbg(ql_dbg_disc, vha, 0x201a,
3186                             "Failed to retrieve fcport information "
3187                             "-- get_port_database=%x, loop_id=0x%04x.\n",
3188                             rval2, new_fcport->loop_id);
3189                         ql_dbg(ql_dbg_disc, vha, 0x201b,
3190                             "Scheduling resync.\n");
3191                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3192                         continue;
3193                 }
3194
3195                 /* Check for matching device in port list. */
3196                 found = 0;
3197                 fcport = NULL;
3198                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3199                         if (memcmp(new_fcport->port_name, fcport->port_name,
3200                             WWN_SIZE))
3201                                 continue;
3202
3203                         fcport->flags &= ~FCF_FABRIC_DEVICE;
3204                         fcport->loop_id = new_fcport->loop_id;
3205                         fcport->port_type = new_fcport->port_type;
3206                         fcport->d_id.b24 = new_fcport->d_id.b24;
3207                         memcpy(fcport->node_name, new_fcport->node_name,
3208                             WWN_SIZE);
3209
3210                         found++;
3211                         break;
3212                 }
3213
3214                 if (!found) {
3215                         /* New device, add to fcports list. */
3216                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
3217
3218                         /* Allocate a new replacement fcport. */
3219                         fcport = new_fcport;
3220                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3221                         if (new_fcport == NULL) {
3222                                 ql_log(ql_log_warn, vha, 0x201c,
3223                                     "Failed to allocate memory for fcport.\n");
3224                                 rval = QLA_MEMORY_ALLOC_FAILED;
3225                                 goto cleanup_allocation;
3226                         }
3227                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3228                 }
3229
3230                 /* Base iIDMA settings on HBA port speed. */
3231                 fcport->fp_speed = ha->link_data_rate;
3232
3233                 qla2x00_update_fcport(vha, fcport);
3234
3235                 found_devs++;
3236         }
3237
3238 cleanup_allocation:
3239         kfree(new_fcport);
3240
3241         if (rval != QLA_SUCCESS) {
3242                 ql_dbg(ql_dbg_disc, vha, 0x201d,
3243                     "Configure local loop error exit: rval=%x.\n", rval);
3244         }
3245
3246         return (rval);
3247 }
3248
3249 static void
3250 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3251 {
3252         int rval;
3253         uint16_t mb[MAILBOX_REGISTER_COUNT];
3254         struct qla_hw_data *ha = vha->hw;
3255
3256         if (!IS_IIDMA_CAPABLE(ha))
3257                 return;
3258
3259         if (atomic_read(&fcport->state) != FCS_ONLINE)
3260                 return;
3261
3262         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3263             fcport->fp_speed > ha->link_data_rate)
3264                 return;
3265
3266         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3267             mb);
3268         if (rval != QLA_SUCCESS) {
3269                 ql_dbg(ql_dbg_disc, vha, 0x2004,
3270                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
3271                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
3272         } else {
3273                 ql_dbg(ql_dbg_disc, vha, 0x2005,
3274                     "iIDMA adjusted to %s GB/s on %8phN.\n",
3275                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3276                     fcport->port_name);
3277         }
3278 }
3279
3280 static void
3281 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3282 {
3283         struct fc_rport_identifiers rport_ids;
3284         struct fc_rport *rport;
3285         unsigned long flags;
3286
3287         rport_ids.node_name = wwn_to_u64(fcport->node_name);
3288         rport_ids.port_name = wwn_to_u64(fcport->port_name);
3289         rport_ids.port_id = fcport->d_id.b.domain << 16 |
3290             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3291         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3292         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3293         if (!rport) {
3294                 ql_log(ql_log_warn, vha, 0x2006,
3295                     "Unable to allocate fc remote port.\n");
3296                 return;
3297         }
3298         /*
3299          * Create target mode FC NEXUS in qla_target.c if target mode is
3300          * enabled..
3301          */
3302
3303         qlt_fc_port_added(vha, fcport);
3304
3305         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3306         *((fc_port_t **)rport->dd_data) = fcport;
3307         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3308
3309         rport->supported_classes = fcport->supported_classes;
3310
3311         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3312         if (fcport->port_type == FCT_INITIATOR)
3313                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3314         if (fcport->port_type == FCT_TARGET)
3315                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3316         fc_remote_port_rolechg(rport, rport_ids.roles);
3317 }
3318
3319 /*
3320  * qla2x00_update_fcport
3321  *      Updates device on list.
3322  *
3323  * Input:
3324  *      ha = adapter block pointer.
3325  *      fcport = port structure pointer.
3326  *
3327  * Return:
3328  *      0  - Success
3329  *  BIT_0 - error
3330  *
3331  * Context:
3332  *      Kernel context.
3333  */
3334 void
3335 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3336 {
3337         fcport->vha = vha;
3338
3339         if (IS_QLAFX00(vha->hw)) {
3340                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3341                 goto reg_port;
3342         }
3343         fcport->login_retry = 0;
3344         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3345
3346         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3347         qla2x00_iidma_fcport(vha, fcport);
3348         qla24xx_update_fcport_fcp_prio(vha, fcport);
3349
3350 reg_port:
3351         if (qla_ini_mode_enabled(vha))
3352                 qla2x00_reg_remote_port(vha, fcport);
3353         else {
3354                 /*
3355                  * Create target mode FC NEXUS in qla_target.c
3356                  */
3357                 qlt_fc_port_added(vha, fcport);
3358         }
3359 }
3360
3361 /*
3362  * qla2x00_configure_fabric
3363  *      Setup SNS devices with loop ID's.
3364  *
3365  * Input:
3366  *      ha = adapter block pointer.
3367  *
3368  * Returns:
3369  *      0 = success.
3370  *      BIT_0 = error
3371  */
3372 static int
3373 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3374 {
3375         int     rval;
3376         fc_port_t       *fcport, *fcptemp;
3377         uint16_t        next_loopid;
3378         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3379         uint16_t        loop_id;
3380         LIST_HEAD(new_fcports);
3381         struct qla_hw_data *ha = vha->hw;
3382         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3383         int             discovery_gen;
3384
3385         /* If FL port exists, then SNS is present */
3386         if (IS_FWI2_CAPABLE(ha))
3387                 loop_id = NPH_F_PORT;
3388         else
3389                 loop_id = SNS_FL_PORT;
3390         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3391         if (rval != QLA_SUCCESS) {
3392                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3393                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3394
3395                 vha->device_flags &= ~SWITCH_FOUND;
3396                 return (QLA_SUCCESS);
3397         }
3398         vha->device_flags |= SWITCH_FOUND;
3399
3400         do {
3401                 /* FDMI support. */
3402                 if (ql2xfdmienable &&
3403                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3404                         qla2x00_fdmi_register(vha);
3405
3406                 /* Ensure we are logged into the SNS. */
3407                 if (IS_FWI2_CAPABLE(ha))
3408                         loop_id = NPH_SNS;
3409                 else
3410                         loop_id = SIMPLE_NAME_SERVER;
3411                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3412                     0xfc, mb, BIT_1|BIT_0);
3413                 if (rval != QLA_SUCCESS) {
3414                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3415                         return rval;
3416                 }
3417                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3418                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3419                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3420                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3421                             mb[2], mb[6], mb[7]);
3422                         return (QLA_SUCCESS);
3423                 }
3424
3425                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3426                         if (qla2x00_rft_id(vha)) {
3427                                 /* EMPTY */
3428                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3429                                     "Register FC-4 TYPE failed.\n");
3430                         }
3431                         if (qla2x00_rff_id(vha)) {
3432                                 /* EMPTY */
3433                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3434                                     "Register FC-4 Features failed.\n");
3435                         }
3436                         if (qla2x00_rnn_id(vha)) {
3437                                 /* EMPTY */
3438                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3439                                     "Register Node Name failed.\n");
3440                         } else if (qla2x00_rsnn_nn(vha)) {
3441                                 /* EMPTY */
3442                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3443                                     "Register Symobilic Node Name failed.\n");
3444                         }
3445                 }
3446
3447 #define QLA_FCPORT_SCAN         1
3448 #define QLA_FCPORT_FOUND        2
3449
3450                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3451                         fcport->scan_state = QLA_FCPORT_SCAN;
3452                 }
3453
3454                 /* Mark the time right before querying FW for connected ports.
3455                  * This process is long, asynchronous and by the time it's done,
3456                  * collected information might not be accurate anymore. E.g.
3457                  * disconnected port might have re-connected and a brand new
3458                  * session has been created. In this case session's generation
3459                  * will be newer than discovery_gen. */
3460                 qlt_do_generation_tick(vha, &discovery_gen);
3461
3462                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3463                 if (rval != QLA_SUCCESS)
3464                         break;
3465
3466                 /*
3467                  * Logout all previous fabric devices marked lost, except
3468                  * FCP2 devices.
3469                  */
3470                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3471                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3472                                 break;
3473
3474                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3475                                 continue;
3476
3477                         if (fcport->scan_state == QLA_FCPORT_SCAN) {
3478                                 if (qla_ini_mode_enabled(base_vha) &&
3479                                     atomic_read(&fcport->state) == FCS_ONLINE) {
3480                                         qla2x00_mark_device_lost(vha, fcport,
3481                                             ql2xplogiabsentdevice, 0);
3482                                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3483                                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3484                                             fcport->port_type != FCT_INITIATOR &&
3485                                             fcport->port_type != FCT_BROADCAST) {
3486                                                 ha->isp_ops->fabric_logout(vha,
3487                                                     fcport->loop_id,
3488                                                     fcport->d_id.b.domain,
3489                                                     fcport->d_id.b.area,
3490                                                     fcport->d_id.b.al_pa);
3491                                                 qla2x00_clear_loop_id(fcport);
3492                                         }
3493                                 } else if (!qla_ini_mode_enabled(base_vha)) {
3494                                         /*
3495                                          * In target mode, explicitly kill
3496                                          * sessions and log out of devices
3497                                          * that are gone, so that we don't
3498                                          * end up with an initiator using the
3499                                          * wrong ACL (if the fabric recycles
3500                                          * an FC address and we have a stale
3501                                          * session around) and so that we don't
3502                                          * report initiators that are no longer
3503                                          * on the fabric.
3504                                          */
3505                                         ql_dbg(ql_dbg_tgt_mgt, vha, 0xf077,
3506                                             "port gone, logging out/killing session: "
3507                                             "%8phC state 0x%x flags 0x%x fc4_type 0x%x "
3508                                             "scan_state %d\n",
3509                                             fcport->port_name,
3510                                             atomic_read(&fcport->state),
3511                                             fcport->flags, fcport->fc4_type,
3512                                             fcport->scan_state);
3513                                         qlt_fc_port_deleted(vha, fcport,
3514                                             discovery_gen);
3515                                 }
3516                         }
3517                 }
3518
3519                 /* Starting free loop ID. */
3520                 next_loopid = ha->min_external_loopid;
3521
3522                 /*
3523                  * Scan through our port list and login entries that need to be
3524                  * logged in.
3525                  */
3526                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3527                         if (atomic_read(&vha->loop_down_timer) ||
3528                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3529                                 break;
3530
3531                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3532                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3533                                 continue;
3534
3535                         /*
3536                          * If we're not an initiator, skip looking for devices
3537                          * and logging in.  There's no reason for us to do it,
3538                          * and it seems to actively cause problems in target
3539                          * mode if we race with the initiator logging into us
3540                          * (we might get the "port ID used" status back from
3541                          * our login command and log out the initiator, which
3542                          * seems to cause havoc).
3543                          */
3544                         if (!qla_ini_mode_enabled(base_vha)) {
3545                                 if (fcport->scan_state == QLA_FCPORT_FOUND) {
3546                                         ql_dbg(ql_dbg_tgt_mgt, vha, 0xf078,
3547                                             "port %8phC state 0x%x flags 0x%x fc4_type 0x%x "
3548                                             "scan_state %d (initiator mode disabled; skipping "
3549                                             "login)\n", fcport->port_name,
3550                                             atomic_read(&fcport->state),
3551                                             fcport->flags, fcport->fc4_type,
3552                                             fcport->scan_state);
3553                                 }
3554                                 continue;
3555                         }
3556
3557                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3558                                 fcport->loop_id = next_loopid;
3559                                 rval = qla2x00_find_new_loop_id(
3560                                     base_vha, fcport);
3561                                 if (rval != QLA_SUCCESS) {
3562                                         /* Ran out of IDs to use */
3563                                         break;
3564                                 }
3565                         }
3566                         /* Login and update database */
3567                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3568                 }
3569
3570                 /* Exit if out of loop IDs. */
3571                 if (rval != QLA_SUCCESS) {
3572                         break;
3573                 }
3574
3575                 /*
3576                  * Login and add the new devices to our port list.
3577                  */
3578                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3579                         if (atomic_read(&vha->loop_down_timer) ||
3580                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3581                                 break;
3582
3583                         /*
3584                          * If we're not an initiator, skip looking for devices
3585                          * and logging in.  There's no reason for us to do it,
3586                          * and it seems to actively cause problems in target
3587                          * mode if we race with the initiator logging into us
3588                          * (we might get the "port ID used" status back from
3589                          * our login command and log out the initiator, which
3590                          * seems to cause havoc).
3591                          */
3592                         if (qla_ini_mode_enabled(base_vha)) {
3593                                 /* Find a new loop ID to use. */
3594                                 fcport->loop_id = next_loopid;
3595                                 rval = qla2x00_find_new_loop_id(base_vha,
3596                                     fcport);
3597                                 if (rval != QLA_SUCCESS) {
3598                                         /* Ran out of IDs to use */
3599                                         break;
3600                                 }
3601
3602                                 /* Login and update database */
3603                                 qla2x00_fabric_dev_login(vha, fcport,
3604                                     &next_loopid);
3605                         } else {
3606                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf079,
3607                                         "new port %8phC state 0x%x flags 0x%x fc4_type "
3608                                         "0x%x scan_state %d (initiator mode disabled; "
3609                                         "skipping login)\n",
3610                                         fcport->port_name,
3611                                         atomic_read(&fcport->state),
3612                                         fcport->flags, fcport->fc4_type,
3613                                         fcport->scan_state);
3614                         }
3615
3616                         list_move_tail(&fcport->list, &vha->vp_fcports);
3617                 }
3618         } while (0);
3619
3620         /* Free all new device structures not processed. */
3621         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3622                 list_del(&fcport->list);
3623                 kfree(fcport);
3624         }
3625
3626         if (rval) {
3627                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3628                     "Configure fabric error exit rval=%d.\n", rval);
3629         }
3630
3631         return (rval);
3632 }
3633
3634 /*
3635  * qla2x00_find_all_fabric_devs
3636  *
3637  * Input:
3638  *      ha = adapter block pointer.
3639  *      dev = database device entry pointer.
3640  *
3641  * Returns:
3642  *      0 = success.
3643  *
3644  * Context:
3645  *      Kernel context.
3646  */
3647 static int
3648 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3649         struct list_head *new_fcports)
3650 {
3651         int             rval;
3652         uint16_t        loop_id;
3653         fc_port_t       *fcport, *new_fcport, *fcptemp;
3654         int             found;
3655
3656         sw_info_t       *swl;
3657         int             swl_idx;
3658         int             first_dev, last_dev;
3659         port_id_t       wrap = {}, nxt_d_id;
3660         struct qla_hw_data *ha = vha->hw;
3661         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3662
3663         rval = QLA_SUCCESS;
3664
3665         /* Try GID_PT to get device list, else GAN. */
3666         if (!ha->swl)
3667                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3668                     GFP_KERNEL);
3669         swl = ha->swl;
3670         if (!swl) {
3671                 /*EMPTY*/
3672                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3673                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3674         } else {
3675                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3676                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3677                         swl = NULL;
3678                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3679                         swl = NULL;
3680                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3681                         swl = NULL;
3682                 } else if (ql2xiidmaenable &&
3683                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3684                         qla2x00_gpsc(vha, swl);
3685                 }
3686
3687                 /* If other queries succeeded probe for FC-4 type */
3688                 if (swl)
3689                         qla2x00_gff_id(vha, swl);
3690         }
3691         swl_idx = 0;
3692
3693         /* Allocate temporary fcport for any new fcports discovered. */
3694         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3695         if (new_fcport == NULL) {
3696                 ql_log(ql_log_warn, vha, 0x205e,
3697                     "Failed to allocate memory for fcport.\n");
3698                 return (QLA_MEMORY_ALLOC_FAILED);
3699         }
3700         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3701         /* Set start port ID scan at adapter ID. */
3702         first_dev = 1;
3703         last_dev = 0;
3704
3705         /* Starting free loop ID. */
3706         loop_id = ha->min_external_loopid;
3707         for (; loop_id <= ha->max_loop_id; loop_id++) {
3708                 if (qla2x00_is_reserved_id(vha, loop_id))
3709                         continue;
3710
3711                 if (ha->current_topology == ISP_CFG_FL &&
3712                     (atomic_read(&vha->loop_down_timer) ||
3713                      LOOP_TRANSITION(vha))) {
3714                         atomic_set(&vha->loop_down_timer, 0);
3715                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3716                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3717                         break;
3718                 }
3719
3720                 if (swl != NULL) {
3721                         if (last_dev) {
3722                                 wrap.b24 = new_fcport->d_id.b24;
3723                         } else {
3724                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3725                                 memcpy(new_fcport->node_name,
3726                                     swl[swl_idx].node_name, WWN_SIZE);
3727                                 memcpy(new_fcport->port_name,
3728                                     swl[swl_idx].port_name, WWN_SIZE);
3729                                 memcpy(new_fcport->fabric_port_name,
3730                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3731                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3732                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3733
3734                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3735                                         last_dev = 1;
3736                                 }
3737                                 swl_idx++;
3738                         }
3739                 } else {
3740                         /* Send GA_NXT to the switch */
3741                         rval = qla2x00_ga_nxt(vha, new_fcport);
3742                         if (rval != QLA_SUCCESS) {
3743                                 ql_log(ql_log_warn, vha, 0x2064,
3744                                     "SNS scan failed -- assuming "
3745                                     "zero-entry result.\n");
3746                                 list_for_each_entry_safe(fcport, fcptemp,
3747                                     new_fcports, list) {
3748                                         list_del(&fcport->list);
3749                                         kfree(fcport);
3750                                 }
3751                                 rval = QLA_SUCCESS;
3752                                 break;
3753                         }
3754                 }
3755
3756                 /* If wrap on switch device list, exit. */
3757                 if (first_dev) {
3758                         wrap.b24 = new_fcport->d_id.b24;
3759                         first_dev = 0;
3760                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3761                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3762                             "Device wrap (%02x%02x%02x).\n",
3763                             new_fcport->d_id.b.domain,
3764                             new_fcport->d_id.b.area,
3765                             new_fcport->d_id.b.al_pa);
3766                         break;
3767                 }
3768
3769                 /* Bypass if same physical adapter. */
3770                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3771                         continue;
3772
3773                 /* Bypass virtual ports of the same host. */
3774                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3775                         continue;
3776
3777                 /* Bypass if same domain and area of adapter. */
3778                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3779                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3780                         ISP_CFG_FL)
3781                             continue;
3782
3783                 /* Bypass reserved domain fields. */
3784                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3785                         continue;
3786
3787                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3788                 if (ql2xgffidenable &&
3789                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3790                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3791                         continue;
3792
3793                 /* Locate matching device in database. */
3794                 found = 0;
3795                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3796                         if (memcmp(new_fcport->port_name, fcport->port_name,
3797                             WWN_SIZE))
3798                                 continue;
3799
3800                         fcport->scan_state = QLA_FCPORT_FOUND;
3801
3802                         found++;
3803
3804                         /* Update port state. */
3805                         memcpy(fcport->fabric_port_name,
3806                             new_fcport->fabric_port_name, WWN_SIZE);
3807                         fcport->fp_speed = new_fcport->fp_speed;
3808
3809                         /*
3810                          * If address the same and state FCS_ONLINE
3811                          * (or in target mode), nothing changed.
3812                          */
3813                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3814                             (atomic_read(&fcport->state) == FCS_ONLINE ||
3815                              !qla_ini_mode_enabled(base_vha))) {
3816                                 break;
3817                         }
3818
3819                         /*
3820                          * If device was not a fabric device before.
3821                          */
3822                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3823                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3824                                 qla2x00_clear_loop_id(fcport);
3825                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3826                                     FCF_LOGIN_NEEDED);
3827                                 break;
3828                         }
3829
3830                         /*
3831                          * Port ID changed or device was marked to be updated;
3832                          * Log it out if still logged in and mark it for
3833                          * relogin later.
3834                          */
3835                         if (!qla_ini_mode_enabled(base_vha)) {
3836                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
3837                                          "port changed FC ID, %8phC"
3838                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
3839                                          fcport->port_name,
3840                                          fcport->d_id.b.domain,
3841                                          fcport->d_id.b.area,
3842                                          fcport->d_id.b.al_pa,
3843                                          fcport->loop_id,
3844                                          new_fcport->d_id.b.domain,
3845                                          new_fcport->d_id.b.area,
3846                                          new_fcport->d_id.b.al_pa);
3847                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3848                                 break;
3849                         }
3850
3851                         fcport->d_id.b24 = new_fcport->d_id.b24;
3852                         fcport->flags |= FCF_LOGIN_NEEDED;
3853                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3854                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3855                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3856                             fcport->port_type != FCT_INITIATOR &&
3857                             fcport->port_type != FCT_BROADCAST) {
3858                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3859                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3860                                     fcport->d_id.b.al_pa);
3861                                 qla2x00_clear_loop_id(fcport);
3862                         }
3863
3864                         break;
3865                 }
3866
3867                 if (found)
3868                         continue;
3869                 /* If device was not in our fcports list, then add it. */
3870                 new_fcport->scan_state = QLA_FCPORT_FOUND;
3871                 list_add_tail(&new_fcport->list, new_fcports);
3872
3873                 /* Allocate a new replacement fcport. */
3874                 nxt_d_id.b24 = new_fcport->d_id.b24;
3875                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3876                 if (new_fcport == NULL) {
3877                         ql_log(ql_log_warn, vha, 0x2066,
3878                             "Memory allocation failed for fcport.\n");
3879                         return (QLA_MEMORY_ALLOC_FAILED);
3880                 }
3881                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3882                 new_fcport->d_id.b24 = nxt_d_id.b24;
3883         }
3884
3885         kfree(new_fcport);
3886
3887         return (rval);
3888 }
3889
3890 /*
3891  * qla2x00_find_new_loop_id
3892  *      Scan through our port list and find a new usable loop ID.
3893  *
3894  * Input:
3895  *      ha:     adapter state pointer.
3896  *      dev:    port structure pointer.
3897  *
3898  * Returns:
3899  *      qla2x00 local function return status code.
3900  *
3901  * Context:
3902  *      Kernel context.
3903  */
3904 int
3905 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3906 {
3907         int     rval;
3908         struct qla_hw_data *ha = vha->hw;
3909         unsigned long flags = 0;
3910
3911         rval = QLA_SUCCESS;
3912
3913         spin_lock_irqsave(&ha->vport_slock, flags);
3914
3915         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3916             LOOPID_MAP_SIZE);
3917         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3918             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3919                 dev->loop_id = FC_NO_LOOP_ID;
3920                 rval = QLA_FUNCTION_FAILED;
3921         } else
3922                 set_bit(dev->loop_id, ha->loop_id_map);
3923
3924         spin_unlock_irqrestore(&ha->vport_slock, flags);
3925
3926         if (rval == QLA_SUCCESS)
3927                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3928                     "Assigning new loopid=%x, portid=%x.\n",
3929                     dev->loop_id, dev->d_id.b24);
3930         else
3931                 ql_log(ql_log_warn, dev->vha, 0x2087,
3932                     "No loop_id's available, portid=%x.\n",
3933                     dev->d_id.b24);
3934
3935         return (rval);
3936 }
3937
3938 /*
3939  * qla2x00_fabric_dev_login
3940  *      Login fabric target device and update FC port database.
3941  *
3942  * Input:
3943  *      ha:             adapter state pointer.
3944  *      fcport:         port structure list pointer.
3945  *      next_loopid:    contains value of a new loop ID that can be used
3946  *                      by the next login attempt.
3947  *
3948  * Returns:
3949  *      qla2x00 local function return status code.
3950  *
3951  * Context:
3952  *      Kernel context.
3953  */
3954 static int
3955 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3956     uint16_t *next_loopid)
3957 {
3958         int     rval;
3959         uint8_t opts;
3960         struct qla_hw_data *ha = vha->hw;
3961
3962         rval = QLA_SUCCESS;
3963
3964         if (IS_ALOGIO_CAPABLE(ha)) {
3965                 if (fcport->flags & FCF_ASYNC_SENT)
3966                         return rval;
3967                 fcport->flags |= FCF_ASYNC_SENT;
3968                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3969                 if (!rval)
3970                         return rval;
3971         }
3972
3973         fcport->flags &= ~FCF_ASYNC_SENT;
3974         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3975         if (rval == QLA_SUCCESS) {
3976                 /* Send an ADISC to FCP2 devices.*/
3977                 opts = 0;
3978                 if (fcport->flags & FCF_FCP2_DEVICE)
3979                         opts |= BIT_1;
3980                 rval = qla2x00_get_port_database(vha, fcport, opts);
3981                 if (rval != QLA_SUCCESS) {
3982                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3983                             fcport->d_id.b.domain, fcport->d_id.b.area,
3984                             fcport->d_id.b.al_pa);
3985                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3986                 } else {
3987                         qla2x00_update_fcport(vha, fcport);
3988                 }
3989         } else {
3990                 /* Retry Login. */
3991                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3992         }
3993
3994         return (rval);
3995 }
3996
3997 /*
3998  * qla2x00_fabric_login
3999  *      Issue fabric login command.
4000  *
4001  * Input:
4002  *      ha = adapter block pointer.
4003  *      device = pointer to FC device type structure.
4004  *
4005  * Returns:
4006  *      0 - Login successfully
4007  *      1 - Login failed
4008  *      2 - Initiator device
4009  *      3 - Fatal error
4010  */
4011 int
4012 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
4013     uint16_t *next_loopid)
4014 {
4015         int     rval;
4016         int     retry;
4017         uint16_t tmp_loopid;
4018         uint16_t mb[MAILBOX_REGISTER_COUNT];
4019         struct qla_hw_data *ha = vha->hw;
4020
4021         retry = 0;
4022         tmp_loopid = 0;
4023
4024         for (;;) {
4025                 ql_dbg(ql_dbg_disc, vha, 0x2000,
4026                     "Trying Fabric Login w/loop id 0x%04x for port "
4027                     "%02x%02x%02x.\n",
4028                     fcport->loop_id, fcport->d_id.b.domain,
4029                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
4030
4031                 /* Login fcport on switch. */
4032                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
4033                     fcport->d_id.b.domain, fcport->d_id.b.area,
4034                     fcport->d_id.b.al_pa, mb, BIT_0);
4035                 if (rval != QLA_SUCCESS) {
4036                         return rval;
4037                 }
4038                 if (mb[0] == MBS_PORT_ID_USED) {
4039                         /*
4040                          * Device has another loop ID.  The firmware team
4041                          * recommends the driver perform an implicit login with
4042                          * the specified ID again. The ID we just used is save
4043                          * here so we return with an ID that can be tried by
4044                          * the next login.
4045                          */
4046                         retry++;
4047                         tmp_loopid = fcport->loop_id;
4048                         fcport->loop_id = mb[1];
4049
4050                         ql_dbg(ql_dbg_disc, vha, 0x2001,
4051                             "Fabric Login: port in use - next loop "
4052                             "id=0x%04x, port id= %02x%02x%02x.\n",
4053                             fcport->loop_id, fcport->d_id.b.domain,
4054                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
4055
4056                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
4057                         /*
4058                          * Login succeeded.
4059                          */
4060                         if (retry) {
4061                                 /* A retry occurred before. */
4062                                 *next_loopid = tmp_loopid;
4063                         } else {
4064                                 /*
4065                                  * No retry occurred before. Just increment the
4066                                  * ID value for next login.
4067                                  */
4068                                 *next_loopid = (fcport->loop_id + 1);
4069                         }
4070
4071                         if (mb[1] & BIT_0) {
4072                                 fcport->port_type = FCT_INITIATOR;
4073                         } else {
4074                                 fcport->port_type = FCT_TARGET;
4075                                 if (mb[1] & BIT_1) {
4076                                         fcport->flags |= FCF_FCP2_DEVICE;
4077                                 }
4078                         }
4079
4080                         if (mb[10] & BIT_0)
4081                                 fcport->supported_classes |= FC_COS_CLASS2;
4082                         if (mb[10] & BIT_1)
4083                                 fcport->supported_classes |= FC_COS_CLASS3;
4084
4085                         if (IS_FWI2_CAPABLE(ha)) {
4086                                 if (mb[10] & BIT_7)
4087                                         fcport->flags |=
4088                                             FCF_CONF_COMP_SUPPORTED;
4089                         }
4090
4091                         rval = QLA_SUCCESS;
4092                         break;
4093                 } else if (mb[0] == MBS_LOOP_ID_USED) {
4094                         /*
4095                          * Loop ID already used, try next loop ID.
4096                          */
4097                         fcport->loop_id++;
4098                         rval = qla2x00_find_new_loop_id(vha, fcport);
4099                         if (rval != QLA_SUCCESS) {
4100                                 /* Ran out of loop IDs to use */
4101                                 break;
4102                         }
4103                 } else if (mb[0] == MBS_COMMAND_ERROR) {
4104                         /*
4105                          * Firmware possibly timed out during login. If NO
4106                          * retries are left to do then the device is declared
4107                          * dead.
4108                          */
4109                         *next_loopid = fcport->loop_id;
4110                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4111                             fcport->d_id.b.domain, fcport->d_id.b.area,
4112                             fcport->d_id.b.al_pa);
4113                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
4114
4115                         rval = 1;
4116                         break;
4117                 } else {
4118                         /*
4119                          * unrecoverable / not handled error
4120                          */
4121                         ql_dbg(ql_dbg_disc, vha, 0x2002,
4122                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
4123                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
4124                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
4125                             fcport->loop_id, jiffies);
4126
4127                         *next_loopid = fcport->loop_id;
4128                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4129                             fcport->d_id.b.domain, fcport->d_id.b.area,
4130                             fcport->d_id.b.al_pa);
4131                         qla2x00_clear_loop_id(fcport);
4132                         fcport->login_retry = 0;
4133
4134                         rval = 3;
4135                         break;
4136                 }
4137         }
4138
4139         return (rval);
4140 }
4141
4142 /*
4143  * qla2x00_local_device_login
4144  *      Issue local device login command.
4145  *
4146  * Input:
4147  *      ha = adapter block pointer.
4148  *      loop_id = loop id of device to login to.
4149  *
4150  * Returns (Where's the #define!!!!):
4151  *      0 - Login successfully
4152  *      1 - Login failed
4153  *      3 - Fatal error
4154  */
4155 int
4156 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
4157 {
4158         int             rval;
4159         uint16_t        mb[MAILBOX_REGISTER_COUNT];
4160
4161         memset(mb, 0, sizeof(mb));
4162         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
4163         if (rval == QLA_SUCCESS) {
4164                 /* Interrogate mailbox registers for any errors */
4165                 if (mb[0] == MBS_COMMAND_ERROR)
4166                         rval = 1;
4167                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
4168                         /* device not in PCB table */
4169                         rval = 3;
4170         }
4171
4172         return (rval);
4173 }
4174
4175 /*
4176  *  qla2x00_loop_resync
4177  *      Resync with fibre channel devices.
4178  *
4179  * Input:
4180  *      ha = adapter block pointer.
4181  *
4182  * Returns:
4183  *      0 = success
4184  */
4185 int
4186 qla2x00_loop_resync(scsi_qla_host_t *vha)
4187 {
4188         int rval = QLA_SUCCESS;
4189         uint32_t wait_time;
4190         struct req_que *req;
4191         struct rsp_que *rsp;
4192
4193         if (vha->hw->flags.cpu_affinity_enabled)
4194                 req = vha->hw->req_q_map[0];
4195         else
4196                 req = vha->req;
4197         rsp = req->rsp;
4198
4199         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4200         if (vha->flags.online) {
4201                 if (!(rval = qla2x00_fw_ready(vha))) {
4202                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4203                         wait_time = 256;
4204                         do {
4205                                 if (!IS_QLAFX00(vha->hw)) {
4206                                         /*
4207                                          * Issue a marker after FW becomes
4208                                          * ready.
4209                                          */
4210                                         qla2x00_marker(vha, req, rsp, 0, 0,
4211                                                 MK_SYNC_ALL);
4212                                         vha->marker_needed = 0;
4213                                 }
4214
4215                                 /* Remap devices on Loop. */
4216                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4217
4218                                 if (IS_QLAFX00(vha->hw))
4219                                         qlafx00_configure_devices(vha);
4220                                 else
4221                                         qla2x00_configure_loop(vha);
4222
4223                                 wait_time--;
4224                         } while (!atomic_read(&vha->loop_down_timer) &&
4225                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4226                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4227                                 &vha->dpc_flags)));
4228                 }
4229         }
4230
4231         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4232                 return (QLA_FUNCTION_FAILED);
4233
4234         if (rval)
4235                 ql_dbg(ql_dbg_disc, vha, 0x206c,
4236                     "%s *** FAILED ***.\n", __func__);
4237
4238         return (rval);
4239 }
4240
4241 /*
4242 * qla2x00_perform_loop_resync
4243 * Description: This function will set the appropriate flags and call
4244 *              qla2x00_loop_resync. If successful loop will be resynced
4245 * Arguments : scsi_qla_host_t pointer
4246 * returm    : Success or Failure
4247 */
4248
4249 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
4250 {
4251         int32_t rval = 0;
4252
4253         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
4254                 /*Configure the flags so that resync happens properly*/
4255                 atomic_set(&ha->loop_down_timer, 0);
4256                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
4257                         atomic_set(&ha->loop_state, LOOP_UP);
4258                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4259                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
4260                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4261
4262                         rval = qla2x00_loop_resync(ha);
4263                 } else
4264                         atomic_set(&ha->loop_state, LOOP_DEAD);
4265
4266                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
4267         }
4268
4269         return rval;
4270 }
4271
4272 void
4273 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
4274 {
4275         fc_port_t *fcport;
4276         struct scsi_qla_host *vha;
4277         struct qla_hw_data *ha = base_vha->hw;
4278         unsigned long flags;
4279
4280         spin_lock_irqsave(&ha->vport_slock, flags);
4281         /* Go with deferred removal of rport references. */
4282         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
4283                 atomic_inc(&vha->vref_count);
4284                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4285                         if (fcport->drport &&
4286                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
4287                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4288                                 qla2x00_rport_del(fcport);
4289
4290                                 /*
4291                                  * Release the target mode FC NEXUS in
4292                                  * qla_target.c, if target mod is enabled.
4293                                  */
4294                                 qlt_fc_port_deleted(vha, fcport,
4295                                     base_vha->total_fcport_update_gen);
4296
4297                                 spin_lock_irqsave(&ha->vport_slock, flags);
4298                         }
4299                 }
4300                 atomic_dec(&vha->vref_count);
4301         }
4302         spin_unlock_irqrestore(&ha->vport_slock, flags);
4303 }
4304
4305 /* Assumes idc_lock always held on entry */
4306 void
4307 qla83xx_reset_ownership(scsi_qla_host_t *vha)
4308 {
4309         struct qla_hw_data *ha = vha->hw;
4310         uint32_t drv_presence, drv_presence_mask;
4311         uint32_t dev_part_info1, dev_part_info2, class_type;
4312         uint32_t class_type_mask = 0x3;
4313         uint16_t fcoe_other_function = 0xffff, i;
4314
4315         if (IS_QLA8044(ha)) {
4316                 drv_presence = qla8044_rd_direct(vha,
4317                     QLA8044_CRB_DRV_ACTIVE_INDEX);
4318                 dev_part_info1 = qla8044_rd_direct(vha,
4319                     QLA8044_CRB_DEV_PART_INFO_INDEX);
4320                 dev_part_info2 = qla8044_rd_direct(vha,
4321                     QLA8044_CRB_DEV_PART_INFO2);
4322         } else {
4323                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4324                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4325                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4326         }
4327         for (i = 0; i < 8; i++) {
4328                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4329                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4330                     (i != ha->portnum)) {
4331                         fcoe_other_function = i;
4332                         break;
4333                 }
4334         }
4335         if (fcoe_other_function == 0xffff) {
4336                 for (i = 0; i < 8; i++) {
4337                         class_type = ((dev_part_info2 >> (i * 4)) &
4338                             class_type_mask);
4339                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4340                             ((i + 8) != ha->portnum)) {
4341                                 fcoe_other_function = i + 8;
4342                                 break;
4343                         }
4344                 }
4345         }
4346         /*
4347          * Prepare drv-presence mask based on fcoe functions present.
4348          * However consider only valid physical fcoe function numbers (0-15).
4349          */
4350         drv_presence_mask = ~((1 << (ha->portnum)) |
4351                         ((fcoe_other_function == 0xffff) ?
4352                          0 : (1 << (fcoe_other_function))));
4353
4354         /* We are the reset owner iff:
4355          *    - No other protocol drivers present.
4356          *    - This is the lowest among fcoe functions. */
4357         if (!(drv_presence & drv_presence_mask) &&
4358                         (ha->portnum < fcoe_other_function)) {
4359                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4360                     "This host is Reset owner.\n");
4361                 ha->flags.nic_core_reset_owner = 1;
4362         }
4363 }
4364
4365 static int
4366 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4367 {
4368         int rval = QLA_SUCCESS;
4369         struct qla_hw_data *ha = vha->hw;
4370         uint32_t drv_ack;
4371
4372         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4373         if (rval == QLA_SUCCESS) {
4374                 drv_ack |= (1 << ha->portnum);
4375                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4376         }
4377
4378         return rval;
4379 }
4380
4381 static int
4382 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4383 {
4384         int rval = QLA_SUCCESS;
4385         struct qla_hw_data *ha = vha->hw;
4386         uint32_t drv_ack;
4387
4388         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4389         if (rval == QLA_SUCCESS) {
4390                 drv_ack &= ~(1 << ha->portnum);
4391                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4392         }
4393
4394         return rval;
4395 }
4396
4397 static const char *
4398 qla83xx_dev_state_to_string(uint32_t dev_state)
4399 {
4400         switch (dev_state) {
4401         case QLA8XXX_DEV_COLD:
4402                 return "COLD/RE-INIT";
4403         case QLA8XXX_DEV_INITIALIZING:
4404                 return "INITIALIZING";
4405         case QLA8XXX_DEV_READY:
4406                 return "READY";
4407         case QLA8XXX_DEV_NEED_RESET:
4408                 return "NEED RESET";
4409         case QLA8XXX_DEV_NEED_QUIESCENT:
4410                 return "NEED QUIESCENT";
4411         case QLA8XXX_DEV_FAILED:
4412                 return "FAILED";
4413         case QLA8XXX_DEV_QUIESCENT:
4414                 return "QUIESCENT";
4415         default:
4416                 return "Unknown";
4417         }
4418 }
4419
4420 /* Assumes idc-lock always held on entry */
4421 void
4422 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4423 {
4424         struct qla_hw_data *ha = vha->hw;
4425         uint32_t idc_audit_reg = 0, duration_secs = 0;
4426
4427         switch (audit_type) {
4428         case IDC_AUDIT_TIMESTAMP:
4429                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4430                 idc_audit_reg = (ha->portnum) |
4431                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4432                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4433                 break;
4434
4435         case IDC_AUDIT_COMPLETION:
4436                 duration_secs = ((jiffies_to_msecs(jiffies) -
4437                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4438                 idc_audit_reg = (ha->portnum) |
4439                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4440                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4441                 break;
4442
4443         default:
4444                 ql_log(ql_log_warn, vha, 0xb078,
4445                     "Invalid audit type specified.\n");
4446                 break;
4447         }
4448 }
4449
4450 /* Assumes idc_lock always held on entry */
4451 static int
4452 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4453 {
4454         struct qla_hw_data *ha = vha->hw;
4455         uint32_t  idc_control, dev_state;
4456
4457         __qla83xx_get_idc_control(vha, &idc_control);
4458         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4459                 ql_log(ql_log_info, vha, 0xb080,
4460                     "NIC Core reset has been disabled. idc-control=0x%x\n",
4461                     idc_control);
4462                 return QLA_FUNCTION_FAILED;
4463         }
4464
4465         /* Set NEED-RESET iff in READY state and we are the reset-owner */
4466         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4467         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4468                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4469                     QLA8XXX_DEV_NEED_RESET);
4470                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4471                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4472         } else {
4473                 const char *state = qla83xx_dev_state_to_string(dev_state);
4474                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4475
4476                 /* SV: XXX: Is timeout required here? */
4477                 /* Wait for IDC state change READY -> NEED_RESET */
4478                 while (dev_state == QLA8XXX_DEV_READY) {
4479                         qla83xx_idc_unlock(vha, 0);
4480                         msleep(200);
4481                         qla83xx_idc_lock(vha, 0);
4482                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4483                 }
4484         }
4485
4486         /* Send IDC ack by writing to drv-ack register */
4487         __qla83xx_set_drv_ack(vha);
4488
4489         return QLA_SUCCESS;
4490 }
4491
4492 int
4493 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4494 {
4495         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4496 }
4497
4498 int
4499 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4500 {
4501         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4502 }
4503
4504 static int
4505 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4506 {
4507         uint32_t drv_presence = 0;
4508         struct qla_hw_data *ha = vha->hw;
4509
4510         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4511         if (drv_presence & (1 << ha->portnum))
4512                 return QLA_SUCCESS;
4513         else
4514                 return QLA_TEST_FAILED;
4515 }
4516
4517 int
4518 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4519 {
4520         int rval = QLA_SUCCESS;
4521         struct qla_hw_data *ha = vha->hw;
4522
4523         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4524             "Entered  %s().\n", __func__);
4525
4526         if (vha->device_flags & DFLG_DEV_FAILED) {
4527                 ql_log(ql_log_warn, vha, 0xb059,
4528                     "Device in unrecoverable FAILED state.\n");
4529                 return QLA_FUNCTION_FAILED;
4530         }
4531
4532         qla83xx_idc_lock(vha, 0);
4533
4534         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4535                 ql_log(ql_log_warn, vha, 0xb05a,
4536                     "Function=0x%x has been removed from IDC participation.\n",
4537                     ha->portnum);
4538                 rval = QLA_FUNCTION_FAILED;
4539                 goto exit;
4540         }
4541
4542         qla83xx_reset_ownership(vha);
4543
4544         rval = qla83xx_initiating_reset(vha);
4545
4546         /*
4547          * Perform reset if we are the reset-owner,
4548          * else wait till IDC state changes to READY/FAILED.
4549          */
4550         if (rval == QLA_SUCCESS) {
4551                 rval = qla83xx_idc_state_handler(vha);
4552
4553                 if (rval == QLA_SUCCESS)
4554                         ha->flags.nic_core_hung = 0;
4555                 __qla83xx_clear_drv_ack(vha);
4556         }
4557
4558 exit:
4559         qla83xx_idc_unlock(vha, 0);
4560
4561         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4562
4563         return rval;
4564 }
4565
4566 int
4567 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4568 {
4569         struct qla_hw_data *ha = vha->hw;
4570         int rval = QLA_FUNCTION_FAILED;
4571
4572         if (!IS_MCTP_CAPABLE(ha)) {
4573                 /* This message can be removed from the final version */
4574                 ql_log(ql_log_info, vha, 0x506d,
4575                     "This board is not MCTP capable\n");
4576                 return rval;
4577         }
4578
4579         if (!ha->mctp_dump) {
4580                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4581                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4582
4583                 if (!ha->mctp_dump) {
4584                         ql_log(ql_log_warn, vha, 0x506e,
4585                             "Failed to allocate memory for mctp dump\n");
4586                         return rval;
4587                 }
4588         }
4589
4590 #define MCTP_DUMP_STR_ADDR      0x00000000
4591         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4592             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4593         if (rval != QLA_SUCCESS) {
4594                 ql_log(ql_log_warn, vha, 0x506f,
4595                     "Failed to capture mctp dump\n");
4596         } else {
4597                 ql_log(ql_log_info, vha, 0x5070,
4598                     "Mctp dump capture for host (%ld/%p).\n",
4599                     vha->host_no, ha->mctp_dump);
4600                 ha->mctp_dumped = 1;
4601         }
4602
4603         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4604                 ha->flags.nic_core_reset_hdlr_active = 1;
4605                 rval = qla83xx_restart_nic_firmware(vha);
4606                 if (rval)
4607                         /* NIC Core reset failed. */
4608                         ql_log(ql_log_warn, vha, 0x5071,
4609                             "Failed to restart nic firmware\n");
4610                 else
4611                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4612                             "Restarted NIC firmware successfully.\n");
4613                 ha->flags.nic_core_reset_hdlr_active = 0;
4614         }
4615
4616         return rval;
4617
4618 }
4619
4620 /*
4621 * qla2x00_quiesce_io
4622 * Description: This function will block the new I/Os
4623 *              Its not aborting any I/Os as context
4624 *              is not destroyed during quiescence
4625 * Arguments: scsi_qla_host_t
4626 * return   : void
4627 */
4628 void
4629 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4630 {
4631         struct qla_hw_data *ha = vha->hw;
4632         struct scsi_qla_host *vp;
4633
4634         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4635             "Quiescing I/O - ha=%p.\n", ha);
4636
4637         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4638         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4639                 atomic_set(&vha->loop_state, LOOP_DOWN);
4640                 qla2x00_mark_all_devices_lost(vha, 0);
4641                 list_for_each_entry(vp, &ha->vp_list, list)
4642                         qla2x00_mark_all_devices_lost(vp, 0);
4643         } else {
4644                 if (!atomic_read(&vha->loop_down_timer))
4645                         atomic_set(&vha->loop_down_timer,
4646                                         LOOP_DOWN_TIME);
4647         }
4648         /* Wait for pending cmds to complete */
4649         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4650 }
4651
4652 void
4653 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4654 {
4655         struct qla_hw_data *ha = vha->hw;
4656         struct scsi_qla_host *vp;
4657         unsigned long flags;
4658         fc_port_t *fcport;
4659
4660         /* For ISP82XX, driver waits for completion of the commands.
4661          * online flag should be set.
4662          */
4663         if (!(IS_P3P_TYPE(ha)))
4664                 vha->flags.online = 0;
4665         ha->flags.chip_reset_done = 0;
4666         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4667         vha->qla_stats.total_isp_aborts++;
4668
4669         ql_log(ql_log_info, vha, 0x00af,
4670             "Performing ISP error recovery - ha=%p.\n", ha);
4671
4672         /* For ISP82XX, reset_chip is just disabling interrupts.
4673          * Driver waits for the completion of the commands.
4674          * the interrupts need to be enabled.
4675          */
4676         if (!(IS_P3P_TYPE(ha)))
4677                 ha->isp_ops->reset_chip(vha);
4678
4679         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4680         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4681                 atomic_set(&vha->loop_state, LOOP_DOWN);
4682                 qla2x00_mark_all_devices_lost(vha, 0);
4683
4684                 spin_lock_irqsave(&ha->vport_slock, flags);
4685                 list_for_each_entry(vp, &ha->vp_list, list) {
4686                         atomic_inc(&vp->vref_count);
4687                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4688
4689                         qla2x00_mark_all_devices_lost(vp, 0);
4690
4691                         spin_lock_irqsave(&ha->vport_slock, flags);
4692                         atomic_dec(&vp->vref_count);
4693                 }
4694                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4695         } else {
4696                 if (!atomic_read(&vha->loop_down_timer))
4697                         atomic_set(&vha->loop_down_timer,
4698                             LOOP_DOWN_TIME);
4699         }
4700
4701         /* Clear all async request states across all VPs. */
4702         list_for_each_entry(fcport, &vha->vp_fcports, list)
4703                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4704         spin_lock_irqsave(&ha->vport_slock, flags);
4705         list_for_each_entry(vp, &ha->vp_list, list) {
4706                 atomic_inc(&vp->vref_count);
4707                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4708
4709                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4710                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4711
4712                 spin_lock_irqsave(&ha->vport_slock, flags);
4713                 atomic_dec(&vp->vref_count);
4714         }
4715         spin_unlock_irqrestore(&ha->vport_slock, flags);
4716
4717         if (!ha->flags.eeh_busy) {
4718                 /* Make sure for ISP 82XX IO DMA is complete */
4719                 if (IS_P3P_TYPE(ha)) {
4720                         qla82xx_chip_reset_cleanup(vha);
4721                         ql_log(ql_log_info, vha, 0x00b4,
4722                             "Done chip reset cleanup.\n");
4723
4724                         /* Done waiting for pending commands.
4725                          * Reset the online flag.
4726                          */
4727                         vha->flags.online = 0;
4728                 }
4729
4730                 /* Requeue all commands in outstanding command list. */
4731                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4732         }
4733
4734         ha->chip_reset++;
4735         /* memory barrier */
4736         wmb();
4737 }
4738
4739 /*
4740 *  qla2x00_abort_isp
4741 *      Resets ISP and aborts all outstanding commands.
4742 *
4743 * Input:
4744 *      ha           = adapter block pointer.
4745 *
4746 * Returns:
4747 *      0 = success
4748 */
4749 int
4750 qla2x00_abort_isp(scsi_qla_host_t *vha)
4751 {
4752         int rval;
4753         uint8_t        status = 0;
4754         struct qla_hw_data *ha = vha->hw;
4755         struct scsi_qla_host *vp;
4756         struct req_que *req = ha->req_q_map[0];
4757         unsigned long flags;
4758
4759         if (vha->flags.online) {
4760                 qla2x00_abort_isp_cleanup(vha);
4761
4762                 if (IS_QLA8031(ha)) {
4763                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4764                             "Clearing fcoe driver presence.\n");
4765                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4766                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4767                                     "Error while clearing DRV-Presence.\n");
4768                 }
4769
4770                 if (unlikely(pci_channel_offline(ha->pdev) &&
4771                     ha->flags.pci_channel_io_perm_failure)) {
4772                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4773                         status = 0;
4774                         return status;
4775                 }
4776
4777                 ha->isp_ops->get_flash_version(vha, req->ring);
4778
4779                 ha->isp_ops->nvram_config(vha);
4780
4781                 if (!qla2x00_restart_isp(vha)) {
4782                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4783
4784                         if (!atomic_read(&vha->loop_down_timer)) {
4785                                 /*
4786                                  * Issue marker command only when we are going
4787                                  * to start the I/O .
4788                                  */
4789                                 vha->marker_needed = 1;
4790                         }
4791
4792                         vha->flags.online = 1;
4793
4794                         ha->isp_ops->enable_intrs(ha);
4795
4796                         ha->isp_abort_cnt = 0;
4797                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4798
4799                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4800                                 qla2x00_get_fw_version(vha);
4801                         if (ha->fce) {
4802                                 ha->flags.fce_enabled = 1;
4803                                 memset(ha->fce, 0,
4804                                     fce_calc_size(ha->fce_bufs));
4805                                 rval = qla2x00_enable_fce_trace(vha,
4806                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4807                                     &ha->fce_bufs);
4808                                 if (rval) {
4809                                         ql_log(ql_log_warn, vha, 0x8033,
4810                                             "Unable to reinitialize FCE "
4811                                             "(%d).\n", rval);
4812                                         ha->flags.fce_enabled = 0;
4813                                 }
4814                         }
4815
4816                         if (ha->eft) {
4817                                 memset(ha->eft, 0, EFT_SIZE);
4818                                 rval = qla2x00_enable_eft_trace(vha,
4819                                     ha->eft_dma, EFT_NUM_BUFFERS);
4820                                 if (rval) {
4821                                         ql_log(ql_log_warn, vha, 0x8034,
4822                                             "Unable to reinitialize EFT "
4823                                             "(%d).\n", rval);
4824                                 }
4825                         }
4826                 } else {        /* failed the ISP abort */
4827                         vha->flags.online = 1;
4828                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4829                                 if (ha->isp_abort_cnt == 0) {
4830                                         ql_log(ql_log_fatal, vha, 0x8035,
4831                                             "ISP error recover failed - "
4832                                             "board disabled.\n");
4833                                         /*
4834                                          * The next call disables the board
4835                                          * completely.
4836                                          */
4837                                         ha->isp_ops->reset_adapter(vha);
4838                                         vha->flags.online = 0;
4839                                         clear_bit(ISP_ABORT_RETRY,
4840                                             &vha->dpc_flags);
4841                                         status = 0;
4842                                 } else { /* schedule another ISP abort */
4843                                         ha->isp_abort_cnt--;
4844                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4845                                             "ISP abort - retry remaining %d.\n",
4846                                             ha->isp_abort_cnt);
4847                                         status = 1;
4848                                 }
4849                         } else {
4850                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4851                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4852                                     "ISP error recovery - retrying (%d) "
4853                                     "more times.\n", ha->isp_abort_cnt);
4854                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4855                                 status = 1;
4856                         }
4857                 }
4858
4859         }
4860
4861         if (!status) {
4862                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4863
4864                 spin_lock_irqsave(&ha->vport_slock, flags);
4865                 list_for_each_entry(vp, &ha->vp_list, list) {
4866                         if (vp->vp_idx) {
4867                                 atomic_inc(&vp->vref_count);
4868                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4869
4870                                 qla2x00_vp_abort_isp(vp);
4871
4872                                 spin_lock_irqsave(&ha->vport_slock, flags);
4873                                 atomic_dec(&vp->vref_count);
4874                         }
4875                 }
4876                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4877
4878                 if (IS_QLA8031(ha)) {
4879                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4880                             "Setting back fcoe driver presence.\n");
4881                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4882                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4883                                     "Error while setting DRV-Presence.\n");
4884                 }
4885         } else {
4886                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4887                        __func__);
4888         }
4889
4890         return(status);
4891 }
4892
4893 /*
4894 *  qla2x00_restart_isp
4895 *      restarts the ISP after a reset
4896 *
4897 * Input:
4898 *      ha = adapter block pointer.
4899 *
4900 * Returns:
4901 *      0 = success
4902 */
4903 static int
4904 qla2x00_restart_isp(scsi_qla_host_t *vha)
4905 {
4906         int status = 0;
4907         struct qla_hw_data *ha = vha->hw;
4908         struct req_que *req = ha->req_q_map[0];
4909         struct rsp_que *rsp = ha->rsp_q_map[0];
4910         unsigned long flags;
4911
4912         /* If firmware needs to be loaded */
4913         if (qla2x00_isp_firmware(vha)) {
4914                 vha->flags.online = 0;
4915                 status = ha->isp_ops->chip_diag(vha);
4916                 if (!status)
4917                         status = qla2x00_setup_chip(vha);
4918         }
4919
4920         if (!status && !(status = qla2x00_init_rings(vha))) {
4921                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4922                 ha->flags.chip_reset_done = 1;
4923
4924                 /* Initialize the queues in use */
4925                 qla25xx_init_queues(ha);
4926
4927                 status = qla2x00_fw_ready(vha);
4928                 if (!status) {
4929                         /* Issue a marker after FW becomes ready. */
4930                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4931
4932                         vha->flags.online = 1;
4933
4934                         /*
4935                          * Process any ATIO queue entries that came in
4936                          * while we weren't online.
4937                          */
4938                         spin_lock_irqsave(&ha->hardware_lock, flags);
4939                         if (qla_tgt_mode_enabled(vha))
4940                                 qlt_24xx_process_atio_queue(vha);
4941                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4942
4943                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4944                 }
4945
4946                 /* if no cable then assume it's good */
4947                 if ((vha->device_flags & DFLG_NO_CABLE))
4948                         status = 0;
4949         }
4950         return (status);
4951 }
4952
4953 static int
4954 qla25xx_init_queues(struct qla_hw_data *ha)
4955 {
4956         struct rsp_que *rsp = NULL;
4957         struct req_que *req = NULL;
4958         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4959         int ret = -1;
4960         int i;
4961
4962         for (i = 1; i < ha->max_rsp_queues; i++) {
4963                 rsp = ha->rsp_q_map[i];
4964                 if (rsp) {
4965                         rsp->options &= ~BIT_0;
4966                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4967                         if (ret != QLA_SUCCESS)
4968                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4969                                     "%s Rsp que: %d init failed.\n",
4970                                     __func__, rsp->id);
4971                         else
4972                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4973                                     "%s Rsp que: %d inited.\n",
4974                                     __func__, rsp->id);
4975                 }
4976         }
4977         for (i = 1; i < ha->max_req_queues; i++) {
4978                 req = ha->req_q_map[i];
4979                 if (req) {
4980                 /* Clear outstanding commands array. */
4981                         req->options &= ~BIT_0;
4982                         ret = qla25xx_init_req_que(base_vha, req);
4983                         if (ret != QLA_SUCCESS)
4984                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4985                                     "%s Req que: %d init failed.\n",
4986                                     __func__, req->id);
4987                         else
4988                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4989                                     "%s Req que: %d inited.\n",
4990                                     __func__, req->id);
4991                 }
4992         }
4993         return ret;
4994 }
4995
4996 /*
4997 * qla2x00_reset_adapter
4998 *      Reset adapter.
4999 *
5000 * Input:
5001 *      ha = adapter block pointer.
5002 */
5003 void
5004 qla2x00_reset_adapter(scsi_qla_host_t *vha)
5005 {
5006         unsigned long flags = 0;
5007         struct qla_hw_data *ha = vha->hw;
5008         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5009
5010         vha->flags.online = 0;
5011         ha->isp_ops->disable_intrs(ha);
5012
5013         spin_lock_irqsave(&ha->hardware_lock, flags);
5014         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
5015         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
5016         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
5017         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
5018         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5019 }
5020
5021 void
5022 qla24xx_reset_adapter(scsi_qla_host_t *vha)
5023 {
5024         unsigned long flags = 0;
5025         struct qla_hw_data *ha = vha->hw;
5026         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
5027
5028         if (IS_P3P_TYPE(ha))
5029                 return;
5030
5031         vha->flags.online = 0;
5032         ha->isp_ops->disable_intrs(ha);
5033
5034         spin_lock_irqsave(&ha->hardware_lock, flags);
5035         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
5036         RD_REG_DWORD(&reg->hccr);
5037         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
5038         RD_REG_DWORD(&reg->hccr);
5039         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5040
5041         if (IS_NOPOLLING_TYPE(ha))
5042                 ha->isp_ops->enable_intrs(ha);
5043 }
5044
5045 /* On sparc systems, obtain port and node WWN from firmware
5046  * properties.
5047  */
5048 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
5049         struct nvram_24xx *nv)
5050 {
5051 #ifdef CONFIG_SPARC
5052         struct qla_hw_data *ha = vha->hw;
5053         struct pci_dev *pdev = ha->pdev;
5054         struct device_node *dp = pci_device_to_OF_node(pdev);
5055         const u8 *val;
5056         int len;
5057
5058         val = of_get_property(dp, "port-wwn", &len);
5059         if (val && len >= WWN_SIZE)
5060                 memcpy(nv->port_name, val, WWN_SIZE);
5061
5062         val = of_get_property(dp, "node-wwn", &len);
5063         if (val && len >= WWN_SIZE)
5064                 memcpy(nv->node_name, val, WWN_SIZE);
5065 #endif
5066 }
5067
5068 int
5069 qla24xx_nvram_config(scsi_qla_host_t *vha)
5070 {
5071         int   rval;
5072         struct init_cb_24xx *icb;
5073         struct nvram_24xx *nv;
5074         uint32_t *dptr;
5075         uint8_t  *dptr1, *dptr2;
5076         uint32_t chksum;
5077         uint16_t cnt;
5078         struct qla_hw_data *ha = vha->hw;
5079
5080         rval = QLA_SUCCESS;
5081         icb = (struct init_cb_24xx *)ha->init_cb;
5082         nv = ha->nvram;
5083
5084         /* Determine NVRAM starting address. */
5085         if (ha->port_no == 0) {
5086                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
5087                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
5088         } else {
5089                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
5090                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
5091         }
5092
5093         ha->nvram_size = sizeof(struct nvram_24xx);
5094         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5095
5096         /* Get VPD data into cache */
5097         ha->vpd = ha->nvram + VPD_OFFSET;
5098         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
5099             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
5100
5101         /* Get NVRAM data into cache and calculate checksum. */
5102         dptr = (uint32_t *)nv;
5103         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
5104             ha->nvram_size);
5105         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5106                 chksum += le32_to_cpu(*dptr++);
5107
5108         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
5109             "Contents of NVRAM\n");
5110         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
5111             (uint8_t *)nv, ha->nvram_size);
5112
5113         /* Bad NVRAM data, set defaults parameters. */
5114         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5115             || nv->id[3] != ' ' ||
5116             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
5117                 /* Reset NVRAM data. */
5118                 ql_log(ql_log_warn, vha, 0x006b,
5119                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5120                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
5121                 ql_log(ql_log_warn, vha, 0x006c,
5122                     "Falling back to functioning (yet invalid -- WWPN) "
5123                     "defaults.\n");
5124
5125                 /*
5126                  * Set default initialization control block.
5127                  */
5128                 memset(nv, 0, ha->nvram_size);
5129                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
5130                 nv->version = cpu_to_le16(ICB_VERSION);
5131                 nv->frame_payload_size = 2048;
5132                 nv->execution_throttle = cpu_to_le16(0xFFFF);
5133                 nv->exchange_count = cpu_to_le16(0);
5134                 nv->hard_address = cpu_to_le16(124);
5135                 nv->port_name[0] = 0x21;
5136                 nv->port_name[1] = 0x00 + ha->port_no + 1;
5137                 nv->port_name[2] = 0x00;
5138                 nv->port_name[3] = 0xe0;
5139                 nv->port_name[4] = 0x8b;
5140                 nv->port_name[5] = 0x1c;
5141                 nv->port_name[6] = 0x55;
5142                 nv->port_name[7] = 0x86;
5143                 nv->node_name[0] = 0x20;
5144                 nv->node_name[1] = 0x00;
5145                 nv->node_name[2] = 0x00;
5146                 nv->node_name[3] = 0xe0;
5147                 nv->node_name[4] = 0x8b;
5148                 nv->node_name[5] = 0x1c;
5149                 nv->node_name[6] = 0x55;
5150                 nv->node_name[7] = 0x86;
5151                 qla24xx_nvram_wwn_from_ofw(vha, nv);
5152                 nv->login_retry_count = cpu_to_le16(8);
5153                 nv->interrupt_delay_timer = cpu_to_le16(0);
5154                 nv->login_timeout = cpu_to_le16(0);
5155                 nv->firmware_options_1 =
5156                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5157                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
5158                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
5159                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
5160                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
5161                 nv->efi_parameters = cpu_to_le32(0);
5162                 nv->reset_delay = 5;
5163                 nv->max_luns_per_target = cpu_to_le16(128);
5164                 nv->port_down_retry_count = cpu_to_le16(30);
5165                 nv->link_down_timeout = cpu_to_le16(30);
5166
5167                 rval = 1;
5168         }
5169
5170         if (!qla_ini_mode_enabled(vha)) {
5171                 /* Don't enable full login after initial LIP */
5172                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
5173                 /* Don't enable LIP full login for initiator */
5174                 nv->host_p &= cpu_to_le32(~BIT_10);
5175         }
5176
5177         qlt_24xx_config_nvram_stage1(vha, nv);
5178
5179         /* Reset Initialization control block */
5180         memset(icb, 0, ha->init_cb_size);
5181
5182         /* Copy 1st segment. */
5183         dptr1 = (uint8_t *)icb;
5184         dptr2 = (uint8_t *)&nv->version;
5185         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5186         while (cnt--)
5187                 *dptr1++ = *dptr2++;
5188
5189         icb->login_retry_count = nv->login_retry_count;
5190         icb->link_down_on_nos = nv->link_down_on_nos;
5191
5192         /* Copy 2nd segment. */
5193         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5194         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5195         cnt = (uint8_t *)&icb->reserved_3 -
5196             (uint8_t *)&icb->interrupt_delay_timer;
5197         while (cnt--)
5198                 *dptr1++ = *dptr2++;
5199
5200         /*
5201          * Setup driver NVRAM options.
5202          */
5203         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5204             "QLA2462");
5205
5206         qlt_24xx_config_nvram_stage2(vha, icb);
5207
5208         if (nv->host_p & cpu_to_le32(BIT_15)) {
5209                 /* Use alternate WWN? */
5210                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5211                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5212         }
5213
5214         /* Prepare nodename */
5215         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
5216                 /*
5217                  * Firmware will apply the following mask if the nodename was
5218                  * not provided.
5219                  */
5220                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5221                 icb->node_name[0] &= 0xF0;
5222         }
5223
5224         /* Set host adapter parameters. */
5225         ha->flags.disable_risc_code_load = 0;
5226         ha->flags.enable_lip_reset = 0;
5227         ha->flags.enable_lip_full_login =
5228             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5229         ha->flags.enable_target_reset =
5230             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5231         ha->flags.enable_led_scheme = 0;
5232         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5233
5234         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5235             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5236
5237         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
5238             sizeof(ha->fw_seriallink_options24));
5239
5240         /* save HBA serial number */
5241         ha->serial0 = icb->port_name[5];
5242         ha->serial1 = icb->port_name[6];
5243         ha->serial2 = icb->port_name[7];
5244         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5245         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5246
5247         icb->execution_throttle = cpu_to_le16(0xFFFF);
5248
5249         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5250
5251         /* Set minimum login_timeout to 4 seconds. */
5252         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5253                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5254         if (le16_to_cpu(nv->login_timeout) < 4)
5255                 nv->login_timeout = cpu_to_le16(4);
5256         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5257         icb->login_timeout = nv->login_timeout;
5258
5259         /* Set minimum RATOV to 100 tenths of a second. */
5260         ha->r_a_tov = 100;
5261
5262         ha->loop_reset_delay = nv->reset_delay;
5263
5264         /* Link Down Timeout = 0:
5265          *
5266          *      When Port Down timer expires we will start returning
5267          *      I/O's to OS with "DID_NO_CONNECT".
5268          *
5269          * Link Down Timeout != 0:
5270          *
5271          *       The driver waits for the link to come up after link down
5272          *       before returning I/Os to OS with "DID_NO_CONNECT".
5273          */
5274         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5275                 ha->loop_down_abort_time =
5276                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5277         } else {
5278                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5279                 ha->loop_down_abort_time =
5280                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5281         }
5282
5283         /* Need enough time to try and get the port back. */
5284         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5285         if (qlport_down_retry)
5286                 ha->port_down_retry_count = qlport_down_retry;
5287
5288         /* Set login_retry_count */
5289         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5290         if (ha->port_down_retry_count ==
5291             le16_to_cpu(nv->port_down_retry_count) &&
5292             ha->port_down_retry_count > 3)
5293                 ha->login_retry_count = ha->port_down_retry_count;
5294         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5295                 ha->login_retry_count = ha->port_down_retry_count;
5296         if (ql2xloginretrycount)
5297                 ha->login_retry_count = ql2xloginretrycount;
5298
5299         /* Enable ZIO. */
5300         if (!vha->flags.init_done) {
5301                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5302                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5303                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5304                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5305         }
5306         icb->firmware_options_2 &= cpu_to_le32(
5307             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5308         vha->flags.process_response_queue = 0;
5309         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5310                 ha->zio_mode = QLA_ZIO_MODE_6;
5311
5312                 ql_log(ql_log_info, vha, 0x006f,
5313                     "ZIO mode %d enabled; timer delay (%d us).\n",
5314                     ha->zio_mode, ha->zio_timer * 100);
5315
5316                 icb->firmware_options_2 |= cpu_to_le32(
5317                     (uint32_t)ha->zio_mode);
5318                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5319                 vha->flags.process_response_queue = 1;
5320         }
5321
5322         if (rval) {
5323                 ql_log(ql_log_warn, vha, 0x0070,
5324                     "NVRAM configuration failed.\n");
5325         }
5326         return (rval);
5327 }
5328
5329 static int
5330 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5331     uint32_t faddr)
5332 {
5333         int     rval = QLA_SUCCESS;
5334         int     segments, fragment;
5335         uint32_t *dcode, dlen;
5336         uint32_t risc_addr;
5337         uint32_t risc_size;
5338         uint32_t i;
5339         struct qla_hw_data *ha = vha->hw;
5340         struct req_que *req = ha->req_q_map[0];
5341
5342         ql_dbg(ql_dbg_init, vha, 0x008b,
5343             "FW: Loading firmware from flash (%x).\n", faddr);
5344
5345         rval = QLA_SUCCESS;
5346
5347         segments = FA_RISC_CODE_SEGMENTS;
5348         dcode = (uint32_t *)req->ring;
5349         *srisc_addr = 0;
5350
5351         /* Validate firmware image by checking version. */
5352         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5353         for (i = 0; i < 4; i++)
5354                 dcode[i] = be32_to_cpu(dcode[i]);
5355         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5356             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5357             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5358                 dcode[3] == 0)) {
5359                 ql_log(ql_log_fatal, vha, 0x008c,
5360                     "Unable to verify the integrity of flash firmware "
5361                     "image.\n");
5362                 ql_log(ql_log_fatal, vha, 0x008d,
5363                     "Firmware data: %08x %08x %08x %08x.\n",
5364                     dcode[0], dcode[1], dcode[2], dcode[3]);
5365
5366                 return QLA_FUNCTION_FAILED;
5367         }
5368
5369         while (segments && rval == QLA_SUCCESS) {
5370                 /* Read segment's load information. */
5371                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5372
5373                 risc_addr = be32_to_cpu(dcode[2]);
5374                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5375                 risc_size = be32_to_cpu(dcode[3]);
5376
5377                 fragment = 0;
5378                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5379                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5380                         if (dlen > risc_size)
5381                                 dlen = risc_size;
5382
5383                         ql_dbg(ql_dbg_init, vha, 0x008e,
5384                             "Loading risc segment@ risc addr %x "
5385                             "number of dwords 0x%x offset 0x%x.\n",
5386                             risc_addr, dlen, faddr);
5387
5388                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5389                         for (i = 0; i < dlen; i++)
5390                                 dcode[i] = swab32(dcode[i]);
5391
5392                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5393                             dlen);
5394                         if (rval) {
5395                                 ql_log(ql_log_fatal, vha, 0x008f,
5396                                     "Failed to load segment %d of firmware.\n",
5397                                     fragment);
5398                                 return QLA_FUNCTION_FAILED;
5399                         }
5400
5401                         faddr += dlen;
5402                         risc_addr += dlen;
5403                         risc_size -= dlen;
5404                         fragment++;
5405                 }
5406
5407                 /* Next segment. */
5408                 segments--;
5409         }
5410
5411         if (!IS_QLA27XX(ha))
5412                 return rval;
5413
5414         if (ha->fw_dump_template)
5415                 vfree(ha->fw_dump_template);
5416         ha->fw_dump_template = NULL;
5417         ha->fw_dump_template_len = 0;
5418
5419         ql_dbg(ql_dbg_init, vha, 0x0161,
5420             "Loading fwdump template from %x\n", faddr);
5421         qla24xx_read_flash_data(vha, dcode, faddr, 7);
5422         risc_size = be32_to_cpu(dcode[2]);
5423         ql_dbg(ql_dbg_init, vha, 0x0162,
5424             "-> array size %x dwords\n", risc_size);
5425         if (risc_size == 0 || risc_size == ~0)
5426                 goto default_template;
5427
5428         dlen = (risc_size - 8) * sizeof(*dcode);
5429         ql_dbg(ql_dbg_init, vha, 0x0163,
5430             "-> template allocating %x bytes...\n", dlen);
5431         ha->fw_dump_template = vmalloc(dlen);
5432         if (!ha->fw_dump_template) {
5433                 ql_log(ql_log_warn, vha, 0x0164,
5434                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5435                 goto default_template;
5436         }
5437
5438         faddr += 7;
5439         risc_size -= 8;
5440         dcode = ha->fw_dump_template;
5441         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
5442         for (i = 0; i < risc_size; i++)
5443                 dcode[i] = le32_to_cpu(dcode[i]);
5444
5445         if (!qla27xx_fwdt_template_valid(dcode)) {
5446                 ql_log(ql_log_warn, vha, 0x0165,
5447                     "Failed fwdump template validate\n");
5448                 goto default_template;
5449         }
5450
5451         dlen = qla27xx_fwdt_template_size(dcode);
5452         ql_dbg(ql_dbg_init, vha, 0x0166,
5453             "-> template size %x bytes\n", dlen);
5454         if (dlen > risc_size * sizeof(*dcode)) {
5455                 ql_log(ql_log_warn, vha, 0x0167,
5456                     "Failed fwdump template exceeds array by %x bytes\n",
5457                     (uint32_t)(dlen - risc_size * sizeof(*dcode)));
5458                 goto default_template;
5459         }
5460         ha->fw_dump_template_len = dlen;
5461         return rval;
5462
5463 default_template:
5464         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
5465         if (ha->fw_dump_template)
5466                 vfree(ha->fw_dump_template);
5467         ha->fw_dump_template = NULL;
5468         ha->fw_dump_template_len = 0;
5469
5470         dlen = qla27xx_fwdt_template_default_size();
5471         ql_dbg(ql_dbg_init, vha, 0x0169,
5472             "-> template allocating %x bytes...\n", dlen);
5473         ha->fw_dump_template = vmalloc(dlen);
5474         if (!ha->fw_dump_template) {
5475                 ql_log(ql_log_warn, vha, 0x016a,
5476                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5477                 goto failed_template;
5478         }
5479
5480         dcode = ha->fw_dump_template;
5481         risc_size = dlen / sizeof(*dcode);
5482         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
5483         for (i = 0; i < risc_size; i++)
5484                 dcode[i] = be32_to_cpu(dcode[i]);
5485
5486         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5487                 ql_log(ql_log_warn, vha, 0x016b,
5488                     "Failed fwdump template validate\n");
5489                 goto failed_template;
5490         }
5491
5492         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5493         ql_dbg(ql_dbg_init, vha, 0x016c,
5494             "-> template size %x bytes\n", dlen);
5495         ha->fw_dump_template_len = dlen;
5496         return rval;
5497
5498 failed_template:
5499         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
5500         if (ha->fw_dump_template)
5501                 vfree(ha->fw_dump_template);
5502         ha->fw_dump_template = NULL;
5503         ha->fw_dump_template_len = 0;
5504         return rval;
5505 }
5506
5507 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5508
5509 int
5510 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5511 {
5512         int     rval;
5513         int     i, fragment;
5514         uint16_t *wcode, *fwcode;
5515         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5516         struct fw_blob *blob;
5517         struct qla_hw_data *ha = vha->hw;
5518         struct req_que *req = ha->req_q_map[0];
5519
5520         /* Load firmware blob. */
5521         blob = qla2x00_request_firmware(vha);
5522         if (!blob) {
5523                 ql_log(ql_log_info, vha, 0x0083,
5524                     "Firmware image unavailable.\n");
5525                 ql_log(ql_log_info, vha, 0x0084,
5526                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5527                 return QLA_FUNCTION_FAILED;
5528         }
5529
5530         rval = QLA_SUCCESS;
5531
5532         wcode = (uint16_t *)req->ring;
5533         *srisc_addr = 0;
5534         fwcode = (uint16_t *)blob->fw->data;
5535         fwclen = 0;
5536
5537         /* Validate firmware image by checking version. */
5538         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5539                 ql_log(ql_log_fatal, vha, 0x0085,
5540                     "Unable to verify integrity of firmware image (%Zd).\n",
5541                     blob->fw->size);
5542                 goto fail_fw_integrity;
5543         }
5544         for (i = 0; i < 4; i++)
5545                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5546         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5547             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5548                 wcode[2] == 0 && wcode[3] == 0)) {
5549                 ql_log(ql_log_fatal, vha, 0x0086,
5550                     "Unable to verify integrity of firmware image.\n");
5551                 ql_log(ql_log_fatal, vha, 0x0087,
5552                     "Firmware data: %04x %04x %04x %04x.\n",
5553                     wcode[0], wcode[1], wcode[2], wcode[3]);
5554                 goto fail_fw_integrity;
5555         }
5556
5557         seg = blob->segs;
5558         while (*seg && rval == QLA_SUCCESS) {
5559                 risc_addr = *seg;
5560                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5561                 risc_size = be16_to_cpu(fwcode[3]);
5562
5563                 /* Validate firmware image size. */
5564                 fwclen += risc_size * sizeof(uint16_t);
5565                 if (blob->fw->size < fwclen) {
5566                         ql_log(ql_log_fatal, vha, 0x0088,
5567                             "Unable to verify integrity of firmware image "
5568                             "(%Zd).\n", blob->fw->size);
5569                         goto fail_fw_integrity;
5570                 }
5571
5572                 fragment = 0;
5573                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5574                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5575                         if (wlen > risc_size)
5576                                 wlen = risc_size;
5577                         ql_dbg(ql_dbg_init, vha, 0x0089,
5578                             "Loading risc segment@ risc addr %x number of "
5579                             "words 0x%x.\n", risc_addr, wlen);
5580
5581                         for (i = 0; i < wlen; i++)
5582                                 wcode[i] = swab16(fwcode[i]);
5583
5584                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5585                             wlen);
5586                         if (rval) {
5587                                 ql_log(ql_log_fatal, vha, 0x008a,
5588                                     "Failed to load segment %d of firmware.\n",
5589                                     fragment);
5590                                 break;
5591                         }
5592
5593                         fwcode += wlen;
5594                         risc_addr += wlen;
5595                         risc_size -= wlen;
5596                         fragment++;
5597                 }
5598
5599                 /* Next segment. */
5600                 seg++;
5601         }
5602         return rval;
5603
5604 fail_fw_integrity:
5605         return QLA_FUNCTION_FAILED;
5606 }
5607
5608 static int
5609 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5610 {
5611         int     rval;
5612         int     segments, fragment;
5613         uint32_t *dcode, dlen;
5614         uint32_t risc_addr;
5615         uint32_t risc_size;
5616         uint32_t i;
5617         struct fw_blob *blob;
5618         const uint32_t *fwcode;
5619         uint32_t fwclen;
5620         struct qla_hw_data *ha = vha->hw;
5621         struct req_que *req = ha->req_q_map[0];
5622
5623         /* Load firmware blob. */
5624         blob = qla2x00_request_firmware(vha);
5625         if (!blob) {
5626                 ql_log(ql_log_warn, vha, 0x0090,
5627                     "Firmware image unavailable.\n");
5628                 ql_log(ql_log_warn, vha, 0x0091,
5629                     "Firmware images can be retrieved from: "
5630                     QLA_FW_URL ".\n");
5631
5632                 return QLA_FUNCTION_FAILED;
5633         }
5634
5635         ql_dbg(ql_dbg_init, vha, 0x0092,
5636             "FW: Loading via request-firmware.\n");
5637
5638         rval = QLA_SUCCESS;
5639
5640         segments = FA_RISC_CODE_SEGMENTS;
5641         dcode = (uint32_t *)req->ring;
5642         *srisc_addr = 0;
5643         fwcode = (uint32_t *)blob->fw->data;
5644         fwclen = 0;
5645
5646         /* Validate firmware image by checking version. */
5647         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5648                 ql_log(ql_log_fatal, vha, 0x0093,
5649                     "Unable to verify integrity of firmware image (%Zd).\n",
5650                     blob->fw->size);
5651                 return QLA_FUNCTION_FAILED;
5652         }
5653         for (i = 0; i < 4; i++)
5654                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5655         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5656             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5657             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5658                 dcode[3] == 0)) {
5659                 ql_log(ql_log_fatal, vha, 0x0094,
5660                     "Unable to verify integrity of firmware image (%Zd).\n",
5661                     blob->fw->size);
5662                 ql_log(ql_log_fatal, vha, 0x0095,
5663                     "Firmware data: %08x %08x %08x %08x.\n",
5664                     dcode[0], dcode[1], dcode[2], dcode[3]);
5665                 return QLA_FUNCTION_FAILED;
5666         }
5667
5668         while (segments && rval == QLA_SUCCESS) {
5669                 risc_addr = be32_to_cpu(fwcode[2]);
5670                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5671                 risc_size = be32_to_cpu(fwcode[3]);
5672
5673                 /* Validate firmware image size. */
5674                 fwclen += risc_size * sizeof(uint32_t);
5675                 if (blob->fw->size < fwclen) {
5676                         ql_log(ql_log_fatal, vha, 0x0096,
5677                             "Unable to verify integrity of firmware image "
5678                             "(%Zd).\n", blob->fw->size);
5679                         return QLA_FUNCTION_FAILED;
5680                 }
5681
5682                 fragment = 0;
5683                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5684                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5685                         if (dlen > risc_size)
5686                                 dlen = risc_size;
5687
5688                         ql_dbg(ql_dbg_init, vha, 0x0097,
5689                             "Loading risc segment@ risc addr %x "
5690                             "number of dwords 0x%x.\n", risc_addr, dlen);
5691
5692                         for (i = 0; i < dlen; i++)
5693                                 dcode[i] = swab32(fwcode[i]);
5694
5695                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5696                             dlen);
5697                         if (rval) {
5698                                 ql_log(ql_log_fatal, vha, 0x0098,
5699                                     "Failed to load segment %d of firmware.\n",
5700                                     fragment);
5701                                 return QLA_FUNCTION_FAILED;
5702                         }
5703
5704                         fwcode += dlen;
5705                         risc_addr += dlen;
5706                         risc_size -= dlen;
5707                         fragment++;
5708                 }
5709
5710                 /* Next segment. */
5711                 segments--;
5712         }
5713
5714         if (!IS_QLA27XX(ha))
5715                 return rval;
5716
5717         if (ha->fw_dump_template)
5718                 vfree(ha->fw_dump_template);
5719         ha->fw_dump_template = NULL;
5720         ha->fw_dump_template_len = 0;
5721
5722         ql_dbg(ql_dbg_init, vha, 0x171,
5723             "Loading fwdump template from %x\n",
5724             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
5725         risc_size = be32_to_cpu(fwcode[2]);
5726         ql_dbg(ql_dbg_init, vha, 0x172,
5727             "-> array size %x dwords\n", risc_size);
5728         if (risc_size == 0 || risc_size == ~0)
5729                 goto default_template;
5730
5731         dlen = (risc_size - 8) * sizeof(*fwcode);
5732         ql_dbg(ql_dbg_init, vha, 0x0173,
5733             "-> template allocating %x bytes...\n", dlen);
5734         ha->fw_dump_template = vmalloc(dlen);
5735         if (!ha->fw_dump_template) {
5736                 ql_log(ql_log_warn, vha, 0x0174,
5737                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5738                 goto default_template;
5739         }
5740
5741         fwcode += 7;
5742         risc_size -= 8;
5743         dcode = ha->fw_dump_template;
5744         for (i = 0; i < risc_size; i++)
5745                 dcode[i] = le32_to_cpu(fwcode[i]);
5746
5747         if (!qla27xx_fwdt_template_valid(dcode)) {
5748                 ql_log(ql_log_warn, vha, 0x0175,
5749                     "Failed fwdump template validate\n");
5750                 goto default_template;
5751         }
5752
5753         dlen = qla27xx_fwdt_template_size(dcode);
5754         ql_dbg(ql_dbg_init, vha, 0x0176,
5755             "-> template size %x bytes\n", dlen);
5756         if (dlen > risc_size * sizeof(*fwcode)) {
5757                 ql_log(ql_log_warn, vha, 0x0177,
5758                     "Failed fwdump template exceeds array by %x bytes\n",
5759                     (uint32_t)(dlen - risc_size * sizeof(*fwcode)));
5760                 goto default_template;
5761         }
5762         ha->fw_dump_template_len = dlen;
5763         return rval;
5764
5765 default_template:
5766         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
5767         if (ha->fw_dump_template)
5768                 vfree(ha->fw_dump_template);
5769         ha->fw_dump_template = NULL;
5770         ha->fw_dump_template_len = 0;
5771
5772         dlen = qla27xx_fwdt_template_default_size();
5773         ql_dbg(ql_dbg_init, vha, 0x0179,
5774             "-> template allocating %x bytes...\n", dlen);
5775         ha->fw_dump_template = vmalloc(dlen);
5776         if (!ha->fw_dump_template) {
5777                 ql_log(ql_log_warn, vha, 0x017a,
5778                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5779                 goto failed_template;
5780         }
5781
5782         dcode = ha->fw_dump_template;
5783         risc_size = dlen / sizeof(*fwcode);
5784         fwcode = qla27xx_fwdt_template_default();
5785         for (i = 0; i < risc_size; i++)
5786                 dcode[i] = be32_to_cpu(fwcode[i]);
5787
5788         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5789                 ql_log(ql_log_warn, vha, 0x017b,
5790                     "Failed fwdump template validate\n");
5791                 goto failed_template;
5792         }
5793
5794         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5795         ql_dbg(ql_dbg_init, vha, 0x017c,
5796             "-> template size %x bytes\n", dlen);
5797         ha->fw_dump_template_len = dlen;
5798         return rval;
5799
5800 failed_template:
5801         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
5802         if (ha->fw_dump_template)
5803                 vfree(ha->fw_dump_template);
5804         ha->fw_dump_template = NULL;
5805         ha->fw_dump_template_len = 0;
5806         return rval;
5807 }
5808
5809 int
5810 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5811 {
5812         int rval;
5813
5814         if (ql2xfwloadbin == 1)
5815                 return qla81xx_load_risc(vha, srisc_addr);
5816
5817         /*
5818          * FW Load priority:
5819          * 1) Firmware via request-firmware interface (.bin file).
5820          * 2) Firmware residing in flash.
5821          */
5822         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5823         if (rval == QLA_SUCCESS)
5824                 return rval;
5825
5826         return qla24xx_load_risc_flash(vha, srisc_addr,
5827             vha->hw->flt_region_fw);
5828 }
5829
5830 int
5831 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5832 {
5833         int rval;
5834         struct qla_hw_data *ha = vha->hw;
5835
5836         if (ql2xfwloadbin == 2)
5837                 goto try_blob_fw;
5838
5839         /*
5840          * FW Load priority:
5841          * 1) Firmware residing in flash.
5842          * 2) Firmware via request-firmware interface (.bin file).
5843          * 3) Golden-Firmware residing in flash -- limited operation.
5844          */
5845         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5846         if (rval == QLA_SUCCESS)
5847                 return rval;
5848
5849 try_blob_fw:
5850         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5851         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5852                 return rval;
5853
5854         ql_log(ql_log_info, vha, 0x0099,
5855             "Attempting to fallback to golden firmware.\n");
5856         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5857         if (rval != QLA_SUCCESS)
5858                 return rval;
5859
5860         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5861         ha->flags.running_gold_fw = 1;
5862         return rval;
5863 }
5864
5865 void
5866 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5867 {
5868         int ret, retries;
5869         struct qla_hw_data *ha = vha->hw;
5870
5871         if (ha->flags.pci_channel_io_perm_failure)
5872                 return;
5873         if (!IS_FWI2_CAPABLE(ha))
5874                 return;
5875         if (!ha->fw_major_version)
5876                 return;
5877
5878         ret = qla2x00_stop_firmware(vha);
5879         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5880             ret != QLA_INVALID_COMMAND && retries ; retries--) {
5881                 ha->isp_ops->reset_chip(vha);
5882                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5883                         continue;
5884                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5885                         continue;
5886                 ql_log(ql_log_info, vha, 0x8015,
5887                     "Attempting retry of stop-firmware command.\n");
5888                 ret = qla2x00_stop_firmware(vha);
5889         }
5890 }
5891
5892 int
5893 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5894 {
5895         int rval = QLA_SUCCESS;
5896         int rval2;
5897         uint16_t mb[MAILBOX_REGISTER_COUNT];
5898         struct qla_hw_data *ha = vha->hw;
5899         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5900         struct req_que *req;
5901         struct rsp_que *rsp;
5902
5903         if (!vha->vp_idx)
5904                 return -EINVAL;
5905
5906         rval = qla2x00_fw_ready(base_vha);
5907         if (ha->flags.cpu_affinity_enabled)
5908                 req = ha->req_q_map[0];
5909         else
5910                 req = vha->req;
5911         rsp = req->rsp;
5912
5913         if (rval == QLA_SUCCESS) {
5914                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5915                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5916         }
5917
5918         vha->flags.management_server_logged_in = 0;
5919
5920         /* Login to SNS first */
5921         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5922             BIT_1);
5923         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5924                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5925                         ql_dbg(ql_dbg_init, vha, 0x0120,
5926                             "Failed SNS login: loop_id=%x, rval2=%d\n",
5927                             NPH_SNS, rval2);
5928                 else
5929                         ql_dbg(ql_dbg_init, vha, 0x0103,
5930                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5931                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5932                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5933                 return (QLA_FUNCTION_FAILED);
5934         }
5935
5936         atomic_set(&vha->loop_down_timer, 0);
5937         atomic_set(&vha->loop_state, LOOP_UP);
5938         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5939         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5940         rval = qla2x00_loop_resync(base_vha);
5941
5942         return rval;
5943 }
5944
5945 /* 84XX Support **************************************************************/
5946
5947 static LIST_HEAD(qla_cs84xx_list);
5948 static DEFINE_MUTEX(qla_cs84xx_mutex);
5949
5950 static struct qla_chip_state_84xx *
5951 qla84xx_get_chip(struct scsi_qla_host *vha)
5952 {
5953         struct qla_chip_state_84xx *cs84xx;
5954         struct qla_hw_data *ha = vha->hw;
5955
5956         mutex_lock(&qla_cs84xx_mutex);
5957
5958         /* Find any shared 84xx chip. */
5959         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5960                 if (cs84xx->bus == ha->pdev->bus) {
5961                         kref_get(&cs84xx->kref);
5962                         goto done;
5963                 }
5964         }
5965
5966         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5967         if (!cs84xx)
5968                 goto done;
5969
5970         kref_init(&cs84xx->kref);
5971         spin_lock_init(&cs84xx->access_lock);
5972         mutex_init(&cs84xx->fw_update_mutex);
5973         cs84xx->bus = ha->pdev->bus;
5974
5975         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5976 done:
5977         mutex_unlock(&qla_cs84xx_mutex);
5978         return cs84xx;
5979 }
5980
5981 static void
5982 __qla84xx_chip_release(struct kref *kref)
5983 {
5984         struct qla_chip_state_84xx *cs84xx =
5985             container_of(kref, struct qla_chip_state_84xx, kref);
5986
5987         mutex_lock(&qla_cs84xx_mutex);
5988         list_del(&cs84xx->list);
5989         mutex_unlock(&qla_cs84xx_mutex);
5990         kfree(cs84xx);
5991 }
5992
5993 void
5994 qla84xx_put_chip(struct scsi_qla_host *vha)
5995 {
5996         struct qla_hw_data *ha = vha->hw;
5997         if (ha->cs84xx)
5998                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5999 }
6000
6001 static int
6002 qla84xx_init_chip(scsi_qla_host_t *vha)
6003 {
6004         int rval;
6005         uint16_t status[2];
6006         struct qla_hw_data *ha = vha->hw;
6007
6008         mutex_lock(&ha->cs84xx->fw_update_mutex);
6009
6010         rval = qla84xx_verify_chip(vha, status);
6011
6012         mutex_unlock(&ha->cs84xx->fw_update_mutex);
6013
6014         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
6015             QLA_SUCCESS;
6016 }
6017
6018 /* 81XX Support **************************************************************/
6019
6020 int
6021 qla81xx_nvram_config(scsi_qla_host_t *vha)
6022 {
6023         int   rval;
6024         struct init_cb_81xx *icb;
6025         struct nvram_81xx *nv;
6026         uint32_t *dptr;
6027         uint8_t  *dptr1, *dptr2;
6028         uint32_t chksum;
6029         uint16_t cnt;
6030         struct qla_hw_data *ha = vha->hw;
6031
6032         rval = QLA_SUCCESS;
6033         icb = (struct init_cb_81xx *)ha->init_cb;
6034         nv = ha->nvram;
6035
6036         /* Determine NVRAM starting address. */
6037         ha->nvram_size = sizeof(struct nvram_81xx);
6038         ha->vpd_size = FA_NVRAM_VPD_SIZE;
6039         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
6040                 ha->vpd_size = FA_VPD_SIZE_82XX;
6041
6042         /* Get VPD data into cache */
6043         ha->vpd = ha->nvram + VPD_OFFSET;
6044         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
6045             ha->vpd_size);
6046
6047         /* Get NVRAM data into cache and calculate checksum. */
6048         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
6049             ha->nvram_size);
6050         dptr = (uint32_t *)nv;
6051         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
6052                 chksum += le32_to_cpu(*dptr++);
6053
6054         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
6055             "Contents of NVRAM:\n");
6056         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
6057             (uint8_t *)nv, ha->nvram_size);
6058
6059         /* Bad NVRAM data, set defaults parameters. */
6060         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
6061             || nv->id[3] != ' ' ||
6062             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
6063                 /* Reset NVRAM data. */
6064                 ql_log(ql_log_info, vha, 0x0073,
6065                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
6066                     "version=0x%x.\n", chksum, nv->id[0],
6067                     le16_to_cpu(nv->nvram_version));
6068                 ql_log(ql_log_info, vha, 0x0074,
6069                     "Falling back to functioning (yet invalid -- WWPN) "
6070                     "defaults.\n");
6071
6072                 /*
6073                  * Set default initialization control block.
6074                  */
6075                 memset(nv, 0, ha->nvram_size);
6076                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
6077                 nv->version = cpu_to_le16(ICB_VERSION);
6078                 nv->frame_payload_size = 2048;
6079                 nv->execution_throttle = cpu_to_le16(0xFFFF);
6080                 nv->exchange_count = cpu_to_le16(0);
6081                 nv->port_name[0] = 0x21;
6082                 nv->port_name[1] = 0x00 + ha->port_no + 1;
6083                 nv->port_name[2] = 0x00;
6084                 nv->port_name[3] = 0xe0;
6085                 nv->port_name[4] = 0x8b;
6086                 nv->port_name[5] = 0x1c;
6087                 nv->port_name[6] = 0x55;
6088                 nv->port_name[7] = 0x86;
6089                 nv->node_name[0] = 0x20;
6090                 nv->node_name[1] = 0x00;
6091                 nv->node_name[2] = 0x00;
6092                 nv->node_name[3] = 0xe0;
6093                 nv->node_name[4] = 0x8b;
6094                 nv->node_name[5] = 0x1c;
6095                 nv->node_name[6] = 0x55;
6096                 nv->node_name[7] = 0x86;
6097                 nv->login_retry_count = cpu_to_le16(8);
6098                 nv->interrupt_delay_timer = cpu_to_le16(0);
6099                 nv->login_timeout = cpu_to_le16(0);
6100                 nv->firmware_options_1 =
6101                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
6102                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
6103                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
6104                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
6105                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
6106                 nv->efi_parameters = cpu_to_le32(0);
6107                 nv->reset_delay = 5;
6108                 nv->max_luns_per_target = cpu_to_le16(128);
6109                 nv->port_down_retry_count = cpu_to_le16(30);
6110                 nv->link_down_timeout = cpu_to_le16(180);
6111                 nv->enode_mac[0] = 0x00;
6112                 nv->enode_mac[1] = 0xC0;
6113                 nv->enode_mac[2] = 0xDD;
6114                 nv->enode_mac[3] = 0x04;
6115                 nv->enode_mac[4] = 0x05;
6116                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
6117
6118                 rval = 1;
6119         }
6120
6121         if (IS_T10_PI_CAPABLE(ha))
6122                 nv->frame_payload_size &= ~7;
6123
6124         qlt_81xx_config_nvram_stage1(vha, nv);
6125
6126         /* Reset Initialization control block */
6127         memset(icb, 0, ha->init_cb_size);
6128
6129         /* Copy 1st segment. */
6130         dptr1 = (uint8_t *)icb;
6131         dptr2 = (uint8_t *)&nv->version;
6132         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
6133         while (cnt--)
6134                 *dptr1++ = *dptr2++;
6135
6136         icb->login_retry_count = nv->login_retry_count;
6137
6138         /* Copy 2nd segment. */
6139         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
6140         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
6141         cnt = (uint8_t *)&icb->reserved_5 -
6142             (uint8_t *)&icb->interrupt_delay_timer;
6143         while (cnt--)
6144                 *dptr1++ = *dptr2++;
6145
6146         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
6147         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
6148         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
6149                 icb->enode_mac[0] = 0x00;
6150                 icb->enode_mac[1] = 0xC0;
6151                 icb->enode_mac[2] = 0xDD;
6152                 icb->enode_mac[3] = 0x04;
6153                 icb->enode_mac[4] = 0x05;
6154                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
6155         }
6156
6157         /* Use extended-initialization control block. */
6158         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
6159
6160         /*
6161          * Setup driver NVRAM options.
6162          */
6163         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6164             "QLE8XXX");
6165
6166         qlt_81xx_config_nvram_stage2(vha, icb);
6167
6168         /* Use alternate WWN? */
6169         if (nv->host_p & cpu_to_le32(BIT_15)) {
6170                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6171                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6172         }
6173
6174         /* Prepare nodename */
6175         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
6176                 /*
6177                  * Firmware will apply the following mask if the nodename was
6178                  * not provided.
6179                  */
6180                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6181                 icb->node_name[0] &= 0xF0;
6182         }
6183
6184         /* Set host adapter parameters. */
6185         ha->flags.disable_risc_code_load = 0;
6186         ha->flags.enable_lip_reset = 0;
6187         ha->flags.enable_lip_full_login =
6188             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6189         ha->flags.enable_target_reset =
6190             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6191         ha->flags.enable_led_scheme = 0;
6192         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6193
6194         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6195             (BIT_6 | BIT_5 | BIT_4)) >> 4;
6196
6197         /* save HBA serial number */
6198         ha->serial0 = icb->port_name[5];
6199         ha->serial1 = icb->port_name[6];
6200         ha->serial2 = icb->port_name[7];
6201         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6202         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6203
6204         icb->execution_throttle = cpu_to_le16(0xFFFF);
6205
6206         ha->retry_count = le16_to_cpu(nv->login_retry_count);
6207
6208         /* Set minimum login_timeout to 4 seconds. */
6209         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6210                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6211         if (le16_to_cpu(nv->login_timeout) < 4)
6212                 nv->login_timeout = cpu_to_le16(4);
6213         ha->login_timeout = le16_to_cpu(nv->login_timeout);
6214         icb->login_timeout = nv->login_timeout;
6215
6216         /* Set minimum RATOV to 100 tenths of a second. */
6217         ha->r_a_tov = 100;
6218
6219         ha->loop_reset_delay = nv->reset_delay;
6220
6221         /* Link Down Timeout = 0:
6222          *
6223          *      When Port Down timer expires we will start returning
6224          *      I/O's to OS with "DID_NO_CONNECT".
6225          *
6226          * Link Down Timeout != 0:
6227          *
6228          *       The driver waits for the link to come up after link down
6229          *       before returning I/Os to OS with "DID_NO_CONNECT".
6230          */
6231         if (le16_to_cpu(nv->link_down_timeout) == 0) {
6232                 ha->loop_down_abort_time =
6233                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6234         } else {
6235                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
6236                 ha->loop_down_abort_time =
6237                     (LOOP_DOWN_TIME - ha->link_down_timeout);
6238         }
6239
6240         /* Need enough time to try and get the port back. */
6241         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6242         if (qlport_down_retry)
6243                 ha->port_down_retry_count = qlport_down_retry;
6244
6245         /* Set login_retry_count */
6246         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6247         if (ha->port_down_retry_count ==
6248             le16_to_cpu(nv->port_down_retry_count) &&
6249             ha->port_down_retry_count > 3)
6250                 ha->login_retry_count = ha->port_down_retry_count;
6251         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6252                 ha->login_retry_count = ha->port_down_retry_count;
6253         if (ql2xloginretrycount)
6254                 ha->login_retry_count = ql2xloginretrycount;
6255
6256         /* if not running MSI-X we need handshaking on interrupts */
6257         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
6258                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
6259
6260         /* Enable ZIO. */
6261         if (!vha->flags.init_done) {
6262                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6263                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6264                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6265                     le16_to_cpu(icb->interrupt_delay_timer): 2;
6266         }
6267         icb->firmware_options_2 &= cpu_to_le32(
6268             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6269         vha->flags.process_response_queue = 0;
6270         if (ha->zio_mode != QLA_ZIO_DISABLED) {
6271                 ha->zio_mode = QLA_ZIO_MODE_6;
6272
6273                 ql_log(ql_log_info, vha, 0x0075,
6274                     "ZIO mode %d enabled; timer delay (%d us).\n",
6275                     ha->zio_mode,
6276                     ha->zio_timer * 100);
6277
6278                 icb->firmware_options_2 |= cpu_to_le32(
6279                     (uint32_t)ha->zio_mode);
6280                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6281                 vha->flags.process_response_queue = 1;
6282         }
6283
6284         if (rval) {
6285                 ql_log(ql_log_warn, vha, 0x0076,
6286                     "NVRAM configuration failed.\n");
6287         }
6288         return (rval);
6289 }
6290
6291 int
6292 qla82xx_restart_isp(scsi_qla_host_t *vha)
6293 {
6294         int status, rval;
6295         struct qla_hw_data *ha = vha->hw;
6296         struct req_que *req = ha->req_q_map[0];
6297         struct rsp_que *rsp = ha->rsp_q_map[0];
6298         struct scsi_qla_host *vp;
6299         unsigned long flags;
6300
6301         status = qla2x00_init_rings(vha);
6302         if (!status) {
6303                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6304                 ha->flags.chip_reset_done = 1;
6305
6306                 status = qla2x00_fw_ready(vha);
6307                 if (!status) {
6308                         /* Issue a marker after FW becomes ready. */
6309                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6310                         vha->flags.online = 1;
6311                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6312                 }
6313
6314                 /* if no cable then assume it's good */
6315                 if ((vha->device_flags & DFLG_NO_CABLE))
6316                         status = 0;
6317         }
6318
6319         if (!status) {
6320                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6321
6322                 if (!atomic_read(&vha->loop_down_timer)) {
6323                         /*
6324                          * Issue marker command only when we are going
6325                          * to start the I/O .
6326                          */
6327                         vha->marker_needed = 1;
6328                 }
6329
6330                 ha->isp_ops->enable_intrs(ha);
6331
6332                 ha->isp_abort_cnt = 0;
6333                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6334
6335                 /* Update the firmware version */
6336                 status = qla82xx_check_md_needed(vha);
6337
6338                 if (ha->fce) {
6339                         ha->flags.fce_enabled = 1;
6340                         memset(ha->fce, 0,
6341                             fce_calc_size(ha->fce_bufs));
6342                         rval = qla2x00_enable_fce_trace(vha,
6343                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6344                             &ha->fce_bufs);
6345                         if (rval) {
6346                                 ql_log(ql_log_warn, vha, 0x8001,
6347                                     "Unable to reinitialize FCE (%d).\n",
6348                                     rval);
6349                                 ha->flags.fce_enabled = 0;
6350                         }
6351                 }
6352
6353                 if (ha->eft) {
6354                         memset(ha->eft, 0, EFT_SIZE);
6355                         rval = qla2x00_enable_eft_trace(vha,
6356                             ha->eft_dma, EFT_NUM_BUFFERS);
6357                         if (rval) {
6358                                 ql_log(ql_log_warn, vha, 0x8010,
6359                                     "Unable to reinitialize EFT (%d).\n",
6360                                     rval);
6361                         }
6362                 }
6363         }
6364
6365         if (!status) {
6366                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
6367                     "qla82xx_restart_isp succeeded.\n");
6368
6369                 spin_lock_irqsave(&ha->vport_slock, flags);
6370                 list_for_each_entry(vp, &ha->vp_list, list) {
6371                         if (vp->vp_idx) {
6372                                 atomic_inc(&vp->vref_count);
6373                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6374
6375                                 qla2x00_vp_abort_isp(vp);
6376
6377                                 spin_lock_irqsave(&ha->vport_slock, flags);
6378                                 atomic_dec(&vp->vref_count);
6379                         }
6380                 }
6381                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6382
6383         } else {
6384                 ql_log(ql_log_warn, vha, 0x8016,
6385                     "qla82xx_restart_isp **** FAILED ****.\n");
6386         }
6387
6388         return status;
6389 }
6390
6391 void
6392 qla81xx_update_fw_options(scsi_qla_host_t *vha)
6393 {
6394         struct qla_hw_data *ha = vha->hw;
6395
6396         if (!ql2xetsenable)
6397                 return;
6398
6399         /* Enable ETS Burst. */
6400         memset(ha->fw_options, 0, sizeof(ha->fw_options));
6401         ha->fw_options[2] |= BIT_9;
6402         qla2x00_set_fw_options(vha, ha->fw_options);
6403 }
6404
6405 /*
6406  * qla24xx_get_fcp_prio
6407  *      Gets the fcp cmd priority value for the logged in port.
6408  *      Looks for a match of the port descriptors within
6409  *      each of the fcp prio config entries. If a match is found,
6410  *      the tag (priority) value is returned.
6411  *
6412  * Input:
6413  *      vha = scsi host structure pointer.
6414  *      fcport = port structure pointer.
6415  *
6416  * Return:
6417  *      non-zero (if found)
6418  *      -1 (if not found)
6419  *
6420  * Context:
6421  *      Kernel context
6422  */
6423 static int
6424 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6425 {
6426         int i, entries;
6427         uint8_t pid_match, wwn_match;
6428         int priority;
6429         uint32_t pid1, pid2;
6430         uint64_t wwn1, wwn2;
6431         struct qla_fcp_prio_entry *pri_entry;
6432         struct qla_hw_data *ha = vha->hw;
6433
6434         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
6435                 return -1;
6436
6437         priority = -1;
6438         entries = ha->fcp_prio_cfg->num_entries;
6439         pri_entry = &ha->fcp_prio_cfg->entry[0];
6440
6441         for (i = 0; i < entries; i++) {
6442                 pid_match = wwn_match = 0;
6443
6444                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
6445                         pri_entry++;
6446                         continue;
6447                 }
6448
6449                 /* check source pid for a match */
6450                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
6451                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
6452                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
6453                         if (pid1 == INVALID_PORT_ID)
6454                                 pid_match++;
6455                         else if (pid1 == pid2)
6456                                 pid_match++;
6457                 }
6458
6459                 /* check destination pid for a match */
6460                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
6461                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
6462                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
6463                         if (pid1 == INVALID_PORT_ID)
6464                                 pid_match++;
6465                         else if (pid1 == pid2)
6466                                 pid_match++;
6467                 }
6468
6469                 /* check source WWN for a match */
6470                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6471                         wwn1 = wwn_to_u64(vha->port_name);
6472                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6473                         if (wwn2 == (uint64_t)-1)
6474                                 wwn_match++;
6475                         else if (wwn1 == wwn2)
6476                                 wwn_match++;
6477                 }
6478
6479                 /* check destination WWN for a match */
6480                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6481                         wwn1 = wwn_to_u64(fcport->port_name);
6482                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6483                         if (wwn2 == (uint64_t)-1)
6484                                 wwn_match++;
6485                         else if (wwn1 == wwn2)
6486                                 wwn_match++;
6487                 }
6488
6489                 if (pid_match == 2 || wwn_match == 2) {
6490                         /* Found a matching entry */
6491                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6492                                 priority = pri_entry->tag;
6493                         break;
6494                 }
6495
6496                 pri_entry++;
6497         }
6498
6499         return priority;
6500 }
6501
6502 /*
6503  * qla24xx_update_fcport_fcp_prio
6504  *      Activates fcp priority for the logged in fc port
6505  *
6506  * Input:
6507  *      vha = scsi host structure pointer.
6508  *      fcp = port structure pointer.
6509  *
6510  * Return:
6511  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6512  *
6513  * Context:
6514  *      Kernel context.
6515  */
6516 int
6517 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6518 {
6519         int ret;
6520         int priority;
6521         uint16_t mb[5];
6522
6523         if (fcport->port_type != FCT_TARGET ||
6524             fcport->loop_id == FC_NO_LOOP_ID)
6525                 return QLA_FUNCTION_FAILED;
6526
6527         priority = qla24xx_get_fcp_prio(vha, fcport);
6528         if (priority < 0)
6529                 return QLA_FUNCTION_FAILED;
6530
6531         if (IS_P3P_TYPE(vha->hw)) {
6532                 fcport->fcp_prio = priority & 0xf;
6533                 return QLA_SUCCESS;
6534         }
6535
6536         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6537         if (ret == QLA_SUCCESS) {
6538                 if (fcport->fcp_prio != priority)
6539                         ql_dbg(ql_dbg_user, vha, 0x709e,
6540                             "Updated FCP_CMND priority - value=%d loop_id=%d "
6541                             "port_id=%02x%02x%02x.\n", priority,
6542                             fcport->loop_id, fcport->d_id.b.domain,
6543                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6544                 fcport->fcp_prio = priority & 0xf;
6545         } else
6546                 ql_dbg(ql_dbg_user, vha, 0x704f,
6547                     "Unable to update FCP_CMND priority - ret=0x%x for "
6548                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6549                     fcport->d_id.b.domain, fcport->d_id.b.area,
6550                     fcport->d_id.b.al_pa);
6551         return  ret;
6552 }
6553
6554 /*
6555  * qla24xx_update_all_fcp_prio
6556  *      Activates fcp priority for all the logged in ports
6557  *
6558  * Input:
6559  *      ha = adapter block pointer.
6560  *
6561  * Return:
6562  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6563  *
6564  * Context:
6565  *      Kernel context.
6566  */
6567 int
6568 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6569 {
6570         int ret;
6571         fc_port_t *fcport;
6572
6573         ret = QLA_FUNCTION_FAILED;
6574         /* We need to set priority for all logged in ports */
6575         list_for_each_entry(fcport, &vha->vp_fcports, list)
6576                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6577
6578         return ret;
6579 }