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, d2;
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         d2 = (uint32_t) 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         d2 = 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         d2 = (uint32_t) 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         struct qla_hw_data *ha = vha->hw;
1281         uint32_t wd32 = 0;
1282         uint delta_msec = 100;
1283         uint elapsed_msec = 0;
1284         uint timeout_msec;
1285         ulong n;
1286
1287         if (!IS_QLA25XX(ha) && !IS_QLA2031(ha))
1288                 return;
1289
1290 attempt:
1291         timeout_msec = TIMEOUT_SEMAPHORE;
1292         n = timeout_msec / delta_msec;
1293         while (n--) {
1294                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
1295                 qla25xx_read_risc_sema_reg(vha, &wd32);
1296                 if (wd32 & RISC_SEMAPHORE)
1297                         break;
1298                 msleep(delta_msec);
1299                 elapsed_msec += delta_msec;
1300                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1301                         goto force;
1302         }
1303
1304         if (!(wd32 & RISC_SEMAPHORE))
1305                 goto force;
1306
1307         if (!(wd32 & RISC_SEMAPHORE_FORCE))
1308                 goto acquired;
1309
1310         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
1311         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
1312         n = timeout_msec / delta_msec;
1313         while (n--) {
1314                 qla25xx_read_risc_sema_reg(vha, &wd32);
1315                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
1316                         break;
1317                 msleep(delta_msec);
1318                 elapsed_msec += delta_msec;
1319                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1320                         goto force;
1321         }
1322
1323         if (wd32 & RISC_SEMAPHORE_FORCE)
1324                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
1325
1326         goto attempt;
1327
1328 force:
1329         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
1330
1331 acquired:
1332         return;
1333 }
1334
1335 /**
1336  * qla24xx_reset_chip() - Reset ISP24xx chip.
1337  * @ha: HA context
1338  *
1339  * Returns 0 on success.
1340  */
1341 void
1342 qla24xx_reset_chip(scsi_qla_host_t *vha)
1343 {
1344         struct qla_hw_data *ha = vha->hw;
1345
1346         if (pci_channel_offline(ha->pdev) &&
1347             ha->flags.pci_channel_io_perm_failure) {
1348                 return;
1349         }
1350
1351         ha->isp_ops->disable_intrs(ha);
1352
1353         qla25xx_manipulate_risc_semaphore(vha);
1354
1355         /* Perform RISC reset. */
1356         qla24xx_reset_risc(vha);
1357 }
1358
1359 /**
1360  * qla2x00_chip_diag() - Test chip for proper operation.
1361  * @ha: HA context
1362  *
1363  * Returns 0 on success.
1364  */
1365 int
1366 qla2x00_chip_diag(scsi_qla_host_t *vha)
1367 {
1368         int             rval;
1369         struct qla_hw_data *ha = vha->hw;
1370         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1371         unsigned long   flags = 0;
1372         uint16_t        data;
1373         uint32_t        cnt;
1374         uint16_t        mb[5];
1375         struct req_que *req = ha->req_q_map[0];
1376
1377         /* Assume a failed state */
1378         rval = QLA_FUNCTION_FAILED;
1379
1380         ql_dbg(ql_dbg_init, vha, 0x007b,
1381             "Testing device at %lx.\n", (u_long)&reg->flash_address);
1382
1383         spin_lock_irqsave(&ha->hardware_lock, flags);
1384
1385         /* Reset ISP chip. */
1386         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1387
1388         /*
1389          * We need to have a delay here since the card will not respond while
1390          * in reset causing an MCA on some architectures.
1391          */
1392         udelay(20);
1393         data = qla2x00_debounce_register(&reg->ctrl_status);
1394         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1395                 udelay(5);
1396                 data = RD_REG_WORD(&reg->ctrl_status);
1397                 barrier();
1398         }
1399
1400         if (!cnt)
1401                 goto chip_diag_failed;
1402
1403         ql_dbg(ql_dbg_init, vha, 0x007c,
1404             "Reset register cleared by chip reset.\n");
1405
1406         /* Reset RISC processor. */
1407         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1408         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1409
1410         /* Workaround for QLA2312 PCI parity error */
1411         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1412                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1413                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1414                         udelay(5);
1415                         data = RD_MAILBOX_REG(ha, reg, 0);
1416                         barrier();
1417                 }
1418         } else
1419                 udelay(10);
1420
1421         if (!cnt)
1422                 goto chip_diag_failed;
1423
1424         /* Check product ID of chip */
1425         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1426
1427         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1428         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1429         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1430         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1431         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1432             mb[3] != PROD_ID_3) {
1433                 ql_log(ql_log_warn, vha, 0x0062,
1434                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1435                     mb[1], mb[2], mb[3]);
1436
1437                 goto chip_diag_failed;
1438         }
1439         ha->product_id[0] = mb[1];
1440         ha->product_id[1] = mb[2];
1441         ha->product_id[2] = mb[3];
1442         ha->product_id[3] = mb[4];
1443
1444         /* Adjust fw RISC transfer size */
1445         if (req->length > 1024)
1446                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1447         else
1448                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1449                     req->length;
1450
1451         if (IS_QLA2200(ha) &&
1452             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1453                 /* Limit firmware transfer size with a 2200A */
1454                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1455
1456                 ha->device_type |= DT_ISP2200A;
1457                 ha->fw_transfer_size = 128;
1458         }
1459
1460         /* Wrap Incoming Mailboxes Test. */
1461         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1462
1463         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1464         rval = qla2x00_mbx_reg_test(vha);
1465         if (rval)
1466                 ql_log(ql_log_warn, vha, 0x0080,
1467                     "Failed mailbox send register test.\n");
1468         else
1469                 /* Flag a successful rval */
1470                 rval = QLA_SUCCESS;
1471         spin_lock_irqsave(&ha->hardware_lock, flags);
1472
1473 chip_diag_failed:
1474         if (rval)
1475                 ql_log(ql_log_info, vha, 0x0081,
1476                     "Chip diagnostics **** FAILED ****.\n");
1477
1478         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1479
1480         return (rval);
1481 }
1482
1483 /**
1484  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1485  * @ha: HA context
1486  *
1487  * Returns 0 on success.
1488  */
1489 int
1490 qla24xx_chip_diag(scsi_qla_host_t *vha)
1491 {
1492         int rval;
1493         struct qla_hw_data *ha = vha->hw;
1494         struct req_que *req = ha->req_q_map[0];
1495
1496         if (IS_P3P_TYPE(ha))
1497                 return QLA_SUCCESS;
1498
1499         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1500
1501         rval = qla2x00_mbx_reg_test(vha);
1502         if (rval) {
1503                 ql_log(ql_log_warn, vha, 0x0082,
1504                     "Failed mailbox send register test.\n");
1505         } else {
1506                 /* Flag a successful rval */
1507                 rval = QLA_SUCCESS;
1508         }
1509
1510         return rval;
1511 }
1512
1513 void
1514 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1515 {
1516         int rval;
1517         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1518             eft_size, fce_size, mq_size;
1519         dma_addr_t tc_dma;
1520         void *tc;
1521         struct qla_hw_data *ha = vha->hw;
1522         struct req_que *req = ha->req_q_map[0];
1523         struct rsp_que *rsp = ha->rsp_q_map[0];
1524
1525         if (ha->fw_dump) {
1526                 ql_dbg(ql_dbg_init, vha, 0x00bd,
1527                     "Firmware dump already allocated.\n");
1528                 return;
1529         }
1530
1531         ha->fw_dumped = 0;
1532         ha->fw_dump_cap_flags = 0;
1533         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1534         req_q_size = rsp_q_size = 0;
1535
1536         if (IS_QLA27XX(ha))
1537                 goto try_fce;
1538
1539         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1540                 fixed_size = sizeof(struct qla2100_fw_dump);
1541         } else if (IS_QLA23XX(ha)) {
1542                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1543                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1544                     sizeof(uint16_t);
1545         } else if (IS_FWI2_CAPABLE(ha)) {
1546                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
1547                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1548                 else if (IS_QLA81XX(ha))
1549                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1550                 else if (IS_QLA25XX(ha))
1551                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1552                 else
1553                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1554
1555                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1556                     sizeof(uint32_t);
1557                 if (ha->mqenable) {
1558                         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1559                                 mq_size = sizeof(struct qla2xxx_mq_chain);
1560                         /*
1561                          * Allocate maximum buffer size for all queues.
1562                          * Resizing must be done at end-of-dump processing.
1563                          */
1564                         mq_size += ha->max_req_queues *
1565                             (req->length * sizeof(request_t));
1566                         mq_size += ha->max_rsp_queues *
1567                             (rsp->length * sizeof(response_t));
1568                 }
1569                 if (ha->tgt.atio_ring)
1570                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
1571                 /* Allocate memory for Fibre Channel Event Buffer. */
1572                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1573                     !IS_QLA27XX(ha))
1574                         goto try_eft;
1575
1576 try_fce:
1577                 if (ha->fce)
1578                         dma_free_coherent(&ha->pdev->dev,
1579                             FCE_SIZE, ha->fce, ha->fce_dma);
1580
1581                 /* Allocate memory for Fibre Channel Event Buffer. */
1582                 tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1583                                          GFP_KERNEL);
1584                 if (!tc) {
1585                         ql_log(ql_log_warn, vha, 0x00be,
1586                             "Unable to allocate (%d KB) for FCE.\n",
1587                             FCE_SIZE / 1024);
1588                         goto try_eft;
1589                 }
1590
1591                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1592                     ha->fce_mb, &ha->fce_bufs);
1593                 if (rval) {
1594                         ql_log(ql_log_warn, vha, 0x00bf,
1595                             "Unable to initialize FCE (%d).\n", rval);
1596                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1597                             tc_dma);
1598                         ha->flags.fce_enabled = 0;
1599                         goto try_eft;
1600                 }
1601                 ql_dbg(ql_dbg_init, vha, 0x00c0,
1602                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1603
1604                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1605                 ha->flags.fce_enabled = 1;
1606                 ha->fce_dma = tc_dma;
1607                 ha->fce = tc;
1608
1609 try_eft:
1610                 if (ha->eft)
1611                         dma_free_coherent(&ha->pdev->dev,
1612                             EFT_SIZE, ha->eft, ha->eft_dma);
1613
1614                 /* Allocate memory for Extended Trace Buffer. */
1615                 tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1616                                          GFP_KERNEL);
1617                 if (!tc) {
1618                         ql_log(ql_log_warn, vha, 0x00c1,
1619                             "Unable to allocate (%d KB) for EFT.\n",
1620                             EFT_SIZE / 1024);
1621                         goto cont_alloc;
1622                 }
1623
1624                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1625                 if (rval) {
1626                         ql_log(ql_log_warn, vha, 0x00c2,
1627                             "Unable to initialize EFT (%d).\n", rval);
1628                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1629                             tc_dma);
1630                         goto cont_alloc;
1631                 }
1632                 ql_dbg(ql_dbg_init, vha, 0x00c3,
1633                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1634
1635                 eft_size = EFT_SIZE;
1636                 ha->eft_dma = tc_dma;
1637                 ha->eft = tc;
1638         }
1639
1640 cont_alloc:
1641         if (IS_QLA27XX(ha)) {
1642                 if (!ha->fw_dump_template) {
1643                         ql_log(ql_log_warn, vha, 0x00ba,
1644                             "Failed missing fwdump template\n");
1645                         return;
1646                 }
1647                 dump_size = qla27xx_fwdt_calculate_dump_size(vha);
1648                 ql_dbg(ql_dbg_init, vha, 0x00fa,
1649                     "-> allocating fwdump (%x bytes)...\n", dump_size);
1650                 goto allocate;
1651         }
1652
1653         req_q_size = req->length * sizeof(request_t);
1654         rsp_q_size = rsp->length * sizeof(response_t);
1655         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1656         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1657         ha->chain_offset = dump_size;
1658         dump_size += mq_size + fce_size;
1659
1660 allocate:
1661         ha->fw_dump = vmalloc(dump_size);
1662         if (!ha->fw_dump) {
1663                 ql_log(ql_log_warn, vha, 0x00c4,
1664                     "Unable to allocate (%d KB) for firmware dump.\n",
1665                     dump_size / 1024);
1666
1667                 if (ha->fce) {
1668                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1669                             ha->fce_dma);
1670                         ha->fce = NULL;
1671                         ha->fce_dma = 0;
1672                 }
1673
1674                 if (ha->eft) {
1675                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1676                             ha->eft_dma);
1677                         ha->eft = NULL;
1678                         ha->eft_dma = 0;
1679                 }
1680                 return;
1681         }
1682         ha->fw_dump_len = dump_size;
1683         ql_dbg(ql_dbg_init, vha, 0x00c5,
1684             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1685
1686         if (IS_QLA27XX(ha))
1687                 return;
1688
1689         ha->fw_dump->signature[0] = 'Q';
1690         ha->fw_dump->signature[1] = 'L';
1691         ha->fw_dump->signature[2] = 'G';
1692         ha->fw_dump->signature[3] = 'C';
1693         ha->fw_dump->version = __constant_htonl(1);
1694
1695         ha->fw_dump->fixed_size = htonl(fixed_size);
1696         ha->fw_dump->mem_size = htonl(mem_size);
1697         ha->fw_dump->req_q_size = htonl(req_q_size);
1698         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1699
1700         ha->fw_dump->eft_size = htonl(eft_size);
1701         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1702         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1703
1704         ha->fw_dump->header_size =
1705             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1706 }
1707
1708 static int
1709 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1710 {
1711 #define MPS_MASK        0xe0
1712         int rval;
1713         uint16_t dc;
1714         uint32_t dw;
1715
1716         if (!IS_QLA81XX(vha->hw))
1717                 return QLA_SUCCESS;
1718
1719         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1720         if (rval != QLA_SUCCESS) {
1721                 ql_log(ql_log_warn, vha, 0x0105,
1722                     "Unable to acquire semaphore.\n");
1723                 goto done;
1724         }
1725
1726         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1727         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1728         if (rval != QLA_SUCCESS) {
1729                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1730                 goto done_release;
1731         }
1732
1733         dc &= MPS_MASK;
1734         if (dc == (dw & MPS_MASK))
1735                 goto done_release;
1736
1737         dw &= ~MPS_MASK;
1738         dw |= dc;
1739         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1740         if (rval != QLA_SUCCESS) {
1741                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1742         }
1743
1744 done_release:
1745         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1746         if (rval != QLA_SUCCESS) {
1747                 ql_log(ql_log_warn, vha, 0x006d,
1748                     "Unable to release semaphore.\n");
1749         }
1750
1751 done:
1752         return rval;
1753 }
1754
1755 int
1756 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
1757 {
1758         /* Don't try to reallocate the array */
1759         if (req->outstanding_cmds)
1760                 return QLA_SUCCESS;
1761
1762         if (!IS_FWI2_CAPABLE(ha) || (ha->mqiobase &&
1763             (ql2xmultique_tag || ql2xmaxqueues > 1)))
1764                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
1765         else {
1766                 if (ha->fw_xcb_count <= ha->fw_iocb_count)
1767                         req->num_outstanding_cmds = ha->fw_xcb_count;
1768                 else
1769                         req->num_outstanding_cmds = ha->fw_iocb_count;
1770         }
1771
1772         req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1773             req->num_outstanding_cmds, GFP_KERNEL);
1774
1775         if (!req->outstanding_cmds) {
1776                 /*
1777                  * Try to allocate a minimal size just so we can get through
1778                  * initialization.
1779                  */
1780                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
1781                 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1782                     req->num_outstanding_cmds, GFP_KERNEL);
1783
1784                 if (!req->outstanding_cmds) {
1785                         ql_log(ql_log_fatal, NULL, 0x0126,
1786                             "Failed to allocate memory for "
1787                             "outstanding_cmds for req_que %p.\n", req);
1788                         req->num_outstanding_cmds = 0;
1789                         return QLA_FUNCTION_FAILED;
1790                 }
1791         }
1792
1793         return QLA_SUCCESS;
1794 }
1795
1796 /**
1797  * qla2x00_setup_chip() - Load and start RISC firmware.
1798  * @ha: HA context
1799  *
1800  * Returns 0 on success.
1801  */
1802 static int
1803 qla2x00_setup_chip(scsi_qla_host_t *vha)
1804 {
1805         int rval;
1806         uint32_t srisc_address = 0;
1807         struct qla_hw_data *ha = vha->hw;
1808         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1809         unsigned long flags;
1810         uint16_t fw_major_version;
1811
1812         if (IS_P3P_TYPE(ha)) {
1813                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1814                 if (rval == QLA_SUCCESS) {
1815                         qla2x00_stop_firmware(vha);
1816                         goto enable_82xx_npiv;
1817                 } else
1818                         goto failed;
1819         }
1820
1821         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1822                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1823                 spin_lock_irqsave(&ha->hardware_lock, flags);
1824                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1825                 RD_REG_WORD(&reg->hccr);
1826                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1827         }
1828
1829         qla81xx_mpi_sync(vha);
1830
1831         /* Load firmware sequences */
1832         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1833         if (rval == QLA_SUCCESS) {
1834                 ql_dbg(ql_dbg_init, vha, 0x00c9,
1835                     "Verifying Checksum of loaded RISC code.\n");
1836
1837                 rval = qla2x00_verify_checksum(vha, srisc_address);
1838                 if (rval == QLA_SUCCESS) {
1839                         /* Start firmware execution. */
1840                         ql_dbg(ql_dbg_init, vha, 0x00ca,
1841                             "Starting firmware.\n");
1842
1843                         rval = qla2x00_execute_fw(vha, srisc_address);
1844                         /* Retrieve firmware information. */
1845                         if (rval == QLA_SUCCESS) {
1846 enable_82xx_npiv:
1847                                 fw_major_version = ha->fw_major_version;
1848                                 if (IS_P3P_TYPE(ha))
1849                                         qla82xx_check_md_needed(vha);
1850                                 else
1851                                         rval = qla2x00_get_fw_version(vha);
1852                                 if (rval != QLA_SUCCESS)
1853                                         goto failed;
1854                                 ha->flags.npiv_supported = 0;
1855                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1856                                          (ha->fw_attributes & BIT_2)) {
1857                                         ha->flags.npiv_supported = 1;
1858                                         if ((!ha->max_npiv_vports) ||
1859                                             ((ha->max_npiv_vports + 1) %
1860                                             MIN_MULTI_ID_FABRIC))
1861                                                 ha->max_npiv_vports =
1862                                                     MIN_MULTI_ID_FABRIC - 1;
1863                                 }
1864                                 qla2x00_get_resource_cnts(vha, NULL,
1865                                     &ha->fw_xcb_count, NULL, &ha->fw_iocb_count,
1866                                     &ha->max_npiv_vports, NULL);
1867
1868                                 /*
1869                                  * Allocate the array of outstanding commands
1870                                  * now that we know the firmware resources.
1871                                  */
1872                                 rval = qla2x00_alloc_outstanding_cmds(ha,
1873                                     vha->req);
1874                                 if (rval != QLA_SUCCESS)
1875                                         goto failed;
1876
1877                                 if (!fw_major_version && ql2xallocfwdump
1878                                     && !(IS_P3P_TYPE(ha)))
1879                                         qla2x00_alloc_fw_dump(vha);
1880                         } else {
1881                                 goto failed;
1882                         }
1883                 } else {
1884                         ql_log(ql_log_fatal, vha, 0x00cd,
1885                             "ISP Firmware failed checksum.\n");
1886                         goto failed;
1887                 }
1888         } else
1889                 goto failed;
1890
1891         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1892                 /* Enable proper parity. */
1893                 spin_lock_irqsave(&ha->hardware_lock, flags);
1894                 if (IS_QLA2300(ha))
1895                         /* SRAM parity */
1896                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1897                 else
1898                         /* SRAM, Instruction RAM and GP RAM parity */
1899                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1900                 RD_REG_WORD(&reg->hccr);
1901                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1902         }
1903
1904         if (IS_QLA27XX(ha))
1905                 ha->flags.fac_supported = 1;
1906         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1907                 uint32_t size;
1908
1909                 rval = qla81xx_fac_get_sector_size(vha, &size);
1910                 if (rval == QLA_SUCCESS) {
1911                         ha->flags.fac_supported = 1;
1912                         ha->fdt_block_size = size << 2;
1913                 } else {
1914                         ql_log(ql_log_warn, vha, 0x00ce,
1915                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1916                             ha->fw_major_version, ha->fw_minor_version,
1917                             ha->fw_subminor_version);
1918
1919                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
1920                                 ha->flags.fac_supported = 0;
1921                                 rval = QLA_SUCCESS;
1922                         }
1923                 }
1924         }
1925 failed:
1926         if (rval) {
1927                 ql_log(ql_log_fatal, vha, 0x00cf,
1928                     "Setup chip ****FAILED****.\n");
1929         }
1930
1931         return (rval);
1932 }
1933
1934 /**
1935  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1936  * @ha: HA context
1937  *
1938  * Beginning of request ring has initialization control block already built
1939  * by nvram config routine.
1940  *
1941  * Returns 0 on success.
1942  */
1943 void
1944 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1945 {
1946         uint16_t cnt;
1947         response_t *pkt;
1948
1949         rsp->ring_ptr = rsp->ring;
1950         rsp->ring_index    = 0;
1951         rsp->status_srb = NULL;
1952         pkt = rsp->ring_ptr;
1953         for (cnt = 0; cnt < rsp->length; cnt++) {
1954                 pkt->signature = RESPONSE_PROCESSED;
1955                 pkt++;
1956         }
1957 }
1958
1959 /**
1960  * qla2x00_update_fw_options() - Read and process firmware options.
1961  * @ha: HA context
1962  *
1963  * Returns 0 on success.
1964  */
1965 void
1966 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1967 {
1968         uint16_t swing, emphasis, tx_sens, rx_sens;
1969         struct qla_hw_data *ha = vha->hw;
1970
1971         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1972         qla2x00_get_fw_options(vha, ha->fw_options);
1973
1974         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1975                 return;
1976
1977         /* Serial Link options. */
1978         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1979             "Serial link options.\n");
1980         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1981             (uint8_t *)&ha->fw_seriallink_options,
1982             sizeof(ha->fw_seriallink_options));
1983
1984         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1985         if (ha->fw_seriallink_options[3] & BIT_2) {
1986                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1987
1988                 /*  1G settings */
1989                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1990                 emphasis = (ha->fw_seriallink_options[2] &
1991                     (BIT_4 | BIT_3)) >> 3;
1992                 tx_sens = ha->fw_seriallink_options[0] &
1993                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1994                 rx_sens = (ha->fw_seriallink_options[0] &
1995                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1996                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1997                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1998                         if (rx_sens == 0x0)
1999                                 rx_sens = 0x3;
2000                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
2001                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2002                         ha->fw_options[10] |= BIT_5 |
2003                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2004                             (tx_sens & (BIT_1 | BIT_0));
2005
2006                 /*  2G settings */
2007                 swing = (ha->fw_seriallink_options[2] &
2008                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
2009                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
2010                 tx_sens = ha->fw_seriallink_options[1] &
2011                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2012                 rx_sens = (ha->fw_seriallink_options[1] &
2013                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
2014                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
2015                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2016                         if (rx_sens == 0x0)
2017                                 rx_sens = 0x3;
2018                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
2019                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2020                         ha->fw_options[11] |= BIT_5 |
2021                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2022                             (tx_sens & (BIT_1 | BIT_0));
2023         }
2024
2025         /* FCP2 options. */
2026         /*  Return command IOCBs without waiting for an ABTS to complete. */
2027         ha->fw_options[3] |= BIT_13;
2028
2029         /* LED scheme. */
2030         if (ha->flags.enable_led_scheme)
2031                 ha->fw_options[2] |= BIT_12;
2032
2033         /* Detect ISP6312. */
2034         if (IS_QLA6312(ha))
2035                 ha->fw_options[2] |= BIT_13;
2036
2037         /* Update firmware options. */
2038         qla2x00_set_fw_options(vha, ha->fw_options);
2039 }
2040
2041 void
2042 qla24xx_update_fw_options(scsi_qla_host_t *vha)
2043 {
2044         int rval;
2045         struct qla_hw_data *ha = vha->hw;
2046
2047         if (IS_P3P_TYPE(ha))
2048                 return;
2049
2050         /* Update Serial Link options. */
2051         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
2052                 return;
2053
2054         rval = qla2x00_set_serdes_params(vha,
2055             le16_to_cpu(ha->fw_seriallink_options24[1]),
2056             le16_to_cpu(ha->fw_seriallink_options24[2]),
2057             le16_to_cpu(ha->fw_seriallink_options24[3]));
2058         if (rval != QLA_SUCCESS) {
2059                 ql_log(ql_log_warn, vha, 0x0104,
2060                     "Unable to update Serial Link options (%x).\n", rval);
2061         }
2062 }
2063
2064 void
2065 qla2x00_config_rings(struct scsi_qla_host *vha)
2066 {
2067         struct qla_hw_data *ha = vha->hw;
2068         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2069         struct req_que *req = ha->req_q_map[0];
2070         struct rsp_que *rsp = ha->rsp_q_map[0];
2071
2072         /* Setup ring parameters in initialization control block. */
2073         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
2074         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
2075         ha->init_cb->request_q_length = cpu_to_le16(req->length);
2076         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
2077         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2078         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2079         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2080         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2081
2082         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
2083         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
2084         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
2085         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
2086         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
2087 }
2088
2089 void
2090 qla24xx_config_rings(struct scsi_qla_host *vha)
2091 {
2092         struct qla_hw_data *ha = vha->hw;
2093         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
2094         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
2095         struct qla_msix_entry *msix;
2096         struct init_cb_24xx *icb;
2097         uint16_t rid = 0;
2098         struct req_que *req = ha->req_q_map[0];
2099         struct rsp_que *rsp = ha->rsp_q_map[0];
2100
2101         /* Setup ring parameters in initialization control block. */
2102         icb = (struct init_cb_24xx *)ha->init_cb;
2103         icb->request_q_outpointer = __constant_cpu_to_le16(0);
2104         icb->response_q_inpointer = __constant_cpu_to_le16(0);
2105         icb->request_q_length = cpu_to_le16(req->length);
2106         icb->response_q_length = cpu_to_le16(rsp->length);
2107         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2108         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2109         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2110         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2111
2112         /* Setup ATIO queue dma pointers for target mode */
2113         icb->atio_q_inpointer = __constant_cpu_to_le16(0);
2114         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
2115         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
2116         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
2117
2118         if (IS_SHADOW_REG_CAPABLE(ha))
2119                 icb->firmware_options_2 |=
2120                     __constant_cpu_to_le32(BIT_30|BIT_29);
2121
2122         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2123                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
2124                 icb->rid = __constant_cpu_to_le16(rid);
2125                 if (ha->flags.msix_enabled) {
2126                         msix = &ha->msix_entries[1];
2127                         ql_dbg(ql_dbg_init, vha, 0x00fd,
2128                             "Registering vector 0x%x for base que.\n",
2129                             msix->entry);
2130                         icb->msix = cpu_to_le16(msix->entry);
2131                 }
2132                 /* Use alternate PCI bus number */
2133                 if (MSB(rid))
2134                         icb->firmware_options_2 |=
2135                                 __constant_cpu_to_le32(BIT_19);
2136                 /* Use alternate PCI devfn */
2137                 if (LSB(rid))
2138                         icb->firmware_options_2 |=
2139                                 __constant_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 &=
2145                                 __constant_cpu_to_le32(~BIT_22);
2146                         ha->flags.disable_msix_handshake = 1;
2147                         ql_dbg(ql_dbg_init, vha, 0x00fe,
2148                             "MSIX Handshake Disable Mode turned on.\n");
2149                 } else {
2150                         icb->firmware_options_2 |=
2151                                 __constant_cpu_to_le32(BIT_22);
2152                 }
2153                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
2154
2155                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
2156                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
2157                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
2158                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
2159         } else {
2160                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
2161                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
2162                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
2163                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
2164         }
2165         qlt_24xx_config_rings(vha);
2166
2167         /* PCI posting */
2168         RD_REG_DWORD(&ioreg->hccr);
2169 }
2170
2171 /**
2172  * qla2x00_init_rings() - Initializes firmware.
2173  * @ha: HA context
2174  *
2175  * Beginning of request ring has initialization control block already built
2176  * by nvram config routine.
2177  *
2178  * Returns 0 on success.
2179  */
2180 int
2181 qla2x00_init_rings(scsi_qla_host_t *vha)
2182 {
2183         int     rval;
2184         unsigned long flags = 0;
2185         int cnt, que;
2186         struct qla_hw_data *ha = vha->hw;
2187         struct req_que *req;
2188         struct rsp_que *rsp;
2189         struct mid_init_cb_24xx *mid_init_cb =
2190             (struct mid_init_cb_24xx *) ha->init_cb;
2191
2192         spin_lock_irqsave(&ha->hardware_lock, flags);
2193
2194         /* Clear outstanding commands array. */
2195         for (que = 0; que < ha->max_req_queues; que++) {
2196                 req = ha->req_q_map[que];
2197                 if (!req)
2198                         continue;
2199                 req->out_ptr = (void *)(req->ring + req->length);
2200                 *req->out_ptr = 0;
2201                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2202                         req->outstanding_cmds[cnt] = NULL;
2203
2204                 req->current_outstanding_cmd = 1;
2205
2206                 /* Initialize firmware. */
2207                 req->ring_ptr  = req->ring;
2208                 req->ring_index    = 0;
2209                 req->cnt      = req->length;
2210         }
2211
2212         for (que = 0; que < ha->max_rsp_queues; que++) {
2213                 rsp = ha->rsp_q_map[que];
2214                 if (!rsp)
2215                         continue;
2216                 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
2217                 *rsp->in_ptr = 0;
2218                 /* Initialize response queue entries */
2219                 if (IS_QLAFX00(ha))
2220                         qlafx00_init_response_q_entries(rsp);
2221                 else
2222                         qla2x00_init_response_q_entries(rsp);
2223         }
2224
2225         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2226         ha->tgt.atio_ring_index = 0;
2227         /* Initialize ATIO queue entries */
2228         qlt_init_atio_q_entries(vha);
2229
2230         ha->isp_ops->config_rings(vha);
2231
2232         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2233
2234         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2235
2236         if (IS_QLAFX00(ha)) {
2237                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
2238                 goto next_check;
2239         }
2240
2241         /* Update any ISP specific firmware options before initialization. */
2242         ha->isp_ops->update_fw_options(vha);
2243
2244         if (ha->flags.npiv_supported) {
2245                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2246                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2247                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2248         }
2249
2250         if (IS_FWI2_CAPABLE(ha)) {
2251                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2252                 mid_init_cb->init_cb.execution_throttle =
2253                     cpu_to_le16(ha->fw_xcb_count);
2254                 /* D-Port Status */
2255                 if (IS_DPORT_CAPABLE(ha))
2256                         mid_init_cb->init_cb.firmware_options_1 |=
2257                             cpu_to_le16(BIT_7);
2258                 /* Enable FA-WWPN */
2259                 ha->flags.fawwpn_enabled =
2260                     (mid_init_cb->init_cb.firmware_options_1 & BIT_6) ? 1 : 0;
2261                 ql_dbg(ql_dbg_init, vha, 0x0141, "FA-WWPN Support: %s.\n",
2262                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
2263         }
2264
2265         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2266 next_check:
2267         if (rval) {
2268                 ql_log(ql_log_fatal, vha, 0x00d2,
2269                     "Init Firmware **** FAILED ****.\n");
2270         } else {
2271                 ql_dbg(ql_dbg_init, vha, 0x00d3,
2272                     "Init Firmware -- success.\n");
2273         }
2274
2275         return (rval);
2276 }
2277
2278 /**
2279  * qla2x00_fw_ready() - Waits for firmware ready.
2280  * @ha: HA context
2281  *
2282  * Returns 0 on success.
2283  */
2284 static int
2285 qla2x00_fw_ready(scsi_qla_host_t *vha)
2286 {
2287         int             rval;
2288         unsigned long   wtime, mtime, cs84xx_time;
2289         uint16_t        min_wait;       /* Minimum wait time if loop is down */
2290         uint16_t        wait_time;      /* Wait time if loop is coming ready */
2291         uint16_t        state[6];
2292         struct qla_hw_data *ha = vha->hw;
2293
2294         if (IS_QLAFX00(vha->hw))
2295                 return qlafx00_fw_ready(vha);
2296
2297         rval = QLA_SUCCESS;
2298
2299         /* Time to wait for loop down */
2300         if (IS_P3P_TYPE(ha))
2301                 min_wait = 30;
2302         else
2303                 min_wait = 20;
2304
2305         /*
2306          * Firmware should take at most one RATOV to login, plus 5 seconds for
2307          * our own processing.
2308          */
2309         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2310                 wait_time = min_wait;
2311         }
2312
2313         /* Min wait time if loop down */
2314         mtime = jiffies + (min_wait * HZ);
2315
2316         /* wait time before firmware ready */
2317         wtime = jiffies + (wait_time * HZ);
2318
2319         /* Wait for ISP to finish LIP */
2320         if (!vha->flags.init_done)
2321                 ql_log(ql_log_info, vha, 0x801e,
2322                     "Waiting for LIP to complete.\n");
2323
2324         do {
2325                 memset(state, -1, sizeof(state));
2326                 rval = qla2x00_get_firmware_state(vha, state);
2327                 if (rval == QLA_SUCCESS) {
2328                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
2329                                 vha->device_flags &= ~DFLG_NO_CABLE;
2330                         }
2331                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2332                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
2333                                     "fw_state=%x 84xx=%x.\n", state[0],
2334                                     state[2]);
2335                                 if ((state[2] & FSTATE_LOGGED_IN) &&
2336                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2337                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
2338                                             "Sending verify iocb.\n");
2339
2340                                         cs84xx_time = jiffies;
2341                                         rval = qla84xx_init_chip(vha);
2342                                         if (rval != QLA_SUCCESS) {
2343                                                 ql_log(ql_log_warn,
2344                                                     vha, 0x8007,
2345                                                     "Init chip failed.\n");
2346                                                 break;
2347                                         }
2348
2349                                         /* Add time taken to initialize. */
2350                                         cs84xx_time = jiffies - cs84xx_time;
2351                                         wtime += cs84xx_time;
2352                                         mtime += cs84xx_time;
2353                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
2354                                             "Increasing wait time by %ld. "
2355                                             "New time %ld.\n", cs84xx_time,
2356                                             wtime);
2357                                 }
2358                         } else if (state[0] == FSTATE_READY) {
2359                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2360                                     "F/W Ready - OK.\n");
2361
2362                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2363                                     &ha->login_timeout, &ha->r_a_tov);
2364
2365                                 rval = QLA_SUCCESS;
2366                                 break;
2367                         }
2368
2369                         rval = QLA_FUNCTION_FAILED;
2370
2371                         if (atomic_read(&vha->loop_down_timer) &&
2372                             state[0] != FSTATE_READY) {
2373                                 /* Loop down. Timeout on min_wait for states
2374                                  * other than Wait for Login.
2375                                  */
2376                                 if (time_after_eq(jiffies, mtime)) {
2377                                         ql_log(ql_log_info, vha, 0x8038,
2378                                             "Cable is unplugged...\n");
2379
2380                                         vha->device_flags |= DFLG_NO_CABLE;
2381                                         break;
2382                                 }
2383                         }
2384                 } else {
2385                         /* Mailbox cmd failed. Timeout on min_wait. */
2386                         if (time_after_eq(jiffies, mtime) ||
2387                                 ha->flags.isp82xx_fw_hung)
2388                                 break;
2389                 }
2390
2391                 if (time_after_eq(jiffies, wtime))
2392                         break;
2393
2394                 /* Delay for a while */
2395                 msleep(500);
2396         } while (1);
2397
2398         ql_dbg(ql_dbg_taskm, vha, 0x803a,
2399             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
2400             state[1], state[2], state[3], state[4], state[5], jiffies);
2401
2402         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2403                 ql_log(ql_log_warn, vha, 0x803b,
2404                     "Firmware ready **** FAILED ****.\n");
2405         }
2406
2407         return (rval);
2408 }
2409
2410 /*
2411 *  qla2x00_configure_hba
2412 *      Setup adapter context.
2413 *
2414 * Input:
2415 *      ha = adapter state pointer.
2416 *
2417 * Returns:
2418 *      0 = success
2419 *
2420 * Context:
2421 *      Kernel context.
2422 */
2423 static int
2424 qla2x00_configure_hba(scsi_qla_host_t *vha)
2425 {
2426         int       rval;
2427         uint16_t      loop_id;
2428         uint16_t      topo;
2429         uint16_t      sw_cap;
2430         uint8_t       al_pa;
2431         uint8_t       area;
2432         uint8_t       domain;
2433         char            connect_type[22];
2434         struct qla_hw_data *ha = vha->hw;
2435         unsigned long flags;
2436         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2437
2438         /* Get host addresses. */
2439         rval = qla2x00_get_adapter_id(vha,
2440             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2441         if (rval != QLA_SUCCESS) {
2442                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2443                     IS_CNA_CAPABLE(ha) ||
2444                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2445                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2446                             "Loop is in a transition state.\n");
2447                 } else {
2448                         ql_log(ql_log_warn, vha, 0x2009,
2449                             "Unable to get host loop ID.\n");
2450                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2451                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2452                                 ql_log(ql_log_warn, vha, 0x1151,
2453                                     "Doing link init.\n");
2454                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2455                                         return rval;
2456                         }
2457                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2458                 }
2459                 return (rval);
2460         }
2461
2462         if (topo == 4) {
2463                 ql_log(ql_log_info, vha, 0x200a,
2464                     "Cannot get topology - retrying.\n");
2465                 return (QLA_FUNCTION_FAILED);
2466         }
2467
2468         vha->loop_id = loop_id;
2469
2470         /* initialize */
2471         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2472         ha->operating_mode = LOOP;
2473         ha->switch_cap = 0;
2474
2475         switch (topo) {
2476         case 0:
2477                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2478                 ha->current_topology = ISP_CFG_NL;
2479                 strcpy(connect_type, "(Loop)");
2480                 break;
2481
2482         case 1:
2483                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2484                 ha->switch_cap = sw_cap;
2485                 ha->current_topology = ISP_CFG_FL;
2486                 strcpy(connect_type, "(FL_Port)");
2487                 break;
2488
2489         case 2:
2490                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2491                 ha->operating_mode = P2P;
2492                 ha->current_topology = ISP_CFG_N;
2493                 strcpy(connect_type, "(N_Port-to-N_Port)");
2494                 break;
2495
2496         case 3:
2497                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2498                 ha->switch_cap = sw_cap;
2499                 ha->operating_mode = P2P;
2500                 ha->current_topology = ISP_CFG_F;
2501                 strcpy(connect_type, "(F_Port)");
2502                 break;
2503
2504         default:
2505                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2506                     "HBA in unknown topology %x, using NL.\n", topo);
2507                 ha->current_topology = ISP_CFG_NL;
2508                 strcpy(connect_type, "(Loop)");
2509                 break;
2510         }
2511
2512         /* Save Host port and loop ID. */
2513         /* byte order - Big Endian */
2514         vha->d_id.b.domain = domain;
2515         vha->d_id.b.area = area;
2516         vha->d_id.b.al_pa = al_pa;
2517
2518         spin_lock_irqsave(&ha->vport_slock, flags);
2519         qlt_update_vp_map(vha, SET_AL_PA);
2520         spin_unlock_irqrestore(&ha->vport_slock, flags);
2521
2522         if (!vha->flags.init_done)
2523                 ql_log(ql_log_info, vha, 0x2010,
2524                     "Topology - %s, Host Loop address 0x%x.\n",
2525                     connect_type, vha->loop_id);
2526
2527         return(rval);
2528 }
2529
2530 inline void
2531 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2532         char *def)
2533 {
2534         char *st, *en;
2535         uint16_t index;
2536         struct qla_hw_data *ha = vha->hw;
2537         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2538             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2539
2540         if (memcmp(model, BINZERO, len) != 0) {
2541                 strncpy(ha->model_number, model, len);
2542                 st = en = ha->model_number;
2543                 en += len - 1;
2544                 while (en > st) {
2545                         if (*en != 0x20 && *en != 0x00)
2546                                 break;
2547                         *en-- = '\0';
2548                 }
2549
2550                 index = (ha->pdev->subsystem_device & 0xff);
2551                 if (use_tbl &&
2552                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2553                     index < QLA_MODEL_NAMES)
2554                         strncpy(ha->model_desc,
2555                             qla2x00_model_name[index * 2 + 1],
2556                             sizeof(ha->model_desc) - 1);
2557         } else {
2558                 index = (ha->pdev->subsystem_device & 0xff);
2559                 if (use_tbl &&
2560                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2561                     index < QLA_MODEL_NAMES) {
2562                         strcpy(ha->model_number,
2563                             qla2x00_model_name[index * 2]);
2564                         strncpy(ha->model_desc,
2565                             qla2x00_model_name[index * 2 + 1],
2566                             sizeof(ha->model_desc) - 1);
2567                 } else {
2568                         strcpy(ha->model_number, def);
2569                 }
2570         }
2571         if (IS_FWI2_CAPABLE(ha))
2572                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2573                     sizeof(ha->model_desc));
2574 }
2575
2576 /* On sparc systems, obtain port and node WWN from firmware
2577  * properties.
2578  */
2579 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2580 {
2581 #ifdef CONFIG_SPARC
2582         struct qla_hw_data *ha = vha->hw;
2583         struct pci_dev *pdev = ha->pdev;
2584         struct device_node *dp = pci_device_to_OF_node(pdev);
2585         const u8 *val;
2586         int len;
2587
2588         val = of_get_property(dp, "port-wwn", &len);
2589         if (val && len >= WWN_SIZE)
2590                 memcpy(nv->port_name, val, WWN_SIZE);
2591
2592         val = of_get_property(dp, "node-wwn", &len);
2593         if (val && len >= WWN_SIZE)
2594                 memcpy(nv->node_name, val, WWN_SIZE);
2595 #endif
2596 }
2597
2598 /*
2599 * NVRAM configuration for ISP 2xxx
2600 *
2601 * Input:
2602 *      ha                = adapter block pointer.
2603 *
2604 * Output:
2605 *      initialization control block in response_ring
2606 *      host adapters parameters in host adapter block
2607 *
2608 * Returns:
2609 *      0 = success.
2610 */
2611 int
2612 qla2x00_nvram_config(scsi_qla_host_t *vha)
2613 {
2614         int             rval;
2615         uint8_t         chksum = 0;
2616         uint16_t        cnt;
2617         uint8_t         *dptr1, *dptr2;
2618         struct qla_hw_data *ha = vha->hw;
2619         init_cb_t       *icb = ha->init_cb;
2620         nvram_t         *nv = ha->nvram;
2621         uint8_t         *ptr = ha->nvram;
2622         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2623
2624         rval = QLA_SUCCESS;
2625
2626         /* Determine NVRAM starting address. */
2627         ha->nvram_size = sizeof(nvram_t);
2628         ha->nvram_base = 0;
2629         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2630                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2631                         ha->nvram_base = 0x80;
2632
2633         /* Get NVRAM data and calculate checksum. */
2634         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2635         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2636                 chksum += *ptr++;
2637
2638         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2639             "Contents of NVRAM.\n");
2640         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2641             (uint8_t *)nv, ha->nvram_size);
2642
2643         /* Bad NVRAM data, set defaults parameters. */
2644         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2645             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2646                 /* Reset NVRAM data. */
2647                 ql_log(ql_log_warn, vha, 0x0064,
2648                     "Inconsistent NVRAM "
2649                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2650                     chksum, nv->id[0], nv->nvram_version);
2651                 ql_log(ql_log_warn, vha, 0x0065,
2652                     "Falling back to "
2653                     "functioning (yet invalid -- WWPN) defaults.\n");
2654
2655                 /*
2656                  * Set default initialization control block.
2657                  */
2658                 memset(nv, 0, ha->nvram_size);
2659                 nv->parameter_block_version = ICB_VERSION;
2660
2661                 if (IS_QLA23XX(ha)) {
2662                         nv->firmware_options[0] = BIT_2 | BIT_1;
2663                         nv->firmware_options[1] = BIT_7 | BIT_5;
2664                         nv->add_firmware_options[0] = BIT_5;
2665                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2666                         nv->frame_payload_size = 2048;
2667                         nv->special_options[1] = BIT_7;
2668                 } else if (IS_QLA2200(ha)) {
2669                         nv->firmware_options[0] = BIT_2 | BIT_1;
2670                         nv->firmware_options[1] = BIT_7 | BIT_5;
2671                         nv->add_firmware_options[0] = BIT_5;
2672                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2673                         nv->frame_payload_size = 1024;
2674                 } else if (IS_QLA2100(ha)) {
2675                         nv->firmware_options[0] = BIT_3 | BIT_1;
2676                         nv->firmware_options[1] = BIT_5;
2677                         nv->frame_payload_size = 1024;
2678                 }
2679
2680                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2681                 nv->execution_throttle = __constant_cpu_to_le16(16);
2682                 nv->retry_count = 8;
2683                 nv->retry_delay = 1;
2684
2685                 nv->port_name[0] = 33;
2686                 nv->port_name[3] = 224;
2687                 nv->port_name[4] = 139;
2688
2689                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2690
2691                 nv->login_timeout = 4;
2692
2693                 /*
2694                  * Set default host adapter parameters
2695                  */
2696                 nv->host_p[1] = BIT_2;
2697                 nv->reset_delay = 5;
2698                 nv->port_down_retry_count = 8;
2699                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2700                 nv->link_down_timeout = 60;
2701
2702                 rval = 1;
2703         }
2704
2705 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2706         /*
2707          * The SN2 does not provide BIOS emulation which means you can't change
2708          * potentially bogus BIOS settings. Force the use of default settings
2709          * for link rate and frame size.  Hope that the rest of the settings
2710          * are valid.
2711          */
2712         if (ia64_platform_is("sn2")) {
2713                 nv->frame_payload_size = 2048;
2714                 if (IS_QLA23XX(ha))
2715                         nv->special_options[1] = BIT_7;
2716         }
2717 #endif
2718
2719         /* Reset Initialization control block */
2720         memset(icb, 0, ha->init_cb_size);
2721
2722         /*
2723          * Setup driver NVRAM options.
2724          */
2725         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2726         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2727         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2728         nv->firmware_options[1] &= ~BIT_4;
2729
2730         if (IS_QLA23XX(ha)) {
2731                 nv->firmware_options[0] |= BIT_2;
2732                 nv->firmware_options[0] &= ~BIT_3;
2733                 nv->special_options[0] &= ~BIT_6;
2734                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2735
2736                 if (IS_QLA2300(ha)) {
2737                         if (ha->fb_rev == FPM_2310) {
2738                                 strcpy(ha->model_number, "QLA2310");
2739                         } else {
2740                                 strcpy(ha->model_number, "QLA2300");
2741                         }
2742                 } else {
2743                         qla2x00_set_model_info(vha, nv->model_number,
2744                             sizeof(nv->model_number), "QLA23xx");
2745                 }
2746         } else if (IS_QLA2200(ha)) {
2747                 nv->firmware_options[0] |= BIT_2;
2748                 /*
2749                  * 'Point-to-point preferred, else loop' is not a safe
2750                  * connection mode setting.
2751                  */
2752                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2753                     (BIT_5 | BIT_4)) {
2754                         /* Force 'loop preferred, else point-to-point'. */
2755                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2756                         nv->add_firmware_options[0] |= BIT_5;
2757                 }
2758                 strcpy(ha->model_number, "QLA22xx");
2759         } else /*if (IS_QLA2100(ha))*/ {
2760                 strcpy(ha->model_number, "QLA2100");
2761         }
2762
2763         /*
2764          * Copy over NVRAM RISC parameter block to initialization control block.
2765          */
2766         dptr1 = (uint8_t *)icb;
2767         dptr2 = (uint8_t *)&nv->parameter_block_version;
2768         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2769         while (cnt--)
2770                 *dptr1++ = *dptr2++;
2771
2772         /* Copy 2nd half. */
2773         dptr1 = (uint8_t *)icb->add_firmware_options;
2774         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2775         while (cnt--)
2776                 *dptr1++ = *dptr2++;
2777
2778         /* Use alternate WWN? */
2779         if (nv->host_p[1] & BIT_7) {
2780                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2781                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2782         }
2783
2784         /* Prepare nodename */
2785         if ((icb->firmware_options[1] & BIT_6) == 0) {
2786                 /*
2787                  * Firmware will apply the following mask if the nodename was
2788                  * not provided.
2789                  */
2790                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2791                 icb->node_name[0] &= 0xF0;
2792         }
2793
2794         /*
2795          * Set host adapter parameters.
2796          */
2797
2798         /*
2799          * BIT_7 in the host-parameters section allows for modification to
2800          * internal driver logging.
2801          */
2802         if (nv->host_p[0] & BIT_7)
2803                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2804         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2805         /* Always load RISC code on non ISP2[12]00 chips. */
2806         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2807                 ha->flags.disable_risc_code_load = 0;
2808         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2809         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2810         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2811         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2812         ha->flags.disable_serdes = 0;
2813
2814         ha->operating_mode =
2815             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2816
2817         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2818             sizeof(ha->fw_seriallink_options));
2819
2820         /* save HBA serial number */
2821         ha->serial0 = icb->port_name[5];
2822         ha->serial1 = icb->port_name[6];
2823         ha->serial2 = icb->port_name[7];
2824         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2825         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2826
2827         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2828
2829         ha->retry_count = nv->retry_count;
2830
2831         /* Set minimum login_timeout to 4 seconds. */
2832         if (nv->login_timeout != ql2xlogintimeout)
2833                 nv->login_timeout = ql2xlogintimeout;
2834         if (nv->login_timeout < 4)
2835                 nv->login_timeout = 4;
2836         ha->login_timeout = nv->login_timeout;
2837         icb->login_timeout = nv->login_timeout;
2838
2839         /* Set minimum RATOV to 100 tenths of a second. */
2840         ha->r_a_tov = 100;
2841
2842         ha->loop_reset_delay = nv->reset_delay;
2843
2844         /* Link Down Timeout = 0:
2845          *
2846          *      When Port Down timer expires we will start returning
2847          *      I/O's to OS with "DID_NO_CONNECT".
2848          *
2849          * Link Down Timeout != 0:
2850          *
2851          *       The driver waits for the link to come up after link down
2852          *       before returning I/Os to OS with "DID_NO_CONNECT".
2853          */
2854         if (nv->link_down_timeout == 0) {
2855                 ha->loop_down_abort_time =
2856                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2857         } else {
2858                 ha->link_down_timeout =  nv->link_down_timeout;
2859                 ha->loop_down_abort_time =
2860                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2861         }
2862
2863         /*
2864          * Need enough time to try and get the port back.
2865          */
2866         ha->port_down_retry_count = nv->port_down_retry_count;
2867         if (qlport_down_retry)
2868                 ha->port_down_retry_count = qlport_down_retry;
2869         /* Set login_retry_count */
2870         ha->login_retry_count  = nv->retry_count;
2871         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2872             ha->port_down_retry_count > 3)
2873                 ha->login_retry_count = ha->port_down_retry_count;
2874         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2875                 ha->login_retry_count = ha->port_down_retry_count;
2876         if (ql2xloginretrycount)
2877                 ha->login_retry_count = ql2xloginretrycount;
2878
2879         icb->lun_enables = __constant_cpu_to_le16(0);
2880         icb->command_resource_count = 0;
2881         icb->immediate_notify_resource_count = 0;
2882         icb->timeout = __constant_cpu_to_le16(0);
2883
2884         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2885                 /* Enable RIO */
2886                 icb->firmware_options[0] &= ~BIT_3;
2887                 icb->add_firmware_options[0] &=
2888                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2889                 icb->add_firmware_options[0] |= BIT_2;
2890                 icb->response_accumulation_timer = 3;
2891                 icb->interrupt_delay_timer = 5;
2892
2893                 vha->flags.process_response_queue = 1;
2894         } else {
2895                 /* Enable ZIO. */
2896                 if (!vha->flags.init_done) {
2897                         ha->zio_mode = icb->add_firmware_options[0] &
2898                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2899                         ha->zio_timer = icb->interrupt_delay_timer ?
2900                             icb->interrupt_delay_timer: 2;
2901                 }
2902                 icb->add_firmware_options[0] &=
2903                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2904                 vha->flags.process_response_queue = 0;
2905                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2906                         ha->zio_mode = QLA_ZIO_MODE_6;
2907
2908                         ql_log(ql_log_info, vha, 0x0068,
2909                             "ZIO mode %d enabled; timer delay (%d us).\n",
2910                             ha->zio_mode, ha->zio_timer * 100);
2911
2912                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2913                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2914                         vha->flags.process_response_queue = 1;
2915                 }
2916         }
2917
2918         if (rval) {
2919                 ql_log(ql_log_warn, vha, 0x0069,
2920                     "NVRAM configuration failed.\n");
2921         }
2922         return (rval);
2923 }
2924
2925 static void
2926 qla2x00_rport_del(void *data)
2927 {
2928         fc_port_t *fcport = data;
2929         struct fc_rport *rport;
2930         unsigned long flags;
2931
2932         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2933         rport = fcport->drport ? fcport->drport: fcport->rport;
2934         fcport->drport = NULL;
2935         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2936         if (rport)
2937                 fc_remote_port_delete(rport);
2938 }
2939
2940 /**
2941  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2942  * @ha: HA context
2943  * @flags: allocation flags
2944  *
2945  * Returns a pointer to the allocated fcport, or NULL, if none available.
2946  */
2947 fc_port_t *
2948 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2949 {
2950         fc_port_t *fcport;
2951
2952         fcport = kzalloc(sizeof(fc_port_t), flags);
2953         if (!fcport)
2954                 return NULL;
2955
2956         /* Setup fcport template structure. */
2957         fcport->vha = vha;
2958         fcport->port_type = FCT_UNKNOWN;
2959         fcport->loop_id = FC_NO_LOOP_ID;
2960         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2961         fcport->supported_classes = FC_COS_UNSPECIFIED;
2962
2963         return fcport;
2964 }
2965
2966 /*
2967  * qla2x00_configure_loop
2968  *      Updates Fibre Channel Device Database with what is actually on loop.
2969  *
2970  * Input:
2971  *      ha                = adapter block pointer.
2972  *
2973  * Returns:
2974  *      0 = success.
2975  *      1 = error.
2976  *      2 = database was full and device was not configured.
2977  */
2978 static int
2979 qla2x00_configure_loop(scsi_qla_host_t *vha)
2980 {
2981         int  rval;
2982         unsigned long flags, save_flags;
2983         struct qla_hw_data *ha = vha->hw;
2984         rval = QLA_SUCCESS;
2985
2986         /* Get Initiator ID */
2987         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2988                 rval = qla2x00_configure_hba(vha);
2989                 if (rval != QLA_SUCCESS) {
2990                         ql_dbg(ql_dbg_disc, vha, 0x2013,
2991                             "Unable to configure HBA.\n");
2992                         return (rval);
2993                 }
2994         }
2995
2996         save_flags = flags = vha->dpc_flags;
2997         ql_dbg(ql_dbg_disc, vha, 0x2014,
2998             "Configure loop -- dpc flags = 0x%lx.\n", flags);
2999
3000         /*
3001          * If we have both an RSCN and PORT UPDATE pending then handle them
3002          * both at the same time.
3003          */
3004         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3005         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
3006
3007         qla2x00_get_data_rate(vha);
3008
3009         /* Determine what we need to do */
3010         if (ha->current_topology == ISP_CFG_FL &&
3011             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3012
3013                 set_bit(RSCN_UPDATE, &flags);
3014
3015         } else if (ha->current_topology == ISP_CFG_F &&
3016             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3017
3018                 set_bit(RSCN_UPDATE, &flags);
3019                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
3020
3021         } else if (ha->current_topology == ISP_CFG_N) {
3022                 clear_bit(RSCN_UPDATE, &flags);
3023
3024         } else if (!vha->flags.online ||
3025             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
3026
3027                 set_bit(RSCN_UPDATE, &flags);
3028                 set_bit(LOCAL_LOOP_UPDATE, &flags);
3029         }
3030
3031         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
3032                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3033                         ql_dbg(ql_dbg_disc, vha, 0x2015,
3034                             "Loop resync needed, failing.\n");
3035                         rval = QLA_FUNCTION_FAILED;
3036                 } else
3037                         rval = qla2x00_configure_local_loop(vha);
3038         }
3039
3040         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
3041                 if (LOOP_TRANSITION(vha)) {
3042                         ql_dbg(ql_dbg_disc, vha, 0x201e,
3043                             "Needs RSCN update and loop transition.\n");
3044                         rval = QLA_FUNCTION_FAILED;
3045                 }
3046                 else
3047                         rval = qla2x00_configure_fabric(vha);
3048         }
3049
3050         if (rval == QLA_SUCCESS) {
3051                 if (atomic_read(&vha->loop_down_timer) ||
3052                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3053                         rval = QLA_FUNCTION_FAILED;
3054                 } else {
3055                         atomic_set(&vha->loop_state, LOOP_READY);
3056                         ql_dbg(ql_dbg_disc, vha, 0x2069,
3057                             "LOOP READY.\n");
3058                 }
3059         }
3060
3061         if (rval) {
3062                 ql_dbg(ql_dbg_disc, vha, 0x206a,
3063                     "%s *** FAILED ***.\n", __func__);
3064         } else {
3065                 ql_dbg(ql_dbg_disc, vha, 0x206b,
3066                     "%s: exiting normally.\n", __func__);
3067         }
3068
3069         /* Restore state if a resync event occurred during processing */
3070         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3071                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
3072                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3073                 if (test_bit(RSCN_UPDATE, &save_flags)) {
3074                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
3075                 }
3076         }
3077
3078         return (rval);
3079 }
3080
3081
3082
3083 /*
3084  * qla2x00_configure_local_loop
3085  *      Updates Fibre Channel Device Database with local loop devices.
3086  *
3087  * Input:
3088  *      ha = adapter block pointer.
3089  *
3090  * Returns:
3091  *      0 = success.
3092  */
3093 static int
3094 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
3095 {
3096         int             rval, rval2;
3097         int             found_devs;
3098         int             found;
3099         fc_port_t       *fcport, *new_fcport;
3100
3101         uint16_t        index;
3102         uint16_t        entries;
3103         char            *id_iter;
3104         uint16_t        loop_id;
3105         uint8_t         domain, area, al_pa;
3106         struct qla_hw_data *ha = vha->hw;
3107
3108         found_devs = 0;
3109         new_fcport = NULL;
3110         entries = MAX_FIBRE_DEVICES_LOOP;
3111
3112         /* Get list of logged in devices. */
3113         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
3114         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
3115             &entries);
3116         if (rval != QLA_SUCCESS)
3117                 goto cleanup_allocation;
3118
3119         ql_dbg(ql_dbg_disc, vha, 0x2017,
3120             "Entries in ID list (%d).\n", entries);
3121         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
3122             (uint8_t *)ha->gid_list,
3123             entries * sizeof(struct gid_list_info));
3124
3125         /* Allocate temporary fcport for any new fcports discovered. */
3126         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3127         if (new_fcport == NULL) {
3128                 ql_log(ql_log_warn, vha, 0x2018,
3129                     "Memory allocation failed for fcport.\n");
3130                 rval = QLA_MEMORY_ALLOC_FAILED;
3131                 goto cleanup_allocation;
3132         }
3133         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3134
3135         /*
3136          * Mark local devices that were present with FCF_DEVICE_LOST for now.
3137          */
3138         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3139                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
3140                     fcport->port_type != FCT_BROADCAST &&
3141                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3142
3143                         ql_dbg(ql_dbg_disc, vha, 0x2019,
3144                             "Marking port lost loop_id=0x%04x.\n",
3145                             fcport->loop_id);
3146
3147                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3148                 }
3149         }
3150
3151         /* Add devices to port list. */
3152         id_iter = (char *)ha->gid_list;
3153         for (index = 0; index < entries; index++) {
3154                 domain = ((struct gid_list_info *)id_iter)->domain;
3155                 area = ((struct gid_list_info *)id_iter)->area;
3156                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
3157                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
3158                         loop_id = (uint16_t)
3159                             ((struct gid_list_info *)id_iter)->loop_id_2100;
3160                 else
3161                         loop_id = le16_to_cpu(
3162                             ((struct gid_list_info *)id_iter)->loop_id);
3163                 id_iter += ha->gid_list_info_size;
3164
3165                 /* Bypass reserved domain fields. */
3166                 if ((domain & 0xf0) == 0xf0)
3167                         continue;
3168
3169                 /* Bypass if not same domain and area of adapter. */
3170                 if (area && domain &&
3171                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
3172                         continue;
3173
3174                 /* Bypass invalid local loop ID. */
3175                 if (loop_id > LAST_LOCAL_LOOP_ID)
3176                         continue;
3177
3178                 memset(new_fcport, 0, sizeof(fc_port_t));
3179
3180                 /* Fill in member data. */
3181                 new_fcport->d_id.b.domain = domain;
3182                 new_fcport->d_id.b.area = area;
3183                 new_fcport->d_id.b.al_pa = al_pa;
3184                 new_fcport->loop_id = loop_id;
3185                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
3186                 if (rval2 != QLA_SUCCESS) {
3187                         ql_dbg(ql_dbg_disc, vha, 0x201a,
3188                             "Failed to retrieve fcport information "
3189                             "-- get_port_database=%x, loop_id=0x%04x.\n",
3190                             rval2, new_fcport->loop_id);
3191                         ql_dbg(ql_dbg_disc, vha, 0x201b,
3192                             "Scheduling resync.\n");
3193                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3194                         continue;
3195                 }
3196
3197                 /* Check for matching device in port list. */
3198                 found = 0;
3199                 fcport = NULL;
3200                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3201                         if (memcmp(new_fcport->port_name, fcport->port_name,
3202                             WWN_SIZE))
3203                                 continue;
3204
3205                         fcport->flags &= ~FCF_FABRIC_DEVICE;
3206                         fcport->loop_id = new_fcport->loop_id;
3207                         fcport->port_type = new_fcport->port_type;
3208                         fcport->d_id.b24 = new_fcport->d_id.b24;
3209                         memcpy(fcport->node_name, new_fcport->node_name,
3210                             WWN_SIZE);
3211
3212                         found++;
3213                         break;
3214                 }
3215
3216                 if (!found) {
3217                         /* New device, add to fcports list. */
3218                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
3219
3220                         /* Allocate a new replacement fcport. */
3221                         fcport = new_fcport;
3222                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3223                         if (new_fcport == NULL) {
3224                                 ql_log(ql_log_warn, vha, 0x201c,
3225                                     "Failed to allocate memory for fcport.\n");
3226                                 rval = QLA_MEMORY_ALLOC_FAILED;
3227                                 goto cleanup_allocation;
3228                         }
3229                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3230                 }
3231
3232                 /* Base iIDMA settings on HBA port speed. */
3233                 fcport->fp_speed = ha->link_data_rate;
3234
3235                 qla2x00_update_fcport(vha, fcport);
3236
3237                 found_devs++;
3238         }
3239
3240 cleanup_allocation:
3241         kfree(new_fcport);
3242
3243         if (rval != QLA_SUCCESS) {
3244                 ql_dbg(ql_dbg_disc, vha, 0x201d,
3245                     "Configure local loop error exit: rval=%x.\n", rval);
3246         }
3247
3248         return (rval);
3249 }
3250
3251 static void
3252 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3253 {
3254         int rval;
3255         uint16_t mb[MAILBOX_REGISTER_COUNT];
3256         struct qla_hw_data *ha = vha->hw;
3257
3258         if (!IS_IIDMA_CAPABLE(ha))
3259                 return;
3260
3261         if (atomic_read(&fcport->state) != FCS_ONLINE)
3262                 return;
3263
3264         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3265             fcport->fp_speed > ha->link_data_rate)
3266                 return;
3267
3268         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3269             mb);
3270         if (rval != QLA_SUCCESS) {
3271                 ql_dbg(ql_dbg_disc, vha, 0x2004,
3272                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
3273                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
3274         } else {
3275                 ql_dbg(ql_dbg_disc, vha, 0x2005,
3276                     "iIDMA adjusted to %s GB/s on %8phN.\n",
3277                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3278                     fcport->port_name);
3279         }
3280 }
3281
3282 static void
3283 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3284 {
3285         struct fc_rport_identifiers rport_ids;
3286         struct fc_rport *rport;
3287         unsigned long flags;
3288
3289         rport_ids.node_name = wwn_to_u64(fcport->node_name);
3290         rport_ids.port_name = wwn_to_u64(fcport->port_name);
3291         rport_ids.port_id = fcport->d_id.b.domain << 16 |
3292             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3293         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3294         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3295         if (!rport) {
3296                 ql_log(ql_log_warn, vha, 0x2006,
3297                     "Unable to allocate fc remote port.\n");
3298                 return;
3299         }
3300         /*
3301          * Create target mode FC NEXUS in qla_target.c if target mode is
3302          * enabled..
3303          */
3304
3305         qlt_fc_port_added(vha, fcport);
3306
3307         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3308         *((fc_port_t **)rport->dd_data) = fcport;
3309         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3310
3311         rport->supported_classes = fcport->supported_classes;
3312
3313         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3314         if (fcport->port_type == FCT_INITIATOR)
3315                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3316         if (fcport->port_type == FCT_TARGET)
3317                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3318         fc_remote_port_rolechg(rport, rport_ids.roles);
3319 }
3320
3321 /*
3322  * qla2x00_update_fcport
3323  *      Updates device on list.
3324  *
3325  * Input:
3326  *      ha = adapter block pointer.
3327  *      fcport = port structure pointer.
3328  *
3329  * Return:
3330  *      0  - Success
3331  *  BIT_0 - error
3332  *
3333  * Context:
3334  *      Kernel context.
3335  */
3336 void
3337 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3338 {
3339         fcport->vha = vha;
3340
3341         if (IS_QLAFX00(vha->hw)) {
3342                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3343                 goto reg_port;
3344         }
3345         fcport->login_retry = 0;
3346         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3347
3348         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3349         qla2x00_iidma_fcport(vha, fcport);
3350         qla24xx_update_fcport_fcp_prio(vha, fcport);
3351
3352 reg_port:
3353         if (qla_ini_mode_enabled(vha))
3354                 qla2x00_reg_remote_port(vha, fcport);
3355         else {
3356                 /*
3357                  * Create target mode FC NEXUS in qla_target.c
3358                  */
3359                 qlt_fc_port_added(vha, fcport);
3360         }
3361 }
3362
3363 /*
3364  * qla2x00_configure_fabric
3365  *      Setup SNS devices with loop ID's.
3366  *
3367  * Input:
3368  *      ha = adapter block pointer.
3369  *
3370  * Returns:
3371  *      0 = success.
3372  *      BIT_0 = error
3373  */
3374 static int
3375 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3376 {
3377         int     rval;
3378         fc_port_t       *fcport, *fcptemp;
3379         uint16_t        next_loopid;
3380         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3381         uint16_t        loop_id;
3382         LIST_HEAD(new_fcports);
3383         struct qla_hw_data *ha = vha->hw;
3384         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3385         int             discovery_gen;
3386
3387         /* If FL port exists, then SNS is present */
3388         if (IS_FWI2_CAPABLE(ha))
3389                 loop_id = NPH_F_PORT;
3390         else
3391                 loop_id = SNS_FL_PORT;
3392         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3393         if (rval != QLA_SUCCESS) {
3394                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3395                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3396
3397                 vha->device_flags &= ~SWITCH_FOUND;
3398                 return (QLA_SUCCESS);
3399         }
3400         vha->device_flags |= SWITCH_FOUND;
3401
3402         do {
3403                 /* FDMI support. */
3404                 if (ql2xfdmienable &&
3405                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3406                         qla2x00_fdmi_register(vha);
3407
3408                 /* Ensure we are logged into the SNS. */
3409                 if (IS_FWI2_CAPABLE(ha))
3410                         loop_id = NPH_SNS;
3411                 else
3412                         loop_id = SIMPLE_NAME_SERVER;
3413                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3414                     0xfc, mb, BIT_1|BIT_0);
3415                 if (rval != QLA_SUCCESS) {
3416                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3417                         return rval;
3418                 }
3419                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3420                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3421                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3422                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3423                             mb[2], mb[6], mb[7]);
3424                         return (QLA_SUCCESS);
3425                 }
3426
3427                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3428                         if (qla2x00_rft_id(vha)) {
3429                                 /* EMPTY */
3430                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3431                                     "Register FC-4 TYPE failed.\n");
3432                         }
3433                         if (qla2x00_rff_id(vha)) {
3434                                 /* EMPTY */
3435                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3436                                     "Register FC-4 Features failed.\n");
3437                         }
3438                         if (qla2x00_rnn_id(vha)) {
3439                                 /* EMPTY */
3440                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3441                                     "Register Node Name failed.\n");
3442                         } else if (qla2x00_rsnn_nn(vha)) {
3443                                 /* EMPTY */
3444                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3445                                     "Register Symobilic Node Name failed.\n");
3446                         }
3447                 }
3448
3449 #define QLA_FCPORT_SCAN         1
3450 #define QLA_FCPORT_FOUND        2
3451
3452                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3453                         fcport->scan_state = QLA_FCPORT_SCAN;
3454                 }
3455
3456                 /* Mark the time right before querying FW for connected ports.
3457                  * This process is long, asynchronous and by the time it's done,
3458                  * collected information might not be accurate anymore. E.g.
3459                  * disconnected port might have re-connected and a brand new
3460                  * session has been created. In this case session's generation
3461                  * will be newer than discovery_gen. */
3462                 qlt_do_generation_tick(vha, &discovery_gen);
3463
3464                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3465                 if (rval != QLA_SUCCESS)
3466                         break;
3467
3468                 /*
3469                  * Logout all previous fabric devices marked lost, except
3470                  * FCP2 devices.
3471                  */
3472                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3473                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3474                                 break;
3475
3476                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3477                                 continue;
3478
3479                         if (fcport->scan_state == QLA_FCPORT_SCAN) {
3480                                 if (qla_ini_mode_enabled(base_vha) &&
3481                                     atomic_read(&fcport->state) == FCS_ONLINE) {
3482                                         qla2x00_mark_device_lost(vha, fcport,
3483                                             ql2xplogiabsentdevice, 0);
3484                                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3485                                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3486                                             fcport->port_type != FCT_INITIATOR &&
3487                                             fcport->port_type != FCT_BROADCAST) {
3488                                                 ha->isp_ops->fabric_logout(vha,
3489                                                     fcport->loop_id,
3490                                                     fcport->d_id.b.domain,
3491                                                     fcport->d_id.b.area,
3492                                                     fcport->d_id.b.al_pa);
3493                                                 qla2x00_clear_loop_id(fcport);
3494                                         }
3495                                 } else if (!qla_ini_mode_enabled(base_vha)) {
3496                                         /*
3497                                          * In target mode, explicitly kill
3498                                          * sessions and log out of devices
3499                                          * that are gone, so that we don't
3500                                          * end up with an initiator using the
3501                                          * wrong ACL (if the fabric recycles
3502                                          * an FC address and we have a stale
3503                                          * session around) and so that we don't
3504                                          * report initiators that are no longer
3505                                          * on the fabric.
3506                                          */
3507                                         ql_dbg(ql_dbg_tgt_mgt, vha, 0xf077,
3508                                             "port gone, logging out/killing session: "
3509                                             "%8phC state 0x%x flags 0x%x fc4_type 0x%x "
3510                                             "scan_state %d\n",
3511                                             fcport->port_name,
3512                                             atomic_read(&fcport->state),
3513                                             fcport->flags, fcport->fc4_type,
3514                                             fcport->scan_state);
3515                                         qlt_fc_port_deleted(vha, fcport,
3516                                             discovery_gen);
3517                                 }
3518                         }
3519                 }
3520
3521                 /* Starting free loop ID. */
3522                 next_loopid = ha->min_external_loopid;
3523
3524                 /*
3525                  * Scan through our port list and login entries that need to be
3526                  * logged in.
3527                  */
3528                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3529                         if (atomic_read(&vha->loop_down_timer) ||
3530                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3531                                 break;
3532
3533                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3534                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3535                                 continue;
3536
3537                         /*
3538                          * If we're not an initiator, skip looking for devices
3539                          * and logging in.  There's no reason for us to do it,
3540                          * and it seems to actively cause problems in target
3541                          * mode if we race with the initiator logging into us
3542                          * (we might get the "port ID used" status back from
3543                          * our login command and log out the initiator, which
3544                          * seems to cause havoc).
3545                          */
3546                         if (!qla_ini_mode_enabled(base_vha)) {
3547                                 if (fcport->scan_state == QLA_FCPORT_FOUND) {
3548                                         ql_dbg(ql_dbg_tgt_mgt, vha, 0xf078,
3549                                             "port %8phC state 0x%x flags 0x%x fc4_type 0x%x "
3550                                             "scan_state %d (initiator mode disabled; skipping "
3551                                             "login)\n", fcport->port_name,
3552                                             atomic_read(&fcport->state),
3553                                             fcport->flags, fcport->fc4_type,
3554                                             fcport->scan_state);
3555                                 }
3556                                 continue;
3557                         }
3558
3559                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3560                                 fcport->loop_id = next_loopid;
3561                                 rval = qla2x00_find_new_loop_id(
3562                                     base_vha, fcport);
3563                                 if (rval != QLA_SUCCESS) {
3564                                         /* Ran out of IDs to use */
3565                                         break;
3566                                 }
3567                         }
3568                         /* Login and update database */
3569                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3570                 }
3571
3572                 /* Exit if out of loop IDs. */
3573                 if (rval != QLA_SUCCESS) {
3574                         break;
3575                 }
3576
3577                 /*
3578                  * Login and add the new devices to our port list.
3579                  */
3580                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3581                         if (atomic_read(&vha->loop_down_timer) ||
3582                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3583                                 break;
3584
3585                         /*
3586                          * If we're not an initiator, skip looking for devices
3587                          * and logging in.  There's no reason for us to do it,
3588                          * and it seems to actively cause problems in target
3589                          * mode if we race with the initiator logging into us
3590                          * (we might get the "port ID used" status back from
3591                          * our login command and log out the initiator, which
3592                          * seems to cause havoc).
3593                          */
3594                         if (qla_ini_mode_enabled(base_vha)) {
3595                                 /* Find a new loop ID to use. */
3596                                 fcport->loop_id = next_loopid;
3597                                 rval = qla2x00_find_new_loop_id(base_vha,
3598                                     fcport);
3599                                 if (rval != QLA_SUCCESS) {
3600                                         /* Ran out of IDs to use */
3601                                         break;
3602                                 }
3603
3604                                 /* Login and update database */
3605                                 qla2x00_fabric_dev_login(vha, fcport,
3606                                     &next_loopid);
3607                         } else {
3608                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf079,
3609                                         "new port %8phC state 0x%x flags 0x%x fc4_type "
3610                                         "0x%x scan_state %d (initiator mode disabled; "
3611                                         "skipping login)\n",
3612                                         fcport->port_name,
3613                                         atomic_read(&fcport->state),
3614                                         fcport->flags, fcport->fc4_type,
3615                                         fcport->scan_state);
3616                         }
3617
3618                         list_move_tail(&fcport->list, &vha->vp_fcports);
3619                 }
3620         } while (0);
3621
3622         /* Free all new device structures not processed. */
3623         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3624                 list_del(&fcport->list);
3625                 kfree(fcport);
3626         }
3627
3628         if (rval) {
3629                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3630                     "Configure fabric error exit rval=%d.\n", rval);
3631         }
3632
3633         return (rval);
3634 }
3635
3636 /*
3637  * qla2x00_find_all_fabric_devs
3638  *
3639  * Input:
3640  *      ha = adapter block pointer.
3641  *      dev = database device entry pointer.
3642  *
3643  * Returns:
3644  *      0 = success.
3645  *
3646  * Context:
3647  *      Kernel context.
3648  */
3649 static int
3650 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3651         struct list_head *new_fcports)
3652 {
3653         int             rval;
3654         uint16_t        loop_id;
3655         fc_port_t       *fcport, *new_fcport, *fcptemp;
3656         int             found;
3657
3658         sw_info_t       *swl;
3659         int             swl_idx;
3660         int             first_dev, last_dev;
3661         port_id_t       wrap = {}, nxt_d_id;
3662         struct qla_hw_data *ha = vha->hw;
3663         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3664
3665         rval = QLA_SUCCESS;
3666
3667         /* Try GID_PT to get device list, else GAN. */
3668         if (!ha->swl)
3669                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3670                     GFP_KERNEL);
3671         swl = ha->swl;
3672         if (!swl) {
3673                 /*EMPTY*/
3674                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3675                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3676         } else {
3677                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3678                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3679                         swl = NULL;
3680                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3681                         swl = NULL;
3682                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3683                         swl = NULL;
3684                 } else if (ql2xiidmaenable &&
3685                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3686                         qla2x00_gpsc(vha, swl);
3687                 }
3688
3689                 /* If other queries succeeded probe for FC-4 type */
3690                 if (swl)
3691                         qla2x00_gff_id(vha, swl);
3692         }
3693         swl_idx = 0;
3694
3695         /* Allocate temporary fcport for any new fcports discovered. */
3696         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3697         if (new_fcport == NULL) {
3698                 ql_log(ql_log_warn, vha, 0x205e,
3699                     "Failed to allocate memory for fcport.\n");
3700                 return (QLA_MEMORY_ALLOC_FAILED);
3701         }
3702         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3703         /* Set start port ID scan at adapter ID. */
3704         first_dev = 1;
3705         last_dev = 0;
3706
3707         /* Starting free loop ID. */
3708         loop_id = ha->min_external_loopid;
3709         for (; loop_id <= ha->max_loop_id; loop_id++) {
3710                 if (qla2x00_is_reserved_id(vha, loop_id))
3711                         continue;
3712
3713                 if (ha->current_topology == ISP_CFG_FL &&
3714                     (atomic_read(&vha->loop_down_timer) ||
3715                      LOOP_TRANSITION(vha))) {
3716                         atomic_set(&vha->loop_down_timer, 0);
3717                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3718                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3719                         break;
3720                 }
3721
3722                 if (swl != NULL) {
3723                         if (last_dev) {
3724                                 wrap.b24 = new_fcport->d_id.b24;
3725                         } else {
3726                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3727                                 memcpy(new_fcport->node_name,
3728                                     swl[swl_idx].node_name, WWN_SIZE);
3729                                 memcpy(new_fcport->port_name,
3730                                     swl[swl_idx].port_name, WWN_SIZE);
3731                                 memcpy(new_fcport->fabric_port_name,
3732                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3733                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3734                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3735
3736                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3737                                         last_dev = 1;
3738                                 }
3739                                 swl_idx++;
3740                         }
3741                 } else {
3742                         /* Send GA_NXT to the switch */
3743                         rval = qla2x00_ga_nxt(vha, new_fcport);
3744                         if (rval != QLA_SUCCESS) {
3745                                 ql_log(ql_log_warn, vha, 0x2064,
3746                                     "SNS scan failed -- assuming "
3747                                     "zero-entry result.\n");
3748                                 list_for_each_entry_safe(fcport, fcptemp,
3749                                     new_fcports, list) {
3750                                         list_del(&fcport->list);
3751                                         kfree(fcport);
3752                                 }
3753                                 rval = QLA_SUCCESS;
3754                                 break;
3755                         }
3756                 }
3757
3758                 /* If wrap on switch device list, exit. */
3759                 if (first_dev) {
3760                         wrap.b24 = new_fcport->d_id.b24;
3761                         first_dev = 0;
3762                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3763                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3764                             "Device wrap (%02x%02x%02x).\n",
3765                             new_fcport->d_id.b.domain,
3766                             new_fcport->d_id.b.area,
3767                             new_fcport->d_id.b.al_pa);
3768                         break;
3769                 }
3770
3771                 /* Bypass if same physical adapter. */
3772                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3773                         continue;
3774
3775                 /* Bypass virtual ports of the same host. */
3776                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3777                         continue;
3778
3779                 /* Bypass if same domain and area of adapter. */
3780                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3781                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3782                         ISP_CFG_FL)
3783                             continue;
3784
3785                 /* Bypass reserved domain fields. */
3786                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3787                         continue;
3788
3789                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3790                 if (ql2xgffidenable &&
3791                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3792                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3793                         continue;
3794
3795                 /* Locate matching device in database. */
3796                 found = 0;
3797                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3798                         if (memcmp(new_fcport->port_name, fcport->port_name,
3799                             WWN_SIZE))
3800                                 continue;
3801
3802                         fcport->scan_state = QLA_FCPORT_FOUND;
3803
3804                         found++;
3805
3806                         /* Update port state. */
3807                         memcpy(fcport->fabric_port_name,
3808                             new_fcport->fabric_port_name, WWN_SIZE);
3809                         fcport->fp_speed = new_fcport->fp_speed;
3810
3811                         /*
3812                          * If address the same and state FCS_ONLINE
3813                          * (or in target mode), nothing changed.
3814                          */
3815                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3816                             (atomic_read(&fcport->state) == FCS_ONLINE ||
3817                              !qla_ini_mode_enabled(base_vha))) {
3818                                 break;
3819                         }
3820
3821                         /*
3822                          * If device was not a fabric device before.
3823                          */
3824                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3825                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3826                                 qla2x00_clear_loop_id(fcport);
3827                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3828                                     FCF_LOGIN_NEEDED);
3829                                 break;
3830                         }
3831
3832                         /*
3833                          * Port ID changed or device was marked to be updated;
3834                          * Log it out if still logged in and mark it for
3835                          * relogin later.
3836                          */
3837                         if (!qla_ini_mode_enabled(base_vha)) {
3838                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
3839                                          "port changed FC ID, %8phC"
3840                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
3841                                          fcport->port_name,
3842                                          fcport->d_id.b.domain,
3843                                          fcport->d_id.b.area,
3844                                          fcport->d_id.b.al_pa,
3845                                          fcport->loop_id,
3846                                          new_fcport->d_id.b.domain,
3847                                          new_fcport->d_id.b.area,
3848                                          new_fcport->d_id.b.al_pa);
3849                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3850                                 break;
3851                         }
3852
3853                         fcport->d_id.b24 = new_fcport->d_id.b24;
3854                         fcport->flags |= FCF_LOGIN_NEEDED;
3855                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3856                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3857                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3858                             fcport->port_type != FCT_INITIATOR &&
3859                             fcport->port_type != FCT_BROADCAST) {
3860                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3861                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3862                                     fcport->d_id.b.al_pa);
3863                                 qla2x00_clear_loop_id(fcport);
3864                         }
3865
3866                         break;
3867                 }
3868
3869                 if (found)
3870                         continue;
3871                 /* If device was not in our fcports list, then add it. */
3872                 new_fcport->scan_state = QLA_FCPORT_FOUND;
3873                 list_add_tail(&new_fcport->list, new_fcports);
3874
3875                 /* Allocate a new replacement fcport. */
3876                 nxt_d_id.b24 = new_fcport->d_id.b24;
3877                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3878                 if (new_fcport == NULL) {
3879                         ql_log(ql_log_warn, vha, 0x2066,
3880                             "Memory allocation failed for fcport.\n");
3881                         return (QLA_MEMORY_ALLOC_FAILED);
3882                 }
3883                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3884                 new_fcport->d_id.b24 = nxt_d_id.b24;
3885         }
3886
3887         kfree(new_fcport);
3888
3889         return (rval);
3890 }
3891
3892 /*
3893  * qla2x00_find_new_loop_id
3894  *      Scan through our port list and find a new usable loop ID.
3895  *
3896  * Input:
3897  *      ha:     adapter state pointer.
3898  *      dev:    port structure pointer.
3899  *
3900  * Returns:
3901  *      qla2x00 local function return status code.
3902  *
3903  * Context:
3904  *      Kernel context.
3905  */
3906 int
3907 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3908 {
3909         int     rval;
3910         struct qla_hw_data *ha = vha->hw;
3911         unsigned long flags = 0;
3912
3913         rval = QLA_SUCCESS;
3914
3915         spin_lock_irqsave(&ha->vport_slock, flags);
3916
3917         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3918             LOOPID_MAP_SIZE);
3919         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3920             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3921                 dev->loop_id = FC_NO_LOOP_ID;
3922                 rval = QLA_FUNCTION_FAILED;
3923         } else
3924                 set_bit(dev->loop_id, ha->loop_id_map);
3925
3926         spin_unlock_irqrestore(&ha->vport_slock, flags);
3927
3928         if (rval == QLA_SUCCESS)
3929                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3930                     "Assigning new loopid=%x, portid=%x.\n",
3931                     dev->loop_id, dev->d_id.b24);
3932         else
3933                 ql_log(ql_log_warn, dev->vha, 0x2087,
3934                     "No loop_id's available, portid=%x.\n",
3935                     dev->d_id.b24);
3936
3937         return (rval);
3938 }
3939
3940 /*
3941  * qla2x00_fabric_dev_login
3942  *      Login fabric target device and update FC port database.
3943  *
3944  * Input:
3945  *      ha:             adapter state pointer.
3946  *      fcport:         port structure list pointer.
3947  *      next_loopid:    contains value of a new loop ID that can be used
3948  *                      by the next login attempt.
3949  *
3950  * Returns:
3951  *      qla2x00 local function return status code.
3952  *
3953  * Context:
3954  *      Kernel context.
3955  */
3956 static int
3957 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3958     uint16_t *next_loopid)
3959 {
3960         int     rval;
3961         int     retry;
3962         uint8_t opts;
3963         struct qla_hw_data *ha = vha->hw;
3964
3965         rval = QLA_SUCCESS;
3966         retry = 0;
3967
3968         if (IS_ALOGIO_CAPABLE(ha)) {
3969                 if (fcport->flags & FCF_ASYNC_SENT)
3970                         return rval;
3971                 fcport->flags |= FCF_ASYNC_SENT;
3972                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3973                 if (!rval)
3974                         return rval;
3975         }
3976
3977         fcport->flags &= ~FCF_ASYNC_SENT;
3978         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3979         if (rval == QLA_SUCCESS) {
3980                 /* Send an ADISC to FCP2 devices.*/
3981                 opts = 0;
3982                 if (fcport->flags & FCF_FCP2_DEVICE)
3983                         opts |= BIT_1;
3984                 rval = qla2x00_get_port_database(vha, fcport, opts);
3985                 if (rval != QLA_SUCCESS) {
3986                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3987                             fcport->d_id.b.domain, fcport->d_id.b.area,
3988                             fcport->d_id.b.al_pa);
3989                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3990                 } else {
3991                         qla2x00_update_fcport(vha, fcport);
3992                 }
3993         } else {
3994                 /* Retry Login. */
3995                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3996         }
3997
3998         return (rval);
3999 }
4000
4001 /*
4002  * qla2x00_fabric_login
4003  *      Issue fabric login command.
4004  *
4005  * Input:
4006  *      ha = adapter block pointer.
4007  *      device = pointer to FC device type structure.
4008  *
4009  * Returns:
4010  *      0 - Login successfully
4011  *      1 - Login failed
4012  *      2 - Initiator device
4013  *      3 - Fatal error
4014  */
4015 int
4016 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
4017     uint16_t *next_loopid)
4018 {
4019         int     rval;
4020         int     retry;
4021         uint16_t tmp_loopid;
4022         uint16_t mb[MAILBOX_REGISTER_COUNT];
4023         struct qla_hw_data *ha = vha->hw;
4024
4025         retry = 0;
4026         tmp_loopid = 0;
4027
4028         for (;;) {
4029                 ql_dbg(ql_dbg_disc, vha, 0x2000,
4030                     "Trying Fabric Login w/loop id 0x%04x for port "
4031                     "%02x%02x%02x.\n",
4032                     fcport->loop_id, fcport->d_id.b.domain,
4033                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
4034
4035                 /* Login fcport on switch. */
4036                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
4037                     fcport->d_id.b.domain, fcport->d_id.b.area,
4038                     fcport->d_id.b.al_pa, mb, BIT_0);
4039                 if (rval != QLA_SUCCESS) {
4040                         return rval;
4041                 }
4042                 if (mb[0] == MBS_PORT_ID_USED) {
4043                         /*
4044                          * Device has another loop ID.  The firmware team
4045                          * recommends the driver perform an implicit login with
4046                          * the specified ID again. The ID we just used is save
4047                          * here so we return with an ID that can be tried by
4048                          * the next login.
4049                          */
4050                         retry++;
4051                         tmp_loopid = fcport->loop_id;
4052                         fcport->loop_id = mb[1];
4053
4054                         ql_dbg(ql_dbg_disc, vha, 0x2001,
4055                             "Fabric Login: port in use - next loop "
4056                             "id=0x%04x, port id= %02x%02x%02x.\n",
4057                             fcport->loop_id, fcport->d_id.b.domain,
4058                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
4059
4060                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
4061                         /*
4062                          * Login succeeded.
4063                          */
4064                         if (retry) {
4065                                 /* A retry occurred before. */
4066                                 *next_loopid = tmp_loopid;
4067                         } else {
4068                                 /*
4069                                  * No retry occurred before. Just increment the
4070                                  * ID value for next login.
4071                                  */
4072                                 *next_loopid = (fcport->loop_id + 1);
4073                         }
4074
4075                         if (mb[1] & BIT_0) {
4076                                 fcport->port_type = FCT_INITIATOR;
4077                         } else {
4078                                 fcport->port_type = FCT_TARGET;
4079                                 if (mb[1] & BIT_1) {
4080                                         fcport->flags |= FCF_FCP2_DEVICE;
4081                                 }
4082                         }
4083
4084                         if (mb[10] & BIT_0)
4085                                 fcport->supported_classes |= FC_COS_CLASS2;
4086                         if (mb[10] & BIT_1)
4087                                 fcport->supported_classes |= FC_COS_CLASS3;
4088
4089                         if (IS_FWI2_CAPABLE(ha)) {
4090                                 if (mb[10] & BIT_7)
4091                                         fcport->flags |=
4092                                             FCF_CONF_COMP_SUPPORTED;
4093                         }
4094
4095                         rval = QLA_SUCCESS;
4096                         break;
4097                 } else if (mb[0] == MBS_LOOP_ID_USED) {
4098                         /*
4099                          * Loop ID already used, try next loop ID.
4100                          */
4101                         fcport->loop_id++;
4102                         rval = qla2x00_find_new_loop_id(vha, fcport);
4103                         if (rval != QLA_SUCCESS) {
4104                                 /* Ran out of loop IDs to use */
4105                                 break;
4106                         }
4107                 } else if (mb[0] == MBS_COMMAND_ERROR) {
4108                         /*
4109                          * Firmware possibly timed out during login. If NO
4110                          * retries are left to do then the device is declared
4111                          * dead.
4112                          */
4113                         *next_loopid = fcport->loop_id;
4114                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4115                             fcport->d_id.b.domain, fcport->d_id.b.area,
4116                             fcport->d_id.b.al_pa);
4117                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
4118
4119                         rval = 1;
4120                         break;
4121                 } else {
4122                         /*
4123                          * unrecoverable / not handled error
4124                          */
4125                         ql_dbg(ql_dbg_disc, vha, 0x2002,
4126                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
4127                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
4128                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
4129                             fcport->loop_id, jiffies);
4130
4131                         *next_loopid = fcport->loop_id;
4132                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4133                             fcport->d_id.b.domain, fcport->d_id.b.area,
4134                             fcport->d_id.b.al_pa);
4135                         qla2x00_clear_loop_id(fcport);
4136                         fcport->login_retry = 0;
4137
4138                         rval = 3;
4139                         break;
4140                 }
4141         }
4142
4143         return (rval);
4144 }
4145
4146 /*
4147  * qla2x00_local_device_login
4148  *      Issue local device login command.
4149  *
4150  * Input:
4151  *      ha = adapter block pointer.
4152  *      loop_id = loop id of device to login to.
4153  *
4154  * Returns (Where's the #define!!!!):
4155  *      0 - Login successfully
4156  *      1 - Login failed
4157  *      3 - Fatal error
4158  */
4159 int
4160 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
4161 {
4162         int             rval;
4163         uint16_t        mb[MAILBOX_REGISTER_COUNT];
4164
4165         memset(mb, 0, sizeof(mb));
4166         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
4167         if (rval == QLA_SUCCESS) {
4168                 /* Interrogate mailbox registers for any errors */
4169                 if (mb[0] == MBS_COMMAND_ERROR)
4170                         rval = 1;
4171                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
4172                         /* device not in PCB table */
4173                         rval = 3;
4174         }
4175
4176         return (rval);
4177 }
4178
4179 /*
4180  *  qla2x00_loop_resync
4181  *      Resync with fibre channel devices.
4182  *
4183  * Input:
4184  *      ha = adapter block pointer.
4185  *
4186  * Returns:
4187  *      0 = success
4188  */
4189 int
4190 qla2x00_loop_resync(scsi_qla_host_t *vha)
4191 {
4192         int rval = QLA_SUCCESS;
4193         uint32_t wait_time;
4194         struct req_que *req;
4195         struct rsp_que *rsp;
4196
4197         if (vha->hw->flags.cpu_affinity_enabled)
4198                 req = vha->hw->req_q_map[0];
4199         else
4200                 req = vha->req;
4201         rsp = req->rsp;
4202
4203         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4204         if (vha->flags.online) {
4205                 if (!(rval = qla2x00_fw_ready(vha))) {
4206                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4207                         wait_time = 256;
4208                         do {
4209                                 if (!IS_QLAFX00(vha->hw)) {
4210                                         /*
4211                                          * Issue a marker after FW becomes
4212                                          * ready.
4213                                          */
4214                                         qla2x00_marker(vha, req, rsp, 0, 0,
4215                                                 MK_SYNC_ALL);
4216                                         vha->marker_needed = 0;
4217                                 }
4218
4219                                 /* Remap devices on Loop. */
4220                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4221
4222                                 if (IS_QLAFX00(vha->hw))
4223                                         qlafx00_configure_devices(vha);
4224                                 else
4225                                         qla2x00_configure_loop(vha);
4226
4227                                 wait_time--;
4228                         } while (!atomic_read(&vha->loop_down_timer) &&
4229                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4230                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4231                                 &vha->dpc_flags)));
4232                 }
4233         }
4234
4235         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4236                 return (QLA_FUNCTION_FAILED);
4237
4238         if (rval)
4239                 ql_dbg(ql_dbg_disc, vha, 0x206c,
4240                     "%s *** FAILED ***.\n", __func__);
4241
4242         return (rval);
4243 }
4244
4245 /*
4246 * qla2x00_perform_loop_resync
4247 * Description: This function will set the appropriate flags and call
4248 *              qla2x00_loop_resync. If successful loop will be resynced
4249 * Arguments : scsi_qla_host_t pointer
4250 * returm    : Success or Failure
4251 */
4252
4253 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
4254 {
4255         int32_t rval = 0;
4256
4257         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
4258                 /*Configure the flags so that resync happens properly*/
4259                 atomic_set(&ha->loop_down_timer, 0);
4260                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
4261                         atomic_set(&ha->loop_state, LOOP_UP);
4262                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4263                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
4264                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4265
4266                         rval = qla2x00_loop_resync(ha);
4267                 } else
4268                         atomic_set(&ha->loop_state, LOOP_DEAD);
4269
4270                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
4271         }
4272
4273         return rval;
4274 }
4275
4276 void
4277 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
4278 {
4279         fc_port_t *fcport;
4280         struct scsi_qla_host *vha;
4281         struct qla_hw_data *ha = base_vha->hw;
4282         unsigned long flags;
4283
4284         spin_lock_irqsave(&ha->vport_slock, flags);
4285         /* Go with deferred removal of rport references. */
4286         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
4287                 atomic_inc(&vha->vref_count);
4288                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4289                         if (fcport->drport &&
4290                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
4291                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4292                                 qla2x00_rport_del(fcport);
4293
4294                                 /*
4295                                  * Release the target mode FC NEXUS in
4296                                  * qla_target.c, if target mod is enabled.
4297                                  */
4298                                 qlt_fc_port_deleted(vha, fcport,
4299                                     base_vha->total_fcport_update_gen);
4300
4301                                 spin_lock_irqsave(&ha->vport_slock, flags);
4302                         }
4303                 }
4304                 atomic_dec(&vha->vref_count);
4305         }
4306         spin_unlock_irqrestore(&ha->vport_slock, flags);
4307 }
4308
4309 /* Assumes idc_lock always held on entry */
4310 void
4311 qla83xx_reset_ownership(scsi_qla_host_t *vha)
4312 {
4313         struct qla_hw_data *ha = vha->hw;
4314         uint32_t drv_presence, drv_presence_mask;
4315         uint32_t dev_part_info1, dev_part_info2, class_type;
4316         uint32_t class_type_mask = 0x3;
4317         uint16_t fcoe_other_function = 0xffff, i;
4318
4319         if (IS_QLA8044(ha)) {
4320                 drv_presence = qla8044_rd_direct(vha,
4321                     QLA8044_CRB_DRV_ACTIVE_INDEX);
4322                 dev_part_info1 = qla8044_rd_direct(vha,
4323                     QLA8044_CRB_DEV_PART_INFO_INDEX);
4324                 dev_part_info2 = qla8044_rd_direct(vha,
4325                     QLA8044_CRB_DEV_PART_INFO2);
4326         } else {
4327                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4328                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4329                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4330         }
4331         for (i = 0; i < 8; i++) {
4332                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4333                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4334                     (i != ha->portnum)) {
4335                         fcoe_other_function = i;
4336                         break;
4337                 }
4338         }
4339         if (fcoe_other_function == 0xffff) {
4340                 for (i = 0; i < 8; i++) {
4341                         class_type = ((dev_part_info2 >> (i * 4)) &
4342                             class_type_mask);
4343                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4344                             ((i + 8) != ha->portnum)) {
4345                                 fcoe_other_function = i + 8;
4346                                 break;
4347                         }
4348                 }
4349         }
4350         /*
4351          * Prepare drv-presence mask based on fcoe functions present.
4352          * However consider only valid physical fcoe function numbers (0-15).
4353          */
4354         drv_presence_mask = ~((1 << (ha->portnum)) |
4355                         ((fcoe_other_function == 0xffff) ?
4356                          0 : (1 << (fcoe_other_function))));
4357
4358         /* We are the reset owner iff:
4359          *    - No other protocol drivers present.
4360          *    - This is the lowest among fcoe functions. */
4361         if (!(drv_presence & drv_presence_mask) &&
4362                         (ha->portnum < fcoe_other_function)) {
4363                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4364                     "This host is Reset owner.\n");
4365                 ha->flags.nic_core_reset_owner = 1;
4366         }
4367 }
4368
4369 static int
4370 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4371 {
4372         int rval = QLA_SUCCESS;
4373         struct qla_hw_data *ha = vha->hw;
4374         uint32_t drv_ack;
4375
4376         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4377         if (rval == QLA_SUCCESS) {
4378                 drv_ack |= (1 << ha->portnum);
4379                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4380         }
4381
4382         return rval;
4383 }
4384
4385 static int
4386 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4387 {
4388         int rval = QLA_SUCCESS;
4389         struct qla_hw_data *ha = vha->hw;
4390         uint32_t drv_ack;
4391
4392         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4393         if (rval == QLA_SUCCESS) {
4394                 drv_ack &= ~(1 << ha->portnum);
4395                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4396         }
4397
4398         return rval;
4399 }
4400
4401 static const char *
4402 qla83xx_dev_state_to_string(uint32_t dev_state)
4403 {
4404         switch (dev_state) {
4405         case QLA8XXX_DEV_COLD:
4406                 return "COLD/RE-INIT";
4407         case QLA8XXX_DEV_INITIALIZING:
4408                 return "INITIALIZING";
4409         case QLA8XXX_DEV_READY:
4410                 return "READY";
4411         case QLA8XXX_DEV_NEED_RESET:
4412                 return "NEED RESET";
4413         case QLA8XXX_DEV_NEED_QUIESCENT:
4414                 return "NEED QUIESCENT";
4415         case QLA8XXX_DEV_FAILED:
4416                 return "FAILED";
4417         case QLA8XXX_DEV_QUIESCENT:
4418                 return "QUIESCENT";
4419         default:
4420                 return "Unknown";
4421         }
4422 }
4423
4424 /* Assumes idc-lock always held on entry */
4425 void
4426 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4427 {
4428         struct qla_hw_data *ha = vha->hw;
4429         uint32_t idc_audit_reg = 0, duration_secs = 0;
4430
4431         switch (audit_type) {
4432         case IDC_AUDIT_TIMESTAMP:
4433                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4434                 idc_audit_reg = (ha->portnum) |
4435                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4436                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4437                 break;
4438
4439         case IDC_AUDIT_COMPLETION:
4440                 duration_secs = ((jiffies_to_msecs(jiffies) -
4441                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4442                 idc_audit_reg = (ha->portnum) |
4443                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4444                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4445                 break;
4446
4447         default:
4448                 ql_log(ql_log_warn, vha, 0xb078,
4449                     "Invalid audit type specified.\n");
4450                 break;
4451         }
4452 }
4453
4454 /* Assumes idc_lock always held on entry */
4455 static int
4456 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4457 {
4458         struct qla_hw_data *ha = vha->hw;
4459         uint32_t  idc_control, dev_state;
4460
4461         __qla83xx_get_idc_control(vha, &idc_control);
4462         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4463                 ql_log(ql_log_info, vha, 0xb080,
4464                     "NIC Core reset has been disabled. idc-control=0x%x\n",
4465                     idc_control);
4466                 return QLA_FUNCTION_FAILED;
4467         }
4468
4469         /* Set NEED-RESET iff in READY state and we are the reset-owner */
4470         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4471         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4472                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4473                     QLA8XXX_DEV_NEED_RESET);
4474                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4475                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4476         } else {
4477                 const char *state = qla83xx_dev_state_to_string(dev_state);
4478                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4479
4480                 /* SV: XXX: Is timeout required here? */
4481                 /* Wait for IDC state change READY -> NEED_RESET */
4482                 while (dev_state == QLA8XXX_DEV_READY) {
4483                         qla83xx_idc_unlock(vha, 0);
4484                         msleep(200);
4485                         qla83xx_idc_lock(vha, 0);
4486                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4487                 }
4488         }
4489
4490         /* Send IDC ack by writing to drv-ack register */
4491         __qla83xx_set_drv_ack(vha);
4492
4493         return QLA_SUCCESS;
4494 }
4495
4496 int
4497 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4498 {
4499         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4500 }
4501
4502 int
4503 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4504 {
4505         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4506 }
4507
4508 static int
4509 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4510 {
4511         uint32_t drv_presence = 0;
4512         struct qla_hw_data *ha = vha->hw;
4513
4514         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4515         if (drv_presence & (1 << ha->portnum))
4516                 return QLA_SUCCESS;
4517         else
4518                 return QLA_TEST_FAILED;
4519 }
4520
4521 int
4522 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4523 {
4524         int rval = QLA_SUCCESS;
4525         struct qla_hw_data *ha = vha->hw;
4526
4527         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4528             "Entered  %s().\n", __func__);
4529
4530         if (vha->device_flags & DFLG_DEV_FAILED) {
4531                 ql_log(ql_log_warn, vha, 0xb059,
4532                     "Device in unrecoverable FAILED state.\n");
4533                 return QLA_FUNCTION_FAILED;
4534         }
4535
4536         qla83xx_idc_lock(vha, 0);
4537
4538         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4539                 ql_log(ql_log_warn, vha, 0xb05a,
4540                     "Function=0x%x has been removed from IDC participation.\n",
4541                     ha->portnum);
4542                 rval = QLA_FUNCTION_FAILED;
4543                 goto exit;
4544         }
4545
4546         qla83xx_reset_ownership(vha);
4547
4548         rval = qla83xx_initiating_reset(vha);
4549
4550         /*
4551          * Perform reset if we are the reset-owner,
4552          * else wait till IDC state changes to READY/FAILED.
4553          */
4554         if (rval == QLA_SUCCESS) {
4555                 rval = qla83xx_idc_state_handler(vha);
4556
4557                 if (rval == QLA_SUCCESS)
4558                         ha->flags.nic_core_hung = 0;
4559                 __qla83xx_clear_drv_ack(vha);
4560         }
4561
4562 exit:
4563         qla83xx_idc_unlock(vha, 0);
4564
4565         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4566
4567         return rval;
4568 }
4569
4570 int
4571 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4572 {
4573         struct qla_hw_data *ha = vha->hw;
4574         int rval = QLA_FUNCTION_FAILED;
4575
4576         if (!IS_MCTP_CAPABLE(ha)) {
4577                 /* This message can be removed from the final version */
4578                 ql_log(ql_log_info, vha, 0x506d,
4579                     "This board is not MCTP capable\n");
4580                 return rval;
4581         }
4582
4583         if (!ha->mctp_dump) {
4584                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4585                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4586
4587                 if (!ha->mctp_dump) {
4588                         ql_log(ql_log_warn, vha, 0x506e,
4589                             "Failed to allocate memory for mctp dump\n");
4590                         return rval;
4591                 }
4592         }
4593
4594 #define MCTP_DUMP_STR_ADDR      0x00000000
4595         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4596             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4597         if (rval != QLA_SUCCESS) {
4598                 ql_log(ql_log_warn, vha, 0x506f,
4599                     "Failed to capture mctp dump\n");
4600         } else {
4601                 ql_log(ql_log_info, vha, 0x5070,
4602                     "Mctp dump capture for host (%ld/%p).\n",
4603                     vha->host_no, ha->mctp_dump);
4604                 ha->mctp_dumped = 1;
4605         }
4606
4607         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4608                 ha->flags.nic_core_reset_hdlr_active = 1;
4609                 rval = qla83xx_restart_nic_firmware(vha);
4610                 if (rval)
4611                         /* NIC Core reset failed. */
4612                         ql_log(ql_log_warn, vha, 0x5071,
4613                             "Failed to restart nic firmware\n");
4614                 else
4615                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4616                             "Restarted NIC firmware successfully.\n");
4617                 ha->flags.nic_core_reset_hdlr_active = 0;
4618         }
4619
4620         return rval;
4621
4622 }
4623
4624 /*
4625 * qla2x00_quiesce_io
4626 * Description: This function will block the new I/Os
4627 *              Its not aborting any I/Os as context
4628 *              is not destroyed during quiescence
4629 * Arguments: scsi_qla_host_t
4630 * return   : void
4631 */
4632 void
4633 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4634 {
4635         struct qla_hw_data *ha = vha->hw;
4636         struct scsi_qla_host *vp;
4637
4638         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4639             "Quiescing I/O - ha=%p.\n", ha);
4640
4641         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4642         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4643                 atomic_set(&vha->loop_state, LOOP_DOWN);
4644                 qla2x00_mark_all_devices_lost(vha, 0);
4645                 list_for_each_entry(vp, &ha->vp_list, list)
4646                         qla2x00_mark_all_devices_lost(vp, 0);
4647         } else {
4648                 if (!atomic_read(&vha->loop_down_timer))
4649                         atomic_set(&vha->loop_down_timer,
4650                                         LOOP_DOWN_TIME);
4651         }
4652         /* Wait for pending cmds to complete */
4653         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4654 }
4655
4656 void
4657 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4658 {
4659         struct qla_hw_data *ha = vha->hw;
4660         struct scsi_qla_host *vp;
4661         unsigned long flags;
4662         fc_port_t *fcport;
4663
4664         /* For ISP82XX, driver waits for completion of the commands.
4665          * online flag should be set.
4666          */
4667         if (!(IS_P3P_TYPE(ha)))
4668                 vha->flags.online = 0;
4669         ha->flags.chip_reset_done = 0;
4670         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4671         vha->qla_stats.total_isp_aborts++;
4672
4673         ql_log(ql_log_info, vha, 0x00af,
4674             "Performing ISP error recovery - ha=%p.\n", ha);
4675
4676         /* For ISP82XX, reset_chip is just disabling interrupts.
4677          * Driver waits for the completion of the commands.
4678          * the interrupts need to be enabled.
4679          */
4680         if (!(IS_P3P_TYPE(ha)))
4681                 ha->isp_ops->reset_chip(vha);
4682
4683         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4684         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4685                 atomic_set(&vha->loop_state, LOOP_DOWN);
4686                 qla2x00_mark_all_devices_lost(vha, 0);
4687
4688                 spin_lock_irqsave(&ha->vport_slock, flags);
4689                 list_for_each_entry(vp, &ha->vp_list, list) {
4690                         atomic_inc(&vp->vref_count);
4691                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4692
4693                         qla2x00_mark_all_devices_lost(vp, 0);
4694
4695                         spin_lock_irqsave(&ha->vport_slock, flags);
4696                         atomic_dec(&vp->vref_count);
4697                 }
4698                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4699         } else {
4700                 if (!atomic_read(&vha->loop_down_timer))
4701                         atomic_set(&vha->loop_down_timer,
4702                             LOOP_DOWN_TIME);
4703         }
4704
4705         /* Clear all async request states across all VPs. */
4706         list_for_each_entry(fcport, &vha->vp_fcports, list)
4707                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4708         spin_lock_irqsave(&ha->vport_slock, flags);
4709         list_for_each_entry(vp, &ha->vp_list, list) {
4710                 atomic_inc(&vp->vref_count);
4711                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4712
4713                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4714                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4715
4716                 spin_lock_irqsave(&ha->vport_slock, flags);
4717                 atomic_dec(&vp->vref_count);
4718         }
4719         spin_unlock_irqrestore(&ha->vport_slock, flags);
4720
4721         if (!ha->flags.eeh_busy) {
4722                 /* Make sure for ISP 82XX IO DMA is complete */
4723                 if (IS_P3P_TYPE(ha)) {
4724                         qla82xx_chip_reset_cleanup(vha);
4725                         ql_log(ql_log_info, vha, 0x00b4,
4726                             "Done chip reset cleanup.\n");
4727
4728                         /* Done waiting for pending commands.
4729                          * Reset the online flag.
4730                          */
4731                         vha->flags.online = 0;
4732                 }
4733
4734                 /* Requeue all commands in outstanding command list. */
4735                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4736         }
4737
4738         ha->chip_reset++;
4739         /* memory barrier */
4740         wmb();
4741 }
4742
4743 /*
4744 *  qla2x00_abort_isp
4745 *      Resets ISP and aborts all outstanding commands.
4746 *
4747 * Input:
4748 *      ha           = adapter block pointer.
4749 *
4750 * Returns:
4751 *      0 = success
4752 */
4753 int
4754 qla2x00_abort_isp(scsi_qla_host_t *vha)
4755 {
4756         int rval;
4757         uint8_t        status = 0;
4758         struct qla_hw_data *ha = vha->hw;
4759         struct scsi_qla_host *vp;
4760         struct req_que *req = ha->req_q_map[0];
4761         unsigned long flags;
4762
4763         if (vha->flags.online) {
4764                 qla2x00_abort_isp_cleanup(vha);
4765
4766                 if (IS_QLA8031(ha)) {
4767                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4768                             "Clearing fcoe driver presence.\n");
4769                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4770                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4771                                     "Error while clearing DRV-Presence.\n");
4772                 }
4773
4774                 if (unlikely(pci_channel_offline(ha->pdev) &&
4775                     ha->flags.pci_channel_io_perm_failure)) {
4776                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4777                         status = 0;
4778                         return status;
4779                 }
4780
4781                 ha->isp_ops->get_flash_version(vha, req->ring);
4782
4783                 ha->isp_ops->nvram_config(vha);
4784
4785                 if (!qla2x00_restart_isp(vha)) {
4786                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4787
4788                         if (!atomic_read(&vha->loop_down_timer)) {
4789                                 /*
4790                                  * Issue marker command only when we are going
4791                                  * to start the I/O .
4792                                  */
4793                                 vha->marker_needed = 1;
4794                         }
4795
4796                         vha->flags.online = 1;
4797
4798                         ha->isp_ops->enable_intrs(ha);
4799
4800                         ha->isp_abort_cnt = 0;
4801                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4802
4803                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4804                                 qla2x00_get_fw_version(vha);
4805                         if (ha->fce) {
4806                                 ha->flags.fce_enabled = 1;
4807                                 memset(ha->fce, 0,
4808                                     fce_calc_size(ha->fce_bufs));
4809                                 rval = qla2x00_enable_fce_trace(vha,
4810                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4811                                     &ha->fce_bufs);
4812                                 if (rval) {
4813                                         ql_log(ql_log_warn, vha, 0x8033,
4814                                             "Unable to reinitialize FCE "
4815                                             "(%d).\n", rval);
4816                                         ha->flags.fce_enabled = 0;
4817                                 }
4818                         }
4819
4820                         if (ha->eft) {
4821                                 memset(ha->eft, 0, EFT_SIZE);
4822                                 rval = qla2x00_enable_eft_trace(vha,
4823                                     ha->eft_dma, EFT_NUM_BUFFERS);
4824                                 if (rval) {
4825                                         ql_log(ql_log_warn, vha, 0x8034,
4826                                             "Unable to reinitialize EFT "
4827                                             "(%d).\n", rval);
4828                                 }
4829                         }
4830                 } else {        /* failed the ISP abort */
4831                         vha->flags.online = 1;
4832                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4833                                 if (ha->isp_abort_cnt == 0) {
4834                                         ql_log(ql_log_fatal, vha, 0x8035,
4835                                             "ISP error recover failed - "
4836                                             "board disabled.\n");
4837                                         /*
4838                                          * The next call disables the board
4839                                          * completely.
4840                                          */
4841                                         ha->isp_ops->reset_adapter(vha);
4842                                         vha->flags.online = 0;
4843                                         clear_bit(ISP_ABORT_RETRY,
4844                                             &vha->dpc_flags);
4845                                         status = 0;
4846                                 } else { /* schedule another ISP abort */
4847                                         ha->isp_abort_cnt--;
4848                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4849                                             "ISP abort - retry remaining %d.\n",
4850                                             ha->isp_abort_cnt);
4851                                         status = 1;
4852                                 }
4853                         } else {
4854                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4855                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4856                                     "ISP error recovery - retrying (%d) "
4857                                     "more times.\n", ha->isp_abort_cnt);
4858                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4859                                 status = 1;
4860                         }
4861                 }
4862
4863         }
4864
4865         if (!status) {
4866                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4867
4868                 spin_lock_irqsave(&ha->vport_slock, flags);
4869                 list_for_each_entry(vp, &ha->vp_list, list) {
4870                         if (vp->vp_idx) {
4871                                 atomic_inc(&vp->vref_count);
4872                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4873
4874                                 qla2x00_vp_abort_isp(vp);
4875
4876                                 spin_lock_irqsave(&ha->vport_slock, flags);
4877                                 atomic_dec(&vp->vref_count);
4878                         }
4879                 }
4880                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4881
4882                 if (IS_QLA8031(ha)) {
4883                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4884                             "Setting back fcoe driver presence.\n");
4885                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4886                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4887                                     "Error while setting DRV-Presence.\n");
4888                 }
4889         } else {
4890                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4891                        __func__);
4892         }
4893
4894         return(status);
4895 }
4896
4897 /*
4898 *  qla2x00_restart_isp
4899 *      restarts the ISP after a reset
4900 *
4901 * Input:
4902 *      ha = adapter block pointer.
4903 *
4904 * Returns:
4905 *      0 = success
4906 */
4907 static int
4908 qla2x00_restart_isp(scsi_qla_host_t *vha)
4909 {
4910         int status = 0;
4911         struct qla_hw_data *ha = vha->hw;
4912         struct req_que *req = ha->req_q_map[0];
4913         struct rsp_que *rsp = ha->rsp_q_map[0];
4914         unsigned long flags;
4915
4916         /* If firmware needs to be loaded */
4917         if (qla2x00_isp_firmware(vha)) {
4918                 vha->flags.online = 0;
4919                 status = ha->isp_ops->chip_diag(vha);
4920                 if (!status)
4921                         status = qla2x00_setup_chip(vha);
4922         }
4923
4924         if (!status && !(status = qla2x00_init_rings(vha))) {
4925                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4926                 ha->flags.chip_reset_done = 1;
4927
4928                 /* Initialize the queues in use */
4929                 qla25xx_init_queues(ha);
4930
4931                 status = qla2x00_fw_ready(vha);
4932                 if (!status) {
4933                         /* Issue a marker after FW becomes ready. */
4934                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4935
4936                         vha->flags.online = 1;
4937
4938                         /*
4939                          * Process any ATIO queue entries that came in
4940                          * while we weren't online.
4941                          */
4942                         spin_lock_irqsave(&ha->hardware_lock, flags);
4943                         if (qla_tgt_mode_enabled(vha))
4944                                 qlt_24xx_process_atio_queue(vha);
4945                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4946
4947                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4948                 }
4949
4950                 /* if no cable then assume it's good */
4951                 if ((vha->device_flags & DFLG_NO_CABLE))
4952                         status = 0;
4953         }
4954         return (status);
4955 }
4956
4957 static int
4958 qla25xx_init_queues(struct qla_hw_data *ha)
4959 {
4960         struct rsp_que *rsp = NULL;
4961         struct req_que *req = NULL;
4962         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4963         int ret = -1;
4964         int i;
4965
4966         for (i = 1; i < ha->max_rsp_queues; i++) {
4967                 rsp = ha->rsp_q_map[i];
4968                 if (rsp) {
4969                         rsp->options &= ~BIT_0;
4970                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4971                         if (ret != QLA_SUCCESS)
4972                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4973                                     "%s Rsp que: %d init failed.\n",
4974                                     __func__, rsp->id);
4975                         else
4976                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4977                                     "%s Rsp que: %d inited.\n",
4978                                     __func__, rsp->id);
4979                 }
4980         }
4981         for (i = 1; i < ha->max_req_queues; i++) {
4982                 req = ha->req_q_map[i];
4983                 if (req) {
4984                 /* Clear outstanding commands array. */
4985                         req->options &= ~BIT_0;
4986                         ret = qla25xx_init_req_que(base_vha, req);
4987                         if (ret != QLA_SUCCESS)
4988                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4989                                     "%s Req que: %d init failed.\n",
4990                                     __func__, req->id);
4991                         else
4992                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4993                                     "%s Req que: %d inited.\n",
4994                                     __func__, req->id);
4995                 }
4996         }
4997         return ret;
4998 }
4999
5000 /*
5001 * qla2x00_reset_adapter
5002 *      Reset adapter.
5003 *
5004 * Input:
5005 *      ha = adapter block pointer.
5006 */
5007 void
5008 qla2x00_reset_adapter(scsi_qla_host_t *vha)
5009 {
5010         unsigned long flags = 0;
5011         struct qla_hw_data *ha = vha->hw;
5012         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5013
5014         vha->flags.online = 0;
5015         ha->isp_ops->disable_intrs(ha);
5016
5017         spin_lock_irqsave(&ha->hardware_lock, flags);
5018         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
5019         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
5020         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
5021         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
5022         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5023 }
5024
5025 void
5026 qla24xx_reset_adapter(scsi_qla_host_t *vha)
5027 {
5028         unsigned long flags = 0;
5029         struct qla_hw_data *ha = vha->hw;
5030         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
5031
5032         if (IS_P3P_TYPE(ha))
5033                 return;
5034
5035         vha->flags.online = 0;
5036         ha->isp_ops->disable_intrs(ha);
5037
5038         spin_lock_irqsave(&ha->hardware_lock, flags);
5039         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
5040         RD_REG_DWORD(&reg->hccr);
5041         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
5042         RD_REG_DWORD(&reg->hccr);
5043         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5044
5045         if (IS_NOPOLLING_TYPE(ha))
5046                 ha->isp_ops->enable_intrs(ha);
5047 }
5048
5049 /* On sparc systems, obtain port and node WWN from firmware
5050  * properties.
5051  */
5052 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
5053         struct nvram_24xx *nv)
5054 {
5055 #ifdef CONFIG_SPARC
5056         struct qla_hw_data *ha = vha->hw;
5057         struct pci_dev *pdev = ha->pdev;
5058         struct device_node *dp = pci_device_to_OF_node(pdev);
5059         const u8 *val;
5060         int len;
5061
5062         val = of_get_property(dp, "port-wwn", &len);
5063         if (val && len >= WWN_SIZE)
5064                 memcpy(nv->port_name, val, WWN_SIZE);
5065
5066         val = of_get_property(dp, "node-wwn", &len);
5067         if (val && len >= WWN_SIZE)
5068                 memcpy(nv->node_name, val, WWN_SIZE);
5069 #endif
5070 }
5071
5072 int
5073 qla24xx_nvram_config(scsi_qla_host_t *vha)
5074 {
5075         int   rval;
5076         struct init_cb_24xx *icb;
5077         struct nvram_24xx *nv;
5078         uint32_t *dptr;
5079         uint8_t  *dptr1, *dptr2;
5080         uint32_t chksum;
5081         uint16_t cnt;
5082         struct qla_hw_data *ha = vha->hw;
5083
5084         rval = QLA_SUCCESS;
5085         icb = (struct init_cb_24xx *)ha->init_cb;
5086         nv = ha->nvram;
5087
5088         /* Determine NVRAM starting address. */
5089         if (ha->port_no == 0) {
5090                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
5091                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
5092         } else {
5093                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
5094                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
5095         }
5096
5097         ha->nvram_size = sizeof(struct nvram_24xx);
5098         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5099
5100         /* Get VPD data into cache */
5101         ha->vpd = ha->nvram + VPD_OFFSET;
5102         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
5103             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
5104
5105         /* Get NVRAM data into cache and calculate checksum. */
5106         dptr = (uint32_t *)nv;
5107         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
5108             ha->nvram_size);
5109         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5110                 chksum += le32_to_cpu(*dptr++);
5111
5112         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
5113             "Contents of NVRAM\n");
5114         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
5115             (uint8_t *)nv, ha->nvram_size);
5116
5117         /* Bad NVRAM data, set defaults parameters. */
5118         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5119             || nv->id[3] != ' ' ||
5120             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5121                 /* Reset NVRAM data. */
5122                 ql_log(ql_log_warn, vha, 0x006b,
5123                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5124                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
5125                 ql_log(ql_log_warn, vha, 0x006c,
5126                     "Falling back to functioning (yet invalid -- WWPN) "
5127                     "defaults.\n");
5128
5129                 /*
5130                  * Set default initialization control block.
5131                  */
5132                 memset(nv, 0, ha->nvram_size);
5133                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5134                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5135                 nv->frame_payload_size = 2048;
5136                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5137                 nv->exchange_count = __constant_cpu_to_le16(0);
5138                 nv->hard_address = __constant_cpu_to_le16(124);
5139                 nv->port_name[0] = 0x21;
5140                 nv->port_name[1] = 0x00 + ha->port_no + 1;
5141                 nv->port_name[2] = 0x00;
5142                 nv->port_name[3] = 0xe0;
5143                 nv->port_name[4] = 0x8b;
5144                 nv->port_name[5] = 0x1c;
5145                 nv->port_name[6] = 0x55;
5146                 nv->port_name[7] = 0x86;
5147                 nv->node_name[0] = 0x20;
5148                 nv->node_name[1] = 0x00;
5149                 nv->node_name[2] = 0x00;
5150                 nv->node_name[3] = 0xe0;
5151                 nv->node_name[4] = 0x8b;
5152                 nv->node_name[5] = 0x1c;
5153                 nv->node_name[6] = 0x55;
5154                 nv->node_name[7] = 0x86;
5155                 qla24xx_nvram_wwn_from_ofw(vha, nv);
5156                 nv->login_retry_count = __constant_cpu_to_le16(8);
5157                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5158                 nv->login_timeout = __constant_cpu_to_le16(0);
5159                 nv->firmware_options_1 =
5160                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5161                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5162                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5163                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5164                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5165                 nv->efi_parameters = __constant_cpu_to_le32(0);
5166                 nv->reset_delay = 5;
5167                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5168                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5169                 nv->link_down_timeout = __constant_cpu_to_le16(30);
5170
5171                 rval = 1;
5172         }
5173
5174         if (!qla_ini_mode_enabled(vha)) {
5175                 /* Don't enable full login after initial LIP */
5176                 nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
5177                 /* Don't enable LIP full login for initiator */
5178                 nv->host_p &= __constant_cpu_to_le32(~BIT_10);
5179         }
5180
5181         qlt_24xx_config_nvram_stage1(vha, nv);
5182
5183         /* Reset Initialization control block */
5184         memset(icb, 0, ha->init_cb_size);
5185
5186         /* Copy 1st segment. */
5187         dptr1 = (uint8_t *)icb;
5188         dptr2 = (uint8_t *)&nv->version;
5189         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5190         while (cnt--)
5191                 *dptr1++ = *dptr2++;
5192
5193         icb->login_retry_count = nv->login_retry_count;
5194         icb->link_down_on_nos = nv->link_down_on_nos;
5195
5196         /* Copy 2nd segment. */
5197         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5198         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5199         cnt = (uint8_t *)&icb->reserved_3 -
5200             (uint8_t *)&icb->interrupt_delay_timer;
5201         while (cnt--)
5202                 *dptr1++ = *dptr2++;
5203
5204         /*
5205          * Setup driver NVRAM options.
5206          */
5207         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5208             "QLA2462");
5209
5210         qlt_24xx_config_nvram_stage2(vha, icb);
5211
5212         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5213                 /* Use alternate WWN? */
5214                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5215                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5216         }
5217
5218         /* Prepare nodename */
5219         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5220                 /*
5221                  * Firmware will apply the following mask if the nodename was
5222                  * not provided.
5223                  */
5224                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5225                 icb->node_name[0] &= 0xF0;
5226         }
5227
5228         /* Set host adapter parameters. */
5229         ha->flags.disable_risc_code_load = 0;
5230         ha->flags.enable_lip_reset = 0;
5231         ha->flags.enable_lip_full_login =
5232             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5233         ha->flags.enable_target_reset =
5234             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5235         ha->flags.enable_led_scheme = 0;
5236         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5237
5238         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5239             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5240
5241         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
5242             sizeof(ha->fw_seriallink_options24));
5243
5244         /* save HBA serial number */
5245         ha->serial0 = icb->port_name[5];
5246         ha->serial1 = icb->port_name[6];
5247         ha->serial2 = icb->port_name[7];
5248         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5249         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5250
5251         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5252
5253         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5254
5255         /* Set minimum login_timeout to 4 seconds. */
5256         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5257                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5258         if (le16_to_cpu(nv->login_timeout) < 4)
5259                 nv->login_timeout = __constant_cpu_to_le16(4);
5260         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5261         icb->login_timeout = nv->login_timeout;
5262
5263         /* Set minimum RATOV to 100 tenths of a second. */
5264         ha->r_a_tov = 100;
5265
5266         ha->loop_reset_delay = nv->reset_delay;
5267
5268         /* Link Down Timeout = 0:
5269          *
5270          *      When Port Down timer expires we will start returning
5271          *      I/O's to OS with "DID_NO_CONNECT".
5272          *
5273          * Link Down Timeout != 0:
5274          *
5275          *       The driver waits for the link to come up after link down
5276          *       before returning I/Os to OS with "DID_NO_CONNECT".
5277          */
5278         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5279                 ha->loop_down_abort_time =
5280                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5281         } else {
5282                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5283                 ha->loop_down_abort_time =
5284                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5285         }
5286
5287         /* Need enough time to try and get the port back. */
5288         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5289         if (qlport_down_retry)
5290                 ha->port_down_retry_count = qlport_down_retry;
5291
5292         /* Set login_retry_count */
5293         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5294         if (ha->port_down_retry_count ==
5295             le16_to_cpu(nv->port_down_retry_count) &&
5296             ha->port_down_retry_count > 3)
5297                 ha->login_retry_count = ha->port_down_retry_count;
5298         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5299                 ha->login_retry_count = ha->port_down_retry_count;
5300         if (ql2xloginretrycount)
5301                 ha->login_retry_count = ql2xloginretrycount;
5302
5303         /* Enable ZIO. */
5304         if (!vha->flags.init_done) {
5305                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5306                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5307                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5308                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5309         }
5310         icb->firmware_options_2 &= __constant_cpu_to_le32(
5311             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5312         vha->flags.process_response_queue = 0;
5313         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5314                 ha->zio_mode = QLA_ZIO_MODE_6;
5315
5316                 ql_log(ql_log_info, vha, 0x006f,
5317                     "ZIO mode %d enabled; timer delay (%d us).\n",
5318                     ha->zio_mode, ha->zio_timer * 100);
5319
5320                 icb->firmware_options_2 |= cpu_to_le32(
5321                     (uint32_t)ha->zio_mode);
5322                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5323                 vha->flags.process_response_queue = 1;
5324         }
5325
5326         if (rval) {
5327                 ql_log(ql_log_warn, vha, 0x0070,
5328                     "NVRAM configuration failed.\n");
5329         }
5330         return (rval);
5331 }
5332
5333 static int
5334 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5335     uint32_t faddr)
5336 {
5337         int     rval = QLA_SUCCESS;
5338         int     segments, fragment;
5339         uint32_t *dcode, dlen;
5340         uint32_t risc_addr;
5341         uint32_t risc_size;
5342         uint32_t i;
5343         struct qla_hw_data *ha = vha->hw;
5344         struct req_que *req = ha->req_q_map[0];
5345
5346         ql_dbg(ql_dbg_init, vha, 0x008b,
5347             "FW: Loading firmware from flash (%x).\n", faddr);
5348
5349         rval = QLA_SUCCESS;
5350
5351         segments = FA_RISC_CODE_SEGMENTS;
5352         dcode = (uint32_t *)req->ring;
5353         *srisc_addr = 0;
5354
5355         /* Validate firmware image by checking version. */
5356         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5357         for (i = 0; i < 4; i++)
5358                 dcode[i] = be32_to_cpu(dcode[i]);
5359         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5360             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5361             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5362                 dcode[3] == 0)) {
5363                 ql_log(ql_log_fatal, vha, 0x008c,
5364                     "Unable to verify the integrity of flash firmware "
5365                     "image.\n");
5366                 ql_log(ql_log_fatal, vha, 0x008d,
5367                     "Firmware data: %08x %08x %08x %08x.\n",
5368                     dcode[0], dcode[1], dcode[2], dcode[3]);
5369
5370                 return QLA_FUNCTION_FAILED;
5371         }
5372
5373         while (segments && rval == QLA_SUCCESS) {
5374                 /* Read segment's load information. */
5375                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5376
5377                 risc_addr = be32_to_cpu(dcode[2]);
5378                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5379                 risc_size = be32_to_cpu(dcode[3]);
5380
5381                 fragment = 0;
5382                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5383                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5384                         if (dlen > risc_size)
5385                                 dlen = risc_size;
5386
5387                         ql_dbg(ql_dbg_init, vha, 0x008e,
5388                             "Loading risc segment@ risc addr %x "
5389                             "number of dwords 0x%x offset 0x%x.\n",
5390                             risc_addr, dlen, faddr);
5391
5392                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5393                         for (i = 0; i < dlen; i++)
5394                                 dcode[i] = swab32(dcode[i]);
5395
5396                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5397                             dlen);
5398                         if (rval) {
5399                                 ql_log(ql_log_fatal, vha, 0x008f,
5400                                     "Failed to load segment %d of firmware.\n",
5401                                     fragment);
5402                                 return QLA_FUNCTION_FAILED;
5403                         }
5404
5405                         faddr += dlen;
5406                         risc_addr += dlen;
5407                         risc_size -= dlen;
5408                         fragment++;
5409                 }
5410
5411                 /* Next segment. */
5412                 segments--;
5413         }
5414
5415         if (!IS_QLA27XX(ha))
5416                 return rval;
5417
5418         if (ha->fw_dump_template)
5419                 vfree(ha->fw_dump_template);
5420         ha->fw_dump_template = NULL;
5421         ha->fw_dump_template_len = 0;
5422
5423         ql_dbg(ql_dbg_init, vha, 0x0161,
5424             "Loading fwdump template from %x\n", faddr);
5425         qla24xx_read_flash_data(vha, dcode, faddr, 7);
5426         risc_size = be32_to_cpu(dcode[2]);
5427         ql_dbg(ql_dbg_init, vha, 0x0162,
5428             "-> array size %x dwords\n", risc_size);
5429         if (risc_size == 0 || risc_size == ~0)
5430                 goto default_template;
5431
5432         dlen = (risc_size - 8) * sizeof(*dcode);
5433         ql_dbg(ql_dbg_init, vha, 0x0163,
5434             "-> template allocating %x bytes...\n", dlen);
5435         ha->fw_dump_template = vmalloc(dlen);
5436         if (!ha->fw_dump_template) {
5437                 ql_log(ql_log_warn, vha, 0x0164,
5438                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5439                 goto default_template;
5440         }
5441
5442         faddr += 7;
5443         risc_size -= 8;
5444         dcode = ha->fw_dump_template;
5445         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
5446         for (i = 0; i < risc_size; i++)
5447                 dcode[i] = le32_to_cpu(dcode[i]);
5448
5449         if (!qla27xx_fwdt_template_valid(dcode)) {
5450                 ql_log(ql_log_warn, vha, 0x0165,
5451                     "Failed fwdump template validate\n");
5452                 goto default_template;
5453         }
5454
5455         dlen = qla27xx_fwdt_template_size(dcode);
5456         ql_dbg(ql_dbg_init, vha, 0x0166,
5457             "-> template size %x bytes\n", dlen);
5458         if (dlen > risc_size * sizeof(*dcode)) {
5459                 ql_log(ql_log_warn, vha, 0x0167,
5460                     "Failed fwdump template exceeds array by %x bytes\n",
5461                     (uint32_t)(dlen - risc_size * sizeof(*dcode)));
5462                 goto default_template;
5463         }
5464         ha->fw_dump_template_len = dlen;
5465         return rval;
5466
5467 default_template:
5468         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
5469         if (ha->fw_dump_template)
5470                 vfree(ha->fw_dump_template);
5471         ha->fw_dump_template = NULL;
5472         ha->fw_dump_template_len = 0;
5473
5474         dlen = qla27xx_fwdt_template_default_size();
5475         ql_dbg(ql_dbg_init, vha, 0x0169,
5476             "-> template allocating %x bytes...\n", dlen);
5477         ha->fw_dump_template = vmalloc(dlen);
5478         if (!ha->fw_dump_template) {
5479                 ql_log(ql_log_warn, vha, 0x016a,
5480                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5481                 goto failed_template;
5482         }
5483
5484         dcode = ha->fw_dump_template;
5485         risc_size = dlen / sizeof(*dcode);
5486         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
5487         for (i = 0; i < risc_size; i++)
5488                 dcode[i] = be32_to_cpu(dcode[i]);
5489
5490         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5491                 ql_log(ql_log_warn, vha, 0x016b,
5492                     "Failed fwdump template validate\n");
5493                 goto failed_template;
5494         }
5495
5496         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5497         ql_dbg(ql_dbg_init, vha, 0x016c,
5498             "-> template size %x bytes\n", dlen);
5499         ha->fw_dump_template_len = dlen;
5500         return rval;
5501
5502 failed_template:
5503         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
5504         if (ha->fw_dump_template)
5505                 vfree(ha->fw_dump_template);
5506         ha->fw_dump_template = NULL;
5507         ha->fw_dump_template_len = 0;
5508         return rval;
5509 }
5510
5511 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5512
5513 int
5514 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5515 {
5516         int     rval;
5517         int     i, fragment;
5518         uint16_t *wcode, *fwcode;
5519         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5520         struct fw_blob *blob;
5521         struct qla_hw_data *ha = vha->hw;
5522         struct req_que *req = ha->req_q_map[0];
5523
5524         /* Load firmware blob. */
5525         blob = qla2x00_request_firmware(vha);
5526         if (!blob) {
5527                 ql_log(ql_log_info, vha, 0x0083,
5528                     "Firmware image unavailable.\n");
5529                 ql_log(ql_log_info, vha, 0x0084,
5530                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5531                 return QLA_FUNCTION_FAILED;
5532         }
5533
5534         rval = QLA_SUCCESS;
5535
5536         wcode = (uint16_t *)req->ring;
5537         *srisc_addr = 0;
5538         fwcode = (uint16_t *)blob->fw->data;
5539         fwclen = 0;
5540
5541         /* Validate firmware image by checking version. */
5542         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5543                 ql_log(ql_log_fatal, vha, 0x0085,
5544                     "Unable to verify integrity of firmware image (%Zd).\n",
5545                     blob->fw->size);
5546                 goto fail_fw_integrity;
5547         }
5548         for (i = 0; i < 4; i++)
5549                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5550         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5551             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5552                 wcode[2] == 0 && wcode[3] == 0)) {
5553                 ql_log(ql_log_fatal, vha, 0x0086,
5554                     "Unable to verify integrity of firmware image.\n");
5555                 ql_log(ql_log_fatal, vha, 0x0087,
5556                     "Firmware data: %04x %04x %04x %04x.\n",
5557                     wcode[0], wcode[1], wcode[2], wcode[3]);
5558                 goto fail_fw_integrity;
5559         }
5560
5561         seg = blob->segs;
5562         while (*seg && rval == QLA_SUCCESS) {
5563                 risc_addr = *seg;
5564                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5565                 risc_size = be16_to_cpu(fwcode[3]);
5566
5567                 /* Validate firmware image size. */
5568                 fwclen += risc_size * sizeof(uint16_t);
5569                 if (blob->fw->size < fwclen) {
5570                         ql_log(ql_log_fatal, vha, 0x0088,
5571                             "Unable to verify integrity of firmware image "
5572                             "(%Zd).\n", blob->fw->size);
5573                         goto fail_fw_integrity;
5574                 }
5575
5576                 fragment = 0;
5577                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5578                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5579                         if (wlen > risc_size)
5580                                 wlen = risc_size;
5581                         ql_dbg(ql_dbg_init, vha, 0x0089,
5582                             "Loading risc segment@ risc addr %x number of "
5583                             "words 0x%x.\n", risc_addr, wlen);
5584
5585                         for (i = 0; i < wlen; i++)
5586                                 wcode[i] = swab16(fwcode[i]);
5587
5588                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5589                             wlen);
5590                         if (rval) {
5591                                 ql_log(ql_log_fatal, vha, 0x008a,
5592                                     "Failed to load segment %d of firmware.\n",
5593                                     fragment);
5594                                 break;
5595                         }
5596
5597                         fwcode += wlen;
5598                         risc_addr += wlen;
5599                         risc_size -= wlen;
5600                         fragment++;
5601                 }
5602
5603                 /* Next segment. */
5604                 seg++;
5605         }
5606         return rval;
5607
5608 fail_fw_integrity:
5609         return QLA_FUNCTION_FAILED;
5610 }
5611
5612 static int
5613 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5614 {
5615         int     rval;
5616         int     segments, fragment;
5617         uint32_t *dcode, dlen;
5618         uint32_t risc_addr;
5619         uint32_t risc_size;
5620         uint32_t i;
5621         struct fw_blob *blob;
5622         const uint32_t *fwcode;
5623         uint32_t fwclen;
5624         struct qla_hw_data *ha = vha->hw;
5625         struct req_que *req = ha->req_q_map[0];
5626
5627         /* Load firmware blob. */
5628         blob = qla2x00_request_firmware(vha);
5629         if (!blob) {
5630                 ql_log(ql_log_warn, vha, 0x0090,
5631                     "Firmware image unavailable.\n");
5632                 ql_log(ql_log_warn, vha, 0x0091,
5633                     "Firmware images can be retrieved from: "
5634                     QLA_FW_URL ".\n");
5635
5636                 return QLA_FUNCTION_FAILED;
5637         }
5638
5639         ql_dbg(ql_dbg_init, vha, 0x0092,
5640             "FW: Loading via request-firmware.\n");
5641
5642         rval = QLA_SUCCESS;
5643
5644         segments = FA_RISC_CODE_SEGMENTS;
5645         dcode = (uint32_t *)req->ring;
5646         *srisc_addr = 0;
5647         fwcode = (uint32_t *)blob->fw->data;
5648         fwclen = 0;
5649
5650         /* Validate firmware image by checking version. */
5651         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5652                 ql_log(ql_log_fatal, vha, 0x0093,
5653                     "Unable to verify integrity of firmware image (%Zd).\n",
5654                     blob->fw->size);
5655                 return QLA_FUNCTION_FAILED;
5656         }
5657         for (i = 0; i < 4; i++)
5658                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5659         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5660             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5661             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5662                 dcode[3] == 0)) {
5663                 ql_log(ql_log_fatal, vha, 0x0094,
5664                     "Unable to verify integrity of firmware image (%Zd).\n",
5665                     blob->fw->size);
5666                 ql_log(ql_log_fatal, vha, 0x0095,
5667                     "Firmware data: %08x %08x %08x %08x.\n",
5668                     dcode[0], dcode[1], dcode[2], dcode[3]);
5669                 return QLA_FUNCTION_FAILED;
5670         }
5671
5672         while (segments && rval == QLA_SUCCESS) {
5673                 risc_addr = be32_to_cpu(fwcode[2]);
5674                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5675                 risc_size = be32_to_cpu(fwcode[3]);
5676
5677                 /* Validate firmware image size. */
5678                 fwclen += risc_size * sizeof(uint32_t);
5679                 if (blob->fw->size < fwclen) {
5680                         ql_log(ql_log_fatal, vha, 0x0096,
5681                             "Unable to verify integrity of firmware image "
5682                             "(%Zd).\n", blob->fw->size);
5683                         return QLA_FUNCTION_FAILED;
5684                 }
5685
5686                 fragment = 0;
5687                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5688                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5689                         if (dlen > risc_size)
5690                                 dlen = risc_size;
5691
5692                         ql_dbg(ql_dbg_init, vha, 0x0097,
5693                             "Loading risc segment@ risc addr %x "
5694                             "number of dwords 0x%x.\n", risc_addr, dlen);
5695
5696                         for (i = 0; i < dlen; i++)
5697                                 dcode[i] = swab32(fwcode[i]);
5698
5699                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5700                             dlen);
5701                         if (rval) {
5702                                 ql_log(ql_log_fatal, vha, 0x0098,
5703                                     "Failed to load segment %d of firmware.\n",
5704                                     fragment);
5705                                 return QLA_FUNCTION_FAILED;
5706                         }
5707
5708                         fwcode += dlen;
5709                         risc_addr += dlen;
5710                         risc_size -= dlen;
5711                         fragment++;
5712                 }
5713
5714                 /* Next segment. */
5715                 segments--;
5716         }
5717
5718         if (!IS_QLA27XX(ha))
5719                 return rval;
5720
5721         if (ha->fw_dump_template)
5722                 vfree(ha->fw_dump_template);
5723         ha->fw_dump_template = NULL;
5724         ha->fw_dump_template_len = 0;
5725
5726         ql_dbg(ql_dbg_init, vha, 0x171,
5727             "Loading fwdump template from %x\n",
5728             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
5729         risc_size = be32_to_cpu(fwcode[2]);
5730         ql_dbg(ql_dbg_init, vha, 0x172,
5731             "-> array size %x dwords\n", risc_size);
5732         if (risc_size == 0 || risc_size == ~0)
5733                 goto default_template;
5734
5735         dlen = (risc_size - 8) * sizeof(*fwcode);
5736         ql_dbg(ql_dbg_init, vha, 0x0173,
5737             "-> template allocating %x bytes...\n", dlen);
5738         ha->fw_dump_template = vmalloc(dlen);
5739         if (!ha->fw_dump_template) {
5740                 ql_log(ql_log_warn, vha, 0x0174,
5741                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5742                 goto default_template;
5743         }
5744
5745         fwcode += 7;
5746         risc_size -= 8;
5747         dcode = ha->fw_dump_template;
5748         for (i = 0; i < risc_size; i++)
5749                 dcode[i] = le32_to_cpu(fwcode[i]);
5750
5751         if (!qla27xx_fwdt_template_valid(dcode)) {
5752                 ql_log(ql_log_warn, vha, 0x0175,
5753                     "Failed fwdump template validate\n");
5754                 goto default_template;
5755         }
5756
5757         dlen = qla27xx_fwdt_template_size(dcode);
5758         ql_dbg(ql_dbg_init, vha, 0x0176,
5759             "-> template size %x bytes\n", dlen);
5760         if (dlen > risc_size * sizeof(*fwcode)) {
5761                 ql_log(ql_log_warn, vha, 0x0177,
5762                     "Failed fwdump template exceeds array by %x bytes\n",
5763                     (uint32_t)(dlen - risc_size * sizeof(*fwcode)));
5764                 goto default_template;
5765         }
5766         ha->fw_dump_template_len = dlen;
5767         return rval;
5768
5769 default_template:
5770         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
5771         if (ha->fw_dump_template)
5772                 vfree(ha->fw_dump_template);
5773         ha->fw_dump_template = NULL;
5774         ha->fw_dump_template_len = 0;
5775
5776         dlen = qla27xx_fwdt_template_default_size();
5777         ql_dbg(ql_dbg_init, vha, 0x0179,
5778             "-> template allocating %x bytes...\n", dlen);
5779         ha->fw_dump_template = vmalloc(dlen);
5780         if (!ha->fw_dump_template) {
5781                 ql_log(ql_log_warn, vha, 0x017a,
5782                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5783                 goto failed_template;
5784         }
5785
5786         dcode = ha->fw_dump_template;
5787         risc_size = dlen / sizeof(*fwcode);
5788         fwcode = qla27xx_fwdt_template_default();
5789         for (i = 0; i < risc_size; i++)
5790                 dcode[i] = be32_to_cpu(fwcode[i]);
5791
5792         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5793                 ql_log(ql_log_warn, vha, 0x017b,
5794                     "Failed fwdump template validate\n");
5795                 goto failed_template;
5796         }
5797
5798         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5799         ql_dbg(ql_dbg_init, vha, 0x017c,
5800             "-> template size %x bytes\n", dlen);
5801         ha->fw_dump_template_len = dlen;
5802         return rval;
5803
5804 failed_template:
5805         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
5806         if (ha->fw_dump_template)
5807                 vfree(ha->fw_dump_template);
5808         ha->fw_dump_template = NULL;
5809         ha->fw_dump_template_len = 0;
5810         return rval;
5811 }
5812
5813 int
5814 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5815 {
5816         int rval;
5817
5818         if (ql2xfwloadbin == 1)
5819                 return qla81xx_load_risc(vha, srisc_addr);
5820
5821         /*
5822          * FW Load priority:
5823          * 1) Firmware via request-firmware interface (.bin file).
5824          * 2) Firmware residing in flash.
5825          */
5826         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5827         if (rval == QLA_SUCCESS)
5828                 return rval;
5829
5830         return qla24xx_load_risc_flash(vha, srisc_addr,
5831             vha->hw->flt_region_fw);
5832 }
5833
5834 int
5835 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5836 {
5837         int rval;
5838         struct qla_hw_data *ha = vha->hw;
5839
5840         if (ql2xfwloadbin == 2)
5841                 goto try_blob_fw;
5842
5843         /*
5844          * FW Load priority:
5845          * 1) Firmware residing in flash.
5846          * 2) Firmware via request-firmware interface (.bin file).
5847          * 3) Golden-Firmware residing in flash -- limited operation.
5848          */
5849         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5850         if (rval == QLA_SUCCESS)
5851                 return rval;
5852
5853 try_blob_fw:
5854         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5855         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5856                 return rval;
5857
5858         ql_log(ql_log_info, vha, 0x0099,
5859             "Attempting to fallback to golden firmware.\n");
5860         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5861         if (rval != QLA_SUCCESS)
5862                 return rval;
5863
5864         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5865         ha->flags.running_gold_fw = 1;
5866         return rval;
5867 }
5868
5869 void
5870 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5871 {
5872         int ret, retries;
5873         struct qla_hw_data *ha = vha->hw;
5874
5875         if (ha->flags.pci_channel_io_perm_failure)
5876                 return;
5877         if (!IS_FWI2_CAPABLE(ha))
5878                 return;
5879         if (!ha->fw_major_version)
5880                 return;
5881
5882         ret = qla2x00_stop_firmware(vha);
5883         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5884             ret != QLA_INVALID_COMMAND && retries ; retries--) {
5885                 ha->isp_ops->reset_chip(vha);
5886                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5887                         continue;
5888                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5889                         continue;
5890                 ql_log(ql_log_info, vha, 0x8015,
5891                     "Attempting retry of stop-firmware command.\n");
5892                 ret = qla2x00_stop_firmware(vha);
5893         }
5894 }
5895
5896 int
5897 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5898 {
5899         int rval = QLA_SUCCESS;
5900         int rval2;
5901         uint16_t mb[MAILBOX_REGISTER_COUNT];
5902         struct qla_hw_data *ha = vha->hw;
5903         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5904         struct req_que *req;
5905         struct rsp_que *rsp;
5906
5907         if (!vha->vp_idx)
5908                 return -EINVAL;
5909
5910         rval = qla2x00_fw_ready(base_vha);
5911         if (ha->flags.cpu_affinity_enabled)
5912                 req = ha->req_q_map[0];
5913         else
5914                 req = vha->req;
5915         rsp = req->rsp;
5916
5917         if (rval == QLA_SUCCESS) {
5918                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5919                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5920         }
5921
5922         vha->flags.management_server_logged_in = 0;
5923
5924         /* Login to SNS first */
5925         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5926             BIT_1);
5927         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5928                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5929                         ql_dbg(ql_dbg_init, vha, 0x0120,
5930                             "Failed SNS login: loop_id=%x, rval2=%d\n",
5931                             NPH_SNS, rval2);
5932                 else
5933                         ql_dbg(ql_dbg_init, vha, 0x0103,
5934                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5935                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5936                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5937                 return (QLA_FUNCTION_FAILED);
5938         }
5939
5940         atomic_set(&vha->loop_down_timer, 0);
5941         atomic_set(&vha->loop_state, LOOP_UP);
5942         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5943         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5944         rval = qla2x00_loop_resync(base_vha);
5945
5946         return rval;
5947 }
5948
5949 /* 84XX Support **************************************************************/
5950
5951 static LIST_HEAD(qla_cs84xx_list);
5952 static DEFINE_MUTEX(qla_cs84xx_mutex);
5953
5954 static struct qla_chip_state_84xx *
5955 qla84xx_get_chip(struct scsi_qla_host *vha)
5956 {
5957         struct qla_chip_state_84xx *cs84xx;
5958         struct qla_hw_data *ha = vha->hw;
5959
5960         mutex_lock(&qla_cs84xx_mutex);
5961
5962         /* Find any shared 84xx chip. */
5963         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5964                 if (cs84xx->bus == ha->pdev->bus) {
5965                         kref_get(&cs84xx->kref);
5966                         goto done;
5967                 }
5968         }
5969
5970         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5971         if (!cs84xx)
5972                 goto done;
5973
5974         kref_init(&cs84xx->kref);
5975         spin_lock_init(&cs84xx->access_lock);
5976         mutex_init(&cs84xx->fw_update_mutex);
5977         cs84xx->bus = ha->pdev->bus;
5978
5979         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5980 done:
5981         mutex_unlock(&qla_cs84xx_mutex);
5982         return cs84xx;
5983 }
5984
5985 static void
5986 __qla84xx_chip_release(struct kref *kref)
5987 {
5988         struct qla_chip_state_84xx *cs84xx =
5989             container_of(kref, struct qla_chip_state_84xx, kref);
5990
5991         mutex_lock(&qla_cs84xx_mutex);
5992         list_del(&cs84xx->list);
5993         mutex_unlock(&qla_cs84xx_mutex);
5994         kfree(cs84xx);
5995 }
5996
5997 void
5998 qla84xx_put_chip(struct scsi_qla_host *vha)
5999 {
6000         struct qla_hw_data *ha = vha->hw;
6001         if (ha->cs84xx)
6002                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
6003 }
6004
6005 static int
6006 qla84xx_init_chip(scsi_qla_host_t *vha)
6007 {
6008         int rval;
6009         uint16_t status[2];
6010         struct qla_hw_data *ha = vha->hw;
6011
6012         mutex_lock(&ha->cs84xx->fw_update_mutex);
6013
6014         rval = qla84xx_verify_chip(vha, status);
6015
6016         mutex_unlock(&ha->cs84xx->fw_update_mutex);
6017
6018         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
6019             QLA_SUCCESS;
6020 }
6021
6022 /* 81XX Support **************************************************************/
6023
6024 int
6025 qla81xx_nvram_config(scsi_qla_host_t *vha)
6026 {
6027         int   rval;
6028         struct init_cb_81xx *icb;
6029         struct nvram_81xx *nv;
6030         uint32_t *dptr;
6031         uint8_t  *dptr1, *dptr2;
6032         uint32_t chksum;
6033         uint16_t cnt;
6034         struct qla_hw_data *ha = vha->hw;
6035
6036         rval = QLA_SUCCESS;
6037         icb = (struct init_cb_81xx *)ha->init_cb;
6038         nv = ha->nvram;
6039
6040         /* Determine NVRAM starting address. */
6041         ha->nvram_size = sizeof(struct nvram_81xx);
6042         ha->vpd_size = FA_NVRAM_VPD_SIZE;
6043         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
6044                 ha->vpd_size = FA_VPD_SIZE_82XX;
6045
6046         /* Get VPD data into cache */
6047         ha->vpd = ha->nvram + VPD_OFFSET;
6048         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
6049             ha->vpd_size);
6050
6051         /* Get NVRAM data into cache and calculate checksum. */
6052         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
6053             ha->nvram_size);
6054         dptr = (uint32_t *)nv;
6055         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
6056                 chksum += le32_to_cpu(*dptr++);
6057
6058         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
6059             "Contents of NVRAM:\n");
6060         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
6061             (uint8_t *)nv, ha->nvram_size);
6062
6063         /* Bad NVRAM data, set defaults parameters. */
6064         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
6065             || nv->id[3] != ' ' ||
6066             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
6067                 /* Reset NVRAM data. */
6068                 ql_log(ql_log_info, vha, 0x0073,
6069                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
6070                     "version=0x%x.\n", chksum, nv->id[0],
6071                     le16_to_cpu(nv->nvram_version));
6072                 ql_log(ql_log_info, vha, 0x0074,
6073                     "Falling back to functioning (yet invalid -- WWPN) "
6074                     "defaults.\n");
6075
6076                 /*
6077                  * Set default initialization control block.
6078                  */
6079                 memset(nv, 0, ha->nvram_size);
6080                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
6081                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
6082                 nv->frame_payload_size = 2048;
6083                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
6084                 nv->exchange_count = __constant_cpu_to_le16(0);
6085                 nv->port_name[0] = 0x21;
6086                 nv->port_name[1] = 0x00 + ha->port_no + 1;
6087                 nv->port_name[2] = 0x00;
6088                 nv->port_name[3] = 0xe0;
6089                 nv->port_name[4] = 0x8b;
6090                 nv->port_name[5] = 0x1c;
6091                 nv->port_name[6] = 0x55;
6092                 nv->port_name[7] = 0x86;
6093                 nv->node_name[0] = 0x20;
6094                 nv->node_name[1] = 0x00;
6095                 nv->node_name[2] = 0x00;
6096                 nv->node_name[3] = 0xe0;
6097                 nv->node_name[4] = 0x8b;
6098                 nv->node_name[5] = 0x1c;
6099                 nv->node_name[6] = 0x55;
6100                 nv->node_name[7] = 0x86;
6101                 nv->login_retry_count = __constant_cpu_to_le16(8);
6102                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
6103                 nv->login_timeout = __constant_cpu_to_le16(0);
6104                 nv->firmware_options_1 =
6105                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
6106                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
6107                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
6108                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
6109                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
6110                 nv->efi_parameters = __constant_cpu_to_le32(0);
6111                 nv->reset_delay = 5;
6112                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
6113                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
6114                 nv->link_down_timeout = __constant_cpu_to_le16(180);
6115                 nv->enode_mac[0] = 0x00;
6116                 nv->enode_mac[1] = 0xC0;
6117                 nv->enode_mac[2] = 0xDD;
6118                 nv->enode_mac[3] = 0x04;
6119                 nv->enode_mac[4] = 0x05;
6120                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
6121
6122                 rval = 1;
6123         }
6124
6125         if (IS_T10_PI_CAPABLE(ha))
6126                 nv->frame_payload_size &= ~7;
6127
6128         qlt_81xx_config_nvram_stage1(vha, nv);
6129
6130         /* Reset Initialization control block */
6131         memset(icb, 0, ha->init_cb_size);
6132
6133         /* Copy 1st segment. */
6134         dptr1 = (uint8_t *)icb;
6135         dptr2 = (uint8_t *)&nv->version;
6136         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
6137         while (cnt--)
6138                 *dptr1++ = *dptr2++;
6139
6140         icb->login_retry_count = nv->login_retry_count;
6141
6142         /* Copy 2nd segment. */
6143         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
6144         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
6145         cnt = (uint8_t *)&icb->reserved_5 -
6146             (uint8_t *)&icb->interrupt_delay_timer;
6147         while (cnt--)
6148                 *dptr1++ = *dptr2++;
6149
6150         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
6151         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
6152         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
6153                 icb->enode_mac[0] = 0x00;
6154                 icb->enode_mac[1] = 0xC0;
6155                 icb->enode_mac[2] = 0xDD;
6156                 icb->enode_mac[3] = 0x04;
6157                 icb->enode_mac[4] = 0x05;
6158                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
6159         }
6160
6161         /* Use extended-initialization control block. */
6162         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
6163
6164         /*
6165          * Setup driver NVRAM options.
6166          */
6167         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6168             "QLE8XXX");
6169
6170         qlt_81xx_config_nvram_stage2(vha, icb);
6171
6172         /* Use alternate WWN? */
6173         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
6174                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6175                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6176         }
6177
6178         /* Prepare nodename */
6179         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
6180                 /*
6181                  * Firmware will apply the following mask if the nodename was
6182                  * not provided.
6183                  */
6184                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6185                 icb->node_name[0] &= 0xF0;
6186         }
6187
6188         /* Set host adapter parameters. */
6189         ha->flags.disable_risc_code_load = 0;
6190         ha->flags.enable_lip_reset = 0;
6191         ha->flags.enable_lip_full_login =
6192             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6193         ha->flags.enable_target_reset =
6194             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6195         ha->flags.enable_led_scheme = 0;
6196         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6197
6198         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6199             (BIT_6 | BIT_5 | BIT_4)) >> 4;
6200
6201         /* save HBA serial number */
6202         ha->serial0 = icb->port_name[5];
6203         ha->serial1 = icb->port_name[6];
6204         ha->serial2 = icb->port_name[7];
6205         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6206         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6207
6208         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
6209
6210         ha->retry_count = le16_to_cpu(nv->login_retry_count);
6211
6212         /* Set minimum login_timeout to 4 seconds. */
6213         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6214                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6215         if (le16_to_cpu(nv->login_timeout) < 4)
6216                 nv->login_timeout = __constant_cpu_to_le16(4);
6217         ha->login_timeout = le16_to_cpu(nv->login_timeout);
6218         icb->login_timeout = nv->login_timeout;
6219
6220         /* Set minimum RATOV to 100 tenths of a second. */
6221         ha->r_a_tov = 100;
6222
6223         ha->loop_reset_delay = nv->reset_delay;
6224
6225         /* Link Down Timeout = 0:
6226          *
6227          *      When Port Down timer expires we will start returning
6228          *      I/O's to OS with "DID_NO_CONNECT".
6229          *
6230          * Link Down Timeout != 0:
6231          *
6232          *       The driver waits for the link to come up after link down
6233          *       before returning I/Os to OS with "DID_NO_CONNECT".
6234          */
6235         if (le16_to_cpu(nv->link_down_timeout) == 0) {
6236                 ha->loop_down_abort_time =
6237                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6238         } else {
6239                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
6240                 ha->loop_down_abort_time =
6241                     (LOOP_DOWN_TIME - ha->link_down_timeout);
6242         }
6243
6244         /* Need enough time to try and get the port back. */
6245         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6246         if (qlport_down_retry)
6247                 ha->port_down_retry_count = qlport_down_retry;
6248
6249         /* Set login_retry_count */
6250         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6251         if (ha->port_down_retry_count ==
6252             le16_to_cpu(nv->port_down_retry_count) &&
6253             ha->port_down_retry_count > 3)
6254                 ha->login_retry_count = ha->port_down_retry_count;
6255         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6256                 ha->login_retry_count = ha->port_down_retry_count;
6257         if (ql2xloginretrycount)
6258                 ha->login_retry_count = ql2xloginretrycount;
6259
6260         /* if not running MSI-X we need handshaking on interrupts */
6261         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
6262                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22);
6263
6264         /* Enable ZIO. */
6265         if (!vha->flags.init_done) {
6266                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6267                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6268                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6269                     le16_to_cpu(icb->interrupt_delay_timer): 2;
6270         }
6271         icb->firmware_options_2 &= __constant_cpu_to_le32(
6272             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6273         vha->flags.process_response_queue = 0;
6274         if (ha->zio_mode != QLA_ZIO_DISABLED) {
6275                 ha->zio_mode = QLA_ZIO_MODE_6;
6276
6277                 ql_log(ql_log_info, vha, 0x0075,
6278                     "ZIO mode %d enabled; timer delay (%d us).\n",
6279                     ha->zio_mode,
6280                     ha->zio_timer * 100);
6281
6282                 icb->firmware_options_2 |= cpu_to_le32(
6283                     (uint32_t)ha->zio_mode);
6284                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6285                 vha->flags.process_response_queue = 1;
6286         }
6287
6288         if (rval) {
6289                 ql_log(ql_log_warn, vha, 0x0076,
6290                     "NVRAM configuration failed.\n");
6291         }
6292         return (rval);
6293 }
6294
6295 int
6296 qla82xx_restart_isp(scsi_qla_host_t *vha)
6297 {
6298         int status, rval;
6299         struct qla_hw_data *ha = vha->hw;
6300         struct req_que *req = ha->req_q_map[0];
6301         struct rsp_que *rsp = ha->rsp_q_map[0];
6302         struct scsi_qla_host *vp;
6303         unsigned long flags;
6304
6305         status = qla2x00_init_rings(vha);
6306         if (!status) {
6307                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6308                 ha->flags.chip_reset_done = 1;
6309
6310                 status = qla2x00_fw_ready(vha);
6311                 if (!status) {
6312                         /* Issue a marker after FW becomes ready. */
6313                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6314                         vha->flags.online = 1;
6315                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6316                 }
6317
6318                 /* if no cable then assume it's good */
6319                 if ((vha->device_flags & DFLG_NO_CABLE))
6320                         status = 0;
6321         }
6322
6323         if (!status) {
6324                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6325
6326                 if (!atomic_read(&vha->loop_down_timer)) {
6327                         /*
6328                          * Issue marker command only when we are going
6329                          * to start the I/O .
6330                          */
6331                         vha->marker_needed = 1;
6332                 }
6333
6334                 ha->isp_ops->enable_intrs(ha);
6335
6336                 ha->isp_abort_cnt = 0;
6337                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6338
6339                 /* Update the firmware version */
6340                 status = qla82xx_check_md_needed(vha);
6341
6342                 if (ha->fce) {
6343                         ha->flags.fce_enabled = 1;
6344                         memset(ha->fce, 0,
6345                             fce_calc_size(ha->fce_bufs));
6346                         rval = qla2x00_enable_fce_trace(vha,
6347                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6348                             &ha->fce_bufs);
6349                         if (rval) {
6350                                 ql_log(ql_log_warn, vha, 0x8001,
6351                                     "Unable to reinitialize FCE (%d).\n",
6352                                     rval);
6353                                 ha->flags.fce_enabled = 0;
6354                         }
6355                 }
6356
6357                 if (ha->eft) {
6358                         memset(ha->eft, 0, EFT_SIZE);
6359                         rval = qla2x00_enable_eft_trace(vha,
6360                             ha->eft_dma, EFT_NUM_BUFFERS);
6361                         if (rval) {
6362                                 ql_log(ql_log_warn, vha, 0x8010,
6363                                     "Unable to reinitialize EFT (%d).\n",
6364                                     rval);
6365                         }
6366                 }
6367         }
6368
6369         if (!status) {
6370                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
6371                     "qla82xx_restart_isp succeeded.\n");
6372
6373                 spin_lock_irqsave(&ha->vport_slock, flags);
6374                 list_for_each_entry(vp, &ha->vp_list, list) {
6375                         if (vp->vp_idx) {
6376                                 atomic_inc(&vp->vref_count);
6377                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6378
6379                                 qla2x00_vp_abort_isp(vp);
6380
6381                                 spin_lock_irqsave(&ha->vport_slock, flags);
6382                                 atomic_dec(&vp->vref_count);
6383                         }
6384                 }
6385                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6386
6387         } else {
6388                 ql_log(ql_log_warn, vha, 0x8016,
6389                     "qla82xx_restart_isp **** FAILED ****.\n");
6390         }
6391
6392         return status;
6393 }
6394
6395 void
6396 qla81xx_update_fw_options(scsi_qla_host_t *vha)
6397 {
6398         struct qla_hw_data *ha = vha->hw;
6399
6400         if (!ql2xetsenable)
6401                 return;
6402
6403         /* Enable ETS Burst. */
6404         memset(ha->fw_options, 0, sizeof(ha->fw_options));
6405         ha->fw_options[2] |= BIT_9;
6406         qla2x00_set_fw_options(vha, ha->fw_options);
6407 }
6408
6409 /*
6410  * qla24xx_get_fcp_prio
6411  *      Gets the fcp cmd priority value for the logged in port.
6412  *      Looks for a match of the port descriptors within
6413  *      each of the fcp prio config entries. If a match is found,
6414  *      the tag (priority) value is returned.
6415  *
6416  * Input:
6417  *      vha = scsi host structure pointer.
6418  *      fcport = port structure pointer.
6419  *
6420  * Return:
6421  *      non-zero (if found)
6422  *      -1 (if not found)
6423  *
6424  * Context:
6425  *      Kernel context
6426  */
6427 static int
6428 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6429 {
6430         int i, entries;
6431         uint8_t pid_match, wwn_match;
6432         int priority;
6433         uint32_t pid1, pid2;
6434         uint64_t wwn1, wwn2;
6435         struct qla_fcp_prio_entry *pri_entry;
6436         struct qla_hw_data *ha = vha->hw;
6437
6438         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
6439                 return -1;
6440
6441         priority = -1;
6442         entries = ha->fcp_prio_cfg->num_entries;
6443         pri_entry = &ha->fcp_prio_cfg->entry[0];
6444
6445         for (i = 0; i < entries; i++) {
6446                 pid_match = wwn_match = 0;
6447
6448                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
6449                         pri_entry++;
6450                         continue;
6451                 }
6452
6453                 /* check source pid for a match */
6454                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
6455                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
6456                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
6457                         if (pid1 == INVALID_PORT_ID)
6458                                 pid_match++;
6459                         else if (pid1 == pid2)
6460                                 pid_match++;
6461                 }
6462
6463                 /* check destination pid for a match */
6464                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
6465                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
6466                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
6467                         if (pid1 == INVALID_PORT_ID)
6468                                 pid_match++;
6469                         else if (pid1 == pid2)
6470                                 pid_match++;
6471                 }
6472
6473                 /* check source WWN for a match */
6474                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6475                         wwn1 = wwn_to_u64(vha->port_name);
6476                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6477                         if (wwn2 == (uint64_t)-1)
6478                                 wwn_match++;
6479                         else if (wwn1 == wwn2)
6480                                 wwn_match++;
6481                 }
6482
6483                 /* check destination WWN for a match */
6484                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6485                         wwn1 = wwn_to_u64(fcport->port_name);
6486                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6487                         if (wwn2 == (uint64_t)-1)
6488                                 wwn_match++;
6489                         else if (wwn1 == wwn2)
6490                                 wwn_match++;
6491                 }
6492
6493                 if (pid_match == 2 || wwn_match == 2) {
6494                         /* Found a matching entry */
6495                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6496                                 priority = pri_entry->tag;
6497                         break;
6498                 }
6499
6500                 pri_entry++;
6501         }
6502
6503         return priority;
6504 }
6505
6506 /*
6507  * qla24xx_update_fcport_fcp_prio
6508  *      Activates fcp priority for the logged in fc port
6509  *
6510  * Input:
6511  *      vha = scsi host structure pointer.
6512  *      fcp = port structure pointer.
6513  *
6514  * Return:
6515  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6516  *
6517  * Context:
6518  *      Kernel context.
6519  */
6520 int
6521 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6522 {
6523         int ret;
6524         int priority;
6525         uint16_t mb[5];
6526
6527         if (fcport->port_type != FCT_TARGET ||
6528             fcport->loop_id == FC_NO_LOOP_ID)
6529                 return QLA_FUNCTION_FAILED;
6530
6531         priority = qla24xx_get_fcp_prio(vha, fcport);
6532         if (priority < 0)
6533                 return QLA_FUNCTION_FAILED;
6534
6535         if (IS_P3P_TYPE(vha->hw)) {
6536                 fcport->fcp_prio = priority & 0xf;
6537                 return QLA_SUCCESS;
6538         }
6539
6540         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6541         if (ret == QLA_SUCCESS) {
6542                 if (fcport->fcp_prio != priority)
6543                         ql_dbg(ql_dbg_user, vha, 0x709e,
6544                             "Updated FCP_CMND priority - value=%d loop_id=%d "
6545                             "port_id=%02x%02x%02x.\n", priority,
6546                             fcport->loop_id, fcport->d_id.b.domain,
6547                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6548                 fcport->fcp_prio = priority & 0xf;
6549         } else
6550                 ql_dbg(ql_dbg_user, vha, 0x704f,
6551                     "Unable to update FCP_CMND priority - ret=0x%x for "
6552                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6553                     fcport->d_id.b.domain, fcport->d_id.b.area,
6554                     fcport->d_id.b.al_pa);
6555         return  ret;
6556 }
6557
6558 /*
6559  * qla24xx_update_all_fcp_prio
6560  *      Activates fcp priority for all the logged in ports
6561  *
6562  * Input:
6563  *      ha = adapter block pointer.
6564  *
6565  * Return:
6566  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6567  *
6568  * Context:
6569  *      Kernel context.
6570  */
6571 int
6572 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6573 {
6574         int ret;
6575         fc_port_t *fcport;
6576
6577         ret = QLA_FUNCTION_FAILED;
6578         /* We need to set priority for all logged in ports */
6579         list_for_each_entry(fcport, &vha->vp_fcports, list)
6580                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6581
6582         return ret;
6583 }