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         }
 119 }
 120
 121 static void
 122 qla2x00_async_login_sp_done(void *data, void *ptr, int res)
 123 {
 124         srb_t *sp = (srb_t *)ptr;
 125         struct srb_iocb *lio = &sp->u.iocb_cmd;
 126         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 127
 128         if (!test_bit(UNLOADING, &vha->dpc_flags))
 129                 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
 130                     lio->u.logio.data);
 131         sp->free(sp->fcport->vha, sp);
 132 }
 133
 134 int
 135 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 136     uint16_t *data)
 137 {
 138         srb_t *sp;
 139         struct srb_iocb *lio;
 140         int rval;
 141
 142         rval = QLA_FUNCTION_FAILED;
 143         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 144         if (!sp)
 145                 goto done;
 146
 147         sp->type = SRB_LOGIN_CMD;
 148         sp->name = "login";
 149         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 150
 151         lio = &sp->u.iocb_cmd;
 152         lio->timeout = qla2x00_async_iocb_timeout;
 153         sp->done = qla2x00_async_login_sp_done;
 154         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 155         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 156                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 157         rval = qla2x00_start_sp(sp);
 158         if (rval != QLA_SUCCESS)
 159                 goto done_free_sp;
 160
 161         ql_dbg(ql_dbg_disc, vha, 0x2072,
 162             "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
 163             "retries=%d.\n", sp->handle, fcport->loop_id,
 164             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 165             fcport->login_retry);
 166         return rval;
 167
 168 done_free_sp:
 169         sp->free(fcport->vha, sp);
 170 done:
 171         return rval;
 172 }
 173
 174 static void
 175 qla2x00_async_logout_sp_done(void *data, void *ptr, int res)
 176 {
 177         srb_t *sp = (srb_t *)ptr;
 178         struct srb_iocb *lio = &sp->u.iocb_cmd;
 179         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 180
 181         if (!test_bit(UNLOADING, &vha->dpc_flags))
 182                 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
 183                     lio->u.logio.data);
 184         sp->free(sp->fcport->vha, sp);
 185 }
 186
 187 int
 188 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 189 {
 190         srb_t *sp;
 191         struct srb_iocb *lio;
 192         int rval;
 193
 194         rval = QLA_FUNCTION_FAILED;
 195         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 196         if (!sp)
 197                 goto done;
 198
 199         sp->type = SRB_LOGOUT_CMD;
 200         sp->name = "logout";
 201         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 202
 203         lio = &sp->u.iocb_cmd;
 204         lio->timeout = qla2x00_async_iocb_timeout;
 205         sp->done = qla2x00_async_logout_sp_done;
 206         rval = qla2x00_start_sp(sp);
 207         if (rval != QLA_SUCCESS)
 208                 goto done_free_sp;
 209
 210         ql_dbg(ql_dbg_disc, vha, 0x2070,
 211             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 212             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 213             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 214         return rval;
 215
 216 done_free_sp:
 217         sp->free(fcport->vha, sp);
 218 done:
 219         return rval;
 220 }
 221
 222 static void
 223 qla2x00_async_adisc_sp_done(void *data, void *ptr, int res)
 224 {
 225         srb_t *sp = (srb_t *)ptr;
 226         struct srb_iocb *lio = &sp->u.iocb_cmd;
 227         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 228
 229         if (!test_bit(UNLOADING, &vha->dpc_flags))
 230                 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
 231                     lio->u.logio.data);
 232         sp->free(sp->fcport->vha, sp);
 233 }
 234
 235 int
 236 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 237     uint16_t *data)
 238 {
 239         srb_t *sp;
 240         struct srb_iocb *lio;
 241         int rval;
 242
 243         rval = QLA_FUNCTION_FAILED;
 244         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 245         if (!sp)
 246                 goto done;
 247
 248         sp->type = SRB_ADISC_CMD;
 249         sp->name = "adisc";
 250         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 251
 252         lio = &sp->u.iocb_cmd;
 253         lio->timeout = qla2x00_async_iocb_timeout;
 254         sp->done = qla2x00_async_adisc_sp_done;
 255         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 256                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 257         rval = qla2x00_start_sp(sp);
 258         if (rval != QLA_SUCCESS)
 259                 goto done_free_sp;
 260
 261         ql_dbg(ql_dbg_disc, vha, 0x206f,
 262             "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
 263             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 264             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 265         return rval;
 266
 267 done_free_sp:
 268         sp->free(fcport->vha, sp);
 269 done:
 270         return rval;
 271 }
 272
 273 static void
 274 qla2x00_tmf_iocb_timeout(void *data)
 275 {
 276         srb_t *sp = (srb_t *)data;
 277         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 278
 279         tmf->u.tmf.comp_status = CS_TIMEOUT;
 280         complete(&tmf->u.tmf.comp);
 281 }
 282
 283 static void
 284 qla2x00_tmf_sp_done(void *data, void *ptr, int res)
 285 {
 286         srb_t *sp = (srb_t *)ptr;
 287         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 288         complete(&tmf->u.tmf.comp);
 289 }
 290
 291 int
 292 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
 293         uint32_t tag)
 294 {
 295         struct scsi_qla_host *vha = fcport->vha;
 296         struct srb_iocb *tm_iocb;
 297         srb_t *sp;
 298         int rval = QLA_FUNCTION_FAILED;
 299
 300         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 301         if (!sp)
 302                 goto done;
 303
 304         tm_iocb = &sp->u.iocb_cmd;
 305         sp->type = SRB_TM_CMD;
 306         sp->name = "tmf";
 307         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
 308         tm_iocb->u.tmf.flags = flags;
 309         tm_iocb->u.tmf.lun = lun;
 310         tm_iocb->u.tmf.data = tag;
 311         sp->done = qla2x00_tmf_sp_done;
 312         tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
 313         init_completion(&tm_iocb->u.tmf.comp);
 314
 315         rval = qla2x00_start_sp(sp);
 316         if (rval != QLA_SUCCESS)
 317                 goto done_free_sp;
 318
 319         ql_dbg(ql_dbg_taskm, vha, 0x802f,
 320             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 321             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 322             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 323
 324         wait_for_completion(&tm_iocb->u.tmf.comp);
 325
 326         rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
 327             QLA_SUCCESS : QLA_FUNCTION_FAILED;
 328
 329         if ((rval != QLA_SUCCESS) || tm_iocb->u.tmf.data) {
 330                 ql_dbg(ql_dbg_taskm, vha, 0x8030,
 331                     "TM IOCB failed (%x).\n", rval);
 332         }
 333
 334         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
 335                 flags = tm_iocb->u.tmf.flags;
 336                 lun = (uint16_t)tm_iocb->u.tmf.lun;
 337
 338                 /* Issue Marker IOCB */
 339                 qla2x00_marker(vha, vha->hw->req_q_map[0],
 340                     vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
 341                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
 342         }
 343
 344 done_free_sp:
 345         sp->free(vha, sp);
 346 done:
 347         return rval;
 348 }
 349
 350 static void
 351 qla24xx_abort_iocb_timeout(void *data)
 352 {
 353         srb_t *sp = (srb_t *)data;
 354         struct srb_iocb *abt = &sp->u.iocb_cmd;
 355
 356         abt->u.abt.comp_status = CS_TIMEOUT;
 357         complete(&abt->u.abt.comp);
 358 }
 359
 360 static void
 361 qla24xx_abort_sp_done(void *data, void *ptr, int res)
 362 {
 363         srb_t *sp = (srb_t *)ptr;
 364         struct srb_iocb *abt = &sp->u.iocb_cmd;
 365
 366         complete(&abt->u.abt.comp);
 367 }
 368
 369 static int
 370 qla24xx_async_abort_cmd(srb_t *cmd_sp)
 371 {
 372         scsi_qla_host_t *vha = cmd_sp->fcport->vha;
 373         fc_port_t *fcport = cmd_sp->fcport;
 374         struct srb_iocb *abt_iocb;
 375         srb_t *sp;
 376         int rval = QLA_FUNCTION_FAILED;
 377
 378         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 379         if (!sp)
 380                 goto done;
 381
 382         abt_iocb = &sp->u.iocb_cmd;
 383         sp->type = SRB_ABT_CMD;
 384         sp->name = "abort";
 385         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
 386         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
 387         sp->done = qla24xx_abort_sp_done;
 388         abt_iocb->timeout = qla24xx_abort_iocb_timeout;
 389         init_completion(&abt_iocb->u.abt.comp);
 390
 391         rval = qla2x00_start_sp(sp);
 392         if (rval != QLA_SUCCESS)
 393                 goto done_free_sp;
 394
 395         ql_dbg(ql_dbg_async, vha, 0x507c,
 396             "Abort command issued - hdl=%x, target_id=%x\n",
 397             cmd_sp->handle, fcport->tgt_id);
 398
 399         wait_for_completion(&abt_iocb->u.abt.comp);
 400
 401         rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
 402             QLA_SUCCESS : QLA_FUNCTION_FAILED;
 403
 404 done_free_sp:
 405         sp->free(vha, sp);
 406 done:
 407         return rval;
 408 }
 409
 410 int
 411 qla24xx_async_abort_command(srb_t *sp)
 412 {
 413         unsigned long   flags = 0;
 414
 415         uint32_t        handle;
 416         fc_port_t       *fcport = sp->fcport;
 417         struct scsi_qla_host *vha = fcport->vha;
 418         struct qla_hw_data *ha = vha->hw;
 419         struct req_que *req = vha->req;
 420
 421         spin_lock_irqsave(&ha->hardware_lock, flags);
 422         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
 423                 if (req->outstanding_cmds[handle] == sp)
 424                         break;
 425         }
 426         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 427         if (handle == req->num_outstanding_cmds) {
 428                 /* Command not found. */
 429                 return QLA_FUNCTION_FAILED;
 430         }
 431         if (sp->type == SRB_FXIOCB_DCMD)
 432                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
 433                     FXDISC_ABORT_IOCTL);
 434
 435         return qla24xx_async_abort_cmd(sp);
 436 }
 437
 438 void
 439 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 440     uint16_t *data)
 441 {
 442         int rval;
 443
 444         switch (data[0]) {
 445         case MBS_COMMAND_COMPLETE:
 446                 /*
 447                  * Driver must validate login state - If PRLI not complete,
 448                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
 449                  * requests.
 450                  */
 451                 rval = qla2x00_get_port_database(vha, fcport, 0);
 452                 if (rval == QLA_NOT_LOGGED_IN) {
 453                         fcport->flags &= ~FCF_ASYNC_SENT;
 454                         fcport->flags |= FCF_LOGIN_NEEDED;
 455                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 456                         break;
 457                 }
 458
 459                 if (rval != QLA_SUCCESS) {
 460                         qla2x00_post_async_logout_work(vha, fcport, NULL);
 461                         qla2x00_post_async_login_work(vha, fcport, NULL);
 462                         break;
 463                 }
 464                 if (fcport->flags & FCF_FCP2_DEVICE) {
 465                         qla2x00_post_async_adisc_work(vha, fcport, data);
 466                         break;
 467                 }
 468                 qla2x00_update_fcport(vha, fcport);
 469                 break;
 470         case MBS_COMMAND_ERROR:
 471                 fcport->flags &= ~FCF_ASYNC_SENT;
 472                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 473                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 474                 else
 475                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 476                 break;
 477         case MBS_PORT_ID_USED:
 478                 fcport->loop_id = data[1];
 479                 qla2x00_post_async_logout_work(vha, fcport, NULL);
 480                 qla2x00_post_async_login_work(vha, fcport, NULL);
 481                 break;
 482         case MBS_LOOP_ID_USED:
 483                 fcport->loop_id++;
 484                 rval = qla2x00_find_new_loop_id(vha, fcport);
 485                 if (rval != QLA_SUCCESS) {
 486                         fcport->flags &= ~FCF_ASYNC_SENT;
 487                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 488                         break;
 489                 }
 490                 qla2x00_post_async_login_work(vha, fcport, NULL);
 491                 break;
 492         }
 493         return;
 494 }
 495
 496 void
 497 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 498     uint16_t *data)
 499 {
 500         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 501         return;
 502 }
 503
 504 void
 505 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 506     uint16_t *data)
 507 {
 508         if (data[0] == MBS_COMMAND_COMPLETE) {
 509                 qla2x00_update_fcport(vha, fcport);
 510
 511                 return;
 512         }
 513
 514         /* Retry login. */
 515         fcport->flags &= ~FCF_ASYNC_SENT;
 516         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 517                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 518         else
 519                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 520
 521         return;
 522 }
 523
 524 /****************************************************************************/
 525 /*                QLogic ISP2x00 Hardware Support Functions.                */
 526 /****************************************************************************/
 527
 528 static int
 529 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
 530 {
 531         int rval = QLA_SUCCESS;
 532         struct qla_hw_data *ha = vha->hw;
 533         uint32_t idc_major_ver, idc_minor_ver;
 534         uint16_t config[4];
 535
 536         qla83xx_idc_lock(vha, 0);
 537
 538         /* SV: TODO: Assign initialization timeout from
 539          * flash-info / other param
 540          */
 541         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
 542         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
 543
 544         /* Set our fcoe function presence */
 545         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
 546                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
 547                     "Error while setting DRV-Presence.\n");
 548                 rval = QLA_FUNCTION_FAILED;
 549                 goto exit;
 550         }
 551
 552         /* Decide the reset ownership */
 553         qla83xx_reset_ownership(vha);
 554
 555         /*
 556          * On first protocol driver load:
 557          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
 558          * register.
 559          * Others: Check compatibility with current IDC Major version.
 560          */
 561         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
 562         if (ha->flags.nic_core_reset_owner) {
 563                 /* Set IDC Major version */
 564                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
 565                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
 566
 567                 /* Clearing IDC-Lock-Recovery register */
 568                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
 569         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
 570                 /*
 571                  * Clear further IDC participation if we are not compatible with
 572                  * the current IDC Major Version.
 573                  */
 574                 ql_log(ql_log_warn, vha, 0xb07d,
 575                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
 576                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
 577                 __qla83xx_clear_drv_presence(vha);
 578                 rval = QLA_FUNCTION_FAILED;
 579                 goto exit;
 580         }
 581         /* Each function sets its supported Minor version. */
 582         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
 583         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
 584         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
 585
 586         if (ha->flags.nic_core_reset_owner) {
 587                 memset(config, 0, sizeof(config));
 588                 if (!qla81xx_get_port_config(vha, config))
 589                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 590                             QLA8XXX_DEV_READY);
 591         }
 592
 593         rval = qla83xx_idc_state_handler(vha);
 594
 595 exit:
 596         qla83xx_idc_unlock(vha, 0);
 597
 598         return rval;
 599 }
 600
 601 /*
 602 * qla2x00_initialize_adapter
 603 *      Initialize board.
 604 *
 605 * Input:
 606 *      ha = adapter block pointer.
 607 *
 608 * Returns:
 609 *      0 = success
 610 */
 611 int
 612 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 613 {
 614         int     rval;
 615         struct qla_hw_data *ha = vha->hw;
 616         struct req_que *req = ha->req_q_map[0];
 617
 618         /* Clear adapter flags. */
 619         vha->flags.online = 0;
 620         ha->flags.chip_reset_done = 0;
 621         vha->flags.reset_active = 0;
 622         ha->flags.pci_channel_io_perm_failure = 0;
 623         ha->flags.eeh_busy = 0;
 624         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
 625         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 626         atomic_set(&vha->loop_state, LOOP_DOWN);
 627         vha->device_flags = DFLG_NO_CABLE;
 628         vha->dpc_flags = 0;
 629         vha->flags.management_server_logged_in = 0;
 630         vha->marker_needed = 0;
 631         ha->isp_abort_cnt = 0;
 632         ha->beacon_blink_led = 0;
 633
 634         set_bit(0, ha->req_qid_map);
 635         set_bit(0, ha->rsp_qid_map);
 636
 637         ql_dbg(ql_dbg_init, vha, 0x0040,
 638             "Configuring PCI space...\n");
 639         rval = ha->isp_ops->pci_config(vha);
 640         if (rval) {
 641                 ql_log(ql_log_warn, vha, 0x0044,
 642                     "Unable to configure PCI space.\n");
 643                 return (rval);
 644         }
 645
 646         ha->isp_ops->reset_chip(vha);
 647
 648         rval = qla2xxx_get_flash_info(vha);
 649         if (rval) {
 650                 ql_log(ql_log_fatal, vha, 0x004f,
 651                     "Unable to validate FLASH data.\n");
 652                 return rval;
 653         }
 654
 655         if (IS_QLA8044(ha)) {
 656                 qla8044_read_reset_template(vha);
 657
 658                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
 659                  * If DONRESET_BIT0 is set, drivers should not set dev_state
 660                  * to NEED_RESET. But if NEED_RESET is set, drivers should
 661                  * should honor the reset. */
 662                 if (ql2xdontresethba == 1)
 663                         qla8044_set_idc_dontreset(vha);
 664         }
 665
 666         ha->isp_ops->get_flash_version(vha, req->ring);
 667         ql_dbg(ql_dbg_init, vha, 0x0061,
 668             "Configure NVRAM parameters...\n");
 669
 670         ha->isp_ops->nvram_config(vha);
 671
 672         if (ha->flags.disable_serdes) {
 673                 /* Mask HBA via NVRAM settings? */
 674                 ql_log(ql_log_info, vha, 0x0077,
 675                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
 676                 return QLA_FUNCTION_FAILED;
 677         }
 678
 679         ql_dbg(ql_dbg_init, vha, 0x0078,
 680             "Verifying loaded RISC code...\n");
 681
 682         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 683                 rval = ha->isp_ops->chip_diag(vha);
 684                 if (rval)
 685                         return (rval);
 686                 rval = qla2x00_setup_chip(vha);
 687                 if (rval)
 688                         return (rval);
 689         }
 690
 691         if (IS_QLA84XX(ha)) {
 692                 ha->cs84xx = qla84xx_get_chip(vha);
 693                 if (!ha->cs84xx) {
 694                         ql_log(ql_log_warn, vha, 0x00d0,
 695                             "Unable to configure ISP84XX.\n");
 696                         return QLA_FUNCTION_FAILED;
 697                 }
 698         }
 699
 700         if (qla_ini_mode_enabled(vha))
 701                 rval = qla2x00_init_rings(vha);
 702
 703         ha->flags.chip_reset_done = 1;
 704
 705         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 706                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 707                 rval = qla84xx_init_chip(vha);
 708                 if (rval != QLA_SUCCESS) {
 709                         ql_log(ql_log_warn, vha, 0x00d4,
 710                             "Unable to initialize ISP84XX.\n");
 711                 qla84xx_put_chip(vha);
 712                 }
 713         }
 714
 715         /* Load the NIC Core f/w if we are the first protocol driver. */
 716         if (IS_QLA8031(ha)) {
 717                 rval = qla83xx_nic_core_fw_load(vha);
 718                 if (rval)
 719                         ql_log(ql_log_warn, vha, 0x0124,
 720                             "Error in initializing NIC Core f/w.\n");
 721         }
 722
 723         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 724                 qla24xx_read_fcp_prio_cfg(vha);
 725
 726         if (IS_P3P_TYPE(ha))
 727                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
 728         else
 729                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
 730
 731         return (rval);
 732 }
 733
 734 /**
 735  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 736  * @ha: HA context
 737  *
 738  * Returns 0 on success.
 739  */
 740 int
 741 qla2100_pci_config(scsi_qla_host_t *vha)
 742 {
 743         uint16_t w;
 744         unsigned long flags;
 745         struct qla_hw_data *ha = vha->hw;
 746         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 747
 748         pci_set_master(ha->pdev);
 749         pci_try_set_mwi(ha->pdev);
 750
 751         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 752         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 753         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 754
 755         pci_disable_rom(ha->pdev);
 756
 757         /* Get PCI bus information. */
 758         spin_lock_irqsave(&ha->hardware_lock, flags);
 759         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 760         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 761
 762         return QLA_SUCCESS;
 763 }
 764
 765 /**
 766  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 767  * @ha: HA context
 768  *
 769  * Returns 0 on success.
 770  */
 771 int
 772 qla2300_pci_config(scsi_qla_host_t *vha)
 773 {
 774         uint16_t        w;
 775         unsigned long   flags = 0;
 776         uint32_t        cnt;
 777         struct qla_hw_data *ha = vha->hw;
 778         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 779
 780         pci_set_master(ha->pdev);
 781         pci_try_set_mwi(ha->pdev);
 782
 783         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 784         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 785
 786         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 787                 w &= ~PCI_COMMAND_INTX_DISABLE;
 788         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 789
 790         /*
 791          * If this is a 2300 card and not 2312, reset the
 792          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 793          * the 2310 also reports itself as a 2300 so we need to get the
 794          * fb revision level -- a 6 indicates it really is a 2300 and
 795          * not a 2310.
 796          */
 797         if (IS_QLA2300(ha)) {
 798                 spin_lock_irqsave(&ha->hardware_lock, flags);
 799
 800                 /* Pause RISC. */
 801                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 802                 for (cnt = 0; cnt < 30000; cnt++) {
 803                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 804                                 break;
 805
 806                         udelay(10);
 807                 }
 808
 809                 /* Select FPM registers. */
 810                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 811                 RD_REG_WORD(&reg->ctrl_status);
 812
 813                 /* Get the fb rev level */
 814                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 815
 816                 if (ha->fb_rev == FPM_2300)
 817                         pci_clear_mwi(ha->pdev);
 818
 819                 /* Deselect FPM registers. */
 820                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 821                 RD_REG_WORD(&reg->ctrl_status);
 822
 823                 /* Release RISC module. */
 824                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 825                 for (cnt = 0; cnt < 30000; cnt++) {
 826                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 827                                 break;
 828
 829                         udelay(10);
 830                 }
 831
 832                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 833         }
 834
 835         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 836
 837         pci_disable_rom(ha->pdev);
 838
 839         /* Get PCI bus information. */
 840         spin_lock_irqsave(&ha->hardware_lock, flags);
 841         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 842         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 843
 844         return QLA_SUCCESS;
 845 }
 846
 847 /**
 848  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 849  * @ha: HA context
 850  *
 851  * Returns 0 on success.
 852  */
 853 int
 854 qla24xx_pci_config(scsi_qla_host_t *vha)
 855 {
 856         uint16_t w;
 857         unsigned long flags = 0;
 858         struct qla_hw_data *ha = vha->hw;
 859         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 860
 861         pci_set_master(ha->pdev);
 862         pci_try_set_mwi(ha->pdev);
 863
 864         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 865         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 866         w &= ~PCI_COMMAND_INTX_DISABLE;
 867         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 868
 869         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 870
 871         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 872         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 873                 pcix_set_mmrbc(ha->pdev, 2048);
 874
 875         /* PCIe -- adjust Maximum Read Request Size (2048). */
 876         if (pci_is_pcie(ha->pdev))
 877                 pcie_set_readrq(ha->pdev, 4096);
 878
 879         pci_disable_rom(ha->pdev);
 880
 881         ha->chip_revision = ha->pdev->revision;
 882
 883         /* Get PCI bus information. */
 884         spin_lock_irqsave(&ha->hardware_lock, flags);
 885         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 886         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 887
 888         return QLA_SUCCESS;
 889 }
 890
 891 /**
 892  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 893  * @ha: HA context
 894  *
 895  * Returns 0 on success.
 896  */
 897 int
 898 qla25xx_pci_config(scsi_qla_host_t *vha)
 899 {
 900         uint16_t w;
 901         struct qla_hw_data *ha = vha->hw;
 902
 903         pci_set_master(ha->pdev);
 904         pci_try_set_mwi(ha->pdev);
 905
 906         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 907         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 908         w &= ~PCI_COMMAND_INTX_DISABLE;
 909         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 910
 911         /* PCIe -- adjust Maximum Read Request Size (2048). */
 912         if (pci_is_pcie(ha->pdev))
 913                 pcie_set_readrq(ha->pdev, 4096);
 914
 915         pci_disable_rom(ha->pdev);
 916
 917         ha->chip_revision = ha->pdev->revision;
 918
 919         return QLA_SUCCESS;
 920 }
 921
 922 /**
 923  * qla2x00_isp_firmware() - Choose firmware image.
 924  * @ha: HA context
 925  *
 926  * Returns 0 on success.
 927  */
 928 static int
 929 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 930 {
 931         int  rval;
 932         uint16_t loop_id, topo, sw_cap;
 933         uint8_t domain, area, al_pa;
 934         struct qla_hw_data *ha = vha->hw;
 935
 936         /* Assume loading risc code */
 937         rval = QLA_FUNCTION_FAILED;
 938
 939         if (ha->flags.disable_risc_code_load) {
 940                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
 941
 942                 /* Verify checksum of loaded RISC code. */
 943                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 944                 if (rval == QLA_SUCCESS) {
 945                         /* And, verify we are not in ROM code. */
 946                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 947                             &area, &domain, &topo, &sw_cap);
 948                 }
 949         }
 950
 951         if (rval)
 952                 ql_dbg(ql_dbg_init, vha, 0x007a,
 953                     "**** Load RISC code ****.\n");
 954
 955         return (rval);
 956 }
 957
 958 /**
 959  * qla2x00_reset_chip() - Reset ISP chip.
 960  * @ha: HA context
 961  *
 962  * Returns 0 on success.
 963  */
 964 void
 965 qla2x00_reset_chip(scsi_qla_host_t *vha)
 966 {
 967         unsigned long   flags = 0;
 968         struct qla_hw_data *ha = vha->hw;
 969         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 970         uint32_t        cnt;
 971         uint16_t        cmd;
 972
 973         if (unlikely(pci_channel_offline(ha->pdev)))
 974                 return;
 975
 976         ha->isp_ops->disable_intrs(ha);
 977
 978         spin_lock_irqsave(&ha->hardware_lock, flags);
 979
 980         /* Turn off master enable */
 981         cmd = 0;
 982         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 983         cmd &= ~PCI_COMMAND_MASTER;
 984         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 985
 986         if (!IS_QLA2100(ha)) {
 987                 /* Pause RISC. */
 988                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 989                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 990                         for (cnt = 0; cnt < 30000; cnt++) {
 991                                 if ((RD_REG_WORD(&reg->hccr) &
 992                                     HCCR_RISC_PAUSE) != 0)
 993                                         break;
 994                                 udelay(100);
 995                         }
 996                 } else {
 997                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 998                         udelay(10);
 999                 }
1000
1001                 /* Select FPM registers. */
1002                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
1003                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1004
1005                 /* FPM Soft Reset. */
1006                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
1007                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
1008
1009                 /* Toggle Fpm Reset. */
1010                 if (!IS_QLA2200(ha)) {
1011                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
1012                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
1013                 }
1014
1015                 /* Select frame buffer registers. */
1016                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
1017                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1018
1019                 /* Reset frame buffer FIFOs. */
1020                 if (IS_QLA2200(ha)) {
1021                         WRT_FB_CMD_REG(ha, reg, 0xa000);
1022                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
1023                 } else {
1024                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
1025
1026                         /* Read back fb_cmd until zero or 3 seconds max */
1027                         for (cnt = 0; cnt < 3000; cnt++) {
1028                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
1029                                         break;
1030                                 udelay(100);
1031                         }
1032                 }
1033
1034                 /* Select RISC module registers. */
1035                 WRT_REG_WORD(&reg->ctrl_status, 0);
1036                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1037
1038                 /* Reset RISC processor. */
1039                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1040                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1041
1042                 /* Release RISC processor. */
1043                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1044                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1045         }
1046
1047         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
1048         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
1049
1050         /* Reset ISP chip. */
1051         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1052
1053         /* Wait for RISC to recover from reset. */
1054         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1055                 /*
1056                  * It is necessary to for a delay here since the card doesn't
1057                  * respond to PCI reads during a reset. On some architectures
1058                  * this will result in an MCA.
1059                  */
1060                 udelay(20);
1061                 for (cnt = 30000; cnt; cnt--) {
1062                         if ((RD_REG_WORD(&reg->ctrl_status) &
1063                             CSR_ISP_SOFT_RESET) == 0)
1064                                 break;
1065                         udelay(100);
1066                 }
1067         } else
1068                 udelay(10);
1069
1070         /* Reset RISC processor. */
1071         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1072
1073         WRT_REG_WORD(&reg->semaphore, 0);
1074
1075         /* Release RISC processor. */
1076         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1077         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
1078
1079         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1080                 for (cnt = 0; cnt < 30000; cnt++) {
1081                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1082                                 break;
1083
1084                         udelay(100);
1085                 }
1086         } else
1087                 udelay(100);
1088
1089         /* Turn on master enable */
1090         cmd |= PCI_COMMAND_MASTER;
1091         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
1092
1093         /* Disable RISC pause on FPM parity error. */
1094         if (!IS_QLA2100(ha)) {
1095                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
1096                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1097         }
1098
1099         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1100 }
1101
1102 /**
1103  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
1104  *
1105  * Returns 0 on success.
1106  */
1107 static int
1108 qla81xx_reset_mpi(scsi_qla_host_t *vha)
1109 {
1110         uint16_t mb[4] = {0x1010, 0, 1, 0};
1111
1112         if (!IS_QLA81XX(vha->hw))
1113                 return QLA_SUCCESS;
1114
1115         return qla81xx_write_mpi_register(vha, mb);
1116 }
1117
1118 /**
1119  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
1120  * @ha: HA context
1121  *
1122  * Returns 0 on success.
1123  */
1124 static inline void
1125 qla24xx_reset_risc(scsi_qla_host_t *vha)
1126 {
1127         unsigned long flags = 0;
1128         struct qla_hw_data *ha = vha->hw;
1129         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1130         uint32_t cnt, d2;
1131         uint16_t wd;
1132         static int abts_cnt; /* ISP abort retry counts */
1133
1134         spin_lock_irqsave(&ha->hardware_lock, flags);
1135
1136         /* Reset RISC. */
1137         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1138         for (cnt = 0; cnt < 30000; cnt++) {
1139                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1140                         break;
1141
1142                 udelay(10);
1143         }
1144
1145         WRT_REG_DWORD(&reg->ctrl_status,
1146             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1147         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1148
1149         udelay(100);
1150         /* Wait for firmware to complete NVRAM accesses. */
1151         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1152         for (cnt = 10000 ; cnt && d2; cnt--) {
1153                 udelay(5);
1154                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1155                 barrier();
1156         }
1157
1158         /* Wait for soft-reset to complete. */
1159         d2 = RD_REG_DWORD(&reg->ctrl_status);
1160         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1161                 udelay(5);
1162                 d2 = RD_REG_DWORD(&reg->ctrl_status);
1163                 barrier();
1164         }
1165
1166         /* If required, do an MPI FW reset now */
1167         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1168                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1169                         if (++abts_cnt < 5) {
1170                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1171                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1172                         } else {
1173                                 /*
1174                                  * We exhausted the ISP abort retries. We have to
1175                                  * set the board offline.
1176                                  */
1177                                 abts_cnt = 0;
1178                                 vha->flags.online = 0;
1179                         }
1180                 }
1181         }
1182
1183         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1184         RD_REG_DWORD(&reg->hccr);
1185
1186         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1187         RD_REG_DWORD(&reg->hccr);
1188
1189         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1190         RD_REG_DWORD(&reg->hccr);
1191
1192         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1193         for (cnt = 6000000 ; cnt && d2; cnt--) {
1194                 udelay(5);
1195                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1196                 barrier();
1197         }
1198
1199         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1200
1201         if (IS_NOPOLLING_TYPE(ha))
1202                 ha->isp_ops->enable_intrs(ha);
1203 }
1204
1205 static void
1206 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
1207 {
1208         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1209
1210         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1211         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
1212
1213 }
1214
1215 static void
1216 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
1217 {
1218         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1219
1220         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1221         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
1222 }
1223
1224 static void
1225 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
1226 {
1227         struct qla_hw_data *ha = vha->hw;
1228         uint32_t wd32 = 0;
1229         uint delta_msec = 100;
1230         uint elapsed_msec = 0;
1231         uint timeout_msec;
1232         ulong n;
1233
1234         if (!IS_QLA25XX(ha) && !IS_QLA2031(ha))
1235                 return;
1236
1237 attempt:
1238         timeout_msec = TIMEOUT_SEMAPHORE;
1239         n = timeout_msec / delta_msec;
1240         while (n--) {
1241                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
1242                 qla25xx_read_risc_sema_reg(vha, &wd32);
1243                 if (wd32 & RISC_SEMAPHORE)
1244                         break;
1245                 msleep(delta_msec);
1246                 elapsed_msec += delta_msec;
1247                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1248                         goto force;
1249         }
1250
1251         if (!(wd32 & RISC_SEMAPHORE))
1252                 goto force;
1253
1254         if (!(wd32 & RISC_SEMAPHORE_FORCE))
1255                 goto acquired;
1256
1257         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
1258         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
1259         n = timeout_msec / delta_msec;
1260         while (n--) {
1261                 qla25xx_read_risc_sema_reg(vha, &wd32);
1262                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
1263                         break;
1264                 msleep(delta_msec);
1265                 elapsed_msec += delta_msec;
1266                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1267                         goto force;
1268         }
1269
1270         if (wd32 & RISC_SEMAPHORE_FORCE)
1271                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
1272
1273         goto attempt;
1274
1275 force:
1276         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
1277
1278 acquired:
1279         return;
1280 }
1281
1282 /**
1283  * qla24xx_reset_chip() - Reset ISP24xx chip.
1284  * @ha: HA context
1285  *
1286  * Returns 0 on success.
1287  */
1288 void
1289 qla24xx_reset_chip(scsi_qla_host_t *vha)
1290 {
1291         struct qla_hw_data *ha = vha->hw;
1292
1293         if (pci_channel_offline(ha->pdev) &&
1294             ha->flags.pci_channel_io_perm_failure) {
1295                 return;
1296         }
1297
1298         ha->isp_ops->disable_intrs(ha);
1299
1300         qla25xx_manipulate_risc_semaphore(vha);
1301
1302         /* Perform RISC reset. */
1303         qla24xx_reset_risc(vha);
1304 }
1305
1306 /**
1307  * qla2x00_chip_diag() - Test chip for proper operation.
1308  * @ha: HA context
1309  *
1310  * Returns 0 on success.
1311  */
1312 int
1313 qla2x00_chip_diag(scsi_qla_host_t *vha)
1314 {
1315         int             rval;
1316         struct qla_hw_data *ha = vha->hw;
1317         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1318         unsigned long   flags = 0;
1319         uint16_t        data;
1320         uint32_t        cnt;
1321         uint16_t        mb[5];
1322         struct req_que *req = ha->req_q_map[0];
1323
1324         /* Assume a failed state */
1325         rval = QLA_FUNCTION_FAILED;
1326
1327         ql_dbg(ql_dbg_init, vha, 0x007b,
1328             "Testing device at %lx.\n", (u_long)&reg->flash_address);
1329
1330         spin_lock_irqsave(&ha->hardware_lock, flags);
1331
1332         /* Reset ISP chip. */
1333         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1334
1335         /*
1336          * We need to have a delay here since the card will not respond while
1337          * in reset causing an MCA on some architectures.
1338          */
1339         udelay(20);
1340         data = qla2x00_debounce_register(&reg->ctrl_status);
1341         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1342                 udelay(5);
1343                 data = RD_REG_WORD(&reg->ctrl_status);
1344                 barrier();
1345         }
1346
1347         if (!cnt)
1348                 goto chip_diag_failed;
1349
1350         ql_dbg(ql_dbg_init, vha, 0x007c,
1351             "Reset register cleared by chip reset.\n");
1352
1353         /* Reset RISC processor. */
1354         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1355         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1356
1357         /* Workaround for QLA2312 PCI parity error */
1358         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1359                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1360                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1361                         udelay(5);
1362                         data = RD_MAILBOX_REG(ha, reg, 0);
1363                         barrier();
1364                 }
1365         } else
1366                 udelay(10);
1367
1368         if (!cnt)
1369                 goto chip_diag_failed;
1370
1371         /* Check product ID of chip */
1372         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1373
1374         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1375         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1376         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1377         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1378         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1379             mb[3] != PROD_ID_3) {
1380                 ql_log(ql_log_warn, vha, 0x0062,
1381                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1382                     mb[1], mb[2], mb[3]);
1383
1384                 goto chip_diag_failed;
1385         }
1386         ha->product_id[0] = mb[1];
1387         ha->product_id[1] = mb[2];
1388         ha->product_id[2] = mb[3];
1389         ha->product_id[3] = mb[4];
1390
1391         /* Adjust fw RISC transfer size */
1392         if (req->length > 1024)
1393                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1394         else
1395                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1396                     req->length;
1397
1398         if (IS_QLA2200(ha) &&
1399             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1400                 /* Limit firmware transfer size with a 2200A */
1401                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1402
1403                 ha->device_type |= DT_ISP2200A;
1404                 ha->fw_transfer_size = 128;
1405         }
1406
1407         /* Wrap Incoming Mailboxes Test. */
1408         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1409
1410         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1411         rval = qla2x00_mbx_reg_test(vha);
1412         if (rval)
1413                 ql_log(ql_log_warn, vha, 0x0080,
1414                     "Failed mailbox send register test.\n");
1415         else
1416                 /* Flag a successful rval */
1417                 rval = QLA_SUCCESS;
1418         spin_lock_irqsave(&ha->hardware_lock, flags);
1419
1420 chip_diag_failed:
1421         if (rval)
1422                 ql_log(ql_log_info, vha, 0x0081,
1423                     "Chip diagnostics **** FAILED ****.\n");
1424
1425         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1426
1427         return (rval);
1428 }
1429
1430 /**
1431  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1432  * @ha: HA context
1433  *
1434  * Returns 0 on success.
1435  */
1436 int
1437 qla24xx_chip_diag(scsi_qla_host_t *vha)
1438 {
1439         int rval;
1440         struct qla_hw_data *ha = vha->hw;
1441         struct req_que *req = ha->req_q_map[0];
1442
1443         if (IS_P3P_TYPE(ha))
1444                 return QLA_SUCCESS;
1445
1446         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1447
1448         rval = qla2x00_mbx_reg_test(vha);
1449         if (rval) {
1450                 ql_log(ql_log_warn, vha, 0x0082,
1451                     "Failed mailbox send register test.\n");
1452         } else {
1453                 /* Flag a successful rval */
1454                 rval = QLA_SUCCESS;
1455         }
1456
1457         return rval;
1458 }
1459
1460 void
1461 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1462 {
1463         int rval;
1464         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1465             eft_size, fce_size, mq_size;
1466         dma_addr_t tc_dma;
1467         void *tc;
1468         struct qla_hw_data *ha = vha->hw;
1469         struct req_que *req = ha->req_q_map[0];
1470         struct rsp_que *rsp = ha->rsp_q_map[0];
1471
1472         if (ha->fw_dump) {
1473                 ql_dbg(ql_dbg_init, vha, 0x00bd,
1474                     "Firmware dump already allocated.\n");
1475                 return;
1476         }
1477
1478         ha->fw_dumped = 0;
1479         ha->fw_dump_cap_flags = 0;
1480         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1481         req_q_size = rsp_q_size = 0;
1482
1483         if (IS_QLA27XX(ha))
1484                 goto try_fce;
1485
1486         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1487                 fixed_size = sizeof(struct qla2100_fw_dump);
1488         } else if (IS_QLA23XX(ha)) {
1489                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1490                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1491                     sizeof(uint16_t);
1492         } else if (IS_FWI2_CAPABLE(ha)) {
1493                 if (IS_QLA83XX(ha))
1494                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1495                 else if (IS_QLA81XX(ha))
1496                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1497                 else if (IS_QLA25XX(ha))
1498                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1499                 else
1500                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1501
1502                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1503                     sizeof(uint32_t);
1504                 if (ha->mqenable) {
1505                         if (!IS_QLA83XX(ha))
1506                                 mq_size = sizeof(struct qla2xxx_mq_chain);
1507                         /*
1508                          * Allocate maximum buffer size for all queues.
1509                          * Resizing must be done at end-of-dump processing.
1510                          */
1511                         mq_size += ha->max_req_queues *
1512                             (req->length * sizeof(request_t));
1513                         mq_size += ha->max_rsp_queues *
1514                             (rsp->length * sizeof(response_t));
1515                 }
1516                 if (ha->tgt.atio_ring)
1517                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
1518                 /* Allocate memory for Fibre Channel Event Buffer. */
1519                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1520                     !IS_QLA27XX(ha))
1521                         goto try_eft;
1522
1523 try_fce:
1524                 if (ha->fce)
1525                         dma_free_coherent(&ha->pdev->dev,
1526                             FCE_SIZE, ha->fce, ha->fce_dma);
1527
1528                 /* Allocate memory for Fibre Channel Event Buffer. */
1529                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1530                     GFP_KERNEL);
1531                 if (!tc) {
1532                         ql_log(ql_log_warn, vha, 0x00be,
1533                             "Unable to allocate (%d KB) for FCE.\n",
1534                             FCE_SIZE / 1024);
1535                         goto try_eft;
1536                 }
1537
1538                 memset(tc, 0, FCE_SIZE);
1539                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1540                     ha->fce_mb, &ha->fce_bufs);
1541                 if (rval) {
1542                         ql_log(ql_log_warn, vha, 0x00bf,
1543                             "Unable to initialize FCE (%d).\n", rval);
1544                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1545                             tc_dma);
1546                         ha->flags.fce_enabled = 0;
1547                         goto try_eft;
1548                 }
1549                 ql_dbg(ql_dbg_init, vha, 0x00c0,
1550                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1551
1552                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1553                 ha->flags.fce_enabled = 1;
1554                 ha->fce_dma = tc_dma;
1555                 ha->fce = tc;
1556
1557 try_eft:
1558                 if (ha->eft)
1559                         dma_free_coherent(&ha->pdev->dev,
1560                             EFT_SIZE, ha->eft, ha->eft_dma);
1561
1562                 /* Allocate memory for Extended Trace Buffer. */
1563                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1564                     GFP_KERNEL);
1565                 if (!tc) {
1566                         ql_log(ql_log_warn, vha, 0x00c1,
1567                             "Unable to allocate (%d KB) for EFT.\n",
1568                             EFT_SIZE / 1024);
1569                         goto cont_alloc;
1570                 }
1571
1572                 memset(tc, 0, EFT_SIZE);
1573                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1574                 if (rval) {
1575                         ql_log(ql_log_warn, vha, 0x00c2,
1576                             "Unable to initialize EFT (%d).\n", rval);
1577                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1578                             tc_dma);
1579                         goto cont_alloc;
1580                 }
1581                 ql_dbg(ql_dbg_init, vha, 0x00c3,
1582                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1583
1584                 eft_size = EFT_SIZE;
1585                 ha->eft_dma = tc_dma;
1586                 ha->eft = tc;
1587         }
1588
1589 cont_alloc:
1590         if (IS_QLA27XX(ha)) {
1591                 if (!ha->fw_dump_template) {
1592                         ql_log(ql_log_warn, vha, 0x00ba,
1593                             "Failed missing fwdump template\n");
1594                         return;
1595                 }
1596                 dump_size = qla27xx_fwdt_calculate_dump_size(vha);
1597                 ql_dbg(ql_dbg_init, vha, 0x00fa,
1598                     "-> allocating fwdump (%x bytes)...\n", dump_size);
1599                 goto allocate;
1600         }
1601
1602         req_q_size = req->length * sizeof(request_t);
1603         rsp_q_size = rsp->length * sizeof(response_t);
1604         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1605         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1606         ha->chain_offset = dump_size;
1607         dump_size += mq_size + fce_size;
1608
1609 allocate:
1610         ha->fw_dump = vmalloc(dump_size);
1611         if (!ha->fw_dump) {
1612                 ql_log(ql_log_warn, vha, 0x00c4,
1613                     "Unable to allocate (%d KB) for firmware dump.\n",
1614                     dump_size / 1024);
1615
1616                 if (ha->fce) {
1617                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1618                             ha->fce_dma);
1619                         ha->fce = NULL;
1620                         ha->fce_dma = 0;
1621                 }
1622
1623                 if (ha->eft) {
1624                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1625                             ha->eft_dma);
1626                         ha->eft = NULL;
1627                         ha->eft_dma = 0;
1628                 }
1629                 return;
1630         }
1631         ha->fw_dump_len = dump_size;
1632         ql_dbg(ql_dbg_init, vha, 0x00c5,
1633             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1634
1635         if (IS_QLA27XX(ha))
1636                 return;
1637
1638         ha->fw_dump->signature[0] = 'Q';
1639         ha->fw_dump->signature[1] = 'L';
1640         ha->fw_dump->signature[2] = 'G';
1641         ha->fw_dump->signature[3] = 'C';
1642         ha->fw_dump->version = __constant_htonl(1);
1643
1644         ha->fw_dump->fixed_size = htonl(fixed_size);
1645         ha->fw_dump->mem_size = htonl(mem_size);
1646         ha->fw_dump->req_q_size = htonl(req_q_size);
1647         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1648
1649         ha->fw_dump->eft_size = htonl(eft_size);
1650         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1651         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1652
1653         ha->fw_dump->header_size =
1654             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1655 }
1656
1657 static int
1658 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1659 {
1660 #define MPS_MASK        0xe0
1661         int rval;
1662         uint16_t dc;
1663         uint32_t dw;
1664
1665         if (!IS_QLA81XX(vha->hw))
1666                 return QLA_SUCCESS;
1667
1668         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1669         if (rval != QLA_SUCCESS) {
1670                 ql_log(ql_log_warn, vha, 0x0105,
1671                     "Unable to acquire semaphore.\n");
1672                 goto done;
1673         }
1674
1675         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1676         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1677         if (rval != QLA_SUCCESS) {
1678                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1679                 goto done_release;
1680         }
1681
1682         dc &= MPS_MASK;
1683         if (dc == (dw & MPS_MASK))
1684                 goto done_release;
1685
1686         dw &= ~MPS_MASK;
1687         dw |= dc;
1688         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1689         if (rval != QLA_SUCCESS) {
1690                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1691         }
1692
1693 done_release:
1694         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1695         if (rval != QLA_SUCCESS) {
1696                 ql_log(ql_log_warn, vha, 0x006d,
1697                     "Unable to release semaphore.\n");
1698         }
1699
1700 done:
1701         return rval;
1702 }
1703
1704 int
1705 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
1706 {
1707         /* Don't try to reallocate the array */
1708         if (req->outstanding_cmds)
1709                 return QLA_SUCCESS;
1710
1711         if (!IS_FWI2_CAPABLE(ha) || (ha->mqiobase &&
1712             (ql2xmultique_tag || ql2xmaxqueues > 1)))
1713                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
1714         else {
1715                 if (ha->fw_xcb_count <= ha->fw_iocb_count)
1716                         req->num_outstanding_cmds = ha->fw_xcb_count;
1717                 else
1718                         req->num_outstanding_cmds = ha->fw_iocb_count;
1719         }
1720
1721         req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1722             req->num_outstanding_cmds, GFP_KERNEL);
1723
1724         if (!req->outstanding_cmds) {
1725                 /*
1726                  * Try to allocate a minimal size just so we can get through
1727                  * initialization.
1728                  */
1729                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
1730                 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1731                     req->num_outstanding_cmds, GFP_KERNEL);
1732
1733                 if (!req->outstanding_cmds) {
1734                         ql_log(ql_log_fatal, NULL, 0x0126,
1735                             "Failed to allocate memory for "
1736                             "outstanding_cmds for req_que %p.\n", req);
1737                         req->num_outstanding_cmds = 0;
1738                         return QLA_FUNCTION_FAILED;
1739                 }
1740         }
1741
1742         return QLA_SUCCESS;
1743 }
1744
1745 /**
1746  * qla2x00_setup_chip() - Load and start RISC firmware.
1747  * @ha: HA context
1748  *
1749  * Returns 0 on success.
1750  */
1751 static int
1752 qla2x00_setup_chip(scsi_qla_host_t *vha)
1753 {
1754         int rval;
1755         uint32_t srisc_address = 0;
1756         struct qla_hw_data *ha = vha->hw;
1757         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1758         unsigned long flags;
1759         uint16_t fw_major_version;
1760
1761         if (IS_P3P_TYPE(ha)) {
1762                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1763                 if (rval == QLA_SUCCESS) {
1764                         qla2x00_stop_firmware(vha);
1765                         goto enable_82xx_npiv;
1766                 } else
1767                         goto failed;
1768         }
1769
1770         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1771                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1772                 spin_lock_irqsave(&ha->hardware_lock, flags);
1773                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1774                 RD_REG_WORD(&reg->hccr);
1775                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1776         }
1777
1778         qla81xx_mpi_sync(vha);
1779
1780         /* Load firmware sequences */
1781         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1782         if (rval == QLA_SUCCESS) {
1783                 ql_dbg(ql_dbg_init, vha, 0x00c9,
1784                     "Verifying Checksum of loaded RISC code.\n");
1785
1786                 rval = qla2x00_verify_checksum(vha, srisc_address);
1787                 if (rval == QLA_SUCCESS) {
1788                         /* Start firmware execution. */
1789                         ql_dbg(ql_dbg_init, vha, 0x00ca,
1790                             "Starting firmware.\n");
1791
1792                         rval = qla2x00_execute_fw(vha, srisc_address);
1793                         /* Retrieve firmware information. */
1794                         if (rval == QLA_SUCCESS) {
1795 enable_82xx_npiv:
1796                                 fw_major_version = ha->fw_major_version;
1797                                 if (IS_P3P_TYPE(ha))
1798                                         qla82xx_check_md_needed(vha);
1799                                 else
1800                                         rval = qla2x00_get_fw_version(vha);
1801                                 if (rval != QLA_SUCCESS)
1802                                         goto failed;
1803                                 ha->flags.npiv_supported = 0;
1804                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1805                                          (ha->fw_attributes & BIT_2)) {
1806                                         ha->flags.npiv_supported = 1;
1807                                         if ((!ha->max_npiv_vports) ||
1808                                             ((ha->max_npiv_vports + 1) %
1809                                             MIN_MULTI_ID_FABRIC))
1810                                                 ha->max_npiv_vports =
1811                                                     MIN_MULTI_ID_FABRIC - 1;
1812                                 }
1813                                 qla2x00_get_resource_cnts(vha, NULL,
1814                                     &ha->fw_xcb_count, NULL, &ha->fw_iocb_count,
1815                                     &ha->max_npiv_vports, NULL);
1816
1817                                 /*
1818                                  * Allocate the array of outstanding commands
1819                                  * now that we know the firmware resources.
1820                                  */
1821                                 rval = qla2x00_alloc_outstanding_cmds(ha,
1822                                     vha->req);
1823                                 if (rval != QLA_SUCCESS)
1824                                         goto failed;
1825
1826                                 if (!fw_major_version && ql2xallocfwdump
1827                                     && !(IS_P3P_TYPE(ha)))
1828                                         qla2x00_alloc_fw_dump(vha);
1829                         } else {
1830                                 goto failed;
1831                         }
1832                 } else {
1833                         ql_log(ql_log_fatal, vha, 0x00cd,
1834                             "ISP Firmware failed checksum.\n");
1835                         goto failed;
1836                 }
1837         } else
1838                 goto failed;
1839
1840         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1841                 /* Enable proper parity. */
1842                 spin_lock_irqsave(&ha->hardware_lock, flags);
1843                 if (IS_QLA2300(ha))
1844                         /* SRAM parity */
1845                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1846                 else
1847                         /* SRAM, Instruction RAM and GP RAM parity */
1848                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1849                 RD_REG_WORD(&reg->hccr);
1850                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1851         }
1852
1853         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1854                 uint32_t size;
1855
1856                 rval = qla81xx_fac_get_sector_size(vha, &size);
1857                 if (rval == QLA_SUCCESS) {
1858                         ha->flags.fac_supported = 1;
1859                         ha->fdt_block_size = size << 2;
1860                 } else {
1861                         ql_log(ql_log_warn, vha, 0x00ce,
1862                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1863                             ha->fw_major_version, ha->fw_minor_version,
1864                             ha->fw_subminor_version);
1865
1866                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
1867                                 ha->flags.fac_supported = 0;
1868                                 rval = QLA_SUCCESS;
1869                         }
1870                 }
1871         }
1872 failed:
1873         if (rval) {
1874                 ql_log(ql_log_fatal, vha, 0x00cf,
1875                     "Setup chip ****FAILED****.\n");
1876         }
1877
1878         return (rval);
1879 }
1880
1881 /**
1882  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1883  * @ha: HA context
1884  *
1885  * Beginning of request ring has initialization control block already built
1886  * by nvram config routine.
1887  *
1888  * Returns 0 on success.
1889  */
1890 void
1891 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1892 {
1893         uint16_t cnt;
1894         response_t *pkt;
1895
1896         rsp->ring_ptr = rsp->ring;
1897         rsp->ring_index    = 0;
1898         rsp->status_srb = NULL;
1899         pkt = rsp->ring_ptr;
1900         for (cnt = 0; cnt < rsp->length; cnt++) {
1901                 pkt->signature = RESPONSE_PROCESSED;
1902                 pkt++;
1903         }
1904 }
1905
1906 /**
1907  * qla2x00_update_fw_options() - Read and process firmware options.
1908  * @ha: HA context
1909  *
1910  * Returns 0 on success.
1911  */
1912 void
1913 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1914 {
1915         uint16_t swing, emphasis, tx_sens, rx_sens;
1916         struct qla_hw_data *ha = vha->hw;
1917
1918         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1919         qla2x00_get_fw_options(vha, ha->fw_options);
1920
1921         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1922                 return;
1923
1924         /* Serial Link options. */
1925         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1926             "Serial link options.\n");
1927         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1928             (uint8_t *)&ha->fw_seriallink_options,
1929             sizeof(ha->fw_seriallink_options));
1930
1931         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1932         if (ha->fw_seriallink_options[3] & BIT_2) {
1933                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1934
1935                 /*  1G settings */
1936                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1937                 emphasis = (ha->fw_seriallink_options[2] &
1938                     (BIT_4 | BIT_3)) >> 3;
1939                 tx_sens = ha->fw_seriallink_options[0] &
1940                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1941                 rx_sens = (ha->fw_seriallink_options[0] &
1942                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1943                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1944                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1945                         if (rx_sens == 0x0)
1946                                 rx_sens = 0x3;
1947                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1948                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1949                         ha->fw_options[10] |= BIT_5 |
1950                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1951                             (tx_sens & (BIT_1 | BIT_0));
1952
1953                 /*  2G settings */
1954                 swing = (ha->fw_seriallink_options[2] &
1955                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1956                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1957                 tx_sens = ha->fw_seriallink_options[1] &
1958                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1959                 rx_sens = (ha->fw_seriallink_options[1] &
1960                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1961                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1962                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1963                         if (rx_sens == 0x0)
1964                                 rx_sens = 0x3;
1965                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1966                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1967                         ha->fw_options[11] |= BIT_5 |
1968                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1969                             (tx_sens & (BIT_1 | BIT_0));
1970         }
1971
1972         /* FCP2 options. */
1973         /*  Return command IOCBs without waiting for an ABTS to complete. */
1974         ha->fw_options[3] |= BIT_13;
1975
1976         /* LED scheme. */
1977         if (ha->flags.enable_led_scheme)
1978                 ha->fw_options[2] |= BIT_12;
1979
1980         /* Detect ISP6312. */
1981         if (IS_QLA6312(ha))
1982                 ha->fw_options[2] |= BIT_13;
1983
1984         /* Update firmware options. */
1985         qla2x00_set_fw_options(vha, ha->fw_options);
1986 }
1987
1988 void
1989 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1990 {
1991         int rval;
1992         struct qla_hw_data *ha = vha->hw;
1993
1994         if (IS_P3P_TYPE(ha))
1995                 return;
1996
1997         /* Update Serial Link options. */
1998         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1999                 return;
2000
2001         rval = qla2x00_set_serdes_params(vha,
2002             le16_to_cpu(ha->fw_seriallink_options24[1]),
2003             le16_to_cpu(ha->fw_seriallink_options24[2]),
2004             le16_to_cpu(ha->fw_seriallink_options24[3]));
2005         if (rval != QLA_SUCCESS) {
2006                 ql_log(ql_log_warn, vha, 0x0104,
2007                     "Unable to update Serial Link options (%x).\n", rval);
2008         }
2009 }
2010
2011 void
2012 qla2x00_config_rings(struct scsi_qla_host *vha)
2013 {
2014         struct qla_hw_data *ha = vha->hw;
2015         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2016         struct req_que *req = ha->req_q_map[0];
2017         struct rsp_que *rsp = ha->rsp_q_map[0];
2018
2019         /* Setup ring parameters in initialization control block. */
2020         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
2021         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
2022         ha->init_cb->request_q_length = cpu_to_le16(req->length);
2023         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
2024         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2025         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2026         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2027         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2028
2029         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
2030         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
2031         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
2032         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
2033         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
2034 }
2035
2036 void
2037 qla24xx_config_rings(struct scsi_qla_host *vha)
2038 {
2039         struct qla_hw_data *ha = vha->hw;
2040         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
2041         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
2042         struct qla_msix_entry *msix;
2043         struct init_cb_24xx *icb;
2044         uint16_t rid = 0;
2045         struct req_que *req = ha->req_q_map[0];
2046         struct rsp_que *rsp = ha->rsp_q_map[0];
2047
2048         /* Setup ring parameters in initialization control block. */
2049         icb = (struct init_cb_24xx *)ha->init_cb;
2050         icb->request_q_outpointer = __constant_cpu_to_le16(0);
2051         icb->response_q_inpointer = __constant_cpu_to_le16(0);
2052         icb->request_q_length = cpu_to_le16(req->length);
2053         icb->response_q_length = cpu_to_le16(rsp->length);
2054         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2055         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2056         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2057         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2058
2059         /* Setup ATIO queue dma pointers for target mode */
2060         icb->atio_q_inpointer = __constant_cpu_to_le16(0);
2061         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
2062         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
2063         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
2064
2065         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2066                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
2067                 icb->rid = __constant_cpu_to_le16(rid);
2068                 if (ha->flags.msix_enabled) {
2069                         msix = &ha->msix_entries[1];
2070                         ql_dbg(ql_dbg_init, vha, 0x00fd,
2071                             "Registering vector 0x%x for base que.\n",
2072                             msix->entry);
2073                         icb->msix = cpu_to_le16(msix->entry);
2074                 }
2075                 /* Use alternate PCI bus number */
2076                 if (MSB(rid))
2077                         icb->firmware_options_2 |=
2078                                 __constant_cpu_to_le32(BIT_19);
2079                 /* Use alternate PCI devfn */
2080                 if (LSB(rid))
2081                         icb->firmware_options_2 |=
2082                                 __constant_cpu_to_le32(BIT_18);
2083
2084                 /* Use Disable MSIX Handshake mode for capable adapters */
2085                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
2086                     (ha->flags.msix_enabled)) {
2087                         icb->firmware_options_2 &=
2088                                 __constant_cpu_to_le32(~BIT_22);
2089                         ha->flags.disable_msix_handshake = 1;
2090                         ql_dbg(ql_dbg_init, vha, 0x00fe,
2091                             "MSIX Handshake Disable Mode turned on.\n");
2092                 } else {
2093                         icb->firmware_options_2 |=
2094                                 __constant_cpu_to_le32(BIT_22);
2095                 }
2096                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
2097
2098                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
2099                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
2100                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
2101                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
2102         } else {
2103                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
2104                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
2105                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
2106                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
2107         }
2108         qlt_24xx_config_rings(vha);
2109
2110         /* PCI posting */
2111         RD_REG_DWORD(&ioreg->hccr);
2112 }
2113
2114 /**
2115  * qla2x00_init_rings() - Initializes firmware.
2116  * @ha: HA context
2117  *
2118  * Beginning of request ring has initialization control block already built
2119  * by nvram config routine.
2120  *
2121  * Returns 0 on success.
2122  */
2123 int
2124 qla2x00_init_rings(scsi_qla_host_t *vha)
2125 {
2126         int     rval;
2127         unsigned long flags = 0;
2128         int cnt, que;
2129         struct qla_hw_data *ha = vha->hw;
2130         struct req_que *req;
2131         struct rsp_que *rsp;
2132         struct mid_init_cb_24xx *mid_init_cb =
2133             (struct mid_init_cb_24xx *) ha->init_cb;
2134
2135         spin_lock_irqsave(&ha->hardware_lock, flags);
2136
2137         /* Clear outstanding commands array. */
2138         for (que = 0; que < ha->max_req_queues; que++) {
2139                 req = ha->req_q_map[que];
2140                 if (!req)
2141                         continue;
2142                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2143                         req->outstanding_cmds[cnt] = NULL;
2144
2145                 req->current_outstanding_cmd = 1;
2146
2147                 /* Initialize firmware. */
2148                 req->ring_ptr  = req->ring;
2149                 req->ring_index    = 0;
2150                 req->cnt      = req->length;
2151         }
2152
2153         for (que = 0; que < ha->max_rsp_queues; que++) {
2154                 rsp = ha->rsp_q_map[que];
2155                 if (!rsp)
2156                         continue;
2157                 /* Initialize response queue entries */
2158                 if (IS_QLAFX00(ha))
2159                         qlafx00_init_response_q_entries(rsp);
2160                 else
2161                         qla2x00_init_response_q_entries(rsp);
2162         }
2163
2164         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2165         ha->tgt.atio_ring_index = 0;
2166         /* Initialize ATIO queue entries */
2167         qlt_init_atio_q_entries(vha);
2168
2169         ha->isp_ops->config_rings(vha);
2170
2171         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2172
2173         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2174
2175         if (IS_QLAFX00(ha)) {
2176                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
2177                 goto next_check;
2178         }
2179
2180         /* Update any ISP specific firmware options before initialization. */
2181         ha->isp_ops->update_fw_options(vha);
2182
2183         if (ha->flags.npiv_supported) {
2184                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2185                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2186                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2187         }
2188
2189         if (IS_FWI2_CAPABLE(ha)) {
2190                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2191                 mid_init_cb->init_cb.execution_throttle =
2192                     cpu_to_le16(ha->fw_xcb_count);
2193         }
2194
2195         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2196 next_check:
2197         if (rval) {
2198                 ql_log(ql_log_fatal, vha, 0x00d2,
2199                     "Init Firmware **** FAILED ****.\n");
2200         } else {
2201                 ql_dbg(ql_dbg_init, vha, 0x00d3,
2202                     "Init Firmware -- success.\n");
2203         }
2204
2205         return (rval);
2206 }
2207
2208 /**
2209  * qla2x00_fw_ready() - Waits for firmware ready.
2210  * @ha: HA context
2211  *
2212  * Returns 0 on success.
2213  */
2214 static int
2215 qla2x00_fw_ready(scsi_qla_host_t *vha)
2216 {
2217         int             rval;
2218         unsigned long   wtime, mtime, cs84xx_time;
2219         uint16_t        min_wait;       /* Minimum wait time if loop is down */
2220         uint16_t        wait_time;      /* Wait time if loop is coming ready */
2221         uint16_t        state[5];
2222         struct qla_hw_data *ha = vha->hw;
2223
2224         if (IS_QLAFX00(vha->hw))
2225                 return qlafx00_fw_ready(vha);
2226
2227         rval = QLA_SUCCESS;
2228
2229         /* 20 seconds for loop down. */
2230         min_wait = 20;
2231
2232         /*
2233          * Firmware should take at most one RATOV to login, plus 5 seconds for
2234          * our own processing.
2235          */
2236         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2237                 wait_time = min_wait;
2238         }
2239
2240         /* Min wait time if loop down */
2241         mtime = jiffies + (min_wait * HZ);
2242
2243         /* wait time before firmware ready */
2244         wtime = jiffies + (wait_time * HZ);
2245
2246         /* Wait for ISP to finish LIP */
2247         if (!vha->flags.init_done)
2248                 ql_log(ql_log_info, vha, 0x801e,
2249                     "Waiting for LIP to complete.\n");
2250
2251         do {
2252                 memset(state, -1, sizeof(state));
2253                 rval = qla2x00_get_firmware_state(vha, state);
2254                 if (rval == QLA_SUCCESS) {
2255                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
2256                                 vha->device_flags &= ~DFLG_NO_CABLE;
2257                         }
2258                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2259                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
2260                                     "fw_state=%x 84xx=%x.\n", state[0],
2261                                     state[2]);
2262                                 if ((state[2] & FSTATE_LOGGED_IN) &&
2263                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2264                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
2265                                             "Sending verify iocb.\n");
2266
2267                                         cs84xx_time = jiffies;
2268                                         rval = qla84xx_init_chip(vha);
2269                                         if (rval != QLA_SUCCESS) {
2270                                                 ql_log(ql_log_warn,
2271                                                     vha, 0x8007,
2272                                                     "Init chip failed.\n");
2273                                                 break;
2274                                         }
2275
2276                                         /* Add time taken to initialize. */
2277                                         cs84xx_time = jiffies - cs84xx_time;
2278                                         wtime += cs84xx_time;
2279                                         mtime += cs84xx_time;
2280                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
2281                                             "Increasing wait time by %ld. "
2282                                             "New time %ld.\n", cs84xx_time,
2283                                             wtime);
2284                                 }
2285                         } else if (state[0] == FSTATE_READY) {
2286                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2287                                     "F/W Ready - OK.\n");
2288
2289                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2290                                     &ha->login_timeout, &ha->r_a_tov);
2291
2292                                 rval = QLA_SUCCESS;
2293                                 break;
2294                         }
2295
2296                         rval = QLA_FUNCTION_FAILED;
2297
2298                         if (atomic_read(&vha->loop_down_timer) &&
2299                             state[0] != FSTATE_READY) {
2300                                 /* Loop down. Timeout on min_wait for states
2301                                  * other than Wait for Login.
2302                                  */
2303                                 if (time_after_eq(jiffies, mtime)) {
2304                                         ql_log(ql_log_info, vha, 0x8038,
2305                                             "Cable is unplugged...\n");
2306
2307                                         vha->device_flags |= DFLG_NO_CABLE;
2308                                         break;
2309                                 }
2310                         }
2311                 } else {
2312                         /* Mailbox cmd failed. Timeout on min_wait. */
2313                         if (time_after_eq(jiffies, mtime) ||
2314                                 ha->flags.isp82xx_fw_hung)
2315                                 break;
2316                 }
2317
2318                 if (time_after_eq(jiffies, wtime))
2319                         break;
2320
2321                 /* Delay for a while */
2322                 msleep(500);
2323         } while (1);
2324
2325         ql_dbg(ql_dbg_taskm, vha, 0x803a,
2326             "fw_state=%x (%x, %x, %x, %x) " "curr time=%lx.\n", state[0],
2327             state[1], state[2], state[3], state[4], jiffies);
2328
2329         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2330                 ql_log(ql_log_warn, vha, 0x803b,
2331                     "Firmware ready **** FAILED ****.\n");
2332         }
2333
2334         return (rval);
2335 }
2336
2337 /*
2338 *  qla2x00_configure_hba
2339 *      Setup adapter context.
2340 *
2341 * Input:
2342 *      ha = adapter state pointer.
2343 *
2344 * Returns:
2345 *      0 = success
2346 *
2347 * Context:
2348 *      Kernel context.
2349 */
2350 static int
2351 qla2x00_configure_hba(scsi_qla_host_t *vha)
2352 {
2353         int       rval;
2354         uint16_t      loop_id;
2355         uint16_t      topo;
2356         uint16_t      sw_cap;
2357         uint8_t       al_pa;
2358         uint8_t       area;
2359         uint8_t       domain;
2360         char            connect_type[22];
2361         struct qla_hw_data *ha = vha->hw;
2362         unsigned long flags;
2363         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2364
2365         /* Get host addresses. */
2366         rval = qla2x00_get_adapter_id(vha,
2367             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2368         if (rval != QLA_SUCCESS) {
2369                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2370                     IS_CNA_CAPABLE(ha) ||
2371                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2372                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2373                             "Loop is in a transition state.\n");
2374                 } else {
2375                         ql_log(ql_log_warn, vha, 0x2009,
2376                             "Unable to get host loop ID.\n");
2377                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2378                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2379                                 ql_log(ql_log_warn, vha, 0x1151,
2380                                     "Doing link init.\n");
2381                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2382                                         return rval;
2383                         }
2384                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2385                 }
2386                 return (rval);
2387         }
2388
2389         if (topo == 4) {
2390                 ql_log(ql_log_info, vha, 0x200a,
2391                     "Cannot get topology - retrying.\n");
2392                 return (QLA_FUNCTION_FAILED);
2393         }
2394
2395         vha->loop_id = loop_id;
2396
2397         /* initialize */
2398         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2399         ha->operating_mode = LOOP;
2400         ha->switch_cap = 0;
2401
2402         switch (topo) {
2403         case 0:
2404                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2405                 ha->current_topology = ISP_CFG_NL;
2406                 strcpy(connect_type, "(Loop)");
2407                 break;
2408
2409         case 1:
2410                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2411                 ha->switch_cap = sw_cap;
2412                 ha->current_topology = ISP_CFG_FL;
2413                 strcpy(connect_type, "(FL_Port)");
2414                 break;
2415
2416         case 2:
2417                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2418                 ha->operating_mode = P2P;
2419                 ha->current_topology = ISP_CFG_N;
2420                 strcpy(connect_type, "(N_Port-to-N_Port)");
2421                 break;
2422
2423         case 3:
2424                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2425                 ha->switch_cap = sw_cap;
2426                 ha->operating_mode = P2P;
2427                 ha->current_topology = ISP_CFG_F;
2428                 strcpy(connect_type, "(F_Port)");
2429                 break;
2430
2431         default:
2432                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2433                     "HBA in unknown topology %x, using NL.\n", topo);
2434                 ha->current_topology = ISP_CFG_NL;
2435                 strcpy(connect_type, "(Loop)");
2436                 break;
2437         }
2438
2439         /* Save Host port and loop ID. */
2440         /* byte order - Big Endian */
2441         vha->d_id.b.domain = domain;
2442         vha->d_id.b.area = area;
2443         vha->d_id.b.al_pa = al_pa;
2444
2445         spin_lock_irqsave(&ha->vport_slock, flags);
2446         qlt_update_vp_map(vha, SET_AL_PA);
2447         spin_unlock_irqrestore(&ha->vport_slock, flags);
2448
2449         if (!vha->flags.init_done)
2450                 ql_log(ql_log_info, vha, 0x2010,
2451                     "Topology - %s, Host Loop address 0x%x.\n",
2452                     connect_type, vha->loop_id);
2453
2454         return(rval);
2455 }
2456
2457 inline void
2458 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2459         char *def)
2460 {
2461         char *st, *en;
2462         uint16_t index;
2463         struct qla_hw_data *ha = vha->hw;
2464         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2465             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2466
2467         if (memcmp(model, BINZERO, len) != 0) {
2468                 strncpy(ha->model_number, model, len);
2469                 st = en = ha->model_number;
2470                 en += len - 1;
2471                 while (en > st) {
2472                         if (*en != 0x20 && *en != 0x00)
2473                                 break;
2474                         *en-- = '\0';
2475                 }
2476
2477                 index = (ha->pdev->subsystem_device & 0xff);
2478                 if (use_tbl &&
2479                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2480                     index < QLA_MODEL_NAMES)
2481                         strncpy(ha->model_desc,
2482                             qla2x00_model_name[index * 2 + 1],
2483                             sizeof(ha->model_desc) - 1);
2484         } else {
2485                 index = (ha->pdev->subsystem_device & 0xff);
2486                 if (use_tbl &&
2487                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2488                     index < QLA_MODEL_NAMES) {
2489                         strcpy(ha->model_number,
2490                             qla2x00_model_name[index * 2]);
2491                         strncpy(ha->model_desc,
2492                             qla2x00_model_name[index * 2 + 1],
2493                             sizeof(ha->model_desc) - 1);
2494                 } else {
2495                         strcpy(ha->model_number, def);
2496                 }
2497         }
2498         if (IS_FWI2_CAPABLE(ha))
2499                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2500                     sizeof(ha->model_desc));
2501 }
2502
2503 /* On sparc systems, obtain port and node WWN from firmware
2504  * properties.
2505  */
2506 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2507 {
2508 #ifdef CONFIG_SPARC
2509         struct qla_hw_data *ha = vha->hw;
2510         struct pci_dev *pdev = ha->pdev;
2511         struct device_node *dp = pci_device_to_OF_node(pdev);
2512         const u8 *val;
2513         int len;
2514
2515         val = of_get_property(dp, "port-wwn", &len);
2516         if (val && len >= WWN_SIZE)
2517                 memcpy(nv->port_name, val, WWN_SIZE);
2518
2519         val = of_get_property(dp, "node-wwn", &len);
2520         if (val && len >= WWN_SIZE)
2521                 memcpy(nv->node_name, val, WWN_SIZE);
2522 #endif
2523 }
2524
2525 /*
2526 * NVRAM configuration for ISP 2xxx
2527 *
2528 * Input:
2529 *      ha                = adapter block pointer.
2530 *
2531 * Output:
2532 *      initialization control block in response_ring
2533 *      host adapters parameters in host adapter block
2534 *
2535 * Returns:
2536 *      0 = success.
2537 */
2538 int
2539 qla2x00_nvram_config(scsi_qla_host_t *vha)
2540 {
2541         int             rval;
2542         uint8_t         chksum = 0;
2543         uint16_t        cnt;
2544         uint8_t         *dptr1, *dptr2;
2545         struct qla_hw_data *ha = vha->hw;
2546         init_cb_t       *icb = ha->init_cb;
2547         nvram_t         *nv = ha->nvram;
2548         uint8_t         *ptr = ha->nvram;
2549         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2550
2551         rval = QLA_SUCCESS;
2552
2553         /* Determine NVRAM starting address. */
2554         ha->nvram_size = sizeof(nvram_t);
2555         ha->nvram_base = 0;
2556         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2557                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2558                         ha->nvram_base = 0x80;
2559
2560         /* Get NVRAM data and calculate checksum. */
2561         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2562         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2563                 chksum += *ptr++;
2564
2565         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2566             "Contents of NVRAM.\n");
2567         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2568             (uint8_t *)nv, ha->nvram_size);
2569
2570         /* Bad NVRAM data, set defaults parameters. */
2571         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2572             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2573                 /* Reset NVRAM data. */
2574                 ql_log(ql_log_warn, vha, 0x0064,
2575                     "Inconsistent NVRAM "
2576                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2577                     chksum, nv->id[0], nv->nvram_version);
2578                 ql_log(ql_log_warn, vha, 0x0065,
2579                     "Falling back to "
2580                     "functioning (yet invalid -- WWPN) defaults.\n");
2581
2582                 /*
2583                  * Set default initialization control block.
2584                  */
2585                 memset(nv, 0, ha->nvram_size);
2586                 nv->parameter_block_version = ICB_VERSION;
2587
2588                 if (IS_QLA23XX(ha)) {
2589                         nv->firmware_options[0] = BIT_2 | BIT_1;
2590                         nv->firmware_options[1] = BIT_7 | BIT_5;
2591                         nv->add_firmware_options[0] = BIT_5;
2592                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2593                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2594                         nv->special_options[1] = BIT_7;
2595                 } else if (IS_QLA2200(ha)) {
2596                         nv->firmware_options[0] = BIT_2 | BIT_1;
2597                         nv->firmware_options[1] = BIT_7 | BIT_5;
2598                         nv->add_firmware_options[0] = BIT_5;
2599                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2600                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2601                 } else if (IS_QLA2100(ha)) {
2602                         nv->firmware_options[0] = BIT_3 | BIT_1;
2603                         nv->firmware_options[1] = BIT_5;
2604                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2605                 }
2606
2607                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2608                 nv->execution_throttle = __constant_cpu_to_le16(16);
2609                 nv->retry_count = 8;
2610                 nv->retry_delay = 1;
2611
2612                 nv->port_name[0] = 33;
2613                 nv->port_name[3] = 224;
2614                 nv->port_name[4] = 139;
2615
2616                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2617
2618                 nv->login_timeout = 4;
2619
2620                 /*
2621                  * Set default host adapter parameters
2622                  */
2623                 nv->host_p[1] = BIT_2;
2624                 nv->reset_delay = 5;
2625                 nv->port_down_retry_count = 8;
2626                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2627                 nv->link_down_timeout = 60;
2628
2629                 rval = 1;
2630         }
2631
2632 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2633         /*
2634          * The SN2 does not provide BIOS emulation which means you can't change
2635          * potentially bogus BIOS settings. Force the use of default settings
2636          * for link rate and frame size.  Hope that the rest of the settings
2637          * are valid.
2638          */
2639         if (ia64_platform_is("sn2")) {
2640                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2641                 if (IS_QLA23XX(ha))
2642                         nv->special_options[1] = BIT_7;
2643         }
2644 #endif
2645
2646         /* Reset Initialization control block */
2647         memset(icb, 0, ha->init_cb_size);
2648
2649         /*
2650          * Setup driver NVRAM options.
2651          */
2652         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2653         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2654         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2655         nv->firmware_options[1] &= ~BIT_4;
2656
2657         if (IS_QLA23XX(ha)) {
2658                 nv->firmware_options[0] |= BIT_2;
2659                 nv->firmware_options[0] &= ~BIT_3;
2660                 nv->special_options[0] &= ~BIT_6;
2661                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2662
2663                 if (IS_QLA2300(ha)) {
2664                         if (ha->fb_rev == FPM_2310) {
2665                                 strcpy(ha->model_number, "QLA2310");
2666                         } else {
2667                                 strcpy(ha->model_number, "QLA2300");
2668                         }
2669                 } else {
2670                         qla2x00_set_model_info(vha, nv->model_number,
2671                             sizeof(nv->model_number), "QLA23xx");
2672                 }
2673         } else if (IS_QLA2200(ha)) {
2674                 nv->firmware_options[0] |= BIT_2;
2675                 /*
2676                  * 'Point-to-point preferred, else loop' is not a safe
2677                  * connection mode setting.
2678                  */
2679                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2680                     (BIT_5 | BIT_4)) {
2681                         /* Force 'loop preferred, else point-to-point'. */
2682                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2683                         nv->add_firmware_options[0] |= BIT_5;
2684                 }
2685                 strcpy(ha->model_number, "QLA22xx");
2686         } else /*if (IS_QLA2100(ha))*/ {
2687                 strcpy(ha->model_number, "QLA2100");
2688         }
2689
2690         /*
2691          * Copy over NVRAM RISC parameter block to initialization control block.
2692          */
2693         dptr1 = (uint8_t *)icb;
2694         dptr2 = (uint8_t *)&nv->parameter_block_version;
2695         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2696         while (cnt--)
2697                 *dptr1++ = *dptr2++;
2698
2699         /* Copy 2nd half. */
2700         dptr1 = (uint8_t *)icb->add_firmware_options;
2701         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2702         while (cnt--)
2703                 *dptr1++ = *dptr2++;
2704
2705         /* Use alternate WWN? */
2706         if (nv->host_p[1] & BIT_7) {
2707                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2708                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2709         }
2710
2711         /* Prepare nodename */
2712         if ((icb->firmware_options[1] & BIT_6) == 0) {
2713                 /*
2714                  * Firmware will apply the following mask if the nodename was
2715                  * not provided.
2716                  */
2717                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2718                 icb->node_name[0] &= 0xF0;
2719         }
2720
2721         /*
2722          * Set host adapter parameters.
2723          */
2724
2725         /*
2726          * BIT_7 in the host-parameters section allows for modification to
2727          * internal driver logging.
2728          */
2729         if (nv->host_p[0] & BIT_7)
2730                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2731         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2732         /* Always load RISC code on non ISP2[12]00 chips. */
2733         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2734                 ha->flags.disable_risc_code_load = 0;
2735         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2736         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2737         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2738         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2739         ha->flags.disable_serdes = 0;
2740
2741         ha->operating_mode =
2742             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2743
2744         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2745             sizeof(ha->fw_seriallink_options));
2746
2747         /* save HBA serial number */
2748         ha->serial0 = icb->port_name[5];
2749         ha->serial1 = icb->port_name[6];
2750         ha->serial2 = icb->port_name[7];
2751         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2752         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2753
2754         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2755
2756         ha->retry_count = nv->retry_count;
2757
2758         /* Set minimum login_timeout to 4 seconds. */
2759         if (nv->login_timeout != ql2xlogintimeout)
2760                 nv->login_timeout = ql2xlogintimeout;
2761         if (nv->login_timeout < 4)
2762                 nv->login_timeout = 4;
2763         ha->login_timeout = nv->login_timeout;
2764         icb->login_timeout = nv->login_timeout;
2765
2766         /* Set minimum RATOV to 100 tenths of a second. */
2767         ha->r_a_tov = 100;
2768
2769         ha->loop_reset_delay = nv->reset_delay;
2770
2771         /* Link Down Timeout = 0:
2772          *
2773          *      When Port Down timer expires we will start returning
2774          *      I/O's to OS with "DID_NO_CONNECT".
2775          *
2776          * Link Down Timeout != 0:
2777          *
2778          *       The driver waits for the link to come up after link down
2779          *       before returning I/Os to OS with "DID_NO_CONNECT".
2780          */
2781         if (nv->link_down_timeout == 0) {
2782                 ha->loop_down_abort_time =
2783                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2784         } else {
2785                 ha->link_down_timeout =  nv->link_down_timeout;
2786                 ha->loop_down_abort_time =
2787                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2788         }
2789
2790         /*
2791          * Need enough time to try and get the port back.
2792          */
2793         ha->port_down_retry_count = nv->port_down_retry_count;
2794         if (qlport_down_retry)
2795                 ha->port_down_retry_count = qlport_down_retry;
2796         /* Set login_retry_count */
2797         ha->login_retry_count  = nv->retry_count;
2798         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2799             ha->port_down_retry_count > 3)
2800                 ha->login_retry_count = ha->port_down_retry_count;
2801         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2802                 ha->login_retry_count = ha->port_down_retry_count;
2803         if (ql2xloginretrycount)
2804                 ha->login_retry_count = ql2xloginretrycount;
2805
2806         icb->lun_enables = __constant_cpu_to_le16(0);
2807         icb->command_resource_count = 0;
2808         icb->immediate_notify_resource_count = 0;
2809         icb->timeout = __constant_cpu_to_le16(0);
2810
2811         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2812                 /* Enable RIO */
2813                 icb->firmware_options[0] &= ~BIT_3;
2814                 icb->add_firmware_options[0] &=
2815                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2816                 icb->add_firmware_options[0] |= BIT_2;
2817                 icb->response_accumulation_timer = 3;
2818                 icb->interrupt_delay_timer = 5;
2819
2820                 vha->flags.process_response_queue = 1;
2821         } else {
2822                 /* Enable ZIO. */
2823                 if (!vha->flags.init_done) {
2824                         ha->zio_mode = icb->add_firmware_options[0] &
2825                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2826                         ha->zio_timer = icb->interrupt_delay_timer ?
2827                             icb->interrupt_delay_timer: 2;
2828                 }
2829                 icb->add_firmware_options[0] &=
2830                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2831                 vha->flags.process_response_queue = 0;
2832                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2833                         ha->zio_mode = QLA_ZIO_MODE_6;
2834
2835                         ql_log(ql_log_info, vha, 0x0068,
2836                             "ZIO mode %d enabled; timer delay (%d us).\n",
2837                             ha->zio_mode, ha->zio_timer * 100);
2838
2839                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2840                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2841                         vha->flags.process_response_queue = 1;
2842                 }
2843         }
2844
2845         if (rval) {
2846                 ql_log(ql_log_warn, vha, 0x0069,
2847                     "NVRAM configuration failed.\n");
2848         }
2849         return (rval);
2850 }
2851
2852 static void
2853 qla2x00_rport_del(void *data)
2854 {
2855         fc_port_t *fcport = data;
2856         struct fc_rport *rport;
2857         scsi_qla_host_t *vha = fcport->vha;
2858         unsigned long flags;
2859
2860         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2861         rport = fcport->drport ? fcport->drport: fcport->rport;
2862         fcport->drport = NULL;
2863         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2864         if (rport) {
2865                 fc_remote_port_delete(rport);
2866                 /*
2867                  * Release the target mode FC NEXUS in qla_target.c code
2868                  * if target mod is enabled.
2869                  */
2870                 qlt_fc_port_deleted(vha, fcport);
2871         }
2872 }
2873
2874 /**
2875  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2876  * @ha: HA context
2877  * @flags: allocation flags
2878  *
2879  * Returns a pointer to the allocated fcport, or NULL, if none available.
2880  */
2881 fc_port_t *
2882 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2883 {
2884         fc_port_t *fcport;
2885
2886         fcport = kzalloc(sizeof(fc_port_t), flags);
2887         if (!fcport)
2888                 return NULL;
2889
2890         /* Setup fcport template structure. */
2891         fcport->vha = vha;
2892         fcport->port_type = FCT_UNKNOWN;
2893         fcport->loop_id = FC_NO_LOOP_ID;
2894         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2895         fcport->supported_classes = FC_COS_UNSPECIFIED;
2896
2897         return fcport;
2898 }
2899
2900 /*
2901  * qla2x00_configure_loop
2902  *      Updates Fibre Channel Device Database with what is actually on loop.
2903  *
2904  * Input:
2905  *      ha                = adapter block pointer.
2906  *
2907  * Returns:
2908  *      0 = success.
2909  *      1 = error.
2910  *      2 = database was full and device was not configured.
2911  */
2912 static int
2913 qla2x00_configure_loop(scsi_qla_host_t *vha)
2914 {
2915         int  rval;
2916         unsigned long flags, save_flags;
2917         struct qla_hw_data *ha = vha->hw;
2918         rval = QLA_SUCCESS;
2919
2920         /* Get Initiator ID */
2921         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2922                 rval = qla2x00_configure_hba(vha);
2923                 if (rval != QLA_SUCCESS) {
2924                         ql_dbg(ql_dbg_disc, vha, 0x2013,
2925                             "Unable to configure HBA.\n");
2926                         return (rval);
2927                 }
2928         }
2929
2930         save_flags = flags = vha->dpc_flags;
2931         ql_dbg(ql_dbg_disc, vha, 0x2014,
2932             "Configure loop -- dpc flags = 0x%lx.\n", flags);
2933
2934         /*
2935          * If we have both an RSCN and PORT UPDATE pending then handle them
2936          * both at the same time.
2937          */
2938         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2939         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2940
2941         qla2x00_get_data_rate(vha);
2942
2943         /* Determine what we need to do */
2944         if (ha->current_topology == ISP_CFG_FL &&
2945             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2946
2947                 set_bit(RSCN_UPDATE, &flags);
2948
2949         } else if (ha->current_topology == ISP_CFG_F &&
2950             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2951
2952                 set_bit(RSCN_UPDATE, &flags);
2953                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2954
2955         } else if (ha->current_topology == ISP_CFG_N) {
2956                 clear_bit(RSCN_UPDATE, &flags);
2957
2958         } else if (!vha->flags.online ||
2959             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2960
2961                 set_bit(RSCN_UPDATE, &flags);
2962                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2963         }
2964
2965         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2966                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2967                         ql_dbg(ql_dbg_disc, vha, 0x2015,
2968                             "Loop resync needed, failing.\n");
2969                         rval = QLA_FUNCTION_FAILED;
2970                 } else
2971                         rval = qla2x00_configure_local_loop(vha);
2972         }
2973
2974         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2975                 if (LOOP_TRANSITION(vha)) {
2976                         ql_dbg(ql_dbg_disc, vha, 0x201e,
2977                             "Needs RSCN update and loop transition.\n");
2978                         rval = QLA_FUNCTION_FAILED;
2979                 }
2980                 else
2981                         rval = qla2x00_configure_fabric(vha);
2982         }
2983
2984         if (rval == QLA_SUCCESS) {
2985                 if (atomic_read(&vha->loop_down_timer) ||
2986                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2987                         rval = QLA_FUNCTION_FAILED;
2988                 } else {
2989                         atomic_set(&vha->loop_state, LOOP_READY);
2990                         ql_dbg(ql_dbg_disc, vha, 0x2069,
2991                             "LOOP READY.\n");
2992                 }
2993         }
2994
2995         if (rval) {
2996                 ql_dbg(ql_dbg_disc, vha, 0x206a,
2997                     "%s *** FAILED ***.\n", __func__);
2998         } else {
2999                 ql_dbg(ql_dbg_disc, vha, 0x206b,
3000                     "%s: exiting normally.\n", __func__);
3001         }
3002
3003         /* Restore state if a resync event occurred during processing */
3004         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3005                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
3006                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3007                 if (test_bit(RSCN_UPDATE, &save_flags)) {
3008                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
3009                 }
3010         }
3011
3012         return (rval);
3013 }
3014
3015
3016
3017 /*
3018  * qla2x00_configure_local_loop
3019  *      Updates Fibre Channel Device Database with local loop devices.
3020  *
3021  * Input:
3022  *      ha = adapter block pointer.
3023  *
3024  * Returns:
3025  *      0 = success.
3026  */
3027 static int
3028 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
3029 {
3030         int             rval, rval2;
3031         int             found_devs;
3032         int             found;
3033         fc_port_t       *fcport, *new_fcport;
3034
3035         uint16_t        index;
3036         uint16_t        entries;
3037         char            *id_iter;
3038         uint16_t        loop_id;
3039         uint8_t         domain, area, al_pa;
3040         struct qla_hw_data *ha = vha->hw;
3041
3042         found_devs = 0;
3043         new_fcport = NULL;
3044         entries = MAX_FIBRE_DEVICES_LOOP;
3045
3046         /* Get list of logged in devices. */
3047         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
3048         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
3049             &entries);
3050         if (rval != QLA_SUCCESS)
3051                 goto cleanup_allocation;
3052
3053         ql_dbg(ql_dbg_disc, vha, 0x2017,
3054             "Entries in ID list (%d).\n", entries);
3055         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
3056             (uint8_t *)ha->gid_list,
3057             entries * sizeof(struct gid_list_info));
3058
3059         /* Allocate temporary fcport for any new fcports discovered. */
3060         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3061         if (new_fcport == NULL) {
3062                 ql_log(ql_log_warn, vha, 0x2018,
3063                     "Memory allocation failed for fcport.\n");
3064                 rval = QLA_MEMORY_ALLOC_FAILED;
3065                 goto cleanup_allocation;
3066         }
3067         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3068
3069         /*
3070          * Mark local devices that were present with FCF_DEVICE_LOST for now.
3071          */
3072         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3073                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
3074                     fcport->port_type != FCT_BROADCAST &&
3075                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3076
3077                         ql_dbg(ql_dbg_disc, vha, 0x2019,
3078                             "Marking port lost loop_id=0x%04x.\n",
3079                             fcport->loop_id);
3080
3081                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3082                 }
3083         }
3084
3085         /* Add devices to port list. */
3086         id_iter = (char *)ha->gid_list;
3087         for (index = 0; index < entries; index++) {
3088                 domain = ((struct gid_list_info *)id_iter)->domain;
3089                 area = ((struct gid_list_info *)id_iter)->area;
3090                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
3091                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
3092                         loop_id = (uint16_t)
3093                             ((struct gid_list_info *)id_iter)->loop_id_2100;
3094                 else
3095                         loop_id = le16_to_cpu(
3096                             ((struct gid_list_info *)id_iter)->loop_id);
3097                 id_iter += ha->gid_list_info_size;
3098
3099                 /* Bypass reserved domain fields. */
3100                 if ((domain & 0xf0) == 0xf0)
3101                         continue;
3102
3103                 /* Bypass if not same domain and area of adapter. */
3104                 if (area && domain &&
3105                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
3106                         continue;
3107
3108                 /* Bypass invalid local loop ID. */
3109                 if (loop_id > LAST_LOCAL_LOOP_ID)
3110                         continue;
3111
3112                 memset(new_fcport, 0, sizeof(fc_port_t));
3113
3114                 /* Fill in member data. */
3115                 new_fcport->d_id.b.domain = domain;
3116                 new_fcport->d_id.b.area = area;
3117                 new_fcport->d_id.b.al_pa = al_pa;
3118                 new_fcport->loop_id = loop_id;
3119                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
3120                 if (rval2 != QLA_SUCCESS) {
3121                         ql_dbg(ql_dbg_disc, vha, 0x201a,
3122                             "Failed to retrieve fcport information "
3123                             "-- get_port_database=%x, loop_id=0x%04x.\n",
3124                             rval2, new_fcport->loop_id);
3125                         ql_dbg(ql_dbg_disc, vha, 0x201b,
3126                             "Scheduling resync.\n");
3127                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3128                         continue;
3129                 }
3130
3131                 /* Check for matching device in port list. */
3132                 found = 0;
3133                 fcport = NULL;
3134                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3135                         if (memcmp(new_fcport->port_name, fcport->port_name,
3136                             WWN_SIZE))
3137                                 continue;
3138
3139                         fcport->flags &= ~FCF_FABRIC_DEVICE;
3140                         fcport->loop_id = new_fcport->loop_id;
3141                         fcport->port_type = new_fcport->port_type;
3142                         fcport->d_id.b24 = new_fcport->d_id.b24;
3143                         memcpy(fcport->node_name, new_fcport->node_name,
3144                             WWN_SIZE);
3145
3146                         found++;
3147                         break;
3148                 }
3149
3150                 if (!found) {
3151                         /* New device, add to fcports list. */
3152                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
3153
3154                         /* Allocate a new replacement fcport. */
3155                         fcport = new_fcport;
3156                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3157                         if (new_fcport == NULL) {
3158                                 ql_log(ql_log_warn, vha, 0x201c,
3159                                     "Failed to allocate memory for fcport.\n");
3160                                 rval = QLA_MEMORY_ALLOC_FAILED;
3161                                 goto cleanup_allocation;
3162                         }
3163                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3164                 }
3165
3166                 /* Base iIDMA settings on HBA port speed. */
3167                 fcport->fp_speed = ha->link_data_rate;
3168
3169                 qla2x00_update_fcport(vha, fcport);
3170
3171                 found_devs++;
3172         }
3173
3174 cleanup_allocation:
3175         kfree(new_fcport);
3176
3177         if (rval != QLA_SUCCESS) {
3178                 ql_dbg(ql_dbg_disc, vha, 0x201d,
3179                     "Configure local loop error exit: rval=%x.\n", rval);
3180         }
3181
3182         return (rval);
3183 }
3184
3185 static void
3186 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3187 {
3188         int rval;
3189         uint16_t mb[4];
3190         struct qla_hw_data *ha = vha->hw;
3191
3192         if (!IS_IIDMA_CAPABLE(ha))
3193                 return;
3194
3195         if (atomic_read(&fcport->state) != FCS_ONLINE)
3196                 return;
3197
3198         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3199             fcport->fp_speed > ha->link_data_rate)
3200                 return;
3201
3202         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3203             mb);
3204         if (rval != QLA_SUCCESS) {
3205                 ql_dbg(ql_dbg_disc, vha, 0x2004,
3206                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
3207                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
3208         } else {
3209                 ql_dbg(ql_dbg_disc, vha, 0x2005,
3210                     "iIDMA adjusted to %s GB/s on %8phN.\n",
3211                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3212                     fcport->port_name);
3213         }
3214 }
3215
3216 static void
3217 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3218 {
3219         struct fc_rport_identifiers rport_ids;
3220         struct fc_rport *rport;
3221         unsigned long flags;
3222
3223         qla2x00_rport_del(fcport);
3224
3225         rport_ids.node_name = wwn_to_u64(fcport->node_name);
3226         rport_ids.port_name = wwn_to_u64(fcport->port_name);
3227         rport_ids.port_id = fcport->d_id.b.domain << 16 |
3228             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3229         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3230         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3231         if (!rport) {
3232                 ql_log(ql_log_warn, vha, 0x2006,
3233                     "Unable to allocate fc remote port.\n");
3234                 return;
3235         }
3236         /*
3237          * Create target mode FC NEXUS in qla_target.c if target mode is
3238          * enabled..
3239          */
3240         qlt_fc_port_added(vha, fcport);
3241
3242         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3243         *((fc_port_t **)rport->dd_data) = fcport;
3244         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3245
3246         rport->supported_classes = fcport->supported_classes;
3247
3248         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3249         if (fcport->port_type == FCT_INITIATOR)
3250                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3251         if (fcport->port_type == FCT_TARGET)
3252                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3253         fc_remote_port_rolechg(rport, rport_ids.roles);
3254 }
3255
3256 /*
3257  * qla2x00_update_fcport
3258  *      Updates device on list.
3259  *
3260  * Input:
3261  *      ha = adapter block pointer.
3262  *      fcport = port structure pointer.
3263  *
3264  * Return:
3265  *      0  - Success
3266  *  BIT_0 - error
3267  *
3268  * Context:
3269  *      Kernel context.
3270  */
3271 void
3272 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3273 {
3274         fcport->vha = vha;
3275
3276         if (IS_QLAFX00(vha->hw)) {
3277                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3278                 qla2x00_reg_remote_port(vha, fcport);
3279                 return;
3280         }
3281         fcport->login_retry = 0;
3282         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3283
3284         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3285         qla2x00_iidma_fcport(vha, fcport);
3286         qla24xx_update_fcport_fcp_prio(vha, fcport);
3287         qla2x00_reg_remote_port(vha, fcport);
3288 }
3289
3290 /*
3291  * qla2x00_configure_fabric
3292  *      Setup SNS devices with loop ID's.
3293  *
3294  * Input:
3295  *      ha = adapter block pointer.
3296  *
3297  * Returns:
3298  *      0 = success.
3299  *      BIT_0 = error
3300  */
3301 static int
3302 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3303 {
3304         int     rval;
3305         fc_port_t       *fcport, *fcptemp;
3306         uint16_t        next_loopid;
3307         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3308         uint16_t        loop_id;
3309         LIST_HEAD(new_fcports);
3310         struct qla_hw_data *ha = vha->hw;
3311         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3312
3313         /* If FL port exists, then SNS is present */
3314         if (IS_FWI2_CAPABLE(ha))
3315                 loop_id = NPH_F_PORT;
3316         else
3317                 loop_id = SNS_FL_PORT;
3318         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3319         if (rval != QLA_SUCCESS) {
3320                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3321                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3322
3323                 vha->device_flags &= ~SWITCH_FOUND;
3324                 return (QLA_SUCCESS);
3325         }
3326         vha->device_flags |= SWITCH_FOUND;
3327
3328         do {
3329                 /* FDMI support. */
3330                 if (ql2xfdmienable &&
3331                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3332                         qla2x00_fdmi_register(vha);
3333
3334                 /* Ensure we are logged into the SNS. */
3335                 if (IS_FWI2_CAPABLE(ha))
3336                         loop_id = NPH_SNS;
3337                 else
3338                         loop_id = SIMPLE_NAME_SERVER;
3339                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3340                     0xfc, mb, BIT_1|BIT_0);
3341                 if (rval != QLA_SUCCESS) {
3342                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3343                         return rval;
3344                 }
3345                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3346                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3347                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3348                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3349                             mb[2], mb[6], mb[7]);
3350                         return (QLA_SUCCESS);
3351                 }
3352
3353                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3354                         if (qla2x00_rft_id(vha)) {
3355                                 /* EMPTY */
3356                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3357                                     "Register FC-4 TYPE failed.\n");
3358                         }
3359                         if (qla2x00_rff_id(vha)) {
3360                                 /* EMPTY */
3361                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3362                                     "Register FC-4 Features failed.\n");
3363                         }
3364                         if (qla2x00_rnn_id(vha)) {
3365                                 /* EMPTY */
3366                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3367                                     "Register Node Name failed.\n");
3368                         } else if (qla2x00_rsnn_nn(vha)) {
3369                                 /* EMPTY */
3370                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3371                                     "Register Symobilic Node Name failed.\n");
3372                         }
3373                 }
3374
3375 #define QLA_FCPORT_SCAN         1
3376 #define QLA_FCPORT_FOUND        2
3377
3378                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3379                         fcport->scan_state = QLA_FCPORT_SCAN;
3380                 }
3381
3382                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3383                 if (rval != QLA_SUCCESS)
3384                         break;
3385
3386                 /*
3387                  * Logout all previous fabric devices marked lost, except
3388                  * FCP2 devices.
3389                  */
3390                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3391                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3392                                 break;
3393
3394                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3395                                 continue;
3396
3397                         if (fcport->scan_state == QLA_FCPORT_SCAN &&
3398                             atomic_read(&fcport->state) == FCS_ONLINE) {
3399                                 qla2x00_mark_device_lost(vha, fcport,
3400                                     ql2xplogiabsentdevice, 0);
3401                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3402                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3403                                     fcport->port_type != FCT_INITIATOR &&
3404                                     fcport->port_type != FCT_BROADCAST) {
3405                                         ha->isp_ops->fabric_logout(vha,
3406                                             fcport->loop_id,
3407                                             fcport->d_id.b.domain,
3408                                             fcport->d_id.b.area,
3409                                             fcport->d_id.b.al_pa);
3410                                         qla2x00_clear_loop_id(fcport);
3411                                 }
3412                         }
3413                 }
3414
3415                 /* Starting free loop ID. */
3416                 next_loopid = ha->min_external_loopid;
3417
3418                 /*
3419                  * Scan through our port list and login entries that need to be
3420                  * logged in.
3421                  */
3422                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3423                         if (atomic_read(&vha->loop_down_timer) ||
3424                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3425                                 break;
3426
3427                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3428                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3429                                 continue;
3430
3431                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3432                                 fcport->loop_id = next_loopid;
3433                                 rval = qla2x00_find_new_loop_id(
3434                                     base_vha, fcport);
3435                                 if (rval != QLA_SUCCESS) {
3436                                         /* Ran out of IDs to use */
3437                                         break;
3438                                 }
3439                         }
3440                         /* Login and update database */
3441                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3442                 }
3443
3444                 /* Exit if out of loop IDs. */
3445                 if (rval != QLA_SUCCESS) {
3446                         break;
3447                 }
3448
3449                 /*
3450                  * Login and add the new devices to our port list.
3451                  */
3452                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3453                         if (atomic_read(&vha->loop_down_timer) ||
3454                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3455                                 break;
3456
3457                         /* Find a new loop ID to use. */
3458                         fcport->loop_id = next_loopid;
3459                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3460                         if (rval != QLA_SUCCESS) {
3461                                 /* Ran out of IDs to use */
3462                                 break;
3463                         }
3464
3465                         /* Login and update database */
3466                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3467
3468                         list_move_tail(&fcport->list, &vha->vp_fcports);
3469                 }
3470         } while (0);
3471
3472         /* Free all new device structures not processed. */
3473         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3474                 list_del(&fcport->list);
3475                 kfree(fcport);
3476         }
3477
3478         if (rval) {
3479                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3480                     "Configure fabric error exit rval=%d.\n", rval);
3481         }
3482
3483         return (rval);
3484 }
3485
3486 /*
3487  * qla2x00_find_all_fabric_devs
3488  *
3489  * Input:
3490  *      ha = adapter block pointer.
3491  *      dev = database device entry pointer.
3492  *
3493  * Returns:
3494  *      0 = success.
3495  *
3496  * Context:
3497  *      Kernel context.
3498  */
3499 static int
3500 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3501         struct list_head *new_fcports)
3502 {
3503         int             rval;
3504         uint16_t        loop_id;
3505         fc_port_t       *fcport, *new_fcport, *fcptemp;
3506         int             found;
3507
3508         sw_info_t       *swl;
3509         int             swl_idx;
3510         int             first_dev, last_dev;
3511         port_id_t       wrap = {}, nxt_d_id;
3512         struct qla_hw_data *ha = vha->hw;
3513         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3514
3515         rval = QLA_SUCCESS;
3516
3517         /* Try GID_PT to get device list, else GAN. */
3518         if (!ha->swl)
3519                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3520                     GFP_KERNEL);
3521         swl = ha->swl;
3522         if (!swl) {
3523                 /*EMPTY*/
3524                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3525                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3526         } else {
3527                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3528                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3529                         swl = NULL;
3530                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3531                         swl = NULL;
3532                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3533                         swl = NULL;
3534                 } else if (ql2xiidmaenable &&
3535                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3536                         qla2x00_gpsc(vha, swl);
3537                 }
3538
3539                 /* If other queries succeeded probe for FC-4 type */
3540                 if (swl)
3541                         qla2x00_gff_id(vha, swl);
3542         }
3543         swl_idx = 0;
3544
3545         /* Allocate temporary fcport for any new fcports discovered. */
3546         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3547         if (new_fcport == NULL) {
3548                 ql_log(ql_log_warn, vha, 0x205e,
3549                     "Failed to allocate memory for fcport.\n");
3550                 return (QLA_MEMORY_ALLOC_FAILED);
3551         }
3552         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3553         /* Set start port ID scan at adapter ID. */
3554         first_dev = 1;
3555         last_dev = 0;
3556
3557         /* Starting free loop ID. */
3558         loop_id = ha->min_external_loopid;
3559         for (; loop_id <= ha->max_loop_id; loop_id++) {
3560                 if (qla2x00_is_reserved_id(vha, loop_id))
3561                         continue;
3562
3563                 if (ha->current_topology == ISP_CFG_FL &&
3564                     (atomic_read(&vha->loop_down_timer) ||
3565                      LOOP_TRANSITION(vha))) {
3566                         atomic_set(&vha->loop_down_timer, 0);
3567                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3568                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3569                         break;
3570                 }
3571
3572                 if (swl != NULL) {
3573                         if (last_dev) {
3574                                 wrap.b24 = new_fcport->d_id.b24;
3575                         } else {
3576                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3577                                 memcpy(new_fcport->node_name,
3578                                     swl[swl_idx].node_name, WWN_SIZE);
3579                                 memcpy(new_fcport->port_name,
3580                                     swl[swl_idx].port_name, WWN_SIZE);
3581                                 memcpy(new_fcport->fabric_port_name,
3582                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3583                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3584                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3585
3586                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3587                                         last_dev = 1;
3588                                 }
3589                                 swl_idx++;
3590                         }
3591                 } else {
3592                         /* Send GA_NXT to the switch */
3593                         rval = qla2x00_ga_nxt(vha, new_fcport);
3594                         if (rval != QLA_SUCCESS) {
3595                                 ql_log(ql_log_warn, vha, 0x2064,
3596                                     "SNS scan failed -- assuming "
3597                                     "zero-entry result.\n");
3598                                 list_for_each_entry_safe(fcport, fcptemp,
3599                                     new_fcports, list) {
3600                                         list_del(&fcport->list);
3601                                         kfree(fcport);
3602                                 }
3603                                 rval = QLA_SUCCESS;
3604                                 break;
3605                         }
3606                 }
3607
3608                 /* If wrap on switch device list, exit. */
3609                 if (first_dev) {
3610                         wrap.b24 = new_fcport->d_id.b24;
3611                         first_dev = 0;
3612                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3613                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3614                             "Device wrap (%02x%02x%02x).\n",
3615                             new_fcport->d_id.b.domain,
3616                             new_fcport->d_id.b.area,
3617                             new_fcport->d_id.b.al_pa);
3618                         break;
3619                 }
3620
3621                 /* Bypass if same physical adapter. */
3622                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3623                         continue;
3624
3625                 /* Bypass virtual ports of the same host. */
3626                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3627                         continue;
3628
3629                 /* Bypass if same domain and area of adapter. */
3630                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3631                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3632                         ISP_CFG_FL)
3633                             continue;
3634
3635                 /* Bypass reserved domain fields. */
3636                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3637                         continue;
3638
3639                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3640                 if (ql2xgffidenable &&
3641                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3642                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3643                         continue;
3644
3645                 /* Locate matching device in database. */
3646                 found = 0;
3647                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3648                         if (memcmp(new_fcport->port_name, fcport->port_name,
3649                             WWN_SIZE))
3650                                 continue;
3651
3652                         fcport->scan_state = QLA_FCPORT_FOUND;
3653
3654                         found++;
3655
3656                         /* Update port state. */
3657                         memcpy(fcport->fabric_port_name,
3658                             new_fcport->fabric_port_name, WWN_SIZE);
3659                         fcport->fp_speed = new_fcport->fp_speed;
3660
3661                         /*
3662                          * If address the same and state FCS_ONLINE, nothing
3663                          * changed.
3664                          */
3665                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3666                             atomic_read(&fcport->state) == FCS_ONLINE) {
3667                                 break;
3668                         }
3669
3670                         /*
3671                          * If device was not a fabric device before.
3672                          */
3673                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3674                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3675                                 qla2x00_clear_loop_id(fcport);
3676                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3677                                     FCF_LOGIN_NEEDED);
3678                                 break;
3679                         }
3680
3681                         /*
3682                          * Port ID changed or device was marked to be updated;
3683                          * Log it out if still logged in and mark it for
3684                          * relogin later.
3685                          */
3686                         fcport->d_id.b24 = new_fcport->d_id.b24;
3687                         fcport->flags |= FCF_LOGIN_NEEDED;
3688                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3689                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3690                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3691                             fcport->port_type != FCT_INITIATOR &&
3692                             fcport->port_type != FCT_BROADCAST) {
3693                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3694                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3695                                     fcport->d_id.b.al_pa);
3696                                 qla2x00_clear_loop_id(fcport);
3697                         }
3698
3699                         break;
3700                 }
3701
3702                 if (found)
3703                         continue;
3704                 /* If device was not in our fcports list, then add it. */
3705                 list_add_tail(&new_fcport->list, new_fcports);
3706
3707                 /* Allocate a new replacement fcport. */
3708                 nxt_d_id.b24 = new_fcport->d_id.b24;
3709                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3710                 if (new_fcport == NULL) {
3711                         ql_log(ql_log_warn, vha, 0x2066,
3712                             "Memory allocation failed for fcport.\n");
3713                         return (QLA_MEMORY_ALLOC_FAILED);
3714                 }
3715                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3716                 new_fcport->d_id.b24 = nxt_d_id.b24;
3717         }
3718
3719         kfree(new_fcport);
3720
3721         return (rval);
3722 }
3723
3724 /*
3725  * qla2x00_find_new_loop_id
3726  *      Scan through our port list and find a new usable loop ID.
3727  *
3728  * Input:
3729  *      ha:     adapter state pointer.
3730  *      dev:    port structure pointer.
3731  *
3732  * Returns:
3733  *      qla2x00 local function return status code.
3734  *
3735  * Context:
3736  *      Kernel context.
3737  */
3738 int
3739 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3740 {
3741         int     rval;
3742         struct qla_hw_data *ha = vha->hw;
3743         unsigned long flags = 0;
3744
3745         rval = QLA_SUCCESS;
3746
3747         spin_lock_irqsave(&ha->vport_slock, flags);
3748
3749         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3750             LOOPID_MAP_SIZE);
3751         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3752             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3753                 dev->loop_id = FC_NO_LOOP_ID;
3754                 rval = QLA_FUNCTION_FAILED;
3755         } else
3756                 set_bit(dev->loop_id, ha->loop_id_map);
3757
3758         spin_unlock_irqrestore(&ha->vport_slock, flags);
3759
3760         if (rval == QLA_SUCCESS)
3761                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3762                     "Assigning new loopid=%x, portid=%x.\n",
3763                     dev->loop_id, dev->d_id.b24);
3764         else
3765                 ql_log(ql_log_warn, dev->vha, 0x2087,
3766                     "No loop_id's available, portid=%x.\n",
3767                     dev->d_id.b24);
3768
3769         return (rval);
3770 }
3771
3772 /*
3773  * qla2x00_fabric_dev_login
3774  *      Login fabric target device and update FC port database.
3775  *
3776  * Input:
3777  *      ha:             adapter state pointer.
3778  *      fcport:         port structure list pointer.
3779  *      next_loopid:    contains value of a new loop ID that can be used
3780  *                      by the next login attempt.
3781  *
3782  * Returns:
3783  *      qla2x00 local function return status code.
3784  *
3785  * Context:
3786  *      Kernel context.
3787  */
3788 static int
3789 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3790     uint16_t *next_loopid)
3791 {
3792         int     rval;
3793         int     retry;
3794         uint8_t opts;
3795         struct qla_hw_data *ha = vha->hw;
3796
3797         rval = QLA_SUCCESS;
3798         retry = 0;
3799
3800         if (IS_ALOGIO_CAPABLE(ha)) {
3801                 if (fcport->flags & FCF_ASYNC_SENT)
3802                         return rval;
3803                 fcport->flags |= FCF_ASYNC_SENT;
3804                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3805                 if (!rval)
3806                         return rval;
3807         }
3808
3809         fcport->flags &= ~FCF_ASYNC_SENT;
3810         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3811         if (rval == QLA_SUCCESS) {
3812                 /* Send an ADISC to FCP2 devices.*/
3813                 opts = 0;
3814                 if (fcport->flags & FCF_FCP2_DEVICE)
3815                         opts |= BIT_1;
3816                 rval = qla2x00_get_port_database(vha, fcport, opts);
3817                 if (rval != QLA_SUCCESS) {
3818                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3819                             fcport->d_id.b.domain, fcport->d_id.b.area,
3820                             fcport->d_id.b.al_pa);
3821                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3822                 } else {
3823                         qla2x00_update_fcport(vha, fcport);
3824                 }
3825         } else {
3826                 /* Retry Login. */
3827                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3828         }
3829
3830         return (rval);
3831 }
3832
3833 /*
3834  * qla2x00_fabric_login
3835  *      Issue fabric login command.
3836  *
3837  * Input:
3838  *      ha = adapter block pointer.
3839  *      device = pointer to FC device type structure.
3840  *
3841  * Returns:
3842  *      0 - Login successfully
3843  *      1 - Login failed
3844  *      2 - Initiator device
3845  *      3 - Fatal error
3846  */
3847 int
3848 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3849     uint16_t *next_loopid)
3850 {
3851         int     rval;
3852         int     retry;
3853         uint16_t tmp_loopid;
3854         uint16_t mb[MAILBOX_REGISTER_COUNT];
3855         struct qla_hw_data *ha = vha->hw;
3856
3857         retry = 0;
3858         tmp_loopid = 0;
3859
3860         for (;;) {
3861                 ql_dbg(ql_dbg_disc, vha, 0x2000,
3862                     "Trying Fabric Login w/loop id 0x%04x for port "
3863                     "%02x%02x%02x.\n",
3864                     fcport->loop_id, fcport->d_id.b.domain,
3865                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
3866
3867                 /* Login fcport on switch. */
3868                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
3869                     fcport->d_id.b.domain, fcport->d_id.b.area,
3870                     fcport->d_id.b.al_pa, mb, BIT_0);
3871                 if (rval != QLA_SUCCESS) {
3872                         return rval;
3873                 }
3874                 if (mb[0] == MBS_PORT_ID_USED) {
3875                         /*
3876                          * Device has another loop ID.  The firmware team
3877                          * recommends the driver perform an implicit login with
3878                          * the specified ID again. The ID we just used is save
3879                          * here so we return with an ID that can be tried by
3880                          * the next login.
3881                          */
3882                         retry++;
3883                         tmp_loopid = fcport->loop_id;
3884                         fcport->loop_id = mb[1];
3885
3886                         ql_dbg(ql_dbg_disc, vha, 0x2001,
3887                             "Fabric Login: port in use - next loop "
3888                             "id=0x%04x, port id= %02x%02x%02x.\n",
3889                             fcport->loop_id, fcport->d_id.b.domain,
3890                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
3891
3892                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3893                         /*
3894                          * Login succeeded.
3895                          */
3896                         if (retry) {
3897                                 /* A retry occurred before. */
3898                                 *next_loopid = tmp_loopid;
3899                         } else {
3900                                 /*
3901                                  * No retry occurred before. Just increment the
3902                                  * ID value for next login.
3903                                  */
3904                                 *next_loopid = (fcport->loop_id + 1);
3905                         }
3906
3907                         if (mb[1] & BIT_0) {
3908                                 fcport->port_type = FCT_INITIATOR;
3909                         } else {
3910                                 fcport->port_type = FCT_TARGET;
3911                                 if (mb[1] & BIT_1) {
3912                                         fcport->flags |= FCF_FCP2_DEVICE;
3913                                 }
3914                         }
3915
3916                         if (mb[10] & BIT_0)
3917                                 fcport->supported_classes |= FC_COS_CLASS2;
3918                         if (mb[10] & BIT_1)
3919                                 fcport->supported_classes |= FC_COS_CLASS3;
3920
3921                         if (IS_FWI2_CAPABLE(ha)) {
3922                                 if (mb[10] & BIT_7)
3923                                         fcport->flags |=
3924                                             FCF_CONF_COMP_SUPPORTED;
3925                         }
3926
3927                         rval = QLA_SUCCESS;
3928                         break;
3929                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3930                         /*
3931                          * Loop ID already used, try next loop ID.
3932                          */
3933                         fcport->loop_id++;
3934                         rval = qla2x00_find_new_loop_id(vha, fcport);
3935                         if (rval != QLA_SUCCESS) {
3936                                 /* Ran out of loop IDs to use */
3937                                 break;
3938                         }
3939                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3940                         /*
3941                          * Firmware possibly timed out during login. If NO
3942                          * retries are left to do then the device is declared
3943                          * dead.
3944                          */
3945                         *next_loopid = fcport->loop_id;
3946                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3947                             fcport->d_id.b.domain, fcport->d_id.b.area,
3948                             fcport->d_id.b.al_pa);
3949                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3950
3951                         rval = 1;
3952                         break;
3953                 } else {
3954                         /*
3955                          * unrecoverable / not handled error
3956                          */
3957                         ql_dbg(ql_dbg_disc, vha, 0x2002,
3958                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3959                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3960                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
3961                             fcport->loop_id, jiffies);
3962
3963                         *next_loopid = fcport->loop_id;
3964                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3965                             fcport->d_id.b.domain, fcport->d_id.b.area,
3966                             fcport->d_id.b.al_pa);
3967                         qla2x00_clear_loop_id(fcport);
3968                         fcport->login_retry = 0;
3969
3970                         rval = 3;
3971                         break;
3972                 }
3973         }
3974
3975         return (rval);
3976 }
3977
3978 /*
3979  * qla2x00_local_device_login
3980  *      Issue local device login command.
3981  *
3982  * Input:
3983  *      ha = adapter block pointer.
3984  *      loop_id = loop id of device to login to.
3985  *
3986  * Returns (Where's the #define!!!!):
3987  *      0 - Login successfully
3988  *      1 - Login failed
3989  *      3 - Fatal error
3990  */
3991 int
3992 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3993 {
3994         int             rval;
3995         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3996
3997         memset(mb, 0, sizeof(mb));
3998         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3999         if (rval == QLA_SUCCESS) {
4000                 /* Interrogate mailbox registers for any errors */
4001                 if (mb[0] == MBS_COMMAND_ERROR)
4002                         rval = 1;
4003                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
4004                         /* device not in PCB table */
4005                         rval = 3;
4006         }
4007
4008         return (rval);
4009 }
4010
4011 /*
4012  *  qla2x00_loop_resync
4013  *      Resync with fibre channel devices.
4014  *
4015  * Input:
4016  *      ha = adapter block pointer.
4017  *
4018  * Returns:
4019  *      0 = success
4020  */
4021 int
4022 qla2x00_loop_resync(scsi_qla_host_t *vha)
4023 {
4024         int rval = QLA_SUCCESS;
4025         uint32_t wait_time;
4026         struct req_que *req;
4027         struct rsp_que *rsp;
4028
4029         if (vha->hw->flags.cpu_affinity_enabled)
4030                 req = vha->hw->req_q_map[0];
4031         else
4032                 req = vha->req;
4033         rsp = req->rsp;
4034
4035         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4036         if (vha->flags.online) {
4037                 if (!(rval = qla2x00_fw_ready(vha))) {
4038                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4039                         wait_time = 256;
4040                         do {
4041                                 if (!IS_QLAFX00(vha->hw)) {
4042                                         /*
4043                                          * Issue a marker after FW becomes
4044                                          * ready.
4045                                          */
4046                                         qla2x00_marker(vha, req, rsp, 0, 0,
4047                                                 MK_SYNC_ALL);
4048                                         vha->marker_needed = 0;
4049                                 }
4050
4051                                 /* Remap devices on Loop. */
4052                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4053
4054                                 if (IS_QLAFX00(vha->hw))
4055                                         qlafx00_configure_devices(vha);
4056                                 else
4057                                         qla2x00_configure_loop(vha);
4058
4059                                 wait_time--;
4060                         } while (!atomic_read(&vha->loop_down_timer) &&
4061                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4062                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4063                                 &vha->dpc_flags)));
4064                 }
4065         }
4066
4067         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4068                 return (QLA_FUNCTION_FAILED);
4069
4070         if (rval)
4071                 ql_dbg(ql_dbg_disc, vha, 0x206c,
4072                     "%s *** FAILED ***.\n", __func__);
4073
4074         return (rval);
4075 }
4076
4077 /*
4078 * qla2x00_perform_loop_resync
4079 * Description: This function will set the appropriate flags and call
4080 *              qla2x00_loop_resync. If successful loop will be resynced
4081 * Arguments : scsi_qla_host_t pointer
4082 * returm    : Success or Failure
4083 */
4084
4085 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
4086 {
4087         int32_t rval = 0;
4088
4089         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
4090                 /*Configure the flags so that resync happens properly*/
4091                 atomic_set(&ha->loop_down_timer, 0);
4092                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
4093                         atomic_set(&ha->loop_state, LOOP_UP);
4094                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4095                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
4096                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4097
4098                         rval = qla2x00_loop_resync(ha);
4099                 } else
4100                         atomic_set(&ha->loop_state, LOOP_DEAD);
4101
4102                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
4103         }
4104
4105         return rval;
4106 }
4107
4108 void
4109 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
4110 {
4111         fc_port_t *fcport;
4112         struct scsi_qla_host *vha;
4113         struct qla_hw_data *ha = base_vha->hw;
4114         unsigned long flags;
4115
4116         spin_lock_irqsave(&ha->vport_slock, flags);
4117         /* Go with deferred removal of rport references. */
4118         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
4119                 atomic_inc(&vha->vref_count);
4120                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4121                         if (fcport->drport &&
4122                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
4123                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4124                                 qla2x00_rport_del(fcport);
4125                                 spin_lock_irqsave(&ha->vport_slock, flags);
4126                         }
4127                 }
4128                 atomic_dec(&vha->vref_count);
4129         }
4130         spin_unlock_irqrestore(&ha->vport_slock, flags);
4131 }
4132
4133 /* Assumes idc_lock always held on entry */
4134 void
4135 qla83xx_reset_ownership(scsi_qla_host_t *vha)
4136 {
4137         struct qla_hw_data *ha = vha->hw;
4138         uint32_t drv_presence, drv_presence_mask;
4139         uint32_t dev_part_info1, dev_part_info2, class_type;
4140         uint32_t class_type_mask = 0x3;
4141         uint16_t fcoe_other_function = 0xffff, i;
4142
4143         if (IS_QLA8044(ha)) {
4144                 drv_presence = qla8044_rd_direct(vha,
4145                     QLA8044_CRB_DRV_ACTIVE_INDEX);
4146                 dev_part_info1 = qla8044_rd_direct(vha,
4147                     QLA8044_CRB_DEV_PART_INFO_INDEX);
4148                 dev_part_info2 = qla8044_rd_direct(vha,
4149                     QLA8044_CRB_DEV_PART_INFO2);
4150         } else {
4151                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4152                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4153                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4154         }
4155         for (i = 0; i < 8; i++) {
4156                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4157                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4158                     (i != ha->portnum)) {
4159                         fcoe_other_function = i;
4160                         break;
4161                 }
4162         }
4163         if (fcoe_other_function == 0xffff) {
4164                 for (i = 0; i < 8; i++) {
4165                         class_type = ((dev_part_info2 >> (i * 4)) &
4166                             class_type_mask);
4167                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4168                             ((i + 8) != ha->portnum)) {
4169                                 fcoe_other_function = i + 8;
4170                                 break;
4171                         }
4172                 }
4173         }
4174         /*
4175          * Prepare drv-presence mask based on fcoe functions present.
4176          * However consider only valid physical fcoe function numbers (0-15).
4177          */
4178         drv_presence_mask = ~((1 << (ha->portnum)) |
4179                         ((fcoe_other_function == 0xffff) ?
4180                          0 : (1 << (fcoe_other_function))));
4181
4182         /* We are the reset owner iff:
4183          *    - No other protocol drivers present.
4184          *    - This is the lowest among fcoe functions. */
4185         if (!(drv_presence & drv_presence_mask) &&
4186                         (ha->portnum < fcoe_other_function)) {
4187                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4188                     "This host is Reset owner.\n");
4189                 ha->flags.nic_core_reset_owner = 1;
4190         }
4191 }
4192
4193 static int
4194 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4195 {
4196         int rval = QLA_SUCCESS;
4197         struct qla_hw_data *ha = vha->hw;
4198         uint32_t drv_ack;
4199
4200         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4201         if (rval == QLA_SUCCESS) {
4202                 drv_ack |= (1 << ha->portnum);
4203                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4204         }
4205
4206         return rval;
4207 }
4208
4209 static int
4210 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4211 {
4212         int rval = QLA_SUCCESS;
4213         struct qla_hw_data *ha = vha->hw;
4214         uint32_t drv_ack;
4215
4216         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4217         if (rval == QLA_SUCCESS) {
4218                 drv_ack &= ~(1 << ha->portnum);
4219                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4220         }
4221
4222         return rval;
4223 }
4224
4225 static const char *
4226 qla83xx_dev_state_to_string(uint32_t dev_state)
4227 {
4228         switch (dev_state) {
4229         case QLA8XXX_DEV_COLD:
4230                 return "COLD/RE-INIT";
4231         case QLA8XXX_DEV_INITIALIZING:
4232                 return "INITIALIZING";
4233         case QLA8XXX_DEV_READY:
4234                 return "READY";
4235         case QLA8XXX_DEV_NEED_RESET:
4236                 return "NEED RESET";
4237         case QLA8XXX_DEV_NEED_QUIESCENT:
4238                 return "NEED QUIESCENT";
4239         case QLA8XXX_DEV_FAILED:
4240                 return "FAILED";
4241         case QLA8XXX_DEV_QUIESCENT:
4242                 return "QUIESCENT";
4243         default:
4244                 return "Unknown";
4245         }
4246 }
4247
4248 /* Assumes idc-lock always held on entry */
4249 void
4250 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4251 {
4252         struct qla_hw_data *ha = vha->hw;
4253         uint32_t idc_audit_reg = 0, duration_secs = 0;
4254
4255         switch (audit_type) {
4256         case IDC_AUDIT_TIMESTAMP:
4257                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4258                 idc_audit_reg = (ha->portnum) |
4259                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4260                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4261                 break;
4262
4263         case IDC_AUDIT_COMPLETION:
4264                 duration_secs = ((jiffies_to_msecs(jiffies) -
4265                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4266                 idc_audit_reg = (ha->portnum) |
4267                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4268                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4269                 break;
4270
4271         default:
4272                 ql_log(ql_log_warn, vha, 0xb078,
4273                     "Invalid audit type specified.\n");
4274                 break;
4275         }
4276 }
4277
4278 /* Assumes idc_lock always held on entry */
4279 static int
4280 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4281 {
4282         struct qla_hw_data *ha = vha->hw;
4283         uint32_t  idc_control, dev_state;
4284
4285         __qla83xx_get_idc_control(vha, &idc_control);
4286         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4287                 ql_log(ql_log_info, vha, 0xb080,
4288                     "NIC Core reset has been disabled. idc-control=0x%x\n",
4289                     idc_control);
4290                 return QLA_FUNCTION_FAILED;
4291         }
4292
4293         /* Set NEED-RESET iff in READY state and we are the reset-owner */
4294         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4295         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4296                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4297                     QLA8XXX_DEV_NEED_RESET);
4298                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4299                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4300         } else {
4301                 const char *state = qla83xx_dev_state_to_string(dev_state);
4302                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4303
4304                 /* SV: XXX: Is timeout required here? */
4305                 /* Wait for IDC state change READY -> NEED_RESET */
4306                 while (dev_state == QLA8XXX_DEV_READY) {
4307                         qla83xx_idc_unlock(vha, 0);
4308                         msleep(200);
4309                         qla83xx_idc_lock(vha, 0);
4310                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4311                 }
4312         }
4313
4314         /* Send IDC ack by writing to drv-ack register */
4315         __qla83xx_set_drv_ack(vha);
4316
4317         return QLA_SUCCESS;
4318 }
4319
4320 int
4321 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4322 {
4323         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4324 }
4325
4326 int
4327 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4328 {
4329         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4330 }
4331
4332 static int
4333 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4334 {
4335         uint32_t drv_presence = 0;
4336         struct qla_hw_data *ha = vha->hw;
4337
4338         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4339         if (drv_presence & (1 << ha->portnum))
4340                 return QLA_SUCCESS;
4341         else
4342                 return QLA_TEST_FAILED;
4343 }
4344
4345 int
4346 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4347 {
4348         int rval = QLA_SUCCESS;
4349         struct qla_hw_data *ha = vha->hw;
4350
4351         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4352             "Entered  %s().\n", __func__);
4353
4354         if (vha->device_flags & DFLG_DEV_FAILED) {
4355                 ql_log(ql_log_warn, vha, 0xb059,
4356                     "Device in unrecoverable FAILED state.\n");
4357                 return QLA_FUNCTION_FAILED;
4358         }
4359
4360         qla83xx_idc_lock(vha, 0);
4361
4362         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4363                 ql_log(ql_log_warn, vha, 0xb05a,
4364                     "Function=0x%x has been removed from IDC participation.\n",
4365                     ha->portnum);
4366                 rval = QLA_FUNCTION_FAILED;
4367                 goto exit;
4368         }
4369
4370         qla83xx_reset_ownership(vha);
4371
4372         rval = qla83xx_initiating_reset(vha);
4373
4374         /*
4375          * Perform reset if we are the reset-owner,
4376          * else wait till IDC state changes to READY/FAILED.
4377          */
4378         if (rval == QLA_SUCCESS) {
4379                 rval = qla83xx_idc_state_handler(vha);
4380
4381                 if (rval == QLA_SUCCESS)
4382                         ha->flags.nic_core_hung = 0;
4383                 __qla83xx_clear_drv_ack(vha);
4384         }
4385
4386 exit:
4387         qla83xx_idc_unlock(vha, 0);
4388
4389         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4390
4391         return rval;
4392 }
4393
4394 int
4395 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4396 {
4397         struct qla_hw_data *ha = vha->hw;
4398         int rval = QLA_FUNCTION_FAILED;
4399
4400         if (!IS_MCTP_CAPABLE(ha)) {
4401                 /* This message can be removed from the final version */
4402                 ql_log(ql_log_info, vha, 0x506d,
4403                     "This board is not MCTP capable\n");
4404                 return rval;
4405         }
4406
4407         if (!ha->mctp_dump) {
4408                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4409                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4410
4411                 if (!ha->mctp_dump) {
4412                         ql_log(ql_log_warn, vha, 0x506e,
4413                             "Failed to allocate memory for mctp dump\n");
4414                         return rval;
4415                 }
4416         }
4417
4418 #define MCTP_DUMP_STR_ADDR      0x00000000
4419         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4420             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4421         if (rval != QLA_SUCCESS) {
4422                 ql_log(ql_log_warn, vha, 0x506f,
4423                     "Failed to capture mctp dump\n");
4424         } else {
4425                 ql_log(ql_log_info, vha, 0x5070,
4426                     "Mctp dump capture for host (%ld/%p).\n",
4427                     vha->host_no, ha->mctp_dump);
4428                 ha->mctp_dumped = 1;
4429         }
4430
4431         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4432                 ha->flags.nic_core_reset_hdlr_active = 1;
4433                 rval = qla83xx_restart_nic_firmware(vha);
4434                 if (rval)
4435                         /* NIC Core reset failed. */
4436                         ql_log(ql_log_warn, vha, 0x5071,
4437                             "Failed to restart nic firmware\n");
4438                 else
4439                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4440                             "Restarted NIC firmware successfully.\n");
4441                 ha->flags.nic_core_reset_hdlr_active = 0;
4442         }
4443
4444         return rval;
4445
4446 }
4447
4448 /*
4449 * qla2x00_quiesce_io
4450 * Description: This function will block the new I/Os
4451 *              Its not aborting any I/Os as context
4452 *              is not destroyed during quiescence
4453 * Arguments: scsi_qla_host_t
4454 * return   : void
4455 */
4456 void
4457 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4458 {
4459         struct qla_hw_data *ha = vha->hw;
4460         struct scsi_qla_host *vp;
4461
4462         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4463             "Quiescing I/O - ha=%p.\n", ha);
4464
4465         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4466         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4467                 atomic_set(&vha->loop_state, LOOP_DOWN);
4468                 qla2x00_mark_all_devices_lost(vha, 0);
4469                 list_for_each_entry(vp, &ha->vp_list, list)
4470                         qla2x00_mark_all_devices_lost(vp, 0);
4471         } else {
4472                 if (!atomic_read(&vha->loop_down_timer))
4473                         atomic_set(&vha->loop_down_timer,
4474                                         LOOP_DOWN_TIME);
4475         }
4476         /* Wait for pending cmds to complete */
4477         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4478 }
4479
4480 void
4481 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4482 {
4483         struct qla_hw_data *ha = vha->hw;
4484         struct scsi_qla_host *vp;
4485         unsigned long flags;
4486         fc_port_t *fcport;
4487
4488         /* For ISP82XX, driver waits for completion of the commands.
4489          * online flag should be set.
4490          */
4491         if (!(IS_P3P_TYPE(ha)))
4492                 vha->flags.online = 0;
4493         ha->flags.chip_reset_done = 0;
4494         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4495         vha->qla_stats.total_isp_aborts++;
4496
4497         ql_log(ql_log_info, vha, 0x00af,
4498             "Performing ISP error recovery - ha=%p.\n", ha);
4499
4500         /* For ISP82XX, reset_chip is just disabling interrupts.
4501          * Driver waits for the completion of the commands.
4502          * the interrupts need to be enabled.
4503          */
4504         if (!(IS_P3P_TYPE(ha)))
4505                 ha->isp_ops->reset_chip(vha);
4506
4507         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4508         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4509                 atomic_set(&vha->loop_state, LOOP_DOWN);
4510                 qla2x00_mark_all_devices_lost(vha, 0);
4511
4512                 spin_lock_irqsave(&ha->vport_slock, flags);
4513                 list_for_each_entry(vp, &ha->vp_list, list) {
4514                         atomic_inc(&vp->vref_count);
4515                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4516
4517                         qla2x00_mark_all_devices_lost(vp, 0);
4518
4519                         spin_lock_irqsave(&ha->vport_slock, flags);
4520                         atomic_dec(&vp->vref_count);
4521                 }
4522                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4523         } else {
4524                 if (!atomic_read(&vha->loop_down_timer))
4525                         atomic_set(&vha->loop_down_timer,
4526                             LOOP_DOWN_TIME);
4527         }
4528
4529         /* Clear all async request states across all VPs. */
4530         list_for_each_entry(fcport, &vha->vp_fcports, list)
4531                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4532         spin_lock_irqsave(&ha->vport_slock, flags);
4533         list_for_each_entry(vp, &ha->vp_list, list) {
4534                 atomic_inc(&vp->vref_count);
4535                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4536
4537                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4538                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4539
4540                 spin_lock_irqsave(&ha->vport_slock, flags);
4541                 atomic_dec(&vp->vref_count);
4542         }
4543         spin_unlock_irqrestore(&ha->vport_slock, flags);
4544
4545         if (!ha->flags.eeh_busy) {
4546                 /* Make sure for ISP 82XX IO DMA is complete */
4547                 if (IS_P3P_TYPE(ha)) {
4548                         qla82xx_chip_reset_cleanup(vha);
4549                         ql_log(ql_log_info, vha, 0x00b4,
4550                             "Done chip reset cleanup.\n");
4551
4552                         /* Done waiting for pending commands.
4553                          * Reset the online flag.
4554                          */
4555                         vha->flags.online = 0;
4556                 }
4557
4558                 /* Requeue all commands in outstanding command list. */
4559                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4560         }
4561 }
4562
4563 /*
4564 *  qla2x00_abort_isp
4565 *      Resets ISP and aborts all outstanding commands.
4566 *
4567 * Input:
4568 *      ha           = adapter block pointer.
4569 *
4570 * Returns:
4571 *      0 = success
4572 */
4573 int
4574 qla2x00_abort_isp(scsi_qla_host_t *vha)
4575 {
4576         int rval;
4577         uint8_t        status = 0;
4578         struct qla_hw_data *ha = vha->hw;
4579         struct scsi_qla_host *vp;
4580         struct req_que *req = ha->req_q_map[0];
4581         unsigned long flags;
4582
4583         if (vha->flags.online) {
4584                 qla2x00_abort_isp_cleanup(vha);
4585
4586                 if (IS_QLA8031(ha)) {
4587                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4588                             "Clearing fcoe driver presence.\n");
4589                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4590                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4591                                     "Error while clearing DRV-Presence.\n");
4592                 }
4593
4594                 if (unlikely(pci_channel_offline(ha->pdev) &&
4595                     ha->flags.pci_channel_io_perm_failure)) {
4596                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4597                         status = 0;
4598                         return status;
4599                 }
4600
4601                 ha->isp_ops->get_flash_version(vha, req->ring);
4602
4603                 ha->isp_ops->nvram_config(vha);
4604
4605                 if (!qla2x00_restart_isp(vha)) {
4606                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4607
4608                         if (!atomic_read(&vha->loop_down_timer)) {
4609                                 /*
4610                                  * Issue marker command only when we are going
4611                                  * to start the I/O .
4612                                  */
4613                                 vha->marker_needed = 1;
4614                         }
4615
4616                         vha->flags.online = 1;
4617
4618                         ha->isp_ops->enable_intrs(ha);
4619
4620                         ha->isp_abort_cnt = 0;
4621                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4622
4623                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4624                                 qla2x00_get_fw_version(vha);
4625                         if (ha->fce) {
4626                                 ha->flags.fce_enabled = 1;
4627                                 memset(ha->fce, 0,
4628                                     fce_calc_size(ha->fce_bufs));
4629                                 rval = qla2x00_enable_fce_trace(vha,
4630                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4631                                     &ha->fce_bufs);
4632                                 if (rval) {
4633                                         ql_log(ql_log_warn, vha, 0x8033,
4634                                             "Unable to reinitialize FCE "
4635                                             "(%d).\n", rval);
4636                                         ha->flags.fce_enabled = 0;
4637                                 }
4638                         }
4639
4640                         if (ha->eft) {
4641                                 memset(ha->eft, 0, EFT_SIZE);
4642                                 rval = qla2x00_enable_eft_trace(vha,
4643                                     ha->eft_dma, EFT_NUM_BUFFERS);
4644                                 if (rval) {
4645                                         ql_log(ql_log_warn, vha, 0x8034,
4646                                             "Unable to reinitialize EFT "
4647                                             "(%d).\n", rval);
4648                                 }
4649                         }
4650                 } else {        /* failed the ISP abort */
4651                         vha->flags.online = 1;
4652                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4653                                 if (ha->isp_abort_cnt == 0) {
4654                                         ql_log(ql_log_fatal, vha, 0x8035,
4655                                             "ISP error recover failed - "
4656                                             "board disabled.\n");
4657                                         /*
4658                                          * The next call disables the board
4659                                          * completely.
4660                                          */
4661                                         ha->isp_ops->reset_adapter(vha);
4662                                         vha->flags.online = 0;
4663                                         clear_bit(ISP_ABORT_RETRY,
4664                                             &vha->dpc_flags);
4665                                         status = 0;
4666                                 } else { /* schedule another ISP abort */
4667                                         ha->isp_abort_cnt--;
4668                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4669                                             "ISP abort - retry remaining %d.\n",
4670                                             ha->isp_abort_cnt);
4671                                         status = 1;
4672                                 }
4673                         } else {
4674                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4675                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4676                                     "ISP error recovery - retrying (%d) "
4677                                     "more times.\n", ha->isp_abort_cnt);
4678                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4679                                 status = 1;
4680                         }
4681                 }
4682
4683         }
4684
4685         if (!status) {
4686                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4687
4688                 spin_lock_irqsave(&ha->vport_slock, flags);
4689                 list_for_each_entry(vp, &ha->vp_list, list) {
4690                         if (vp->vp_idx) {
4691                                 atomic_inc(&vp->vref_count);
4692                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4693
4694                                 qla2x00_vp_abort_isp(vp);
4695
4696                                 spin_lock_irqsave(&ha->vport_slock, flags);
4697                                 atomic_dec(&vp->vref_count);
4698                         }
4699                 }
4700                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4701
4702                 if (IS_QLA8031(ha)) {
4703                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4704                             "Setting back fcoe driver presence.\n");
4705                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4706                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4707                                     "Error while setting DRV-Presence.\n");
4708                 }
4709         } else {
4710                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4711                        __func__);
4712         }
4713
4714         return(status);
4715 }
4716
4717 /*
4718 *  qla2x00_restart_isp
4719 *      restarts the ISP after a reset
4720 *
4721 * Input:
4722 *      ha = adapter block pointer.
4723 *
4724 * Returns:
4725 *      0 = success
4726 */
4727 static int
4728 qla2x00_restart_isp(scsi_qla_host_t *vha)
4729 {
4730         int status = 0;
4731         uint32_t wait_time;
4732         struct qla_hw_data *ha = vha->hw;
4733         struct req_que *req = ha->req_q_map[0];
4734         struct rsp_que *rsp = ha->rsp_q_map[0];
4735         unsigned long flags;
4736
4737         /* If firmware needs to be loaded */
4738         if (qla2x00_isp_firmware(vha)) {
4739                 vha->flags.online = 0;
4740                 status = ha->isp_ops->chip_diag(vha);
4741                 if (!status)
4742                         status = qla2x00_setup_chip(vha);
4743         }
4744
4745         if (!status && !(status = qla2x00_init_rings(vha))) {
4746                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4747                 ha->flags.chip_reset_done = 1;
4748                 /* Initialize the queues in use */
4749                 qla25xx_init_queues(ha);
4750
4751                 status = qla2x00_fw_ready(vha);
4752                 if (!status) {
4753                         ql_dbg(ql_dbg_taskm, vha, 0x8031,
4754                             "Start configure loop status = %d.\n", status);
4755
4756                         /* Issue a marker after FW becomes ready. */
4757                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4758
4759                         vha->flags.online = 1;
4760
4761                         /*
4762                          * Process any ATIO queue entries that came in
4763                          * while we weren't online.
4764                          */
4765                         spin_lock_irqsave(&ha->hardware_lock, flags);
4766                         if (qla_tgt_mode_enabled(vha))
4767                                 qlt_24xx_process_atio_queue(vha);
4768                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4769
4770                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4771                         wait_time = 256;
4772                         do {
4773                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4774                                 qla2x00_configure_loop(vha);
4775                                 wait_time--;
4776                         } while (!atomic_read(&vha->loop_down_timer) &&
4777                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4778                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4779                                 &vha->dpc_flags)));
4780                 }
4781
4782                 /* if no cable then assume it's good */
4783                 if ((vha->device_flags & DFLG_NO_CABLE))
4784                         status = 0;
4785
4786                 ql_dbg(ql_dbg_taskm, vha, 0x8032,
4787                     "Configure loop done, status = 0x%x.\n", status);
4788         }
4789         return (status);
4790 }
4791
4792 static int
4793 qla25xx_init_queues(struct qla_hw_data *ha)
4794 {
4795         struct rsp_que *rsp = NULL;
4796         struct req_que *req = NULL;
4797         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4798         int ret = -1;
4799         int i;
4800
4801         for (i = 1; i < ha->max_rsp_queues; i++) {
4802                 rsp = ha->rsp_q_map[i];
4803                 if (rsp) {
4804                         rsp->options &= ~BIT_0;
4805                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4806                         if (ret != QLA_SUCCESS)
4807                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4808                                     "%s Rsp que: %d init failed.\n",
4809                                     __func__, rsp->id);
4810                         else
4811                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4812                                     "%s Rsp que: %d inited.\n",
4813                                     __func__, rsp->id);
4814                 }
4815         }
4816         for (i = 1; i < ha->max_req_queues; i++) {
4817                 req = ha->req_q_map[i];
4818                 if (req) {
4819                 /* Clear outstanding commands array. */
4820                         req->options &= ~BIT_0;
4821                         ret = qla25xx_init_req_que(base_vha, req);
4822                         if (ret != QLA_SUCCESS)
4823                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4824                                     "%s Req que: %d init failed.\n",
4825                                     __func__, req->id);
4826                         else
4827                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4828                                     "%s Req que: %d inited.\n",
4829                                     __func__, req->id);
4830                 }
4831         }
4832         return ret;
4833 }
4834
4835 /*
4836 * qla2x00_reset_adapter
4837 *      Reset adapter.
4838 *
4839 * Input:
4840 *      ha = adapter block pointer.
4841 */
4842 void
4843 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4844 {
4845         unsigned long flags = 0;
4846         struct qla_hw_data *ha = vha->hw;
4847         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4848
4849         vha->flags.online = 0;
4850         ha->isp_ops->disable_intrs(ha);
4851
4852         spin_lock_irqsave(&ha->hardware_lock, flags);
4853         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4854         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4855         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4856         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4857         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4858 }
4859
4860 void
4861 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4862 {
4863         unsigned long flags = 0;
4864         struct qla_hw_data *ha = vha->hw;
4865         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4866
4867         if (IS_P3P_TYPE(ha))
4868                 return;
4869
4870         vha->flags.online = 0;
4871         ha->isp_ops->disable_intrs(ha);
4872
4873         spin_lock_irqsave(&ha->hardware_lock, flags);
4874         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4875         RD_REG_DWORD(&reg->hccr);
4876         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4877         RD_REG_DWORD(&reg->hccr);
4878         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4879
4880         if (IS_NOPOLLING_TYPE(ha))
4881                 ha->isp_ops->enable_intrs(ha);
4882 }
4883
4884 /* On sparc systems, obtain port and node WWN from firmware
4885  * properties.
4886  */
4887 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4888         struct nvram_24xx *nv)
4889 {
4890 #ifdef CONFIG_SPARC
4891         struct qla_hw_data *ha = vha->hw;
4892         struct pci_dev *pdev = ha->pdev;
4893         struct device_node *dp = pci_device_to_OF_node(pdev);
4894         const u8 *val;
4895         int len;
4896
4897         val = of_get_property(dp, "port-wwn", &len);
4898         if (val && len >= WWN_SIZE)
4899                 memcpy(nv->port_name, val, WWN_SIZE);
4900
4901         val = of_get_property(dp, "node-wwn", &len);
4902         if (val && len >= WWN_SIZE)
4903                 memcpy(nv->node_name, val, WWN_SIZE);
4904 #endif
4905 }
4906
4907 int
4908 qla24xx_nvram_config(scsi_qla_host_t *vha)
4909 {
4910         int   rval;
4911         struct init_cb_24xx *icb;
4912         struct nvram_24xx *nv;
4913         uint32_t *dptr;
4914         uint8_t  *dptr1, *dptr2;
4915         uint32_t chksum;
4916         uint16_t cnt;
4917         struct qla_hw_data *ha = vha->hw;
4918
4919         rval = QLA_SUCCESS;
4920         icb = (struct init_cb_24xx *)ha->init_cb;
4921         nv = ha->nvram;
4922
4923         /* Determine NVRAM starting address. */
4924         if (ha->port_no == 0) {
4925                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4926                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4927         } else {
4928                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4929                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4930         }
4931
4932         ha->nvram_size = sizeof(struct nvram_24xx);
4933         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4934
4935         /* Get VPD data into cache */
4936         ha->vpd = ha->nvram + VPD_OFFSET;
4937         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4938             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4939
4940         /* Get NVRAM data into cache and calculate checksum. */
4941         dptr = (uint32_t *)nv;
4942         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4943             ha->nvram_size);
4944         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4945                 chksum += le32_to_cpu(*dptr++);
4946
4947         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4948             "Contents of NVRAM\n");
4949         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4950             (uint8_t *)nv, ha->nvram_size);
4951
4952         /* Bad NVRAM data, set defaults parameters. */
4953         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4954             || nv->id[3] != ' ' ||
4955             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4956                 /* Reset NVRAM data. */
4957                 ql_log(ql_log_warn, vha, 0x006b,
4958                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
4959                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4960                 ql_log(ql_log_warn, vha, 0x006c,
4961                     "Falling back to functioning (yet invalid -- WWPN) "
4962                     "defaults.\n");
4963
4964                 /*
4965                  * Set default initialization control block.
4966                  */
4967                 memset(nv, 0, ha->nvram_size);
4968                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4969                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4970                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4971                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4972                 nv->exchange_count = __constant_cpu_to_le16(0);
4973                 nv->hard_address = __constant_cpu_to_le16(124);
4974                 nv->port_name[0] = 0x21;
4975                 nv->port_name[1] = 0x00 + ha->port_no + 1;
4976                 nv->port_name[2] = 0x00;
4977                 nv->port_name[3] = 0xe0;
4978                 nv->port_name[4] = 0x8b;
4979                 nv->port_name[5] = 0x1c;
4980                 nv->port_name[6] = 0x55;
4981                 nv->port_name[7] = 0x86;
4982                 nv->node_name[0] = 0x20;
4983                 nv->node_name[1] = 0x00;
4984                 nv->node_name[2] = 0x00;
4985                 nv->node_name[3] = 0xe0;
4986                 nv->node_name[4] = 0x8b;
4987                 nv->node_name[5] = 0x1c;
4988                 nv->node_name[6] = 0x55;
4989                 nv->node_name[7] = 0x86;
4990                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4991                 nv->login_retry_count = __constant_cpu_to_le16(8);
4992                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4993                 nv->login_timeout = __constant_cpu_to_le16(0);
4994                 nv->firmware_options_1 =
4995                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4996                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4997                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4998                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4999                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5000                 nv->efi_parameters = __constant_cpu_to_le32(0);
5001                 nv->reset_delay = 5;
5002                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5003                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5004                 nv->link_down_timeout = __constant_cpu_to_le16(30);
5005
5006                 rval = 1;
5007         }
5008
5009         if (!qla_ini_mode_enabled(vha)) {
5010                 /* Don't enable full login after initial LIP */
5011                 nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
5012                 /* Don't enable LIP full login for initiator */
5013                 nv->host_p &= __constant_cpu_to_le32(~BIT_10);
5014         }
5015
5016         qlt_24xx_config_nvram_stage1(vha, nv);
5017
5018         /* Reset Initialization control block */
5019         memset(icb, 0, ha->init_cb_size);
5020
5021         /* Copy 1st segment. */
5022         dptr1 = (uint8_t *)icb;
5023         dptr2 = (uint8_t *)&nv->version;
5024         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5025         while (cnt--)
5026                 *dptr1++ = *dptr2++;
5027
5028         icb->login_retry_count = nv->login_retry_count;
5029         icb->link_down_on_nos = nv->link_down_on_nos;
5030
5031         /* Copy 2nd segment. */
5032         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5033         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5034         cnt = (uint8_t *)&icb->reserved_3 -
5035             (uint8_t *)&icb->interrupt_delay_timer;
5036         while (cnt--)
5037                 *dptr1++ = *dptr2++;
5038
5039         /*
5040          * Setup driver NVRAM options.
5041          */
5042         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5043             "QLA2462");
5044
5045         qlt_24xx_config_nvram_stage2(vha, icb);
5046
5047         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5048                 /* Use alternate WWN? */
5049                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5050                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5051         }
5052
5053         /* Prepare nodename */
5054         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5055                 /*
5056                  * Firmware will apply the following mask if the nodename was
5057                  * not provided.
5058                  */
5059                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5060                 icb->node_name[0] &= 0xF0;
5061         }
5062
5063         /* Set host adapter parameters. */
5064         ha->flags.disable_risc_code_load = 0;
5065         ha->flags.enable_lip_reset = 0;
5066         ha->flags.enable_lip_full_login =
5067             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5068         ha->flags.enable_target_reset =
5069             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5070         ha->flags.enable_led_scheme = 0;
5071         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5072
5073         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5074             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5075
5076         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
5077             sizeof(ha->fw_seriallink_options24));
5078
5079         /* save HBA serial number */
5080         ha->serial0 = icb->port_name[5];
5081         ha->serial1 = icb->port_name[6];
5082         ha->serial2 = icb->port_name[7];
5083         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5084         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5085
5086         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5087
5088         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5089
5090         /* Set minimum login_timeout to 4 seconds. */
5091         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5092                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5093         if (le16_to_cpu(nv->login_timeout) < 4)
5094                 nv->login_timeout = __constant_cpu_to_le16(4);
5095         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5096         icb->login_timeout = nv->login_timeout;
5097
5098         /* Set minimum RATOV to 100 tenths of a second. */
5099         ha->r_a_tov = 100;
5100
5101         ha->loop_reset_delay = nv->reset_delay;
5102
5103         /* Link Down Timeout = 0:
5104          *
5105          *      When Port Down timer expires we will start returning
5106          *      I/O's to OS with "DID_NO_CONNECT".
5107          *
5108          * Link Down Timeout != 0:
5109          *
5110          *       The driver waits for the link to come up after link down
5111          *       before returning I/Os to OS with "DID_NO_CONNECT".
5112          */
5113         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5114                 ha->loop_down_abort_time =
5115                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5116         } else {
5117                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5118                 ha->loop_down_abort_time =
5119                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5120         }
5121
5122         /* Need enough time to try and get the port back. */
5123         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5124         if (qlport_down_retry)
5125                 ha->port_down_retry_count = qlport_down_retry;
5126
5127         /* Set login_retry_count */
5128         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5129         if (ha->port_down_retry_count ==
5130             le16_to_cpu(nv->port_down_retry_count) &&
5131             ha->port_down_retry_count > 3)
5132                 ha->login_retry_count = ha->port_down_retry_count;
5133         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5134                 ha->login_retry_count = ha->port_down_retry_count;
5135         if (ql2xloginretrycount)
5136                 ha->login_retry_count = ql2xloginretrycount;
5137
5138         /* Enable ZIO. */
5139         if (!vha->flags.init_done) {
5140                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5141                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5142                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5143                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5144         }
5145         icb->firmware_options_2 &= __constant_cpu_to_le32(
5146             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5147         vha->flags.process_response_queue = 0;
5148         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5149                 ha->zio_mode = QLA_ZIO_MODE_6;
5150
5151                 ql_log(ql_log_info, vha, 0x006f,
5152                     "ZIO mode %d enabled; timer delay (%d us).\n",
5153                     ha->zio_mode, ha->zio_timer * 100);
5154
5155                 icb->firmware_options_2 |= cpu_to_le32(
5156                     (uint32_t)ha->zio_mode);
5157                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5158                 vha->flags.process_response_queue = 1;
5159         }
5160
5161         if (rval) {
5162                 ql_log(ql_log_warn, vha, 0x0070,
5163                     "NVRAM configuration failed.\n");
5164         }
5165         return (rval);
5166 }
5167
5168 static int
5169 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5170     uint32_t faddr)
5171 {
5172         int     rval = QLA_SUCCESS;
5173         int     segments, fragment;
5174         uint32_t *dcode, dlen;
5175         uint32_t risc_addr;
5176         uint32_t risc_size;
5177         uint32_t i;
5178         struct qla_hw_data *ha = vha->hw;
5179         struct req_que *req = ha->req_q_map[0];
5180
5181         ql_dbg(ql_dbg_init, vha, 0x008b,
5182             "FW: Loading firmware from flash (%x).\n", faddr);
5183
5184         rval = QLA_SUCCESS;
5185
5186         segments = FA_RISC_CODE_SEGMENTS;
5187         dcode = (uint32_t *)req->ring;
5188         *srisc_addr = 0;
5189
5190         /* Validate firmware image by checking version. */
5191         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5192         for (i = 0; i < 4; i++)
5193                 dcode[i] = be32_to_cpu(dcode[i]);
5194         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5195             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5196             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5197                 dcode[3] == 0)) {
5198                 ql_log(ql_log_fatal, vha, 0x008c,
5199                     "Unable to verify the integrity of flash firmware "
5200                     "image.\n");
5201                 ql_log(ql_log_fatal, vha, 0x008d,
5202                     "Firmware data: %08x %08x %08x %08x.\n",
5203                     dcode[0], dcode[1], dcode[2], dcode[3]);
5204
5205                 return QLA_FUNCTION_FAILED;
5206         }
5207
5208         while (segments && rval == QLA_SUCCESS) {
5209                 /* Read segment's load information. */
5210                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5211
5212                 risc_addr = be32_to_cpu(dcode[2]);
5213                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5214                 risc_size = be32_to_cpu(dcode[3]);
5215
5216                 fragment = 0;
5217                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5218                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5219                         if (dlen > risc_size)
5220                                 dlen = risc_size;
5221
5222                         ql_dbg(ql_dbg_init, vha, 0x008e,
5223                             "Loading risc segment@ risc addr %x "
5224                             "number of dwords 0x%x offset 0x%x.\n",
5225                             risc_addr, dlen, faddr);
5226
5227                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5228                         for (i = 0; i < dlen; i++)
5229                                 dcode[i] = swab32(dcode[i]);
5230
5231                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5232                             dlen);
5233                         if (rval) {
5234                                 ql_log(ql_log_fatal, vha, 0x008f,
5235                                     "Failed to load segment %d of firmware.\n",
5236                                     fragment);
5237                                 break;
5238                         }
5239
5240                         faddr += dlen;
5241                         risc_addr += dlen;
5242                         risc_size -= dlen;
5243                         fragment++;
5244                 }
5245
5246                 /* Next segment. */
5247                 segments--;
5248         }
5249
5250         if (!IS_QLA27XX(ha))
5251                 return rval;
5252
5253         if (ha->fw_dump_template)
5254                 vfree(ha->fw_dump_template);
5255         ha->fw_dump_template = NULL;
5256         ha->fw_dump_template_len = 0;
5257
5258         ql_dbg(ql_dbg_init, vha, 0x0161,
5259             "Loading fwdump template from %x\n", faddr);
5260         qla24xx_read_flash_data(vha, dcode, faddr, 7);
5261         risc_size = be32_to_cpu(dcode[2]);
5262         ql_dbg(ql_dbg_init, vha, 0x0162,
5263             "-> array size %x dwords\n", risc_size);
5264         if (risc_size == 0 || risc_size == ~0)
5265                 goto default_template;
5266
5267         dlen = (risc_size - 8) * sizeof(*dcode);
5268         ql_dbg(ql_dbg_init, vha, 0x0163,
5269             "-> template allocating %x bytes...\n", dlen);
5270         ha->fw_dump_template = vmalloc(dlen);
5271         if (!ha->fw_dump_template) {
5272                 ql_log(ql_log_warn, vha, 0x0164,
5273                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5274                 goto default_template;
5275         }
5276
5277         faddr += 7;
5278         risc_size -= 8;
5279         dcode = ha->fw_dump_template;
5280         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
5281         for (i = 0; i < risc_size; i++)
5282                 dcode[i] = le32_to_cpu(dcode[i]);
5283
5284         if (!qla27xx_fwdt_template_valid(dcode)) {
5285                 ql_log(ql_log_warn, vha, 0x0165,
5286                     "Failed fwdump template validate\n");
5287                 goto default_template;
5288         }
5289
5290         dlen = qla27xx_fwdt_template_size(dcode);
5291         ql_dbg(ql_dbg_init, vha, 0x0166,
5292             "-> template size %x bytes\n", dlen);
5293         if (dlen > risc_size * sizeof(*dcode)) {
5294                 ql_log(ql_log_warn, vha, 0x0167,
5295                     "Failed fwdump template exceeds array by %x bytes\n",
5296                     (uint32_t)(dlen - risc_size * sizeof(*dcode)));
5297                 goto default_template;
5298         }
5299         ha->fw_dump_template_len = dlen;
5300         return rval;
5301
5302 default_template:
5303         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
5304         if (ha->fw_dump_template)
5305                 vfree(ha->fw_dump_template);
5306         ha->fw_dump_template = NULL;
5307         ha->fw_dump_template_len = 0;
5308
5309         dlen = qla27xx_fwdt_template_default_size();
5310         ql_dbg(ql_dbg_init, vha, 0x0169,
5311             "-> template allocating %x bytes...\n", dlen);
5312         ha->fw_dump_template = vmalloc(dlen);
5313         if (!ha->fw_dump_template) {
5314                 ql_log(ql_log_warn, vha, 0x016a,
5315                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5316                 goto failed_template;
5317         }
5318
5319         dcode = ha->fw_dump_template;
5320         risc_size = dlen / sizeof(*dcode);
5321         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
5322         for (i = 0; i < risc_size; i++)
5323                 dcode[i] = be32_to_cpu(dcode[i]);
5324
5325         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5326                 ql_log(ql_log_warn, vha, 0x016b,
5327                     "Failed fwdump template validate\n");
5328                 goto failed_template;
5329         }
5330
5331         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5332         ql_dbg(ql_dbg_init, vha, 0x016c,
5333             "-> template size %x bytes\n", dlen);
5334         ha->fw_dump_template_len = dlen;
5335         return rval;
5336
5337 failed_template:
5338         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
5339         if (ha->fw_dump_template)
5340                 vfree(ha->fw_dump_template);
5341         ha->fw_dump_template = NULL;
5342         ha->fw_dump_template_len = 0;
5343         return rval;
5344 }
5345
5346 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5347
5348 int
5349 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5350 {
5351         int     rval;
5352         int     i, fragment;
5353         uint16_t *wcode, *fwcode;
5354         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5355         struct fw_blob *blob;
5356         struct qla_hw_data *ha = vha->hw;
5357         struct req_que *req = ha->req_q_map[0];
5358
5359         /* Load firmware blob. */
5360         blob = qla2x00_request_firmware(vha);
5361         if (!blob) {
5362                 ql_log(ql_log_info, vha, 0x0083,
5363                     "Fimware image unavailable.\n");
5364                 ql_log(ql_log_info, vha, 0x0084,
5365                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5366                 return QLA_FUNCTION_FAILED;
5367         }
5368
5369         rval = QLA_SUCCESS;
5370
5371         wcode = (uint16_t *)req->ring;
5372         *srisc_addr = 0;
5373         fwcode = (uint16_t *)blob->fw->data;
5374         fwclen = 0;
5375
5376         /* Validate firmware image by checking version. */
5377         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5378                 ql_log(ql_log_fatal, vha, 0x0085,
5379                     "Unable to verify integrity of firmware image (%Zd).\n",
5380                     blob->fw->size);
5381                 goto fail_fw_integrity;
5382         }
5383         for (i = 0; i < 4; i++)
5384                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5385         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5386             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5387                 wcode[2] == 0 && wcode[3] == 0)) {
5388                 ql_log(ql_log_fatal, vha, 0x0086,
5389                     "Unable to verify integrity of firmware image.\n");
5390                 ql_log(ql_log_fatal, vha, 0x0087,
5391                     "Firmware data: %04x %04x %04x %04x.\n",
5392                     wcode[0], wcode[1], wcode[2], wcode[3]);
5393                 goto fail_fw_integrity;
5394         }
5395
5396         seg = blob->segs;
5397         while (*seg && rval == QLA_SUCCESS) {
5398                 risc_addr = *seg;
5399                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5400                 risc_size = be16_to_cpu(fwcode[3]);
5401
5402                 /* Validate firmware image size. */
5403                 fwclen += risc_size * sizeof(uint16_t);
5404                 if (blob->fw->size < fwclen) {
5405                         ql_log(ql_log_fatal, vha, 0x0088,
5406                             "Unable to verify integrity of firmware image "
5407                             "(%Zd).\n", blob->fw->size);
5408                         goto fail_fw_integrity;
5409                 }
5410
5411                 fragment = 0;
5412                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5413                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5414                         if (wlen > risc_size)
5415                                 wlen = risc_size;
5416                         ql_dbg(ql_dbg_init, vha, 0x0089,
5417                             "Loading risc segment@ risc addr %x number of "
5418                             "words 0x%x.\n", risc_addr, wlen);
5419
5420                         for (i = 0; i < wlen; i++)
5421                                 wcode[i] = swab16(fwcode[i]);
5422
5423                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5424                             wlen);
5425                         if (rval) {
5426                                 ql_log(ql_log_fatal, vha, 0x008a,
5427                                     "Failed to load segment %d of firmware.\n",
5428                                     fragment);
5429                                 break;
5430                         }
5431
5432                         fwcode += wlen;
5433                         risc_addr += wlen;
5434                         risc_size -= wlen;
5435                         fragment++;
5436                 }
5437
5438                 /* Next segment. */
5439                 seg++;
5440         }
5441         return rval;
5442
5443 fail_fw_integrity:
5444         return QLA_FUNCTION_FAILED;
5445 }
5446
5447 static int
5448 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5449 {
5450         int     rval;
5451         int     segments, fragment;
5452         uint32_t *dcode, dlen;
5453         uint32_t risc_addr;
5454         uint32_t risc_size;
5455         uint32_t i;
5456         struct fw_blob *blob;
5457         const uint32_t *fwcode;
5458         uint32_t fwclen;
5459         struct qla_hw_data *ha = vha->hw;
5460         struct req_que *req = ha->req_q_map[0];
5461
5462         /* Load firmware blob. */
5463         blob = qla2x00_request_firmware(vha);
5464         if (!blob) {
5465                 ql_log(ql_log_warn, vha, 0x0090,
5466                     "Fimware image unavailable.\n");
5467                 ql_log(ql_log_warn, vha, 0x0091,
5468                     "Firmware images can be retrieved from: "
5469                     QLA_FW_URL ".\n");
5470
5471                 return QLA_FUNCTION_FAILED;
5472         }
5473
5474         ql_dbg(ql_dbg_init, vha, 0x0092,
5475             "FW: Loading via request-firmware.\n");
5476
5477         rval = QLA_SUCCESS;
5478
5479         segments = FA_RISC_CODE_SEGMENTS;
5480         dcode = (uint32_t *)req->ring;
5481         *srisc_addr = 0;
5482         fwcode = (uint32_t *)blob->fw->data;
5483         fwclen = 0;
5484
5485         /* Validate firmware image by checking version. */
5486         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5487                 ql_log(ql_log_fatal, vha, 0x0093,
5488                     "Unable to verify integrity of firmware image (%Zd).\n",
5489                     blob->fw->size);
5490                 return QLA_FUNCTION_FAILED;
5491         }
5492         for (i = 0; i < 4; i++)
5493                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5494         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5495             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5496             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5497                 dcode[3] == 0)) {
5498                 ql_log(ql_log_fatal, vha, 0x0094,
5499                     "Unable to verify integrity of firmware image (%Zd).\n",
5500                     blob->fw->size);
5501                 ql_log(ql_log_fatal, vha, 0x0095,
5502                     "Firmware data: %08x %08x %08x %08x.\n",
5503                     dcode[0], dcode[1], dcode[2], dcode[3]);
5504                 return QLA_FUNCTION_FAILED;
5505         }
5506
5507         while (segments && rval == QLA_SUCCESS) {
5508                 risc_addr = be32_to_cpu(fwcode[2]);
5509                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5510                 risc_size = be32_to_cpu(fwcode[3]);
5511
5512                 /* Validate firmware image size. */
5513                 fwclen += risc_size * sizeof(uint32_t);
5514                 if (blob->fw->size < fwclen) {
5515                         ql_log(ql_log_fatal, vha, 0x0096,
5516                             "Unable to verify integrity of firmware image "
5517                             "(%Zd).\n", blob->fw->size);
5518                         return QLA_FUNCTION_FAILED;
5519                 }
5520
5521                 fragment = 0;
5522                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5523                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5524                         if (dlen > risc_size)
5525                                 dlen = risc_size;
5526
5527                         ql_dbg(ql_dbg_init, vha, 0x0097,
5528                             "Loading risc segment@ risc addr %x "
5529                             "number of dwords 0x%x.\n", risc_addr, dlen);
5530
5531                         for (i = 0; i < dlen; i++)
5532                                 dcode[i] = swab32(fwcode[i]);
5533
5534                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5535                             dlen);
5536                         if (rval) {
5537                                 ql_log(ql_log_fatal, vha, 0x0098,
5538                                     "Failed to load segment %d of firmware.\n",
5539                                     fragment);
5540                                 break;
5541                         }
5542
5543                         fwcode += dlen;
5544                         risc_addr += dlen;
5545                         risc_size -= dlen;
5546                         fragment++;
5547                 }
5548
5549                 /* Next segment. */
5550                 segments--;
5551         }
5552
5553         if (!IS_QLA27XX(ha))
5554                 return rval;
5555
5556         if (ha->fw_dump_template)
5557                 vfree(ha->fw_dump_template);
5558         ha->fw_dump_template = NULL;
5559         ha->fw_dump_template_len = 0;
5560
5561         ql_dbg(ql_dbg_init, vha, 0x171,
5562             "Loading fwdump template from %x\n",
5563             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
5564         risc_size = be32_to_cpu(fwcode[2]);
5565         ql_dbg(ql_dbg_init, vha, 0x172,
5566             "-> array size %x dwords\n", risc_size);
5567         if (risc_size == 0 || risc_size == ~0)
5568                 goto default_template;
5569
5570         dlen = (risc_size - 8) * sizeof(*fwcode);
5571         ql_dbg(ql_dbg_init, vha, 0x0173,
5572             "-> template allocating %x bytes...\n", dlen);
5573         ha->fw_dump_template = vmalloc(dlen);
5574         if (!ha->fw_dump_template) {
5575                 ql_log(ql_log_warn, vha, 0x0174,
5576                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5577                 goto default_template;
5578         }
5579
5580         fwcode += 7;
5581         risc_size -= 8;
5582         dcode = ha->fw_dump_template;
5583         for (i = 0; i < risc_size; i++)
5584                 dcode[i] = le32_to_cpu(fwcode[i]);
5585
5586         if (!qla27xx_fwdt_template_valid(dcode)) {
5587                 ql_log(ql_log_warn, vha, 0x0175,
5588                     "Failed fwdump template validate\n");
5589                 goto default_template;
5590         }
5591
5592         dlen = qla27xx_fwdt_template_size(dcode);
5593         ql_dbg(ql_dbg_init, vha, 0x0176,
5594             "-> template size %x bytes\n", dlen);
5595         if (dlen > risc_size * sizeof(*fwcode)) {
5596                 ql_log(ql_log_warn, vha, 0x0177,
5597                     "Failed fwdump template exceeds array by %x bytes\n",
5598                     (uint32_t)(dlen - risc_size * sizeof(*fwcode)));
5599                 goto default_template;
5600         }
5601         ha->fw_dump_template_len = dlen;
5602         return rval;
5603
5604 default_template:
5605         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
5606         if (ha->fw_dump_template)
5607                 vfree(ha->fw_dump_template);
5608         ha->fw_dump_template = NULL;
5609         ha->fw_dump_template_len = 0;
5610
5611         dlen = qla27xx_fwdt_template_default_size();
5612         ql_dbg(ql_dbg_init, vha, 0x0179,
5613             "-> template allocating %x bytes...\n", dlen);
5614         ha->fw_dump_template = vmalloc(dlen);
5615         if (!ha->fw_dump_template) {
5616                 ql_log(ql_log_warn, vha, 0x017a,
5617                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5618                 goto failed_template;
5619         }
5620
5621         dcode = ha->fw_dump_template;
5622         risc_size = dlen / sizeof(*fwcode);
5623         fwcode = qla27xx_fwdt_template_default();
5624         for (i = 0; i < risc_size; i++)
5625                 dcode[i] = be32_to_cpu(fwcode[i]);
5626
5627         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5628                 ql_log(ql_log_warn, vha, 0x017b,
5629                     "Failed fwdump template validate\n");
5630                 goto failed_template;
5631         }
5632
5633         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5634         ql_dbg(ql_dbg_init, vha, 0x017c,
5635             "-> template size %x bytes\n", dlen);
5636         ha->fw_dump_template_len = dlen;
5637         return rval;
5638
5639 failed_template:
5640         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
5641         if (ha->fw_dump_template)
5642                 vfree(ha->fw_dump_template);
5643         ha->fw_dump_template = NULL;
5644         ha->fw_dump_template_len = 0;
5645         return rval;
5646 }
5647
5648 int
5649 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5650 {
5651         int rval;
5652
5653         if (ql2xfwloadbin == 1)
5654                 return qla81xx_load_risc(vha, srisc_addr);
5655
5656         /*
5657          * FW Load priority:
5658          * 1) Firmware via request-firmware interface (.bin file).
5659          * 2) Firmware residing in flash.
5660          */
5661         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5662         if (rval == QLA_SUCCESS)
5663                 return rval;
5664
5665         return qla24xx_load_risc_flash(vha, srisc_addr,
5666             vha->hw->flt_region_fw);
5667 }
5668
5669 int
5670 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5671 {
5672         int rval;
5673         struct qla_hw_data *ha = vha->hw;
5674
5675         if (ql2xfwloadbin == 2)
5676                 goto try_blob_fw;
5677
5678         /*
5679          * FW Load priority:
5680          * 1) Firmware residing in flash.
5681          * 2) Firmware via request-firmware interface (.bin file).
5682          * 3) Golden-Firmware residing in flash -- limited operation.
5683          */
5684         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5685         if (rval == QLA_SUCCESS)
5686                 return rval;
5687
5688 try_blob_fw:
5689         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5690         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5691                 return rval;
5692
5693         ql_log(ql_log_info, vha, 0x0099,
5694             "Attempting to fallback to golden firmware.\n");
5695         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5696         if (rval != QLA_SUCCESS)
5697                 return rval;
5698
5699         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5700         ha->flags.running_gold_fw = 1;
5701         return rval;
5702 }
5703
5704 void
5705 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5706 {
5707         int ret, retries;
5708         struct qla_hw_data *ha = vha->hw;
5709
5710         if (ha->flags.pci_channel_io_perm_failure)
5711                 return;
5712         if (!IS_FWI2_CAPABLE(ha))
5713                 return;
5714         if (!ha->fw_major_version)
5715                 return;
5716
5717         ret = qla2x00_stop_firmware(vha);
5718         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5719             ret != QLA_INVALID_COMMAND && retries ; retries--) {
5720                 ha->isp_ops->reset_chip(vha);
5721                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5722                         continue;
5723                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5724                         continue;
5725                 ql_log(ql_log_info, vha, 0x8015,
5726                     "Attempting retry of stop-firmware command.\n");
5727                 ret = qla2x00_stop_firmware(vha);
5728         }
5729 }
5730
5731 int
5732 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5733 {
5734         int rval = QLA_SUCCESS;
5735         int rval2;
5736         uint16_t mb[MAILBOX_REGISTER_COUNT];
5737         struct qla_hw_data *ha = vha->hw;
5738         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5739         struct req_que *req;
5740         struct rsp_que *rsp;
5741
5742         if (!vha->vp_idx)
5743                 return -EINVAL;
5744
5745         rval = qla2x00_fw_ready(base_vha);
5746         if (ha->flags.cpu_affinity_enabled)
5747                 req = ha->req_q_map[0];
5748         else
5749                 req = vha->req;
5750         rsp = req->rsp;
5751
5752         if (rval == QLA_SUCCESS) {
5753                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5754                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5755         }
5756
5757         vha->flags.management_server_logged_in = 0;
5758
5759         /* Login to SNS first */
5760         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5761             BIT_1);
5762         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5763                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5764                         ql_dbg(ql_dbg_init, vha, 0x0120,
5765                             "Failed SNS login: loop_id=%x, rval2=%d\n",
5766                             NPH_SNS, rval2);
5767                 else
5768                         ql_dbg(ql_dbg_init, vha, 0x0103,
5769                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5770                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5771                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5772                 return (QLA_FUNCTION_FAILED);
5773         }
5774
5775         atomic_set(&vha->loop_down_timer, 0);
5776         atomic_set(&vha->loop_state, LOOP_UP);
5777         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5778         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5779         rval = qla2x00_loop_resync(base_vha);
5780
5781         return rval;
5782 }
5783
5784 /* 84XX Support **************************************************************/
5785
5786 static LIST_HEAD(qla_cs84xx_list);
5787 static DEFINE_MUTEX(qla_cs84xx_mutex);
5788
5789 static struct qla_chip_state_84xx *
5790 qla84xx_get_chip(struct scsi_qla_host *vha)
5791 {
5792         struct qla_chip_state_84xx *cs84xx;
5793         struct qla_hw_data *ha = vha->hw;
5794
5795         mutex_lock(&qla_cs84xx_mutex);
5796
5797         /* Find any shared 84xx chip. */
5798         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5799                 if (cs84xx->bus == ha->pdev->bus) {
5800                         kref_get(&cs84xx->kref);
5801                         goto done;
5802                 }
5803         }
5804
5805         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5806         if (!cs84xx)
5807                 goto done;
5808
5809         kref_init(&cs84xx->kref);
5810         spin_lock_init(&cs84xx->access_lock);
5811         mutex_init(&cs84xx->fw_update_mutex);
5812         cs84xx->bus = ha->pdev->bus;
5813
5814         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5815 done:
5816         mutex_unlock(&qla_cs84xx_mutex);
5817         return cs84xx;
5818 }
5819
5820 static void
5821 __qla84xx_chip_release(struct kref *kref)
5822 {
5823         struct qla_chip_state_84xx *cs84xx =
5824             container_of(kref, struct qla_chip_state_84xx, kref);
5825
5826         mutex_lock(&qla_cs84xx_mutex);
5827         list_del(&cs84xx->list);
5828         mutex_unlock(&qla_cs84xx_mutex);
5829         kfree(cs84xx);
5830 }
5831
5832 void
5833 qla84xx_put_chip(struct scsi_qla_host *vha)
5834 {
5835         struct qla_hw_data *ha = vha->hw;
5836         if (ha->cs84xx)
5837                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5838 }
5839
5840 static int
5841 qla84xx_init_chip(scsi_qla_host_t *vha)
5842 {
5843         int rval;
5844         uint16_t status[2];
5845         struct qla_hw_data *ha = vha->hw;
5846
5847         mutex_lock(&ha->cs84xx->fw_update_mutex);
5848
5849         rval = qla84xx_verify_chip(vha, status);
5850
5851         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5852
5853         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5854             QLA_SUCCESS;
5855 }
5856
5857 /* 81XX Support **************************************************************/
5858
5859 int
5860 qla81xx_nvram_config(scsi_qla_host_t *vha)
5861 {
5862         int   rval;
5863         struct init_cb_81xx *icb;
5864         struct nvram_81xx *nv;
5865         uint32_t *dptr;
5866         uint8_t  *dptr1, *dptr2;
5867         uint32_t chksum;
5868         uint16_t cnt;
5869         struct qla_hw_data *ha = vha->hw;
5870
5871         rval = QLA_SUCCESS;
5872         icb = (struct init_cb_81xx *)ha->init_cb;
5873         nv = ha->nvram;
5874
5875         /* Determine NVRAM starting address. */
5876         ha->nvram_size = sizeof(struct nvram_81xx);
5877         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5878         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
5879                 ha->vpd_size = FA_VPD_SIZE_82XX;
5880
5881         /* Get VPD data into cache */
5882         ha->vpd = ha->nvram + VPD_OFFSET;
5883         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5884             ha->vpd_size);
5885
5886         /* Get NVRAM data into cache and calculate checksum. */
5887         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5888             ha->nvram_size);
5889         dptr = (uint32_t *)nv;
5890         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5891                 chksum += le32_to_cpu(*dptr++);
5892
5893         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5894             "Contents of NVRAM:\n");
5895         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5896             (uint8_t *)nv, ha->nvram_size);
5897
5898         /* Bad NVRAM data, set defaults parameters. */
5899         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5900             || nv->id[3] != ' ' ||
5901             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5902                 /* Reset NVRAM data. */
5903                 ql_log(ql_log_info, vha, 0x0073,
5904                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5905                     "version=0x%x.\n", chksum, nv->id[0],
5906                     le16_to_cpu(nv->nvram_version));
5907                 ql_log(ql_log_info, vha, 0x0074,
5908                     "Falling back to functioning (yet invalid -- WWPN) "
5909                     "defaults.\n");
5910
5911                 /*
5912                  * Set default initialization control block.
5913                  */
5914                 memset(nv, 0, ha->nvram_size);
5915                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5916                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5917                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5918                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5919                 nv->exchange_count = __constant_cpu_to_le16(0);
5920                 nv->port_name[0] = 0x21;
5921                 nv->port_name[1] = 0x00 + ha->port_no + 1;
5922                 nv->port_name[2] = 0x00;
5923                 nv->port_name[3] = 0xe0;
5924                 nv->port_name[4] = 0x8b;
5925                 nv->port_name[5] = 0x1c;
5926                 nv->port_name[6] = 0x55;
5927                 nv->port_name[7] = 0x86;
5928                 nv->node_name[0] = 0x20;
5929                 nv->node_name[1] = 0x00;
5930                 nv->node_name[2] = 0x00;
5931                 nv->node_name[3] = 0xe0;
5932                 nv->node_name[4] = 0x8b;
5933                 nv->node_name[5] = 0x1c;
5934                 nv->node_name[6] = 0x55;
5935                 nv->node_name[7] = 0x86;
5936                 nv->login_retry_count = __constant_cpu_to_le16(8);
5937                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5938                 nv->login_timeout = __constant_cpu_to_le16(0);
5939                 nv->firmware_options_1 =
5940                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5941                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5942                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5943                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5944                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5945                 nv->efi_parameters = __constant_cpu_to_le32(0);
5946                 nv->reset_delay = 5;
5947                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5948                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5949                 nv->link_down_timeout = __constant_cpu_to_le16(180);
5950                 nv->enode_mac[0] = 0x00;
5951                 nv->enode_mac[1] = 0xC0;
5952                 nv->enode_mac[2] = 0xDD;
5953                 nv->enode_mac[3] = 0x04;
5954                 nv->enode_mac[4] = 0x05;
5955                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
5956
5957                 rval = 1;
5958         }
5959
5960         if (IS_T10_PI_CAPABLE(ha))
5961                 nv->frame_payload_size &= ~7;
5962
5963         qlt_81xx_config_nvram_stage1(vha, nv);
5964
5965         /* Reset Initialization control block */
5966         memset(icb, 0, ha->init_cb_size);
5967
5968         /* Copy 1st segment. */
5969         dptr1 = (uint8_t *)icb;
5970         dptr2 = (uint8_t *)&nv->version;
5971         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5972         while (cnt--)
5973                 *dptr1++ = *dptr2++;
5974
5975         icb->login_retry_count = nv->login_retry_count;
5976
5977         /* Copy 2nd segment. */
5978         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5979         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5980         cnt = (uint8_t *)&icb->reserved_5 -
5981             (uint8_t *)&icb->interrupt_delay_timer;
5982         while (cnt--)
5983                 *dptr1++ = *dptr2++;
5984
5985         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5986         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5987         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5988                 icb->enode_mac[0] = 0x00;
5989                 icb->enode_mac[1] = 0xC0;
5990                 icb->enode_mac[2] = 0xDD;
5991                 icb->enode_mac[3] = 0x04;
5992                 icb->enode_mac[4] = 0x05;
5993                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
5994         }
5995
5996         /* Use extended-initialization control block. */
5997         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5998
5999         /*
6000          * Setup driver NVRAM options.
6001          */
6002         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6003             "QLE8XXX");
6004
6005         qlt_81xx_config_nvram_stage2(vha, icb);
6006
6007         /* Use alternate WWN? */
6008         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
6009                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6010                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6011         }
6012
6013         /* Prepare nodename */
6014         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
6015                 /*
6016                  * Firmware will apply the following mask if the nodename was
6017                  * not provided.
6018                  */
6019                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6020                 icb->node_name[0] &= 0xF0;
6021         }
6022
6023         /* Set host adapter parameters. */
6024         ha->flags.disable_risc_code_load = 0;
6025         ha->flags.enable_lip_reset = 0;
6026         ha->flags.enable_lip_full_login =
6027             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6028         ha->flags.enable_target_reset =
6029             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6030         ha->flags.enable_led_scheme = 0;
6031         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6032
6033         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6034             (BIT_6 | BIT_5 | BIT_4)) >> 4;
6035
6036         /* save HBA serial number */
6037         ha->serial0 = icb->port_name[5];
6038         ha->serial1 = icb->port_name[6];
6039         ha->serial2 = icb->port_name[7];
6040         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6041         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6042
6043         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
6044
6045         ha->retry_count = le16_to_cpu(nv->login_retry_count);
6046
6047         /* Set minimum login_timeout to 4 seconds. */
6048         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6049                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6050         if (le16_to_cpu(nv->login_timeout) < 4)
6051                 nv->login_timeout = __constant_cpu_to_le16(4);
6052         ha->login_timeout = le16_to_cpu(nv->login_timeout);
6053         icb->login_timeout = nv->login_timeout;
6054
6055         /* Set minimum RATOV to 100 tenths of a second. */
6056         ha->r_a_tov = 100;
6057
6058         ha->loop_reset_delay = nv->reset_delay;
6059
6060         /* Link Down Timeout = 0:
6061          *
6062          *      When Port Down timer expires we will start returning
6063          *      I/O's to OS with "DID_NO_CONNECT".
6064          *
6065          * Link Down Timeout != 0:
6066          *
6067          *       The driver waits for the link to come up after link down
6068          *       before returning I/Os to OS with "DID_NO_CONNECT".
6069          */
6070         if (le16_to_cpu(nv->link_down_timeout) == 0) {
6071                 ha->loop_down_abort_time =
6072                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6073         } else {
6074                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
6075                 ha->loop_down_abort_time =
6076                     (LOOP_DOWN_TIME - ha->link_down_timeout);
6077         }
6078
6079         /* Need enough time to try and get the port back. */
6080         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6081         if (qlport_down_retry)
6082                 ha->port_down_retry_count = qlport_down_retry;
6083
6084         /* Set login_retry_count */
6085         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6086         if (ha->port_down_retry_count ==
6087             le16_to_cpu(nv->port_down_retry_count) &&
6088             ha->port_down_retry_count > 3)
6089                 ha->login_retry_count = ha->port_down_retry_count;
6090         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6091                 ha->login_retry_count = ha->port_down_retry_count;
6092         if (ql2xloginretrycount)
6093                 ha->login_retry_count = ql2xloginretrycount;
6094
6095         /* if not running MSI-X we need handshaking on interrupts */
6096         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
6097                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22);
6098
6099         /* Enable ZIO. */
6100         if (!vha->flags.init_done) {
6101                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6102                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6103                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6104                     le16_to_cpu(icb->interrupt_delay_timer): 2;
6105         }
6106         icb->firmware_options_2 &= __constant_cpu_to_le32(
6107             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6108         vha->flags.process_response_queue = 0;
6109         if (ha->zio_mode != QLA_ZIO_DISABLED) {
6110                 ha->zio_mode = QLA_ZIO_MODE_6;
6111
6112                 ql_log(ql_log_info, vha, 0x0075,
6113                     "ZIO mode %d enabled; timer delay (%d us).\n",
6114                     ha->zio_mode,
6115                     ha->zio_timer * 100);
6116
6117                 icb->firmware_options_2 |= cpu_to_le32(
6118                     (uint32_t)ha->zio_mode);
6119                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6120                 vha->flags.process_response_queue = 1;
6121         }
6122
6123         if (rval) {
6124                 ql_log(ql_log_warn, vha, 0x0076,
6125                     "NVRAM configuration failed.\n");
6126         }
6127         return (rval);
6128 }
6129
6130 int
6131 qla82xx_restart_isp(scsi_qla_host_t *vha)
6132 {
6133         int status, rval;
6134         uint32_t wait_time;
6135         struct qla_hw_data *ha = vha->hw;
6136         struct req_que *req = ha->req_q_map[0];
6137         struct rsp_que *rsp = ha->rsp_q_map[0];
6138         struct scsi_qla_host *vp;
6139         unsigned long flags;
6140
6141         status = qla2x00_init_rings(vha);
6142         if (!status) {
6143                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6144                 ha->flags.chip_reset_done = 1;
6145
6146                 status = qla2x00_fw_ready(vha);
6147                 if (!status) {
6148                         ql_log(ql_log_info, vha, 0x803c,
6149                             "Start configure loop, status =%d.\n", status);
6150
6151                         /* Issue a marker after FW becomes ready. */
6152                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6153
6154                         vha->flags.online = 1;
6155                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
6156                         wait_time = 256;
6157                         do {
6158                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6159                                 qla2x00_configure_loop(vha);
6160                                 wait_time--;
6161                         } while (!atomic_read(&vha->loop_down_timer) &&
6162                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
6163                             wait_time &&
6164                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
6165                 }
6166
6167                 /* if no cable then assume it's good */
6168                 if ((vha->device_flags & DFLG_NO_CABLE))
6169                         status = 0;
6170
6171                 ql_log(ql_log_info, vha, 0x8000,
6172                     "Configure loop done, status = 0x%x.\n", status);
6173         }
6174
6175         if (!status) {
6176                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6177
6178                 if (!atomic_read(&vha->loop_down_timer)) {
6179                         /*
6180                          * Issue marker command only when we are going
6181                          * to start the I/O .
6182                          */
6183                         vha->marker_needed = 1;
6184                 }
6185
6186                 vha->flags.online = 1;
6187
6188                 ha->isp_ops->enable_intrs(ha);
6189
6190                 ha->isp_abort_cnt = 0;
6191                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6192
6193                 /* Update the firmware version */
6194                 status = qla82xx_check_md_needed(vha);
6195
6196                 if (ha->fce) {
6197                         ha->flags.fce_enabled = 1;
6198                         memset(ha->fce, 0,
6199                             fce_calc_size(ha->fce_bufs));
6200                         rval = qla2x00_enable_fce_trace(vha,
6201                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6202                             &ha->fce_bufs);
6203                         if (rval) {
6204                                 ql_log(ql_log_warn, vha, 0x8001,
6205                                     "Unable to reinitialize FCE (%d).\n",
6206                                     rval);
6207                                 ha->flags.fce_enabled = 0;
6208                         }
6209                 }
6210
6211                 if (ha->eft) {
6212                         memset(ha->eft, 0, EFT_SIZE);
6213                         rval = qla2x00_enable_eft_trace(vha,
6214                             ha->eft_dma, EFT_NUM_BUFFERS);
6215                         if (rval) {
6216                                 ql_log(ql_log_warn, vha, 0x8010,
6217                                     "Unable to reinitialize EFT (%d).\n",
6218                                     rval);
6219                         }
6220                 }
6221         }
6222
6223         if (!status) {
6224                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
6225                     "qla82xx_restart_isp succeeded.\n");
6226
6227                 spin_lock_irqsave(&ha->vport_slock, flags);
6228                 list_for_each_entry(vp, &ha->vp_list, list) {
6229                         if (vp->vp_idx) {
6230                                 atomic_inc(&vp->vref_count);
6231                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6232
6233                                 qla2x00_vp_abort_isp(vp);
6234
6235                                 spin_lock_irqsave(&ha->vport_slock, flags);
6236                                 atomic_dec(&vp->vref_count);
6237                         }
6238                 }
6239                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6240
6241         } else {
6242                 ql_log(ql_log_warn, vha, 0x8016,
6243                     "qla82xx_restart_isp **** FAILED ****.\n");
6244         }
6245
6246         return status;
6247 }
6248
6249 void
6250 qla81xx_update_fw_options(scsi_qla_host_t *vha)
6251 {
6252         struct qla_hw_data *ha = vha->hw;
6253
6254         if (!ql2xetsenable)
6255                 return;
6256
6257         /* Enable ETS Burst. */
6258         memset(ha->fw_options, 0, sizeof(ha->fw_options));
6259         ha->fw_options[2] |= BIT_9;
6260         qla2x00_set_fw_options(vha, ha->fw_options);
6261 }
6262
6263 /*
6264  * qla24xx_get_fcp_prio
6265  *      Gets the fcp cmd priority value for the logged in port.
6266  *      Looks for a match of the port descriptors within
6267  *      each of the fcp prio config entries. If a match is found,
6268  *      the tag (priority) value is returned.
6269  *
6270  * Input:
6271  *      vha = scsi host structure pointer.
6272  *      fcport = port structure pointer.
6273  *
6274  * Return:
6275  *      non-zero (if found)
6276  *      -1 (if not found)
6277  *
6278  * Context:
6279  *      Kernel context
6280  */
6281 static int
6282 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6283 {
6284         int i, entries;
6285         uint8_t pid_match, wwn_match;
6286         int priority;
6287         uint32_t pid1, pid2;
6288         uint64_t wwn1, wwn2;
6289         struct qla_fcp_prio_entry *pri_entry;
6290         struct qla_hw_data *ha = vha->hw;
6291
6292         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
6293                 return -1;
6294
6295         priority = -1;
6296         entries = ha->fcp_prio_cfg->num_entries;
6297         pri_entry = &ha->fcp_prio_cfg->entry[0];
6298
6299         for (i = 0; i < entries; i++) {
6300                 pid_match = wwn_match = 0;
6301
6302                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
6303                         pri_entry++;
6304                         continue;
6305                 }
6306
6307                 /* check source pid for a match */
6308                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
6309                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
6310                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
6311                         if (pid1 == INVALID_PORT_ID)
6312                                 pid_match++;
6313                         else if (pid1 == pid2)
6314                                 pid_match++;
6315                 }
6316
6317                 /* check destination pid for a match */
6318                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
6319                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
6320                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
6321                         if (pid1 == INVALID_PORT_ID)
6322                                 pid_match++;
6323                         else if (pid1 == pid2)
6324                                 pid_match++;
6325                 }
6326
6327                 /* check source WWN for a match */
6328                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6329                         wwn1 = wwn_to_u64(vha->port_name);
6330                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6331                         if (wwn2 == (uint64_t)-1)
6332                                 wwn_match++;
6333                         else if (wwn1 == wwn2)
6334                                 wwn_match++;
6335                 }
6336
6337                 /* check destination WWN for a match */
6338                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6339                         wwn1 = wwn_to_u64(fcport->port_name);
6340                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6341                         if (wwn2 == (uint64_t)-1)
6342                                 wwn_match++;
6343                         else if (wwn1 == wwn2)
6344                                 wwn_match++;
6345                 }
6346
6347                 if (pid_match == 2 || wwn_match == 2) {
6348                         /* Found a matching entry */
6349                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6350                                 priority = pri_entry->tag;
6351                         break;
6352                 }
6353
6354                 pri_entry++;
6355         }
6356
6357         return priority;
6358 }
6359
6360 /*
6361  * qla24xx_update_fcport_fcp_prio
6362  *      Activates fcp priority for the logged in fc port
6363  *
6364  * Input:
6365  *      vha = scsi host structure pointer.
6366  *      fcp = port structure pointer.
6367  *
6368  * Return:
6369  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6370  *
6371  * Context:
6372  *      Kernel context.
6373  */
6374 int
6375 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6376 {
6377         int ret;
6378         int priority;
6379         uint16_t mb[5];
6380
6381         if (fcport->port_type != FCT_TARGET ||
6382             fcport->loop_id == FC_NO_LOOP_ID)
6383                 return QLA_FUNCTION_FAILED;
6384
6385         priority = qla24xx_get_fcp_prio(vha, fcport);
6386         if (priority < 0)
6387                 return QLA_FUNCTION_FAILED;
6388
6389         if (IS_P3P_TYPE(vha->hw)) {
6390                 fcport->fcp_prio = priority & 0xf;
6391                 return QLA_SUCCESS;
6392         }
6393
6394         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6395         if (ret == QLA_SUCCESS) {
6396                 if (fcport->fcp_prio != priority)
6397                         ql_dbg(ql_dbg_user, vha, 0x709e,
6398                             "Updated FCP_CMND priority - value=%d loop_id=%d "
6399                             "port_id=%02x%02x%02x.\n", priority,
6400                             fcport->loop_id, fcport->d_id.b.domain,
6401                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6402                 fcport->fcp_prio = priority & 0xf;
6403         } else
6404                 ql_dbg(ql_dbg_user, vha, 0x704f,
6405                     "Unable to update FCP_CMND priority - ret=0x%x for "
6406                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6407                     fcport->d_id.b.domain, fcport->d_id.b.area,
6408                     fcport->d_id.b.al_pa);
6409         return  ret;
6410 }
6411
6412 /*
6413  * qla24xx_update_all_fcp_prio
6414  *      Activates fcp priority for all the logged in ports
6415  *
6416  * Input:
6417  *      ha = adapter block pointer.
6418  *
6419  * Return:
6420  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6421  *
6422  * Context:
6423  *      Kernel context.
6424  */
6425 int
6426 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6427 {
6428         int ret;
6429         fc_port_t *fcport;
6430
6431         ret = QLA_FUNCTION_FAILED;
6432         /* We need to set priority for all logged in ports */
6433         list_for_each_entry(fcport, &vha->vp_fcports, list)
6434                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6435
6436         return ret;
6437 }