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 (IS_SHADOW_REG_CAPABLE(ha))
2066                 icb->firmware_options_2 |=
2067                     __constant_cpu_to_le32(BIT_30|BIT_29);
2068
2069         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2070                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
2071                 icb->rid = __constant_cpu_to_le16(rid);
2072                 if (ha->flags.msix_enabled) {
2073                         msix = &ha->msix_entries[1];
2074                         ql_dbg(ql_dbg_init, vha, 0x00fd,
2075                             "Registering vector 0x%x for base que.\n",
2076                             msix->entry);
2077                         icb->msix = cpu_to_le16(msix->entry);
2078                 }
2079                 /* Use alternate PCI bus number */
2080                 if (MSB(rid))
2081                         icb->firmware_options_2 |=
2082                                 __constant_cpu_to_le32(BIT_19);
2083                 /* Use alternate PCI devfn */
2084                 if (LSB(rid))
2085                         icb->firmware_options_2 |=
2086                                 __constant_cpu_to_le32(BIT_18);
2087
2088                 /* Use Disable MSIX Handshake mode for capable adapters */
2089                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
2090                     (ha->flags.msix_enabled)) {
2091                         icb->firmware_options_2 &=
2092                                 __constant_cpu_to_le32(~BIT_22);
2093                         ha->flags.disable_msix_handshake = 1;
2094                         ql_dbg(ql_dbg_init, vha, 0x00fe,
2095                             "MSIX Handshake Disable Mode turned on.\n");
2096                 } else {
2097                         icb->firmware_options_2 |=
2098                                 __constant_cpu_to_le32(BIT_22);
2099                 }
2100                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
2101
2102                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
2103                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
2104                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
2105                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
2106         } else {
2107                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
2108                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
2109                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
2110                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
2111         }
2112         qlt_24xx_config_rings(vha);
2113
2114         /* PCI posting */
2115         RD_REG_DWORD(&ioreg->hccr);
2116 }
2117
2118 /**
2119  * qla2x00_init_rings() - Initializes firmware.
2120  * @ha: HA context
2121  *
2122  * Beginning of request ring has initialization control block already built
2123  * by nvram config routine.
2124  *
2125  * Returns 0 on success.
2126  */
2127 int
2128 qla2x00_init_rings(scsi_qla_host_t *vha)
2129 {
2130         int     rval;
2131         unsigned long flags = 0;
2132         int cnt, que;
2133         struct qla_hw_data *ha = vha->hw;
2134         struct req_que *req;
2135         struct rsp_que *rsp;
2136         struct mid_init_cb_24xx *mid_init_cb =
2137             (struct mid_init_cb_24xx *) ha->init_cb;
2138
2139         spin_lock_irqsave(&ha->hardware_lock, flags);
2140
2141         /* Clear outstanding commands array. */
2142         for (que = 0; que < ha->max_req_queues; que++) {
2143                 req = ha->req_q_map[que];
2144                 if (!req)
2145                         continue;
2146                 req->out_ptr = (void *)(req->ring + req->length);
2147                 *req->out_ptr = 0;
2148                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2149                         req->outstanding_cmds[cnt] = NULL;
2150
2151                 req->current_outstanding_cmd = 1;
2152
2153                 /* Initialize firmware. */
2154                 req->ring_ptr  = req->ring;
2155                 req->ring_index    = 0;
2156                 req->cnt      = req->length;
2157         }
2158
2159         for (que = 0; que < ha->max_rsp_queues; que++) {
2160                 rsp = ha->rsp_q_map[que];
2161                 if (!rsp)
2162                         continue;
2163                 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
2164                 *rsp->in_ptr = 0;
2165                 /* Initialize response queue entries */
2166                 if (IS_QLAFX00(ha))
2167                         qlafx00_init_response_q_entries(rsp);
2168                 else
2169                         qla2x00_init_response_q_entries(rsp);
2170         }
2171
2172         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2173         ha->tgt.atio_ring_index = 0;
2174         /* Initialize ATIO queue entries */
2175         qlt_init_atio_q_entries(vha);
2176
2177         ha->isp_ops->config_rings(vha);
2178
2179         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2180
2181         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2182
2183         if (IS_QLAFX00(ha)) {
2184                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
2185                 goto next_check;
2186         }
2187
2188         /* Update any ISP specific firmware options before initialization. */
2189         ha->isp_ops->update_fw_options(vha);
2190
2191         if (ha->flags.npiv_supported) {
2192                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2193                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2194                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2195         }
2196
2197         if (IS_FWI2_CAPABLE(ha)) {
2198                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2199                 mid_init_cb->init_cb.execution_throttle =
2200                     cpu_to_le16(ha->fw_xcb_count);
2201         }
2202
2203         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2204 next_check:
2205         if (rval) {
2206                 ql_log(ql_log_fatal, vha, 0x00d2,
2207                     "Init Firmware **** FAILED ****.\n");
2208         } else {
2209                 ql_dbg(ql_dbg_init, vha, 0x00d3,
2210                     "Init Firmware -- success.\n");
2211         }
2212
2213         return (rval);
2214 }
2215
2216 /**
2217  * qla2x00_fw_ready() - Waits for firmware ready.
2218  * @ha: HA context
2219  *
2220  * Returns 0 on success.
2221  */
2222 static int
2223 qla2x00_fw_ready(scsi_qla_host_t *vha)
2224 {
2225         int             rval;
2226         unsigned long   wtime, mtime, cs84xx_time;
2227         uint16_t        min_wait;       /* Minimum wait time if loop is down */
2228         uint16_t        wait_time;      /* Wait time if loop is coming ready */
2229         uint16_t        state[5];
2230         struct qla_hw_data *ha = vha->hw;
2231
2232         if (IS_QLAFX00(vha->hw))
2233                 return qlafx00_fw_ready(vha);
2234
2235         rval = QLA_SUCCESS;
2236
2237         /* 20 seconds for loop down. */
2238         min_wait = 20;
2239
2240         /*
2241          * Firmware should take at most one RATOV to login, plus 5 seconds for
2242          * our own processing.
2243          */
2244         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2245                 wait_time = min_wait;
2246         }
2247
2248         /* Min wait time if loop down */
2249         mtime = jiffies + (min_wait * HZ);
2250
2251         /* wait time before firmware ready */
2252         wtime = jiffies + (wait_time * HZ);
2253
2254         /* Wait for ISP to finish LIP */
2255         if (!vha->flags.init_done)
2256                 ql_log(ql_log_info, vha, 0x801e,
2257                     "Waiting for LIP to complete.\n");
2258
2259         do {
2260                 memset(state, -1, sizeof(state));
2261                 rval = qla2x00_get_firmware_state(vha, state);
2262                 if (rval == QLA_SUCCESS) {
2263                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
2264                                 vha->device_flags &= ~DFLG_NO_CABLE;
2265                         }
2266                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2267                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
2268                                     "fw_state=%x 84xx=%x.\n", state[0],
2269                                     state[2]);
2270                                 if ((state[2] & FSTATE_LOGGED_IN) &&
2271                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2272                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
2273                                             "Sending verify iocb.\n");
2274
2275                                         cs84xx_time = jiffies;
2276                                         rval = qla84xx_init_chip(vha);
2277                                         if (rval != QLA_SUCCESS) {
2278                                                 ql_log(ql_log_warn,
2279                                                     vha, 0x8007,
2280                                                     "Init chip failed.\n");
2281                                                 break;
2282                                         }
2283
2284                                         /* Add time taken to initialize. */
2285                                         cs84xx_time = jiffies - cs84xx_time;
2286                                         wtime += cs84xx_time;
2287                                         mtime += cs84xx_time;
2288                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
2289                                             "Increasing wait time by %ld. "
2290                                             "New time %ld.\n", cs84xx_time,
2291                                             wtime);
2292                                 }
2293                         } else if (state[0] == FSTATE_READY) {
2294                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2295                                     "F/W Ready - OK.\n");
2296
2297                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2298                                     &ha->login_timeout, &ha->r_a_tov);
2299
2300                                 rval = QLA_SUCCESS;
2301                                 break;
2302                         }
2303
2304                         rval = QLA_FUNCTION_FAILED;
2305
2306                         if (atomic_read(&vha->loop_down_timer) &&
2307                             state[0] != FSTATE_READY) {
2308                                 /* Loop down. Timeout on min_wait for states
2309                                  * other than Wait for Login.
2310                                  */
2311                                 if (time_after_eq(jiffies, mtime)) {
2312                                         ql_log(ql_log_info, vha, 0x8038,
2313                                             "Cable is unplugged...\n");
2314
2315                                         vha->device_flags |= DFLG_NO_CABLE;
2316                                         break;
2317                                 }
2318                         }
2319                 } else {
2320                         /* Mailbox cmd failed. Timeout on min_wait. */
2321                         if (time_after_eq(jiffies, mtime) ||
2322                                 ha->flags.isp82xx_fw_hung)
2323                                 break;
2324                 }
2325
2326                 if (time_after_eq(jiffies, wtime))
2327                         break;
2328
2329                 /* Delay for a while */
2330                 msleep(500);
2331         } while (1);
2332
2333         ql_dbg(ql_dbg_taskm, vha, 0x803a,
2334             "fw_state=%x (%x, %x, %x, %x) " "curr time=%lx.\n", state[0],
2335             state[1], state[2], state[3], state[4], jiffies);
2336
2337         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2338                 ql_log(ql_log_warn, vha, 0x803b,
2339                     "Firmware ready **** FAILED ****.\n");
2340         }
2341
2342         return (rval);
2343 }
2344
2345 /*
2346 *  qla2x00_configure_hba
2347 *      Setup adapter context.
2348 *
2349 * Input:
2350 *      ha = adapter state pointer.
2351 *
2352 * Returns:
2353 *      0 = success
2354 *
2355 * Context:
2356 *      Kernel context.
2357 */
2358 static int
2359 qla2x00_configure_hba(scsi_qla_host_t *vha)
2360 {
2361         int       rval;
2362         uint16_t      loop_id;
2363         uint16_t      topo;
2364         uint16_t      sw_cap;
2365         uint8_t       al_pa;
2366         uint8_t       area;
2367         uint8_t       domain;
2368         char            connect_type[22];
2369         struct qla_hw_data *ha = vha->hw;
2370         unsigned long flags;
2371         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2372
2373         /* Get host addresses. */
2374         rval = qla2x00_get_adapter_id(vha,
2375             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2376         if (rval != QLA_SUCCESS) {
2377                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2378                     IS_CNA_CAPABLE(ha) ||
2379                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2380                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2381                             "Loop is in a transition state.\n");
2382                 } else {
2383                         ql_log(ql_log_warn, vha, 0x2009,
2384                             "Unable to get host loop ID.\n");
2385                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2386                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2387                                 ql_log(ql_log_warn, vha, 0x1151,
2388                                     "Doing link init.\n");
2389                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2390                                         return rval;
2391                         }
2392                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2393                 }
2394                 return (rval);
2395         }
2396
2397         if (topo == 4) {
2398                 ql_log(ql_log_info, vha, 0x200a,
2399                     "Cannot get topology - retrying.\n");
2400                 return (QLA_FUNCTION_FAILED);
2401         }
2402
2403         vha->loop_id = loop_id;
2404
2405         /* initialize */
2406         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2407         ha->operating_mode = LOOP;
2408         ha->switch_cap = 0;
2409
2410         switch (topo) {
2411         case 0:
2412                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2413                 ha->current_topology = ISP_CFG_NL;
2414                 strcpy(connect_type, "(Loop)");
2415                 break;
2416
2417         case 1:
2418                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2419                 ha->switch_cap = sw_cap;
2420                 ha->current_topology = ISP_CFG_FL;
2421                 strcpy(connect_type, "(FL_Port)");
2422                 break;
2423
2424         case 2:
2425                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2426                 ha->operating_mode = P2P;
2427                 ha->current_topology = ISP_CFG_N;
2428                 strcpy(connect_type, "(N_Port-to-N_Port)");
2429                 break;
2430
2431         case 3:
2432                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2433                 ha->switch_cap = sw_cap;
2434                 ha->operating_mode = P2P;
2435                 ha->current_topology = ISP_CFG_F;
2436                 strcpy(connect_type, "(F_Port)");
2437                 break;
2438
2439         default:
2440                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2441                     "HBA in unknown topology %x, using NL.\n", topo);
2442                 ha->current_topology = ISP_CFG_NL;
2443                 strcpy(connect_type, "(Loop)");
2444                 break;
2445         }
2446
2447         /* Save Host port and loop ID. */
2448         /* byte order - Big Endian */
2449         vha->d_id.b.domain = domain;
2450         vha->d_id.b.area = area;
2451         vha->d_id.b.al_pa = al_pa;
2452
2453         spin_lock_irqsave(&ha->vport_slock, flags);
2454         qlt_update_vp_map(vha, SET_AL_PA);
2455         spin_unlock_irqrestore(&ha->vport_slock, flags);
2456
2457         if (!vha->flags.init_done)
2458                 ql_log(ql_log_info, vha, 0x2010,
2459                     "Topology - %s, Host Loop address 0x%x.\n",
2460                     connect_type, vha->loop_id);
2461
2462         return(rval);
2463 }
2464
2465 inline void
2466 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2467         char *def)
2468 {
2469         char *st, *en;
2470         uint16_t index;
2471         struct qla_hw_data *ha = vha->hw;
2472         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2473             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2474
2475         if (memcmp(model, BINZERO, len) != 0) {
2476                 strncpy(ha->model_number, model, len);
2477                 st = en = ha->model_number;
2478                 en += len - 1;
2479                 while (en > st) {
2480                         if (*en != 0x20 && *en != 0x00)
2481                                 break;
2482                         *en-- = '\0';
2483                 }
2484
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                         strncpy(ha->model_desc,
2490                             qla2x00_model_name[index * 2 + 1],
2491                             sizeof(ha->model_desc) - 1);
2492         } else {
2493                 index = (ha->pdev->subsystem_device & 0xff);
2494                 if (use_tbl &&
2495                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2496                     index < QLA_MODEL_NAMES) {
2497                         strcpy(ha->model_number,
2498                             qla2x00_model_name[index * 2]);
2499                         strncpy(ha->model_desc,
2500                             qla2x00_model_name[index * 2 + 1],
2501                             sizeof(ha->model_desc) - 1);
2502                 } else {
2503                         strcpy(ha->model_number, def);
2504                 }
2505         }
2506         if (IS_FWI2_CAPABLE(ha))
2507                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2508                     sizeof(ha->model_desc));
2509 }
2510
2511 /* On sparc systems, obtain port and node WWN from firmware
2512  * properties.
2513  */
2514 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2515 {
2516 #ifdef CONFIG_SPARC
2517         struct qla_hw_data *ha = vha->hw;
2518         struct pci_dev *pdev = ha->pdev;
2519         struct device_node *dp = pci_device_to_OF_node(pdev);
2520         const u8 *val;
2521         int len;
2522
2523         val = of_get_property(dp, "port-wwn", &len);
2524         if (val && len >= WWN_SIZE)
2525                 memcpy(nv->port_name, val, WWN_SIZE);
2526
2527         val = of_get_property(dp, "node-wwn", &len);
2528         if (val && len >= WWN_SIZE)
2529                 memcpy(nv->node_name, val, WWN_SIZE);
2530 #endif
2531 }
2532
2533 /*
2534 * NVRAM configuration for ISP 2xxx
2535 *
2536 * Input:
2537 *      ha                = adapter block pointer.
2538 *
2539 * Output:
2540 *      initialization control block in response_ring
2541 *      host adapters parameters in host adapter block
2542 *
2543 * Returns:
2544 *      0 = success.
2545 */
2546 int
2547 qla2x00_nvram_config(scsi_qla_host_t *vha)
2548 {
2549         int             rval;
2550         uint8_t         chksum = 0;
2551         uint16_t        cnt;
2552         uint8_t         *dptr1, *dptr2;
2553         struct qla_hw_data *ha = vha->hw;
2554         init_cb_t       *icb = ha->init_cb;
2555         nvram_t         *nv = ha->nvram;
2556         uint8_t         *ptr = ha->nvram;
2557         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2558
2559         rval = QLA_SUCCESS;
2560
2561         /* Determine NVRAM starting address. */
2562         ha->nvram_size = sizeof(nvram_t);
2563         ha->nvram_base = 0;
2564         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2565                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2566                         ha->nvram_base = 0x80;
2567
2568         /* Get NVRAM data and calculate checksum. */
2569         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2570         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2571                 chksum += *ptr++;
2572
2573         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2574             "Contents of NVRAM.\n");
2575         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2576             (uint8_t *)nv, ha->nvram_size);
2577
2578         /* Bad NVRAM data, set defaults parameters. */
2579         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2580             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2581                 /* Reset NVRAM data. */
2582                 ql_log(ql_log_warn, vha, 0x0064,
2583                     "Inconsistent NVRAM "
2584                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2585                     chksum, nv->id[0], nv->nvram_version);
2586                 ql_log(ql_log_warn, vha, 0x0065,
2587                     "Falling back to "
2588                     "functioning (yet invalid -- WWPN) defaults.\n");
2589
2590                 /*
2591                  * Set default initialization control block.
2592                  */
2593                 memset(nv, 0, ha->nvram_size);
2594                 nv->parameter_block_version = ICB_VERSION;
2595
2596                 if (IS_QLA23XX(ha)) {
2597                         nv->firmware_options[0] = BIT_2 | BIT_1;
2598                         nv->firmware_options[1] = BIT_7 | BIT_5;
2599                         nv->add_firmware_options[0] = BIT_5;
2600                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2601                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2602                         nv->special_options[1] = BIT_7;
2603                 } else if (IS_QLA2200(ha)) {
2604                         nv->firmware_options[0] = BIT_2 | BIT_1;
2605                         nv->firmware_options[1] = BIT_7 | BIT_5;
2606                         nv->add_firmware_options[0] = BIT_5;
2607                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2608                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2609                 } else if (IS_QLA2100(ha)) {
2610                         nv->firmware_options[0] = BIT_3 | BIT_1;
2611                         nv->firmware_options[1] = BIT_5;
2612                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2613                 }
2614
2615                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2616                 nv->execution_throttle = __constant_cpu_to_le16(16);
2617                 nv->retry_count = 8;
2618                 nv->retry_delay = 1;
2619
2620                 nv->port_name[0] = 33;
2621                 nv->port_name[3] = 224;
2622                 nv->port_name[4] = 139;
2623
2624                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2625
2626                 nv->login_timeout = 4;
2627
2628                 /*
2629                  * Set default host adapter parameters
2630                  */
2631                 nv->host_p[1] = BIT_2;
2632                 nv->reset_delay = 5;
2633                 nv->port_down_retry_count = 8;
2634                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2635                 nv->link_down_timeout = 60;
2636
2637                 rval = 1;
2638         }
2639
2640 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2641         /*
2642          * The SN2 does not provide BIOS emulation which means you can't change
2643          * potentially bogus BIOS settings. Force the use of default settings
2644          * for link rate and frame size.  Hope that the rest of the settings
2645          * are valid.
2646          */
2647         if (ia64_platform_is("sn2")) {
2648                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2649                 if (IS_QLA23XX(ha))
2650                         nv->special_options[1] = BIT_7;
2651         }
2652 #endif
2653
2654         /* Reset Initialization control block */
2655         memset(icb, 0, ha->init_cb_size);
2656
2657         /*
2658          * Setup driver NVRAM options.
2659          */
2660         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2661         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2662         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2663         nv->firmware_options[1] &= ~BIT_4;
2664
2665         if (IS_QLA23XX(ha)) {
2666                 nv->firmware_options[0] |= BIT_2;
2667                 nv->firmware_options[0] &= ~BIT_3;
2668                 nv->special_options[0] &= ~BIT_6;
2669                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2670
2671                 if (IS_QLA2300(ha)) {
2672                         if (ha->fb_rev == FPM_2310) {
2673                                 strcpy(ha->model_number, "QLA2310");
2674                         } else {
2675                                 strcpy(ha->model_number, "QLA2300");
2676                         }
2677                 } else {
2678                         qla2x00_set_model_info(vha, nv->model_number,
2679                             sizeof(nv->model_number), "QLA23xx");
2680                 }
2681         } else if (IS_QLA2200(ha)) {
2682                 nv->firmware_options[0] |= BIT_2;
2683                 /*
2684                  * 'Point-to-point preferred, else loop' is not a safe
2685                  * connection mode setting.
2686                  */
2687                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2688                     (BIT_5 | BIT_4)) {
2689                         /* Force 'loop preferred, else point-to-point'. */
2690                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2691                         nv->add_firmware_options[0] |= BIT_5;
2692                 }
2693                 strcpy(ha->model_number, "QLA22xx");
2694         } else /*if (IS_QLA2100(ha))*/ {
2695                 strcpy(ha->model_number, "QLA2100");
2696         }
2697
2698         /*
2699          * Copy over NVRAM RISC parameter block to initialization control block.
2700          */
2701         dptr1 = (uint8_t *)icb;
2702         dptr2 = (uint8_t *)&nv->parameter_block_version;
2703         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2704         while (cnt--)
2705                 *dptr1++ = *dptr2++;
2706
2707         /* Copy 2nd half. */
2708         dptr1 = (uint8_t *)icb->add_firmware_options;
2709         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2710         while (cnt--)
2711                 *dptr1++ = *dptr2++;
2712
2713         /* Use alternate WWN? */
2714         if (nv->host_p[1] & BIT_7) {
2715                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2716                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2717         }
2718
2719         /* Prepare nodename */
2720         if ((icb->firmware_options[1] & BIT_6) == 0) {
2721                 /*
2722                  * Firmware will apply the following mask if the nodename was
2723                  * not provided.
2724                  */
2725                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2726                 icb->node_name[0] &= 0xF0;
2727         }
2728
2729         /*
2730          * Set host adapter parameters.
2731          */
2732
2733         /*
2734          * BIT_7 in the host-parameters section allows for modification to
2735          * internal driver logging.
2736          */
2737         if (nv->host_p[0] & BIT_7)
2738                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2739         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2740         /* Always load RISC code on non ISP2[12]00 chips. */
2741         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2742                 ha->flags.disable_risc_code_load = 0;
2743         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2744         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2745         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2746         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2747         ha->flags.disable_serdes = 0;
2748
2749         ha->operating_mode =
2750             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2751
2752         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2753             sizeof(ha->fw_seriallink_options));
2754
2755         /* save HBA serial number */
2756         ha->serial0 = icb->port_name[5];
2757         ha->serial1 = icb->port_name[6];
2758         ha->serial2 = icb->port_name[7];
2759         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2760         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2761
2762         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2763
2764         ha->retry_count = nv->retry_count;
2765
2766         /* Set minimum login_timeout to 4 seconds. */
2767         if (nv->login_timeout != ql2xlogintimeout)
2768                 nv->login_timeout = ql2xlogintimeout;
2769         if (nv->login_timeout < 4)
2770                 nv->login_timeout = 4;
2771         ha->login_timeout = nv->login_timeout;
2772         icb->login_timeout = nv->login_timeout;
2773
2774         /* Set minimum RATOV to 100 tenths of a second. */
2775         ha->r_a_tov = 100;
2776
2777         ha->loop_reset_delay = nv->reset_delay;
2778
2779         /* Link Down Timeout = 0:
2780          *
2781          *      When Port Down timer expires we will start returning
2782          *      I/O's to OS with "DID_NO_CONNECT".
2783          *
2784          * Link Down Timeout != 0:
2785          *
2786          *       The driver waits for the link to come up after link down
2787          *       before returning I/Os to OS with "DID_NO_CONNECT".
2788          */
2789         if (nv->link_down_timeout == 0) {
2790                 ha->loop_down_abort_time =
2791                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2792         } else {
2793                 ha->link_down_timeout =  nv->link_down_timeout;
2794                 ha->loop_down_abort_time =
2795                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2796         }
2797
2798         /*
2799          * Need enough time to try and get the port back.
2800          */
2801         ha->port_down_retry_count = nv->port_down_retry_count;
2802         if (qlport_down_retry)
2803                 ha->port_down_retry_count = qlport_down_retry;
2804         /* Set login_retry_count */
2805         ha->login_retry_count  = nv->retry_count;
2806         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2807             ha->port_down_retry_count > 3)
2808                 ha->login_retry_count = ha->port_down_retry_count;
2809         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2810                 ha->login_retry_count = ha->port_down_retry_count;
2811         if (ql2xloginretrycount)
2812                 ha->login_retry_count = ql2xloginretrycount;
2813
2814         icb->lun_enables = __constant_cpu_to_le16(0);
2815         icb->command_resource_count = 0;
2816         icb->immediate_notify_resource_count = 0;
2817         icb->timeout = __constant_cpu_to_le16(0);
2818
2819         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2820                 /* Enable RIO */
2821                 icb->firmware_options[0] &= ~BIT_3;
2822                 icb->add_firmware_options[0] &=
2823                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2824                 icb->add_firmware_options[0] |= BIT_2;
2825                 icb->response_accumulation_timer = 3;
2826                 icb->interrupt_delay_timer = 5;
2827
2828                 vha->flags.process_response_queue = 1;
2829         } else {
2830                 /* Enable ZIO. */
2831                 if (!vha->flags.init_done) {
2832                         ha->zio_mode = icb->add_firmware_options[0] &
2833                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2834                         ha->zio_timer = icb->interrupt_delay_timer ?
2835                             icb->interrupt_delay_timer: 2;
2836                 }
2837                 icb->add_firmware_options[0] &=
2838                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2839                 vha->flags.process_response_queue = 0;
2840                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2841                         ha->zio_mode = QLA_ZIO_MODE_6;
2842
2843                         ql_log(ql_log_info, vha, 0x0068,
2844                             "ZIO mode %d enabled; timer delay (%d us).\n",
2845                             ha->zio_mode, ha->zio_timer * 100);
2846
2847                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2848                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2849                         vha->flags.process_response_queue = 1;
2850                 }
2851         }
2852
2853         if (rval) {
2854                 ql_log(ql_log_warn, vha, 0x0069,
2855                     "NVRAM configuration failed.\n");
2856         }
2857         return (rval);
2858 }
2859
2860 static void
2861 qla2x00_rport_del(void *data)
2862 {
2863         fc_port_t *fcport = data;
2864         struct fc_rport *rport;
2865         scsi_qla_host_t *vha = fcport->vha;
2866         unsigned long flags;
2867
2868         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2869         rport = fcport->drport ? fcport->drport: fcport->rport;
2870         fcport->drport = NULL;
2871         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2872         if (rport) {
2873                 fc_remote_port_delete(rport);
2874                 /*
2875                  * Release the target mode FC NEXUS in qla_target.c code
2876                  * if target mod is enabled.
2877                  */
2878                 qlt_fc_port_deleted(vha, fcport);
2879         }
2880 }
2881
2882 /**
2883  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2884  * @ha: HA context
2885  * @flags: allocation flags
2886  *
2887  * Returns a pointer to the allocated fcport, or NULL, if none available.
2888  */
2889 fc_port_t *
2890 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2891 {
2892         fc_port_t *fcport;
2893
2894         fcport = kzalloc(sizeof(fc_port_t), flags);
2895         if (!fcport)
2896                 return NULL;
2897
2898         /* Setup fcport template structure. */
2899         fcport->vha = vha;
2900         fcport->port_type = FCT_UNKNOWN;
2901         fcport->loop_id = FC_NO_LOOP_ID;
2902         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2903         fcport->supported_classes = FC_COS_UNSPECIFIED;
2904
2905         return fcport;
2906 }
2907
2908 /*
2909  * qla2x00_configure_loop
2910  *      Updates Fibre Channel Device Database with what is actually on loop.
2911  *
2912  * Input:
2913  *      ha                = adapter block pointer.
2914  *
2915  * Returns:
2916  *      0 = success.
2917  *      1 = error.
2918  *      2 = database was full and device was not configured.
2919  */
2920 static int
2921 qla2x00_configure_loop(scsi_qla_host_t *vha)
2922 {
2923         int  rval;
2924         unsigned long flags, save_flags;
2925         struct qla_hw_data *ha = vha->hw;
2926         rval = QLA_SUCCESS;
2927
2928         /* Get Initiator ID */
2929         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2930                 rval = qla2x00_configure_hba(vha);
2931                 if (rval != QLA_SUCCESS) {
2932                         ql_dbg(ql_dbg_disc, vha, 0x2013,
2933                             "Unable to configure HBA.\n");
2934                         return (rval);
2935                 }
2936         }
2937
2938         save_flags = flags = vha->dpc_flags;
2939         ql_dbg(ql_dbg_disc, vha, 0x2014,
2940             "Configure loop -- dpc flags = 0x%lx.\n", flags);
2941
2942         /*
2943          * If we have both an RSCN and PORT UPDATE pending then handle them
2944          * both at the same time.
2945          */
2946         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2947         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2948
2949         qla2x00_get_data_rate(vha);
2950
2951         /* Determine what we need to do */
2952         if (ha->current_topology == ISP_CFG_FL &&
2953             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2954
2955                 set_bit(RSCN_UPDATE, &flags);
2956
2957         } else if (ha->current_topology == ISP_CFG_F &&
2958             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2959
2960                 set_bit(RSCN_UPDATE, &flags);
2961                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2962
2963         } else if (ha->current_topology == ISP_CFG_N) {
2964                 clear_bit(RSCN_UPDATE, &flags);
2965
2966         } else if (!vha->flags.online ||
2967             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2968
2969                 set_bit(RSCN_UPDATE, &flags);
2970                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2971         }
2972
2973         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2974                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2975                         ql_dbg(ql_dbg_disc, vha, 0x2015,
2976                             "Loop resync needed, failing.\n");
2977                         rval = QLA_FUNCTION_FAILED;
2978                 } else
2979                         rval = qla2x00_configure_local_loop(vha);
2980         }
2981
2982         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2983                 if (LOOP_TRANSITION(vha)) {
2984                         ql_dbg(ql_dbg_disc, vha, 0x201e,
2985                             "Needs RSCN update and loop transition.\n");
2986                         rval = QLA_FUNCTION_FAILED;
2987                 }
2988                 else
2989                         rval = qla2x00_configure_fabric(vha);
2990         }
2991
2992         if (rval == QLA_SUCCESS) {
2993                 if (atomic_read(&vha->loop_down_timer) ||
2994                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2995                         rval = QLA_FUNCTION_FAILED;
2996                 } else {
2997                         atomic_set(&vha->loop_state, LOOP_READY);
2998                         ql_dbg(ql_dbg_disc, vha, 0x2069,
2999                             "LOOP READY.\n");
3000                 }
3001         }
3002
3003         if (rval) {
3004                 ql_dbg(ql_dbg_disc, vha, 0x206a,
3005                     "%s *** FAILED ***.\n", __func__);
3006         } else {
3007                 ql_dbg(ql_dbg_disc, vha, 0x206b,
3008                     "%s: exiting normally.\n", __func__);
3009         }
3010
3011         /* Restore state if a resync event occurred during processing */
3012         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3013                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
3014                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3015                 if (test_bit(RSCN_UPDATE, &save_flags)) {
3016                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
3017                 }
3018         }
3019
3020         return (rval);
3021 }
3022
3023
3024
3025 /*
3026  * qla2x00_configure_local_loop
3027  *      Updates Fibre Channel Device Database with local loop devices.
3028  *
3029  * Input:
3030  *      ha = adapter block pointer.
3031  *
3032  * Returns:
3033  *      0 = success.
3034  */
3035 static int
3036 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
3037 {
3038         int             rval, rval2;
3039         int             found_devs;
3040         int             found;
3041         fc_port_t       *fcport, *new_fcport;
3042
3043         uint16_t        index;
3044         uint16_t        entries;
3045         char            *id_iter;
3046         uint16_t        loop_id;
3047         uint8_t         domain, area, al_pa;
3048         struct qla_hw_data *ha = vha->hw;
3049
3050         found_devs = 0;
3051         new_fcport = NULL;
3052         entries = MAX_FIBRE_DEVICES_LOOP;
3053
3054         /* Get list of logged in devices. */
3055         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
3056         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
3057             &entries);
3058         if (rval != QLA_SUCCESS)
3059                 goto cleanup_allocation;
3060
3061         ql_dbg(ql_dbg_disc, vha, 0x2017,
3062             "Entries in ID list (%d).\n", entries);
3063         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
3064             (uint8_t *)ha->gid_list,
3065             entries * sizeof(struct gid_list_info));
3066
3067         /* Allocate temporary fcport for any new fcports discovered. */
3068         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3069         if (new_fcport == NULL) {
3070                 ql_log(ql_log_warn, vha, 0x2018,
3071                     "Memory allocation failed for fcport.\n");
3072                 rval = QLA_MEMORY_ALLOC_FAILED;
3073                 goto cleanup_allocation;
3074         }
3075         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3076
3077         /*
3078          * Mark local devices that were present with FCF_DEVICE_LOST for now.
3079          */
3080         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3081                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
3082                     fcport->port_type != FCT_BROADCAST &&
3083                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3084
3085                         ql_dbg(ql_dbg_disc, vha, 0x2019,
3086                             "Marking port lost loop_id=0x%04x.\n",
3087                             fcport->loop_id);
3088
3089                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3090                 }
3091         }
3092
3093         /* Add devices to port list. */
3094         id_iter = (char *)ha->gid_list;
3095         for (index = 0; index < entries; index++) {
3096                 domain = ((struct gid_list_info *)id_iter)->domain;
3097                 area = ((struct gid_list_info *)id_iter)->area;
3098                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
3099                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
3100                         loop_id = (uint16_t)
3101                             ((struct gid_list_info *)id_iter)->loop_id_2100;
3102                 else
3103                         loop_id = le16_to_cpu(
3104                             ((struct gid_list_info *)id_iter)->loop_id);
3105                 id_iter += ha->gid_list_info_size;
3106
3107                 /* Bypass reserved domain fields. */
3108                 if ((domain & 0xf0) == 0xf0)
3109                         continue;
3110
3111                 /* Bypass if not same domain and area of adapter. */
3112                 if (area && domain &&
3113                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
3114                         continue;
3115
3116                 /* Bypass invalid local loop ID. */
3117                 if (loop_id > LAST_LOCAL_LOOP_ID)
3118                         continue;
3119
3120                 memset(new_fcport, 0, sizeof(fc_port_t));
3121
3122                 /* Fill in member data. */
3123                 new_fcport->d_id.b.domain = domain;
3124                 new_fcport->d_id.b.area = area;
3125                 new_fcport->d_id.b.al_pa = al_pa;
3126                 new_fcport->loop_id = loop_id;
3127                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
3128                 if (rval2 != QLA_SUCCESS) {
3129                         ql_dbg(ql_dbg_disc, vha, 0x201a,
3130                             "Failed to retrieve fcport information "
3131                             "-- get_port_database=%x, loop_id=0x%04x.\n",
3132                             rval2, new_fcport->loop_id);
3133                         ql_dbg(ql_dbg_disc, vha, 0x201b,
3134                             "Scheduling resync.\n");
3135                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3136                         continue;
3137                 }
3138
3139                 /* Check for matching device in port list. */
3140                 found = 0;
3141                 fcport = NULL;
3142                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3143                         if (memcmp(new_fcport->port_name, fcport->port_name,
3144                             WWN_SIZE))
3145                                 continue;
3146
3147                         fcport->flags &= ~FCF_FABRIC_DEVICE;
3148                         fcport->loop_id = new_fcport->loop_id;
3149                         fcport->port_type = new_fcport->port_type;
3150                         fcport->d_id.b24 = new_fcport->d_id.b24;
3151                         memcpy(fcport->node_name, new_fcport->node_name,
3152                             WWN_SIZE);
3153
3154                         found++;
3155                         break;
3156                 }
3157
3158                 if (!found) {
3159                         /* New device, add to fcports list. */
3160                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
3161
3162                         /* Allocate a new replacement fcport. */
3163                         fcport = new_fcport;
3164                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3165                         if (new_fcport == NULL) {
3166                                 ql_log(ql_log_warn, vha, 0x201c,
3167                                     "Failed to allocate memory for fcport.\n");
3168                                 rval = QLA_MEMORY_ALLOC_FAILED;
3169                                 goto cleanup_allocation;
3170                         }
3171                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3172                 }
3173
3174                 /* Base iIDMA settings on HBA port speed. */
3175                 fcport->fp_speed = ha->link_data_rate;
3176
3177                 qla2x00_update_fcport(vha, fcport);
3178
3179                 found_devs++;
3180         }
3181
3182 cleanup_allocation:
3183         kfree(new_fcport);
3184
3185         if (rval != QLA_SUCCESS) {
3186                 ql_dbg(ql_dbg_disc, vha, 0x201d,
3187                     "Configure local loop error exit: rval=%x.\n", rval);
3188         }
3189
3190         return (rval);
3191 }
3192
3193 static void
3194 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3195 {
3196         int rval;
3197         uint16_t mb[4];
3198         struct qla_hw_data *ha = vha->hw;
3199
3200         if (!IS_IIDMA_CAPABLE(ha))
3201                 return;
3202
3203         if (atomic_read(&fcport->state) != FCS_ONLINE)
3204                 return;
3205
3206         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3207             fcport->fp_speed > ha->link_data_rate)
3208                 return;
3209
3210         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3211             mb);
3212         if (rval != QLA_SUCCESS) {
3213                 ql_dbg(ql_dbg_disc, vha, 0x2004,
3214                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
3215                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
3216         } else {
3217                 ql_dbg(ql_dbg_disc, vha, 0x2005,
3218                     "iIDMA adjusted to %s GB/s on %8phN.\n",
3219                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3220                     fcport->port_name);
3221         }
3222 }
3223
3224 static void
3225 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3226 {
3227         struct fc_rport_identifiers rport_ids;
3228         struct fc_rport *rport;
3229         unsigned long flags;
3230
3231         qla2x00_rport_del(fcport);
3232
3233         rport_ids.node_name = wwn_to_u64(fcport->node_name);
3234         rport_ids.port_name = wwn_to_u64(fcport->port_name);
3235         rport_ids.port_id = fcport->d_id.b.domain << 16 |
3236             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3237         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3238         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3239         if (!rport) {
3240                 ql_log(ql_log_warn, vha, 0x2006,
3241                     "Unable to allocate fc remote port.\n");
3242                 return;
3243         }
3244         /*
3245          * Create target mode FC NEXUS in qla_target.c if target mode is
3246          * enabled..
3247          */
3248         qlt_fc_port_added(vha, fcport);
3249
3250         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3251         *((fc_port_t **)rport->dd_data) = fcport;
3252         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3253
3254         rport->supported_classes = fcport->supported_classes;
3255
3256         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3257         if (fcport->port_type == FCT_INITIATOR)
3258                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3259         if (fcport->port_type == FCT_TARGET)
3260                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3261         fc_remote_port_rolechg(rport, rport_ids.roles);
3262 }
3263
3264 /*
3265  * qla2x00_update_fcport
3266  *      Updates device on list.
3267  *
3268  * Input:
3269  *      ha = adapter block pointer.
3270  *      fcport = port structure pointer.
3271  *
3272  * Return:
3273  *      0  - Success
3274  *  BIT_0 - error
3275  *
3276  * Context:
3277  *      Kernel context.
3278  */
3279 void
3280 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3281 {
3282         fcport->vha = vha;
3283
3284         if (IS_QLAFX00(vha->hw)) {
3285                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3286                 qla2x00_reg_remote_port(vha, fcport);
3287                 return;
3288         }
3289         fcport->login_retry = 0;
3290         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3291
3292         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3293         qla2x00_iidma_fcport(vha, fcport);
3294         qla24xx_update_fcport_fcp_prio(vha, fcport);
3295         qla2x00_reg_remote_port(vha, fcport);
3296 }
3297
3298 /*
3299  * qla2x00_configure_fabric
3300  *      Setup SNS devices with loop ID's.
3301  *
3302  * Input:
3303  *      ha = adapter block pointer.
3304  *
3305  * Returns:
3306  *      0 = success.
3307  *      BIT_0 = error
3308  */
3309 static int
3310 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3311 {
3312         int     rval;
3313         fc_port_t       *fcport, *fcptemp;
3314         uint16_t        next_loopid;
3315         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3316         uint16_t        loop_id;
3317         LIST_HEAD(new_fcports);
3318         struct qla_hw_data *ha = vha->hw;
3319         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3320
3321         /* If FL port exists, then SNS is present */
3322         if (IS_FWI2_CAPABLE(ha))
3323                 loop_id = NPH_F_PORT;
3324         else
3325                 loop_id = SNS_FL_PORT;
3326         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3327         if (rval != QLA_SUCCESS) {
3328                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3329                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3330
3331                 vha->device_flags &= ~SWITCH_FOUND;
3332                 return (QLA_SUCCESS);
3333         }
3334         vha->device_flags |= SWITCH_FOUND;
3335
3336         do {
3337                 /* FDMI support. */
3338                 if (ql2xfdmienable &&
3339                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3340                         qla2x00_fdmi_register(vha);
3341
3342                 /* Ensure we are logged into the SNS. */
3343                 if (IS_FWI2_CAPABLE(ha))
3344                         loop_id = NPH_SNS;
3345                 else
3346                         loop_id = SIMPLE_NAME_SERVER;
3347                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3348                     0xfc, mb, BIT_1|BIT_0);
3349                 if (rval != QLA_SUCCESS) {
3350                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3351                         return rval;
3352                 }
3353                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3354                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3355                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3356                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3357                             mb[2], mb[6], mb[7]);
3358                         return (QLA_SUCCESS);
3359                 }
3360
3361                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3362                         if (qla2x00_rft_id(vha)) {
3363                                 /* EMPTY */
3364                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3365                                     "Register FC-4 TYPE failed.\n");
3366                         }
3367                         if (qla2x00_rff_id(vha)) {
3368                                 /* EMPTY */
3369                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3370                                     "Register FC-4 Features failed.\n");
3371                         }
3372                         if (qla2x00_rnn_id(vha)) {
3373                                 /* EMPTY */
3374                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3375                                     "Register Node Name failed.\n");
3376                         } else if (qla2x00_rsnn_nn(vha)) {
3377                                 /* EMPTY */
3378                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3379                                     "Register Symobilic Node Name failed.\n");
3380                         }
3381                 }
3382
3383 #define QLA_FCPORT_SCAN         1
3384 #define QLA_FCPORT_FOUND        2
3385
3386                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3387                         fcport->scan_state = QLA_FCPORT_SCAN;
3388                 }
3389
3390                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3391                 if (rval != QLA_SUCCESS)
3392                         break;
3393
3394                 /*
3395                  * Logout all previous fabric devices marked lost, except
3396                  * FCP2 devices.
3397                  */
3398                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3399                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3400                                 break;
3401
3402                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3403                                 continue;
3404
3405                         if (fcport->scan_state == QLA_FCPORT_SCAN &&
3406                             atomic_read(&fcport->state) == FCS_ONLINE) {
3407                                 qla2x00_mark_device_lost(vha, fcport,
3408                                     ql2xplogiabsentdevice, 0);
3409                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3410                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3411                                     fcport->port_type != FCT_INITIATOR &&
3412                                     fcport->port_type != FCT_BROADCAST) {
3413                                         ha->isp_ops->fabric_logout(vha,
3414                                             fcport->loop_id,
3415                                             fcport->d_id.b.domain,
3416                                             fcport->d_id.b.area,
3417                                             fcport->d_id.b.al_pa);
3418                                         qla2x00_clear_loop_id(fcport);
3419                                 }
3420                         }
3421                 }
3422
3423                 /* Starting free loop ID. */
3424                 next_loopid = ha->min_external_loopid;
3425
3426                 /*
3427                  * Scan through our port list and login entries that need to be
3428                  * logged in.
3429                  */
3430                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3431                         if (atomic_read(&vha->loop_down_timer) ||
3432                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3433                                 break;
3434
3435                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3436                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3437                                 continue;
3438
3439                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3440                                 fcport->loop_id = next_loopid;
3441                                 rval = qla2x00_find_new_loop_id(
3442                                     base_vha, fcport);
3443                                 if (rval != QLA_SUCCESS) {
3444                                         /* Ran out of IDs to use */
3445                                         break;
3446                                 }
3447                         }
3448                         /* Login and update database */
3449                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3450                 }
3451
3452                 /* Exit if out of loop IDs. */
3453                 if (rval != QLA_SUCCESS) {
3454                         break;
3455                 }
3456
3457                 /*
3458                  * Login and add the new devices to our port list.
3459                  */
3460                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3461                         if (atomic_read(&vha->loop_down_timer) ||
3462                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3463                                 break;
3464
3465                         /* Find a new loop ID to use. */
3466                         fcport->loop_id = next_loopid;
3467                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3468                         if (rval != QLA_SUCCESS) {
3469                                 /* Ran out of IDs to use */
3470                                 break;
3471                         }
3472
3473                         /* Login and update database */
3474                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3475
3476                         list_move_tail(&fcport->list, &vha->vp_fcports);
3477                 }
3478         } while (0);
3479
3480         /* Free all new device structures not processed. */
3481         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3482                 list_del(&fcport->list);
3483                 kfree(fcport);
3484         }
3485
3486         if (rval) {
3487                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3488                     "Configure fabric error exit rval=%d.\n", rval);
3489         }
3490
3491         return (rval);
3492 }
3493
3494 /*
3495  * qla2x00_find_all_fabric_devs
3496  *
3497  * Input:
3498  *      ha = adapter block pointer.
3499  *      dev = database device entry pointer.
3500  *
3501  * Returns:
3502  *      0 = success.
3503  *
3504  * Context:
3505  *      Kernel context.
3506  */
3507 static int
3508 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3509         struct list_head *new_fcports)
3510 {
3511         int             rval;
3512         uint16_t        loop_id;
3513         fc_port_t       *fcport, *new_fcport, *fcptemp;
3514         int             found;
3515
3516         sw_info_t       *swl;
3517         int             swl_idx;
3518         int             first_dev, last_dev;
3519         port_id_t       wrap = {}, nxt_d_id;
3520         struct qla_hw_data *ha = vha->hw;
3521         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3522
3523         rval = QLA_SUCCESS;
3524
3525         /* Try GID_PT to get device list, else GAN. */
3526         if (!ha->swl)
3527                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3528                     GFP_KERNEL);
3529         swl = ha->swl;
3530         if (!swl) {
3531                 /*EMPTY*/
3532                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3533                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3534         } else {
3535                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3536                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3537                         swl = NULL;
3538                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3539                         swl = NULL;
3540                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3541                         swl = NULL;
3542                 } else if (ql2xiidmaenable &&
3543                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3544                         qla2x00_gpsc(vha, swl);
3545                 }
3546
3547                 /* If other queries succeeded probe for FC-4 type */
3548                 if (swl)
3549                         qla2x00_gff_id(vha, swl);
3550         }
3551         swl_idx = 0;
3552
3553         /* Allocate temporary fcport for any new fcports discovered. */
3554         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3555         if (new_fcport == NULL) {
3556                 ql_log(ql_log_warn, vha, 0x205e,
3557                     "Failed to allocate memory for fcport.\n");
3558                 return (QLA_MEMORY_ALLOC_FAILED);
3559         }
3560         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3561         /* Set start port ID scan at adapter ID. */
3562         first_dev = 1;
3563         last_dev = 0;
3564
3565         /* Starting free loop ID. */
3566         loop_id = ha->min_external_loopid;
3567         for (; loop_id <= ha->max_loop_id; loop_id++) {
3568                 if (qla2x00_is_reserved_id(vha, loop_id))
3569                         continue;
3570
3571                 if (ha->current_topology == ISP_CFG_FL &&
3572                     (atomic_read(&vha->loop_down_timer) ||
3573                      LOOP_TRANSITION(vha))) {
3574                         atomic_set(&vha->loop_down_timer, 0);
3575                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3576                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3577                         break;
3578                 }
3579
3580                 if (swl != NULL) {
3581                         if (last_dev) {
3582                                 wrap.b24 = new_fcport->d_id.b24;
3583                         } else {
3584                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3585                                 memcpy(new_fcport->node_name,
3586                                     swl[swl_idx].node_name, WWN_SIZE);
3587                                 memcpy(new_fcport->port_name,
3588                                     swl[swl_idx].port_name, WWN_SIZE);
3589                                 memcpy(new_fcport->fabric_port_name,
3590                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3591                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3592                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3593
3594                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3595                                         last_dev = 1;
3596                                 }
3597                                 swl_idx++;
3598                         }
3599                 } else {
3600                         /* Send GA_NXT to the switch */
3601                         rval = qla2x00_ga_nxt(vha, new_fcport);
3602                         if (rval != QLA_SUCCESS) {
3603                                 ql_log(ql_log_warn, vha, 0x2064,
3604                                     "SNS scan failed -- assuming "
3605                                     "zero-entry result.\n");
3606                                 list_for_each_entry_safe(fcport, fcptemp,
3607                                     new_fcports, list) {
3608                                         list_del(&fcport->list);
3609                                         kfree(fcport);
3610                                 }
3611                                 rval = QLA_SUCCESS;
3612                                 break;
3613                         }
3614                 }
3615
3616                 /* If wrap on switch device list, exit. */
3617                 if (first_dev) {
3618                         wrap.b24 = new_fcport->d_id.b24;
3619                         first_dev = 0;
3620                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3621                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3622                             "Device wrap (%02x%02x%02x).\n",
3623                             new_fcport->d_id.b.domain,
3624                             new_fcport->d_id.b.area,
3625                             new_fcport->d_id.b.al_pa);
3626                         break;
3627                 }
3628
3629                 /* Bypass if same physical adapter. */
3630                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3631                         continue;
3632
3633                 /* Bypass virtual ports of the same host. */
3634                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3635                         continue;
3636
3637                 /* Bypass if same domain and area of adapter. */
3638                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3639                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3640                         ISP_CFG_FL)
3641                             continue;
3642
3643                 /* Bypass reserved domain fields. */
3644                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3645                         continue;
3646
3647                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3648                 if (ql2xgffidenable &&
3649                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3650                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3651                         continue;
3652
3653                 /* Locate matching device in database. */
3654                 found = 0;
3655                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3656                         if (memcmp(new_fcport->port_name, fcport->port_name,
3657                             WWN_SIZE))
3658                                 continue;
3659
3660                         fcport->scan_state = QLA_FCPORT_FOUND;
3661
3662                         found++;
3663
3664                         /* Update port state. */
3665                         memcpy(fcport->fabric_port_name,
3666                             new_fcport->fabric_port_name, WWN_SIZE);
3667                         fcport->fp_speed = new_fcport->fp_speed;
3668
3669                         /*
3670                          * If address the same and state FCS_ONLINE, nothing
3671                          * changed.
3672                          */
3673                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3674                             atomic_read(&fcport->state) == FCS_ONLINE) {
3675                                 break;
3676                         }
3677
3678                         /*
3679                          * If device was not a fabric device before.
3680                          */
3681                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3682                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3683                                 qla2x00_clear_loop_id(fcport);
3684                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3685                                     FCF_LOGIN_NEEDED);
3686                                 break;
3687                         }
3688
3689                         /*
3690                          * Port ID changed or device was marked to be updated;
3691                          * Log it out if still logged in and mark it for
3692                          * relogin later.
3693                          */
3694                         fcport->d_id.b24 = new_fcport->d_id.b24;
3695                         fcport->flags |= FCF_LOGIN_NEEDED;
3696                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3697                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3698                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3699                             fcport->port_type != FCT_INITIATOR &&
3700                             fcport->port_type != FCT_BROADCAST) {
3701                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3702                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3703                                     fcport->d_id.b.al_pa);
3704                                 qla2x00_clear_loop_id(fcport);
3705                         }
3706
3707                         break;
3708                 }
3709
3710                 if (found)
3711                         continue;
3712                 /* If device was not in our fcports list, then add it. */
3713                 list_add_tail(&new_fcport->list, new_fcports);
3714
3715                 /* Allocate a new replacement fcport. */
3716                 nxt_d_id.b24 = new_fcport->d_id.b24;
3717                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3718                 if (new_fcport == NULL) {
3719                         ql_log(ql_log_warn, vha, 0x2066,
3720                             "Memory allocation failed for fcport.\n");
3721                         return (QLA_MEMORY_ALLOC_FAILED);
3722                 }
3723                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3724                 new_fcport->d_id.b24 = nxt_d_id.b24;
3725         }
3726
3727         kfree(new_fcport);
3728
3729         return (rval);
3730 }
3731
3732 /*
3733  * qla2x00_find_new_loop_id
3734  *      Scan through our port list and find a new usable loop ID.
3735  *
3736  * Input:
3737  *      ha:     adapter state pointer.
3738  *      dev:    port structure pointer.
3739  *
3740  * Returns:
3741  *      qla2x00 local function return status code.
3742  *
3743  * Context:
3744  *      Kernel context.
3745  */
3746 int
3747 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3748 {
3749         int     rval;
3750         struct qla_hw_data *ha = vha->hw;
3751         unsigned long flags = 0;
3752
3753         rval = QLA_SUCCESS;
3754
3755         spin_lock_irqsave(&ha->vport_slock, flags);
3756
3757         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3758             LOOPID_MAP_SIZE);
3759         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3760             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3761                 dev->loop_id = FC_NO_LOOP_ID;
3762                 rval = QLA_FUNCTION_FAILED;
3763         } else
3764                 set_bit(dev->loop_id, ha->loop_id_map);
3765
3766         spin_unlock_irqrestore(&ha->vport_slock, flags);
3767
3768         if (rval == QLA_SUCCESS)
3769                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3770                     "Assigning new loopid=%x, portid=%x.\n",
3771                     dev->loop_id, dev->d_id.b24);
3772         else
3773                 ql_log(ql_log_warn, dev->vha, 0x2087,
3774                     "No loop_id's available, portid=%x.\n",
3775                     dev->d_id.b24);
3776
3777         return (rval);
3778 }
3779
3780 /*
3781  * qla2x00_fabric_dev_login
3782  *      Login fabric target device and update FC port database.
3783  *
3784  * Input:
3785  *      ha:             adapter state pointer.
3786  *      fcport:         port structure list pointer.
3787  *      next_loopid:    contains value of a new loop ID that can be used
3788  *                      by the next login attempt.
3789  *
3790  * Returns:
3791  *      qla2x00 local function return status code.
3792  *
3793  * Context:
3794  *      Kernel context.
3795  */
3796 static int
3797 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3798     uint16_t *next_loopid)
3799 {
3800         int     rval;
3801         int     retry;
3802         uint8_t opts;
3803         struct qla_hw_data *ha = vha->hw;
3804
3805         rval = QLA_SUCCESS;
3806         retry = 0;
3807
3808         if (IS_ALOGIO_CAPABLE(ha)) {
3809                 if (fcport->flags & FCF_ASYNC_SENT)
3810                         return rval;
3811                 fcport->flags |= FCF_ASYNC_SENT;
3812                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3813                 if (!rval)
3814                         return rval;
3815         }
3816
3817         fcport->flags &= ~FCF_ASYNC_SENT;
3818         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3819         if (rval == QLA_SUCCESS) {
3820                 /* Send an ADISC to FCP2 devices.*/
3821                 opts = 0;
3822                 if (fcport->flags & FCF_FCP2_DEVICE)
3823                         opts |= BIT_1;
3824                 rval = qla2x00_get_port_database(vha, fcport, opts);
3825                 if (rval != QLA_SUCCESS) {
3826                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3827                             fcport->d_id.b.domain, fcport->d_id.b.area,
3828                             fcport->d_id.b.al_pa);
3829                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3830                 } else {
3831                         qla2x00_update_fcport(vha, fcport);
3832                 }
3833         } else {
3834                 /* Retry Login. */
3835                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3836         }
3837
3838         return (rval);
3839 }
3840
3841 /*
3842  * qla2x00_fabric_login
3843  *      Issue fabric login command.
3844  *
3845  * Input:
3846  *      ha = adapter block pointer.
3847  *      device = pointer to FC device type structure.
3848  *
3849  * Returns:
3850  *      0 - Login successfully
3851  *      1 - Login failed
3852  *      2 - Initiator device
3853  *      3 - Fatal error
3854  */
3855 int
3856 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3857     uint16_t *next_loopid)
3858 {
3859         int     rval;
3860         int     retry;
3861         uint16_t tmp_loopid;
3862         uint16_t mb[MAILBOX_REGISTER_COUNT];
3863         struct qla_hw_data *ha = vha->hw;
3864
3865         retry = 0;
3866         tmp_loopid = 0;
3867
3868         for (;;) {
3869                 ql_dbg(ql_dbg_disc, vha, 0x2000,
3870                     "Trying Fabric Login w/loop id 0x%04x for port "
3871                     "%02x%02x%02x.\n",
3872                     fcport->loop_id, fcport->d_id.b.domain,
3873                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
3874
3875                 /* Login fcport on switch. */
3876                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
3877                     fcport->d_id.b.domain, fcport->d_id.b.area,
3878                     fcport->d_id.b.al_pa, mb, BIT_0);
3879                 if (rval != QLA_SUCCESS) {
3880                         return rval;
3881                 }
3882                 if (mb[0] == MBS_PORT_ID_USED) {
3883                         /*
3884                          * Device has another loop ID.  The firmware team
3885                          * recommends the driver perform an implicit login with
3886                          * the specified ID again. The ID we just used is save
3887                          * here so we return with an ID that can be tried by
3888                          * the next login.
3889                          */
3890                         retry++;
3891                         tmp_loopid = fcport->loop_id;
3892                         fcport->loop_id = mb[1];
3893
3894                         ql_dbg(ql_dbg_disc, vha, 0x2001,
3895                             "Fabric Login: port in use - next loop "
3896                             "id=0x%04x, port id= %02x%02x%02x.\n",
3897                             fcport->loop_id, fcport->d_id.b.domain,
3898                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
3899
3900                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3901                         /*
3902                          * Login succeeded.
3903                          */
3904                         if (retry) {
3905                                 /* A retry occurred before. */
3906                                 *next_loopid = tmp_loopid;
3907                         } else {
3908                                 /*
3909                                  * No retry occurred before. Just increment the
3910                                  * ID value for next login.
3911                                  */
3912                                 *next_loopid = (fcport->loop_id + 1);
3913                         }
3914
3915                         if (mb[1] & BIT_0) {
3916                                 fcport->port_type = FCT_INITIATOR;
3917                         } else {
3918                                 fcport->port_type = FCT_TARGET;
3919                                 if (mb[1] & BIT_1) {
3920                                         fcport->flags |= FCF_FCP2_DEVICE;
3921                                 }
3922                         }
3923
3924                         if (mb[10] & BIT_0)
3925                                 fcport->supported_classes |= FC_COS_CLASS2;
3926                         if (mb[10] & BIT_1)
3927                                 fcport->supported_classes |= FC_COS_CLASS3;
3928
3929                         if (IS_FWI2_CAPABLE(ha)) {
3930                                 if (mb[10] & BIT_7)
3931                                         fcport->flags |=
3932                                             FCF_CONF_COMP_SUPPORTED;
3933                         }
3934
3935                         rval = QLA_SUCCESS;
3936                         break;
3937                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3938                         /*
3939                          * Loop ID already used, try next loop ID.
3940                          */
3941                         fcport->loop_id++;
3942                         rval = qla2x00_find_new_loop_id(vha, fcport);
3943                         if (rval != QLA_SUCCESS) {
3944                                 /* Ran out of loop IDs to use */
3945                                 break;
3946                         }
3947                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3948                         /*
3949                          * Firmware possibly timed out during login. If NO
3950                          * retries are left to do then the device is declared
3951                          * dead.
3952                          */
3953                         *next_loopid = fcport->loop_id;
3954                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3955                             fcport->d_id.b.domain, fcport->d_id.b.area,
3956                             fcport->d_id.b.al_pa);
3957                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3958
3959                         rval = 1;
3960                         break;
3961                 } else {
3962                         /*
3963                          * unrecoverable / not handled error
3964                          */
3965                         ql_dbg(ql_dbg_disc, vha, 0x2002,
3966                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3967                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3968                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
3969                             fcport->loop_id, jiffies);
3970
3971                         *next_loopid = fcport->loop_id;
3972                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3973                             fcport->d_id.b.domain, fcport->d_id.b.area,
3974                             fcport->d_id.b.al_pa);
3975                         qla2x00_clear_loop_id(fcport);
3976                         fcport->login_retry = 0;
3977
3978                         rval = 3;
3979                         break;
3980                 }
3981         }
3982
3983         return (rval);
3984 }
3985
3986 /*
3987  * qla2x00_local_device_login
3988  *      Issue local device login command.
3989  *
3990  * Input:
3991  *      ha = adapter block pointer.
3992  *      loop_id = loop id of device to login to.
3993  *
3994  * Returns (Where's the #define!!!!):
3995  *      0 - Login successfully
3996  *      1 - Login failed
3997  *      3 - Fatal error
3998  */
3999 int
4000 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
4001 {
4002         int             rval;
4003         uint16_t        mb[MAILBOX_REGISTER_COUNT];
4004
4005         memset(mb, 0, sizeof(mb));
4006         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
4007         if (rval == QLA_SUCCESS) {
4008                 /* Interrogate mailbox registers for any errors */
4009                 if (mb[0] == MBS_COMMAND_ERROR)
4010                         rval = 1;
4011                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
4012                         /* device not in PCB table */
4013                         rval = 3;
4014         }
4015
4016         return (rval);
4017 }
4018
4019 /*
4020  *  qla2x00_loop_resync
4021  *      Resync with fibre channel devices.
4022  *
4023  * Input:
4024  *      ha = adapter block pointer.
4025  *
4026  * Returns:
4027  *      0 = success
4028  */
4029 int
4030 qla2x00_loop_resync(scsi_qla_host_t *vha)
4031 {
4032         int rval = QLA_SUCCESS;
4033         uint32_t wait_time;
4034         struct req_que *req;
4035         struct rsp_que *rsp;
4036
4037         if (vha->hw->flags.cpu_affinity_enabled)
4038                 req = vha->hw->req_q_map[0];
4039         else
4040                 req = vha->req;
4041         rsp = req->rsp;
4042
4043         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4044         if (vha->flags.online) {
4045                 if (!(rval = qla2x00_fw_ready(vha))) {
4046                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4047                         wait_time = 256;
4048                         do {
4049                                 if (!IS_QLAFX00(vha->hw)) {
4050                                         /*
4051                                          * Issue a marker after FW becomes
4052                                          * ready.
4053                                          */
4054                                         qla2x00_marker(vha, req, rsp, 0, 0,
4055                                                 MK_SYNC_ALL);
4056                                         vha->marker_needed = 0;
4057                                 }
4058
4059                                 /* Remap devices on Loop. */
4060                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4061
4062                                 if (IS_QLAFX00(vha->hw))
4063                                         qlafx00_configure_devices(vha);
4064                                 else
4065                                         qla2x00_configure_loop(vha);
4066
4067                                 wait_time--;
4068                         } while (!atomic_read(&vha->loop_down_timer) &&
4069                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4070                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4071                                 &vha->dpc_flags)));
4072                 }
4073         }
4074
4075         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4076                 return (QLA_FUNCTION_FAILED);
4077
4078         if (rval)
4079                 ql_dbg(ql_dbg_disc, vha, 0x206c,
4080                     "%s *** FAILED ***.\n", __func__);
4081
4082         return (rval);
4083 }
4084
4085 /*
4086 * qla2x00_perform_loop_resync
4087 * Description: This function will set the appropriate flags and call
4088 *              qla2x00_loop_resync. If successful loop will be resynced
4089 * Arguments : scsi_qla_host_t pointer
4090 * returm    : Success or Failure
4091 */
4092
4093 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
4094 {
4095         int32_t rval = 0;
4096
4097         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
4098                 /*Configure the flags so that resync happens properly*/
4099                 atomic_set(&ha->loop_down_timer, 0);
4100                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
4101                         atomic_set(&ha->loop_state, LOOP_UP);
4102                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4103                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
4104                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4105
4106                         rval = qla2x00_loop_resync(ha);
4107                 } else
4108                         atomic_set(&ha->loop_state, LOOP_DEAD);
4109
4110                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
4111         }
4112
4113         return rval;
4114 }
4115
4116 void
4117 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
4118 {
4119         fc_port_t *fcport;
4120         struct scsi_qla_host *vha;
4121         struct qla_hw_data *ha = base_vha->hw;
4122         unsigned long flags;
4123
4124         spin_lock_irqsave(&ha->vport_slock, flags);
4125         /* Go with deferred removal of rport references. */
4126         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
4127                 atomic_inc(&vha->vref_count);
4128                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4129                         if (fcport->drport &&
4130                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
4131                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4132                                 qla2x00_rport_del(fcport);
4133                                 spin_lock_irqsave(&ha->vport_slock, flags);
4134                         }
4135                 }
4136                 atomic_dec(&vha->vref_count);
4137         }
4138         spin_unlock_irqrestore(&ha->vport_slock, flags);
4139 }
4140
4141 /* Assumes idc_lock always held on entry */
4142 void
4143 qla83xx_reset_ownership(scsi_qla_host_t *vha)
4144 {
4145         struct qla_hw_data *ha = vha->hw;
4146         uint32_t drv_presence, drv_presence_mask;
4147         uint32_t dev_part_info1, dev_part_info2, class_type;
4148         uint32_t class_type_mask = 0x3;
4149         uint16_t fcoe_other_function = 0xffff, i;
4150
4151         if (IS_QLA8044(ha)) {
4152                 drv_presence = qla8044_rd_direct(vha,
4153                     QLA8044_CRB_DRV_ACTIVE_INDEX);
4154                 dev_part_info1 = qla8044_rd_direct(vha,
4155                     QLA8044_CRB_DEV_PART_INFO_INDEX);
4156                 dev_part_info2 = qla8044_rd_direct(vha,
4157                     QLA8044_CRB_DEV_PART_INFO2);
4158         } else {
4159                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4160                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4161                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4162         }
4163         for (i = 0; i < 8; i++) {
4164                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4165                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4166                     (i != ha->portnum)) {
4167                         fcoe_other_function = i;
4168                         break;
4169                 }
4170         }
4171         if (fcoe_other_function == 0xffff) {
4172                 for (i = 0; i < 8; i++) {
4173                         class_type = ((dev_part_info2 >> (i * 4)) &
4174                             class_type_mask);
4175                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4176                             ((i + 8) != ha->portnum)) {
4177                                 fcoe_other_function = i + 8;
4178                                 break;
4179                         }
4180                 }
4181         }
4182         /*
4183          * Prepare drv-presence mask based on fcoe functions present.
4184          * However consider only valid physical fcoe function numbers (0-15).
4185          */
4186         drv_presence_mask = ~((1 << (ha->portnum)) |
4187                         ((fcoe_other_function == 0xffff) ?
4188                          0 : (1 << (fcoe_other_function))));
4189
4190         /* We are the reset owner iff:
4191          *    - No other protocol drivers present.
4192          *    - This is the lowest among fcoe functions. */
4193         if (!(drv_presence & drv_presence_mask) &&
4194                         (ha->portnum < fcoe_other_function)) {
4195                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4196                     "This host is Reset owner.\n");
4197                 ha->flags.nic_core_reset_owner = 1;
4198         }
4199 }
4200
4201 static int
4202 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4203 {
4204         int rval = QLA_SUCCESS;
4205         struct qla_hw_data *ha = vha->hw;
4206         uint32_t drv_ack;
4207
4208         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4209         if (rval == QLA_SUCCESS) {
4210                 drv_ack |= (1 << ha->portnum);
4211                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4212         }
4213
4214         return rval;
4215 }
4216
4217 static int
4218 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4219 {
4220         int rval = QLA_SUCCESS;
4221         struct qla_hw_data *ha = vha->hw;
4222         uint32_t drv_ack;
4223
4224         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4225         if (rval == QLA_SUCCESS) {
4226                 drv_ack &= ~(1 << ha->portnum);
4227                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4228         }
4229
4230         return rval;
4231 }
4232
4233 static const char *
4234 qla83xx_dev_state_to_string(uint32_t dev_state)
4235 {
4236         switch (dev_state) {
4237         case QLA8XXX_DEV_COLD:
4238                 return "COLD/RE-INIT";
4239         case QLA8XXX_DEV_INITIALIZING:
4240                 return "INITIALIZING";
4241         case QLA8XXX_DEV_READY:
4242                 return "READY";
4243         case QLA8XXX_DEV_NEED_RESET:
4244                 return "NEED RESET";
4245         case QLA8XXX_DEV_NEED_QUIESCENT:
4246                 return "NEED QUIESCENT";
4247         case QLA8XXX_DEV_FAILED:
4248                 return "FAILED";
4249         case QLA8XXX_DEV_QUIESCENT:
4250                 return "QUIESCENT";
4251         default:
4252                 return "Unknown";
4253         }
4254 }
4255
4256 /* Assumes idc-lock always held on entry */
4257 void
4258 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4259 {
4260         struct qla_hw_data *ha = vha->hw;
4261         uint32_t idc_audit_reg = 0, duration_secs = 0;
4262
4263         switch (audit_type) {
4264         case IDC_AUDIT_TIMESTAMP:
4265                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4266                 idc_audit_reg = (ha->portnum) |
4267                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4268                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4269                 break;
4270
4271         case IDC_AUDIT_COMPLETION:
4272                 duration_secs = ((jiffies_to_msecs(jiffies) -
4273                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4274                 idc_audit_reg = (ha->portnum) |
4275                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4276                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4277                 break;
4278
4279         default:
4280                 ql_log(ql_log_warn, vha, 0xb078,
4281                     "Invalid audit type specified.\n");
4282                 break;
4283         }
4284 }
4285
4286 /* Assumes idc_lock always held on entry */
4287 static int
4288 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4289 {
4290         struct qla_hw_data *ha = vha->hw;
4291         uint32_t  idc_control, dev_state;
4292
4293         __qla83xx_get_idc_control(vha, &idc_control);
4294         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4295                 ql_log(ql_log_info, vha, 0xb080,
4296                     "NIC Core reset has been disabled. idc-control=0x%x\n",
4297                     idc_control);
4298                 return QLA_FUNCTION_FAILED;
4299         }
4300
4301         /* Set NEED-RESET iff in READY state and we are the reset-owner */
4302         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4303         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4304                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4305                     QLA8XXX_DEV_NEED_RESET);
4306                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4307                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4308         } else {
4309                 const char *state = qla83xx_dev_state_to_string(dev_state);
4310                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4311
4312                 /* SV: XXX: Is timeout required here? */
4313                 /* Wait for IDC state change READY -> NEED_RESET */
4314                 while (dev_state == QLA8XXX_DEV_READY) {
4315                         qla83xx_idc_unlock(vha, 0);
4316                         msleep(200);
4317                         qla83xx_idc_lock(vha, 0);
4318                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4319                 }
4320         }
4321
4322         /* Send IDC ack by writing to drv-ack register */
4323         __qla83xx_set_drv_ack(vha);
4324
4325         return QLA_SUCCESS;
4326 }
4327
4328 int
4329 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4330 {
4331         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4332 }
4333
4334 int
4335 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4336 {
4337         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4338 }
4339
4340 static int
4341 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4342 {
4343         uint32_t drv_presence = 0;
4344         struct qla_hw_data *ha = vha->hw;
4345
4346         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4347         if (drv_presence & (1 << ha->portnum))
4348                 return QLA_SUCCESS;
4349         else
4350                 return QLA_TEST_FAILED;
4351 }
4352
4353 int
4354 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4355 {
4356         int rval = QLA_SUCCESS;
4357         struct qla_hw_data *ha = vha->hw;
4358
4359         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4360             "Entered  %s().\n", __func__);
4361
4362         if (vha->device_flags & DFLG_DEV_FAILED) {
4363                 ql_log(ql_log_warn, vha, 0xb059,
4364                     "Device in unrecoverable FAILED state.\n");
4365                 return QLA_FUNCTION_FAILED;
4366         }
4367
4368         qla83xx_idc_lock(vha, 0);
4369
4370         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4371                 ql_log(ql_log_warn, vha, 0xb05a,
4372                     "Function=0x%x has been removed from IDC participation.\n",
4373                     ha->portnum);
4374                 rval = QLA_FUNCTION_FAILED;
4375                 goto exit;
4376         }
4377
4378         qla83xx_reset_ownership(vha);
4379
4380         rval = qla83xx_initiating_reset(vha);
4381
4382         /*
4383          * Perform reset if we are the reset-owner,
4384          * else wait till IDC state changes to READY/FAILED.
4385          */
4386         if (rval == QLA_SUCCESS) {
4387                 rval = qla83xx_idc_state_handler(vha);
4388
4389                 if (rval == QLA_SUCCESS)
4390                         ha->flags.nic_core_hung = 0;
4391                 __qla83xx_clear_drv_ack(vha);
4392         }
4393
4394 exit:
4395         qla83xx_idc_unlock(vha, 0);
4396
4397         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4398
4399         return rval;
4400 }
4401
4402 int
4403 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4404 {
4405         struct qla_hw_data *ha = vha->hw;
4406         int rval = QLA_FUNCTION_FAILED;
4407
4408         if (!IS_MCTP_CAPABLE(ha)) {
4409                 /* This message can be removed from the final version */
4410                 ql_log(ql_log_info, vha, 0x506d,
4411                     "This board is not MCTP capable\n");
4412                 return rval;
4413         }
4414
4415         if (!ha->mctp_dump) {
4416                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4417                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4418
4419                 if (!ha->mctp_dump) {
4420                         ql_log(ql_log_warn, vha, 0x506e,
4421                             "Failed to allocate memory for mctp dump\n");
4422                         return rval;
4423                 }
4424         }
4425
4426 #define MCTP_DUMP_STR_ADDR      0x00000000
4427         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4428             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4429         if (rval != QLA_SUCCESS) {
4430                 ql_log(ql_log_warn, vha, 0x506f,
4431                     "Failed to capture mctp dump\n");
4432         } else {
4433                 ql_log(ql_log_info, vha, 0x5070,
4434                     "Mctp dump capture for host (%ld/%p).\n",
4435                     vha->host_no, ha->mctp_dump);
4436                 ha->mctp_dumped = 1;
4437         }
4438
4439         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4440                 ha->flags.nic_core_reset_hdlr_active = 1;
4441                 rval = qla83xx_restart_nic_firmware(vha);
4442                 if (rval)
4443                         /* NIC Core reset failed. */
4444                         ql_log(ql_log_warn, vha, 0x5071,
4445                             "Failed to restart nic firmware\n");
4446                 else
4447                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4448                             "Restarted NIC firmware successfully.\n");
4449                 ha->flags.nic_core_reset_hdlr_active = 0;
4450         }
4451
4452         return rval;
4453
4454 }
4455
4456 /*
4457 * qla2x00_quiesce_io
4458 * Description: This function will block the new I/Os
4459 *              Its not aborting any I/Os as context
4460 *              is not destroyed during quiescence
4461 * Arguments: scsi_qla_host_t
4462 * return   : void
4463 */
4464 void
4465 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4466 {
4467         struct qla_hw_data *ha = vha->hw;
4468         struct scsi_qla_host *vp;
4469
4470         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4471             "Quiescing I/O - ha=%p.\n", ha);
4472
4473         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4474         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4475                 atomic_set(&vha->loop_state, LOOP_DOWN);
4476                 qla2x00_mark_all_devices_lost(vha, 0);
4477                 list_for_each_entry(vp, &ha->vp_list, list)
4478                         qla2x00_mark_all_devices_lost(vp, 0);
4479         } else {
4480                 if (!atomic_read(&vha->loop_down_timer))
4481                         atomic_set(&vha->loop_down_timer,
4482                                         LOOP_DOWN_TIME);
4483         }
4484         /* Wait for pending cmds to complete */
4485         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4486 }
4487
4488 void
4489 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4490 {
4491         struct qla_hw_data *ha = vha->hw;
4492         struct scsi_qla_host *vp;
4493         unsigned long flags;
4494         fc_port_t *fcport;
4495
4496         /* For ISP82XX, driver waits for completion of the commands.
4497          * online flag should be set.
4498          */
4499         if (!(IS_P3P_TYPE(ha)))
4500                 vha->flags.online = 0;
4501         ha->flags.chip_reset_done = 0;
4502         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4503         vha->qla_stats.total_isp_aborts++;
4504
4505         ql_log(ql_log_info, vha, 0x00af,
4506             "Performing ISP error recovery - ha=%p.\n", ha);
4507
4508         /* For ISP82XX, reset_chip is just disabling interrupts.
4509          * Driver waits for the completion of the commands.
4510          * the interrupts need to be enabled.
4511          */
4512         if (!(IS_P3P_TYPE(ha)))
4513                 ha->isp_ops->reset_chip(vha);
4514
4515         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4516         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4517                 atomic_set(&vha->loop_state, LOOP_DOWN);
4518                 qla2x00_mark_all_devices_lost(vha, 0);
4519
4520                 spin_lock_irqsave(&ha->vport_slock, flags);
4521                 list_for_each_entry(vp, &ha->vp_list, list) {
4522                         atomic_inc(&vp->vref_count);
4523                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4524
4525                         qla2x00_mark_all_devices_lost(vp, 0);
4526
4527                         spin_lock_irqsave(&ha->vport_slock, flags);
4528                         atomic_dec(&vp->vref_count);
4529                 }
4530                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4531         } else {
4532                 if (!atomic_read(&vha->loop_down_timer))
4533                         atomic_set(&vha->loop_down_timer,
4534                             LOOP_DOWN_TIME);
4535         }
4536
4537         /* Clear all async request states across all VPs. */
4538         list_for_each_entry(fcport, &vha->vp_fcports, list)
4539                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4540         spin_lock_irqsave(&ha->vport_slock, flags);
4541         list_for_each_entry(vp, &ha->vp_list, list) {
4542                 atomic_inc(&vp->vref_count);
4543                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4544
4545                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4546                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4547
4548                 spin_lock_irqsave(&ha->vport_slock, flags);
4549                 atomic_dec(&vp->vref_count);
4550         }
4551         spin_unlock_irqrestore(&ha->vport_slock, flags);
4552
4553         if (!ha->flags.eeh_busy) {
4554                 /* Make sure for ISP 82XX IO DMA is complete */
4555                 if (IS_P3P_TYPE(ha)) {
4556                         qla82xx_chip_reset_cleanup(vha);
4557                         ql_log(ql_log_info, vha, 0x00b4,
4558                             "Done chip reset cleanup.\n");
4559
4560                         /* Done waiting for pending commands.
4561                          * Reset the online flag.
4562                          */
4563                         vha->flags.online = 0;
4564                 }
4565
4566                 /* Requeue all commands in outstanding command list. */
4567                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4568         }
4569 }
4570
4571 /*
4572 *  qla2x00_abort_isp
4573 *      Resets ISP and aborts all outstanding commands.
4574 *
4575 * Input:
4576 *      ha           = adapter block pointer.
4577 *
4578 * Returns:
4579 *      0 = success
4580 */
4581 int
4582 qla2x00_abort_isp(scsi_qla_host_t *vha)
4583 {
4584         int rval;
4585         uint8_t        status = 0;
4586         struct qla_hw_data *ha = vha->hw;
4587         struct scsi_qla_host *vp;
4588         struct req_que *req = ha->req_q_map[0];
4589         unsigned long flags;
4590
4591         if (vha->flags.online) {
4592                 qla2x00_abort_isp_cleanup(vha);
4593
4594                 if (IS_QLA8031(ha)) {
4595                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4596                             "Clearing fcoe driver presence.\n");
4597                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4598                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4599                                     "Error while clearing DRV-Presence.\n");
4600                 }
4601
4602                 if (unlikely(pci_channel_offline(ha->pdev) &&
4603                     ha->flags.pci_channel_io_perm_failure)) {
4604                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4605                         status = 0;
4606                         return status;
4607                 }
4608
4609                 ha->isp_ops->get_flash_version(vha, req->ring);
4610
4611                 ha->isp_ops->nvram_config(vha);
4612
4613                 if (!qla2x00_restart_isp(vha)) {
4614                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4615
4616                         if (!atomic_read(&vha->loop_down_timer)) {
4617                                 /*
4618                                  * Issue marker command only when we are going
4619                                  * to start the I/O .
4620                                  */
4621                                 vha->marker_needed = 1;
4622                         }
4623
4624                         vha->flags.online = 1;
4625
4626                         ha->isp_ops->enable_intrs(ha);
4627
4628                         ha->isp_abort_cnt = 0;
4629                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4630
4631                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4632                                 qla2x00_get_fw_version(vha);
4633                         if (ha->fce) {
4634                                 ha->flags.fce_enabled = 1;
4635                                 memset(ha->fce, 0,
4636                                     fce_calc_size(ha->fce_bufs));
4637                                 rval = qla2x00_enable_fce_trace(vha,
4638                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4639                                     &ha->fce_bufs);
4640                                 if (rval) {
4641                                         ql_log(ql_log_warn, vha, 0x8033,
4642                                             "Unable to reinitialize FCE "
4643                                             "(%d).\n", rval);
4644                                         ha->flags.fce_enabled = 0;
4645                                 }
4646                         }
4647
4648                         if (ha->eft) {
4649                                 memset(ha->eft, 0, EFT_SIZE);
4650                                 rval = qla2x00_enable_eft_trace(vha,
4651                                     ha->eft_dma, EFT_NUM_BUFFERS);
4652                                 if (rval) {
4653                                         ql_log(ql_log_warn, vha, 0x8034,
4654                                             "Unable to reinitialize EFT "
4655                                             "(%d).\n", rval);
4656                                 }
4657                         }
4658                 } else {        /* failed the ISP abort */
4659                         vha->flags.online = 1;
4660                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4661                                 if (ha->isp_abort_cnt == 0) {
4662                                         ql_log(ql_log_fatal, vha, 0x8035,
4663                                             "ISP error recover failed - "
4664                                             "board disabled.\n");
4665                                         /*
4666                                          * The next call disables the board
4667                                          * completely.
4668                                          */
4669                                         ha->isp_ops->reset_adapter(vha);
4670                                         vha->flags.online = 0;
4671                                         clear_bit(ISP_ABORT_RETRY,
4672                                             &vha->dpc_flags);
4673                                         status = 0;
4674                                 } else { /* schedule another ISP abort */
4675                                         ha->isp_abort_cnt--;
4676                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4677                                             "ISP abort - retry remaining %d.\n",
4678                                             ha->isp_abort_cnt);
4679                                         status = 1;
4680                                 }
4681                         } else {
4682                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4683                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4684                                     "ISP error recovery - retrying (%d) "
4685                                     "more times.\n", ha->isp_abort_cnt);
4686                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4687                                 status = 1;
4688                         }
4689                 }
4690
4691         }
4692
4693         if (!status) {
4694                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4695
4696                 spin_lock_irqsave(&ha->vport_slock, flags);
4697                 list_for_each_entry(vp, &ha->vp_list, list) {
4698                         if (vp->vp_idx) {
4699                                 atomic_inc(&vp->vref_count);
4700                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4701
4702                                 qla2x00_vp_abort_isp(vp);
4703
4704                                 spin_lock_irqsave(&ha->vport_slock, flags);
4705                                 atomic_dec(&vp->vref_count);
4706                         }
4707                 }
4708                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4709
4710                 if (IS_QLA8031(ha)) {
4711                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4712                             "Setting back fcoe driver presence.\n");
4713                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4714                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4715                                     "Error while setting DRV-Presence.\n");
4716                 }
4717         } else {
4718                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4719                        __func__);
4720         }
4721
4722         return(status);
4723 }
4724
4725 /*
4726 *  qla2x00_restart_isp
4727 *      restarts the ISP after a reset
4728 *
4729 * Input:
4730 *      ha = adapter block pointer.
4731 *
4732 * Returns:
4733 *      0 = success
4734 */
4735 static int
4736 qla2x00_restart_isp(scsi_qla_host_t *vha)
4737 {
4738         int status = 0;
4739         struct qla_hw_data *ha = vha->hw;
4740         struct req_que *req = ha->req_q_map[0];
4741         struct rsp_que *rsp = ha->rsp_q_map[0];
4742         unsigned long flags;
4743
4744         /* If firmware needs to be loaded */
4745         if (qla2x00_isp_firmware(vha)) {
4746                 vha->flags.online = 0;
4747                 status = ha->isp_ops->chip_diag(vha);
4748                 if (!status)
4749                         status = qla2x00_setup_chip(vha);
4750         }
4751
4752         if (!status && !(status = qla2x00_init_rings(vha))) {
4753                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4754                 ha->flags.chip_reset_done = 1;
4755
4756                 /* Initialize the queues in use */
4757                 qla25xx_init_queues(ha);
4758
4759                 status = qla2x00_fw_ready(vha);
4760                 if (!status) {
4761                         /* Issue a marker after FW becomes ready. */
4762                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4763
4764                         vha->flags.online = 1;
4765
4766                         /*
4767                          * Process any ATIO queue entries that came in
4768                          * while we weren't online.
4769                          */
4770                         spin_lock_irqsave(&ha->hardware_lock, flags);
4771                         if (qla_tgt_mode_enabled(vha))
4772                                 qlt_24xx_process_atio_queue(vha);
4773                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4774
4775                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4776                 }
4777
4778                 /* if no cable then assume it's good */
4779                 if ((vha->device_flags & DFLG_NO_CABLE))
4780                         status = 0;
4781         }
4782         return (status);
4783 }
4784
4785 static int
4786 qla25xx_init_queues(struct qla_hw_data *ha)
4787 {
4788         struct rsp_que *rsp = NULL;
4789         struct req_que *req = NULL;
4790         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4791         int ret = -1;
4792         int i;
4793
4794         for (i = 1; i < ha->max_rsp_queues; i++) {
4795                 rsp = ha->rsp_q_map[i];
4796                 if (rsp) {
4797                         rsp->options &= ~BIT_0;
4798                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4799                         if (ret != QLA_SUCCESS)
4800                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4801                                     "%s Rsp que: %d init failed.\n",
4802                                     __func__, rsp->id);
4803                         else
4804                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4805                                     "%s Rsp que: %d inited.\n",
4806                                     __func__, rsp->id);
4807                 }
4808         }
4809         for (i = 1; i < ha->max_req_queues; i++) {
4810                 req = ha->req_q_map[i];
4811                 if (req) {
4812                 /* Clear outstanding commands array. */
4813                         req->options &= ~BIT_0;
4814                         ret = qla25xx_init_req_que(base_vha, req);
4815                         if (ret != QLA_SUCCESS)
4816                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4817                                     "%s Req que: %d init failed.\n",
4818                                     __func__, req->id);
4819                         else
4820                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4821                                     "%s Req que: %d inited.\n",
4822                                     __func__, req->id);
4823                 }
4824         }
4825         return ret;
4826 }
4827
4828 /*
4829 * qla2x00_reset_adapter
4830 *      Reset adapter.
4831 *
4832 * Input:
4833 *      ha = adapter block pointer.
4834 */
4835 void
4836 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4837 {
4838         unsigned long flags = 0;
4839         struct qla_hw_data *ha = vha->hw;
4840         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4841
4842         vha->flags.online = 0;
4843         ha->isp_ops->disable_intrs(ha);
4844
4845         spin_lock_irqsave(&ha->hardware_lock, flags);
4846         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4847         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4848         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4849         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4850         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4851 }
4852
4853 void
4854 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4855 {
4856         unsigned long flags = 0;
4857         struct qla_hw_data *ha = vha->hw;
4858         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4859
4860         if (IS_P3P_TYPE(ha))
4861                 return;
4862
4863         vha->flags.online = 0;
4864         ha->isp_ops->disable_intrs(ha);
4865
4866         spin_lock_irqsave(&ha->hardware_lock, flags);
4867         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4868         RD_REG_DWORD(&reg->hccr);
4869         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4870         RD_REG_DWORD(&reg->hccr);
4871         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4872
4873         if (IS_NOPOLLING_TYPE(ha))
4874                 ha->isp_ops->enable_intrs(ha);
4875 }
4876
4877 /* On sparc systems, obtain port and node WWN from firmware
4878  * properties.
4879  */
4880 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4881         struct nvram_24xx *nv)
4882 {
4883 #ifdef CONFIG_SPARC
4884         struct qla_hw_data *ha = vha->hw;
4885         struct pci_dev *pdev = ha->pdev;
4886         struct device_node *dp = pci_device_to_OF_node(pdev);
4887         const u8 *val;
4888         int len;
4889
4890         val = of_get_property(dp, "port-wwn", &len);
4891         if (val && len >= WWN_SIZE)
4892                 memcpy(nv->port_name, val, WWN_SIZE);
4893
4894         val = of_get_property(dp, "node-wwn", &len);
4895         if (val && len >= WWN_SIZE)
4896                 memcpy(nv->node_name, val, WWN_SIZE);
4897 #endif
4898 }
4899
4900 int
4901 qla24xx_nvram_config(scsi_qla_host_t *vha)
4902 {
4903         int   rval;
4904         struct init_cb_24xx *icb;
4905         struct nvram_24xx *nv;
4906         uint32_t *dptr;
4907         uint8_t  *dptr1, *dptr2;
4908         uint32_t chksum;
4909         uint16_t cnt;
4910         struct qla_hw_data *ha = vha->hw;
4911
4912         rval = QLA_SUCCESS;
4913         icb = (struct init_cb_24xx *)ha->init_cb;
4914         nv = ha->nvram;
4915
4916         /* Determine NVRAM starting address. */
4917         if (ha->port_no == 0) {
4918                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4919                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4920         } else {
4921                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4922                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4923         }
4924
4925         ha->nvram_size = sizeof(struct nvram_24xx);
4926         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4927
4928         /* Get VPD data into cache */
4929         ha->vpd = ha->nvram + VPD_OFFSET;
4930         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4931             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4932
4933         /* Get NVRAM data into cache and calculate checksum. */
4934         dptr = (uint32_t *)nv;
4935         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4936             ha->nvram_size);
4937         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4938                 chksum += le32_to_cpu(*dptr++);
4939
4940         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4941             "Contents of NVRAM\n");
4942         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4943             (uint8_t *)nv, ha->nvram_size);
4944
4945         /* Bad NVRAM data, set defaults parameters. */
4946         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4947             || nv->id[3] != ' ' ||
4948             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4949                 /* Reset NVRAM data. */
4950                 ql_log(ql_log_warn, vha, 0x006b,
4951                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
4952                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4953                 ql_log(ql_log_warn, vha, 0x006c,
4954                     "Falling back to functioning (yet invalid -- WWPN) "
4955                     "defaults.\n");
4956
4957                 /*
4958                  * Set default initialization control block.
4959                  */
4960                 memset(nv, 0, ha->nvram_size);
4961                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4962                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4963                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4964                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4965                 nv->exchange_count = __constant_cpu_to_le16(0);
4966                 nv->hard_address = __constant_cpu_to_le16(124);
4967                 nv->port_name[0] = 0x21;
4968                 nv->port_name[1] = 0x00 + ha->port_no + 1;
4969                 nv->port_name[2] = 0x00;
4970                 nv->port_name[3] = 0xe0;
4971                 nv->port_name[4] = 0x8b;
4972                 nv->port_name[5] = 0x1c;
4973                 nv->port_name[6] = 0x55;
4974                 nv->port_name[7] = 0x86;
4975                 nv->node_name[0] = 0x20;
4976                 nv->node_name[1] = 0x00;
4977                 nv->node_name[2] = 0x00;
4978                 nv->node_name[3] = 0xe0;
4979                 nv->node_name[4] = 0x8b;
4980                 nv->node_name[5] = 0x1c;
4981                 nv->node_name[6] = 0x55;
4982                 nv->node_name[7] = 0x86;
4983                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4984                 nv->login_retry_count = __constant_cpu_to_le16(8);
4985                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4986                 nv->login_timeout = __constant_cpu_to_le16(0);
4987                 nv->firmware_options_1 =
4988                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4989                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4990                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4991                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4992                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4993                 nv->efi_parameters = __constant_cpu_to_le32(0);
4994                 nv->reset_delay = 5;
4995                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4996                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4997                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4998
4999                 rval = 1;
5000         }
5001
5002         if (!qla_ini_mode_enabled(vha)) {
5003                 /* Don't enable full login after initial LIP */
5004                 nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
5005                 /* Don't enable LIP full login for initiator */
5006                 nv->host_p &= __constant_cpu_to_le32(~BIT_10);
5007         }
5008
5009         qlt_24xx_config_nvram_stage1(vha, nv);
5010
5011         /* Reset Initialization control block */
5012         memset(icb, 0, ha->init_cb_size);
5013
5014         /* Copy 1st segment. */
5015         dptr1 = (uint8_t *)icb;
5016         dptr2 = (uint8_t *)&nv->version;
5017         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5018         while (cnt--)
5019                 *dptr1++ = *dptr2++;
5020
5021         icb->login_retry_count = nv->login_retry_count;
5022         icb->link_down_on_nos = nv->link_down_on_nos;
5023
5024         /* Copy 2nd segment. */
5025         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5026         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5027         cnt = (uint8_t *)&icb->reserved_3 -
5028             (uint8_t *)&icb->interrupt_delay_timer;
5029         while (cnt--)
5030                 *dptr1++ = *dptr2++;
5031
5032         /*
5033          * Setup driver NVRAM options.
5034          */
5035         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5036             "QLA2462");
5037
5038         qlt_24xx_config_nvram_stage2(vha, icb);
5039
5040         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5041                 /* Use alternate WWN? */
5042                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5043                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5044         }
5045
5046         /* Prepare nodename */
5047         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5048                 /*
5049                  * Firmware will apply the following mask if the nodename was
5050                  * not provided.
5051                  */
5052                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5053                 icb->node_name[0] &= 0xF0;
5054         }
5055
5056         /* Set host adapter parameters. */
5057         ha->flags.disable_risc_code_load = 0;
5058         ha->flags.enable_lip_reset = 0;
5059         ha->flags.enable_lip_full_login =
5060             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5061         ha->flags.enable_target_reset =
5062             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5063         ha->flags.enable_led_scheme = 0;
5064         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5065
5066         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5067             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5068
5069         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
5070             sizeof(ha->fw_seriallink_options24));
5071
5072         /* save HBA serial number */
5073         ha->serial0 = icb->port_name[5];
5074         ha->serial1 = icb->port_name[6];
5075         ha->serial2 = icb->port_name[7];
5076         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5077         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5078
5079         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5080
5081         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5082
5083         /* Set minimum login_timeout to 4 seconds. */
5084         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5085                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5086         if (le16_to_cpu(nv->login_timeout) < 4)
5087                 nv->login_timeout = __constant_cpu_to_le16(4);
5088         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5089         icb->login_timeout = nv->login_timeout;
5090
5091         /* Set minimum RATOV to 100 tenths of a second. */
5092         ha->r_a_tov = 100;
5093
5094         ha->loop_reset_delay = nv->reset_delay;
5095
5096         /* Link Down Timeout = 0:
5097          *
5098          *      When Port Down timer expires we will start returning
5099          *      I/O's to OS with "DID_NO_CONNECT".
5100          *
5101          * Link Down Timeout != 0:
5102          *
5103          *       The driver waits for the link to come up after link down
5104          *       before returning I/Os to OS with "DID_NO_CONNECT".
5105          */
5106         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5107                 ha->loop_down_abort_time =
5108                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5109         } else {
5110                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5111                 ha->loop_down_abort_time =
5112                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5113         }
5114
5115         /* Need enough time to try and get the port back. */
5116         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5117         if (qlport_down_retry)
5118                 ha->port_down_retry_count = qlport_down_retry;
5119
5120         /* Set login_retry_count */
5121         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5122         if (ha->port_down_retry_count ==
5123             le16_to_cpu(nv->port_down_retry_count) &&
5124             ha->port_down_retry_count > 3)
5125                 ha->login_retry_count = ha->port_down_retry_count;
5126         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5127                 ha->login_retry_count = ha->port_down_retry_count;
5128         if (ql2xloginretrycount)
5129                 ha->login_retry_count = ql2xloginretrycount;
5130
5131         /* Enable ZIO. */
5132         if (!vha->flags.init_done) {
5133                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5134                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5135                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5136                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5137         }
5138         icb->firmware_options_2 &= __constant_cpu_to_le32(
5139             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5140         vha->flags.process_response_queue = 0;
5141         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5142                 ha->zio_mode = QLA_ZIO_MODE_6;
5143
5144                 ql_log(ql_log_info, vha, 0x006f,
5145                     "ZIO mode %d enabled; timer delay (%d us).\n",
5146                     ha->zio_mode, ha->zio_timer * 100);
5147
5148                 icb->firmware_options_2 |= cpu_to_le32(
5149                     (uint32_t)ha->zio_mode);
5150                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5151                 vha->flags.process_response_queue = 1;
5152         }
5153
5154         if (rval) {
5155                 ql_log(ql_log_warn, vha, 0x0070,
5156                     "NVRAM configuration failed.\n");
5157         }
5158         return (rval);
5159 }
5160
5161 static int
5162 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5163     uint32_t faddr)
5164 {
5165         int     rval = QLA_SUCCESS;
5166         int     segments, fragment;
5167         uint32_t *dcode, dlen;
5168         uint32_t risc_addr;
5169         uint32_t risc_size;
5170         uint32_t i;
5171         struct qla_hw_data *ha = vha->hw;
5172         struct req_que *req = ha->req_q_map[0];
5173
5174         ql_dbg(ql_dbg_init, vha, 0x008b,
5175             "FW: Loading firmware from flash (%x).\n", faddr);
5176
5177         rval = QLA_SUCCESS;
5178
5179         segments = FA_RISC_CODE_SEGMENTS;
5180         dcode = (uint32_t *)req->ring;
5181         *srisc_addr = 0;
5182
5183         /* Validate firmware image by checking version. */
5184         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5185         for (i = 0; i < 4; i++)
5186                 dcode[i] = be32_to_cpu(dcode[i]);
5187         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5188             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5189             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5190                 dcode[3] == 0)) {
5191                 ql_log(ql_log_fatal, vha, 0x008c,
5192                     "Unable to verify the integrity of flash firmware "
5193                     "image.\n");
5194                 ql_log(ql_log_fatal, vha, 0x008d,
5195                     "Firmware data: %08x %08x %08x %08x.\n",
5196                     dcode[0], dcode[1], dcode[2], dcode[3]);
5197
5198                 return QLA_FUNCTION_FAILED;
5199         }
5200
5201         while (segments && rval == QLA_SUCCESS) {
5202                 /* Read segment's load information. */
5203                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5204
5205                 risc_addr = be32_to_cpu(dcode[2]);
5206                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5207                 risc_size = be32_to_cpu(dcode[3]);
5208
5209                 fragment = 0;
5210                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5211                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5212                         if (dlen > risc_size)
5213                                 dlen = risc_size;
5214
5215                         ql_dbg(ql_dbg_init, vha, 0x008e,
5216                             "Loading risc segment@ risc addr %x "
5217                             "number of dwords 0x%x offset 0x%x.\n",
5218                             risc_addr, dlen, faddr);
5219
5220                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5221                         for (i = 0; i < dlen; i++)
5222                                 dcode[i] = swab32(dcode[i]);
5223
5224                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5225                             dlen);
5226                         if (rval) {
5227                                 ql_log(ql_log_fatal, vha, 0x008f,
5228                                     "Failed to load segment %d of firmware.\n",
5229                                     fragment);
5230                                 break;
5231                         }
5232
5233                         faddr += dlen;
5234                         risc_addr += dlen;
5235                         risc_size -= dlen;
5236                         fragment++;
5237                 }
5238
5239                 /* Next segment. */
5240                 segments--;
5241         }
5242
5243         if (!IS_QLA27XX(ha))
5244                 return rval;
5245
5246         if (ha->fw_dump_template)
5247                 vfree(ha->fw_dump_template);
5248         ha->fw_dump_template = NULL;
5249         ha->fw_dump_template_len = 0;
5250
5251         ql_dbg(ql_dbg_init, vha, 0x0161,
5252             "Loading fwdump template from %x\n", faddr);
5253         qla24xx_read_flash_data(vha, dcode, faddr, 7);
5254         risc_size = be32_to_cpu(dcode[2]);
5255         ql_dbg(ql_dbg_init, vha, 0x0162,
5256             "-> array size %x dwords\n", risc_size);
5257         if (risc_size == 0 || risc_size == ~0)
5258                 goto default_template;
5259
5260         dlen = (risc_size - 8) * sizeof(*dcode);
5261         ql_dbg(ql_dbg_init, vha, 0x0163,
5262             "-> template allocating %x bytes...\n", dlen);
5263         ha->fw_dump_template = vmalloc(dlen);
5264         if (!ha->fw_dump_template) {
5265                 ql_log(ql_log_warn, vha, 0x0164,
5266                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5267                 goto default_template;
5268         }
5269
5270         faddr += 7;
5271         risc_size -= 8;
5272         dcode = ha->fw_dump_template;
5273         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
5274         for (i = 0; i < risc_size; i++)
5275                 dcode[i] = le32_to_cpu(dcode[i]);
5276
5277         if (!qla27xx_fwdt_template_valid(dcode)) {
5278                 ql_log(ql_log_warn, vha, 0x0165,
5279                     "Failed fwdump template validate\n");
5280                 goto default_template;
5281         }
5282
5283         dlen = qla27xx_fwdt_template_size(dcode);
5284         ql_dbg(ql_dbg_init, vha, 0x0166,
5285             "-> template size %x bytes\n", dlen);
5286         if (dlen > risc_size * sizeof(*dcode)) {
5287                 ql_log(ql_log_warn, vha, 0x0167,
5288                     "Failed fwdump template exceeds array by %x bytes\n",
5289                     (uint32_t)(dlen - risc_size * sizeof(*dcode)));
5290                 goto default_template;
5291         }
5292         ha->fw_dump_template_len = dlen;
5293         return rval;
5294
5295 default_template:
5296         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
5297         if (ha->fw_dump_template)
5298                 vfree(ha->fw_dump_template);
5299         ha->fw_dump_template = NULL;
5300         ha->fw_dump_template_len = 0;
5301
5302         dlen = qla27xx_fwdt_template_default_size();
5303         ql_dbg(ql_dbg_init, vha, 0x0169,
5304             "-> template allocating %x bytes...\n", dlen);
5305         ha->fw_dump_template = vmalloc(dlen);
5306         if (!ha->fw_dump_template) {
5307                 ql_log(ql_log_warn, vha, 0x016a,
5308                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5309                 goto failed_template;
5310         }
5311
5312         dcode = ha->fw_dump_template;
5313         risc_size = dlen / sizeof(*dcode);
5314         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
5315         for (i = 0; i < risc_size; i++)
5316                 dcode[i] = be32_to_cpu(dcode[i]);
5317
5318         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5319                 ql_log(ql_log_warn, vha, 0x016b,
5320                     "Failed fwdump template validate\n");
5321                 goto failed_template;
5322         }
5323
5324         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5325         ql_dbg(ql_dbg_init, vha, 0x016c,
5326             "-> template size %x bytes\n", dlen);
5327         ha->fw_dump_template_len = dlen;
5328         return rval;
5329
5330 failed_template:
5331         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
5332         if (ha->fw_dump_template)
5333                 vfree(ha->fw_dump_template);
5334         ha->fw_dump_template = NULL;
5335         ha->fw_dump_template_len = 0;
5336         return rval;
5337 }
5338
5339 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5340
5341 int
5342 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5343 {
5344         int     rval;
5345         int     i, fragment;
5346         uint16_t *wcode, *fwcode;
5347         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5348         struct fw_blob *blob;
5349         struct qla_hw_data *ha = vha->hw;
5350         struct req_que *req = ha->req_q_map[0];
5351
5352         /* Load firmware blob. */
5353         blob = qla2x00_request_firmware(vha);
5354         if (!blob) {
5355                 ql_log(ql_log_info, vha, 0x0083,
5356                     "Fimware image unavailable.\n");
5357                 ql_log(ql_log_info, vha, 0x0084,
5358                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5359                 return QLA_FUNCTION_FAILED;
5360         }
5361
5362         rval = QLA_SUCCESS;
5363
5364         wcode = (uint16_t *)req->ring;
5365         *srisc_addr = 0;
5366         fwcode = (uint16_t *)blob->fw->data;
5367         fwclen = 0;
5368
5369         /* Validate firmware image by checking version. */
5370         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5371                 ql_log(ql_log_fatal, vha, 0x0085,
5372                     "Unable to verify integrity of firmware image (%Zd).\n",
5373                     blob->fw->size);
5374                 goto fail_fw_integrity;
5375         }
5376         for (i = 0; i < 4; i++)
5377                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5378         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5379             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5380                 wcode[2] == 0 && wcode[3] == 0)) {
5381                 ql_log(ql_log_fatal, vha, 0x0086,
5382                     "Unable to verify integrity of firmware image.\n");
5383                 ql_log(ql_log_fatal, vha, 0x0087,
5384                     "Firmware data: %04x %04x %04x %04x.\n",
5385                     wcode[0], wcode[1], wcode[2], wcode[3]);
5386                 goto fail_fw_integrity;
5387         }
5388
5389         seg = blob->segs;
5390         while (*seg && rval == QLA_SUCCESS) {
5391                 risc_addr = *seg;
5392                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5393                 risc_size = be16_to_cpu(fwcode[3]);
5394
5395                 /* Validate firmware image size. */
5396                 fwclen += risc_size * sizeof(uint16_t);
5397                 if (blob->fw->size < fwclen) {
5398                         ql_log(ql_log_fatal, vha, 0x0088,
5399                             "Unable to verify integrity of firmware image "
5400                             "(%Zd).\n", blob->fw->size);
5401                         goto fail_fw_integrity;
5402                 }
5403
5404                 fragment = 0;
5405                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5406                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5407                         if (wlen > risc_size)
5408                                 wlen = risc_size;
5409                         ql_dbg(ql_dbg_init, vha, 0x0089,
5410                             "Loading risc segment@ risc addr %x number of "
5411                             "words 0x%x.\n", risc_addr, wlen);
5412
5413                         for (i = 0; i < wlen; i++)
5414                                 wcode[i] = swab16(fwcode[i]);
5415
5416                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5417                             wlen);
5418                         if (rval) {
5419                                 ql_log(ql_log_fatal, vha, 0x008a,
5420                                     "Failed to load segment %d of firmware.\n",
5421                                     fragment);
5422                                 break;
5423                         }
5424
5425                         fwcode += wlen;
5426                         risc_addr += wlen;
5427                         risc_size -= wlen;
5428                         fragment++;
5429                 }
5430
5431                 /* Next segment. */
5432                 seg++;
5433         }
5434         return rval;
5435
5436 fail_fw_integrity:
5437         return QLA_FUNCTION_FAILED;
5438 }
5439
5440 static int
5441 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5442 {
5443         int     rval;
5444         int     segments, fragment;
5445         uint32_t *dcode, dlen;
5446         uint32_t risc_addr;
5447         uint32_t risc_size;
5448         uint32_t i;
5449         struct fw_blob *blob;
5450         const uint32_t *fwcode;
5451         uint32_t fwclen;
5452         struct qla_hw_data *ha = vha->hw;
5453         struct req_que *req = ha->req_q_map[0];
5454
5455         /* Load firmware blob. */
5456         blob = qla2x00_request_firmware(vha);
5457         if (!blob) {
5458                 ql_log(ql_log_warn, vha, 0x0090,
5459                     "Fimware image unavailable.\n");
5460                 ql_log(ql_log_warn, vha, 0x0091,
5461                     "Firmware images can be retrieved from: "
5462                     QLA_FW_URL ".\n");
5463
5464                 return QLA_FUNCTION_FAILED;
5465         }
5466
5467         ql_dbg(ql_dbg_init, vha, 0x0092,
5468             "FW: Loading via request-firmware.\n");
5469
5470         rval = QLA_SUCCESS;
5471
5472         segments = FA_RISC_CODE_SEGMENTS;
5473         dcode = (uint32_t *)req->ring;
5474         *srisc_addr = 0;
5475         fwcode = (uint32_t *)blob->fw->data;
5476         fwclen = 0;
5477
5478         /* Validate firmware image by checking version. */
5479         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5480                 ql_log(ql_log_fatal, vha, 0x0093,
5481                     "Unable to verify integrity of firmware image (%Zd).\n",
5482                     blob->fw->size);
5483                 return QLA_FUNCTION_FAILED;
5484         }
5485         for (i = 0; i < 4; i++)
5486                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5487         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5488             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5489             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5490                 dcode[3] == 0)) {
5491                 ql_log(ql_log_fatal, vha, 0x0094,
5492                     "Unable to verify integrity of firmware image (%Zd).\n",
5493                     blob->fw->size);
5494                 ql_log(ql_log_fatal, vha, 0x0095,
5495                     "Firmware data: %08x %08x %08x %08x.\n",
5496                     dcode[0], dcode[1], dcode[2], dcode[3]);
5497                 return QLA_FUNCTION_FAILED;
5498         }
5499
5500         while (segments && rval == QLA_SUCCESS) {
5501                 risc_addr = be32_to_cpu(fwcode[2]);
5502                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5503                 risc_size = be32_to_cpu(fwcode[3]);
5504
5505                 /* Validate firmware image size. */
5506                 fwclen += risc_size * sizeof(uint32_t);
5507                 if (blob->fw->size < fwclen) {
5508                         ql_log(ql_log_fatal, vha, 0x0096,
5509                             "Unable to verify integrity of firmware image "
5510                             "(%Zd).\n", blob->fw->size);
5511                         return QLA_FUNCTION_FAILED;
5512                 }
5513
5514                 fragment = 0;
5515                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5516                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5517                         if (dlen > risc_size)
5518                                 dlen = risc_size;
5519
5520                         ql_dbg(ql_dbg_init, vha, 0x0097,
5521                             "Loading risc segment@ risc addr %x "
5522                             "number of dwords 0x%x.\n", risc_addr, dlen);
5523
5524                         for (i = 0; i < dlen; i++)
5525                                 dcode[i] = swab32(fwcode[i]);
5526
5527                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5528                             dlen);
5529                         if (rval) {
5530                                 ql_log(ql_log_fatal, vha, 0x0098,
5531                                     "Failed to load segment %d of firmware.\n",
5532                                     fragment);
5533                                 break;
5534                         }
5535
5536                         fwcode += dlen;
5537                         risc_addr += dlen;
5538                         risc_size -= dlen;
5539                         fragment++;
5540                 }
5541
5542                 /* Next segment. */
5543                 segments--;
5544         }
5545
5546         if (!IS_QLA27XX(ha))
5547                 return rval;
5548
5549         if (ha->fw_dump_template)
5550                 vfree(ha->fw_dump_template);
5551         ha->fw_dump_template = NULL;
5552         ha->fw_dump_template_len = 0;
5553
5554         ql_dbg(ql_dbg_init, vha, 0x171,
5555             "Loading fwdump template from %x\n",
5556             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
5557         risc_size = be32_to_cpu(fwcode[2]);
5558         ql_dbg(ql_dbg_init, vha, 0x172,
5559             "-> array size %x dwords\n", risc_size);
5560         if (risc_size == 0 || risc_size == ~0)
5561                 goto default_template;
5562
5563         dlen = (risc_size - 8) * sizeof(*fwcode);
5564         ql_dbg(ql_dbg_init, vha, 0x0173,
5565             "-> template allocating %x bytes...\n", dlen);
5566         ha->fw_dump_template = vmalloc(dlen);
5567         if (!ha->fw_dump_template) {
5568                 ql_log(ql_log_warn, vha, 0x0174,
5569                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5570                 goto default_template;
5571         }
5572
5573         fwcode += 7;
5574         risc_size -= 8;
5575         dcode = ha->fw_dump_template;
5576         for (i = 0; i < risc_size; i++)
5577                 dcode[i] = le32_to_cpu(fwcode[i]);
5578
5579         if (!qla27xx_fwdt_template_valid(dcode)) {
5580                 ql_log(ql_log_warn, vha, 0x0175,
5581                     "Failed fwdump template validate\n");
5582                 goto default_template;
5583         }
5584
5585         dlen = qla27xx_fwdt_template_size(dcode);
5586         ql_dbg(ql_dbg_init, vha, 0x0176,
5587             "-> template size %x bytes\n", dlen);
5588         if (dlen > risc_size * sizeof(*fwcode)) {
5589                 ql_log(ql_log_warn, vha, 0x0177,
5590                     "Failed fwdump template exceeds array by %x bytes\n",
5591                     (uint32_t)(dlen - risc_size * sizeof(*fwcode)));
5592                 goto default_template;
5593         }
5594         ha->fw_dump_template_len = dlen;
5595         return rval;
5596
5597 default_template:
5598         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
5599         if (ha->fw_dump_template)
5600                 vfree(ha->fw_dump_template);
5601         ha->fw_dump_template = NULL;
5602         ha->fw_dump_template_len = 0;
5603
5604         dlen = qla27xx_fwdt_template_default_size();
5605         ql_dbg(ql_dbg_init, vha, 0x0179,
5606             "-> template allocating %x bytes...\n", dlen);
5607         ha->fw_dump_template = vmalloc(dlen);
5608         if (!ha->fw_dump_template) {
5609                 ql_log(ql_log_warn, vha, 0x017a,
5610                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5611                 goto failed_template;
5612         }
5613
5614         dcode = ha->fw_dump_template;
5615         risc_size = dlen / sizeof(*fwcode);
5616         fwcode = qla27xx_fwdt_template_default();
5617         for (i = 0; i < risc_size; i++)
5618                 dcode[i] = be32_to_cpu(fwcode[i]);
5619
5620         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5621                 ql_log(ql_log_warn, vha, 0x017b,
5622                     "Failed fwdump template validate\n");
5623                 goto failed_template;
5624         }
5625
5626         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5627         ql_dbg(ql_dbg_init, vha, 0x017c,
5628             "-> template size %x bytes\n", dlen);
5629         ha->fw_dump_template_len = dlen;
5630         return rval;
5631
5632 failed_template:
5633         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
5634         if (ha->fw_dump_template)
5635                 vfree(ha->fw_dump_template);
5636         ha->fw_dump_template = NULL;
5637         ha->fw_dump_template_len = 0;
5638         return rval;
5639 }
5640
5641 int
5642 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5643 {
5644         int rval;
5645
5646         if (ql2xfwloadbin == 1)
5647                 return qla81xx_load_risc(vha, srisc_addr);
5648
5649         /*
5650          * FW Load priority:
5651          * 1) Firmware via request-firmware interface (.bin file).
5652          * 2) Firmware residing in flash.
5653          */
5654         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5655         if (rval == QLA_SUCCESS)
5656                 return rval;
5657
5658         return qla24xx_load_risc_flash(vha, srisc_addr,
5659             vha->hw->flt_region_fw);
5660 }
5661
5662 int
5663 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5664 {
5665         int rval;
5666         struct qla_hw_data *ha = vha->hw;
5667
5668         if (ql2xfwloadbin == 2)
5669                 goto try_blob_fw;
5670
5671         /*
5672          * FW Load priority:
5673          * 1) Firmware residing in flash.
5674          * 2) Firmware via request-firmware interface (.bin file).
5675          * 3) Golden-Firmware residing in flash -- limited operation.
5676          */
5677         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5678         if (rval == QLA_SUCCESS)
5679                 return rval;
5680
5681 try_blob_fw:
5682         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5683         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5684                 return rval;
5685
5686         ql_log(ql_log_info, vha, 0x0099,
5687             "Attempting to fallback to golden firmware.\n");
5688         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5689         if (rval != QLA_SUCCESS)
5690                 return rval;
5691
5692         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5693         ha->flags.running_gold_fw = 1;
5694         return rval;
5695 }
5696
5697 void
5698 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5699 {
5700         int ret, retries;
5701         struct qla_hw_data *ha = vha->hw;
5702
5703         if (ha->flags.pci_channel_io_perm_failure)
5704                 return;
5705         if (!IS_FWI2_CAPABLE(ha))
5706                 return;
5707         if (!ha->fw_major_version)
5708                 return;
5709
5710         ret = qla2x00_stop_firmware(vha);
5711         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5712             ret != QLA_INVALID_COMMAND && retries ; retries--) {
5713                 ha->isp_ops->reset_chip(vha);
5714                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5715                         continue;
5716                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5717                         continue;
5718                 ql_log(ql_log_info, vha, 0x8015,
5719                     "Attempting retry of stop-firmware command.\n");
5720                 ret = qla2x00_stop_firmware(vha);
5721         }
5722 }
5723
5724 int
5725 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5726 {
5727         int rval = QLA_SUCCESS;
5728         int rval2;
5729         uint16_t mb[MAILBOX_REGISTER_COUNT];
5730         struct qla_hw_data *ha = vha->hw;
5731         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5732         struct req_que *req;
5733         struct rsp_que *rsp;
5734
5735         if (!vha->vp_idx)
5736                 return -EINVAL;
5737
5738         rval = qla2x00_fw_ready(base_vha);
5739         if (ha->flags.cpu_affinity_enabled)
5740                 req = ha->req_q_map[0];
5741         else
5742                 req = vha->req;
5743         rsp = req->rsp;
5744
5745         if (rval == QLA_SUCCESS) {
5746                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5747                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5748         }
5749
5750         vha->flags.management_server_logged_in = 0;
5751
5752         /* Login to SNS first */
5753         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5754             BIT_1);
5755         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5756                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5757                         ql_dbg(ql_dbg_init, vha, 0x0120,
5758                             "Failed SNS login: loop_id=%x, rval2=%d\n",
5759                             NPH_SNS, rval2);
5760                 else
5761                         ql_dbg(ql_dbg_init, vha, 0x0103,
5762                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5763                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5764                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5765                 return (QLA_FUNCTION_FAILED);
5766         }
5767
5768         atomic_set(&vha->loop_down_timer, 0);
5769         atomic_set(&vha->loop_state, LOOP_UP);
5770         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5771         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5772         rval = qla2x00_loop_resync(base_vha);
5773
5774         return rval;
5775 }
5776
5777 /* 84XX Support **************************************************************/
5778
5779 static LIST_HEAD(qla_cs84xx_list);
5780 static DEFINE_MUTEX(qla_cs84xx_mutex);
5781
5782 static struct qla_chip_state_84xx *
5783 qla84xx_get_chip(struct scsi_qla_host *vha)
5784 {
5785         struct qla_chip_state_84xx *cs84xx;
5786         struct qla_hw_data *ha = vha->hw;
5787
5788         mutex_lock(&qla_cs84xx_mutex);
5789
5790         /* Find any shared 84xx chip. */
5791         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5792                 if (cs84xx->bus == ha->pdev->bus) {
5793                         kref_get(&cs84xx->kref);
5794                         goto done;
5795                 }
5796         }
5797
5798         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5799         if (!cs84xx)
5800                 goto done;
5801
5802         kref_init(&cs84xx->kref);
5803         spin_lock_init(&cs84xx->access_lock);
5804         mutex_init(&cs84xx->fw_update_mutex);
5805         cs84xx->bus = ha->pdev->bus;
5806
5807         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5808 done:
5809         mutex_unlock(&qla_cs84xx_mutex);
5810         return cs84xx;
5811 }
5812
5813 static void
5814 __qla84xx_chip_release(struct kref *kref)
5815 {
5816         struct qla_chip_state_84xx *cs84xx =
5817             container_of(kref, struct qla_chip_state_84xx, kref);
5818
5819         mutex_lock(&qla_cs84xx_mutex);
5820         list_del(&cs84xx->list);
5821         mutex_unlock(&qla_cs84xx_mutex);
5822         kfree(cs84xx);
5823 }
5824
5825 void
5826 qla84xx_put_chip(struct scsi_qla_host *vha)
5827 {
5828         struct qla_hw_data *ha = vha->hw;
5829         if (ha->cs84xx)
5830                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5831 }
5832
5833 static int
5834 qla84xx_init_chip(scsi_qla_host_t *vha)
5835 {
5836         int rval;
5837         uint16_t status[2];
5838         struct qla_hw_data *ha = vha->hw;
5839
5840         mutex_lock(&ha->cs84xx->fw_update_mutex);
5841
5842         rval = qla84xx_verify_chip(vha, status);
5843
5844         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5845
5846         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5847             QLA_SUCCESS;
5848 }
5849
5850 /* 81XX Support **************************************************************/
5851
5852 int
5853 qla81xx_nvram_config(scsi_qla_host_t *vha)
5854 {
5855         int   rval;
5856         struct init_cb_81xx *icb;
5857         struct nvram_81xx *nv;
5858         uint32_t *dptr;
5859         uint8_t  *dptr1, *dptr2;
5860         uint32_t chksum;
5861         uint16_t cnt;
5862         struct qla_hw_data *ha = vha->hw;
5863
5864         rval = QLA_SUCCESS;
5865         icb = (struct init_cb_81xx *)ha->init_cb;
5866         nv = ha->nvram;
5867
5868         /* Determine NVRAM starting address. */
5869         ha->nvram_size = sizeof(struct nvram_81xx);
5870         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5871         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
5872                 ha->vpd_size = FA_VPD_SIZE_82XX;
5873
5874         /* Get VPD data into cache */
5875         ha->vpd = ha->nvram + VPD_OFFSET;
5876         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5877             ha->vpd_size);
5878
5879         /* Get NVRAM data into cache and calculate checksum. */
5880         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5881             ha->nvram_size);
5882         dptr = (uint32_t *)nv;
5883         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5884                 chksum += le32_to_cpu(*dptr++);
5885
5886         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5887             "Contents of NVRAM:\n");
5888         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5889             (uint8_t *)nv, ha->nvram_size);
5890
5891         /* Bad NVRAM data, set defaults parameters. */
5892         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5893             || nv->id[3] != ' ' ||
5894             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5895                 /* Reset NVRAM data. */
5896                 ql_log(ql_log_info, vha, 0x0073,
5897                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5898                     "version=0x%x.\n", chksum, nv->id[0],
5899                     le16_to_cpu(nv->nvram_version));
5900                 ql_log(ql_log_info, vha, 0x0074,
5901                     "Falling back to functioning (yet invalid -- WWPN) "
5902                     "defaults.\n");
5903
5904                 /*
5905                  * Set default initialization control block.
5906                  */
5907                 memset(nv, 0, ha->nvram_size);
5908                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5909                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5910                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5911                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5912                 nv->exchange_count = __constant_cpu_to_le16(0);
5913                 nv->port_name[0] = 0x21;
5914                 nv->port_name[1] = 0x00 + ha->port_no + 1;
5915                 nv->port_name[2] = 0x00;
5916                 nv->port_name[3] = 0xe0;
5917                 nv->port_name[4] = 0x8b;
5918                 nv->port_name[5] = 0x1c;
5919                 nv->port_name[6] = 0x55;
5920                 nv->port_name[7] = 0x86;
5921                 nv->node_name[0] = 0x20;
5922                 nv->node_name[1] = 0x00;
5923                 nv->node_name[2] = 0x00;
5924                 nv->node_name[3] = 0xe0;
5925                 nv->node_name[4] = 0x8b;
5926                 nv->node_name[5] = 0x1c;
5927                 nv->node_name[6] = 0x55;
5928                 nv->node_name[7] = 0x86;
5929                 nv->login_retry_count = __constant_cpu_to_le16(8);
5930                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5931                 nv->login_timeout = __constant_cpu_to_le16(0);
5932                 nv->firmware_options_1 =
5933                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5934                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5935                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5936                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5937                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5938                 nv->efi_parameters = __constant_cpu_to_le32(0);
5939                 nv->reset_delay = 5;
5940                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5941                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5942                 nv->link_down_timeout = __constant_cpu_to_le16(180);
5943                 nv->enode_mac[0] = 0x00;
5944                 nv->enode_mac[1] = 0xC0;
5945                 nv->enode_mac[2] = 0xDD;
5946                 nv->enode_mac[3] = 0x04;
5947                 nv->enode_mac[4] = 0x05;
5948                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
5949
5950                 rval = 1;
5951         }
5952
5953         if (IS_T10_PI_CAPABLE(ha))
5954                 nv->frame_payload_size &= ~7;
5955
5956         qlt_81xx_config_nvram_stage1(vha, nv);
5957
5958         /* Reset Initialization control block */
5959         memset(icb, 0, ha->init_cb_size);
5960
5961         /* Copy 1st segment. */
5962         dptr1 = (uint8_t *)icb;
5963         dptr2 = (uint8_t *)&nv->version;
5964         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5965         while (cnt--)
5966                 *dptr1++ = *dptr2++;
5967
5968         icb->login_retry_count = nv->login_retry_count;
5969
5970         /* Copy 2nd segment. */
5971         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5972         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5973         cnt = (uint8_t *)&icb->reserved_5 -
5974             (uint8_t *)&icb->interrupt_delay_timer;
5975         while (cnt--)
5976                 *dptr1++ = *dptr2++;
5977
5978         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5979         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5980         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5981                 icb->enode_mac[0] = 0x00;
5982                 icb->enode_mac[1] = 0xC0;
5983                 icb->enode_mac[2] = 0xDD;
5984                 icb->enode_mac[3] = 0x04;
5985                 icb->enode_mac[4] = 0x05;
5986                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
5987         }
5988
5989         /* Use extended-initialization control block. */
5990         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5991
5992         /*
5993          * Setup driver NVRAM options.
5994          */
5995         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5996             "QLE8XXX");
5997
5998         qlt_81xx_config_nvram_stage2(vha, icb);
5999
6000         /* Use alternate WWN? */
6001         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
6002                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6003                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6004         }
6005
6006         /* Prepare nodename */
6007         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
6008                 /*
6009                  * Firmware will apply the following mask if the nodename was
6010                  * not provided.
6011                  */
6012                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6013                 icb->node_name[0] &= 0xF0;
6014         }
6015
6016         /* Set host adapter parameters. */
6017         ha->flags.disable_risc_code_load = 0;
6018         ha->flags.enable_lip_reset = 0;
6019         ha->flags.enable_lip_full_login =
6020             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6021         ha->flags.enable_target_reset =
6022             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6023         ha->flags.enable_led_scheme = 0;
6024         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6025
6026         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6027             (BIT_6 | BIT_5 | BIT_4)) >> 4;
6028
6029         /* save HBA serial number */
6030         ha->serial0 = icb->port_name[5];
6031         ha->serial1 = icb->port_name[6];
6032         ha->serial2 = icb->port_name[7];
6033         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6034         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6035
6036         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
6037
6038         ha->retry_count = le16_to_cpu(nv->login_retry_count);
6039
6040         /* Set minimum login_timeout to 4 seconds. */
6041         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6042                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6043         if (le16_to_cpu(nv->login_timeout) < 4)
6044                 nv->login_timeout = __constant_cpu_to_le16(4);
6045         ha->login_timeout = le16_to_cpu(nv->login_timeout);
6046         icb->login_timeout = nv->login_timeout;
6047
6048         /* Set minimum RATOV to 100 tenths of a second. */
6049         ha->r_a_tov = 100;
6050
6051         ha->loop_reset_delay = nv->reset_delay;
6052
6053         /* Link Down Timeout = 0:
6054          *
6055          *      When Port Down timer expires we will start returning
6056          *      I/O's to OS with "DID_NO_CONNECT".
6057          *
6058          * Link Down Timeout != 0:
6059          *
6060          *       The driver waits for the link to come up after link down
6061          *       before returning I/Os to OS with "DID_NO_CONNECT".
6062          */
6063         if (le16_to_cpu(nv->link_down_timeout) == 0) {
6064                 ha->loop_down_abort_time =
6065                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6066         } else {
6067                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
6068                 ha->loop_down_abort_time =
6069                     (LOOP_DOWN_TIME - ha->link_down_timeout);
6070         }
6071
6072         /* Need enough time to try and get the port back. */
6073         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6074         if (qlport_down_retry)
6075                 ha->port_down_retry_count = qlport_down_retry;
6076
6077         /* Set login_retry_count */
6078         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6079         if (ha->port_down_retry_count ==
6080             le16_to_cpu(nv->port_down_retry_count) &&
6081             ha->port_down_retry_count > 3)
6082                 ha->login_retry_count = ha->port_down_retry_count;
6083         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6084                 ha->login_retry_count = ha->port_down_retry_count;
6085         if (ql2xloginretrycount)
6086                 ha->login_retry_count = ql2xloginretrycount;
6087
6088         /* if not running MSI-X we need handshaking on interrupts */
6089         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
6090                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22);
6091
6092         /* Enable ZIO. */
6093         if (!vha->flags.init_done) {
6094                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6095                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6096                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6097                     le16_to_cpu(icb->interrupt_delay_timer): 2;
6098         }
6099         icb->firmware_options_2 &= __constant_cpu_to_le32(
6100             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6101         vha->flags.process_response_queue = 0;
6102         if (ha->zio_mode != QLA_ZIO_DISABLED) {
6103                 ha->zio_mode = QLA_ZIO_MODE_6;
6104
6105                 ql_log(ql_log_info, vha, 0x0075,
6106                     "ZIO mode %d enabled; timer delay (%d us).\n",
6107                     ha->zio_mode,
6108                     ha->zio_timer * 100);
6109
6110                 icb->firmware_options_2 |= cpu_to_le32(
6111                     (uint32_t)ha->zio_mode);
6112                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6113                 vha->flags.process_response_queue = 1;
6114         }
6115
6116         if (rval) {
6117                 ql_log(ql_log_warn, vha, 0x0076,
6118                     "NVRAM configuration failed.\n");
6119         }
6120         return (rval);
6121 }
6122
6123 int
6124 qla82xx_restart_isp(scsi_qla_host_t *vha)
6125 {
6126         int status, rval;
6127         struct qla_hw_data *ha = vha->hw;
6128         struct req_que *req = ha->req_q_map[0];
6129         struct rsp_que *rsp = ha->rsp_q_map[0];
6130         struct scsi_qla_host *vp;
6131         unsigned long flags;
6132
6133         status = qla2x00_init_rings(vha);
6134         if (!status) {
6135                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6136                 ha->flags.chip_reset_done = 1;
6137
6138                 status = qla2x00_fw_ready(vha);
6139                 if (!status) {
6140                         /* Issue a marker after FW becomes ready. */
6141                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6142                         vha->flags.online = 1;
6143                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6144                 }
6145
6146                 /* if no cable then assume it's good */
6147                 if ((vha->device_flags & DFLG_NO_CABLE))
6148                         status = 0;
6149         }
6150
6151         if (!status) {
6152                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6153
6154                 if (!atomic_read(&vha->loop_down_timer)) {
6155                         /*
6156                          * Issue marker command only when we are going
6157                          * to start the I/O .
6158                          */
6159                         vha->marker_needed = 1;
6160                 }
6161
6162                 ha->isp_ops->enable_intrs(ha);
6163
6164                 ha->isp_abort_cnt = 0;
6165                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6166
6167                 /* Update the firmware version */
6168                 status = qla82xx_check_md_needed(vha);
6169
6170                 if (ha->fce) {
6171                         ha->flags.fce_enabled = 1;
6172                         memset(ha->fce, 0,
6173                             fce_calc_size(ha->fce_bufs));
6174                         rval = qla2x00_enable_fce_trace(vha,
6175                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6176                             &ha->fce_bufs);
6177                         if (rval) {
6178                                 ql_log(ql_log_warn, vha, 0x8001,
6179                                     "Unable to reinitialize FCE (%d).\n",
6180                                     rval);
6181                                 ha->flags.fce_enabled = 0;
6182                         }
6183                 }
6184
6185                 if (ha->eft) {
6186                         memset(ha->eft, 0, EFT_SIZE);
6187                         rval = qla2x00_enable_eft_trace(vha,
6188                             ha->eft_dma, EFT_NUM_BUFFERS);
6189                         if (rval) {
6190                                 ql_log(ql_log_warn, vha, 0x8010,
6191                                     "Unable to reinitialize EFT (%d).\n",
6192                                     rval);
6193                         }
6194                 }
6195         }
6196
6197         if (!status) {
6198                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
6199                     "qla82xx_restart_isp succeeded.\n");
6200
6201                 spin_lock_irqsave(&ha->vport_slock, flags);
6202                 list_for_each_entry(vp, &ha->vp_list, list) {
6203                         if (vp->vp_idx) {
6204                                 atomic_inc(&vp->vref_count);
6205                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6206
6207                                 qla2x00_vp_abort_isp(vp);
6208
6209                                 spin_lock_irqsave(&ha->vport_slock, flags);
6210                                 atomic_dec(&vp->vref_count);
6211                         }
6212                 }
6213                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6214
6215         } else {
6216                 ql_log(ql_log_warn, vha, 0x8016,
6217                     "qla82xx_restart_isp **** FAILED ****.\n");
6218         }
6219
6220         return status;
6221 }
6222
6223 void
6224 qla81xx_update_fw_options(scsi_qla_host_t *vha)
6225 {
6226         struct qla_hw_data *ha = vha->hw;
6227
6228         if (!ql2xetsenable)
6229                 return;
6230
6231         /* Enable ETS Burst. */
6232         memset(ha->fw_options, 0, sizeof(ha->fw_options));
6233         ha->fw_options[2] |= BIT_9;
6234         qla2x00_set_fw_options(vha, ha->fw_options);
6235 }
6236
6237 /*
6238  * qla24xx_get_fcp_prio
6239  *      Gets the fcp cmd priority value for the logged in port.
6240  *      Looks for a match of the port descriptors within
6241  *      each of the fcp prio config entries. If a match is found,
6242  *      the tag (priority) value is returned.
6243  *
6244  * Input:
6245  *      vha = scsi host structure pointer.
6246  *      fcport = port structure pointer.
6247  *
6248  * Return:
6249  *      non-zero (if found)
6250  *      -1 (if not found)
6251  *
6252  * Context:
6253  *      Kernel context
6254  */
6255 static int
6256 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6257 {
6258         int i, entries;
6259         uint8_t pid_match, wwn_match;
6260         int priority;
6261         uint32_t pid1, pid2;
6262         uint64_t wwn1, wwn2;
6263         struct qla_fcp_prio_entry *pri_entry;
6264         struct qla_hw_data *ha = vha->hw;
6265
6266         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
6267                 return -1;
6268
6269         priority = -1;
6270         entries = ha->fcp_prio_cfg->num_entries;
6271         pri_entry = &ha->fcp_prio_cfg->entry[0];
6272
6273         for (i = 0; i < entries; i++) {
6274                 pid_match = wwn_match = 0;
6275
6276                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
6277                         pri_entry++;
6278                         continue;
6279                 }
6280
6281                 /* check source pid for a match */
6282                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
6283                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
6284                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
6285                         if (pid1 == INVALID_PORT_ID)
6286                                 pid_match++;
6287                         else if (pid1 == pid2)
6288                                 pid_match++;
6289                 }
6290
6291                 /* check destination pid for a match */
6292                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
6293                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
6294                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
6295                         if (pid1 == INVALID_PORT_ID)
6296                                 pid_match++;
6297                         else if (pid1 == pid2)
6298                                 pid_match++;
6299                 }
6300
6301                 /* check source WWN for a match */
6302                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6303                         wwn1 = wwn_to_u64(vha->port_name);
6304                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6305                         if (wwn2 == (uint64_t)-1)
6306                                 wwn_match++;
6307                         else if (wwn1 == wwn2)
6308                                 wwn_match++;
6309                 }
6310
6311                 /* check destination WWN for a match */
6312                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6313                         wwn1 = wwn_to_u64(fcport->port_name);
6314                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6315                         if (wwn2 == (uint64_t)-1)
6316                                 wwn_match++;
6317                         else if (wwn1 == wwn2)
6318                                 wwn_match++;
6319                 }
6320
6321                 if (pid_match == 2 || wwn_match == 2) {
6322                         /* Found a matching entry */
6323                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6324                                 priority = pri_entry->tag;
6325                         break;
6326                 }
6327
6328                 pri_entry++;
6329         }
6330
6331         return priority;
6332 }
6333
6334 /*
6335  * qla24xx_update_fcport_fcp_prio
6336  *      Activates fcp priority for the logged in fc port
6337  *
6338  * Input:
6339  *      vha = scsi host structure pointer.
6340  *      fcp = port structure pointer.
6341  *
6342  * Return:
6343  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6344  *
6345  * Context:
6346  *      Kernel context.
6347  */
6348 int
6349 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6350 {
6351         int ret;
6352         int priority;
6353         uint16_t mb[5];
6354
6355         if (fcport->port_type != FCT_TARGET ||
6356             fcport->loop_id == FC_NO_LOOP_ID)
6357                 return QLA_FUNCTION_FAILED;
6358
6359         priority = qla24xx_get_fcp_prio(vha, fcport);
6360         if (priority < 0)
6361                 return QLA_FUNCTION_FAILED;
6362
6363         if (IS_P3P_TYPE(vha->hw)) {
6364                 fcport->fcp_prio = priority & 0xf;
6365                 return QLA_SUCCESS;
6366         }
6367
6368         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6369         if (ret == QLA_SUCCESS) {
6370                 if (fcport->fcp_prio != priority)
6371                         ql_dbg(ql_dbg_user, vha, 0x709e,
6372                             "Updated FCP_CMND priority - value=%d loop_id=%d "
6373                             "port_id=%02x%02x%02x.\n", priority,
6374                             fcport->loop_id, fcport->d_id.b.domain,
6375                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6376                 fcport->fcp_prio = priority & 0xf;
6377         } else
6378                 ql_dbg(ql_dbg_user, vha, 0x704f,
6379                     "Unable to update FCP_CMND priority - ret=0x%x for "
6380                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6381                     fcport->d_id.b.domain, fcport->d_id.b.area,
6382                     fcport->d_id.b.al_pa);
6383         return  ret;
6384 }
6385
6386 /*
6387  * qla24xx_update_all_fcp_prio
6388  *      Activates fcp priority for all the logged in ports
6389  *
6390  * Input:
6391  *      ha = adapter block pointer.
6392  *
6393  * Return:
6394  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6395  *
6396  * Context:
6397  *      Kernel context.
6398  */
6399 int
6400 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6401 {
6402         int ret;
6403         fc_port_t *fcport;
6404
6405         ret = QLA_FUNCTION_FAILED;
6406         /* We need to set priority for all logged in ports */
6407         list_for_each_entry(fcport, &vha->vp_fcports, list)
6408                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6409
6410         return ret;
6411 }