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