drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2010 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 /*
  21 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  22 */
  23 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  24 static int qla2x00_setup_chip(scsi_qla_host_t *);
  25 static int qla2x00_init_rings(scsi_qla_host_t *);
  26 static int qla2x00_fw_ready(scsi_qla_host_t *);
  27 static int qla2x00_configure_hba(scsi_qla_host_t *);
  28 static int qla2x00_configure_loop(scsi_qla_host_t *);
  29 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  30 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
  32 static int qla2x00_device_resync(scsi_qla_host_t *);
  33 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
  34     uint16_t *);
  35
  36 static int qla2x00_restart_isp(scsi_qla_host_t *);
  37
  38 static int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
  39
  40 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  41 static int qla84xx_init_chip(scsi_qla_host_t *);
  42 static int qla25xx_init_queues(struct qla_hw_data *);
  43
  44 /* SRB Extensions ---------------------------------------------------------- */
  45
  46 static void
  47 qla2x00_ctx_sp_timeout(unsigned long __data)
  48 {
  49         srb_t *sp = (srb_t *)__data;
  50         struct srb_ctx *ctx;
  51         struct srb_iocb *iocb;
  52         fc_port_t *fcport = sp->fcport;
  53         struct qla_hw_data *ha = fcport->vha->hw;
  54         struct req_que *req;
  55         unsigned long flags;
  56
  57         spin_lock_irqsave(&ha->hardware_lock, flags);
  58         req = ha->req_q_map[0];
  59         req->outstanding_cmds[sp->handle] = NULL;
  60         ctx = sp->ctx;
  61         iocb = ctx->u.iocb_cmd;
  62         iocb->timeout(sp);
  63         iocb->free(sp);
  64         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  65 }
  66
  67 static void
  68 qla2x00_ctx_sp_free(srb_t *sp)
  69 {
  70         struct srb_ctx *ctx = sp->ctx;
  71         struct srb_iocb *iocb = ctx->u.iocb_cmd;
  72         struct scsi_qla_host *vha = sp->fcport->vha;
  73
  74         del_timer_sync(&iocb->timer);
  75         kfree(iocb);
  76         kfree(ctx);
  77         mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
  78
  79         QLA_VHA_MARK_NOT_BUSY(vha);
  80 }
  81
  82 inline srb_t *
  83 qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
  84     unsigned long tmo)
  85 {
  86         srb_t *sp = NULL;
  87         struct qla_hw_data *ha = vha->hw;
  88         struct srb_ctx *ctx;
  89         struct srb_iocb *iocb;
  90         uint8_t bail;
  91
  92         QLA_VHA_MARK_BUSY(vha, bail);
  93         if (bail)
  94                 return NULL;
  95
  96         sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
  97         if (!sp)
  98                 goto done;
  99         ctx = kzalloc(size, GFP_KERNEL);
 100         if (!ctx) {
 101                 mempool_free(sp, ha->srb_mempool);
 102                 sp = NULL;
 103                 goto done;
 104         }
 105         iocb = kzalloc(sizeof(struct srb_iocb), GFP_KERNEL);
 106         if (!iocb) {
 107                 mempool_free(sp, ha->srb_mempool);
 108                 sp = NULL;
 109                 kfree(ctx);
 110                 goto done;
 111         }
 112
 113         memset(sp, 0, sizeof(*sp));
 114         sp->fcport = fcport;
 115         sp->ctx = ctx;
 116         ctx->u.iocb_cmd = iocb;
 117         iocb->free = qla2x00_ctx_sp_free;
 118
 119         init_timer(&iocb->timer);
 120         if (!tmo)
 121                 goto done;
 122         iocb->timer.expires = jiffies + tmo * HZ;
 123         iocb->timer.data = (unsigned long)sp;
 124         iocb->timer.function = qla2x00_ctx_sp_timeout;
 125         add_timer(&iocb->timer);
 126 done:
 127         if (!sp)
 128                 QLA_VHA_MARK_NOT_BUSY(vha);
 129         return sp;
 130 }
 131
 132 /* Asynchronous Login/Logout Routines -------------------------------------- */
 133
 134 static inline unsigned long
 135 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
 136 {
 137         unsigned long tmo;
 138         struct qla_hw_data *ha = vha->hw;
 139
 140         /* Firmware should use switch negotiated r_a_tov for timeout. */
 141         tmo = ha->r_a_tov / 10 * 2;
 142         if (!IS_FWI2_CAPABLE(ha)) {
 143                 /*
 144                  * Except for earlier ISPs where the timeout is seeded from the
 145                  * initialization control block.
 146                  */
 147                 tmo = ha->login_timeout;
 148         }
 149         return tmo;
 150 }
 151
 152 static void
 153 qla2x00_async_iocb_timeout(srb_t *sp)
 154 {
 155         fc_port_t *fcport = sp->fcport;
 156         struct srb_ctx *ctx = sp->ctx;
 157
 158         DEBUG2(printk(KERN_WARNING
 159                 "scsi(%ld:%x): Async-%s timeout - portid=%02x%02x%02x.\n",
 160                 fcport->vha->host_no, sp->handle,
 161                 ctx->name, fcport->d_id.b.domain,
 162                 fcport->d_id.b.area, fcport->d_id.b.al_pa));
 163
 164         fcport->flags &= ~FCF_ASYNC_SENT;
 165         if (ctx->type == SRB_LOGIN_CMD) {
 166                 struct srb_iocb *lio = ctx->u.iocb_cmd;
 167                 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 168                 /* Retry as needed. */
 169                 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 170                 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 171                         QLA_LOGIO_LOGIN_RETRIED : 0;
 172                 qla2x00_post_async_login_done_work(fcport->vha, fcport,
 173                         lio->u.logio.data);
 174         }
 175 }
 176
 177 static void
 178 qla2x00_async_login_ctx_done(srb_t *sp)
 179 {
 180         struct srb_ctx *ctx = sp->ctx;
 181         struct srb_iocb *lio = ctx->u.iocb_cmd;
 182
 183         qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
 184                 lio->u.logio.data);
 185         lio->free(sp);
 186 }
 187
 188 int
 189 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 190     uint16_t *data)
 191 {
 192         srb_t *sp;
 193         struct srb_ctx *ctx;
 194         struct srb_iocb *lio;
 195         int rval;
 196
 197         rval = QLA_FUNCTION_FAILED;
 198         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 199             qla2x00_get_async_timeout(vha) + 2);
 200         if (!sp)
 201                 goto done;
 202
 203         ctx = sp->ctx;
 204         ctx->type = SRB_LOGIN_CMD;
 205         ctx->name = "login";
 206         lio = ctx->u.iocb_cmd;
 207         lio->timeout = qla2x00_async_iocb_timeout;
 208         lio->done = qla2x00_async_login_ctx_done;
 209         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 210         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 211                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 212         rval = qla2x00_start_sp(sp);
 213         if (rval != QLA_SUCCESS)
 214                 goto done_free_sp;
 215
 216         DEBUG2(printk(KERN_DEBUG
 217             "scsi(%ld:%x): Async-login - loop-id=%x portid=%02x%02x%02x "
 218             "retries=%d.\n", fcport->vha->host_no, sp->handle, fcport->loop_id,
 219             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 220             fcport->login_retry));
 221         return rval;
 222
 223 done_free_sp:
 224         lio->free(sp);
 225 done:
 226         return rval;
 227 }
 228
 229 static void
 230 qla2x00_async_logout_ctx_done(srb_t *sp)
 231 {
 232         struct srb_ctx *ctx = sp->ctx;
 233         struct srb_iocb *lio = ctx->u.iocb_cmd;
 234
 235         qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
 236             lio->u.logio.data);
 237         lio->free(sp);
 238 }
 239
 240 int
 241 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 242 {
 243         srb_t *sp;
 244         struct srb_ctx *ctx;
 245         struct srb_iocb *lio;
 246         int rval;
 247
 248         rval = QLA_FUNCTION_FAILED;
 249         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 250             qla2x00_get_async_timeout(vha) + 2);
 251         if (!sp)
 252                 goto done;
 253
 254         ctx = sp->ctx;
 255         ctx->type = SRB_LOGOUT_CMD;
 256         ctx->name = "logout";
 257         lio = ctx->u.iocb_cmd;
 258         lio->timeout = qla2x00_async_iocb_timeout;
 259         lio->done = qla2x00_async_logout_ctx_done;
 260         rval = qla2x00_start_sp(sp);
 261         if (rval != QLA_SUCCESS)
 262                 goto done_free_sp;
 263
 264         DEBUG2(printk(KERN_DEBUG
 265             "scsi(%ld:%x): Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
 266             fcport->vha->host_no, sp->handle, fcport->loop_id,
 267             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
 268         return rval;
 269
 270 done_free_sp:
 271         lio->free(sp);
 272 done:
 273         return rval;
 274 }
 275
 276 static void
 277 qla2x00_async_adisc_ctx_done(srb_t *sp)
 278 {
 279         struct srb_ctx *ctx = sp->ctx;
 280         struct srb_iocb *lio = ctx->u.iocb_cmd;
 281
 282         qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
 283             lio->u.logio.data);
 284         lio->free(sp);
 285 }
 286
 287 int
 288 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 289     uint16_t *data)
 290 {
 291         srb_t *sp;
 292         struct srb_ctx *ctx;
 293         struct srb_iocb *lio;
 294         int rval;
 295
 296         rval = QLA_FUNCTION_FAILED;
 297         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 298             qla2x00_get_async_timeout(vha) + 2);
 299         if (!sp)
 300                 goto done;
 301
 302         ctx = sp->ctx;
 303         ctx->type = SRB_ADISC_CMD;
 304         ctx->name = "adisc";
 305         lio = ctx->u.iocb_cmd;
 306         lio->timeout = qla2x00_async_iocb_timeout;
 307         lio->done = qla2x00_async_adisc_ctx_done;
 308         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 309                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 310         rval = qla2x00_start_sp(sp);
 311         if (rval != QLA_SUCCESS)
 312                 goto done_free_sp;
 313
 314         DEBUG2(printk(KERN_DEBUG
 315             "scsi(%ld:%x): Async-adisc - loop-id=%x portid=%02x%02x%02x.\n",
 316             fcport->vha->host_no, sp->handle, fcport->loop_id,
 317             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
 318
 319         return rval;
 320
 321 done_free_sp:
 322         lio->free(sp);
 323 done:
 324         return rval;
 325 }
 326
 327 static void
 328 qla2x00_async_tm_cmd_ctx_done(srb_t *sp)
 329 {
 330         struct srb_ctx *ctx = sp->ctx;
 331         struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
 332
 333         qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb);
 334         iocb->free(sp);
 335 }
 336
 337 int
 338 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
 339         uint32_t tag)
 340 {
 341         struct scsi_qla_host *vha = fcport->vha;
 342         srb_t *sp;
 343         struct srb_ctx *ctx;
 344         struct srb_iocb *tcf;
 345         int rval;
 346
 347         rval = QLA_FUNCTION_FAILED;
 348         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 349             qla2x00_get_async_timeout(vha) + 2);
 350         if (!sp)
 351                 goto done;
 352
 353         ctx = sp->ctx;
 354         ctx->type = SRB_TM_CMD;
 355         ctx->name = "tmf";
 356         tcf = ctx->u.iocb_cmd;
 357         tcf->u.tmf.flags = flags;
 358         tcf->u.tmf.lun = lun;
 359         tcf->u.tmf.data = tag;
 360         tcf->timeout = qla2x00_async_iocb_timeout;
 361         tcf->done = qla2x00_async_tm_cmd_ctx_done;
 362
 363         rval = qla2x00_start_sp(sp);
 364         if (rval != QLA_SUCCESS)
 365                 goto done_free_sp;
 366
 367         DEBUG2(printk(KERN_DEBUG
 368             "scsi(%ld:%x): Async-tmf - loop-id=%x portid=%02x%02x%02x.\n",
 369             fcport->vha->host_no, sp->handle, fcport->loop_id,
 370             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
 371
 372         return rval;
 373
 374 done_free_sp:
 375         tcf->free(sp);
 376 done:
 377         return rval;
 378 }
 379
 380 void
 381 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 382     uint16_t *data)
 383 {
 384         int rval;
 385
 386         switch (data[0]) {
 387         case MBS_COMMAND_COMPLETE:
 388                 if (fcport->flags & FCF_FCP2_DEVICE) {
 389                         fcport->flags |= FCF_ASYNC_SENT;
 390                         qla2x00_post_async_adisc_work(vha, fcport, data);
 391                         break;
 392                 }
 393                 qla2x00_update_fcport(vha, fcport);
 394                 break;
 395         case MBS_COMMAND_ERROR:
 396                 fcport->flags &= ~FCF_ASYNC_SENT;
 397                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 398                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 399                 else
 400                         qla2x00_mark_device_lost(vha, fcport, 1, 1);
 401                 break;
 402         case MBS_PORT_ID_USED:
 403                 fcport->loop_id = data[1];
 404                 qla2x00_post_async_logout_work(vha, fcport, NULL);
 405                 qla2x00_post_async_login_work(vha, fcport, NULL);
 406                 break;
 407         case MBS_LOOP_ID_USED:
 408                 fcport->loop_id++;
 409                 rval = qla2x00_find_new_loop_id(vha, fcport);
 410                 if (rval != QLA_SUCCESS) {
 411                         fcport->flags &= ~FCF_ASYNC_SENT;
 412                         qla2x00_mark_device_lost(vha, fcport, 1, 1);
 413                         break;
 414                 }
 415                 qla2x00_post_async_login_work(vha, fcport, NULL);
 416                 break;
 417         }
 418         return;
 419 }
 420
 421 void
 422 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 423     uint16_t *data)
 424 {
 425         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 426         return;
 427 }
 428
 429 void
 430 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 431     uint16_t *data)
 432 {
 433         if (data[0] == MBS_COMMAND_COMPLETE) {
 434                 qla2x00_update_fcport(vha, fcport);
 435
 436                 return;
 437         }
 438
 439         /* Retry login. */
 440         fcport->flags &= ~FCF_ASYNC_SENT;
 441         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 442                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 443         else
 444                 qla2x00_mark_device_lost(vha, fcport, 1, 1);
 445
 446         return;
 447 }
 448
 449 void
 450 qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 451     struct srb_iocb *iocb)
 452 {
 453         int rval;
 454         uint32_t flags;
 455         uint16_t lun;
 456
 457         flags = iocb->u.tmf.flags;
 458         lun = (uint16_t)iocb->u.tmf.lun;
 459
 460         /* Issue Marker IOCB */
 461         rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
 462                 vha->hw->rsp_q_map[0], fcport->loop_id, lun,
 463                 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
 464
 465         if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
 466                 DEBUG2_3_11(printk(KERN_WARNING
 467                         "%s(%ld): TM IOCB failed (%x).\n",
 468                         __func__, vha->host_no, rval));
 469         }
 470
 471         return;
 472 }
 473
 474 /****************************************************************************/
 475 /*                QLogic ISP2x00 Hardware Support Functions.                */
 476 /****************************************************************************/
 477
 478 /*
 479 * qla2x00_initialize_adapter
 480 *      Initialize board.
 481 *
 482 * Input:
 483 *      ha = adapter block pointer.
 484 *
 485 * Returns:
 486 *      0 = success
 487 */
 488 int
 489 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 490 {
 491         int     rval;
 492         struct qla_hw_data *ha = vha->hw;
 493         struct req_que *req = ha->req_q_map[0];
 494
 495         /* Clear adapter flags. */
 496         vha->flags.online = 0;
 497         ha->flags.chip_reset_done = 0;
 498         vha->flags.reset_active = 0;
 499         ha->flags.pci_channel_io_perm_failure = 0;
 500         ha->flags.eeh_busy = 0;
 501         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 502         atomic_set(&vha->loop_state, LOOP_DOWN);
 503         vha->device_flags = DFLG_NO_CABLE;
 504         vha->dpc_flags = 0;
 505         vha->flags.management_server_logged_in = 0;
 506         vha->marker_needed = 0;
 507         ha->isp_abort_cnt = 0;
 508         ha->beacon_blink_led = 0;
 509
 510         set_bit(0, ha->req_qid_map);
 511         set_bit(0, ha->rsp_qid_map);
 512
 513         qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
 514         rval = ha->isp_ops->pci_config(vha);
 515         if (rval) {
 516                 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
 517                     vha->host_no));
 518                 return (rval);
 519         }
 520
 521         ha->isp_ops->reset_chip(vha);
 522
 523         rval = qla2xxx_get_flash_info(vha);
 524         if (rval) {
 525                 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
 526                     vha->host_no));
 527                 return (rval);
 528         }
 529
 530         ha->isp_ops->get_flash_version(vha, req->ring);
 531
 532         qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
 533
 534         ha->isp_ops->nvram_config(vha);
 535
 536         if (ha->flags.disable_serdes) {
 537                 /* Mask HBA via NVRAM settings? */
 538                 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
 539                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 540                     vha->port_name[0], vha->port_name[1],
 541                     vha->port_name[2], vha->port_name[3],
 542                     vha->port_name[4], vha->port_name[5],
 543                     vha->port_name[6], vha->port_name[7]);
 544                 return QLA_FUNCTION_FAILED;
 545         }
 546
 547         qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
 548
 549         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 550                 rval = ha->isp_ops->chip_diag(vha);
 551                 if (rval)
 552                         return (rval);
 553                 rval = qla2x00_setup_chip(vha);
 554                 if (rval)
 555                         return (rval);
 556         }
 557
 558         if (IS_QLA84XX(ha)) {
 559                 ha->cs84xx = qla84xx_get_chip(vha);
 560                 if (!ha->cs84xx) {
 561                         qla_printk(KERN_ERR, ha,
 562                             "Unable to configure ISP84XX.\n");
 563                         return QLA_FUNCTION_FAILED;
 564                 }
 565         }
 566         rval = qla2x00_init_rings(vha);
 567         ha->flags.chip_reset_done = 1;
 568
 569         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 570                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 571                 rval = qla84xx_init_chip(vha);
 572                 if (rval != QLA_SUCCESS) {
 573                         qla_printk(KERN_ERR, ha,
 574                                 "Unable to initialize ISP84XX.\n");
 575                 qla84xx_put_chip(vha);
 576                 }
 577         }
 578
 579         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 580                 qla24xx_read_fcp_prio_cfg(vha);
 581
 582         return (rval);
 583 }
 584
 585 /**
 586  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 587  * @ha: HA context
 588  *
 589  * Returns 0 on success.
 590  */
 591 int
 592 qla2100_pci_config(scsi_qla_host_t *vha)
 593 {
 594         uint16_t w;
 595         unsigned long flags;
 596         struct qla_hw_data *ha = vha->hw;
 597         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 598
 599         pci_set_master(ha->pdev);
 600         pci_try_set_mwi(ha->pdev);
 601
 602         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 603         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 604         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 605
 606         pci_disable_rom(ha->pdev);
 607
 608         /* Get PCI bus information. */
 609         spin_lock_irqsave(&ha->hardware_lock, flags);
 610         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 611         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 612
 613         return QLA_SUCCESS;
 614 }
 615
 616 /**
 617  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 618  * @ha: HA context
 619  *
 620  * Returns 0 on success.
 621  */
 622 int
 623 qla2300_pci_config(scsi_qla_host_t *vha)
 624 {
 625         uint16_t        w;
 626         unsigned long   flags = 0;
 627         uint32_t        cnt;
 628         struct qla_hw_data *ha = vha->hw;
 629         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 630
 631         pci_set_master(ha->pdev);
 632         pci_try_set_mwi(ha->pdev);
 633
 634         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 635         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 636
 637         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 638                 w &= ~PCI_COMMAND_INTX_DISABLE;
 639         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 640
 641         /*
 642          * If this is a 2300 card and not 2312, reset the
 643          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 644          * the 2310 also reports itself as a 2300 so we need to get the
 645          * fb revision level -- a 6 indicates it really is a 2300 and
 646          * not a 2310.
 647          */
 648         if (IS_QLA2300(ha)) {
 649                 spin_lock_irqsave(&ha->hardware_lock, flags);
 650
 651                 /* Pause RISC. */
 652                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 653                 for (cnt = 0; cnt < 30000; cnt++) {
 654                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 655                                 break;
 656
 657                         udelay(10);
 658                 }
 659
 660                 /* Select FPM registers. */
 661                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 662                 RD_REG_WORD(&reg->ctrl_status);
 663
 664                 /* Get the fb rev level */
 665                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 666
 667                 if (ha->fb_rev == FPM_2300)
 668                         pci_clear_mwi(ha->pdev);
 669
 670                 /* Deselect FPM registers. */
 671                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 672                 RD_REG_WORD(&reg->ctrl_status);
 673
 674                 /* Release RISC module. */
 675                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 676                 for (cnt = 0; cnt < 30000; cnt++) {
 677                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 678                                 break;
 679
 680                         udelay(10);
 681                 }
 682
 683                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 684         }
 685
 686         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 687
 688         pci_disable_rom(ha->pdev);
 689
 690         /* Get PCI bus information. */
 691         spin_lock_irqsave(&ha->hardware_lock, flags);
 692         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 693         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 694
 695         return QLA_SUCCESS;
 696 }
 697
 698 /**
 699  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 700  * @ha: HA context
 701  *
 702  * Returns 0 on success.
 703  */
 704 int
 705 qla24xx_pci_config(scsi_qla_host_t *vha)
 706 {
 707         uint16_t w;
 708         unsigned long flags = 0;
 709         struct qla_hw_data *ha = vha->hw;
 710         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 711
 712         pci_set_master(ha->pdev);
 713         pci_try_set_mwi(ha->pdev);
 714
 715         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 716         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 717         w &= ~PCI_COMMAND_INTX_DISABLE;
 718         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 719
 720         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 721
 722         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 723         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 724                 pcix_set_mmrbc(ha->pdev, 2048);
 725
 726         /* PCIe -- adjust Maximum Read Request Size (2048). */
 727         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 728                 pcie_set_readrq(ha->pdev, 2048);
 729
 730         pci_disable_rom(ha->pdev);
 731
 732         ha->chip_revision = ha->pdev->revision;
 733
 734         /* Get PCI bus information. */
 735         spin_lock_irqsave(&ha->hardware_lock, flags);
 736         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 737         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 738
 739         return QLA_SUCCESS;
 740 }
 741
 742 /**
 743  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 744  * @ha: HA context
 745  *
 746  * Returns 0 on success.
 747  */
 748 int
 749 qla25xx_pci_config(scsi_qla_host_t *vha)
 750 {
 751         uint16_t w;
 752         struct qla_hw_data *ha = vha->hw;
 753
 754         pci_set_master(ha->pdev);
 755         pci_try_set_mwi(ha->pdev);
 756
 757         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 758         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 759         w &= ~PCI_COMMAND_INTX_DISABLE;
 760         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 761
 762         /* PCIe -- adjust Maximum Read Request Size (2048). */
 763         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 764                 pcie_set_readrq(ha->pdev, 2048);
 765
 766         pci_disable_rom(ha->pdev);
 767
 768         ha->chip_revision = ha->pdev->revision;
 769
 770         return QLA_SUCCESS;
 771 }
 772
 773 /**
 774  * qla2x00_isp_firmware() - Choose firmware image.
 775  * @ha: HA context
 776  *
 777  * Returns 0 on success.
 778  */
 779 static int
 780 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 781 {
 782         int  rval;
 783         uint16_t loop_id, topo, sw_cap;
 784         uint8_t domain, area, al_pa;
 785         struct qla_hw_data *ha = vha->hw;
 786
 787         /* Assume loading risc code */
 788         rval = QLA_FUNCTION_FAILED;
 789
 790         if (ha->flags.disable_risc_code_load) {
 791                 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
 792                     vha->host_no));
 793                 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
 794
 795                 /* Verify checksum of loaded RISC code. */
 796                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 797                 if (rval == QLA_SUCCESS) {
 798                         /* And, verify we are not in ROM code. */
 799                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 800                             &area, &domain, &topo, &sw_cap);
 801                 }
 802         }
 803
 804         if (rval) {
 805                 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
 806                     vha->host_no));
 807         }
 808
 809         return (rval);
 810 }
 811
 812 /**
 813  * qla2x00_reset_chip() - Reset ISP chip.
 814  * @ha: HA context
 815  *
 816  * Returns 0 on success.
 817  */
 818 void
 819 qla2x00_reset_chip(scsi_qla_host_t *vha)
 820 {
 821         unsigned long   flags = 0;
 822         struct qla_hw_data *ha = vha->hw;
 823         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 824         uint32_t        cnt;
 825         uint16_t        cmd;
 826
 827         if (unlikely(pci_channel_offline(ha->pdev)))
 828                 return;
 829
 830         ha->isp_ops->disable_intrs(ha);
 831
 832         spin_lock_irqsave(&ha->hardware_lock, flags);
 833
 834         /* Turn off master enable */
 835         cmd = 0;
 836         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 837         cmd &= ~PCI_COMMAND_MASTER;
 838         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 839
 840         if (!IS_QLA2100(ha)) {
 841                 /* Pause RISC. */
 842                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 843                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 844                         for (cnt = 0; cnt < 30000; cnt++) {
 845                                 if ((RD_REG_WORD(&reg->hccr) &
 846                                     HCCR_RISC_PAUSE) != 0)
 847                                         break;
 848                                 udelay(100);
 849                         }
 850                 } else {
 851                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 852                         udelay(10);
 853                 }
 854
 855                 /* Select FPM registers. */
 856                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 857                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 858
 859                 /* FPM Soft Reset. */
 860                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 861                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 862
 863                 /* Toggle Fpm Reset. */
 864                 if (!IS_QLA2200(ha)) {
 865                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 866                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 867                 }
 868
 869                 /* Select frame buffer registers. */
 870                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 871                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 872
 873                 /* Reset frame buffer FIFOs. */
 874                 if (IS_QLA2200(ha)) {
 875                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 876                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 877                 } else {
 878                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 879
 880                         /* Read back fb_cmd until zero or 3 seconds max */
 881                         for (cnt = 0; cnt < 3000; cnt++) {
 882                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 883                                         break;
 884                                 udelay(100);
 885                         }
 886                 }
 887
 888                 /* Select RISC module registers. */
 889                 WRT_REG_WORD(&reg->ctrl_status, 0);
 890                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 891
 892                 /* Reset RISC processor. */
 893                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 894                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 895
 896                 /* Release RISC processor. */
 897                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 898                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 899         }
 900
 901         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 902         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 903
 904         /* Reset ISP chip. */
 905         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 906
 907         /* Wait for RISC to recover from reset. */
 908         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 909                 /*
 910                  * It is necessary to for a delay here since the card doesn't
 911                  * respond to PCI reads during a reset. On some architectures
 912                  * this will result in an MCA.
 913                  */
 914                 udelay(20);
 915                 for (cnt = 30000; cnt; cnt--) {
 916                         if ((RD_REG_WORD(&reg->ctrl_status) &
 917                             CSR_ISP_SOFT_RESET) == 0)
 918                                 break;
 919                         udelay(100);
 920                 }
 921         } else
 922                 udelay(10);
 923
 924         /* Reset RISC processor. */
 925         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 926
 927         WRT_REG_WORD(&reg->semaphore, 0);
 928
 929         /* Release RISC processor. */
 930         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 931         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 932
 933         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 934                 for (cnt = 0; cnt < 30000; cnt++) {
 935                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 936                                 break;
 937
 938                         udelay(100);
 939                 }
 940         } else
 941                 udelay(100);
 942
 943         /* Turn on master enable */
 944         cmd |= PCI_COMMAND_MASTER;
 945         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 946
 947         /* Disable RISC pause on FPM parity error. */
 948         if (!IS_QLA2100(ha)) {
 949                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 950                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 951         }
 952
 953         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 954 }
 955
 956 /**
 957  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
 958  * @ha: HA context
 959  *
 960  * Returns 0 on success.
 961  */
 962 static inline void
 963 qla24xx_reset_risc(scsi_qla_host_t *vha)
 964 {
 965         unsigned long flags = 0;
 966         struct qla_hw_data *ha = vha->hw;
 967         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 968         uint32_t cnt, d2;
 969         uint16_t wd;
 970
 971         spin_lock_irqsave(&ha->hardware_lock, flags);
 972
 973         /* Reset RISC. */
 974         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 975         for (cnt = 0; cnt < 30000; cnt++) {
 976                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
 977                         break;
 978
 979                 udelay(10);
 980         }
 981
 982         WRT_REG_DWORD(&reg->ctrl_status,
 983             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 984         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
 985
 986         udelay(100);
 987         /* Wait for firmware to complete NVRAM accesses. */
 988         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 989         for (cnt = 10000 ; cnt && d2; cnt--) {
 990                 udelay(5);
 991                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 992                 barrier();
 993         }
 994
 995         /* Wait for soft-reset to complete. */
 996         d2 = RD_REG_DWORD(&reg->ctrl_status);
 997         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
 998                 udelay(5);
 999                 d2 = RD_REG_DWORD(&reg->ctrl_status);
1000                 barrier();
1001         }
1002
1003         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1004         RD_REG_DWORD(&reg->hccr);
1005
1006         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1007         RD_REG_DWORD(&reg->hccr);
1008
1009         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1010         RD_REG_DWORD(&reg->hccr);
1011
1012         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1013         for (cnt = 6000000 ; cnt && d2; cnt--) {
1014                 udelay(5);
1015                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1016                 barrier();
1017         }
1018
1019         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1020
1021         if (IS_NOPOLLING_TYPE(ha))
1022                 ha->isp_ops->enable_intrs(ha);
1023 }
1024
1025 /**
1026  * qla24xx_reset_chip() - Reset ISP24xx chip.
1027  * @ha: HA context
1028  *
1029  * Returns 0 on success.
1030  */
1031 void
1032 qla24xx_reset_chip(scsi_qla_host_t *vha)
1033 {
1034         struct qla_hw_data *ha = vha->hw;
1035
1036         if (pci_channel_offline(ha->pdev) &&
1037             ha->flags.pci_channel_io_perm_failure) {
1038                 return;
1039         }
1040
1041         ha->isp_ops->disable_intrs(ha);
1042
1043         /* Perform RISC reset. */
1044         qla24xx_reset_risc(vha);
1045 }
1046
1047 /**
1048  * qla2x00_chip_diag() - Test chip for proper operation.
1049  * @ha: HA context
1050  *
1051  * Returns 0 on success.
1052  */
1053 int
1054 qla2x00_chip_diag(scsi_qla_host_t *vha)
1055 {
1056         int             rval;
1057         struct qla_hw_data *ha = vha->hw;
1058         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1059         unsigned long   flags = 0;
1060         uint16_t        data;
1061         uint32_t        cnt;
1062         uint16_t        mb[5];
1063         struct req_que *req = ha->req_q_map[0];
1064
1065         /* Assume a failed state */
1066         rval = QLA_FUNCTION_FAILED;
1067
1068         DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
1069             vha->host_no, (u_long)&reg->flash_address));
1070
1071         spin_lock_irqsave(&ha->hardware_lock, flags);
1072
1073         /* Reset ISP chip. */
1074         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1075
1076         /*
1077          * We need to have a delay here since the card will not respond while
1078          * in reset causing an MCA on some architectures.
1079          */
1080         udelay(20);
1081         data = qla2x00_debounce_register(&reg->ctrl_status);
1082         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1083                 udelay(5);
1084                 data = RD_REG_WORD(&reg->ctrl_status);
1085                 barrier();
1086         }
1087
1088         if (!cnt)
1089                 goto chip_diag_failed;
1090
1091         DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
1092             vha->host_no));
1093
1094         /* Reset RISC processor. */
1095         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1096         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1097
1098         /* Workaround for QLA2312 PCI parity error */
1099         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1100                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1101                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1102                         udelay(5);
1103                         data = RD_MAILBOX_REG(ha, reg, 0);
1104                         barrier();
1105                 }
1106         } else
1107                 udelay(10);
1108
1109         if (!cnt)
1110                 goto chip_diag_failed;
1111
1112         /* Check product ID of chip */
1113         DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
1114
1115         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1116         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1117         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1118         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1119         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1120             mb[3] != PROD_ID_3) {
1121                 qla_printk(KERN_WARNING, ha,
1122                     "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
1123
1124                 goto chip_diag_failed;
1125         }
1126         ha->product_id[0] = mb[1];
1127         ha->product_id[1] = mb[2];
1128         ha->product_id[2] = mb[3];
1129         ha->product_id[3] = mb[4];
1130
1131         /* Adjust fw RISC transfer size */
1132         if (req->length > 1024)
1133                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1134         else
1135                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1136                     req->length;
1137
1138         if (IS_QLA2200(ha) &&
1139             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1140                 /* Limit firmware transfer size with a 2200A */
1141                 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
1142                     vha->host_no));
1143
1144                 ha->device_type |= DT_ISP2200A;
1145                 ha->fw_transfer_size = 128;
1146         }
1147
1148         /* Wrap Incoming Mailboxes Test. */
1149         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1150
1151         DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
1152         rval = qla2x00_mbx_reg_test(vha);
1153         if (rval) {
1154                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1155                     vha->host_no));
1156                 qla_printk(KERN_WARNING, ha,
1157                     "Failed mailbox send register test\n");
1158         }
1159         else {
1160                 /* Flag a successful rval */
1161                 rval = QLA_SUCCESS;
1162         }
1163         spin_lock_irqsave(&ha->hardware_lock, flags);
1164
1165 chip_diag_failed:
1166         if (rval)
1167                 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
1168                     "****\n", vha->host_no));
1169
1170         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1171
1172         return (rval);
1173 }
1174
1175 /**
1176  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1177  * @ha: HA context
1178  *
1179  * Returns 0 on success.
1180  */
1181 int
1182 qla24xx_chip_diag(scsi_qla_host_t *vha)
1183 {
1184         int rval;
1185         struct qla_hw_data *ha = vha->hw;
1186         struct req_que *req = ha->req_q_map[0];
1187
1188         if (IS_QLA82XX(ha))
1189                 return QLA_SUCCESS;
1190
1191         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1192
1193         rval = qla2x00_mbx_reg_test(vha);
1194         if (rval) {
1195                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1196                     vha->host_no));
1197                 qla_printk(KERN_WARNING, ha,
1198                     "Failed mailbox send register test\n");
1199         } else {
1200                 /* Flag a successful rval */
1201                 rval = QLA_SUCCESS;
1202         }
1203
1204         return rval;
1205 }
1206
1207 void
1208 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1209 {
1210         int rval;
1211         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1212             eft_size, fce_size, mq_size;
1213         dma_addr_t tc_dma;
1214         void *tc;
1215         struct qla_hw_data *ha = vha->hw;
1216         struct req_que *req = ha->req_q_map[0];
1217         struct rsp_que *rsp = ha->rsp_q_map[0];
1218
1219         if (ha->fw_dump) {
1220                 qla_printk(KERN_WARNING, ha,
1221                     "Firmware dump previously allocated.\n");
1222                 return;
1223         }
1224
1225         ha->fw_dumped = 0;
1226         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1227         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1228                 fixed_size = sizeof(struct qla2100_fw_dump);
1229         } else if (IS_QLA23XX(ha)) {
1230                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1231                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1232                     sizeof(uint16_t);
1233         } else if (IS_FWI2_CAPABLE(ha)) {
1234                 if (IS_QLA81XX(ha))
1235                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1236                 else if (IS_QLA25XX(ha))
1237                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1238                 else
1239                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1240                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1241                     sizeof(uint32_t);
1242                 if (ha->mqenable)
1243                         mq_size = sizeof(struct qla2xxx_mq_chain);
1244                 /* Allocate memory for Fibre Channel Event Buffer. */
1245                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1246                         goto try_eft;
1247
1248                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1249                     GFP_KERNEL);
1250                 if (!tc) {
1251                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1252                             "(%d KB) for FCE.\n", FCE_SIZE / 1024);
1253                         goto try_eft;
1254                 }
1255
1256                 memset(tc, 0, FCE_SIZE);
1257                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1258                     ha->fce_mb, &ha->fce_bufs);
1259                 if (rval) {
1260                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1261                             "FCE (%d).\n", rval);
1262                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1263                             tc_dma);
1264                         ha->flags.fce_enabled = 0;
1265                         goto try_eft;
1266                 }
1267
1268                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1269                     FCE_SIZE / 1024);
1270
1271                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1272                 ha->flags.fce_enabled = 1;
1273                 ha->fce_dma = tc_dma;
1274                 ha->fce = tc;
1275 try_eft:
1276                 /* Allocate memory for Extended Trace Buffer. */
1277                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1278                     GFP_KERNEL);
1279                 if (!tc) {
1280                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1281                             "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1282                         goto cont_alloc;
1283                 }
1284
1285                 memset(tc, 0, EFT_SIZE);
1286                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1287                 if (rval) {
1288                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1289                             "EFT (%d).\n", rval);
1290                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1291                             tc_dma);
1292                         goto cont_alloc;
1293                 }
1294
1295                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1296                     EFT_SIZE / 1024);
1297
1298                 eft_size = EFT_SIZE;
1299                 ha->eft_dma = tc_dma;
1300                 ha->eft = tc;
1301         }
1302 cont_alloc:
1303         req_q_size = req->length * sizeof(request_t);
1304         rsp_q_size = rsp->length * sizeof(response_t);
1305
1306         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1307         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1308         ha->chain_offset = dump_size;
1309         dump_size += mq_size + fce_size;
1310
1311         ha->fw_dump = vmalloc(dump_size);
1312         if (!ha->fw_dump) {
1313                 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1314                     "firmware dump!!!\n", dump_size / 1024);
1315
1316                 if (ha->eft) {
1317                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1318                             ha->eft_dma);
1319                         ha->eft = NULL;
1320                         ha->eft_dma = 0;
1321                 }
1322                 return;
1323         }
1324         qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1325             dump_size / 1024);
1326
1327         ha->fw_dump_len = dump_size;
1328         ha->fw_dump->signature[0] = 'Q';
1329         ha->fw_dump->signature[1] = 'L';
1330         ha->fw_dump->signature[2] = 'G';
1331         ha->fw_dump->signature[3] = 'C';
1332         ha->fw_dump->version = __constant_htonl(1);
1333
1334         ha->fw_dump->fixed_size = htonl(fixed_size);
1335         ha->fw_dump->mem_size = htonl(mem_size);
1336         ha->fw_dump->req_q_size = htonl(req_q_size);
1337         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1338
1339         ha->fw_dump->eft_size = htonl(eft_size);
1340         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1341         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1342
1343         ha->fw_dump->header_size =
1344             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1345 }
1346
1347 static int
1348 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1349 {
1350 #define MPS_MASK        0xe0
1351         int rval;
1352         uint16_t dc;
1353         uint32_t dw;
1354         struct qla_hw_data *ha = vha->hw;
1355
1356         if (!IS_QLA81XX(vha->hw))
1357                 return QLA_SUCCESS;
1358
1359         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1360         if (rval != QLA_SUCCESS) {
1361                 DEBUG2(qla_printk(KERN_WARNING, ha,
1362                     "Sync-MPI: Unable to acquire semaphore.\n"));
1363                 goto done;
1364         }
1365
1366         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1367         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1368         if (rval != QLA_SUCCESS) {
1369                 DEBUG2(qla_printk(KERN_WARNING, ha,
1370                     "Sync-MPI: Unable to read sync.\n"));
1371                 goto done_release;
1372         }
1373
1374         dc &= MPS_MASK;
1375         if (dc == (dw & MPS_MASK))
1376                 goto done_release;
1377
1378         dw &= ~MPS_MASK;
1379         dw |= dc;
1380         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1381         if (rval != QLA_SUCCESS) {
1382                 DEBUG2(qla_printk(KERN_WARNING, ha,
1383                     "Sync-MPI: Unable to gain sync.\n"));
1384         }
1385
1386 done_release:
1387         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1388         if (rval != QLA_SUCCESS) {
1389                 DEBUG2(qla_printk(KERN_WARNING, ha,
1390                     "Sync-MPI: Unable to release semaphore.\n"));
1391         }
1392
1393 done:
1394         return rval;
1395 }
1396
1397 /**
1398  * qla2x00_setup_chip() - Load and start RISC firmware.
1399  * @ha: HA context
1400  *
1401  * Returns 0 on success.
1402  */
1403 static int
1404 qla2x00_setup_chip(scsi_qla_host_t *vha)
1405 {
1406         int rval;
1407         uint32_t srisc_address = 0;
1408         struct qla_hw_data *ha = vha->hw;
1409         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1410         unsigned long flags;
1411         uint16_t fw_major_version;
1412
1413         if (IS_QLA82XX(ha)) {
1414                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1415                 if (rval == QLA_SUCCESS) {
1416                         qla2x00_stop_firmware(vha);
1417                         goto enable_82xx_npiv;
1418                 } else
1419                         goto failed;
1420         }
1421
1422         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1423                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1424                 spin_lock_irqsave(&ha->hardware_lock, flags);
1425                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1426                 RD_REG_WORD(&reg->hccr);
1427                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1428         }
1429
1430         qla81xx_mpi_sync(vha);
1431
1432         /* Load firmware sequences */
1433         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1434         if (rval == QLA_SUCCESS) {
1435                 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1436                     "code.\n", vha->host_no));
1437
1438                 rval = qla2x00_verify_checksum(vha, srisc_address);
1439                 if (rval == QLA_SUCCESS) {
1440                         /* Start firmware execution. */
1441                         DEBUG(printk("scsi(%ld): Checksum OK, start "
1442                             "firmware.\n", vha->host_no));
1443
1444                         rval = qla2x00_execute_fw(vha, srisc_address);
1445                         /* Retrieve firmware information. */
1446                         if (rval == QLA_SUCCESS) {
1447 enable_82xx_npiv:
1448                                 fw_major_version = ha->fw_major_version;
1449                                 rval = qla2x00_get_fw_version(vha,
1450                                     &ha->fw_major_version,
1451                                     &ha->fw_minor_version,
1452                                     &ha->fw_subminor_version,
1453                                     &ha->fw_attributes, &ha->fw_memory_size,
1454                                     ha->mpi_version, &ha->mpi_capabilities,
1455                                     ha->phy_version);
1456                                 if (rval != QLA_SUCCESS)
1457                                         goto failed;
1458                                 ha->flags.npiv_supported = 0;
1459                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1460                                          (ha->fw_attributes & BIT_2)) {
1461                                         ha->flags.npiv_supported = 1;
1462                                         if ((!ha->max_npiv_vports) ||
1463                                             ((ha->max_npiv_vports + 1) %
1464                                             MIN_MULTI_ID_FABRIC))
1465                                                 ha->max_npiv_vports =
1466                                                     MIN_MULTI_ID_FABRIC - 1;
1467                                 }
1468                                 qla2x00_get_resource_cnts(vha, NULL,
1469                                     &ha->fw_xcb_count, NULL, NULL,
1470                                     &ha->max_npiv_vports, NULL);
1471
1472                                 if (!fw_major_version && ql2xallocfwdump) {
1473                                         if (!IS_QLA82XX(ha))
1474                                                 qla2x00_alloc_fw_dump(vha);
1475                                 }
1476                         }
1477                 } else {
1478                         DEBUG2(printk(KERN_INFO
1479                             "scsi(%ld): ISP Firmware failed checksum.\n",
1480                             vha->host_no));
1481                 }
1482         }
1483
1484         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1485                 /* Enable proper parity. */
1486                 spin_lock_irqsave(&ha->hardware_lock, flags);
1487                 if (IS_QLA2300(ha))
1488                         /* SRAM parity */
1489                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1490                 else
1491                         /* SRAM, Instruction RAM and GP RAM parity */
1492                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1493                 RD_REG_WORD(&reg->hccr);
1494                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1495         }
1496
1497         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1498                 uint32_t size;
1499
1500                 rval = qla81xx_fac_get_sector_size(vha, &size);
1501                 if (rval == QLA_SUCCESS) {
1502                         ha->flags.fac_supported = 1;
1503                         ha->fdt_block_size = size << 2;
1504                 } else {
1505                         qla_printk(KERN_ERR, ha,
1506                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1507                             ha->fw_major_version, ha->fw_minor_version,
1508                             ha->fw_subminor_version);
1509                 }
1510         }
1511 failed:
1512         if (rval) {
1513                 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1514                     vha->host_no));
1515         }
1516
1517         return (rval);
1518 }
1519
1520 /**
1521  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1522  * @ha: HA context
1523  *
1524  * Beginning of request ring has initialization control block already built
1525  * by nvram config routine.
1526  *
1527  * Returns 0 on success.
1528  */
1529 void
1530 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1531 {
1532         uint16_t cnt;
1533         response_t *pkt;
1534
1535         rsp->ring_ptr = rsp->ring;
1536         rsp->ring_index    = 0;
1537         rsp->status_srb = NULL;
1538         pkt = rsp->ring_ptr;
1539         for (cnt = 0; cnt < rsp->length; cnt++) {
1540                 pkt->signature = RESPONSE_PROCESSED;
1541                 pkt++;
1542         }
1543 }
1544
1545 /**
1546  * qla2x00_update_fw_options() - Read and process firmware options.
1547  * @ha: HA context
1548  *
1549  * Returns 0 on success.
1550  */
1551 void
1552 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1553 {
1554         uint16_t swing, emphasis, tx_sens, rx_sens;
1555         struct qla_hw_data *ha = vha->hw;
1556
1557         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1558         qla2x00_get_fw_options(vha, ha->fw_options);
1559
1560         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1561                 return;
1562
1563         /* Serial Link options. */
1564         DEBUG3(printk("scsi(%ld): Serial link options:\n",
1565             vha->host_no));
1566         DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1567             sizeof(ha->fw_seriallink_options)));
1568
1569         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1570         if (ha->fw_seriallink_options[3] & BIT_2) {
1571                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1572
1573                 /*  1G settings */
1574                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1575                 emphasis = (ha->fw_seriallink_options[2] &
1576                     (BIT_4 | BIT_3)) >> 3;
1577                 tx_sens = ha->fw_seriallink_options[0] &
1578                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1579                 rx_sens = (ha->fw_seriallink_options[0] &
1580                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1581                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1582                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1583                         if (rx_sens == 0x0)
1584                                 rx_sens = 0x3;
1585                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1586                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1587                         ha->fw_options[10] |= BIT_5 |
1588                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1589                             (tx_sens & (BIT_1 | BIT_0));
1590
1591                 /*  2G settings */
1592                 swing = (ha->fw_seriallink_options[2] &
1593                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1594                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1595                 tx_sens = ha->fw_seriallink_options[1] &
1596                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1597                 rx_sens = (ha->fw_seriallink_options[1] &
1598                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1599                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1600                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1601                         if (rx_sens == 0x0)
1602                                 rx_sens = 0x3;
1603                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1604                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1605                         ha->fw_options[11] |= BIT_5 |
1606                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1607                             (tx_sens & (BIT_1 | BIT_0));
1608         }
1609
1610         /* FCP2 options. */
1611         /*  Return command IOCBs without waiting for an ABTS to complete. */
1612         ha->fw_options[3] |= BIT_13;
1613
1614         /* LED scheme. */
1615         if (ha->flags.enable_led_scheme)
1616                 ha->fw_options[2] |= BIT_12;
1617
1618         /* Detect ISP6312. */
1619         if (IS_QLA6312(ha))
1620                 ha->fw_options[2] |= BIT_13;
1621
1622         /* Update firmware options. */
1623         qla2x00_set_fw_options(vha, ha->fw_options);
1624 }
1625
1626 void
1627 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1628 {
1629         int rval;
1630         struct qla_hw_data *ha = vha->hw;
1631
1632         if (IS_QLA82XX(ha))
1633                 return;
1634
1635         /* Update Serial Link options. */
1636         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1637                 return;
1638
1639         rval = qla2x00_set_serdes_params(vha,
1640             le16_to_cpu(ha->fw_seriallink_options24[1]),
1641             le16_to_cpu(ha->fw_seriallink_options24[2]),
1642             le16_to_cpu(ha->fw_seriallink_options24[3]));
1643         if (rval != QLA_SUCCESS) {
1644                 qla_printk(KERN_WARNING, ha,
1645                     "Unable to update Serial Link options (%x).\n", rval);
1646         }
1647 }
1648
1649 void
1650 qla2x00_config_rings(struct scsi_qla_host *vha)
1651 {
1652         struct qla_hw_data *ha = vha->hw;
1653         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1654         struct req_que *req = ha->req_q_map[0];
1655         struct rsp_que *rsp = ha->rsp_q_map[0];
1656
1657         /* Setup ring parameters in initialization control block. */
1658         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1659         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1660         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1661         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1662         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1663         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1664         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1665         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1666
1667         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1668         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1669         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1670         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1671         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1672 }
1673
1674 void
1675 qla24xx_config_rings(struct scsi_qla_host *vha)
1676 {
1677         struct qla_hw_data *ha = vha->hw;
1678         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1679         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1680         struct qla_msix_entry *msix;
1681         struct init_cb_24xx *icb;
1682         uint16_t rid = 0;
1683         struct req_que *req = ha->req_q_map[0];
1684         struct rsp_que *rsp = ha->rsp_q_map[0];
1685
1686 /* Setup ring parameters in initialization control block. */
1687         icb = (struct init_cb_24xx *)ha->init_cb;
1688         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1689         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1690         icb->request_q_length = cpu_to_le16(req->length);
1691         icb->response_q_length = cpu_to_le16(rsp->length);
1692         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1693         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1694         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1695         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1696
1697         if (ha->mqenable) {
1698                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1699                 icb->rid = __constant_cpu_to_le16(rid);
1700                 if (ha->flags.msix_enabled) {
1701                         msix = &ha->msix_entries[1];
1702                         DEBUG2_17(printk(KERN_INFO
1703                         "Registering vector 0x%x for base que\n", msix->entry));
1704                         icb->msix = cpu_to_le16(msix->entry);
1705                 }
1706                 /* Use alternate PCI bus number */
1707                 if (MSB(rid))
1708                         icb->firmware_options_2 |=
1709                                 __constant_cpu_to_le32(BIT_19);
1710                 /* Use alternate PCI devfn */
1711                 if (LSB(rid))
1712                         icb->firmware_options_2 |=
1713                                 __constant_cpu_to_le32(BIT_18);
1714
1715                 /* Use Disable MSIX Handshake mode for capable adapters */
1716                 if (IS_MSIX_NACK_CAPABLE(ha)) {
1717                         icb->firmware_options_2 &=
1718                                 __constant_cpu_to_le32(~BIT_22);
1719                         ha->flags.disable_msix_handshake = 1;
1720                         qla_printk(KERN_INFO, ha,
1721                                 "MSIX Handshake Disable Mode turned on\n");
1722                 } else {
1723                         icb->firmware_options_2 |=
1724                                 __constant_cpu_to_le32(BIT_22);
1725                 }
1726                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1727
1728                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1729                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1730                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1731                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1732         } else {
1733                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1734                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1735                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1736                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1737         }
1738         /* PCI posting */
1739         RD_REG_DWORD(&ioreg->hccr);
1740 }
1741
1742 /**
1743  * qla2x00_init_rings() - Initializes firmware.
1744  * @ha: HA context
1745  *
1746  * Beginning of request ring has initialization control block already built
1747  * by nvram config routine.
1748  *
1749  * Returns 0 on success.
1750  */
1751 static int
1752 qla2x00_init_rings(scsi_qla_host_t *vha)
1753 {
1754         int     rval;
1755         unsigned long flags = 0;
1756         int cnt, que;
1757         struct qla_hw_data *ha = vha->hw;
1758         struct req_que *req;
1759         struct rsp_que *rsp;
1760         struct scsi_qla_host *vp;
1761         struct mid_init_cb_24xx *mid_init_cb =
1762             (struct mid_init_cb_24xx *) ha->init_cb;
1763
1764         spin_lock_irqsave(&ha->hardware_lock, flags);
1765
1766         /* Clear outstanding commands array. */
1767         for (que = 0; que < ha->max_req_queues; que++) {
1768                 req = ha->req_q_map[que];
1769                 if (!req)
1770                         continue;
1771                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1772                         req->outstanding_cmds[cnt] = NULL;
1773
1774                 req->current_outstanding_cmd = 1;
1775
1776                 /* Initialize firmware. */
1777                 req->ring_ptr  = req->ring;
1778                 req->ring_index    = 0;
1779                 req->cnt      = req->length;
1780         }
1781
1782         for (que = 0; que < ha->max_rsp_queues; que++) {
1783                 rsp = ha->rsp_q_map[que];
1784                 if (!rsp)
1785                         continue;
1786                 /* Initialize response queue entries */
1787                 qla2x00_init_response_q_entries(rsp);
1788         }
1789
1790         spin_lock_irqsave(&ha->vport_slock, flags);
1791         /* Clear RSCN queue. */
1792         list_for_each_entry(vp, &ha->vp_list, list) {
1793                 vp->rscn_in_ptr = 0;
1794                 vp->rscn_out_ptr = 0;
1795         }
1796
1797         spin_unlock_irqrestore(&ha->vport_slock, flags);
1798
1799         ha->isp_ops->config_rings(vha);
1800
1801         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1802
1803         /* Update any ISP specific firmware options before initialization. */
1804         ha->isp_ops->update_fw_options(vha);
1805
1806         DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1807
1808         if (ha->flags.npiv_supported) {
1809                 if (ha->operating_mode == LOOP)
1810                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1811                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1812         }
1813
1814         if (IS_FWI2_CAPABLE(ha)) {
1815                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1816                 mid_init_cb->init_cb.execution_throttle =
1817                     cpu_to_le16(ha->fw_xcb_count);
1818         }
1819
1820         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1821         if (rval) {
1822                 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1823                     vha->host_no));
1824         } else {
1825                 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1826                     vha->host_no));
1827         }
1828
1829         return (rval);
1830 }
1831
1832 /**
1833  * qla2x00_fw_ready() - Waits for firmware ready.
1834  * @ha: HA context
1835  *
1836  * Returns 0 on success.
1837  */
1838 static int
1839 qla2x00_fw_ready(scsi_qla_host_t *vha)
1840 {
1841         int             rval;
1842         unsigned long   wtime, mtime, cs84xx_time;
1843         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1844         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1845         uint16_t        state[5];
1846         struct qla_hw_data *ha = vha->hw;
1847
1848         rval = QLA_SUCCESS;
1849
1850         /* 20 seconds for loop down. */
1851         min_wait = 20;
1852
1853         /*
1854          * Firmware should take at most one RATOV to login, plus 5 seconds for
1855          * our own processing.
1856          */
1857         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1858                 wait_time = min_wait;
1859         }
1860
1861         /* Min wait time if loop down */
1862         mtime = jiffies + (min_wait * HZ);
1863
1864         /* wait time before firmware ready */
1865         wtime = jiffies + (wait_time * HZ);
1866
1867         /* Wait for ISP to finish LIP */
1868         if (!vha->flags.init_done)
1869                 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1870
1871         DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1872             vha->host_no));
1873
1874         do {
1875                 rval = qla2x00_get_firmware_state(vha, state);
1876                 if (rval == QLA_SUCCESS) {
1877                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1878                                 vha->device_flags &= ~DFLG_NO_CABLE;
1879                         }
1880                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1881                                 DEBUG16(printk("scsi(%ld): fw_state=%x "
1882                                     "84xx=%x.\n", vha->host_no, state[0],
1883                                     state[2]));
1884                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1885                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1886                                         DEBUG16(printk("scsi(%ld): Sending "
1887                                             "verify iocb.\n", vha->host_no));
1888
1889                                         cs84xx_time = jiffies;
1890                                         rval = qla84xx_init_chip(vha);
1891                                         if (rval != QLA_SUCCESS)
1892                                                 break;
1893
1894                                         /* Add time taken to initialize. */
1895                                         cs84xx_time = jiffies - cs84xx_time;
1896                                         wtime += cs84xx_time;
1897                                         mtime += cs84xx_time;
1898                                         DEBUG16(printk("scsi(%ld): Increasing "
1899                                             "wait time by %ld. New time %ld\n",
1900                                             vha->host_no, cs84xx_time, wtime));
1901                                 }
1902                         } else if (state[0] == FSTATE_READY) {
1903                                 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1904                                     vha->host_no));
1905
1906                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1907                                     &ha->login_timeout, &ha->r_a_tov);
1908
1909                                 rval = QLA_SUCCESS;
1910                                 break;
1911                         }
1912
1913                         rval = QLA_FUNCTION_FAILED;
1914
1915                         if (atomic_read(&vha->loop_down_timer) &&
1916                             state[0] != FSTATE_READY) {
1917                                 /* Loop down. Timeout on min_wait for states
1918                                  * other than Wait for Login.
1919                                  */
1920                                 if (time_after_eq(jiffies, mtime)) {
1921                                         qla_printk(KERN_INFO, ha,
1922                                             "Cable is unplugged...\n");
1923
1924                                         vha->device_flags |= DFLG_NO_CABLE;
1925                                         break;
1926                                 }
1927                         }
1928                 } else {
1929                         /* Mailbox cmd failed. Timeout on min_wait. */
1930                         if (time_after_eq(jiffies, mtime) ||
1931                             (IS_QLA82XX(ha) && ha->flags.fw_hung))
1932                                 break;
1933                 }
1934
1935                 if (time_after_eq(jiffies, wtime))
1936                         break;
1937
1938                 /* Delay for a while */
1939                 msleep(500);
1940
1941                 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1942                     vha->host_no, state[0], jiffies));
1943         } while (1);
1944
1945         DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1946             vha->host_no, state[0], state[1], state[2], state[3], state[4],
1947             jiffies));
1948
1949         if (rval) {
1950                 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1951                     vha->host_no));
1952         }
1953
1954         return (rval);
1955 }
1956
1957 /*
1958 *  qla2x00_configure_hba
1959 *      Setup adapter context.
1960 *
1961 * Input:
1962 *      ha = adapter state pointer.
1963 *
1964 * Returns:
1965 *      0 = success
1966 *
1967 * Context:
1968 *      Kernel context.
1969 */
1970 static int
1971 qla2x00_configure_hba(scsi_qla_host_t *vha)
1972 {
1973         int       rval;
1974         uint16_t      loop_id;
1975         uint16_t      topo;
1976         uint16_t      sw_cap;
1977         uint8_t       al_pa;
1978         uint8_t       area;
1979         uint8_t       domain;
1980         char            connect_type[22];
1981         struct qla_hw_data *ha = vha->hw;
1982
1983         /* Get host addresses. */
1984         rval = qla2x00_get_adapter_id(vha,
1985             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1986         if (rval != QLA_SUCCESS) {
1987                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1988                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1989                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1990                             __func__, vha->host_no));
1991                 } else {
1992                         qla_printk(KERN_WARNING, ha,
1993                             "ERROR -- Unable to get host loop ID.\n");
1994                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1995                 }
1996                 return (rval);
1997         }
1998
1999         if (topo == 4) {
2000                 qla_printk(KERN_INFO, ha,
2001                         "Cannot get topology - retrying.\n");
2002                 return (QLA_FUNCTION_FAILED);
2003         }
2004
2005         vha->loop_id = loop_id;
2006
2007         /* initialize */
2008         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2009         ha->operating_mode = LOOP;
2010         ha->switch_cap = 0;
2011
2012         switch (topo) {
2013         case 0:
2014                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
2015                     vha->host_no));
2016                 ha->current_topology = ISP_CFG_NL;
2017                 strcpy(connect_type, "(Loop)");
2018                 break;
2019
2020         case 1:
2021                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
2022                     vha->host_no));
2023                 ha->switch_cap = sw_cap;
2024                 ha->current_topology = ISP_CFG_FL;
2025                 strcpy(connect_type, "(FL_Port)");
2026                 break;
2027
2028         case 2:
2029                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
2030                     vha->host_no));
2031                 ha->operating_mode = P2P;
2032                 ha->current_topology = ISP_CFG_N;
2033                 strcpy(connect_type, "(N_Port-to-N_Port)");
2034                 break;
2035
2036         case 3:
2037                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
2038                     vha->host_no));
2039                 ha->switch_cap = sw_cap;
2040                 ha->operating_mode = P2P;
2041                 ha->current_topology = ISP_CFG_F;
2042                 strcpy(connect_type, "(F_Port)");
2043                 break;
2044
2045         default:
2046                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
2047                     "Using NL.\n",
2048                     vha->host_no, topo));
2049                 ha->current_topology = ISP_CFG_NL;
2050                 strcpy(connect_type, "(Loop)");
2051                 break;
2052         }
2053
2054         /* Save Host port and loop ID. */
2055         /* byte order - Big Endian */
2056         vha->d_id.b.domain = domain;
2057         vha->d_id.b.area = area;
2058         vha->d_id.b.al_pa = al_pa;
2059
2060         if (!vha->flags.init_done)
2061                 qla_printk(KERN_INFO, ha,
2062                     "Topology - %s, Host Loop address 0x%x\n",
2063                     connect_type, vha->loop_id);
2064
2065         if (rval) {
2066                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
2067         } else {
2068                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
2069         }
2070
2071         return(rval);
2072 }
2073
2074 inline void
2075 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2076         char *def)
2077 {
2078         char *st, *en;
2079         uint16_t index;
2080         struct qla_hw_data *ha = vha->hw;
2081         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2082             !IS_QLA8XXX_TYPE(ha);
2083
2084         if (memcmp(model, BINZERO, len) != 0) {
2085                 strncpy(ha->model_number, model, len);
2086                 st = en = ha->model_number;
2087                 en += len - 1;
2088                 while (en > st) {
2089                         if (*en != 0x20 && *en != 0x00)
2090                                 break;
2091                         *en-- = '\0';
2092                 }
2093
2094                 index = (ha->pdev->subsystem_device & 0xff);
2095                 if (use_tbl &&
2096                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2097                     index < QLA_MODEL_NAMES)
2098                         strncpy(ha->model_desc,
2099                             qla2x00_model_name[index * 2 + 1],
2100                             sizeof(ha->model_desc) - 1);
2101         } else {
2102                 index = (ha->pdev->subsystem_device & 0xff);
2103                 if (use_tbl &&
2104                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2105                     index < QLA_MODEL_NAMES) {
2106                         strcpy(ha->model_number,
2107                             qla2x00_model_name[index * 2]);
2108                         strncpy(ha->model_desc,
2109                             qla2x00_model_name[index * 2 + 1],
2110                             sizeof(ha->model_desc) - 1);
2111                 } else {
2112                         strcpy(ha->model_number, def);
2113                 }
2114         }
2115         if (IS_FWI2_CAPABLE(ha))
2116                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2117                     sizeof(ha->model_desc));
2118 }
2119
2120 /* On sparc systems, obtain port and node WWN from firmware
2121  * properties.
2122  */
2123 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2124 {
2125 #ifdef CONFIG_SPARC
2126         struct qla_hw_data *ha = vha->hw;
2127         struct pci_dev *pdev = ha->pdev;
2128         struct device_node *dp = pci_device_to_OF_node(pdev);
2129         const u8 *val;
2130         int len;
2131
2132         val = of_get_property(dp, "port-wwn", &len);
2133         if (val && len >= WWN_SIZE)
2134                 memcpy(nv->port_name, val, WWN_SIZE);
2135
2136         val = of_get_property(dp, "node-wwn", &len);
2137         if (val && len >= WWN_SIZE)
2138                 memcpy(nv->node_name, val, WWN_SIZE);
2139 #endif
2140 }
2141
2142 /*
2143 * NVRAM configuration for ISP 2xxx
2144 *
2145 * Input:
2146 *      ha                = adapter block pointer.
2147 *
2148 * Output:
2149 *      initialization control block in response_ring
2150 *      host adapters parameters in host adapter block
2151 *
2152 * Returns:
2153 *      0 = success.
2154 */
2155 int
2156 qla2x00_nvram_config(scsi_qla_host_t *vha)
2157 {
2158         int             rval;
2159         uint8_t         chksum = 0;
2160         uint16_t        cnt;
2161         uint8_t         *dptr1, *dptr2;
2162         struct qla_hw_data *ha = vha->hw;
2163         init_cb_t       *icb = ha->init_cb;
2164         nvram_t         *nv = ha->nvram;
2165         uint8_t         *ptr = ha->nvram;
2166         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2167
2168         rval = QLA_SUCCESS;
2169
2170         /* Determine NVRAM starting address. */
2171         ha->nvram_size = sizeof(nvram_t);
2172         ha->nvram_base = 0;
2173         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2174                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2175                         ha->nvram_base = 0x80;
2176
2177         /* Get NVRAM data and calculate checksum. */
2178         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2179         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2180                 chksum += *ptr++;
2181
2182         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
2183         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
2184
2185         /* Bad NVRAM data, set defaults parameters. */
2186         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2187             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2188                 /* Reset NVRAM data. */
2189                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
2190                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
2191                     nv->nvram_version);
2192                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
2193                     "invalid -- WWPN) defaults.\n");
2194
2195                 /*
2196                  * Set default initialization control block.
2197                  */
2198                 memset(nv, 0, ha->nvram_size);
2199                 nv->parameter_block_version = ICB_VERSION;
2200
2201                 if (IS_QLA23XX(ha)) {
2202                         nv->firmware_options[0] = BIT_2 | BIT_1;
2203                         nv->firmware_options[1] = BIT_7 | BIT_5;
2204                         nv->add_firmware_options[0] = BIT_5;
2205                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2206                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2207                         nv->special_options[1] = BIT_7;
2208                 } else if (IS_QLA2200(ha)) {
2209                         nv->firmware_options[0] = BIT_2 | BIT_1;
2210                         nv->firmware_options[1] = BIT_7 | BIT_5;
2211                         nv->add_firmware_options[0] = BIT_5;
2212                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2213                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2214                 } else if (IS_QLA2100(ha)) {
2215                         nv->firmware_options[0] = BIT_3 | BIT_1;
2216                         nv->firmware_options[1] = BIT_5;
2217                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2218                 }
2219
2220                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2221                 nv->execution_throttle = __constant_cpu_to_le16(16);
2222                 nv->retry_count = 8;
2223                 nv->retry_delay = 1;
2224
2225                 nv->port_name[0] = 33;
2226                 nv->port_name[3] = 224;
2227                 nv->port_name[4] = 139;
2228
2229                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2230
2231                 nv->login_timeout = 4;
2232
2233                 /*
2234                  * Set default host adapter parameters
2235                  */
2236                 nv->host_p[1] = BIT_2;
2237                 nv->reset_delay = 5;
2238                 nv->port_down_retry_count = 8;
2239                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2240                 nv->link_down_timeout = 60;
2241
2242                 rval = 1;
2243         }
2244
2245 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2246         /*
2247          * The SN2 does not provide BIOS emulation which means you can't change
2248          * potentially bogus BIOS settings. Force the use of default settings
2249          * for link rate and frame size.  Hope that the rest of the settings
2250          * are valid.
2251          */
2252         if (ia64_platform_is("sn2")) {
2253                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2254                 if (IS_QLA23XX(ha))
2255                         nv->special_options[1] = BIT_7;
2256         }
2257 #endif
2258
2259         /* Reset Initialization control block */
2260         memset(icb, 0, ha->init_cb_size);
2261
2262         /*
2263          * Setup driver NVRAM options.
2264          */
2265         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2266         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2267         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2268         nv->firmware_options[1] &= ~BIT_4;
2269
2270         if (IS_QLA23XX(ha)) {
2271                 nv->firmware_options[0] |= BIT_2;
2272                 nv->firmware_options[0] &= ~BIT_3;
2273                 nv->firmware_options[0] &= ~BIT_6;
2274                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2275
2276                 if (IS_QLA2300(ha)) {
2277                         if (ha->fb_rev == FPM_2310) {
2278                                 strcpy(ha->model_number, "QLA2310");
2279                         } else {
2280                                 strcpy(ha->model_number, "QLA2300");
2281                         }
2282                 } else {
2283                         qla2x00_set_model_info(vha, nv->model_number,
2284                             sizeof(nv->model_number), "QLA23xx");
2285                 }
2286         } else if (IS_QLA2200(ha)) {
2287                 nv->firmware_options[0] |= BIT_2;
2288                 /*
2289                  * 'Point-to-point preferred, else loop' is not a safe
2290                  * connection mode setting.
2291                  */
2292                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2293                     (BIT_5 | BIT_4)) {
2294                         /* Force 'loop preferred, else point-to-point'. */
2295                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2296                         nv->add_firmware_options[0] |= BIT_5;
2297                 }
2298                 strcpy(ha->model_number, "QLA22xx");
2299         } else /*if (IS_QLA2100(ha))*/ {
2300                 strcpy(ha->model_number, "QLA2100");
2301         }
2302
2303         /*
2304          * Copy over NVRAM RISC parameter block to initialization control block.
2305          */
2306         dptr1 = (uint8_t *)icb;
2307         dptr2 = (uint8_t *)&nv->parameter_block_version;
2308         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2309         while (cnt--)
2310                 *dptr1++ = *dptr2++;
2311
2312         /* Copy 2nd half. */
2313         dptr1 = (uint8_t *)icb->add_firmware_options;
2314         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2315         while (cnt--)
2316                 *dptr1++ = *dptr2++;
2317
2318         /* Use alternate WWN? */
2319         if (nv->host_p[1] & BIT_7) {
2320                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2321                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2322         }
2323
2324         /* Prepare nodename */
2325         if ((icb->firmware_options[1] & BIT_6) == 0) {
2326                 /*
2327                  * Firmware will apply the following mask if the nodename was
2328                  * not provided.
2329                  */
2330                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2331                 icb->node_name[0] &= 0xF0;
2332         }
2333
2334         /*
2335          * Set host adapter parameters.
2336          */
2337         if (nv->host_p[0] & BIT_7)
2338                 ql2xextended_error_logging = 1;
2339         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2340         /* Always load RISC code on non ISP2[12]00 chips. */
2341         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2342                 ha->flags.disable_risc_code_load = 0;
2343         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2344         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2345         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2346         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2347         ha->flags.disable_serdes = 0;
2348
2349         ha->operating_mode =
2350             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2351
2352         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2353             sizeof(ha->fw_seriallink_options));
2354
2355         /* save HBA serial number */
2356         ha->serial0 = icb->port_name[5];
2357         ha->serial1 = icb->port_name[6];
2358         ha->serial2 = icb->port_name[7];
2359         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2360         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2361
2362         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2363
2364         ha->retry_count = nv->retry_count;
2365
2366         /* Set minimum login_timeout to 4 seconds. */
2367         if (nv->login_timeout != ql2xlogintimeout)
2368                 nv->login_timeout = ql2xlogintimeout;
2369         if (nv->login_timeout < 4)
2370                 nv->login_timeout = 4;
2371         ha->login_timeout = nv->login_timeout;
2372         icb->login_timeout = nv->login_timeout;
2373
2374         /* Set minimum RATOV to 100 tenths of a second. */
2375         ha->r_a_tov = 100;
2376
2377         ha->loop_reset_delay = nv->reset_delay;
2378
2379         /* Link Down Timeout = 0:
2380          *
2381          *      When Port Down timer expires we will start returning
2382          *      I/O's to OS with "DID_NO_CONNECT".
2383          *
2384          * Link Down Timeout != 0:
2385          *
2386          *       The driver waits for the link to come up after link down
2387          *       before returning I/Os to OS with "DID_NO_CONNECT".
2388          */
2389         if (nv->link_down_timeout == 0) {
2390                 ha->loop_down_abort_time =
2391                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2392         } else {
2393                 ha->link_down_timeout =  nv->link_down_timeout;
2394                 ha->loop_down_abort_time =
2395                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2396         }
2397
2398         /*
2399          * Need enough time to try and get the port back.
2400          */
2401         ha->port_down_retry_count = nv->port_down_retry_count;
2402         if (qlport_down_retry)
2403                 ha->port_down_retry_count = qlport_down_retry;
2404         /* Set login_retry_count */
2405         ha->login_retry_count  = nv->retry_count;
2406         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2407             ha->port_down_retry_count > 3)
2408                 ha->login_retry_count = ha->port_down_retry_count;
2409         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2410                 ha->login_retry_count = ha->port_down_retry_count;
2411         if (ql2xloginretrycount)
2412                 ha->login_retry_count = ql2xloginretrycount;
2413
2414         icb->lun_enables = __constant_cpu_to_le16(0);
2415         icb->command_resource_count = 0;
2416         icb->immediate_notify_resource_count = 0;
2417         icb->timeout = __constant_cpu_to_le16(0);
2418
2419         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2420                 /* Enable RIO */
2421                 icb->firmware_options[0] &= ~BIT_3;
2422                 icb->add_firmware_options[0] &=
2423                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2424                 icb->add_firmware_options[0] |= BIT_2;
2425                 icb->response_accumulation_timer = 3;
2426                 icb->interrupt_delay_timer = 5;
2427
2428                 vha->flags.process_response_queue = 1;
2429         } else {
2430                 /* Enable ZIO. */
2431                 if (!vha->flags.init_done) {
2432                         ha->zio_mode = icb->add_firmware_options[0] &
2433                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2434                         ha->zio_timer = icb->interrupt_delay_timer ?
2435                             icb->interrupt_delay_timer: 2;
2436                 }
2437                 icb->add_firmware_options[0] &=
2438                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2439                 vha->flags.process_response_queue = 0;
2440                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2441                         ha->zio_mode = QLA_ZIO_MODE_6;
2442
2443                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2444                             "delay (%d us).\n", vha->host_no, ha->zio_mode,
2445                             ha->zio_timer * 100));
2446                         qla_printk(KERN_INFO, ha,
2447                             "ZIO mode %d enabled; timer delay (%d us).\n",
2448                             ha->zio_mode, ha->zio_timer * 100);
2449
2450                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2451                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2452                         vha->flags.process_response_queue = 1;
2453                 }
2454         }
2455
2456         if (rval) {
2457                 DEBUG2_3(printk(KERN_WARNING
2458                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2459         }
2460         return (rval);
2461 }
2462
2463 static void
2464 qla2x00_rport_del(void *data)
2465 {
2466         fc_port_t *fcport = data;
2467         struct fc_rport *rport;
2468
2469         spin_lock_irq(fcport->vha->host->host_lock);
2470         rport = fcport->drport ? fcport->drport: fcport->rport;
2471         fcport->drport = NULL;
2472         spin_unlock_irq(fcport->vha->host->host_lock);
2473         if (rport)
2474                 fc_remote_port_delete(rport);
2475 }
2476
2477 /**
2478  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2479  * @ha: HA context
2480  * @flags: allocation flags
2481  *
2482  * Returns a pointer to the allocated fcport, or NULL, if none available.
2483  */
2484 fc_port_t *
2485 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2486 {
2487         fc_port_t *fcport;
2488
2489         fcport = kzalloc(sizeof(fc_port_t), flags);
2490         if (!fcport)
2491                 return NULL;
2492
2493         /* Setup fcport template structure. */
2494         fcport->vha = vha;
2495         fcport->vp_idx = vha->vp_idx;
2496         fcport->port_type = FCT_UNKNOWN;
2497         fcport->loop_id = FC_NO_LOOP_ID;
2498         atomic_set(&fcport->state, FCS_UNCONFIGURED);
2499         fcport->supported_classes = FC_COS_UNSPECIFIED;
2500
2501         return fcport;
2502 }
2503
2504 /*
2505  * qla2x00_configure_loop
2506  *      Updates Fibre Channel Device Database with what is actually on loop.
2507  *
2508  * Input:
2509  *      ha                = adapter block pointer.
2510  *
2511  * Returns:
2512  *      0 = success.
2513  *      1 = error.
2514  *      2 = database was full and device was not configured.
2515  */
2516 static int
2517 qla2x00_configure_loop(scsi_qla_host_t *vha)
2518 {
2519         int  rval;
2520         unsigned long flags, save_flags;
2521         struct qla_hw_data *ha = vha->hw;
2522         rval = QLA_SUCCESS;
2523
2524         /* Get Initiator ID */
2525         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2526                 rval = qla2x00_configure_hba(vha);
2527                 if (rval != QLA_SUCCESS) {
2528                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2529                             vha->host_no));
2530                         return (rval);
2531                 }
2532         }
2533
2534         save_flags = flags = vha->dpc_flags;
2535         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2536             vha->host_no, flags));
2537
2538         /*
2539          * If we have both an RSCN and PORT UPDATE pending then handle them
2540          * both at the same time.
2541          */
2542         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2543         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2544
2545         qla2x00_get_data_rate(vha);
2546
2547         /* Determine what we need to do */
2548         if (ha->current_topology == ISP_CFG_FL &&
2549             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2550
2551                 vha->flags.rscn_queue_overflow = 1;
2552                 set_bit(RSCN_UPDATE, &flags);
2553
2554         } else if (ha->current_topology == ISP_CFG_F &&
2555             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2556
2557                 vha->flags.rscn_queue_overflow = 1;
2558                 set_bit(RSCN_UPDATE, &flags);
2559                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2560
2561         } else if (ha->current_topology == ISP_CFG_N) {
2562                 clear_bit(RSCN_UPDATE, &flags);
2563
2564         } else if (!vha->flags.online ||
2565             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2566
2567                 vha->flags.rscn_queue_overflow = 1;
2568                 set_bit(RSCN_UPDATE, &flags);
2569                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2570         }
2571
2572         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2573                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2574                         rval = QLA_FUNCTION_FAILED;
2575                 else
2576                         rval = qla2x00_configure_local_loop(vha);
2577         }
2578
2579         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2580                 if (LOOP_TRANSITION(vha))
2581                         rval = QLA_FUNCTION_FAILED;
2582                 else
2583                         rval = qla2x00_configure_fabric(vha);
2584         }
2585
2586         if (rval == QLA_SUCCESS) {
2587                 if (atomic_read(&vha->loop_down_timer) ||
2588                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2589                         rval = QLA_FUNCTION_FAILED;
2590                 } else {
2591                         atomic_set(&vha->loop_state, LOOP_READY);
2592
2593                         DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2594                 }
2595         }
2596
2597         if (rval) {
2598                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2599                     __func__, vha->host_no));
2600         } else {
2601                 DEBUG3(printk("%s: exiting normally\n", __func__));
2602         }
2603
2604         /* Restore state if a resync event occurred during processing */
2605         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2606                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2607                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2608                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2609                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2610                         if (!IS_ALOGIO_CAPABLE(ha))
2611                                 vha->flags.rscn_queue_overflow = 1;
2612                 }
2613         }
2614
2615         return (rval);
2616 }
2617
2618
2619
2620 /*
2621  * qla2x00_configure_local_loop
2622  *      Updates Fibre Channel Device Database with local loop devices.
2623  *
2624  * Input:
2625  *      ha = adapter block pointer.
2626  *
2627  * Returns:
2628  *      0 = success.
2629  */
2630 static int
2631 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2632 {
2633         int             rval, rval2;
2634         int             found_devs;
2635         int             found;
2636         fc_port_t       *fcport, *new_fcport;
2637
2638         uint16_t        index;
2639         uint16_t        entries;
2640         char            *id_iter;
2641         uint16_t        loop_id;
2642         uint8_t         domain, area, al_pa;
2643         struct qla_hw_data *ha = vha->hw;
2644
2645         found_devs = 0;
2646         new_fcport = NULL;
2647         entries = MAX_FIBRE_DEVICES;
2648
2649         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2650         DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2651
2652         /* Get list of logged in devices. */
2653         memset(ha->gid_list, 0, GID_LIST_SIZE);
2654         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2655             &entries);
2656         if (rval != QLA_SUCCESS)
2657                 goto cleanup_allocation;
2658
2659         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2660             vha->host_no, entries));
2661         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2662             entries * sizeof(struct gid_list_info)));
2663
2664         /* Allocate temporary fcport for any new fcports discovered. */
2665         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2666         if (new_fcport == NULL) {
2667                 rval = QLA_MEMORY_ALLOC_FAILED;
2668                 goto cleanup_allocation;
2669         }
2670         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2671
2672         /*
2673          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2674          */
2675         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2676                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2677                     fcport->port_type != FCT_BROADCAST &&
2678                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2679
2680                         DEBUG(printk("scsi(%ld): Marking port lost, "
2681                             "loop_id=0x%04x\n",
2682                             vha->host_no, fcport->loop_id));
2683
2684                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2685                 }
2686         }
2687
2688         /* Add devices to port list. */
2689         id_iter = (char *)ha->gid_list;
2690         for (index = 0; index < entries; index++) {
2691                 domain = ((struct gid_list_info *)id_iter)->domain;
2692                 area = ((struct gid_list_info *)id_iter)->area;
2693                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2694                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2695                         loop_id = (uint16_t)
2696                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2697                 else
2698                         loop_id = le16_to_cpu(
2699                             ((struct gid_list_info *)id_iter)->loop_id);
2700                 id_iter += ha->gid_list_info_size;
2701
2702                 /* Bypass reserved domain fields. */
2703                 if ((domain & 0xf0) == 0xf0)
2704                         continue;
2705
2706                 /* Bypass if not same domain and area of adapter. */
2707                 if (area && domain &&
2708                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2709                         continue;
2710
2711                 /* Bypass invalid local loop ID. */
2712                 if (loop_id > LAST_LOCAL_LOOP_ID)
2713                         continue;
2714
2715                 /* Fill in member data. */
2716                 new_fcport->d_id.b.domain = domain;
2717                 new_fcport->d_id.b.area = area;
2718                 new_fcport->d_id.b.al_pa = al_pa;
2719                 new_fcport->loop_id = loop_id;
2720                 new_fcport->vp_idx = vha->vp_idx;
2721                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2722                 if (rval2 != QLA_SUCCESS) {
2723                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2724                             "information -- get_port_database=%x, "
2725                             "loop_id=0x%04x\n",
2726                             vha->host_no, rval2, new_fcport->loop_id));
2727                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2728                             vha->host_no));
2729                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2730                         continue;
2731                 }
2732
2733                 /* Check for matching device in port list. */
2734                 found = 0;
2735                 fcport = NULL;
2736                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2737                         if (memcmp(new_fcport->port_name, fcport->port_name,
2738                             WWN_SIZE))
2739                                 continue;
2740
2741                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2742                         fcport->loop_id = new_fcport->loop_id;
2743                         fcport->port_type = new_fcport->port_type;
2744                         fcport->d_id.b24 = new_fcport->d_id.b24;
2745                         memcpy(fcport->node_name, new_fcport->node_name,
2746                             WWN_SIZE);
2747
2748                         found++;
2749                         break;
2750                 }
2751
2752                 if (!found) {
2753                         /* New device, add to fcports list. */
2754                         if (vha->vp_idx) {
2755                                 new_fcport->vha = vha;
2756                                 new_fcport->vp_idx = vha->vp_idx;
2757                         }
2758                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2759
2760                         /* Allocate a new replacement fcport. */
2761                         fcport = new_fcport;
2762                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2763                         if (new_fcport == NULL) {
2764                                 rval = QLA_MEMORY_ALLOC_FAILED;
2765                                 goto cleanup_allocation;
2766                         }
2767                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2768                 }
2769
2770                 /* Base iIDMA settings on HBA port speed. */
2771                 fcport->fp_speed = ha->link_data_rate;
2772
2773                 qla2x00_update_fcport(vha, fcport);
2774
2775                 found_devs++;
2776         }
2777
2778 cleanup_allocation:
2779         kfree(new_fcport);
2780
2781         if (rval != QLA_SUCCESS) {
2782                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2783                     "rval=%x\n", vha->host_no, rval));
2784         }
2785
2786         return (rval);
2787 }
2788
2789 static void
2790 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2791 {
2792 #define LS_UNKNOWN      2
2793         static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2794         char *link_speed;
2795         int rval;
2796         uint16_t mb[4];
2797         struct qla_hw_data *ha = vha->hw;
2798
2799         if (!IS_IIDMA_CAPABLE(ha))
2800                 return;
2801
2802         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2803             fcport->fp_speed > ha->link_data_rate)
2804                 return;
2805
2806         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2807             mb);
2808         if (rval != QLA_SUCCESS) {
2809                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2810                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2811                     vha->host_no, fcport->port_name[0], fcport->port_name[1],
2812                     fcport->port_name[2], fcport->port_name[3],
2813                     fcport->port_name[4], fcport->port_name[5],
2814                     fcport->port_name[6], fcport->port_name[7], rval,
2815                     fcport->fp_speed, mb[0], mb[1]));
2816         } else {
2817                 link_speed = link_speeds[LS_UNKNOWN];
2818                 if (fcport->fp_speed < 5)
2819                         link_speed = link_speeds[fcport->fp_speed];
2820                 else if (fcport->fp_speed == 0x13)
2821                         link_speed = link_speeds[5];
2822                 DEBUG2(qla_printk(KERN_INFO, ha,
2823                     "iIDMA adjusted to %s GB/s on "
2824                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2825                     link_speed, fcport->port_name[0],
2826                     fcport->port_name[1], fcport->port_name[2],
2827                     fcport->port_name[3], fcport->port_name[4],
2828                     fcport->port_name[5], fcport->port_name[6],
2829                     fcport->port_name[7]));
2830         }
2831 }
2832
2833 static void
2834 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2835 {
2836         struct fc_rport_identifiers rport_ids;
2837         struct fc_rport *rport;
2838         struct qla_hw_data *ha = vha->hw;
2839
2840         qla2x00_rport_del(fcport);
2841
2842         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2843         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2844         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2845             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2846         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2847         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2848         if (!rport) {
2849                 qla_printk(KERN_WARNING, ha,
2850                     "Unable to allocate fc remote port!\n");
2851                 return;
2852         }
2853         spin_lock_irq(fcport->vha->host->host_lock);
2854         *((fc_port_t **)rport->dd_data) = fcport;
2855         spin_unlock_irq(fcport->vha->host->host_lock);
2856
2857         rport->supported_classes = fcport->supported_classes;
2858
2859         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2860         if (fcport->port_type == FCT_INITIATOR)
2861                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2862         if (fcport->port_type == FCT_TARGET)
2863                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2864         fc_remote_port_rolechg(rport, rport_ids.roles);
2865 }
2866
2867 /*
2868  * qla2x00_update_fcport
2869  *      Updates device on list.
2870  *
2871  * Input:
2872  *      ha = adapter block pointer.
2873  *      fcport = port structure pointer.
2874  *
2875  * Return:
2876  *      0  - Success
2877  *  BIT_0 - error
2878  *
2879  * Context:
2880  *      Kernel context.
2881  */
2882 void
2883 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2884 {
2885         struct qla_hw_data *ha = vha->hw;
2886
2887         fcport->vha = vha;
2888         fcport->login_retry = 0;
2889         fcport->port_login_retry_count = ha->port_down_retry_count *
2890             PORT_RETRY_TIME;
2891         atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2892             PORT_RETRY_TIME);
2893         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2894
2895         qla2x00_iidma_fcport(vha, fcport);
2896
2897         atomic_set(&fcport->state, FCS_ONLINE);
2898
2899         qla2x00_reg_remote_port(vha, fcport);
2900 }
2901
2902 /*
2903  * qla2x00_configure_fabric
2904  *      Setup SNS devices with loop ID's.
2905  *
2906  * Input:
2907  *      ha = adapter block pointer.
2908  *
2909  * Returns:
2910  *      0 = success.
2911  *      BIT_0 = error
2912  */
2913 static int
2914 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2915 {
2916         int     rval, rval2;
2917         fc_port_t       *fcport, *fcptemp;
2918         uint16_t        next_loopid;
2919         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2920         uint16_t        loop_id;
2921         LIST_HEAD(new_fcports);
2922         struct qla_hw_data *ha = vha->hw;
2923         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2924
2925         /* If FL port exists, then SNS is present */
2926         if (IS_FWI2_CAPABLE(ha))
2927                 loop_id = NPH_F_PORT;
2928         else
2929                 loop_id = SNS_FL_PORT;
2930         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2931         if (rval != QLA_SUCCESS) {
2932                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2933                     "Port\n", vha->host_no));
2934
2935                 vha->device_flags &= ~SWITCH_FOUND;
2936                 return (QLA_SUCCESS);
2937         }
2938         vha->device_flags |= SWITCH_FOUND;
2939
2940         /* Mark devices that need re-synchronization. */
2941         rval2 = qla2x00_device_resync(vha);
2942         if (rval2 == QLA_RSCNS_HANDLED) {
2943                 /* No point doing the scan, just continue. */
2944                 return (QLA_SUCCESS);
2945         }
2946         do {
2947                 /* FDMI support. */
2948                 if (ql2xfdmienable &&
2949                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2950                         qla2x00_fdmi_register(vha);
2951
2952                 /* Ensure we are logged into the SNS. */
2953                 if (IS_FWI2_CAPABLE(ha))
2954                         loop_id = NPH_SNS;
2955                 else
2956                         loop_id = SIMPLE_NAME_SERVER;
2957                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2958                     0xfc, mb, BIT_1 | BIT_0);
2959                 if (mb[0] != MBS_COMMAND_COMPLETE) {
2960                         DEBUG2(qla_printk(KERN_INFO, ha,
2961                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2962                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2963                             mb[0], mb[1], mb[2], mb[6], mb[7]));
2964                         return (QLA_SUCCESS);
2965                 }
2966
2967                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2968                         if (qla2x00_rft_id(vha)) {
2969                                 /* EMPTY */
2970                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2971                                     "TYPE failed.\n", vha->host_no));
2972                         }
2973                         if (qla2x00_rff_id(vha)) {
2974                                 /* EMPTY */
2975                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2976                                     "Features failed.\n", vha->host_no));
2977                         }
2978                         if (qla2x00_rnn_id(vha)) {
2979                                 /* EMPTY */
2980                                 DEBUG2(printk("scsi(%ld): Register Node Name "
2981                                     "failed.\n", vha->host_no));
2982                         } else if (qla2x00_rsnn_nn(vha)) {
2983                                 /* EMPTY */
2984                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
2985                                     "Node Name failed.\n", vha->host_no));
2986                         }
2987                 }
2988
2989                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
2990                 if (rval != QLA_SUCCESS)
2991                         break;
2992
2993                 /*
2994                  * Logout all previous fabric devices marked lost, except
2995                  * FCP2 devices.
2996                  */
2997                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2998                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2999                                 break;
3000
3001                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3002                                 continue;
3003
3004                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3005                                 qla2x00_mark_device_lost(vha, fcport,
3006                                     ql2xplogiabsentdevice, 0);
3007                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3008                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3009                                     fcport->port_type != FCT_INITIATOR &&
3010                                     fcport->port_type != FCT_BROADCAST) {
3011                                         ha->isp_ops->fabric_logout(vha,
3012                                             fcport->loop_id,
3013                                             fcport->d_id.b.domain,
3014                                             fcport->d_id.b.area,
3015                                             fcport->d_id.b.al_pa);
3016                                         fcport->loop_id = FC_NO_LOOP_ID;
3017                                 }
3018                         }
3019                 }
3020
3021                 /* Starting free loop ID. */
3022                 next_loopid = ha->min_external_loopid;
3023
3024                 /*
3025                  * Scan through our port list and login entries that need to be
3026                  * logged in.
3027                  */
3028                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3029                         if (atomic_read(&vha->loop_down_timer) ||
3030                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3031                                 break;
3032
3033                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3034                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3035                                 continue;
3036
3037                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3038                                 fcport->loop_id = next_loopid;
3039                                 rval = qla2x00_find_new_loop_id(
3040                                     base_vha, fcport);
3041                                 if (rval != QLA_SUCCESS) {
3042                                         /* Ran out of IDs to use */
3043                                         break;
3044                                 }
3045                         }
3046                         /* Login and update database */
3047                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3048                 }
3049
3050                 /* Exit if out of loop IDs. */
3051                 if (rval != QLA_SUCCESS) {
3052                         break;
3053                 }
3054
3055                 /*
3056                  * Login and add the new devices to our port list.
3057                  */
3058                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3059                         if (atomic_read(&vha->loop_down_timer) ||
3060                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3061                                 break;
3062
3063                         /* Find a new loop ID to use. */
3064                         fcport->loop_id = next_loopid;
3065                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3066                         if (rval != QLA_SUCCESS) {
3067                                 /* Ran out of IDs to use */
3068                                 break;
3069                         }
3070
3071                         /* Login and update database */
3072                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3073
3074                         if (vha->vp_idx) {
3075                                 fcport->vha = vha;
3076                                 fcport->vp_idx = vha->vp_idx;
3077                         }
3078                         list_move_tail(&fcport->list, &vha->vp_fcports);
3079                 }
3080         } while (0);
3081
3082         /* Free all new device structures not processed. */
3083         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3084                 list_del(&fcport->list);
3085                 kfree(fcport);
3086         }
3087
3088         if (rval) {
3089                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
3090                     "rval=%d\n", vha->host_no, rval));
3091         }
3092
3093         return (rval);
3094 }
3095
3096 /*
3097  * qla2x00_find_all_fabric_devs
3098  *
3099  * Input:
3100  *      ha = adapter block pointer.
3101  *      dev = database device entry pointer.
3102  *
3103  * Returns:
3104  *      0 = success.
3105  *
3106  * Context:
3107  *      Kernel context.
3108  */
3109 static int
3110 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3111         struct list_head *new_fcports)
3112 {
3113         int             rval;
3114         uint16_t        loop_id;
3115         fc_port_t       *fcport, *new_fcport, *fcptemp;
3116         int             found;
3117
3118         sw_info_t       *swl;
3119         int             swl_idx;
3120         int             first_dev, last_dev;
3121         port_id_t       wrap = {}, nxt_d_id;
3122         struct qla_hw_data *ha = vha->hw;
3123         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3124         struct scsi_qla_host *tvp;
3125
3126         rval = QLA_SUCCESS;
3127
3128         /* Try GID_PT to get device list, else GAN. */
3129         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
3130         if (!swl) {
3131                 /*EMPTY*/
3132                 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
3133                     "on GA_NXT\n", vha->host_no));
3134         } else {
3135                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3136                         kfree(swl);
3137                         swl = NULL;
3138                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3139                         kfree(swl);
3140                         swl = NULL;
3141                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3142                         kfree(swl);
3143                         swl = NULL;
3144                 } else if (ql2xiidmaenable &&
3145                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3146                         qla2x00_gpsc(vha, swl);
3147                 }
3148
3149                 /* If other queries succeeded probe for FC-4 type */
3150                 if (swl)
3151                         qla2x00_gff_id(vha, swl);
3152         }
3153         swl_idx = 0;
3154
3155         /* Allocate temporary fcport for any new fcports discovered. */
3156         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3157         if (new_fcport == NULL) {
3158                 kfree(swl);
3159                 return (QLA_MEMORY_ALLOC_FAILED);
3160         }
3161         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3162         /* Set start port ID scan at adapter ID. */
3163         first_dev = 1;
3164         last_dev = 0;
3165
3166         /* Starting free loop ID. */
3167         loop_id = ha->min_external_loopid;
3168         for (; loop_id <= ha->max_loop_id; loop_id++) {
3169                 if (qla2x00_is_reserved_id(vha, loop_id))
3170                         continue;
3171
3172                 if (ha->current_topology == ISP_CFG_FL &&
3173                     (atomic_read(&vha->loop_down_timer) ||
3174                      LOOP_TRANSITION(vha))) {
3175                         atomic_set(&vha->loop_down_timer, 0);
3176                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3177                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3178                         break;
3179                 }
3180
3181                 if (swl != NULL) {
3182                         if (last_dev) {
3183                                 wrap.b24 = new_fcport->d_id.b24;
3184                         } else {
3185                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3186                                 memcpy(new_fcport->node_name,
3187                                     swl[swl_idx].node_name, WWN_SIZE);
3188                                 memcpy(new_fcport->port_name,
3189                                     swl[swl_idx].port_name, WWN_SIZE);
3190                                 memcpy(new_fcport->fabric_port_name,
3191                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3192                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3193                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3194
3195                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3196                                         last_dev = 1;
3197                                 }
3198                                 swl_idx++;
3199                         }
3200                 } else {
3201                         /* Send GA_NXT to the switch */
3202                         rval = qla2x00_ga_nxt(vha, new_fcport);
3203                         if (rval != QLA_SUCCESS) {
3204                                 qla_printk(KERN_WARNING, ha,
3205                                     "SNS scan failed -- assuming zero-entry "
3206                                     "result...\n");
3207                                 list_for_each_entry_safe(fcport, fcptemp,
3208                                     new_fcports, list) {
3209                                         list_del(&fcport->list);
3210                                         kfree(fcport);
3211                                 }
3212                                 rval = QLA_SUCCESS;
3213                                 break;
3214                         }
3215                 }
3216
3217                 /* If wrap on switch device list, exit. */
3218                 if (first_dev) {
3219                         wrap.b24 = new_fcport->d_id.b24;
3220                         first_dev = 0;
3221                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3222                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
3223                             vha->host_no, new_fcport->d_id.b.domain,
3224                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
3225                         break;
3226                 }
3227
3228                 /* Bypass if same physical adapter. */
3229                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3230                         continue;
3231
3232                 /* Bypass virtual ports of the same host. */
3233                 found = 0;
3234                 if (ha->num_vhosts) {
3235                         unsigned long flags;
3236
3237                         spin_lock_irqsave(&ha->vport_slock, flags);
3238                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3239                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3240                                         found = 1;
3241                                         break;
3242                                 }
3243                         }
3244                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3245
3246                         if (found)
3247                                 continue;
3248                 }
3249
3250                 /* Bypass if same domain and area of adapter. */
3251                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3252                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3253                         ISP_CFG_FL)
3254                             continue;
3255
3256                 /* Bypass reserved domain fields. */
3257                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3258                         continue;
3259
3260                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3261                 if (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3262                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN)
3263                         continue;
3264
3265                 /* Locate matching device in database. */
3266                 found = 0;
3267                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3268                         if (memcmp(new_fcport->port_name, fcport->port_name,
3269                             WWN_SIZE))
3270                                 continue;
3271
3272                         found++;
3273
3274                         /* Update port state. */
3275                         memcpy(fcport->fabric_port_name,
3276                             new_fcport->fabric_port_name, WWN_SIZE);
3277                         fcport->fp_speed = new_fcport->fp_speed;
3278
3279                         /*
3280                          * If address the same and state FCS_ONLINE, nothing
3281                          * changed.
3282                          */
3283                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3284                             atomic_read(&fcport->state) == FCS_ONLINE) {
3285                                 break;
3286                         }
3287
3288                         /*
3289                          * If device was not a fabric device before.
3290                          */
3291                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3292                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3293                                 fcport->loop_id = FC_NO_LOOP_ID;
3294                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3295                                     FCF_LOGIN_NEEDED);
3296                                 break;
3297                         }
3298
3299                         /*
3300                          * Port ID changed or device was marked to be updated;
3301                          * Log it out if still logged in and mark it for
3302                          * relogin later.
3303                          */
3304                         fcport->d_id.b24 = new_fcport->d_id.b24;
3305                         fcport->flags |= FCF_LOGIN_NEEDED;
3306                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3307                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3308                             fcport->port_type != FCT_INITIATOR &&
3309                             fcport->port_type != FCT_BROADCAST) {
3310                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3311                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3312                                     fcport->d_id.b.al_pa);
3313                                 fcport->loop_id = FC_NO_LOOP_ID;
3314                         }
3315
3316                         break;
3317                 }
3318
3319                 if (found)
3320                         continue;
3321                 /* If device was not in our fcports list, then add it. */
3322                 list_add_tail(&new_fcport->list, new_fcports);
3323
3324                 /* Allocate a new replacement fcport. */
3325                 nxt_d_id.b24 = new_fcport->d_id.b24;
3326                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3327                 if (new_fcport == NULL) {
3328                         kfree(swl);
3329                         return (QLA_MEMORY_ALLOC_FAILED);
3330                 }
3331                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3332                 new_fcport->d_id.b24 = nxt_d_id.b24;
3333         }
3334
3335         kfree(swl);
3336         kfree(new_fcport);
3337
3338         return (rval);
3339 }
3340
3341 /*
3342  * qla2x00_find_new_loop_id
3343  *      Scan through our port list and find a new usable loop ID.
3344  *
3345  * Input:
3346  *      ha:     adapter state pointer.
3347  *      dev:    port structure pointer.
3348  *
3349  * Returns:
3350  *      qla2x00 local function return status code.
3351  *
3352  * Context:
3353  *      Kernel context.
3354  */
3355 static int
3356 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3357 {
3358         int     rval;
3359         int     found;
3360         fc_port_t *fcport;
3361         uint16_t first_loop_id;
3362         struct qla_hw_data *ha = vha->hw;
3363         struct scsi_qla_host *vp;
3364         struct scsi_qla_host *tvp;
3365         unsigned long flags = 0;
3366
3367         rval = QLA_SUCCESS;
3368
3369         /* Save starting loop ID. */
3370         first_loop_id = dev->loop_id;
3371
3372         for (;;) {
3373                 /* Skip loop ID if already used by adapter. */
3374                 if (dev->loop_id == vha->loop_id)
3375                         dev->loop_id++;
3376
3377                 /* Skip reserved loop IDs. */
3378                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3379                         dev->loop_id++;
3380
3381                 /* Reset loop ID if passed the end. */
3382                 if (dev->loop_id > ha->max_loop_id) {
3383                         /* first loop ID. */
3384                         dev->loop_id = ha->min_external_loopid;
3385                 }
3386
3387                 /* Check for loop ID being already in use. */
3388                 found = 0;
3389                 fcport = NULL;
3390
3391                 spin_lock_irqsave(&ha->vport_slock, flags);
3392                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3393                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
3394                                 if (fcport->loop_id == dev->loop_id &&
3395                                                                 fcport != dev) {
3396                                         /* ID possibly in use */
3397                                         found++;
3398                                         break;
3399                                 }
3400                         }
3401                         if (found)
3402                                 break;
3403                 }
3404                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3405
3406                 /* If not in use then it is free to use. */
3407                 if (!found) {
3408                         break;
3409                 }
3410
3411                 /* ID in use. Try next value. */
3412                 dev->loop_id++;
3413
3414                 /* If wrap around. No free ID to use. */
3415                 if (dev->loop_id == first_loop_id) {
3416                         dev->loop_id = FC_NO_LOOP_ID;
3417                         rval = QLA_FUNCTION_FAILED;
3418                         break;
3419                 }
3420         }
3421
3422         return (rval);
3423 }
3424
3425 /*
3426  * qla2x00_device_resync
3427  *      Marks devices in the database that needs resynchronization.
3428  *
3429  * Input:
3430  *      ha = adapter block pointer.
3431  *
3432  * Context:
3433  *      Kernel context.
3434  */
3435 static int
3436 qla2x00_device_resync(scsi_qla_host_t *vha)
3437 {
3438         int     rval;
3439         uint32_t mask;
3440         fc_port_t *fcport;
3441         uint32_t rscn_entry;
3442         uint8_t rscn_out_iter;
3443         uint8_t format;
3444         port_id_t d_id = {};
3445
3446         rval = QLA_RSCNS_HANDLED;
3447
3448         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3449             vha->flags.rscn_queue_overflow) {
3450
3451                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3452                 format = MSB(MSW(rscn_entry));
3453                 d_id.b.domain = LSB(MSW(rscn_entry));
3454                 d_id.b.area = MSB(LSW(rscn_entry));
3455                 d_id.b.al_pa = LSB(LSW(rscn_entry));
3456
3457                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3458                     "[%02x/%02x%02x%02x].\n",
3459                     vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3460                     d_id.b.area, d_id.b.al_pa));
3461
3462                 vha->rscn_out_ptr++;
3463                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3464                         vha->rscn_out_ptr = 0;
3465
3466                 /* Skip duplicate entries. */
3467                 for (rscn_out_iter = vha->rscn_out_ptr;
3468                     !vha->flags.rscn_queue_overflow &&
3469                     rscn_out_iter != vha->rscn_in_ptr;
3470                     rscn_out_iter = (rscn_out_iter ==
3471                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3472
3473                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3474                                 break;
3475
3476                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3477                             "entry found at [%d].\n", vha->host_no,
3478                             rscn_out_iter));
3479
3480                         vha->rscn_out_ptr = rscn_out_iter;
3481                 }
3482
3483                 /* Queue overflow, set switch default case. */
3484                 if (vha->flags.rscn_queue_overflow) {
3485                         DEBUG(printk("scsi(%ld): device_resync: rscn "
3486                             "overflow.\n", vha->host_no));
3487
3488                         format = 3;
3489                         vha->flags.rscn_queue_overflow = 0;
3490                 }
3491
3492                 switch (format) {
3493                 case 0:
3494                         mask = 0xffffff;
3495                         break;
3496                 case 1:
3497                         mask = 0xffff00;
3498                         break;
3499                 case 2:
3500                         mask = 0xff0000;
3501                         break;
3502                 default:
3503                         mask = 0x0;
3504                         d_id.b24 = 0;
3505                         vha->rscn_out_ptr = vha->rscn_in_ptr;
3506                         break;
3507                 }
3508
3509                 rval = QLA_SUCCESS;
3510
3511                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3512                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3513                             (fcport->d_id.b24 & mask) != d_id.b24 ||
3514                             fcport->port_type == FCT_BROADCAST)
3515                                 continue;
3516
3517                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
3518                                 if (format != 3 ||
3519                                     fcport->port_type != FCT_INITIATOR) {
3520                                         qla2x00_mark_device_lost(vha, fcport,
3521                                             0, 0);
3522                                 }
3523                         }
3524                 }
3525         }
3526         return (rval);
3527 }
3528
3529 /*
3530  * qla2x00_fabric_dev_login
3531  *      Login fabric target device and update FC port database.
3532  *
3533  * Input:
3534  *      ha:             adapter state pointer.
3535  *      fcport:         port structure list pointer.
3536  *      next_loopid:    contains value of a new loop ID that can be used
3537  *                      by the next login attempt.
3538  *
3539  * Returns:
3540  *      qla2x00 local function return status code.
3541  *
3542  * Context:
3543  *      Kernel context.
3544  */
3545 static int
3546 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3547     uint16_t *next_loopid)
3548 {
3549         int     rval;
3550         int     retry;
3551         uint8_t opts;
3552         struct qla_hw_data *ha = vha->hw;
3553
3554         rval = QLA_SUCCESS;
3555         retry = 0;
3556
3557         if (IS_ALOGIO_CAPABLE(ha)) {
3558                 if (fcport->flags & FCF_ASYNC_SENT)
3559                         return rval;
3560                 fcport->flags |= FCF_ASYNC_SENT;
3561                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3562                 if (!rval)
3563                         return rval;
3564         }
3565
3566         fcport->flags &= ~FCF_ASYNC_SENT;
3567         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3568         if (rval == QLA_SUCCESS) {
3569                 /* Send an ADISC to FCP2 devices.*/
3570                 opts = 0;
3571                 if (fcport->flags & FCF_FCP2_DEVICE)
3572                         opts |= BIT_1;
3573                 rval = qla2x00_get_port_database(vha, fcport, opts);
3574                 if (rval != QLA_SUCCESS) {
3575                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3576                             fcport->d_id.b.domain, fcport->d_id.b.area,
3577                             fcport->d_id.b.al_pa);
3578                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3579                 } else {
3580                         qla2x00_update_fcport(vha, fcport);
3581                 }
3582         }
3583
3584         return (rval);
3585 }
3586
3587 /*
3588  * qla2x00_fabric_login
3589  *      Issue fabric login command.
3590  *
3591  * Input:
3592  *      ha = adapter block pointer.
3593  *      device = pointer to FC device type structure.
3594  *
3595  * Returns:
3596  *      0 - Login successfully
3597  *      1 - Login failed
3598  *      2 - Initiator device
3599  *      3 - Fatal error
3600  */
3601 int
3602 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3603     uint16_t *next_loopid)
3604 {
3605         int     rval;
3606         int     retry;
3607         uint16_t tmp_loopid;
3608         uint16_t mb[MAILBOX_REGISTER_COUNT];
3609         struct qla_hw_data *ha = vha->hw;
3610
3611         retry = 0;
3612         tmp_loopid = 0;
3613
3614         for (;;) {
3615                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3616                     "for port %02x%02x%02x.\n",
3617                     vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3618                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3619
3620                 /* Login fcport on switch. */
3621                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3622                     fcport->d_id.b.domain, fcport->d_id.b.area,
3623                     fcport->d_id.b.al_pa, mb, BIT_0);
3624                 if (mb[0] == MBS_PORT_ID_USED) {
3625                         /*
3626                          * Device has another loop ID.  The firmware team
3627                          * recommends the driver perform an implicit login with
3628                          * the specified ID again. The ID we just used is save
3629                          * here so we return with an ID that can be tried by
3630                          * the next login.
3631                          */
3632                         retry++;
3633                         tmp_loopid = fcport->loop_id;
3634                         fcport->loop_id = mb[1];
3635
3636                         DEBUG(printk("Fabric Login: port in use - next "
3637                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3638                             fcport->loop_id, fcport->d_id.b.domain,
3639                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3640
3641                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3642                         /*
3643                          * Login succeeded.
3644                          */
3645                         if (retry) {
3646                                 /* A retry occurred before. */
3647                                 *next_loopid = tmp_loopid;
3648                         } else {
3649                                 /*
3650                                  * No retry occurred before. Just increment the
3651                                  * ID value for next login.
3652                                  */
3653                                 *next_loopid = (fcport->loop_id + 1);
3654                         }
3655
3656                         if (mb[1] & BIT_0) {
3657                                 fcport->port_type = FCT_INITIATOR;
3658                         } else {
3659                                 fcport->port_type = FCT_TARGET;
3660                                 if (mb[1] & BIT_1) {
3661                                         fcport->flags |= FCF_FCP2_DEVICE;
3662                                 }
3663                         }
3664
3665                         if (mb[10] & BIT_0)
3666                                 fcport->supported_classes |= FC_COS_CLASS2;
3667                         if (mb[10] & BIT_1)
3668                                 fcport->supported_classes |= FC_COS_CLASS3;
3669
3670                         rval = QLA_SUCCESS;
3671                         break;
3672                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3673                         /*
3674                          * Loop ID already used, try next loop ID.
3675                          */
3676                         fcport->loop_id++;
3677                         rval = qla2x00_find_new_loop_id(vha, fcport);
3678                         if (rval != QLA_SUCCESS) {
3679                                 /* Ran out of loop IDs to use */
3680                                 break;
3681                         }
3682                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3683                         /*
3684                          * Firmware possibly timed out during login. If NO
3685                          * retries are left to do then the device is declared
3686                          * dead.
3687                          */
3688                         *next_loopid = fcport->loop_id;
3689                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3690                             fcport->d_id.b.domain, fcport->d_id.b.area,
3691                             fcport->d_id.b.al_pa);
3692                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3693
3694                         rval = 1;
3695                         break;
3696                 } else {
3697                         /*
3698                          * unrecoverable / not handled error
3699                          */
3700                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3701                             "loop_id=%x jiffies=%lx.\n",
3702                             __func__, vha->host_no, mb[0],
3703                             fcport->d_id.b.domain, fcport->d_id.b.area,
3704                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3705
3706                         *next_loopid = fcport->loop_id;
3707                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3708                             fcport->d_id.b.domain, fcport->d_id.b.area,
3709                             fcport->d_id.b.al_pa);
3710                         fcport->loop_id = FC_NO_LOOP_ID;
3711                         fcport->login_retry = 0;
3712
3713                         rval = 3;
3714                         break;
3715                 }
3716         }
3717
3718         return (rval);
3719 }
3720
3721 /*
3722  * qla2x00_local_device_login
3723  *      Issue local device login command.
3724  *
3725  * Input:
3726  *      ha = adapter block pointer.
3727  *      loop_id = loop id of device to login to.
3728  *
3729  * Returns (Where's the #define!!!!):
3730  *      0 - Login successfully
3731  *      1 - Login failed
3732  *      3 - Fatal error
3733  */
3734 int
3735 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3736 {
3737         int             rval;
3738         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3739
3740         memset(mb, 0, sizeof(mb));
3741         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3742         if (rval == QLA_SUCCESS) {
3743                 /* Interrogate mailbox registers for any errors */
3744                 if (mb[0] == MBS_COMMAND_ERROR)
3745                         rval = 1;
3746                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3747                         /* device not in PCB table */
3748                         rval = 3;
3749         }
3750
3751         return (rval);
3752 }
3753
3754 /*
3755  *  qla2x00_loop_resync
3756  *      Resync with fibre channel devices.
3757  *
3758  * Input:
3759  *      ha = adapter block pointer.
3760  *
3761  * Returns:
3762  *      0 = success
3763  */
3764 int
3765 qla2x00_loop_resync(scsi_qla_host_t *vha)
3766 {
3767         int rval = QLA_SUCCESS;
3768         uint32_t wait_time;
3769         struct req_que *req;
3770         struct rsp_que *rsp;
3771
3772         if (vha->hw->flags.cpu_affinity_enabled)
3773                 req = vha->hw->req_q_map[0];
3774         else
3775                 req = vha->req;
3776         rsp = req->rsp;
3777
3778         atomic_set(&vha->loop_state, LOOP_UPDATE);
3779         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3780         if (vha->flags.online) {
3781                 if (!(rval = qla2x00_fw_ready(vha))) {
3782                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3783                         wait_time = 256;
3784                         do {
3785                                 atomic_set(&vha->loop_state, LOOP_UPDATE);
3786
3787                                 /* Issue a marker after FW becomes ready. */
3788                                 qla2x00_marker(vha, req, rsp, 0, 0,
3789                                         MK_SYNC_ALL);
3790                                 vha->marker_needed = 0;
3791
3792                                 /* Remap devices on Loop. */
3793                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3794
3795                                 qla2x00_configure_loop(vha);
3796                                 wait_time--;
3797                         } while (!atomic_read(&vha->loop_down_timer) &&
3798                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3799                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3800                                 &vha->dpc_flags)));
3801                 }
3802         }
3803
3804         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3805                 return (QLA_FUNCTION_FAILED);
3806
3807         if (rval)
3808                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3809
3810         return (rval);
3811 }
3812
3813 void
3814 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3815 {
3816         fc_port_t *fcport;
3817         struct scsi_qla_host *vha;
3818         struct qla_hw_data *ha = base_vha->hw;
3819         unsigned long flags;
3820
3821         spin_lock_irqsave(&ha->vport_slock, flags);
3822         /* Go with deferred removal of rport references. */
3823         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3824                 atomic_inc(&vha->vref_count);
3825                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3826                         if (fcport && fcport->drport &&
3827                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3828                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3829
3830                                 qla2x00_rport_del(fcport);
3831
3832                                 spin_lock_irqsave(&ha->vport_slock, flags);
3833                         }
3834                 }
3835                 atomic_dec(&vha->vref_count);
3836         }
3837         spin_unlock_irqrestore(&ha->vport_slock, flags);
3838 }
3839
3840 void
3841 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3842 {
3843         struct qla_hw_data *ha = vha->hw;
3844         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3845         unsigned long flags;
3846
3847         vha->flags.online = 0;
3848         ha->flags.chip_reset_done = 0;
3849         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3850         ha->qla_stats.total_isp_aborts++;
3851
3852         qla_printk(KERN_INFO, ha,
3853             "Performing ISP error recovery - ha= %p.\n", ha);
3854
3855         /* Chip reset does not apply to 82XX */
3856         if (!IS_QLA82XX(ha))
3857                 ha->isp_ops->reset_chip(vha);
3858
3859         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3860         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3861                 atomic_set(&vha->loop_state, LOOP_DOWN);
3862                 qla2x00_mark_all_devices_lost(vha, 0);
3863
3864                 spin_lock_irqsave(&ha->vport_slock, flags);
3865                 list_for_each_entry(vp, &base_vha->hw->vp_list, list) {
3866                         atomic_inc(&vp->vref_count);
3867                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3868
3869                         qla2x00_mark_all_devices_lost(vp, 0);
3870
3871                         spin_lock_irqsave(&ha->vport_slock, flags);
3872                         atomic_dec(&vp->vref_count);
3873                 }
3874                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3875         } else {
3876                 if (!atomic_read(&vha->loop_down_timer))
3877                         atomic_set(&vha->loop_down_timer,
3878                             LOOP_DOWN_TIME);
3879         }
3880
3881         /* Make sure for ISP 82XX IO DMA is complete */
3882         if (IS_QLA82XX(ha)) {
3883                 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
3884                         WAIT_HOST) == QLA_SUCCESS) {
3885                         DEBUG2(qla_printk(KERN_INFO, ha,
3886                         "Done wait for pending commands\n"));
3887                 }
3888         }
3889
3890         /* Requeue all commands in outstanding command list. */
3891         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3892 }
3893
3894 /*
3895 *  qla2x00_abort_isp
3896 *      Resets ISP and aborts all outstanding commands.
3897 *
3898 * Input:
3899 *      ha           = adapter block pointer.
3900 *
3901 * Returns:
3902 *      0 = success
3903 */
3904 int
3905 qla2x00_abort_isp(scsi_qla_host_t *vha)
3906 {
3907         int rval;
3908         uint8_t        status = 0;
3909         struct qla_hw_data *ha = vha->hw;
3910         struct scsi_qla_host *vp;
3911         struct req_que *req = ha->req_q_map[0];
3912         unsigned long flags;
3913
3914         if (vha->flags.online) {
3915                 qla2x00_abort_isp_cleanup(vha);
3916
3917                 if (unlikely(pci_channel_offline(ha->pdev) &&
3918                     ha->flags.pci_channel_io_perm_failure)) {
3919                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3920                         status = 0;
3921                         return status;
3922                 }
3923
3924                 ha->isp_ops->get_flash_version(vha, req->ring);
3925
3926                 ha->isp_ops->nvram_config(vha);
3927
3928                 if (!qla2x00_restart_isp(vha)) {
3929                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3930
3931                         if (!atomic_read(&vha->loop_down_timer)) {
3932                                 /*
3933                                  * Issue marker command only when we are going
3934                                  * to start the I/O .
3935                                  */
3936                                 vha->marker_needed = 1;
3937                         }
3938
3939                         vha->flags.online = 1;
3940
3941                         ha->isp_ops->enable_intrs(ha);
3942
3943                         ha->isp_abort_cnt = 0;
3944                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3945
3946                         if (IS_QLA81XX(ha))
3947                                 qla2x00_get_fw_version(vha,
3948                                     &ha->fw_major_version,
3949                                     &ha->fw_minor_version,
3950                                     &ha->fw_subminor_version,
3951                                     &ha->fw_attributes, &ha->fw_memory_size,
3952                                     ha->mpi_version, &ha->mpi_capabilities,
3953                                     ha->phy_version);
3954
3955                         if (ha->fce) {
3956                                 ha->flags.fce_enabled = 1;
3957                                 memset(ha->fce, 0,
3958                                     fce_calc_size(ha->fce_bufs));
3959                                 rval = qla2x00_enable_fce_trace(vha,
3960                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3961                                     &ha->fce_bufs);
3962                                 if (rval) {
3963                                         qla_printk(KERN_WARNING, ha,
3964                                             "Unable to reinitialize FCE "
3965                                             "(%d).\n", rval);
3966                                         ha->flags.fce_enabled = 0;
3967                                 }
3968                         }
3969
3970                         if (ha->eft) {
3971                                 memset(ha->eft, 0, EFT_SIZE);
3972                                 rval = qla2x00_enable_eft_trace(vha,
3973                                     ha->eft_dma, EFT_NUM_BUFFERS);
3974                                 if (rval) {
3975                                         qla_printk(KERN_WARNING, ha,
3976                                             "Unable to reinitialize EFT "
3977                                             "(%d).\n", rval);
3978                                 }
3979                         }
3980                 } else {        /* failed the ISP abort */
3981                         vha->flags.online = 1;
3982                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3983                                 if (ha->isp_abort_cnt == 0) {
3984                                         qla_printk(KERN_WARNING, ha,
3985                                             "ISP error recovery failed - "
3986                                             "board disabled\n");
3987                                         /*
3988                                          * The next call disables the board
3989                                          * completely.
3990                                          */
3991                                         ha->isp_ops->reset_adapter(vha);
3992                                         vha->flags.online = 0;
3993                                         clear_bit(ISP_ABORT_RETRY,
3994                                             &vha->dpc_flags);
3995                                         status = 0;
3996                                 } else { /* schedule another ISP abort */
3997                                         ha->isp_abort_cnt--;
3998                                         DEBUG(printk("qla%ld: ISP abort - "
3999                                             "retry remaining %d\n",
4000                                             vha->host_no, ha->isp_abort_cnt));
4001                                         status = 1;
4002                                 }
4003                         } else {
4004                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4005                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
4006                                     "- retrying (%d) more times\n",
4007                                     vha->host_no, ha->isp_abort_cnt));
4008                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4009                                 status = 1;
4010                         }
4011                 }
4012
4013         }
4014
4015         if (!status) {
4016                 DEBUG(printk(KERN_INFO
4017                                 "qla2x00_abort_isp(%ld): succeeded.\n",
4018                                 vha->host_no));
4019
4020                 spin_lock_irqsave(&ha->vport_slock, flags);
4021                 list_for_each_entry(vp, &ha->vp_list, list) {
4022                         if (vp->vp_idx) {
4023                                 atomic_inc(&vp->vref_count);
4024                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4025
4026                                 qla2x00_vp_abort_isp(vp);
4027
4028                                 spin_lock_irqsave(&ha->vport_slock, flags);
4029                                 atomic_dec(&vp->vref_count);
4030                         }
4031                 }
4032                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4033
4034         } else {
4035                 qla_printk(KERN_INFO, ha,
4036                         "qla2x00_abort_isp: **** FAILED ****\n");
4037         }
4038
4039         return(status);
4040 }
4041
4042 /*
4043 *  qla2x00_restart_isp
4044 *      restarts the ISP after a reset
4045 *
4046 * Input:
4047 *      ha = adapter block pointer.
4048 *
4049 * Returns:
4050 *      0 = success
4051 */
4052 static int
4053 qla2x00_restart_isp(scsi_qla_host_t *vha)
4054 {
4055         int status = 0;
4056         uint32_t wait_time;
4057         struct qla_hw_data *ha = vha->hw;
4058         struct req_que *req = ha->req_q_map[0];
4059         struct rsp_que *rsp = ha->rsp_q_map[0];
4060
4061         /* If firmware needs to be loaded */
4062         if (qla2x00_isp_firmware(vha)) {
4063                 vha->flags.online = 0;
4064                 status = ha->isp_ops->chip_diag(vha);
4065                 if (!status)
4066                         status = qla2x00_setup_chip(vha);
4067         }
4068
4069         if (!status && !(status = qla2x00_init_rings(vha))) {
4070                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4071                 ha->flags.chip_reset_done = 1;
4072                 /* Initialize the queues in use */
4073                 qla25xx_init_queues(ha);
4074
4075                 status = qla2x00_fw_ready(vha);
4076                 if (!status) {
4077                         DEBUG(printk("%s(): Start configure loop, "
4078                             "status = %d\n", __func__, status));
4079
4080                         /* Issue a marker after FW becomes ready. */
4081                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4082
4083                         vha->flags.online = 1;
4084                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4085                         wait_time = 256;
4086                         do {
4087                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4088                                 qla2x00_configure_loop(vha);
4089                                 wait_time--;
4090                         } while (!atomic_read(&vha->loop_down_timer) &&
4091                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4092                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4093                                 &vha->dpc_flags)));
4094                 }
4095
4096                 /* if no cable then assume it's good */
4097                 if ((vha->device_flags & DFLG_NO_CABLE))
4098                         status = 0;
4099
4100                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
4101                                 __func__,
4102                                 status));
4103         }
4104         return (status);
4105 }
4106
4107 static int
4108 qla25xx_init_queues(struct qla_hw_data *ha)
4109 {
4110         struct rsp_que *rsp = NULL;
4111         struct req_que *req = NULL;
4112         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4113         int ret = -1;
4114         int i;
4115
4116         for (i = 1; i < ha->max_rsp_queues; i++) {
4117                 rsp = ha->rsp_q_map[i];
4118                 if (rsp) {
4119                         rsp->options &= ~BIT_0;
4120                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4121                         if (ret != QLA_SUCCESS)
4122                                 DEBUG2_17(printk(KERN_WARNING
4123                                         "%s Rsp que:%d init failed\n", __func__,
4124                                                 rsp->id));
4125                         else
4126                                 DEBUG2_17(printk(KERN_INFO
4127                                         "%s Rsp que:%d inited\n", __func__,
4128                                                 rsp->id));
4129                 }
4130         }
4131         for (i = 1; i < ha->max_req_queues; i++) {
4132                 req = ha->req_q_map[i];
4133                 if (req) {
4134                 /* Clear outstanding commands array. */
4135                         req->options &= ~BIT_0;
4136                         ret = qla25xx_init_req_que(base_vha, req);
4137                         if (ret != QLA_SUCCESS)
4138                                 DEBUG2_17(printk(KERN_WARNING
4139                                         "%s Req que:%d init failed\n", __func__,
4140                                                 req->id));
4141                         else
4142                                 DEBUG2_17(printk(KERN_WARNING
4143                                         "%s Req que:%d inited\n", __func__,
4144                                                 req->id));
4145                 }
4146         }
4147         return ret;
4148 }
4149
4150 /*
4151 * qla2x00_reset_adapter
4152 *      Reset adapter.
4153 *
4154 * Input:
4155 *      ha = adapter block pointer.
4156 */
4157 void
4158 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4159 {
4160         unsigned long flags = 0;
4161         struct qla_hw_data *ha = vha->hw;
4162         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4163
4164         vha->flags.online = 0;
4165         ha->isp_ops->disable_intrs(ha);
4166
4167         spin_lock_irqsave(&ha->hardware_lock, flags);
4168         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4169         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4170         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4171         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4172         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4173 }
4174
4175 void
4176 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4177 {
4178         unsigned long flags = 0;
4179         struct qla_hw_data *ha = vha->hw;
4180         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4181
4182         if (IS_QLA82XX(ha))
4183                 return;
4184
4185         vha->flags.online = 0;
4186         ha->isp_ops->disable_intrs(ha);
4187
4188         spin_lock_irqsave(&ha->hardware_lock, flags);
4189         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4190         RD_REG_DWORD(&reg->hccr);
4191         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4192         RD_REG_DWORD(&reg->hccr);
4193         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4194
4195         if (IS_NOPOLLING_TYPE(ha))
4196                 ha->isp_ops->enable_intrs(ha);
4197 }
4198
4199 /* On sparc systems, obtain port and node WWN from firmware
4200  * properties.
4201  */
4202 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4203         struct nvram_24xx *nv)
4204 {
4205 #ifdef CONFIG_SPARC
4206         struct qla_hw_data *ha = vha->hw;
4207         struct pci_dev *pdev = ha->pdev;
4208         struct device_node *dp = pci_device_to_OF_node(pdev);
4209         const u8 *val;
4210         int len;
4211
4212         val = of_get_property(dp, "port-wwn", &len);
4213         if (val && len >= WWN_SIZE)
4214                 memcpy(nv->port_name, val, WWN_SIZE);
4215
4216         val = of_get_property(dp, "node-wwn", &len);
4217         if (val && len >= WWN_SIZE)
4218                 memcpy(nv->node_name, val, WWN_SIZE);
4219 #endif
4220 }
4221
4222 int
4223 qla24xx_nvram_config(scsi_qla_host_t *vha)
4224 {
4225         int   rval;
4226         struct init_cb_24xx *icb;
4227         struct nvram_24xx *nv;
4228         uint32_t *dptr;
4229         uint8_t  *dptr1, *dptr2;
4230         uint32_t chksum;
4231         uint16_t cnt;
4232         struct qla_hw_data *ha = vha->hw;
4233
4234         rval = QLA_SUCCESS;
4235         icb = (struct init_cb_24xx *)ha->init_cb;
4236         nv = ha->nvram;
4237
4238         /* Determine NVRAM starting address. */
4239         if (ha->flags.port0) {
4240                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4241                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4242         } else {
4243                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4244                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4245         }
4246         ha->nvram_size = sizeof(struct nvram_24xx);
4247         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4248         if (IS_QLA82XX(ha))
4249                 ha->vpd_size = FA_VPD_SIZE_82XX;
4250
4251         /* Get VPD data into cache */
4252         ha->vpd = ha->nvram + VPD_OFFSET;
4253         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4254             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4255
4256         /* Get NVRAM data into cache and calculate checksum. */
4257         dptr = (uint32_t *)nv;
4258         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4259             ha->nvram_size);
4260         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4261                 chksum += le32_to_cpu(*dptr++);
4262
4263         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4264         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4265
4266         /* Bad NVRAM data, set defaults parameters. */
4267         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4268             || nv->id[3] != ' ' ||
4269             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4270                 /* Reset NVRAM data. */
4271                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4272                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4273                     le16_to_cpu(nv->nvram_version));
4274                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4275                     "invalid -- WWPN) defaults.\n");
4276
4277                 /*
4278                  * Set default initialization control block.
4279                  */
4280                 memset(nv, 0, ha->nvram_size);
4281                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4282                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4283                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4284                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4285                 nv->exchange_count = __constant_cpu_to_le16(0);
4286                 nv->hard_address = __constant_cpu_to_le16(124);
4287                 nv->port_name[0] = 0x21;
4288                 nv->port_name[1] = 0x00 + ha->port_no;
4289                 nv->port_name[2] = 0x00;
4290                 nv->port_name[3] = 0xe0;
4291                 nv->port_name[4] = 0x8b;
4292                 nv->port_name[5] = 0x1c;
4293                 nv->port_name[6] = 0x55;
4294                 nv->port_name[7] = 0x86;
4295                 nv->node_name[0] = 0x20;
4296                 nv->node_name[1] = 0x00;
4297                 nv->node_name[2] = 0x00;
4298                 nv->node_name[3] = 0xe0;
4299                 nv->node_name[4] = 0x8b;
4300                 nv->node_name[5] = 0x1c;
4301                 nv->node_name[6] = 0x55;
4302                 nv->node_name[7] = 0x86;
4303                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4304                 nv->login_retry_count = __constant_cpu_to_le16(8);
4305                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4306                 nv->login_timeout = __constant_cpu_to_le16(0);
4307                 nv->firmware_options_1 =
4308                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4309                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4310                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4311                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4312                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4313                 nv->efi_parameters = __constant_cpu_to_le32(0);
4314                 nv->reset_delay = 5;
4315                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4316                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4317                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4318
4319                 rval = 1;
4320         }
4321
4322         /* Reset Initialization control block */
4323         memset(icb, 0, ha->init_cb_size);
4324
4325         /* Copy 1st segment. */
4326         dptr1 = (uint8_t *)icb;
4327         dptr2 = (uint8_t *)&nv->version;
4328         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4329         while (cnt--)
4330                 *dptr1++ = *dptr2++;
4331
4332         icb->login_retry_count = nv->login_retry_count;
4333         icb->link_down_on_nos = nv->link_down_on_nos;
4334
4335         /* Copy 2nd segment. */
4336         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4337         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4338         cnt = (uint8_t *)&icb->reserved_3 -
4339             (uint8_t *)&icb->interrupt_delay_timer;
4340         while (cnt--)
4341                 *dptr1++ = *dptr2++;
4342
4343         /*
4344          * Setup driver NVRAM options.
4345          */
4346         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4347             "QLA2462");
4348
4349         /* Use alternate WWN? */
4350         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4351                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4352                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4353         }
4354
4355         /* Prepare nodename */
4356         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4357                 /*
4358                  * Firmware will apply the following mask if the nodename was
4359                  * not provided.
4360                  */
4361                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4362                 icb->node_name[0] &= 0xF0;
4363         }
4364
4365         /* Set host adapter parameters. */
4366         ha->flags.disable_risc_code_load = 0;
4367         ha->flags.enable_lip_reset = 0;
4368         ha->flags.enable_lip_full_login =
4369             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4370         ha->flags.enable_target_reset =
4371             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4372         ha->flags.enable_led_scheme = 0;
4373         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4374
4375         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4376             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4377
4378         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4379             sizeof(ha->fw_seriallink_options24));
4380
4381         /* save HBA serial number */
4382         ha->serial0 = icb->port_name[5];
4383         ha->serial1 = icb->port_name[6];
4384         ha->serial2 = icb->port_name[7];
4385         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4386         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4387
4388         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4389
4390         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4391
4392         /* Set minimum login_timeout to 4 seconds. */
4393         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4394                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4395         if (le16_to_cpu(nv->login_timeout) < 4)
4396                 nv->login_timeout = __constant_cpu_to_le16(4);
4397         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4398         icb->login_timeout = nv->login_timeout;
4399
4400         /* Set minimum RATOV to 100 tenths of a second. */
4401         ha->r_a_tov = 100;
4402
4403         ha->loop_reset_delay = nv->reset_delay;
4404
4405         /* Link Down Timeout = 0:
4406          *
4407          *      When Port Down timer expires we will start returning
4408          *      I/O's to OS with "DID_NO_CONNECT".
4409          *
4410          * Link Down Timeout != 0:
4411          *
4412          *       The driver waits for the link to come up after link down
4413          *       before returning I/Os to OS with "DID_NO_CONNECT".
4414          */
4415         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4416                 ha->loop_down_abort_time =
4417                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4418         } else {
4419                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4420                 ha->loop_down_abort_time =
4421                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4422         }
4423
4424         /* Need enough time to try and get the port back. */
4425         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4426         if (qlport_down_retry)
4427                 ha->port_down_retry_count = qlport_down_retry;
4428
4429         /* Set login_retry_count */
4430         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4431         if (ha->port_down_retry_count ==
4432             le16_to_cpu(nv->port_down_retry_count) &&
4433             ha->port_down_retry_count > 3)
4434                 ha->login_retry_count = ha->port_down_retry_count;
4435         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4436                 ha->login_retry_count = ha->port_down_retry_count;
4437         if (ql2xloginretrycount)
4438                 ha->login_retry_count = ql2xloginretrycount;
4439
4440         /* Enable ZIO. */
4441         if (!vha->flags.init_done) {
4442                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4443                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4444                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4445                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4446         }
4447         icb->firmware_options_2 &= __constant_cpu_to_le32(
4448             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4449         vha->flags.process_response_queue = 0;
4450         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4451                 ha->zio_mode = QLA_ZIO_MODE_6;
4452
4453                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4454                     "(%d us).\n", vha->host_no, ha->zio_mode,
4455                     ha->zio_timer * 100));
4456                 qla_printk(KERN_INFO, ha,
4457                     "ZIO mode %d enabled; timer delay (%d us).\n",
4458                     ha->zio_mode, ha->zio_timer * 100);
4459
4460                 icb->firmware_options_2 |= cpu_to_le32(
4461                     (uint32_t)ha->zio_mode);
4462                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4463                 vha->flags.process_response_queue = 1;
4464         }
4465
4466         if (rval) {
4467                 DEBUG2_3(printk(KERN_WARNING
4468                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4469         }
4470         return (rval);
4471 }
4472
4473 static int
4474 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4475     uint32_t faddr)
4476 {
4477         int     rval = QLA_SUCCESS;
4478         int     segments, fragment;
4479         uint32_t *dcode, dlen;
4480         uint32_t risc_addr;
4481         uint32_t risc_size;
4482         uint32_t i;
4483         struct qla_hw_data *ha = vha->hw;
4484         struct req_que *req = ha->req_q_map[0];
4485
4486         qla_printk(KERN_INFO, ha,
4487             "FW: Loading from flash (%x)...\n", faddr);
4488
4489         rval = QLA_SUCCESS;
4490
4491         segments = FA_RISC_CODE_SEGMENTS;
4492         dcode = (uint32_t *)req->ring;
4493         *srisc_addr = 0;
4494
4495         /* Validate firmware image by checking version. */
4496         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4497         for (i = 0; i < 4; i++)
4498                 dcode[i] = be32_to_cpu(dcode[i]);
4499         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4500             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4501             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4502                 dcode[3] == 0)) {
4503                 qla_printk(KERN_WARNING, ha,
4504                     "Unable to verify integrity of flash firmware image!\n");
4505                 qla_printk(KERN_WARNING, ha,
4506                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4507                     dcode[1], dcode[2], dcode[3]);
4508
4509                 return QLA_FUNCTION_FAILED;
4510         }
4511
4512         while (segments && rval == QLA_SUCCESS) {
4513                 /* Read segment's load information. */
4514                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4515
4516                 risc_addr = be32_to_cpu(dcode[2]);
4517                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4518                 risc_size = be32_to_cpu(dcode[3]);
4519
4520                 fragment = 0;
4521                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4522                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4523                         if (dlen > risc_size)
4524                                 dlen = risc_size;
4525
4526                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4527                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4528                             vha->host_no, risc_addr, dlen, faddr));
4529
4530                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4531                         for (i = 0; i < dlen; i++)
4532                                 dcode[i] = swab32(dcode[i]);
4533
4534                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4535                             dlen);
4536                         if (rval) {
4537                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4538                                     "segment %d of firmware\n", vha->host_no,
4539                                     fragment));
4540                                 qla_printk(KERN_WARNING, ha,
4541                                     "[ERROR] Failed to load segment %d of "
4542                                     "firmware\n", fragment);
4543                                 break;
4544                         }
4545
4546                         faddr += dlen;
4547                         risc_addr += dlen;
4548                         risc_size -= dlen;
4549                         fragment++;
4550                 }
4551
4552                 /* Next segment. */
4553                 segments--;
4554         }
4555
4556         return rval;
4557 }
4558
4559 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4560
4561 int
4562 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4563 {
4564         int     rval;
4565         int     i, fragment;
4566         uint16_t *wcode, *fwcode;
4567         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4568         struct fw_blob *blob;
4569         struct qla_hw_data *ha = vha->hw;
4570         struct req_que *req = ha->req_q_map[0];
4571
4572         /* Load firmware blob. */
4573         blob = qla2x00_request_firmware(vha);
4574         if (!blob) {
4575                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4576                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4577                     "from: " QLA_FW_URL ".\n");
4578                 return QLA_FUNCTION_FAILED;
4579         }
4580
4581         rval = QLA_SUCCESS;
4582
4583         wcode = (uint16_t *)req->ring;
4584         *srisc_addr = 0;
4585         fwcode = (uint16_t *)blob->fw->data;
4586         fwclen = 0;
4587
4588         /* Validate firmware image by checking version. */
4589         if (blob->fw->size < 8 * sizeof(uint16_t)) {
4590                 qla_printk(KERN_WARNING, ha,
4591                     "Unable to verify integrity of firmware image (%Zd)!\n",
4592                     blob->fw->size);
4593                 goto fail_fw_integrity;
4594         }
4595         for (i = 0; i < 4; i++)
4596                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4597         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4598             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4599                 wcode[2] == 0 && wcode[3] == 0)) {
4600                 qla_printk(KERN_WARNING, ha,
4601                     "Unable to verify integrity of firmware image!\n");
4602                 qla_printk(KERN_WARNING, ha,
4603                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4604                     wcode[1], wcode[2], wcode[3]);
4605                 goto fail_fw_integrity;
4606         }
4607
4608         seg = blob->segs;
4609         while (*seg && rval == QLA_SUCCESS) {
4610                 risc_addr = *seg;
4611                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4612                 risc_size = be16_to_cpu(fwcode[3]);
4613
4614                 /* Validate firmware image size. */
4615                 fwclen += risc_size * sizeof(uint16_t);
4616                 if (blob->fw->size < fwclen) {
4617                         qla_printk(KERN_WARNING, ha,
4618                             "Unable to verify integrity of firmware image "
4619                             "(%Zd)!\n", blob->fw->size);
4620                         goto fail_fw_integrity;
4621                 }
4622
4623                 fragment = 0;
4624                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4625                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4626                         if (wlen > risc_size)
4627                                 wlen = risc_size;
4628
4629                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4630                             "addr %x, number of words 0x%x.\n", vha->host_no,
4631                             risc_addr, wlen));
4632
4633                         for (i = 0; i < wlen; i++)
4634                                 wcode[i] = swab16(fwcode[i]);
4635
4636                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4637                             wlen);
4638                         if (rval) {
4639                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4640                                     "segment %d of firmware\n", vha->host_no,
4641                                     fragment));
4642                                 qla_printk(KERN_WARNING, ha,
4643                                     "[ERROR] Failed to load segment %d of "
4644                                     "firmware\n", fragment);
4645                                 break;
4646                         }
4647
4648                         fwcode += wlen;
4649                         risc_addr += wlen;
4650                         risc_size -= wlen;
4651                         fragment++;
4652                 }
4653
4654                 /* Next segment. */
4655                 seg++;
4656         }
4657         return rval;
4658
4659 fail_fw_integrity:
4660         return QLA_FUNCTION_FAILED;
4661 }
4662
4663 static int
4664 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4665 {
4666         int     rval;
4667         int     segments, fragment;
4668         uint32_t *dcode, dlen;
4669         uint32_t risc_addr;
4670         uint32_t risc_size;
4671         uint32_t i;
4672         struct fw_blob *blob;
4673         uint32_t *fwcode, fwclen;
4674         struct qla_hw_data *ha = vha->hw;
4675         struct req_que *req = ha->req_q_map[0];
4676
4677         /* Load firmware blob. */
4678         blob = qla2x00_request_firmware(vha);
4679         if (!blob) {
4680                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4681                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4682                     "from: " QLA_FW_URL ".\n");
4683
4684                 return QLA_FUNCTION_FAILED;
4685         }
4686
4687         qla_printk(KERN_INFO, ha,
4688             "FW: Loading via request-firmware...\n");
4689
4690         rval = QLA_SUCCESS;
4691
4692         segments = FA_RISC_CODE_SEGMENTS;
4693         dcode = (uint32_t *)req->ring;
4694         *srisc_addr = 0;
4695         fwcode = (uint32_t *)blob->fw->data;
4696         fwclen = 0;
4697
4698         /* Validate firmware image by checking version. */
4699         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4700                 qla_printk(KERN_WARNING, ha,
4701                     "Unable to verify integrity of firmware image (%Zd)!\n",
4702                     blob->fw->size);
4703                 goto fail_fw_integrity;
4704         }
4705         for (i = 0; i < 4; i++)
4706                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4707         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4708             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4709             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4710                 dcode[3] == 0)) {
4711                 qla_printk(KERN_WARNING, ha,
4712                     "Unable to verify integrity of firmware image!\n");
4713                 qla_printk(KERN_WARNING, ha,
4714                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4715                     dcode[1], dcode[2], dcode[3]);
4716                 goto fail_fw_integrity;
4717         }
4718
4719         while (segments && rval == QLA_SUCCESS) {
4720                 risc_addr = be32_to_cpu(fwcode[2]);
4721                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4722                 risc_size = be32_to_cpu(fwcode[3]);
4723
4724                 /* Validate firmware image size. */
4725                 fwclen += risc_size * sizeof(uint32_t);
4726                 if (blob->fw->size < fwclen) {
4727                         qla_printk(KERN_WARNING, ha,
4728                             "Unable to verify integrity of firmware image "
4729                             "(%Zd)!\n", blob->fw->size);
4730
4731                         goto fail_fw_integrity;
4732                 }
4733
4734                 fragment = 0;
4735                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4736                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4737                         if (dlen > risc_size)
4738                                 dlen = risc_size;
4739
4740                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4741                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4742                             risc_addr, dlen));
4743
4744                         for (i = 0; i < dlen; i++)
4745                                 dcode[i] = swab32(fwcode[i]);
4746
4747                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4748                             dlen);
4749                         if (rval) {
4750                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4751                                     "segment %d of firmware\n", vha->host_no,
4752                                     fragment));
4753                                 qla_printk(KERN_WARNING, ha,
4754                                     "[ERROR] Failed to load segment %d of "
4755                                     "firmware\n", fragment);
4756                                 break;
4757                         }
4758
4759                         fwcode += dlen;
4760                         risc_addr += dlen;
4761                         risc_size -= dlen;
4762                         fragment++;
4763                 }
4764
4765                 /* Next segment. */
4766                 segments--;
4767         }
4768         return rval;
4769
4770 fail_fw_integrity:
4771         return QLA_FUNCTION_FAILED;
4772 }
4773
4774 int
4775 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4776 {
4777         int rval;
4778
4779         if (ql2xfwloadbin == 1)
4780                 return qla81xx_load_risc(vha, srisc_addr);
4781
4782         /*
4783          * FW Load priority:
4784          * 1) Firmware via request-firmware interface (.bin file).
4785          * 2) Firmware residing in flash.
4786          */
4787         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4788         if (rval == QLA_SUCCESS)
4789                 return rval;
4790
4791         return qla24xx_load_risc_flash(vha, srisc_addr,
4792             vha->hw->flt_region_fw);
4793 }
4794
4795 int
4796 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4797 {
4798         int rval;
4799         struct qla_hw_data *ha = vha->hw;
4800
4801         if (ql2xfwloadbin == 2)
4802                 goto try_blob_fw;
4803
4804         /*
4805          * FW Load priority:
4806          * 1) Firmware residing in flash.
4807          * 2) Firmware via request-firmware interface (.bin file).
4808          * 3) Golden-Firmware residing in flash -- limited operation.
4809          */
4810         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4811         if (rval == QLA_SUCCESS)
4812                 return rval;
4813
4814 try_blob_fw:
4815         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4816         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4817                 return rval;
4818
4819         qla_printk(KERN_ERR, ha,
4820             "FW: Attempting to fallback to golden firmware...\n");
4821         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4822         if (rval != QLA_SUCCESS)
4823                 return rval;
4824
4825         qla_printk(KERN_ERR, ha,
4826             "FW: Please update operational firmware...\n");
4827         ha->flags.running_gold_fw = 1;
4828
4829         return rval;
4830 }
4831
4832 void
4833 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4834 {
4835         int ret, retries;
4836         struct qla_hw_data *ha = vha->hw;
4837
4838         if (ha->flags.pci_channel_io_perm_failure)
4839                 return;
4840         if (!IS_FWI2_CAPABLE(ha))
4841                 return;
4842         if (!ha->fw_major_version)
4843                 return;
4844
4845         ret = qla2x00_stop_firmware(vha);
4846         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4847             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4848                 ha->isp_ops->reset_chip(vha);
4849                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4850                         continue;
4851                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4852                         continue;
4853                 qla_printk(KERN_INFO, ha,
4854                     "Attempting retry of stop-firmware command...\n");
4855                 ret = qla2x00_stop_firmware(vha);
4856         }
4857 }
4858
4859 int
4860 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4861 {
4862         int rval = QLA_SUCCESS;
4863         uint16_t mb[MAILBOX_REGISTER_COUNT];
4864         struct qla_hw_data *ha = vha->hw;
4865         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4866         struct req_que *req;
4867         struct rsp_que *rsp;
4868
4869         if (!vha->vp_idx)
4870                 return -EINVAL;
4871
4872         rval = qla2x00_fw_ready(base_vha);
4873         if (ha->flags.cpu_affinity_enabled)
4874                 req = ha->req_q_map[0];
4875         else
4876                 req = vha->req;
4877         rsp = req->rsp;
4878
4879         if (rval == QLA_SUCCESS) {
4880                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4881                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4882         }
4883
4884         vha->flags.management_server_logged_in = 0;
4885
4886         /* Login to SNS first */
4887         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4888         if (mb[0] != MBS_COMMAND_COMPLETE) {
4889                 DEBUG15(qla_printk(KERN_INFO, ha,
4890                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4891                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4892                     mb[0], mb[1], mb[2], mb[6], mb[7]));
4893                 return (QLA_FUNCTION_FAILED);
4894         }
4895
4896         atomic_set(&vha->loop_down_timer, 0);
4897         atomic_set(&vha->loop_state, LOOP_UP);
4898         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4899         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4900         rval = qla2x00_loop_resync(base_vha);
4901
4902         return rval;
4903 }
4904
4905 /* 84XX Support **************************************************************/
4906
4907 static LIST_HEAD(qla_cs84xx_list);
4908 static DEFINE_MUTEX(qla_cs84xx_mutex);
4909
4910 static struct qla_chip_state_84xx *
4911 qla84xx_get_chip(struct scsi_qla_host *vha)
4912 {
4913         struct qla_chip_state_84xx *cs84xx;
4914         struct qla_hw_data *ha = vha->hw;
4915
4916         mutex_lock(&qla_cs84xx_mutex);
4917
4918         /* Find any shared 84xx chip. */
4919         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4920                 if (cs84xx->bus == ha->pdev->bus) {
4921                         kref_get(&cs84xx->kref);
4922                         goto done;
4923                 }
4924         }
4925
4926         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4927         if (!cs84xx)
4928                 goto done;
4929
4930         kref_init(&cs84xx->kref);
4931         spin_lock_init(&cs84xx->access_lock);
4932         mutex_init(&cs84xx->fw_update_mutex);
4933         cs84xx->bus = ha->pdev->bus;
4934
4935         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4936 done:
4937         mutex_unlock(&qla_cs84xx_mutex);
4938         return cs84xx;
4939 }
4940
4941 static void
4942 __qla84xx_chip_release(struct kref *kref)
4943 {
4944         struct qla_chip_state_84xx *cs84xx =
4945             container_of(kref, struct qla_chip_state_84xx, kref);
4946
4947         mutex_lock(&qla_cs84xx_mutex);
4948         list_del(&cs84xx->list);
4949         mutex_unlock(&qla_cs84xx_mutex);
4950         kfree(cs84xx);
4951 }
4952
4953 void
4954 qla84xx_put_chip(struct scsi_qla_host *vha)
4955 {
4956         struct qla_hw_data *ha = vha->hw;
4957         if (ha->cs84xx)
4958                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4959 }
4960
4961 static int
4962 qla84xx_init_chip(scsi_qla_host_t *vha)
4963 {
4964         int rval;
4965         uint16_t status[2];
4966         struct qla_hw_data *ha = vha->hw;
4967
4968         mutex_lock(&ha->cs84xx->fw_update_mutex);
4969
4970         rval = qla84xx_verify_chip(vha, status);
4971
4972         mutex_unlock(&ha->cs84xx->fw_update_mutex);
4973
4974         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4975             QLA_SUCCESS;
4976 }
4977
4978 /* 81XX Support **************************************************************/
4979
4980 int
4981 qla81xx_nvram_config(scsi_qla_host_t *vha)
4982 {
4983         int   rval;
4984         struct init_cb_81xx *icb;
4985         struct nvram_81xx *nv;
4986         uint32_t *dptr;
4987         uint8_t  *dptr1, *dptr2;
4988         uint32_t chksum;
4989         uint16_t cnt;
4990         struct qla_hw_data *ha = vha->hw;
4991
4992         rval = QLA_SUCCESS;
4993         icb = (struct init_cb_81xx *)ha->init_cb;
4994         nv = ha->nvram;
4995
4996         /* Determine NVRAM starting address. */
4997         ha->nvram_size = sizeof(struct nvram_81xx);
4998         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4999
5000         /* Get VPD data into cache */
5001         ha->vpd = ha->nvram + VPD_OFFSET;
5002         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5003             ha->vpd_size);
5004
5005         /* Get NVRAM data into cache and calculate checksum. */
5006         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5007             ha->nvram_size);
5008         dptr = (uint32_t *)nv;
5009         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5010                 chksum += le32_to_cpu(*dptr++);
5011
5012         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
5013         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
5014
5015         /* Bad NVRAM data, set defaults parameters. */
5016         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5017             || nv->id[3] != ' ' ||
5018             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5019                 /* Reset NVRAM data. */
5020                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
5021                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
5022                     le16_to_cpu(nv->nvram_version));
5023                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
5024                     "invalid -- WWPN) defaults.\n");
5025
5026                 /*
5027                  * Set default initialization control block.
5028                  */
5029                 memset(nv, 0, ha->nvram_size);
5030                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5031                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5032                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5033                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5034                 nv->exchange_count = __constant_cpu_to_le16(0);
5035                 nv->port_name[0] = 0x21;
5036                 nv->port_name[1] = 0x00 + ha->port_no;
5037                 nv->port_name[2] = 0x00;
5038                 nv->port_name[3] = 0xe0;
5039                 nv->port_name[4] = 0x8b;
5040                 nv->port_name[5] = 0x1c;
5041                 nv->port_name[6] = 0x55;
5042                 nv->port_name[7] = 0x86;
5043                 nv->node_name[0] = 0x20;
5044                 nv->node_name[1] = 0x00;
5045                 nv->node_name[2] = 0x00;
5046                 nv->node_name[3] = 0xe0;
5047                 nv->node_name[4] = 0x8b;
5048                 nv->node_name[5] = 0x1c;
5049                 nv->node_name[6] = 0x55;
5050                 nv->node_name[7] = 0x86;
5051                 nv->login_retry_count = __constant_cpu_to_le16(8);
5052                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5053                 nv->login_timeout = __constant_cpu_to_le16(0);
5054                 nv->firmware_options_1 =
5055                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5056                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5057                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5058                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5059                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5060                 nv->efi_parameters = __constant_cpu_to_le32(0);
5061                 nv->reset_delay = 5;
5062                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5063                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5064                 nv->link_down_timeout = __constant_cpu_to_le16(30);
5065                 nv->enode_mac[0] = 0x00;
5066                 nv->enode_mac[1] = 0x02;
5067                 nv->enode_mac[2] = 0x03;
5068                 nv->enode_mac[3] = 0x04;
5069                 nv->enode_mac[4] = 0x05;
5070                 nv->enode_mac[5] = 0x06 + ha->port_no;
5071
5072                 rval = 1;
5073         }
5074
5075         /* Reset Initialization control block */
5076         memset(icb, 0, sizeof(struct init_cb_81xx));
5077
5078         /* Copy 1st segment. */
5079         dptr1 = (uint8_t *)icb;
5080         dptr2 = (uint8_t *)&nv->version;
5081         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5082         while (cnt--)
5083                 *dptr1++ = *dptr2++;
5084
5085         icb->login_retry_count = nv->login_retry_count;
5086
5087         /* Copy 2nd segment. */
5088         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5089         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5090         cnt = (uint8_t *)&icb->reserved_5 -
5091             (uint8_t *)&icb->interrupt_delay_timer;
5092         while (cnt--)
5093                 *dptr1++ = *dptr2++;
5094
5095         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5096         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5097         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5098                 icb->enode_mac[0] = 0x01;
5099                 icb->enode_mac[1] = 0x02;
5100                 icb->enode_mac[2] = 0x03;
5101                 icb->enode_mac[3] = 0x04;
5102                 icb->enode_mac[4] = 0x05;
5103                 icb->enode_mac[5] = 0x06 + ha->port_no;
5104         }
5105
5106         /* Use extended-initialization control block. */
5107         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5108
5109         /*
5110          * Setup driver NVRAM options.
5111          */
5112         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5113             "QLE8XXX");
5114
5115         /* Use alternate WWN? */
5116         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5117                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5118                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5119         }
5120
5121         /* Prepare nodename */
5122         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5123                 /*
5124                  * Firmware will apply the following mask if the nodename was
5125                  * not provided.
5126                  */
5127                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5128                 icb->node_name[0] &= 0xF0;
5129         }
5130
5131         /* Set host adapter parameters. */
5132         ha->flags.disable_risc_code_load = 0;
5133         ha->flags.enable_lip_reset = 0;
5134         ha->flags.enable_lip_full_login =
5135             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5136         ha->flags.enable_target_reset =
5137             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5138         ha->flags.enable_led_scheme = 0;
5139         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5140
5141         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5142             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5143
5144         /* save HBA serial number */
5145         ha->serial0 = icb->port_name[5];
5146         ha->serial1 = icb->port_name[6];
5147         ha->serial2 = icb->port_name[7];
5148         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5149         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5150
5151         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5152
5153         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5154
5155         /* Set minimum login_timeout to 4 seconds. */
5156         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5157                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5158         if (le16_to_cpu(nv->login_timeout) < 4)
5159                 nv->login_timeout = __constant_cpu_to_le16(4);
5160         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5161         icb->login_timeout = nv->login_timeout;
5162
5163         /* Set minimum RATOV to 100 tenths of a second. */
5164         ha->r_a_tov = 100;
5165
5166         ha->loop_reset_delay = nv->reset_delay;
5167
5168         /* Link Down Timeout = 0:
5169          *
5170          *      When Port Down timer expires we will start returning
5171          *      I/O's to OS with "DID_NO_CONNECT".
5172          *
5173          * Link Down Timeout != 0:
5174          *
5175          *       The driver waits for the link to come up after link down
5176          *       before returning I/Os to OS with "DID_NO_CONNECT".
5177          */
5178         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5179                 ha->loop_down_abort_time =
5180                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5181         } else {
5182                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5183                 ha->loop_down_abort_time =
5184                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5185         }
5186
5187         /* Need enough time to try and get the port back. */
5188         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5189         if (qlport_down_retry)
5190                 ha->port_down_retry_count = qlport_down_retry;
5191
5192         /* Set login_retry_count */
5193         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5194         if (ha->port_down_retry_count ==
5195             le16_to_cpu(nv->port_down_retry_count) &&
5196             ha->port_down_retry_count > 3)
5197                 ha->login_retry_count = ha->port_down_retry_count;
5198         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5199                 ha->login_retry_count = ha->port_down_retry_count;
5200         if (ql2xloginretrycount)
5201                 ha->login_retry_count = ql2xloginretrycount;
5202
5203         /* Enable ZIO. */
5204         if (!vha->flags.init_done) {
5205                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5206                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5207                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5208                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5209         }
5210         icb->firmware_options_2 &= __constant_cpu_to_le32(
5211             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5212         vha->flags.process_response_queue = 0;
5213         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5214                 ha->zio_mode = QLA_ZIO_MODE_6;
5215
5216                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
5217                     "(%d us).\n", vha->host_no, ha->zio_mode,
5218                     ha->zio_timer * 100));
5219                 qla_printk(KERN_INFO, ha,
5220                     "ZIO mode %d enabled; timer delay (%d us).\n",
5221                     ha->zio_mode, ha->zio_timer * 100);
5222
5223                 icb->firmware_options_2 |= cpu_to_le32(
5224                     (uint32_t)ha->zio_mode);
5225                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5226                 vha->flags.process_response_queue = 1;
5227         }
5228
5229         if (rval) {
5230                 DEBUG2_3(printk(KERN_WARNING
5231                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
5232         }
5233         return (rval);
5234 }
5235
5236 int
5237 qla82xx_restart_isp(scsi_qla_host_t *vha)
5238 {
5239         int status, rval;
5240         uint32_t wait_time;
5241         struct qla_hw_data *ha = vha->hw;
5242         struct req_que *req = ha->req_q_map[0];
5243         struct rsp_que *rsp = ha->rsp_q_map[0];
5244         struct scsi_qla_host *vp;
5245         unsigned long flags;
5246
5247         status = qla2x00_init_rings(vha);
5248         if (!status) {
5249                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5250                 ha->flags.chip_reset_done = 1;
5251
5252                 status = qla2x00_fw_ready(vha);
5253                 if (!status) {
5254                         qla_printk(KERN_INFO, ha,
5255                         "%s(): Start configure loop, "
5256                         "status = %d\n", __func__, status);
5257
5258                         /* Issue a marker after FW becomes ready. */
5259                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5260
5261                         vha->flags.online = 1;
5262                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5263                         wait_time = 256;
5264                         do {
5265                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5266                                 qla2x00_configure_loop(vha);
5267                                 wait_time--;
5268                         } while (!atomic_read(&vha->loop_down_timer) &&
5269                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5270                             wait_time &&
5271                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5272                 }
5273
5274                 /* if no cable then assume it's good */
5275                 if ((vha->device_flags & DFLG_NO_CABLE))
5276                         status = 0;
5277
5278                 qla_printk(KERN_INFO, ha,
5279                         "%s(): Configure loop done, status = 0x%x\n",
5280                         __func__, status);
5281         }
5282
5283         if (!status) {
5284                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5285
5286                 if (!atomic_read(&vha->loop_down_timer)) {
5287                         /*
5288                          * Issue marker command only when we are going
5289                          * to start the I/O .
5290                          */
5291                         vha->marker_needed = 1;
5292                 }
5293
5294                 vha->flags.online = 1;
5295
5296                 ha->isp_ops->enable_intrs(ha);
5297
5298                 ha->isp_abort_cnt = 0;
5299                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5300
5301                 if (ha->fce) {
5302                         ha->flags.fce_enabled = 1;
5303                         memset(ha->fce, 0,
5304                             fce_calc_size(ha->fce_bufs));
5305                         rval = qla2x00_enable_fce_trace(vha,
5306                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5307                             &ha->fce_bufs);
5308                         if (rval) {
5309                                 qla_printk(KERN_WARNING, ha,
5310                                     "Unable to reinitialize FCE "
5311                                     "(%d).\n", rval);
5312                                 ha->flags.fce_enabled = 0;
5313                         }
5314                 }
5315
5316                 if (ha->eft) {
5317                         memset(ha->eft, 0, EFT_SIZE);
5318                         rval = qla2x00_enable_eft_trace(vha,
5319                             ha->eft_dma, EFT_NUM_BUFFERS);
5320                         if (rval) {
5321                                 qla_printk(KERN_WARNING, ha,
5322                                     "Unable to reinitialize EFT "
5323                                     "(%d).\n", rval);
5324                         }
5325                 }
5326         }
5327
5328         if (!status) {
5329                 DEBUG(printk(KERN_INFO
5330                         "qla82xx_restart_isp(%ld): succeeded.\n",
5331                         vha->host_no));
5332
5333                 spin_lock_irqsave(&ha->vport_slock, flags);
5334                 list_for_each_entry(vp, &ha->vp_list, list) {
5335                         if (vp->vp_idx) {
5336                                 atomic_inc(&vp->vref_count);
5337                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5338
5339                                 qla2x00_vp_abort_isp(vp);
5340
5341                                 spin_lock_irqsave(&ha->vport_slock, flags);
5342                                 atomic_dec(&vp->vref_count);
5343                         }
5344                 }
5345                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5346
5347         } else {
5348                 qla_printk(KERN_INFO, ha,
5349                         "qla82xx_restart_isp: **** FAILED ****\n");
5350         }
5351
5352         return status;
5353 }
5354
5355 void
5356 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5357 {
5358         struct qla_hw_data *ha = vha->hw;
5359
5360         if (!ql2xetsenable)
5361                 return;
5362
5363         /* Enable ETS Burst. */
5364         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5365         ha->fw_options[2] |= BIT_9;
5366         qla2x00_set_fw_options(vha, ha->fw_options);
5367 }
5368
5369 /*
5370  * qla24xx_get_fcp_prio
5371  *      Gets the fcp cmd priority value for the logged in port.
5372  *      Looks for a match of the port descriptors within
5373  *      each of the fcp prio config entries. If a match is found,
5374  *      the tag (priority) value is returned.
5375  *
5376  * Input:
5377  *      ha = adapter block po
5378  *      fcport = port structure pointer.
5379  *
5380  * Return:
5381  *      non-zero (if found)
5382  *      0 (if not found)
5383  *
5384  * Context:
5385  *      Kernel context
5386  */
5387 uint8_t
5388 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5389 {
5390         int i, entries;
5391         uint8_t pid_match, wwn_match;
5392         uint8_t priority;
5393         uint32_t pid1, pid2;
5394         uint64_t wwn1, wwn2;
5395         struct qla_fcp_prio_entry *pri_entry;
5396         struct qla_hw_data *ha = vha->hw;
5397
5398         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5399                 return 0;
5400
5401         priority = 0;
5402         entries = ha->fcp_prio_cfg->num_entries;
5403         pri_entry = &ha->fcp_prio_cfg->entry[0];
5404
5405         for (i = 0; i < entries; i++) {
5406                 pid_match = wwn_match = 0;
5407
5408                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5409                         pri_entry++;
5410                         continue;
5411                 }
5412
5413                 /* check source pid for a match */
5414                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5415                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5416                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5417                         if (pid1 == INVALID_PORT_ID)
5418                                 pid_match++;
5419                         else if (pid1 == pid2)
5420                                 pid_match++;
5421                 }
5422
5423                 /* check destination pid for a match */
5424                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5425                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5426                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5427                         if (pid1 == INVALID_PORT_ID)
5428                                 pid_match++;
5429                         else if (pid1 == pid2)
5430                                 pid_match++;
5431                 }
5432
5433                 /* check source WWN for a match */
5434                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5435                         wwn1 = wwn_to_u64(vha->port_name);
5436                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5437                         if (wwn2 == (uint64_t)-1)
5438                                 wwn_match++;
5439                         else if (wwn1 == wwn2)
5440                                 wwn_match++;
5441                 }
5442
5443                 /* check destination WWN for a match */
5444                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5445                         wwn1 = wwn_to_u64(fcport->port_name);
5446                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5447                         if (wwn2 == (uint64_t)-1)
5448                                 wwn_match++;
5449                         else if (wwn1 == wwn2)
5450                                 wwn_match++;
5451                 }
5452
5453                 if (pid_match == 2 || wwn_match == 2) {
5454                         /* Found a matching entry */
5455                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5456                                 priority = pri_entry->tag;
5457                         break;
5458                 }
5459
5460                 pri_entry++;
5461         }
5462
5463         return priority;
5464 }
5465
5466 /*
5467  * qla24xx_update_fcport_fcp_prio
5468  *      Activates fcp priority for the logged in fc port
5469  *
5470  * Input:
5471  *      ha = adapter block pointer.
5472  *      fcp = port structure pointer.
5473  *
5474  * Return:
5475  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5476  *
5477  * Context:
5478  *      Kernel context.
5479  */
5480 int
5481 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *ha, fc_port_t *fcport)
5482 {
5483         int ret;
5484         uint8_t priority;
5485         uint16_t mb[5];
5486
5487         if (atomic_read(&fcport->state) == FCS_UNCONFIGURED ||
5488                 fcport->port_type != FCT_TARGET ||
5489                 fcport->loop_id == FC_NO_LOOP_ID)
5490                 return QLA_FUNCTION_FAILED;
5491
5492         priority = qla24xx_get_fcp_prio(ha, fcport);
5493         ret = qla24xx_set_fcp_prio(ha, fcport->loop_id, priority, mb);
5494         if (ret == QLA_SUCCESS)
5495                 fcport->fcp_prio = priority;
5496         else
5497                 DEBUG2(printk(KERN_WARNING
5498                         "scsi(%ld): Unable to activate fcp priority, "
5499                         " ret=0x%x\n", ha->host_no, ret));
5500
5501         return  ret;
5502 }
5503
5504 /*
5505  * qla24xx_update_all_fcp_prio
5506  *      Activates fcp priority for all the logged in ports
5507  *
5508  * Input:
5509  *      ha = adapter block pointer.
5510  *
5511  * Return:
5512  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5513  *
5514  * Context:
5515  *      Kernel context.
5516  */
5517 int
5518 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5519 {
5520         int ret;
5521         fc_port_t *fcport;
5522
5523         ret = QLA_FUNCTION_FAILED;
5524         /* We need to set priority for all logged in ports */
5525         list_for_each_entry(fcport, &vha->vp_fcports, list)
5526                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5527
5528         return ret;
5529 }