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(&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         ha->flags.thermal_supported = 1;
 502         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 503         atomic_set(&vha->loop_state, LOOP_DOWN);
 504         vha->device_flags = DFLG_NO_CABLE;
 505         vha->dpc_flags = 0;
 506         vha->flags.management_server_logged_in = 0;
 507         vha->marker_needed = 0;
 508         ha->isp_abort_cnt = 0;
 509         ha->beacon_blink_led = 0;
 510
 511         set_bit(0, ha->req_qid_map);
 512         set_bit(0, ha->rsp_qid_map);
 513
 514         qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
 515         rval = ha->isp_ops->pci_config(vha);
 516         if (rval) {
 517                 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
 518                     vha->host_no));
 519                 return (rval);
 520         }
 521
 522         ha->isp_ops->reset_chip(vha);
 523
 524         rval = qla2xxx_get_flash_info(vha);
 525         if (rval) {
 526                 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
 527                     vha->host_no));
 528                 return (rval);
 529         }
 530
 531         ha->isp_ops->get_flash_version(vha, req->ring);
 532
 533         qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
 534
 535         ha->isp_ops->nvram_config(vha);
 536
 537         if (ha->flags.disable_serdes) {
 538                 /* Mask HBA via NVRAM settings? */
 539                 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
 540                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 541                     vha->port_name[0], vha->port_name[1],
 542                     vha->port_name[2], vha->port_name[3],
 543                     vha->port_name[4], vha->port_name[5],
 544                     vha->port_name[6], vha->port_name[7]);
 545                 return QLA_FUNCTION_FAILED;
 546         }
 547
 548         qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
 549
 550         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 551                 rval = ha->isp_ops->chip_diag(vha);
 552                 if (rval)
 553                         return (rval);
 554                 rval = qla2x00_setup_chip(vha);
 555                 if (rval)
 556                         return (rval);
 557         }
 558
 559         if (IS_QLA84XX(ha)) {
 560                 ha->cs84xx = qla84xx_get_chip(vha);
 561                 if (!ha->cs84xx) {
 562                         qla_printk(KERN_ERR, ha,
 563                             "Unable to configure ISP84XX.\n");
 564                         return QLA_FUNCTION_FAILED;
 565                 }
 566         }
 567         rval = qla2x00_init_rings(vha);
 568         ha->flags.chip_reset_done = 1;
 569
 570         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 571                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 572                 rval = qla84xx_init_chip(vha);
 573                 if (rval != QLA_SUCCESS) {
 574                         qla_printk(KERN_ERR, ha,
 575                                 "Unable to initialize ISP84XX.\n");
 576                 qla84xx_put_chip(vha);
 577                 }
 578         }
 579
 580         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 581                 qla24xx_read_fcp_prio_cfg(vha);
 582
 583         return (rval);
 584 }
 585
 586 /**
 587  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 588  * @ha: HA context
 589  *
 590  * Returns 0 on success.
 591  */
 592 int
 593 qla2100_pci_config(scsi_qla_host_t *vha)
 594 {
 595         uint16_t w;
 596         unsigned long flags;
 597         struct qla_hw_data *ha = vha->hw;
 598         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 599
 600         pci_set_master(ha->pdev);
 601         pci_try_set_mwi(ha->pdev);
 602
 603         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 604         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 605         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 606
 607         pci_disable_rom(ha->pdev);
 608
 609         /* Get PCI bus information. */
 610         spin_lock_irqsave(&ha->hardware_lock, flags);
 611         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 612         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 613
 614         return QLA_SUCCESS;
 615 }
 616
 617 /**
 618  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 619  * @ha: HA context
 620  *
 621  * Returns 0 on success.
 622  */
 623 int
 624 qla2300_pci_config(scsi_qla_host_t *vha)
 625 {
 626         uint16_t        w;
 627         unsigned long   flags = 0;
 628         uint32_t        cnt;
 629         struct qla_hw_data *ha = vha->hw;
 630         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 631
 632         pci_set_master(ha->pdev);
 633         pci_try_set_mwi(ha->pdev);
 634
 635         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 636         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 637
 638         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 639                 w &= ~PCI_COMMAND_INTX_DISABLE;
 640         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 641
 642         /*
 643          * If this is a 2300 card and not 2312, reset the
 644          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 645          * the 2310 also reports itself as a 2300 so we need to get the
 646          * fb revision level -- a 6 indicates it really is a 2300 and
 647          * not a 2310.
 648          */
 649         if (IS_QLA2300(ha)) {
 650                 spin_lock_irqsave(&ha->hardware_lock, flags);
 651
 652                 /* Pause RISC. */
 653                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 654                 for (cnt = 0; cnt < 30000; cnt++) {
 655                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 656                                 break;
 657
 658                         udelay(10);
 659                 }
 660
 661                 /* Select FPM registers. */
 662                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 663                 RD_REG_WORD(&reg->ctrl_status);
 664
 665                 /* Get the fb rev level */
 666                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 667
 668                 if (ha->fb_rev == FPM_2300)
 669                         pci_clear_mwi(ha->pdev);
 670
 671                 /* Deselect FPM registers. */
 672                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 673                 RD_REG_WORD(&reg->ctrl_status);
 674
 675                 /* Release RISC module. */
 676                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 677                 for (cnt = 0; cnt < 30000; cnt++) {
 678                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 679                                 break;
 680
 681                         udelay(10);
 682                 }
 683
 684                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 685         }
 686
 687         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 688
 689         pci_disable_rom(ha->pdev);
 690
 691         /* Get PCI bus information. */
 692         spin_lock_irqsave(&ha->hardware_lock, flags);
 693         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 694         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 695
 696         return QLA_SUCCESS;
 697 }
 698
 699 /**
 700  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 701  * @ha: HA context
 702  *
 703  * Returns 0 on success.
 704  */
 705 int
 706 qla24xx_pci_config(scsi_qla_host_t *vha)
 707 {
 708         uint16_t w;
 709         unsigned long flags = 0;
 710         struct qla_hw_data *ha = vha->hw;
 711         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 712
 713         pci_set_master(ha->pdev);
 714         pci_try_set_mwi(ha->pdev);
 715
 716         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 717         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 718         w &= ~PCI_COMMAND_INTX_DISABLE;
 719         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 720
 721         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 722
 723         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 724         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 725                 pcix_set_mmrbc(ha->pdev, 2048);
 726
 727         /* PCIe -- adjust Maximum Read Request Size (2048). */
 728         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 729                 pcie_set_readrq(ha->pdev, 2048);
 730
 731         pci_disable_rom(ha->pdev);
 732
 733         ha->chip_revision = ha->pdev->revision;
 734
 735         /* Get PCI bus information. */
 736         spin_lock_irqsave(&ha->hardware_lock, flags);
 737         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 738         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 739
 740         return QLA_SUCCESS;
 741 }
 742
 743 /**
 744  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 745  * @ha: HA context
 746  *
 747  * Returns 0 on success.
 748  */
 749 int
 750 qla25xx_pci_config(scsi_qla_host_t *vha)
 751 {
 752         uint16_t w;
 753         struct qla_hw_data *ha = vha->hw;
 754
 755         pci_set_master(ha->pdev);
 756         pci_try_set_mwi(ha->pdev);
 757
 758         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 759         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 760         w &= ~PCI_COMMAND_INTX_DISABLE;
 761         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 762
 763         /* PCIe -- adjust Maximum Read Request Size (2048). */
 764         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 765                 pcie_set_readrq(ha->pdev, 2048);
 766
 767         pci_disable_rom(ha->pdev);
 768
 769         ha->chip_revision = ha->pdev->revision;
 770
 771         return QLA_SUCCESS;
 772 }
 773
 774 /**
 775  * qla2x00_isp_firmware() - Choose firmware image.
 776  * @ha: HA context
 777  *
 778  * Returns 0 on success.
 779  */
 780 static int
 781 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 782 {
 783         int  rval;
 784         uint16_t loop_id, topo, sw_cap;
 785         uint8_t domain, area, al_pa;
 786         struct qla_hw_data *ha = vha->hw;
 787
 788         /* Assume loading risc code */
 789         rval = QLA_FUNCTION_FAILED;
 790
 791         if (ha->flags.disable_risc_code_load) {
 792                 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
 793                     vha->host_no));
 794                 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
 795
 796                 /* Verify checksum of loaded RISC code. */
 797                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 798                 if (rval == QLA_SUCCESS) {
 799                         /* And, verify we are not in ROM code. */
 800                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 801                             &area, &domain, &topo, &sw_cap);
 802                 }
 803         }
 804
 805         if (rval) {
 806                 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
 807                     vha->host_no));
 808         }
 809
 810         return (rval);
 811 }
 812
 813 /**
 814  * qla2x00_reset_chip() - Reset ISP chip.
 815  * @ha: HA context
 816  *
 817  * Returns 0 on success.
 818  */
 819 void
 820 qla2x00_reset_chip(scsi_qla_host_t *vha)
 821 {
 822         unsigned long   flags = 0;
 823         struct qla_hw_data *ha = vha->hw;
 824         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 825         uint32_t        cnt;
 826         uint16_t        cmd;
 827
 828         if (unlikely(pci_channel_offline(ha->pdev)))
 829                 return;
 830
 831         ha->isp_ops->disable_intrs(ha);
 832
 833         spin_lock_irqsave(&ha->hardware_lock, flags);
 834
 835         /* Turn off master enable */
 836         cmd = 0;
 837         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 838         cmd &= ~PCI_COMMAND_MASTER;
 839         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 840
 841         if (!IS_QLA2100(ha)) {
 842                 /* Pause RISC. */
 843                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 844                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 845                         for (cnt = 0; cnt < 30000; cnt++) {
 846                                 if ((RD_REG_WORD(&reg->hccr) &
 847                                     HCCR_RISC_PAUSE) != 0)
 848                                         break;
 849                                 udelay(100);
 850                         }
 851                 } else {
 852                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 853                         udelay(10);
 854                 }
 855
 856                 /* Select FPM registers. */
 857                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 858                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 859
 860                 /* FPM Soft Reset. */
 861                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 862                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 863
 864                 /* Toggle Fpm Reset. */
 865                 if (!IS_QLA2200(ha)) {
 866                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 867                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 868                 }
 869
 870                 /* Select frame buffer registers. */
 871                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 872                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 873
 874                 /* Reset frame buffer FIFOs. */
 875                 if (IS_QLA2200(ha)) {
 876                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 877                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 878                 } else {
 879                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 880
 881                         /* Read back fb_cmd until zero or 3 seconds max */
 882                         for (cnt = 0; cnt < 3000; cnt++) {
 883                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 884                                         break;
 885                                 udelay(100);
 886                         }
 887                 }
 888
 889                 /* Select RISC module registers. */
 890                 WRT_REG_WORD(&reg->ctrl_status, 0);
 891                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 892
 893                 /* Reset RISC processor. */
 894                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 895                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 896
 897                 /* Release RISC processor. */
 898                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 899                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 900         }
 901
 902         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 903         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 904
 905         /* Reset ISP chip. */
 906         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 907
 908         /* Wait for RISC to recover from reset. */
 909         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 910                 /*
 911                  * It is necessary to for a delay here since the card doesn't
 912                  * respond to PCI reads during a reset. On some architectures
 913                  * this will result in an MCA.
 914                  */
 915                 udelay(20);
 916                 for (cnt = 30000; cnt; cnt--) {
 917                         if ((RD_REG_WORD(&reg->ctrl_status) &
 918                             CSR_ISP_SOFT_RESET) == 0)
 919                                 break;
 920                         udelay(100);
 921                 }
 922         } else
 923                 udelay(10);
 924
 925         /* Reset RISC processor. */
 926         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 927
 928         WRT_REG_WORD(&reg->semaphore, 0);
 929
 930         /* Release RISC processor. */
 931         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 932         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 933
 934         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 935                 for (cnt = 0; cnt < 30000; cnt++) {
 936                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 937                                 break;
 938
 939                         udelay(100);
 940                 }
 941         } else
 942                 udelay(100);
 943
 944         /* Turn on master enable */
 945         cmd |= PCI_COMMAND_MASTER;
 946         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 947
 948         /* Disable RISC pause on FPM parity error. */
 949         if (!IS_QLA2100(ha)) {
 950                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 951                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 952         }
 953
 954         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 955 }
 956
 957 /**
 958  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
 959  *
 960  * Returns 0 on success.
 961  */
 962 int
 963 qla81xx_reset_mpi(scsi_qla_host_t *vha)
 964 {
 965         uint16_t mb[4] = {0x1010, 0, 1, 0};
 966
 967         return qla81xx_write_mpi_register(vha, mb);
 968 }
 969
 970 /**
 971  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
 972  * @ha: HA context
 973  *
 974  * Returns 0 on success.
 975  */
 976 static inline void
 977 qla24xx_reset_risc(scsi_qla_host_t *vha)
 978 {
 979         unsigned long flags = 0;
 980         struct qla_hw_data *ha = vha->hw;
 981         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 982         uint32_t cnt, d2;
 983         uint16_t wd;
 984         static int abts_cnt; /* ISP abort retry counts */
 985
 986         spin_lock_irqsave(&ha->hardware_lock, flags);
 987
 988         /* Reset RISC. */
 989         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 990         for (cnt = 0; cnt < 30000; cnt++) {
 991                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
 992                         break;
 993
 994                 udelay(10);
 995         }
 996
 997         WRT_REG_DWORD(&reg->ctrl_status,
 998             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 999         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1000
1001         udelay(100);
1002         /* Wait for firmware to complete NVRAM accesses. */
1003         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1004         for (cnt = 10000 ; cnt && d2; cnt--) {
1005                 udelay(5);
1006                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1007                 barrier();
1008         }
1009
1010         /* Wait for soft-reset to complete. */
1011         d2 = RD_REG_DWORD(&reg->ctrl_status);
1012         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1013                 udelay(5);
1014                 d2 = RD_REG_DWORD(&reg->ctrl_status);
1015                 barrier();
1016         }
1017
1018         /* If required, do an MPI FW reset now */
1019         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1020                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1021                         if (++abts_cnt < 5) {
1022                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1023                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1024                         } else {
1025                                 /*
1026                                  * We exhausted the ISP abort retries. We have to
1027                                  * set the board offline.
1028                                  */
1029                                 abts_cnt = 0;
1030                                 vha->flags.online = 0;
1031                         }
1032                 }
1033         }
1034
1035         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1036         RD_REG_DWORD(&reg->hccr);
1037
1038         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1039         RD_REG_DWORD(&reg->hccr);
1040
1041         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1042         RD_REG_DWORD(&reg->hccr);
1043
1044         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1045         for (cnt = 6000000 ; cnt && d2; cnt--) {
1046                 udelay(5);
1047                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1048                 barrier();
1049         }
1050
1051         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1052
1053         if (IS_NOPOLLING_TYPE(ha))
1054                 ha->isp_ops->enable_intrs(ha);
1055 }
1056
1057 /**
1058  * qla24xx_reset_chip() - Reset ISP24xx chip.
1059  * @ha: HA context
1060  *
1061  * Returns 0 on success.
1062  */
1063 void
1064 qla24xx_reset_chip(scsi_qla_host_t *vha)
1065 {
1066         struct qla_hw_data *ha = vha->hw;
1067
1068         if (pci_channel_offline(ha->pdev) &&
1069             ha->flags.pci_channel_io_perm_failure) {
1070                 return;
1071         }
1072
1073         ha->isp_ops->disable_intrs(ha);
1074
1075         /* Perform RISC reset. */
1076         qla24xx_reset_risc(vha);
1077 }
1078
1079 /**
1080  * qla2x00_chip_diag() - Test chip for proper operation.
1081  * @ha: HA context
1082  *
1083  * Returns 0 on success.
1084  */
1085 int
1086 qla2x00_chip_diag(scsi_qla_host_t *vha)
1087 {
1088         int             rval;
1089         struct qla_hw_data *ha = vha->hw;
1090         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1091         unsigned long   flags = 0;
1092         uint16_t        data;
1093         uint32_t        cnt;
1094         uint16_t        mb[5];
1095         struct req_que *req = ha->req_q_map[0];
1096
1097         /* Assume a failed state */
1098         rval = QLA_FUNCTION_FAILED;
1099
1100         DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
1101             vha->host_no, (u_long)&reg->flash_address));
1102
1103         spin_lock_irqsave(&ha->hardware_lock, flags);
1104
1105         /* Reset ISP chip. */
1106         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1107
1108         /*
1109          * We need to have a delay here since the card will not respond while
1110          * in reset causing an MCA on some architectures.
1111          */
1112         udelay(20);
1113         data = qla2x00_debounce_register(&reg->ctrl_status);
1114         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1115                 udelay(5);
1116                 data = RD_REG_WORD(&reg->ctrl_status);
1117                 barrier();
1118         }
1119
1120         if (!cnt)
1121                 goto chip_diag_failed;
1122
1123         DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
1124             vha->host_no));
1125
1126         /* Reset RISC processor. */
1127         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1128         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1129
1130         /* Workaround for QLA2312 PCI parity error */
1131         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1132                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1133                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1134                         udelay(5);
1135                         data = RD_MAILBOX_REG(ha, reg, 0);
1136                         barrier();
1137                 }
1138         } else
1139                 udelay(10);
1140
1141         if (!cnt)
1142                 goto chip_diag_failed;
1143
1144         /* Check product ID of chip */
1145         DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
1146
1147         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1148         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1149         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1150         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1151         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1152             mb[3] != PROD_ID_3) {
1153                 qla_printk(KERN_WARNING, ha,
1154                     "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
1155
1156                 goto chip_diag_failed;
1157         }
1158         ha->product_id[0] = mb[1];
1159         ha->product_id[1] = mb[2];
1160         ha->product_id[2] = mb[3];
1161         ha->product_id[3] = mb[4];
1162
1163         /* Adjust fw RISC transfer size */
1164         if (req->length > 1024)
1165                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1166         else
1167                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1168                     req->length;
1169
1170         if (IS_QLA2200(ha) &&
1171             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1172                 /* Limit firmware transfer size with a 2200A */
1173                 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
1174                     vha->host_no));
1175
1176                 ha->device_type |= DT_ISP2200A;
1177                 ha->fw_transfer_size = 128;
1178         }
1179
1180         /* Wrap Incoming Mailboxes Test. */
1181         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1182
1183         DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
1184         rval = qla2x00_mbx_reg_test(vha);
1185         if (rval) {
1186                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1187                     vha->host_no));
1188                 qla_printk(KERN_WARNING, ha,
1189                     "Failed mailbox send register test\n");
1190         }
1191         else {
1192                 /* Flag a successful rval */
1193                 rval = QLA_SUCCESS;
1194         }
1195         spin_lock_irqsave(&ha->hardware_lock, flags);
1196
1197 chip_diag_failed:
1198         if (rval)
1199                 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
1200                     "****\n", vha->host_no));
1201
1202         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1203
1204         return (rval);
1205 }
1206
1207 /**
1208  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1209  * @ha: HA context
1210  *
1211  * Returns 0 on success.
1212  */
1213 int
1214 qla24xx_chip_diag(scsi_qla_host_t *vha)
1215 {
1216         int rval;
1217         struct qla_hw_data *ha = vha->hw;
1218         struct req_que *req = ha->req_q_map[0];
1219
1220         if (IS_QLA82XX(ha))
1221                 return QLA_SUCCESS;
1222
1223         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1224
1225         rval = qla2x00_mbx_reg_test(vha);
1226         if (rval) {
1227                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1228                     vha->host_no));
1229                 qla_printk(KERN_WARNING, ha,
1230                     "Failed mailbox send register test\n");
1231         } else {
1232                 /* Flag a successful rval */
1233                 rval = QLA_SUCCESS;
1234         }
1235
1236         return rval;
1237 }
1238
1239 void
1240 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1241 {
1242         int rval;
1243         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1244             eft_size, fce_size, mq_size;
1245         dma_addr_t tc_dma;
1246         void *tc;
1247         struct qla_hw_data *ha = vha->hw;
1248         struct req_que *req = ha->req_q_map[0];
1249         struct rsp_que *rsp = ha->rsp_q_map[0];
1250
1251         if (ha->fw_dump) {
1252                 qla_printk(KERN_WARNING, ha,
1253                     "Firmware dump previously allocated.\n");
1254                 return;
1255         }
1256
1257         ha->fw_dumped = 0;
1258         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1259         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1260                 fixed_size = sizeof(struct qla2100_fw_dump);
1261         } else if (IS_QLA23XX(ha)) {
1262                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1263                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1264                     sizeof(uint16_t);
1265         } else if (IS_FWI2_CAPABLE(ha)) {
1266                 if (IS_QLA81XX(ha))
1267                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1268                 else if (IS_QLA25XX(ha))
1269                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1270                 else
1271                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1272                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1273                     sizeof(uint32_t);
1274                 if (ha->mqenable)
1275                         mq_size = sizeof(struct qla2xxx_mq_chain);
1276                 /* Allocate memory for Fibre Channel Event Buffer. */
1277                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1278                         goto try_eft;
1279
1280                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1281                     GFP_KERNEL);
1282                 if (!tc) {
1283                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1284                             "(%d KB) for FCE.\n", FCE_SIZE / 1024);
1285                         goto try_eft;
1286                 }
1287
1288                 memset(tc, 0, FCE_SIZE);
1289                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1290                     ha->fce_mb, &ha->fce_bufs);
1291                 if (rval) {
1292                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1293                             "FCE (%d).\n", rval);
1294                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1295                             tc_dma);
1296                         ha->flags.fce_enabled = 0;
1297                         goto try_eft;
1298                 }
1299
1300                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1301                     FCE_SIZE / 1024);
1302
1303                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1304                 ha->flags.fce_enabled = 1;
1305                 ha->fce_dma = tc_dma;
1306                 ha->fce = tc;
1307 try_eft:
1308                 /* Allocate memory for Extended Trace Buffer. */
1309                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1310                     GFP_KERNEL);
1311                 if (!tc) {
1312                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1313                             "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1314                         goto cont_alloc;
1315                 }
1316
1317                 memset(tc, 0, EFT_SIZE);
1318                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1319                 if (rval) {
1320                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1321                             "EFT (%d).\n", rval);
1322                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1323                             tc_dma);
1324                         goto cont_alloc;
1325                 }
1326
1327                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1328                     EFT_SIZE / 1024);
1329
1330                 eft_size = EFT_SIZE;
1331                 ha->eft_dma = tc_dma;
1332                 ha->eft = tc;
1333         }
1334 cont_alloc:
1335         req_q_size = req->length * sizeof(request_t);
1336         rsp_q_size = rsp->length * sizeof(response_t);
1337
1338         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1339         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1340         ha->chain_offset = dump_size;
1341         dump_size += mq_size + fce_size;
1342
1343         ha->fw_dump = vmalloc(dump_size);
1344         if (!ha->fw_dump) {
1345                 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1346                     "firmware dump!!!\n", dump_size / 1024);
1347
1348                 if (ha->fce) {
1349                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1350                             ha->fce_dma);
1351                         ha->fce = NULL;
1352                         ha->fce_dma = 0;
1353                 }
1354
1355                 if (ha->eft) {
1356                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1357                             ha->eft_dma);
1358                         ha->eft = NULL;
1359                         ha->eft_dma = 0;
1360                 }
1361                 return;
1362         }
1363         qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1364             dump_size / 1024);
1365
1366         ha->fw_dump_len = dump_size;
1367         ha->fw_dump->signature[0] = 'Q';
1368         ha->fw_dump->signature[1] = 'L';
1369         ha->fw_dump->signature[2] = 'G';
1370         ha->fw_dump->signature[3] = 'C';
1371         ha->fw_dump->version = __constant_htonl(1);
1372
1373         ha->fw_dump->fixed_size = htonl(fixed_size);
1374         ha->fw_dump->mem_size = htonl(mem_size);
1375         ha->fw_dump->req_q_size = htonl(req_q_size);
1376         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1377
1378         ha->fw_dump->eft_size = htonl(eft_size);
1379         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1380         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1381
1382         ha->fw_dump->header_size =
1383             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1384 }
1385
1386 static int
1387 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1388 {
1389 #define MPS_MASK        0xe0
1390         int rval;
1391         uint16_t dc;
1392         uint32_t dw;
1393         struct qla_hw_data *ha = vha->hw;
1394
1395         if (!IS_QLA81XX(vha->hw))
1396                 return QLA_SUCCESS;
1397
1398         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1399         if (rval != QLA_SUCCESS) {
1400                 DEBUG2(qla_printk(KERN_WARNING, ha,
1401                     "Sync-MPI: Unable to acquire semaphore.\n"));
1402                 goto done;
1403         }
1404
1405         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1406         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1407         if (rval != QLA_SUCCESS) {
1408                 DEBUG2(qla_printk(KERN_WARNING, ha,
1409                     "Sync-MPI: Unable to read sync.\n"));
1410                 goto done_release;
1411         }
1412
1413         dc &= MPS_MASK;
1414         if (dc == (dw & MPS_MASK))
1415                 goto done_release;
1416
1417         dw &= ~MPS_MASK;
1418         dw |= dc;
1419         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1420         if (rval != QLA_SUCCESS) {
1421                 DEBUG2(qla_printk(KERN_WARNING, ha,
1422                     "Sync-MPI: Unable to gain sync.\n"));
1423         }
1424
1425 done_release:
1426         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1427         if (rval != QLA_SUCCESS) {
1428                 DEBUG2(qla_printk(KERN_WARNING, ha,
1429                     "Sync-MPI: Unable to release semaphore.\n"));
1430         }
1431
1432 done:
1433         return rval;
1434 }
1435
1436 /**
1437  * qla2x00_setup_chip() - Load and start RISC firmware.
1438  * @ha: HA context
1439  *
1440  * Returns 0 on success.
1441  */
1442 static int
1443 qla2x00_setup_chip(scsi_qla_host_t *vha)
1444 {
1445         int rval;
1446         uint32_t srisc_address = 0;
1447         struct qla_hw_data *ha = vha->hw;
1448         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1449         unsigned long flags;
1450         uint16_t fw_major_version;
1451
1452         if (IS_QLA82XX(ha)) {
1453                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1454                 if (rval == QLA_SUCCESS) {
1455                         qla2x00_stop_firmware(vha);
1456                         goto enable_82xx_npiv;
1457                 } else
1458                         goto failed;
1459         }
1460
1461         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1462                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1463                 spin_lock_irqsave(&ha->hardware_lock, flags);
1464                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1465                 RD_REG_WORD(&reg->hccr);
1466                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1467         }
1468
1469         qla81xx_mpi_sync(vha);
1470
1471         /* Load firmware sequences */
1472         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1473         if (rval == QLA_SUCCESS) {
1474                 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1475                     "code.\n", vha->host_no));
1476
1477                 rval = qla2x00_verify_checksum(vha, srisc_address);
1478                 if (rval == QLA_SUCCESS) {
1479                         /* Start firmware execution. */
1480                         DEBUG(printk("scsi(%ld): Checksum OK, start "
1481                             "firmware.\n", vha->host_no));
1482
1483                         rval = qla2x00_execute_fw(vha, srisc_address);
1484                         /* Retrieve firmware information. */
1485                         if (rval == QLA_SUCCESS) {
1486 enable_82xx_npiv:
1487                                 fw_major_version = ha->fw_major_version;
1488                                 rval = qla2x00_get_fw_version(vha,
1489                                     &ha->fw_major_version,
1490                                     &ha->fw_minor_version,
1491                                     &ha->fw_subminor_version,
1492                                     &ha->fw_attributes, &ha->fw_memory_size,
1493                                     ha->mpi_version, &ha->mpi_capabilities,
1494                                     ha->phy_version);
1495                                 if (rval != QLA_SUCCESS)
1496                                         goto failed;
1497                                 ha->flags.npiv_supported = 0;
1498                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1499                                          (ha->fw_attributes & BIT_2)) {
1500                                         ha->flags.npiv_supported = 1;
1501                                         if ((!ha->max_npiv_vports) ||
1502                                             ((ha->max_npiv_vports + 1) %
1503                                             MIN_MULTI_ID_FABRIC))
1504                                                 ha->max_npiv_vports =
1505                                                     MIN_MULTI_ID_FABRIC - 1;
1506                                 }
1507                                 qla2x00_get_resource_cnts(vha, NULL,
1508                                     &ha->fw_xcb_count, NULL, NULL,
1509                                     &ha->max_npiv_vports, NULL);
1510
1511                                 if (!fw_major_version && ql2xallocfwdump) {
1512                                         if (!IS_QLA82XX(ha))
1513                                                 qla2x00_alloc_fw_dump(vha);
1514                                 }
1515                         }
1516                 } else {
1517                         DEBUG2(printk(KERN_INFO
1518                             "scsi(%ld): ISP Firmware failed checksum.\n",
1519                             vha->host_no));
1520                 }
1521         }
1522
1523         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1524                 /* Enable proper parity. */
1525                 spin_lock_irqsave(&ha->hardware_lock, flags);
1526                 if (IS_QLA2300(ha))
1527                         /* SRAM parity */
1528                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1529                 else
1530                         /* SRAM, Instruction RAM and GP RAM parity */
1531                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1532                 RD_REG_WORD(&reg->hccr);
1533                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1534         }
1535
1536         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1537                 uint32_t size;
1538
1539                 rval = qla81xx_fac_get_sector_size(vha, &size);
1540                 if (rval == QLA_SUCCESS) {
1541                         ha->flags.fac_supported = 1;
1542                         ha->fdt_block_size = size << 2;
1543                 } else {
1544                         qla_printk(KERN_ERR, ha,
1545                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1546                             ha->fw_major_version, ha->fw_minor_version,
1547                             ha->fw_subminor_version);
1548                 }
1549         }
1550 failed:
1551         if (rval) {
1552                 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1553                     vha->host_no));
1554         }
1555
1556         return (rval);
1557 }
1558
1559 /**
1560  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1561  * @ha: HA context
1562  *
1563  * Beginning of request ring has initialization control block already built
1564  * by nvram config routine.
1565  *
1566  * Returns 0 on success.
1567  */
1568 void
1569 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1570 {
1571         uint16_t cnt;
1572         response_t *pkt;
1573
1574         rsp->ring_ptr = rsp->ring;
1575         rsp->ring_index    = 0;
1576         rsp->status_srb = NULL;
1577         pkt = rsp->ring_ptr;
1578         for (cnt = 0; cnt < rsp->length; cnt++) {
1579                 pkt->signature = RESPONSE_PROCESSED;
1580                 pkt++;
1581         }
1582 }
1583
1584 /**
1585  * qla2x00_update_fw_options() - Read and process firmware options.
1586  * @ha: HA context
1587  *
1588  * Returns 0 on success.
1589  */
1590 void
1591 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1592 {
1593         uint16_t swing, emphasis, tx_sens, rx_sens;
1594         struct qla_hw_data *ha = vha->hw;
1595
1596         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1597         qla2x00_get_fw_options(vha, ha->fw_options);
1598
1599         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1600                 return;
1601
1602         /* Serial Link options. */
1603         DEBUG3(printk("scsi(%ld): Serial link options:\n",
1604             vha->host_no));
1605         DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1606             sizeof(ha->fw_seriallink_options)));
1607
1608         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1609         if (ha->fw_seriallink_options[3] & BIT_2) {
1610                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1611
1612                 /*  1G settings */
1613                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1614                 emphasis = (ha->fw_seriallink_options[2] &
1615                     (BIT_4 | BIT_3)) >> 3;
1616                 tx_sens = ha->fw_seriallink_options[0] &
1617                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1618                 rx_sens = (ha->fw_seriallink_options[0] &
1619                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1620                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1621                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1622                         if (rx_sens == 0x0)
1623                                 rx_sens = 0x3;
1624                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1625                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1626                         ha->fw_options[10] |= BIT_5 |
1627                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1628                             (tx_sens & (BIT_1 | BIT_0));
1629
1630                 /*  2G settings */
1631                 swing = (ha->fw_seriallink_options[2] &
1632                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1633                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1634                 tx_sens = ha->fw_seriallink_options[1] &
1635                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1636                 rx_sens = (ha->fw_seriallink_options[1] &
1637                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1638                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1639                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1640                         if (rx_sens == 0x0)
1641                                 rx_sens = 0x3;
1642                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1643                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1644                         ha->fw_options[11] |= BIT_5 |
1645                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1646                             (tx_sens & (BIT_1 | BIT_0));
1647         }
1648
1649         /* FCP2 options. */
1650         /*  Return command IOCBs without waiting for an ABTS to complete. */
1651         ha->fw_options[3] |= BIT_13;
1652
1653         /* LED scheme. */
1654         if (ha->flags.enable_led_scheme)
1655                 ha->fw_options[2] |= BIT_12;
1656
1657         /* Detect ISP6312. */
1658         if (IS_QLA6312(ha))
1659                 ha->fw_options[2] |= BIT_13;
1660
1661         /* Update firmware options. */
1662         qla2x00_set_fw_options(vha, ha->fw_options);
1663 }
1664
1665 void
1666 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1667 {
1668         int rval;
1669         struct qla_hw_data *ha = vha->hw;
1670
1671         if (IS_QLA82XX(ha))
1672                 return;
1673
1674         /* Update Serial Link options. */
1675         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1676                 return;
1677
1678         rval = qla2x00_set_serdes_params(vha,
1679             le16_to_cpu(ha->fw_seriallink_options24[1]),
1680             le16_to_cpu(ha->fw_seriallink_options24[2]),
1681             le16_to_cpu(ha->fw_seriallink_options24[3]));
1682         if (rval != QLA_SUCCESS) {
1683                 qla_printk(KERN_WARNING, ha,
1684                     "Unable to update Serial Link options (%x).\n", rval);
1685         }
1686 }
1687
1688 void
1689 qla2x00_config_rings(struct scsi_qla_host *vha)
1690 {
1691         struct qla_hw_data *ha = vha->hw;
1692         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1693         struct req_que *req = ha->req_q_map[0];
1694         struct rsp_que *rsp = ha->rsp_q_map[0];
1695
1696         /* Setup ring parameters in initialization control block. */
1697         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1698         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1699         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1700         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1701         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1702         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1703         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1704         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1705
1706         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1707         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1708         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1709         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1710         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1711 }
1712
1713 void
1714 qla24xx_config_rings(struct scsi_qla_host *vha)
1715 {
1716         struct qla_hw_data *ha = vha->hw;
1717         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1718         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1719         struct qla_msix_entry *msix;
1720         struct init_cb_24xx *icb;
1721         uint16_t rid = 0;
1722         struct req_que *req = ha->req_q_map[0];
1723         struct rsp_que *rsp = ha->rsp_q_map[0];
1724
1725 /* Setup ring parameters in initialization control block. */
1726         icb = (struct init_cb_24xx *)ha->init_cb;
1727         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1728         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1729         icb->request_q_length = cpu_to_le16(req->length);
1730         icb->response_q_length = cpu_to_le16(rsp->length);
1731         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1732         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1733         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1734         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1735
1736         if (ha->mqenable) {
1737                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1738                 icb->rid = __constant_cpu_to_le16(rid);
1739                 if (ha->flags.msix_enabled) {
1740                         msix = &ha->msix_entries[1];
1741                         DEBUG2_17(printk(KERN_INFO
1742                         "Registering vector 0x%x for base que\n", msix->entry));
1743                         icb->msix = cpu_to_le16(msix->entry);
1744                 }
1745                 /* Use alternate PCI bus number */
1746                 if (MSB(rid))
1747                         icb->firmware_options_2 |=
1748                                 __constant_cpu_to_le32(BIT_19);
1749                 /* Use alternate PCI devfn */
1750                 if (LSB(rid))
1751                         icb->firmware_options_2 |=
1752                                 __constant_cpu_to_le32(BIT_18);
1753
1754                 /* Use Disable MSIX Handshake mode for capable adapters */
1755                 if (IS_MSIX_NACK_CAPABLE(ha)) {
1756                         icb->firmware_options_2 &=
1757                                 __constant_cpu_to_le32(~BIT_22);
1758                         ha->flags.disable_msix_handshake = 1;
1759                         qla_printk(KERN_INFO, ha,
1760                                 "MSIX Handshake Disable Mode turned on\n");
1761                 } else {
1762                         icb->firmware_options_2 |=
1763                                 __constant_cpu_to_le32(BIT_22);
1764                 }
1765                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1766
1767                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1768                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1769                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1770                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1771         } else {
1772                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1773                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1774                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1775                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1776         }
1777         /* PCI posting */
1778         RD_REG_DWORD(&ioreg->hccr);
1779 }
1780
1781 /**
1782  * qla2x00_init_rings() - Initializes firmware.
1783  * @ha: HA context
1784  *
1785  * Beginning of request ring has initialization control block already built
1786  * by nvram config routine.
1787  *
1788  * Returns 0 on success.
1789  */
1790 static int
1791 qla2x00_init_rings(scsi_qla_host_t *vha)
1792 {
1793         int     rval;
1794         unsigned long flags = 0;
1795         int cnt, que;
1796         struct qla_hw_data *ha = vha->hw;
1797         struct req_que *req;
1798         struct rsp_que *rsp;
1799         struct scsi_qla_host *vp;
1800         struct mid_init_cb_24xx *mid_init_cb =
1801             (struct mid_init_cb_24xx *) ha->init_cb;
1802
1803         spin_lock_irqsave(&ha->hardware_lock, flags);
1804
1805         /* Clear outstanding commands array. */
1806         for (que = 0; que < ha->max_req_queues; que++) {
1807                 req = ha->req_q_map[que];
1808                 if (!req)
1809                         continue;
1810                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1811                         req->outstanding_cmds[cnt] = NULL;
1812
1813                 req->current_outstanding_cmd = 1;
1814
1815                 /* Initialize firmware. */
1816                 req->ring_ptr  = req->ring;
1817                 req->ring_index    = 0;
1818                 req->cnt      = req->length;
1819         }
1820
1821         for (que = 0; que < ha->max_rsp_queues; que++) {
1822                 rsp = ha->rsp_q_map[que];
1823                 if (!rsp)
1824                         continue;
1825                 /* Initialize response queue entries */
1826                 qla2x00_init_response_q_entries(rsp);
1827         }
1828
1829         spin_lock(&ha->vport_slock);
1830         /* Clear RSCN queue. */
1831         list_for_each_entry(vp, &ha->vp_list, list) {
1832                 vp->rscn_in_ptr = 0;
1833                 vp->rscn_out_ptr = 0;
1834         }
1835
1836         spin_unlock(&ha->vport_slock);
1837
1838         ha->isp_ops->config_rings(vha);
1839
1840         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1841
1842         /* Update any ISP specific firmware options before initialization. */
1843         ha->isp_ops->update_fw_options(vha);
1844
1845         DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1846
1847         if (ha->flags.npiv_supported) {
1848                 if (ha->operating_mode == LOOP)
1849                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1850                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1851         }
1852
1853         if (IS_FWI2_CAPABLE(ha)) {
1854                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1855                 mid_init_cb->init_cb.execution_throttle =
1856                     cpu_to_le16(ha->fw_xcb_count);
1857         }
1858
1859         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1860         if (rval) {
1861                 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1862                     vha->host_no));
1863         } else {
1864                 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1865                     vha->host_no));
1866         }
1867
1868         return (rval);
1869 }
1870
1871 /**
1872  * qla2x00_fw_ready() - Waits for firmware ready.
1873  * @ha: HA context
1874  *
1875  * Returns 0 on success.
1876  */
1877 static int
1878 qla2x00_fw_ready(scsi_qla_host_t *vha)
1879 {
1880         int             rval;
1881         unsigned long   wtime, mtime, cs84xx_time;
1882         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1883         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1884         uint16_t        state[5];
1885         struct qla_hw_data *ha = vha->hw;
1886
1887         rval = QLA_SUCCESS;
1888
1889         /* 20 seconds for loop down. */
1890         min_wait = 20;
1891
1892         /*
1893          * Firmware should take at most one RATOV to login, plus 5 seconds for
1894          * our own processing.
1895          */
1896         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1897                 wait_time = min_wait;
1898         }
1899
1900         /* Min wait time if loop down */
1901         mtime = jiffies + (min_wait * HZ);
1902
1903         /* wait time before firmware ready */
1904         wtime = jiffies + (wait_time * HZ);
1905
1906         /* Wait for ISP to finish LIP */
1907         if (!vha->flags.init_done)
1908                 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1909
1910         DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1911             vha->host_no));
1912
1913         do {
1914                 rval = qla2x00_get_firmware_state(vha, state);
1915                 if (rval == QLA_SUCCESS) {
1916                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1917                                 vha->device_flags &= ~DFLG_NO_CABLE;
1918                         }
1919                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1920                                 DEBUG16(printk("scsi(%ld): fw_state=%x "
1921                                     "84xx=%x.\n", vha->host_no, state[0],
1922                                     state[2]));
1923                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1924                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1925                                         DEBUG16(printk("scsi(%ld): Sending "
1926                                             "verify iocb.\n", vha->host_no));
1927
1928                                         cs84xx_time = jiffies;
1929                                         rval = qla84xx_init_chip(vha);
1930                                         if (rval != QLA_SUCCESS)
1931                                                 break;
1932
1933                                         /* Add time taken to initialize. */
1934                                         cs84xx_time = jiffies - cs84xx_time;
1935                                         wtime += cs84xx_time;
1936                                         mtime += cs84xx_time;
1937                                         DEBUG16(printk("scsi(%ld): Increasing "
1938                                             "wait time by %ld. New time %ld\n",
1939                                             vha->host_no, cs84xx_time, wtime));
1940                                 }
1941                         } else if (state[0] == FSTATE_READY) {
1942                                 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1943                                     vha->host_no));
1944
1945                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1946                                     &ha->login_timeout, &ha->r_a_tov);
1947
1948                                 rval = QLA_SUCCESS;
1949                                 break;
1950                         }
1951
1952                         rval = QLA_FUNCTION_FAILED;
1953
1954                         if (atomic_read(&vha->loop_down_timer) &&
1955                             state[0] != FSTATE_READY) {
1956                                 /* Loop down. Timeout on min_wait for states
1957                                  * other than Wait for Login.
1958                                  */
1959                                 if (time_after_eq(jiffies, mtime)) {
1960                                         qla_printk(KERN_INFO, ha,
1961                                             "Cable is unplugged...\n");
1962
1963                                         vha->device_flags |= DFLG_NO_CABLE;
1964                                         break;
1965                                 }
1966                         }
1967                 } else {
1968                         /* Mailbox cmd failed. Timeout on min_wait. */
1969                         if (time_after_eq(jiffies, mtime) ||
1970                                 ha->flags.isp82xx_fw_hung)
1971                                 break;
1972                 }
1973
1974                 if (time_after_eq(jiffies, wtime))
1975                         break;
1976
1977                 /* Delay for a while */
1978                 msleep(500);
1979
1980                 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1981                     vha->host_no, state[0], jiffies));
1982         } while (1);
1983
1984         DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1985             vha->host_no, state[0], state[1], state[2], state[3], state[4],
1986             jiffies));
1987
1988         if (rval) {
1989                 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1990                     vha->host_no));
1991         }
1992
1993         return (rval);
1994 }
1995
1996 /*
1997 *  qla2x00_configure_hba
1998 *      Setup adapter context.
1999 *
2000 * Input:
2001 *      ha = adapter state pointer.
2002 *
2003 * Returns:
2004 *      0 = success
2005 *
2006 * Context:
2007 *      Kernel context.
2008 */
2009 static int
2010 qla2x00_configure_hba(scsi_qla_host_t *vha)
2011 {
2012         int       rval;
2013         uint16_t      loop_id;
2014         uint16_t      topo;
2015         uint16_t      sw_cap;
2016         uint8_t       al_pa;
2017         uint8_t       area;
2018         uint8_t       domain;
2019         char            connect_type[22];
2020         struct qla_hw_data *ha = vha->hw;
2021
2022         /* Get host addresses. */
2023         rval = qla2x00_get_adapter_id(vha,
2024             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2025         if (rval != QLA_SUCCESS) {
2026                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2027                     IS_QLA8XXX_TYPE(ha) ||
2028                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2029                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
2030                             __func__, vha->host_no));
2031                 } else {
2032                         qla_printk(KERN_WARNING, ha,
2033                             "ERROR -- Unable to get host loop ID.\n");
2034                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2035                 }
2036                 return (rval);
2037         }
2038
2039         if (topo == 4) {
2040                 qla_printk(KERN_INFO, ha,
2041                         "Cannot get topology - retrying.\n");
2042                 return (QLA_FUNCTION_FAILED);
2043         }
2044
2045         vha->loop_id = loop_id;
2046
2047         /* initialize */
2048         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2049         ha->operating_mode = LOOP;
2050         ha->switch_cap = 0;
2051
2052         switch (topo) {
2053         case 0:
2054                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
2055                     vha->host_no));
2056                 ha->current_topology = ISP_CFG_NL;
2057                 strcpy(connect_type, "(Loop)");
2058                 break;
2059
2060         case 1:
2061                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
2062                     vha->host_no));
2063                 ha->switch_cap = sw_cap;
2064                 ha->current_topology = ISP_CFG_FL;
2065                 strcpy(connect_type, "(FL_Port)");
2066                 break;
2067
2068         case 2:
2069                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
2070                     vha->host_no));
2071                 ha->operating_mode = P2P;
2072                 ha->current_topology = ISP_CFG_N;
2073                 strcpy(connect_type, "(N_Port-to-N_Port)");
2074                 break;
2075
2076         case 3:
2077                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
2078                     vha->host_no));
2079                 ha->switch_cap = sw_cap;
2080                 ha->operating_mode = P2P;
2081                 ha->current_topology = ISP_CFG_F;
2082                 strcpy(connect_type, "(F_Port)");
2083                 break;
2084
2085         default:
2086                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
2087                     "Using NL.\n",
2088                     vha->host_no, topo));
2089                 ha->current_topology = ISP_CFG_NL;
2090                 strcpy(connect_type, "(Loop)");
2091                 break;
2092         }
2093
2094         /* Save Host port and loop ID. */
2095         /* byte order - Big Endian */
2096         vha->d_id.b.domain = domain;
2097         vha->d_id.b.area = area;
2098         vha->d_id.b.al_pa = al_pa;
2099
2100         if (!vha->flags.init_done)
2101                 qla_printk(KERN_INFO, ha,
2102                     "Topology - %s, Host Loop address 0x%x\n",
2103                     connect_type, vha->loop_id);
2104
2105         if (rval) {
2106                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
2107         } else {
2108                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
2109         }
2110
2111         return(rval);
2112 }
2113
2114 inline void
2115 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2116         char *def)
2117 {
2118         char *st, *en;
2119         uint16_t index;
2120         struct qla_hw_data *ha = vha->hw;
2121         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2122             !IS_QLA8XXX_TYPE(ha);
2123
2124         if (memcmp(model, BINZERO, len) != 0) {
2125                 strncpy(ha->model_number, model, len);
2126                 st = en = ha->model_number;
2127                 en += len - 1;
2128                 while (en > st) {
2129                         if (*en != 0x20 && *en != 0x00)
2130                                 break;
2131                         *en-- = '\0';
2132                 }
2133
2134                 index = (ha->pdev->subsystem_device & 0xff);
2135                 if (use_tbl &&
2136                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2137                     index < QLA_MODEL_NAMES)
2138                         strncpy(ha->model_desc,
2139                             qla2x00_model_name[index * 2 + 1],
2140                             sizeof(ha->model_desc) - 1);
2141         } else {
2142                 index = (ha->pdev->subsystem_device & 0xff);
2143                 if (use_tbl &&
2144                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2145                     index < QLA_MODEL_NAMES) {
2146                         strcpy(ha->model_number,
2147                             qla2x00_model_name[index * 2]);
2148                         strncpy(ha->model_desc,
2149                             qla2x00_model_name[index * 2 + 1],
2150                             sizeof(ha->model_desc) - 1);
2151                 } else {
2152                         strcpy(ha->model_number, def);
2153                 }
2154         }
2155         if (IS_FWI2_CAPABLE(ha))
2156                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2157                     sizeof(ha->model_desc));
2158 }
2159
2160 /* On sparc systems, obtain port and node WWN from firmware
2161  * properties.
2162  */
2163 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2164 {
2165 #ifdef CONFIG_SPARC
2166         struct qla_hw_data *ha = vha->hw;
2167         struct pci_dev *pdev = ha->pdev;
2168         struct device_node *dp = pci_device_to_OF_node(pdev);
2169         const u8 *val;
2170         int len;
2171
2172         val = of_get_property(dp, "port-wwn", &len);
2173         if (val && len >= WWN_SIZE)
2174                 memcpy(nv->port_name, val, WWN_SIZE);
2175
2176         val = of_get_property(dp, "node-wwn", &len);
2177         if (val && len >= WWN_SIZE)
2178                 memcpy(nv->node_name, val, WWN_SIZE);
2179 #endif
2180 }
2181
2182 /*
2183 * NVRAM configuration for ISP 2xxx
2184 *
2185 * Input:
2186 *      ha                = adapter block pointer.
2187 *
2188 * Output:
2189 *      initialization control block in response_ring
2190 *      host adapters parameters in host adapter block
2191 *
2192 * Returns:
2193 *      0 = success.
2194 */
2195 int
2196 qla2x00_nvram_config(scsi_qla_host_t *vha)
2197 {
2198         int             rval;
2199         uint8_t         chksum = 0;
2200         uint16_t        cnt;
2201         uint8_t         *dptr1, *dptr2;
2202         struct qla_hw_data *ha = vha->hw;
2203         init_cb_t       *icb = ha->init_cb;
2204         nvram_t         *nv = ha->nvram;
2205         uint8_t         *ptr = ha->nvram;
2206         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2207
2208         rval = QLA_SUCCESS;
2209
2210         /* Determine NVRAM starting address. */
2211         ha->nvram_size = sizeof(nvram_t);
2212         ha->nvram_base = 0;
2213         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2214                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2215                         ha->nvram_base = 0x80;
2216
2217         /* Get NVRAM data and calculate checksum. */
2218         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2219         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2220                 chksum += *ptr++;
2221
2222         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
2223         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
2224
2225         /* Bad NVRAM data, set defaults parameters. */
2226         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2227             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2228                 /* Reset NVRAM data. */
2229                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
2230                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
2231                     nv->nvram_version);
2232                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
2233                     "invalid -- WWPN) defaults.\n");
2234
2235                 /*
2236                  * Set default initialization control block.
2237                  */
2238                 memset(nv, 0, ha->nvram_size);
2239                 nv->parameter_block_version = ICB_VERSION;
2240
2241                 if (IS_QLA23XX(ha)) {
2242                         nv->firmware_options[0] = BIT_2 | BIT_1;
2243                         nv->firmware_options[1] = BIT_7 | BIT_5;
2244                         nv->add_firmware_options[0] = BIT_5;
2245                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2246                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2247                         nv->special_options[1] = BIT_7;
2248                 } else if (IS_QLA2200(ha)) {
2249                         nv->firmware_options[0] = BIT_2 | BIT_1;
2250                         nv->firmware_options[1] = BIT_7 | BIT_5;
2251                         nv->add_firmware_options[0] = BIT_5;
2252                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2253                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2254                 } else if (IS_QLA2100(ha)) {
2255                         nv->firmware_options[0] = BIT_3 | BIT_1;
2256                         nv->firmware_options[1] = BIT_5;
2257                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2258                 }
2259
2260                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2261                 nv->execution_throttle = __constant_cpu_to_le16(16);
2262                 nv->retry_count = 8;
2263                 nv->retry_delay = 1;
2264
2265                 nv->port_name[0] = 33;
2266                 nv->port_name[3] = 224;
2267                 nv->port_name[4] = 139;
2268
2269                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2270
2271                 nv->login_timeout = 4;
2272
2273                 /*
2274                  * Set default host adapter parameters
2275                  */
2276                 nv->host_p[1] = BIT_2;
2277                 nv->reset_delay = 5;
2278                 nv->port_down_retry_count = 8;
2279                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2280                 nv->link_down_timeout = 60;
2281
2282                 rval = 1;
2283         }
2284
2285 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2286         /*
2287          * The SN2 does not provide BIOS emulation which means you can't change
2288          * potentially bogus BIOS settings. Force the use of default settings
2289          * for link rate and frame size.  Hope that the rest of the settings
2290          * are valid.
2291          */
2292         if (ia64_platform_is("sn2")) {
2293                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2294                 if (IS_QLA23XX(ha))
2295                         nv->special_options[1] = BIT_7;
2296         }
2297 #endif
2298
2299         /* Reset Initialization control block */
2300         memset(icb, 0, ha->init_cb_size);
2301
2302         /*
2303          * Setup driver NVRAM options.
2304          */
2305         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2306         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2307         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2308         nv->firmware_options[1] &= ~BIT_4;
2309
2310         if (IS_QLA23XX(ha)) {
2311                 nv->firmware_options[0] |= BIT_2;
2312                 nv->firmware_options[0] &= ~BIT_3;
2313                 nv->firmware_options[0] &= ~BIT_6;
2314                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2315
2316                 if (IS_QLA2300(ha)) {
2317                         if (ha->fb_rev == FPM_2310) {
2318                                 strcpy(ha->model_number, "QLA2310");
2319                         } else {
2320                                 strcpy(ha->model_number, "QLA2300");
2321                         }
2322                 } else {
2323                         qla2x00_set_model_info(vha, nv->model_number,
2324                             sizeof(nv->model_number), "QLA23xx");
2325                 }
2326         } else if (IS_QLA2200(ha)) {
2327                 nv->firmware_options[0] |= BIT_2;
2328                 /*
2329                  * 'Point-to-point preferred, else loop' is not a safe
2330                  * connection mode setting.
2331                  */
2332                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2333                     (BIT_5 | BIT_4)) {
2334                         /* Force 'loop preferred, else point-to-point'. */
2335                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2336                         nv->add_firmware_options[0] |= BIT_5;
2337                 }
2338                 strcpy(ha->model_number, "QLA22xx");
2339         } else /*if (IS_QLA2100(ha))*/ {
2340                 strcpy(ha->model_number, "QLA2100");
2341         }
2342
2343         /*
2344          * Copy over NVRAM RISC parameter block to initialization control block.
2345          */
2346         dptr1 = (uint8_t *)icb;
2347         dptr2 = (uint8_t *)&nv->parameter_block_version;
2348         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2349         while (cnt--)
2350                 *dptr1++ = *dptr2++;
2351
2352         /* Copy 2nd half. */
2353         dptr1 = (uint8_t *)icb->add_firmware_options;
2354         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2355         while (cnt--)
2356                 *dptr1++ = *dptr2++;
2357
2358         /* Use alternate WWN? */
2359         if (nv->host_p[1] & BIT_7) {
2360                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2361                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2362         }
2363
2364         /* Prepare nodename */
2365         if ((icb->firmware_options[1] & BIT_6) == 0) {
2366                 /*
2367                  * Firmware will apply the following mask if the nodename was
2368                  * not provided.
2369                  */
2370                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2371                 icb->node_name[0] &= 0xF0;
2372         }
2373
2374         /*
2375          * Set host adapter parameters.
2376          */
2377         if (nv->host_p[0] & BIT_7)
2378                 ql2xextended_error_logging = 1;
2379         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2380         /* Always load RISC code on non ISP2[12]00 chips. */
2381         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2382                 ha->flags.disable_risc_code_load = 0;
2383         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2384         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2385         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2386         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2387         ha->flags.disable_serdes = 0;
2388
2389         ha->operating_mode =
2390             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2391
2392         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2393             sizeof(ha->fw_seriallink_options));
2394
2395         /* save HBA serial number */
2396         ha->serial0 = icb->port_name[5];
2397         ha->serial1 = icb->port_name[6];
2398         ha->serial2 = icb->port_name[7];
2399         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2400         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2401
2402         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2403
2404         ha->retry_count = nv->retry_count;
2405
2406         /* Set minimum login_timeout to 4 seconds. */
2407         if (nv->login_timeout != ql2xlogintimeout)
2408                 nv->login_timeout = ql2xlogintimeout;
2409         if (nv->login_timeout < 4)
2410                 nv->login_timeout = 4;
2411         ha->login_timeout = nv->login_timeout;
2412         icb->login_timeout = nv->login_timeout;
2413
2414         /* Set minimum RATOV to 100 tenths of a second. */
2415         ha->r_a_tov = 100;
2416
2417         ha->loop_reset_delay = nv->reset_delay;
2418
2419         /* Link Down Timeout = 0:
2420          *
2421          *      When Port Down timer expires we will start returning
2422          *      I/O's to OS with "DID_NO_CONNECT".
2423          *
2424          * Link Down Timeout != 0:
2425          *
2426          *       The driver waits for the link to come up after link down
2427          *       before returning I/Os to OS with "DID_NO_CONNECT".
2428          */
2429         if (nv->link_down_timeout == 0) {
2430                 ha->loop_down_abort_time =
2431                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2432         } else {
2433                 ha->link_down_timeout =  nv->link_down_timeout;
2434                 ha->loop_down_abort_time =
2435                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2436         }
2437
2438         /*
2439          * Need enough time to try and get the port back.
2440          */
2441         ha->port_down_retry_count = nv->port_down_retry_count;
2442         if (qlport_down_retry)
2443                 ha->port_down_retry_count = qlport_down_retry;
2444         /* Set login_retry_count */
2445         ha->login_retry_count  = nv->retry_count;
2446         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2447             ha->port_down_retry_count > 3)
2448                 ha->login_retry_count = ha->port_down_retry_count;
2449         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2450                 ha->login_retry_count = ha->port_down_retry_count;
2451         if (ql2xloginretrycount)
2452                 ha->login_retry_count = ql2xloginretrycount;
2453
2454         icb->lun_enables = __constant_cpu_to_le16(0);
2455         icb->command_resource_count = 0;
2456         icb->immediate_notify_resource_count = 0;
2457         icb->timeout = __constant_cpu_to_le16(0);
2458
2459         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2460                 /* Enable RIO */
2461                 icb->firmware_options[0] &= ~BIT_3;
2462                 icb->add_firmware_options[0] &=
2463                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2464                 icb->add_firmware_options[0] |= BIT_2;
2465                 icb->response_accumulation_timer = 3;
2466                 icb->interrupt_delay_timer = 5;
2467
2468                 vha->flags.process_response_queue = 1;
2469         } else {
2470                 /* Enable ZIO. */
2471                 if (!vha->flags.init_done) {
2472                         ha->zio_mode = icb->add_firmware_options[0] &
2473                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2474                         ha->zio_timer = icb->interrupt_delay_timer ?
2475                             icb->interrupt_delay_timer: 2;
2476                 }
2477                 icb->add_firmware_options[0] &=
2478                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2479                 vha->flags.process_response_queue = 0;
2480                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2481                         ha->zio_mode = QLA_ZIO_MODE_6;
2482
2483                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2484                             "delay (%d us).\n", vha->host_no, ha->zio_mode,
2485                             ha->zio_timer * 100));
2486                         qla_printk(KERN_INFO, ha,
2487                             "ZIO mode %d enabled; timer delay (%d us).\n",
2488                             ha->zio_mode, ha->zio_timer * 100);
2489
2490                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2491                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2492                         vha->flags.process_response_queue = 1;
2493                 }
2494         }
2495
2496         if (rval) {
2497                 DEBUG2_3(printk(KERN_WARNING
2498                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2499         }
2500         return (rval);
2501 }
2502
2503 static void
2504 qla2x00_rport_del(void *data)
2505 {
2506         fc_port_t *fcport = data;
2507         struct fc_rport *rport;
2508         unsigned long flags;
2509
2510         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2511         rport = fcport->drport ? fcport->drport: fcport->rport;
2512         fcport->drport = NULL;
2513         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2514         if (rport)
2515                 fc_remote_port_delete(rport);
2516 }
2517
2518 /**
2519  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2520  * @ha: HA context
2521  * @flags: allocation flags
2522  *
2523  * Returns a pointer to the allocated fcport, or NULL, if none available.
2524  */
2525 fc_port_t *
2526 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2527 {
2528         fc_port_t *fcport;
2529
2530         fcport = kzalloc(sizeof(fc_port_t), flags);
2531         if (!fcport)
2532                 return NULL;
2533
2534         /* Setup fcport template structure. */
2535         fcport->vha = vha;
2536         fcport->vp_idx = vha->vp_idx;
2537         fcport->port_type = FCT_UNKNOWN;
2538         fcport->loop_id = FC_NO_LOOP_ID;
2539         atomic_set(&fcport->state, FCS_UNCONFIGURED);
2540         fcport->supported_classes = FC_COS_UNSPECIFIED;
2541
2542         return fcport;
2543 }
2544
2545 /*
2546  * qla2x00_configure_loop
2547  *      Updates Fibre Channel Device Database with what is actually on loop.
2548  *
2549  * Input:
2550  *      ha                = adapter block pointer.
2551  *
2552  * Returns:
2553  *      0 = success.
2554  *      1 = error.
2555  *      2 = database was full and device was not configured.
2556  */
2557 static int
2558 qla2x00_configure_loop(scsi_qla_host_t *vha)
2559 {
2560         int  rval;
2561         unsigned long flags, save_flags;
2562         struct qla_hw_data *ha = vha->hw;
2563         rval = QLA_SUCCESS;
2564
2565         /* Get Initiator ID */
2566         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2567                 rval = qla2x00_configure_hba(vha);
2568                 if (rval != QLA_SUCCESS) {
2569                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2570                             vha->host_no));
2571                         return (rval);
2572                 }
2573         }
2574
2575         save_flags = flags = vha->dpc_flags;
2576         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2577             vha->host_no, flags));
2578
2579         /*
2580          * If we have both an RSCN and PORT UPDATE pending then handle them
2581          * both at the same time.
2582          */
2583         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2584         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2585
2586         qla2x00_get_data_rate(vha);
2587
2588         /* Determine what we need to do */
2589         if (ha->current_topology == ISP_CFG_FL &&
2590             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2591
2592                 vha->flags.rscn_queue_overflow = 1;
2593                 set_bit(RSCN_UPDATE, &flags);
2594
2595         } else if (ha->current_topology == ISP_CFG_F &&
2596             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2597
2598                 vha->flags.rscn_queue_overflow = 1;
2599                 set_bit(RSCN_UPDATE, &flags);
2600                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2601
2602         } else if (ha->current_topology == ISP_CFG_N) {
2603                 clear_bit(RSCN_UPDATE, &flags);
2604
2605         } else if (!vha->flags.online ||
2606             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2607
2608                 vha->flags.rscn_queue_overflow = 1;
2609                 set_bit(RSCN_UPDATE, &flags);
2610                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2611         }
2612
2613         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2614                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2615                         rval = QLA_FUNCTION_FAILED;
2616                 else
2617                         rval = qla2x00_configure_local_loop(vha);
2618         }
2619
2620         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2621                 if (LOOP_TRANSITION(vha))
2622                         rval = QLA_FUNCTION_FAILED;
2623                 else
2624                         rval = qla2x00_configure_fabric(vha);
2625         }
2626
2627         if (rval == QLA_SUCCESS) {
2628                 if (atomic_read(&vha->loop_down_timer) ||
2629                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2630                         rval = QLA_FUNCTION_FAILED;
2631                 } else {
2632                         atomic_set(&vha->loop_state, LOOP_READY);
2633
2634                         DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2635                 }
2636         }
2637
2638         if (rval) {
2639                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2640                     __func__, vha->host_no));
2641         } else {
2642                 DEBUG3(printk("%s: exiting normally\n", __func__));
2643         }
2644
2645         /* Restore state if a resync event occurred during processing */
2646         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2647                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2648                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2649                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2650                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2651                         if (!IS_ALOGIO_CAPABLE(ha))
2652                                 vha->flags.rscn_queue_overflow = 1;
2653                 }
2654         }
2655
2656         return (rval);
2657 }
2658
2659
2660
2661 /*
2662  * qla2x00_configure_local_loop
2663  *      Updates Fibre Channel Device Database with local loop devices.
2664  *
2665  * Input:
2666  *      ha = adapter block pointer.
2667  *
2668  * Returns:
2669  *      0 = success.
2670  */
2671 static int
2672 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2673 {
2674         int             rval, rval2;
2675         int             found_devs;
2676         int             found;
2677         fc_port_t       *fcport, *new_fcport;
2678
2679         uint16_t        index;
2680         uint16_t        entries;
2681         char            *id_iter;
2682         uint16_t        loop_id;
2683         uint8_t         domain, area, al_pa;
2684         struct qla_hw_data *ha = vha->hw;
2685
2686         found_devs = 0;
2687         new_fcport = NULL;
2688         entries = MAX_FIBRE_DEVICES;
2689
2690         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2691         DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2692
2693         /* Get list of logged in devices. */
2694         memset(ha->gid_list, 0, GID_LIST_SIZE);
2695         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2696             &entries);
2697         if (rval != QLA_SUCCESS)
2698                 goto cleanup_allocation;
2699
2700         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2701             vha->host_no, entries));
2702         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2703             entries * sizeof(struct gid_list_info)));
2704
2705         /* Allocate temporary fcport for any new fcports discovered. */
2706         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2707         if (new_fcport == NULL) {
2708                 rval = QLA_MEMORY_ALLOC_FAILED;
2709                 goto cleanup_allocation;
2710         }
2711         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2712
2713         /*
2714          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2715          */
2716         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2717                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2718                     fcport->port_type != FCT_BROADCAST &&
2719                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2720
2721                         DEBUG(printk("scsi(%ld): Marking port lost, "
2722                             "loop_id=0x%04x\n",
2723                             vha->host_no, fcport->loop_id));
2724
2725                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2726                 }
2727         }
2728
2729         /* Add devices to port list. */
2730         id_iter = (char *)ha->gid_list;
2731         for (index = 0; index < entries; index++) {
2732                 domain = ((struct gid_list_info *)id_iter)->domain;
2733                 area = ((struct gid_list_info *)id_iter)->area;
2734                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2735                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2736                         loop_id = (uint16_t)
2737                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2738                 else
2739                         loop_id = le16_to_cpu(
2740                             ((struct gid_list_info *)id_iter)->loop_id);
2741                 id_iter += ha->gid_list_info_size;
2742
2743                 /* Bypass reserved domain fields. */
2744                 if ((domain & 0xf0) == 0xf0)
2745                         continue;
2746
2747                 /* Bypass if not same domain and area of adapter. */
2748                 if (area && domain &&
2749                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2750                         continue;
2751
2752                 /* Bypass invalid local loop ID. */
2753                 if (loop_id > LAST_LOCAL_LOOP_ID)
2754                         continue;
2755
2756                 /* Fill in member data. */
2757                 new_fcport->d_id.b.domain = domain;
2758                 new_fcport->d_id.b.area = area;
2759                 new_fcport->d_id.b.al_pa = al_pa;
2760                 new_fcport->loop_id = loop_id;
2761                 new_fcport->vp_idx = vha->vp_idx;
2762                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2763                 if (rval2 != QLA_SUCCESS) {
2764                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2765                             "information -- get_port_database=%x, "
2766                             "loop_id=0x%04x\n",
2767                             vha->host_no, rval2, new_fcport->loop_id));
2768                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2769                             vha->host_no));
2770                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2771                         continue;
2772                 }
2773
2774                 /* Check for matching device in port list. */
2775                 found = 0;
2776                 fcport = NULL;
2777                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2778                         if (memcmp(new_fcport->port_name, fcport->port_name,
2779                             WWN_SIZE))
2780                                 continue;
2781
2782                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2783                         fcport->loop_id = new_fcport->loop_id;
2784                         fcport->port_type = new_fcport->port_type;
2785                         fcport->d_id.b24 = new_fcport->d_id.b24;
2786                         memcpy(fcport->node_name, new_fcport->node_name,
2787                             WWN_SIZE);
2788
2789                         found++;
2790                         break;
2791                 }
2792
2793                 if (!found) {
2794                         /* New device, add to fcports list. */
2795                         if (vha->vp_idx) {
2796                                 new_fcport->vha = vha;
2797                                 new_fcport->vp_idx = vha->vp_idx;
2798                         }
2799                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2800
2801                         /* Allocate a new replacement fcport. */
2802                         fcport = new_fcport;
2803                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2804                         if (new_fcport == NULL) {
2805                                 rval = QLA_MEMORY_ALLOC_FAILED;
2806                                 goto cleanup_allocation;
2807                         }
2808                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2809                 }
2810
2811                 /* Base iIDMA settings on HBA port speed. */
2812                 fcport->fp_speed = ha->link_data_rate;
2813
2814                 qla2x00_update_fcport(vha, fcport);
2815
2816                 found_devs++;
2817         }
2818
2819 cleanup_allocation:
2820         kfree(new_fcport);
2821
2822         if (rval != QLA_SUCCESS) {
2823                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2824                     "rval=%x\n", vha->host_no, rval));
2825         }
2826
2827         return (rval);
2828 }
2829
2830 static void
2831 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2832 {
2833 #define LS_UNKNOWN      2
2834         static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2835         char *link_speed;
2836         int rval;
2837         uint16_t mb[4];
2838         struct qla_hw_data *ha = vha->hw;
2839
2840         if (!IS_IIDMA_CAPABLE(ha))
2841                 return;
2842
2843         if (atomic_read(&fcport->state) != FCS_ONLINE)
2844                 return;
2845
2846         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2847             fcport->fp_speed > ha->link_data_rate)
2848                 return;
2849
2850         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2851             mb);
2852         if (rval != QLA_SUCCESS) {
2853                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2854                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2855                     vha->host_no, fcport->port_name[0], fcport->port_name[1],
2856                     fcport->port_name[2], fcport->port_name[3],
2857                     fcport->port_name[4], fcport->port_name[5],
2858                     fcport->port_name[6], fcport->port_name[7], rval,
2859                     fcport->fp_speed, mb[0], mb[1]));
2860         } else {
2861                 link_speed = link_speeds[LS_UNKNOWN];
2862                 if (fcport->fp_speed < 5)
2863                         link_speed = link_speeds[fcport->fp_speed];
2864                 else if (fcport->fp_speed == 0x13)
2865                         link_speed = link_speeds[5];
2866                 DEBUG2(qla_printk(KERN_INFO, ha,
2867                     "iIDMA adjusted to %s GB/s on "
2868                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2869                     link_speed, fcport->port_name[0],
2870                     fcport->port_name[1], fcport->port_name[2],
2871                     fcport->port_name[3], fcport->port_name[4],
2872                     fcport->port_name[5], fcport->port_name[6],
2873                     fcport->port_name[7]));
2874         }
2875 }
2876
2877 static void
2878 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2879 {
2880         struct fc_rport_identifiers rport_ids;
2881         struct fc_rport *rport;
2882         struct qla_hw_data *ha = vha->hw;
2883         unsigned long flags;
2884
2885         qla2x00_rport_del(fcport);
2886
2887         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2888         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2889         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2890             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2891         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2892         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2893         if (!rport) {
2894                 qla_printk(KERN_WARNING, ha,
2895                     "Unable to allocate fc remote port!\n");
2896                 return;
2897         }
2898         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2899         *((fc_port_t **)rport->dd_data) = fcport;
2900         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2901
2902         rport->supported_classes = fcport->supported_classes;
2903
2904         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2905         if (fcport->port_type == FCT_INITIATOR)
2906                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2907         if (fcport->port_type == FCT_TARGET)
2908                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2909         fc_remote_port_rolechg(rport, rport_ids.roles);
2910 }
2911
2912 /*
2913  * qla2x00_update_fcport
2914  *      Updates device on list.
2915  *
2916  * Input:
2917  *      ha = adapter block pointer.
2918  *      fcport = port structure pointer.
2919  *
2920  * Return:
2921  *      0  - Success
2922  *  BIT_0 - error
2923  *
2924  * Context:
2925  *      Kernel context.
2926  */
2927 void
2928 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2929 {
2930         fcport->vha = vha;
2931         fcport->login_retry = 0;
2932         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2933
2934         qla2x00_iidma_fcport(vha, fcport);
2935         qla24xx_update_fcport_fcp_prio(vha, fcport);
2936         qla2x00_reg_remote_port(vha, fcport);
2937         atomic_set(&fcport->state, FCS_ONLINE);
2938 }
2939
2940 /*
2941  * qla2x00_configure_fabric
2942  *      Setup SNS devices with loop ID's.
2943  *
2944  * Input:
2945  *      ha = adapter block pointer.
2946  *
2947  * Returns:
2948  *      0 = success.
2949  *      BIT_0 = error
2950  */
2951 static int
2952 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2953 {
2954         int     rval, rval2;
2955         fc_port_t       *fcport, *fcptemp;
2956         uint16_t        next_loopid;
2957         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2958         uint16_t        loop_id;
2959         LIST_HEAD(new_fcports);
2960         struct qla_hw_data *ha = vha->hw;
2961         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2962
2963         /* If FL port exists, then SNS is present */
2964         if (IS_FWI2_CAPABLE(ha))
2965                 loop_id = NPH_F_PORT;
2966         else
2967                 loop_id = SNS_FL_PORT;
2968         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2969         if (rval != QLA_SUCCESS) {
2970                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2971                     "Port\n", vha->host_no));
2972
2973                 vha->device_flags &= ~SWITCH_FOUND;
2974                 return (QLA_SUCCESS);
2975         }
2976         vha->device_flags |= SWITCH_FOUND;
2977
2978         /* Mark devices that need re-synchronization. */
2979         rval2 = qla2x00_device_resync(vha);
2980         if (rval2 == QLA_RSCNS_HANDLED) {
2981                 /* No point doing the scan, just continue. */
2982                 return (QLA_SUCCESS);
2983         }
2984         do {
2985                 /* FDMI support. */
2986                 if (ql2xfdmienable &&
2987                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2988                         qla2x00_fdmi_register(vha);
2989
2990                 /* Ensure we are logged into the SNS. */
2991                 if (IS_FWI2_CAPABLE(ha))
2992                         loop_id = NPH_SNS;
2993                 else
2994                         loop_id = SIMPLE_NAME_SERVER;
2995                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2996                     0xfc, mb, BIT_1 | BIT_0);
2997                 if (mb[0] != MBS_COMMAND_COMPLETE) {
2998                         DEBUG2(qla_printk(KERN_INFO, ha,
2999                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
3000                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
3001                             mb[0], mb[1], mb[2], mb[6], mb[7]));
3002                         return (QLA_SUCCESS);
3003                 }
3004
3005                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3006                         if (qla2x00_rft_id(vha)) {
3007                                 /* EMPTY */
3008                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
3009                                     "TYPE failed.\n", vha->host_no));
3010                         }
3011                         if (qla2x00_rff_id(vha)) {
3012                                 /* EMPTY */
3013                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
3014                                     "Features failed.\n", vha->host_no));
3015                         }
3016                         if (qla2x00_rnn_id(vha)) {
3017                                 /* EMPTY */
3018                                 DEBUG2(printk("scsi(%ld): Register Node Name "
3019                                     "failed.\n", vha->host_no));
3020                         } else if (qla2x00_rsnn_nn(vha)) {
3021                                 /* EMPTY */
3022                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
3023                                     "Node Name failed.\n", vha->host_no));
3024                         }
3025                 }
3026
3027                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3028                 if (rval != QLA_SUCCESS)
3029                         break;
3030
3031                 /*
3032                  * Logout all previous fabric devices marked lost, except
3033                  * FCP2 devices.
3034                  */
3035                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3036                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3037                                 break;
3038
3039                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3040                                 continue;
3041
3042                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3043                                 qla2x00_mark_device_lost(vha, fcport,
3044                                     ql2xplogiabsentdevice, 0);
3045                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3046                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3047                                     fcport->port_type != FCT_INITIATOR &&
3048                                     fcport->port_type != FCT_BROADCAST) {
3049                                         ha->isp_ops->fabric_logout(vha,
3050                                             fcport->loop_id,
3051                                             fcport->d_id.b.domain,
3052                                             fcport->d_id.b.area,
3053                                             fcport->d_id.b.al_pa);
3054                                         fcport->loop_id = FC_NO_LOOP_ID;
3055                                 }
3056                         }
3057                 }
3058
3059                 /* Starting free loop ID. */
3060                 next_loopid = ha->min_external_loopid;
3061
3062                 /*
3063                  * Scan through our port list and login entries that need to be
3064                  * logged in.
3065                  */
3066                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3067                         if (atomic_read(&vha->loop_down_timer) ||
3068                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3069                                 break;
3070
3071                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3072                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3073                                 continue;
3074
3075                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3076                                 fcport->loop_id = next_loopid;
3077                                 rval = qla2x00_find_new_loop_id(
3078                                     base_vha, fcport);
3079                                 if (rval != QLA_SUCCESS) {
3080                                         /* Ran out of IDs to use */
3081                                         break;
3082                                 }
3083                         }
3084                         /* Login and update database */
3085                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3086                 }
3087
3088                 /* Exit if out of loop IDs. */
3089                 if (rval != QLA_SUCCESS) {
3090                         break;
3091                 }
3092
3093                 /*
3094                  * Login and add the new devices to our port list.
3095                  */
3096                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3097                         if (atomic_read(&vha->loop_down_timer) ||
3098                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3099                                 break;
3100
3101                         /* Find a new loop ID to use. */
3102                         fcport->loop_id = next_loopid;
3103                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3104                         if (rval != QLA_SUCCESS) {
3105                                 /* Ran out of IDs to use */
3106                                 break;
3107                         }
3108
3109                         /* Login and update database */
3110                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3111
3112                         if (vha->vp_idx) {
3113                                 fcport->vha = vha;
3114                                 fcport->vp_idx = vha->vp_idx;
3115                         }
3116                         list_move_tail(&fcport->list, &vha->vp_fcports);
3117                 }
3118         } while (0);
3119
3120         /* Free all new device structures not processed. */
3121         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3122                 list_del(&fcport->list);
3123                 kfree(fcport);
3124         }
3125
3126         if (rval) {
3127                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
3128                     "rval=%d\n", vha->host_no, rval));
3129         }
3130
3131         return (rval);
3132 }
3133
3134 /*
3135  * qla2x00_find_all_fabric_devs
3136  *
3137  * Input:
3138  *      ha = adapter block pointer.
3139  *      dev = database device entry pointer.
3140  *
3141  * Returns:
3142  *      0 = success.
3143  *
3144  * Context:
3145  *      Kernel context.
3146  */
3147 static int
3148 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3149         struct list_head *new_fcports)
3150 {
3151         int             rval;
3152         uint16_t        loop_id;
3153         fc_port_t       *fcport, *new_fcport, *fcptemp;
3154         int             found;
3155
3156         sw_info_t       *swl;
3157         int             swl_idx;
3158         int             first_dev, last_dev;
3159         port_id_t       wrap = {}, nxt_d_id;
3160         struct qla_hw_data *ha = vha->hw;
3161         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3162         struct scsi_qla_host *tvp;
3163
3164         rval = QLA_SUCCESS;
3165
3166         /* Try GID_PT to get device list, else GAN. */
3167         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
3168         if (!swl) {
3169                 /*EMPTY*/
3170                 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
3171                     "on GA_NXT\n", vha->host_no));
3172         } else {
3173                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3174                         kfree(swl);
3175                         swl = NULL;
3176                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3177                         kfree(swl);
3178                         swl = NULL;
3179                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3180                         kfree(swl);
3181                         swl = NULL;
3182                 } else if (ql2xiidmaenable &&
3183                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3184                         qla2x00_gpsc(vha, swl);
3185                 }
3186
3187                 /* If other queries succeeded probe for FC-4 type */
3188                 if (swl)
3189                         qla2x00_gff_id(vha, swl);
3190         }
3191         swl_idx = 0;
3192
3193         /* Allocate temporary fcport for any new fcports discovered. */
3194         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3195         if (new_fcport == NULL) {
3196                 kfree(swl);
3197                 return (QLA_MEMORY_ALLOC_FAILED);
3198         }
3199         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3200         /* Set start port ID scan at adapter ID. */
3201         first_dev = 1;
3202         last_dev = 0;
3203
3204         /* Starting free loop ID. */
3205         loop_id = ha->min_external_loopid;
3206         for (; loop_id <= ha->max_loop_id; loop_id++) {
3207                 if (qla2x00_is_reserved_id(vha, loop_id))
3208                         continue;
3209
3210                 if (ha->current_topology == ISP_CFG_FL &&
3211                     (atomic_read(&vha->loop_down_timer) ||
3212                      LOOP_TRANSITION(vha))) {
3213                         atomic_set(&vha->loop_down_timer, 0);
3214                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3215                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3216                         break;
3217                 }
3218
3219                 if (swl != NULL) {
3220                         if (last_dev) {
3221                                 wrap.b24 = new_fcport->d_id.b24;
3222                         } else {
3223                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3224                                 memcpy(new_fcport->node_name,
3225                                     swl[swl_idx].node_name, WWN_SIZE);
3226                                 memcpy(new_fcport->port_name,
3227                                     swl[swl_idx].port_name, WWN_SIZE);
3228                                 memcpy(new_fcport->fabric_port_name,
3229                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3230                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3231                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3232
3233                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3234                                         last_dev = 1;
3235                                 }
3236                                 swl_idx++;
3237                         }
3238                 } else {
3239                         /* Send GA_NXT to the switch */
3240                         rval = qla2x00_ga_nxt(vha, new_fcport);
3241                         if (rval != QLA_SUCCESS) {
3242                                 qla_printk(KERN_WARNING, ha,
3243                                     "SNS scan failed -- assuming zero-entry "
3244                                     "result...\n");
3245                                 list_for_each_entry_safe(fcport, fcptemp,
3246                                     new_fcports, list) {
3247                                         list_del(&fcport->list);
3248                                         kfree(fcport);
3249                                 }
3250                                 rval = QLA_SUCCESS;
3251                                 break;
3252                         }
3253                 }
3254
3255                 /* If wrap on switch device list, exit. */
3256                 if (first_dev) {
3257                         wrap.b24 = new_fcport->d_id.b24;
3258                         first_dev = 0;
3259                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3260                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
3261                             vha->host_no, new_fcport->d_id.b.domain,
3262                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
3263                         break;
3264                 }
3265
3266                 /* Bypass if same physical adapter. */
3267                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3268                         continue;
3269
3270                 /* Bypass virtual ports of the same host. */
3271                 found = 0;
3272                 if (ha->num_vhosts) {
3273                         unsigned long flags;
3274
3275                         spin_lock_irqsave(&ha->vport_slock, flags);
3276                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3277                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3278                                         found = 1;
3279                                         break;
3280                                 }
3281                         }
3282                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3283
3284                         if (found)
3285                                 continue;
3286                 }
3287
3288                 /* Bypass if same domain and area of adapter. */
3289                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3290                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3291                         ISP_CFG_FL)
3292                             continue;
3293
3294                 /* Bypass reserved domain fields. */
3295                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3296                         continue;
3297
3298                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3299                 if (ql2xgffidenable &&
3300                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3301                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3302                         continue;
3303
3304                 /* Locate matching device in database. */
3305                 found = 0;
3306                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3307                         if (memcmp(new_fcport->port_name, fcport->port_name,
3308                             WWN_SIZE))
3309                                 continue;
3310
3311                         found++;
3312
3313                         /* Update port state. */
3314                         memcpy(fcport->fabric_port_name,
3315                             new_fcport->fabric_port_name, WWN_SIZE);
3316                         fcport->fp_speed = new_fcport->fp_speed;
3317
3318                         /*
3319                          * If address the same and state FCS_ONLINE, nothing
3320                          * changed.
3321                          */
3322                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3323                             atomic_read(&fcport->state) == FCS_ONLINE) {
3324                                 break;
3325                         }
3326
3327                         /*
3328                          * If device was not a fabric device before.
3329                          */
3330                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3331                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3332                                 fcport->loop_id = FC_NO_LOOP_ID;
3333                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3334                                     FCF_LOGIN_NEEDED);
3335                                 break;
3336                         }
3337
3338                         /*
3339                          * Port ID changed or device was marked to be updated;
3340                          * Log it out if still logged in and mark it for
3341                          * relogin later.
3342                          */
3343                         fcport->d_id.b24 = new_fcport->d_id.b24;
3344                         fcport->flags |= FCF_LOGIN_NEEDED;
3345                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3346                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3347                             fcport->port_type != FCT_INITIATOR &&
3348                             fcport->port_type != FCT_BROADCAST) {
3349                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3350                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3351                                     fcport->d_id.b.al_pa);
3352                                 fcport->loop_id = FC_NO_LOOP_ID;
3353                         }
3354
3355                         break;
3356                 }
3357
3358                 if (found)
3359                         continue;
3360                 /* If device was not in our fcports list, then add it. */
3361                 list_add_tail(&new_fcport->list, new_fcports);
3362
3363                 /* Allocate a new replacement fcport. */
3364                 nxt_d_id.b24 = new_fcport->d_id.b24;
3365                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3366                 if (new_fcport == NULL) {
3367                         kfree(swl);
3368                         return (QLA_MEMORY_ALLOC_FAILED);
3369                 }
3370                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3371                 new_fcport->d_id.b24 = nxt_d_id.b24;
3372         }
3373
3374         kfree(swl);
3375         kfree(new_fcport);
3376
3377         return (rval);
3378 }
3379
3380 /*
3381  * qla2x00_find_new_loop_id
3382  *      Scan through our port list and find a new usable loop ID.
3383  *
3384  * Input:
3385  *      ha:     adapter state pointer.
3386  *      dev:    port structure pointer.
3387  *
3388  * Returns:
3389  *      qla2x00 local function return status code.
3390  *
3391  * Context:
3392  *      Kernel context.
3393  */
3394 static int
3395 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3396 {
3397         int     rval;
3398         int     found;
3399         fc_port_t *fcport;
3400         uint16_t first_loop_id;
3401         struct qla_hw_data *ha = vha->hw;
3402         struct scsi_qla_host *vp;
3403         struct scsi_qla_host *tvp;
3404         unsigned long flags = 0;
3405
3406         rval = QLA_SUCCESS;
3407
3408         /* Save starting loop ID. */
3409         first_loop_id = dev->loop_id;
3410
3411         for (;;) {
3412                 /* Skip loop ID if already used by adapter. */
3413                 if (dev->loop_id == vha->loop_id)
3414                         dev->loop_id++;
3415
3416                 /* Skip reserved loop IDs. */
3417                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3418                         dev->loop_id++;
3419
3420                 /* Reset loop ID if passed the end. */
3421                 if (dev->loop_id > ha->max_loop_id) {
3422                         /* first loop ID. */
3423                         dev->loop_id = ha->min_external_loopid;
3424                 }
3425
3426                 /* Check for loop ID being already in use. */
3427                 found = 0;
3428                 fcport = NULL;
3429
3430                 spin_lock_irqsave(&ha->vport_slock, flags);
3431                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3432                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
3433                                 if (fcport->loop_id == dev->loop_id &&
3434                                                                 fcport != dev) {
3435                                         /* ID possibly in use */
3436                                         found++;
3437                                         break;
3438                                 }
3439                         }
3440                         if (found)
3441                                 break;
3442                 }
3443                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3444
3445                 /* If not in use then it is free to use. */
3446                 if (!found) {
3447                         break;
3448                 }
3449
3450                 /* ID in use. Try next value. */
3451                 dev->loop_id++;
3452
3453                 /* If wrap around. No free ID to use. */
3454                 if (dev->loop_id == first_loop_id) {
3455                         dev->loop_id = FC_NO_LOOP_ID;
3456                         rval = QLA_FUNCTION_FAILED;
3457                         break;
3458                 }
3459         }
3460
3461         return (rval);
3462 }
3463
3464 /*
3465  * qla2x00_device_resync
3466  *      Marks devices in the database that needs resynchronization.
3467  *
3468  * Input:
3469  *      ha = adapter block pointer.
3470  *
3471  * Context:
3472  *      Kernel context.
3473  */
3474 static int
3475 qla2x00_device_resync(scsi_qla_host_t *vha)
3476 {
3477         int     rval;
3478         uint32_t mask;
3479         fc_port_t *fcport;
3480         uint32_t rscn_entry;
3481         uint8_t rscn_out_iter;
3482         uint8_t format;
3483         port_id_t d_id = {};
3484
3485         rval = QLA_RSCNS_HANDLED;
3486
3487         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3488             vha->flags.rscn_queue_overflow) {
3489
3490                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3491                 format = MSB(MSW(rscn_entry));
3492                 d_id.b.domain = LSB(MSW(rscn_entry));
3493                 d_id.b.area = MSB(LSW(rscn_entry));
3494                 d_id.b.al_pa = LSB(LSW(rscn_entry));
3495
3496                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3497                     "[%02x/%02x%02x%02x].\n",
3498                     vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3499                     d_id.b.area, d_id.b.al_pa));
3500
3501                 vha->rscn_out_ptr++;
3502                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3503                         vha->rscn_out_ptr = 0;
3504
3505                 /* Skip duplicate entries. */
3506                 for (rscn_out_iter = vha->rscn_out_ptr;
3507                     !vha->flags.rscn_queue_overflow &&
3508                     rscn_out_iter != vha->rscn_in_ptr;
3509                     rscn_out_iter = (rscn_out_iter ==
3510                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3511
3512                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3513                                 break;
3514
3515                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3516                             "entry found at [%d].\n", vha->host_no,
3517                             rscn_out_iter));
3518
3519                         vha->rscn_out_ptr = rscn_out_iter;
3520                 }
3521
3522                 /* Queue overflow, set switch default case. */
3523                 if (vha->flags.rscn_queue_overflow) {
3524                         DEBUG(printk("scsi(%ld): device_resync: rscn "
3525                             "overflow.\n", vha->host_no));
3526
3527                         format = 3;
3528                         vha->flags.rscn_queue_overflow = 0;
3529                 }
3530
3531                 switch (format) {
3532                 case 0:
3533                         mask = 0xffffff;
3534                         break;
3535                 case 1:
3536                         mask = 0xffff00;
3537                         break;
3538                 case 2:
3539                         mask = 0xff0000;
3540                         break;
3541                 default:
3542                         mask = 0x0;
3543                         d_id.b24 = 0;
3544                         vha->rscn_out_ptr = vha->rscn_in_ptr;
3545                         break;
3546                 }
3547
3548                 rval = QLA_SUCCESS;
3549
3550                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3551                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3552                             (fcport->d_id.b24 & mask) != d_id.b24 ||
3553                             fcport->port_type == FCT_BROADCAST)
3554                                 continue;
3555
3556                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
3557                                 if (format != 3 ||
3558                                     fcport->port_type != FCT_INITIATOR) {
3559                                         qla2x00_mark_device_lost(vha, fcport,
3560                                             0, 0);
3561                                 }
3562                         }
3563                 }
3564         }
3565         return (rval);
3566 }
3567
3568 /*
3569  * qla2x00_fabric_dev_login
3570  *      Login fabric target device and update FC port database.
3571  *
3572  * Input:
3573  *      ha:             adapter state pointer.
3574  *      fcport:         port structure list pointer.
3575  *      next_loopid:    contains value of a new loop ID that can be used
3576  *                      by the next login attempt.
3577  *
3578  * Returns:
3579  *      qla2x00 local function return status code.
3580  *
3581  * Context:
3582  *      Kernel context.
3583  */
3584 static int
3585 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3586     uint16_t *next_loopid)
3587 {
3588         int     rval;
3589         int     retry;
3590         uint8_t opts;
3591         struct qla_hw_data *ha = vha->hw;
3592
3593         rval = QLA_SUCCESS;
3594         retry = 0;
3595
3596         if (IS_ALOGIO_CAPABLE(ha)) {
3597                 if (fcport->flags & FCF_ASYNC_SENT)
3598                         return rval;
3599                 fcport->flags |= FCF_ASYNC_SENT;
3600                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3601                 if (!rval)
3602                         return rval;
3603         }
3604
3605         fcport->flags &= ~FCF_ASYNC_SENT;
3606         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3607         if (rval == QLA_SUCCESS) {
3608                 /* Send an ADISC to FCP2 devices.*/
3609                 opts = 0;
3610                 if (fcport->flags & FCF_FCP2_DEVICE)
3611                         opts |= BIT_1;
3612                 rval = qla2x00_get_port_database(vha, fcport, opts);
3613                 if (rval != QLA_SUCCESS) {
3614                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3615                             fcport->d_id.b.domain, fcport->d_id.b.area,
3616                             fcport->d_id.b.al_pa);
3617                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3618                 } else {
3619                         qla2x00_update_fcport(vha, fcport);
3620                 }
3621         }
3622
3623         return (rval);
3624 }
3625
3626 /*
3627  * qla2x00_fabric_login
3628  *      Issue fabric login command.
3629  *
3630  * Input:
3631  *      ha = adapter block pointer.
3632  *      device = pointer to FC device type structure.
3633  *
3634  * Returns:
3635  *      0 - Login successfully
3636  *      1 - Login failed
3637  *      2 - Initiator device
3638  *      3 - Fatal error
3639  */
3640 int
3641 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3642     uint16_t *next_loopid)
3643 {
3644         int     rval;
3645         int     retry;
3646         uint16_t tmp_loopid;
3647         uint16_t mb[MAILBOX_REGISTER_COUNT];
3648         struct qla_hw_data *ha = vha->hw;
3649
3650         retry = 0;
3651         tmp_loopid = 0;
3652
3653         for (;;) {
3654                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3655                     "for port %02x%02x%02x.\n",
3656                     vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3657                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3658
3659                 /* Login fcport on switch. */
3660                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3661                     fcport->d_id.b.domain, fcport->d_id.b.area,
3662                     fcport->d_id.b.al_pa, mb, BIT_0);
3663                 if (mb[0] == MBS_PORT_ID_USED) {
3664                         /*
3665                          * Device has another loop ID.  The firmware team
3666                          * recommends the driver perform an implicit login with
3667                          * the specified ID again. The ID we just used is save
3668                          * here so we return with an ID that can be tried by
3669                          * the next login.
3670                          */
3671                         retry++;
3672                         tmp_loopid = fcport->loop_id;
3673                         fcport->loop_id = mb[1];
3674
3675                         DEBUG(printk("Fabric Login: port in use - next "
3676                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3677                             fcport->loop_id, fcport->d_id.b.domain,
3678                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3679
3680                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3681                         /*
3682                          * Login succeeded.
3683                          */
3684                         if (retry) {
3685                                 /* A retry occurred before. */
3686                                 *next_loopid = tmp_loopid;
3687                         } else {
3688                                 /*
3689                                  * No retry occurred before. Just increment the
3690                                  * ID value for next login.
3691                                  */
3692                                 *next_loopid = (fcport->loop_id + 1);
3693                         }
3694
3695                         if (mb[1] & BIT_0) {
3696                                 fcport->port_type = FCT_INITIATOR;
3697                         } else {
3698                                 fcport->port_type = FCT_TARGET;
3699                                 if (mb[1] & BIT_1) {
3700                                         fcport->flags |= FCF_FCP2_DEVICE;
3701                                 }
3702                         }
3703
3704                         if (mb[10] & BIT_0)
3705                                 fcport->supported_classes |= FC_COS_CLASS2;
3706                         if (mb[10] & BIT_1)
3707                                 fcport->supported_classes |= FC_COS_CLASS3;
3708
3709                         rval = QLA_SUCCESS;
3710                         break;
3711                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3712                         /*
3713                          * Loop ID already used, try next loop ID.
3714                          */
3715                         fcport->loop_id++;
3716                         rval = qla2x00_find_new_loop_id(vha, fcport);
3717                         if (rval != QLA_SUCCESS) {
3718                                 /* Ran out of loop IDs to use */
3719                                 break;
3720                         }
3721                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3722                         /*
3723                          * Firmware possibly timed out during login. If NO
3724                          * retries are left to do then the device is declared
3725                          * dead.
3726                          */
3727                         *next_loopid = fcport->loop_id;
3728                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3729                             fcport->d_id.b.domain, fcport->d_id.b.area,
3730                             fcport->d_id.b.al_pa);
3731                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3732
3733                         rval = 1;
3734                         break;
3735                 } else {
3736                         /*
3737                          * unrecoverable / not handled error
3738                          */
3739                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3740                             "loop_id=%x jiffies=%lx.\n",
3741                             __func__, vha->host_no, mb[0],
3742                             fcport->d_id.b.domain, fcport->d_id.b.area,
3743                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3744
3745                         *next_loopid = fcport->loop_id;
3746                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3747                             fcport->d_id.b.domain, fcport->d_id.b.area,
3748                             fcport->d_id.b.al_pa);
3749                         fcport->loop_id = FC_NO_LOOP_ID;
3750                         fcport->login_retry = 0;
3751
3752                         rval = 3;
3753                         break;
3754                 }
3755         }
3756
3757         return (rval);
3758 }
3759
3760 /*
3761  * qla2x00_local_device_login
3762  *      Issue local device login command.
3763  *
3764  * Input:
3765  *      ha = adapter block pointer.
3766  *      loop_id = loop id of device to login to.
3767  *
3768  * Returns (Where's the #define!!!!):
3769  *      0 - Login successfully
3770  *      1 - Login failed
3771  *      3 - Fatal error
3772  */
3773 int
3774 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3775 {
3776         int             rval;
3777         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3778
3779         memset(mb, 0, sizeof(mb));
3780         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3781         if (rval == QLA_SUCCESS) {
3782                 /* Interrogate mailbox registers for any errors */
3783                 if (mb[0] == MBS_COMMAND_ERROR)
3784                         rval = 1;
3785                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3786                         /* device not in PCB table */
3787                         rval = 3;
3788         }
3789
3790         return (rval);
3791 }
3792
3793 /*
3794  *  qla2x00_loop_resync
3795  *      Resync with fibre channel devices.
3796  *
3797  * Input:
3798  *      ha = adapter block pointer.
3799  *
3800  * Returns:
3801  *      0 = success
3802  */
3803 int
3804 qla2x00_loop_resync(scsi_qla_host_t *vha)
3805 {
3806         int rval = QLA_SUCCESS;
3807         uint32_t wait_time;
3808         struct req_que *req;
3809         struct rsp_que *rsp;
3810
3811         if (vha->hw->flags.cpu_affinity_enabled)
3812                 req = vha->hw->req_q_map[0];
3813         else
3814                 req = vha->req;
3815         rsp = req->rsp;
3816
3817         atomic_set(&vha->loop_state, LOOP_UPDATE);
3818         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3819         if (vha->flags.online) {
3820                 if (!(rval = qla2x00_fw_ready(vha))) {
3821                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3822                         wait_time = 256;
3823                         do {
3824                                 atomic_set(&vha->loop_state, LOOP_UPDATE);
3825
3826                                 /* Issue a marker after FW becomes ready. */
3827                                 qla2x00_marker(vha, req, rsp, 0, 0,
3828                                         MK_SYNC_ALL);
3829                                 vha->marker_needed = 0;
3830
3831                                 /* Remap devices on Loop. */
3832                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3833
3834                                 qla2x00_configure_loop(vha);
3835                                 wait_time--;
3836                         } while (!atomic_read(&vha->loop_down_timer) &&
3837                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3838                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3839                                 &vha->dpc_flags)));
3840                 }
3841         }
3842
3843         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3844                 return (QLA_FUNCTION_FAILED);
3845
3846         if (rval)
3847                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3848
3849         return (rval);
3850 }
3851
3852 /*
3853 * qla2x00_perform_loop_resync
3854 * Description: This function will set the appropriate flags and call
3855 *              qla2x00_loop_resync. If successful loop will be resynced
3856 * Arguments : scsi_qla_host_t pointer
3857 * returm    : Success or Failure
3858 */
3859
3860 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3861 {
3862         int32_t rval = 0;
3863
3864         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3865                 /*Configure the flags so that resync happens properly*/
3866                 atomic_set(&ha->loop_down_timer, 0);
3867                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3868                         atomic_set(&ha->loop_state, LOOP_UP);
3869                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3870                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3871                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3872
3873                         rval = qla2x00_loop_resync(ha);
3874                 } else
3875                         atomic_set(&ha->loop_state, LOOP_DEAD);
3876
3877                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3878         }
3879
3880         return rval;
3881 }
3882
3883 void
3884 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3885 {
3886         fc_port_t *fcport;
3887         struct scsi_qla_host *vha;
3888         struct qla_hw_data *ha = base_vha->hw;
3889         unsigned long flags;
3890
3891         spin_lock_irqsave(&ha->vport_slock, flags);
3892         /* Go with deferred removal of rport references. */
3893         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3894                 atomic_inc(&vha->vref_count);
3895                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3896                         if (fcport->drport &&
3897                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3898                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3899
3900                                 qla2x00_rport_del(fcport);
3901
3902                                 spin_lock_irqsave(&ha->vport_slock, flags);
3903                         }
3904                 }
3905                 atomic_dec(&vha->vref_count);
3906         }
3907         spin_unlock_irqrestore(&ha->vport_slock, flags);
3908 }
3909
3910 /*
3911 * qla82xx_quiescent_state_cleanup
3912 * Description: This function will block the new I/Os
3913 *              Its not aborting any I/Os as context
3914 *              is not destroyed during quiescence
3915 * Arguments: scsi_qla_host_t
3916 * return   : void
3917 */
3918 void
3919 qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3920 {
3921         struct qla_hw_data *ha = vha->hw;
3922         struct scsi_qla_host *vp;
3923
3924         qla_printk(KERN_INFO, ha,
3925                         "Performing ISP error recovery - ha= %p.\n", ha);
3926
3927         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3928         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3929                 atomic_set(&vha->loop_state, LOOP_DOWN);
3930                 qla2x00_mark_all_devices_lost(vha, 0);
3931                 list_for_each_entry(vp, &ha->vp_list, list)
3932                         qla2x00_mark_all_devices_lost(vha, 0);
3933         } else {
3934                 if (!atomic_read(&vha->loop_down_timer))
3935                         atomic_set(&vha->loop_down_timer,
3936                                         LOOP_DOWN_TIME);
3937         }
3938         /* Wait for pending cmds to complete */
3939         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3940 }
3941
3942 void
3943 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3944 {
3945         struct qla_hw_data *ha = vha->hw;
3946         struct scsi_qla_host *vp;
3947         unsigned long flags;
3948         fc_port_t *fcport;
3949
3950         /* For ISP82XX, driver waits for completion of the commands.
3951          * online flag should be set.
3952          */
3953         if (!IS_QLA82XX(ha))
3954                 vha->flags.online = 0;
3955         ha->flags.chip_reset_done = 0;
3956         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3957         ha->qla_stats.total_isp_aborts++;
3958
3959         qla_printk(KERN_INFO, ha,
3960             "Performing ISP error recovery - ha= %p.\n", ha);
3961
3962         /* For ISP82XX, reset_chip is just disabling interrupts.
3963          * Driver waits for the completion of the commands.
3964          * the interrupts need to be enabled.
3965          */
3966         if (!IS_QLA82XX(ha))
3967                 ha->isp_ops->reset_chip(vha);
3968
3969         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3970         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3971                 atomic_set(&vha->loop_state, LOOP_DOWN);
3972                 qla2x00_mark_all_devices_lost(vha, 0);
3973
3974                 spin_lock_irqsave(&ha->vport_slock, flags);
3975                 list_for_each_entry(vp, &ha->vp_list, list) {
3976                         atomic_inc(&vp->vref_count);
3977                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3978
3979                         qla2x00_mark_all_devices_lost(vp, 0);
3980
3981                         spin_lock_irqsave(&ha->vport_slock, flags);
3982                         atomic_dec(&vp->vref_count);
3983                 }
3984                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3985         } else {
3986                 if (!atomic_read(&vha->loop_down_timer))
3987                         atomic_set(&vha->loop_down_timer,
3988                             LOOP_DOWN_TIME);
3989         }
3990
3991         /* Clear all async request states across all VPs. */
3992         list_for_each_entry(fcport, &vha->vp_fcports, list)
3993                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3994         spin_lock_irqsave(&ha->vport_slock, flags);
3995         list_for_each_entry(vp, &ha->vp_list, list) {
3996                 atomic_inc(&vp->vref_count);
3997                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3998
3999                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4000                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4001
4002                 spin_lock_irqsave(&ha->vport_slock, flags);
4003                 atomic_dec(&vp->vref_count);
4004         }
4005         spin_unlock_irqrestore(&ha->vport_slock, flags);
4006
4007         if (!ha->flags.eeh_busy) {
4008                 /* Make sure for ISP 82XX IO DMA is complete */
4009                 if (IS_QLA82XX(ha)) {
4010                         qla82xx_chip_reset_cleanup(vha);
4011
4012                         /* Done waiting for pending commands.
4013                          * Reset the online flag.
4014                          */
4015                         vha->flags.online = 0;
4016                 }
4017
4018                 /* Requeue all commands in outstanding command list. */
4019                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4020         }
4021 }
4022
4023 /*
4024 *  qla2x00_abort_isp
4025 *      Resets ISP and aborts all outstanding commands.
4026 *
4027 * Input:
4028 *      ha           = adapter block pointer.
4029 *
4030 * Returns:
4031 *      0 = success
4032 */
4033 int
4034 qla2x00_abort_isp(scsi_qla_host_t *vha)
4035 {
4036         int rval;
4037         uint8_t        status = 0;
4038         struct qla_hw_data *ha = vha->hw;
4039         struct scsi_qla_host *vp;
4040         struct req_que *req = ha->req_q_map[0];
4041         unsigned long flags;
4042
4043         if (vha->flags.online) {
4044                 qla2x00_abort_isp_cleanup(vha);
4045
4046                 if (unlikely(pci_channel_offline(ha->pdev) &&
4047                     ha->flags.pci_channel_io_perm_failure)) {
4048                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4049                         status = 0;
4050                         return status;
4051                 }
4052
4053                 ha->isp_ops->get_flash_version(vha, req->ring);
4054
4055                 ha->isp_ops->nvram_config(vha);
4056
4057                 if (!qla2x00_restart_isp(vha)) {
4058                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4059
4060                         if (!atomic_read(&vha->loop_down_timer)) {
4061                                 /*
4062                                  * Issue marker command only when we are going
4063                                  * to start the I/O .
4064                                  */
4065                                 vha->marker_needed = 1;
4066                         }
4067
4068                         vha->flags.online = 1;
4069
4070                         ha->isp_ops->enable_intrs(ha);
4071
4072                         ha->isp_abort_cnt = 0;
4073                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4074
4075                         if (IS_QLA81XX(ha))
4076                                 qla2x00_get_fw_version(vha,
4077                                     &ha->fw_major_version,
4078                                     &ha->fw_minor_version,
4079                                     &ha->fw_subminor_version,
4080                                     &ha->fw_attributes, &ha->fw_memory_size,
4081                                     ha->mpi_version, &ha->mpi_capabilities,
4082                                     ha->phy_version);
4083
4084                         if (ha->fce) {
4085                                 ha->flags.fce_enabled = 1;
4086                                 memset(ha->fce, 0,
4087                                     fce_calc_size(ha->fce_bufs));
4088                                 rval = qla2x00_enable_fce_trace(vha,
4089                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4090                                     &ha->fce_bufs);
4091                                 if (rval) {
4092                                         qla_printk(KERN_WARNING, ha,
4093                                             "Unable to reinitialize FCE "
4094                                             "(%d).\n", rval);
4095                                         ha->flags.fce_enabled = 0;
4096                                 }
4097                         }
4098
4099                         if (ha->eft) {
4100                                 memset(ha->eft, 0, EFT_SIZE);
4101                                 rval = qla2x00_enable_eft_trace(vha,
4102                                     ha->eft_dma, EFT_NUM_BUFFERS);
4103                                 if (rval) {
4104                                         qla_printk(KERN_WARNING, ha,
4105                                             "Unable to reinitialize EFT "
4106                                             "(%d).\n", rval);
4107                                 }
4108                         }
4109                 } else {        /* failed the ISP abort */
4110                         vha->flags.online = 1;
4111                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4112                                 if (ha->isp_abort_cnt == 0) {
4113                                         qla_printk(KERN_WARNING, ha,
4114                                             "ISP error recovery failed - "
4115                                             "board disabled\n");
4116                                         /*
4117                                          * The next call disables the board
4118                                          * completely.
4119                                          */
4120                                         ha->isp_ops->reset_adapter(vha);
4121                                         vha->flags.online = 0;
4122                                         clear_bit(ISP_ABORT_RETRY,
4123                                             &vha->dpc_flags);
4124                                         status = 0;
4125                                 } else { /* schedule another ISP abort */
4126                                         ha->isp_abort_cnt--;
4127                                         DEBUG(printk("qla%ld: ISP abort - "
4128                                             "retry remaining %d\n",
4129                                             vha->host_no, ha->isp_abort_cnt));
4130                                         status = 1;
4131                                 }
4132                         } else {
4133                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4134                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
4135                                     "- retrying (%d) more times\n",
4136                                     vha->host_no, ha->isp_abort_cnt));
4137                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4138                                 status = 1;
4139                         }
4140                 }
4141
4142         }
4143
4144         if (!status) {
4145                 DEBUG(printk(KERN_INFO
4146                                 "qla2x00_abort_isp(%ld): succeeded.\n",
4147                                 vha->host_no));
4148
4149                 spin_lock_irqsave(&ha->vport_slock, flags);
4150                 list_for_each_entry(vp, &ha->vp_list, list) {
4151                         if (vp->vp_idx) {
4152                                 atomic_inc(&vp->vref_count);
4153                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4154
4155                                 qla2x00_vp_abort_isp(vp);
4156
4157                                 spin_lock_irqsave(&ha->vport_slock, flags);
4158                                 atomic_dec(&vp->vref_count);
4159                         }
4160                 }
4161                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4162
4163         } else {
4164                 qla_printk(KERN_INFO, ha,
4165                         "qla2x00_abort_isp: **** FAILED ****\n");
4166         }
4167
4168         return(status);
4169 }
4170
4171 /*
4172 *  qla2x00_restart_isp
4173 *      restarts the ISP after a reset
4174 *
4175 * Input:
4176 *      ha = adapter block pointer.
4177 *
4178 * Returns:
4179 *      0 = success
4180 */
4181 static int
4182 qla2x00_restart_isp(scsi_qla_host_t *vha)
4183 {
4184         int status = 0;
4185         uint32_t wait_time;
4186         struct qla_hw_data *ha = vha->hw;
4187         struct req_que *req = ha->req_q_map[0];
4188         struct rsp_que *rsp = ha->rsp_q_map[0];
4189
4190         /* If firmware needs to be loaded */
4191         if (qla2x00_isp_firmware(vha)) {
4192                 vha->flags.online = 0;
4193                 status = ha->isp_ops->chip_diag(vha);
4194                 if (!status)
4195                         status = qla2x00_setup_chip(vha);
4196         }
4197
4198         if (!status && !(status = qla2x00_init_rings(vha))) {
4199                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4200                 ha->flags.chip_reset_done = 1;
4201                 /* Initialize the queues in use */
4202                 qla25xx_init_queues(ha);
4203
4204                 status = qla2x00_fw_ready(vha);
4205                 if (!status) {
4206                         DEBUG(printk("%s(): Start configure loop, "
4207                             "status = %d\n", __func__, status));
4208
4209                         /* Issue a marker after FW becomes ready. */
4210                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4211
4212                         vha->flags.online = 1;
4213                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4214                         wait_time = 256;
4215                         do {
4216                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4217                                 qla2x00_configure_loop(vha);
4218                                 wait_time--;
4219                         } while (!atomic_read(&vha->loop_down_timer) &&
4220                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4221                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4222                                 &vha->dpc_flags)));
4223                 }
4224
4225                 /* if no cable then assume it's good */
4226                 if ((vha->device_flags & DFLG_NO_CABLE))
4227                         status = 0;
4228
4229                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
4230                                 __func__,
4231                                 status));
4232         }
4233         return (status);
4234 }
4235
4236 static int
4237 qla25xx_init_queues(struct qla_hw_data *ha)
4238 {
4239         struct rsp_que *rsp = NULL;
4240         struct req_que *req = NULL;
4241         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4242         int ret = -1;
4243         int i;
4244
4245         for (i = 1; i < ha->max_rsp_queues; i++) {
4246                 rsp = ha->rsp_q_map[i];
4247                 if (rsp) {
4248                         rsp->options &= ~BIT_0;
4249                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4250                         if (ret != QLA_SUCCESS)
4251                                 DEBUG2_17(printk(KERN_WARNING
4252                                         "%s Rsp que:%d init failed\n", __func__,
4253                                                 rsp->id));
4254                         else
4255                                 DEBUG2_17(printk(KERN_INFO
4256                                         "%s Rsp que:%d inited\n", __func__,
4257                                                 rsp->id));
4258                 }
4259         }
4260         for (i = 1; i < ha->max_req_queues; i++) {
4261                 req = ha->req_q_map[i];
4262                 if (req) {
4263                 /* Clear outstanding commands array. */
4264                         req->options &= ~BIT_0;
4265                         ret = qla25xx_init_req_que(base_vha, req);
4266                         if (ret != QLA_SUCCESS)
4267                                 DEBUG2_17(printk(KERN_WARNING
4268                                         "%s Req que:%d init failed\n", __func__,
4269                                                 req->id));
4270                         else
4271                                 DEBUG2_17(printk(KERN_WARNING
4272                                         "%s Req que:%d inited\n", __func__,
4273                                                 req->id));
4274                 }
4275         }
4276         return ret;
4277 }
4278
4279 /*
4280 * qla2x00_reset_adapter
4281 *      Reset adapter.
4282 *
4283 * Input:
4284 *      ha = adapter block pointer.
4285 */
4286 void
4287 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4288 {
4289         unsigned long flags = 0;
4290         struct qla_hw_data *ha = vha->hw;
4291         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4292
4293         vha->flags.online = 0;
4294         ha->isp_ops->disable_intrs(ha);
4295
4296         spin_lock_irqsave(&ha->hardware_lock, flags);
4297         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4298         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4299         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4300         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4301         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4302 }
4303
4304 void
4305 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4306 {
4307         unsigned long flags = 0;
4308         struct qla_hw_data *ha = vha->hw;
4309         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4310
4311         if (IS_QLA82XX(ha))
4312                 return;
4313
4314         vha->flags.online = 0;
4315         ha->isp_ops->disable_intrs(ha);
4316
4317         spin_lock_irqsave(&ha->hardware_lock, flags);
4318         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4319         RD_REG_DWORD(&reg->hccr);
4320         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4321         RD_REG_DWORD(&reg->hccr);
4322         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4323
4324         if (IS_NOPOLLING_TYPE(ha))
4325                 ha->isp_ops->enable_intrs(ha);
4326 }
4327
4328 /* On sparc systems, obtain port and node WWN from firmware
4329  * properties.
4330  */
4331 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4332         struct nvram_24xx *nv)
4333 {
4334 #ifdef CONFIG_SPARC
4335         struct qla_hw_data *ha = vha->hw;
4336         struct pci_dev *pdev = ha->pdev;
4337         struct device_node *dp = pci_device_to_OF_node(pdev);
4338         const u8 *val;
4339         int len;
4340
4341         val = of_get_property(dp, "port-wwn", &len);
4342         if (val && len >= WWN_SIZE)
4343                 memcpy(nv->port_name, val, WWN_SIZE);
4344
4345         val = of_get_property(dp, "node-wwn", &len);
4346         if (val && len >= WWN_SIZE)
4347                 memcpy(nv->node_name, val, WWN_SIZE);
4348 #endif
4349 }
4350
4351 int
4352 qla24xx_nvram_config(scsi_qla_host_t *vha)
4353 {
4354         int   rval;
4355         struct init_cb_24xx *icb;
4356         struct nvram_24xx *nv;
4357         uint32_t *dptr;
4358         uint8_t  *dptr1, *dptr2;
4359         uint32_t chksum;
4360         uint16_t cnt;
4361         struct qla_hw_data *ha = vha->hw;
4362
4363         rval = QLA_SUCCESS;
4364         icb = (struct init_cb_24xx *)ha->init_cb;
4365         nv = ha->nvram;
4366
4367         /* Determine NVRAM starting address. */
4368         if (ha->flags.port0) {
4369                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4370                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4371         } else {
4372                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4373                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4374         }
4375         ha->nvram_size = sizeof(struct nvram_24xx);
4376         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4377         if (IS_QLA82XX(ha))
4378                 ha->vpd_size = FA_VPD_SIZE_82XX;
4379
4380         /* Get VPD data into cache */
4381         ha->vpd = ha->nvram + VPD_OFFSET;
4382         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4383             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4384
4385         /* Get NVRAM data into cache and calculate checksum. */
4386         dptr = (uint32_t *)nv;
4387         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4388             ha->nvram_size);
4389         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4390                 chksum += le32_to_cpu(*dptr++);
4391
4392         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4393         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4394
4395         /* Bad NVRAM data, set defaults parameters. */
4396         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4397             || nv->id[3] != ' ' ||
4398             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4399                 /* Reset NVRAM data. */
4400                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4401                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4402                     le16_to_cpu(nv->nvram_version));
4403                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4404                     "invalid -- WWPN) defaults.\n");
4405
4406                 /*
4407                  * Set default initialization control block.
4408                  */
4409                 memset(nv, 0, ha->nvram_size);
4410                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4411                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4412                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4413                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4414                 nv->exchange_count = __constant_cpu_to_le16(0);
4415                 nv->hard_address = __constant_cpu_to_le16(124);
4416                 nv->port_name[0] = 0x21;
4417                 nv->port_name[1] = 0x00 + ha->port_no;
4418                 nv->port_name[2] = 0x00;
4419                 nv->port_name[3] = 0xe0;
4420                 nv->port_name[4] = 0x8b;
4421                 nv->port_name[5] = 0x1c;
4422                 nv->port_name[6] = 0x55;
4423                 nv->port_name[7] = 0x86;
4424                 nv->node_name[0] = 0x20;
4425                 nv->node_name[1] = 0x00;
4426                 nv->node_name[2] = 0x00;
4427                 nv->node_name[3] = 0xe0;
4428                 nv->node_name[4] = 0x8b;
4429                 nv->node_name[5] = 0x1c;
4430                 nv->node_name[6] = 0x55;
4431                 nv->node_name[7] = 0x86;
4432                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4433                 nv->login_retry_count = __constant_cpu_to_le16(8);
4434                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4435                 nv->login_timeout = __constant_cpu_to_le16(0);
4436                 nv->firmware_options_1 =
4437                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4438                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4439                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4440                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4441                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4442                 nv->efi_parameters = __constant_cpu_to_le32(0);
4443                 nv->reset_delay = 5;
4444                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4445                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4446                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4447
4448                 rval = 1;
4449         }
4450
4451         /* Reset Initialization control block */
4452         memset(icb, 0, ha->init_cb_size);
4453
4454         /* Copy 1st segment. */
4455         dptr1 = (uint8_t *)icb;
4456         dptr2 = (uint8_t *)&nv->version;
4457         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4458         while (cnt--)
4459                 *dptr1++ = *dptr2++;
4460
4461         icb->login_retry_count = nv->login_retry_count;
4462         icb->link_down_on_nos = nv->link_down_on_nos;
4463
4464         /* Copy 2nd segment. */
4465         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4466         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4467         cnt = (uint8_t *)&icb->reserved_3 -
4468             (uint8_t *)&icb->interrupt_delay_timer;
4469         while (cnt--)
4470                 *dptr1++ = *dptr2++;
4471
4472         /*
4473          * Setup driver NVRAM options.
4474          */
4475         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4476             "QLA2462");
4477
4478         /* Use alternate WWN? */
4479         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4480                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4481                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4482         }
4483
4484         /* Prepare nodename */
4485         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4486                 /*
4487                  * Firmware will apply the following mask if the nodename was
4488                  * not provided.
4489                  */
4490                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4491                 icb->node_name[0] &= 0xF0;
4492         }
4493
4494         /* Set host adapter parameters. */
4495         ha->flags.disable_risc_code_load = 0;
4496         ha->flags.enable_lip_reset = 0;
4497         ha->flags.enable_lip_full_login =
4498             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4499         ha->flags.enable_target_reset =
4500             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4501         ha->flags.enable_led_scheme = 0;
4502         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4503
4504         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4505             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4506
4507         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4508             sizeof(ha->fw_seriallink_options24));
4509
4510         /* save HBA serial number */
4511         ha->serial0 = icb->port_name[5];
4512         ha->serial1 = icb->port_name[6];
4513         ha->serial2 = icb->port_name[7];
4514         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4515         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4516
4517         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4518
4519         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4520
4521         /* Set minimum login_timeout to 4 seconds. */
4522         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4523                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4524         if (le16_to_cpu(nv->login_timeout) < 4)
4525                 nv->login_timeout = __constant_cpu_to_le16(4);
4526         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4527         icb->login_timeout = nv->login_timeout;
4528
4529         /* Set minimum RATOV to 100 tenths of a second. */
4530         ha->r_a_tov = 100;
4531
4532         ha->loop_reset_delay = nv->reset_delay;
4533
4534         /* Link Down Timeout = 0:
4535          *
4536          *      When Port Down timer expires we will start returning
4537          *      I/O's to OS with "DID_NO_CONNECT".
4538          *
4539          * Link Down Timeout != 0:
4540          *
4541          *       The driver waits for the link to come up after link down
4542          *       before returning I/Os to OS with "DID_NO_CONNECT".
4543          */
4544         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4545                 ha->loop_down_abort_time =
4546                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4547         } else {
4548                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4549                 ha->loop_down_abort_time =
4550                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4551         }
4552
4553         /* Need enough time to try and get the port back. */
4554         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4555         if (qlport_down_retry)
4556                 ha->port_down_retry_count = qlport_down_retry;
4557
4558         /* Set login_retry_count */
4559         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4560         if (ha->port_down_retry_count ==
4561             le16_to_cpu(nv->port_down_retry_count) &&
4562             ha->port_down_retry_count > 3)
4563                 ha->login_retry_count = ha->port_down_retry_count;
4564         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4565                 ha->login_retry_count = ha->port_down_retry_count;
4566         if (ql2xloginretrycount)
4567                 ha->login_retry_count = ql2xloginretrycount;
4568
4569         /* Enable ZIO. */
4570         if (!vha->flags.init_done) {
4571                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4572                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4573                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4574                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4575         }
4576         icb->firmware_options_2 &= __constant_cpu_to_le32(
4577             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4578         vha->flags.process_response_queue = 0;
4579         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4580                 ha->zio_mode = QLA_ZIO_MODE_6;
4581
4582                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4583                     "(%d us).\n", vha->host_no, ha->zio_mode,
4584                     ha->zio_timer * 100));
4585                 qla_printk(KERN_INFO, ha,
4586                     "ZIO mode %d enabled; timer delay (%d us).\n",
4587                     ha->zio_mode, ha->zio_timer * 100);
4588
4589                 icb->firmware_options_2 |= cpu_to_le32(
4590                     (uint32_t)ha->zio_mode);
4591                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4592                 vha->flags.process_response_queue = 1;
4593         }
4594
4595         if (rval) {
4596                 DEBUG2_3(printk(KERN_WARNING
4597                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4598         }
4599         return (rval);
4600 }
4601
4602 static int
4603 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4604     uint32_t faddr)
4605 {
4606         int     rval = QLA_SUCCESS;
4607         int     segments, fragment;
4608         uint32_t *dcode, dlen;
4609         uint32_t risc_addr;
4610         uint32_t risc_size;
4611         uint32_t i;
4612         struct qla_hw_data *ha = vha->hw;
4613         struct req_que *req = ha->req_q_map[0];
4614
4615         qla_printk(KERN_INFO, ha,
4616             "FW: Loading from flash (%x)...\n", faddr);
4617
4618         rval = QLA_SUCCESS;
4619
4620         segments = FA_RISC_CODE_SEGMENTS;
4621         dcode = (uint32_t *)req->ring;
4622         *srisc_addr = 0;
4623
4624         /* Validate firmware image by checking version. */
4625         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4626         for (i = 0; i < 4; i++)
4627                 dcode[i] = be32_to_cpu(dcode[i]);
4628         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4629             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4630             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4631                 dcode[3] == 0)) {
4632                 qla_printk(KERN_WARNING, ha,
4633                     "Unable to verify integrity of flash firmware image!\n");
4634                 qla_printk(KERN_WARNING, ha,
4635                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4636                     dcode[1], dcode[2], dcode[3]);
4637
4638                 return QLA_FUNCTION_FAILED;
4639         }
4640
4641         while (segments && rval == QLA_SUCCESS) {
4642                 /* Read segment's load information. */
4643                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4644
4645                 risc_addr = be32_to_cpu(dcode[2]);
4646                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4647                 risc_size = be32_to_cpu(dcode[3]);
4648
4649                 fragment = 0;
4650                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4651                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4652                         if (dlen > risc_size)
4653                                 dlen = risc_size;
4654
4655                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4656                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4657                             vha->host_no, risc_addr, dlen, faddr));
4658
4659                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4660                         for (i = 0; i < dlen; i++)
4661                                 dcode[i] = swab32(dcode[i]);
4662
4663                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4664                             dlen);
4665                         if (rval) {
4666                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4667                                     "segment %d of firmware\n", vha->host_no,
4668                                     fragment));
4669                                 qla_printk(KERN_WARNING, ha,
4670                                     "[ERROR] Failed to load segment %d of "
4671                                     "firmware\n", fragment);
4672                                 break;
4673                         }
4674
4675                         faddr += dlen;
4676                         risc_addr += dlen;
4677                         risc_size -= dlen;
4678                         fragment++;
4679                 }
4680
4681                 /* Next segment. */
4682                 segments--;
4683         }
4684
4685         return rval;
4686 }
4687
4688 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4689
4690 int
4691 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4692 {
4693         int     rval;
4694         int     i, fragment;
4695         uint16_t *wcode, *fwcode;
4696         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4697         struct fw_blob *blob;
4698         struct qla_hw_data *ha = vha->hw;
4699         struct req_que *req = ha->req_q_map[0];
4700
4701         /* Load firmware blob. */
4702         blob = qla2x00_request_firmware(vha);
4703         if (!blob) {
4704                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4705                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4706                     "from: " QLA_FW_URL ".\n");
4707                 return QLA_FUNCTION_FAILED;
4708         }
4709
4710         rval = QLA_SUCCESS;
4711
4712         wcode = (uint16_t *)req->ring;
4713         *srisc_addr = 0;
4714         fwcode = (uint16_t *)blob->fw->data;
4715         fwclen = 0;
4716
4717         /* Validate firmware image by checking version. */
4718         if (blob->fw->size < 8 * sizeof(uint16_t)) {
4719                 qla_printk(KERN_WARNING, ha,
4720                     "Unable to verify integrity of firmware image (%Zd)!\n",
4721                     blob->fw->size);
4722                 goto fail_fw_integrity;
4723         }
4724         for (i = 0; i < 4; i++)
4725                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4726         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4727             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4728                 wcode[2] == 0 && wcode[3] == 0)) {
4729                 qla_printk(KERN_WARNING, ha,
4730                     "Unable to verify integrity of firmware image!\n");
4731                 qla_printk(KERN_WARNING, ha,
4732                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4733                     wcode[1], wcode[2], wcode[3]);
4734                 goto fail_fw_integrity;
4735         }
4736
4737         seg = blob->segs;
4738         while (*seg && rval == QLA_SUCCESS) {
4739                 risc_addr = *seg;
4740                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4741                 risc_size = be16_to_cpu(fwcode[3]);
4742
4743                 /* Validate firmware image size. */
4744                 fwclen += risc_size * sizeof(uint16_t);
4745                 if (blob->fw->size < fwclen) {
4746                         qla_printk(KERN_WARNING, ha,
4747                             "Unable to verify integrity of firmware image "
4748                             "(%Zd)!\n", blob->fw->size);
4749                         goto fail_fw_integrity;
4750                 }
4751
4752                 fragment = 0;
4753                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4754                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4755                         if (wlen > risc_size)
4756                                 wlen = risc_size;
4757
4758                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4759                             "addr %x, number of words 0x%x.\n", vha->host_no,
4760                             risc_addr, wlen));
4761
4762                         for (i = 0; i < wlen; i++)
4763                                 wcode[i] = swab16(fwcode[i]);
4764
4765                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4766                             wlen);
4767                         if (rval) {
4768                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4769                                     "segment %d of firmware\n", vha->host_no,
4770                                     fragment));
4771                                 qla_printk(KERN_WARNING, ha,
4772                                     "[ERROR] Failed to load segment %d of "
4773                                     "firmware\n", fragment);
4774                                 break;
4775                         }
4776
4777                         fwcode += wlen;
4778                         risc_addr += wlen;
4779                         risc_size -= wlen;
4780                         fragment++;
4781                 }
4782
4783                 /* Next segment. */
4784                 seg++;
4785         }
4786         return rval;
4787
4788 fail_fw_integrity:
4789         return QLA_FUNCTION_FAILED;
4790 }
4791
4792 static int
4793 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4794 {
4795         int     rval;
4796         int     segments, fragment;
4797         uint32_t *dcode, dlen;
4798         uint32_t risc_addr;
4799         uint32_t risc_size;
4800         uint32_t i;
4801         struct fw_blob *blob;
4802         uint32_t *fwcode, fwclen;
4803         struct qla_hw_data *ha = vha->hw;
4804         struct req_que *req = ha->req_q_map[0];
4805
4806         /* Load firmware blob. */
4807         blob = qla2x00_request_firmware(vha);
4808         if (!blob) {
4809                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4810                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4811                     "from: " QLA_FW_URL ".\n");
4812
4813                 return QLA_FUNCTION_FAILED;
4814         }
4815
4816         qla_printk(KERN_INFO, ha,
4817             "FW: Loading via request-firmware...\n");
4818
4819         rval = QLA_SUCCESS;
4820
4821         segments = FA_RISC_CODE_SEGMENTS;
4822         dcode = (uint32_t *)req->ring;
4823         *srisc_addr = 0;
4824         fwcode = (uint32_t *)blob->fw->data;
4825         fwclen = 0;
4826
4827         /* Validate firmware image by checking version. */
4828         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4829                 qla_printk(KERN_WARNING, ha,
4830                     "Unable to verify integrity of firmware image (%Zd)!\n",
4831                     blob->fw->size);
4832                 goto fail_fw_integrity;
4833         }
4834         for (i = 0; i < 4; i++)
4835                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4836         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4837             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4838             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4839                 dcode[3] == 0)) {
4840                 qla_printk(KERN_WARNING, ha,
4841                     "Unable to verify integrity of firmware image!\n");
4842                 qla_printk(KERN_WARNING, ha,
4843                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4844                     dcode[1], dcode[2], dcode[3]);
4845                 goto fail_fw_integrity;
4846         }
4847
4848         while (segments && rval == QLA_SUCCESS) {
4849                 risc_addr = be32_to_cpu(fwcode[2]);
4850                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4851                 risc_size = be32_to_cpu(fwcode[3]);
4852
4853                 /* Validate firmware image size. */
4854                 fwclen += risc_size * sizeof(uint32_t);
4855                 if (blob->fw->size < fwclen) {
4856                         qla_printk(KERN_WARNING, ha,
4857                             "Unable to verify integrity of firmware image "
4858                             "(%Zd)!\n", blob->fw->size);
4859
4860                         goto fail_fw_integrity;
4861                 }
4862
4863                 fragment = 0;
4864                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4865                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4866                         if (dlen > risc_size)
4867                                 dlen = risc_size;
4868
4869                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4870                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4871                             risc_addr, dlen));
4872
4873                         for (i = 0; i < dlen; i++)
4874                                 dcode[i] = swab32(fwcode[i]);
4875
4876                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4877                             dlen);
4878                         if (rval) {
4879                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4880                                     "segment %d of firmware\n", vha->host_no,
4881                                     fragment));
4882                                 qla_printk(KERN_WARNING, ha,
4883                                     "[ERROR] Failed to load segment %d of "
4884                                     "firmware\n", fragment);
4885                                 break;
4886                         }
4887
4888                         fwcode += dlen;
4889                         risc_addr += dlen;
4890                         risc_size -= dlen;
4891                         fragment++;
4892                 }
4893
4894                 /* Next segment. */
4895                 segments--;
4896         }
4897         return rval;
4898
4899 fail_fw_integrity:
4900         return QLA_FUNCTION_FAILED;
4901 }
4902
4903 int
4904 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4905 {
4906         int rval;
4907
4908         if (ql2xfwloadbin == 1)
4909                 return qla81xx_load_risc(vha, srisc_addr);
4910
4911         /*
4912          * FW Load priority:
4913          * 1) Firmware via request-firmware interface (.bin file).
4914          * 2) Firmware residing in flash.
4915          */
4916         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4917         if (rval == QLA_SUCCESS)
4918                 return rval;
4919
4920         return qla24xx_load_risc_flash(vha, srisc_addr,
4921             vha->hw->flt_region_fw);
4922 }
4923
4924 int
4925 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4926 {
4927         int rval;
4928         struct qla_hw_data *ha = vha->hw;
4929
4930         if (ql2xfwloadbin == 2)
4931                 goto try_blob_fw;
4932
4933         /*
4934          * FW Load priority:
4935          * 1) Firmware residing in flash.
4936          * 2) Firmware via request-firmware interface (.bin file).
4937          * 3) Golden-Firmware residing in flash -- limited operation.
4938          */
4939         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4940         if (rval == QLA_SUCCESS)
4941                 return rval;
4942
4943 try_blob_fw:
4944         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4945         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4946                 return rval;
4947
4948         qla_printk(KERN_ERR, ha,
4949             "FW: Attempting to fallback to golden firmware...\n");
4950         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4951         if (rval != QLA_SUCCESS)
4952                 return rval;
4953
4954         qla_printk(KERN_ERR, ha,
4955             "FW: Please update operational firmware...\n");
4956         ha->flags.running_gold_fw = 1;
4957
4958         return rval;
4959 }
4960
4961 void
4962 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4963 {
4964         int ret, retries;
4965         struct qla_hw_data *ha = vha->hw;
4966
4967         if (ha->flags.pci_channel_io_perm_failure)
4968                 return;
4969         if (!IS_FWI2_CAPABLE(ha))
4970                 return;
4971         if (!ha->fw_major_version)
4972                 return;
4973
4974         ret = qla2x00_stop_firmware(vha);
4975         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4976             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4977                 ha->isp_ops->reset_chip(vha);
4978                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4979                         continue;
4980                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4981                         continue;
4982                 qla_printk(KERN_INFO, ha,
4983                     "Attempting retry of stop-firmware command...\n");
4984                 ret = qla2x00_stop_firmware(vha);
4985         }
4986 }
4987
4988 int
4989 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4990 {
4991         int rval = QLA_SUCCESS;
4992         uint16_t mb[MAILBOX_REGISTER_COUNT];
4993         struct qla_hw_data *ha = vha->hw;
4994         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4995         struct req_que *req;
4996         struct rsp_que *rsp;
4997
4998         if (!vha->vp_idx)
4999                 return -EINVAL;
5000
5001         rval = qla2x00_fw_ready(base_vha);
5002         if (ha->flags.cpu_affinity_enabled)
5003                 req = ha->req_q_map[0];
5004         else
5005                 req = vha->req;
5006         rsp = req->rsp;
5007
5008         if (rval == QLA_SUCCESS) {
5009                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5010                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5011         }
5012
5013         vha->flags.management_server_logged_in = 0;
5014
5015         /* Login to SNS first */
5016         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
5017         if (mb[0] != MBS_COMMAND_COMPLETE) {
5018                 DEBUG15(qla_printk(KERN_INFO, ha,
5019                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5020                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
5021                     mb[0], mb[1], mb[2], mb[6], mb[7]));
5022                 return (QLA_FUNCTION_FAILED);
5023         }
5024
5025         atomic_set(&vha->loop_down_timer, 0);
5026         atomic_set(&vha->loop_state, LOOP_UP);
5027         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5028         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5029         rval = qla2x00_loop_resync(base_vha);
5030
5031         return rval;
5032 }
5033
5034 /* 84XX Support **************************************************************/
5035
5036 static LIST_HEAD(qla_cs84xx_list);
5037 static DEFINE_MUTEX(qla_cs84xx_mutex);
5038
5039 static struct qla_chip_state_84xx *
5040 qla84xx_get_chip(struct scsi_qla_host *vha)
5041 {
5042         struct qla_chip_state_84xx *cs84xx;
5043         struct qla_hw_data *ha = vha->hw;
5044
5045         mutex_lock(&qla_cs84xx_mutex);
5046
5047         /* Find any shared 84xx chip. */
5048         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5049                 if (cs84xx->bus == ha->pdev->bus) {
5050                         kref_get(&cs84xx->kref);
5051                         goto done;
5052                 }
5053         }
5054
5055         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5056         if (!cs84xx)
5057                 goto done;
5058
5059         kref_init(&cs84xx->kref);
5060         spin_lock_init(&cs84xx->access_lock);
5061         mutex_init(&cs84xx->fw_update_mutex);
5062         cs84xx->bus = ha->pdev->bus;
5063
5064         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5065 done:
5066         mutex_unlock(&qla_cs84xx_mutex);
5067         return cs84xx;
5068 }
5069
5070 static void
5071 __qla84xx_chip_release(struct kref *kref)
5072 {
5073         struct qla_chip_state_84xx *cs84xx =
5074             container_of(kref, struct qla_chip_state_84xx, kref);
5075
5076         mutex_lock(&qla_cs84xx_mutex);
5077         list_del(&cs84xx->list);
5078         mutex_unlock(&qla_cs84xx_mutex);
5079         kfree(cs84xx);
5080 }
5081
5082 void
5083 qla84xx_put_chip(struct scsi_qla_host *vha)
5084 {
5085         struct qla_hw_data *ha = vha->hw;
5086         if (ha->cs84xx)
5087                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5088 }
5089
5090 static int
5091 qla84xx_init_chip(scsi_qla_host_t *vha)
5092 {
5093         int rval;
5094         uint16_t status[2];
5095         struct qla_hw_data *ha = vha->hw;
5096
5097         mutex_lock(&ha->cs84xx->fw_update_mutex);
5098
5099         rval = qla84xx_verify_chip(vha, status);
5100
5101         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5102
5103         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5104             QLA_SUCCESS;
5105 }
5106
5107 /* 81XX Support **************************************************************/
5108
5109 int
5110 qla81xx_nvram_config(scsi_qla_host_t *vha)
5111 {
5112         int   rval;
5113         struct init_cb_81xx *icb;
5114         struct nvram_81xx *nv;
5115         uint32_t *dptr;
5116         uint8_t  *dptr1, *dptr2;
5117         uint32_t chksum;
5118         uint16_t cnt;
5119         struct qla_hw_data *ha = vha->hw;
5120
5121         rval = QLA_SUCCESS;
5122         icb = (struct init_cb_81xx *)ha->init_cb;
5123         nv = ha->nvram;
5124
5125         /* Determine NVRAM starting address. */
5126         ha->nvram_size = sizeof(struct nvram_81xx);
5127         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5128
5129         /* Get VPD data into cache */
5130         ha->vpd = ha->nvram + VPD_OFFSET;
5131         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5132             ha->vpd_size);
5133
5134         /* Get NVRAM data into cache and calculate checksum. */
5135         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5136             ha->nvram_size);
5137         dptr = (uint32_t *)nv;
5138         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5139                 chksum += le32_to_cpu(*dptr++);
5140
5141         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
5142         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
5143
5144         /* Bad NVRAM data, set defaults parameters. */
5145         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5146             || nv->id[3] != ' ' ||
5147             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5148                 /* Reset NVRAM data. */
5149                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
5150                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
5151                     le16_to_cpu(nv->nvram_version));
5152                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
5153                     "invalid -- WWPN) defaults.\n");
5154
5155                 /*
5156                  * Set default initialization control block.
5157                  */
5158                 memset(nv, 0, ha->nvram_size);
5159                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5160                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5161                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5162                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5163                 nv->exchange_count = __constant_cpu_to_le16(0);
5164                 nv->port_name[0] = 0x21;
5165                 nv->port_name[1] = 0x00 + ha->port_no;
5166                 nv->port_name[2] = 0x00;
5167                 nv->port_name[3] = 0xe0;
5168                 nv->port_name[4] = 0x8b;
5169                 nv->port_name[5] = 0x1c;
5170                 nv->port_name[6] = 0x55;
5171                 nv->port_name[7] = 0x86;
5172                 nv->node_name[0] = 0x20;
5173                 nv->node_name[1] = 0x00;
5174                 nv->node_name[2] = 0x00;
5175                 nv->node_name[3] = 0xe0;
5176                 nv->node_name[4] = 0x8b;
5177                 nv->node_name[5] = 0x1c;
5178                 nv->node_name[6] = 0x55;
5179                 nv->node_name[7] = 0x86;
5180                 nv->login_retry_count = __constant_cpu_to_le16(8);
5181                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5182                 nv->login_timeout = __constant_cpu_to_le16(0);
5183                 nv->firmware_options_1 =
5184                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5185                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5186                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5187                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5188                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5189                 nv->efi_parameters = __constant_cpu_to_le32(0);
5190                 nv->reset_delay = 5;
5191                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5192                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5193                 nv->link_down_timeout = __constant_cpu_to_le16(30);
5194                 nv->enode_mac[0] = 0x00;
5195                 nv->enode_mac[1] = 0x02;
5196                 nv->enode_mac[2] = 0x03;
5197                 nv->enode_mac[3] = 0x04;
5198                 nv->enode_mac[4] = 0x05;
5199                 nv->enode_mac[5] = 0x06 + ha->port_no;
5200
5201                 rval = 1;
5202         }
5203
5204         /* Reset Initialization control block */
5205         memset(icb, 0, sizeof(struct init_cb_81xx));
5206
5207         /* Copy 1st segment. */
5208         dptr1 = (uint8_t *)icb;
5209         dptr2 = (uint8_t *)&nv->version;
5210         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5211         while (cnt--)
5212                 *dptr1++ = *dptr2++;
5213
5214         icb->login_retry_count = nv->login_retry_count;
5215
5216         /* Copy 2nd segment. */
5217         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5218         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5219         cnt = (uint8_t *)&icb->reserved_5 -
5220             (uint8_t *)&icb->interrupt_delay_timer;
5221         while (cnt--)
5222                 *dptr1++ = *dptr2++;
5223
5224         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5225         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5226         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5227                 icb->enode_mac[0] = 0x01;
5228                 icb->enode_mac[1] = 0x02;
5229                 icb->enode_mac[2] = 0x03;
5230                 icb->enode_mac[3] = 0x04;
5231                 icb->enode_mac[4] = 0x05;
5232                 icb->enode_mac[5] = 0x06 + ha->port_no;
5233         }
5234
5235         /* Use extended-initialization control block. */
5236         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5237
5238         /*
5239          * Setup driver NVRAM options.
5240          */
5241         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5242             "QLE8XXX");
5243
5244         /* Use alternate WWN? */
5245         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5246                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5247                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5248         }
5249
5250         /* Prepare nodename */
5251         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5252                 /*
5253                  * Firmware will apply the following mask if the nodename was
5254                  * not provided.
5255                  */
5256                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5257                 icb->node_name[0] &= 0xF0;
5258         }
5259
5260         /* Set host adapter parameters. */
5261         ha->flags.disable_risc_code_load = 0;
5262         ha->flags.enable_lip_reset = 0;
5263         ha->flags.enable_lip_full_login =
5264             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5265         ha->flags.enable_target_reset =
5266             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5267         ha->flags.enable_led_scheme = 0;
5268         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5269
5270         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5271             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5272
5273         /* save HBA serial number */
5274         ha->serial0 = icb->port_name[5];
5275         ha->serial1 = icb->port_name[6];
5276         ha->serial2 = icb->port_name[7];
5277         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5278         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5279
5280         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5281
5282         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5283
5284         /* Set minimum login_timeout to 4 seconds. */
5285         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5286                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5287         if (le16_to_cpu(nv->login_timeout) < 4)
5288                 nv->login_timeout = __constant_cpu_to_le16(4);
5289         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5290         icb->login_timeout = nv->login_timeout;
5291
5292         /* Set minimum RATOV to 100 tenths of a second. */
5293         ha->r_a_tov = 100;
5294
5295         ha->loop_reset_delay = nv->reset_delay;
5296
5297         /* Link Down Timeout = 0:
5298          *
5299          *      When Port Down timer expires we will start returning
5300          *      I/O's to OS with "DID_NO_CONNECT".
5301          *
5302          * Link Down Timeout != 0:
5303          *
5304          *       The driver waits for the link to come up after link down
5305          *       before returning I/Os to OS with "DID_NO_CONNECT".
5306          */
5307         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5308                 ha->loop_down_abort_time =
5309                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5310         } else {
5311                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5312                 ha->loop_down_abort_time =
5313                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5314         }
5315
5316         /* Need enough time to try and get the port back. */
5317         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5318         if (qlport_down_retry)
5319                 ha->port_down_retry_count = qlport_down_retry;
5320
5321         /* Set login_retry_count */
5322         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5323         if (ha->port_down_retry_count ==
5324             le16_to_cpu(nv->port_down_retry_count) &&
5325             ha->port_down_retry_count > 3)
5326                 ha->login_retry_count = ha->port_down_retry_count;
5327         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5328                 ha->login_retry_count = ha->port_down_retry_count;
5329         if (ql2xloginretrycount)
5330                 ha->login_retry_count = ql2xloginretrycount;
5331
5332         /* Enable ZIO. */
5333         if (!vha->flags.init_done) {
5334                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5335                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5336                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5337                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5338         }
5339         icb->firmware_options_2 &= __constant_cpu_to_le32(
5340             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5341         vha->flags.process_response_queue = 0;
5342         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5343                 ha->zio_mode = QLA_ZIO_MODE_6;
5344
5345                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
5346                     "(%d us).\n", vha->host_no, ha->zio_mode,
5347                     ha->zio_timer * 100));
5348                 qla_printk(KERN_INFO, ha,
5349                     "ZIO mode %d enabled; timer delay (%d us).\n",
5350                     ha->zio_mode, ha->zio_timer * 100);
5351
5352                 icb->firmware_options_2 |= cpu_to_le32(
5353                     (uint32_t)ha->zio_mode);
5354                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5355                 vha->flags.process_response_queue = 1;
5356         }
5357
5358         if (rval) {
5359                 DEBUG2_3(printk(KERN_WARNING
5360                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
5361         }
5362         return (rval);
5363 }
5364
5365 int
5366 qla82xx_restart_isp(scsi_qla_host_t *vha)
5367 {
5368         int status, rval;
5369         uint32_t wait_time;
5370         struct qla_hw_data *ha = vha->hw;
5371         struct req_que *req = ha->req_q_map[0];
5372         struct rsp_que *rsp = ha->rsp_q_map[0];
5373         struct scsi_qla_host *vp;
5374         unsigned long flags;
5375
5376         status = qla2x00_init_rings(vha);
5377         if (!status) {
5378                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5379                 ha->flags.chip_reset_done = 1;
5380
5381                 status = qla2x00_fw_ready(vha);
5382                 if (!status) {
5383                         qla_printk(KERN_INFO, ha,
5384                         "%s(): Start configure loop, "
5385                         "status = %d\n", __func__, status);
5386
5387                         /* Issue a marker after FW becomes ready. */
5388                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5389
5390                         vha->flags.online = 1;
5391                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5392                         wait_time = 256;
5393                         do {
5394                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5395                                 qla2x00_configure_loop(vha);
5396                                 wait_time--;
5397                         } while (!atomic_read(&vha->loop_down_timer) &&
5398                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5399                             wait_time &&
5400                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5401                 }
5402
5403                 /* if no cable then assume it's good */
5404                 if ((vha->device_flags & DFLG_NO_CABLE))
5405                         status = 0;
5406
5407                 qla_printk(KERN_INFO, ha,
5408                         "%s(): Configure loop done, status = 0x%x\n",
5409                         __func__, status);
5410         }
5411
5412         if (!status) {
5413                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5414
5415                 if (!atomic_read(&vha->loop_down_timer)) {
5416                         /*
5417                          * Issue marker command only when we are going
5418                          * to start the I/O .
5419                          */
5420                         vha->marker_needed = 1;
5421                 }
5422
5423                 vha->flags.online = 1;
5424
5425                 ha->isp_ops->enable_intrs(ha);
5426
5427                 ha->isp_abort_cnt = 0;
5428                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5429
5430                 if (ha->fce) {
5431                         ha->flags.fce_enabled = 1;
5432                         memset(ha->fce, 0,
5433                             fce_calc_size(ha->fce_bufs));
5434                         rval = qla2x00_enable_fce_trace(vha,
5435                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5436                             &ha->fce_bufs);
5437                         if (rval) {
5438                                 qla_printk(KERN_WARNING, ha,
5439                                     "Unable to reinitialize FCE "
5440                                     "(%d).\n", rval);
5441                                 ha->flags.fce_enabled = 0;
5442                         }
5443                 }
5444
5445                 if (ha->eft) {
5446                         memset(ha->eft, 0, EFT_SIZE);
5447                         rval = qla2x00_enable_eft_trace(vha,
5448                             ha->eft_dma, EFT_NUM_BUFFERS);
5449                         if (rval) {
5450                                 qla_printk(KERN_WARNING, ha,
5451                                     "Unable to reinitialize EFT "
5452                                     "(%d).\n", rval);
5453                         }
5454                 }
5455         }
5456
5457         if (!status) {
5458                 DEBUG(printk(KERN_INFO
5459                         "qla82xx_restart_isp(%ld): succeeded.\n",
5460                         vha->host_no));
5461
5462                 spin_lock_irqsave(&ha->vport_slock, flags);
5463                 list_for_each_entry(vp, &ha->vp_list, list) {
5464                         if (vp->vp_idx) {
5465                                 atomic_inc(&vp->vref_count);
5466                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5467
5468                                 qla2x00_vp_abort_isp(vp);
5469
5470                                 spin_lock_irqsave(&ha->vport_slock, flags);
5471                                 atomic_dec(&vp->vref_count);
5472                         }
5473                 }
5474                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5475
5476         } else {
5477                 qla_printk(KERN_INFO, ha,
5478                         "qla82xx_restart_isp: **** FAILED ****\n");
5479         }
5480
5481         return status;
5482 }
5483
5484 void
5485 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5486 {
5487         struct qla_hw_data *ha = vha->hw;
5488
5489         if (!ql2xetsenable)
5490                 return;
5491
5492         /* Enable ETS Burst. */
5493         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5494         ha->fw_options[2] |= BIT_9;
5495         qla2x00_set_fw_options(vha, ha->fw_options);
5496 }
5497
5498 /*
5499  * qla24xx_get_fcp_prio
5500  *      Gets the fcp cmd priority value for the logged in port.
5501  *      Looks for a match of the port descriptors within
5502  *      each of the fcp prio config entries. If a match is found,
5503  *      the tag (priority) value is returned.
5504  *
5505  * Input:
5506  *      vha = scsi host structure pointer.
5507  *      fcport = port structure pointer.
5508  *
5509  * Return:
5510  *      non-zero (if found)
5511  *      0 (if not found)
5512  *
5513  * Context:
5514  *      Kernel context
5515  */
5516 uint8_t
5517 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5518 {
5519         int i, entries;
5520         uint8_t pid_match, wwn_match;
5521         uint8_t priority;
5522         uint32_t pid1, pid2;
5523         uint64_t wwn1, wwn2;
5524         struct qla_fcp_prio_entry *pri_entry;
5525         struct qla_hw_data *ha = vha->hw;
5526
5527         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5528                 return 0;
5529
5530         priority = 0;
5531         entries = ha->fcp_prio_cfg->num_entries;
5532         pri_entry = &ha->fcp_prio_cfg->entry[0];
5533
5534         for (i = 0; i < entries; i++) {
5535                 pid_match = wwn_match = 0;
5536
5537                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5538                         pri_entry++;
5539                         continue;
5540                 }
5541
5542                 /* check source pid for a match */
5543                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5544                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5545                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5546                         if (pid1 == INVALID_PORT_ID)
5547                                 pid_match++;
5548                         else if (pid1 == pid2)
5549                                 pid_match++;
5550                 }
5551
5552                 /* check destination pid for a match */
5553                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5554                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5555                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5556                         if (pid1 == INVALID_PORT_ID)
5557                                 pid_match++;
5558                         else if (pid1 == pid2)
5559                                 pid_match++;
5560                 }
5561
5562                 /* check source WWN for a match */
5563                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5564                         wwn1 = wwn_to_u64(vha->port_name);
5565                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5566                         if (wwn2 == (uint64_t)-1)
5567                                 wwn_match++;
5568                         else if (wwn1 == wwn2)
5569                                 wwn_match++;
5570                 }
5571
5572                 /* check destination WWN for a match */
5573                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5574                         wwn1 = wwn_to_u64(fcport->port_name);
5575                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5576                         if (wwn2 == (uint64_t)-1)
5577                                 wwn_match++;
5578                         else if (wwn1 == wwn2)
5579                                 wwn_match++;
5580                 }
5581
5582                 if (pid_match == 2 || wwn_match == 2) {
5583                         /* Found a matching entry */
5584                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5585                                 priority = pri_entry->tag;
5586                         break;
5587                 }
5588
5589                 pri_entry++;
5590         }
5591
5592         return priority;
5593 }
5594
5595 /*
5596  * qla24xx_update_fcport_fcp_prio
5597  *      Activates fcp priority for the logged in fc port
5598  *
5599  * Input:
5600  *      vha = scsi host structure pointer.
5601  *      fcp = port structure pointer.
5602  *
5603  * Return:
5604  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5605  *
5606  * Context:
5607  *      Kernel context.
5608  */
5609 int
5610 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5611 {
5612         int ret;
5613         uint8_t priority;
5614         uint16_t mb[5];
5615
5616         if (fcport->port_type != FCT_TARGET ||
5617             fcport->loop_id == FC_NO_LOOP_ID)
5618                 return QLA_FUNCTION_FAILED;
5619
5620         priority = qla24xx_get_fcp_prio(vha, fcport);
5621         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
5622         if (ret == QLA_SUCCESS)
5623                 fcport->fcp_prio = priority;
5624         else
5625                 DEBUG2(printk(KERN_WARNING
5626                         "scsi(%ld): Unable to activate fcp priority, "
5627                         " ret=0x%x\n", vha->host_no, ret));
5628
5629         return  ret;
5630 }
5631
5632 /*
5633  * qla24xx_update_all_fcp_prio
5634  *      Activates fcp priority for all the logged in ports
5635  *
5636  * Input:
5637  *      ha = adapter block pointer.
5638  *
5639  * Return:
5640  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5641  *
5642  * Context:
5643  *      Kernel context.
5644  */
5645 int
5646 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5647 {
5648         int ret;
5649         fc_port_t *fcport;
5650
5651         ret = QLA_FUNCTION_FAILED;
5652         /* We need to set priority for all logged in ports */
5653         list_for_each_entry(fcport, &vha->vp_fcports, list)
5654                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5655
5656         return ret;
5657 }