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                             (IS_QLA82XX(ha) && ha->flags.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                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2028                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
2029                             __func__, vha->host_no));
2030                 } else {
2031                         qla_printk(KERN_WARNING, ha,
2032                             "ERROR -- Unable to get host loop ID.\n");
2033                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2034                 }
2035                 return (rval);
2036         }
2037
2038         if (topo == 4) {
2039                 qla_printk(KERN_INFO, ha,
2040                         "Cannot get topology - retrying.\n");
2041                 return (QLA_FUNCTION_FAILED);
2042         }
2043
2044         vha->loop_id = loop_id;
2045
2046         /* initialize */
2047         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2048         ha->operating_mode = LOOP;
2049         ha->switch_cap = 0;
2050
2051         switch (topo) {
2052         case 0:
2053                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
2054                     vha->host_no));
2055                 ha->current_topology = ISP_CFG_NL;
2056                 strcpy(connect_type, "(Loop)");
2057                 break;
2058
2059         case 1:
2060                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
2061                     vha->host_no));
2062                 ha->switch_cap = sw_cap;
2063                 ha->current_topology = ISP_CFG_FL;
2064                 strcpy(connect_type, "(FL_Port)");
2065                 break;
2066
2067         case 2:
2068                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
2069                     vha->host_no));
2070                 ha->operating_mode = P2P;
2071                 ha->current_topology = ISP_CFG_N;
2072                 strcpy(connect_type, "(N_Port-to-N_Port)");
2073                 break;
2074
2075         case 3:
2076                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
2077                     vha->host_no));
2078                 ha->switch_cap = sw_cap;
2079                 ha->operating_mode = P2P;
2080                 ha->current_topology = ISP_CFG_F;
2081                 strcpy(connect_type, "(F_Port)");
2082                 break;
2083
2084         default:
2085                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
2086                     "Using NL.\n",
2087                     vha->host_no, topo));
2088                 ha->current_topology = ISP_CFG_NL;
2089                 strcpy(connect_type, "(Loop)");
2090                 break;
2091         }
2092
2093         /* Save Host port and loop ID. */
2094         /* byte order - Big Endian */
2095         vha->d_id.b.domain = domain;
2096         vha->d_id.b.area = area;
2097         vha->d_id.b.al_pa = al_pa;
2098
2099         if (!vha->flags.init_done)
2100                 qla_printk(KERN_INFO, ha,
2101                     "Topology - %s, Host Loop address 0x%x\n",
2102                     connect_type, vha->loop_id);
2103
2104         if (rval) {
2105                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
2106         } else {
2107                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
2108         }
2109
2110         return(rval);
2111 }
2112
2113 inline void
2114 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2115         char *def)
2116 {
2117         char *st, *en;
2118         uint16_t index;
2119         struct qla_hw_data *ha = vha->hw;
2120         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2121             !IS_QLA8XXX_TYPE(ha);
2122
2123         if (memcmp(model, BINZERO, len) != 0) {
2124                 strncpy(ha->model_number, model, len);
2125                 st = en = ha->model_number;
2126                 en += len - 1;
2127                 while (en > st) {
2128                         if (*en != 0x20 && *en != 0x00)
2129                                 break;
2130                         *en-- = '\0';
2131                 }
2132
2133                 index = (ha->pdev->subsystem_device & 0xff);
2134                 if (use_tbl &&
2135                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2136                     index < QLA_MODEL_NAMES)
2137                         strncpy(ha->model_desc,
2138                             qla2x00_model_name[index * 2 + 1],
2139                             sizeof(ha->model_desc) - 1);
2140         } else {
2141                 index = (ha->pdev->subsystem_device & 0xff);
2142                 if (use_tbl &&
2143                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2144                     index < QLA_MODEL_NAMES) {
2145                         strcpy(ha->model_number,
2146                             qla2x00_model_name[index * 2]);
2147                         strncpy(ha->model_desc,
2148                             qla2x00_model_name[index * 2 + 1],
2149                             sizeof(ha->model_desc) - 1);
2150                 } else {
2151                         strcpy(ha->model_number, def);
2152                 }
2153         }
2154         if (IS_FWI2_CAPABLE(ha))
2155                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2156                     sizeof(ha->model_desc));
2157 }
2158
2159 /* On sparc systems, obtain port and node WWN from firmware
2160  * properties.
2161  */
2162 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2163 {
2164 #ifdef CONFIG_SPARC
2165         struct qla_hw_data *ha = vha->hw;
2166         struct pci_dev *pdev = ha->pdev;
2167         struct device_node *dp = pci_device_to_OF_node(pdev);
2168         const u8 *val;
2169         int len;
2170
2171         val = of_get_property(dp, "port-wwn", &len);
2172         if (val && len >= WWN_SIZE)
2173                 memcpy(nv->port_name, val, WWN_SIZE);
2174
2175         val = of_get_property(dp, "node-wwn", &len);
2176         if (val && len >= WWN_SIZE)
2177                 memcpy(nv->node_name, val, WWN_SIZE);
2178 #endif
2179 }
2180
2181 /*
2182 * NVRAM configuration for ISP 2xxx
2183 *
2184 * Input:
2185 *      ha                = adapter block pointer.
2186 *
2187 * Output:
2188 *      initialization control block in response_ring
2189 *      host adapters parameters in host adapter block
2190 *
2191 * Returns:
2192 *      0 = success.
2193 */
2194 int
2195 qla2x00_nvram_config(scsi_qla_host_t *vha)
2196 {
2197         int             rval;
2198         uint8_t         chksum = 0;
2199         uint16_t        cnt;
2200         uint8_t         *dptr1, *dptr2;
2201         struct qla_hw_data *ha = vha->hw;
2202         init_cb_t       *icb = ha->init_cb;
2203         nvram_t         *nv = ha->nvram;
2204         uint8_t         *ptr = ha->nvram;
2205         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2206
2207         rval = QLA_SUCCESS;
2208
2209         /* Determine NVRAM starting address. */
2210         ha->nvram_size = sizeof(nvram_t);
2211         ha->nvram_base = 0;
2212         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2213                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2214                         ha->nvram_base = 0x80;
2215
2216         /* Get NVRAM data and calculate checksum. */
2217         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2218         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2219                 chksum += *ptr++;
2220
2221         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
2222         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
2223
2224         /* Bad NVRAM data, set defaults parameters. */
2225         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2226             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2227                 /* Reset NVRAM data. */
2228                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
2229                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
2230                     nv->nvram_version);
2231                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
2232                     "invalid -- WWPN) defaults.\n");
2233
2234                 /*
2235                  * Set default initialization control block.
2236                  */
2237                 memset(nv, 0, ha->nvram_size);
2238                 nv->parameter_block_version = ICB_VERSION;
2239
2240                 if (IS_QLA23XX(ha)) {
2241                         nv->firmware_options[0] = BIT_2 | BIT_1;
2242                         nv->firmware_options[1] = BIT_7 | BIT_5;
2243                         nv->add_firmware_options[0] = BIT_5;
2244                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2245                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2246                         nv->special_options[1] = BIT_7;
2247                 } else if (IS_QLA2200(ha)) {
2248                         nv->firmware_options[0] = BIT_2 | BIT_1;
2249                         nv->firmware_options[1] = BIT_7 | BIT_5;
2250                         nv->add_firmware_options[0] = BIT_5;
2251                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2252                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2253                 } else if (IS_QLA2100(ha)) {
2254                         nv->firmware_options[0] = BIT_3 | BIT_1;
2255                         nv->firmware_options[1] = BIT_5;
2256                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2257                 }
2258
2259                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2260                 nv->execution_throttle = __constant_cpu_to_le16(16);
2261                 nv->retry_count = 8;
2262                 nv->retry_delay = 1;
2263
2264                 nv->port_name[0] = 33;
2265                 nv->port_name[3] = 224;
2266                 nv->port_name[4] = 139;
2267
2268                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2269
2270                 nv->login_timeout = 4;
2271
2272                 /*
2273                  * Set default host adapter parameters
2274                  */
2275                 nv->host_p[1] = BIT_2;
2276                 nv->reset_delay = 5;
2277                 nv->port_down_retry_count = 8;
2278                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2279                 nv->link_down_timeout = 60;
2280
2281                 rval = 1;
2282         }
2283
2284 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2285         /*
2286          * The SN2 does not provide BIOS emulation which means you can't change
2287          * potentially bogus BIOS settings. Force the use of default settings
2288          * for link rate and frame size.  Hope that the rest of the settings
2289          * are valid.
2290          */
2291         if (ia64_platform_is("sn2")) {
2292                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2293                 if (IS_QLA23XX(ha))
2294                         nv->special_options[1] = BIT_7;
2295         }
2296 #endif
2297
2298         /* Reset Initialization control block */
2299         memset(icb, 0, ha->init_cb_size);
2300
2301         /*
2302          * Setup driver NVRAM options.
2303          */
2304         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2305         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2306         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2307         nv->firmware_options[1] &= ~BIT_4;
2308
2309         if (IS_QLA23XX(ha)) {
2310                 nv->firmware_options[0] |= BIT_2;
2311                 nv->firmware_options[0] &= ~BIT_3;
2312                 nv->firmware_options[0] &= ~BIT_6;
2313                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2314
2315                 if (IS_QLA2300(ha)) {
2316                         if (ha->fb_rev == FPM_2310) {
2317                                 strcpy(ha->model_number, "QLA2310");
2318                         } else {
2319                                 strcpy(ha->model_number, "QLA2300");
2320                         }
2321                 } else {
2322                         qla2x00_set_model_info(vha, nv->model_number,
2323                             sizeof(nv->model_number), "QLA23xx");
2324                 }
2325         } else if (IS_QLA2200(ha)) {
2326                 nv->firmware_options[0] |= BIT_2;
2327                 /*
2328                  * 'Point-to-point preferred, else loop' is not a safe
2329                  * connection mode setting.
2330                  */
2331                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2332                     (BIT_5 | BIT_4)) {
2333                         /* Force 'loop preferred, else point-to-point'. */
2334                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2335                         nv->add_firmware_options[0] |= BIT_5;
2336                 }
2337                 strcpy(ha->model_number, "QLA22xx");
2338         } else /*if (IS_QLA2100(ha))*/ {
2339                 strcpy(ha->model_number, "QLA2100");
2340         }
2341
2342         /*
2343          * Copy over NVRAM RISC parameter block to initialization control block.
2344          */
2345         dptr1 = (uint8_t *)icb;
2346         dptr2 = (uint8_t *)&nv->parameter_block_version;
2347         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2348         while (cnt--)
2349                 *dptr1++ = *dptr2++;
2350
2351         /* Copy 2nd half. */
2352         dptr1 = (uint8_t *)icb->add_firmware_options;
2353         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2354         while (cnt--)
2355                 *dptr1++ = *dptr2++;
2356
2357         /* Use alternate WWN? */
2358         if (nv->host_p[1] & BIT_7) {
2359                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2360                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2361         }
2362
2363         /* Prepare nodename */
2364         if ((icb->firmware_options[1] & BIT_6) == 0) {
2365                 /*
2366                  * Firmware will apply the following mask if the nodename was
2367                  * not provided.
2368                  */
2369                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2370                 icb->node_name[0] &= 0xF0;
2371         }
2372
2373         /*
2374          * Set host adapter parameters.
2375          */
2376         if (nv->host_p[0] & BIT_7)
2377                 ql2xextended_error_logging = 1;
2378         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2379         /* Always load RISC code on non ISP2[12]00 chips. */
2380         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2381                 ha->flags.disable_risc_code_load = 0;
2382         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2383         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2384         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2385         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2386         ha->flags.disable_serdes = 0;
2387
2388         ha->operating_mode =
2389             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2390
2391         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2392             sizeof(ha->fw_seriallink_options));
2393
2394         /* save HBA serial number */
2395         ha->serial0 = icb->port_name[5];
2396         ha->serial1 = icb->port_name[6];
2397         ha->serial2 = icb->port_name[7];
2398         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2399         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2400
2401         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2402
2403         ha->retry_count = nv->retry_count;
2404
2405         /* Set minimum login_timeout to 4 seconds. */
2406         if (nv->login_timeout != ql2xlogintimeout)
2407                 nv->login_timeout = ql2xlogintimeout;
2408         if (nv->login_timeout < 4)
2409                 nv->login_timeout = 4;
2410         ha->login_timeout = nv->login_timeout;
2411         icb->login_timeout = nv->login_timeout;
2412
2413         /* Set minimum RATOV to 100 tenths of a second. */
2414         ha->r_a_tov = 100;
2415
2416         ha->loop_reset_delay = nv->reset_delay;
2417
2418         /* Link Down Timeout = 0:
2419          *
2420          *      When Port Down timer expires we will start returning
2421          *      I/O's to OS with "DID_NO_CONNECT".
2422          *
2423          * Link Down Timeout != 0:
2424          *
2425          *       The driver waits for the link to come up after link down
2426          *       before returning I/Os to OS with "DID_NO_CONNECT".
2427          */
2428         if (nv->link_down_timeout == 0) {
2429                 ha->loop_down_abort_time =
2430                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2431         } else {
2432                 ha->link_down_timeout =  nv->link_down_timeout;
2433                 ha->loop_down_abort_time =
2434                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2435         }
2436
2437         /*
2438          * Need enough time to try and get the port back.
2439          */
2440         ha->port_down_retry_count = nv->port_down_retry_count;
2441         if (qlport_down_retry)
2442                 ha->port_down_retry_count = qlport_down_retry;
2443         /* Set login_retry_count */
2444         ha->login_retry_count  = nv->retry_count;
2445         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2446             ha->port_down_retry_count > 3)
2447                 ha->login_retry_count = ha->port_down_retry_count;
2448         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2449                 ha->login_retry_count = ha->port_down_retry_count;
2450         if (ql2xloginretrycount)
2451                 ha->login_retry_count = ql2xloginretrycount;
2452
2453         icb->lun_enables = __constant_cpu_to_le16(0);
2454         icb->command_resource_count = 0;
2455         icb->immediate_notify_resource_count = 0;
2456         icb->timeout = __constant_cpu_to_le16(0);
2457
2458         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2459                 /* Enable RIO */
2460                 icb->firmware_options[0] &= ~BIT_3;
2461                 icb->add_firmware_options[0] &=
2462                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2463                 icb->add_firmware_options[0] |= BIT_2;
2464                 icb->response_accumulation_timer = 3;
2465                 icb->interrupt_delay_timer = 5;
2466
2467                 vha->flags.process_response_queue = 1;
2468         } else {
2469                 /* Enable ZIO. */
2470                 if (!vha->flags.init_done) {
2471                         ha->zio_mode = icb->add_firmware_options[0] &
2472                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2473                         ha->zio_timer = icb->interrupt_delay_timer ?
2474                             icb->interrupt_delay_timer: 2;
2475                 }
2476                 icb->add_firmware_options[0] &=
2477                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2478                 vha->flags.process_response_queue = 0;
2479                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2480                         ha->zio_mode = QLA_ZIO_MODE_6;
2481
2482                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2483                             "delay (%d us).\n", vha->host_no, ha->zio_mode,
2484                             ha->zio_timer * 100));
2485                         qla_printk(KERN_INFO, ha,
2486                             "ZIO mode %d enabled; timer delay (%d us).\n",
2487                             ha->zio_mode, ha->zio_timer * 100);
2488
2489                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2490                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2491                         vha->flags.process_response_queue = 1;
2492                 }
2493         }
2494
2495         if (rval) {
2496                 DEBUG2_3(printk(KERN_WARNING
2497                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2498         }
2499         return (rval);
2500 }
2501
2502 static void
2503 qla2x00_rport_del(void *data)
2504 {
2505         fc_port_t *fcport = data;
2506         struct fc_rport *rport;
2507
2508         spin_lock_irq(fcport->vha->host->host_lock);
2509         rport = fcport->drport ? fcport->drport: fcport->rport;
2510         fcport->drport = NULL;
2511         spin_unlock_irq(fcport->vha->host->host_lock);
2512         if (rport)
2513                 fc_remote_port_delete(rport);
2514 }
2515
2516 /**
2517  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2518  * @ha: HA context
2519  * @flags: allocation flags
2520  *
2521  * Returns a pointer to the allocated fcport, or NULL, if none available.
2522  */
2523 fc_port_t *
2524 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2525 {
2526         fc_port_t *fcport;
2527
2528         fcport = kzalloc(sizeof(fc_port_t), flags);
2529         if (!fcport)
2530                 return NULL;
2531
2532         /* Setup fcport template structure. */
2533         fcport->vha = vha;
2534         fcport->vp_idx = vha->vp_idx;
2535         fcport->port_type = FCT_UNKNOWN;
2536         fcport->loop_id = FC_NO_LOOP_ID;
2537         atomic_set(&fcport->state, FCS_UNCONFIGURED);
2538         fcport->supported_classes = FC_COS_UNSPECIFIED;
2539
2540         return fcport;
2541 }
2542
2543 /*
2544  * qla2x00_configure_loop
2545  *      Updates Fibre Channel Device Database with what is actually on loop.
2546  *
2547  * Input:
2548  *      ha                = adapter block pointer.
2549  *
2550  * Returns:
2551  *      0 = success.
2552  *      1 = error.
2553  *      2 = database was full and device was not configured.
2554  */
2555 static int
2556 qla2x00_configure_loop(scsi_qla_host_t *vha)
2557 {
2558         int  rval;
2559         unsigned long flags, save_flags;
2560         struct qla_hw_data *ha = vha->hw;
2561         rval = QLA_SUCCESS;
2562
2563         /* Get Initiator ID */
2564         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2565                 rval = qla2x00_configure_hba(vha);
2566                 if (rval != QLA_SUCCESS) {
2567                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2568                             vha->host_no));
2569                         return (rval);
2570                 }
2571         }
2572
2573         save_flags = flags = vha->dpc_flags;
2574         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2575             vha->host_no, flags));
2576
2577         /*
2578          * If we have both an RSCN and PORT UPDATE pending then handle them
2579          * both at the same time.
2580          */
2581         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2582         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2583
2584         qla2x00_get_data_rate(vha);
2585
2586         /* Determine what we need to do */
2587         if (ha->current_topology == ISP_CFG_FL &&
2588             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2589
2590                 vha->flags.rscn_queue_overflow = 1;
2591                 set_bit(RSCN_UPDATE, &flags);
2592
2593         } else if (ha->current_topology == ISP_CFG_F &&
2594             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2595
2596                 vha->flags.rscn_queue_overflow = 1;
2597                 set_bit(RSCN_UPDATE, &flags);
2598                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2599
2600         } else if (ha->current_topology == ISP_CFG_N) {
2601                 clear_bit(RSCN_UPDATE, &flags);
2602
2603         } else if (!vha->flags.online ||
2604             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2605
2606                 vha->flags.rscn_queue_overflow = 1;
2607                 set_bit(RSCN_UPDATE, &flags);
2608                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2609         }
2610
2611         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2612                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2613                         rval = QLA_FUNCTION_FAILED;
2614                 else
2615                         rval = qla2x00_configure_local_loop(vha);
2616         }
2617
2618         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2619                 if (LOOP_TRANSITION(vha))
2620                         rval = QLA_FUNCTION_FAILED;
2621                 else
2622                         rval = qla2x00_configure_fabric(vha);
2623         }
2624
2625         if (rval == QLA_SUCCESS) {
2626                 if (atomic_read(&vha->loop_down_timer) ||
2627                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2628                         rval = QLA_FUNCTION_FAILED;
2629                 } else {
2630                         atomic_set(&vha->loop_state, LOOP_READY);
2631
2632                         DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2633                 }
2634         }
2635
2636         if (rval) {
2637                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2638                     __func__, vha->host_no));
2639         } else {
2640                 DEBUG3(printk("%s: exiting normally\n", __func__));
2641         }
2642
2643         /* Restore state if a resync event occurred during processing */
2644         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2645                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2646                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2647                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2648                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2649                         if (!IS_ALOGIO_CAPABLE(ha))
2650                                 vha->flags.rscn_queue_overflow = 1;
2651                 }
2652         }
2653
2654         return (rval);
2655 }
2656
2657
2658
2659 /*
2660  * qla2x00_configure_local_loop
2661  *      Updates Fibre Channel Device Database with local loop devices.
2662  *
2663  * Input:
2664  *      ha = adapter block pointer.
2665  *
2666  * Returns:
2667  *      0 = success.
2668  */
2669 static int
2670 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2671 {
2672         int             rval, rval2;
2673         int             found_devs;
2674         int             found;
2675         fc_port_t       *fcport, *new_fcport;
2676
2677         uint16_t        index;
2678         uint16_t        entries;
2679         char            *id_iter;
2680         uint16_t        loop_id;
2681         uint8_t         domain, area, al_pa;
2682         struct qla_hw_data *ha = vha->hw;
2683
2684         found_devs = 0;
2685         new_fcport = NULL;
2686         entries = MAX_FIBRE_DEVICES;
2687
2688         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2689         DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2690
2691         /* Get list of logged in devices. */
2692         memset(ha->gid_list, 0, GID_LIST_SIZE);
2693         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2694             &entries);
2695         if (rval != QLA_SUCCESS)
2696                 goto cleanup_allocation;
2697
2698         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2699             vha->host_no, entries));
2700         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2701             entries * sizeof(struct gid_list_info)));
2702
2703         /* Allocate temporary fcport for any new fcports discovered. */
2704         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2705         if (new_fcport == NULL) {
2706                 rval = QLA_MEMORY_ALLOC_FAILED;
2707                 goto cleanup_allocation;
2708         }
2709         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2710
2711         /*
2712          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2713          */
2714         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2715                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2716                     fcport->port_type != FCT_BROADCAST &&
2717                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2718
2719                         DEBUG(printk("scsi(%ld): Marking port lost, "
2720                             "loop_id=0x%04x\n",
2721                             vha->host_no, fcport->loop_id));
2722
2723                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2724                 }
2725         }
2726
2727         /* Add devices to port list. */
2728         id_iter = (char *)ha->gid_list;
2729         for (index = 0; index < entries; index++) {
2730                 domain = ((struct gid_list_info *)id_iter)->domain;
2731                 area = ((struct gid_list_info *)id_iter)->area;
2732                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2733                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2734                         loop_id = (uint16_t)
2735                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2736                 else
2737                         loop_id = le16_to_cpu(
2738                             ((struct gid_list_info *)id_iter)->loop_id);
2739                 id_iter += ha->gid_list_info_size;
2740
2741                 /* Bypass reserved domain fields. */
2742                 if ((domain & 0xf0) == 0xf0)
2743                         continue;
2744
2745                 /* Bypass if not same domain and area of adapter. */
2746                 if (area && domain &&
2747                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2748                         continue;
2749
2750                 /* Bypass invalid local loop ID. */
2751                 if (loop_id > LAST_LOCAL_LOOP_ID)
2752                         continue;
2753
2754                 /* Fill in member data. */
2755                 new_fcport->d_id.b.domain = domain;
2756                 new_fcport->d_id.b.area = area;
2757                 new_fcport->d_id.b.al_pa = al_pa;
2758                 new_fcport->loop_id = loop_id;
2759                 new_fcport->vp_idx = vha->vp_idx;
2760                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2761                 if (rval2 != QLA_SUCCESS) {
2762                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2763                             "information -- get_port_database=%x, "
2764                             "loop_id=0x%04x\n",
2765                             vha->host_no, rval2, new_fcport->loop_id));
2766                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2767                             vha->host_no));
2768                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2769                         continue;
2770                 }
2771
2772                 /* Check for matching device in port list. */
2773                 found = 0;
2774                 fcport = NULL;
2775                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2776                         if (memcmp(new_fcport->port_name, fcport->port_name,
2777                             WWN_SIZE))
2778                                 continue;
2779
2780                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2781                         fcport->loop_id = new_fcport->loop_id;
2782                         fcport->port_type = new_fcport->port_type;
2783                         fcport->d_id.b24 = new_fcport->d_id.b24;
2784                         memcpy(fcport->node_name, new_fcport->node_name,
2785                             WWN_SIZE);
2786
2787                         found++;
2788                         break;
2789                 }
2790
2791                 if (!found) {
2792                         /* New device, add to fcports list. */
2793                         if (vha->vp_idx) {
2794                                 new_fcport->vha = vha;
2795                                 new_fcport->vp_idx = vha->vp_idx;
2796                         }
2797                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2798
2799                         /* Allocate a new replacement fcport. */
2800                         fcport = new_fcport;
2801                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2802                         if (new_fcport == NULL) {
2803                                 rval = QLA_MEMORY_ALLOC_FAILED;
2804                                 goto cleanup_allocation;
2805                         }
2806                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2807                 }
2808
2809                 /* Base iIDMA settings on HBA port speed. */
2810                 fcport->fp_speed = ha->link_data_rate;
2811
2812                 qla2x00_update_fcport(vha, fcport);
2813
2814                 found_devs++;
2815         }
2816
2817 cleanup_allocation:
2818         kfree(new_fcport);
2819
2820         if (rval != QLA_SUCCESS) {
2821                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2822                     "rval=%x\n", vha->host_no, rval));
2823         }
2824
2825         return (rval);
2826 }
2827
2828 static void
2829 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2830 {
2831 #define LS_UNKNOWN      2
2832         static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2833         char *link_speed;
2834         int rval;
2835         uint16_t mb[4];
2836         struct qla_hw_data *ha = vha->hw;
2837
2838         if (!IS_IIDMA_CAPABLE(ha))
2839                 return;
2840
2841         if (atomic_read(&fcport->state) != FCS_ONLINE)
2842                 return;
2843
2844         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2845             fcport->fp_speed > ha->link_data_rate)
2846                 return;
2847
2848         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2849             mb);
2850         if (rval != QLA_SUCCESS) {
2851                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2852                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2853                     vha->host_no, fcport->port_name[0], fcport->port_name[1],
2854                     fcport->port_name[2], fcport->port_name[3],
2855                     fcport->port_name[4], fcport->port_name[5],
2856                     fcport->port_name[6], fcport->port_name[7], rval,
2857                     fcport->fp_speed, mb[0], mb[1]));
2858         } else {
2859                 link_speed = link_speeds[LS_UNKNOWN];
2860                 if (fcport->fp_speed < 5)
2861                         link_speed = link_speeds[fcport->fp_speed];
2862                 else if (fcport->fp_speed == 0x13)
2863                         link_speed = link_speeds[5];
2864                 DEBUG2(qla_printk(KERN_INFO, ha,
2865                     "iIDMA adjusted to %s GB/s on "
2866                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2867                     link_speed, fcport->port_name[0],
2868                     fcport->port_name[1], fcport->port_name[2],
2869                     fcport->port_name[3], fcport->port_name[4],
2870                     fcport->port_name[5], fcport->port_name[6],
2871                     fcport->port_name[7]));
2872         }
2873 }
2874
2875 static void
2876 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2877 {
2878         struct fc_rport_identifiers rport_ids;
2879         struct fc_rport *rport;
2880         struct qla_hw_data *ha = vha->hw;
2881
2882         qla2x00_rport_del(fcport);
2883
2884         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2885         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2886         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2887             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2888         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2889         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2890         if (!rport) {
2891                 qla_printk(KERN_WARNING, ha,
2892                     "Unable to allocate fc remote port!\n");
2893                 return;
2894         }
2895         spin_lock_irq(fcport->vha->host->host_lock);
2896         *((fc_port_t **)rport->dd_data) = fcport;
2897         spin_unlock_irq(fcport->vha->host->host_lock);
2898
2899         rport->supported_classes = fcport->supported_classes;
2900
2901         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2902         if (fcport->port_type == FCT_INITIATOR)
2903                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2904         if (fcport->port_type == FCT_TARGET)
2905                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2906         fc_remote_port_rolechg(rport, rport_ids.roles);
2907 }
2908
2909 /*
2910  * qla2x00_update_fcport
2911  *      Updates device on list.
2912  *
2913  * Input:
2914  *      ha = adapter block pointer.
2915  *      fcport = port structure pointer.
2916  *
2917  * Return:
2918  *      0  - Success
2919  *  BIT_0 - error
2920  *
2921  * Context:
2922  *      Kernel context.
2923  */
2924 void
2925 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2926 {
2927         fcport->vha = vha;
2928         fcport->login_retry = 0;
2929         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2930
2931         qla2x00_iidma_fcport(vha, fcport);
2932         qla24xx_update_fcport_fcp_prio(vha, fcport);
2933         qla2x00_reg_remote_port(vha, fcport);
2934         atomic_set(&fcport->state, FCS_ONLINE);
2935 }
2936
2937 /*
2938  * qla2x00_configure_fabric
2939  *      Setup SNS devices with loop ID's.
2940  *
2941  * Input:
2942  *      ha = adapter block pointer.
2943  *
2944  * Returns:
2945  *      0 = success.
2946  *      BIT_0 = error
2947  */
2948 static int
2949 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2950 {
2951         int     rval, rval2;
2952         fc_port_t       *fcport, *fcptemp;
2953         uint16_t        next_loopid;
2954         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2955         uint16_t        loop_id;
2956         LIST_HEAD(new_fcports);
2957         struct qla_hw_data *ha = vha->hw;
2958         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2959
2960         /* If FL port exists, then SNS is present */
2961         if (IS_FWI2_CAPABLE(ha))
2962                 loop_id = NPH_F_PORT;
2963         else
2964                 loop_id = SNS_FL_PORT;
2965         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2966         if (rval != QLA_SUCCESS) {
2967                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2968                     "Port\n", vha->host_no));
2969
2970                 vha->device_flags &= ~SWITCH_FOUND;
2971                 return (QLA_SUCCESS);
2972         }
2973         vha->device_flags |= SWITCH_FOUND;
2974
2975         /* Mark devices that need re-synchronization. */
2976         rval2 = qla2x00_device_resync(vha);
2977         if (rval2 == QLA_RSCNS_HANDLED) {
2978                 /* No point doing the scan, just continue. */
2979                 return (QLA_SUCCESS);
2980         }
2981         do {
2982                 /* FDMI support. */
2983                 if (ql2xfdmienable &&
2984                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2985                         qla2x00_fdmi_register(vha);
2986
2987                 /* Ensure we are logged into the SNS. */
2988                 if (IS_FWI2_CAPABLE(ha))
2989                         loop_id = NPH_SNS;
2990                 else
2991                         loop_id = SIMPLE_NAME_SERVER;
2992                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2993                     0xfc, mb, BIT_1 | BIT_0);
2994                 if (mb[0] != MBS_COMMAND_COMPLETE) {
2995                         DEBUG2(qla_printk(KERN_INFO, ha,
2996                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2997                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2998                             mb[0], mb[1], mb[2], mb[6], mb[7]));
2999                         return (QLA_SUCCESS);
3000                 }
3001
3002                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3003                         if (qla2x00_rft_id(vha)) {
3004                                 /* EMPTY */
3005                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
3006                                     "TYPE failed.\n", vha->host_no));
3007                         }
3008                         if (qla2x00_rff_id(vha)) {
3009                                 /* EMPTY */
3010                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
3011                                     "Features failed.\n", vha->host_no));
3012                         }
3013                         if (qla2x00_rnn_id(vha)) {
3014                                 /* EMPTY */
3015                                 DEBUG2(printk("scsi(%ld): Register Node Name "
3016                                     "failed.\n", vha->host_no));
3017                         } else if (qla2x00_rsnn_nn(vha)) {
3018                                 /* EMPTY */
3019                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
3020                                     "Node Name failed.\n", vha->host_no));
3021                         }
3022                 }
3023
3024                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3025                 if (rval != QLA_SUCCESS)
3026                         break;
3027
3028                 /*
3029                  * Logout all previous fabric devices marked lost, except
3030                  * FCP2 devices.
3031                  */
3032                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3033                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3034                                 break;
3035
3036                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3037                                 continue;
3038
3039                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3040                                 qla2x00_mark_device_lost(vha, fcport,
3041                                     ql2xplogiabsentdevice, 0);
3042                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3043                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3044                                     fcport->port_type != FCT_INITIATOR &&
3045                                     fcport->port_type != FCT_BROADCAST) {
3046                                         ha->isp_ops->fabric_logout(vha,
3047                                             fcport->loop_id,
3048                                             fcport->d_id.b.domain,
3049                                             fcport->d_id.b.area,
3050                                             fcport->d_id.b.al_pa);
3051                                         fcport->loop_id = FC_NO_LOOP_ID;
3052                                 }
3053                         }
3054                 }
3055
3056                 /* Starting free loop ID. */
3057                 next_loopid = ha->min_external_loopid;
3058
3059                 /*
3060                  * Scan through our port list and login entries that need to be
3061                  * logged in.
3062                  */
3063                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3064                         if (atomic_read(&vha->loop_down_timer) ||
3065                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3066                                 break;
3067
3068                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3069                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3070                                 continue;
3071
3072                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3073                                 fcport->loop_id = next_loopid;
3074                                 rval = qla2x00_find_new_loop_id(
3075                                     base_vha, fcport);
3076                                 if (rval != QLA_SUCCESS) {
3077                                         /* Ran out of IDs to use */
3078                                         break;
3079                                 }
3080                         }
3081                         /* Login and update database */
3082                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3083                 }
3084
3085                 /* Exit if out of loop IDs. */
3086                 if (rval != QLA_SUCCESS) {
3087                         break;
3088                 }
3089
3090                 /*
3091                  * Login and add the new devices to our port list.
3092                  */
3093                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3094                         if (atomic_read(&vha->loop_down_timer) ||
3095                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3096                                 break;
3097
3098                         /* Find a new loop ID to use. */
3099                         fcport->loop_id = next_loopid;
3100                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3101                         if (rval != QLA_SUCCESS) {
3102                                 /* Ran out of IDs to use */
3103                                 break;
3104                         }
3105
3106                         /* Login and update database */
3107                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3108
3109                         if (vha->vp_idx) {
3110                                 fcport->vha = vha;
3111                                 fcport->vp_idx = vha->vp_idx;
3112                         }
3113                         list_move_tail(&fcport->list, &vha->vp_fcports);
3114                 }
3115         } while (0);
3116
3117         /* Free all new device structures not processed. */
3118         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3119                 list_del(&fcport->list);
3120                 kfree(fcport);
3121         }
3122
3123         if (rval) {
3124                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
3125                     "rval=%d\n", vha->host_no, rval));
3126         }
3127
3128         return (rval);
3129 }
3130
3131 /*
3132  * qla2x00_find_all_fabric_devs
3133  *
3134  * Input:
3135  *      ha = adapter block pointer.
3136  *      dev = database device entry pointer.
3137  *
3138  * Returns:
3139  *      0 = success.
3140  *
3141  * Context:
3142  *      Kernel context.
3143  */
3144 static int
3145 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3146         struct list_head *new_fcports)
3147 {
3148         int             rval;
3149         uint16_t        loop_id;
3150         fc_port_t       *fcport, *new_fcport, *fcptemp;
3151         int             found;
3152
3153         sw_info_t       *swl;
3154         int             swl_idx;
3155         int             first_dev, last_dev;
3156         port_id_t       wrap = {}, nxt_d_id;
3157         struct qla_hw_data *ha = vha->hw;
3158         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3159         struct scsi_qla_host *tvp;
3160
3161         rval = QLA_SUCCESS;
3162
3163         /* Try GID_PT to get device list, else GAN. */
3164         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
3165         if (!swl) {
3166                 /*EMPTY*/
3167                 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
3168                     "on GA_NXT\n", vha->host_no));
3169         } else {
3170                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3171                         kfree(swl);
3172                         swl = NULL;
3173                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3174                         kfree(swl);
3175                         swl = NULL;
3176                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3177                         kfree(swl);
3178                         swl = NULL;
3179                 } else if (ql2xiidmaenable &&
3180                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3181                         qla2x00_gpsc(vha, swl);
3182                 }
3183
3184                 /* If other queries succeeded probe for FC-4 type */
3185                 if (swl)
3186                         qla2x00_gff_id(vha, swl);
3187         }
3188         swl_idx = 0;
3189
3190         /* Allocate temporary fcport for any new fcports discovered. */
3191         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3192         if (new_fcport == NULL) {
3193                 kfree(swl);
3194                 return (QLA_MEMORY_ALLOC_FAILED);
3195         }
3196         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3197         /* Set start port ID scan at adapter ID. */
3198         first_dev = 1;
3199         last_dev = 0;
3200
3201         /* Starting free loop ID. */
3202         loop_id = ha->min_external_loopid;
3203         for (; loop_id <= ha->max_loop_id; loop_id++) {
3204                 if (qla2x00_is_reserved_id(vha, loop_id))
3205                         continue;
3206
3207                 if (ha->current_topology == ISP_CFG_FL &&
3208                     (atomic_read(&vha->loop_down_timer) ||
3209                      LOOP_TRANSITION(vha))) {
3210                         atomic_set(&vha->loop_down_timer, 0);
3211                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3212                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3213                         break;
3214                 }
3215
3216                 if (swl != NULL) {
3217                         if (last_dev) {
3218                                 wrap.b24 = new_fcport->d_id.b24;
3219                         } else {
3220                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3221                                 memcpy(new_fcport->node_name,
3222                                     swl[swl_idx].node_name, WWN_SIZE);
3223                                 memcpy(new_fcport->port_name,
3224                                     swl[swl_idx].port_name, WWN_SIZE);
3225                                 memcpy(new_fcport->fabric_port_name,
3226                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3227                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3228                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3229
3230                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3231                                         last_dev = 1;
3232                                 }
3233                                 swl_idx++;
3234                         }
3235                 } else {
3236                         /* Send GA_NXT to the switch */
3237                         rval = qla2x00_ga_nxt(vha, new_fcport);
3238                         if (rval != QLA_SUCCESS) {
3239                                 qla_printk(KERN_WARNING, ha,
3240                                     "SNS scan failed -- assuming zero-entry "
3241                                     "result...\n");
3242                                 list_for_each_entry_safe(fcport, fcptemp,
3243                                     new_fcports, list) {
3244                                         list_del(&fcport->list);
3245                                         kfree(fcport);
3246                                 }
3247                                 rval = QLA_SUCCESS;
3248                                 break;
3249                         }
3250                 }
3251
3252                 /* If wrap on switch device list, exit. */
3253                 if (first_dev) {
3254                         wrap.b24 = new_fcport->d_id.b24;
3255                         first_dev = 0;
3256                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3257                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
3258                             vha->host_no, new_fcport->d_id.b.domain,
3259                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
3260                         break;
3261                 }
3262
3263                 /* Bypass if same physical adapter. */
3264                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3265                         continue;
3266
3267                 /* Bypass virtual ports of the same host. */
3268                 found = 0;
3269                 if (ha->num_vhosts) {
3270                         unsigned long flags;
3271
3272                         spin_lock_irqsave(&ha->vport_slock, flags);
3273                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3274                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3275                                         found = 1;
3276                                         break;
3277                                 }
3278                         }
3279                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3280
3281                         if (found)
3282                                 continue;
3283                 }
3284
3285                 /* Bypass if same domain and area of adapter. */
3286                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3287                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3288                         ISP_CFG_FL)
3289                             continue;
3290
3291                 /* Bypass reserved domain fields. */
3292                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3293                         continue;
3294
3295                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3296                 if (ql2xgffidenable &&
3297                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3298                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3299                         continue;
3300
3301                 /* Locate matching device in database. */
3302                 found = 0;
3303                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3304                         if (memcmp(new_fcport->port_name, fcport->port_name,
3305                             WWN_SIZE))
3306                                 continue;
3307
3308                         found++;
3309
3310                         /* Update port state. */
3311                         memcpy(fcport->fabric_port_name,
3312                             new_fcport->fabric_port_name, WWN_SIZE);
3313                         fcport->fp_speed = new_fcport->fp_speed;
3314
3315                         /*
3316                          * If address the same and state FCS_ONLINE, nothing
3317                          * changed.
3318                          */
3319                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3320                             atomic_read(&fcport->state) == FCS_ONLINE) {
3321                                 break;
3322                         }
3323
3324                         /*
3325                          * If device was not a fabric device before.
3326                          */
3327                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3328                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3329                                 fcport->loop_id = FC_NO_LOOP_ID;
3330                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3331                                     FCF_LOGIN_NEEDED);
3332                                 break;
3333                         }
3334
3335                         /*
3336                          * Port ID changed or device was marked to be updated;
3337                          * Log it out if still logged in and mark it for
3338                          * relogin later.
3339                          */
3340                         fcport->d_id.b24 = new_fcport->d_id.b24;
3341                         fcport->flags |= FCF_LOGIN_NEEDED;
3342                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3343                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3344                             fcport->port_type != FCT_INITIATOR &&
3345                             fcport->port_type != FCT_BROADCAST) {
3346                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3347                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3348                                     fcport->d_id.b.al_pa);
3349                                 fcport->loop_id = FC_NO_LOOP_ID;
3350                         }
3351
3352                         break;
3353                 }
3354
3355                 if (found)
3356                         continue;
3357                 /* If device was not in our fcports list, then add it. */
3358                 list_add_tail(&new_fcport->list, new_fcports);
3359
3360                 /* Allocate a new replacement fcport. */
3361                 nxt_d_id.b24 = new_fcport->d_id.b24;
3362                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3363                 if (new_fcport == NULL) {
3364                         kfree(swl);
3365                         return (QLA_MEMORY_ALLOC_FAILED);
3366                 }
3367                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3368                 new_fcport->d_id.b24 = nxt_d_id.b24;
3369         }
3370
3371         kfree(swl);
3372         kfree(new_fcport);
3373
3374         return (rval);
3375 }
3376
3377 /*
3378  * qla2x00_find_new_loop_id
3379  *      Scan through our port list and find a new usable loop ID.
3380  *
3381  * Input:
3382  *      ha:     adapter state pointer.
3383  *      dev:    port structure pointer.
3384  *
3385  * Returns:
3386  *      qla2x00 local function return status code.
3387  *
3388  * Context:
3389  *      Kernel context.
3390  */
3391 static int
3392 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3393 {
3394         int     rval;
3395         int     found;
3396         fc_port_t *fcport;
3397         uint16_t first_loop_id;
3398         struct qla_hw_data *ha = vha->hw;
3399         struct scsi_qla_host *vp;
3400         struct scsi_qla_host *tvp;
3401         unsigned long flags = 0;
3402
3403         rval = QLA_SUCCESS;
3404
3405         /* Save starting loop ID. */
3406         first_loop_id = dev->loop_id;
3407
3408         for (;;) {
3409                 /* Skip loop ID if already used by adapter. */
3410                 if (dev->loop_id == vha->loop_id)
3411                         dev->loop_id++;
3412
3413                 /* Skip reserved loop IDs. */
3414                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3415                         dev->loop_id++;
3416
3417                 /* Reset loop ID if passed the end. */
3418                 if (dev->loop_id > ha->max_loop_id) {
3419                         /* first loop ID. */
3420                         dev->loop_id = ha->min_external_loopid;
3421                 }
3422
3423                 /* Check for loop ID being already in use. */
3424                 found = 0;
3425                 fcport = NULL;
3426
3427                 spin_lock_irqsave(&ha->vport_slock, flags);
3428                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3429                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
3430                                 if (fcport->loop_id == dev->loop_id &&
3431                                                                 fcport != dev) {
3432                                         /* ID possibly in use */
3433                                         found++;
3434                                         break;
3435                                 }
3436                         }
3437                         if (found)
3438                                 break;
3439                 }
3440                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3441
3442                 /* If not in use then it is free to use. */
3443                 if (!found) {
3444                         break;
3445                 }
3446
3447                 /* ID in use. Try next value. */
3448                 dev->loop_id++;
3449
3450                 /* If wrap around. No free ID to use. */
3451                 if (dev->loop_id == first_loop_id) {
3452                         dev->loop_id = FC_NO_LOOP_ID;
3453                         rval = QLA_FUNCTION_FAILED;
3454                         break;
3455                 }
3456         }
3457
3458         return (rval);
3459 }
3460
3461 /*
3462  * qla2x00_device_resync
3463  *      Marks devices in the database that needs resynchronization.
3464  *
3465  * Input:
3466  *      ha = adapter block pointer.
3467  *
3468  * Context:
3469  *      Kernel context.
3470  */
3471 static int
3472 qla2x00_device_resync(scsi_qla_host_t *vha)
3473 {
3474         int     rval;
3475         uint32_t mask;
3476         fc_port_t *fcport;
3477         uint32_t rscn_entry;
3478         uint8_t rscn_out_iter;
3479         uint8_t format;
3480         port_id_t d_id = {};
3481
3482         rval = QLA_RSCNS_HANDLED;
3483
3484         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3485             vha->flags.rscn_queue_overflow) {
3486
3487                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3488                 format = MSB(MSW(rscn_entry));
3489                 d_id.b.domain = LSB(MSW(rscn_entry));
3490                 d_id.b.area = MSB(LSW(rscn_entry));
3491                 d_id.b.al_pa = LSB(LSW(rscn_entry));
3492
3493                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3494                     "[%02x/%02x%02x%02x].\n",
3495                     vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3496                     d_id.b.area, d_id.b.al_pa));
3497
3498                 vha->rscn_out_ptr++;
3499                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3500                         vha->rscn_out_ptr = 0;
3501
3502                 /* Skip duplicate entries. */
3503                 for (rscn_out_iter = vha->rscn_out_ptr;
3504                     !vha->flags.rscn_queue_overflow &&
3505                     rscn_out_iter != vha->rscn_in_ptr;
3506                     rscn_out_iter = (rscn_out_iter ==
3507                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3508
3509                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3510                                 break;
3511
3512                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3513                             "entry found at [%d].\n", vha->host_no,
3514                             rscn_out_iter));
3515
3516                         vha->rscn_out_ptr = rscn_out_iter;
3517                 }
3518
3519                 /* Queue overflow, set switch default case. */
3520                 if (vha->flags.rscn_queue_overflow) {
3521                         DEBUG(printk("scsi(%ld): device_resync: rscn "
3522                             "overflow.\n", vha->host_no));
3523
3524                         format = 3;
3525                         vha->flags.rscn_queue_overflow = 0;
3526                 }
3527
3528                 switch (format) {
3529                 case 0:
3530                         mask = 0xffffff;
3531                         break;
3532                 case 1:
3533                         mask = 0xffff00;
3534                         break;
3535                 case 2:
3536                         mask = 0xff0000;
3537                         break;
3538                 default:
3539                         mask = 0x0;
3540                         d_id.b24 = 0;
3541                         vha->rscn_out_ptr = vha->rscn_in_ptr;
3542                         break;
3543                 }
3544
3545                 rval = QLA_SUCCESS;
3546
3547                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3548                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3549                             (fcport->d_id.b24 & mask) != d_id.b24 ||
3550                             fcport->port_type == FCT_BROADCAST)
3551                                 continue;
3552
3553                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
3554                                 if (format != 3 ||
3555                                     fcport->port_type != FCT_INITIATOR) {
3556                                         qla2x00_mark_device_lost(vha, fcport,
3557                                             0, 0);
3558                                 }
3559                         }
3560                 }
3561         }
3562         return (rval);
3563 }
3564
3565 /*
3566  * qla2x00_fabric_dev_login
3567  *      Login fabric target device and update FC port database.
3568  *
3569  * Input:
3570  *      ha:             adapter state pointer.
3571  *      fcport:         port structure list pointer.
3572  *      next_loopid:    contains value of a new loop ID that can be used
3573  *                      by the next login attempt.
3574  *
3575  * Returns:
3576  *      qla2x00 local function return status code.
3577  *
3578  * Context:
3579  *      Kernel context.
3580  */
3581 static int
3582 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3583     uint16_t *next_loopid)
3584 {
3585         int     rval;
3586         int     retry;
3587         uint8_t opts;
3588         struct qla_hw_data *ha = vha->hw;
3589
3590         rval = QLA_SUCCESS;
3591         retry = 0;
3592
3593         if (IS_ALOGIO_CAPABLE(ha)) {
3594                 if (fcport->flags & FCF_ASYNC_SENT)
3595                         return rval;
3596                 fcport->flags |= FCF_ASYNC_SENT;
3597                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3598                 if (!rval)
3599                         return rval;
3600         }
3601
3602         fcport->flags &= ~FCF_ASYNC_SENT;
3603         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3604         if (rval == QLA_SUCCESS) {
3605                 /* Send an ADISC to FCP2 devices.*/
3606                 opts = 0;
3607                 if (fcport->flags & FCF_FCP2_DEVICE)
3608                         opts |= BIT_1;
3609                 rval = qla2x00_get_port_database(vha, fcport, opts);
3610                 if (rval != QLA_SUCCESS) {
3611                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3612                             fcport->d_id.b.domain, fcport->d_id.b.area,
3613                             fcport->d_id.b.al_pa);
3614                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3615                 } else {
3616                         qla2x00_update_fcport(vha, fcport);
3617                 }
3618         }
3619
3620         return (rval);
3621 }
3622
3623 /*
3624  * qla2x00_fabric_login
3625  *      Issue fabric login command.
3626  *
3627  * Input:
3628  *      ha = adapter block pointer.
3629  *      device = pointer to FC device type structure.
3630  *
3631  * Returns:
3632  *      0 - Login successfully
3633  *      1 - Login failed
3634  *      2 - Initiator device
3635  *      3 - Fatal error
3636  */
3637 int
3638 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3639     uint16_t *next_loopid)
3640 {
3641         int     rval;
3642         int     retry;
3643         uint16_t tmp_loopid;
3644         uint16_t mb[MAILBOX_REGISTER_COUNT];
3645         struct qla_hw_data *ha = vha->hw;
3646
3647         retry = 0;
3648         tmp_loopid = 0;
3649
3650         for (;;) {
3651                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3652                     "for port %02x%02x%02x.\n",
3653                     vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3654                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3655
3656                 /* Login fcport on switch. */
3657                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3658                     fcport->d_id.b.domain, fcport->d_id.b.area,
3659                     fcport->d_id.b.al_pa, mb, BIT_0);
3660                 if (mb[0] == MBS_PORT_ID_USED) {
3661                         /*
3662                          * Device has another loop ID.  The firmware team
3663                          * recommends the driver perform an implicit login with
3664                          * the specified ID again. The ID we just used is save
3665                          * here so we return with an ID that can be tried by
3666                          * the next login.
3667                          */
3668                         retry++;
3669                         tmp_loopid = fcport->loop_id;
3670                         fcport->loop_id = mb[1];
3671
3672                         DEBUG(printk("Fabric Login: port in use - next "
3673                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3674                             fcport->loop_id, fcport->d_id.b.domain,
3675                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3676
3677                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3678                         /*
3679                          * Login succeeded.
3680                          */
3681                         if (retry) {
3682                                 /* A retry occurred before. */
3683                                 *next_loopid = tmp_loopid;
3684                         } else {
3685                                 /*
3686                                  * No retry occurred before. Just increment the
3687                                  * ID value for next login.
3688                                  */
3689                                 *next_loopid = (fcport->loop_id + 1);
3690                         }
3691
3692                         if (mb[1] & BIT_0) {
3693                                 fcport->port_type = FCT_INITIATOR;
3694                         } else {
3695                                 fcport->port_type = FCT_TARGET;
3696                                 if (mb[1] & BIT_1) {
3697                                         fcport->flags |= FCF_FCP2_DEVICE;
3698                                 }
3699                         }
3700
3701                         if (mb[10] & BIT_0)
3702                                 fcport->supported_classes |= FC_COS_CLASS2;
3703                         if (mb[10] & BIT_1)
3704                                 fcport->supported_classes |= FC_COS_CLASS3;
3705
3706                         rval = QLA_SUCCESS;
3707                         break;
3708                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3709                         /*
3710                          * Loop ID already used, try next loop ID.
3711                          */
3712                         fcport->loop_id++;
3713                         rval = qla2x00_find_new_loop_id(vha, fcport);
3714                         if (rval != QLA_SUCCESS) {
3715                                 /* Ran out of loop IDs to use */
3716                                 break;
3717                         }
3718                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3719                         /*
3720                          * Firmware possibly timed out during login. If NO
3721                          * retries are left to do then the device is declared
3722                          * dead.
3723                          */
3724                         *next_loopid = fcport->loop_id;
3725                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3726                             fcport->d_id.b.domain, fcport->d_id.b.area,
3727                             fcport->d_id.b.al_pa);
3728                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3729
3730                         rval = 1;
3731                         break;
3732                 } else {
3733                         /*
3734                          * unrecoverable / not handled error
3735                          */
3736                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3737                             "loop_id=%x jiffies=%lx.\n",
3738                             __func__, vha->host_no, mb[0],
3739                             fcport->d_id.b.domain, fcport->d_id.b.area,
3740                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3741
3742                         *next_loopid = fcport->loop_id;
3743                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3744                             fcport->d_id.b.domain, fcport->d_id.b.area,
3745                             fcport->d_id.b.al_pa);
3746                         fcport->loop_id = FC_NO_LOOP_ID;
3747                         fcport->login_retry = 0;
3748
3749                         rval = 3;
3750                         break;
3751                 }
3752         }
3753
3754         return (rval);
3755 }
3756
3757 /*
3758  * qla2x00_local_device_login
3759  *      Issue local device login command.
3760  *
3761  * Input:
3762  *      ha = adapter block pointer.
3763  *      loop_id = loop id of device to login to.
3764  *
3765  * Returns (Where's the #define!!!!):
3766  *      0 - Login successfully
3767  *      1 - Login failed
3768  *      3 - Fatal error
3769  */
3770 int
3771 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3772 {
3773         int             rval;
3774         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3775
3776         memset(mb, 0, sizeof(mb));
3777         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3778         if (rval == QLA_SUCCESS) {
3779                 /* Interrogate mailbox registers for any errors */
3780                 if (mb[0] == MBS_COMMAND_ERROR)
3781                         rval = 1;
3782                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3783                         /* device not in PCB table */
3784                         rval = 3;
3785         }
3786
3787         return (rval);
3788 }
3789
3790 /*
3791  *  qla2x00_loop_resync
3792  *      Resync with fibre channel devices.
3793  *
3794  * Input:
3795  *      ha = adapter block pointer.
3796  *
3797  * Returns:
3798  *      0 = success
3799  */
3800 int
3801 qla2x00_loop_resync(scsi_qla_host_t *vha)
3802 {
3803         int rval = QLA_SUCCESS;
3804         uint32_t wait_time;
3805         struct req_que *req;
3806         struct rsp_que *rsp;
3807
3808         if (vha->hw->flags.cpu_affinity_enabled)
3809                 req = vha->hw->req_q_map[0];
3810         else
3811                 req = vha->req;
3812         rsp = req->rsp;
3813
3814         atomic_set(&vha->loop_state, LOOP_UPDATE);
3815         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3816         if (vha->flags.online) {
3817                 if (!(rval = qla2x00_fw_ready(vha))) {
3818                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3819                         wait_time = 256;
3820                         do {
3821                                 atomic_set(&vha->loop_state, LOOP_UPDATE);
3822
3823                                 /* Issue a marker after FW becomes ready. */
3824                                 qla2x00_marker(vha, req, rsp, 0, 0,
3825                                         MK_SYNC_ALL);
3826                                 vha->marker_needed = 0;
3827
3828                                 /* Remap devices on Loop. */
3829                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3830
3831                                 qla2x00_configure_loop(vha);
3832                                 wait_time--;
3833                         } while (!atomic_read(&vha->loop_down_timer) &&
3834                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3835                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3836                                 &vha->dpc_flags)));
3837                 }
3838         }
3839
3840         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3841                 return (QLA_FUNCTION_FAILED);
3842
3843         if (rval)
3844                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3845
3846         return (rval);
3847 }
3848
3849 /*
3850 * qla2x00_perform_loop_resync
3851 * Description: This function will set the appropriate flags and call
3852 *              qla2x00_loop_resync. If successful loop will be resynced
3853 * Arguments : scsi_qla_host_t pointer
3854 * returm    : Success or Failure
3855 */
3856
3857 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3858 {
3859         int32_t rval = 0;
3860
3861         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3862                 /*Configure the flags so that resync happens properly*/
3863                 atomic_set(&ha->loop_down_timer, 0);
3864                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3865                         atomic_set(&ha->loop_state, LOOP_UP);
3866                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3867                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3868                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3869
3870                         rval = qla2x00_loop_resync(ha);
3871                 } else
3872                         atomic_set(&ha->loop_state, LOOP_DEAD);
3873
3874                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3875         }
3876
3877         return rval;
3878 }
3879
3880 void
3881 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3882 {
3883         fc_port_t *fcport;
3884         struct scsi_qla_host *vha;
3885         struct qla_hw_data *ha = base_vha->hw;
3886         unsigned long flags;
3887
3888         spin_lock_irqsave(&ha->vport_slock, flags);
3889         /* Go with deferred removal of rport references. */
3890         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3891                 atomic_inc(&vha->vref_count);
3892                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3893                         if (fcport->drport &&
3894                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3895                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3896
3897                                 qla2x00_rport_del(fcport);
3898
3899                                 spin_lock_irqsave(&ha->vport_slock, flags);
3900                         }
3901                 }
3902                 atomic_dec(&vha->vref_count);
3903         }
3904         spin_unlock_irqrestore(&ha->vport_slock, flags);
3905 }
3906
3907 /*
3908 * qla82xx_quiescent_state_cleanup
3909 * Description: This function will block the new I/Os
3910 *              Its not aborting any I/Os as context
3911 *              is not destroyed during quiescence
3912 * Arguments: scsi_qla_host_t
3913 * return   : void
3914 */
3915 void
3916 qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3917 {
3918         struct qla_hw_data *ha = vha->hw;
3919         struct scsi_qla_host *vp;
3920
3921         qla_printk(KERN_INFO, ha,
3922                         "Performing ISP error recovery - ha= %p.\n", ha);
3923
3924         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3925         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3926                 atomic_set(&vha->loop_state, LOOP_DOWN);
3927                 qla2x00_mark_all_devices_lost(vha, 0);
3928                 list_for_each_entry(vp, &ha->vp_list, list)
3929                         qla2x00_mark_all_devices_lost(vha, 0);
3930         } else {
3931                 if (!atomic_read(&vha->loop_down_timer))
3932                         atomic_set(&vha->loop_down_timer,
3933                                         LOOP_DOWN_TIME);
3934         }
3935         /* Wait for pending cmds to complete */
3936         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3937 }
3938
3939 void
3940 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3941 {
3942         struct qla_hw_data *ha = vha->hw;
3943         struct scsi_qla_host *vp;
3944         unsigned long flags;
3945
3946         vha->flags.online = 0;
3947         ha->flags.chip_reset_done = 0;
3948         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3949         ha->qla_stats.total_isp_aborts++;
3950
3951         qla_printk(KERN_INFO, ha,
3952             "Performing ISP error recovery - ha= %p.\n", ha);
3953
3954         /* Chip reset does not apply to 82XX */
3955         if (!IS_QLA82XX(ha))
3956                 ha->isp_ops->reset_chip(vha);
3957
3958         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3959         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3960                 atomic_set(&vha->loop_state, LOOP_DOWN);
3961                 qla2x00_mark_all_devices_lost(vha, 0);
3962
3963                 spin_lock_irqsave(&ha->vport_slock, flags);
3964                 list_for_each_entry(vp, &ha->vp_list, list) {
3965                         atomic_inc(&vp->vref_count);
3966                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3967
3968                         qla2x00_mark_all_devices_lost(vp, 0);
3969
3970                         spin_lock_irqsave(&ha->vport_slock, flags);
3971                         atomic_dec(&vp->vref_count);
3972                 }
3973                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3974         } else {
3975                 if (!atomic_read(&vha->loop_down_timer))
3976                         atomic_set(&vha->loop_down_timer,
3977                             LOOP_DOWN_TIME);
3978         }
3979
3980         if (!ha->flags.eeh_busy) {
3981                 /* Make sure for ISP 82XX IO DMA is complete */
3982                 if (IS_QLA82XX(ha)) {
3983                         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
3984                                 WAIT_HOST) == QLA_SUCCESS) {
3985                                 DEBUG2(qla_printk(KERN_INFO, ha,
3986                                 "Done wait for pending commands\n"));
3987                         }
3988                 }
3989
3990                 /* Requeue all commands in outstanding command list. */
3991                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3992         }
3993 }
3994
3995 /*
3996 *  qla2x00_abort_isp
3997 *      Resets ISP and aborts all outstanding commands.
3998 *
3999 * Input:
4000 *      ha           = adapter block pointer.
4001 *
4002 * Returns:
4003 *      0 = success
4004 */
4005 int
4006 qla2x00_abort_isp(scsi_qla_host_t *vha)
4007 {
4008         int rval;
4009         uint8_t        status = 0;
4010         struct qla_hw_data *ha = vha->hw;
4011         struct scsi_qla_host *vp;
4012         struct req_que *req = ha->req_q_map[0];
4013         unsigned long flags;
4014
4015         if (vha->flags.online) {
4016                 qla2x00_abort_isp_cleanup(vha);
4017
4018                 if (unlikely(pci_channel_offline(ha->pdev) &&
4019                     ha->flags.pci_channel_io_perm_failure)) {
4020                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4021                         status = 0;
4022                         return status;
4023                 }
4024
4025                 ha->isp_ops->get_flash_version(vha, req->ring);
4026
4027                 ha->isp_ops->nvram_config(vha);
4028
4029                 if (!qla2x00_restart_isp(vha)) {
4030                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4031
4032                         if (!atomic_read(&vha->loop_down_timer)) {
4033                                 /*
4034                                  * Issue marker command only when we are going
4035                                  * to start the I/O .
4036                                  */
4037                                 vha->marker_needed = 1;
4038                         }
4039
4040                         vha->flags.online = 1;
4041
4042                         ha->isp_ops->enable_intrs(ha);
4043
4044                         ha->isp_abort_cnt = 0;
4045                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4046
4047                         if (IS_QLA81XX(ha))
4048                                 qla2x00_get_fw_version(vha,
4049                                     &ha->fw_major_version,
4050                                     &ha->fw_minor_version,
4051                                     &ha->fw_subminor_version,
4052                                     &ha->fw_attributes, &ha->fw_memory_size,
4053                                     ha->mpi_version, &ha->mpi_capabilities,
4054                                     ha->phy_version);
4055
4056                         if (ha->fce) {
4057                                 ha->flags.fce_enabled = 1;
4058                                 memset(ha->fce, 0,
4059                                     fce_calc_size(ha->fce_bufs));
4060                                 rval = qla2x00_enable_fce_trace(vha,
4061                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4062                                     &ha->fce_bufs);
4063                                 if (rval) {
4064                                         qla_printk(KERN_WARNING, ha,
4065                                             "Unable to reinitialize FCE "
4066                                             "(%d).\n", rval);
4067                                         ha->flags.fce_enabled = 0;
4068                                 }
4069                         }
4070
4071                         if (ha->eft) {
4072                                 memset(ha->eft, 0, EFT_SIZE);
4073                                 rval = qla2x00_enable_eft_trace(vha,
4074                                     ha->eft_dma, EFT_NUM_BUFFERS);
4075                                 if (rval) {
4076                                         qla_printk(KERN_WARNING, ha,
4077                                             "Unable to reinitialize EFT "
4078                                             "(%d).\n", rval);
4079                                 }
4080                         }
4081                 } else {        /* failed the ISP abort */
4082                         vha->flags.online = 1;
4083                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4084                                 if (ha->isp_abort_cnt == 0) {
4085                                         qla_printk(KERN_WARNING, ha,
4086                                             "ISP error recovery failed - "
4087                                             "board disabled\n");
4088                                         /*
4089                                          * The next call disables the board
4090                                          * completely.
4091                                          */
4092                                         ha->isp_ops->reset_adapter(vha);
4093                                         vha->flags.online = 0;
4094                                         clear_bit(ISP_ABORT_RETRY,
4095                                             &vha->dpc_flags);
4096                                         status = 0;
4097                                 } else { /* schedule another ISP abort */
4098                                         ha->isp_abort_cnt--;
4099                                         DEBUG(printk("qla%ld: ISP abort - "
4100                                             "retry remaining %d\n",
4101                                             vha->host_no, ha->isp_abort_cnt));
4102                                         status = 1;
4103                                 }
4104                         } else {
4105                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4106                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
4107                                     "- retrying (%d) more times\n",
4108                                     vha->host_no, ha->isp_abort_cnt));
4109                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4110                                 status = 1;
4111                         }
4112                 }
4113
4114         }
4115
4116         if (!status) {
4117                 DEBUG(printk(KERN_INFO
4118                                 "qla2x00_abort_isp(%ld): succeeded.\n",
4119                                 vha->host_no));
4120
4121                 spin_lock_irqsave(&ha->vport_slock, flags);
4122                 list_for_each_entry(vp, &ha->vp_list, list) {
4123                         if (vp->vp_idx) {
4124                                 atomic_inc(&vp->vref_count);
4125                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4126
4127                                 qla2x00_vp_abort_isp(vp);
4128
4129                                 spin_lock_irqsave(&ha->vport_slock, flags);
4130                                 atomic_dec(&vp->vref_count);
4131                         }
4132                 }
4133                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4134
4135         } else {
4136                 qla_printk(KERN_INFO, ha,
4137                         "qla2x00_abort_isp: **** FAILED ****\n");
4138         }
4139
4140         return(status);
4141 }
4142
4143 /*
4144 *  qla2x00_restart_isp
4145 *      restarts the ISP after a reset
4146 *
4147 * Input:
4148 *      ha = adapter block pointer.
4149 *
4150 * Returns:
4151 *      0 = success
4152 */
4153 static int
4154 qla2x00_restart_isp(scsi_qla_host_t *vha)
4155 {
4156         int status = 0;
4157         uint32_t wait_time;
4158         struct qla_hw_data *ha = vha->hw;
4159         struct req_que *req = ha->req_q_map[0];
4160         struct rsp_que *rsp = ha->rsp_q_map[0];
4161
4162         /* If firmware needs to be loaded */
4163         if (qla2x00_isp_firmware(vha)) {
4164                 vha->flags.online = 0;
4165                 status = ha->isp_ops->chip_diag(vha);
4166                 if (!status)
4167                         status = qla2x00_setup_chip(vha);
4168         }
4169
4170         if (!status && !(status = qla2x00_init_rings(vha))) {
4171                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4172                 ha->flags.chip_reset_done = 1;
4173                 /* Initialize the queues in use */
4174                 qla25xx_init_queues(ha);
4175
4176                 status = qla2x00_fw_ready(vha);
4177                 if (!status) {
4178                         DEBUG(printk("%s(): Start configure loop, "
4179                             "status = %d\n", __func__, status));
4180
4181                         /* Issue a marker after FW becomes ready. */
4182                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4183
4184                         vha->flags.online = 1;
4185                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4186                         wait_time = 256;
4187                         do {
4188                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4189                                 qla2x00_configure_loop(vha);
4190                                 wait_time--;
4191                         } while (!atomic_read(&vha->loop_down_timer) &&
4192                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4193                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4194                                 &vha->dpc_flags)));
4195                 }
4196
4197                 /* if no cable then assume it's good */
4198                 if ((vha->device_flags & DFLG_NO_CABLE))
4199                         status = 0;
4200
4201                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
4202                                 __func__,
4203                                 status));
4204         }
4205         return (status);
4206 }
4207
4208 static int
4209 qla25xx_init_queues(struct qla_hw_data *ha)
4210 {
4211         struct rsp_que *rsp = NULL;
4212         struct req_que *req = NULL;
4213         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4214         int ret = -1;
4215         int i;
4216
4217         for (i = 1; i < ha->max_rsp_queues; i++) {
4218                 rsp = ha->rsp_q_map[i];
4219                 if (rsp) {
4220                         rsp->options &= ~BIT_0;
4221                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4222                         if (ret != QLA_SUCCESS)
4223                                 DEBUG2_17(printk(KERN_WARNING
4224                                         "%s Rsp que:%d init failed\n", __func__,
4225                                                 rsp->id));
4226                         else
4227                                 DEBUG2_17(printk(KERN_INFO
4228                                         "%s Rsp que:%d inited\n", __func__,
4229                                                 rsp->id));
4230                 }
4231         }
4232         for (i = 1; i < ha->max_req_queues; i++) {
4233                 req = ha->req_q_map[i];
4234                 if (req) {
4235                 /* Clear outstanding commands array. */
4236                         req->options &= ~BIT_0;
4237                         ret = qla25xx_init_req_que(base_vha, req);
4238                         if (ret != QLA_SUCCESS)
4239                                 DEBUG2_17(printk(KERN_WARNING
4240                                         "%s Req que:%d init failed\n", __func__,
4241                                                 req->id));
4242                         else
4243                                 DEBUG2_17(printk(KERN_WARNING
4244                                         "%s Req que:%d inited\n", __func__,
4245                                                 req->id));
4246                 }
4247         }
4248         return ret;
4249 }
4250
4251 /*
4252 * qla2x00_reset_adapter
4253 *      Reset adapter.
4254 *
4255 * Input:
4256 *      ha = adapter block pointer.
4257 */
4258 void
4259 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4260 {
4261         unsigned long flags = 0;
4262         struct qla_hw_data *ha = vha->hw;
4263         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4264
4265         vha->flags.online = 0;
4266         ha->isp_ops->disable_intrs(ha);
4267
4268         spin_lock_irqsave(&ha->hardware_lock, flags);
4269         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4270         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4271         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4272         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4273         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4274 }
4275
4276 void
4277 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4278 {
4279         unsigned long flags = 0;
4280         struct qla_hw_data *ha = vha->hw;
4281         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4282
4283         if (IS_QLA82XX(ha))
4284                 return;
4285
4286         vha->flags.online = 0;
4287         ha->isp_ops->disable_intrs(ha);
4288
4289         spin_lock_irqsave(&ha->hardware_lock, flags);
4290         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4291         RD_REG_DWORD(&reg->hccr);
4292         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4293         RD_REG_DWORD(&reg->hccr);
4294         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4295
4296         if (IS_NOPOLLING_TYPE(ha))
4297                 ha->isp_ops->enable_intrs(ha);
4298 }
4299
4300 /* On sparc systems, obtain port and node WWN from firmware
4301  * properties.
4302  */
4303 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4304         struct nvram_24xx *nv)
4305 {
4306 #ifdef CONFIG_SPARC
4307         struct qla_hw_data *ha = vha->hw;
4308         struct pci_dev *pdev = ha->pdev;
4309         struct device_node *dp = pci_device_to_OF_node(pdev);
4310         const u8 *val;
4311         int len;
4312
4313         val = of_get_property(dp, "port-wwn", &len);
4314         if (val && len >= WWN_SIZE)
4315                 memcpy(nv->port_name, val, WWN_SIZE);
4316
4317         val = of_get_property(dp, "node-wwn", &len);
4318         if (val && len >= WWN_SIZE)
4319                 memcpy(nv->node_name, val, WWN_SIZE);
4320 #endif
4321 }
4322
4323 int
4324 qla24xx_nvram_config(scsi_qla_host_t *vha)
4325 {
4326         int   rval;
4327         struct init_cb_24xx *icb;
4328         struct nvram_24xx *nv;
4329         uint32_t *dptr;
4330         uint8_t  *dptr1, *dptr2;
4331         uint32_t chksum;
4332         uint16_t cnt;
4333         struct qla_hw_data *ha = vha->hw;
4334
4335         rval = QLA_SUCCESS;
4336         icb = (struct init_cb_24xx *)ha->init_cb;
4337         nv = ha->nvram;
4338
4339         /* Determine NVRAM starting address. */
4340         if (ha->flags.port0) {
4341                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4342                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4343         } else {
4344                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4345                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4346         }
4347         ha->nvram_size = sizeof(struct nvram_24xx);
4348         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4349         if (IS_QLA82XX(ha))
4350                 ha->vpd_size = FA_VPD_SIZE_82XX;
4351
4352         /* Get VPD data into cache */
4353         ha->vpd = ha->nvram + VPD_OFFSET;
4354         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4355             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4356
4357         /* Get NVRAM data into cache and calculate checksum. */
4358         dptr = (uint32_t *)nv;
4359         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4360             ha->nvram_size);
4361         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4362                 chksum += le32_to_cpu(*dptr++);
4363
4364         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4365         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4366
4367         /* Bad NVRAM data, set defaults parameters. */
4368         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4369             || nv->id[3] != ' ' ||
4370             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4371                 /* Reset NVRAM data. */
4372                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4373                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4374                     le16_to_cpu(nv->nvram_version));
4375                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4376                     "invalid -- WWPN) defaults.\n");
4377
4378                 /*
4379                  * Set default initialization control block.
4380                  */
4381                 memset(nv, 0, ha->nvram_size);
4382                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4383                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4384                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4385                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4386                 nv->exchange_count = __constant_cpu_to_le16(0);
4387                 nv->hard_address = __constant_cpu_to_le16(124);
4388                 nv->port_name[0] = 0x21;
4389                 nv->port_name[1] = 0x00 + ha->port_no;
4390                 nv->port_name[2] = 0x00;
4391                 nv->port_name[3] = 0xe0;
4392                 nv->port_name[4] = 0x8b;
4393                 nv->port_name[5] = 0x1c;
4394                 nv->port_name[6] = 0x55;
4395                 nv->port_name[7] = 0x86;
4396                 nv->node_name[0] = 0x20;
4397                 nv->node_name[1] = 0x00;
4398                 nv->node_name[2] = 0x00;
4399                 nv->node_name[3] = 0xe0;
4400                 nv->node_name[4] = 0x8b;
4401                 nv->node_name[5] = 0x1c;
4402                 nv->node_name[6] = 0x55;
4403                 nv->node_name[7] = 0x86;
4404                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4405                 nv->login_retry_count = __constant_cpu_to_le16(8);
4406                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4407                 nv->login_timeout = __constant_cpu_to_le16(0);
4408                 nv->firmware_options_1 =
4409                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4410                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4411                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4412                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4413                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4414                 nv->efi_parameters = __constant_cpu_to_le32(0);
4415                 nv->reset_delay = 5;
4416                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4417                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4418                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4419
4420                 rval = 1;
4421         }
4422
4423         /* Reset Initialization control block */
4424         memset(icb, 0, ha->init_cb_size);
4425
4426         /* Copy 1st segment. */
4427         dptr1 = (uint8_t *)icb;
4428         dptr2 = (uint8_t *)&nv->version;
4429         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4430         while (cnt--)
4431                 *dptr1++ = *dptr2++;
4432
4433         icb->login_retry_count = nv->login_retry_count;
4434         icb->link_down_on_nos = nv->link_down_on_nos;
4435
4436         /* Copy 2nd segment. */
4437         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4438         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4439         cnt = (uint8_t *)&icb->reserved_3 -
4440             (uint8_t *)&icb->interrupt_delay_timer;
4441         while (cnt--)
4442                 *dptr1++ = *dptr2++;
4443
4444         /*
4445          * Setup driver NVRAM options.
4446          */
4447         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4448             "QLA2462");
4449
4450         /* Use alternate WWN? */
4451         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4452                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4453                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4454         }
4455
4456         /* Prepare nodename */
4457         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4458                 /*
4459                  * Firmware will apply the following mask if the nodename was
4460                  * not provided.
4461                  */
4462                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4463                 icb->node_name[0] &= 0xF0;
4464         }
4465
4466         /* Set host adapter parameters. */
4467         ha->flags.disable_risc_code_load = 0;
4468         ha->flags.enable_lip_reset = 0;
4469         ha->flags.enable_lip_full_login =
4470             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4471         ha->flags.enable_target_reset =
4472             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4473         ha->flags.enable_led_scheme = 0;
4474         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4475
4476         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4477             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4478
4479         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4480             sizeof(ha->fw_seriallink_options24));
4481
4482         /* save HBA serial number */
4483         ha->serial0 = icb->port_name[5];
4484         ha->serial1 = icb->port_name[6];
4485         ha->serial2 = icb->port_name[7];
4486         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4487         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4488
4489         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4490
4491         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4492
4493         /* Set minimum login_timeout to 4 seconds. */
4494         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4495                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4496         if (le16_to_cpu(nv->login_timeout) < 4)
4497                 nv->login_timeout = __constant_cpu_to_le16(4);
4498         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4499         icb->login_timeout = nv->login_timeout;
4500
4501         /* Set minimum RATOV to 100 tenths of a second. */
4502         ha->r_a_tov = 100;
4503
4504         ha->loop_reset_delay = nv->reset_delay;
4505
4506         /* Link Down Timeout = 0:
4507          *
4508          *      When Port Down timer expires we will start returning
4509          *      I/O's to OS with "DID_NO_CONNECT".
4510          *
4511          * Link Down Timeout != 0:
4512          *
4513          *       The driver waits for the link to come up after link down
4514          *       before returning I/Os to OS with "DID_NO_CONNECT".
4515          */
4516         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4517                 ha->loop_down_abort_time =
4518                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4519         } else {
4520                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4521                 ha->loop_down_abort_time =
4522                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4523         }
4524
4525         /* Need enough time to try and get the port back. */
4526         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4527         if (qlport_down_retry)
4528                 ha->port_down_retry_count = qlport_down_retry;
4529
4530         /* Set login_retry_count */
4531         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4532         if (ha->port_down_retry_count ==
4533             le16_to_cpu(nv->port_down_retry_count) &&
4534             ha->port_down_retry_count > 3)
4535                 ha->login_retry_count = ha->port_down_retry_count;
4536         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4537                 ha->login_retry_count = ha->port_down_retry_count;
4538         if (ql2xloginretrycount)
4539                 ha->login_retry_count = ql2xloginretrycount;
4540
4541         /* Enable ZIO. */
4542         if (!vha->flags.init_done) {
4543                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4544                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4545                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4546                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4547         }
4548         icb->firmware_options_2 &= __constant_cpu_to_le32(
4549             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4550         vha->flags.process_response_queue = 0;
4551         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4552                 ha->zio_mode = QLA_ZIO_MODE_6;
4553
4554                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4555                     "(%d us).\n", vha->host_no, ha->zio_mode,
4556                     ha->zio_timer * 100));
4557                 qla_printk(KERN_INFO, ha,
4558                     "ZIO mode %d enabled; timer delay (%d us).\n",
4559                     ha->zio_mode, ha->zio_timer * 100);
4560
4561                 icb->firmware_options_2 |= cpu_to_le32(
4562                     (uint32_t)ha->zio_mode);
4563                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4564                 vha->flags.process_response_queue = 1;
4565         }
4566
4567         if (rval) {
4568                 DEBUG2_3(printk(KERN_WARNING
4569                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4570         }
4571         return (rval);
4572 }
4573
4574 static int
4575 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4576     uint32_t faddr)
4577 {
4578         int     rval = QLA_SUCCESS;
4579         int     segments, fragment;
4580         uint32_t *dcode, dlen;
4581         uint32_t risc_addr;
4582         uint32_t risc_size;
4583         uint32_t i;
4584         struct qla_hw_data *ha = vha->hw;
4585         struct req_que *req = ha->req_q_map[0];
4586
4587         qla_printk(KERN_INFO, ha,
4588             "FW: Loading from flash (%x)...\n", faddr);
4589
4590         rval = QLA_SUCCESS;
4591
4592         segments = FA_RISC_CODE_SEGMENTS;
4593         dcode = (uint32_t *)req->ring;
4594         *srisc_addr = 0;
4595
4596         /* Validate firmware image by checking version. */
4597         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4598         for (i = 0; i < 4; i++)
4599                 dcode[i] = be32_to_cpu(dcode[i]);
4600         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4601             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4602             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4603                 dcode[3] == 0)) {
4604                 qla_printk(KERN_WARNING, ha,
4605                     "Unable to verify integrity of flash firmware image!\n");
4606                 qla_printk(KERN_WARNING, ha,
4607                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4608                     dcode[1], dcode[2], dcode[3]);
4609
4610                 return QLA_FUNCTION_FAILED;
4611         }
4612
4613         while (segments && rval == QLA_SUCCESS) {
4614                 /* Read segment's load information. */
4615                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4616
4617                 risc_addr = be32_to_cpu(dcode[2]);
4618                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4619                 risc_size = be32_to_cpu(dcode[3]);
4620
4621                 fragment = 0;
4622                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4623                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4624                         if (dlen > risc_size)
4625                                 dlen = risc_size;
4626
4627                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4628                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4629                             vha->host_no, risc_addr, dlen, faddr));
4630
4631                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4632                         for (i = 0; i < dlen; i++)
4633                                 dcode[i] = swab32(dcode[i]);
4634
4635                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4636                             dlen);
4637                         if (rval) {
4638                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4639                                     "segment %d of firmware\n", vha->host_no,
4640                                     fragment));
4641                                 qla_printk(KERN_WARNING, ha,
4642                                     "[ERROR] Failed to load segment %d of "
4643                                     "firmware\n", fragment);
4644                                 break;
4645                         }
4646
4647                         faddr += dlen;
4648                         risc_addr += dlen;
4649                         risc_size -= dlen;
4650                         fragment++;
4651                 }
4652
4653                 /* Next segment. */
4654                 segments--;
4655         }
4656
4657         return rval;
4658 }
4659
4660 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4661
4662 int
4663 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4664 {
4665         int     rval;
4666         int     i, fragment;
4667         uint16_t *wcode, *fwcode;
4668         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4669         struct fw_blob *blob;
4670         struct qla_hw_data *ha = vha->hw;
4671         struct req_que *req = ha->req_q_map[0];
4672
4673         /* Load firmware blob. */
4674         blob = qla2x00_request_firmware(vha);
4675         if (!blob) {
4676                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4677                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4678                     "from: " QLA_FW_URL ".\n");
4679                 return QLA_FUNCTION_FAILED;
4680         }
4681
4682         rval = QLA_SUCCESS;
4683
4684         wcode = (uint16_t *)req->ring;
4685         *srisc_addr = 0;
4686         fwcode = (uint16_t *)blob->fw->data;
4687         fwclen = 0;
4688
4689         /* Validate firmware image by checking version. */
4690         if (blob->fw->size < 8 * sizeof(uint16_t)) {
4691                 qla_printk(KERN_WARNING, ha,
4692                     "Unable to verify integrity of firmware image (%Zd)!\n",
4693                     blob->fw->size);
4694                 goto fail_fw_integrity;
4695         }
4696         for (i = 0; i < 4; i++)
4697                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4698         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4699             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4700                 wcode[2] == 0 && wcode[3] == 0)) {
4701                 qla_printk(KERN_WARNING, ha,
4702                     "Unable to verify integrity of firmware image!\n");
4703                 qla_printk(KERN_WARNING, ha,
4704                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4705                     wcode[1], wcode[2], wcode[3]);
4706                 goto fail_fw_integrity;
4707         }
4708
4709         seg = blob->segs;
4710         while (*seg && rval == QLA_SUCCESS) {
4711                 risc_addr = *seg;
4712                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4713                 risc_size = be16_to_cpu(fwcode[3]);
4714
4715                 /* Validate firmware image size. */
4716                 fwclen += risc_size * sizeof(uint16_t);
4717                 if (blob->fw->size < fwclen) {
4718                         qla_printk(KERN_WARNING, ha,
4719                             "Unable to verify integrity of firmware image "
4720                             "(%Zd)!\n", blob->fw->size);
4721                         goto fail_fw_integrity;
4722                 }
4723
4724                 fragment = 0;
4725                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4726                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4727                         if (wlen > risc_size)
4728                                 wlen = risc_size;
4729
4730                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4731                             "addr %x, number of words 0x%x.\n", vha->host_no,
4732                             risc_addr, wlen));
4733
4734                         for (i = 0; i < wlen; i++)
4735                                 wcode[i] = swab16(fwcode[i]);
4736
4737                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4738                             wlen);
4739                         if (rval) {
4740                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4741                                     "segment %d of firmware\n", vha->host_no,
4742                                     fragment));
4743                                 qla_printk(KERN_WARNING, ha,
4744                                     "[ERROR] Failed to load segment %d of "
4745                                     "firmware\n", fragment);
4746                                 break;
4747                         }
4748
4749                         fwcode += wlen;
4750                         risc_addr += wlen;
4751                         risc_size -= wlen;
4752                         fragment++;
4753                 }
4754
4755                 /* Next segment. */
4756                 seg++;
4757         }
4758         return rval;
4759
4760 fail_fw_integrity:
4761         return QLA_FUNCTION_FAILED;
4762 }
4763
4764 static int
4765 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4766 {
4767         int     rval;
4768         int     segments, fragment;
4769         uint32_t *dcode, dlen;
4770         uint32_t risc_addr;
4771         uint32_t risc_size;
4772         uint32_t i;
4773         struct fw_blob *blob;
4774         uint32_t *fwcode, fwclen;
4775         struct qla_hw_data *ha = vha->hw;
4776         struct req_que *req = ha->req_q_map[0];
4777
4778         /* Load firmware blob. */
4779         blob = qla2x00_request_firmware(vha);
4780         if (!blob) {
4781                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4782                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4783                     "from: " QLA_FW_URL ".\n");
4784
4785                 return QLA_FUNCTION_FAILED;
4786         }
4787
4788         qla_printk(KERN_INFO, ha,
4789             "FW: Loading via request-firmware...\n");
4790
4791         rval = QLA_SUCCESS;
4792
4793         segments = FA_RISC_CODE_SEGMENTS;
4794         dcode = (uint32_t *)req->ring;
4795         *srisc_addr = 0;
4796         fwcode = (uint32_t *)blob->fw->data;
4797         fwclen = 0;
4798
4799         /* Validate firmware image by checking version. */
4800         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4801                 qla_printk(KERN_WARNING, ha,
4802                     "Unable to verify integrity of firmware image (%Zd)!\n",
4803                     blob->fw->size);
4804                 goto fail_fw_integrity;
4805         }
4806         for (i = 0; i < 4; i++)
4807                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4808         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4809             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4810             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4811                 dcode[3] == 0)) {
4812                 qla_printk(KERN_WARNING, ha,
4813                     "Unable to verify integrity of firmware image!\n");
4814                 qla_printk(KERN_WARNING, ha,
4815                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4816                     dcode[1], dcode[2], dcode[3]);
4817                 goto fail_fw_integrity;
4818         }
4819
4820         while (segments && rval == QLA_SUCCESS) {
4821                 risc_addr = be32_to_cpu(fwcode[2]);
4822                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4823                 risc_size = be32_to_cpu(fwcode[3]);
4824
4825                 /* Validate firmware image size. */
4826                 fwclen += risc_size * sizeof(uint32_t);
4827                 if (blob->fw->size < fwclen) {
4828                         qla_printk(KERN_WARNING, ha,
4829                             "Unable to verify integrity of firmware image "
4830                             "(%Zd)!\n", blob->fw->size);
4831
4832                         goto fail_fw_integrity;
4833                 }
4834
4835                 fragment = 0;
4836                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4837                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4838                         if (dlen > risc_size)
4839                                 dlen = risc_size;
4840
4841                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4842                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4843                             risc_addr, dlen));
4844
4845                         for (i = 0; i < dlen; i++)
4846                                 dcode[i] = swab32(fwcode[i]);
4847
4848                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4849                             dlen);
4850                         if (rval) {
4851                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4852                                     "segment %d of firmware\n", vha->host_no,
4853                                     fragment));
4854                                 qla_printk(KERN_WARNING, ha,
4855                                     "[ERROR] Failed to load segment %d of "
4856                                     "firmware\n", fragment);
4857                                 break;
4858                         }
4859
4860                         fwcode += dlen;
4861                         risc_addr += dlen;
4862                         risc_size -= dlen;
4863                         fragment++;
4864                 }
4865
4866                 /* Next segment. */
4867                 segments--;
4868         }
4869         return rval;
4870
4871 fail_fw_integrity:
4872         return QLA_FUNCTION_FAILED;
4873 }
4874
4875 int
4876 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4877 {
4878         int rval;
4879
4880         if (ql2xfwloadbin == 1)
4881                 return qla81xx_load_risc(vha, srisc_addr);
4882
4883         /*
4884          * FW Load priority:
4885          * 1) Firmware via request-firmware interface (.bin file).
4886          * 2) Firmware residing in flash.
4887          */
4888         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4889         if (rval == QLA_SUCCESS)
4890                 return rval;
4891
4892         return qla24xx_load_risc_flash(vha, srisc_addr,
4893             vha->hw->flt_region_fw);
4894 }
4895
4896 int
4897 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4898 {
4899         int rval;
4900         struct qla_hw_data *ha = vha->hw;
4901
4902         if (ql2xfwloadbin == 2)
4903                 goto try_blob_fw;
4904
4905         /*
4906          * FW Load priority:
4907          * 1) Firmware residing in flash.
4908          * 2) Firmware via request-firmware interface (.bin file).
4909          * 3) Golden-Firmware residing in flash -- limited operation.
4910          */
4911         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4912         if (rval == QLA_SUCCESS)
4913                 return rval;
4914
4915 try_blob_fw:
4916         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4917         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4918                 return rval;
4919
4920         qla_printk(KERN_ERR, ha,
4921             "FW: Attempting to fallback to golden firmware...\n");
4922         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4923         if (rval != QLA_SUCCESS)
4924                 return rval;
4925
4926         qla_printk(KERN_ERR, ha,
4927             "FW: Please update operational firmware...\n");
4928         ha->flags.running_gold_fw = 1;
4929
4930         return rval;
4931 }
4932
4933 void
4934 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4935 {
4936         int ret, retries;
4937         struct qla_hw_data *ha = vha->hw;
4938
4939         if (ha->flags.pci_channel_io_perm_failure)
4940                 return;
4941         if (!IS_FWI2_CAPABLE(ha))
4942                 return;
4943         if (!ha->fw_major_version)
4944                 return;
4945
4946         ret = qla2x00_stop_firmware(vha);
4947         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4948             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4949                 ha->isp_ops->reset_chip(vha);
4950                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4951                         continue;
4952                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4953                         continue;
4954                 qla_printk(KERN_INFO, ha,
4955                     "Attempting retry of stop-firmware command...\n");
4956                 ret = qla2x00_stop_firmware(vha);
4957         }
4958 }
4959
4960 int
4961 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4962 {
4963         int rval = QLA_SUCCESS;
4964         uint16_t mb[MAILBOX_REGISTER_COUNT];
4965         struct qla_hw_data *ha = vha->hw;
4966         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4967         struct req_que *req;
4968         struct rsp_que *rsp;
4969
4970         if (!vha->vp_idx)
4971                 return -EINVAL;
4972
4973         rval = qla2x00_fw_ready(base_vha);
4974         if (ha->flags.cpu_affinity_enabled)
4975                 req = ha->req_q_map[0];
4976         else
4977                 req = vha->req;
4978         rsp = req->rsp;
4979
4980         if (rval == QLA_SUCCESS) {
4981                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4982                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4983         }
4984
4985         vha->flags.management_server_logged_in = 0;
4986
4987         /* Login to SNS first */
4988         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4989         if (mb[0] != MBS_COMMAND_COMPLETE) {
4990                 DEBUG15(qla_printk(KERN_INFO, ha,
4991                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4992                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4993                     mb[0], mb[1], mb[2], mb[6], mb[7]));
4994                 return (QLA_FUNCTION_FAILED);
4995         }
4996
4997         atomic_set(&vha->loop_down_timer, 0);
4998         atomic_set(&vha->loop_state, LOOP_UP);
4999         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5000         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5001         rval = qla2x00_loop_resync(base_vha);
5002
5003         return rval;
5004 }
5005
5006 /* 84XX Support **************************************************************/
5007
5008 static LIST_HEAD(qla_cs84xx_list);
5009 static DEFINE_MUTEX(qla_cs84xx_mutex);
5010
5011 static struct qla_chip_state_84xx *
5012 qla84xx_get_chip(struct scsi_qla_host *vha)
5013 {
5014         struct qla_chip_state_84xx *cs84xx;
5015         struct qla_hw_data *ha = vha->hw;
5016
5017         mutex_lock(&qla_cs84xx_mutex);
5018
5019         /* Find any shared 84xx chip. */
5020         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5021                 if (cs84xx->bus == ha->pdev->bus) {
5022                         kref_get(&cs84xx->kref);
5023                         goto done;
5024                 }
5025         }
5026
5027         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5028         if (!cs84xx)
5029                 goto done;
5030
5031         kref_init(&cs84xx->kref);
5032         spin_lock_init(&cs84xx->access_lock);
5033         mutex_init(&cs84xx->fw_update_mutex);
5034         cs84xx->bus = ha->pdev->bus;
5035
5036         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5037 done:
5038         mutex_unlock(&qla_cs84xx_mutex);
5039         return cs84xx;
5040 }
5041
5042 static void
5043 __qla84xx_chip_release(struct kref *kref)
5044 {
5045         struct qla_chip_state_84xx *cs84xx =
5046             container_of(kref, struct qla_chip_state_84xx, kref);
5047
5048         mutex_lock(&qla_cs84xx_mutex);
5049         list_del(&cs84xx->list);
5050         mutex_unlock(&qla_cs84xx_mutex);
5051         kfree(cs84xx);
5052 }
5053
5054 void
5055 qla84xx_put_chip(struct scsi_qla_host *vha)
5056 {
5057         struct qla_hw_data *ha = vha->hw;
5058         if (ha->cs84xx)
5059                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5060 }
5061
5062 static int
5063 qla84xx_init_chip(scsi_qla_host_t *vha)
5064 {
5065         int rval;
5066         uint16_t status[2];
5067         struct qla_hw_data *ha = vha->hw;
5068
5069         mutex_lock(&ha->cs84xx->fw_update_mutex);
5070
5071         rval = qla84xx_verify_chip(vha, status);
5072
5073         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5074
5075         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5076             QLA_SUCCESS;
5077 }
5078
5079 /* 81XX Support **************************************************************/
5080
5081 int
5082 qla81xx_nvram_config(scsi_qla_host_t *vha)
5083 {
5084         int   rval;
5085         struct init_cb_81xx *icb;
5086         struct nvram_81xx *nv;
5087         uint32_t *dptr;
5088         uint8_t  *dptr1, *dptr2;
5089         uint32_t chksum;
5090         uint16_t cnt;
5091         struct qla_hw_data *ha = vha->hw;
5092
5093         rval = QLA_SUCCESS;
5094         icb = (struct init_cb_81xx *)ha->init_cb;
5095         nv = ha->nvram;
5096
5097         /* Determine NVRAM starting address. */
5098         ha->nvram_size = sizeof(struct nvram_81xx);
5099         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5100
5101         /* Get VPD data into cache */
5102         ha->vpd = ha->nvram + VPD_OFFSET;
5103         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5104             ha->vpd_size);
5105
5106         /* Get NVRAM data into cache and calculate checksum. */
5107         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5108             ha->nvram_size);
5109         dptr = (uint32_t *)nv;
5110         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5111                 chksum += le32_to_cpu(*dptr++);
5112
5113         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
5114         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
5115
5116         /* Bad NVRAM data, set defaults parameters. */
5117         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5118             || nv->id[3] != ' ' ||
5119             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5120                 /* Reset NVRAM data. */
5121                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
5122                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
5123                     le16_to_cpu(nv->nvram_version));
5124                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
5125                     "invalid -- WWPN) defaults.\n");
5126
5127                 /*
5128                  * Set default initialization control block.
5129                  */
5130                 memset(nv, 0, ha->nvram_size);
5131                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5132                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5133                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5134                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5135                 nv->exchange_count = __constant_cpu_to_le16(0);
5136                 nv->port_name[0] = 0x21;
5137                 nv->port_name[1] = 0x00 + ha->port_no;
5138                 nv->port_name[2] = 0x00;
5139                 nv->port_name[3] = 0xe0;
5140                 nv->port_name[4] = 0x8b;
5141                 nv->port_name[5] = 0x1c;
5142                 nv->port_name[6] = 0x55;
5143                 nv->port_name[7] = 0x86;
5144                 nv->node_name[0] = 0x20;
5145                 nv->node_name[1] = 0x00;
5146                 nv->node_name[2] = 0x00;
5147                 nv->node_name[3] = 0xe0;
5148                 nv->node_name[4] = 0x8b;
5149                 nv->node_name[5] = 0x1c;
5150                 nv->node_name[6] = 0x55;
5151                 nv->node_name[7] = 0x86;
5152                 nv->login_retry_count = __constant_cpu_to_le16(8);
5153                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5154                 nv->login_timeout = __constant_cpu_to_le16(0);
5155                 nv->firmware_options_1 =
5156                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5157                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5158                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5159                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5160                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5161                 nv->efi_parameters = __constant_cpu_to_le32(0);
5162                 nv->reset_delay = 5;
5163                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5164                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5165                 nv->link_down_timeout = __constant_cpu_to_le16(30);
5166                 nv->enode_mac[0] = 0x00;
5167                 nv->enode_mac[1] = 0x02;
5168                 nv->enode_mac[2] = 0x03;
5169                 nv->enode_mac[3] = 0x04;
5170                 nv->enode_mac[4] = 0x05;
5171                 nv->enode_mac[5] = 0x06 + ha->port_no;
5172
5173                 rval = 1;
5174         }
5175
5176         /* Reset Initialization control block */
5177         memset(icb, 0, sizeof(struct init_cb_81xx));
5178
5179         /* Copy 1st segment. */
5180         dptr1 = (uint8_t *)icb;
5181         dptr2 = (uint8_t *)&nv->version;
5182         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5183         while (cnt--)
5184                 *dptr1++ = *dptr2++;
5185
5186         icb->login_retry_count = nv->login_retry_count;
5187
5188         /* Copy 2nd segment. */
5189         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5190         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5191         cnt = (uint8_t *)&icb->reserved_5 -
5192             (uint8_t *)&icb->interrupt_delay_timer;
5193         while (cnt--)
5194                 *dptr1++ = *dptr2++;
5195
5196         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5197         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5198         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5199                 icb->enode_mac[0] = 0x01;
5200                 icb->enode_mac[1] = 0x02;
5201                 icb->enode_mac[2] = 0x03;
5202                 icb->enode_mac[3] = 0x04;
5203                 icb->enode_mac[4] = 0x05;
5204                 icb->enode_mac[5] = 0x06 + ha->port_no;
5205         }
5206
5207         /* Use extended-initialization control block. */
5208         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5209
5210         /*
5211          * Setup driver NVRAM options.
5212          */
5213         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5214             "QLE8XXX");
5215
5216         /* Use alternate WWN? */
5217         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5218                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5219                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5220         }
5221
5222         /* Prepare nodename */
5223         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5224                 /*
5225                  * Firmware will apply the following mask if the nodename was
5226                  * not provided.
5227                  */
5228                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5229                 icb->node_name[0] &= 0xF0;
5230         }
5231
5232         /* Set host adapter parameters. */
5233         ha->flags.disable_risc_code_load = 0;
5234         ha->flags.enable_lip_reset = 0;
5235         ha->flags.enable_lip_full_login =
5236             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5237         ha->flags.enable_target_reset =
5238             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5239         ha->flags.enable_led_scheme = 0;
5240         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5241
5242         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5243             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5244
5245         /* save HBA serial number */
5246         ha->serial0 = icb->port_name[5];
5247         ha->serial1 = icb->port_name[6];
5248         ha->serial2 = icb->port_name[7];
5249         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5250         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5251
5252         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5253
5254         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5255
5256         /* Set minimum login_timeout to 4 seconds. */
5257         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5258                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5259         if (le16_to_cpu(nv->login_timeout) < 4)
5260                 nv->login_timeout = __constant_cpu_to_le16(4);
5261         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5262         icb->login_timeout = nv->login_timeout;
5263
5264         /* Set minimum RATOV to 100 tenths of a second. */
5265         ha->r_a_tov = 100;
5266
5267         ha->loop_reset_delay = nv->reset_delay;
5268
5269         /* Link Down Timeout = 0:
5270          *
5271          *      When Port Down timer expires we will start returning
5272          *      I/O's to OS with "DID_NO_CONNECT".
5273          *
5274          * Link Down Timeout != 0:
5275          *
5276          *       The driver waits for the link to come up after link down
5277          *       before returning I/Os to OS with "DID_NO_CONNECT".
5278          */
5279         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5280                 ha->loop_down_abort_time =
5281                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5282         } else {
5283                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5284                 ha->loop_down_abort_time =
5285                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5286         }
5287
5288         /* Need enough time to try and get the port back. */
5289         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5290         if (qlport_down_retry)
5291                 ha->port_down_retry_count = qlport_down_retry;
5292
5293         /* Set login_retry_count */
5294         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5295         if (ha->port_down_retry_count ==
5296             le16_to_cpu(nv->port_down_retry_count) &&
5297             ha->port_down_retry_count > 3)
5298                 ha->login_retry_count = ha->port_down_retry_count;
5299         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5300                 ha->login_retry_count = ha->port_down_retry_count;
5301         if (ql2xloginretrycount)
5302                 ha->login_retry_count = ql2xloginretrycount;
5303
5304         /* Enable ZIO. */
5305         if (!vha->flags.init_done) {
5306                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5307                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5308                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5309                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5310         }
5311         icb->firmware_options_2 &= __constant_cpu_to_le32(
5312             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5313         vha->flags.process_response_queue = 0;
5314         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5315                 ha->zio_mode = QLA_ZIO_MODE_6;
5316
5317                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
5318                     "(%d us).\n", vha->host_no, ha->zio_mode,
5319                     ha->zio_timer * 100));
5320                 qla_printk(KERN_INFO, ha,
5321                     "ZIO mode %d enabled; timer delay (%d us).\n",
5322                     ha->zio_mode, ha->zio_timer * 100);
5323
5324                 icb->firmware_options_2 |= cpu_to_le32(
5325                     (uint32_t)ha->zio_mode);
5326                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5327                 vha->flags.process_response_queue = 1;
5328         }
5329
5330         if (rval) {
5331                 DEBUG2_3(printk(KERN_WARNING
5332                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
5333         }
5334         return (rval);
5335 }
5336
5337 int
5338 qla82xx_restart_isp(scsi_qla_host_t *vha)
5339 {
5340         int status, rval;
5341         uint32_t wait_time;
5342         struct qla_hw_data *ha = vha->hw;
5343         struct req_que *req = ha->req_q_map[0];
5344         struct rsp_que *rsp = ha->rsp_q_map[0];
5345         struct scsi_qla_host *vp;
5346         unsigned long flags;
5347
5348         status = qla2x00_init_rings(vha);
5349         if (!status) {
5350                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5351                 ha->flags.chip_reset_done = 1;
5352
5353                 status = qla2x00_fw_ready(vha);
5354                 if (!status) {
5355                         qla_printk(KERN_INFO, ha,
5356                         "%s(): Start configure loop, "
5357                         "status = %d\n", __func__, status);
5358
5359                         /* Issue a marker after FW becomes ready. */
5360                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5361
5362                         vha->flags.online = 1;
5363                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5364                         wait_time = 256;
5365                         do {
5366                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5367                                 qla2x00_configure_loop(vha);
5368                                 wait_time--;
5369                         } while (!atomic_read(&vha->loop_down_timer) &&
5370                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5371                             wait_time &&
5372                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5373                 }
5374
5375                 /* if no cable then assume it's good */
5376                 if ((vha->device_flags & DFLG_NO_CABLE))
5377                         status = 0;
5378
5379                 qla_printk(KERN_INFO, ha,
5380                         "%s(): Configure loop done, status = 0x%x\n",
5381                         __func__, status);
5382         }
5383
5384         if (!status) {
5385                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5386
5387                 if (!atomic_read(&vha->loop_down_timer)) {
5388                         /*
5389                          * Issue marker command only when we are going
5390                          * to start the I/O .
5391                          */
5392                         vha->marker_needed = 1;
5393                 }
5394
5395                 vha->flags.online = 1;
5396
5397                 ha->isp_ops->enable_intrs(ha);
5398
5399                 ha->isp_abort_cnt = 0;
5400                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5401
5402                 if (ha->fce) {
5403                         ha->flags.fce_enabled = 1;
5404                         memset(ha->fce, 0,
5405                             fce_calc_size(ha->fce_bufs));
5406                         rval = qla2x00_enable_fce_trace(vha,
5407                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5408                             &ha->fce_bufs);
5409                         if (rval) {
5410                                 qla_printk(KERN_WARNING, ha,
5411                                     "Unable to reinitialize FCE "
5412                                     "(%d).\n", rval);
5413                                 ha->flags.fce_enabled = 0;
5414                         }
5415                 }
5416
5417                 if (ha->eft) {
5418                         memset(ha->eft, 0, EFT_SIZE);
5419                         rval = qla2x00_enable_eft_trace(vha,
5420                             ha->eft_dma, EFT_NUM_BUFFERS);
5421                         if (rval) {
5422                                 qla_printk(KERN_WARNING, ha,
5423                                     "Unable to reinitialize EFT "
5424                                     "(%d).\n", rval);
5425                         }
5426                 }
5427         }
5428
5429         if (!status) {
5430                 DEBUG(printk(KERN_INFO
5431                         "qla82xx_restart_isp(%ld): succeeded.\n",
5432                         vha->host_no));
5433
5434                 spin_lock_irqsave(&ha->vport_slock, flags);
5435                 list_for_each_entry(vp, &ha->vp_list, list) {
5436                         if (vp->vp_idx) {
5437                                 atomic_inc(&vp->vref_count);
5438                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5439
5440                                 qla2x00_vp_abort_isp(vp);
5441
5442                                 spin_lock_irqsave(&ha->vport_slock, flags);
5443                                 atomic_dec(&vp->vref_count);
5444                         }
5445                 }
5446                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5447
5448         } else {
5449                 qla_printk(KERN_INFO, ha,
5450                         "qla82xx_restart_isp: **** FAILED ****\n");
5451         }
5452
5453         return status;
5454 }
5455
5456 void
5457 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5458 {
5459         struct qla_hw_data *ha = vha->hw;
5460
5461         if (!ql2xetsenable)
5462                 return;
5463
5464         /* Enable ETS Burst. */
5465         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5466         ha->fw_options[2] |= BIT_9;
5467         qla2x00_set_fw_options(vha, ha->fw_options);
5468 }
5469
5470 /*
5471  * qla24xx_get_fcp_prio
5472  *      Gets the fcp cmd priority value for the logged in port.
5473  *      Looks for a match of the port descriptors within
5474  *      each of the fcp prio config entries. If a match is found,
5475  *      the tag (priority) value is returned.
5476  *
5477  * Input:
5478  *      vha = scsi host structure pointer.
5479  *      fcport = port structure pointer.
5480  *
5481  * Return:
5482  *      non-zero (if found)
5483  *      0 (if not found)
5484  *
5485  * Context:
5486  *      Kernel context
5487  */
5488 uint8_t
5489 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5490 {
5491         int i, entries;
5492         uint8_t pid_match, wwn_match;
5493         uint8_t priority;
5494         uint32_t pid1, pid2;
5495         uint64_t wwn1, wwn2;
5496         struct qla_fcp_prio_entry *pri_entry;
5497         struct qla_hw_data *ha = vha->hw;
5498
5499         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5500                 return 0;
5501
5502         priority = 0;
5503         entries = ha->fcp_prio_cfg->num_entries;
5504         pri_entry = &ha->fcp_prio_cfg->entry[0];
5505
5506         for (i = 0; i < entries; i++) {
5507                 pid_match = wwn_match = 0;
5508
5509                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5510                         pri_entry++;
5511                         continue;
5512                 }
5513
5514                 /* check source pid for a match */
5515                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5516                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5517                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5518                         if (pid1 == INVALID_PORT_ID)
5519                                 pid_match++;
5520                         else if (pid1 == pid2)
5521                                 pid_match++;
5522                 }
5523
5524                 /* check destination pid for a match */
5525                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5526                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5527                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5528                         if (pid1 == INVALID_PORT_ID)
5529                                 pid_match++;
5530                         else if (pid1 == pid2)
5531                                 pid_match++;
5532                 }
5533
5534                 /* check source WWN for a match */
5535                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5536                         wwn1 = wwn_to_u64(vha->port_name);
5537                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5538                         if (wwn2 == (uint64_t)-1)
5539                                 wwn_match++;
5540                         else if (wwn1 == wwn2)
5541                                 wwn_match++;
5542                 }
5543
5544                 /* check destination WWN for a match */
5545                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5546                         wwn1 = wwn_to_u64(fcport->port_name);
5547                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5548                         if (wwn2 == (uint64_t)-1)
5549                                 wwn_match++;
5550                         else if (wwn1 == wwn2)
5551                                 wwn_match++;
5552                 }
5553
5554                 if (pid_match == 2 || wwn_match == 2) {
5555                         /* Found a matching entry */
5556                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5557                                 priority = pri_entry->tag;
5558                         break;
5559                 }
5560
5561                 pri_entry++;
5562         }
5563
5564         return priority;
5565 }
5566
5567 /*
5568  * qla24xx_update_fcport_fcp_prio
5569  *      Activates fcp priority for the logged in fc port
5570  *
5571  * Input:
5572  *      vha = scsi host structure pointer.
5573  *      fcp = port structure pointer.
5574  *
5575  * Return:
5576  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5577  *
5578  * Context:
5579  *      Kernel context.
5580  */
5581 int
5582 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5583 {
5584         int ret;
5585         uint8_t priority;
5586         uint16_t mb[5];
5587
5588         if (fcport->port_type != FCT_TARGET ||
5589             fcport->loop_id == FC_NO_LOOP_ID)
5590                 return QLA_FUNCTION_FAILED;
5591
5592         priority = qla24xx_get_fcp_prio(vha, fcport);
5593         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
5594         if (ret == QLA_SUCCESS)
5595                 fcport->fcp_prio = priority;
5596         else
5597                 DEBUG2(printk(KERN_WARNING
5598                         "scsi(%ld): Unable to activate fcp priority, "
5599                         " ret=0x%x\n", vha->host_no, ret));
5600
5601         return  ret;
5602 }
5603
5604 /*
5605  * qla24xx_update_all_fcp_prio
5606  *      Activates fcp priority for all the logged in ports
5607  *
5608  * Input:
5609  *      ha = adapter block pointer.
5610  *
5611  * Return:
5612  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5613  *
5614  * Context:
5615  *      Kernel context.
5616  */
5617 int
5618 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5619 {
5620         int ret;
5621         fc_port_t *fcport;
5622
5623         ret = QLA_FUNCTION_FAILED;
5624         /* We need to set priority for all logged in ports */
5625         list_for_each_entry(fcport, &vha->vp_fcports, list)
5626                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5627
5628         return ret;
5629 }