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                     IS_QLA8XXX_TYPE(ha) ||
2028                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2029                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
2030                             __func__, vha->host_no));
2031                 } else {
2032                         qla_printk(KERN_WARNING, ha,
2033                             "ERROR -- Unable to get host loop ID.\n");
2034                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2035                 }
2036                 return (rval);
2037         }
2038
2039         if (topo == 4) {
2040                 qla_printk(KERN_INFO, ha,
2041                         "Cannot get topology - retrying.\n");
2042                 return (QLA_FUNCTION_FAILED);
2043         }
2044
2045         vha->loop_id = loop_id;
2046
2047         /* initialize */
2048         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2049         ha->operating_mode = LOOP;
2050         ha->switch_cap = 0;
2051
2052         switch (topo) {
2053         case 0:
2054                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
2055                     vha->host_no));
2056                 ha->current_topology = ISP_CFG_NL;
2057                 strcpy(connect_type, "(Loop)");
2058                 break;
2059
2060         case 1:
2061                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
2062                     vha->host_no));
2063                 ha->switch_cap = sw_cap;
2064                 ha->current_topology = ISP_CFG_FL;
2065                 strcpy(connect_type, "(FL_Port)");
2066                 break;
2067
2068         case 2:
2069                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
2070                     vha->host_no));
2071                 ha->operating_mode = P2P;
2072                 ha->current_topology = ISP_CFG_N;
2073                 strcpy(connect_type, "(N_Port-to-N_Port)");
2074                 break;
2075
2076         case 3:
2077                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
2078                     vha->host_no));
2079                 ha->switch_cap = sw_cap;
2080                 ha->operating_mode = P2P;
2081                 ha->current_topology = ISP_CFG_F;
2082                 strcpy(connect_type, "(F_Port)");
2083                 break;
2084
2085         default:
2086                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
2087                     "Using NL.\n",
2088                     vha->host_no, topo));
2089                 ha->current_topology = ISP_CFG_NL;
2090                 strcpy(connect_type, "(Loop)");
2091                 break;
2092         }
2093
2094         /* Save Host port and loop ID. */
2095         /* byte order - Big Endian */
2096         vha->d_id.b.domain = domain;
2097         vha->d_id.b.area = area;
2098         vha->d_id.b.al_pa = al_pa;
2099
2100         if (!vha->flags.init_done)
2101                 qla_printk(KERN_INFO, ha,
2102                     "Topology - %s, Host Loop address 0x%x\n",
2103                     connect_type, vha->loop_id);
2104
2105         if (rval) {
2106                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
2107         } else {
2108                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
2109         }
2110
2111         return(rval);
2112 }
2113
2114 inline void
2115 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2116         char *def)
2117 {
2118         char *st, *en;
2119         uint16_t index;
2120         struct qla_hw_data *ha = vha->hw;
2121         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2122             !IS_QLA8XXX_TYPE(ha);
2123
2124         if (memcmp(model, BINZERO, len) != 0) {
2125                 strncpy(ha->model_number, model, len);
2126                 st = en = ha->model_number;
2127                 en += len - 1;
2128                 while (en > st) {
2129                         if (*en != 0x20 && *en != 0x00)
2130                                 break;
2131                         *en-- = '\0';
2132                 }
2133
2134                 index = (ha->pdev->subsystem_device & 0xff);
2135                 if (use_tbl &&
2136                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2137                     index < QLA_MODEL_NAMES)
2138                         strncpy(ha->model_desc,
2139                             qla2x00_model_name[index * 2 + 1],
2140                             sizeof(ha->model_desc) - 1);
2141         } else {
2142                 index = (ha->pdev->subsystem_device & 0xff);
2143                 if (use_tbl &&
2144                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2145                     index < QLA_MODEL_NAMES) {
2146                         strcpy(ha->model_number,
2147                             qla2x00_model_name[index * 2]);
2148                         strncpy(ha->model_desc,
2149                             qla2x00_model_name[index * 2 + 1],
2150                             sizeof(ha->model_desc) - 1);
2151                 } else {
2152                         strcpy(ha->model_number, def);
2153                 }
2154         }
2155         if (IS_FWI2_CAPABLE(ha))
2156                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2157                     sizeof(ha->model_desc));
2158 }
2159
2160 /* On sparc systems, obtain port and node WWN from firmware
2161  * properties.
2162  */
2163 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2164 {
2165 #ifdef CONFIG_SPARC
2166         struct qla_hw_data *ha = vha->hw;
2167         struct pci_dev *pdev = ha->pdev;
2168         struct device_node *dp = pci_device_to_OF_node(pdev);
2169         const u8 *val;
2170         int len;
2171
2172         val = of_get_property(dp, "port-wwn", &len);
2173         if (val && len >= WWN_SIZE)
2174                 memcpy(nv->port_name, val, WWN_SIZE);
2175
2176         val = of_get_property(dp, "node-wwn", &len);
2177         if (val && len >= WWN_SIZE)
2178                 memcpy(nv->node_name, val, WWN_SIZE);
2179 #endif
2180 }
2181
2182 /*
2183 * NVRAM configuration for ISP 2xxx
2184 *
2185 * Input:
2186 *      ha                = adapter block pointer.
2187 *
2188 * Output:
2189 *      initialization control block in response_ring
2190 *      host adapters parameters in host adapter block
2191 *
2192 * Returns:
2193 *      0 = success.
2194 */
2195 int
2196 qla2x00_nvram_config(scsi_qla_host_t *vha)
2197 {
2198         int             rval;
2199         uint8_t         chksum = 0;
2200         uint16_t        cnt;
2201         uint8_t         *dptr1, *dptr2;
2202         struct qla_hw_data *ha = vha->hw;
2203         init_cb_t       *icb = ha->init_cb;
2204         nvram_t         *nv = ha->nvram;
2205         uint8_t         *ptr = ha->nvram;
2206         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2207
2208         rval = QLA_SUCCESS;
2209
2210         /* Determine NVRAM starting address. */
2211         ha->nvram_size = sizeof(nvram_t);
2212         ha->nvram_base = 0;
2213         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2214                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2215                         ha->nvram_base = 0x80;
2216
2217         /* Get NVRAM data and calculate checksum. */
2218         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2219         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2220                 chksum += *ptr++;
2221
2222         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
2223         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
2224
2225         /* Bad NVRAM data, set defaults parameters. */
2226         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2227             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2228                 /* Reset NVRAM data. */
2229                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
2230                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
2231                     nv->nvram_version);
2232                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
2233                     "invalid -- WWPN) defaults.\n");
2234
2235                 /*
2236                  * Set default initialization control block.
2237                  */
2238                 memset(nv, 0, ha->nvram_size);
2239                 nv->parameter_block_version = ICB_VERSION;
2240
2241                 if (IS_QLA23XX(ha)) {
2242                         nv->firmware_options[0] = BIT_2 | BIT_1;
2243                         nv->firmware_options[1] = BIT_7 | BIT_5;
2244                         nv->add_firmware_options[0] = BIT_5;
2245                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2246                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2247                         nv->special_options[1] = BIT_7;
2248                 } else if (IS_QLA2200(ha)) {
2249                         nv->firmware_options[0] = BIT_2 | BIT_1;
2250                         nv->firmware_options[1] = BIT_7 | BIT_5;
2251                         nv->add_firmware_options[0] = BIT_5;
2252                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2253                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2254                 } else if (IS_QLA2100(ha)) {
2255                         nv->firmware_options[0] = BIT_3 | BIT_1;
2256                         nv->firmware_options[1] = BIT_5;
2257                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2258                 }
2259
2260                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2261                 nv->execution_throttle = __constant_cpu_to_le16(16);
2262                 nv->retry_count = 8;
2263                 nv->retry_delay = 1;
2264
2265                 nv->port_name[0] = 33;
2266                 nv->port_name[3] = 224;
2267                 nv->port_name[4] = 139;
2268
2269                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2270
2271                 nv->login_timeout = 4;
2272
2273                 /*
2274                  * Set default host adapter parameters
2275                  */
2276                 nv->host_p[1] = BIT_2;
2277                 nv->reset_delay = 5;
2278                 nv->port_down_retry_count = 8;
2279                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2280                 nv->link_down_timeout = 60;
2281
2282                 rval = 1;
2283         }
2284
2285 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2286         /*
2287          * The SN2 does not provide BIOS emulation which means you can't change
2288          * potentially bogus BIOS settings. Force the use of default settings
2289          * for link rate and frame size.  Hope that the rest of the settings
2290          * are valid.
2291          */
2292         if (ia64_platform_is("sn2")) {
2293                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2294                 if (IS_QLA23XX(ha))
2295                         nv->special_options[1] = BIT_7;
2296         }
2297 #endif
2298
2299         /* Reset Initialization control block */
2300         memset(icb, 0, ha->init_cb_size);
2301
2302         /*
2303          * Setup driver NVRAM options.
2304          */
2305         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2306         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2307         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2308         nv->firmware_options[1] &= ~BIT_4;
2309
2310         if (IS_QLA23XX(ha)) {
2311                 nv->firmware_options[0] |= BIT_2;
2312                 nv->firmware_options[0] &= ~BIT_3;
2313                 nv->firmware_options[0] &= ~BIT_6;
2314                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2315
2316                 if (IS_QLA2300(ha)) {
2317                         if (ha->fb_rev == FPM_2310) {
2318                                 strcpy(ha->model_number, "QLA2310");
2319                         } else {
2320                                 strcpy(ha->model_number, "QLA2300");
2321                         }
2322                 } else {
2323                         qla2x00_set_model_info(vha, nv->model_number,
2324                             sizeof(nv->model_number), "QLA23xx");
2325                 }
2326         } else if (IS_QLA2200(ha)) {
2327                 nv->firmware_options[0] |= BIT_2;
2328                 /*
2329                  * 'Point-to-point preferred, else loop' is not a safe
2330                  * connection mode setting.
2331                  */
2332                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2333                     (BIT_5 | BIT_4)) {
2334                         /* Force 'loop preferred, else point-to-point'. */
2335                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2336                         nv->add_firmware_options[0] |= BIT_5;
2337                 }
2338                 strcpy(ha->model_number, "QLA22xx");
2339         } else /*if (IS_QLA2100(ha))*/ {
2340                 strcpy(ha->model_number, "QLA2100");
2341         }
2342
2343         /*
2344          * Copy over NVRAM RISC parameter block to initialization control block.
2345          */
2346         dptr1 = (uint8_t *)icb;
2347         dptr2 = (uint8_t *)&nv->parameter_block_version;
2348         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2349         while (cnt--)
2350                 *dptr1++ = *dptr2++;
2351
2352         /* Copy 2nd half. */
2353         dptr1 = (uint8_t *)icb->add_firmware_options;
2354         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2355         while (cnt--)
2356                 *dptr1++ = *dptr2++;
2357
2358         /* Use alternate WWN? */
2359         if (nv->host_p[1] & BIT_7) {
2360                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2361                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2362         }
2363
2364         /* Prepare nodename */
2365         if ((icb->firmware_options[1] & BIT_6) == 0) {
2366                 /*
2367                  * Firmware will apply the following mask if the nodename was
2368                  * not provided.
2369                  */
2370                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2371                 icb->node_name[0] &= 0xF0;
2372         }
2373
2374         /*
2375          * Set host adapter parameters.
2376          */
2377         if (nv->host_p[0] & BIT_7)
2378                 ql2xextended_error_logging = 1;
2379         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2380         /* Always load RISC code on non ISP2[12]00 chips. */
2381         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2382                 ha->flags.disable_risc_code_load = 0;
2383         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2384         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2385         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2386         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2387         ha->flags.disable_serdes = 0;
2388
2389         ha->operating_mode =
2390             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2391
2392         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2393             sizeof(ha->fw_seriallink_options));
2394
2395         /* save HBA serial number */
2396         ha->serial0 = icb->port_name[5];
2397         ha->serial1 = icb->port_name[6];
2398         ha->serial2 = icb->port_name[7];
2399         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2400         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2401
2402         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2403
2404         ha->retry_count = nv->retry_count;
2405
2406         /* Set minimum login_timeout to 4 seconds. */
2407         if (nv->login_timeout != ql2xlogintimeout)
2408                 nv->login_timeout = ql2xlogintimeout;
2409         if (nv->login_timeout < 4)
2410                 nv->login_timeout = 4;
2411         ha->login_timeout = nv->login_timeout;
2412         icb->login_timeout = nv->login_timeout;
2413
2414         /* Set minimum RATOV to 100 tenths of a second. */
2415         ha->r_a_tov = 100;
2416
2417         ha->loop_reset_delay = nv->reset_delay;
2418
2419         /* Link Down Timeout = 0:
2420          *
2421          *      When Port Down timer expires we will start returning
2422          *      I/O's to OS with "DID_NO_CONNECT".
2423          *
2424          * Link Down Timeout != 0:
2425          *
2426          *       The driver waits for the link to come up after link down
2427          *       before returning I/Os to OS with "DID_NO_CONNECT".
2428          */
2429         if (nv->link_down_timeout == 0) {
2430                 ha->loop_down_abort_time =
2431                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2432         } else {
2433                 ha->link_down_timeout =  nv->link_down_timeout;
2434                 ha->loop_down_abort_time =
2435                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2436         }
2437
2438         /*
2439          * Need enough time to try and get the port back.
2440          */
2441         ha->port_down_retry_count = nv->port_down_retry_count;
2442         if (qlport_down_retry)
2443                 ha->port_down_retry_count = qlport_down_retry;
2444         /* Set login_retry_count */
2445         ha->login_retry_count  = nv->retry_count;
2446         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2447             ha->port_down_retry_count > 3)
2448                 ha->login_retry_count = ha->port_down_retry_count;
2449         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2450                 ha->login_retry_count = ha->port_down_retry_count;
2451         if (ql2xloginretrycount)
2452                 ha->login_retry_count = ql2xloginretrycount;
2453
2454         icb->lun_enables = __constant_cpu_to_le16(0);
2455         icb->command_resource_count = 0;
2456         icb->immediate_notify_resource_count = 0;
2457         icb->timeout = __constant_cpu_to_le16(0);
2458
2459         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2460                 /* Enable RIO */
2461                 icb->firmware_options[0] &= ~BIT_3;
2462                 icb->add_firmware_options[0] &=
2463                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2464                 icb->add_firmware_options[0] |= BIT_2;
2465                 icb->response_accumulation_timer = 3;
2466                 icb->interrupt_delay_timer = 5;
2467
2468                 vha->flags.process_response_queue = 1;
2469         } else {
2470                 /* Enable ZIO. */
2471                 if (!vha->flags.init_done) {
2472                         ha->zio_mode = icb->add_firmware_options[0] &
2473                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2474                         ha->zio_timer = icb->interrupt_delay_timer ?
2475                             icb->interrupt_delay_timer: 2;
2476                 }
2477                 icb->add_firmware_options[0] &=
2478                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2479                 vha->flags.process_response_queue = 0;
2480                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2481                         ha->zio_mode = QLA_ZIO_MODE_6;
2482
2483                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2484                             "delay (%d us).\n", vha->host_no, ha->zio_mode,
2485                             ha->zio_timer * 100));
2486                         qla_printk(KERN_INFO, ha,
2487                             "ZIO mode %d enabled; timer delay (%d us).\n",
2488                             ha->zio_mode, ha->zio_timer * 100);
2489
2490                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2491                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2492                         vha->flags.process_response_queue = 1;
2493                 }
2494         }
2495
2496         if (rval) {
2497                 DEBUG2_3(printk(KERN_WARNING
2498                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2499         }
2500         return (rval);
2501 }
2502
2503 static void
2504 qla2x00_rport_del(void *data)
2505 {
2506         fc_port_t *fcport = data;
2507         struct fc_rport *rport;
2508
2509         spin_lock_irq(fcport->vha->host->host_lock);
2510         rport = fcport->drport ? fcport->drport: fcport->rport;
2511         fcport->drport = NULL;
2512         spin_unlock_irq(fcport->vha->host->host_lock);
2513         if (rport)
2514                 fc_remote_port_delete(rport);
2515 }
2516
2517 /**
2518  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2519  * @ha: HA context
2520  * @flags: allocation flags
2521  *
2522  * Returns a pointer to the allocated fcport, or NULL, if none available.
2523  */
2524 fc_port_t *
2525 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2526 {
2527         fc_port_t *fcport;
2528
2529         fcport = kzalloc(sizeof(fc_port_t), flags);
2530         if (!fcport)
2531                 return NULL;
2532
2533         /* Setup fcport template structure. */
2534         fcport->vha = vha;
2535         fcport->vp_idx = vha->vp_idx;
2536         fcport->port_type = FCT_UNKNOWN;
2537         fcport->loop_id = FC_NO_LOOP_ID;
2538         atomic_set(&fcport->state, FCS_UNCONFIGURED);
2539         fcport->supported_classes = FC_COS_UNSPECIFIED;
2540
2541         return fcport;
2542 }
2543
2544 /*
2545  * qla2x00_configure_loop
2546  *      Updates Fibre Channel Device Database with what is actually on loop.
2547  *
2548  * Input:
2549  *      ha                = adapter block pointer.
2550  *
2551  * Returns:
2552  *      0 = success.
2553  *      1 = error.
2554  *      2 = database was full and device was not configured.
2555  */
2556 static int
2557 qla2x00_configure_loop(scsi_qla_host_t *vha)
2558 {
2559         int  rval;
2560         unsigned long flags, save_flags;
2561         struct qla_hw_data *ha = vha->hw;
2562         rval = QLA_SUCCESS;
2563
2564         /* Get Initiator ID */
2565         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2566                 rval = qla2x00_configure_hba(vha);
2567                 if (rval != QLA_SUCCESS) {
2568                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2569                             vha->host_no));
2570                         return (rval);
2571                 }
2572         }
2573
2574         save_flags = flags = vha->dpc_flags;
2575         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2576             vha->host_no, flags));
2577
2578         /*
2579          * If we have both an RSCN and PORT UPDATE pending then handle them
2580          * both at the same time.
2581          */
2582         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2583         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2584
2585         qla2x00_get_data_rate(vha);
2586
2587         /* Determine what we need to do */
2588         if (ha->current_topology == ISP_CFG_FL &&
2589             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2590
2591                 vha->flags.rscn_queue_overflow = 1;
2592                 set_bit(RSCN_UPDATE, &flags);
2593
2594         } else if (ha->current_topology == ISP_CFG_F &&
2595             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2596
2597                 vha->flags.rscn_queue_overflow = 1;
2598                 set_bit(RSCN_UPDATE, &flags);
2599                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2600
2601         } else if (ha->current_topology == ISP_CFG_N) {
2602                 clear_bit(RSCN_UPDATE, &flags);
2603
2604         } else if (!vha->flags.online ||
2605             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2606
2607                 vha->flags.rscn_queue_overflow = 1;
2608                 set_bit(RSCN_UPDATE, &flags);
2609                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2610         }
2611
2612         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2613                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2614                         rval = QLA_FUNCTION_FAILED;
2615                 else
2616                         rval = qla2x00_configure_local_loop(vha);
2617         }
2618
2619         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2620                 if (LOOP_TRANSITION(vha))
2621                         rval = QLA_FUNCTION_FAILED;
2622                 else
2623                         rval = qla2x00_configure_fabric(vha);
2624         }
2625
2626         if (rval == QLA_SUCCESS) {
2627                 if (atomic_read(&vha->loop_down_timer) ||
2628                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2629                         rval = QLA_FUNCTION_FAILED;
2630                 } else {
2631                         atomic_set(&vha->loop_state, LOOP_READY);
2632
2633                         DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2634                 }
2635         }
2636
2637         if (rval) {
2638                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2639                     __func__, vha->host_no));
2640         } else {
2641                 DEBUG3(printk("%s: exiting normally\n", __func__));
2642         }
2643
2644         /* Restore state if a resync event occurred during processing */
2645         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2646                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2647                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2648                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2649                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2650                         if (!IS_ALOGIO_CAPABLE(ha))
2651                                 vha->flags.rscn_queue_overflow = 1;
2652                 }
2653         }
2654
2655         return (rval);
2656 }
2657
2658
2659
2660 /*
2661  * qla2x00_configure_local_loop
2662  *      Updates Fibre Channel Device Database with local loop devices.
2663  *
2664  * Input:
2665  *      ha = adapter block pointer.
2666  *
2667  * Returns:
2668  *      0 = success.
2669  */
2670 static int
2671 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2672 {
2673         int             rval, rval2;
2674         int             found_devs;
2675         int             found;
2676         fc_port_t       *fcport, *new_fcport;
2677
2678         uint16_t        index;
2679         uint16_t        entries;
2680         char            *id_iter;
2681         uint16_t        loop_id;
2682         uint8_t         domain, area, al_pa;
2683         struct qla_hw_data *ha = vha->hw;
2684
2685         found_devs = 0;
2686         new_fcport = NULL;
2687         entries = MAX_FIBRE_DEVICES;
2688
2689         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2690         DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2691
2692         /* Get list of logged in devices. */
2693         memset(ha->gid_list, 0, GID_LIST_SIZE);
2694         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2695             &entries);
2696         if (rval != QLA_SUCCESS)
2697                 goto cleanup_allocation;
2698
2699         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2700             vha->host_no, entries));
2701         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2702             entries * sizeof(struct gid_list_info)));
2703
2704         /* Allocate temporary fcport for any new fcports discovered. */
2705         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2706         if (new_fcport == NULL) {
2707                 rval = QLA_MEMORY_ALLOC_FAILED;
2708                 goto cleanup_allocation;
2709         }
2710         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2711
2712         /*
2713          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2714          */
2715         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2716                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2717                     fcport->port_type != FCT_BROADCAST &&
2718                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2719
2720                         DEBUG(printk("scsi(%ld): Marking port lost, "
2721                             "loop_id=0x%04x\n",
2722                             vha->host_no, fcport->loop_id));
2723
2724                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2725                 }
2726         }
2727
2728         /* Add devices to port list. */
2729         id_iter = (char *)ha->gid_list;
2730         for (index = 0; index < entries; index++) {
2731                 domain = ((struct gid_list_info *)id_iter)->domain;
2732                 area = ((struct gid_list_info *)id_iter)->area;
2733                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2734                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2735                         loop_id = (uint16_t)
2736                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2737                 else
2738                         loop_id = le16_to_cpu(
2739                             ((struct gid_list_info *)id_iter)->loop_id);
2740                 id_iter += ha->gid_list_info_size;
2741
2742                 /* Bypass reserved domain fields. */
2743                 if ((domain & 0xf0) == 0xf0)
2744                         continue;
2745
2746                 /* Bypass if not same domain and area of adapter. */
2747                 if (area && domain &&
2748                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2749                         continue;
2750
2751                 /* Bypass invalid local loop ID. */
2752                 if (loop_id > LAST_LOCAL_LOOP_ID)
2753                         continue;
2754
2755                 /* Fill in member data. */
2756                 new_fcport->d_id.b.domain = domain;
2757                 new_fcport->d_id.b.area = area;
2758                 new_fcport->d_id.b.al_pa = al_pa;
2759                 new_fcport->loop_id = loop_id;
2760                 new_fcport->vp_idx = vha->vp_idx;
2761                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2762                 if (rval2 != QLA_SUCCESS) {
2763                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2764                             "information -- get_port_database=%x, "
2765                             "loop_id=0x%04x\n",
2766                             vha->host_no, rval2, new_fcport->loop_id));
2767                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2768                             vha->host_no));
2769                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2770                         continue;
2771                 }
2772
2773                 /* Check for matching device in port list. */
2774                 found = 0;
2775                 fcport = NULL;
2776                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2777                         if (memcmp(new_fcport->port_name, fcport->port_name,
2778                             WWN_SIZE))
2779                                 continue;
2780
2781                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2782                         fcport->loop_id = new_fcport->loop_id;
2783                         fcport->port_type = new_fcport->port_type;
2784                         fcport->d_id.b24 = new_fcport->d_id.b24;
2785                         memcpy(fcport->node_name, new_fcport->node_name,
2786                             WWN_SIZE);
2787
2788                         found++;
2789                         break;
2790                 }
2791
2792                 if (!found) {
2793                         /* New device, add to fcports list. */
2794                         if (vha->vp_idx) {
2795                                 new_fcport->vha = vha;
2796                                 new_fcport->vp_idx = vha->vp_idx;
2797                         }
2798                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2799
2800                         /* Allocate a new replacement fcport. */
2801                         fcport = new_fcport;
2802                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2803                         if (new_fcport == NULL) {
2804                                 rval = QLA_MEMORY_ALLOC_FAILED;
2805                                 goto cleanup_allocation;
2806                         }
2807                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2808                 }
2809
2810                 /* Base iIDMA settings on HBA port speed. */
2811                 fcport->fp_speed = ha->link_data_rate;
2812
2813                 qla2x00_update_fcport(vha, fcport);
2814
2815                 found_devs++;
2816         }
2817
2818 cleanup_allocation:
2819         kfree(new_fcport);
2820
2821         if (rval != QLA_SUCCESS) {
2822                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2823                     "rval=%x\n", vha->host_no, rval));
2824         }
2825
2826         return (rval);
2827 }
2828
2829 static void
2830 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2831 {
2832 #define LS_UNKNOWN      2
2833         static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2834         char *link_speed;
2835         int rval;
2836         uint16_t mb[4];
2837         struct qla_hw_data *ha = vha->hw;
2838
2839         if (!IS_IIDMA_CAPABLE(ha))
2840                 return;
2841
2842         if (atomic_read(&fcport->state) != FCS_ONLINE)
2843                 return;
2844
2845         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2846             fcport->fp_speed > ha->link_data_rate)
2847                 return;
2848
2849         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2850             mb);
2851         if (rval != QLA_SUCCESS) {
2852                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2853                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2854                     vha->host_no, fcport->port_name[0], fcport->port_name[1],
2855                     fcport->port_name[2], fcport->port_name[3],
2856                     fcport->port_name[4], fcport->port_name[5],
2857                     fcport->port_name[6], fcport->port_name[7], rval,
2858                     fcport->fp_speed, mb[0], mb[1]));
2859         } else {
2860                 link_speed = link_speeds[LS_UNKNOWN];
2861                 if (fcport->fp_speed < 5)
2862                         link_speed = link_speeds[fcport->fp_speed];
2863                 else if (fcport->fp_speed == 0x13)
2864                         link_speed = link_speeds[5];
2865                 DEBUG2(qla_printk(KERN_INFO, ha,
2866                     "iIDMA adjusted to %s GB/s on "
2867                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2868                     link_speed, fcport->port_name[0],
2869                     fcport->port_name[1], fcport->port_name[2],
2870                     fcport->port_name[3], fcport->port_name[4],
2871                     fcport->port_name[5], fcport->port_name[6],
2872                     fcport->port_name[7]));
2873         }
2874 }
2875
2876 static void
2877 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2878 {
2879         struct fc_rport_identifiers rport_ids;
2880         struct fc_rport *rport;
2881         struct qla_hw_data *ha = vha->hw;
2882
2883         qla2x00_rport_del(fcport);
2884
2885         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2886         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2887         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2888             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2889         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2890         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2891         if (!rport) {
2892                 qla_printk(KERN_WARNING, ha,
2893                     "Unable to allocate fc remote port!\n");
2894                 return;
2895         }
2896         spin_lock_irq(fcport->vha->host->host_lock);
2897         *((fc_port_t **)rport->dd_data) = fcport;
2898         spin_unlock_irq(fcport->vha->host->host_lock);
2899
2900         rport->supported_classes = fcport->supported_classes;
2901
2902         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2903         if (fcport->port_type == FCT_INITIATOR)
2904                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2905         if (fcport->port_type == FCT_TARGET)
2906                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2907         fc_remote_port_rolechg(rport, rport_ids.roles);
2908 }
2909
2910 /*
2911  * qla2x00_update_fcport
2912  *      Updates device on list.
2913  *
2914  * Input:
2915  *      ha = adapter block pointer.
2916  *      fcport = port structure pointer.
2917  *
2918  * Return:
2919  *      0  - Success
2920  *  BIT_0 - error
2921  *
2922  * Context:
2923  *      Kernel context.
2924  */
2925 void
2926 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2927 {
2928         fcport->vha = vha;
2929         fcport->login_retry = 0;
2930         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2931
2932         qla2x00_iidma_fcport(vha, fcport);
2933         qla24xx_update_fcport_fcp_prio(vha, fcport);
2934         qla2x00_reg_remote_port(vha, fcport);
2935         atomic_set(&fcport->state, FCS_ONLINE);
2936 }
2937
2938 /*
2939  * qla2x00_configure_fabric
2940  *      Setup SNS devices with loop ID's.
2941  *
2942  * Input:
2943  *      ha = adapter block pointer.
2944  *
2945  * Returns:
2946  *      0 = success.
2947  *      BIT_0 = error
2948  */
2949 static int
2950 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2951 {
2952         int     rval, rval2;
2953         fc_port_t       *fcport, *fcptemp;
2954         uint16_t        next_loopid;
2955         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2956         uint16_t        loop_id;
2957         LIST_HEAD(new_fcports);
2958         struct qla_hw_data *ha = vha->hw;
2959         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2960
2961         /* If FL port exists, then SNS is present */
2962         if (IS_FWI2_CAPABLE(ha))
2963                 loop_id = NPH_F_PORT;
2964         else
2965                 loop_id = SNS_FL_PORT;
2966         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2967         if (rval != QLA_SUCCESS) {
2968                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2969                     "Port\n", vha->host_no));
2970
2971                 vha->device_flags &= ~SWITCH_FOUND;
2972                 return (QLA_SUCCESS);
2973         }
2974         vha->device_flags |= SWITCH_FOUND;
2975
2976         /* Mark devices that need re-synchronization. */
2977         rval2 = qla2x00_device_resync(vha);
2978         if (rval2 == QLA_RSCNS_HANDLED) {
2979                 /* No point doing the scan, just continue. */
2980                 return (QLA_SUCCESS);
2981         }
2982         do {
2983                 /* FDMI support. */
2984                 if (ql2xfdmienable &&
2985                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2986                         qla2x00_fdmi_register(vha);
2987
2988                 /* Ensure we are logged into the SNS. */
2989                 if (IS_FWI2_CAPABLE(ha))
2990                         loop_id = NPH_SNS;
2991                 else
2992                         loop_id = SIMPLE_NAME_SERVER;
2993                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2994                     0xfc, mb, BIT_1 | BIT_0);
2995                 if (mb[0] != MBS_COMMAND_COMPLETE) {
2996                         DEBUG2(qla_printk(KERN_INFO, ha,
2997                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2998                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2999                             mb[0], mb[1], mb[2], mb[6], mb[7]));
3000                         return (QLA_SUCCESS);
3001                 }
3002
3003                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3004                         if (qla2x00_rft_id(vha)) {
3005                                 /* EMPTY */
3006                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
3007                                     "TYPE failed.\n", vha->host_no));
3008                         }
3009                         if (qla2x00_rff_id(vha)) {
3010                                 /* EMPTY */
3011                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
3012                                     "Features failed.\n", vha->host_no));
3013                         }
3014                         if (qla2x00_rnn_id(vha)) {
3015                                 /* EMPTY */
3016                                 DEBUG2(printk("scsi(%ld): Register Node Name "
3017                                     "failed.\n", vha->host_no));
3018                         } else if (qla2x00_rsnn_nn(vha)) {
3019                                 /* EMPTY */
3020                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
3021                                     "Node Name failed.\n", vha->host_no));
3022                         }
3023                 }
3024
3025                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3026                 if (rval != QLA_SUCCESS)
3027                         break;
3028
3029                 /*
3030                  * Logout all previous fabric devices marked lost, except
3031                  * FCP2 devices.
3032                  */
3033                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3034                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3035                                 break;
3036
3037                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3038                                 continue;
3039
3040                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3041                                 qla2x00_mark_device_lost(vha, fcport,
3042                                     ql2xplogiabsentdevice, 0);
3043                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3044                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3045                                     fcport->port_type != FCT_INITIATOR &&
3046                                     fcport->port_type != FCT_BROADCAST) {
3047                                         ha->isp_ops->fabric_logout(vha,
3048                                             fcport->loop_id,
3049                                             fcport->d_id.b.domain,
3050                                             fcport->d_id.b.area,
3051                                             fcport->d_id.b.al_pa);
3052                                         fcport->loop_id = FC_NO_LOOP_ID;
3053                                 }
3054                         }
3055                 }
3056
3057                 /* Starting free loop ID. */
3058                 next_loopid = ha->min_external_loopid;
3059
3060                 /*
3061                  * Scan through our port list and login entries that need to be
3062                  * logged in.
3063                  */
3064                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3065                         if (atomic_read(&vha->loop_down_timer) ||
3066                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3067                                 break;
3068
3069                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3070                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3071                                 continue;
3072
3073                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3074                                 fcport->loop_id = next_loopid;
3075                                 rval = qla2x00_find_new_loop_id(
3076                                     base_vha, fcport);
3077                                 if (rval != QLA_SUCCESS) {
3078                                         /* Ran out of IDs to use */
3079                                         break;
3080                                 }
3081                         }
3082                         /* Login and update database */
3083                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3084                 }
3085
3086                 /* Exit if out of loop IDs. */
3087                 if (rval != QLA_SUCCESS) {
3088                         break;
3089                 }
3090
3091                 /*
3092                  * Login and add the new devices to our port list.
3093                  */
3094                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3095                         if (atomic_read(&vha->loop_down_timer) ||
3096                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3097                                 break;
3098
3099                         /* Find a new loop ID to use. */
3100                         fcport->loop_id = next_loopid;
3101                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3102                         if (rval != QLA_SUCCESS) {
3103                                 /* Ran out of IDs to use */
3104                                 break;
3105                         }
3106
3107                         /* Login and update database */
3108                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3109
3110                         if (vha->vp_idx) {
3111                                 fcport->vha = vha;
3112                                 fcport->vp_idx = vha->vp_idx;
3113                         }
3114                         list_move_tail(&fcport->list, &vha->vp_fcports);
3115                 }
3116         } while (0);
3117
3118         /* Free all new device structures not processed. */
3119         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3120                 list_del(&fcport->list);
3121                 kfree(fcport);
3122         }
3123
3124         if (rval) {
3125                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
3126                     "rval=%d\n", vha->host_no, rval));
3127         }
3128
3129         return (rval);
3130 }
3131
3132 /*
3133  * qla2x00_find_all_fabric_devs
3134  *
3135  * Input:
3136  *      ha = adapter block pointer.
3137  *      dev = database device entry pointer.
3138  *
3139  * Returns:
3140  *      0 = success.
3141  *
3142  * Context:
3143  *      Kernel context.
3144  */
3145 static int
3146 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3147         struct list_head *new_fcports)
3148 {
3149         int             rval;
3150         uint16_t        loop_id;
3151         fc_port_t       *fcport, *new_fcport, *fcptemp;
3152         int             found;
3153
3154         sw_info_t       *swl;
3155         int             swl_idx;
3156         int             first_dev, last_dev;
3157         port_id_t       wrap = {}, nxt_d_id;
3158         struct qla_hw_data *ha = vha->hw;
3159         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3160         struct scsi_qla_host *tvp;
3161
3162         rval = QLA_SUCCESS;
3163
3164         /* Try GID_PT to get device list, else GAN. */
3165         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
3166         if (!swl) {
3167                 /*EMPTY*/
3168                 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
3169                     "on GA_NXT\n", vha->host_no));
3170         } else {
3171                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3172                         kfree(swl);
3173                         swl = NULL;
3174                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3175                         kfree(swl);
3176                         swl = NULL;
3177                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3178                         kfree(swl);
3179                         swl = NULL;
3180                 } else if (ql2xiidmaenable &&
3181                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3182                         qla2x00_gpsc(vha, swl);
3183                 }
3184
3185                 /* If other queries succeeded probe for FC-4 type */
3186                 if (swl)
3187                         qla2x00_gff_id(vha, swl);
3188         }
3189         swl_idx = 0;
3190
3191         /* Allocate temporary fcport for any new fcports discovered. */
3192         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3193         if (new_fcport == NULL) {
3194                 kfree(swl);
3195                 return (QLA_MEMORY_ALLOC_FAILED);
3196         }
3197         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3198         /* Set start port ID scan at adapter ID. */
3199         first_dev = 1;
3200         last_dev = 0;
3201
3202         /* Starting free loop ID. */
3203         loop_id = ha->min_external_loopid;
3204         for (; loop_id <= ha->max_loop_id; loop_id++) {
3205                 if (qla2x00_is_reserved_id(vha, loop_id))
3206                         continue;
3207
3208                 if (ha->current_topology == ISP_CFG_FL &&
3209                     (atomic_read(&vha->loop_down_timer) ||
3210                      LOOP_TRANSITION(vha))) {
3211                         atomic_set(&vha->loop_down_timer, 0);
3212                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3213                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3214                         break;
3215                 }
3216
3217                 if (swl != NULL) {
3218                         if (last_dev) {
3219                                 wrap.b24 = new_fcport->d_id.b24;
3220                         } else {
3221                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3222                                 memcpy(new_fcport->node_name,
3223                                     swl[swl_idx].node_name, WWN_SIZE);
3224                                 memcpy(new_fcport->port_name,
3225                                     swl[swl_idx].port_name, WWN_SIZE);
3226                                 memcpy(new_fcport->fabric_port_name,
3227                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3228                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3229                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3230
3231                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3232                                         last_dev = 1;
3233                                 }
3234                                 swl_idx++;
3235                         }
3236                 } else {
3237                         /* Send GA_NXT to the switch */
3238                         rval = qla2x00_ga_nxt(vha, new_fcport);
3239                         if (rval != QLA_SUCCESS) {
3240                                 qla_printk(KERN_WARNING, ha,
3241                                     "SNS scan failed -- assuming zero-entry "
3242                                     "result...\n");
3243                                 list_for_each_entry_safe(fcport, fcptemp,
3244                                     new_fcports, list) {
3245                                         list_del(&fcport->list);
3246                                         kfree(fcport);
3247                                 }
3248                                 rval = QLA_SUCCESS;
3249                                 break;
3250                         }
3251                 }
3252
3253                 /* If wrap on switch device list, exit. */
3254                 if (first_dev) {
3255                         wrap.b24 = new_fcport->d_id.b24;
3256                         first_dev = 0;
3257                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3258                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
3259                             vha->host_no, new_fcport->d_id.b.domain,
3260                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
3261                         break;
3262                 }
3263
3264                 /* Bypass if same physical adapter. */
3265                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3266                         continue;
3267
3268                 /* Bypass virtual ports of the same host. */
3269                 found = 0;
3270                 if (ha->num_vhosts) {
3271                         unsigned long flags;
3272
3273                         spin_lock_irqsave(&ha->vport_slock, flags);
3274                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3275                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3276                                         found = 1;
3277                                         break;
3278                                 }
3279                         }
3280                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3281
3282                         if (found)
3283                                 continue;
3284                 }
3285
3286                 /* Bypass if same domain and area of adapter. */
3287                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3288                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3289                         ISP_CFG_FL)
3290                             continue;
3291
3292                 /* Bypass reserved domain fields. */
3293                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3294                         continue;
3295
3296                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3297                 if (ql2xgffidenable &&
3298                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3299                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3300                         continue;
3301
3302                 /* Locate matching device in database. */
3303                 found = 0;
3304                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3305                         if (memcmp(new_fcport->port_name, fcport->port_name,
3306                             WWN_SIZE))
3307                                 continue;
3308
3309                         found++;
3310
3311                         /* Update port state. */
3312                         memcpy(fcport->fabric_port_name,
3313                             new_fcport->fabric_port_name, WWN_SIZE);
3314                         fcport->fp_speed = new_fcport->fp_speed;
3315
3316                         /*
3317                          * If address the same and state FCS_ONLINE, nothing
3318                          * changed.
3319                          */
3320                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3321                             atomic_read(&fcport->state) == FCS_ONLINE) {
3322                                 break;
3323                         }
3324
3325                         /*
3326                          * If device was not a fabric device before.
3327                          */
3328                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3329                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3330                                 fcport->loop_id = FC_NO_LOOP_ID;
3331                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3332                                     FCF_LOGIN_NEEDED);
3333                                 break;
3334                         }
3335
3336                         /*
3337                          * Port ID changed or device was marked to be updated;
3338                          * Log it out if still logged in and mark it for
3339                          * relogin later.
3340                          */
3341                         fcport->d_id.b24 = new_fcport->d_id.b24;
3342                         fcport->flags |= FCF_LOGIN_NEEDED;
3343                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3344                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3345                             fcport->port_type != FCT_INITIATOR &&
3346                             fcport->port_type != FCT_BROADCAST) {
3347                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3348                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3349                                     fcport->d_id.b.al_pa);
3350                                 fcport->loop_id = FC_NO_LOOP_ID;
3351                         }
3352
3353                         break;
3354                 }
3355
3356                 if (found)
3357                         continue;
3358                 /* If device was not in our fcports list, then add it. */
3359                 list_add_tail(&new_fcport->list, new_fcports);
3360
3361                 /* Allocate a new replacement fcport. */
3362                 nxt_d_id.b24 = new_fcport->d_id.b24;
3363                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3364                 if (new_fcport == NULL) {
3365                         kfree(swl);
3366                         return (QLA_MEMORY_ALLOC_FAILED);
3367                 }
3368                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3369                 new_fcport->d_id.b24 = nxt_d_id.b24;
3370         }
3371
3372         kfree(swl);
3373         kfree(new_fcport);
3374
3375         return (rval);
3376 }
3377
3378 /*
3379  * qla2x00_find_new_loop_id
3380  *      Scan through our port list and find a new usable loop ID.
3381  *
3382  * Input:
3383  *      ha:     adapter state pointer.
3384  *      dev:    port structure pointer.
3385  *
3386  * Returns:
3387  *      qla2x00 local function return status code.
3388  *
3389  * Context:
3390  *      Kernel context.
3391  */
3392 static int
3393 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3394 {
3395         int     rval;
3396         int     found;
3397         fc_port_t *fcport;
3398         uint16_t first_loop_id;
3399         struct qla_hw_data *ha = vha->hw;
3400         struct scsi_qla_host *vp;
3401         struct scsi_qla_host *tvp;
3402         unsigned long flags = 0;
3403
3404         rval = QLA_SUCCESS;
3405
3406         /* Save starting loop ID. */
3407         first_loop_id = dev->loop_id;
3408
3409         for (;;) {
3410                 /* Skip loop ID if already used by adapter. */
3411                 if (dev->loop_id == vha->loop_id)
3412                         dev->loop_id++;
3413
3414                 /* Skip reserved loop IDs. */
3415                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3416                         dev->loop_id++;
3417
3418                 /* Reset loop ID if passed the end. */
3419                 if (dev->loop_id > ha->max_loop_id) {
3420                         /* first loop ID. */
3421                         dev->loop_id = ha->min_external_loopid;
3422                 }
3423
3424                 /* Check for loop ID being already in use. */
3425                 found = 0;
3426                 fcport = NULL;
3427
3428                 spin_lock_irqsave(&ha->vport_slock, flags);
3429                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3430                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
3431                                 if (fcport->loop_id == dev->loop_id &&
3432                                                                 fcport != dev) {
3433                                         /* ID possibly in use */
3434                                         found++;
3435                                         break;
3436                                 }
3437                         }
3438                         if (found)
3439                                 break;
3440                 }
3441                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3442
3443                 /* If not in use then it is free to use. */
3444                 if (!found) {
3445                         break;
3446                 }
3447
3448                 /* ID in use. Try next value. */
3449                 dev->loop_id++;
3450
3451                 /* If wrap around. No free ID to use. */
3452                 if (dev->loop_id == first_loop_id) {
3453                         dev->loop_id = FC_NO_LOOP_ID;
3454                         rval = QLA_FUNCTION_FAILED;
3455                         break;
3456                 }
3457         }
3458
3459         return (rval);
3460 }
3461
3462 /*
3463  * qla2x00_device_resync
3464  *      Marks devices in the database that needs resynchronization.
3465  *
3466  * Input:
3467  *      ha = adapter block pointer.
3468  *
3469  * Context:
3470  *      Kernel context.
3471  */
3472 static int
3473 qla2x00_device_resync(scsi_qla_host_t *vha)
3474 {
3475         int     rval;
3476         uint32_t mask;
3477         fc_port_t *fcport;
3478         uint32_t rscn_entry;
3479         uint8_t rscn_out_iter;
3480         uint8_t format;
3481         port_id_t d_id = {};
3482
3483         rval = QLA_RSCNS_HANDLED;
3484
3485         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3486             vha->flags.rscn_queue_overflow) {
3487
3488                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3489                 format = MSB(MSW(rscn_entry));
3490                 d_id.b.domain = LSB(MSW(rscn_entry));
3491                 d_id.b.area = MSB(LSW(rscn_entry));
3492                 d_id.b.al_pa = LSB(LSW(rscn_entry));
3493
3494                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3495                     "[%02x/%02x%02x%02x].\n",
3496                     vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3497                     d_id.b.area, d_id.b.al_pa));
3498
3499                 vha->rscn_out_ptr++;
3500                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3501                         vha->rscn_out_ptr = 0;
3502
3503                 /* Skip duplicate entries. */
3504                 for (rscn_out_iter = vha->rscn_out_ptr;
3505                     !vha->flags.rscn_queue_overflow &&
3506                     rscn_out_iter != vha->rscn_in_ptr;
3507                     rscn_out_iter = (rscn_out_iter ==
3508                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3509
3510                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3511                                 break;
3512
3513                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3514                             "entry found at [%d].\n", vha->host_no,
3515                             rscn_out_iter));
3516
3517                         vha->rscn_out_ptr = rscn_out_iter;
3518                 }
3519
3520                 /* Queue overflow, set switch default case. */
3521                 if (vha->flags.rscn_queue_overflow) {
3522                         DEBUG(printk("scsi(%ld): device_resync: rscn "
3523                             "overflow.\n", vha->host_no));
3524
3525                         format = 3;
3526                         vha->flags.rscn_queue_overflow = 0;
3527                 }
3528
3529                 switch (format) {
3530                 case 0:
3531                         mask = 0xffffff;
3532                         break;
3533                 case 1:
3534                         mask = 0xffff00;
3535                         break;
3536                 case 2:
3537                         mask = 0xff0000;
3538                         break;
3539                 default:
3540                         mask = 0x0;
3541                         d_id.b24 = 0;
3542                         vha->rscn_out_ptr = vha->rscn_in_ptr;
3543                         break;
3544                 }
3545
3546                 rval = QLA_SUCCESS;
3547
3548                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3549                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3550                             (fcport->d_id.b24 & mask) != d_id.b24 ||
3551                             fcport->port_type == FCT_BROADCAST)
3552                                 continue;
3553
3554                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
3555                                 if (format != 3 ||
3556                                     fcport->port_type != FCT_INITIATOR) {
3557                                         qla2x00_mark_device_lost(vha, fcport,
3558                                             0, 0);
3559                                 }
3560                         }
3561                 }
3562         }
3563         return (rval);
3564 }
3565
3566 /*
3567  * qla2x00_fabric_dev_login
3568  *      Login fabric target device and update FC port database.
3569  *
3570  * Input:
3571  *      ha:             adapter state pointer.
3572  *      fcport:         port structure list pointer.
3573  *      next_loopid:    contains value of a new loop ID that can be used
3574  *                      by the next login attempt.
3575  *
3576  * Returns:
3577  *      qla2x00 local function return status code.
3578  *
3579  * Context:
3580  *      Kernel context.
3581  */
3582 static int
3583 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3584     uint16_t *next_loopid)
3585 {
3586         int     rval;
3587         int     retry;
3588         uint8_t opts;
3589         struct qla_hw_data *ha = vha->hw;
3590
3591         rval = QLA_SUCCESS;
3592         retry = 0;
3593
3594         if (IS_ALOGIO_CAPABLE(ha)) {
3595                 if (fcport->flags & FCF_ASYNC_SENT)
3596                         return rval;
3597                 fcport->flags |= FCF_ASYNC_SENT;
3598                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3599                 if (!rval)
3600                         return rval;
3601         }
3602
3603         fcport->flags &= ~FCF_ASYNC_SENT;
3604         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3605         if (rval == QLA_SUCCESS) {
3606                 /* Send an ADISC to FCP2 devices.*/
3607                 opts = 0;
3608                 if (fcport->flags & FCF_FCP2_DEVICE)
3609                         opts |= BIT_1;
3610                 rval = qla2x00_get_port_database(vha, fcport, opts);
3611                 if (rval != QLA_SUCCESS) {
3612                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3613                             fcport->d_id.b.domain, fcport->d_id.b.area,
3614                             fcport->d_id.b.al_pa);
3615                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3616                 } else {
3617                         qla2x00_update_fcport(vha, fcport);
3618                 }
3619         }
3620
3621         return (rval);
3622 }
3623
3624 /*
3625  * qla2x00_fabric_login
3626  *      Issue fabric login command.
3627  *
3628  * Input:
3629  *      ha = adapter block pointer.
3630  *      device = pointer to FC device type structure.
3631  *
3632  * Returns:
3633  *      0 - Login successfully
3634  *      1 - Login failed
3635  *      2 - Initiator device
3636  *      3 - Fatal error
3637  */
3638 int
3639 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3640     uint16_t *next_loopid)
3641 {
3642         int     rval;
3643         int     retry;
3644         uint16_t tmp_loopid;
3645         uint16_t mb[MAILBOX_REGISTER_COUNT];
3646         struct qla_hw_data *ha = vha->hw;
3647
3648         retry = 0;
3649         tmp_loopid = 0;
3650
3651         for (;;) {
3652                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3653                     "for port %02x%02x%02x.\n",
3654                     vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3655                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3656
3657                 /* Login fcport on switch. */
3658                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3659                     fcport->d_id.b.domain, fcport->d_id.b.area,
3660                     fcport->d_id.b.al_pa, mb, BIT_0);
3661                 if (mb[0] == MBS_PORT_ID_USED) {
3662                         /*
3663                          * Device has another loop ID.  The firmware team
3664                          * recommends the driver perform an implicit login with
3665                          * the specified ID again. The ID we just used is save
3666                          * here so we return with an ID that can be tried by
3667                          * the next login.
3668                          */
3669                         retry++;
3670                         tmp_loopid = fcport->loop_id;
3671                         fcport->loop_id = mb[1];
3672
3673                         DEBUG(printk("Fabric Login: port in use - next "
3674                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3675                             fcport->loop_id, fcport->d_id.b.domain,
3676                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3677
3678                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3679                         /*
3680                          * Login succeeded.
3681                          */
3682                         if (retry) {
3683                                 /* A retry occurred before. */
3684                                 *next_loopid = tmp_loopid;
3685                         } else {
3686                                 /*
3687                                  * No retry occurred before. Just increment the
3688                                  * ID value for next login.
3689                                  */
3690                                 *next_loopid = (fcport->loop_id + 1);
3691                         }
3692
3693                         if (mb[1] & BIT_0) {
3694                                 fcport->port_type = FCT_INITIATOR;
3695                         } else {
3696                                 fcport->port_type = FCT_TARGET;
3697                                 if (mb[1] & BIT_1) {
3698                                         fcport->flags |= FCF_FCP2_DEVICE;
3699                                 }
3700                         }
3701
3702                         if (mb[10] & BIT_0)
3703                                 fcport->supported_classes |= FC_COS_CLASS2;
3704                         if (mb[10] & BIT_1)
3705                                 fcport->supported_classes |= FC_COS_CLASS3;
3706
3707                         rval = QLA_SUCCESS;
3708                         break;
3709                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3710                         /*
3711                          * Loop ID already used, try next loop ID.
3712                          */
3713                         fcport->loop_id++;
3714                         rval = qla2x00_find_new_loop_id(vha, fcport);
3715                         if (rval != QLA_SUCCESS) {
3716                                 /* Ran out of loop IDs to use */
3717                                 break;
3718                         }
3719                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3720                         /*
3721                          * Firmware possibly timed out during login. If NO
3722                          * retries are left to do then the device is declared
3723                          * dead.
3724                          */
3725                         *next_loopid = fcport->loop_id;
3726                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3727                             fcport->d_id.b.domain, fcport->d_id.b.area,
3728                             fcport->d_id.b.al_pa);
3729                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3730
3731                         rval = 1;
3732                         break;
3733                 } else {
3734                         /*
3735                          * unrecoverable / not handled error
3736                          */
3737                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3738                             "loop_id=%x jiffies=%lx.\n",
3739                             __func__, vha->host_no, mb[0],
3740                             fcport->d_id.b.domain, fcport->d_id.b.area,
3741                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3742
3743                         *next_loopid = fcport->loop_id;
3744                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3745                             fcport->d_id.b.domain, fcport->d_id.b.area,
3746                             fcport->d_id.b.al_pa);
3747                         fcport->loop_id = FC_NO_LOOP_ID;
3748                         fcport->login_retry = 0;
3749
3750                         rval = 3;
3751                         break;
3752                 }
3753         }
3754
3755         return (rval);
3756 }
3757
3758 /*
3759  * qla2x00_local_device_login
3760  *      Issue local device login command.
3761  *
3762  * Input:
3763  *      ha = adapter block pointer.
3764  *      loop_id = loop id of device to login to.
3765  *
3766  * Returns (Where's the #define!!!!):
3767  *      0 - Login successfully
3768  *      1 - Login failed
3769  *      3 - Fatal error
3770  */
3771 int
3772 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3773 {
3774         int             rval;
3775         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3776
3777         memset(mb, 0, sizeof(mb));
3778         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3779         if (rval == QLA_SUCCESS) {
3780                 /* Interrogate mailbox registers for any errors */
3781                 if (mb[0] == MBS_COMMAND_ERROR)
3782                         rval = 1;
3783                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3784                         /* device not in PCB table */
3785                         rval = 3;
3786         }
3787
3788         return (rval);
3789 }
3790
3791 /*
3792  *  qla2x00_loop_resync
3793  *      Resync with fibre channel devices.
3794  *
3795  * Input:
3796  *      ha = adapter block pointer.
3797  *
3798  * Returns:
3799  *      0 = success
3800  */
3801 int
3802 qla2x00_loop_resync(scsi_qla_host_t *vha)
3803 {
3804         int rval = QLA_SUCCESS;
3805         uint32_t wait_time;
3806         struct req_que *req;
3807         struct rsp_que *rsp;
3808
3809         if (vha->hw->flags.cpu_affinity_enabled)
3810                 req = vha->hw->req_q_map[0];
3811         else
3812                 req = vha->req;
3813         rsp = req->rsp;
3814
3815         atomic_set(&vha->loop_state, LOOP_UPDATE);
3816         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3817         if (vha->flags.online) {
3818                 if (!(rval = qla2x00_fw_ready(vha))) {
3819                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3820                         wait_time = 256;
3821                         do {
3822                                 atomic_set(&vha->loop_state, LOOP_UPDATE);
3823
3824                                 /* Issue a marker after FW becomes ready. */
3825                                 qla2x00_marker(vha, req, rsp, 0, 0,
3826                                         MK_SYNC_ALL);
3827                                 vha->marker_needed = 0;
3828
3829                                 /* Remap devices on Loop. */
3830                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3831
3832                                 qla2x00_configure_loop(vha);
3833                                 wait_time--;
3834                         } while (!atomic_read(&vha->loop_down_timer) &&
3835                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3836                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3837                                 &vha->dpc_flags)));
3838                 }
3839         }
3840
3841         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3842                 return (QLA_FUNCTION_FAILED);
3843
3844         if (rval)
3845                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3846
3847         return (rval);
3848 }
3849
3850 /*
3851 * qla2x00_perform_loop_resync
3852 * Description: This function will set the appropriate flags and call
3853 *              qla2x00_loop_resync. If successful loop will be resynced
3854 * Arguments : scsi_qla_host_t pointer
3855 * returm    : Success or Failure
3856 */
3857
3858 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3859 {
3860         int32_t rval = 0;
3861
3862         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3863                 /*Configure the flags so that resync happens properly*/
3864                 atomic_set(&ha->loop_down_timer, 0);
3865                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3866                         atomic_set(&ha->loop_state, LOOP_UP);
3867                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3868                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3869                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3870
3871                         rval = qla2x00_loop_resync(ha);
3872                 } else
3873                         atomic_set(&ha->loop_state, LOOP_DEAD);
3874
3875                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3876         }
3877
3878         return rval;
3879 }
3880
3881 void
3882 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3883 {
3884         fc_port_t *fcport;
3885         struct scsi_qla_host *vha;
3886         struct qla_hw_data *ha = base_vha->hw;
3887         unsigned long flags;
3888
3889         spin_lock_irqsave(&ha->vport_slock, flags);
3890         /* Go with deferred removal of rport references. */
3891         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3892                 atomic_inc(&vha->vref_count);
3893                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3894                         if (fcport->drport &&
3895                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3896                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3897
3898                                 qla2x00_rport_del(fcport);
3899
3900                                 spin_lock_irqsave(&ha->vport_slock, flags);
3901                         }
3902                 }
3903                 atomic_dec(&vha->vref_count);
3904         }
3905         spin_unlock_irqrestore(&ha->vport_slock, flags);
3906 }
3907
3908 /*
3909 * qla82xx_quiescent_state_cleanup
3910 * Description: This function will block the new I/Os
3911 *              Its not aborting any I/Os as context
3912 *              is not destroyed during quiescence
3913 * Arguments: scsi_qla_host_t
3914 * return   : void
3915 */
3916 void
3917 qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3918 {
3919         struct qla_hw_data *ha = vha->hw;
3920         struct scsi_qla_host *vp;
3921
3922         qla_printk(KERN_INFO, ha,
3923                         "Performing ISP error recovery - ha= %p.\n", ha);
3924
3925         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3926         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3927                 atomic_set(&vha->loop_state, LOOP_DOWN);
3928                 qla2x00_mark_all_devices_lost(vha, 0);
3929                 list_for_each_entry(vp, &ha->vp_list, list)
3930                         qla2x00_mark_all_devices_lost(vha, 0);
3931         } else {
3932                 if (!atomic_read(&vha->loop_down_timer))
3933                         atomic_set(&vha->loop_down_timer,
3934                                         LOOP_DOWN_TIME);
3935         }
3936         /* Wait for pending cmds to complete */
3937         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3938 }
3939
3940 void
3941 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3942 {
3943         struct qla_hw_data *ha = vha->hw;
3944         struct scsi_qla_host *vp;
3945         unsigned long flags;
3946
3947         vha->flags.online = 0;
3948         ha->flags.chip_reset_done = 0;
3949         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3950         ha->qla_stats.total_isp_aborts++;
3951
3952         qla_printk(KERN_INFO, ha,
3953             "Performing ISP error recovery - ha= %p.\n", ha);
3954
3955         /* Chip reset does not apply to 82XX */
3956         if (!IS_QLA82XX(ha))
3957                 ha->isp_ops->reset_chip(vha);
3958
3959         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3960         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3961                 atomic_set(&vha->loop_state, LOOP_DOWN);
3962                 qla2x00_mark_all_devices_lost(vha, 0);
3963
3964                 spin_lock_irqsave(&ha->vport_slock, flags);
3965                 list_for_each_entry(vp, &ha->vp_list, list) {
3966                         atomic_inc(&vp->vref_count);
3967                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3968
3969                         qla2x00_mark_all_devices_lost(vp, 0);
3970
3971                         spin_lock_irqsave(&ha->vport_slock, flags);
3972                         atomic_dec(&vp->vref_count);
3973                 }
3974                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3975         } else {
3976                 if (!atomic_read(&vha->loop_down_timer))
3977                         atomic_set(&vha->loop_down_timer,
3978                             LOOP_DOWN_TIME);
3979         }
3980
3981         if (!ha->flags.eeh_busy) {
3982                 /* Make sure for ISP 82XX IO DMA is complete */
3983                 if (IS_QLA82XX(ha)) {
3984                         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
3985                                 WAIT_HOST) == QLA_SUCCESS) {
3986                                 DEBUG2(qla_printk(KERN_INFO, ha,
3987                                 "Done wait for pending commands\n"));
3988                         }
3989                 }
3990
3991                 /* Requeue all commands in outstanding command list. */
3992                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3993         }
3994 }
3995
3996 /*
3997 *  qla2x00_abort_isp
3998 *      Resets ISP and aborts all outstanding commands.
3999 *
4000 * Input:
4001 *      ha           = adapter block pointer.
4002 *
4003 * Returns:
4004 *      0 = success
4005 */
4006 int
4007 qla2x00_abort_isp(scsi_qla_host_t *vha)
4008 {
4009         int rval;
4010         uint8_t        status = 0;
4011         struct qla_hw_data *ha = vha->hw;
4012         struct scsi_qla_host *vp;
4013         struct req_que *req = ha->req_q_map[0];
4014         unsigned long flags;
4015
4016         if (vha->flags.online) {
4017                 qla2x00_abort_isp_cleanup(vha);
4018
4019                 if (unlikely(pci_channel_offline(ha->pdev) &&
4020                     ha->flags.pci_channel_io_perm_failure)) {
4021                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4022                         status = 0;
4023                         return status;
4024                 }
4025
4026                 ha->isp_ops->get_flash_version(vha, req->ring);
4027
4028                 ha->isp_ops->nvram_config(vha);
4029
4030                 if (!qla2x00_restart_isp(vha)) {
4031                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4032
4033                         if (!atomic_read(&vha->loop_down_timer)) {
4034                                 /*
4035                                  * Issue marker command only when we are going
4036                                  * to start the I/O .
4037                                  */
4038                                 vha->marker_needed = 1;
4039                         }
4040
4041                         vha->flags.online = 1;
4042
4043                         ha->isp_ops->enable_intrs(ha);
4044
4045                         ha->isp_abort_cnt = 0;
4046                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4047
4048                         if (IS_QLA81XX(ha))
4049                                 qla2x00_get_fw_version(vha,
4050                                     &ha->fw_major_version,
4051                                     &ha->fw_minor_version,
4052                                     &ha->fw_subminor_version,
4053                                     &ha->fw_attributes, &ha->fw_memory_size,
4054                                     ha->mpi_version, &ha->mpi_capabilities,
4055                                     ha->phy_version);
4056
4057                         if (ha->fce) {
4058                                 ha->flags.fce_enabled = 1;
4059                                 memset(ha->fce, 0,
4060                                     fce_calc_size(ha->fce_bufs));
4061                                 rval = qla2x00_enable_fce_trace(vha,
4062                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4063                                     &ha->fce_bufs);
4064                                 if (rval) {
4065                                         qla_printk(KERN_WARNING, ha,
4066                                             "Unable to reinitialize FCE "
4067                                             "(%d).\n", rval);
4068                                         ha->flags.fce_enabled = 0;
4069                                 }
4070                         }
4071
4072                         if (ha->eft) {
4073                                 memset(ha->eft, 0, EFT_SIZE);
4074                                 rval = qla2x00_enable_eft_trace(vha,
4075                                     ha->eft_dma, EFT_NUM_BUFFERS);
4076                                 if (rval) {
4077                                         qla_printk(KERN_WARNING, ha,
4078                                             "Unable to reinitialize EFT "
4079                                             "(%d).\n", rval);
4080                                 }
4081                         }
4082                 } else {        /* failed the ISP abort */
4083                         vha->flags.online = 1;
4084                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4085                                 if (ha->isp_abort_cnt == 0) {
4086                                         qla_printk(KERN_WARNING, ha,
4087                                             "ISP error recovery failed - "
4088                                             "board disabled\n");
4089                                         /*
4090                                          * The next call disables the board
4091                                          * completely.
4092                                          */
4093                                         ha->isp_ops->reset_adapter(vha);
4094                                         vha->flags.online = 0;
4095                                         clear_bit(ISP_ABORT_RETRY,
4096                                             &vha->dpc_flags);
4097                                         status = 0;
4098                                 } else { /* schedule another ISP abort */
4099                                         ha->isp_abort_cnt--;
4100                                         DEBUG(printk("qla%ld: ISP abort - "
4101                                             "retry remaining %d\n",
4102                                             vha->host_no, ha->isp_abort_cnt));
4103                                         status = 1;
4104                                 }
4105                         } else {
4106                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4107                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
4108                                     "- retrying (%d) more times\n",
4109                                     vha->host_no, ha->isp_abort_cnt));
4110                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4111                                 status = 1;
4112                         }
4113                 }
4114
4115         }
4116
4117         if (!status) {
4118                 DEBUG(printk(KERN_INFO
4119                                 "qla2x00_abort_isp(%ld): succeeded.\n",
4120                                 vha->host_no));
4121
4122                 spin_lock_irqsave(&ha->vport_slock, flags);
4123                 list_for_each_entry(vp, &ha->vp_list, list) {
4124                         if (vp->vp_idx) {
4125                                 atomic_inc(&vp->vref_count);
4126                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4127
4128                                 qla2x00_vp_abort_isp(vp);
4129
4130                                 spin_lock_irqsave(&ha->vport_slock, flags);
4131                                 atomic_dec(&vp->vref_count);
4132                         }
4133                 }
4134                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4135
4136         } else {
4137                 qla_printk(KERN_INFO, ha,
4138                         "qla2x00_abort_isp: **** FAILED ****\n");
4139         }
4140
4141         return(status);
4142 }
4143
4144 /*
4145 *  qla2x00_restart_isp
4146 *      restarts the ISP after a reset
4147 *
4148 * Input:
4149 *      ha = adapter block pointer.
4150 *
4151 * Returns:
4152 *      0 = success
4153 */
4154 static int
4155 qla2x00_restart_isp(scsi_qla_host_t *vha)
4156 {
4157         int status = 0;
4158         uint32_t wait_time;
4159         struct qla_hw_data *ha = vha->hw;
4160         struct req_que *req = ha->req_q_map[0];
4161         struct rsp_que *rsp = ha->rsp_q_map[0];
4162
4163         /* If firmware needs to be loaded */
4164         if (qla2x00_isp_firmware(vha)) {
4165                 vha->flags.online = 0;
4166                 status = ha->isp_ops->chip_diag(vha);
4167                 if (!status)
4168                         status = qla2x00_setup_chip(vha);
4169         }
4170
4171         if (!status && !(status = qla2x00_init_rings(vha))) {
4172                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4173                 ha->flags.chip_reset_done = 1;
4174                 /* Initialize the queues in use */
4175                 qla25xx_init_queues(ha);
4176
4177                 status = qla2x00_fw_ready(vha);
4178                 if (!status) {
4179                         DEBUG(printk("%s(): Start configure loop, "
4180                             "status = %d\n", __func__, status));
4181
4182                         /* Issue a marker after FW becomes ready. */
4183                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4184
4185                         vha->flags.online = 1;
4186                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4187                         wait_time = 256;
4188                         do {
4189                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4190                                 qla2x00_configure_loop(vha);
4191                                 wait_time--;
4192                         } while (!atomic_read(&vha->loop_down_timer) &&
4193                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4194                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4195                                 &vha->dpc_flags)));
4196                 }
4197
4198                 /* if no cable then assume it's good */
4199                 if ((vha->device_flags & DFLG_NO_CABLE))
4200                         status = 0;
4201
4202                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
4203                                 __func__,
4204                                 status));
4205         }
4206         return (status);
4207 }
4208
4209 static int
4210 qla25xx_init_queues(struct qla_hw_data *ha)
4211 {
4212         struct rsp_que *rsp = NULL;
4213         struct req_que *req = NULL;
4214         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4215         int ret = -1;
4216         int i;
4217
4218         for (i = 1; i < ha->max_rsp_queues; i++) {
4219                 rsp = ha->rsp_q_map[i];
4220                 if (rsp) {
4221                         rsp->options &= ~BIT_0;
4222                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4223                         if (ret != QLA_SUCCESS)
4224                                 DEBUG2_17(printk(KERN_WARNING
4225                                         "%s Rsp que:%d init failed\n", __func__,
4226                                                 rsp->id));
4227                         else
4228                                 DEBUG2_17(printk(KERN_INFO
4229                                         "%s Rsp que:%d inited\n", __func__,
4230                                                 rsp->id));
4231                 }
4232         }
4233         for (i = 1; i < ha->max_req_queues; i++) {
4234                 req = ha->req_q_map[i];
4235                 if (req) {
4236                 /* Clear outstanding commands array. */
4237                         req->options &= ~BIT_0;
4238                         ret = qla25xx_init_req_que(base_vha, req);
4239                         if (ret != QLA_SUCCESS)
4240                                 DEBUG2_17(printk(KERN_WARNING
4241                                         "%s Req que:%d init failed\n", __func__,
4242                                                 req->id));
4243                         else
4244                                 DEBUG2_17(printk(KERN_WARNING
4245                                         "%s Req que:%d inited\n", __func__,
4246                                                 req->id));
4247                 }
4248         }
4249         return ret;
4250 }
4251
4252 /*
4253 * qla2x00_reset_adapter
4254 *      Reset adapter.
4255 *
4256 * Input:
4257 *      ha = adapter block pointer.
4258 */
4259 void
4260 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4261 {
4262         unsigned long flags = 0;
4263         struct qla_hw_data *ha = vha->hw;
4264         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4265
4266         vha->flags.online = 0;
4267         ha->isp_ops->disable_intrs(ha);
4268
4269         spin_lock_irqsave(&ha->hardware_lock, flags);
4270         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4271         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4272         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4273         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4274         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4275 }
4276
4277 void
4278 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4279 {
4280         unsigned long flags = 0;
4281         struct qla_hw_data *ha = vha->hw;
4282         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4283
4284         if (IS_QLA82XX(ha))
4285                 return;
4286
4287         vha->flags.online = 0;
4288         ha->isp_ops->disable_intrs(ha);
4289
4290         spin_lock_irqsave(&ha->hardware_lock, flags);
4291         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4292         RD_REG_DWORD(&reg->hccr);
4293         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4294         RD_REG_DWORD(&reg->hccr);
4295         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4296
4297         if (IS_NOPOLLING_TYPE(ha))
4298                 ha->isp_ops->enable_intrs(ha);
4299 }
4300
4301 /* On sparc systems, obtain port and node WWN from firmware
4302  * properties.
4303  */
4304 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4305         struct nvram_24xx *nv)
4306 {
4307 #ifdef CONFIG_SPARC
4308         struct qla_hw_data *ha = vha->hw;
4309         struct pci_dev *pdev = ha->pdev;
4310         struct device_node *dp = pci_device_to_OF_node(pdev);
4311         const u8 *val;
4312         int len;
4313
4314         val = of_get_property(dp, "port-wwn", &len);
4315         if (val && len >= WWN_SIZE)
4316                 memcpy(nv->port_name, val, WWN_SIZE);
4317
4318         val = of_get_property(dp, "node-wwn", &len);
4319         if (val && len >= WWN_SIZE)
4320                 memcpy(nv->node_name, val, WWN_SIZE);
4321 #endif
4322 }
4323
4324 int
4325 qla24xx_nvram_config(scsi_qla_host_t *vha)
4326 {
4327         int   rval;
4328         struct init_cb_24xx *icb;
4329         struct nvram_24xx *nv;
4330         uint32_t *dptr;
4331         uint8_t  *dptr1, *dptr2;
4332         uint32_t chksum;
4333         uint16_t cnt;
4334         struct qla_hw_data *ha = vha->hw;
4335
4336         rval = QLA_SUCCESS;
4337         icb = (struct init_cb_24xx *)ha->init_cb;
4338         nv = ha->nvram;
4339
4340         /* Determine NVRAM starting address. */
4341         if (ha->flags.port0) {
4342                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4343                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4344         } else {
4345                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4346                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4347         }
4348         ha->nvram_size = sizeof(struct nvram_24xx);
4349         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4350         if (IS_QLA82XX(ha))
4351                 ha->vpd_size = FA_VPD_SIZE_82XX;
4352
4353         /* Get VPD data into cache */
4354         ha->vpd = ha->nvram + VPD_OFFSET;
4355         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4356             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4357
4358         /* Get NVRAM data into cache and calculate checksum. */
4359         dptr = (uint32_t *)nv;
4360         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4361             ha->nvram_size);
4362         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4363                 chksum += le32_to_cpu(*dptr++);
4364
4365         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4366         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4367
4368         /* Bad NVRAM data, set defaults parameters. */
4369         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4370             || nv->id[3] != ' ' ||
4371             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4372                 /* Reset NVRAM data. */
4373                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4374                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4375                     le16_to_cpu(nv->nvram_version));
4376                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4377                     "invalid -- WWPN) defaults.\n");
4378
4379                 /*
4380                  * Set default initialization control block.
4381                  */
4382                 memset(nv, 0, ha->nvram_size);
4383                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4384                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4385                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4386                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4387                 nv->exchange_count = __constant_cpu_to_le16(0);
4388                 nv->hard_address = __constant_cpu_to_le16(124);
4389                 nv->port_name[0] = 0x21;
4390                 nv->port_name[1] = 0x00 + ha->port_no;
4391                 nv->port_name[2] = 0x00;
4392                 nv->port_name[3] = 0xe0;
4393                 nv->port_name[4] = 0x8b;
4394                 nv->port_name[5] = 0x1c;
4395                 nv->port_name[6] = 0x55;
4396                 nv->port_name[7] = 0x86;
4397                 nv->node_name[0] = 0x20;
4398                 nv->node_name[1] = 0x00;
4399                 nv->node_name[2] = 0x00;
4400                 nv->node_name[3] = 0xe0;
4401                 nv->node_name[4] = 0x8b;
4402                 nv->node_name[5] = 0x1c;
4403                 nv->node_name[6] = 0x55;
4404                 nv->node_name[7] = 0x86;
4405                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4406                 nv->login_retry_count = __constant_cpu_to_le16(8);
4407                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4408                 nv->login_timeout = __constant_cpu_to_le16(0);
4409                 nv->firmware_options_1 =
4410                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4411                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4412                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4413                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4414                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4415                 nv->efi_parameters = __constant_cpu_to_le32(0);
4416                 nv->reset_delay = 5;
4417                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4418                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4419                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4420
4421                 rval = 1;
4422         }
4423
4424         /* Reset Initialization control block */
4425         memset(icb, 0, ha->init_cb_size);
4426
4427         /* Copy 1st segment. */
4428         dptr1 = (uint8_t *)icb;
4429         dptr2 = (uint8_t *)&nv->version;
4430         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4431         while (cnt--)
4432                 *dptr1++ = *dptr2++;
4433
4434         icb->login_retry_count = nv->login_retry_count;
4435         icb->link_down_on_nos = nv->link_down_on_nos;
4436
4437         /* Copy 2nd segment. */
4438         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4439         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4440         cnt = (uint8_t *)&icb->reserved_3 -
4441             (uint8_t *)&icb->interrupt_delay_timer;
4442         while (cnt--)
4443                 *dptr1++ = *dptr2++;
4444
4445         /*
4446          * Setup driver NVRAM options.
4447          */
4448         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4449             "QLA2462");
4450
4451         /* Use alternate WWN? */
4452         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4453                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4454                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4455         }
4456
4457         /* Prepare nodename */
4458         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4459                 /*
4460                  * Firmware will apply the following mask if the nodename was
4461                  * not provided.
4462                  */
4463                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4464                 icb->node_name[0] &= 0xF0;
4465         }
4466
4467         /* Set host adapter parameters. */
4468         ha->flags.disable_risc_code_load = 0;
4469         ha->flags.enable_lip_reset = 0;
4470         ha->flags.enable_lip_full_login =
4471             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4472         ha->flags.enable_target_reset =
4473             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4474         ha->flags.enable_led_scheme = 0;
4475         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4476
4477         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4478             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4479
4480         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4481             sizeof(ha->fw_seriallink_options24));
4482
4483         /* save HBA serial number */
4484         ha->serial0 = icb->port_name[5];
4485         ha->serial1 = icb->port_name[6];
4486         ha->serial2 = icb->port_name[7];
4487         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4488         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4489
4490         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4491
4492         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4493
4494         /* Set minimum login_timeout to 4 seconds. */
4495         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4496                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4497         if (le16_to_cpu(nv->login_timeout) < 4)
4498                 nv->login_timeout = __constant_cpu_to_le16(4);
4499         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4500         icb->login_timeout = nv->login_timeout;
4501
4502         /* Set minimum RATOV to 100 tenths of a second. */
4503         ha->r_a_tov = 100;
4504
4505         ha->loop_reset_delay = nv->reset_delay;
4506
4507         /* Link Down Timeout = 0:
4508          *
4509          *      When Port Down timer expires we will start returning
4510          *      I/O's to OS with "DID_NO_CONNECT".
4511          *
4512          * Link Down Timeout != 0:
4513          *
4514          *       The driver waits for the link to come up after link down
4515          *       before returning I/Os to OS with "DID_NO_CONNECT".
4516          */
4517         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4518                 ha->loop_down_abort_time =
4519                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4520         } else {
4521                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4522                 ha->loop_down_abort_time =
4523                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4524         }
4525
4526         /* Need enough time to try and get the port back. */
4527         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4528         if (qlport_down_retry)
4529                 ha->port_down_retry_count = qlport_down_retry;
4530
4531         /* Set login_retry_count */
4532         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4533         if (ha->port_down_retry_count ==
4534             le16_to_cpu(nv->port_down_retry_count) &&
4535             ha->port_down_retry_count > 3)
4536                 ha->login_retry_count = ha->port_down_retry_count;
4537         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4538                 ha->login_retry_count = ha->port_down_retry_count;
4539         if (ql2xloginretrycount)
4540                 ha->login_retry_count = ql2xloginretrycount;
4541
4542         /* Enable ZIO. */
4543         if (!vha->flags.init_done) {
4544                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4545                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4546                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4547                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4548         }
4549         icb->firmware_options_2 &= __constant_cpu_to_le32(
4550             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4551         vha->flags.process_response_queue = 0;
4552         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4553                 ha->zio_mode = QLA_ZIO_MODE_6;
4554
4555                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4556                     "(%d us).\n", vha->host_no, ha->zio_mode,
4557                     ha->zio_timer * 100));
4558                 qla_printk(KERN_INFO, ha,
4559                     "ZIO mode %d enabled; timer delay (%d us).\n",
4560                     ha->zio_mode, ha->zio_timer * 100);
4561
4562                 icb->firmware_options_2 |= cpu_to_le32(
4563                     (uint32_t)ha->zio_mode);
4564                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4565                 vha->flags.process_response_queue = 1;
4566         }
4567
4568         if (rval) {
4569                 DEBUG2_3(printk(KERN_WARNING
4570                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4571         }
4572         return (rval);
4573 }
4574
4575 static int
4576 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4577     uint32_t faddr)
4578 {
4579         int     rval = QLA_SUCCESS;
4580         int     segments, fragment;
4581         uint32_t *dcode, dlen;
4582         uint32_t risc_addr;
4583         uint32_t risc_size;
4584         uint32_t i;
4585         struct qla_hw_data *ha = vha->hw;
4586         struct req_que *req = ha->req_q_map[0];
4587
4588         qla_printk(KERN_INFO, ha,
4589             "FW: Loading from flash (%x)...\n", faddr);
4590
4591         rval = QLA_SUCCESS;
4592
4593         segments = FA_RISC_CODE_SEGMENTS;
4594         dcode = (uint32_t *)req->ring;
4595         *srisc_addr = 0;
4596
4597         /* Validate firmware image by checking version. */
4598         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4599         for (i = 0; i < 4; i++)
4600                 dcode[i] = be32_to_cpu(dcode[i]);
4601         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4602             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4603             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4604                 dcode[3] == 0)) {
4605                 qla_printk(KERN_WARNING, ha,
4606                     "Unable to verify integrity of flash firmware image!\n");
4607                 qla_printk(KERN_WARNING, ha,
4608                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4609                     dcode[1], dcode[2], dcode[3]);
4610
4611                 return QLA_FUNCTION_FAILED;
4612         }
4613
4614         while (segments && rval == QLA_SUCCESS) {
4615                 /* Read segment's load information. */
4616                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4617
4618                 risc_addr = be32_to_cpu(dcode[2]);
4619                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4620                 risc_size = be32_to_cpu(dcode[3]);
4621
4622                 fragment = 0;
4623                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4624                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4625                         if (dlen > risc_size)
4626                                 dlen = risc_size;
4627
4628                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4629                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4630                             vha->host_no, risc_addr, dlen, faddr));
4631
4632                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4633                         for (i = 0; i < dlen; i++)
4634                                 dcode[i] = swab32(dcode[i]);
4635
4636                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4637                             dlen);
4638                         if (rval) {
4639                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4640                                     "segment %d of firmware\n", vha->host_no,
4641                                     fragment));
4642                                 qla_printk(KERN_WARNING, ha,
4643                                     "[ERROR] Failed to load segment %d of "
4644                                     "firmware\n", fragment);
4645                                 break;
4646                         }
4647
4648                         faddr += dlen;
4649                         risc_addr += dlen;
4650                         risc_size -= dlen;
4651                         fragment++;
4652                 }
4653
4654                 /* Next segment. */
4655                 segments--;
4656         }
4657
4658         return rval;
4659 }
4660
4661 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4662
4663 int
4664 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4665 {
4666         int     rval;
4667         int     i, fragment;
4668         uint16_t *wcode, *fwcode;
4669         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4670         struct fw_blob *blob;
4671         struct qla_hw_data *ha = vha->hw;
4672         struct req_que *req = ha->req_q_map[0];
4673
4674         /* Load firmware blob. */
4675         blob = qla2x00_request_firmware(vha);
4676         if (!blob) {
4677                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4678                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4679                     "from: " QLA_FW_URL ".\n");
4680                 return QLA_FUNCTION_FAILED;
4681         }
4682
4683         rval = QLA_SUCCESS;
4684
4685         wcode = (uint16_t *)req->ring;
4686         *srisc_addr = 0;
4687         fwcode = (uint16_t *)blob->fw->data;
4688         fwclen = 0;
4689
4690         /* Validate firmware image by checking version. */
4691         if (blob->fw->size < 8 * sizeof(uint16_t)) {
4692                 qla_printk(KERN_WARNING, ha,
4693                     "Unable to verify integrity of firmware image (%Zd)!\n",
4694                     blob->fw->size);
4695                 goto fail_fw_integrity;
4696         }
4697         for (i = 0; i < 4; i++)
4698                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4699         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4700             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4701                 wcode[2] == 0 && wcode[3] == 0)) {
4702                 qla_printk(KERN_WARNING, ha,
4703                     "Unable to verify integrity of firmware image!\n");
4704                 qla_printk(KERN_WARNING, ha,
4705                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4706                     wcode[1], wcode[2], wcode[3]);
4707                 goto fail_fw_integrity;
4708         }
4709
4710         seg = blob->segs;
4711         while (*seg && rval == QLA_SUCCESS) {
4712                 risc_addr = *seg;
4713                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4714                 risc_size = be16_to_cpu(fwcode[3]);
4715
4716                 /* Validate firmware image size. */
4717                 fwclen += risc_size * sizeof(uint16_t);
4718                 if (blob->fw->size < fwclen) {
4719                         qla_printk(KERN_WARNING, ha,
4720                             "Unable to verify integrity of firmware image "
4721                             "(%Zd)!\n", blob->fw->size);
4722                         goto fail_fw_integrity;
4723                 }
4724
4725                 fragment = 0;
4726                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4727                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4728                         if (wlen > risc_size)
4729                                 wlen = risc_size;
4730
4731                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4732                             "addr %x, number of words 0x%x.\n", vha->host_no,
4733                             risc_addr, wlen));
4734
4735                         for (i = 0; i < wlen; i++)
4736                                 wcode[i] = swab16(fwcode[i]);
4737
4738                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4739                             wlen);
4740                         if (rval) {
4741                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4742                                     "segment %d of firmware\n", vha->host_no,
4743                                     fragment));
4744                                 qla_printk(KERN_WARNING, ha,
4745                                     "[ERROR] Failed to load segment %d of "
4746                                     "firmware\n", fragment);
4747                                 break;
4748                         }
4749
4750                         fwcode += wlen;
4751                         risc_addr += wlen;
4752                         risc_size -= wlen;
4753                         fragment++;
4754                 }
4755
4756                 /* Next segment. */
4757                 seg++;
4758         }
4759         return rval;
4760
4761 fail_fw_integrity:
4762         return QLA_FUNCTION_FAILED;
4763 }
4764
4765 static int
4766 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4767 {
4768         int     rval;
4769         int     segments, fragment;
4770         uint32_t *dcode, dlen;
4771         uint32_t risc_addr;
4772         uint32_t risc_size;
4773         uint32_t i;
4774         struct fw_blob *blob;
4775         uint32_t *fwcode, fwclen;
4776         struct qla_hw_data *ha = vha->hw;
4777         struct req_que *req = ha->req_q_map[0];
4778
4779         /* Load firmware blob. */
4780         blob = qla2x00_request_firmware(vha);
4781         if (!blob) {
4782                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4783                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4784                     "from: " QLA_FW_URL ".\n");
4785
4786                 return QLA_FUNCTION_FAILED;
4787         }
4788
4789         qla_printk(KERN_INFO, ha,
4790             "FW: Loading via request-firmware...\n");
4791
4792         rval = QLA_SUCCESS;
4793
4794         segments = FA_RISC_CODE_SEGMENTS;
4795         dcode = (uint32_t *)req->ring;
4796         *srisc_addr = 0;
4797         fwcode = (uint32_t *)blob->fw->data;
4798         fwclen = 0;
4799
4800         /* Validate firmware image by checking version. */
4801         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4802                 qla_printk(KERN_WARNING, ha,
4803                     "Unable to verify integrity of firmware image (%Zd)!\n",
4804                     blob->fw->size);
4805                 goto fail_fw_integrity;
4806         }
4807         for (i = 0; i < 4; i++)
4808                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4809         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4810             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4811             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4812                 dcode[3] == 0)) {
4813                 qla_printk(KERN_WARNING, ha,
4814                     "Unable to verify integrity of firmware image!\n");
4815                 qla_printk(KERN_WARNING, ha,
4816                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4817                     dcode[1], dcode[2], dcode[3]);
4818                 goto fail_fw_integrity;
4819         }
4820
4821         while (segments && rval == QLA_SUCCESS) {
4822                 risc_addr = be32_to_cpu(fwcode[2]);
4823                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4824                 risc_size = be32_to_cpu(fwcode[3]);
4825
4826                 /* Validate firmware image size. */
4827                 fwclen += risc_size * sizeof(uint32_t);
4828                 if (blob->fw->size < fwclen) {
4829                         qla_printk(KERN_WARNING, ha,
4830                             "Unable to verify integrity of firmware image "
4831                             "(%Zd)!\n", blob->fw->size);
4832
4833                         goto fail_fw_integrity;
4834                 }
4835
4836                 fragment = 0;
4837                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4838                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4839                         if (dlen > risc_size)
4840                                 dlen = risc_size;
4841
4842                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4843                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4844                             risc_addr, dlen));
4845
4846                         for (i = 0; i < dlen; i++)
4847                                 dcode[i] = swab32(fwcode[i]);
4848
4849                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4850                             dlen);
4851                         if (rval) {
4852                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4853                                     "segment %d of firmware\n", vha->host_no,
4854                                     fragment));
4855                                 qla_printk(KERN_WARNING, ha,
4856                                     "[ERROR] Failed to load segment %d of "
4857                                     "firmware\n", fragment);
4858                                 break;
4859                         }
4860
4861                         fwcode += dlen;
4862                         risc_addr += dlen;
4863                         risc_size -= dlen;
4864                         fragment++;
4865                 }
4866
4867                 /* Next segment. */
4868                 segments--;
4869         }
4870         return rval;
4871
4872 fail_fw_integrity:
4873         return QLA_FUNCTION_FAILED;
4874 }
4875
4876 int
4877 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4878 {
4879         int rval;
4880
4881         if (ql2xfwloadbin == 1)
4882                 return qla81xx_load_risc(vha, srisc_addr);
4883
4884         /*
4885          * FW Load priority:
4886          * 1) Firmware via request-firmware interface (.bin file).
4887          * 2) Firmware residing in flash.
4888          */
4889         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4890         if (rval == QLA_SUCCESS)
4891                 return rval;
4892
4893         return qla24xx_load_risc_flash(vha, srisc_addr,
4894             vha->hw->flt_region_fw);
4895 }
4896
4897 int
4898 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4899 {
4900         int rval;
4901         struct qla_hw_data *ha = vha->hw;
4902
4903         if (ql2xfwloadbin == 2)
4904                 goto try_blob_fw;
4905
4906         /*
4907          * FW Load priority:
4908          * 1) Firmware residing in flash.
4909          * 2) Firmware via request-firmware interface (.bin file).
4910          * 3) Golden-Firmware residing in flash -- limited operation.
4911          */
4912         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4913         if (rval == QLA_SUCCESS)
4914                 return rval;
4915
4916 try_blob_fw:
4917         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4918         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4919                 return rval;
4920
4921         qla_printk(KERN_ERR, ha,
4922             "FW: Attempting to fallback to golden firmware...\n");
4923         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4924         if (rval != QLA_SUCCESS)
4925                 return rval;
4926
4927         qla_printk(KERN_ERR, ha,
4928             "FW: Please update operational firmware...\n");
4929         ha->flags.running_gold_fw = 1;
4930
4931         return rval;
4932 }
4933
4934 void
4935 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4936 {
4937         int ret, retries;
4938         struct qla_hw_data *ha = vha->hw;
4939
4940         if (ha->flags.pci_channel_io_perm_failure)
4941                 return;
4942         if (!IS_FWI2_CAPABLE(ha))
4943                 return;
4944         if (!ha->fw_major_version)
4945                 return;
4946
4947         ret = qla2x00_stop_firmware(vha);
4948         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4949             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4950                 ha->isp_ops->reset_chip(vha);
4951                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4952                         continue;
4953                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4954                         continue;
4955                 qla_printk(KERN_INFO, ha,
4956                     "Attempting retry of stop-firmware command...\n");
4957                 ret = qla2x00_stop_firmware(vha);
4958         }
4959 }
4960
4961 int
4962 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4963 {
4964         int rval = QLA_SUCCESS;
4965         uint16_t mb[MAILBOX_REGISTER_COUNT];
4966         struct qla_hw_data *ha = vha->hw;
4967         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4968         struct req_que *req;
4969         struct rsp_que *rsp;
4970
4971         if (!vha->vp_idx)
4972                 return -EINVAL;
4973
4974         rval = qla2x00_fw_ready(base_vha);
4975         if (ha->flags.cpu_affinity_enabled)
4976                 req = ha->req_q_map[0];
4977         else
4978                 req = vha->req;
4979         rsp = req->rsp;
4980
4981         if (rval == QLA_SUCCESS) {
4982                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4983                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4984         }
4985
4986         vha->flags.management_server_logged_in = 0;
4987
4988         /* Login to SNS first */
4989         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4990         if (mb[0] != MBS_COMMAND_COMPLETE) {
4991                 DEBUG15(qla_printk(KERN_INFO, ha,
4992                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4993                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4994                     mb[0], mb[1], mb[2], mb[6], mb[7]));
4995                 return (QLA_FUNCTION_FAILED);
4996         }
4997
4998         atomic_set(&vha->loop_down_timer, 0);
4999         atomic_set(&vha->loop_state, LOOP_UP);
5000         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5001         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5002         rval = qla2x00_loop_resync(base_vha);
5003
5004         return rval;
5005 }
5006
5007 /* 84XX Support **************************************************************/
5008
5009 static LIST_HEAD(qla_cs84xx_list);
5010 static DEFINE_MUTEX(qla_cs84xx_mutex);
5011
5012 static struct qla_chip_state_84xx *
5013 qla84xx_get_chip(struct scsi_qla_host *vha)
5014 {
5015         struct qla_chip_state_84xx *cs84xx;
5016         struct qla_hw_data *ha = vha->hw;
5017
5018         mutex_lock(&qla_cs84xx_mutex);
5019
5020         /* Find any shared 84xx chip. */
5021         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5022                 if (cs84xx->bus == ha->pdev->bus) {
5023                         kref_get(&cs84xx->kref);
5024                         goto done;
5025                 }
5026         }
5027
5028         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5029         if (!cs84xx)
5030                 goto done;
5031
5032         kref_init(&cs84xx->kref);
5033         spin_lock_init(&cs84xx->access_lock);
5034         mutex_init(&cs84xx->fw_update_mutex);
5035         cs84xx->bus = ha->pdev->bus;
5036
5037         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5038 done:
5039         mutex_unlock(&qla_cs84xx_mutex);
5040         return cs84xx;
5041 }
5042
5043 static void
5044 __qla84xx_chip_release(struct kref *kref)
5045 {
5046         struct qla_chip_state_84xx *cs84xx =
5047             container_of(kref, struct qla_chip_state_84xx, kref);
5048
5049         mutex_lock(&qla_cs84xx_mutex);
5050         list_del(&cs84xx->list);
5051         mutex_unlock(&qla_cs84xx_mutex);
5052         kfree(cs84xx);
5053 }
5054
5055 void
5056 qla84xx_put_chip(struct scsi_qla_host *vha)
5057 {
5058         struct qla_hw_data *ha = vha->hw;
5059         if (ha->cs84xx)
5060                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5061 }
5062
5063 static int
5064 qla84xx_init_chip(scsi_qla_host_t *vha)
5065 {
5066         int rval;
5067         uint16_t status[2];
5068         struct qla_hw_data *ha = vha->hw;
5069
5070         mutex_lock(&ha->cs84xx->fw_update_mutex);
5071
5072         rval = qla84xx_verify_chip(vha, status);
5073
5074         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5075
5076         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5077             QLA_SUCCESS;
5078 }
5079
5080 /* 81XX Support **************************************************************/
5081
5082 int
5083 qla81xx_nvram_config(scsi_qla_host_t *vha)
5084 {
5085         int   rval;
5086         struct init_cb_81xx *icb;
5087         struct nvram_81xx *nv;
5088         uint32_t *dptr;
5089         uint8_t  *dptr1, *dptr2;
5090         uint32_t chksum;
5091         uint16_t cnt;
5092         struct qla_hw_data *ha = vha->hw;
5093
5094         rval = QLA_SUCCESS;
5095         icb = (struct init_cb_81xx *)ha->init_cb;
5096         nv = ha->nvram;
5097
5098         /* Determine NVRAM starting address. */
5099         ha->nvram_size = sizeof(struct nvram_81xx);
5100         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5101
5102         /* Get VPD data into cache */
5103         ha->vpd = ha->nvram + VPD_OFFSET;
5104         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5105             ha->vpd_size);
5106
5107         /* Get NVRAM data into cache and calculate checksum. */
5108         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5109             ha->nvram_size);
5110         dptr = (uint32_t *)nv;
5111         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5112                 chksum += le32_to_cpu(*dptr++);
5113
5114         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
5115         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
5116
5117         /* Bad NVRAM data, set defaults parameters. */
5118         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5119             || nv->id[3] != ' ' ||
5120             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5121                 /* Reset NVRAM data. */
5122                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
5123                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
5124                     le16_to_cpu(nv->nvram_version));
5125                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
5126                     "invalid -- WWPN) defaults.\n");
5127
5128                 /*
5129                  * Set default initialization control block.
5130                  */
5131                 memset(nv, 0, ha->nvram_size);
5132                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5133                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5134                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5135                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5136                 nv->exchange_count = __constant_cpu_to_le16(0);
5137                 nv->port_name[0] = 0x21;
5138                 nv->port_name[1] = 0x00 + ha->port_no;
5139                 nv->port_name[2] = 0x00;
5140                 nv->port_name[3] = 0xe0;
5141                 nv->port_name[4] = 0x8b;
5142                 nv->port_name[5] = 0x1c;
5143                 nv->port_name[6] = 0x55;
5144                 nv->port_name[7] = 0x86;
5145                 nv->node_name[0] = 0x20;
5146                 nv->node_name[1] = 0x00;
5147                 nv->node_name[2] = 0x00;
5148                 nv->node_name[3] = 0xe0;
5149                 nv->node_name[4] = 0x8b;
5150                 nv->node_name[5] = 0x1c;
5151                 nv->node_name[6] = 0x55;
5152                 nv->node_name[7] = 0x86;
5153                 nv->login_retry_count = __constant_cpu_to_le16(8);
5154                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5155                 nv->login_timeout = __constant_cpu_to_le16(0);
5156                 nv->firmware_options_1 =
5157                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5158                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5159                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5160                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5161                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5162                 nv->efi_parameters = __constant_cpu_to_le32(0);
5163                 nv->reset_delay = 5;
5164                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5165                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5166                 nv->link_down_timeout = __constant_cpu_to_le16(30);
5167                 nv->enode_mac[0] = 0x00;
5168                 nv->enode_mac[1] = 0x02;
5169                 nv->enode_mac[2] = 0x03;
5170                 nv->enode_mac[3] = 0x04;
5171                 nv->enode_mac[4] = 0x05;
5172                 nv->enode_mac[5] = 0x06 + ha->port_no;
5173
5174                 rval = 1;
5175         }
5176
5177         /* Reset Initialization control block */
5178         memset(icb, 0, sizeof(struct init_cb_81xx));
5179
5180         /* Copy 1st segment. */
5181         dptr1 = (uint8_t *)icb;
5182         dptr2 = (uint8_t *)&nv->version;
5183         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5184         while (cnt--)
5185                 *dptr1++ = *dptr2++;
5186
5187         icb->login_retry_count = nv->login_retry_count;
5188
5189         /* Copy 2nd segment. */
5190         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5191         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5192         cnt = (uint8_t *)&icb->reserved_5 -
5193             (uint8_t *)&icb->interrupt_delay_timer;
5194         while (cnt--)
5195                 *dptr1++ = *dptr2++;
5196
5197         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5198         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5199         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5200                 icb->enode_mac[0] = 0x01;
5201                 icb->enode_mac[1] = 0x02;
5202                 icb->enode_mac[2] = 0x03;
5203                 icb->enode_mac[3] = 0x04;
5204                 icb->enode_mac[4] = 0x05;
5205                 icb->enode_mac[5] = 0x06 + ha->port_no;
5206         }
5207
5208         /* Use extended-initialization control block. */
5209         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5210
5211         /*
5212          * Setup driver NVRAM options.
5213          */
5214         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5215             "QLE8XXX");
5216
5217         /* Use alternate WWN? */
5218         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5219                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5220                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5221         }
5222
5223         /* Prepare nodename */
5224         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5225                 /*
5226                  * Firmware will apply the following mask if the nodename was
5227                  * not provided.
5228                  */
5229                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5230                 icb->node_name[0] &= 0xF0;
5231         }
5232
5233         /* Set host adapter parameters. */
5234         ha->flags.disable_risc_code_load = 0;
5235         ha->flags.enable_lip_reset = 0;
5236         ha->flags.enable_lip_full_login =
5237             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5238         ha->flags.enable_target_reset =
5239             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5240         ha->flags.enable_led_scheme = 0;
5241         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5242
5243         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5244             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5245
5246         /* save HBA serial number */
5247         ha->serial0 = icb->port_name[5];
5248         ha->serial1 = icb->port_name[6];
5249         ha->serial2 = icb->port_name[7];
5250         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5251         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5252
5253         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5254
5255         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5256
5257         /* Set minimum login_timeout to 4 seconds. */
5258         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5259                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5260         if (le16_to_cpu(nv->login_timeout) < 4)
5261                 nv->login_timeout = __constant_cpu_to_le16(4);
5262         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5263         icb->login_timeout = nv->login_timeout;
5264
5265         /* Set minimum RATOV to 100 tenths of a second. */
5266         ha->r_a_tov = 100;
5267
5268         ha->loop_reset_delay = nv->reset_delay;
5269
5270         /* Link Down Timeout = 0:
5271          *
5272          *      When Port Down timer expires we will start returning
5273          *      I/O's to OS with "DID_NO_CONNECT".
5274          *
5275          * Link Down Timeout != 0:
5276          *
5277          *       The driver waits for the link to come up after link down
5278          *       before returning I/Os to OS with "DID_NO_CONNECT".
5279          */
5280         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5281                 ha->loop_down_abort_time =
5282                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5283         } else {
5284                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5285                 ha->loop_down_abort_time =
5286                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5287         }
5288
5289         /* Need enough time to try and get the port back. */
5290         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5291         if (qlport_down_retry)
5292                 ha->port_down_retry_count = qlport_down_retry;
5293
5294         /* Set login_retry_count */
5295         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5296         if (ha->port_down_retry_count ==
5297             le16_to_cpu(nv->port_down_retry_count) &&
5298             ha->port_down_retry_count > 3)
5299                 ha->login_retry_count = ha->port_down_retry_count;
5300         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5301                 ha->login_retry_count = ha->port_down_retry_count;
5302         if (ql2xloginretrycount)
5303                 ha->login_retry_count = ql2xloginretrycount;
5304
5305         /* Enable ZIO. */
5306         if (!vha->flags.init_done) {
5307                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5308                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5309                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5310                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5311         }
5312         icb->firmware_options_2 &= __constant_cpu_to_le32(
5313             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5314         vha->flags.process_response_queue = 0;
5315         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5316                 ha->zio_mode = QLA_ZIO_MODE_6;
5317
5318                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
5319                     "(%d us).\n", vha->host_no, ha->zio_mode,
5320                     ha->zio_timer * 100));
5321                 qla_printk(KERN_INFO, ha,
5322                     "ZIO mode %d enabled; timer delay (%d us).\n",
5323                     ha->zio_mode, ha->zio_timer * 100);
5324
5325                 icb->firmware_options_2 |= cpu_to_le32(
5326                     (uint32_t)ha->zio_mode);
5327                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5328                 vha->flags.process_response_queue = 1;
5329         }
5330
5331         if (rval) {
5332                 DEBUG2_3(printk(KERN_WARNING
5333                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
5334         }
5335         return (rval);
5336 }
5337
5338 int
5339 qla82xx_restart_isp(scsi_qla_host_t *vha)
5340 {
5341         int status, rval;
5342         uint32_t wait_time;
5343         struct qla_hw_data *ha = vha->hw;
5344         struct req_que *req = ha->req_q_map[0];
5345         struct rsp_que *rsp = ha->rsp_q_map[0];
5346         struct scsi_qla_host *vp;
5347         unsigned long flags;
5348
5349         status = qla2x00_init_rings(vha);
5350         if (!status) {
5351                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5352                 ha->flags.chip_reset_done = 1;
5353
5354                 status = qla2x00_fw_ready(vha);
5355                 if (!status) {
5356                         qla_printk(KERN_INFO, ha,
5357                         "%s(): Start configure loop, "
5358                         "status = %d\n", __func__, status);
5359
5360                         /* Issue a marker after FW becomes ready. */
5361                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5362
5363                         vha->flags.online = 1;
5364                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5365                         wait_time = 256;
5366                         do {
5367                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5368                                 qla2x00_configure_loop(vha);
5369                                 wait_time--;
5370                         } while (!atomic_read(&vha->loop_down_timer) &&
5371                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5372                             wait_time &&
5373                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5374                 }
5375
5376                 /* if no cable then assume it's good */
5377                 if ((vha->device_flags & DFLG_NO_CABLE))
5378                         status = 0;
5379
5380                 qla_printk(KERN_INFO, ha,
5381                         "%s(): Configure loop done, status = 0x%x\n",
5382                         __func__, status);
5383         }
5384
5385         if (!status) {
5386                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5387
5388                 if (!atomic_read(&vha->loop_down_timer)) {
5389                         /*
5390                          * Issue marker command only when we are going
5391                          * to start the I/O .
5392                          */
5393                         vha->marker_needed = 1;
5394                 }
5395
5396                 vha->flags.online = 1;
5397
5398                 ha->isp_ops->enable_intrs(ha);
5399
5400                 ha->isp_abort_cnt = 0;
5401                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5402
5403                 if (ha->fce) {
5404                         ha->flags.fce_enabled = 1;
5405                         memset(ha->fce, 0,
5406                             fce_calc_size(ha->fce_bufs));
5407                         rval = qla2x00_enable_fce_trace(vha,
5408                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5409                             &ha->fce_bufs);
5410                         if (rval) {
5411                                 qla_printk(KERN_WARNING, ha,
5412                                     "Unable to reinitialize FCE "
5413                                     "(%d).\n", rval);
5414                                 ha->flags.fce_enabled = 0;
5415                         }
5416                 }
5417
5418                 if (ha->eft) {
5419                         memset(ha->eft, 0, EFT_SIZE);
5420                         rval = qla2x00_enable_eft_trace(vha,
5421                             ha->eft_dma, EFT_NUM_BUFFERS);
5422                         if (rval) {
5423                                 qla_printk(KERN_WARNING, ha,
5424                                     "Unable to reinitialize EFT "
5425                                     "(%d).\n", rval);
5426                         }
5427                 }
5428         }
5429
5430         if (!status) {
5431                 DEBUG(printk(KERN_INFO
5432                         "qla82xx_restart_isp(%ld): succeeded.\n",
5433                         vha->host_no));
5434
5435                 spin_lock_irqsave(&ha->vport_slock, flags);
5436                 list_for_each_entry(vp, &ha->vp_list, list) {
5437                         if (vp->vp_idx) {
5438                                 atomic_inc(&vp->vref_count);
5439                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5440
5441                                 qla2x00_vp_abort_isp(vp);
5442
5443                                 spin_lock_irqsave(&ha->vport_slock, flags);
5444                                 atomic_dec(&vp->vref_count);
5445                         }
5446                 }
5447                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5448
5449         } else {
5450                 qla_printk(KERN_INFO, ha,
5451                         "qla82xx_restart_isp: **** FAILED ****\n");
5452         }
5453
5454         return status;
5455 }
5456
5457 void
5458 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5459 {
5460         struct qla_hw_data *ha = vha->hw;
5461
5462         if (!ql2xetsenable)
5463                 return;
5464
5465         /* Enable ETS Burst. */
5466         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5467         ha->fw_options[2] |= BIT_9;
5468         qla2x00_set_fw_options(vha, ha->fw_options);
5469 }
5470
5471 /*
5472  * qla24xx_get_fcp_prio
5473  *      Gets the fcp cmd priority value for the logged in port.
5474  *      Looks for a match of the port descriptors within
5475  *      each of the fcp prio config entries. If a match is found,
5476  *      the tag (priority) value is returned.
5477  *
5478  * Input:
5479  *      vha = scsi host structure pointer.
5480  *      fcport = port structure pointer.
5481  *
5482  * Return:
5483  *      non-zero (if found)
5484  *      0 (if not found)
5485  *
5486  * Context:
5487  *      Kernel context
5488  */
5489 uint8_t
5490 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5491 {
5492         int i, entries;
5493         uint8_t pid_match, wwn_match;
5494         uint8_t priority;
5495         uint32_t pid1, pid2;
5496         uint64_t wwn1, wwn2;
5497         struct qla_fcp_prio_entry *pri_entry;
5498         struct qla_hw_data *ha = vha->hw;
5499
5500         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5501                 return 0;
5502
5503         priority = 0;
5504         entries = ha->fcp_prio_cfg->num_entries;
5505         pri_entry = &ha->fcp_prio_cfg->entry[0];
5506
5507         for (i = 0; i < entries; i++) {
5508                 pid_match = wwn_match = 0;
5509
5510                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5511                         pri_entry++;
5512                         continue;
5513                 }
5514
5515                 /* check source pid for a match */
5516                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5517                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5518                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5519                         if (pid1 == INVALID_PORT_ID)
5520                                 pid_match++;
5521                         else if (pid1 == pid2)
5522                                 pid_match++;
5523                 }
5524
5525                 /* check destination pid for a match */
5526                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5527                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5528                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5529                         if (pid1 == INVALID_PORT_ID)
5530                                 pid_match++;
5531                         else if (pid1 == pid2)
5532                                 pid_match++;
5533                 }
5534
5535                 /* check source WWN for a match */
5536                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5537                         wwn1 = wwn_to_u64(vha->port_name);
5538                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5539                         if (wwn2 == (uint64_t)-1)
5540                                 wwn_match++;
5541                         else if (wwn1 == wwn2)
5542                                 wwn_match++;
5543                 }
5544
5545                 /* check destination WWN for a match */
5546                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5547                         wwn1 = wwn_to_u64(fcport->port_name);
5548                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5549                         if (wwn2 == (uint64_t)-1)
5550                                 wwn_match++;
5551                         else if (wwn1 == wwn2)
5552                                 wwn_match++;
5553                 }
5554
5555                 if (pid_match == 2 || wwn_match == 2) {
5556                         /* Found a matching entry */
5557                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5558                                 priority = pri_entry->tag;
5559                         break;
5560                 }
5561
5562                 pri_entry++;
5563         }
5564
5565         return priority;
5566 }
5567
5568 /*
5569  * qla24xx_update_fcport_fcp_prio
5570  *      Activates fcp priority for the logged in fc port
5571  *
5572  * Input:
5573  *      vha = scsi host structure pointer.
5574  *      fcp = port structure pointer.
5575  *
5576  * Return:
5577  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5578  *
5579  * Context:
5580  *      Kernel context.
5581  */
5582 int
5583 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5584 {
5585         int ret;
5586         uint8_t priority;
5587         uint16_t mb[5];
5588
5589         if (fcport->port_type != FCT_TARGET ||
5590             fcport->loop_id == FC_NO_LOOP_ID)
5591                 return QLA_FUNCTION_FAILED;
5592
5593         priority = qla24xx_get_fcp_prio(vha, fcport);
5594         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
5595         if (ret == QLA_SUCCESS)
5596                 fcport->fcp_prio = priority;
5597         else
5598                 DEBUG2(printk(KERN_WARNING
5599                         "scsi(%ld): Unable to activate fcp priority, "
5600                         " ret=0x%x\n", vha->host_no, ret));
5601
5602         return  ret;
5603 }
5604
5605 /*
5606  * qla24xx_update_all_fcp_prio
5607  *      Activates fcp priority for all the logged in ports
5608  *
5609  * Input:
5610  *      ha = adapter block pointer.
5611  *
5612  * Return:
5613  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5614  *
5615  * Context:
5616  *      Kernel context.
5617  */
5618 int
5619 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5620 {
5621         int ret;
5622         fc_port_t *fcport;
5623
5624         ret = QLA_FUNCTION_FAILED;
5625         /* We need to set priority for all logged in ports */
5626         list_for_each_entry(fcport, &vha->vp_fcports, list)
5627                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5628
5629         return ret;
5630 }