drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2013 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #include "qla_gbl.h"
   9
  10 #include <linux/delay.h>
  11 #include <linux/slab.h>
  12 #include <linux/vmalloc.h>
  13
  14 #include "qla_devtbl.h"
  15
  16 #ifdef CONFIG_SPARC
  17 #include <asm/prom.h>
  18 #endif
  19
  20 #include <target/target_core_base.h>
  21 #include "qla_target.h"
  22
  23 /*
  24 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  25 */
  26 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  27 static int qla2x00_setup_chip(scsi_qla_host_t *);
  28 static int qla2x00_fw_ready(scsi_qla_host_t *);
  29 static int qla2x00_configure_hba(scsi_qla_host_t *);
  30 static int qla2x00_configure_loop(scsi_qla_host_t *);
  31 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  32 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  33 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
  34 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
  35     uint16_t *);
  36
  37 static int qla2x00_restart_isp(scsi_qla_host_t *);
  38
  39 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  40 static int qla84xx_init_chip(scsi_qla_host_t *);
  41 static int qla25xx_init_queues(struct qla_hw_data *);
  42
  43 /* SRB Extensions ---------------------------------------------------------- */
  44
  45 void
  46 qla2x00_sp_timeout(unsigned long __data)
  47 {
  48         srb_t *sp = (srb_t *)__data;
  49         struct srb_iocb *iocb;
  50         fc_port_t *fcport = sp->fcport;
  51         struct qla_hw_data *ha = fcport->vha->hw;
  52         struct req_que *req;
  53         unsigned long flags;
  54
  55         spin_lock_irqsave(&ha->hardware_lock, flags);
  56         req = ha->req_q_map[0];
  57         req->outstanding_cmds[sp->handle] = NULL;
  58         iocb = &sp->u.iocb_cmd;
  59         iocb->timeout(sp);
  60         sp->free(fcport->vha, sp);
  61         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  62 }
  63
  64 void
  65 qla2x00_sp_free(void *data, void *ptr)
  66 {
  67         srb_t *sp = (srb_t *)ptr;
  68         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  69         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
  70
  71         del_timer(&iocb->timer);
  72         qla2x00_rel_sp(vha, sp);
  73 }
  74
  75 /* Asynchronous Login/Logout Routines -------------------------------------- */
  76
  77 unsigned long
  78 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
  79 {
  80         unsigned long tmo;
  81         struct qla_hw_data *ha = vha->hw;
  82
  83         /* Firmware should use switch negotiated r_a_tov for timeout. */
  84         tmo = ha->r_a_tov / 10 * 2;
  85         if (IS_QLAFX00(ha)) {
  86                 tmo = FX00_DEF_RATOV * 2;
  87         } else if (!IS_FWI2_CAPABLE(ha)) {
  88                 /*
  89                  * Except for earlier ISPs where the timeout is seeded from the
  90                  * initialization control block.
  91                  */
  92                 tmo = ha->login_timeout;
  93         }
  94         return tmo;
  95 }
  96
  97 static void
  98 qla2x00_async_iocb_timeout(void *data)
  99 {
 100         srb_t *sp = (srb_t *)data;
 101         fc_port_t *fcport = sp->fcport;
 102
 103         ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 104             "Async-%s timeout - hdl=%x portid=%02x%02x%02x.\n",
 105             sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
 106             fcport->d_id.b.al_pa);
 107
 108         fcport->flags &= ~FCF_ASYNC_SENT;
 109         if (sp->type == SRB_LOGIN_CMD) {
 110                 struct srb_iocb *lio = &sp->u.iocb_cmd;
 111                 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 112                 /* Retry as needed. */
 113                 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 114                 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 115                         QLA_LOGIO_LOGIN_RETRIED : 0;
 116                 qla2x00_post_async_login_done_work(fcport->vha, fcport,
 117                         lio->u.logio.data);
 118         }
 119 }
 120
 121 static void
 122 qla2x00_async_login_sp_done(void *data, void *ptr, int res)
 123 {
 124         srb_t *sp = (srb_t *)ptr;
 125         struct srb_iocb *lio = &sp->u.iocb_cmd;
 126         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 127
 128         if (!test_bit(UNLOADING, &vha->dpc_flags))
 129                 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
 130                     lio->u.logio.data);
 131         sp->free(sp->fcport->vha, sp);
 132 }
 133
 134 int
 135 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 136     uint16_t *data)
 137 {
 138         srb_t *sp;
 139         struct srb_iocb *lio;
 140         int rval;
 141
 142         rval = QLA_FUNCTION_FAILED;
 143         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 144         if (!sp)
 145                 goto done;
 146
 147         sp->type = SRB_LOGIN_CMD;
 148         sp->name = "login";
 149         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 150
 151         lio = &sp->u.iocb_cmd;
 152         lio->timeout = qla2x00_async_iocb_timeout;
 153         sp->done = qla2x00_async_login_sp_done;
 154         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 155         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 156                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 157         rval = qla2x00_start_sp(sp);
 158         if (rval != QLA_SUCCESS)
 159                 goto done_free_sp;
 160
 161         ql_dbg(ql_dbg_disc, vha, 0x2072,
 162             "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
 163             "retries=%d.\n", sp->handle, fcport->loop_id,
 164             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 165             fcport->login_retry);
 166         return rval;
 167
 168 done_free_sp:
 169         sp->free(fcport->vha, sp);
 170 done:
 171         return rval;
 172 }
 173
 174 static void
 175 qla2x00_async_logout_sp_done(void *data, void *ptr, int res)
 176 {
 177         srb_t *sp = (srb_t *)ptr;
 178         struct srb_iocb *lio = &sp->u.iocb_cmd;
 179         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 180
 181         if (!test_bit(UNLOADING, &vha->dpc_flags))
 182                 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
 183                     lio->u.logio.data);
 184         sp->free(sp->fcport->vha, sp);
 185 }
 186
 187 int
 188 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 189 {
 190         srb_t *sp;
 191         struct srb_iocb *lio;
 192         int rval;
 193
 194         rval = QLA_FUNCTION_FAILED;
 195         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 196         if (!sp)
 197                 goto done;
 198
 199         sp->type = SRB_LOGOUT_CMD;
 200         sp->name = "logout";
 201         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 202
 203         lio = &sp->u.iocb_cmd;
 204         lio->timeout = qla2x00_async_iocb_timeout;
 205         sp->done = qla2x00_async_logout_sp_done;
 206         rval = qla2x00_start_sp(sp);
 207         if (rval != QLA_SUCCESS)
 208                 goto done_free_sp;
 209
 210         ql_dbg(ql_dbg_disc, vha, 0x2070,
 211             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 212             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 213             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 214         return rval;
 215
 216 done_free_sp:
 217         sp->free(fcport->vha, sp);
 218 done:
 219         return rval;
 220 }
 221
 222 static void
 223 qla2x00_async_adisc_sp_done(void *data, void *ptr, int res)
 224 {
 225         srb_t *sp = (srb_t *)ptr;
 226         struct srb_iocb *lio = &sp->u.iocb_cmd;
 227         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 228
 229         if (!test_bit(UNLOADING, &vha->dpc_flags))
 230                 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
 231                     lio->u.logio.data);
 232         sp->free(sp->fcport->vha, sp);
 233 }
 234
 235 int
 236 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 237     uint16_t *data)
 238 {
 239         srb_t *sp;
 240         struct srb_iocb *lio;
 241         int rval;
 242
 243         rval = QLA_FUNCTION_FAILED;
 244         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 245         if (!sp)
 246                 goto done;
 247
 248         sp->type = SRB_ADISC_CMD;
 249         sp->name = "adisc";
 250         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 251
 252         lio = &sp->u.iocb_cmd;
 253         lio->timeout = qla2x00_async_iocb_timeout;
 254         sp->done = qla2x00_async_adisc_sp_done;
 255         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 256                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 257         rval = qla2x00_start_sp(sp);
 258         if (rval != QLA_SUCCESS)
 259                 goto done_free_sp;
 260
 261         ql_dbg(ql_dbg_disc, vha, 0x206f,
 262             "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
 263             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 264             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 265         return rval;
 266
 267 done_free_sp:
 268         sp->free(fcport->vha, sp);
 269 done:
 270         return rval;
 271 }
 272
 273 static void
 274 qla2x00_async_tm_cmd_done(void *data, void *ptr, int res)
 275 {
 276         srb_t *sp = (srb_t *)ptr;
 277         struct srb_iocb *iocb = &sp->u.iocb_cmd;
 278         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 279         uint32_t flags;
 280         uint16_t lun;
 281         int rval;
 282
 283         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 284                 flags = iocb->u.tmf.flags;
 285                 lun = (uint16_t)iocb->u.tmf.lun;
 286
 287                 /* Issue Marker IOCB */
 288                 rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
 289                         vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
 290                         flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
 291
 292                 if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
 293                         ql_dbg(ql_dbg_taskm, vha, 0x8030,
 294                             "TM IOCB failed (%x).\n", rval);
 295                 }
 296         }
 297         sp->free(sp->fcport->vha, sp);
 298 }
 299
 300 int
 301 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t tm_flags, uint32_t lun,
 302         uint32_t tag)
 303 {
 304         struct scsi_qla_host *vha = fcport->vha;
 305         srb_t *sp;
 306         struct srb_iocb *tcf;
 307         int rval;
 308
 309         rval = QLA_FUNCTION_FAILED;
 310         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 311         if (!sp)
 312                 goto done;
 313
 314         sp->type = SRB_TM_CMD;
 315         sp->name = "tmf";
 316         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 317
 318         tcf = &sp->u.iocb_cmd;
 319         tcf->u.tmf.flags = tm_flags;
 320         tcf->u.tmf.lun = lun;
 321         tcf->u.tmf.data = tag;
 322         tcf->timeout = qla2x00_async_iocb_timeout;
 323         sp->done = qla2x00_async_tm_cmd_done;
 324
 325         rval = qla2x00_start_sp(sp);
 326         if (rval != QLA_SUCCESS)
 327                 goto done_free_sp;
 328
 329         ql_dbg(ql_dbg_taskm, vha, 0x802f,
 330             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 331             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 332             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 333         return rval;
 334
 335 done_free_sp:
 336         sp->free(fcport->vha, sp);
 337 done:
 338         return rval;
 339 }
 340
 341 void
 342 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 343     uint16_t *data)
 344 {
 345         int rval;
 346
 347         switch (data[0]) {
 348         case MBS_COMMAND_COMPLETE:
 349                 /*
 350                  * Driver must validate login state - If PRLI not complete,
 351                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
 352                  * requests.
 353                  */
 354                 rval = qla2x00_get_port_database(vha, fcport, 0);
 355                 if (rval == QLA_NOT_LOGGED_IN) {
 356                         fcport->flags &= ~FCF_ASYNC_SENT;
 357                         fcport->flags |= FCF_LOGIN_NEEDED;
 358                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 359                         break;
 360                 }
 361
 362                 if (rval != QLA_SUCCESS) {
 363                         qla2x00_post_async_logout_work(vha, fcport, NULL);
 364                         qla2x00_post_async_login_work(vha, fcport, NULL);
 365                         break;
 366                 }
 367                 if (fcport->flags & FCF_FCP2_DEVICE) {
 368                         qla2x00_post_async_adisc_work(vha, fcport, data);
 369                         break;
 370                 }
 371                 qla2x00_update_fcport(vha, fcport);
 372                 break;
 373         case MBS_COMMAND_ERROR:
 374                 fcport->flags &= ~FCF_ASYNC_SENT;
 375                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 376                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 377                 else
 378                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 379                 break;
 380         case MBS_PORT_ID_USED:
 381                 fcport->loop_id = data[1];
 382                 qla2x00_post_async_logout_work(vha, fcport, NULL);
 383                 qla2x00_post_async_login_work(vha, fcport, NULL);
 384                 break;
 385         case MBS_LOOP_ID_USED:
 386                 fcport->loop_id++;
 387                 rval = qla2x00_find_new_loop_id(vha, fcport);
 388                 if (rval != QLA_SUCCESS) {
 389                         fcport->flags &= ~FCF_ASYNC_SENT;
 390                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 391                         break;
 392                 }
 393                 qla2x00_post_async_login_work(vha, fcport, NULL);
 394                 break;
 395         }
 396         return;
 397 }
 398
 399 void
 400 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 401     uint16_t *data)
 402 {
 403         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 404         return;
 405 }
 406
 407 void
 408 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 409     uint16_t *data)
 410 {
 411         if (data[0] == MBS_COMMAND_COMPLETE) {
 412                 qla2x00_update_fcport(vha, fcport);
 413
 414                 return;
 415         }
 416
 417         /* Retry login. */
 418         fcport->flags &= ~FCF_ASYNC_SENT;
 419         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 420                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 421         else
 422                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 423
 424         return;
 425 }
 426
 427 /****************************************************************************/
 428 /*                QLogic ISP2x00 Hardware Support Functions.                */
 429 /****************************************************************************/
 430
 431 static int
 432 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
 433 {
 434         int rval = QLA_SUCCESS;
 435         struct qla_hw_data *ha = vha->hw;
 436         uint32_t idc_major_ver, idc_minor_ver;
 437         uint16_t config[4];
 438
 439         qla83xx_idc_lock(vha, 0);
 440
 441         /* SV: TODO: Assign initialization timeout from
 442          * flash-info / other param
 443          */
 444         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
 445         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
 446
 447         /* Set our fcoe function presence */
 448         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
 449                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
 450                     "Error while setting DRV-Presence.\n");
 451                 rval = QLA_FUNCTION_FAILED;
 452                 goto exit;
 453         }
 454
 455         /* Decide the reset ownership */
 456         qla83xx_reset_ownership(vha);
 457
 458         /*
 459          * On first protocol driver load:
 460          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
 461          * register.
 462          * Others: Check compatibility with current IDC Major version.
 463          */
 464         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
 465         if (ha->flags.nic_core_reset_owner) {
 466                 /* Set IDC Major version */
 467                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
 468                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
 469
 470                 /* Clearing IDC-Lock-Recovery register */
 471                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
 472         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
 473                 /*
 474                  * Clear further IDC participation if we are not compatible with
 475                  * the current IDC Major Version.
 476                  */
 477                 ql_log(ql_log_warn, vha, 0xb07d,
 478                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
 479                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
 480                 __qla83xx_clear_drv_presence(vha);
 481                 rval = QLA_FUNCTION_FAILED;
 482                 goto exit;
 483         }
 484         /* Each function sets its supported Minor version. */
 485         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
 486         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
 487         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
 488
 489         if (ha->flags.nic_core_reset_owner) {
 490                 memset(config, 0, sizeof(config));
 491                 if (!qla81xx_get_port_config(vha, config))
 492                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 493                             QLA8XXX_DEV_READY);
 494         }
 495
 496         rval = qla83xx_idc_state_handler(vha);
 497
 498 exit:
 499         qla83xx_idc_unlock(vha, 0);
 500
 501         return rval;
 502 }
 503
 504 /*
 505 * qla2x00_initialize_adapter
 506 *      Initialize board.
 507 *
 508 * Input:
 509 *      ha = adapter block pointer.
 510 *
 511 * Returns:
 512 *      0 = success
 513 */
 514 int
 515 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 516 {
 517         int     rval;
 518         struct qla_hw_data *ha = vha->hw;
 519         struct req_que *req = ha->req_q_map[0];
 520
 521         /* Clear adapter flags. */
 522         vha->flags.online = 0;
 523         ha->flags.chip_reset_done = 0;
 524         vha->flags.reset_active = 0;
 525         ha->flags.pci_channel_io_perm_failure = 0;
 526         ha->flags.eeh_busy = 0;
 527         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
 528         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 529         atomic_set(&vha->loop_state, LOOP_DOWN);
 530         vha->device_flags = DFLG_NO_CABLE;
 531         vha->dpc_flags = 0;
 532         vha->flags.management_server_logged_in = 0;
 533         vha->marker_needed = 0;
 534         ha->isp_abort_cnt = 0;
 535         ha->beacon_blink_led = 0;
 536
 537         set_bit(0, ha->req_qid_map);
 538         set_bit(0, ha->rsp_qid_map);
 539
 540         ql_dbg(ql_dbg_init, vha, 0x0040,
 541             "Configuring PCI space...\n");
 542         rval = ha->isp_ops->pci_config(vha);
 543         if (rval) {
 544                 ql_log(ql_log_warn, vha, 0x0044,
 545                     "Unable to configure PCI space.\n");
 546                 return (rval);
 547         }
 548
 549         ha->isp_ops->reset_chip(vha);
 550
 551         rval = qla2xxx_get_flash_info(vha);
 552         if (rval) {
 553                 ql_log(ql_log_fatal, vha, 0x004f,
 554                     "Unable to validate FLASH data.\n");
 555                 return rval;
 556         }
 557
 558         if (IS_QLA8044(ha)) {
 559                 qla8044_read_reset_template(vha);
 560
 561                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
 562                  * If DONRESET_BIT0 is set, drivers should not set dev_state
 563                  * to NEED_RESET. But if NEED_RESET is set, drivers should
 564                  * should honor the reset. */
 565                 if (ql2xdontresethba == 1)
 566                         qla8044_set_idc_dontreset(vha);
 567         }
 568
 569         ha->isp_ops->get_flash_version(vha, req->ring);
 570         ql_dbg(ql_dbg_init, vha, 0x0061,
 571             "Configure NVRAM parameters...\n");
 572
 573         ha->isp_ops->nvram_config(vha);
 574
 575         if (ha->flags.disable_serdes) {
 576                 /* Mask HBA via NVRAM settings? */
 577                 ql_log(ql_log_info, vha, 0x0077,
 578                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
 579                 return QLA_FUNCTION_FAILED;
 580         }
 581
 582         ql_dbg(ql_dbg_init, vha, 0x0078,
 583             "Verifying loaded RISC code...\n");
 584
 585         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 586                 rval = ha->isp_ops->chip_diag(vha);
 587                 if (rval)
 588                         return (rval);
 589                 rval = qla2x00_setup_chip(vha);
 590                 if (rval)
 591                         return (rval);
 592         }
 593
 594         if (IS_QLA84XX(ha)) {
 595                 ha->cs84xx = qla84xx_get_chip(vha);
 596                 if (!ha->cs84xx) {
 597                         ql_log(ql_log_warn, vha, 0x00d0,
 598                             "Unable to configure ISP84XX.\n");
 599                         return QLA_FUNCTION_FAILED;
 600                 }
 601         }
 602
 603         if (qla_ini_mode_enabled(vha))
 604                 rval = qla2x00_init_rings(vha);
 605
 606         ha->flags.chip_reset_done = 1;
 607
 608         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 609                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 610                 rval = qla84xx_init_chip(vha);
 611                 if (rval != QLA_SUCCESS) {
 612                         ql_log(ql_log_warn, vha, 0x00d4,
 613                             "Unable to initialize ISP84XX.\n");
 614                 qla84xx_put_chip(vha);
 615                 }
 616         }
 617
 618         /* Load the NIC Core f/w if we are the first protocol driver. */
 619         if (IS_QLA8031(ha)) {
 620                 rval = qla83xx_nic_core_fw_load(vha);
 621                 if (rval)
 622                         ql_log(ql_log_warn, vha, 0x0124,
 623                             "Error in initializing NIC Core f/w.\n");
 624         }
 625
 626         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 627                 qla24xx_read_fcp_prio_cfg(vha);
 628
 629         if (IS_P3P_TYPE(ha))
 630                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
 631         else
 632                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
 633
 634         return (rval);
 635 }
 636
 637 /**
 638  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 639  * @ha: HA context
 640  *
 641  * Returns 0 on success.
 642  */
 643 int
 644 qla2100_pci_config(scsi_qla_host_t *vha)
 645 {
 646         uint16_t w;
 647         unsigned long flags;
 648         struct qla_hw_data *ha = vha->hw;
 649         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 650
 651         pci_set_master(ha->pdev);
 652         pci_try_set_mwi(ha->pdev);
 653
 654         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 655         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 656         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 657
 658         pci_disable_rom(ha->pdev);
 659
 660         /* Get PCI bus information. */
 661         spin_lock_irqsave(&ha->hardware_lock, flags);
 662         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 663         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 664
 665         return QLA_SUCCESS;
 666 }
 667
 668 /**
 669  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 670  * @ha: HA context
 671  *
 672  * Returns 0 on success.
 673  */
 674 int
 675 qla2300_pci_config(scsi_qla_host_t *vha)
 676 {
 677         uint16_t        w;
 678         unsigned long   flags = 0;
 679         uint32_t        cnt;
 680         struct qla_hw_data *ha = vha->hw;
 681         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 682
 683         pci_set_master(ha->pdev);
 684         pci_try_set_mwi(ha->pdev);
 685
 686         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 687         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 688
 689         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 690                 w &= ~PCI_COMMAND_INTX_DISABLE;
 691         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 692
 693         /*
 694          * If this is a 2300 card and not 2312, reset the
 695          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 696          * the 2310 also reports itself as a 2300 so we need to get the
 697          * fb revision level -- a 6 indicates it really is a 2300 and
 698          * not a 2310.
 699          */
 700         if (IS_QLA2300(ha)) {
 701                 spin_lock_irqsave(&ha->hardware_lock, flags);
 702
 703                 /* Pause RISC. */
 704                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 705                 for (cnt = 0; cnt < 30000; cnt++) {
 706                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 707                                 break;
 708
 709                         udelay(10);
 710                 }
 711
 712                 /* Select FPM registers. */
 713                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 714                 RD_REG_WORD(&reg->ctrl_status);
 715
 716                 /* Get the fb rev level */
 717                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 718
 719                 if (ha->fb_rev == FPM_2300)
 720                         pci_clear_mwi(ha->pdev);
 721
 722                 /* Deselect FPM registers. */
 723                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 724                 RD_REG_WORD(&reg->ctrl_status);
 725
 726                 /* Release RISC module. */
 727                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 728                 for (cnt = 0; cnt < 30000; cnt++) {
 729                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 730                                 break;
 731
 732                         udelay(10);
 733                 }
 734
 735                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 736         }
 737
 738         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 739
 740         pci_disable_rom(ha->pdev);
 741
 742         /* Get PCI bus information. */
 743         spin_lock_irqsave(&ha->hardware_lock, flags);
 744         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 745         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 746
 747         return QLA_SUCCESS;
 748 }
 749
 750 /**
 751  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 752  * @ha: HA context
 753  *
 754  * Returns 0 on success.
 755  */
 756 int
 757 qla24xx_pci_config(scsi_qla_host_t *vha)
 758 {
 759         uint16_t w;
 760         unsigned long flags = 0;
 761         struct qla_hw_data *ha = vha->hw;
 762         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 763
 764         pci_set_master(ha->pdev);
 765         pci_try_set_mwi(ha->pdev);
 766
 767         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 768         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 769         w &= ~PCI_COMMAND_INTX_DISABLE;
 770         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 771
 772         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 773
 774         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 775         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 776                 pcix_set_mmrbc(ha->pdev, 2048);
 777
 778         /* PCIe -- adjust Maximum Read Request Size (2048). */
 779         if (pci_is_pcie(ha->pdev))
 780                 pcie_set_readrq(ha->pdev, 4096);
 781
 782         pci_disable_rom(ha->pdev);
 783
 784         ha->chip_revision = ha->pdev->revision;
 785
 786         /* Get PCI bus information. */
 787         spin_lock_irqsave(&ha->hardware_lock, flags);
 788         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 789         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 790
 791         return QLA_SUCCESS;
 792 }
 793
 794 /**
 795  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 796  * @ha: HA context
 797  *
 798  * Returns 0 on success.
 799  */
 800 int
 801 qla25xx_pci_config(scsi_qla_host_t *vha)
 802 {
 803         uint16_t w;
 804         struct qla_hw_data *ha = vha->hw;
 805
 806         pci_set_master(ha->pdev);
 807         pci_try_set_mwi(ha->pdev);
 808
 809         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 810         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 811         w &= ~PCI_COMMAND_INTX_DISABLE;
 812         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 813
 814         /* PCIe -- adjust Maximum Read Request Size (2048). */
 815         if (pci_is_pcie(ha->pdev))
 816                 pcie_set_readrq(ha->pdev, 4096);
 817
 818         pci_disable_rom(ha->pdev);
 819
 820         ha->chip_revision = ha->pdev->revision;
 821
 822         return QLA_SUCCESS;
 823 }
 824
 825 /**
 826  * qla2x00_isp_firmware() - Choose firmware image.
 827  * @ha: HA context
 828  *
 829  * Returns 0 on success.
 830  */
 831 static int
 832 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 833 {
 834         int  rval;
 835         uint16_t loop_id, topo, sw_cap;
 836         uint8_t domain, area, al_pa;
 837         struct qla_hw_data *ha = vha->hw;
 838
 839         /* Assume loading risc code */
 840         rval = QLA_FUNCTION_FAILED;
 841
 842         if (ha->flags.disable_risc_code_load) {
 843                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
 844
 845                 /* Verify checksum of loaded RISC code. */
 846                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 847                 if (rval == QLA_SUCCESS) {
 848                         /* And, verify we are not in ROM code. */
 849                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 850                             &area, &domain, &topo, &sw_cap);
 851                 }
 852         }
 853
 854         if (rval)
 855                 ql_dbg(ql_dbg_init, vha, 0x007a,
 856                     "**** Load RISC code ****.\n");
 857
 858         return (rval);
 859 }
 860
 861 /**
 862  * qla2x00_reset_chip() - Reset ISP chip.
 863  * @ha: HA context
 864  *
 865  * Returns 0 on success.
 866  */
 867 void
 868 qla2x00_reset_chip(scsi_qla_host_t *vha)
 869 {
 870         unsigned long   flags = 0;
 871         struct qla_hw_data *ha = vha->hw;
 872         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 873         uint32_t        cnt;
 874         uint16_t        cmd;
 875
 876         if (unlikely(pci_channel_offline(ha->pdev)))
 877                 return;
 878
 879         ha->isp_ops->disable_intrs(ha);
 880
 881         spin_lock_irqsave(&ha->hardware_lock, flags);
 882
 883         /* Turn off master enable */
 884         cmd = 0;
 885         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 886         cmd &= ~PCI_COMMAND_MASTER;
 887         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 888
 889         if (!IS_QLA2100(ha)) {
 890                 /* Pause RISC. */
 891                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 892                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 893                         for (cnt = 0; cnt < 30000; cnt++) {
 894                                 if ((RD_REG_WORD(&reg->hccr) &
 895                                     HCCR_RISC_PAUSE) != 0)
 896                                         break;
 897                                 udelay(100);
 898                         }
 899                 } else {
 900                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 901                         udelay(10);
 902                 }
 903
 904                 /* Select FPM registers. */
 905                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 906                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 907
 908                 /* FPM Soft Reset. */
 909                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 910                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 911
 912                 /* Toggle Fpm Reset. */
 913                 if (!IS_QLA2200(ha)) {
 914                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 915                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 916                 }
 917
 918                 /* Select frame buffer registers. */
 919                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 920                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 921
 922                 /* Reset frame buffer FIFOs. */
 923                 if (IS_QLA2200(ha)) {
 924                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 925                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 926                 } else {
 927                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 928
 929                         /* Read back fb_cmd until zero or 3 seconds max */
 930                         for (cnt = 0; cnt < 3000; cnt++) {
 931                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 932                                         break;
 933                                 udelay(100);
 934                         }
 935                 }
 936
 937                 /* Select RISC module registers. */
 938                 WRT_REG_WORD(&reg->ctrl_status, 0);
 939                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 940
 941                 /* Reset RISC processor. */
 942                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 943                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 944
 945                 /* Release RISC processor. */
 946                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 947                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 948         }
 949
 950         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 951         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 952
 953         /* Reset ISP chip. */
 954         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 955
 956         /* Wait for RISC to recover from reset. */
 957         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 958                 /*
 959                  * It is necessary to for a delay here since the card doesn't
 960                  * respond to PCI reads during a reset. On some architectures
 961                  * this will result in an MCA.
 962                  */
 963                 udelay(20);
 964                 for (cnt = 30000; cnt; cnt--) {
 965                         if ((RD_REG_WORD(&reg->ctrl_status) &
 966                             CSR_ISP_SOFT_RESET) == 0)
 967                                 break;
 968                         udelay(100);
 969                 }
 970         } else
 971                 udelay(10);
 972
 973         /* Reset RISC processor. */
 974         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 975
 976         WRT_REG_WORD(&reg->semaphore, 0);
 977
 978         /* Release RISC processor. */
 979         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 980         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 981
 982         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 983                 for (cnt = 0; cnt < 30000; cnt++) {
 984                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 985                                 break;
 986
 987                         udelay(100);
 988                 }
 989         } else
 990                 udelay(100);
 991
 992         /* Turn on master enable */
 993         cmd |= PCI_COMMAND_MASTER;
 994         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 995
 996         /* Disable RISC pause on FPM parity error. */
 997         if (!IS_QLA2100(ha)) {
 998                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 999                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1000         }
1001
1002         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1003 }
1004
1005 /**
1006  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
1007  *
1008  * Returns 0 on success.
1009  */
1010 static int
1011 qla81xx_reset_mpi(scsi_qla_host_t *vha)
1012 {
1013         uint16_t mb[4] = {0x1010, 0, 1, 0};
1014
1015         if (!IS_QLA81XX(vha->hw))
1016                 return QLA_SUCCESS;
1017
1018         return qla81xx_write_mpi_register(vha, mb);
1019 }
1020
1021 /**
1022  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
1023  * @ha: HA context
1024  *
1025  * Returns 0 on success.
1026  */
1027 static inline void
1028 qla24xx_reset_risc(scsi_qla_host_t *vha)
1029 {
1030         unsigned long flags = 0;
1031         struct qla_hw_data *ha = vha->hw;
1032         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1033         uint32_t cnt, d2;
1034         uint16_t wd;
1035         static int abts_cnt; /* ISP abort retry counts */
1036
1037         spin_lock_irqsave(&ha->hardware_lock, flags);
1038
1039         /* Reset RISC. */
1040         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1041         for (cnt = 0; cnt < 30000; cnt++) {
1042                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1043                         break;
1044
1045                 udelay(10);
1046         }
1047
1048         WRT_REG_DWORD(&reg->ctrl_status,
1049             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1050         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1051
1052         udelay(100);
1053         /* Wait for firmware to complete NVRAM accesses. */
1054         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1055         for (cnt = 10000 ; cnt && d2; cnt--) {
1056                 udelay(5);
1057                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1058                 barrier();
1059         }
1060
1061         /* Wait for soft-reset to complete. */
1062         d2 = RD_REG_DWORD(&reg->ctrl_status);
1063         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1064                 udelay(5);
1065                 d2 = RD_REG_DWORD(&reg->ctrl_status);
1066                 barrier();
1067         }
1068
1069         /* If required, do an MPI FW reset now */
1070         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1071                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1072                         if (++abts_cnt < 5) {
1073                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1074                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1075                         } else {
1076                                 /*
1077                                  * We exhausted the ISP abort retries. We have to
1078                                  * set the board offline.
1079                                  */
1080                                 abts_cnt = 0;
1081                                 vha->flags.online = 0;
1082                         }
1083                 }
1084         }
1085
1086         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1087         RD_REG_DWORD(&reg->hccr);
1088
1089         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1090         RD_REG_DWORD(&reg->hccr);
1091
1092         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1093         RD_REG_DWORD(&reg->hccr);
1094
1095         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1096         for (cnt = 6000000 ; cnt && d2; cnt--) {
1097                 udelay(5);
1098                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1099                 barrier();
1100         }
1101
1102         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1103
1104         if (IS_NOPOLLING_TYPE(ha))
1105                 ha->isp_ops->enable_intrs(ha);
1106 }
1107
1108 static void
1109 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
1110 {
1111         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1112
1113         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1114         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
1115
1116 }
1117
1118 static void
1119 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
1120 {
1121         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1122
1123         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1124         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
1125 }
1126
1127 static void
1128 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
1129 {
1130         struct qla_hw_data *ha = vha->hw;
1131         uint32_t wd32 = 0;
1132         uint delta_msec = 100;
1133         uint elapsed_msec = 0;
1134         uint timeout_msec;
1135         ulong n;
1136
1137         if (!IS_QLA25XX(ha) && !IS_QLA2031(ha))
1138                 return;
1139
1140 attempt:
1141         timeout_msec = TIMEOUT_SEMAPHORE;
1142         n = timeout_msec / delta_msec;
1143         while (n--) {
1144                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
1145                 qla25xx_read_risc_sema_reg(vha, &wd32);
1146                 if (wd32 & RISC_SEMAPHORE)
1147                         break;
1148                 msleep(delta_msec);
1149                 elapsed_msec += delta_msec;
1150                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1151                         goto force;
1152         }
1153
1154         if (!(wd32 & RISC_SEMAPHORE))
1155                 goto force;
1156
1157         if (!(wd32 & RISC_SEMAPHORE_FORCE))
1158                 goto acquired;
1159
1160         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
1161         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
1162         n = timeout_msec / delta_msec;
1163         while (n--) {
1164                 qla25xx_read_risc_sema_reg(vha, &wd32);
1165                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
1166                         break;
1167                 msleep(delta_msec);
1168                 elapsed_msec += delta_msec;
1169                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1170                         goto force;
1171         }
1172
1173         if (wd32 & RISC_SEMAPHORE_FORCE)
1174                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
1175
1176         goto attempt;
1177
1178 force:
1179         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
1180
1181 acquired:
1182         return;
1183 }
1184
1185 /**
1186  * qla24xx_reset_chip() - Reset ISP24xx chip.
1187  * @ha: HA context
1188  *
1189  * Returns 0 on success.
1190  */
1191 void
1192 qla24xx_reset_chip(scsi_qla_host_t *vha)
1193 {
1194         struct qla_hw_data *ha = vha->hw;
1195
1196         if (pci_channel_offline(ha->pdev) &&
1197             ha->flags.pci_channel_io_perm_failure) {
1198                 return;
1199         }
1200
1201         ha->isp_ops->disable_intrs(ha);
1202
1203         qla25xx_manipulate_risc_semaphore(vha);
1204
1205         /* Perform RISC reset. */
1206         qla24xx_reset_risc(vha);
1207 }
1208
1209 /**
1210  * qla2x00_chip_diag() - Test chip for proper operation.
1211  * @ha: HA context
1212  *
1213  * Returns 0 on success.
1214  */
1215 int
1216 qla2x00_chip_diag(scsi_qla_host_t *vha)
1217 {
1218         int             rval;
1219         struct qla_hw_data *ha = vha->hw;
1220         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1221         unsigned long   flags = 0;
1222         uint16_t        data;
1223         uint32_t        cnt;
1224         uint16_t        mb[5];
1225         struct req_que *req = ha->req_q_map[0];
1226
1227         /* Assume a failed state */
1228         rval = QLA_FUNCTION_FAILED;
1229
1230         ql_dbg(ql_dbg_init, vha, 0x007b,
1231             "Testing device at %lx.\n", (u_long)&reg->flash_address);
1232
1233         spin_lock_irqsave(&ha->hardware_lock, flags);
1234
1235         /* Reset ISP chip. */
1236         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1237
1238         /*
1239          * We need to have a delay here since the card will not respond while
1240          * in reset causing an MCA on some architectures.
1241          */
1242         udelay(20);
1243         data = qla2x00_debounce_register(&reg->ctrl_status);
1244         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1245                 udelay(5);
1246                 data = RD_REG_WORD(&reg->ctrl_status);
1247                 barrier();
1248         }
1249
1250         if (!cnt)
1251                 goto chip_diag_failed;
1252
1253         ql_dbg(ql_dbg_init, vha, 0x007c,
1254             "Reset register cleared by chip reset.\n");
1255
1256         /* Reset RISC processor. */
1257         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1258         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1259
1260         /* Workaround for QLA2312 PCI parity error */
1261         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1262                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1263                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1264                         udelay(5);
1265                         data = RD_MAILBOX_REG(ha, reg, 0);
1266                         barrier();
1267                 }
1268         } else
1269                 udelay(10);
1270
1271         if (!cnt)
1272                 goto chip_diag_failed;
1273
1274         /* Check product ID of chip */
1275         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1276
1277         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1278         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1279         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1280         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1281         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1282             mb[3] != PROD_ID_3) {
1283                 ql_log(ql_log_warn, vha, 0x0062,
1284                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1285                     mb[1], mb[2], mb[3]);
1286
1287                 goto chip_diag_failed;
1288         }
1289         ha->product_id[0] = mb[1];
1290         ha->product_id[1] = mb[2];
1291         ha->product_id[2] = mb[3];
1292         ha->product_id[3] = mb[4];
1293
1294         /* Adjust fw RISC transfer size */
1295         if (req->length > 1024)
1296                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1297         else
1298                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1299                     req->length;
1300
1301         if (IS_QLA2200(ha) &&
1302             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1303                 /* Limit firmware transfer size with a 2200A */
1304                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1305
1306                 ha->device_type |= DT_ISP2200A;
1307                 ha->fw_transfer_size = 128;
1308         }
1309
1310         /* Wrap Incoming Mailboxes Test. */
1311         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1312
1313         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1314         rval = qla2x00_mbx_reg_test(vha);
1315         if (rval)
1316                 ql_log(ql_log_warn, vha, 0x0080,
1317                     "Failed mailbox send register test.\n");
1318         else
1319                 /* Flag a successful rval */
1320                 rval = QLA_SUCCESS;
1321         spin_lock_irqsave(&ha->hardware_lock, flags);
1322
1323 chip_diag_failed:
1324         if (rval)
1325                 ql_log(ql_log_info, vha, 0x0081,
1326                     "Chip diagnostics **** FAILED ****.\n");
1327
1328         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1329
1330         return (rval);
1331 }
1332
1333 /**
1334  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1335  * @ha: HA context
1336  *
1337  * Returns 0 on success.
1338  */
1339 int
1340 qla24xx_chip_diag(scsi_qla_host_t *vha)
1341 {
1342         int rval;
1343         struct qla_hw_data *ha = vha->hw;
1344         struct req_que *req = ha->req_q_map[0];
1345
1346         if (IS_P3P_TYPE(ha))
1347                 return QLA_SUCCESS;
1348
1349         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1350
1351         rval = qla2x00_mbx_reg_test(vha);
1352         if (rval) {
1353                 ql_log(ql_log_warn, vha, 0x0082,
1354                     "Failed mailbox send register test.\n");
1355         } else {
1356                 /* Flag a successful rval */
1357                 rval = QLA_SUCCESS;
1358         }
1359
1360         return rval;
1361 }
1362
1363 void
1364 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1365 {
1366         int rval;
1367         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1368             eft_size, fce_size, mq_size;
1369         dma_addr_t tc_dma;
1370         void *tc;
1371         struct qla_hw_data *ha = vha->hw;
1372         struct req_que *req = ha->req_q_map[0];
1373         struct rsp_que *rsp = ha->rsp_q_map[0];
1374
1375         if (ha->fw_dump) {
1376                 ql_dbg(ql_dbg_init, vha, 0x00bd,
1377                     "Firmware dump already allocated.\n");
1378                 return;
1379         }
1380
1381         ha->fw_dumped = 0;
1382         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1383         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1384                 fixed_size = sizeof(struct qla2100_fw_dump);
1385         } else if (IS_QLA23XX(ha)) {
1386                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1387                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1388                     sizeof(uint16_t);
1389         } else if (IS_FWI2_CAPABLE(ha)) {
1390                 if (IS_QLA83XX(ha))
1391                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1392                 else if (IS_QLA81XX(ha))
1393                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1394                 else if (IS_QLA25XX(ha))
1395                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1396                 else
1397                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1398                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1399                     sizeof(uint32_t);
1400                 if (ha->mqenable) {
1401                         if (!IS_QLA83XX(ha))
1402                                 mq_size = sizeof(struct qla2xxx_mq_chain);
1403                         /*
1404                          * Allocate maximum buffer size for all queues.
1405                          * Resizing must be done at end-of-dump processing.
1406                          */
1407                         mq_size += ha->max_req_queues *
1408                             (req->length * sizeof(request_t));
1409                         mq_size += ha->max_rsp_queues *
1410                             (rsp->length * sizeof(response_t));
1411                 }
1412                 if (ha->tgt.atio_ring)
1413                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
1414                 /* Allocate memory for Fibre Channel Event Buffer. */
1415                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha))
1416                         goto try_eft;
1417
1418                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1419                     GFP_KERNEL);
1420                 if (!tc) {
1421                         ql_log(ql_log_warn, vha, 0x00be,
1422                             "Unable to allocate (%d KB) for FCE.\n",
1423                             FCE_SIZE / 1024);
1424                         goto try_eft;
1425                 }
1426
1427                 memset(tc, 0, FCE_SIZE);
1428                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1429                     ha->fce_mb, &ha->fce_bufs);
1430                 if (rval) {
1431                         ql_log(ql_log_warn, vha, 0x00bf,
1432                             "Unable to initialize FCE (%d).\n", rval);
1433                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1434                             tc_dma);
1435                         ha->flags.fce_enabled = 0;
1436                         goto try_eft;
1437                 }
1438                 ql_dbg(ql_dbg_init, vha, 0x00c0,
1439                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1440
1441                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1442                 ha->flags.fce_enabled = 1;
1443                 ha->fce_dma = tc_dma;
1444                 ha->fce = tc;
1445 try_eft:
1446                 /* Allocate memory for Extended Trace Buffer. */
1447                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1448                     GFP_KERNEL);
1449                 if (!tc) {
1450                         ql_log(ql_log_warn, vha, 0x00c1,
1451                             "Unable to allocate (%d KB) for EFT.\n",
1452                             EFT_SIZE / 1024);
1453                         goto cont_alloc;
1454                 }
1455
1456                 memset(tc, 0, EFT_SIZE);
1457                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1458                 if (rval) {
1459                         ql_log(ql_log_warn, vha, 0x00c2,
1460                             "Unable to initialize EFT (%d).\n", rval);
1461                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1462                             tc_dma);
1463                         goto cont_alloc;
1464                 }
1465                 ql_dbg(ql_dbg_init, vha, 0x00c3,
1466                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1467
1468                 eft_size = EFT_SIZE;
1469                 ha->eft_dma = tc_dma;
1470                 ha->eft = tc;
1471         }
1472 cont_alloc:
1473         req_q_size = req->length * sizeof(request_t);
1474         rsp_q_size = rsp->length * sizeof(response_t);
1475
1476         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1477         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1478         ha->chain_offset = dump_size;
1479         dump_size += mq_size + fce_size;
1480
1481         ha->fw_dump = vmalloc(dump_size);
1482         if (!ha->fw_dump) {
1483                 ql_log(ql_log_warn, vha, 0x00c4,
1484                     "Unable to allocate (%d KB) for firmware dump.\n",
1485                     dump_size / 1024);
1486
1487                 if (ha->fce) {
1488                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1489                             ha->fce_dma);
1490                         ha->fce = NULL;
1491                         ha->fce_dma = 0;
1492                 }
1493
1494                 if (ha->eft) {
1495                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1496                             ha->eft_dma);
1497                         ha->eft = NULL;
1498                         ha->eft_dma = 0;
1499                 }
1500                 return;
1501         }
1502         ql_dbg(ql_dbg_init, vha, 0x00c5,
1503             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1504
1505         ha->fw_dump_len = dump_size;
1506         ha->fw_dump->signature[0] = 'Q';
1507         ha->fw_dump->signature[1] = 'L';
1508         ha->fw_dump->signature[2] = 'G';
1509         ha->fw_dump->signature[3] = 'C';
1510         ha->fw_dump->version = __constant_htonl(1);
1511
1512         ha->fw_dump->fixed_size = htonl(fixed_size);
1513         ha->fw_dump->mem_size = htonl(mem_size);
1514         ha->fw_dump->req_q_size = htonl(req_q_size);
1515         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1516
1517         ha->fw_dump->eft_size = htonl(eft_size);
1518         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1519         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1520
1521         ha->fw_dump->header_size =
1522             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1523 }
1524
1525 static int
1526 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1527 {
1528 #define MPS_MASK        0xe0
1529         int rval;
1530         uint16_t dc;
1531         uint32_t dw;
1532
1533         if (!IS_QLA81XX(vha->hw))
1534                 return QLA_SUCCESS;
1535
1536         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1537         if (rval != QLA_SUCCESS) {
1538                 ql_log(ql_log_warn, vha, 0x0105,
1539                     "Unable to acquire semaphore.\n");
1540                 goto done;
1541         }
1542
1543         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1544         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1545         if (rval != QLA_SUCCESS) {
1546                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1547                 goto done_release;
1548         }
1549
1550         dc &= MPS_MASK;
1551         if (dc == (dw & MPS_MASK))
1552                 goto done_release;
1553
1554         dw &= ~MPS_MASK;
1555         dw |= dc;
1556         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1557         if (rval != QLA_SUCCESS) {
1558                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1559         }
1560
1561 done_release:
1562         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1563         if (rval != QLA_SUCCESS) {
1564                 ql_log(ql_log_warn, vha, 0x006d,
1565                     "Unable to release semaphore.\n");
1566         }
1567
1568 done:
1569         return rval;
1570 }
1571
1572 int
1573 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
1574 {
1575         /* Don't try to reallocate the array */
1576         if (req->outstanding_cmds)
1577                 return QLA_SUCCESS;
1578
1579         if (!IS_FWI2_CAPABLE(ha) || (ha->mqiobase &&
1580             (ql2xmultique_tag || ql2xmaxqueues > 1)))
1581                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
1582         else {
1583                 if (ha->fw_xcb_count <= ha->fw_iocb_count)
1584                         req->num_outstanding_cmds = ha->fw_xcb_count;
1585                 else
1586                         req->num_outstanding_cmds = ha->fw_iocb_count;
1587         }
1588
1589         req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1590             req->num_outstanding_cmds, GFP_KERNEL);
1591
1592         if (!req->outstanding_cmds) {
1593                 /*
1594                  * Try to allocate a minimal size just so we can get through
1595                  * initialization.
1596                  */
1597                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
1598                 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1599                     req->num_outstanding_cmds, GFP_KERNEL);
1600
1601                 if (!req->outstanding_cmds) {
1602                         ql_log(ql_log_fatal, NULL, 0x0126,
1603                             "Failed to allocate memory for "
1604                             "outstanding_cmds for req_que %p.\n", req);
1605                         req->num_outstanding_cmds = 0;
1606                         return QLA_FUNCTION_FAILED;
1607                 }
1608         }
1609
1610         return QLA_SUCCESS;
1611 }
1612
1613 /**
1614  * qla2x00_setup_chip() - Load and start RISC firmware.
1615  * @ha: HA context
1616  *
1617  * Returns 0 on success.
1618  */
1619 static int
1620 qla2x00_setup_chip(scsi_qla_host_t *vha)
1621 {
1622         int rval;
1623         uint32_t srisc_address = 0;
1624         struct qla_hw_data *ha = vha->hw;
1625         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1626         unsigned long flags;
1627         uint16_t fw_major_version;
1628
1629         if (IS_P3P_TYPE(ha)) {
1630                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1631                 if (rval == QLA_SUCCESS) {
1632                         qla2x00_stop_firmware(vha);
1633                         goto enable_82xx_npiv;
1634                 } else
1635                         goto failed;
1636         }
1637
1638         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1639                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1640                 spin_lock_irqsave(&ha->hardware_lock, flags);
1641                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1642                 RD_REG_WORD(&reg->hccr);
1643                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1644         }
1645
1646         qla81xx_mpi_sync(vha);
1647
1648         /* Load firmware sequences */
1649         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1650         if (rval == QLA_SUCCESS) {
1651                 ql_dbg(ql_dbg_init, vha, 0x00c9,
1652                     "Verifying Checksum of loaded RISC code.\n");
1653
1654                 rval = qla2x00_verify_checksum(vha, srisc_address);
1655                 if (rval == QLA_SUCCESS) {
1656                         /* Start firmware execution. */
1657                         ql_dbg(ql_dbg_init, vha, 0x00ca,
1658                             "Starting firmware.\n");
1659
1660                         rval = qla2x00_execute_fw(vha, srisc_address);
1661                         /* Retrieve firmware information. */
1662                         if (rval == QLA_SUCCESS) {
1663 enable_82xx_npiv:
1664                                 fw_major_version = ha->fw_major_version;
1665                                 if (IS_P3P_TYPE(ha))
1666                                         qla82xx_check_md_needed(vha);
1667                                 else
1668                                         rval = qla2x00_get_fw_version(vha);
1669                                 if (rval != QLA_SUCCESS)
1670                                         goto failed;
1671                                 ha->flags.npiv_supported = 0;
1672                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1673                                          (ha->fw_attributes & BIT_2)) {
1674                                         ha->flags.npiv_supported = 1;
1675                                         if ((!ha->max_npiv_vports) ||
1676                                             ((ha->max_npiv_vports + 1) %
1677                                             MIN_MULTI_ID_FABRIC))
1678                                                 ha->max_npiv_vports =
1679                                                     MIN_MULTI_ID_FABRIC - 1;
1680                                 }
1681                                 qla2x00_get_resource_cnts(vha, NULL,
1682                                     &ha->fw_xcb_count, NULL, &ha->fw_iocb_count,
1683                                     &ha->max_npiv_vports, NULL);
1684
1685                                 /*
1686                                  * Allocate the array of outstanding commands
1687                                  * now that we know the firmware resources.
1688                                  */
1689                                 rval = qla2x00_alloc_outstanding_cmds(ha,
1690                                     vha->req);
1691                                 if (rval != QLA_SUCCESS)
1692                                         goto failed;
1693
1694                                 if (!fw_major_version && ql2xallocfwdump
1695                                     && !(IS_P3P_TYPE(ha)))
1696                                         qla2x00_alloc_fw_dump(vha);
1697                         }
1698                 } else {
1699                         ql_log(ql_log_fatal, vha, 0x00cd,
1700                             "ISP Firmware failed checksum.\n");
1701                         goto failed;
1702                 }
1703         } else
1704                 goto failed;
1705
1706         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1707                 /* Enable proper parity. */
1708                 spin_lock_irqsave(&ha->hardware_lock, flags);
1709                 if (IS_QLA2300(ha))
1710                         /* SRAM parity */
1711                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1712                 else
1713                         /* SRAM, Instruction RAM and GP RAM parity */
1714                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1715                 RD_REG_WORD(&reg->hccr);
1716                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1717         }
1718
1719         if (IS_QLA83XX(ha))
1720                 goto skip_fac_check;
1721
1722         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1723                 uint32_t size;
1724
1725                 rval = qla81xx_fac_get_sector_size(vha, &size);
1726                 if (rval == QLA_SUCCESS) {
1727                         ha->flags.fac_supported = 1;
1728                         ha->fdt_block_size = size << 2;
1729                 } else {
1730                         ql_log(ql_log_warn, vha, 0x00ce,
1731                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1732                             ha->fw_major_version, ha->fw_minor_version,
1733                             ha->fw_subminor_version);
1734 skip_fac_check:
1735                         if (IS_QLA83XX(ha)) {
1736                                 ha->flags.fac_supported = 0;
1737                                 rval = QLA_SUCCESS;
1738                         }
1739                 }
1740         }
1741 failed:
1742         if (rval) {
1743                 ql_log(ql_log_fatal, vha, 0x00cf,
1744                     "Setup chip ****FAILED****.\n");
1745         }
1746
1747         return (rval);
1748 }
1749
1750 /**
1751  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1752  * @ha: HA context
1753  *
1754  * Beginning of request ring has initialization control block already built
1755  * by nvram config routine.
1756  *
1757  * Returns 0 on success.
1758  */
1759 void
1760 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1761 {
1762         uint16_t cnt;
1763         response_t *pkt;
1764
1765         rsp->ring_ptr = rsp->ring;
1766         rsp->ring_index    = 0;
1767         rsp->status_srb = NULL;
1768         pkt = rsp->ring_ptr;
1769         for (cnt = 0; cnt < rsp->length; cnt++) {
1770                 pkt->signature = RESPONSE_PROCESSED;
1771                 pkt++;
1772         }
1773 }
1774
1775 /**
1776  * qla2x00_update_fw_options() - Read and process firmware options.
1777  * @ha: HA context
1778  *
1779  * Returns 0 on success.
1780  */
1781 void
1782 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1783 {
1784         uint16_t swing, emphasis, tx_sens, rx_sens;
1785         struct qla_hw_data *ha = vha->hw;
1786
1787         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1788         qla2x00_get_fw_options(vha, ha->fw_options);
1789
1790         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1791                 return;
1792
1793         /* Serial Link options. */
1794         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1795             "Serial link options.\n");
1796         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1797             (uint8_t *)&ha->fw_seriallink_options,
1798             sizeof(ha->fw_seriallink_options));
1799
1800         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1801         if (ha->fw_seriallink_options[3] & BIT_2) {
1802                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1803
1804                 /*  1G settings */
1805                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1806                 emphasis = (ha->fw_seriallink_options[2] &
1807                     (BIT_4 | BIT_3)) >> 3;
1808                 tx_sens = ha->fw_seriallink_options[0] &
1809                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1810                 rx_sens = (ha->fw_seriallink_options[0] &
1811                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1812                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1813                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1814                         if (rx_sens == 0x0)
1815                                 rx_sens = 0x3;
1816                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1817                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1818                         ha->fw_options[10] |= BIT_5 |
1819                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1820                             (tx_sens & (BIT_1 | BIT_0));
1821
1822                 /*  2G settings */
1823                 swing = (ha->fw_seriallink_options[2] &
1824                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1825                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1826                 tx_sens = ha->fw_seriallink_options[1] &
1827                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1828                 rx_sens = (ha->fw_seriallink_options[1] &
1829                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1830                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1831                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1832                         if (rx_sens == 0x0)
1833                                 rx_sens = 0x3;
1834                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1835                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1836                         ha->fw_options[11] |= BIT_5 |
1837                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1838                             (tx_sens & (BIT_1 | BIT_0));
1839         }
1840
1841         /* FCP2 options. */
1842         /*  Return command IOCBs without waiting for an ABTS to complete. */
1843         ha->fw_options[3] |= BIT_13;
1844
1845         /* LED scheme. */
1846         if (ha->flags.enable_led_scheme)
1847                 ha->fw_options[2] |= BIT_12;
1848
1849         /* Detect ISP6312. */
1850         if (IS_QLA6312(ha))
1851                 ha->fw_options[2] |= BIT_13;
1852
1853         /* Update firmware options. */
1854         qla2x00_set_fw_options(vha, ha->fw_options);
1855 }
1856
1857 void
1858 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1859 {
1860         int rval;
1861         struct qla_hw_data *ha = vha->hw;
1862
1863         if (IS_P3P_TYPE(ha))
1864                 return;
1865
1866         /* Update Serial Link options. */
1867         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1868                 return;
1869
1870         rval = qla2x00_set_serdes_params(vha,
1871             le16_to_cpu(ha->fw_seriallink_options24[1]),
1872             le16_to_cpu(ha->fw_seriallink_options24[2]),
1873             le16_to_cpu(ha->fw_seriallink_options24[3]));
1874         if (rval != QLA_SUCCESS) {
1875                 ql_log(ql_log_warn, vha, 0x0104,
1876                     "Unable to update Serial Link options (%x).\n", rval);
1877         }
1878 }
1879
1880 void
1881 qla2x00_config_rings(struct scsi_qla_host *vha)
1882 {
1883         struct qla_hw_data *ha = vha->hw;
1884         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1885         struct req_que *req = ha->req_q_map[0];
1886         struct rsp_que *rsp = ha->rsp_q_map[0];
1887
1888         /* Setup ring parameters in initialization control block. */
1889         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1890         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1891         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1892         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1893         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1894         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1895         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1896         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1897
1898         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1899         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1900         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1901         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1902         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1903 }
1904
1905 void
1906 qla24xx_config_rings(struct scsi_qla_host *vha)
1907 {
1908         struct qla_hw_data *ha = vha->hw;
1909         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1910         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1911         struct qla_msix_entry *msix;
1912         struct init_cb_24xx *icb;
1913         uint16_t rid = 0;
1914         struct req_que *req = ha->req_q_map[0];
1915         struct rsp_que *rsp = ha->rsp_q_map[0];
1916
1917         /* Setup ring parameters in initialization control block. */
1918         icb = (struct init_cb_24xx *)ha->init_cb;
1919         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1920         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1921         icb->request_q_length = cpu_to_le16(req->length);
1922         icb->response_q_length = cpu_to_le16(rsp->length);
1923         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1924         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1925         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1926         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1927
1928         /* Setup ATIO queue dma pointers for target mode */
1929         icb->atio_q_inpointer = __constant_cpu_to_le16(0);
1930         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
1931         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
1932         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
1933
1934         if (ha->mqenable || IS_QLA83XX(ha)) {
1935                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1936                 icb->rid = __constant_cpu_to_le16(rid);
1937                 if (ha->flags.msix_enabled) {
1938                         msix = &ha->msix_entries[1];
1939                         ql_dbg(ql_dbg_init, vha, 0x00fd,
1940                             "Registering vector 0x%x for base que.\n",
1941                             msix->entry);
1942                         icb->msix = cpu_to_le16(msix->entry);
1943                 }
1944                 /* Use alternate PCI bus number */
1945                 if (MSB(rid))
1946                         icb->firmware_options_2 |=
1947                                 __constant_cpu_to_le32(BIT_19);
1948                 /* Use alternate PCI devfn */
1949                 if (LSB(rid))
1950                         icb->firmware_options_2 |=
1951                                 __constant_cpu_to_le32(BIT_18);
1952
1953                 /* Use Disable MSIX Handshake mode for capable adapters */
1954                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
1955                     (ha->flags.msix_enabled)) {
1956                         icb->firmware_options_2 &=
1957                                 __constant_cpu_to_le32(~BIT_22);
1958                         ha->flags.disable_msix_handshake = 1;
1959                         ql_dbg(ql_dbg_init, vha, 0x00fe,
1960                             "MSIX Handshake Disable Mode turned on.\n");
1961                 } else {
1962                         icb->firmware_options_2 |=
1963                                 __constant_cpu_to_le32(BIT_22);
1964                 }
1965                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1966
1967                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1968                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1969                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1970                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1971         } else {
1972                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1973                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1974                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1975                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1976         }
1977         qlt_24xx_config_rings(vha);
1978
1979         /* PCI posting */
1980         RD_REG_DWORD(&ioreg->hccr);
1981 }
1982
1983 /**
1984  * qla2x00_init_rings() - Initializes firmware.
1985  * @ha: HA context
1986  *
1987  * Beginning of request ring has initialization control block already built
1988  * by nvram config routine.
1989  *
1990  * Returns 0 on success.
1991  */
1992 int
1993 qla2x00_init_rings(scsi_qla_host_t *vha)
1994 {
1995         int     rval;
1996         unsigned long flags = 0;
1997         int cnt, que;
1998         struct qla_hw_data *ha = vha->hw;
1999         struct req_que *req;
2000         struct rsp_que *rsp;
2001         struct mid_init_cb_24xx *mid_init_cb =
2002             (struct mid_init_cb_24xx *) ha->init_cb;
2003
2004         spin_lock_irqsave(&ha->hardware_lock, flags);
2005
2006         /* Clear outstanding commands array. */
2007         for (que = 0; que < ha->max_req_queues; que++) {
2008                 req = ha->req_q_map[que];
2009                 if (!req)
2010                         continue;
2011                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2012                         req->outstanding_cmds[cnt] = NULL;
2013
2014                 req->current_outstanding_cmd = 1;
2015
2016                 /* Initialize firmware. */
2017                 req->ring_ptr  = req->ring;
2018                 req->ring_index    = 0;
2019                 req->cnt      = req->length;
2020         }
2021
2022         for (que = 0; que < ha->max_rsp_queues; que++) {
2023                 rsp = ha->rsp_q_map[que];
2024                 if (!rsp)
2025                         continue;
2026                 /* Initialize response queue entries */
2027                 if (IS_QLAFX00(ha))
2028                         qlafx00_init_response_q_entries(rsp);
2029                 else
2030                         qla2x00_init_response_q_entries(rsp);
2031         }
2032
2033         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2034         ha->tgt.atio_ring_index = 0;
2035         /* Initialize ATIO queue entries */
2036         qlt_init_atio_q_entries(vha);
2037
2038         ha->isp_ops->config_rings(vha);
2039
2040         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2041
2042         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2043
2044         if (IS_QLAFX00(ha)) {
2045                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
2046                 goto next_check;
2047         }
2048
2049         /* Update any ISP specific firmware options before initialization. */
2050         ha->isp_ops->update_fw_options(vha);
2051
2052         if (ha->flags.npiv_supported) {
2053                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2054                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2055                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2056         }
2057
2058         if (IS_FWI2_CAPABLE(ha)) {
2059                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2060                 mid_init_cb->init_cb.execution_throttle =
2061                     cpu_to_le16(ha->fw_xcb_count);
2062         }
2063
2064         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2065 next_check:
2066         if (rval) {
2067                 ql_log(ql_log_fatal, vha, 0x00d2,
2068                     "Init Firmware **** FAILED ****.\n");
2069         } else {
2070                 ql_dbg(ql_dbg_init, vha, 0x00d3,
2071                     "Init Firmware -- success.\n");
2072         }
2073
2074         return (rval);
2075 }
2076
2077 /**
2078  * qla2x00_fw_ready() - Waits for firmware ready.
2079  * @ha: HA context
2080  *
2081  * Returns 0 on success.
2082  */
2083 static int
2084 qla2x00_fw_ready(scsi_qla_host_t *vha)
2085 {
2086         int             rval;
2087         unsigned long   wtime, mtime, cs84xx_time;
2088         uint16_t        min_wait;       /* Minimum wait time if loop is down */
2089         uint16_t        wait_time;      /* Wait time if loop is coming ready */
2090         uint16_t        state[5];
2091         struct qla_hw_data *ha = vha->hw;
2092
2093         if (IS_QLAFX00(vha->hw))
2094                 return qlafx00_fw_ready(vha);
2095
2096         rval = QLA_SUCCESS;
2097
2098         /* 20 seconds for loop down. */
2099         min_wait = 20;
2100
2101         /*
2102          * Firmware should take at most one RATOV to login, plus 5 seconds for
2103          * our own processing.
2104          */
2105         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2106                 wait_time = min_wait;
2107         }
2108
2109         /* Min wait time if loop down */
2110         mtime = jiffies + (min_wait * HZ);
2111
2112         /* wait time before firmware ready */
2113         wtime = jiffies + (wait_time * HZ);
2114
2115         /* Wait for ISP to finish LIP */
2116         if (!vha->flags.init_done)
2117                 ql_log(ql_log_info, vha, 0x801e,
2118                     "Waiting for LIP to complete.\n");
2119
2120         do {
2121                 memset(state, -1, sizeof(state));
2122                 rval = qla2x00_get_firmware_state(vha, state);
2123                 if (rval == QLA_SUCCESS) {
2124                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
2125                                 vha->device_flags &= ~DFLG_NO_CABLE;
2126                         }
2127                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2128                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
2129                                     "fw_state=%x 84xx=%x.\n", state[0],
2130                                     state[2]);
2131                                 if ((state[2] & FSTATE_LOGGED_IN) &&
2132                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2133                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
2134                                             "Sending verify iocb.\n");
2135
2136                                         cs84xx_time = jiffies;
2137                                         rval = qla84xx_init_chip(vha);
2138                                         if (rval != QLA_SUCCESS) {
2139                                                 ql_log(ql_log_warn,
2140                                                     vha, 0x8007,
2141                                                     "Init chip failed.\n");
2142                                                 break;
2143                                         }
2144
2145                                         /* Add time taken to initialize. */
2146                                         cs84xx_time = jiffies - cs84xx_time;
2147                                         wtime += cs84xx_time;
2148                                         mtime += cs84xx_time;
2149                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
2150                                             "Increasing wait time by %ld. "
2151                                             "New time %ld.\n", cs84xx_time,
2152                                             wtime);
2153                                 }
2154                         } else if (state[0] == FSTATE_READY) {
2155                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2156                                     "F/W Ready - OK.\n");
2157
2158                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2159                                     &ha->login_timeout, &ha->r_a_tov);
2160
2161                                 rval = QLA_SUCCESS;
2162                                 break;
2163                         }
2164
2165                         rval = QLA_FUNCTION_FAILED;
2166
2167                         if (atomic_read(&vha->loop_down_timer) &&
2168                             state[0] != FSTATE_READY) {
2169                                 /* Loop down. Timeout on min_wait for states
2170                                  * other than Wait for Login.
2171                                  */
2172                                 if (time_after_eq(jiffies, mtime)) {
2173                                         ql_log(ql_log_info, vha, 0x8038,
2174                                             "Cable is unplugged...\n");
2175
2176                                         vha->device_flags |= DFLG_NO_CABLE;
2177                                         break;
2178                                 }
2179                         }
2180                 } else {
2181                         /* Mailbox cmd failed. Timeout on min_wait. */
2182                         if (time_after_eq(jiffies, mtime) ||
2183                                 ha->flags.isp82xx_fw_hung)
2184                                 break;
2185                 }
2186
2187                 if (time_after_eq(jiffies, wtime))
2188                         break;
2189
2190                 /* Delay for a while */
2191                 msleep(500);
2192         } while (1);
2193
2194         ql_dbg(ql_dbg_taskm, vha, 0x803a,
2195             "fw_state=%x (%x, %x, %x, %x) " "curr time=%lx.\n", state[0],
2196             state[1], state[2], state[3], state[4], jiffies);
2197
2198         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2199                 ql_log(ql_log_warn, vha, 0x803b,
2200                     "Firmware ready **** FAILED ****.\n");
2201         }
2202
2203         return (rval);
2204 }
2205
2206 /*
2207 *  qla2x00_configure_hba
2208 *      Setup adapter context.
2209 *
2210 * Input:
2211 *      ha = adapter state pointer.
2212 *
2213 * Returns:
2214 *      0 = success
2215 *
2216 * Context:
2217 *      Kernel context.
2218 */
2219 static int
2220 qla2x00_configure_hba(scsi_qla_host_t *vha)
2221 {
2222         int       rval;
2223         uint16_t      loop_id;
2224         uint16_t      topo;
2225         uint16_t      sw_cap;
2226         uint8_t       al_pa;
2227         uint8_t       area;
2228         uint8_t       domain;
2229         char            connect_type[22];
2230         struct qla_hw_data *ha = vha->hw;
2231         unsigned long flags;
2232         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2233
2234         /* Get host addresses. */
2235         rval = qla2x00_get_adapter_id(vha,
2236             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2237         if (rval != QLA_SUCCESS) {
2238                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2239                     IS_CNA_CAPABLE(ha) ||
2240                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2241                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2242                             "Loop is in a transition state.\n");
2243                 } else {
2244                         ql_log(ql_log_warn, vha, 0x2009,
2245                             "Unable to get host loop ID.\n");
2246                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2247                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2248                                 ql_log(ql_log_warn, vha, 0x1151,
2249                                     "Doing link init.\n");
2250                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2251                                         return rval;
2252                         }
2253                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2254                 }
2255                 return (rval);
2256         }
2257
2258         if (topo == 4) {
2259                 ql_log(ql_log_info, vha, 0x200a,
2260                     "Cannot get topology - retrying.\n");
2261                 return (QLA_FUNCTION_FAILED);
2262         }
2263
2264         vha->loop_id = loop_id;
2265
2266         /* initialize */
2267         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2268         ha->operating_mode = LOOP;
2269         ha->switch_cap = 0;
2270
2271         switch (topo) {
2272         case 0:
2273                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2274                 ha->current_topology = ISP_CFG_NL;
2275                 strcpy(connect_type, "(Loop)");
2276                 break;
2277
2278         case 1:
2279                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2280                 ha->switch_cap = sw_cap;
2281                 ha->current_topology = ISP_CFG_FL;
2282                 strcpy(connect_type, "(FL_Port)");
2283                 break;
2284
2285         case 2:
2286                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2287                 ha->operating_mode = P2P;
2288                 ha->current_topology = ISP_CFG_N;
2289                 strcpy(connect_type, "(N_Port-to-N_Port)");
2290                 break;
2291
2292         case 3:
2293                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2294                 ha->switch_cap = sw_cap;
2295                 ha->operating_mode = P2P;
2296                 ha->current_topology = ISP_CFG_F;
2297                 strcpy(connect_type, "(F_Port)");
2298                 break;
2299
2300         default:
2301                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2302                     "HBA in unknown topology %x, using NL.\n", topo);
2303                 ha->current_topology = ISP_CFG_NL;
2304                 strcpy(connect_type, "(Loop)");
2305                 break;
2306         }
2307
2308         /* Save Host port and loop ID. */
2309         /* byte order - Big Endian */
2310         vha->d_id.b.domain = domain;
2311         vha->d_id.b.area = area;
2312         vha->d_id.b.al_pa = al_pa;
2313
2314         spin_lock_irqsave(&ha->vport_slock, flags);
2315         qlt_update_vp_map(vha, SET_AL_PA);
2316         spin_unlock_irqrestore(&ha->vport_slock, flags);
2317
2318         if (!vha->flags.init_done)
2319                 ql_log(ql_log_info, vha, 0x2010,
2320                     "Topology - %s, Host Loop address 0x%x.\n",
2321                     connect_type, vha->loop_id);
2322
2323         return(rval);
2324 }
2325
2326 inline void
2327 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2328         char *def)
2329 {
2330         char *st, *en;
2331         uint16_t index;
2332         struct qla_hw_data *ha = vha->hw;
2333         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2334             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2335
2336         if (memcmp(model, BINZERO, len) != 0) {
2337                 strncpy(ha->model_number, model, len);
2338                 st = en = ha->model_number;
2339                 en += len - 1;
2340                 while (en > st) {
2341                         if (*en != 0x20 && *en != 0x00)
2342                                 break;
2343                         *en-- = '\0';
2344                 }
2345
2346                 index = (ha->pdev->subsystem_device & 0xff);
2347                 if (use_tbl &&
2348                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2349                     index < QLA_MODEL_NAMES)
2350                         strncpy(ha->model_desc,
2351                             qla2x00_model_name[index * 2 + 1],
2352                             sizeof(ha->model_desc) - 1);
2353         } else {
2354                 index = (ha->pdev->subsystem_device & 0xff);
2355                 if (use_tbl &&
2356                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2357                     index < QLA_MODEL_NAMES) {
2358                         strcpy(ha->model_number,
2359                             qla2x00_model_name[index * 2]);
2360                         strncpy(ha->model_desc,
2361                             qla2x00_model_name[index * 2 + 1],
2362                             sizeof(ha->model_desc) - 1);
2363                 } else {
2364                         strcpy(ha->model_number, def);
2365                 }
2366         }
2367         if (IS_FWI2_CAPABLE(ha))
2368                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2369                     sizeof(ha->model_desc));
2370 }
2371
2372 /* On sparc systems, obtain port and node WWN from firmware
2373  * properties.
2374  */
2375 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2376 {
2377 #ifdef CONFIG_SPARC
2378         struct qla_hw_data *ha = vha->hw;
2379         struct pci_dev *pdev = ha->pdev;
2380         struct device_node *dp = pci_device_to_OF_node(pdev);
2381         const u8 *val;
2382         int len;
2383
2384         val = of_get_property(dp, "port-wwn", &len);
2385         if (val && len >= WWN_SIZE)
2386                 memcpy(nv->port_name, val, WWN_SIZE);
2387
2388         val = of_get_property(dp, "node-wwn", &len);
2389         if (val && len >= WWN_SIZE)
2390                 memcpy(nv->node_name, val, WWN_SIZE);
2391 #endif
2392 }
2393
2394 /*
2395 * NVRAM configuration for ISP 2xxx
2396 *
2397 * Input:
2398 *      ha                = adapter block pointer.
2399 *
2400 * Output:
2401 *      initialization control block in response_ring
2402 *      host adapters parameters in host adapter block
2403 *
2404 * Returns:
2405 *      0 = success.
2406 */
2407 int
2408 qla2x00_nvram_config(scsi_qla_host_t *vha)
2409 {
2410         int             rval;
2411         uint8_t         chksum = 0;
2412         uint16_t        cnt;
2413         uint8_t         *dptr1, *dptr2;
2414         struct qla_hw_data *ha = vha->hw;
2415         init_cb_t       *icb = ha->init_cb;
2416         nvram_t         *nv = ha->nvram;
2417         uint8_t         *ptr = ha->nvram;
2418         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2419
2420         rval = QLA_SUCCESS;
2421
2422         /* Determine NVRAM starting address. */
2423         ha->nvram_size = sizeof(nvram_t);
2424         ha->nvram_base = 0;
2425         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2426                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2427                         ha->nvram_base = 0x80;
2428
2429         /* Get NVRAM data and calculate checksum. */
2430         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2431         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2432                 chksum += *ptr++;
2433
2434         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2435             "Contents of NVRAM.\n");
2436         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2437             (uint8_t *)nv, ha->nvram_size);
2438
2439         /* Bad NVRAM data, set defaults parameters. */
2440         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2441             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2442                 /* Reset NVRAM data. */
2443                 ql_log(ql_log_warn, vha, 0x0064,
2444                     "Inconsistent NVRAM "
2445                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2446                     chksum, nv->id[0], nv->nvram_version);
2447                 ql_log(ql_log_warn, vha, 0x0065,
2448                     "Falling back to "
2449                     "functioning (yet invalid -- WWPN) defaults.\n");
2450
2451                 /*
2452                  * Set default initialization control block.
2453                  */
2454                 memset(nv, 0, ha->nvram_size);
2455                 nv->parameter_block_version = ICB_VERSION;
2456
2457                 if (IS_QLA23XX(ha)) {
2458                         nv->firmware_options[0] = BIT_2 | BIT_1;
2459                         nv->firmware_options[1] = BIT_7 | BIT_5;
2460                         nv->add_firmware_options[0] = BIT_5;
2461                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2462                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2463                         nv->special_options[1] = BIT_7;
2464                 } else if (IS_QLA2200(ha)) {
2465                         nv->firmware_options[0] = BIT_2 | BIT_1;
2466                         nv->firmware_options[1] = BIT_7 | BIT_5;
2467                         nv->add_firmware_options[0] = BIT_5;
2468                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2469                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2470                 } else if (IS_QLA2100(ha)) {
2471                         nv->firmware_options[0] = BIT_3 | BIT_1;
2472                         nv->firmware_options[1] = BIT_5;
2473                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2474                 }
2475
2476                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2477                 nv->execution_throttle = __constant_cpu_to_le16(16);
2478                 nv->retry_count = 8;
2479                 nv->retry_delay = 1;
2480
2481                 nv->port_name[0] = 33;
2482                 nv->port_name[3] = 224;
2483                 nv->port_name[4] = 139;
2484
2485                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2486
2487                 nv->login_timeout = 4;
2488
2489                 /*
2490                  * Set default host adapter parameters
2491                  */
2492                 nv->host_p[1] = BIT_2;
2493                 nv->reset_delay = 5;
2494                 nv->port_down_retry_count = 8;
2495                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2496                 nv->link_down_timeout = 60;
2497
2498                 rval = 1;
2499         }
2500
2501 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2502         /*
2503          * The SN2 does not provide BIOS emulation which means you can't change
2504          * potentially bogus BIOS settings. Force the use of default settings
2505          * for link rate and frame size.  Hope that the rest of the settings
2506          * are valid.
2507          */
2508         if (ia64_platform_is("sn2")) {
2509                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2510                 if (IS_QLA23XX(ha))
2511                         nv->special_options[1] = BIT_7;
2512         }
2513 #endif
2514
2515         /* Reset Initialization control block */
2516         memset(icb, 0, ha->init_cb_size);
2517
2518         /*
2519          * Setup driver NVRAM options.
2520          */
2521         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2522         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2523         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2524         nv->firmware_options[1] &= ~BIT_4;
2525
2526         if (IS_QLA23XX(ha)) {
2527                 nv->firmware_options[0] |= BIT_2;
2528                 nv->firmware_options[0] &= ~BIT_3;
2529                 nv->special_options[0] &= ~BIT_6;
2530                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2531
2532                 if (IS_QLA2300(ha)) {
2533                         if (ha->fb_rev == FPM_2310) {
2534                                 strcpy(ha->model_number, "QLA2310");
2535                         } else {
2536                                 strcpy(ha->model_number, "QLA2300");
2537                         }
2538                 } else {
2539                         qla2x00_set_model_info(vha, nv->model_number,
2540                             sizeof(nv->model_number), "QLA23xx");
2541                 }
2542         } else if (IS_QLA2200(ha)) {
2543                 nv->firmware_options[0] |= BIT_2;
2544                 /*
2545                  * 'Point-to-point preferred, else loop' is not a safe
2546                  * connection mode setting.
2547                  */
2548                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2549                     (BIT_5 | BIT_4)) {
2550                         /* Force 'loop preferred, else point-to-point'. */
2551                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2552                         nv->add_firmware_options[0] |= BIT_5;
2553                 }
2554                 strcpy(ha->model_number, "QLA22xx");
2555         } else /*if (IS_QLA2100(ha))*/ {
2556                 strcpy(ha->model_number, "QLA2100");
2557         }
2558
2559         /*
2560          * Copy over NVRAM RISC parameter block to initialization control block.
2561          */
2562         dptr1 = (uint8_t *)icb;
2563         dptr2 = (uint8_t *)&nv->parameter_block_version;
2564         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2565         while (cnt--)
2566                 *dptr1++ = *dptr2++;
2567
2568         /* Copy 2nd half. */
2569         dptr1 = (uint8_t *)icb->add_firmware_options;
2570         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2571         while (cnt--)
2572                 *dptr1++ = *dptr2++;
2573
2574         /* Use alternate WWN? */
2575         if (nv->host_p[1] & BIT_7) {
2576                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2577                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2578         }
2579
2580         /* Prepare nodename */
2581         if ((icb->firmware_options[1] & BIT_6) == 0) {
2582                 /*
2583                  * Firmware will apply the following mask if the nodename was
2584                  * not provided.
2585                  */
2586                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2587                 icb->node_name[0] &= 0xF0;
2588         }
2589
2590         /*
2591          * Set host adapter parameters.
2592          */
2593
2594         /*
2595          * BIT_7 in the host-parameters section allows for modification to
2596          * internal driver logging.
2597          */
2598         if (nv->host_p[0] & BIT_7)
2599                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2600         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2601         /* Always load RISC code on non ISP2[12]00 chips. */
2602         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2603                 ha->flags.disable_risc_code_load = 0;
2604         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2605         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2606         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2607         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2608         ha->flags.disable_serdes = 0;
2609
2610         ha->operating_mode =
2611             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2612
2613         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2614             sizeof(ha->fw_seriallink_options));
2615
2616         /* save HBA serial number */
2617         ha->serial0 = icb->port_name[5];
2618         ha->serial1 = icb->port_name[6];
2619         ha->serial2 = icb->port_name[7];
2620         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2621         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2622
2623         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2624
2625         ha->retry_count = nv->retry_count;
2626
2627         /* Set minimum login_timeout to 4 seconds. */
2628         if (nv->login_timeout != ql2xlogintimeout)
2629                 nv->login_timeout = ql2xlogintimeout;
2630         if (nv->login_timeout < 4)
2631                 nv->login_timeout = 4;
2632         ha->login_timeout = nv->login_timeout;
2633         icb->login_timeout = nv->login_timeout;
2634
2635         /* Set minimum RATOV to 100 tenths of a second. */
2636         ha->r_a_tov = 100;
2637
2638         ha->loop_reset_delay = nv->reset_delay;
2639
2640         /* Link Down Timeout = 0:
2641          *
2642          *      When Port Down timer expires we will start returning
2643          *      I/O's to OS with "DID_NO_CONNECT".
2644          *
2645          * Link Down Timeout != 0:
2646          *
2647          *       The driver waits for the link to come up after link down
2648          *       before returning I/Os to OS with "DID_NO_CONNECT".
2649          */
2650         if (nv->link_down_timeout == 0) {
2651                 ha->loop_down_abort_time =
2652                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2653         } else {
2654                 ha->link_down_timeout =  nv->link_down_timeout;
2655                 ha->loop_down_abort_time =
2656                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2657         }
2658
2659         /*
2660          * Need enough time to try and get the port back.
2661          */
2662         ha->port_down_retry_count = nv->port_down_retry_count;
2663         if (qlport_down_retry)
2664                 ha->port_down_retry_count = qlport_down_retry;
2665         /* Set login_retry_count */
2666         ha->login_retry_count  = nv->retry_count;
2667         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2668             ha->port_down_retry_count > 3)
2669                 ha->login_retry_count = ha->port_down_retry_count;
2670         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2671                 ha->login_retry_count = ha->port_down_retry_count;
2672         if (ql2xloginretrycount)
2673                 ha->login_retry_count = ql2xloginretrycount;
2674
2675         icb->lun_enables = __constant_cpu_to_le16(0);
2676         icb->command_resource_count = 0;
2677         icb->immediate_notify_resource_count = 0;
2678         icb->timeout = __constant_cpu_to_le16(0);
2679
2680         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2681                 /* Enable RIO */
2682                 icb->firmware_options[0] &= ~BIT_3;
2683                 icb->add_firmware_options[0] &=
2684                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2685                 icb->add_firmware_options[0] |= BIT_2;
2686                 icb->response_accumulation_timer = 3;
2687                 icb->interrupt_delay_timer = 5;
2688
2689                 vha->flags.process_response_queue = 1;
2690         } else {
2691                 /* Enable ZIO. */
2692                 if (!vha->flags.init_done) {
2693                         ha->zio_mode = icb->add_firmware_options[0] &
2694                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2695                         ha->zio_timer = icb->interrupt_delay_timer ?
2696                             icb->interrupt_delay_timer: 2;
2697                 }
2698                 icb->add_firmware_options[0] &=
2699                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2700                 vha->flags.process_response_queue = 0;
2701                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2702                         ha->zio_mode = QLA_ZIO_MODE_6;
2703
2704                         ql_log(ql_log_info, vha, 0x0068,
2705                             "ZIO mode %d enabled; timer delay (%d us).\n",
2706                             ha->zio_mode, ha->zio_timer * 100);
2707
2708                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2709                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2710                         vha->flags.process_response_queue = 1;
2711                 }
2712         }
2713
2714         if (rval) {
2715                 ql_log(ql_log_warn, vha, 0x0069,
2716                     "NVRAM configuration failed.\n");
2717         }
2718         return (rval);
2719 }
2720
2721 static void
2722 qla2x00_rport_del(void *data)
2723 {
2724         fc_port_t *fcport = data;
2725         struct fc_rport *rport;
2726         scsi_qla_host_t *vha = fcport->vha;
2727         unsigned long flags;
2728
2729         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2730         rport = fcport->drport ? fcport->drport: fcport->rport;
2731         fcport->drport = NULL;
2732         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2733         if (rport) {
2734                 fc_remote_port_delete(rport);
2735                 /*
2736                  * Release the target mode FC NEXUS in qla_target.c code
2737                  * if target mod is enabled.
2738                  */
2739                 qlt_fc_port_deleted(vha, fcport);
2740         }
2741 }
2742
2743 /**
2744  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2745  * @ha: HA context
2746  * @flags: allocation flags
2747  *
2748  * Returns a pointer to the allocated fcport, or NULL, if none available.
2749  */
2750 fc_port_t *
2751 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2752 {
2753         fc_port_t *fcport;
2754
2755         fcport = kzalloc(sizeof(fc_port_t), flags);
2756         if (!fcport)
2757                 return NULL;
2758
2759         /* Setup fcport template structure. */
2760         fcport->vha = vha;
2761         fcport->port_type = FCT_UNKNOWN;
2762         fcport->loop_id = FC_NO_LOOP_ID;
2763         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2764         fcport->supported_classes = FC_COS_UNSPECIFIED;
2765
2766         return fcport;
2767 }
2768
2769 /*
2770  * qla2x00_configure_loop
2771  *      Updates Fibre Channel Device Database with what is actually on loop.
2772  *
2773  * Input:
2774  *      ha                = adapter block pointer.
2775  *
2776  * Returns:
2777  *      0 = success.
2778  *      1 = error.
2779  *      2 = database was full and device was not configured.
2780  */
2781 static int
2782 qla2x00_configure_loop(scsi_qla_host_t *vha)
2783 {
2784         int  rval;
2785         unsigned long flags, save_flags;
2786         struct qla_hw_data *ha = vha->hw;
2787         rval = QLA_SUCCESS;
2788
2789         /* Get Initiator ID */
2790         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2791                 rval = qla2x00_configure_hba(vha);
2792                 if (rval != QLA_SUCCESS) {
2793                         ql_dbg(ql_dbg_disc, vha, 0x2013,
2794                             "Unable to configure HBA.\n");
2795                         return (rval);
2796                 }
2797         }
2798
2799         save_flags = flags = vha->dpc_flags;
2800         ql_dbg(ql_dbg_disc, vha, 0x2014,
2801             "Configure loop -- dpc flags = 0x%lx.\n", flags);
2802
2803         /*
2804          * If we have both an RSCN and PORT UPDATE pending then handle them
2805          * both at the same time.
2806          */
2807         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2808         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2809
2810         qla2x00_get_data_rate(vha);
2811
2812         /* Determine what we need to do */
2813         if (ha->current_topology == ISP_CFG_FL &&
2814             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2815
2816                 set_bit(RSCN_UPDATE, &flags);
2817
2818         } else if (ha->current_topology == ISP_CFG_F &&
2819             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2820
2821                 set_bit(RSCN_UPDATE, &flags);
2822                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2823
2824         } else if (ha->current_topology == ISP_CFG_N) {
2825                 clear_bit(RSCN_UPDATE, &flags);
2826
2827         } else if (!vha->flags.online ||
2828             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2829
2830                 set_bit(RSCN_UPDATE, &flags);
2831                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2832         }
2833
2834         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2835                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2836                         ql_dbg(ql_dbg_disc, vha, 0x2015,
2837                             "Loop resync needed, failing.\n");
2838                         rval = QLA_FUNCTION_FAILED;
2839                 } else
2840                         rval = qla2x00_configure_local_loop(vha);
2841         }
2842
2843         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2844                 if (LOOP_TRANSITION(vha)) {
2845                         ql_dbg(ql_dbg_disc, vha, 0x201e,
2846                             "Needs RSCN update and loop transition.\n");
2847                         rval = QLA_FUNCTION_FAILED;
2848                 }
2849                 else
2850                         rval = qla2x00_configure_fabric(vha);
2851         }
2852
2853         if (rval == QLA_SUCCESS) {
2854                 if (atomic_read(&vha->loop_down_timer) ||
2855                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2856                         rval = QLA_FUNCTION_FAILED;
2857                 } else {
2858                         atomic_set(&vha->loop_state, LOOP_READY);
2859                         ql_dbg(ql_dbg_disc, vha, 0x2069,
2860                             "LOOP READY.\n");
2861                 }
2862         }
2863
2864         if (rval) {
2865                 ql_dbg(ql_dbg_disc, vha, 0x206a,
2866                     "%s *** FAILED ***.\n", __func__);
2867         } else {
2868                 ql_dbg(ql_dbg_disc, vha, 0x206b,
2869                     "%s: exiting normally.\n", __func__);
2870         }
2871
2872         /* Restore state if a resync event occurred during processing */
2873         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2874                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2875                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2876                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2877                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2878                 }
2879         }
2880
2881         return (rval);
2882 }
2883
2884
2885
2886 /*
2887  * qla2x00_configure_local_loop
2888  *      Updates Fibre Channel Device Database with local loop devices.
2889  *
2890  * Input:
2891  *      ha = adapter block pointer.
2892  *
2893  * Returns:
2894  *      0 = success.
2895  */
2896 static int
2897 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2898 {
2899         int             rval, rval2;
2900         int             found_devs;
2901         int             found;
2902         fc_port_t       *fcport, *new_fcport;
2903
2904         uint16_t        index;
2905         uint16_t        entries;
2906         char            *id_iter;
2907         uint16_t        loop_id;
2908         uint8_t         domain, area, al_pa;
2909         struct qla_hw_data *ha = vha->hw;
2910
2911         found_devs = 0;
2912         new_fcport = NULL;
2913         entries = MAX_FIBRE_DEVICES_LOOP;
2914
2915         /* Get list of logged in devices. */
2916         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
2917         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2918             &entries);
2919         if (rval != QLA_SUCCESS)
2920                 goto cleanup_allocation;
2921
2922         ql_dbg(ql_dbg_disc, vha, 0x2017,
2923             "Entries in ID list (%d).\n", entries);
2924         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
2925             (uint8_t *)ha->gid_list,
2926             entries * sizeof(struct gid_list_info));
2927
2928         /* Allocate temporary fcport for any new fcports discovered. */
2929         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2930         if (new_fcport == NULL) {
2931                 ql_log(ql_log_warn, vha, 0x2018,
2932                     "Memory allocation failed for fcport.\n");
2933                 rval = QLA_MEMORY_ALLOC_FAILED;
2934                 goto cleanup_allocation;
2935         }
2936         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2937
2938         /*
2939          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2940          */
2941         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2942                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2943                     fcport->port_type != FCT_BROADCAST &&
2944                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2945
2946                         ql_dbg(ql_dbg_disc, vha, 0x2019,
2947                             "Marking port lost loop_id=0x%04x.\n",
2948                             fcport->loop_id);
2949
2950                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2951                 }
2952         }
2953
2954         /* Add devices to port list. */
2955         id_iter = (char *)ha->gid_list;
2956         for (index = 0; index < entries; index++) {
2957                 domain = ((struct gid_list_info *)id_iter)->domain;
2958                 area = ((struct gid_list_info *)id_iter)->area;
2959                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2960                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2961                         loop_id = (uint16_t)
2962                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2963                 else
2964                         loop_id = le16_to_cpu(
2965                             ((struct gid_list_info *)id_iter)->loop_id);
2966                 id_iter += ha->gid_list_info_size;
2967
2968                 /* Bypass reserved domain fields. */
2969                 if ((domain & 0xf0) == 0xf0)
2970                         continue;
2971
2972                 /* Bypass if not same domain and area of adapter. */
2973                 if (area && domain &&
2974                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2975                         continue;
2976
2977                 /* Bypass invalid local loop ID. */
2978                 if (loop_id > LAST_LOCAL_LOOP_ID)
2979                         continue;
2980
2981                 memset(new_fcport, 0, sizeof(fc_port_t));
2982
2983                 /* Fill in member data. */
2984                 new_fcport->d_id.b.domain = domain;
2985                 new_fcport->d_id.b.area = area;
2986                 new_fcport->d_id.b.al_pa = al_pa;
2987                 new_fcport->loop_id = loop_id;
2988                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2989                 if (rval2 != QLA_SUCCESS) {
2990                         ql_dbg(ql_dbg_disc, vha, 0x201a,
2991                             "Failed to retrieve fcport information "
2992                             "-- get_port_database=%x, loop_id=0x%04x.\n",
2993                             rval2, new_fcport->loop_id);
2994                         ql_dbg(ql_dbg_disc, vha, 0x201b,
2995                             "Scheduling resync.\n");
2996                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2997                         continue;
2998                 }
2999
3000                 /* Check for matching device in port list. */
3001                 found = 0;
3002                 fcport = NULL;
3003                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3004                         if (memcmp(new_fcport->port_name, fcport->port_name,
3005                             WWN_SIZE))
3006                                 continue;
3007
3008                         fcport->flags &= ~FCF_FABRIC_DEVICE;
3009                         fcport->loop_id = new_fcport->loop_id;
3010                         fcport->port_type = new_fcport->port_type;
3011                         fcport->d_id.b24 = new_fcport->d_id.b24;
3012                         memcpy(fcport->node_name, new_fcport->node_name,
3013                             WWN_SIZE);
3014
3015                         found++;
3016                         break;
3017                 }
3018
3019                 if (!found) {
3020                         /* New device, add to fcports list. */
3021                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
3022
3023                         /* Allocate a new replacement fcport. */
3024                         fcport = new_fcport;
3025                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3026                         if (new_fcport == NULL) {
3027                                 ql_log(ql_log_warn, vha, 0x201c,
3028                                     "Failed to allocate memory for fcport.\n");
3029                                 rval = QLA_MEMORY_ALLOC_FAILED;
3030                                 goto cleanup_allocation;
3031                         }
3032                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3033                 }
3034
3035                 /* Base iIDMA settings on HBA port speed. */
3036                 fcport->fp_speed = ha->link_data_rate;
3037
3038                 qla2x00_update_fcport(vha, fcport);
3039
3040                 found_devs++;
3041         }
3042
3043 cleanup_allocation:
3044         kfree(new_fcport);
3045
3046         if (rval != QLA_SUCCESS) {
3047                 ql_dbg(ql_dbg_disc, vha, 0x201d,
3048                     "Configure local loop error exit: rval=%x.\n", rval);
3049         }
3050
3051         return (rval);
3052 }
3053
3054 static void
3055 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3056 {
3057         int rval;
3058         uint16_t mb[4];
3059         struct qla_hw_data *ha = vha->hw;
3060
3061         if (!IS_IIDMA_CAPABLE(ha))
3062                 return;
3063
3064         if (atomic_read(&fcport->state) != FCS_ONLINE)
3065                 return;
3066
3067         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3068             fcport->fp_speed > ha->link_data_rate)
3069                 return;
3070
3071         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3072             mb);
3073         if (rval != QLA_SUCCESS) {
3074                 ql_dbg(ql_dbg_disc, vha, 0x2004,
3075                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
3076                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
3077         } else {
3078                 ql_dbg(ql_dbg_disc, vha, 0x2005,
3079                     "iIDMA adjusted to %s GB/s on %8phN.\n",
3080                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3081                     fcport->port_name);
3082         }
3083 }
3084
3085 static void
3086 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3087 {
3088         struct fc_rport_identifiers rport_ids;
3089         struct fc_rport *rport;
3090         unsigned long flags;
3091
3092         qla2x00_rport_del(fcport);
3093
3094         rport_ids.node_name = wwn_to_u64(fcport->node_name);
3095         rport_ids.port_name = wwn_to_u64(fcport->port_name);
3096         rport_ids.port_id = fcport->d_id.b.domain << 16 |
3097             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3098         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3099         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3100         if (!rport) {
3101                 ql_log(ql_log_warn, vha, 0x2006,
3102                     "Unable to allocate fc remote port.\n");
3103                 return;
3104         }
3105         /*
3106          * Create target mode FC NEXUS in qla_target.c if target mode is
3107          * enabled..
3108          */
3109         qlt_fc_port_added(vha, fcport);
3110
3111         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3112         *((fc_port_t **)rport->dd_data) = fcport;
3113         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3114
3115         rport->supported_classes = fcport->supported_classes;
3116
3117         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3118         if (fcport->port_type == FCT_INITIATOR)
3119                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3120         if (fcport->port_type == FCT_TARGET)
3121                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3122         fc_remote_port_rolechg(rport, rport_ids.roles);
3123 }
3124
3125 /*
3126  * qla2x00_update_fcport
3127  *      Updates device on list.
3128  *
3129  * Input:
3130  *      ha = adapter block pointer.
3131  *      fcport = port structure pointer.
3132  *
3133  * Return:
3134  *      0  - Success
3135  *  BIT_0 - error
3136  *
3137  * Context:
3138  *      Kernel context.
3139  */
3140 void
3141 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3142 {
3143         fcport->vha = vha;
3144
3145         if (IS_QLAFX00(vha->hw)) {
3146                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3147                 qla2x00_reg_remote_port(vha, fcport);
3148                 return;
3149         }
3150         fcport->login_retry = 0;
3151         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3152
3153         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3154         qla2x00_iidma_fcport(vha, fcport);
3155         qla24xx_update_fcport_fcp_prio(vha, fcport);
3156         qla2x00_reg_remote_port(vha, fcport);
3157 }
3158
3159 /*
3160  * qla2x00_configure_fabric
3161  *      Setup SNS devices with loop ID's.
3162  *
3163  * Input:
3164  *      ha = adapter block pointer.
3165  *
3166  * Returns:
3167  *      0 = success.
3168  *      BIT_0 = error
3169  */
3170 static int
3171 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3172 {
3173         int     rval;
3174         fc_port_t       *fcport, *fcptemp;
3175         uint16_t        next_loopid;
3176         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3177         uint16_t        loop_id;
3178         LIST_HEAD(new_fcports);
3179         struct qla_hw_data *ha = vha->hw;
3180         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3181
3182         /* If FL port exists, then SNS is present */
3183         if (IS_FWI2_CAPABLE(ha))
3184                 loop_id = NPH_F_PORT;
3185         else
3186                 loop_id = SNS_FL_PORT;
3187         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3188         if (rval != QLA_SUCCESS) {
3189                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3190                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3191
3192                 vha->device_flags &= ~SWITCH_FOUND;
3193                 return (QLA_SUCCESS);
3194         }
3195         vha->device_flags |= SWITCH_FOUND;
3196
3197         do {
3198                 /* FDMI support. */
3199                 if (ql2xfdmienable &&
3200                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3201                         qla2x00_fdmi_register(vha);
3202
3203                 /* Ensure we are logged into the SNS. */
3204                 if (IS_FWI2_CAPABLE(ha))
3205                         loop_id = NPH_SNS;
3206                 else
3207                         loop_id = SIMPLE_NAME_SERVER;
3208                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3209                     0xfc, mb, BIT_1|BIT_0);
3210                 if (rval != QLA_SUCCESS) {
3211                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3212                         return rval;
3213                 }
3214                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3215                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3216                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3217                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3218                             mb[2], mb[6], mb[7]);
3219                         return (QLA_SUCCESS);
3220                 }
3221
3222                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3223                         if (qla2x00_rft_id(vha)) {
3224                                 /* EMPTY */
3225                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3226                                     "Register FC-4 TYPE failed.\n");
3227                         }
3228                         if (qla2x00_rff_id(vha)) {
3229                                 /* EMPTY */
3230                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3231                                     "Register FC-4 Features failed.\n");
3232                         }
3233                         if (qla2x00_rnn_id(vha)) {
3234                                 /* EMPTY */
3235                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3236                                     "Register Node Name failed.\n");
3237                         } else if (qla2x00_rsnn_nn(vha)) {
3238                                 /* EMPTY */
3239                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3240                                     "Register Symobilic Node Name failed.\n");
3241                         }
3242                 }
3243
3244 #define QLA_FCPORT_SCAN         1
3245 #define QLA_FCPORT_FOUND        2
3246
3247                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3248                         fcport->scan_state = QLA_FCPORT_SCAN;
3249                 }
3250
3251                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3252                 if (rval != QLA_SUCCESS)
3253                         break;
3254
3255                 /*
3256                  * Logout all previous fabric devices marked lost, except
3257                  * FCP2 devices.
3258                  */
3259                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3260                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3261                                 break;
3262
3263                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3264                                 continue;
3265
3266                         if (fcport->scan_state == QLA_FCPORT_SCAN &&
3267                             atomic_read(&fcport->state) == FCS_ONLINE) {
3268                                 qla2x00_mark_device_lost(vha, fcport,
3269                                     ql2xplogiabsentdevice, 0);
3270                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3271                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3272                                     fcport->port_type != FCT_INITIATOR &&
3273                                     fcport->port_type != FCT_BROADCAST) {
3274                                         ha->isp_ops->fabric_logout(vha,
3275                                             fcport->loop_id,
3276                                             fcport->d_id.b.domain,
3277                                             fcport->d_id.b.area,
3278                                             fcport->d_id.b.al_pa);
3279                                         fcport->loop_id = FC_NO_LOOP_ID;
3280                                 }
3281                         }
3282                 }
3283
3284                 /* Starting free loop ID. */
3285                 next_loopid = ha->min_external_loopid;
3286
3287                 /*
3288                  * Scan through our port list and login entries that need to be
3289                  * logged in.
3290                  */
3291                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3292                         if (atomic_read(&vha->loop_down_timer) ||
3293                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3294                                 break;
3295
3296                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3297                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3298                                 continue;
3299
3300                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3301                                 fcport->loop_id = next_loopid;
3302                                 rval = qla2x00_find_new_loop_id(
3303                                     base_vha, fcport);
3304                                 if (rval != QLA_SUCCESS) {
3305                                         /* Ran out of IDs to use */
3306                                         break;
3307                                 }
3308                         }
3309                         /* Login and update database */
3310                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3311                 }
3312
3313                 /* Exit if out of loop IDs. */
3314                 if (rval != QLA_SUCCESS) {
3315                         break;
3316                 }
3317
3318                 /*
3319                  * Login and add the new devices to our port list.
3320                  */
3321                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3322                         if (atomic_read(&vha->loop_down_timer) ||
3323                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3324                                 break;
3325
3326                         /* Find a new loop ID to use. */
3327                         fcport->loop_id = next_loopid;
3328                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3329                         if (rval != QLA_SUCCESS) {
3330                                 /* Ran out of IDs to use */
3331                                 break;
3332                         }
3333
3334                         /* Login and update database */
3335                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3336
3337                         list_move_tail(&fcport->list, &vha->vp_fcports);
3338                 }
3339         } while (0);
3340
3341         /* Free all new device structures not processed. */
3342         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3343                 list_del(&fcport->list);
3344                 kfree(fcport);
3345         }
3346
3347         if (rval) {
3348                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3349                     "Configure fabric error exit rval=%d.\n", rval);
3350         }
3351
3352         return (rval);
3353 }
3354
3355 /*
3356  * qla2x00_find_all_fabric_devs
3357  *
3358  * Input:
3359  *      ha = adapter block pointer.
3360  *      dev = database device entry pointer.
3361  *
3362  * Returns:
3363  *      0 = success.
3364  *
3365  * Context:
3366  *      Kernel context.
3367  */
3368 static int
3369 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3370         struct list_head *new_fcports)
3371 {
3372         int             rval;
3373         uint16_t        loop_id;
3374         fc_port_t       *fcport, *new_fcport, *fcptemp;
3375         int             found;
3376
3377         sw_info_t       *swl;
3378         int             swl_idx;
3379         int             first_dev, last_dev;
3380         port_id_t       wrap = {}, nxt_d_id;
3381         struct qla_hw_data *ha = vha->hw;
3382         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3383
3384         rval = QLA_SUCCESS;
3385
3386         /* Try GID_PT to get device list, else GAN. */
3387         if (!ha->swl)
3388                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3389                     GFP_KERNEL);
3390         swl = ha->swl;
3391         if (!swl) {
3392                 /*EMPTY*/
3393                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3394                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3395         } else {
3396                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3397                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3398                         swl = NULL;
3399                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3400                         swl = NULL;
3401                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3402                         swl = NULL;
3403                 } else if (ql2xiidmaenable &&
3404                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3405                         qla2x00_gpsc(vha, swl);
3406                 }
3407
3408                 /* If other queries succeeded probe for FC-4 type */
3409                 if (swl)
3410                         qla2x00_gff_id(vha, swl);
3411         }
3412         swl_idx = 0;
3413
3414         /* Allocate temporary fcport for any new fcports discovered. */
3415         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3416         if (new_fcport == NULL) {
3417                 ql_log(ql_log_warn, vha, 0x205e,
3418                     "Failed to allocate memory for fcport.\n");
3419                 return (QLA_MEMORY_ALLOC_FAILED);
3420         }
3421         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3422         /* Set start port ID scan at adapter ID. */
3423         first_dev = 1;
3424         last_dev = 0;
3425
3426         /* Starting free loop ID. */
3427         loop_id = ha->min_external_loopid;
3428         for (; loop_id <= ha->max_loop_id; loop_id++) {
3429                 if (qla2x00_is_reserved_id(vha, loop_id))
3430                         continue;
3431
3432                 if (ha->current_topology == ISP_CFG_FL &&
3433                     (atomic_read(&vha->loop_down_timer) ||
3434                      LOOP_TRANSITION(vha))) {
3435                         atomic_set(&vha->loop_down_timer, 0);
3436                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3437                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3438                         break;
3439                 }
3440
3441                 if (swl != NULL) {
3442                         if (last_dev) {
3443                                 wrap.b24 = new_fcport->d_id.b24;
3444                         } else {
3445                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3446                                 memcpy(new_fcport->node_name,
3447                                     swl[swl_idx].node_name, WWN_SIZE);
3448                                 memcpy(new_fcport->port_name,
3449                                     swl[swl_idx].port_name, WWN_SIZE);
3450                                 memcpy(new_fcport->fabric_port_name,
3451                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3452                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3453                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3454
3455                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3456                                         last_dev = 1;
3457                                 }
3458                                 swl_idx++;
3459                         }
3460                 } else {
3461                         /* Send GA_NXT to the switch */
3462                         rval = qla2x00_ga_nxt(vha, new_fcport);
3463                         if (rval != QLA_SUCCESS) {
3464                                 ql_log(ql_log_warn, vha, 0x2064,
3465                                     "SNS scan failed -- assuming "
3466                                     "zero-entry result.\n");
3467                                 list_for_each_entry_safe(fcport, fcptemp,
3468                                     new_fcports, list) {
3469                                         list_del(&fcport->list);
3470                                         kfree(fcport);
3471                                 }
3472                                 rval = QLA_SUCCESS;
3473                                 break;
3474                         }
3475                 }
3476
3477                 /* If wrap on switch device list, exit. */
3478                 if (first_dev) {
3479                         wrap.b24 = new_fcport->d_id.b24;
3480                         first_dev = 0;
3481                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3482                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3483                             "Device wrap (%02x%02x%02x).\n",
3484                             new_fcport->d_id.b.domain,
3485                             new_fcport->d_id.b.area,
3486                             new_fcport->d_id.b.al_pa);
3487                         break;
3488                 }
3489
3490                 /* Bypass if same physical adapter. */
3491                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3492                         continue;
3493
3494                 /* Bypass virtual ports of the same host. */
3495                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3496                         continue;
3497
3498                 /* Bypass if same domain and area of adapter. */
3499                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3500                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3501                         ISP_CFG_FL)
3502                             continue;
3503
3504                 /* Bypass reserved domain fields. */
3505                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3506                         continue;
3507
3508                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3509                 if (ql2xgffidenable &&
3510                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3511                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3512                         continue;
3513
3514                 /* Locate matching device in database. */
3515                 found = 0;
3516                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3517                         if (memcmp(new_fcport->port_name, fcport->port_name,
3518                             WWN_SIZE))
3519                                 continue;
3520
3521                         fcport->scan_state = QLA_FCPORT_FOUND;
3522
3523                         found++;
3524
3525                         /* Update port state. */
3526                         memcpy(fcport->fabric_port_name,
3527                             new_fcport->fabric_port_name, WWN_SIZE);
3528                         fcport->fp_speed = new_fcport->fp_speed;
3529
3530                         /*
3531                          * If address the same and state FCS_ONLINE, nothing
3532                          * changed.
3533                          */
3534                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3535                             atomic_read(&fcport->state) == FCS_ONLINE) {
3536                                 break;
3537                         }
3538
3539                         /*
3540                          * If device was not a fabric device before.
3541                          */
3542                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3543                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3544                                 qla2x00_clear_loop_id(fcport);
3545                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3546                                     FCF_LOGIN_NEEDED);
3547                                 break;
3548                         }
3549
3550                         /*
3551                          * Port ID changed or device was marked to be updated;
3552                          * Log it out if still logged in and mark it for
3553                          * relogin later.
3554                          */
3555                         fcport->d_id.b24 = new_fcport->d_id.b24;
3556                         fcport->flags |= FCF_LOGIN_NEEDED;
3557                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3558                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3559                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3560                             fcport->port_type != FCT_INITIATOR &&
3561                             fcport->port_type != FCT_BROADCAST) {
3562                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3563                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3564                                     fcport->d_id.b.al_pa);
3565                                 qla2x00_clear_loop_id(fcport);
3566                         }
3567
3568                         break;
3569                 }
3570
3571                 if (found)
3572                         continue;
3573                 /* If device was not in our fcports list, then add it. */
3574                 list_add_tail(&new_fcport->list, new_fcports);
3575
3576                 /* Allocate a new replacement fcport. */
3577                 nxt_d_id.b24 = new_fcport->d_id.b24;
3578                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3579                 if (new_fcport == NULL) {
3580                         ql_log(ql_log_warn, vha, 0x2066,
3581                             "Memory allocation failed for fcport.\n");
3582                         return (QLA_MEMORY_ALLOC_FAILED);
3583                 }
3584                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3585                 new_fcport->d_id.b24 = nxt_d_id.b24;
3586         }
3587
3588         kfree(new_fcport);
3589
3590         return (rval);
3591 }
3592
3593 /*
3594  * qla2x00_find_new_loop_id
3595  *      Scan through our port list and find a new usable loop ID.
3596  *
3597  * Input:
3598  *      ha:     adapter state pointer.
3599  *      dev:    port structure pointer.
3600  *
3601  * Returns:
3602  *      qla2x00 local function return status code.
3603  *
3604  * Context:
3605  *      Kernel context.
3606  */
3607 int
3608 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3609 {
3610         int     rval;
3611         struct qla_hw_data *ha = vha->hw;
3612         unsigned long flags = 0;
3613
3614         rval = QLA_SUCCESS;
3615
3616         spin_lock_irqsave(&ha->vport_slock, flags);
3617
3618         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3619             LOOPID_MAP_SIZE);
3620         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3621             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3622                 dev->loop_id = FC_NO_LOOP_ID;
3623                 rval = QLA_FUNCTION_FAILED;
3624         } else
3625                 set_bit(dev->loop_id, ha->loop_id_map);
3626
3627         spin_unlock_irqrestore(&ha->vport_slock, flags);
3628
3629         if (rval == QLA_SUCCESS)
3630                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3631                     "Assigning new loopid=%x, portid=%x.\n",
3632                     dev->loop_id, dev->d_id.b24);
3633         else
3634                 ql_log(ql_log_warn, dev->vha, 0x2087,
3635                     "No loop_id's available, portid=%x.\n",
3636                     dev->d_id.b24);
3637
3638         return (rval);
3639 }
3640
3641 /*
3642  * qla2x00_fabric_dev_login
3643  *      Login fabric target device and update FC port database.
3644  *
3645  * Input:
3646  *      ha:             adapter state pointer.
3647  *      fcport:         port structure list pointer.
3648  *      next_loopid:    contains value of a new loop ID that can be used
3649  *                      by the next login attempt.
3650  *
3651  * Returns:
3652  *      qla2x00 local function return status code.
3653  *
3654  * Context:
3655  *      Kernel context.
3656  */
3657 static int
3658 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3659     uint16_t *next_loopid)
3660 {
3661         int     rval;
3662         int     retry;
3663         uint8_t opts;
3664         struct qla_hw_data *ha = vha->hw;
3665
3666         rval = QLA_SUCCESS;
3667         retry = 0;
3668
3669         if (IS_ALOGIO_CAPABLE(ha)) {
3670                 if (fcport->flags & FCF_ASYNC_SENT)
3671                         return rval;
3672                 fcport->flags |= FCF_ASYNC_SENT;
3673                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3674                 if (!rval)
3675                         return rval;
3676         }
3677
3678         fcport->flags &= ~FCF_ASYNC_SENT;
3679         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3680         if (rval == QLA_SUCCESS) {
3681                 /* Send an ADISC to FCP2 devices.*/
3682                 opts = 0;
3683                 if (fcport->flags & FCF_FCP2_DEVICE)
3684                         opts |= BIT_1;
3685                 rval = qla2x00_get_port_database(vha, fcport, opts);
3686                 if (rval != QLA_SUCCESS) {
3687                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3688                             fcport->d_id.b.domain, fcport->d_id.b.area,
3689                             fcport->d_id.b.al_pa);
3690                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3691                 } else {
3692                         qla2x00_update_fcport(vha, fcport);
3693                 }
3694         } else {
3695                 /* Retry Login. */
3696                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3697         }
3698
3699         return (rval);
3700 }
3701
3702 /*
3703  * qla2x00_fabric_login
3704  *      Issue fabric login command.
3705  *
3706  * Input:
3707  *      ha = adapter block pointer.
3708  *      device = pointer to FC device type structure.
3709  *
3710  * Returns:
3711  *      0 - Login successfully
3712  *      1 - Login failed
3713  *      2 - Initiator device
3714  *      3 - Fatal error
3715  */
3716 int
3717 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3718     uint16_t *next_loopid)
3719 {
3720         int     rval;
3721         int     retry;
3722         uint16_t tmp_loopid;
3723         uint16_t mb[MAILBOX_REGISTER_COUNT];
3724         struct qla_hw_data *ha = vha->hw;
3725
3726         retry = 0;
3727         tmp_loopid = 0;
3728
3729         for (;;) {
3730                 ql_dbg(ql_dbg_disc, vha, 0x2000,
3731                     "Trying Fabric Login w/loop id 0x%04x for port "
3732                     "%02x%02x%02x.\n",
3733                     fcport->loop_id, fcport->d_id.b.domain,
3734                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
3735
3736                 /* Login fcport on switch. */
3737                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
3738                     fcport->d_id.b.domain, fcport->d_id.b.area,
3739                     fcport->d_id.b.al_pa, mb, BIT_0);
3740                 if (rval != QLA_SUCCESS) {
3741                         return rval;
3742                 }
3743                 if (mb[0] == MBS_PORT_ID_USED) {
3744                         /*
3745                          * Device has another loop ID.  The firmware team
3746                          * recommends the driver perform an implicit login with
3747                          * the specified ID again. The ID we just used is save
3748                          * here so we return with an ID that can be tried by
3749                          * the next login.
3750                          */
3751                         retry++;
3752                         tmp_loopid = fcport->loop_id;
3753                         fcport->loop_id = mb[1];
3754
3755                         ql_dbg(ql_dbg_disc, vha, 0x2001,
3756                             "Fabric Login: port in use - next loop "
3757                             "id=0x%04x, port id= %02x%02x%02x.\n",
3758                             fcport->loop_id, fcport->d_id.b.domain,
3759                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
3760
3761                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3762                         /*
3763                          * Login succeeded.
3764                          */
3765                         if (retry) {
3766                                 /* A retry occurred before. */
3767                                 *next_loopid = tmp_loopid;
3768                         } else {
3769                                 /*
3770                                  * No retry occurred before. Just increment the
3771                                  * ID value for next login.
3772                                  */
3773                                 *next_loopid = (fcport->loop_id + 1);
3774                         }
3775
3776                         if (mb[1] & BIT_0) {
3777                                 fcport->port_type = FCT_INITIATOR;
3778                         } else {
3779                                 fcport->port_type = FCT_TARGET;
3780                                 if (mb[1] & BIT_1) {
3781                                         fcport->flags |= FCF_FCP2_DEVICE;
3782                                 }
3783                         }
3784
3785                         if (mb[10] & BIT_0)
3786                                 fcport->supported_classes |= FC_COS_CLASS2;
3787                         if (mb[10] & BIT_1)
3788                                 fcport->supported_classes |= FC_COS_CLASS3;
3789
3790                         if (IS_FWI2_CAPABLE(ha)) {
3791                                 if (mb[10] & BIT_7)
3792                                         fcport->flags |=
3793                                             FCF_CONF_COMP_SUPPORTED;
3794                         }
3795
3796                         rval = QLA_SUCCESS;
3797                         break;
3798                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3799                         /*
3800                          * Loop ID already used, try next loop ID.
3801                          */
3802                         fcport->loop_id++;
3803                         rval = qla2x00_find_new_loop_id(vha, fcport);
3804                         if (rval != QLA_SUCCESS) {
3805                                 /* Ran out of loop IDs to use */
3806                                 break;
3807                         }
3808                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3809                         /*
3810                          * Firmware possibly timed out during login. If NO
3811                          * retries are left to do then the device is declared
3812                          * dead.
3813                          */
3814                         *next_loopid = fcport->loop_id;
3815                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3816                             fcport->d_id.b.domain, fcport->d_id.b.area,
3817                             fcport->d_id.b.al_pa);
3818                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3819
3820                         rval = 1;
3821                         break;
3822                 } else {
3823                         /*
3824                          * unrecoverable / not handled error
3825                          */
3826                         ql_dbg(ql_dbg_disc, vha, 0x2002,
3827                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3828                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3829                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
3830                             fcport->loop_id, jiffies);
3831
3832                         *next_loopid = fcport->loop_id;
3833                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3834                             fcport->d_id.b.domain, fcport->d_id.b.area,
3835                             fcport->d_id.b.al_pa);
3836                         qla2x00_clear_loop_id(fcport);
3837                         fcport->login_retry = 0;
3838
3839                         rval = 3;
3840                         break;
3841                 }
3842         }
3843
3844         return (rval);
3845 }
3846
3847 /*
3848  * qla2x00_local_device_login
3849  *      Issue local device login command.
3850  *
3851  * Input:
3852  *      ha = adapter block pointer.
3853  *      loop_id = loop id of device to login to.
3854  *
3855  * Returns (Where's the #define!!!!):
3856  *      0 - Login successfully
3857  *      1 - Login failed
3858  *      3 - Fatal error
3859  */
3860 int
3861 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3862 {
3863         int             rval;
3864         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3865
3866         memset(mb, 0, sizeof(mb));
3867         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3868         if (rval == QLA_SUCCESS) {
3869                 /* Interrogate mailbox registers for any errors */
3870                 if (mb[0] == MBS_COMMAND_ERROR)
3871                         rval = 1;
3872                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3873                         /* device not in PCB table */
3874                         rval = 3;
3875         }
3876
3877         return (rval);
3878 }
3879
3880 /*
3881  *  qla2x00_loop_resync
3882  *      Resync with fibre channel devices.
3883  *
3884  * Input:
3885  *      ha = adapter block pointer.
3886  *
3887  * Returns:
3888  *      0 = success
3889  */
3890 int
3891 qla2x00_loop_resync(scsi_qla_host_t *vha)
3892 {
3893         int rval = QLA_SUCCESS;
3894         uint32_t wait_time;
3895         struct req_que *req;
3896         struct rsp_que *rsp;
3897
3898         if (vha->hw->flags.cpu_affinity_enabled)
3899                 req = vha->hw->req_q_map[0];
3900         else
3901                 req = vha->req;
3902         rsp = req->rsp;
3903
3904         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3905         if (vha->flags.online) {
3906                 if (!(rval = qla2x00_fw_ready(vha))) {
3907                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3908                         wait_time = 256;
3909                         do {
3910                                 if (!IS_QLAFX00(vha->hw)) {
3911                                         /*
3912                                          * Issue a marker after FW becomes
3913                                          * ready.
3914                                          */
3915                                         qla2x00_marker(vha, req, rsp, 0, 0,
3916                                                 MK_SYNC_ALL);
3917                                         vha->marker_needed = 0;
3918                                 }
3919
3920                                 /* Remap devices on Loop. */
3921                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3922
3923                                 if (IS_QLAFX00(vha->hw))
3924                                         qlafx00_configure_devices(vha);
3925                                 else
3926                                         qla2x00_configure_loop(vha);
3927
3928                                 wait_time--;
3929                         } while (!atomic_read(&vha->loop_down_timer) &&
3930                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3931                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3932                                 &vha->dpc_flags)));
3933                 }
3934         }
3935
3936         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3937                 return (QLA_FUNCTION_FAILED);
3938
3939         if (rval)
3940                 ql_dbg(ql_dbg_disc, vha, 0x206c,
3941                     "%s *** FAILED ***.\n", __func__);
3942
3943         return (rval);
3944 }
3945
3946 /*
3947 * qla2x00_perform_loop_resync
3948 * Description: This function will set the appropriate flags and call
3949 *              qla2x00_loop_resync. If successful loop will be resynced
3950 * Arguments : scsi_qla_host_t pointer
3951 * returm    : Success or Failure
3952 */
3953
3954 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3955 {
3956         int32_t rval = 0;
3957
3958         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3959                 /*Configure the flags so that resync happens properly*/
3960                 atomic_set(&ha->loop_down_timer, 0);
3961                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3962                         atomic_set(&ha->loop_state, LOOP_UP);
3963                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3964                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3965                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3966
3967                         rval = qla2x00_loop_resync(ha);
3968                 } else
3969                         atomic_set(&ha->loop_state, LOOP_DEAD);
3970
3971                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3972         }
3973
3974         return rval;
3975 }
3976
3977 void
3978 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3979 {
3980         fc_port_t *fcport;
3981         struct scsi_qla_host *vha;
3982         struct qla_hw_data *ha = base_vha->hw;
3983         unsigned long flags;
3984
3985         spin_lock_irqsave(&ha->vport_slock, flags);
3986         /* Go with deferred removal of rport references. */
3987         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3988                 atomic_inc(&vha->vref_count);
3989                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3990                         if (fcport->drport &&
3991                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3992                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3993                                 qla2x00_rport_del(fcport);
3994                                 spin_lock_irqsave(&ha->vport_slock, flags);
3995                         }
3996                 }
3997                 atomic_dec(&vha->vref_count);
3998         }
3999         spin_unlock_irqrestore(&ha->vport_slock, flags);
4000 }
4001
4002 /* Assumes idc_lock always held on entry */
4003 void
4004 qla83xx_reset_ownership(scsi_qla_host_t *vha)
4005 {
4006         struct qla_hw_data *ha = vha->hw;
4007         uint32_t drv_presence, drv_presence_mask;
4008         uint32_t dev_part_info1, dev_part_info2, class_type;
4009         uint32_t class_type_mask = 0x3;
4010         uint16_t fcoe_other_function = 0xffff, i;
4011
4012         if (IS_QLA8044(ha)) {
4013                 drv_presence = qla8044_rd_direct(vha,
4014                     QLA8044_CRB_DRV_ACTIVE_INDEX);
4015                 dev_part_info1 = qla8044_rd_direct(vha,
4016                     QLA8044_CRB_DEV_PART_INFO_INDEX);
4017                 dev_part_info2 = qla8044_rd_direct(vha,
4018                     QLA8044_CRB_DEV_PART_INFO2);
4019         } else {
4020                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4021                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4022                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4023         }
4024         for (i = 0; i < 8; i++) {
4025                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4026                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4027                     (i != ha->portnum)) {
4028                         fcoe_other_function = i;
4029                         break;
4030                 }
4031         }
4032         if (fcoe_other_function == 0xffff) {
4033                 for (i = 0; i < 8; i++) {
4034                         class_type = ((dev_part_info2 >> (i * 4)) &
4035                             class_type_mask);
4036                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4037                             ((i + 8) != ha->portnum)) {
4038                                 fcoe_other_function = i + 8;
4039                                 break;
4040                         }
4041                 }
4042         }
4043         /*
4044          * Prepare drv-presence mask based on fcoe functions present.
4045          * However consider only valid physical fcoe function numbers (0-15).
4046          */
4047         drv_presence_mask = ~((1 << (ha->portnum)) |
4048                         ((fcoe_other_function == 0xffff) ?
4049                          0 : (1 << (fcoe_other_function))));
4050
4051         /* We are the reset owner iff:
4052          *    - No other protocol drivers present.
4053          *    - This is the lowest among fcoe functions. */
4054         if (!(drv_presence & drv_presence_mask) &&
4055                         (ha->portnum < fcoe_other_function)) {
4056                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4057                     "This host is Reset owner.\n");
4058                 ha->flags.nic_core_reset_owner = 1;
4059         }
4060 }
4061
4062 static int
4063 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4064 {
4065         int rval = QLA_SUCCESS;
4066         struct qla_hw_data *ha = vha->hw;
4067         uint32_t drv_ack;
4068
4069         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4070         if (rval == QLA_SUCCESS) {
4071                 drv_ack |= (1 << ha->portnum);
4072                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4073         }
4074
4075         return rval;
4076 }
4077
4078 static int
4079 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4080 {
4081         int rval = QLA_SUCCESS;
4082         struct qla_hw_data *ha = vha->hw;
4083         uint32_t drv_ack;
4084
4085         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4086         if (rval == QLA_SUCCESS) {
4087                 drv_ack &= ~(1 << ha->portnum);
4088                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4089         }
4090
4091         return rval;
4092 }
4093
4094 static const char *
4095 qla83xx_dev_state_to_string(uint32_t dev_state)
4096 {
4097         switch (dev_state) {
4098         case QLA8XXX_DEV_COLD:
4099                 return "COLD/RE-INIT";
4100         case QLA8XXX_DEV_INITIALIZING:
4101                 return "INITIALIZING";
4102         case QLA8XXX_DEV_READY:
4103                 return "READY";
4104         case QLA8XXX_DEV_NEED_RESET:
4105                 return "NEED RESET";
4106         case QLA8XXX_DEV_NEED_QUIESCENT:
4107                 return "NEED QUIESCENT";
4108         case QLA8XXX_DEV_FAILED:
4109                 return "FAILED";
4110         case QLA8XXX_DEV_QUIESCENT:
4111                 return "QUIESCENT";
4112         default:
4113                 return "Unknown";
4114         }
4115 }
4116
4117 /* Assumes idc-lock always held on entry */
4118 void
4119 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4120 {
4121         struct qla_hw_data *ha = vha->hw;
4122         uint32_t idc_audit_reg = 0, duration_secs = 0;
4123
4124         switch (audit_type) {
4125         case IDC_AUDIT_TIMESTAMP:
4126                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4127                 idc_audit_reg = (ha->portnum) |
4128                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4129                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4130                 break;
4131
4132         case IDC_AUDIT_COMPLETION:
4133                 duration_secs = ((jiffies_to_msecs(jiffies) -
4134                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4135                 idc_audit_reg = (ha->portnum) |
4136                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4137                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4138                 break;
4139
4140         default:
4141                 ql_log(ql_log_warn, vha, 0xb078,
4142                     "Invalid audit type specified.\n");
4143                 break;
4144         }
4145 }
4146
4147 /* Assumes idc_lock always held on entry */
4148 static int
4149 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4150 {
4151         struct qla_hw_data *ha = vha->hw;
4152         uint32_t  idc_control, dev_state;
4153
4154         __qla83xx_get_idc_control(vha, &idc_control);
4155         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4156                 ql_log(ql_log_info, vha, 0xb080,
4157                     "NIC Core reset has been disabled. idc-control=0x%x\n",
4158                     idc_control);
4159                 return QLA_FUNCTION_FAILED;
4160         }
4161
4162         /* Set NEED-RESET iff in READY state and we are the reset-owner */
4163         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4164         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4165                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4166                     QLA8XXX_DEV_NEED_RESET);
4167                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4168                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4169         } else {
4170                 const char *state = qla83xx_dev_state_to_string(dev_state);
4171                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4172
4173                 /* SV: XXX: Is timeout required here? */
4174                 /* Wait for IDC state change READY -> NEED_RESET */
4175                 while (dev_state == QLA8XXX_DEV_READY) {
4176                         qla83xx_idc_unlock(vha, 0);
4177                         msleep(200);
4178                         qla83xx_idc_lock(vha, 0);
4179                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4180                 }
4181         }
4182
4183         /* Send IDC ack by writing to drv-ack register */
4184         __qla83xx_set_drv_ack(vha);
4185
4186         return QLA_SUCCESS;
4187 }
4188
4189 int
4190 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4191 {
4192         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4193 }
4194
4195 int
4196 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4197 {
4198         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4199 }
4200
4201 static int
4202 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4203 {
4204         uint32_t drv_presence = 0;
4205         struct qla_hw_data *ha = vha->hw;
4206
4207         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4208         if (drv_presence & (1 << ha->portnum))
4209                 return QLA_SUCCESS;
4210         else
4211                 return QLA_TEST_FAILED;
4212 }
4213
4214 int
4215 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4216 {
4217         int rval = QLA_SUCCESS;
4218         struct qla_hw_data *ha = vha->hw;
4219
4220         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4221             "Entered  %s().\n", __func__);
4222
4223         if (vha->device_flags & DFLG_DEV_FAILED) {
4224                 ql_log(ql_log_warn, vha, 0xb059,
4225                     "Device in unrecoverable FAILED state.\n");
4226                 return QLA_FUNCTION_FAILED;
4227         }
4228
4229         qla83xx_idc_lock(vha, 0);
4230
4231         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4232                 ql_log(ql_log_warn, vha, 0xb05a,
4233                     "Function=0x%x has been removed from IDC participation.\n",
4234                     ha->portnum);
4235                 rval = QLA_FUNCTION_FAILED;
4236                 goto exit;
4237         }
4238
4239         qla83xx_reset_ownership(vha);
4240
4241         rval = qla83xx_initiating_reset(vha);
4242
4243         /*
4244          * Perform reset if we are the reset-owner,
4245          * else wait till IDC state changes to READY/FAILED.
4246          */
4247         if (rval == QLA_SUCCESS) {
4248                 rval = qla83xx_idc_state_handler(vha);
4249
4250                 if (rval == QLA_SUCCESS)
4251                         ha->flags.nic_core_hung = 0;
4252                 __qla83xx_clear_drv_ack(vha);
4253         }
4254
4255 exit:
4256         qla83xx_idc_unlock(vha, 0);
4257
4258         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4259
4260         return rval;
4261 }
4262
4263 int
4264 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4265 {
4266         struct qla_hw_data *ha = vha->hw;
4267         int rval = QLA_FUNCTION_FAILED;
4268
4269         if (!IS_MCTP_CAPABLE(ha)) {
4270                 /* This message can be removed from the final version */
4271                 ql_log(ql_log_info, vha, 0x506d,
4272                     "This board is not MCTP capable\n");
4273                 return rval;
4274         }
4275
4276         if (!ha->mctp_dump) {
4277                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4278                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4279
4280                 if (!ha->mctp_dump) {
4281                         ql_log(ql_log_warn, vha, 0x506e,
4282                             "Failed to allocate memory for mctp dump\n");
4283                         return rval;
4284                 }
4285         }
4286
4287 #define MCTP_DUMP_STR_ADDR      0x00000000
4288         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4289             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4290         if (rval != QLA_SUCCESS) {
4291                 ql_log(ql_log_warn, vha, 0x506f,
4292                     "Failed to capture mctp dump\n");
4293         } else {
4294                 ql_log(ql_log_info, vha, 0x5070,
4295                     "Mctp dump capture for host (%ld/%p).\n",
4296                     vha->host_no, ha->mctp_dump);
4297                 ha->mctp_dumped = 1;
4298         }
4299
4300         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4301                 ha->flags.nic_core_reset_hdlr_active = 1;
4302                 rval = qla83xx_restart_nic_firmware(vha);
4303                 if (rval)
4304                         /* NIC Core reset failed. */
4305                         ql_log(ql_log_warn, vha, 0x5071,
4306                             "Failed to restart nic firmware\n");
4307                 else
4308                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4309                             "Restarted NIC firmware successfully.\n");
4310                 ha->flags.nic_core_reset_hdlr_active = 0;
4311         }
4312
4313         return rval;
4314
4315 }
4316
4317 /*
4318 * qla2x00_quiesce_io
4319 * Description: This function will block the new I/Os
4320 *              Its not aborting any I/Os as context
4321 *              is not destroyed during quiescence
4322 * Arguments: scsi_qla_host_t
4323 * return   : void
4324 */
4325 void
4326 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4327 {
4328         struct qla_hw_data *ha = vha->hw;
4329         struct scsi_qla_host *vp;
4330
4331         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4332             "Quiescing I/O - ha=%p.\n", ha);
4333
4334         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4335         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4336                 atomic_set(&vha->loop_state, LOOP_DOWN);
4337                 qla2x00_mark_all_devices_lost(vha, 0);
4338                 list_for_each_entry(vp, &ha->vp_list, list)
4339                         qla2x00_mark_all_devices_lost(vp, 0);
4340         } else {
4341                 if (!atomic_read(&vha->loop_down_timer))
4342                         atomic_set(&vha->loop_down_timer,
4343                                         LOOP_DOWN_TIME);
4344         }
4345         /* Wait for pending cmds to complete */
4346         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4347 }
4348
4349 void
4350 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4351 {
4352         struct qla_hw_data *ha = vha->hw;
4353         struct scsi_qla_host *vp;
4354         unsigned long flags;
4355         fc_port_t *fcport;
4356
4357         /* For ISP82XX, driver waits for completion of the commands.
4358          * online flag should be set.
4359          */
4360         if (!(IS_P3P_TYPE(ha)))
4361                 vha->flags.online = 0;
4362         ha->flags.chip_reset_done = 0;
4363         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4364         vha->qla_stats.total_isp_aborts++;
4365
4366         ql_log(ql_log_info, vha, 0x00af,
4367             "Performing ISP error recovery - ha=%p.\n", ha);
4368
4369         /* For ISP82XX, reset_chip is just disabling interrupts.
4370          * Driver waits for the completion of the commands.
4371          * the interrupts need to be enabled.
4372          */
4373         if (!(IS_P3P_TYPE(ha)))
4374                 ha->isp_ops->reset_chip(vha);
4375
4376         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4377         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4378                 atomic_set(&vha->loop_state, LOOP_DOWN);
4379                 qla2x00_mark_all_devices_lost(vha, 0);
4380
4381                 spin_lock_irqsave(&ha->vport_slock, flags);
4382                 list_for_each_entry(vp, &ha->vp_list, list) {
4383                         atomic_inc(&vp->vref_count);
4384                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4385
4386                         qla2x00_mark_all_devices_lost(vp, 0);
4387
4388                         spin_lock_irqsave(&ha->vport_slock, flags);
4389                         atomic_dec(&vp->vref_count);
4390                 }
4391                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4392         } else {
4393                 if (!atomic_read(&vha->loop_down_timer))
4394                         atomic_set(&vha->loop_down_timer,
4395                             LOOP_DOWN_TIME);
4396         }
4397
4398         /* Clear all async request states across all VPs. */
4399         list_for_each_entry(fcport, &vha->vp_fcports, list)
4400                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4401         spin_lock_irqsave(&ha->vport_slock, flags);
4402         list_for_each_entry(vp, &ha->vp_list, list) {
4403                 atomic_inc(&vp->vref_count);
4404                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4405
4406                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4407                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4408
4409                 spin_lock_irqsave(&ha->vport_slock, flags);
4410                 atomic_dec(&vp->vref_count);
4411         }
4412         spin_unlock_irqrestore(&ha->vport_slock, flags);
4413
4414         if (!ha->flags.eeh_busy) {
4415                 /* Make sure for ISP 82XX IO DMA is complete */
4416                 if (IS_P3P_TYPE(ha)) {
4417                         qla82xx_chip_reset_cleanup(vha);
4418                         ql_log(ql_log_info, vha, 0x00b4,
4419                             "Done chip reset cleanup.\n");
4420
4421                         /* Done waiting for pending commands.
4422                          * Reset the online flag.
4423                          */
4424                         vha->flags.online = 0;
4425                 }
4426
4427                 /* Requeue all commands in outstanding command list. */
4428                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4429         }
4430 }
4431
4432 /*
4433 *  qla2x00_abort_isp
4434 *      Resets ISP and aborts all outstanding commands.
4435 *
4436 * Input:
4437 *      ha           = adapter block pointer.
4438 *
4439 * Returns:
4440 *      0 = success
4441 */
4442 int
4443 qla2x00_abort_isp(scsi_qla_host_t *vha)
4444 {
4445         int rval;
4446         uint8_t        status = 0;
4447         struct qla_hw_data *ha = vha->hw;
4448         struct scsi_qla_host *vp;
4449         struct req_que *req = ha->req_q_map[0];
4450         unsigned long flags;
4451
4452         if (vha->flags.online) {
4453                 qla2x00_abort_isp_cleanup(vha);
4454
4455                 if (IS_QLA8031(ha)) {
4456                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4457                             "Clearing fcoe driver presence.\n");
4458                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4459                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4460                                     "Error while clearing DRV-Presence.\n");
4461                 }
4462
4463                 if (unlikely(pci_channel_offline(ha->pdev) &&
4464                     ha->flags.pci_channel_io_perm_failure)) {
4465                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4466                         status = 0;
4467                         return status;
4468                 }
4469
4470                 ha->isp_ops->get_flash_version(vha, req->ring);
4471
4472                 ha->isp_ops->nvram_config(vha);
4473
4474                 if (!qla2x00_restart_isp(vha)) {
4475                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4476
4477                         if (!atomic_read(&vha->loop_down_timer)) {
4478                                 /*
4479                                  * Issue marker command only when we are going
4480                                  * to start the I/O .
4481                                  */
4482                                 vha->marker_needed = 1;
4483                         }
4484
4485                         vha->flags.online = 1;
4486
4487                         ha->isp_ops->enable_intrs(ha);
4488
4489                         ha->isp_abort_cnt = 0;
4490                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4491
4492                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4493                                 qla2x00_get_fw_version(vha);
4494                         if (ha->fce) {
4495                                 ha->flags.fce_enabled = 1;
4496                                 memset(ha->fce, 0,
4497                                     fce_calc_size(ha->fce_bufs));
4498                                 rval = qla2x00_enable_fce_trace(vha,
4499                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4500                                     &ha->fce_bufs);
4501                                 if (rval) {
4502                                         ql_log(ql_log_warn, vha, 0x8033,
4503                                             "Unable to reinitialize FCE "
4504                                             "(%d).\n", rval);
4505                                         ha->flags.fce_enabled = 0;
4506                                 }
4507                         }
4508
4509                         if (ha->eft) {
4510                                 memset(ha->eft, 0, EFT_SIZE);
4511                                 rval = qla2x00_enable_eft_trace(vha,
4512                                     ha->eft_dma, EFT_NUM_BUFFERS);
4513                                 if (rval) {
4514                                         ql_log(ql_log_warn, vha, 0x8034,
4515                                             "Unable to reinitialize EFT "
4516                                             "(%d).\n", rval);
4517                                 }
4518                         }
4519                 } else {        /* failed the ISP abort */
4520                         vha->flags.online = 1;
4521                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4522                                 if (ha->isp_abort_cnt == 0) {
4523                                         ql_log(ql_log_fatal, vha, 0x8035,
4524                                             "ISP error recover failed - "
4525                                             "board disabled.\n");
4526                                         /*
4527                                          * The next call disables the board
4528                                          * completely.
4529                                          */
4530                                         ha->isp_ops->reset_adapter(vha);
4531                                         vha->flags.online = 0;
4532                                         clear_bit(ISP_ABORT_RETRY,
4533                                             &vha->dpc_flags);
4534                                         status = 0;
4535                                 } else { /* schedule another ISP abort */
4536                                         ha->isp_abort_cnt--;
4537                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4538                                             "ISP abort - retry remaining %d.\n",
4539                                             ha->isp_abort_cnt);
4540                                         status = 1;
4541                                 }
4542                         } else {
4543                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4544                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4545                                     "ISP error recovery - retrying (%d) "
4546                                     "more times.\n", ha->isp_abort_cnt);
4547                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4548                                 status = 1;
4549                         }
4550                 }
4551
4552         }
4553
4554         if (!status) {
4555                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4556
4557                 spin_lock_irqsave(&ha->vport_slock, flags);
4558                 list_for_each_entry(vp, &ha->vp_list, list) {
4559                         if (vp->vp_idx) {
4560                                 atomic_inc(&vp->vref_count);
4561                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4562
4563                                 qla2x00_vp_abort_isp(vp);
4564
4565                                 spin_lock_irqsave(&ha->vport_slock, flags);
4566                                 atomic_dec(&vp->vref_count);
4567                         }
4568                 }
4569                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4570
4571                 if (IS_QLA8031(ha)) {
4572                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4573                             "Setting back fcoe driver presence.\n");
4574                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4575                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4576                                     "Error while setting DRV-Presence.\n");
4577                 }
4578         } else {
4579                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4580                        __func__);
4581         }
4582
4583         return(status);
4584 }
4585
4586 /*
4587 *  qla2x00_restart_isp
4588 *      restarts the ISP after a reset
4589 *
4590 * Input:
4591 *      ha = adapter block pointer.
4592 *
4593 * Returns:
4594 *      0 = success
4595 */
4596 static int
4597 qla2x00_restart_isp(scsi_qla_host_t *vha)
4598 {
4599         int status = 0;
4600         uint32_t wait_time;
4601         struct qla_hw_data *ha = vha->hw;
4602         struct req_que *req = ha->req_q_map[0];
4603         struct rsp_que *rsp = ha->rsp_q_map[0];
4604         unsigned long flags;
4605
4606         /* If firmware needs to be loaded */
4607         if (qla2x00_isp_firmware(vha)) {
4608                 vha->flags.online = 0;
4609                 status = ha->isp_ops->chip_diag(vha);
4610                 if (!status)
4611                         status = qla2x00_setup_chip(vha);
4612         }
4613
4614         if (!status && !(status = qla2x00_init_rings(vha))) {
4615                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4616                 ha->flags.chip_reset_done = 1;
4617                 /* Initialize the queues in use */
4618                 qla25xx_init_queues(ha);
4619
4620                 status = qla2x00_fw_ready(vha);
4621                 if (!status) {
4622                         ql_dbg(ql_dbg_taskm, vha, 0x8031,
4623                             "Start configure loop status = %d.\n", status);
4624
4625                         /* Issue a marker after FW becomes ready. */
4626                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4627
4628                         vha->flags.online = 1;
4629
4630                         /*
4631                          * Process any ATIO queue entries that came in
4632                          * while we weren't online.
4633                          */
4634                         spin_lock_irqsave(&ha->hardware_lock, flags);
4635                         if (qla_tgt_mode_enabled(vha))
4636                                 qlt_24xx_process_atio_queue(vha);
4637                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4638
4639                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4640                         wait_time = 256;
4641                         do {
4642                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4643                                 qla2x00_configure_loop(vha);
4644                                 wait_time--;
4645                         } while (!atomic_read(&vha->loop_down_timer) &&
4646                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4647                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4648                                 &vha->dpc_flags)));
4649                 }
4650
4651                 /* if no cable then assume it's good */
4652                 if ((vha->device_flags & DFLG_NO_CABLE))
4653                         status = 0;
4654
4655                 ql_dbg(ql_dbg_taskm, vha, 0x8032,
4656                     "Configure loop done, status = 0x%x.\n", status);
4657         }
4658         return (status);
4659 }
4660
4661 static int
4662 qla25xx_init_queues(struct qla_hw_data *ha)
4663 {
4664         struct rsp_que *rsp = NULL;
4665         struct req_que *req = NULL;
4666         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4667         int ret = -1;
4668         int i;
4669
4670         for (i = 1; i < ha->max_rsp_queues; i++) {
4671                 rsp = ha->rsp_q_map[i];
4672                 if (rsp) {
4673                         rsp->options &= ~BIT_0;
4674                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4675                         if (ret != QLA_SUCCESS)
4676                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4677                                     "%s Rsp que: %d init failed.\n",
4678                                     __func__, rsp->id);
4679                         else
4680                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4681                                     "%s Rsp que: %d inited.\n",
4682                                     __func__, rsp->id);
4683                 }
4684         }
4685         for (i = 1; i < ha->max_req_queues; i++) {
4686                 req = ha->req_q_map[i];
4687                 if (req) {
4688                 /* Clear outstanding commands array. */
4689                         req->options &= ~BIT_0;
4690                         ret = qla25xx_init_req_que(base_vha, req);
4691                         if (ret != QLA_SUCCESS)
4692                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4693                                     "%s Req que: %d init failed.\n",
4694                                     __func__, req->id);
4695                         else
4696                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4697                                     "%s Req que: %d inited.\n",
4698                                     __func__, req->id);
4699                 }
4700         }
4701         return ret;
4702 }
4703
4704 /*
4705 * qla2x00_reset_adapter
4706 *      Reset adapter.
4707 *
4708 * Input:
4709 *      ha = adapter block pointer.
4710 */
4711 void
4712 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4713 {
4714         unsigned long flags = 0;
4715         struct qla_hw_data *ha = vha->hw;
4716         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4717
4718         vha->flags.online = 0;
4719         ha->isp_ops->disable_intrs(ha);
4720
4721         spin_lock_irqsave(&ha->hardware_lock, flags);
4722         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4723         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4724         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4725         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4726         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4727 }
4728
4729 void
4730 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4731 {
4732         unsigned long flags = 0;
4733         struct qla_hw_data *ha = vha->hw;
4734         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4735
4736         if (IS_P3P_TYPE(ha))
4737                 return;
4738
4739         vha->flags.online = 0;
4740         ha->isp_ops->disable_intrs(ha);
4741
4742         spin_lock_irqsave(&ha->hardware_lock, flags);
4743         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4744         RD_REG_DWORD(&reg->hccr);
4745         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4746         RD_REG_DWORD(&reg->hccr);
4747         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4748
4749         if (IS_NOPOLLING_TYPE(ha))
4750                 ha->isp_ops->enable_intrs(ha);
4751 }
4752
4753 /* On sparc systems, obtain port and node WWN from firmware
4754  * properties.
4755  */
4756 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4757         struct nvram_24xx *nv)
4758 {
4759 #ifdef CONFIG_SPARC
4760         struct qla_hw_data *ha = vha->hw;
4761         struct pci_dev *pdev = ha->pdev;
4762         struct device_node *dp = pci_device_to_OF_node(pdev);
4763         const u8 *val;
4764         int len;
4765
4766         val = of_get_property(dp, "port-wwn", &len);
4767         if (val && len >= WWN_SIZE)
4768                 memcpy(nv->port_name, val, WWN_SIZE);
4769
4770         val = of_get_property(dp, "node-wwn", &len);
4771         if (val && len >= WWN_SIZE)
4772                 memcpy(nv->node_name, val, WWN_SIZE);
4773 #endif
4774 }
4775
4776 int
4777 qla24xx_nvram_config(scsi_qla_host_t *vha)
4778 {
4779         int   rval;
4780         struct init_cb_24xx *icb;
4781         struct nvram_24xx *nv;
4782         uint32_t *dptr;
4783         uint8_t  *dptr1, *dptr2;
4784         uint32_t chksum;
4785         uint16_t cnt;
4786         struct qla_hw_data *ha = vha->hw;
4787
4788         rval = QLA_SUCCESS;
4789         icb = (struct init_cb_24xx *)ha->init_cb;
4790         nv = ha->nvram;
4791
4792         /* Determine NVRAM starting address. */
4793         if (ha->flags.port0) {
4794                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4795                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4796         } else {
4797                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4798                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4799         }
4800         ha->nvram_size = sizeof(struct nvram_24xx);
4801         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4802
4803         /* Get VPD data into cache */
4804         ha->vpd = ha->nvram + VPD_OFFSET;
4805         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4806             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4807
4808         /* Get NVRAM data into cache and calculate checksum. */
4809         dptr = (uint32_t *)nv;
4810         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4811             ha->nvram_size);
4812         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4813                 chksum += le32_to_cpu(*dptr++);
4814
4815         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4816             "Contents of NVRAM\n");
4817         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4818             (uint8_t *)nv, ha->nvram_size);
4819
4820         /* Bad NVRAM data, set defaults parameters. */
4821         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4822             || nv->id[3] != ' ' ||
4823             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4824                 /* Reset NVRAM data. */
4825                 ql_log(ql_log_warn, vha, 0x006b,
4826                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
4827                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4828                 ql_log(ql_log_warn, vha, 0x006c,
4829                     "Falling back to functioning (yet invalid -- WWPN) "
4830                     "defaults.\n");
4831
4832                 /*
4833                  * Set default initialization control block.
4834                  */
4835                 memset(nv, 0, ha->nvram_size);
4836                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4837                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4838                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4839                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4840                 nv->exchange_count = __constant_cpu_to_le16(0);
4841                 nv->hard_address = __constant_cpu_to_le16(124);
4842                 nv->port_name[0] = 0x21;
4843                 nv->port_name[1] = 0x00 + ha->port_no;
4844                 nv->port_name[2] = 0x00;
4845                 nv->port_name[3] = 0xe0;
4846                 nv->port_name[4] = 0x8b;
4847                 nv->port_name[5] = 0x1c;
4848                 nv->port_name[6] = 0x55;
4849                 nv->port_name[7] = 0x86;
4850                 nv->node_name[0] = 0x20;
4851                 nv->node_name[1] = 0x00;
4852                 nv->node_name[2] = 0x00;
4853                 nv->node_name[3] = 0xe0;
4854                 nv->node_name[4] = 0x8b;
4855                 nv->node_name[5] = 0x1c;
4856                 nv->node_name[6] = 0x55;
4857                 nv->node_name[7] = 0x86;
4858                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4859                 nv->login_retry_count = __constant_cpu_to_le16(8);
4860                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4861                 nv->login_timeout = __constant_cpu_to_le16(0);
4862                 nv->firmware_options_1 =
4863                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4864                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4865                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4866                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4867                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4868                 nv->efi_parameters = __constant_cpu_to_le32(0);
4869                 nv->reset_delay = 5;
4870                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4871                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4872                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4873
4874                 rval = 1;
4875         }
4876
4877         if (!qla_ini_mode_enabled(vha)) {
4878                 /* Don't enable full login after initial LIP */
4879                 nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
4880                 /* Don't enable LIP full login for initiator */
4881                 nv->host_p &= __constant_cpu_to_le32(~BIT_10);
4882         }
4883
4884         qlt_24xx_config_nvram_stage1(vha, nv);
4885
4886         /* Reset Initialization control block */
4887         memset(icb, 0, ha->init_cb_size);
4888
4889         /* Copy 1st segment. */
4890         dptr1 = (uint8_t *)icb;
4891         dptr2 = (uint8_t *)&nv->version;
4892         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4893         while (cnt--)
4894                 *dptr1++ = *dptr2++;
4895
4896         icb->login_retry_count = nv->login_retry_count;
4897         icb->link_down_on_nos = nv->link_down_on_nos;
4898
4899         /* Copy 2nd segment. */
4900         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4901         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4902         cnt = (uint8_t *)&icb->reserved_3 -
4903             (uint8_t *)&icb->interrupt_delay_timer;
4904         while (cnt--)
4905                 *dptr1++ = *dptr2++;
4906
4907         /*
4908          * Setup driver NVRAM options.
4909          */
4910         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4911             "QLA2462");
4912
4913         qlt_24xx_config_nvram_stage2(vha, icb);
4914
4915         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4916                 /* Use alternate WWN? */
4917                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4918                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4919         }
4920
4921         /* Prepare nodename */
4922         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4923                 /*
4924                  * Firmware will apply the following mask if the nodename was
4925                  * not provided.
4926                  */
4927                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4928                 icb->node_name[0] &= 0xF0;
4929         }
4930
4931         /* Set host adapter parameters. */
4932         ha->flags.disable_risc_code_load = 0;
4933         ha->flags.enable_lip_reset = 0;
4934         ha->flags.enable_lip_full_login =
4935             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4936         ha->flags.enable_target_reset =
4937             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4938         ha->flags.enable_led_scheme = 0;
4939         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4940
4941         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4942             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4943
4944         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4945             sizeof(ha->fw_seriallink_options24));
4946
4947         /* save HBA serial number */
4948         ha->serial0 = icb->port_name[5];
4949         ha->serial1 = icb->port_name[6];
4950         ha->serial2 = icb->port_name[7];
4951         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4952         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4953
4954         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4955
4956         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4957
4958         /* Set minimum login_timeout to 4 seconds. */
4959         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4960                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4961         if (le16_to_cpu(nv->login_timeout) < 4)
4962                 nv->login_timeout = __constant_cpu_to_le16(4);
4963         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4964         icb->login_timeout = nv->login_timeout;
4965
4966         /* Set minimum RATOV to 100 tenths of a second. */
4967         ha->r_a_tov = 100;
4968
4969         ha->loop_reset_delay = nv->reset_delay;
4970
4971         /* Link Down Timeout = 0:
4972          *
4973          *      When Port Down timer expires we will start returning
4974          *      I/O's to OS with "DID_NO_CONNECT".
4975          *
4976          * Link Down Timeout != 0:
4977          *
4978          *       The driver waits for the link to come up after link down
4979          *       before returning I/Os to OS with "DID_NO_CONNECT".
4980          */
4981         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4982                 ha->loop_down_abort_time =
4983                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4984         } else {
4985                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4986                 ha->loop_down_abort_time =
4987                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4988         }
4989
4990         /* Need enough time to try and get the port back. */
4991         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4992         if (qlport_down_retry)
4993                 ha->port_down_retry_count = qlport_down_retry;
4994
4995         /* Set login_retry_count */
4996         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4997         if (ha->port_down_retry_count ==
4998             le16_to_cpu(nv->port_down_retry_count) &&
4999             ha->port_down_retry_count > 3)
5000                 ha->login_retry_count = ha->port_down_retry_count;
5001         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5002                 ha->login_retry_count = ha->port_down_retry_count;
5003         if (ql2xloginretrycount)
5004                 ha->login_retry_count = ql2xloginretrycount;
5005
5006         /* Enable ZIO. */
5007         if (!vha->flags.init_done) {
5008                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5009                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5010                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5011                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5012         }
5013         icb->firmware_options_2 &= __constant_cpu_to_le32(
5014             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5015         vha->flags.process_response_queue = 0;
5016         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5017                 ha->zio_mode = QLA_ZIO_MODE_6;
5018
5019                 ql_log(ql_log_info, vha, 0x006f,
5020                     "ZIO mode %d enabled; timer delay (%d us).\n",
5021                     ha->zio_mode, ha->zio_timer * 100);
5022
5023                 icb->firmware_options_2 |= cpu_to_le32(
5024                     (uint32_t)ha->zio_mode);
5025                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5026                 vha->flags.process_response_queue = 1;
5027         }
5028
5029         if (rval) {
5030                 ql_log(ql_log_warn, vha, 0x0070,
5031                     "NVRAM configuration failed.\n");
5032         }
5033         return (rval);
5034 }
5035
5036 static int
5037 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5038     uint32_t faddr)
5039 {
5040         int     rval = QLA_SUCCESS;
5041         int     segments, fragment;
5042         uint32_t *dcode, dlen;
5043         uint32_t risc_addr;
5044         uint32_t risc_size;
5045         uint32_t i;
5046         struct qla_hw_data *ha = vha->hw;
5047         struct req_que *req = ha->req_q_map[0];
5048
5049         ql_dbg(ql_dbg_init, vha, 0x008b,
5050             "FW: Loading firmware from flash (%x).\n", faddr);
5051
5052         rval = QLA_SUCCESS;
5053
5054         segments = FA_RISC_CODE_SEGMENTS;
5055         dcode = (uint32_t *)req->ring;
5056         *srisc_addr = 0;
5057
5058         /* Validate firmware image by checking version. */
5059         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5060         for (i = 0; i < 4; i++)
5061                 dcode[i] = be32_to_cpu(dcode[i]);
5062         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5063             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5064             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5065                 dcode[3] == 0)) {
5066                 ql_log(ql_log_fatal, vha, 0x008c,
5067                     "Unable to verify the integrity of flash firmware "
5068                     "image.\n");
5069                 ql_log(ql_log_fatal, vha, 0x008d,
5070                     "Firmware data: %08x %08x %08x %08x.\n",
5071                     dcode[0], dcode[1], dcode[2], dcode[3]);
5072
5073                 return QLA_FUNCTION_FAILED;
5074         }
5075
5076         while (segments && rval == QLA_SUCCESS) {
5077                 /* Read segment's load information. */
5078                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5079
5080                 risc_addr = be32_to_cpu(dcode[2]);
5081                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5082                 risc_size = be32_to_cpu(dcode[3]);
5083
5084                 fragment = 0;
5085                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5086                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5087                         if (dlen > risc_size)
5088                                 dlen = risc_size;
5089
5090                         ql_dbg(ql_dbg_init, vha, 0x008e,
5091                             "Loading risc segment@ risc addr %x "
5092                             "number of dwords 0x%x offset 0x%x.\n",
5093                             risc_addr, dlen, faddr);
5094
5095                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5096                         for (i = 0; i < dlen; i++)
5097                                 dcode[i] = swab32(dcode[i]);
5098
5099                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5100                             dlen);
5101                         if (rval) {
5102                                 ql_log(ql_log_fatal, vha, 0x008f,
5103                                     "Failed to load segment %d of firmware.\n",
5104                                     fragment);
5105                                 break;
5106                         }
5107
5108                         faddr += dlen;
5109                         risc_addr += dlen;
5110                         risc_size -= dlen;
5111                         fragment++;
5112                 }
5113
5114                 /* Next segment. */
5115                 segments--;
5116         }
5117
5118         return rval;
5119 }
5120
5121 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5122
5123 int
5124 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5125 {
5126         int     rval;
5127         int     i, fragment;
5128         uint16_t *wcode, *fwcode;
5129         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5130         struct fw_blob *blob;
5131         struct qla_hw_data *ha = vha->hw;
5132         struct req_que *req = ha->req_q_map[0];
5133
5134         /* Load firmware blob. */
5135         blob = qla2x00_request_firmware(vha);
5136         if (!blob) {
5137                 ql_log(ql_log_info, vha, 0x0083,
5138                     "Fimware image unavailable.\n");
5139                 ql_log(ql_log_info, vha, 0x0084,
5140                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5141                 return QLA_FUNCTION_FAILED;
5142         }
5143
5144         rval = QLA_SUCCESS;
5145
5146         wcode = (uint16_t *)req->ring;
5147         *srisc_addr = 0;
5148         fwcode = (uint16_t *)blob->fw->data;
5149         fwclen = 0;
5150
5151         /* Validate firmware image by checking version. */
5152         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5153                 ql_log(ql_log_fatal, vha, 0x0085,
5154                     "Unable to verify integrity of firmware image (%Zd).\n",
5155                     blob->fw->size);
5156                 goto fail_fw_integrity;
5157         }
5158         for (i = 0; i < 4; i++)
5159                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5160         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5161             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5162                 wcode[2] == 0 && wcode[3] == 0)) {
5163                 ql_log(ql_log_fatal, vha, 0x0086,
5164                     "Unable to verify integrity of firmware image.\n");
5165                 ql_log(ql_log_fatal, vha, 0x0087,
5166                     "Firmware data: %04x %04x %04x %04x.\n",
5167                     wcode[0], wcode[1], wcode[2], wcode[3]);
5168                 goto fail_fw_integrity;
5169         }
5170
5171         seg = blob->segs;
5172         while (*seg && rval == QLA_SUCCESS) {
5173                 risc_addr = *seg;
5174                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5175                 risc_size = be16_to_cpu(fwcode[3]);
5176
5177                 /* Validate firmware image size. */
5178                 fwclen += risc_size * sizeof(uint16_t);
5179                 if (blob->fw->size < fwclen) {
5180                         ql_log(ql_log_fatal, vha, 0x0088,
5181                             "Unable to verify integrity of firmware image "
5182                             "(%Zd).\n", blob->fw->size);
5183                         goto fail_fw_integrity;
5184                 }
5185
5186                 fragment = 0;
5187                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5188                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5189                         if (wlen > risc_size)
5190                                 wlen = risc_size;
5191                         ql_dbg(ql_dbg_init, vha, 0x0089,
5192                             "Loading risc segment@ risc addr %x number of "
5193                             "words 0x%x.\n", risc_addr, wlen);
5194
5195                         for (i = 0; i < wlen; i++)
5196                                 wcode[i] = swab16(fwcode[i]);
5197
5198                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5199                             wlen);
5200                         if (rval) {
5201                                 ql_log(ql_log_fatal, vha, 0x008a,
5202                                     "Failed to load segment %d of firmware.\n",
5203                                     fragment);
5204                                 break;
5205                         }
5206
5207                         fwcode += wlen;
5208                         risc_addr += wlen;
5209                         risc_size -= wlen;
5210                         fragment++;
5211                 }
5212
5213                 /* Next segment. */
5214                 seg++;
5215         }
5216         return rval;
5217
5218 fail_fw_integrity:
5219         return QLA_FUNCTION_FAILED;
5220 }
5221
5222 static int
5223 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5224 {
5225         int     rval;
5226         int     segments, fragment;
5227         uint32_t *dcode, dlen;
5228         uint32_t risc_addr;
5229         uint32_t risc_size;
5230         uint32_t i;
5231         struct fw_blob *blob;
5232         uint32_t *fwcode, fwclen;
5233         struct qla_hw_data *ha = vha->hw;
5234         struct req_que *req = ha->req_q_map[0];
5235
5236         /* Load firmware blob. */
5237         blob = qla2x00_request_firmware(vha);
5238         if (!blob) {
5239                 ql_log(ql_log_warn, vha, 0x0090,
5240                     "Fimware image unavailable.\n");
5241                 ql_log(ql_log_warn, vha, 0x0091,
5242                     "Firmware images can be retrieved from: "
5243                     QLA_FW_URL ".\n");
5244
5245                 return QLA_FUNCTION_FAILED;
5246         }
5247
5248         ql_dbg(ql_dbg_init, vha, 0x0092,
5249             "FW: Loading via request-firmware.\n");
5250
5251         rval = QLA_SUCCESS;
5252
5253         segments = FA_RISC_CODE_SEGMENTS;
5254         dcode = (uint32_t *)req->ring;
5255         *srisc_addr = 0;
5256         fwcode = (uint32_t *)blob->fw->data;
5257         fwclen = 0;
5258
5259         /* Validate firmware image by checking version. */
5260         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5261                 ql_log(ql_log_fatal, vha, 0x0093,
5262                     "Unable to verify integrity of firmware image (%Zd).\n",
5263                     blob->fw->size);
5264                 goto fail_fw_integrity;
5265         }
5266         for (i = 0; i < 4; i++)
5267                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5268         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5269             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5270             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5271                 dcode[3] == 0)) {
5272                 ql_log(ql_log_fatal, vha, 0x0094,
5273                     "Unable to verify integrity of firmware image (%Zd).\n",
5274                     blob->fw->size);
5275                 ql_log(ql_log_fatal, vha, 0x0095,
5276                     "Firmware data: %08x %08x %08x %08x.\n",
5277                     dcode[0], dcode[1], dcode[2], dcode[3]);
5278                 goto fail_fw_integrity;
5279         }
5280
5281         while (segments && rval == QLA_SUCCESS) {
5282                 risc_addr = be32_to_cpu(fwcode[2]);
5283                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5284                 risc_size = be32_to_cpu(fwcode[3]);
5285
5286                 /* Validate firmware image size. */
5287                 fwclen += risc_size * sizeof(uint32_t);
5288                 if (blob->fw->size < fwclen) {
5289                         ql_log(ql_log_fatal, vha, 0x0096,
5290                             "Unable to verify integrity of firmware image "
5291                             "(%Zd).\n", blob->fw->size);
5292
5293                         goto fail_fw_integrity;
5294                 }
5295
5296                 fragment = 0;
5297                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5298                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5299                         if (dlen > risc_size)
5300                                 dlen = risc_size;
5301
5302                         ql_dbg(ql_dbg_init, vha, 0x0097,
5303                             "Loading risc segment@ risc addr %x "
5304                             "number of dwords 0x%x.\n", risc_addr, dlen);
5305
5306                         for (i = 0; i < dlen; i++)
5307                                 dcode[i] = swab32(fwcode[i]);
5308
5309                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5310                             dlen);
5311                         if (rval) {
5312                                 ql_log(ql_log_fatal, vha, 0x0098,
5313                                     "Failed to load segment %d of firmware.\n",
5314                                     fragment);
5315                                 break;
5316                         }
5317
5318                         fwcode += dlen;
5319                         risc_addr += dlen;
5320                         risc_size -= dlen;
5321                         fragment++;
5322                 }
5323
5324                 /* Next segment. */
5325                 segments--;
5326         }
5327         return rval;
5328
5329 fail_fw_integrity:
5330         return QLA_FUNCTION_FAILED;
5331 }
5332
5333 int
5334 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5335 {
5336         int rval;
5337
5338         if (ql2xfwloadbin == 1)
5339                 return qla81xx_load_risc(vha, srisc_addr);
5340
5341         /*
5342          * FW Load priority:
5343          * 1) Firmware via request-firmware interface (.bin file).
5344          * 2) Firmware residing in flash.
5345          */
5346         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5347         if (rval == QLA_SUCCESS)
5348                 return rval;
5349
5350         return qla24xx_load_risc_flash(vha, srisc_addr,
5351             vha->hw->flt_region_fw);
5352 }
5353
5354 int
5355 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5356 {
5357         int rval;
5358         struct qla_hw_data *ha = vha->hw;
5359
5360         if (ql2xfwloadbin == 2)
5361                 goto try_blob_fw;
5362
5363         /*
5364          * FW Load priority:
5365          * 1) Firmware residing in flash.
5366          * 2) Firmware via request-firmware interface (.bin file).
5367          * 3) Golden-Firmware residing in flash -- limited operation.
5368          */
5369         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5370         if (rval == QLA_SUCCESS)
5371                 return rval;
5372
5373 try_blob_fw:
5374         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5375         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5376                 return rval;
5377
5378         ql_log(ql_log_info, vha, 0x0099,
5379             "Attempting to fallback to golden firmware.\n");
5380         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5381         if (rval != QLA_SUCCESS)
5382                 return rval;
5383
5384         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5385         ha->flags.running_gold_fw = 1;
5386         return rval;
5387 }
5388
5389 void
5390 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5391 {
5392         int ret, retries;
5393         struct qla_hw_data *ha = vha->hw;
5394
5395         if (ha->flags.pci_channel_io_perm_failure)
5396                 return;
5397         if (!IS_FWI2_CAPABLE(ha))
5398                 return;
5399         if (!ha->fw_major_version)
5400                 return;
5401
5402         ret = qla2x00_stop_firmware(vha);
5403         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5404             ret != QLA_INVALID_COMMAND && retries ; retries--) {
5405                 ha->isp_ops->reset_chip(vha);
5406                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5407                         continue;
5408                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5409                         continue;
5410                 ql_log(ql_log_info, vha, 0x8015,
5411                     "Attempting retry of stop-firmware command.\n");
5412                 ret = qla2x00_stop_firmware(vha);
5413         }
5414 }
5415
5416 int
5417 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5418 {
5419         int rval = QLA_SUCCESS;
5420         int rval2;
5421         uint16_t mb[MAILBOX_REGISTER_COUNT];
5422         struct qla_hw_data *ha = vha->hw;
5423         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5424         struct req_que *req;
5425         struct rsp_que *rsp;
5426
5427         if (!vha->vp_idx)
5428                 return -EINVAL;
5429
5430         rval = qla2x00_fw_ready(base_vha);
5431         if (ha->flags.cpu_affinity_enabled)
5432                 req = ha->req_q_map[0];
5433         else
5434                 req = vha->req;
5435         rsp = req->rsp;
5436
5437         if (rval == QLA_SUCCESS) {
5438                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5439                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5440         }
5441
5442         vha->flags.management_server_logged_in = 0;
5443
5444         /* Login to SNS first */
5445         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5446             BIT_1);
5447         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5448                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5449                         ql_dbg(ql_dbg_init, vha, 0x0120,
5450                             "Failed SNS login: loop_id=%x, rval2=%d\n",
5451                             NPH_SNS, rval2);
5452                 else
5453                         ql_dbg(ql_dbg_init, vha, 0x0103,
5454                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5455                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5456                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5457                 return (QLA_FUNCTION_FAILED);
5458         }
5459
5460         atomic_set(&vha->loop_down_timer, 0);
5461         atomic_set(&vha->loop_state, LOOP_UP);
5462         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5463         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5464         rval = qla2x00_loop_resync(base_vha);
5465
5466         return rval;
5467 }
5468
5469 /* 84XX Support **************************************************************/
5470
5471 static LIST_HEAD(qla_cs84xx_list);
5472 static DEFINE_MUTEX(qla_cs84xx_mutex);
5473
5474 static struct qla_chip_state_84xx *
5475 qla84xx_get_chip(struct scsi_qla_host *vha)
5476 {
5477         struct qla_chip_state_84xx *cs84xx;
5478         struct qla_hw_data *ha = vha->hw;
5479
5480         mutex_lock(&qla_cs84xx_mutex);
5481
5482         /* Find any shared 84xx chip. */
5483         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5484                 if (cs84xx->bus == ha->pdev->bus) {
5485                         kref_get(&cs84xx->kref);
5486                         goto done;
5487                 }
5488         }
5489
5490         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5491         if (!cs84xx)
5492                 goto done;
5493
5494         kref_init(&cs84xx->kref);
5495         spin_lock_init(&cs84xx->access_lock);
5496         mutex_init(&cs84xx->fw_update_mutex);
5497         cs84xx->bus = ha->pdev->bus;
5498
5499         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5500 done:
5501         mutex_unlock(&qla_cs84xx_mutex);
5502         return cs84xx;
5503 }
5504
5505 static void
5506 __qla84xx_chip_release(struct kref *kref)
5507 {
5508         struct qla_chip_state_84xx *cs84xx =
5509             container_of(kref, struct qla_chip_state_84xx, kref);
5510
5511         mutex_lock(&qla_cs84xx_mutex);
5512         list_del(&cs84xx->list);
5513         mutex_unlock(&qla_cs84xx_mutex);
5514         kfree(cs84xx);
5515 }
5516
5517 void
5518 qla84xx_put_chip(struct scsi_qla_host *vha)
5519 {
5520         struct qla_hw_data *ha = vha->hw;
5521         if (ha->cs84xx)
5522                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5523 }
5524
5525 static int
5526 qla84xx_init_chip(scsi_qla_host_t *vha)
5527 {
5528         int rval;
5529         uint16_t status[2];
5530         struct qla_hw_data *ha = vha->hw;
5531
5532         mutex_lock(&ha->cs84xx->fw_update_mutex);
5533
5534         rval = qla84xx_verify_chip(vha, status);
5535
5536         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5537
5538         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5539             QLA_SUCCESS;
5540 }
5541
5542 /* 81XX Support **************************************************************/
5543
5544 int
5545 qla81xx_nvram_config(scsi_qla_host_t *vha)
5546 {
5547         int   rval;
5548         struct init_cb_81xx *icb;
5549         struct nvram_81xx *nv;
5550         uint32_t *dptr;
5551         uint8_t  *dptr1, *dptr2;
5552         uint32_t chksum;
5553         uint16_t cnt;
5554         struct qla_hw_data *ha = vha->hw;
5555
5556         rval = QLA_SUCCESS;
5557         icb = (struct init_cb_81xx *)ha->init_cb;
5558         nv = ha->nvram;
5559
5560         /* Determine NVRAM starting address. */
5561         ha->nvram_size = sizeof(struct nvram_81xx);
5562         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5563         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
5564                 ha->vpd_size = FA_VPD_SIZE_82XX;
5565
5566         /* Get VPD data into cache */
5567         ha->vpd = ha->nvram + VPD_OFFSET;
5568         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5569             ha->vpd_size);
5570
5571         /* Get NVRAM data into cache and calculate checksum. */
5572         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5573             ha->nvram_size);
5574         dptr = (uint32_t *)nv;
5575         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5576                 chksum += le32_to_cpu(*dptr++);
5577
5578         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5579             "Contents of NVRAM:\n");
5580         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5581             (uint8_t *)nv, ha->nvram_size);
5582
5583         /* Bad NVRAM data, set defaults parameters. */
5584         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5585             || nv->id[3] != ' ' ||
5586             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5587                 /* Reset NVRAM data. */
5588                 ql_log(ql_log_info, vha, 0x0073,
5589                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5590                     "version=0x%x.\n", chksum, nv->id[0],
5591                     le16_to_cpu(nv->nvram_version));
5592                 ql_log(ql_log_info, vha, 0x0074,
5593                     "Falling back to functioning (yet invalid -- WWPN) "
5594                     "defaults.\n");
5595
5596                 /*
5597                  * Set default initialization control block.
5598                  */
5599                 memset(nv, 0, ha->nvram_size);
5600                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5601                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5602                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5603                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5604                 nv->exchange_count = __constant_cpu_to_le16(0);
5605                 nv->port_name[0] = 0x21;
5606                 nv->port_name[1] = 0x00 + ha->port_no;
5607                 nv->port_name[2] = 0x00;
5608                 nv->port_name[3] = 0xe0;
5609                 nv->port_name[4] = 0x8b;
5610                 nv->port_name[5] = 0x1c;
5611                 nv->port_name[6] = 0x55;
5612                 nv->port_name[7] = 0x86;
5613                 nv->node_name[0] = 0x20;
5614                 nv->node_name[1] = 0x00;
5615                 nv->node_name[2] = 0x00;
5616                 nv->node_name[3] = 0xe0;
5617                 nv->node_name[4] = 0x8b;
5618                 nv->node_name[5] = 0x1c;
5619                 nv->node_name[6] = 0x55;
5620                 nv->node_name[7] = 0x86;
5621                 nv->login_retry_count = __constant_cpu_to_le16(8);
5622                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5623                 nv->login_timeout = __constant_cpu_to_le16(0);
5624                 nv->firmware_options_1 =
5625                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5626                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5627                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5628                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5629                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5630                 nv->efi_parameters = __constant_cpu_to_le32(0);
5631                 nv->reset_delay = 5;
5632                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5633                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5634                 nv->link_down_timeout = __constant_cpu_to_le16(180);
5635                 nv->enode_mac[0] = 0x00;
5636                 nv->enode_mac[1] = 0xC0;
5637                 nv->enode_mac[2] = 0xDD;
5638                 nv->enode_mac[3] = 0x04;
5639                 nv->enode_mac[4] = 0x05;
5640                 nv->enode_mac[5] = 0x06 + ha->port_no;
5641
5642                 rval = 1;
5643         }
5644
5645         if (IS_T10_PI_CAPABLE(ha))
5646                 nv->frame_payload_size &= ~7;
5647
5648         qlt_81xx_config_nvram_stage1(vha, nv);
5649
5650         /* Reset Initialization control block */
5651         memset(icb, 0, ha->init_cb_size);
5652
5653         /* Copy 1st segment. */
5654         dptr1 = (uint8_t *)icb;
5655         dptr2 = (uint8_t *)&nv->version;
5656         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5657         while (cnt--)
5658                 *dptr1++ = *dptr2++;
5659
5660         icb->login_retry_count = nv->login_retry_count;
5661
5662         /* Copy 2nd segment. */
5663         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5664         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5665         cnt = (uint8_t *)&icb->reserved_5 -
5666             (uint8_t *)&icb->interrupt_delay_timer;
5667         while (cnt--)
5668                 *dptr1++ = *dptr2++;
5669
5670         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5671         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5672         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5673                 icb->enode_mac[0] = 0x00;
5674                 icb->enode_mac[1] = 0xC0;
5675                 icb->enode_mac[2] = 0xDD;
5676                 icb->enode_mac[3] = 0x04;
5677                 icb->enode_mac[4] = 0x05;
5678                 icb->enode_mac[5] = 0x06 + ha->port_no;
5679         }
5680
5681         /* Use extended-initialization control block. */
5682         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5683
5684         /*
5685          * Setup driver NVRAM options.
5686          */
5687         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5688             "QLE8XXX");
5689
5690         qlt_81xx_config_nvram_stage2(vha, icb);
5691
5692         /* Use alternate WWN? */
5693         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5694                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5695                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5696         }
5697
5698         /* Prepare nodename */
5699         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5700                 /*
5701                  * Firmware will apply the following mask if the nodename was
5702                  * not provided.
5703                  */
5704                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5705                 icb->node_name[0] &= 0xF0;
5706         }
5707
5708         /* Set host adapter parameters. */
5709         ha->flags.disable_risc_code_load = 0;
5710         ha->flags.enable_lip_reset = 0;
5711         ha->flags.enable_lip_full_login =
5712             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5713         ha->flags.enable_target_reset =
5714             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5715         ha->flags.enable_led_scheme = 0;
5716         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5717
5718         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5719             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5720
5721         /* save HBA serial number */
5722         ha->serial0 = icb->port_name[5];
5723         ha->serial1 = icb->port_name[6];
5724         ha->serial2 = icb->port_name[7];
5725         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5726         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5727
5728         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5729
5730         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5731
5732         /* Set minimum login_timeout to 4 seconds. */
5733         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5734                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5735         if (le16_to_cpu(nv->login_timeout) < 4)
5736                 nv->login_timeout = __constant_cpu_to_le16(4);
5737         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5738         icb->login_timeout = nv->login_timeout;
5739
5740         /* Set minimum RATOV to 100 tenths of a second. */
5741         ha->r_a_tov = 100;
5742
5743         ha->loop_reset_delay = nv->reset_delay;
5744
5745         /* Link Down Timeout = 0:
5746          *
5747          *      When Port Down timer expires we will start returning
5748          *      I/O's to OS with "DID_NO_CONNECT".
5749          *
5750          * Link Down Timeout != 0:
5751          *
5752          *       The driver waits for the link to come up after link down
5753          *       before returning I/Os to OS with "DID_NO_CONNECT".
5754          */
5755         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5756                 ha->loop_down_abort_time =
5757                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5758         } else {
5759                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5760                 ha->loop_down_abort_time =
5761                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5762         }
5763
5764         /* Need enough time to try and get the port back. */
5765         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5766         if (qlport_down_retry)
5767                 ha->port_down_retry_count = qlport_down_retry;
5768
5769         /* Set login_retry_count */
5770         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5771         if (ha->port_down_retry_count ==
5772             le16_to_cpu(nv->port_down_retry_count) &&
5773             ha->port_down_retry_count > 3)
5774                 ha->login_retry_count = ha->port_down_retry_count;
5775         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5776                 ha->login_retry_count = ha->port_down_retry_count;
5777         if (ql2xloginretrycount)
5778                 ha->login_retry_count = ql2xloginretrycount;
5779
5780         /* if not running MSI-X we need handshaking on interrupts */
5781         if (!vha->hw->flags.msix_enabled && IS_QLA83XX(ha))
5782                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22);
5783
5784         /* Enable ZIO. */
5785         if (!vha->flags.init_done) {
5786                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5787                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5788                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5789                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5790         }
5791         icb->firmware_options_2 &= __constant_cpu_to_le32(
5792             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5793         vha->flags.process_response_queue = 0;
5794         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5795                 ha->zio_mode = QLA_ZIO_MODE_6;
5796
5797                 ql_log(ql_log_info, vha, 0x0075,
5798                     "ZIO mode %d enabled; timer delay (%d us).\n",
5799                     ha->zio_mode,
5800                     ha->zio_timer * 100);
5801
5802                 icb->firmware_options_2 |= cpu_to_le32(
5803                     (uint32_t)ha->zio_mode);
5804                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5805                 vha->flags.process_response_queue = 1;
5806         }
5807
5808         if (rval) {
5809                 ql_log(ql_log_warn, vha, 0x0076,
5810                     "NVRAM configuration failed.\n");
5811         }
5812         return (rval);
5813 }
5814
5815 int
5816 qla82xx_restart_isp(scsi_qla_host_t *vha)
5817 {
5818         int status, rval;
5819         uint32_t wait_time;
5820         struct qla_hw_data *ha = vha->hw;
5821         struct req_que *req = ha->req_q_map[0];
5822         struct rsp_que *rsp = ha->rsp_q_map[0];
5823         struct scsi_qla_host *vp;
5824         unsigned long flags;
5825
5826         status = qla2x00_init_rings(vha);
5827         if (!status) {
5828                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5829                 ha->flags.chip_reset_done = 1;
5830
5831                 status = qla2x00_fw_ready(vha);
5832                 if (!status) {
5833                         ql_log(ql_log_info, vha, 0x803c,
5834                             "Start configure loop, status =%d.\n", status);
5835
5836                         /* Issue a marker after FW becomes ready. */
5837                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5838
5839                         vha->flags.online = 1;
5840                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5841                         wait_time = 256;
5842                         do {
5843                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5844                                 qla2x00_configure_loop(vha);
5845                                 wait_time--;
5846                         } while (!atomic_read(&vha->loop_down_timer) &&
5847                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5848                             wait_time &&
5849                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5850                 }
5851
5852                 /* if no cable then assume it's good */
5853                 if ((vha->device_flags & DFLG_NO_CABLE))
5854                         status = 0;
5855
5856                 ql_log(ql_log_info, vha, 0x8000,
5857                     "Configure loop done, status = 0x%x.\n", status);
5858         }
5859
5860         if (!status) {
5861                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5862
5863                 if (!atomic_read(&vha->loop_down_timer)) {
5864                         /*
5865                          * Issue marker command only when we are going
5866                          * to start the I/O .
5867                          */
5868                         vha->marker_needed = 1;
5869                 }
5870
5871                 vha->flags.online = 1;
5872
5873                 ha->isp_ops->enable_intrs(ha);
5874
5875                 ha->isp_abort_cnt = 0;
5876                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5877
5878                 /* Update the firmware version */
5879                 status = qla82xx_check_md_needed(vha);
5880
5881                 if (ha->fce) {
5882                         ha->flags.fce_enabled = 1;
5883                         memset(ha->fce, 0,
5884                             fce_calc_size(ha->fce_bufs));
5885                         rval = qla2x00_enable_fce_trace(vha,
5886                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5887                             &ha->fce_bufs);
5888                         if (rval) {
5889                                 ql_log(ql_log_warn, vha, 0x8001,
5890                                     "Unable to reinitialize FCE (%d).\n",
5891                                     rval);
5892                                 ha->flags.fce_enabled = 0;
5893                         }
5894                 }
5895
5896                 if (ha->eft) {
5897                         memset(ha->eft, 0, EFT_SIZE);
5898                         rval = qla2x00_enable_eft_trace(vha,
5899                             ha->eft_dma, EFT_NUM_BUFFERS);
5900                         if (rval) {
5901                                 ql_log(ql_log_warn, vha, 0x8010,
5902                                     "Unable to reinitialize EFT (%d).\n",
5903                                     rval);
5904                         }
5905                 }
5906         }
5907
5908         if (!status) {
5909                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
5910                     "qla82xx_restart_isp succeeded.\n");
5911
5912                 spin_lock_irqsave(&ha->vport_slock, flags);
5913                 list_for_each_entry(vp, &ha->vp_list, list) {
5914                         if (vp->vp_idx) {
5915                                 atomic_inc(&vp->vref_count);
5916                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5917
5918                                 qla2x00_vp_abort_isp(vp);
5919
5920                                 spin_lock_irqsave(&ha->vport_slock, flags);
5921                                 atomic_dec(&vp->vref_count);
5922                         }
5923                 }
5924                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5925
5926         } else {
5927                 ql_log(ql_log_warn, vha, 0x8016,
5928                     "qla82xx_restart_isp **** FAILED ****.\n");
5929         }
5930
5931         return status;
5932 }
5933
5934 void
5935 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5936 {
5937         struct qla_hw_data *ha = vha->hw;
5938
5939         if (!ql2xetsenable)
5940                 return;
5941
5942         /* Enable ETS Burst. */
5943         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5944         ha->fw_options[2] |= BIT_9;
5945         qla2x00_set_fw_options(vha, ha->fw_options);
5946 }
5947
5948 /*
5949  * qla24xx_get_fcp_prio
5950  *      Gets the fcp cmd priority value for the logged in port.
5951  *      Looks for a match of the port descriptors within
5952  *      each of the fcp prio config entries. If a match is found,
5953  *      the tag (priority) value is returned.
5954  *
5955  * Input:
5956  *      vha = scsi host structure pointer.
5957  *      fcport = port structure pointer.
5958  *
5959  * Return:
5960  *      non-zero (if found)
5961  *      -1 (if not found)
5962  *
5963  * Context:
5964  *      Kernel context
5965  */
5966 static int
5967 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5968 {
5969         int i, entries;
5970         uint8_t pid_match, wwn_match;
5971         int priority;
5972         uint32_t pid1, pid2;
5973         uint64_t wwn1, wwn2;
5974         struct qla_fcp_prio_entry *pri_entry;
5975         struct qla_hw_data *ha = vha->hw;
5976
5977         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5978                 return -1;
5979
5980         priority = -1;
5981         entries = ha->fcp_prio_cfg->num_entries;
5982         pri_entry = &ha->fcp_prio_cfg->entry[0];
5983
5984         for (i = 0; i < entries; i++) {
5985                 pid_match = wwn_match = 0;
5986
5987                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5988                         pri_entry++;
5989                         continue;
5990                 }
5991
5992                 /* check source pid for a match */
5993                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5994                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5995                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5996                         if (pid1 == INVALID_PORT_ID)
5997                                 pid_match++;
5998                         else if (pid1 == pid2)
5999                                 pid_match++;
6000                 }
6001
6002                 /* check destination pid for a match */
6003                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
6004                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
6005                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
6006                         if (pid1 == INVALID_PORT_ID)
6007                                 pid_match++;
6008                         else if (pid1 == pid2)
6009                                 pid_match++;
6010                 }
6011
6012                 /* check source WWN for a match */
6013                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6014                         wwn1 = wwn_to_u64(vha->port_name);
6015                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6016                         if (wwn2 == (uint64_t)-1)
6017                                 wwn_match++;
6018                         else if (wwn1 == wwn2)
6019                                 wwn_match++;
6020                 }
6021
6022                 /* check destination WWN for a match */
6023                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6024                         wwn1 = wwn_to_u64(fcport->port_name);
6025                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6026                         if (wwn2 == (uint64_t)-1)
6027                                 wwn_match++;
6028                         else if (wwn1 == wwn2)
6029                                 wwn_match++;
6030                 }
6031
6032                 if (pid_match == 2 || wwn_match == 2) {
6033                         /* Found a matching entry */
6034                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6035                                 priority = pri_entry->tag;
6036                         break;
6037                 }
6038
6039                 pri_entry++;
6040         }
6041
6042         return priority;
6043 }
6044
6045 /*
6046  * qla24xx_update_fcport_fcp_prio
6047  *      Activates fcp priority for the logged in fc port
6048  *
6049  * Input:
6050  *      vha = scsi host structure pointer.
6051  *      fcp = port structure pointer.
6052  *
6053  * Return:
6054  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6055  *
6056  * Context:
6057  *      Kernel context.
6058  */
6059 int
6060 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6061 {
6062         int ret;
6063         int priority;
6064         uint16_t mb[5];
6065
6066         if (fcport->port_type != FCT_TARGET ||
6067             fcport->loop_id == FC_NO_LOOP_ID)
6068                 return QLA_FUNCTION_FAILED;
6069
6070         priority = qla24xx_get_fcp_prio(vha, fcport);
6071         if (priority < 0)
6072                 return QLA_FUNCTION_FAILED;
6073
6074         if (IS_P3P_TYPE(vha->hw)) {
6075                 fcport->fcp_prio = priority & 0xf;
6076                 return QLA_SUCCESS;
6077         }
6078
6079         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6080         if (ret == QLA_SUCCESS) {
6081                 if (fcport->fcp_prio != priority)
6082                         ql_dbg(ql_dbg_user, vha, 0x709e,
6083                             "Updated FCP_CMND priority - value=%d loop_id=%d "
6084                             "port_id=%02x%02x%02x.\n", priority,
6085                             fcport->loop_id, fcport->d_id.b.domain,
6086                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6087                 fcport->fcp_prio = priority & 0xf;
6088         } else
6089                 ql_dbg(ql_dbg_user, vha, 0x704f,
6090                     "Unable to update FCP_CMND priority - ret=0x%x for "
6091                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6092                     fcport->d_id.b.domain, fcport->d_id.b.area,
6093                     fcport->d_id.b.al_pa);
6094         return  ret;
6095 }
6096
6097 /*
6098  * qla24xx_update_all_fcp_prio
6099  *      Activates fcp priority for all the logged in ports
6100  *
6101  * Input:
6102  *      ha = adapter block pointer.
6103  *
6104  * Return:
6105  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6106  *
6107  * Context:
6108  *      Kernel context.
6109  */
6110 int
6111 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6112 {
6113         int ret;
6114         fc_port_t *fcport;
6115
6116         ret = QLA_FUNCTION_FAILED;
6117         /* We need to set priority for all logged in ports */
6118         list_for_each_entry(fcport, &vha->vp_fcports, list)
6119                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6120
6121         return ret;
6122 }