Pileus Git - ~andy/linux/blob - 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                         } else {
1698                                 goto failed;
1699                         }
1700                 } else {
1701                         ql_log(ql_log_fatal, vha, 0x00cd,
1702                             "ISP Firmware failed checksum.\n");
1703                         goto failed;
1704                 }
1705         } else
1706                 goto failed;
1707
1708         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1709                 /* Enable proper parity. */
1710                 spin_lock_irqsave(&ha->hardware_lock, flags);
1711                 if (IS_QLA2300(ha))
1712                         /* SRAM parity */
1713                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1714                 else
1715                         /* SRAM, Instruction RAM and GP RAM parity */
1716                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1717                 RD_REG_WORD(&reg->hccr);
1718                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1719         }
1720
1721         if (IS_QLA83XX(ha))
1722                 goto skip_fac_check;
1723
1724         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1725                 uint32_t size;
1726
1727                 rval = qla81xx_fac_get_sector_size(vha, &size);
1728                 if (rval == QLA_SUCCESS) {
1729                         ha->flags.fac_supported = 1;
1730                         ha->fdt_block_size = size << 2;
1731                 } else {
1732                         ql_log(ql_log_warn, vha, 0x00ce,
1733                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1734                             ha->fw_major_version, ha->fw_minor_version,
1735                             ha->fw_subminor_version);
1736 skip_fac_check:
1737                         if (IS_QLA83XX(ha)) {
1738                                 ha->flags.fac_supported = 0;
1739                                 rval = QLA_SUCCESS;
1740                         }
1741                 }
1742         }
1743 failed:
1744         if (rval) {
1745                 ql_log(ql_log_fatal, vha, 0x00cf,
1746                     "Setup chip ****FAILED****.\n");
1747         }
1748
1749         return (rval);
1750 }
1751
1752 /**
1753  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1754  * @ha: HA context
1755  *
1756  * Beginning of request ring has initialization control block already built
1757  * by nvram config routine.
1758  *
1759  * Returns 0 on success.
1760  */
1761 void
1762 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1763 {
1764         uint16_t cnt;
1765         response_t *pkt;
1766
1767         rsp->ring_ptr = rsp->ring;
1768         rsp->ring_index    = 0;
1769         rsp->status_srb = NULL;
1770         pkt = rsp->ring_ptr;
1771         for (cnt = 0; cnt < rsp->length; cnt++) {
1772                 pkt->signature = RESPONSE_PROCESSED;
1773                 pkt++;
1774         }
1775 }
1776
1777 /**
1778  * qla2x00_update_fw_options() - Read and process firmware options.
1779  * @ha: HA context
1780  *
1781  * Returns 0 on success.
1782  */
1783 void
1784 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1785 {
1786         uint16_t swing, emphasis, tx_sens, rx_sens;
1787         struct qla_hw_data *ha = vha->hw;
1788
1789         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1790         qla2x00_get_fw_options(vha, ha->fw_options);
1791
1792         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1793                 return;
1794
1795         /* Serial Link options. */
1796         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1797             "Serial link options.\n");
1798         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1799             (uint8_t *)&ha->fw_seriallink_options,
1800             sizeof(ha->fw_seriallink_options));
1801
1802         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1803         if (ha->fw_seriallink_options[3] & BIT_2) {
1804                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1805
1806                 /*  1G settings */
1807                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1808                 emphasis = (ha->fw_seriallink_options[2] &
1809                     (BIT_4 | BIT_3)) >> 3;
1810                 tx_sens = ha->fw_seriallink_options[0] &
1811                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1812                 rx_sens = (ha->fw_seriallink_options[0] &
1813                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1814                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1815                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1816                         if (rx_sens == 0x0)
1817                                 rx_sens = 0x3;
1818                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1819                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1820                         ha->fw_options[10] |= BIT_5 |
1821                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1822                             (tx_sens & (BIT_1 | BIT_0));
1823
1824                 /*  2G settings */
1825                 swing = (ha->fw_seriallink_options[2] &
1826                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1827                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1828                 tx_sens = ha->fw_seriallink_options[1] &
1829                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1830                 rx_sens = (ha->fw_seriallink_options[1] &
1831                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1832                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1833                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1834                         if (rx_sens == 0x0)
1835                                 rx_sens = 0x3;
1836                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1837                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1838                         ha->fw_options[11] |= BIT_5 |
1839                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1840                             (tx_sens & (BIT_1 | BIT_0));
1841         }
1842
1843         /* FCP2 options. */
1844         /*  Return command IOCBs without waiting for an ABTS to complete. */
1845         ha->fw_options[3] |= BIT_13;
1846
1847         /* LED scheme. */
1848         if (ha->flags.enable_led_scheme)
1849                 ha->fw_options[2] |= BIT_12;
1850
1851         /* Detect ISP6312. */
1852         if (IS_QLA6312(ha))
1853                 ha->fw_options[2] |= BIT_13;
1854
1855         /* Update firmware options. */
1856         qla2x00_set_fw_options(vha, ha->fw_options);
1857 }
1858
1859 void
1860 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1861 {
1862         int rval;
1863         struct qla_hw_data *ha = vha->hw;
1864
1865         if (IS_P3P_TYPE(ha))
1866                 return;
1867
1868         /* Update Serial Link options. */
1869         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1870                 return;
1871
1872         rval = qla2x00_set_serdes_params(vha,
1873             le16_to_cpu(ha->fw_seriallink_options24[1]),
1874             le16_to_cpu(ha->fw_seriallink_options24[2]),
1875             le16_to_cpu(ha->fw_seriallink_options24[3]));
1876         if (rval != QLA_SUCCESS) {
1877                 ql_log(ql_log_warn, vha, 0x0104,
1878                     "Unable to update Serial Link options (%x).\n", rval);
1879         }
1880 }
1881
1882 void
1883 qla2x00_config_rings(struct scsi_qla_host *vha)
1884 {
1885         struct qla_hw_data *ha = vha->hw;
1886         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1887         struct req_que *req = ha->req_q_map[0];
1888         struct rsp_que *rsp = ha->rsp_q_map[0];
1889
1890         /* Setup ring parameters in initialization control block. */
1891         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1892         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1893         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1894         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1895         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1896         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1897         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1898         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1899
1900         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1901         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1902         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1903         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1904         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1905 }
1906
1907 void
1908 qla24xx_config_rings(struct scsi_qla_host *vha)
1909 {
1910         struct qla_hw_data *ha = vha->hw;
1911         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1912         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1913         struct qla_msix_entry *msix;
1914         struct init_cb_24xx *icb;
1915         uint16_t rid = 0;
1916         struct req_que *req = ha->req_q_map[0];
1917         struct rsp_que *rsp = ha->rsp_q_map[0];
1918
1919         /* Setup ring parameters in initialization control block. */
1920         icb = (struct init_cb_24xx *)ha->init_cb;
1921         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1922         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1923         icb->request_q_length = cpu_to_le16(req->length);
1924         icb->response_q_length = cpu_to_le16(rsp->length);
1925         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1926         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1927         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1928         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1929
1930         /* Setup ATIO queue dma pointers for target mode */
1931         icb->atio_q_inpointer = __constant_cpu_to_le16(0);
1932         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
1933         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
1934         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
1935
1936         if (ha->mqenable || IS_QLA83XX(ha)) {
1937                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1938                 icb->rid = __constant_cpu_to_le16(rid);
1939                 if (ha->flags.msix_enabled) {
1940                         msix = &ha->msix_entries[1];
1941                         ql_dbg(ql_dbg_init, vha, 0x00fd,
1942                             "Registering vector 0x%x for base que.\n",
1943                             msix->entry);
1944                         icb->msix = cpu_to_le16(msix->entry);
1945                 }
1946                 /* Use alternate PCI bus number */
1947                 if (MSB(rid))
1948                         icb->firmware_options_2 |=
1949                                 __constant_cpu_to_le32(BIT_19);
1950                 /* Use alternate PCI devfn */
1951                 if (LSB(rid))
1952                         icb->firmware_options_2 |=
1953                                 __constant_cpu_to_le32(BIT_18);
1954
1955                 /* Use Disable MSIX Handshake mode for capable adapters */
1956                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
1957                     (ha->flags.msix_enabled)) {
1958                         icb->firmware_options_2 &=
1959                                 __constant_cpu_to_le32(~BIT_22);
1960                         ha->flags.disable_msix_handshake = 1;
1961                         ql_dbg(ql_dbg_init, vha, 0x00fe,
1962                             "MSIX Handshake Disable Mode turned on.\n");
1963                 } else {
1964                         icb->firmware_options_2 |=
1965                                 __constant_cpu_to_le32(BIT_22);
1966                 }
1967                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1968
1969                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1970                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1971                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1972                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1973         } else {
1974                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1975                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1976                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1977                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1978         }
1979         qlt_24xx_config_rings(vha);
1980
1981         /* PCI posting */
1982         RD_REG_DWORD(&ioreg->hccr);
1983 }
1984
1985 /**
1986  * qla2x00_init_rings() - Initializes firmware.
1987  * @ha: HA context
1988  *
1989  * Beginning of request ring has initialization control block already built
1990  * by nvram config routine.
1991  *
1992  * Returns 0 on success.
1993  */
1994 int
1995 qla2x00_init_rings(scsi_qla_host_t *vha)
1996 {
1997         int     rval;
1998         unsigned long flags = 0;
1999         int cnt, que;
2000         struct qla_hw_data *ha = vha->hw;
2001         struct req_que *req;
2002         struct rsp_que *rsp;
2003         struct mid_init_cb_24xx *mid_init_cb =
2004             (struct mid_init_cb_24xx *) ha->init_cb;
2005
2006         spin_lock_irqsave(&ha->hardware_lock, flags);
2007
2008         /* Clear outstanding commands array. */
2009         for (que = 0; que < ha->max_req_queues; que++) {
2010                 req = ha->req_q_map[que];
2011                 if (!req)
2012                         continue;
2013                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2014                         req->outstanding_cmds[cnt] = NULL;
2015
2016                 req->current_outstanding_cmd = 1;
2017
2018                 /* Initialize firmware. */
2019                 req->ring_ptr  = req->ring;
2020                 req->ring_index    = 0;
2021                 req->cnt      = req->length;
2022         }
2023
2024         for (que = 0; que < ha->max_rsp_queues; que++) {
2025                 rsp = ha->rsp_q_map[que];
2026                 if (!rsp)
2027                         continue;
2028                 /* Initialize response queue entries */
2029                 if (IS_QLAFX00(ha))
2030                         qlafx00_init_response_q_entries(rsp);
2031                 else
2032                         qla2x00_init_response_q_entries(rsp);
2033         }
2034
2035         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2036         ha->tgt.atio_ring_index = 0;
2037         /* Initialize ATIO queue entries */
2038         qlt_init_atio_q_entries(vha);
2039
2040         ha->isp_ops->config_rings(vha);
2041
2042         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2043
2044         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2045
2046         if (IS_QLAFX00(ha)) {
2047                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
2048                 goto next_check;
2049         }
2050
2051         /* Update any ISP specific firmware options before initialization. */
2052         ha->isp_ops->update_fw_options(vha);
2053
2054         if (ha->flags.npiv_supported) {
2055                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2056                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2057                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2058         }
2059
2060         if (IS_FWI2_CAPABLE(ha)) {
2061                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2062                 mid_init_cb->init_cb.execution_throttle =
2063                     cpu_to_le16(ha->fw_xcb_count);
2064         }
2065
2066         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2067 next_check:
2068         if (rval) {
2069                 ql_log(ql_log_fatal, vha, 0x00d2,
2070                     "Init Firmware **** FAILED ****.\n");
2071         } else {
2072                 ql_dbg(ql_dbg_init, vha, 0x00d3,
2073                     "Init Firmware -- success.\n");
2074         }
2075
2076         return (rval);
2077 }
2078
2079 /**
2080  * qla2x00_fw_ready() - Waits for firmware ready.
2081  * @ha: HA context
2082  *
2083  * Returns 0 on success.
2084  */
2085 static int
2086 qla2x00_fw_ready(scsi_qla_host_t *vha)
2087 {
2088         int             rval;
2089         unsigned long   wtime, mtime, cs84xx_time;
2090         uint16_t        min_wait;       /* Minimum wait time if loop is down */
2091         uint16_t        wait_time;      /* Wait time if loop is coming ready */
2092         uint16_t        state[5];
2093         struct qla_hw_data *ha = vha->hw;
2094
2095         if (IS_QLAFX00(vha->hw))
2096                 return qlafx00_fw_ready(vha);
2097
2098         rval = QLA_SUCCESS;
2099
2100         /* 20 seconds for loop down. */
2101         min_wait = 20;
2102
2103         /*
2104          * Firmware should take at most one RATOV to login, plus 5 seconds for
2105          * our own processing.
2106          */
2107         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2108                 wait_time = min_wait;
2109         }
2110
2111         /* Min wait time if loop down */
2112         mtime = jiffies + (min_wait * HZ);
2113
2114         /* wait time before firmware ready */
2115         wtime = jiffies + (wait_time * HZ);
2116
2117         /* Wait for ISP to finish LIP */
2118         if (!vha->flags.init_done)
2119                 ql_log(ql_log_info, vha, 0x801e,
2120                     "Waiting for LIP to complete.\n");
2121
2122         do {
2123                 memset(state, -1, sizeof(state));
2124                 rval = qla2x00_get_firmware_state(vha, state);
2125                 if (rval == QLA_SUCCESS) {
2126                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
2127                                 vha->device_flags &= ~DFLG_NO_CABLE;
2128                         }
2129                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2130                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
2131                                     "fw_state=%x 84xx=%x.\n", state[0],
2132                                     state[2]);
2133                                 if ((state[2] & FSTATE_LOGGED_IN) &&
2134                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2135                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
2136                                             "Sending verify iocb.\n");
2137
2138                                         cs84xx_time = jiffies;
2139                                         rval = qla84xx_init_chip(vha);
2140                                         if (rval != QLA_SUCCESS) {
2141                                                 ql_log(ql_log_warn,
2142                                                     vha, 0x8007,
2143                                                     "Init chip failed.\n");
2144                                                 break;
2145                                         }
2146
2147                                         /* Add time taken to initialize. */
2148                                         cs84xx_time = jiffies - cs84xx_time;
2149                                         wtime += cs84xx_time;
2150                                         mtime += cs84xx_time;
2151                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
2152                                             "Increasing wait time by %ld. "
2153                                             "New time %ld.\n", cs84xx_time,
2154                                             wtime);
2155                                 }
2156                         } else if (state[0] == FSTATE_READY) {
2157                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2158                                     "F/W Ready - OK.\n");
2159
2160                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2161                                     &ha->login_timeout, &ha->r_a_tov);
2162
2163                                 rval = QLA_SUCCESS;
2164                                 break;
2165                         }
2166
2167                         rval = QLA_FUNCTION_FAILED;
2168
2169                         if (atomic_read(&vha->loop_down_timer) &&
2170                             state[0] != FSTATE_READY) {
2171                                 /* Loop down. Timeout on min_wait for states
2172                                  * other than Wait for Login.
2173                                  */
2174                                 if (time_after_eq(jiffies, mtime)) {
2175                                         ql_log(ql_log_info, vha, 0x8038,
2176                                             "Cable is unplugged...\n");
2177
2178                                         vha->device_flags |= DFLG_NO_CABLE;
2179                                         break;
2180                                 }
2181                         }
2182                 } else {
2183                         /* Mailbox cmd failed. Timeout on min_wait. */
2184                         if (time_after_eq(jiffies, mtime) ||
2185                                 ha->flags.isp82xx_fw_hung)
2186                                 break;
2187                 }
2188
2189                 if (time_after_eq(jiffies, wtime))
2190                         break;
2191
2192                 /* Delay for a while */
2193                 msleep(500);
2194         } while (1);
2195
2196         ql_dbg(ql_dbg_taskm, vha, 0x803a,
2197             "fw_state=%x (%x, %x, %x, %x) " "curr time=%lx.\n", state[0],
2198             state[1], state[2], state[3], state[4], jiffies);
2199
2200         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2201                 ql_log(ql_log_warn, vha, 0x803b,
2202                     "Firmware ready **** FAILED ****.\n");
2203         }
2204
2205         return (rval);
2206 }
2207
2208 /*
2209 *  qla2x00_configure_hba
2210 *      Setup adapter context.
2211 *
2212 * Input:
2213 *      ha = adapter state pointer.
2214 *
2215 * Returns:
2216 *      0 = success
2217 *
2218 * Context:
2219 *      Kernel context.
2220 */
2221 static int
2222 qla2x00_configure_hba(scsi_qla_host_t *vha)
2223 {
2224         int       rval;
2225         uint16_t      loop_id;
2226         uint16_t      topo;
2227         uint16_t      sw_cap;
2228         uint8_t       al_pa;
2229         uint8_t       area;
2230         uint8_t       domain;
2231         char            connect_type[22];
2232         struct qla_hw_data *ha = vha->hw;
2233         unsigned long flags;
2234         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2235
2236         /* Get host addresses. */
2237         rval = qla2x00_get_adapter_id(vha,
2238             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2239         if (rval != QLA_SUCCESS) {
2240                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2241                     IS_CNA_CAPABLE(ha) ||
2242                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2243                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2244                             "Loop is in a transition state.\n");
2245                 } else {
2246                         ql_log(ql_log_warn, vha, 0x2009,
2247                             "Unable to get host loop ID.\n");
2248                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2249                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2250                                 ql_log(ql_log_warn, vha, 0x1151,
2251                                     "Doing link init.\n");
2252                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2253                                         return rval;
2254                         }
2255                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2256                 }
2257                 return (rval);
2258         }
2259
2260         if (topo == 4) {
2261                 ql_log(ql_log_info, vha, 0x200a,
2262                     "Cannot get topology - retrying.\n");
2263                 return (QLA_FUNCTION_FAILED);
2264         }
2265
2266         vha->loop_id = loop_id;
2267
2268         /* initialize */
2269         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2270         ha->operating_mode = LOOP;
2271         ha->switch_cap = 0;
2272
2273         switch (topo) {
2274         case 0:
2275                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2276                 ha->current_topology = ISP_CFG_NL;
2277                 strcpy(connect_type, "(Loop)");
2278                 break;
2279
2280         case 1:
2281                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2282                 ha->switch_cap = sw_cap;
2283                 ha->current_topology = ISP_CFG_FL;
2284                 strcpy(connect_type, "(FL_Port)");
2285                 break;
2286
2287         case 2:
2288                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2289                 ha->operating_mode = P2P;
2290                 ha->current_topology = ISP_CFG_N;
2291                 strcpy(connect_type, "(N_Port-to-N_Port)");
2292                 break;
2293
2294         case 3:
2295                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2296                 ha->switch_cap = sw_cap;
2297                 ha->operating_mode = P2P;
2298                 ha->current_topology = ISP_CFG_F;
2299                 strcpy(connect_type, "(F_Port)");
2300                 break;
2301
2302         default:
2303                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2304                     "HBA in unknown topology %x, using NL.\n", topo);
2305                 ha->current_topology = ISP_CFG_NL;
2306                 strcpy(connect_type, "(Loop)");
2307                 break;
2308         }
2309
2310         /* Save Host port and loop ID. */
2311         /* byte order - Big Endian */
2312         vha->d_id.b.domain = domain;
2313         vha->d_id.b.area = area;
2314         vha->d_id.b.al_pa = al_pa;
2315
2316         spin_lock_irqsave(&ha->vport_slock, flags);
2317         qlt_update_vp_map(vha, SET_AL_PA);
2318         spin_unlock_irqrestore(&ha->vport_slock, flags);
2319
2320         if (!vha->flags.init_done)
2321                 ql_log(ql_log_info, vha, 0x2010,
2322                     "Topology - %s, Host Loop address 0x%x.\n",
2323                     connect_type, vha->loop_id);
2324
2325         return(rval);
2326 }
2327
2328 inline void
2329 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2330         char *def)
2331 {
2332         char *st, *en;
2333         uint16_t index;
2334         struct qla_hw_data *ha = vha->hw;
2335         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2336             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2337
2338         if (memcmp(model, BINZERO, len) != 0) {
2339                 strncpy(ha->model_number, model, len);
2340                 st = en = ha->model_number;
2341                 en += len - 1;
2342                 while (en > st) {
2343                         if (*en != 0x20 && *en != 0x00)
2344                                 break;
2345                         *en-- = '\0';
2346                 }
2347
2348                 index = (ha->pdev->subsystem_device & 0xff);
2349                 if (use_tbl &&
2350                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2351                     index < QLA_MODEL_NAMES)
2352                         strncpy(ha->model_desc,
2353                             qla2x00_model_name[index * 2 + 1],
2354                             sizeof(ha->model_desc) - 1);
2355         } else {
2356                 index = (ha->pdev->subsystem_device & 0xff);
2357                 if (use_tbl &&
2358                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2359                     index < QLA_MODEL_NAMES) {
2360                         strcpy(ha->model_number,
2361                             qla2x00_model_name[index * 2]);
2362                         strncpy(ha->model_desc,
2363                             qla2x00_model_name[index * 2 + 1],
2364                             sizeof(ha->model_desc) - 1);
2365                 } else {
2366                         strcpy(ha->model_number, def);
2367                 }
2368         }
2369         if (IS_FWI2_CAPABLE(ha))
2370                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2371                     sizeof(ha->model_desc));
2372 }
2373
2374 /* On sparc systems, obtain port and node WWN from firmware
2375  * properties.
2376  */
2377 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2378 {
2379 #ifdef CONFIG_SPARC
2380         struct qla_hw_data *ha = vha->hw;
2381         struct pci_dev *pdev = ha->pdev;
2382         struct device_node *dp = pci_device_to_OF_node(pdev);
2383         const u8 *val;
2384         int len;
2385
2386         val = of_get_property(dp, "port-wwn", &len);
2387         if (val && len >= WWN_SIZE)
2388                 memcpy(nv->port_name, val, WWN_SIZE);
2389
2390         val = of_get_property(dp, "node-wwn", &len);
2391         if (val && len >= WWN_SIZE)
2392                 memcpy(nv->node_name, val, WWN_SIZE);
2393 #endif
2394 }
2395
2396 /*
2397 * NVRAM configuration for ISP 2xxx
2398 *
2399 * Input:
2400 *      ha                = adapter block pointer.
2401 *
2402 * Output:
2403 *      initialization control block in response_ring
2404 *      host adapters parameters in host adapter block
2405 *
2406 * Returns:
2407 *      0 = success.
2408 */
2409 int
2410 qla2x00_nvram_config(scsi_qla_host_t *vha)
2411 {
2412         int             rval;
2413         uint8_t         chksum = 0;
2414         uint16_t        cnt;
2415         uint8_t         *dptr1, *dptr2;
2416         struct qla_hw_data *ha = vha->hw;
2417         init_cb_t       *icb = ha->init_cb;
2418         nvram_t         *nv = ha->nvram;
2419         uint8_t         *ptr = ha->nvram;
2420         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2421
2422         rval = QLA_SUCCESS;
2423
2424         /* Determine NVRAM starting address. */
2425         ha->nvram_size = sizeof(nvram_t);
2426         ha->nvram_base = 0;
2427         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2428                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2429                         ha->nvram_base = 0x80;
2430
2431         /* Get NVRAM data and calculate checksum. */
2432         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2433         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2434                 chksum += *ptr++;
2435
2436         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2437             "Contents of NVRAM.\n");
2438         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2439             (uint8_t *)nv, ha->nvram_size);
2440
2441         /* Bad NVRAM data, set defaults parameters. */
2442         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2443             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2444                 /* Reset NVRAM data. */
2445                 ql_log(ql_log_warn, vha, 0x0064,
2446                     "Inconsistent NVRAM "
2447                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2448                     chksum, nv->id[0], nv->nvram_version);
2449                 ql_log(ql_log_warn, vha, 0x0065,
2450                     "Falling back to "
2451                     "functioning (yet invalid -- WWPN) defaults.\n");
2452
2453                 /*
2454                  * Set default initialization control block.
2455                  */
2456                 memset(nv, 0, ha->nvram_size);
2457                 nv->parameter_block_version = ICB_VERSION;
2458
2459                 if (IS_QLA23XX(ha)) {
2460                         nv->firmware_options[0] = BIT_2 | BIT_1;
2461                         nv->firmware_options[1] = BIT_7 | BIT_5;
2462                         nv->add_firmware_options[0] = BIT_5;
2463                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2464                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2465                         nv->special_options[1] = BIT_7;
2466                 } else if (IS_QLA2200(ha)) {
2467                         nv->firmware_options[0] = BIT_2 | BIT_1;
2468                         nv->firmware_options[1] = BIT_7 | BIT_5;
2469                         nv->add_firmware_options[0] = BIT_5;
2470                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2471                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2472                 } else if (IS_QLA2100(ha)) {
2473                         nv->firmware_options[0] = BIT_3 | BIT_1;
2474                         nv->firmware_options[1] = BIT_5;
2475                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2476                 }
2477
2478                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2479                 nv->execution_throttle = __constant_cpu_to_le16(16);
2480                 nv->retry_count = 8;
2481                 nv->retry_delay = 1;
2482
2483                 nv->port_name[0] = 33;
2484                 nv->port_name[3] = 224;
2485                 nv->port_name[4] = 139;
2486
2487                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2488
2489                 nv->login_timeout = 4;
2490
2491                 /*
2492                  * Set default host adapter parameters
2493                  */
2494                 nv->host_p[1] = BIT_2;
2495                 nv->reset_delay = 5;
2496                 nv->port_down_retry_count = 8;
2497                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2498                 nv->link_down_timeout = 60;
2499
2500                 rval = 1;
2501         }
2502
2503 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2504         /*
2505          * The SN2 does not provide BIOS emulation which means you can't change
2506          * potentially bogus BIOS settings. Force the use of default settings
2507          * for link rate and frame size.  Hope that the rest of the settings
2508          * are valid.
2509          */
2510         if (ia64_platform_is("sn2")) {
2511                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2512                 if (IS_QLA23XX(ha))
2513                         nv->special_options[1] = BIT_7;
2514         }
2515 #endif
2516
2517         /* Reset Initialization control block */
2518         memset(icb, 0, ha->init_cb_size);
2519
2520         /*
2521          * Setup driver NVRAM options.
2522          */
2523         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2524         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2525         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2526         nv->firmware_options[1] &= ~BIT_4;
2527
2528         if (IS_QLA23XX(ha)) {
2529                 nv->firmware_options[0] |= BIT_2;
2530                 nv->firmware_options[0] &= ~BIT_3;
2531                 nv->special_options[0] &= ~BIT_6;
2532                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2533
2534                 if (IS_QLA2300(ha)) {
2535                         if (ha->fb_rev == FPM_2310) {
2536                                 strcpy(ha->model_number, "QLA2310");
2537                         } else {
2538                                 strcpy(ha->model_number, "QLA2300");
2539                         }
2540                 } else {
2541                         qla2x00_set_model_info(vha, nv->model_number,
2542                             sizeof(nv->model_number), "QLA23xx");
2543                 }
2544         } else if (IS_QLA2200(ha)) {
2545                 nv->firmware_options[0] |= BIT_2;
2546                 /*
2547                  * 'Point-to-point preferred, else loop' is not a safe
2548                  * connection mode setting.
2549                  */
2550                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2551                     (BIT_5 | BIT_4)) {
2552                         /* Force 'loop preferred, else point-to-point'. */
2553                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2554                         nv->add_firmware_options[0] |= BIT_5;
2555                 }
2556                 strcpy(ha->model_number, "QLA22xx");
2557         } else /*if (IS_QLA2100(ha))*/ {
2558                 strcpy(ha->model_number, "QLA2100");
2559         }
2560
2561         /*
2562          * Copy over NVRAM RISC parameter block to initialization control block.
2563          */
2564         dptr1 = (uint8_t *)icb;
2565         dptr2 = (uint8_t *)&nv->parameter_block_version;
2566         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2567         while (cnt--)
2568                 *dptr1++ = *dptr2++;
2569
2570         /* Copy 2nd half. */
2571         dptr1 = (uint8_t *)icb->add_firmware_options;
2572         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2573         while (cnt--)
2574                 *dptr1++ = *dptr2++;
2575
2576         /* Use alternate WWN? */
2577         if (nv->host_p[1] & BIT_7) {
2578                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2579                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2580         }
2581
2582         /* Prepare nodename */
2583         if ((icb->firmware_options[1] & BIT_6) == 0) {
2584                 /*
2585                  * Firmware will apply the following mask if the nodename was
2586                  * not provided.
2587                  */
2588                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2589                 icb->node_name[0] &= 0xF0;
2590         }
2591
2592         /*
2593          * Set host adapter parameters.
2594          */
2595
2596         /*
2597          * BIT_7 in the host-parameters section allows for modification to
2598          * internal driver logging.
2599          */
2600         if (nv->host_p[0] & BIT_7)
2601                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2602         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2603         /* Always load RISC code on non ISP2[12]00 chips. */
2604         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2605                 ha->flags.disable_risc_code_load = 0;
2606         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2607         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2608         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2609         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2610         ha->flags.disable_serdes = 0;
2611
2612         ha->operating_mode =
2613             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2614
2615         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2616             sizeof(ha->fw_seriallink_options));
2617
2618         /* save HBA serial number */
2619         ha->serial0 = icb->port_name[5];
2620         ha->serial1 = icb->port_name[6];
2621         ha->serial2 = icb->port_name[7];
2622         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2623         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2624
2625         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2626
2627         ha->retry_count = nv->retry_count;
2628
2629         /* Set minimum login_timeout to 4 seconds. */
2630         if (nv->login_timeout != ql2xlogintimeout)
2631                 nv->login_timeout = ql2xlogintimeout;
2632         if (nv->login_timeout < 4)
2633                 nv->login_timeout = 4;
2634         ha->login_timeout = nv->login_timeout;
2635         icb->login_timeout = nv->login_timeout;
2636
2637         /* Set minimum RATOV to 100 tenths of a second. */
2638         ha->r_a_tov = 100;
2639
2640         ha->loop_reset_delay = nv->reset_delay;
2641
2642         /* Link Down Timeout = 0:
2643          *
2644          *      When Port Down timer expires we will start returning
2645          *      I/O's to OS with "DID_NO_CONNECT".
2646          *
2647          * Link Down Timeout != 0:
2648          *
2649          *       The driver waits for the link to come up after link down
2650          *       before returning I/Os to OS with "DID_NO_CONNECT".
2651          */
2652         if (nv->link_down_timeout == 0) {
2653                 ha->loop_down_abort_time =
2654                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2655         } else {
2656                 ha->link_down_timeout =  nv->link_down_timeout;
2657                 ha->loop_down_abort_time =
2658                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2659         }
2660
2661         /*
2662          * Need enough time to try and get the port back.
2663          */
2664         ha->port_down_retry_count = nv->port_down_retry_count;
2665         if (qlport_down_retry)
2666                 ha->port_down_retry_count = qlport_down_retry;
2667         /* Set login_retry_count */
2668         ha->login_retry_count  = nv->retry_count;
2669         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2670             ha->port_down_retry_count > 3)
2671                 ha->login_retry_count = ha->port_down_retry_count;
2672         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2673                 ha->login_retry_count = ha->port_down_retry_count;
2674         if (ql2xloginretrycount)
2675                 ha->login_retry_count = ql2xloginretrycount;
2676
2677         icb->lun_enables = __constant_cpu_to_le16(0);
2678         icb->command_resource_count = 0;
2679         icb->immediate_notify_resource_count = 0;
2680         icb->timeout = __constant_cpu_to_le16(0);
2681
2682         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2683                 /* Enable RIO */
2684                 icb->firmware_options[0] &= ~BIT_3;
2685                 icb->add_firmware_options[0] &=
2686                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2687                 icb->add_firmware_options[0] |= BIT_2;
2688                 icb->response_accumulation_timer = 3;
2689                 icb->interrupt_delay_timer = 5;
2690
2691                 vha->flags.process_response_queue = 1;
2692         } else {
2693                 /* Enable ZIO. */
2694                 if (!vha->flags.init_done) {
2695                         ha->zio_mode = icb->add_firmware_options[0] &
2696                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2697                         ha->zio_timer = icb->interrupt_delay_timer ?
2698                             icb->interrupt_delay_timer: 2;
2699                 }
2700                 icb->add_firmware_options[0] &=
2701                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2702                 vha->flags.process_response_queue = 0;
2703                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2704                         ha->zio_mode = QLA_ZIO_MODE_6;
2705
2706                         ql_log(ql_log_info, vha, 0x0068,
2707                             "ZIO mode %d enabled; timer delay (%d us).\n",
2708                             ha->zio_mode, ha->zio_timer * 100);
2709
2710                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2711                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2712                         vha->flags.process_response_queue = 1;
2713                 }
2714         }
2715
2716         if (rval) {
2717                 ql_log(ql_log_warn, vha, 0x0069,
2718                     "NVRAM configuration failed.\n");
2719         }
2720         return (rval);
2721 }
2722
2723 static void
2724 qla2x00_rport_del(void *data)
2725 {
2726         fc_port_t *fcport = data;
2727         struct fc_rport *rport;
2728         scsi_qla_host_t *vha = fcport->vha;
2729         unsigned long flags;
2730
2731         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2732         rport = fcport->drport ? fcport->drport: fcport->rport;
2733         fcport->drport = NULL;
2734         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2735         if (rport) {
2736                 fc_remote_port_delete(rport);
2737                 /*
2738                  * Release the target mode FC NEXUS in qla_target.c code
2739                  * if target mod is enabled.
2740                  */
2741                 qlt_fc_port_deleted(vha, fcport);
2742         }
2743 }
2744
2745 /**
2746  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2747  * @ha: HA context
2748  * @flags: allocation flags
2749  *
2750  * Returns a pointer to the allocated fcport, or NULL, if none available.
2751  */
2752 fc_port_t *
2753 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2754 {
2755         fc_port_t *fcport;
2756
2757         fcport = kzalloc(sizeof(fc_port_t), flags);
2758         if (!fcport)
2759                 return NULL;
2760
2761         /* Setup fcport template structure. */
2762         fcport->vha = vha;
2763         fcport->port_type = FCT_UNKNOWN;
2764         fcport->loop_id = FC_NO_LOOP_ID;
2765         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2766         fcport->supported_classes = FC_COS_UNSPECIFIED;
2767
2768         return fcport;
2769 }
2770
2771 /*
2772  * qla2x00_configure_loop
2773  *      Updates Fibre Channel Device Database with what is actually on loop.
2774  *
2775  * Input:
2776  *      ha                = adapter block pointer.
2777  *
2778  * Returns:
2779  *      0 = success.
2780  *      1 = error.
2781  *      2 = database was full and device was not configured.
2782  */
2783 static int
2784 qla2x00_configure_loop(scsi_qla_host_t *vha)
2785 {
2786         int  rval;
2787         unsigned long flags, save_flags;
2788         struct qla_hw_data *ha = vha->hw;
2789         rval = QLA_SUCCESS;
2790
2791         /* Get Initiator ID */
2792         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2793                 rval = qla2x00_configure_hba(vha);
2794                 if (rval != QLA_SUCCESS) {
2795                         ql_dbg(ql_dbg_disc, vha, 0x2013,
2796                             "Unable to configure HBA.\n");
2797                         return (rval);
2798                 }
2799         }
2800
2801         save_flags = flags = vha->dpc_flags;
2802         ql_dbg(ql_dbg_disc, vha, 0x2014,
2803             "Configure loop -- dpc flags = 0x%lx.\n", flags);
2804
2805         /*
2806          * If we have both an RSCN and PORT UPDATE pending then handle them
2807          * both at the same time.
2808          */
2809         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2810         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2811
2812         qla2x00_get_data_rate(vha);
2813
2814         /* Determine what we need to do */
2815         if (ha->current_topology == ISP_CFG_FL &&
2816             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2817
2818                 set_bit(RSCN_UPDATE, &flags);
2819
2820         } else if (ha->current_topology == ISP_CFG_F &&
2821             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2822
2823                 set_bit(RSCN_UPDATE, &flags);
2824                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2825
2826         } else if (ha->current_topology == ISP_CFG_N) {
2827                 clear_bit(RSCN_UPDATE, &flags);
2828
2829         } else if (!vha->flags.online ||
2830             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2831
2832                 set_bit(RSCN_UPDATE, &flags);
2833                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2834         }
2835
2836         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2837                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2838                         ql_dbg(ql_dbg_disc, vha, 0x2015,
2839                             "Loop resync needed, failing.\n");
2840                         rval = QLA_FUNCTION_FAILED;
2841                 } else
2842                         rval = qla2x00_configure_local_loop(vha);
2843         }
2844
2845         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2846                 if (LOOP_TRANSITION(vha)) {
2847                         ql_dbg(ql_dbg_disc, vha, 0x201e,
2848                             "Needs RSCN update and loop transition.\n");
2849                         rval = QLA_FUNCTION_FAILED;
2850                 }
2851                 else
2852                         rval = qla2x00_configure_fabric(vha);
2853         }
2854
2855         if (rval == QLA_SUCCESS) {
2856                 if (atomic_read(&vha->loop_down_timer) ||
2857                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2858                         rval = QLA_FUNCTION_FAILED;
2859                 } else {
2860                         atomic_set(&vha->loop_state, LOOP_READY);
2861                         ql_dbg(ql_dbg_disc, vha, 0x2069,
2862                             "LOOP READY.\n");
2863                 }
2864         }
2865
2866         if (rval) {
2867                 ql_dbg(ql_dbg_disc, vha, 0x206a,
2868                     "%s *** FAILED ***.\n", __func__);
2869         } else {
2870                 ql_dbg(ql_dbg_disc, vha, 0x206b,
2871                     "%s: exiting normally.\n", __func__);
2872         }
2873
2874         /* Restore state if a resync event occurred during processing */
2875         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2876                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2877                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2878                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2879                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2880                 }
2881         }
2882
2883         return (rval);
2884 }
2885
2886
2887
2888 /*
2889  * qla2x00_configure_local_loop
2890  *      Updates Fibre Channel Device Database with local loop devices.
2891  *
2892  * Input:
2893  *      ha = adapter block pointer.
2894  *
2895  * Returns:
2896  *      0 = success.
2897  */
2898 static int
2899 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2900 {
2901         int             rval, rval2;
2902         int             found_devs;
2903         int             found;
2904         fc_port_t       *fcport, *new_fcport;
2905
2906         uint16_t        index;
2907         uint16_t        entries;
2908         char            *id_iter;
2909         uint16_t        loop_id;
2910         uint8_t         domain, area, al_pa;
2911         struct qla_hw_data *ha = vha->hw;
2912
2913         found_devs = 0;
2914         new_fcport = NULL;
2915         entries = MAX_FIBRE_DEVICES_LOOP;
2916
2917         /* Get list of logged in devices. */
2918         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
2919         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2920             &entries);
2921         if (rval != QLA_SUCCESS)
2922                 goto cleanup_allocation;
2923
2924         ql_dbg(ql_dbg_disc, vha, 0x2017,
2925             "Entries in ID list (%d).\n", entries);
2926         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
2927             (uint8_t *)ha->gid_list,
2928             entries * sizeof(struct gid_list_info));
2929
2930         /* Allocate temporary fcport for any new fcports discovered. */
2931         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2932         if (new_fcport == NULL) {
2933                 ql_log(ql_log_warn, vha, 0x2018,
2934                     "Memory allocation failed for fcport.\n");
2935                 rval = QLA_MEMORY_ALLOC_FAILED;
2936                 goto cleanup_allocation;
2937         }
2938         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2939
2940         /*
2941          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2942          */
2943         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2944                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2945                     fcport->port_type != FCT_BROADCAST &&
2946                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2947
2948                         ql_dbg(ql_dbg_disc, vha, 0x2019,
2949                             "Marking port lost loop_id=0x%04x.\n",
2950                             fcport->loop_id);
2951
2952                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2953                 }
2954         }
2955
2956         /* Add devices to port list. */
2957         id_iter = (char *)ha->gid_list;
2958         for (index = 0; index < entries; index++) {
2959                 domain = ((struct gid_list_info *)id_iter)->domain;
2960                 area = ((struct gid_list_info *)id_iter)->area;
2961                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2962                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2963                         loop_id = (uint16_t)
2964                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2965                 else
2966                         loop_id = le16_to_cpu(
2967                             ((struct gid_list_info *)id_iter)->loop_id);
2968                 id_iter += ha->gid_list_info_size;
2969
2970                 /* Bypass reserved domain fields. */
2971                 if ((domain & 0xf0) == 0xf0)
2972                         continue;
2973
2974                 /* Bypass if not same domain and area of adapter. */
2975                 if (area && domain &&
2976                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2977                         continue;
2978
2979                 /* Bypass invalid local loop ID. */
2980                 if (loop_id > LAST_LOCAL_LOOP_ID)
2981                         continue;
2982
2983                 memset(new_fcport, 0, sizeof(fc_port_t));
2984
2985                 /* Fill in member data. */
2986                 new_fcport->d_id.b.domain = domain;
2987                 new_fcport->d_id.b.area = area;
2988                 new_fcport->d_id.b.al_pa = al_pa;
2989                 new_fcport->loop_id = loop_id;
2990                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2991                 if (rval2 != QLA_SUCCESS) {
2992                         ql_dbg(ql_dbg_disc, vha, 0x201a,
2993                             "Failed to retrieve fcport information "
2994                             "-- get_port_database=%x, loop_id=0x%04x.\n",
2995                             rval2, new_fcport->loop_id);
2996                         ql_dbg(ql_dbg_disc, vha, 0x201b,
2997                             "Scheduling resync.\n");
2998                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2999                         continue;
3000                 }
3001
3002                 /* Check for matching device in port list. */
3003                 found = 0;
3004                 fcport = NULL;
3005                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3006                         if (memcmp(new_fcport->port_name, fcport->port_name,
3007                             WWN_SIZE))
3008                                 continue;
3009
3010                         fcport->flags &= ~FCF_FABRIC_DEVICE;
3011                         fcport->loop_id = new_fcport->loop_id;
3012                         fcport->port_type = new_fcport->port_type;
3013                         fcport->d_id.b24 = new_fcport->d_id.b24;
3014                         memcpy(fcport->node_name, new_fcport->node_name,
3015                             WWN_SIZE);
3016
3017                         found++;
3018                         break;
3019                 }
3020
3021                 if (!found) {
3022                         /* New device, add to fcports list. */
3023                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
3024
3025                         /* Allocate a new replacement fcport. */
3026                         fcport = new_fcport;
3027                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3028                         if (new_fcport == NULL) {
3029                                 ql_log(ql_log_warn, vha, 0x201c,
3030                                     "Failed to allocate memory for fcport.\n");
3031                                 rval = QLA_MEMORY_ALLOC_FAILED;
3032                                 goto cleanup_allocation;
3033                         }
3034                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3035                 }
3036
3037                 /* Base iIDMA settings on HBA port speed. */
3038                 fcport->fp_speed = ha->link_data_rate;
3039
3040                 qla2x00_update_fcport(vha, fcport);
3041
3042                 found_devs++;
3043         }
3044
3045 cleanup_allocation:
3046         kfree(new_fcport);
3047
3048         if (rval != QLA_SUCCESS) {
3049                 ql_dbg(ql_dbg_disc, vha, 0x201d,
3050                     "Configure local loop error exit: rval=%x.\n", rval);
3051         }
3052
3053         return (rval);
3054 }
3055
3056 static void
3057 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3058 {
3059         int rval;
3060         uint16_t mb[4];
3061         struct qla_hw_data *ha = vha->hw;
3062
3063         if (!IS_IIDMA_CAPABLE(ha))
3064                 return;
3065
3066         if (atomic_read(&fcport->state) != FCS_ONLINE)
3067                 return;
3068
3069         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3070             fcport->fp_speed > ha->link_data_rate)
3071                 return;
3072
3073         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3074             mb);
3075         if (rval != QLA_SUCCESS) {
3076                 ql_dbg(ql_dbg_disc, vha, 0x2004,
3077                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
3078                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
3079         } else {
3080                 ql_dbg(ql_dbg_disc, vha, 0x2005,
3081                     "iIDMA adjusted to %s GB/s on %8phN.\n",
3082                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3083                     fcport->port_name);
3084         }
3085 }
3086
3087 static void
3088 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3089 {
3090         struct fc_rport_identifiers rport_ids;
3091         struct fc_rport *rport;
3092         unsigned long flags;
3093
3094         qla2x00_rport_del(fcport);
3095
3096         rport_ids.node_name = wwn_to_u64(fcport->node_name);
3097         rport_ids.port_name = wwn_to_u64(fcport->port_name);
3098         rport_ids.port_id = fcport->d_id.b.domain << 16 |
3099             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3100         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3101         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3102         if (!rport) {
3103                 ql_log(ql_log_warn, vha, 0x2006,
3104                     "Unable to allocate fc remote port.\n");
3105                 return;
3106         }
3107         /*
3108          * Create target mode FC NEXUS in qla_target.c if target mode is
3109          * enabled..
3110          */
3111         qlt_fc_port_added(vha, fcport);
3112
3113         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3114         *((fc_port_t **)rport->dd_data) = fcport;
3115         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3116
3117         rport->supported_classes = fcport->supported_classes;
3118
3119         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3120         if (fcport->port_type == FCT_INITIATOR)
3121                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3122         if (fcport->port_type == FCT_TARGET)
3123                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3124         fc_remote_port_rolechg(rport, rport_ids.roles);
3125 }
3126
3127 /*
3128  * qla2x00_update_fcport
3129  *      Updates device on list.
3130  *
3131  * Input:
3132  *      ha = adapter block pointer.
3133  *      fcport = port structure pointer.
3134  *
3135  * Return:
3136  *      0  - Success
3137  *  BIT_0 - error
3138  *
3139  * Context:
3140  *      Kernel context.
3141  */
3142 void
3143 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3144 {
3145         fcport->vha = vha;
3146
3147         if (IS_QLAFX00(vha->hw)) {
3148                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3149                 qla2x00_reg_remote_port(vha, fcport);
3150                 return;
3151         }
3152         fcport->login_retry = 0;
3153         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3154
3155         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3156         qla2x00_iidma_fcport(vha, fcport);
3157         qla24xx_update_fcport_fcp_prio(vha, fcport);
3158         qla2x00_reg_remote_port(vha, fcport);
3159 }
3160
3161 /*
3162  * qla2x00_configure_fabric
3163  *      Setup SNS devices with loop ID's.
3164  *
3165  * Input:
3166  *      ha = adapter block pointer.
3167  *
3168  * Returns:
3169  *      0 = success.
3170  *      BIT_0 = error
3171  */
3172 static int
3173 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3174 {
3175         int     rval;
3176         fc_port_t       *fcport, *fcptemp;
3177         uint16_t        next_loopid;
3178         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3179         uint16_t        loop_id;
3180         LIST_HEAD(new_fcports);
3181         struct qla_hw_data *ha = vha->hw;
3182         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3183
3184         /* If FL port exists, then SNS is present */
3185         if (IS_FWI2_CAPABLE(ha))
3186                 loop_id = NPH_F_PORT;
3187         else
3188                 loop_id = SNS_FL_PORT;
3189         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3190         if (rval != QLA_SUCCESS) {
3191                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3192                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3193
3194                 vha->device_flags &= ~SWITCH_FOUND;
3195                 return (QLA_SUCCESS);
3196         }
3197         vha->device_flags |= SWITCH_FOUND;
3198
3199         do {
3200                 /* FDMI support. */
3201                 if (ql2xfdmienable &&
3202                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3203                         qla2x00_fdmi_register(vha);
3204
3205                 /* Ensure we are logged into the SNS. */
3206                 if (IS_FWI2_CAPABLE(ha))
3207                         loop_id = NPH_SNS;
3208                 else
3209                         loop_id = SIMPLE_NAME_SERVER;
3210                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3211                     0xfc, mb, BIT_1|BIT_0);
3212                 if (rval != QLA_SUCCESS) {
3213                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3214                         return rval;
3215                 }
3216                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3217                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3218                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3219                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3220                             mb[2], mb[6], mb[7]);
3221                         return (QLA_SUCCESS);
3222                 }
3223
3224                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3225                         if (qla2x00_rft_id(vha)) {
3226                                 /* EMPTY */
3227                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3228                                     "Register FC-4 TYPE failed.\n");
3229                         }
3230                         if (qla2x00_rff_id(vha)) {
3231                                 /* EMPTY */
3232                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3233                                     "Register FC-4 Features failed.\n");
3234                         }
3235                         if (qla2x00_rnn_id(vha)) {
3236                                 /* EMPTY */
3237                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3238                                     "Register Node Name failed.\n");
3239                         } else if (qla2x00_rsnn_nn(vha)) {
3240                                 /* EMPTY */
3241                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3242                                     "Register Symobilic Node Name failed.\n");
3243                         }
3244                 }
3245
3246 #define QLA_FCPORT_SCAN         1
3247 #define QLA_FCPORT_FOUND        2
3248
3249                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3250                         fcport->scan_state = QLA_FCPORT_SCAN;
3251                 }
3252
3253                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3254                 if (rval != QLA_SUCCESS)
3255                         break;
3256
3257                 /*
3258                  * Logout all previous fabric devices marked lost, except
3259                  * FCP2 devices.
3260                  */
3261                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3262                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3263                                 break;
3264
3265                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3266                                 continue;
3267
3268                         if (fcport->scan_state == QLA_FCPORT_SCAN &&
3269                             atomic_read(&fcport->state) == FCS_ONLINE) {
3270                                 qla2x00_mark_device_lost(vha, fcport,
3271                                     ql2xplogiabsentdevice, 0);
3272                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3273                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3274                                     fcport->port_type != FCT_INITIATOR &&
3275                                     fcport->port_type != FCT_BROADCAST) {
3276                                         ha->isp_ops->fabric_logout(vha,
3277                                             fcport->loop_id,
3278                                             fcport->d_id.b.domain,
3279                                             fcport->d_id.b.area,
3280                                             fcport->d_id.b.al_pa);
3281                                         fcport->loop_id = FC_NO_LOOP_ID;
3282                                 }
3283                         }
3284                 }
3285
3286                 /* Starting free loop ID. */
3287                 next_loopid = ha->min_external_loopid;
3288
3289                 /*
3290                  * Scan through our port list and login entries that need to be
3291                  * logged in.
3292                  */
3293                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3294                         if (atomic_read(&vha->loop_down_timer) ||
3295                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3296                                 break;
3297
3298                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3299                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3300                                 continue;
3301
3302                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3303                                 fcport->loop_id = next_loopid;
3304                                 rval = qla2x00_find_new_loop_id(
3305                                     base_vha, fcport);
3306                                 if (rval != QLA_SUCCESS) {
3307                                         /* Ran out of IDs to use */
3308                                         break;
3309                                 }
3310                         }
3311                         /* Login and update database */
3312                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3313                 }
3314
3315                 /* Exit if out of loop IDs. */
3316                 if (rval != QLA_SUCCESS) {
3317                         break;
3318                 }
3319
3320                 /*
3321                  * Login and add the new devices to our port list.
3322                  */
3323                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3324                         if (atomic_read(&vha->loop_down_timer) ||
3325                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3326                                 break;
3327
3328                         /* Find a new loop ID to use. */
3329                         fcport->loop_id = next_loopid;
3330                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3331                         if (rval != QLA_SUCCESS) {
3332                                 /* Ran out of IDs to use */
3333                                 break;
3334                         }
3335
3336                         /* Login and update database */
3337                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3338
3339                         list_move_tail(&fcport->list, &vha->vp_fcports);
3340                 }
3341         } while (0);
3342
3343         /* Free all new device structures not processed. */
3344         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3345                 list_del(&fcport->list);
3346                 kfree(fcport);
3347         }
3348
3349         if (rval) {
3350                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3351                     "Configure fabric error exit rval=%d.\n", rval);
3352         }
3353
3354         return (rval);
3355 }
3356
3357 /*
3358  * qla2x00_find_all_fabric_devs
3359  *
3360  * Input:
3361  *      ha = adapter block pointer.
3362  *      dev = database device entry pointer.
3363  *
3364  * Returns:
3365  *      0 = success.
3366  *
3367  * Context:
3368  *      Kernel context.
3369  */
3370 static int
3371 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3372         struct list_head *new_fcports)
3373 {
3374         int             rval;
3375         uint16_t        loop_id;
3376         fc_port_t       *fcport, *new_fcport, *fcptemp;
3377         int             found;
3378
3379         sw_info_t       *swl;
3380         int             swl_idx;
3381         int             first_dev, last_dev;
3382         port_id_t       wrap = {}, nxt_d_id;
3383         struct qla_hw_data *ha = vha->hw;
3384         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3385
3386         rval = QLA_SUCCESS;
3387
3388         /* Try GID_PT to get device list, else GAN. */
3389         if (!ha->swl)
3390                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3391                     GFP_KERNEL);
3392         swl = ha->swl;
3393         if (!swl) {
3394                 /*EMPTY*/
3395                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3396                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3397         } else {
3398                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3399                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3400                         swl = NULL;
3401                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3402                         swl = NULL;
3403                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3404                         swl = NULL;
3405                 } else if (ql2xiidmaenable &&
3406                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3407                         qla2x00_gpsc(vha, swl);
3408                 }
3409
3410                 /* If other queries succeeded probe for FC-4 type */
3411                 if (swl)
3412                         qla2x00_gff_id(vha, swl);
3413         }
3414         swl_idx = 0;
3415
3416         /* Allocate temporary fcport for any new fcports discovered. */
3417         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3418         if (new_fcport == NULL) {
3419                 ql_log(ql_log_warn, vha, 0x205e,
3420                     "Failed to allocate memory for fcport.\n");
3421                 return (QLA_MEMORY_ALLOC_FAILED);
3422         }
3423         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3424         /* Set start port ID scan at adapter ID. */
3425         first_dev = 1;
3426         last_dev = 0;
3427
3428         /* Starting free loop ID. */
3429         loop_id = ha->min_external_loopid;
3430         for (; loop_id <= ha->max_loop_id; loop_id++) {
3431                 if (qla2x00_is_reserved_id(vha, loop_id))
3432                         continue;
3433
3434                 if (ha->current_topology == ISP_CFG_FL &&
3435                     (atomic_read(&vha->loop_down_timer) ||
3436                      LOOP_TRANSITION(vha))) {
3437                         atomic_set(&vha->loop_down_timer, 0);
3438                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3439                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3440                         break;
3441                 }
3442
3443                 if (swl != NULL) {
3444                         if (last_dev) {
3445                                 wrap.b24 = new_fcport->d_id.b24;
3446                         } else {
3447                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3448                                 memcpy(new_fcport->node_name,
3449                                     swl[swl_idx].node_name, WWN_SIZE);
3450                                 memcpy(new_fcport->port_name,
3451                                     swl[swl_idx].port_name, WWN_SIZE);
3452                                 memcpy(new_fcport->fabric_port_name,
3453                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3454                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3455                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3456
3457                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3458                                         last_dev = 1;
3459                                 }
3460                                 swl_idx++;
3461                         }
3462                 } else {
3463                         /* Send GA_NXT to the switch */
3464                         rval = qla2x00_ga_nxt(vha, new_fcport);
3465                         if (rval != QLA_SUCCESS) {
3466                                 ql_log(ql_log_warn, vha, 0x2064,
3467                                     "SNS scan failed -- assuming "
3468                                     "zero-entry result.\n");
3469                                 list_for_each_entry_safe(fcport, fcptemp,
3470                                     new_fcports, list) {
3471                                         list_del(&fcport->list);
3472                                         kfree(fcport);
3473                                 }
3474                                 rval = QLA_SUCCESS;
3475                                 break;
3476                         }
3477                 }
3478
3479                 /* If wrap on switch device list, exit. */
3480                 if (first_dev) {
3481                         wrap.b24 = new_fcport->d_id.b24;
3482                         first_dev = 0;
3483                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3484                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3485                             "Device wrap (%02x%02x%02x).\n",
3486                             new_fcport->d_id.b.domain,
3487                             new_fcport->d_id.b.area,
3488                             new_fcport->d_id.b.al_pa);
3489                         break;
3490                 }
3491
3492                 /* Bypass if same physical adapter. */
3493                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3494                         continue;
3495
3496                 /* Bypass virtual ports of the same host. */
3497                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3498                         continue;
3499
3500                 /* Bypass if same domain and area of adapter. */
3501                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3502                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3503                         ISP_CFG_FL)
3504                             continue;
3505
3506                 /* Bypass reserved domain fields. */
3507                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3508                         continue;
3509
3510                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3511                 if (ql2xgffidenable &&
3512                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3513                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3514                         continue;
3515
3516                 /* Locate matching device in database. */
3517                 found = 0;
3518                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3519                         if (memcmp(new_fcport->port_name, fcport->port_name,
3520                             WWN_SIZE))
3521                                 continue;
3522
3523                         fcport->scan_state = QLA_FCPORT_FOUND;
3524
3525                         found++;
3526
3527                         /* Update port state. */
3528                         memcpy(fcport->fabric_port_name,
3529                             new_fcport->fabric_port_name, WWN_SIZE);
3530                         fcport->fp_speed = new_fcport->fp_speed;
3531
3532                         /*
3533                          * If address the same and state FCS_ONLINE, nothing
3534                          * changed.
3535                          */
3536                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3537                             atomic_read(&fcport->state) == FCS_ONLINE) {
3538                                 break;
3539                         }
3540
3541                         /*
3542                          * If device was not a fabric device before.
3543                          */
3544                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3545                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3546                                 qla2x00_clear_loop_id(fcport);
3547                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3548                                     FCF_LOGIN_NEEDED);
3549                                 break;
3550                         }
3551
3552                         /*
3553                          * Port ID changed or device was marked to be updated;
3554                          * Log it out if still logged in and mark it for
3555                          * relogin later.
3556                          */
3557                         fcport->d_id.b24 = new_fcport->d_id.b24;
3558                         fcport->flags |= FCF_LOGIN_NEEDED;
3559                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3560                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3561                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3562                             fcport->port_type != FCT_INITIATOR &&
3563                             fcport->port_type != FCT_BROADCAST) {
3564                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3565                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3566                                     fcport->d_id.b.al_pa);
3567                                 qla2x00_clear_loop_id(fcport);
3568                         }
3569
3570                         break;
3571                 }
3572
3573                 if (found)
3574                         continue;
3575                 /* If device was not in our fcports list, then add it. */
3576                 list_add_tail(&new_fcport->list, new_fcports);
3577
3578                 /* Allocate a new replacement fcport. */
3579                 nxt_d_id.b24 = new_fcport->d_id.b24;
3580                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3581                 if (new_fcport == NULL) {
3582                         ql_log(ql_log_warn, vha, 0x2066,
3583                             "Memory allocation failed for fcport.\n");
3584                         return (QLA_MEMORY_ALLOC_FAILED);
3585                 }
3586                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3587                 new_fcport->d_id.b24 = nxt_d_id.b24;
3588         }
3589
3590         kfree(new_fcport);
3591
3592         return (rval);
3593 }
3594
3595 /*
3596  * qla2x00_find_new_loop_id
3597  *      Scan through our port list and find a new usable loop ID.
3598  *
3599  * Input:
3600  *      ha:     adapter state pointer.
3601  *      dev:    port structure pointer.
3602  *
3603  * Returns:
3604  *      qla2x00 local function return status code.
3605  *
3606  * Context:
3607  *      Kernel context.
3608  */
3609 int
3610 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3611 {
3612         int     rval;
3613         struct qla_hw_data *ha = vha->hw;
3614         unsigned long flags = 0;
3615
3616         rval = QLA_SUCCESS;
3617
3618         spin_lock_irqsave(&ha->vport_slock, flags);
3619
3620         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3621             LOOPID_MAP_SIZE);
3622         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3623             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3624                 dev->loop_id = FC_NO_LOOP_ID;
3625                 rval = QLA_FUNCTION_FAILED;
3626         } else
3627                 set_bit(dev->loop_id, ha->loop_id_map);
3628
3629         spin_unlock_irqrestore(&ha->vport_slock, flags);
3630
3631         if (rval == QLA_SUCCESS)
3632                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3633                     "Assigning new loopid=%x, portid=%x.\n",
3634                     dev->loop_id, dev->d_id.b24);
3635         else
3636                 ql_log(ql_log_warn, dev->vha, 0x2087,
3637                     "No loop_id's available, portid=%x.\n",
3638                     dev->d_id.b24);
3639
3640         return (rval);
3641 }
3642
3643 /*
3644  * qla2x00_fabric_dev_login
3645  *      Login fabric target device and update FC port database.
3646  *
3647  * Input:
3648  *      ha:             adapter state pointer.
3649  *      fcport:         port structure list pointer.
3650  *      next_loopid:    contains value of a new loop ID that can be used
3651  *                      by the next login attempt.
3652  *
3653  * Returns:
3654  *      qla2x00 local function return status code.
3655  *
3656  * Context:
3657  *      Kernel context.
3658  */
3659 static int
3660 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3661     uint16_t *next_loopid)
3662 {
3663         int     rval;
3664         int     retry;
3665         uint8_t opts;
3666         struct qla_hw_data *ha = vha->hw;
3667
3668         rval = QLA_SUCCESS;
3669         retry = 0;
3670
3671         if (IS_ALOGIO_CAPABLE(ha)) {
3672                 if (fcport->flags & FCF_ASYNC_SENT)
3673                         return rval;
3674                 fcport->flags |= FCF_ASYNC_SENT;
3675                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3676                 if (!rval)
3677                         return rval;
3678         }
3679
3680         fcport->flags &= ~FCF_ASYNC_SENT;
3681         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3682         if (rval == QLA_SUCCESS) {
3683                 /* Send an ADISC to FCP2 devices.*/
3684                 opts = 0;
3685                 if (fcport->flags & FCF_FCP2_DEVICE)
3686                         opts |= BIT_1;
3687                 rval = qla2x00_get_port_database(vha, fcport, opts);
3688                 if (rval != QLA_SUCCESS) {
3689                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3690                             fcport->d_id.b.domain, fcport->d_id.b.area,
3691                             fcport->d_id.b.al_pa);
3692                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3693                 } else {
3694                         qla2x00_update_fcport(vha, fcport);
3695                 }
3696         } else {
3697                 /* Retry Login. */
3698                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3699         }
3700
3701         return (rval);
3702 }
3703
3704 /*
3705  * qla2x00_fabric_login
3706  *      Issue fabric login command.
3707  *
3708  * Input:
3709  *      ha = adapter block pointer.
3710  *      device = pointer to FC device type structure.
3711  *
3712  * Returns:
3713  *      0 - Login successfully
3714  *      1 - Login failed
3715  *      2 - Initiator device
3716  *      3 - Fatal error
3717  */
3718 int
3719 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3720     uint16_t *next_loopid)
3721 {
3722         int     rval;
3723         int     retry;
3724         uint16_t tmp_loopid;
3725         uint16_t mb[MAILBOX_REGISTER_COUNT];
3726         struct qla_hw_data *ha = vha->hw;
3727
3728         retry = 0;
3729         tmp_loopid = 0;
3730
3731         for (;;) {
3732                 ql_dbg(ql_dbg_disc, vha, 0x2000,
3733                     "Trying Fabric Login w/loop id 0x%04x for port "
3734                     "%02x%02x%02x.\n",
3735                     fcport->loop_id, fcport->d_id.b.domain,
3736                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
3737
3738                 /* Login fcport on switch. */
3739                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
3740                     fcport->d_id.b.domain, fcport->d_id.b.area,
3741                     fcport->d_id.b.al_pa, mb, BIT_0);
3742                 if (rval != QLA_SUCCESS) {
3743                         return rval;
3744                 }
3745                 if (mb[0] == MBS_PORT_ID_USED) {
3746                         /*
3747                          * Device has another loop ID.  The firmware team
3748                          * recommends the driver perform an implicit login with
3749                          * the specified ID again. The ID we just used is save
3750                          * here so we return with an ID that can be tried by
3751                          * the next login.
3752                          */
3753                         retry++;
3754                         tmp_loopid = fcport->loop_id;
3755                         fcport->loop_id = mb[1];
3756
3757                         ql_dbg(ql_dbg_disc, vha, 0x2001,
3758                             "Fabric Login: port in use - next loop "
3759                             "id=0x%04x, port id= %02x%02x%02x.\n",
3760                             fcport->loop_id, fcport->d_id.b.domain,
3761                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
3762
3763                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3764                         /*
3765                          * Login succeeded.
3766                          */
3767                         if (retry) {
3768                                 /* A retry occurred before. */
3769                                 *next_loopid = tmp_loopid;
3770                         } else {
3771                                 /*
3772                                  * No retry occurred before. Just increment the
3773                                  * ID value for next login.
3774                                  */
3775                                 *next_loopid = (fcport->loop_id + 1);
3776                         }
3777
3778                         if (mb[1] & BIT_0) {
3779                                 fcport->port_type = FCT_INITIATOR;
3780                         } else {
3781                                 fcport->port_type = FCT_TARGET;
3782                                 if (mb[1] & BIT_1) {
3783                                         fcport->flags |= FCF_FCP2_DEVICE;
3784                                 }
3785                         }
3786
3787                         if (mb[10] & BIT_0)
3788                                 fcport->supported_classes |= FC_COS_CLASS2;
3789                         if (mb[10] & BIT_1)
3790                                 fcport->supported_classes |= FC_COS_CLASS3;
3791
3792                         if (IS_FWI2_CAPABLE(ha)) {
3793                                 if (mb[10] & BIT_7)
3794                                         fcport->flags |=
3795                                             FCF_CONF_COMP_SUPPORTED;
3796                         }
3797
3798                         rval = QLA_SUCCESS;
3799                         break;
3800                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3801                         /*
3802                          * Loop ID already used, try next loop ID.
3803                          */
3804                         fcport->loop_id++;
3805                         rval = qla2x00_find_new_loop_id(vha, fcport);
3806                         if (rval != QLA_SUCCESS) {
3807                                 /* Ran out of loop IDs to use */
3808                                 break;
3809                         }
3810                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3811                         /*
3812                          * Firmware possibly timed out during login. If NO
3813                          * retries are left to do then the device is declared
3814                          * dead.
3815                          */
3816                         *next_loopid = fcport->loop_id;
3817                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3818                             fcport->d_id.b.domain, fcport->d_id.b.area,
3819                             fcport->d_id.b.al_pa);
3820                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3821
3822                         rval = 1;
3823                         break;
3824                 } else {
3825                         /*
3826                          * unrecoverable / not handled error
3827                          */
3828                         ql_dbg(ql_dbg_disc, vha, 0x2002,
3829                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3830                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3831                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
3832                             fcport->loop_id, jiffies);
3833
3834                         *next_loopid = fcport->loop_id;
3835                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3836                             fcport->d_id.b.domain, fcport->d_id.b.area,
3837                             fcport->d_id.b.al_pa);
3838                         qla2x00_clear_loop_id(fcport);
3839                         fcport->login_retry = 0;
3840
3841                         rval = 3;
3842                         break;
3843                 }
3844         }
3845
3846         return (rval);
3847 }
3848
3849 /*
3850  * qla2x00_local_device_login
3851  *      Issue local device login command.
3852  *
3853  * Input:
3854  *      ha = adapter block pointer.
3855  *      loop_id = loop id of device to login to.
3856  *
3857  * Returns (Where's the #define!!!!):
3858  *      0 - Login successfully
3859  *      1 - Login failed
3860  *      3 - Fatal error
3861  */
3862 int
3863 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3864 {
3865         int             rval;
3866         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3867
3868         memset(mb, 0, sizeof(mb));
3869         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3870         if (rval == QLA_SUCCESS) {
3871                 /* Interrogate mailbox registers for any errors */
3872                 if (mb[0] == MBS_COMMAND_ERROR)
3873                         rval = 1;
3874                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3875                         /* device not in PCB table */
3876                         rval = 3;
3877         }
3878
3879         return (rval);
3880 }
3881
3882 /*
3883  *  qla2x00_loop_resync
3884  *      Resync with fibre channel devices.
3885  *
3886  * Input:
3887  *      ha = adapter block pointer.
3888  *
3889  * Returns:
3890  *      0 = success
3891  */
3892 int
3893 qla2x00_loop_resync(scsi_qla_host_t *vha)
3894 {
3895         int rval = QLA_SUCCESS;
3896         uint32_t wait_time;
3897         struct req_que *req;
3898         struct rsp_que *rsp;
3899
3900         if (vha->hw->flags.cpu_affinity_enabled)
3901                 req = vha->hw->req_q_map[0];
3902         else
3903                 req = vha->req;
3904         rsp = req->rsp;
3905
3906         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3907         if (vha->flags.online) {
3908                 if (!(rval = qla2x00_fw_ready(vha))) {
3909                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3910                         wait_time = 256;
3911                         do {
3912                                 if (!IS_QLAFX00(vha->hw)) {
3913                                         /*
3914                                          * Issue a marker after FW becomes
3915                                          * ready.
3916                                          */
3917                                         qla2x00_marker(vha, req, rsp, 0, 0,
3918                                                 MK_SYNC_ALL);
3919                                         vha->marker_needed = 0;
3920                                 }
3921
3922                                 /* Remap devices on Loop. */
3923                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3924
3925                                 if (IS_QLAFX00(vha->hw))
3926                                         qlafx00_configure_devices(vha);
3927                                 else
3928                                         qla2x00_configure_loop(vha);
3929
3930                                 wait_time--;
3931                         } while (!atomic_read(&vha->loop_down_timer) &&
3932                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3933                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3934                                 &vha->dpc_flags)));
3935                 }
3936         }
3937
3938         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3939                 return (QLA_FUNCTION_FAILED);
3940
3941         if (rval)
3942                 ql_dbg(ql_dbg_disc, vha, 0x206c,
3943                     "%s *** FAILED ***.\n", __func__);
3944
3945         return (rval);
3946 }
3947
3948 /*
3949 * qla2x00_perform_loop_resync
3950 * Description: This function will set the appropriate flags and call
3951 *              qla2x00_loop_resync. If successful loop will be resynced
3952 * Arguments : scsi_qla_host_t pointer
3953 * returm    : Success or Failure
3954 */
3955
3956 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3957 {
3958         int32_t rval = 0;
3959
3960         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3961                 /*Configure the flags so that resync happens properly*/
3962                 atomic_set(&ha->loop_down_timer, 0);
3963                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3964                         atomic_set(&ha->loop_state, LOOP_UP);
3965                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3966                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3967                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3968
3969                         rval = qla2x00_loop_resync(ha);
3970                 } else
3971                         atomic_set(&ha->loop_state, LOOP_DEAD);
3972
3973                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3974         }
3975
3976         return rval;
3977 }
3978
3979 void
3980 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3981 {
3982         fc_port_t *fcport;
3983         struct scsi_qla_host *vha;
3984         struct qla_hw_data *ha = base_vha->hw;
3985         unsigned long flags;
3986
3987         spin_lock_irqsave(&ha->vport_slock, flags);
3988         /* Go with deferred removal of rport references. */
3989         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3990                 atomic_inc(&vha->vref_count);
3991                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3992                         if (fcport->drport &&
3993                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3994                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3995                                 qla2x00_rport_del(fcport);
3996                                 spin_lock_irqsave(&ha->vport_slock, flags);
3997                         }
3998                 }
3999                 atomic_dec(&vha->vref_count);
4000         }
4001         spin_unlock_irqrestore(&ha->vport_slock, flags);
4002 }
4003
4004 /* Assumes idc_lock always held on entry */
4005 void
4006 qla83xx_reset_ownership(scsi_qla_host_t *vha)
4007 {
4008         struct qla_hw_data *ha = vha->hw;
4009         uint32_t drv_presence, drv_presence_mask;
4010         uint32_t dev_part_info1, dev_part_info2, class_type;
4011         uint32_t class_type_mask = 0x3;
4012         uint16_t fcoe_other_function = 0xffff, i;
4013
4014         if (IS_QLA8044(ha)) {
4015                 drv_presence = qla8044_rd_direct(vha,
4016                     QLA8044_CRB_DRV_ACTIVE_INDEX);
4017                 dev_part_info1 = qla8044_rd_direct(vha,
4018                     QLA8044_CRB_DEV_PART_INFO_INDEX);
4019                 dev_part_info2 = qla8044_rd_direct(vha,
4020                     QLA8044_CRB_DEV_PART_INFO2);
4021         } else {
4022                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4023                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4024                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4025         }
4026         for (i = 0; i < 8; i++) {
4027                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4028                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4029                     (i != ha->portnum)) {
4030                         fcoe_other_function = i;
4031                         break;
4032                 }
4033         }
4034         if (fcoe_other_function == 0xffff) {
4035                 for (i = 0; i < 8; i++) {
4036                         class_type = ((dev_part_info2 >> (i * 4)) &
4037                             class_type_mask);
4038                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4039                             ((i + 8) != ha->portnum)) {
4040                                 fcoe_other_function = i + 8;
4041                                 break;
4042                         }
4043                 }
4044         }
4045         /*
4046          * Prepare drv-presence mask based on fcoe functions present.
4047          * However consider only valid physical fcoe function numbers (0-15).
4048          */
4049         drv_presence_mask = ~((1 << (ha->portnum)) |
4050                         ((fcoe_other_function == 0xffff) ?
4051                          0 : (1 << (fcoe_other_function))));
4052
4053         /* We are the reset owner iff:
4054          *    - No other protocol drivers present.
4055          *    - This is the lowest among fcoe functions. */
4056         if (!(drv_presence & drv_presence_mask) &&
4057                         (ha->portnum < fcoe_other_function)) {
4058                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4059                     "This host is Reset owner.\n");
4060                 ha->flags.nic_core_reset_owner = 1;
4061         }
4062 }
4063
4064 static int
4065 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4066 {
4067         int rval = QLA_SUCCESS;
4068         struct qla_hw_data *ha = vha->hw;
4069         uint32_t drv_ack;
4070
4071         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4072         if (rval == QLA_SUCCESS) {
4073                 drv_ack |= (1 << ha->portnum);
4074                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4075         }
4076
4077         return rval;
4078 }
4079
4080 static int
4081 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4082 {
4083         int rval = QLA_SUCCESS;
4084         struct qla_hw_data *ha = vha->hw;
4085         uint32_t drv_ack;
4086
4087         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4088         if (rval == QLA_SUCCESS) {
4089                 drv_ack &= ~(1 << ha->portnum);
4090                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4091         }
4092
4093         return rval;
4094 }
4095
4096 static const char *
4097 qla83xx_dev_state_to_string(uint32_t dev_state)
4098 {
4099         switch (dev_state) {
4100         case QLA8XXX_DEV_COLD:
4101                 return "COLD/RE-INIT";
4102         case QLA8XXX_DEV_INITIALIZING:
4103                 return "INITIALIZING";
4104         case QLA8XXX_DEV_READY:
4105                 return "READY";
4106         case QLA8XXX_DEV_NEED_RESET:
4107                 return "NEED RESET";
4108         case QLA8XXX_DEV_NEED_QUIESCENT:
4109                 return "NEED QUIESCENT";
4110         case QLA8XXX_DEV_FAILED:
4111                 return "FAILED";
4112         case QLA8XXX_DEV_QUIESCENT:
4113                 return "QUIESCENT";
4114         default:
4115                 return "Unknown";
4116         }
4117 }
4118
4119 /* Assumes idc-lock always held on entry */
4120 void
4121 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4122 {
4123         struct qla_hw_data *ha = vha->hw;
4124         uint32_t idc_audit_reg = 0, duration_secs = 0;
4125
4126         switch (audit_type) {
4127         case IDC_AUDIT_TIMESTAMP:
4128                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4129                 idc_audit_reg = (ha->portnum) |
4130                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4131                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4132                 break;
4133
4134         case IDC_AUDIT_COMPLETION:
4135                 duration_secs = ((jiffies_to_msecs(jiffies) -
4136                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4137                 idc_audit_reg = (ha->portnum) |
4138                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4139                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4140                 break;
4141
4142         default:
4143                 ql_log(ql_log_warn, vha, 0xb078,
4144                     "Invalid audit type specified.\n");
4145                 break;
4146         }
4147 }
4148
4149 /* Assumes idc_lock always held on entry */
4150 static int
4151 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4152 {
4153         struct qla_hw_data *ha = vha->hw;
4154         uint32_t  idc_control, dev_state;
4155
4156         __qla83xx_get_idc_control(vha, &idc_control);
4157         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4158                 ql_log(ql_log_info, vha, 0xb080,
4159                     "NIC Core reset has been disabled. idc-control=0x%x\n",
4160                     idc_control);
4161                 return QLA_FUNCTION_FAILED;
4162         }
4163
4164         /* Set NEED-RESET iff in READY state and we are the reset-owner */
4165         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4166         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4167                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4168                     QLA8XXX_DEV_NEED_RESET);
4169                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4170                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4171         } else {
4172                 const char *state = qla83xx_dev_state_to_string(dev_state);
4173                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4174
4175                 /* SV: XXX: Is timeout required here? */
4176                 /* Wait for IDC state change READY -> NEED_RESET */
4177                 while (dev_state == QLA8XXX_DEV_READY) {
4178                         qla83xx_idc_unlock(vha, 0);
4179                         msleep(200);
4180                         qla83xx_idc_lock(vha, 0);
4181                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4182                 }
4183         }
4184
4185         /* Send IDC ack by writing to drv-ack register */
4186         __qla83xx_set_drv_ack(vha);
4187
4188         return QLA_SUCCESS;
4189 }
4190
4191 int
4192 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4193 {
4194         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4195 }
4196
4197 int
4198 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4199 {
4200         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4201 }
4202
4203 static int
4204 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4205 {
4206         uint32_t drv_presence = 0;
4207         struct qla_hw_data *ha = vha->hw;
4208
4209         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4210         if (drv_presence & (1 << ha->portnum))
4211                 return QLA_SUCCESS;
4212         else
4213                 return QLA_TEST_FAILED;
4214 }
4215
4216 int
4217 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4218 {
4219         int rval = QLA_SUCCESS;
4220         struct qla_hw_data *ha = vha->hw;
4221
4222         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4223             "Entered  %s().\n", __func__);
4224
4225         if (vha->device_flags & DFLG_DEV_FAILED) {
4226                 ql_log(ql_log_warn, vha, 0xb059,
4227                     "Device in unrecoverable FAILED state.\n");
4228                 return QLA_FUNCTION_FAILED;
4229         }
4230
4231         qla83xx_idc_lock(vha, 0);
4232
4233         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4234                 ql_log(ql_log_warn, vha, 0xb05a,
4235                     "Function=0x%x has been removed from IDC participation.\n",
4236                     ha->portnum);
4237                 rval = QLA_FUNCTION_FAILED;
4238                 goto exit;
4239         }
4240
4241         qla83xx_reset_ownership(vha);
4242
4243         rval = qla83xx_initiating_reset(vha);
4244
4245         /*
4246          * Perform reset if we are the reset-owner,
4247          * else wait till IDC state changes to READY/FAILED.
4248          */
4249         if (rval == QLA_SUCCESS) {
4250                 rval = qla83xx_idc_state_handler(vha);
4251
4252                 if (rval == QLA_SUCCESS)
4253                         ha->flags.nic_core_hung = 0;
4254                 __qla83xx_clear_drv_ack(vha);
4255         }
4256
4257 exit:
4258         qla83xx_idc_unlock(vha, 0);
4259
4260         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4261
4262         return rval;
4263 }
4264
4265 int
4266 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4267 {
4268         struct qla_hw_data *ha = vha->hw;
4269         int rval = QLA_FUNCTION_FAILED;
4270
4271         if (!IS_MCTP_CAPABLE(ha)) {
4272                 /* This message can be removed from the final version */
4273                 ql_log(ql_log_info, vha, 0x506d,
4274                     "This board is not MCTP capable\n");
4275                 return rval;
4276         }
4277
4278         if (!ha->mctp_dump) {
4279                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4280                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4281
4282                 if (!ha->mctp_dump) {
4283                         ql_log(ql_log_warn, vha, 0x506e,
4284                             "Failed to allocate memory for mctp dump\n");
4285                         return rval;
4286                 }
4287         }
4288
4289 #define MCTP_DUMP_STR_ADDR      0x00000000
4290         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4291             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4292         if (rval != QLA_SUCCESS) {
4293                 ql_log(ql_log_warn, vha, 0x506f,
4294                     "Failed to capture mctp dump\n");
4295         } else {
4296                 ql_log(ql_log_info, vha, 0x5070,
4297                     "Mctp dump capture for host (%ld/%p).\n",
4298                     vha->host_no, ha->mctp_dump);
4299                 ha->mctp_dumped = 1;
4300         }
4301
4302         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4303                 ha->flags.nic_core_reset_hdlr_active = 1;
4304                 rval = qla83xx_restart_nic_firmware(vha);
4305                 if (rval)
4306                         /* NIC Core reset failed. */
4307                         ql_log(ql_log_warn, vha, 0x5071,
4308                             "Failed to restart nic firmware\n");
4309                 else
4310                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4311                             "Restarted NIC firmware successfully.\n");
4312                 ha->flags.nic_core_reset_hdlr_active = 0;
4313         }
4314
4315         return rval;
4316
4317 }
4318
4319 /*
4320 * qla2x00_quiesce_io
4321 * Description: This function will block the new I/Os
4322 *              Its not aborting any I/Os as context
4323 *              is not destroyed during quiescence
4324 * Arguments: scsi_qla_host_t
4325 * return   : void
4326 */
4327 void
4328 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4329 {
4330         struct qla_hw_data *ha = vha->hw;
4331         struct scsi_qla_host *vp;
4332
4333         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4334             "Quiescing I/O - ha=%p.\n", ha);
4335
4336         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4337         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4338                 atomic_set(&vha->loop_state, LOOP_DOWN);
4339                 qla2x00_mark_all_devices_lost(vha, 0);
4340                 list_for_each_entry(vp, &ha->vp_list, list)
4341                         qla2x00_mark_all_devices_lost(vp, 0);
4342         } else {
4343                 if (!atomic_read(&vha->loop_down_timer))
4344                         atomic_set(&vha->loop_down_timer,
4345                                         LOOP_DOWN_TIME);
4346         }
4347         /* Wait for pending cmds to complete */
4348         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4349 }
4350
4351 void
4352 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4353 {
4354         struct qla_hw_data *ha = vha->hw;
4355         struct scsi_qla_host *vp;
4356         unsigned long flags;
4357         fc_port_t *fcport;
4358
4359         /* For ISP82XX, driver waits for completion of the commands.
4360          * online flag should be set.
4361          */
4362         if (!(IS_P3P_TYPE(ha)))
4363                 vha->flags.online = 0;
4364         ha->flags.chip_reset_done = 0;
4365         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4366         vha->qla_stats.total_isp_aborts++;
4367
4368         ql_log(ql_log_info, vha, 0x00af,
4369             "Performing ISP error recovery - ha=%p.\n", ha);
4370
4371         /* For ISP82XX, reset_chip is just disabling interrupts.
4372          * Driver waits for the completion of the commands.
4373          * the interrupts need to be enabled.
4374          */
4375         if (!(IS_P3P_TYPE(ha)))
4376                 ha->isp_ops->reset_chip(vha);
4377
4378         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4379         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4380                 atomic_set(&vha->loop_state, LOOP_DOWN);
4381                 qla2x00_mark_all_devices_lost(vha, 0);
4382
4383                 spin_lock_irqsave(&ha->vport_slock, flags);
4384                 list_for_each_entry(vp, &ha->vp_list, list) {
4385                         atomic_inc(&vp->vref_count);
4386                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4387
4388                         qla2x00_mark_all_devices_lost(vp, 0);
4389
4390                         spin_lock_irqsave(&ha->vport_slock, flags);
4391                         atomic_dec(&vp->vref_count);
4392                 }
4393                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4394         } else {
4395                 if (!atomic_read(&vha->loop_down_timer))
4396                         atomic_set(&vha->loop_down_timer,
4397                             LOOP_DOWN_TIME);
4398         }
4399
4400         /* Clear all async request states across all VPs. */
4401         list_for_each_entry(fcport, &vha->vp_fcports, list)
4402                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4403         spin_lock_irqsave(&ha->vport_slock, flags);
4404         list_for_each_entry(vp, &ha->vp_list, list) {
4405                 atomic_inc(&vp->vref_count);
4406                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4407
4408                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4409                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4410
4411                 spin_lock_irqsave(&ha->vport_slock, flags);
4412                 atomic_dec(&vp->vref_count);
4413         }
4414         spin_unlock_irqrestore(&ha->vport_slock, flags);
4415
4416         if (!ha->flags.eeh_busy) {
4417                 /* Make sure for ISP 82XX IO DMA is complete */
4418                 if (IS_P3P_TYPE(ha)) {
4419                         qla82xx_chip_reset_cleanup(vha);
4420                         ql_log(ql_log_info, vha, 0x00b4,
4421                             "Done chip reset cleanup.\n");
4422
4423                         /* Done waiting for pending commands.
4424                          * Reset the online flag.
4425                          */
4426                         vha->flags.online = 0;
4427                 }
4428
4429                 /* Requeue all commands in outstanding command list. */
4430                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4431         }
4432 }
4433
4434 /*
4435 *  qla2x00_abort_isp
4436 *      Resets ISP and aborts all outstanding commands.
4437 *
4438 * Input:
4439 *      ha           = adapter block pointer.
4440 *
4441 * Returns:
4442 *      0 = success
4443 */
4444 int
4445 qla2x00_abort_isp(scsi_qla_host_t *vha)
4446 {
4447         int rval;
4448         uint8_t        status = 0;
4449         struct qla_hw_data *ha = vha->hw;
4450         struct scsi_qla_host *vp;
4451         struct req_que *req = ha->req_q_map[0];
4452         unsigned long flags;
4453
4454         if (vha->flags.online) {
4455                 qla2x00_abort_isp_cleanup(vha);
4456
4457                 if (IS_QLA8031(ha)) {
4458                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4459                             "Clearing fcoe driver presence.\n");
4460                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4461                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4462                                     "Error while clearing DRV-Presence.\n");
4463                 }
4464
4465                 if (unlikely(pci_channel_offline(ha->pdev) &&
4466                     ha->flags.pci_channel_io_perm_failure)) {
4467                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4468                         status = 0;
4469                         return status;
4470                 }
4471
4472                 ha->isp_ops->get_flash_version(vha, req->ring);
4473
4474                 ha->isp_ops->nvram_config(vha);
4475
4476                 if (!qla2x00_restart_isp(vha)) {
4477                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4478
4479                         if (!atomic_read(&vha->loop_down_timer)) {
4480                                 /*
4481                                  * Issue marker command only when we are going
4482                                  * to start the I/O .
4483                                  */
4484                                 vha->marker_needed = 1;
4485                         }
4486
4487                         vha->flags.online = 1;
4488
4489                         ha->isp_ops->enable_intrs(ha);
4490
4491                         ha->isp_abort_cnt = 0;
4492                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4493
4494                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4495                                 qla2x00_get_fw_version(vha);
4496                         if (ha->fce) {
4497                                 ha->flags.fce_enabled = 1;
4498                                 memset(ha->fce, 0,
4499                                     fce_calc_size(ha->fce_bufs));
4500                                 rval = qla2x00_enable_fce_trace(vha,
4501                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4502                                     &ha->fce_bufs);
4503                                 if (rval) {
4504                                         ql_log(ql_log_warn, vha, 0x8033,
4505                                             "Unable to reinitialize FCE "
4506                                             "(%d).\n", rval);
4507                                         ha->flags.fce_enabled = 0;
4508                                 }
4509                         }
4510
4511                         if (ha->eft) {
4512                                 memset(ha->eft, 0, EFT_SIZE);
4513                                 rval = qla2x00_enable_eft_trace(vha,
4514                                     ha->eft_dma, EFT_NUM_BUFFERS);
4515                                 if (rval) {
4516                                         ql_log(ql_log_warn, vha, 0x8034,
4517                                             "Unable to reinitialize EFT "
4518                                             "(%d).\n", rval);
4519                                 }
4520                         }
4521                 } else {        /* failed the ISP abort */
4522                         vha->flags.online = 1;
4523                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4524                                 if (ha->isp_abort_cnt == 0) {
4525                                         ql_log(ql_log_fatal, vha, 0x8035,
4526                                             "ISP error recover failed - "
4527                                             "board disabled.\n");
4528                                         /*
4529                                          * The next call disables the board
4530                                          * completely.
4531                                          */
4532                                         ha->isp_ops->reset_adapter(vha);
4533                                         vha->flags.online = 0;
4534                                         clear_bit(ISP_ABORT_RETRY,
4535                                             &vha->dpc_flags);
4536                                         status = 0;
4537                                 } else { /* schedule another ISP abort */
4538                                         ha->isp_abort_cnt--;
4539                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4540                                             "ISP abort - retry remaining %d.\n",
4541                                             ha->isp_abort_cnt);
4542                                         status = 1;
4543                                 }
4544                         } else {
4545                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4546                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4547                                     "ISP error recovery - retrying (%d) "
4548                                     "more times.\n", ha->isp_abort_cnt);
4549                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4550                                 status = 1;
4551                         }
4552                 }
4553
4554         }
4555
4556         if (!status) {
4557                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4558
4559                 spin_lock_irqsave(&ha->vport_slock, flags);
4560                 list_for_each_entry(vp, &ha->vp_list, list) {
4561                         if (vp->vp_idx) {
4562                                 atomic_inc(&vp->vref_count);
4563                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4564
4565                                 qla2x00_vp_abort_isp(vp);
4566
4567                                 spin_lock_irqsave(&ha->vport_slock, flags);
4568                                 atomic_dec(&vp->vref_count);
4569                         }
4570                 }
4571                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4572
4573                 if (IS_QLA8031(ha)) {
4574                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4575                             "Setting back fcoe driver presence.\n");
4576                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4577                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4578                                     "Error while setting DRV-Presence.\n");
4579                 }
4580         } else {
4581                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4582                        __func__);
4583         }
4584
4585         return(status);
4586 }
4587
4588 /*
4589 *  qla2x00_restart_isp
4590 *      restarts the ISP after a reset
4591 *
4592 * Input:
4593 *      ha = adapter block pointer.
4594 *
4595 * Returns:
4596 *      0 = success
4597 */
4598 static int
4599 qla2x00_restart_isp(scsi_qla_host_t *vha)
4600 {
4601         int status = 0;
4602         uint32_t wait_time;
4603         struct qla_hw_data *ha = vha->hw;
4604         struct req_que *req = ha->req_q_map[0];
4605         struct rsp_que *rsp = ha->rsp_q_map[0];
4606         unsigned long flags;
4607
4608         /* If firmware needs to be loaded */
4609         if (qla2x00_isp_firmware(vha)) {
4610                 vha->flags.online = 0;
4611                 status = ha->isp_ops->chip_diag(vha);
4612                 if (!status)
4613                         status = qla2x00_setup_chip(vha);
4614         }
4615
4616         if (!status && !(status = qla2x00_init_rings(vha))) {
4617                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4618                 ha->flags.chip_reset_done = 1;
4619                 /* Initialize the queues in use */
4620                 qla25xx_init_queues(ha);
4621
4622                 status = qla2x00_fw_ready(vha);
4623                 if (!status) {
4624                         ql_dbg(ql_dbg_taskm, vha, 0x8031,
4625                             "Start configure loop status = %d.\n", status);
4626
4627                         /* Issue a marker after FW becomes ready. */
4628                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4629
4630                         vha->flags.online = 1;
4631
4632                         /*
4633                          * Process any ATIO queue entries that came in
4634                          * while we weren't online.
4635                          */
4636                         spin_lock_irqsave(&ha->hardware_lock, flags);
4637                         if (qla_tgt_mode_enabled(vha))
4638                                 qlt_24xx_process_atio_queue(vha);
4639                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4640
4641                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4642                         wait_time = 256;
4643                         do {
4644                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4645                                 qla2x00_configure_loop(vha);
4646                                 wait_time--;
4647                         } while (!atomic_read(&vha->loop_down_timer) &&
4648                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4649                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4650                                 &vha->dpc_flags)));
4651                 }
4652
4653                 /* if no cable then assume it's good */
4654                 if ((vha->device_flags & DFLG_NO_CABLE))
4655                         status = 0;
4656
4657                 ql_dbg(ql_dbg_taskm, vha, 0x8032,
4658                     "Configure loop done, status = 0x%x.\n", status);
4659         }
4660         return (status);
4661 }
4662
4663 static int
4664 qla25xx_init_queues(struct qla_hw_data *ha)
4665 {
4666         struct rsp_que *rsp = NULL;
4667         struct req_que *req = NULL;
4668         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4669         int ret = -1;
4670         int i;
4671
4672         for (i = 1; i < ha->max_rsp_queues; i++) {
4673                 rsp = ha->rsp_q_map[i];
4674                 if (rsp) {
4675                         rsp->options &= ~BIT_0;
4676                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4677                         if (ret != QLA_SUCCESS)
4678                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4679                                     "%s Rsp que: %d init failed.\n",
4680                                     __func__, rsp->id);
4681                         else
4682                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4683                                     "%s Rsp que: %d inited.\n",
4684                                     __func__, rsp->id);
4685                 }
4686         }
4687         for (i = 1; i < ha->max_req_queues; i++) {
4688                 req = ha->req_q_map[i];
4689                 if (req) {
4690                 /* Clear outstanding commands array. */
4691                         req->options &= ~BIT_0;
4692                         ret = qla25xx_init_req_que(base_vha, req);
4693                         if (ret != QLA_SUCCESS)
4694                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4695                                     "%s Req que: %d init failed.\n",
4696                                     __func__, req->id);
4697                         else
4698                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4699                                     "%s Req que: %d inited.\n",
4700                                     __func__, req->id);
4701                 }
4702         }
4703         return ret;
4704 }
4705
4706 /*
4707 * qla2x00_reset_adapter
4708 *      Reset adapter.
4709 *
4710 * Input:
4711 *      ha = adapter block pointer.
4712 */
4713 void
4714 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4715 {
4716         unsigned long flags = 0;
4717         struct qla_hw_data *ha = vha->hw;
4718         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4719
4720         vha->flags.online = 0;
4721         ha->isp_ops->disable_intrs(ha);
4722
4723         spin_lock_irqsave(&ha->hardware_lock, flags);
4724         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4725         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4726         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4727         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4728         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4729 }
4730
4731 void
4732 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4733 {
4734         unsigned long flags = 0;
4735         struct qla_hw_data *ha = vha->hw;
4736         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4737
4738         if (IS_P3P_TYPE(ha))
4739                 return;
4740
4741         vha->flags.online = 0;
4742         ha->isp_ops->disable_intrs(ha);
4743
4744         spin_lock_irqsave(&ha->hardware_lock, flags);
4745         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4746         RD_REG_DWORD(&reg->hccr);
4747         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4748         RD_REG_DWORD(&reg->hccr);
4749         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4750
4751         if (IS_NOPOLLING_TYPE(ha))
4752                 ha->isp_ops->enable_intrs(ha);
4753 }
4754
4755 /* On sparc systems, obtain port and node WWN from firmware
4756  * properties.
4757  */
4758 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4759         struct nvram_24xx *nv)
4760 {
4761 #ifdef CONFIG_SPARC
4762         struct qla_hw_data *ha = vha->hw;
4763         struct pci_dev *pdev = ha->pdev;
4764         struct device_node *dp = pci_device_to_OF_node(pdev);
4765         const u8 *val;
4766         int len;
4767
4768         val = of_get_property(dp, "port-wwn", &len);
4769         if (val && len >= WWN_SIZE)
4770                 memcpy(nv->port_name, val, WWN_SIZE);
4771
4772         val = of_get_property(dp, "node-wwn", &len);
4773         if (val && len >= WWN_SIZE)
4774                 memcpy(nv->node_name, val, WWN_SIZE);
4775 #endif
4776 }
4777
4778 int
4779 qla24xx_nvram_config(scsi_qla_host_t *vha)
4780 {
4781         int   rval;
4782         struct init_cb_24xx *icb;
4783         struct nvram_24xx *nv;
4784         uint32_t *dptr;
4785         uint8_t  *dptr1, *dptr2;
4786         uint32_t chksum;
4787         uint16_t cnt;
4788         struct qla_hw_data *ha = vha->hw;
4789
4790         rval = QLA_SUCCESS;
4791         icb = (struct init_cb_24xx *)ha->init_cb;
4792         nv = ha->nvram;
4793
4794         /* Determine NVRAM starting address. */
4795         if (ha->flags.port0) {
4796                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4797                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4798         } else {
4799                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4800                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4801         }
4802         ha->nvram_size = sizeof(struct nvram_24xx);
4803         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4804
4805         /* Get VPD data into cache */
4806         ha->vpd = ha->nvram + VPD_OFFSET;
4807         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4808             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4809
4810         /* Get NVRAM data into cache and calculate checksum. */
4811         dptr = (uint32_t *)nv;
4812         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4813             ha->nvram_size);
4814         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4815                 chksum += le32_to_cpu(*dptr++);
4816
4817         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4818             "Contents of NVRAM\n");
4819         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4820             (uint8_t *)nv, ha->nvram_size);
4821
4822         /* Bad NVRAM data, set defaults parameters. */
4823         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4824             || nv->id[3] != ' ' ||
4825             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4826                 /* Reset NVRAM data. */
4827                 ql_log(ql_log_warn, vha, 0x006b,
4828                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
4829                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4830                 ql_log(ql_log_warn, vha, 0x006c,
4831                     "Falling back to functioning (yet invalid -- WWPN) "
4832                     "defaults.\n");
4833
4834                 /*
4835                  * Set default initialization control block.
4836                  */
4837                 memset(nv, 0, ha->nvram_size);
4838                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4839                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4840                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4841                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4842                 nv->exchange_count = __constant_cpu_to_le16(0);
4843                 nv->hard_address = __constant_cpu_to_le16(124);
4844                 nv->port_name[0] = 0x21;
4845                 nv->port_name[1] = 0x00 + ha->port_no;
4846                 nv->port_name[2] = 0x00;
4847                 nv->port_name[3] = 0xe0;
4848                 nv->port_name[4] = 0x8b;
4849                 nv->port_name[5] = 0x1c;
4850                 nv->port_name[6] = 0x55;
4851                 nv->port_name[7] = 0x86;
4852                 nv->node_name[0] = 0x20;
4853                 nv->node_name[1] = 0x00;
4854                 nv->node_name[2] = 0x00;
4855                 nv->node_name[3] = 0xe0;
4856                 nv->node_name[4] = 0x8b;
4857                 nv->node_name[5] = 0x1c;
4858                 nv->node_name[6] = 0x55;
4859                 nv->node_name[7] = 0x86;
4860                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4861                 nv->login_retry_count = __constant_cpu_to_le16(8);
4862                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4863                 nv->login_timeout = __constant_cpu_to_le16(0);
4864                 nv->firmware_options_1 =
4865                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4866                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4867                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4868                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4869                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4870                 nv->efi_parameters = __constant_cpu_to_le32(0);
4871                 nv->reset_delay = 5;
4872                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4873                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4874                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4875
4876                 rval = 1;
4877         }
4878
4879         if (!qla_ini_mode_enabled(vha)) {
4880                 /* Don't enable full login after initial LIP */
4881                 nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
4882                 /* Don't enable LIP full login for initiator */
4883                 nv->host_p &= __constant_cpu_to_le32(~BIT_10);
4884         }
4885
4886         qlt_24xx_config_nvram_stage1(vha, nv);
4887
4888         /* Reset Initialization control block */
4889         memset(icb, 0, ha->init_cb_size);
4890
4891         /* Copy 1st segment. */
4892         dptr1 = (uint8_t *)icb;
4893         dptr2 = (uint8_t *)&nv->version;
4894         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4895         while (cnt--)
4896                 *dptr1++ = *dptr2++;
4897
4898         icb->login_retry_count = nv->login_retry_count;
4899         icb->link_down_on_nos = nv->link_down_on_nos;
4900
4901         /* Copy 2nd segment. */
4902         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4903         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4904         cnt = (uint8_t *)&icb->reserved_3 -
4905             (uint8_t *)&icb->interrupt_delay_timer;
4906         while (cnt--)
4907                 *dptr1++ = *dptr2++;
4908
4909         /*
4910          * Setup driver NVRAM options.
4911          */
4912         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4913             "QLA2462");
4914
4915         qlt_24xx_config_nvram_stage2(vha, icb);
4916
4917         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4918                 /* Use alternate WWN? */
4919                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4920                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4921         }
4922
4923         /* Prepare nodename */
4924         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4925                 /*
4926                  * Firmware will apply the following mask if the nodename was
4927                  * not provided.
4928                  */
4929                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4930                 icb->node_name[0] &= 0xF0;
4931         }
4932
4933         /* Set host adapter parameters. */
4934         ha->flags.disable_risc_code_load = 0;
4935         ha->flags.enable_lip_reset = 0;
4936         ha->flags.enable_lip_full_login =
4937             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4938         ha->flags.enable_target_reset =
4939             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4940         ha->flags.enable_led_scheme = 0;
4941         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4942
4943         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4944             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4945
4946         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4947             sizeof(ha->fw_seriallink_options24));
4948
4949         /* save HBA serial number */
4950         ha->serial0 = icb->port_name[5];
4951         ha->serial1 = icb->port_name[6];
4952         ha->serial2 = icb->port_name[7];
4953         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4954         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4955
4956         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4957
4958         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4959
4960         /* Set minimum login_timeout to 4 seconds. */
4961         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4962                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4963         if (le16_to_cpu(nv->login_timeout) < 4)
4964                 nv->login_timeout = __constant_cpu_to_le16(4);
4965         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4966         icb->login_timeout = nv->login_timeout;
4967
4968         /* Set minimum RATOV to 100 tenths of a second. */
4969         ha->r_a_tov = 100;
4970
4971         ha->loop_reset_delay = nv->reset_delay;
4972
4973         /* Link Down Timeout = 0:
4974          *
4975          *      When Port Down timer expires we will start returning
4976          *      I/O's to OS with "DID_NO_CONNECT".
4977          *
4978          * Link Down Timeout != 0:
4979          *
4980          *       The driver waits for the link to come up after link down
4981          *       before returning I/Os to OS with "DID_NO_CONNECT".
4982          */
4983         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4984                 ha->loop_down_abort_time =
4985                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4986         } else {
4987                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4988                 ha->loop_down_abort_time =
4989                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4990         }
4991
4992         /* Need enough time to try and get the port back. */
4993         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4994         if (qlport_down_retry)
4995                 ha->port_down_retry_count = qlport_down_retry;
4996
4997         /* Set login_retry_count */
4998         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4999         if (ha->port_down_retry_count ==
5000             le16_to_cpu(nv->port_down_retry_count) &&
5001             ha->port_down_retry_count > 3)
5002                 ha->login_retry_count = ha->port_down_retry_count;
5003         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5004                 ha->login_retry_count = ha->port_down_retry_count;
5005         if (ql2xloginretrycount)
5006                 ha->login_retry_count = ql2xloginretrycount;
5007
5008         /* Enable ZIO. */
5009         if (!vha->flags.init_done) {
5010                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5011                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5012                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5013                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5014         }
5015         icb->firmware_options_2 &= __constant_cpu_to_le32(
5016             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5017         vha->flags.process_response_queue = 0;
5018         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5019                 ha->zio_mode = QLA_ZIO_MODE_6;
5020
5021                 ql_log(ql_log_info, vha, 0x006f,
5022                     "ZIO mode %d enabled; timer delay (%d us).\n",
5023                     ha->zio_mode, ha->zio_timer * 100);
5024
5025                 icb->firmware_options_2 |= cpu_to_le32(
5026                     (uint32_t)ha->zio_mode);
5027                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5028                 vha->flags.process_response_queue = 1;
5029         }
5030
5031         if (rval) {
5032                 ql_log(ql_log_warn, vha, 0x0070,
5033                     "NVRAM configuration failed.\n");
5034         }
5035         return (rval);
5036 }
5037
5038 static int
5039 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5040     uint32_t faddr)
5041 {
5042         int     rval = QLA_SUCCESS;
5043         int     segments, fragment;
5044         uint32_t *dcode, dlen;
5045         uint32_t risc_addr;
5046         uint32_t risc_size;
5047         uint32_t i;
5048         struct qla_hw_data *ha = vha->hw;
5049         struct req_que *req = ha->req_q_map[0];
5050
5051         ql_dbg(ql_dbg_init, vha, 0x008b,
5052             "FW: Loading firmware from flash (%x).\n", faddr);
5053
5054         rval = QLA_SUCCESS;
5055
5056         segments = FA_RISC_CODE_SEGMENTS;
5057         dcode = (uint32_t *)req->ring;
5058         *srisc_addr = 0;
5059
5060         /* Validate firmware image by checking version. */
5061         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5062         for (i = 0; i < 4; i++)
5063                 dcode[i] = be32_to_cpu(dcode[i]);
5064         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5065             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5066             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5067                 dcode[3] == 0)) {
5068                 ql_log(ql_log_fatal, vha, 0x008c,
5069                     "Unable to verify the integrity of flash firmware "
5070                     "image.\n");
5071                 ql_log(ql_log_fatal, vha, 0x008d,
5072                     "Firmware data: %08x %08x %08x %08x.\n",
5073                     dcode[0], dcode[1], dcode[2], dcode[3]);
5074
5075                 return QLA_FUNCTION_FAILED;
5076         }
5077
5078         while (segments && rval == QLA_SUCCESS) {
5079                 /* Read segment's load information. */
5080                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5081
5082                 risc_addr = be32_to_cpu(dcode[2]);
5083                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5084                 risc_size = be32_to_cpu(dcode[3]);
5085
5086                 fragment = 0;
5087                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5088                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5089                         if (dlen > risc_size)
5090                                 dlen = risc_size;
5091
5092                         ql_dbg(ql_dbg_init, vha, 0x008e,
5093                             "Loading risc segment@ risc addr %x "
5094                             "number of dwords 0x%x offset 0x%x.\n",
5095                             risc_addr, dlen, faddr);
5096
5097                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5098                         for (i = 0; i < dlen; i++)
5099                                 dcode[i] = swab32(dcode[i]);
5100
5101                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5102                             dlen);
5103                         if (rval) {
5104                                 ql_log(ql_log_fatal, vha, 0x008f,
5105                                     "Failed to load segment %d of firmware.\n",
5106                                     fragment);
5107                                 break;
5108                         }
5109
5110                         faddr += dlen;
5111                         risc_addr += dlen;
5112                         risc_size -= dlen;
5113                         fragment++;
5114                 }
5115
5116                 /* Next segment. */
5117                 segments--;
5118         }
5119
5120         return rval;
5121 }
5122
5123 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5124
5125 int
5126 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5127 {
5128         int     rval;
5129         int     i, fragment;
5130         uint16_t *wcode, *fwcode;
5131         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5132         struct fw_blob *blob;
5133         struct qla_hw_data *ha = vha->hw;
5134         struct req_que *req = ha->req_q_map[0];
5135
5136         /* Load firmware blob. */
5137         blob = qla2x00_request_firmware(vha);
5138         if (!blob) {
5139                 ql_log(ql_log_info, vha, 0x0083,
5140                     "Fimware image unavailable.\n");
5141                 ql_log(ql_log_info, vha, 0x0084,
5142                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5143                 return QLA_FUNCTION_FAILED;
5144         }
5145
5146         rval = QLA_SUCCESS;
5147
5148         wcode = (uint16_t *)req->ring;
5149         *srisc_addr = 0;
5150         fwcode = (uint16_t *)blob->fw->data;
5151         fwclen = 0;
5152
5153         /* Validate firmware image by checking version. */
5154         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5155                 ql_log(ql_log_fatal, vha, 0x0085,
5156                     "Unable to verify integrity of firmware image (%Zd).\n",
5157                     blob->fw->size);
5158                 goto fail_fw_integrity;
5159         }
5160         for (i = 0; i < 4; i++)
5161                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5162         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5163             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5164                 wcode[2] == 0 && wcode[3] == 0)) {
5165                 ql_log(ql_log_fatal, vha, 0x0086,
5166                     "Unable to verify integrity of firmware image.\n");
5167                 ql_log(ql_log_fatal, vha, 0x0087,
5168                     "Firmware data: %04x %04x %04x %04x.\n",
5169                     wcode[0], wcode[1], wcode[2], wcode[3]);
5170                 goto fail_fw_integrity;
5171         }
5172
5173         seg = blob->segs;
5174         while (*seg && rval == QLA_SUCCESS) {
5175                 risc_addr = *seg;
5176                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5177                 risc_size = be16_to_cpu(fwcode[3]);
5178
5179                 /* Validate firmware image size. */
5180                 fwclen += risc_size * sizeof(uint16_t);
5181                 if (blob->fw->size < fwclen) {
5182                         ql_log(ql_log_fatal, vha, 0x0088,
5183                             "Unable to verify integrity of firmware image "
5184                             "(%Zd).\n", blob->fw->size);
5185                         goto fail_fw_integrity;
5186                 }
5187
5188                 fragment = 0;
5189                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5190                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5191                         if (wlen > risc_size)
5192                                 wlen = risc_size;
5193                         ql_dbg(ql_dbg_init, vha, 0x0089,
5194                             "Loading risc segment@ risc addr %x number of "
5195                             "words 0x%x.\n", risc_addr, wlen);
5196
5197                         for (i = 0; i < wlen; i++)
5198                                 wcode[i] = swab16(fwcode[i]);
5199
5200                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5201                             wlen);
5202                         if (rval) {
5203                                 ql_log(ql_log_fatal, vha, 0x008a,
5204                                     "Failed to load segment %d of firmware.\n",
5205                                     fragment);
5206                                 break;
5207                         }
5208
5209                         fwcode += wlen;
5210                         risc_addr += wlen;
5211                         risc_size -= wlen;
5212                         fragment++;
5213                 }
5214
5215                 /* Next segment. */
5216                 seg++;
5217         }
5218         return rval;
5219
5220 fail_fw_integrity:
5221         return QLA_FUNCTION_FAILED;
5222 }
5223
5224 static int
5225 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5226 {
5227         int     rval;
5228         int     segments, fragment;
5229         uint32_t *dcode, dlen;
5230         uint32_t risc_addr;
5231         uint32_t risc_size;
5232         uint32_t i;
5233         struct fw_blob *blob;
5234         uint32_t *fwcode, fwclen;
5235         struct qla_hw_data *ha = vha->hw;
5236         struct req_que *req = ha->req_q_map[0];
5237
5238         /* Load firmware blob. */
5239         blob = qla2x00_request_firmware(vha);
5240         if (!blob) {
5241                 ql_log(ql_log_warn, vha, 0x0090,
5242                     "Fimware image unavailable.\n");
5243                 ql_log(ql_log_warn, vha, 0x0091,
5244                     "Firmware images can be retrieved from: "
5245                     QLA_FW_URL ".\n");
5246
5247                 return QLA_FUNCTION_FAILED;
5248         }
5249
5250         ql_dbg(ql_dbg_init, vha, 0x0092,
5251             "FW: Loading via request-firmware.\n");
5252
5253         rval = QLA_SUCCESS;
5254
5255         segments = FA_RISC_CODE_SEGMENTS;
5256         dcode = (uint32_t *)req->ring;
5257         *srisc_addr = 0;
5258         fwcode = (uint32_t *)blob->fw->data;
5259         fwclen = 0;
5260
5261         /* Validate firmware image by checking version. */
5262         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5263                 ql_log(ql_log_fatal, vha, 0x0093,
5264                     "Unable to verify integrity of firmware image (%Zd).\n",
5265                     blob->fw->size);
5266                 goto fail_fw_integrity;
5267         }
5268         for (i = 0; i < 4; i++)
5269                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5270         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5271             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5272             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5273                 dcode[3] == 0)) {
5274                 ql_log(ql_log_fatal, vha, 0x0094,
5275                     "Unable to verify integrity of firmware image (%Zd).\n",
5276                     blob->fw->size);
5277                 ql_log(ql_log_fatal, vha, 0x0095,
5278                     "Firmware data: %08x %08x %08x %08x.\n",
5279                     dcode[0], dcode[1], dcode[2], dcode[3]);
5280                 goto fail_fw_integrity;
5281         }
5282
5283         while (segments && rval == QLA_SUCCESS) {
5284                 risc_addr = be32_to_cpu(fwcode[2]);
5285                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5286                 risc_size = be32_to_cpu(fwcode[3]);
5287
5288                 /* Validate firmware image size. */
5289                 fwclen += risc_size * sizeof(uint32_t);
5290                 if (blob->fw->size < fwclen) {
5291                         ql_log(ql_log_fatal, vha, 0x0096,
5292                             "Unable to verify integrity of firmware image "
5293                             "(%Zd).\n", blob->fw->size);
5294
5295                         goto fail_fw_integrity;
5296                 }
5297
5298                 fragment = 0;
5299                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5300                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5301                         if (dlen > risc_size)
5302                                 dlen = risc_size;
5303
5304                         ql_dbg(ql_dbg_init, vha, 0x0097,
5305                             "Loading risc segment@ risc addr %x "
5306                             "number of dwords 0x%x.\n", risc_addr, dlen);
5307
5308                         for (i = 0; i < dlen; i++)
5309                                 dcode[i] = swab32(fwcode[i]);
5310
5311                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5312                             dlen);
5313                         if (rval) {
5314                                 ql_log(ql_log_fatal, vha, 0x0098,
5315                                     "Failed to load segment %d of firmware.\n",
5316                                     fragment);
5317                                 break;
5318                         }
5319
5320                         fwcode += dlen;
5321                         risc_addr += dlen;
5322                         risc_size -= dlen;
5323                         fragment++;
5324                 }
5325
5326                 /* Next segment. */
5327                 segments--;
5328         }
5329         return rval;
5330
5331 fail_fw_integrity:
5332         return QLA_FUNCTION_FAILED;
5333 }
5334
5335 int
5336 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5337 {
5338         int rval;
5339
5340         if (ql2xfwloadbin == 1)
5341                 return qla81xx_load_risc(vha, srisc_addr);
5342
5343         /*
5344          * FW Load priority:
5345          * 1) Firmware via request-firmware interface (.bin file).
5346          * 2) Firmware residing in flash.
5347          */
5348         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5349         if (rval == QLA_SUCCESS)
5350                 return rval;
5351
5352         return qla24xx_load_risc_flash(vha, srisc_addr,
5353             vha->hw->flt_region_fw);
5354 }
5355
5356 int
5357 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5358 {
5359         int rval;
5360         struct qla_hw_data *ha = vha->hw;
5361
5362         if (ql2xfwloadbin == 2)
5363                 goto try_blob_fw;
5364
5365         /*
5366          * FW Load priority:
5367          * 1) Firmware residing in flash.
5368          * 2) Firmware via request-firmware interface (.bin file).
5369          * 3) Golden-Firmware residing in flash -- limited operation.
5370          */
5371         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5372         if (rval == QLA_SUCCESS)
5373                 return rval;
5374
5375 try_blob_fw:
5376         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5377         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5378                 return rval;
5379
5380         ql_log(ql_log_info, vha, 0x0099,
5381             "Attempting to fallback to golden firmware.\n");
5382         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5383         if (rval != QLA_SUCCESS)
5384                 return rval;
5385
5386         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5387         ha->flags.running_gold_fw = 1;
5388         return rval;
5389 }
5390
5391 void
5392 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5393 {
5394         int ret, retries;
5395         struct qla_hw_data *ha = vha->hw;
5396
5397         if (ha->flags.pci_channel_io_perm_failure)
5398                 return;
5399         if (!IS_FWI2_CAPABLE(ha))
5400                 return;
5401         if (!ha->fw_major_version)
5402                 return;
5403
5404         ret = qla2x00_stop_firmware(vha);
5405         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5406             ret != QLA_INVALID_COMMAND && retries ; retries--) {
5407                 ha->isp_ops->reset_chip(vha);
5408                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5409                         continue;
5410                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5411                         continue;
5412                 ql_log(ql_log_info, vha, 0x8015,
5413                     "Attempting retry of stop-firmware command.\n");
5414                 ret = qla2x00_stop_firmware(vha);
5415         }
5416 }
5417
5418 int
5419 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5420 {
5421         int rval = QLA_SUCCESS;
5422         int rval2;
5423         uint16_t mb[MAILBOX_REGISTER_COUNT];
5424         struct qla_hw_data *ha = vha->hw;
5425         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5426         struct req_que *req;
5427         struct rsp_que *rsp;
5428
5429         if (!vha->vp_idx)
5430                 return -EINVAL;
5431
5432         rval = qla2x00_fw_ready(base_vha);
5433         if (ha->flags.cpu_affinity_enabled)
5434                 req = ha->req_q_map[0];
5435         else
5436                 req = vha->req;
5437         rsp = req->rsp;
5438
5439         if (rval == QLA_SUCCESS) {
5440                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5441                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5442         }
5443
5444         vha->flags.management_server_logged_in = 0;
5445
5446         /* Login to SNS first */
5447         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5448             BIT_1);
5449         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5450                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5451                         ql_dbg(ql_dbg_init, vha, 0x0120,
5452                             "Failed SNS login: loop_id=%x, rval2=%d\n",
5453                             NPH_SNS, rval2);
5454                 else
5455                         ql_dbg(ql_dbg_init, vha, 0x0103,
5456                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5457                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5458                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5459                 return (QLA_FUNCTION_FAILED);
5460         }
5461
5462         atomic_set(&vha->loop_down_timer, 0);
5463         atomic_set(&vha->loop_state, LOOP_UP);
5464         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5465         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5466         rval = qla2x00_loop_resync(base_vha);
5467
5468         return rval;
5469 }
5470
5471 /* 84XX Support **************************************************************/
5472
5473 static LIST_HEAD(qla_cs84xx_list);
5474 static DEFINE_MUTEX(qla_cs84xx_mutex);
5475
5476 static struct qla_chip_state_84xx *
5477 qla84xx_get_chip(struct scsi_qla_host *vha)
5478 {
5479         struct qla_chip_state_84xx *cs84xx;
5480         struct qla_hw_data *ha = vha->hw;
5481
5482         mutex_lock(&qla_cs84xx_mutex);
5483
5484         /* Find any shared 84xx chip. */
5485         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5486                 if (cs84xx->bus == ha->pdev->bus) {
5487                         kref_get(&cs84xx->kref);
5488                         goto done;
5489                 }
5490         }
5491
5492         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5493         if (!cs84xx)
5494                 goto done;
5495
5496         kref_init(&cs84xx->kref);
5497         spin_lock_init(&cs84xx->access_lock);
5498         mutex_init(&cs84xx->fw_update_mutex);
5499         cs84xx->bus = ha->pdev->bus;
5500
5501         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5502 done:
5503         mutex_unlock(&qla_cs84xx_mutex);
5504         return cs84xx;
5505 }
5506
5507 static void
5508 __qla84xx_chip_release(struct kref *kref)
5509 {
5510         struct qla_chip_state_84xx *cs84xx =
5511             container_of(kref, struct qla_chip_state_84xx, kref);
5512
5513         mutex_lock(&qla_cs84xx_mutex);
5514         list_del(&cs84xx->list);
5515         mutex_unlock(&qla_cs84xx_mutex);
5516         kfree(cs84xx);
5517 }
5518
5519 void
5520 qla84xx_put_chip(struct scsi_qla_host *vha)
5521 {
5522         struct qla_hw_data *ha = vha->hw;
5523         if (ha->cs84xx)
5524                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5525 }
5526
5527 static int
5528 qla84xx_init_chip(scsi_qla_host_t *vha)
5529 {
5530         int rval;
5531         uint16_t status[2];
5532         struct qla_hw_data *ha = vha->hw;
5533
5534         mutex_lock(&ha->cs84xx->fw_update_mutex);
5535
5536         rval = qla84xx_verify_chip(vha, status);
5537
5538         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5539
5540         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5541             QLA_SUCCESS;
5542 }
5543
5544 /* 81XX Support **************************************************************/
5545
5546 int
5547 qla81xx_nvram_config(scsi_qla_host_t *vha)
5548 {
5549         int   rval;
5550         struct init_cb_81xx *icb;
5551         struct nvram_81xx *nv;
5552         uint32_t *dptr;
5553         uint8_t  *dptr1, *dptr2;
5554         uint32_t chksum;
5555         uint16_t cnt;
5556         struct qla_hw_data *ha = vha->hw;
5557
5558         rval = QLA_SUCCESS;
5559         icb = (struct init_cb_81xx *)ha->init_cb;
5560         nv = ha->nvram;
5561
5562         /* Determine NVRAM starting address. */
5563         ha->nvram_size = sizeof(struct nvram_81xx);
5564         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5565         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
5566                 ha->vpd_size = FA_VPD_SIZE_82XX;
5567
5568         /* Get VPD data into cache */
5569         ha->vpd = ha->nvram + VPD_OFFSET;
5570         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5571             ha->vpd_size);
5572
5573         /* Get NVRAM data into cache and calculate checksum. */
5574         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5575             ha->nvram_size);
5576         dptr = (uint32_t *)nv;
5577         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5578                 chksum += le32_to_cpu(*dptr++);
5579
5580         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5581             "Contents of NVRAM:\n");
5582         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5583             (uint8_t *)nv, ha->nvram_size);
5584
5585         /* Bad NVRAM data, set defaults parameters. */
5586         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5587             || nv->id[3] != ' ' ||
5588             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5589                 /* Reset NVRAM data. */
5590                 ql_log(ql_log_info, vha, 0x0073,
5591                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5592                     "version=0x%x.\n", chksum, nv->id[0],
5593                     le16_to_cpu(nv->nvram_version));
5594                 ql_log(ql_log_info, vha, 0x0074,
5595                     "Falling back to functioning (yet invalid -- WWPN) "
5596                     "defaults.\n");
5597
5598                 /*
5599                  * Set default initialization control block.
5600                  */
5601                 memset(nv, 0, ha->nvram_size);
5602                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5603                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5604                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5605                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5606                 nv->exchange_count = __constant_cpu_to_le16(0);
5607                 nv->port_name[0] = 0x21;
5608                 nv->port_name[1] = 0x00 + ha->port_no;
5609                 nv->port_name[2] = 0x00;
5610                 nv->port_name[3] = 0xe0;
5611                 nv->port_name[4] = 0x8b;
5612                 nv->port_name[5] = 0x1c;
5613                 nv->port_name[6] = 0x55;
5614                 nv->port_name[7] = 0x86;
5615                 nv->node_name[0] = 0x20;
5616                 nv->node_name[1] = 0x00;
5617                 nv->node_name[2] = 0x00;
5618                 nv->node_name[3] = 0xe0;
5619                 nv->node_name[4] = 0x8b;
5620                 nv->node_name[5] = 0x1c;
5621                 nv->node_name[6] = 0x55;
5622                 nv->node_name[7] = 0x86;
5623                 nv->login_retry_count = __constant_cpu_to_le16(8);
5624                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5625                 nv->login_timeout = __constant_cpu_to_le16(0);
5626                 nv->firmware_options_1 =
5627                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5628                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5629                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5630                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5631                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5632                 nv->efi_parameters = __constant_cpu_to_le32(0);
5633                 nv->reset_delay = 5;
5634                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5635                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5636                 nv->link_down_timeout = __constant_cpu_to_le16(180);
5637                 nv->enode_mac[0] = 0x00;
5638                 nv->enode_mac[1] = 0xC0;
5639                 nv->enode_mac[2] = 0xDD;
5640                 nv->enode_mac[3] = 0x04;
5641                 nv->enode_mac[4] = 0x05;
5642                 nv->enode_mac[5] = 0x06 + ha->port_no;
5643
5644                 rval = 1;
5645         }
5646
5647         if (IS_T10_PI_CAPABLE(ha))
5648                 nv->frame_payload_size &= ~7;
5649
5650         qlt_81xx_config_nvram_stage1(vha, nv);
5651
5652         /* Reset Initialization control block */
5653         memset(icb, 0, ha->init_cb_size);
5654
5655         /* Copy 1st segment. */
5656         dptr1 = (uint8_t *)icb;
5657         dptr2 = (uint8_t *)&nv->version;
5658         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5659         while (cnt--)
5660                 *dptr1++ = *dptr2++;
5661
5662         icb->login_retry_count = nv->login_retry_count;
5663
5664         /* Copy 2nd segment. */
5665         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5666         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5667         cnt = (uint8_t *)&icb->reserved_5 -
5668             (uint8_t *)&icb->interrupt_delay_timer;
5669         while (cnt--)
5670                 *dptr1++ = *dptr2++;
5671
5672         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5673         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5674         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5675                 icb->enode_mac[0] = 0x00;
5676                 icb->enode_mac[1] = 0xC0;
5677                 icb->enode_mac[2] = 0xDD;
5678                 icb->enode_mac[3] = 0x04;
5679                 icb->enode_mac[4] = 0x05;
5680                 icb->enode_mac[5] = 0x06 + ha->port_no;
5681         }
5682
5683         /* Use extended-initialization control block. */
5684         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5685
5686         /*
5687          * Setup driver NVRAM options.
5688          */
5689         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5690             "QLE8XXX");
5691
5692         qlt_81xx_config_nvram_stage2(vha, icb);
5693
5694         /* Use alternate WWN? */
5695         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5696                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5697                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5698         }
5699
5700         /* Prepare nodename */
5701         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5702                 /*
5703                  * Firmware will apply the following mask if the nodename was
5704                  * not provided.
5705                  */
5706                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5707                 icb->node_name[0] &= 0xF0;
5708         }
5709
5710         /* Set host adapter parameters. */
5711         ha->flags.disable_risc_code_load = 0;
5712         ha->flags.enable_lip_reset = 0;
5713         ha->flags.enable_lip_full_login =
5714             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5715         ha->flags.enable_target_reset =
5716             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5717         ha->flags.enable_led_scheme = 0;
5718         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5719
5720         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5721             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5722
5723         /* save HBA serial number */
5724         ha->serial0 = icb->port_name[5];
5725         ha->serial1 = icb->port_name[6];
5726         ha->serial2 = icb->port_name[7];
5727         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5728         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5729
5730         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5731
5732         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5733
5734         /* Set minimum login_timeout to 4 seconds. */
5735         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5736                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5737         if (le16_to_cpu(nv->login_timeout) < 4)
5738                 nv->login_timeout = __constant_cpu_to_le16(4);
5739         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5740         icb->login_timeout = nv->login_timeout;
5741
5742         /* Set minimum RATOV to 100 tenths of a second. */
5743         ha->r_a_tov = 100;
5744
5745         ha->loop_reset_delay = nv->reset_delay;
5746
5747         /* Link Down Timeout = 0:
5748          *
5749          *      When Port Down timer expires we will start returning
5750          *      I/O's to OS with "DID_NO_CONNECT".
5751          *
5752          * Link Down Timeout != 0:
5753          *
5754          *       The driver waits for the link to come up after link down
5755          *       before returning I/Os to OS with "DID_NO_CONNECT".
5756          */
5757         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5758                 ha->loop_down_abort_time =
5759                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5760         } else {
5761                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5762                 ha->loop_down_abort_time =
5763                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5764         }
5765
5766         /* Need enough time to try and get the port back. */
5767         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5768         if (qlport_down_retry)
5769                 ha->port_down_retry_count = qlport_down_retry;
5770
5771         /* Set login_retry_count */
5772         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5773         if (ha->port_down_retry_count ==
5774             le16_to_cpu(nv->port_down_retry_count) &&
5775             ha->port_down_retry_count > 3)
5776                 ha->login_retry_count = ha->port_down_retry_count;
5777         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5778                 ha->login_retry_count = ha->port_down_retry_count;
5779         if (ql2xloginretrycount)
5780                 ha->login_retry_count = ql2xloginretrycount;
5781
5782         /* if not running MSI-X we need handshaking on interrupts */
5783         if (!vha->hw->flags.msix_enabled && IS_QLA83XX(ha))
5784                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22);
5785
5786         /* Enable ZIO. */
5787         if (!vha->flags.init_done) {
5788                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5789                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5790                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5791                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5792         }
5793         icb->firmware_options_2 &= __constant_cpu_to_le32(
5794             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5795         vha->flags.process_response_queue = 0;
5796         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5797                 ha->zio_mode = QLA_ZIO_MODE_6;
5798
5799                 ql_log(ql_log_info, vha, 0x0075,
5800                     "ZIO mode %d enabled; timer delay (%d us).\n",
5801                     ha->zio_mode,
5802                     ha->zio_timer * 100);
5803
5804                 icb->firmware_options_2 |= cpu_to_le32(
5805                     (uint32_t)ha->zio_mode);
5806                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5807                 vha->flags.process_response_queue = 1;
5808         }
5809
5810         if (rval) {
5811                 ql_log(ql_log_warn, vha, 0x0076,
5812                     "NVRAM configuration failed.\n");
5813         }
5814         return (rval);
5815 }
5816
5817 int
5818 qla82xx_restart_isp(scsi_qla_host_t *vha)
5819 {
5820         int status, rval;
5821         uint32_t wait_time;
5822         struct qla_hw_data *ha = vha->hw;
5823         struct req_que *req = ha->req_q_map[0];
5824         struct rsp_que *rsp = ha->rsp_q_map[0];
5825         struct scsi_qla_host *vp;
5826         unsigned long flags;
5827
5828         status = qla2x00_init_rings(vha);
5829         if (!status) {
5830                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5831                 ha->flags.chip_reset_done = 1;
5832
5833                 status = qla2x00_fw_ready(vha);
5834                 if (!status) {
5835                         ql_log(ql_log_info, vha, 0x803c,
5836                             "Start configure loop, status =%d.\n", status);
5837
5838                         /* Issue a marker after FW becomes ready. */
5839                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5840
5841                         vha->flags.online = 1;
5842                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5843                         wait_time = 256;
5844                         do {
5845                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5846                                 qla2x00_configure_loop(vha);
5847                                 wait_time--;
5848                         } while (!atomic_read(&vha->loop_down_timer) &&
5849                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5850                             wait_time &&
5851                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5852                 }
5853
5854                 /* if no cable then assume it's good */
5855                 if ((vha->device_flags & DFLG_NO_CABLE))
5856                         status = 0;
5857
5858                 ql_log(ql_log_info, vha, 0x8000,
5859                     "Configure loop done, status = 0x%x.\n", status);
5860         }
5861
5862         if (!status) {
5863                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5864
5865                 if (!atomic_read(&vha->loop_down_timer)) {
5866                         /*
5867                          * Issue marker command only when we are going
5868                          * to start the I/O .
5869                          */
5870                         vha->marker_needed = 1;
5871                 }
5872
5873                 vha->flags.online = 1;
5874
5875                 ha->isp_ops->enable_intrs(ha);
5876
5877                 ha->isp_abort_cnt = 0;
5878                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5879
5880                 /* Update the firmware version */
5881                 status = qla82xx_check_md_needed(vha);
5882
5883                 if (ha->fce) {
5884                         ha->flags.fce_enabled = 1;
5885                         memset(ha->fce, 0,
5886                             fce_calc_size(ha->fce_bufs));
5887                         rval = qla2x00_enable_fce_trace(vha,
5888                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5889                             &ha->fce_bufs);
5890                         if (rval) {
5891                                 ql_log(ql_log_warn, vha, 0x8001,
5892                                     "Unable to reinitialize FCE (%d).\n",
5893                                     rval);
5894                                 ha->flags.fce_enabled = 0;
5895                         }
5896                 }
5897
5898                 if (ha->eft) {
5899                         memset(ha->eft, 0, EFT_SIZE);
5900                         rval = qla2x00_enable_eft_trace(vha,
5901                             ha->eft_dma, EFT_NUM_BUFFERS);
5902                         if (rval) {
5903                                 ql_log(ql_log_warn, vha, 0x8010,
5904                                     "Unable to reinitialize EFT (%d).\n",
5905                                     rval);
5906                         }
5907                 }
5908         }
5909
5910         if (!status) {
5911                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
5912                     "qla82xx_restart_isp succeeded.\n");
5913
5914                 spin_lock_irqsave(&ha->vport_slock, flags);
5915                 list_for_each_entry(vp, &ha->vp_list, list) {
5916                         if (vp->vp_idx) {
5917                                 atomic_inc(&vp->vref_count);
5918                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5919
5920                                 qla2x00_vp_abort_isp(vp);
5921
5922                                 spin_lock_irqsave(&ha->vport_slock, flags);
5923                                 atomic_dec(&vp->vref_count);
5924                         }
5925                 }
5926                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5927
5928         } else {
5929                 ql_log(ql_log_warn, vha, 0x8016,
5930                     "qla82xx_restart_isp **** FAILED ****.\n");
5931         }
5932
5933         return status;
5934 }
5935
5936 void
5937 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5938 {
5939         struct qla_hw_data *ha = vha->hw;
5940
5941         if (!ql2xetsenable)
5942                 return;
5943
5944         /* Enable ETS Burst. */
5945         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5946         ha->fw_options[2] |= BIT_9;
5947         qla2x00_set_fw_options(vha, ha->fw_options);
5948 }
5949
5950 /*
5951  * qla24xx_get_fcp_prio
5952  *      Gets the fcp cmd priority value for the logged in port.
5953  *      Looks for a match of the port descriptors within
5954  *      each of the fcp prio config entries. If a match is found,
5955  *      the tag (priority) value is returned.
5956  *
5957  * Input:
5958  *      vha = scsi host structure pointer.
5959  *      fcport = port structure pointer.
5960  *
5961  * Return:
5962  *      non-zero (if found)
5963  *      -1 (if not found)
5964  *
5965  * Context:
5966  *      Kernel context
5967  */
5968 static int
5969 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5970 {
5971         int i, entries;
5972         uint8_t pid_match, wwn_match;
5973         int priority;
5974         uint32_t pid1, pid2;
5975         uint64_t wwn1, wwn2;
5976         struct qla_fcp_prio_entry *pri_entry;
5977         struct qla_hw_data *ha = vha->hw;
5978
5979         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5980                 return -1;
5981
5982         priority = -1;
5983         entries = ha->fcp_prio_cfg->num_entries;
5984         pri_entry = &ha->fcp_prio_cfg->entry[0];
5985
5986         for (i = 0; i < entries; i++) {
5987                 pid_match = wwn_match = 0;
5988
5989                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5990                         pri_entry++;
5991                         continue;
5992                 }
5993
5994                 /* check source pid for a match */
5995                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5996                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5997                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5998                         if (pid1 == INVALID_PORT_ID)
5999                                 pid_match++;
6000                         else if (pid1 == pid2)
6001                                 pid_match++;
6002                 }
6003
6004                 /* check destination pid for a match */
6005                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
6006                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
6007                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
6008                         if (pid1 == INVALID_PORT_ID)
6009                                 pid_match++;
6010                         else if (pid1 == pid2)
6011                                 pid_match++;
6012                 }
6013
6014                 /* check source WWN for a match */
6015                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6016                         wwn1 = wwn_to_u64(vha->port_name);
6017                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6018                         if (wwn2 == (uint64_t)-1)
6019                                 wwn_match++;
6020                         else if (wwn1 == wwn2)
6021                                 wwn_match++;
6022                 }
6023
6024                 /* check destination WWN for a match */
6025                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6026                         wwn1 = wwn_to_u64(fcport->port_name);
6027                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6028                         if (wwn2 == (uint64_t)-1)
6029                                 wwn_match++;
6030                         else if (wwn1 == wwn2)
6031                                 wwn_match++;
6032                 }
6033
6034                 if (pid_match == 2 || wwn_match == 2) {
6035                         /* Found a matching entry */
6036                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6037                                 priority = pri_entry->tag;
6038                         break;
6039                 }
6040
6041                 pri_entry++;
6042         }
6043
6044         return priority;
6045 }
6046
6047 /*
6048  * qla24xx_update_fcport_fcp_prio
6049  *      Activates fcp priority for the logged in fc port
6050  *
6051  * Input:
6052  *      vha = scsi host structure pointer.
6053  *      fcp = port structure pointer.
6054  *
6055  * Return:
6056  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6057  *
6058  * Context:
6059  *      Kernel context.
6060  */
6061 int
6062 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6063 {
6064         int ret;
6065         int priority;
6066         uint16_t mb[5];
6067
6068         if (fcport->port_type != FCT_TARGET ||
6069             fcport->loop_id == FC_NO_LOOP_ID)
6070                 return QLA_FUNCTION_FAILED;
6071
6072         priority = qla24xx_get_fcp_prio(vha, fcport);
6073         if (priority < 0)
6074                 return QLA_FUNCTION_FAILED;
6075
6076         if (IS_P3P_TYPE(vha->hw)) {
6077                 fcport->fcp_prio = priority & 0xf;
6078                 return QLA_SUCCESS;
6079         }
6080
6081         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6082         if (ret == QLA_SUCCESS) {
6083                 if (fcport->fcp_prio != priority)
6084                         ql_dbg(ql_dbg_user, vha, 0x709e,
6085                             "Updated FCP_CMND priority - value=%d loop_id=%d "
6086                             "port_id=%02x%02x%02x.\n", priority,
6087                             fcport->loop_id, fcport->d_id.b.domain,
6088                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6089                 fcport->fcp_prio = priority & 0xf;
6090         } else
6091                 ql_dbg(ql_dbg_user, vha, 0x704f,
6092                     "Unable to update FCP_CMND priority - ret=0x%x for "
6093                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6094                     fcport->d_id.b.domain, fcport->d_id.b.area,
6095                     fcport->d_id.b.al_pa);
6096         return  ret;
6097 }
6098
6099 /*
6100  * qla24xx_update_all_fcp_prio
6101  *      Activates fcp priority for all the logged in ports
6102  *
6103  * Input:
6104  *      ha = adapter block pointer.
6105  *
6106  * Return:
6107  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6108  *
6109  * Context:
6110  *      Kernel context.
6111  */
6112 int
6113 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6114 {
6115         int ret;
6116         fc_port_t *fcport;
6117
6118         ret = QLA_FUNCTION_FAILED;
6119         /* We need to set priority for all logged in ports */
6120         list_for_each_entry(fcport, &vha->vp_fcports, list)
6121                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6122
6123         return ret;
6124 }