drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2012 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_init_rings(scsi_qla_host_t *);
  29 static int qla2x00_fw_ready(scsi_qla_host_t *);
  30 static int qla2x00_configure_hba(scsi_qla_host_t *);
  31 static int qla2x00_configure_loop(scsi_qla_host_t *);
  32 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  33 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  34 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
  35 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
  36     uint16_t *);
  37
  38 static int qla2x00_restart_isp(scsi_qla_host_t *);
  39
  40 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  41 static int qla84xx_init_chip(scsi_qla_host_t *);
  42 static int qla25xx_init_queues(struct qla_hw_data *);
  43
  44 /* SRB Extensions ---------------------------------------------------------- */
  45
  46 void
  47 qla2x00_sp_timeout(unsigned long __data)
  48 {
  49         srb_t *sp = (srb_t *)__data;
  50         struct srb_iocb *iocb;
  51         fc_port_t *fcport = sp->fcport;
  52         struct qla_hw_data *ha = fcport->vha->hw;
  53         struct req_que *req;
  54         unsigned long flags;
  55
  56         spin_lock_irqsave(&ha->hardware_lock, flags);
  57         req = ha->req_q_map[0];
  58         req->outstanding_cmds[sp->handle] = NULL;
  59         iocb = &sp->u.iocb_cmd;
  60         iocb->timeout(sp);
  61         sp->free(fcport->vha, sp);
  62         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  63 }
  64
  65 void
  66 qla2x00_sp_free(void *data, void *ptr)
  67 {
  68         srb_t *sp = (srb_t *)ptr;
  69         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  70         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
  71
  72         del_timer(&iocb->timer);
  73         mempool_free(sp, vha->hw->srb_mempool);
  74
  75         QLA_VHA_MARK_NOT_BUSY(vha);
  76 }
  77
  78 /* Asynchronous Login/Logout Routines -------------------------------------- */
  79
  80 unsigned long
  81 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
  82 {
  83         unsigned long tmo;
  84         struct qla_hw_data *ha = vha->hw;
  85
  86         /* Firmware should use switch negotiated r_a_tov for timeout. */
  87         tmo = ha->r_a_tov / 10 * 2;
  88         if (!IS_FWI2_CAPABLE(ha)) {
  89                 /*
  90                  * Except for earlier ISPs where the timeout is seeded from the
  91                  * initialization control block.
  92                  */
  93                 tmo = ha->login_timeout;
  94         }
  95         return tmo;
  96 }
  97
  98 static void
  99 qla2x00_async_iocb_timeout(void *data)
 100 {
 101         srb_t *sp = (srb_t *)data;
 102         fc_port_t *fcport = sp->fcport;
 103
 104         ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 105             "Async-%s timeout - hdl=%x portid=%02x%02x%02x.\n",
 106             sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
 107             fcport->d_id.b.al_pa);
 108
 109         fcport->flags &= ~FCF_ASYNC_SENT;
 110         if (sp->type == SRB_LOGIN_CMD) {
 111                 struct srb_iocb *lio = &sp->u.iocb_cmd;
 112                 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 113                 /* Retry as needed. */
 114                 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 115                 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 116                         QLA_LOGIO_LOGIN_RETRIED : 0;
 117                 qla2x00_post_async_login_done_work(fcport->vha, fcport,
 118                         lio->u.logio.data);
 119         }
 120 }
 121
 122 static void
 123 qla2x00_async_login_sp_done(void *data, void *ptr, int res)
 124 {
 125         srb_t *sp = (srb_t *)ptr;
 126         struct srb_iocb *lio = &sp->u.iocb_cmd;
 127         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 128
 129         if (!test_bit(UNLOADING, &vha->dpc_flags))
 130                 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
 131                     lio->u.logio.data);
 132         sp->free(sp->fcport->vha, sp);
 133 }
 134
 135 int
 136 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 137     uint16_t *data)
 138 {
 139         srb_t *sp;
 140         struct srb_iocb *lio;
 141         int rval;
 142
 143         rval = QLA_FUNCTION_FAILED;
 144         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 145         if (!sp)
 146                 goto done;
 147
 148         sp->type = SRB_LOGIN_CMD;
 149         sp->name = "login";
 150         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 151
 152         lio = &sp->u.iocb_cmd;
 153         lio->timeout = qla2x00_async_iocb_timeout;
 154         sp->done = qla2x00_async_login_sp_done;
 155         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 156         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 157                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 158         rval = qla2x00_start_sp(sp);
 159         if (rval != QLA_SUCCESS)
 160                 goto done_free_sp;
 161
 162         ql_dbg(ql_dbg_disc, vha, 0x2072,
 163             "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
 164             "retries=%d.\n", sp->handle, fcport->loop_id,
 165             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 166             fcport->login_retry);
 167         return rval;
 168
 169 done_free_sp:
 170         sp->free(fcport->vha, sp);
 171 done:
 172         return rval;
 173 }
 174
 175 static void
 176 qla2x00_async_logout_sp_done(void *data, void *ptr, int res)
 177 {
 178         srb_t *sp = (srb_t *)ptr;
 179         struct srb_iocb *lio = &sp->u.iocb_cmd;
 180         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 181
 182         if (!test_bit(UNLOADING, &vha->dpc_flags))
 183                 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
 184                     lio->u.logio.data);
 185         sp->free(sp->fcport->vha, sp);
 186 }
 187
 188 int
 189 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 190 {
 191         srb_t *sp;
 192         struct srb_iocb *lio;
 193         int rval;
 194
 195         rval = QLA_FUNCTION_FAILED;
 196         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 197         if (!sp)
 198                 goto done;
 199
 200         sp->type = SRB_LOGOUT_CMD;
 201         sp->name = "logout";
 202         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 203
 204         lio = &sp->u.iocb_cmd;
 205         lio->timeout = qla2x00_async_iocb_timeout;
 206         sp->done = qla2x00_async_logout_sp_done;
 207         rval = qla2x00_start_sp(sp);
 208         if (rval != QLA_SUCCESS)
 209                 goto done_free_sp;
 210
 211         ql_dbg(ql_dbg_disc, vha, 0x2070,
 212             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 213             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 214             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 215         return rval;
 216
 217 done_free_sp:
 218         sp->free(fcport->vha, sp);
 219 done:
 220         return rval;
 221 }
 222
 223 static void
 224 qla2x00_async_adisc_sp_done(void *data, void *ptr, int res)
 225 {
 226         srb_t *sp = (srb_t *)ptr;
 227         struct srb_iocb *lio = &sp->u.iocb_cmd;
 228         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 229
 230         if (!test_bit(UNLOADING, &vha->dpc_flags))
 231                 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
 232                     lio->u.logio.data);
 233         sp->free(sp->fcport->vha, sp);
 234 }
 235
 236 int
 237 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 238     uint16_t *data)
 239 {
 240         srb_t *sp;
 241         struct srb_iocb *lio;
 242         int rval;
 243
 244         rval = QLA_FUNCTION_FAILED;
 245         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 246         if (!sp)
 247                 goto done;
 248
 249         sp->type = SRB_ADISC_CMD;
 250         sp->name = "adisc";
 251         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 252
 253         lio = &sp->u.iocb_cmd;
 254         lio->timeout = qla2x00_async_iocb_timeout;
 255         sp->done = qla2x00_async_adisc_sp_done;
 256         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 257                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 258         rval = qla2x00_start_sp(sp);
 259         if (rval != QLA_SUCCESS)
 260                 goto done_free_sp;
 261
 262         ql_dbg(ql_dbg_disc, vha, 0x206f,
 263             "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
 264             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 265             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 266         return rval;
 267
 268 done_free_sp:
 269         sp->free(fcport->vha, sp);
 270 done:
 271         return rval;
 272 }
 273
 274 static void
 275 qla2x00_async_tm_cmd_done(void *data, void *ptr, int res)
 276 {
 277         srb_t *sp = (srb_t *)ptr;
 278         struct srb_iocb *iocb = &sp->u.iocb_cmd;
 279         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 280         uint32_t flags;
 281         uint16_t lun;
 282         int rval;
 283
 284         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 285                 flags = iocb->u.tmf.flags;
 286                 lun = (uint16_t)iocb->u.tmf.lun;
 287
 288                 /* Issue Marker IOCB */
 289                 rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
 290                         vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
 291                         flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
 292
 293                 if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
 294                         ql_dbg(ql_dbg_taskm, vha, 0x8030,
 295                             "TM IOCB failed (%x).\n", rval);
 296                 }
 297         }
 298         sp->free(sp->fcport->vha, sp);
 299 }
 300
 301 int
 302 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t tm_flags, uint32_t lun,
 303         uint32_t tag)
 304 {
 305         struct scsi_qla_host *vha = fcport->vha;
 306         srb_t *sp;
 307         struct srb_iocb *tcf;
 308         int rval;
 309
 310         rval = QLA_FUNCTION_FAILED;
 311         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 312         if (!sp)
 313                 goto done;
 314
 315         sp->type = SRB_TM_CMD;
 316         sp->name = "tmf";
 317         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 318
 319         tcf = &sp->u.iocb_cmd;
 320         tcf->u.tmf.flags = tm_flags;
 321         tcf->u.tmf.lun = lun;
 322         tcf->u.tmf.data = tag;
 323         tcf->timeout = qla2x00_async_iocb_timeout;
 324         sp->done = qla2x00_async_tm_cmd_done;
 325
 326         rval = qla2x00_start_sp(sp);
 327         if (rval != QLA_SUCCESS)
 328                 goto done_free_sp;
 329
 330         ql_dbg(ql_dbg_taskm, vha, 0x802f,
 331             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 332             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 333             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 334         return rval;
 335
 336 done_free_sp:
 337         sp->free(fcport->vha, sp);
 338 done:
 339         return rval;
 340 }
 341
 342 void
 343 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 344     uint16_t *data)
 345 {
 346         int rval;
 347
 348         switch (data[0]) {
 349         case MBS_COMMAND_COMPLETE:
 350                 /*
 351                  * Driver must validate login state - If PRLI not complete,
 352                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
 353                  * requests.
 354                  */
 355                 rval = qla2x00_get_port_database(vha, fcport, 0);
 356                 if (rval == QLA_NOT_LOGGED_IN) {
 357                         fcport->flags &= ~FCF_ASYNC_SENT;
 358                         fcport->flags |= FCF_LOGIN_NEEDED;
 359                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 360                         break;
 361                 }
 362
 363                 if (rval != QLA_SUCCESS) {
 364                         qla2x00_post_async_logout_work(vha, fcport, NULL);
 365                         qla2x00_post_async_login_work(vha, fcport, NULL);
 366                         break;
 367                 }
 368                 if (fcport->flags & FCF_FCP2_DEVICE) {
 369                         qla2x00_post_async_adisc_work(vha, fcport, data);
 370                         break;
 371                 }
 372                 qla2x00_update_fcport(vha, fcport);
 373                 break;
 374         case MBS_COMMAND_ERROR:
 375                 fcport->flags &= ~FCF_ASYNC_SENT;
 376                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 377                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 378                 else
 379                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 380                 break;
 381         case MBS_PORT_ID_USED:
 382                 fcport->loop_id = data[1];
 383                 qla2x00_post_async_logout_work(vha, fcport, NULL);
 384                 qla2x00_post_async_login_work(vha, fcport, NULL);
 385                 break;
 386         case MBS_LOOP_ID_USED:
 387                 fcport->loop_id++;
 388                 rval = qla2x00_find_new_loop_id(vha, fcport);
 389                 if (rval != QLA_SUCCESS) {
 390                         fcport->flags &= ~FCF_ASYNC_SENT;
 391                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 392                         break;
 393                 }
 394                 qla2x00_post_async_login_work(vha, fcport, NULL);
 395                 break;
 396         }
 397         return;
 398 }
 399
 400 void
 401 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 402     uint16_t *data)
 403 {
 404         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 405         return;
 406 }
 407
 408 void
 409 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 410     uint16_t *data)
 411 {
 412         if (data[0] == MBS_COMMAND_COMPLETE) {
 413                 qla2x00_update_fcport(vha, fcport);
 414
 415                 return;
 416         }
 417
 418         /* Retry login. */
 419         fcport->flags &= ~FCF_ASYNC_SENT;
 420         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 421                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 422         else
 423                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 424
 425         return;
 426 }
 427
 428 /****************************************************************************/
 429 /*                QLogic ISP2x00 Hardware Support Functions.                */
 430 /****************************************************************************/
 431
 432 static int
 433 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
 434 {
 435         int rval = QLA_SUCCESS;
 436         struct qla_hw_data *ha = vha->hw;
 437         uint32_t idc_major_ver, idc_minor_ver;
 438         uint16_t config[4];
 439
 440         qla83xx_idc_lock(vha, 0);
 441
 442         /* SV: TODO: Assign initialization timeout from
 443          * flash-info / other param
 444          */
 445         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
 446         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
 447
 448         /* Set our fcoe function presence */
 449         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
 450                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
 451                     "Error while setting DRV-Presence.\n");
 452                 rval = QLA_FUNCTION_FAILED;
 453                 goto exit;
 454         }
 455
 456         /* Decide the reset ownership */
 457         qla83xx_reset_ownership(vha);
 458
 459         /*
 460          * On first protocol driver load:
 461          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
 462          * register.
 463          * Others: Check compatibility with current IDC Major version.
 464          */
 465         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
 466         if (ha->flags.nic_core_reset_owner) {
 467                 /* Set IDC Major version */
 468                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
 469                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
 470
 471                 /* Clearing IDC-Lock-Recovery register */
 472                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
 473         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
 474                 /*
 475                  * Clear further IDC participation if we are not compatible with
 476                  * the current IDC Major Version.
 477                  */
 478                 ql_log(ql_log_warn, vha, 0xb07d,
 479                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
 480                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
 481                 __qla83xx_clear_drv_presence(vha);
 482                 rval = QLA_FUNCTION_FAILED;
 483                 goto exit;
 484         }
 485         /* Each function sets its supported Minor version. */
 486         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
 487         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
 488         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
 489
 490         if (ha->flags.nic_core_reset_owner) {
 491                 memset(config, 0, sizeof(config));
 492                 if (!qla81xx_get_port_config(vha, config))
 493                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 494                             QLA8XXX_DEV_READY);
 495         }
 496
 497         rval = qla83xx_idc_state_handler(vha);
 498
 499 exit:
 500         qla83xx_idc_unlock(vha, 0);
 501
 502         return rval;
 503 }
 504
 505 /*
 506 * qla2x00_initialize_adapter
 507 *      Initialize board.
 508 *
 509 * Input:
 510 *      ha = adapter block pointer.
 511 *
 512 * Returns:
 513 *      0 = success
 514 */
 515 int
 516 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 517 {
 518         int     rval;
 519         struct qla_hw_data *ha = vha->hw;
 520         struct req_que *req = ha->req_q_map[0];
 521
 522         /* Clear adapter flags. */
 523         vha->flags.online = 0;
 524         ha->flags.chip_reset_done = 0;
 525         vha->flags.reset_active = 0;
 526         ha->flags.pci_channel_io_perm_failure = 0;
 527         ha->flags.eeh_busy = 0;
 528         ha->flags.thermal_supported = 1;
 529         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 530         atomic_set(&vha->loop_state, LOOP_DOWN);
 531         vha->device_flags = DFLG_NO_CABLE;
 532         vha->dpc_flags = 0;
 533         vha->flags.management_server_logged_in = 0;
 534         vha->marker_needed = 0;
 535         ha->isp_abort_cnt = 0;
 536         ha->beacon_blink_led = 0;
 537
 538         set_bit(0, ha->req_qid_map);
 539         set_bit(0, ha->rsp_qid_map);
 540
 541         ql_dbg(ql_dbg_init, vha, 0x0040,
 542             "Configuring PCI space...\n");
 543         rval = ha->isp_ops->pci_config(vha);
 544         if (rval) {
 545                 ql_log(ql_log_warn, vha, 0x0044,
 546                     "Unable to configure PCI space.\n");
 547                 return (rval);
 548         }
 549
 550         ha->isp_ops->reset_chip(vha);
 551
 552         rval = qla2xxx_get_flash_info(vha);
 553         if (rval) {
 554                 ql_log(ql_log_fatal, vha, 0x004f,
 555                     "Unable to validate FLASH data.\n");
 556                 return (rval);
 557         }
 558
 559         ha->isp_ops->get_flash_version(vha, req->ring);
 560         ql_dbg(ql_dbg_init, vha, 0x0061,
 561             "Configure NVRAM parameters...\n");
 562
 563         ha->isp_ops->nvram_config(vha);
 564
 565         if (ha->flags.disable_serdes) {
 566                 /* Mask HBA via NVRAM settings? */
 567                 ql_log(ql_log_info, vha, 0x0077,
 568                     "Masking HBA WWPN "
 569                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 570                     vha->port_name[0], vha->port_name[1],
 571                     vha->port_name[2], vha->port_name[3],
 572                     vha->port_name[4], vha->port_name[5],
 573                     vha->port_name[6], vha->port_name[7]);
 574                 return QLA_FUNCTION_FAILED;
 575         }
 576
 577         ql_dbg(ql_dbg_init, vha, 0x0078,
 578             "Verifying loaded RISC code...\n");
 579
 580         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 581                 rval = ha->isp_ops->chip_diag(vha);
 582                 if (rval)
 583                         return (rval);
 584                 rval = qla2x00_setup_chip(vha);
 585                 if (rval)
 586                         return (rval);
 587         }
 588
 589         if (IS_QLA84XX(ha)) {
 590                 ha->cs84xx = qla84xx_get_chip(vha);
 591                 if (!ha->cs84xx) {
 592                         ql_log(ql_log_warn, vha, 0x00d0,
 593                             "Unable to configure ISP84XX.\n");
 594                         return QLA_FUNCTION_FAILED;
 595                 }
 596         }
 597
 598         if (qla_ini_mode_enabled(vha))
 599                 rval = qla2x00_init_rings(vha);
 600
 601         ha->flags.chip_reset_done = 1;
 602
 603         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 604                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 605                 rval = qla84xx_init_chip(vha);
 606                 if (rval != QLA_SUCCESS) {
 607                         ql_log(ql_log_warn, vha, 0x00d4,
 608                             "Unable to initialize ISP84XX.\n");
 609                 qla84xx_put_chip(vha);
 610                 }
 611         }
 612
 613         /* Load the NIC Core f/w if we are the first protocol driver. */
 614         if (IS_QLA8031(ha)) {
 615                 rval = qla83xx_nic_core_fw_load(vha);
 616                 if (rval)
 617                         ql_log(ql_log_warn, vha, 0x0124,
 618                             "Error in initializing NIC Core f/w.\n");
 619         }
 620
 621         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 622                 qla24xx_read_fcp_prio_cfg(vha);
 623
 624         return (rval);
 625 }
 626
 627 /**
 628  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 629  * @ha: HA context
 630  *
 631  * Returns 0 on success.
 632  */
 633 int
 634 qla2100_pci_config(scsi_qla_host_t *vha)
 635 {
 636         uint16_t w;
 637         unsigned long flags;
 638         struct qla_hw_data *ha = vha->hw;
 639         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 640
 641         pci_set_master(ha->pdev);
 642         pci_try_set_mwi(ha->pdev);
 643
 644         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 645         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 646         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 647
 648         pci_disable_rom(ha->pdev);
 649
 650         /* Get PCI bus information. */
 651         spin_lock_irqsave(&ha->hardware_lock, flags);
 652         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 653         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 654
 655         return QLA_SUCCESS;
 656 }
 657
 658 /**
 659  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 660  * @ha: HA context
 661  *
 662  * Returns 0 on success.
 663  */
 664 int
 665 qla2300_pci_config(scsi_qla_host_t *vha)
 666 {
 667         uint16_t        w;
 668         unsigned long   flags = 0;
 669         uint32_t        cnt;
 670         struct qla_hw_data *ha = vha->hw;
 671         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 672
 673         pci_set_master(ha->pdev);
 674         pci_try_set_mwi(ha->pdev);
 675
 676         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 677         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 678
 679         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 680                 w &= ~PCI_COMMAND_INTX_DISABLE;
 681         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 682
 683         /*
 684          * If this is a 2300 card and not 2312, reset the
 685          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 686          * the 2310 also reports itself as a 2300 so we need to get the
 687          * fb revision level -- a 6 indicates it really is a 2300 and
 688          * not a 2310.
 689          */
 690         if (IS_QLA2300(ha)) {
 691                 spin_lock_irqsave(&ha->hardware_lock, flags);
 692
 693                 /* Pause RISC. */
 694                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 695                 for (cnt = 0; cnt < 30000; cnt++) {
 696                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 697                                 break;
 698
 699                         udelay(10);
 700                 }
 701
 702                 /* Select FPM registers. */
 703                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 704                 RD_REG_WORD(&reg->ctrl_status);
 705
 706                 /* Get the fb rev level */
 707                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 708
 709                 if (ha->fb_rev == FPM_2300)
 710                         pci_clear_mwi(ha->pdev);
 711
 712                 /* Deselect FPM registers. */
 713                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 714                 RD_REG_WORD(&reg->ctrl_status);
 715
 716                 /* Release RISC module. */
 717                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 718                 for (cnt = 0; cnt < 30000; cnt++) {
 719                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 720                                 break;
 721
 722                         udelay(10);
 723                 }
 724
 725                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 726         }
 727
 728         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 729
 730         pci_disable_rom(ha->pdev);
 731
 732         /* Get PCI bus information. */
 733         spin_lock_irqsave(&ha->hardware_lock, flags);
 734         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 735         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 736
 737         return QLA_SUCCESS;
 738 }
 739
 740 /**
 741  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 742  * @ha: HA context
 743  *
 744  * Returns 0 on success.
 745  */
 746 int
 747 qla24xx_pci_config(scsi_qla_host_t *vha)
 748 {
 749         uint16_t w;
 750         unsigned long flags = 0;
 751         struct qla_hw_data *ha = vha->hw;
 752         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 753
 754         pci_set_master(ha->pdev);
 755         pci_try_set_mwi(ha->pdev);
 756
 757         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 758         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 759         w &= ~PCI_COMMAND_INTX_DISABLE;
 760         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 761
 762         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 763
 764         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 765         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 766                 pcix_set_mmrbc(ha->pdev, 2048);
 767
 768         /* PCIe -- adjust Maximum Read Request Size (2048). */
 769         if (pci_is_pcie(ha->pdev))
 770                 pcie_set_readrq(ha->pdev, 4096);
 771
 772         pci_disable_rom(ha->pdev);
 773
 774         ha->chip_revision = ha->pdev->revision;
 775
 776         /* Get PCI bus information. */
 777         spin_lock_irqsave(&ha->hardware_lock, flags);
 778         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 779         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 780
 781         return QLA_SUCCESS;
 782 }
 783
 784 /**
 785  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 786  * @ha: HA context
 787  *
 788  * Returns 0 on success.
 789  */
 790 int
 791 qla25xx_pci_config(scsi_qla_host_t *vha)
 792 {
 793         uint16_t w;
 794         struct qla_hw_data *ha = vha->hw;
 795
 796         pci_set_master(ha->pdev);
 797         pci_try_set_mwi(ha->pdev);
 798
 799         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 800         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 801         w &= ~PCI_COMMAND_INTX_DISABLE;
 802         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 803
 804         /* PCIe -- adjust Maximum Read Request Size (2048). */
 805         if (pci_is_pcie(ha->pdev))
 806                 pcie_set_readrq(ha->pdev, 4096);
 807
 808         pci_disable_rom(ha->pdev);
 809
 810         ha->chip_revision = ha->pdev->revision;
 811
 812         return QLA_SUCCESS;
 813 }
 814
 815 /**
 816  * qla2x00_isp_firmware() - Choose firmware image.
 817  * @ha: HA context
 818  *
 819  * Returns 0 on success.
 820  */
 821 static int
 822 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 823 {
 824         int  rval;
 825         uint16_t loop_id, topo, sw_cap;
 826         uint8_t domain, area, al_pa;
 827         struct qla_hw_data *ha = vha->hw;
 828
 829         /* Assume loading risc code */
 830         rval = QLA_FUNCTION_FAILED;
 831
 832         if (ha->flags.disable_risc_code_load) {
 833                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
 834
 835                 /* Verify checksum of loaded RISC code. */
 836                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 837                 if (rval == QLA_SUCCESS) {
 838                         /* And, verify we are not in ROM code. */
 839                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 840                             &area, &domain, &topo, &sw_cap);
 841                 }
 842         }
 843
 844         if (rval)
 845                 ql_dbg(ql_dbg_init, vha, 0x007a,
 846                     "**** Load RISC code ****.\n");
 847
 848         return (rval);
 849 }
 850
 851 /**
 852  * qla2x00_reset_chip() - Reset ISP chip.
 853  * @ha: HA context
 854  *
 855  * Returns 0 on success.
 856  */
 857 void
 858 qla2x00_reset_chip(scsi_qla_host_t *vha)
 859 {
 860         unsigned long   flags = 0;
 861         struct qla_hw_data *ha = vha->hw;
 862         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 863         uint32_t        cnt;
 864         uint16_t        cmd;
 865
 866         if (unlikely(pci_channel_offline(ha->pdev)))
 867                 return;
 868
 869         ha->isp_ops->disable_intrs(ha);
 870
 871         spin_lock_irqsave(&ha->hardware_lock, flags);
 872
 873         /* Turn off master enable */
 874         cmd = 0;
 875         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 876         cmd &= ~PCI_COMMAND_MASTER;
 877         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 878
 879         if (!IS_QLA2100(ha)) {
 880                 /* Pause RISC. */
 881                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 882                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 883                         for (cnt = 0; cnt < 30000; cnt++) {
 884                                 if ((RD_REG_WORD(&reg->hccr) &
 885                                     HCCR_RISC_PAUSE) != 0)
 886                                         break;
 887                                 udelay(100);
 888                         }
 889                 } else {
 890                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 891                         udelay(10);
 892                 }
 893
 894                 /* Select FPM registers. */
 895                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 896                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 897
 898                 /* FPM Soft Reset. */
 899                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 900                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 901
 902                 /* Toggle Fpm Reset. */
 903                 if (!IS_QLA2200(ha)) {
 904                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 905                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 906                 }
 907
 908                 /* Select frame buffer registers. */
 909                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 910                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 911
 912                 /* Reset frame buffer FIFOs. */
 913                 if (IS_QLA2200(ha)) {
 914                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 915                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 916                 } else {
 917                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 918
 919                         /* Read back fb_cmd until zero or 3 seconds max */
 920                         for (cnt = 0; cnt < 3000; cnt++) {
 921                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 922                                         break;
 923                                 udelay(100);
 924                         }
 925                 }
 926
 927                 /* Select RISC module registers. */
 928                 WRT_REG_WORD(&reg->ctrl_status, 0);
 929                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 930
 931                 /* Reset RISC processor. */
 932                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 933                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 934
 935                 /* Release RISC processor. */
 936                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 937                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 938         }
 939
 940         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 941         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 942
 943         /* Reset ISP chip. */
 944         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 945
 946         /* Wait for RISC to recover from reset. */
 947         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 948                 /*
 949                  * It is necessary to for a delay here since the card doesn't
 950                  * respond to PCI reads during a reset. On some architectures
 951                  * this will result in an MCA.
 952                  */
 953                 udelay(20);
 954                 for (cnt = 30000; cnt; cnt--) {
 955                         if ((RD_REG_WORD(&reg->ctrl_status) &
 956                             CSR_ISP_SOFT_RESET) == 0)
 957                                 break;
 958                         udelay(100);
 959                 }
 960         } else
 961                 udelay(10);
 962
 963         /* Reset RISC processor. */
 964         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 965
 966         WRT_REG_WORD(&reg->semaphore, 0);
 967
 968         /* Release RISC processor. */
 969         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 970         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 971
 972         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 973                 for (cnt = 0; cnt < 30000; cnt++) {
 974                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 975                                 break;
 976
 977                         udelay(100);
 978                 }
 979         } else
 980                 udelay(100);
 981
 982         /* Turn on master enable */
 983         cmd |= PCI_COMMAND_MASTER;
 984         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 985
 986         /* Disable RISC pause on FPM parity error. */
 987         if (!IS_QLA2100(ha)) {
 988                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 989                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 990         }
 991
 992         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 993 }
 994
 995 /**
 996  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
 997  *
 998  * Returns 0 on success.
 999  */
1000 static int
1001 qla81xx_reset_mpi(scsi_qla_host_t *vha)
1002 {
1003         uint16_t mb[4] = {0x1010, 0, 1, 0};
1004
1005         if (!IS_QLA81XX(vha->hw))
1006                 return QLA_SUCCESS;
1007
1008         return qla81xx_write_mpi_register(vha, mb);
1009 }
1010
1011 /**
1012  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
1013  * @ha: HA context
1014  *
1015  * Returns 0 on success.
1016  */
1017 static inline void
1018 qla24xx_reset_risc(scsi_qla_host_t *vha)
1019 {
1020         unsigned long flags = 0;
1021         struct qla_hw_data *ha = vha->hw;
1022         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1023         uint32_t cnt, d2;
1024         uint16_t wd;
1025         static int abts_cnt; /* ISP abort retry counts */
1026
1027         spin_lock_irqsave(&ha->hardware_lock, flags);
1028
1029         /* Reset RISC. */
1030         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1031         for (cnt = 0; cnt < 30000; cnt++) {
1032                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1033                         break;
1034
1035                 udelay(10);
1036         }
1037
1038         WRT_REG_DWORD(&reg->ctrl_status,
1039             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1040         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1041
1042         udelay(100);
1043         /* Wait for firmware to complete NVRAM accesses. */
1044         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1045         for (cnt = 10000 ; cnt && d2; cnt--) {
1046                 udelay(5);
1047                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1048                 barrier();
1049         }
1050
1051         /* Wait for soft-reset to complete. */
1052         d2 = RD_REG_DWORD(&reg->ctrl_status);
1053         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1054                 udelay(5);
1055                 d2 = RD_REG_DWORD(&reg->ctrl_status);
1056                 barrier();
1057         }
1058
1059         /* If required, do an MPI FW reset now */
1060         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1061                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1062                         if (++abts_cnt < 5) {
1063                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1064                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1065                         } else {
1066                                 /*
1067                                  * We exhausted the ISP abort retries. We have to
1068                                  * set the board offline.
1069                                  */
1070                                 abts_cnt = 0;
1071                                 vha->flags.online = 0;
1072                         }
1073                 }
1074         }
1075
1076         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1077         RD_REG_DWORD(&reg->hccr);
1078
1079         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1080         RD_REG_DWORD(&reg->hccr);
1081
1082         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1083         RD_REG_DWORD(&reg->hccr);
1084
1085         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1086         for (cnt = 6000000 ; cnt && d2; cnt--) {
1087                 udelay(5);
1088                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1089                 barrier();
1090         }
1091
1092         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1093
1094         if (IS_NOPOLLING_TYPE(ha))
1095                 ha->isp_ops->enable_intrs(ha);
1096 }
1097
1098 static void
1099 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
1100 {
1101         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1102
1103         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1104         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
1105
1106 }
1107
1108 static void
1109 qla25xx_write_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         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
1115 }
1116
1117 static void
1118 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
1119 {
1120         struct qla_hw_data *ha = vha->hw;
1121         uint32_t wd32 = 0;
1122         uint delta_msec = 100;
1123         uint elapsed_msec = 0;
1124         uint timeout_msec;
1125         ulong n;
1126
1127         if (!IS_QLA25XX(ha) && !IS_QLA2031(ha))
1128                 return;
1129
1130 attempt:
1131         timeout_msec = TIMEOUT_SEMAPHORE;
1132         n = timeout_msec / delta_msec;
1133         while (n--) {
1134                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
1135                 qla25xx_read_risc_sema_reg(vha, &wd32);
1136                 if (wd32 & RISC_SEMAPHORE)
1137                         break;
1138                 msleep(delta_msec);
1139                 elapsed_msec += delta_msec;
1140                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1141                         goto force;
1142         }
1143
1144         if (!(wd32 & RISC_SEMAPHORE))
1145                 goto force;
1146
1147         if (!(wd32 & RISC_SEMAPHORE_FORCE))
1148                 goto acquired;
1149
1150         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
1151         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
1152         n = timeout_msec / delta_msec;
1153         while (n--) {
1154                 qla25xx_read_risc_sema_reg(vha, &wd32);
1155                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
1156                         break;
1157                 msleep(delta_msec);
1158                 elapsed_msec += delta_msec;
1159                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1160                         goto force;
1161         }
1162
1163         if (wd32 & RISC_SEMAPHORE_FORCE)
1164                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
1165
1166         goto attempt;
1167
1168 force:
1169         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
1170
1171 acquired:
1172         return;
1173 }
1174
1175 /**
1176  * qla24xx_reset_chip() - Reset ISP24xx chip.
1177  * @ha: HA context
1178  *
1179  * Returns 0 on success.
1180  */
1181 void
1182 qla24xx_reset_chip(scsi_qla_host_t *vha)
1183 {
1184         struct qla_hw_data *ha = vha->hw;
1185
1186         if (pci_channel_offline(ha->pdev) &&
1187             ha->flags.pci_channel_io_perm_failure) {
1188                 return;
1189         }
1190
1191         ha->isp_ops->disable_intrs(ha);
1192
1193         qla25xx_manipulate_risc_semaphore(vha);
1194
1195         /* Perform RISC reset. */
1196         qla24xx_reset_risc(vha);
1197 }
1198
1199 /**
1200  * qla2x00_chip_diag() - Test chip for proper operation.
1201  * @ha: HA context
1202  *
1203  * Returns 0 on success.
1204  */
1205 int
1206 qla2x00_chip_diag(scsi_qla_host_t *vha)
1207 {
1208         int             rval;
1209         struct qla_hw_data *ha = vha->hw;
1210         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1211         unsigned long   flags = 0;
1212         uint16_t        data;
1213         uint32_t        cnt;
1214         uint16_t        mb[5];
1215         struct req_que *req = ha->req_q_map[0];
1216
1217         /* Assume a failed state */
1218         rval = QLA_FUNCTION_FAILED;
1219
1220         ql_dbg(ql_dbg_init, vha, 0x007b,
1221             "Testing device at %lx.\n", (u_long)&reg->flash_address);
1222
1223         spin_lock_irqsave(&ha->hardware_lock, flags);
1224
1225         /* Reset ISP chip. */
1226         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1227
1228         /*
1229          * We need to have a delay here since the card will not respond while
1230          * in reset causing an MCA on some architectures.
1231          */
1232         udelay(20);
1233         data = qla2x00_debounce_register(&reg->ctrl_status);
1234         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1235                 udelay(5);
1236                 data = RD_REG_WORD(&reg->ctrl_status);
1237                 barrier();
1238         }
1239
1240         if (!cnt)
1241                 goto chip_diag_failed;
1242
1243         ql_dbg(ql_dbg_init, vha, 0x007c,
1244             "Reset register cleared by chip reset.\n");
1245
1246         /* Reset RISC processor. */
1247         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1248         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1249
1250         /* Workaround for QLA2312 PCI parity error */
1251         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1252                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1253                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1254                         udelay(5);
1255                         data = RD_MAILBOX_REG(ha, reg, 0);
1256                         barrier();
1257                 }
1258         } else
1259                 udelay(10);
1260
1261         if (!cnt)
1262                 goto chip_diag_failed;
1263
1264         /* Check product ID of chip */
1265         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1266
1267         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1268         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1269         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1270         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1271         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1272             mb[3] != PROD_ID_3) {
1273                 ql_log(ql_log_warn, vha, 0x0062,
1274                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1275                     mb[1], mb[2], mb[3]);
1276
1277                 goto chip_diag_failed;
1278         }
1279         ha->product_id[0] = mb[1];
1280         ha->product_id[1] = mb[2];
1281         ha->product_id[2] = mb[3];
1282         ha->product_id[3] = mb[4];
1283
1284         /* Adjust fw RISC transfer size */
1285         if (req->length > 1024)
1286                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1287         else
1288                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1289                     req->length;
1290
1291         if (IS_QLA2200(ha) &&
1292             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1293                 /* Limit firmware transfer size with a 2200A */
1294                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1295
1296                 ha->device_type |= DT_ISP2200A;
1297                 ha->fw_transfer_size = 128;
1298         }
1299
1300         /* Wrap Incoming Mailboxes Test. */
1301         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1302
1303         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1304         rval = qla2x00_mbx_reg_test(vha);
1305         if (rval)
1306                 ql_log(ql_log_warn, vha, 0x0080,
1307                     "Failed mailbox send register test.\n");
1308         else
1309                 /* Flag a successful rval */
1310                 rval = QLA_SUCCESS;
1311         spin_lock_irqsave(&ha->hardware_lock, flags);
1312
1313 chip_diag_failed:
1314         if (rval)
1315                 ql_log(ql_log_info, vha, 0x0081,
1316                     "Chip diagnostics **** FAILED ****.\n");
1317
1318         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1319
1320         return (rval);
1321 }
1322
1323 /**
1324  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1325  * @ha: HA context
1326  *
1327  * Returns 0 on success.
1328  */
1329 int
1330 qla24xx_chip_diag(scsi_qla_host_t *vha)
1331 {
1332         int rval;
1333         struct qla_hw_data *ha = vha->hw;
1334         struct req_que *req = ha->req_q_map[0];
1335
1336         if (IS_QLA82XX(ha))
1337                 return QLA_SUCCESS;
1338
1339         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1340
1341         rval = qla2x00_mbx_reg_test(vha);
1342         if (rval) {
1343                 ql_log(ql_log_warn, vha, 0x0082,
1344                     "Failed mailbox send register test.\n");
1345         } else {
1346                 /* Flag a successful rval */
1347                 rval = QLA_SUCCESS;
1348         }
1349
1350         return rval;
1351 }
1352
1353 void
1354 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1355 {
1356         int rval;
1357         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1358             eft_size, fce_size, mq_size;
1359         dma_addr_t tc_dma;
1360         void *tc;
1361         struct qla_hw_data *ha = vha->hw;
1362         struct req_que *req = ha->req_q_map[0];
1363         struct rsp_que *rsp = ha->rsp_q_map[0];
1364
1365         if (ha->fw_dump) {
1366                 ql_dbg(ql_dbg_init, vha, 0x00bd,
1367                     "Firmware dump already allocated.\n");
1368                 return;
1369         }
1370
1371         ha->fw_dumped = 0;
1372         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1373         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1374                 fixed_size = sizeof(struct qla2100_fw_dump);
1375         } else if (IS_QLA23XX(ha)) {
1376                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1377                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1378                     sizeof(uint16_t);
1379         } else if (IS_FWI2_CAPABLE(ha)) {
1380                 if (IS_QLA83XX(ha))
1381                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1382                 else if (IS_QLA81XX(ha))
1383                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1384                 else if (IS_QLA25XX(ha))
1385                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1386                 else
1387                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1388                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1389                     sizeof(uint32_t);
1390                 if (ha->mqenable) {
1391                         if (!IS_QLA83XX(ha))
1392                                 mq_size = sizeof(struct qla2xxx_mq_chain);
1393                         /*
1394                          * Allocate maximum buffer size for all queues.
1395                          * Resizing must be done at end-of-dump processing.
1396                          */
1397                         mq_size += ha->max_req_queues *
1398                             (req->length * sizeof(request_t));
1399                         mq_size += ha->max_rsp_queues *
1400                             (rsp->length * sizeof(response_t));
1401                 }
1402                 if (ha->tgt.atio_q_length)
1403                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
1404                 /* Allocate memory for Fibre Channel Event Buffer. */
1405                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha))
1406                         goto try_eft;
1407
1408                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1409                     GFP_KERNEL);
1410                 if (!tc) {
1411                         ql_log(ql_log_warn, vha, 0x00be,
1412                             "Unable to allocate (%d KB) for FCE.\n",
1413                             FCE_SIZE / 1024);
1414                         goto try_eft;
1415                 }
1416
1417                 memset(tc, 0, FCE_SIZE);
1418                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1419                     ha->fce_mb, &ha->fce_bufs);
1420                 if (rval) {
1421                         ql_log(ql_log_warn, vha, 0x00bf,
1422                             "Unable to initialize FCE (%d).\n", rval);
1423                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1424                             tc_dma);
1425                         ha->flags.fce_enabled = 0;
1426                         goto try_eft;
1427                 }
1428                 ql_dbg(ql_dbg_init, vha, 0x00c0,
1429                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1430
1431                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1432                 ha->flags.fce_enabled = 1;
1433                 ha->fce_dma = tc_dma;
1434                 ha->fce = tc;
1435 try_eft:
1436                 /* Allocate memory for Extended Trace Buffer. */
1437                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1438                     GFP_KERNEL);
1439                 if (!tc) {
1440                         ql_log(ql_log_warn, vha, 0x00c1,
1441                             "Unable to allocate (%d KB) for EFT.\n",
1442                             EFT_SIZE / 1024);
1443                         goto cont_alloc;
1444                 }
1445
1446                 memset(tc, 0, EFT_SIZE);
1447                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1448                 if (rval) {
1449                         ql_log(ql_log_warn, vha, 0x00c2,
1450                             "Unable to initialize EFT (%d).\n", rval);
1451                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1452                             tc_dma);
1453                         goto cont_alloc;
1454                 }
1455                 ql_dbg(ql_dbg_init, vha, 0x00c3,
1456                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1457
1458                 eft_size = EFT_SIZE;
1459                 ha->eft_dma = tc_dma;
1460                 ha->eft = tc;
1461         }
1462 cont_alloc:
1463         req_q_size = req->length * sizeof(request_t);
1464         rsp_q_size = rsp->length * sizeof(response_t);
1465
1466         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1467         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1468         ha->chain_offset = dump_size;
1469         dump_size += mq_size + fce_size;
1470
1471         ha->fw_dump = vmalloc(dump_size);
1472         if (!ha->fw_dump) {
1473                 ql_log(ql_log_warn, vha, 0x00c4,
1474                     "Unable to allocate (%d KB) for firmware dump.\n",
1475                     dump_size / 1024);
1476
1477                 if (ha->fce) {
1478                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1479                             ha->fce_dma);
1480                         ha->fce = NULL;
1481                         ha->fce_dma = 0;
1482                 }
1483
1484                 if (ha->eft) {
1485                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1486                             ha->eft_dma);
1487                         ha->eft = NULL;
1488                         ha->eft_dma = 0;
1489                 }
1490                 return;
1491         }
1492         ql_dbg(ql_dbg_init, vha, 0x00c5,
1493             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1494
1495         ha->fw_dump_len = dump_size;
1496         ha->fw_dump->signature[0] = 'Q';
1497         ha->fw_dump->signature[1] = 'L';
1498         ha->fw_dump->signature[2] = 'G';
1499         ha->fw_dump->signature[3] = 'C';
1500         ha->fw_dump->version = __constant_htonl(1);
1501
1502         ha->fw_dump->fixed_size = htonl(fixed_size);
1503         ha->fw_dump->mem_size = htonl(mem_size);
1504         ha->fw_dump->req_q_size = htonl(req_q_size);
1505         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1506
1507         ha->fw_dump->eft_size = htonl(eft_size);
1508         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1509         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1510
1511         ha->fw_dump->header_size =
1512             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1513 }
1514
1515 static int
1516 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1517 {
1518 #define MPS_MASK        0xe0
1519         int rval;
1520         uint16_t dc;
1521         uint32_t dw;
1522
1523         if (!IS_QLA81XX(vha->hw))
1524                 return QLA_SUCCESS;
1525
1526         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1527         if (rval != QLA_SUCCESS) {
1528                 ql_log(ql_log_warn, vha, 0x0105,
1529                     "Unable to acquire semaphore.\n");
1530                 goto done;
1531         }
1532
1533         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1534         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1535         if (rval != QLA_SUCCESS) {
1536                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1537                 goto done_release;
1538         }
1539
1540         dc &= MPS_MASK;
1541         if (dc == (dw & MPS_MASK))
1542                 goto done_release;
1543
1544         dw &= ~MPS_MASK;
1545         dw |= dc;
1546         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1547         if (rval != QLA_SUCCESS) {
1548                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1549         }
1550
1551 done_release:
1552         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1553         if (rval != QLA_SUCCESS) {
1554                 ql_log(ql_log_warn, vha, 0x006d,
1555                     "Unable to release semaphore.\n");
1556         }
1557
1558 done:
1559         return rval;
1560 }
1561
1562 int
1563 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
1564 {
1565         /* Don't try to reallocate the array */
1566         if (req->outstanding_cmds)
1567                 return QLA_SUCCESS;
1568
1569         if (!IS_FWI2_CAPABLE(ha) || (ha->mqiobase &&
1570             (ql2xmultique_tag || ql2xmaxqueues > 1)))
1571                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
1572         else {
1573                 if (ha->fw_xcb_count <= ha->fw_iocb_count)
1574                         req->num_outstanding_cmds = ha->fw_xcb_count;
1575                 else
1576                         req->num_outstanding_cmds = ha->fw_iocb_count;
1577         }
1578
1579         req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1580             req->num_outstanding_cmds, GFP_KERNEL);
1581
1582         if (!req->outstanding_cmds) {
1583                 /*
1584                  * Try to allocate a minimal size just so we can get through
1585                  * initialization.
1586                  */
1587                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
1588                 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1589                     req->num_outstanding_cmds, GFP_KERNEL);
1590
1591                 if (!req->outstanding_cmds) {
1592                         ql_log(ql_log_fatal, NULL, 0x0126,
1593                             "Failed to allocate memory for "
1594                             "outstanding_cmds for req_que %p.\n", req);
1595                         req->num_outstanding_cmds = 0;
1596                         return QLA_FUNCTION_FAILED;
1597                 }
1598         }
1599
1600         return QLA_SUCCESS;
1601 }
1602
1603 /**
1604  * qla2x00_setup_chip() - Load and start RISC firmware.
1605  * @ha: HA context
1606  *
1607  * Returns 0 on success.
1608  */
1609 static int
1610 qla2x00_setup_chip(scsi_qla_host_t *vha)
1611 {
1612         int rval;
1613         uint32_t srisc_address = 0;
1614         struct qla_hw_data *ha = vha->hw;
1615         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1616         unsigned long flags;
1617         uint16_t fw_major_version;
1618
1619         if (IS_QLA82XX(ha)) {
1620                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1621                 if (rval == QLA_SUCCESS) {
1622                         qla2x00_stop_firmware(vha);
1623                         goto enable_82xx_npiv;
1624                 } else
1625                         goto failed;
1626         }
1627
1628         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1629                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1630                 spin_lock_irqsave(&ha->hardware_lock, flags);
1631                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1632                 RD_REG_WORD(&reg->hccr);
1633                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1634         }
1635
1636         qla81xx_mpi_sync(vha);
1637
1638         /* Load firmware sequences */
1639         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1640         if (rval == QLA_SUCCESS) {
1641                 ql_dbg(ql_dbg_init, vha, 0x00c9,
1642                     "Verifying Checksum of loaded RISC code.\n");
1643
1644                 rval = qla2x00_verify_checksum(vha, srisc_address);
1645                 if (rval == QLA_SUCCESS) {
1646                         /* Start firmware execution. */
1647                         ql_dbg(ql_dbg_init, vha, 0x00ca,
1648                             "Starting firmware.\n");
1649
1650                         rval = qla2x00_execute_fw(vha, srisc_address);
1651                         /* Retrieve firmware information. */
1652                         if (rval == QLA_SUCCESS) {
1653 enable_82xx_npiv:
1654                                 fw_major_version = ha->fw_major_version;
1655                                 if (IS_QLA82XX(ha))
1656                                         qla82xx_check_md_needed(vha);
1657                                 else
1658                                         rval = qla2x00_get_fw_version(vha);
1659                                 if (rval != QLA_SUCCESS)
1660                                         goto failed;
1661                                 ha->flags.npiv_supported = 0;
1662                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1663                                          (ha->fw_attributes & BIT_2)) {
1664                                         ha->flags.npiv_supported = 1;
1665                                         if ((!ha->max_npiv_vports) ||
1666                                             ((ha->max_npiv_vports + 1) %
1667                                             MIN_MULTI_ID_FABRIC))
1668                                                 ha->max_npiv_vports =
1669                                                     MIN_MULTI_ID_FABRIC - 1;
1670                                 }
1671                                 qla2x00_get_resource_cnts(vha, NULL,
1672                                     &ha->fw_xcb_count, NULL, &ha->fw_iocb_count,
1673                                     &ha->max_npiv_vports, NULL);
1674
1675                                 /*
1676                                  * Allocate the array of outstanding commands
1677                                  * now that we know the firmware resources.
1678                                  */
1679                                 rval = qla2x00_alloc_outstanding_cmds(ha,
1680                                     vha->req);
1681                                 if (rval != QLA_SUCCESS)
1682                                         goto failed;
1683
1684                                 if (!fw_major_version && ql2xallocfwdump
1685                                     && !IS_QLA82XX(ha))
1686                                         qla2x00_alloc_fw_dump(vha);
1687                         }
1688                 } else {
1689                         ql_log(ql_log_fatal, vha, 0x00cd,
1690                             "ISP Firmware failed checksum.\n");
1691                         goto failed;
1692                 }
1693         } else
1694                 goto failed;
1695
1696         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1697                 /* Enable proper parity. */
1698                 spin_lock_irqsave(&ha->hardware_lock, flags);
1699                 if (IS_QLA2300(ha))
1700                         /* SRAM parity */
1701                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1702                 else
1703                         /* SRAM, Instruction RAM and GP RAM parity */
1704                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1705                 RD_REG_WORD(&reg->hccr);
1706                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1707         }
1708
1709         if (IS_QLA83XX(ha))
1710                 goto skip_fac_check;
1711
1712         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1713                 uint32_t size;
1714
1715                 rval = qla81xx_fac_get_sector_size(vha, &size);
1716                 if (rval == QLA_SUCCESS) {
1717                         ha->flags.fac_supported = 1;
1718                         ha->fdt_block_size = size << 2;
1719                 } else {
1720                         ql_log(ql_log_warn, vha, 0x00ce,
1721                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1722                             ha->fw_major_version, ha->fw_minor_version,
1723                             ha->fw_subminor_version);
1724 skip_fac_check:
1725                         if (IS_QLA83XX(ha)) {
1726                                 ha->flags.fac_supported = 0;
1727                                 rval = QLA_SUCCESS;
1728                         }
1729                 }
1730         }
1731 failed:
1732         if (rval) {
1733                 ql_log(ql_log_fatal, vha, 0x00cf,
1734                     "Setup chip ****FAILED****.\n");
1735         }
1736
1737         return (rval);
1738 }
1739
1740 /**
1741  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1742  * @ha: HA context
1743  *
1744  * Beginning of request ring has initialization control block already built
1745  * by nvram config routine.
1746  *
1747  * Returns 0 on success.
1748  */
1749 void
1750 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1751 {
1752         uint16_t cnt;
1753         response_t *pkt;
1754
1755         rsp->ring_ptr = rsp->ring;
1756         rsp->ring_index    = 0;
1757         rsp->status_srb = NULL;
1758         pkt = rsp->ring_ptr;
1759         for (cnt = 0; cnt < rsp->length; cnt++) {
1760                 pkt->signature = RESPONSE_PROCESSED;
1761                 pkt++;
1762         }
1763 }
1764
1765 /**
1766  * qla2x00_update_fw_options() - Read and process firmware options.
1767  * @ha: HA context
1768  *
1769  * Returns 0 on success.
1770  */
1771 void
1772 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1773 {
1774         uint16_t swing, emphasis, tx_sens, rx_sens;
1775         struct qla_hw_data *ha = vha->hw;
1776
1777         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1778         qla2x00_get_fw_options(vha, ha->fw_options);
1779
1780         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1781                 return;
1782
1783         /* Serial Link options. */
1784         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1785             "Serial link options.\n");
1786         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1787             (uint8_t *)&ha->fw_seriallink_options,
1788             sizeof(ha->fw_seriallink_options));
1789
1790         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1791         if (ha->fw_seriallink_options[3] & BIT_2) {
1792                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1793
1794                 /*  1G settings */
1795                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1796                 emphasis = (ha->fw_seriallink_options[2] &
1797                     (BIT_4 | BIT_3)) >> 3;
1798                 tx_sens = ha->fw_seriallink_options[0] &
1799                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1800                 rx_sens = (ha->fw_seriallink_options[0] &
1801                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1802                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1803                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1804                         if (rx_sens == 0x0)
1805                                 rx_sens = 0x3;
1806                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1807                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1808                         ha->fw_options[10] |= BIT_5 |
1809                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1810                             (tx_sens & (BIT_1 | BIT_0));
1811
1812                 /*  2G settings */
1813                 swing = (ha->fw_seriallink_options[2] &
1814                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1815                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1816                 tx_sens = ha->fw_seriallink_options[1] &
1817                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1818                 rx_sens = (ha->fw_seriallink_options[1] &
1819                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1820                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1821                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1822                         if (rx_sens == 0x0)
1823                                 rx_sens = 0x3;
1824                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1825                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1826                         ha->fw_options[11] |= BIT_5 |
1827                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1828                             (tx_sens & (BIT_1 | BIT_0));
1829         }
1830
1831         /* FCP2 options. */
1832         /*  Return command IOCBs without waiting for an ABTS to complete. */
1833         ha->fw_options[3] |= BIT_13;
1834
1835         /* LED scheme. */
1836         if (ha->flags.enable_led_scheme)
1837                 ha->fw_options[2] |= BIT_12;
1838
1839         /* Detect ISP6312. */
1840         if (IS_QLA6312(ha))
1841                 ha->fw_options[2] |= BIT_13;
1842
1843         /* Update firmware options. */
1844         qla2x00_set_fw_options(vha, ha->fw_options);
1845 }
1846
1847 void
1848 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1849 {
1850         int rval;
1851         struct qla_hw_data *ha = vha->hw;
1852
1853         if (IS_QLA82XX(ha))
1854                 return;
1855
1856         /* Update Serial Link options. */
1857         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1858                 return;
1859
1860         rval = qla2x00_set_serdes_params(vha,
1861             le16_to_cpu(ha->fw_seriallink_options24[1]),
1862             le16_to_cpu(ha->fw_seriallink_options24[2]),
1863             le16_to_cpu(ha->fw_seriallink_options24[3]));
1864         if (rval != QLA_SUCCESS) {
1865                 ql_log(ql_log_warn, vha, 0x0104,
1866                     "Unable to update Serial Link options (%x).\n", rval);
1867         }
1868 }
1869
1870 void
1871 qla2x00_config_rings(struct scsi_qla_host *vha)
1872 {
1873         struct qla_hw_data *ha = vha->hw;
1874         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1875         struct req_que *req = ha->req_q_map[0];
1876         struct rsp_que *rsp = ha->rsp_q_map[0];
1877
1878         /* Setup ring parameters in initialization control block. */
1879         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1880         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1881         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1882         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1883         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1884         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1885         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1886         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1887
1888         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1889         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1890         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1891         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1892         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1893 }
1894
1895 void
1896 qla24xx_config_rings(struct scsi_qla_host *vha)
1897 {
1898         struct qla_hw_data *ha = vha->hw;
1899         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1900         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1901         struct qla_msix_entry *msix;
1902         struct init_cb_24xx *icb;
1903         uint16_t rid = 0;
1904         struct req_que *req = ha->req_q_map[0];
1905         struct rsp_que *rsp = ha->rsp_q_map[0];
1906
1907         /* Setup ring parameters in initialization control block. */
1908         icb = (struct init_cb_24xx *)ha->init_cb;
1909         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1910         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1911         icb->request_q_length = cpu_to_le16(req->length);
1912         icb->response_q_length = cpu_to_le16(rsp->length);
1913         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1914         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1915         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1916         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1917
1918         /* Setup ATIO queue dma pointers for target mode */
1919         icb->atio_q_inpointer = __constant_cpu_to_le16(0);
1920         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
1921         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
1922         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
1923
1924         if (ha->mqenable || IS_QLA83XX(ha)) {
1925                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1926                 icb->rid = __constant_cpu_to_le16(rid);
1927                 if (ha->flags.msix_enabled) {
1928                         msix = &ha->msix_entries[1];
1929                         ql_dbg(ql_dbg_init, vha, 0x00fd,
1930                             "Registering vector 0x%x for base que.\n",
1931                             msix->entry);
1932                         icb->msix = cpu_to_le16(msix->entry);
1933                 }
1934                 /* Use alternate PCI bus number */
1935                 if (MSB(rid))
1936                         icb->firmware_options_2 |=
1937                                 __constant_cpu_to_le32(BIT_19);
1938                 /* Use alternate PCI devfn */
1939                 if (LSB(rid))
1940                         icb->firmware_options_2 |=
1941                                 __constant_cpu_to_le32(BIT_18);
1942
1943                 /* Use Disable MSIX Handshake mode for capable adapters */
1944                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
1945                     (ha->flags.msix_enabled)) {
1946                         icb->firmware_options_2 &=
1947                                 __constant_cpu_to_le32(~BIT_22);
1948                         ha->flags.disable_msix_handshake = 1;
1949                         ql_dbg(ql_dbg_init, vha, 0x00fe,
1950                             "MSIX Handshake Disable Mode turned on.\n");
1951                 } else {
1952                         icb->firmware_options_2 |=
1953                                 __constant_cpu_to_le32(BIT_22);
1954                 }
1955                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1956
1957                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1958                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1959                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1960                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1961         } else {
1962                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1963                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1964                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1965                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1966         }
1967         qlt_24xx_config_rings(vha);
1968
1969         /* PCI posting */
1970         RD_REG_DWORD(&ioreg->hccr);
1971 }
1972
1973 /**
1974  * qla2x00_init_rings() - Initializes firmware.
1975  * @ha: HA context
1976  *
1977  * Beginning of request ring has initialization control block already built
1978  * by nvram config routine.
1979  *
1980  * Returns 0 on success.
1981  */
1982 static int
1983 qla2x00_init_rings(scsi_qla_host_t *vha)
1984 {
1985         int     rval;
1986         unsigned long flags = 0;
1987         int cnt, que;
1988         struct qla_hw_data *ha = vha->hw;
1989         struct req_que *req;
1990         struct rsp_que *rsp;
1991         struct mid_init_cb_24xx *mid_init_cb =
1992             (struct mid_init_cb_24xx *) ha->init_cb;
1993
1994         spin_lock_irqsave(&ha->hardware_lock, flags);
1995
1996         /* Clear outstanding commands array. */
1997         for (que = 0; que < ha->max_req_queues; que++) {
1998                 req = ha->req_q_map[que];
1999                 if (!req)
2000                         continue;
2001                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2002                         req->outstanding_cmds[cnt] = NULL;
2003
2004                 req->current_outstanding_cmd = 1;
2005
2006                 /* Initialize firmware. */
2007                 req->ring_ptr  = req->ring;
2008                 req->ring_index    = 0;
2009                 req->cnt      = req->length;
2010         }
2011
2012         for (que = 0; que < ha->max_rsp_queues; que++) {
2013                 rsp = ha->rsp_q_map[que];
2014                 if (!rsp)
2015                         continue;
2016                 /* Initialize response queue entries */
2017                 qla2x00_init_response_q_entries(rsp);
2018         }
2019
2020         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2021         ha->tgt.atio_ring_index = 0;
2022         /* Initialize ATIO queue entries */
2023         qlt_init_atio_q_entries(vha);
2024
2025         ha->isp_ops->config_rings(vha);
2026
2027         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2028
2029         /* Update any ISP specific firmware options before initialization. */
2030         ha->isp_ops->update_fw_options(vha);
2031
2032         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2033
2034         if (ha->flags.npiv_supported) {
2035                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2036                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2037                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2038         }
2039
2040         if (IS_FWI2_CAPABLE(ha)) {
2041                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2042                 mid_init_cb->init_cb.execution_throttle =
2043                     cpu_to_le16(ha->fw_xcb_count);
2044         }
2045
2046         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2047         if (rval) {
2048                 ql_log(ql_log_fatal, vha, 0x00d2,
2049                     "Init Firmware **** FAILED ****.\n");
2050         } else {
2051                 ql_dbg(ql_dbg_init, vha, 0x00d3,
2052                     "Init Firmware -- success.\n");
2053         }
2054
2055         return (rval);
2056 }
2057
2058 /**
2059  * qla2x00_fw_ready() - Waits for firmware ready.
2060  * @ha: HA context
2061  *
2062  * Returns 0 on success.
2063  */
2064 static int
2065 qla2x00_fw_ready(scsi_qla_host_t *vha)
2066 {
2067         int             rval;
2068         unsigned long   wtime, mtime, cs84xx_time;
2069         uint16_t        min_wait;       /* Minimum wait time if loop is down */
2070         uint16_t        wait_time;      /* Wait time if loop is coming ready */
2071         uint16_t        state[5];
2072         struct qla_hw_data *ha = vha->hw;
2073
2074         rval = QLA_SUCCESS;
2075
2076         /* 20 seconds for loop down. */
2077         min_wait = 20;
2078
2079         /*
2080          * Firmware should take at most one RATOV to login, plus 5 seconds for
2081          * our own processing.
2082          */
2083         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2084                 wait_time = min_wait;
2085         }
2086
2087         /* Min wait time if loop down */
2088         mtime = jiffies + (min_wait * HZ);
2089
2090         /* wait time before firmware ready */
2091         wtime = jiffies + (wait_time * HZ);
2092
2093         /* Wait for ISP to finish LIP */
2094         if (!vha->flags.init_done)
2095                 ql_log(ql_log_info, vha, 0x801e,
2096                     "Waiting for LIP to complete.\n");
2097
2098         do {
2099                 memset(state, -1, sizeof(state));
2100                 rval = qla2x00_get_firmware_state(vha, state);
2101                 if (rval == QLA_SUCCESS) {
2102                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
2103                                 vha->device_flags &= ~DFLG_NO_CABLE;
2104                         }
2105                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2106                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
2107                                     "fw_state=%x 84xx=%x.\n", state[0],
2108                                     state[2]);
2109                                 if ((state[2] & FSTATE_LOGGED_IN) &&
2110                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2111                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
2112                                             "Sending verify iocb.\n");
2113
2114                                         cs84xx_time = jiffies;
2115                                         rval = qla84xx_init_chip(vha);
2116                                         if (rval != QLA_SUCCESS) {
2117                                                 ql_log(ql_log_warn,
2118                                                     vha, 0x8007,
2119                                                     "Init chip failed.\n");
2120                                                 break;
2121                                         }
2122
2123                                         /* Add time taken to initialize. */
2124                                         cs84xx_time = jiffies - cs84xx_time;
2125                                         wtime += cs84xx_time;
2126                                         mtime += cs84xx_time;
2127                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
2128                                             "Increasing wait time by %ld. "
2129                                             "New time %ld.\n", cs84xx_time,
2130                                             wtime);
2131                                 }
2132                         } else if (state[0] == FSTATE_READY) {
2133                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2134                                     "F/W Ready - OK.\n");
2135
2136                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2137                                     &ha->login_timeout, &ha->r_a_tov);
2138
2139                                 rval = QLA_SUCCESS;
2140                                 break;
2141                         }
2142
2143                         rval = QLA_FUNCTION_FAILED;
2144
2145                         if (atomic_read(&vha->loop_down_timer) &&
2146                             state[0] != FSTATE_READY) {
2147                                 /* Loop down. Timeout on min_wait for states
2148                                  * other than Wait for Login.
2149                                  */
2150                                 if (time_after_eq(jiffies, mtime)) {
2151                                         ql_log(ql_log_info, vha, 0x8038,
2152                                             "Cable is unplugged...\n");
2153
2154                                         vha->device_flags |= DFLG_NO_CABLE;
2155                                         break;
2156                                 }
2157                         }
2158                 } else {
2159                         /* Mailbox cmd failed. Timeout on min_wait. */
2160                         if (time_after_eq(jiffies, mtime) ||
2161                                 ha->flags.isp82xx_fw_hung)
2162                                 break;
2163                 }
2164
2165                 if (time_after_eq(jiffies, wtime))
2166                         break;
2167
2168                 /* Delay for a while */
2169                 msleep(500);
2170         } while (1);
2171
2172         ql_dbg(ql_dbg_taskm, vha, 0x803a,
2173             "fw_state=%x (%x, %x, %x, %x) " "curr time=%lx.\n", state[0],
2174             state[1], state[2], state[3], state[4], jiffies);
2175
2176         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2177                 ql_log(ql_log_warn, vha, 0x803b,
2178                     "Firmware ready **** FAILED ****.\n");
2179         }
2180
2181         return (rval);
2182 }
2183
2184 /*
2185 *  qla2x00_configure_hba
2186 *      Setup adapter context.
2187 *
2188 * Input:
2189 *      ha = adapter state pointer.
2190 *
2191 * Returns:
2192 *      0 = success
2193 *
2194 * Context:
2195 *      Kernel context.
2196 */
2197 static int
2198 qla2x00_configure_hba(scsi_qla_host_t *vha)
2199 {
2200         int       rval;
2201         uint16_t      loop_id;
2202         uint16_t      topo;
2203         uint16_t      sw_cap;
2204         uint8_t       al_pa;
2205         uint8_t       area;
2206         uint8_t       domain;
2207         char            connect_type[22];
2208         struct qla_hw_data *ha = vha->hw;
2209         unsigned long flags;
2210         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2211
2212         /* Get host addresses. */
2213         rval = qla2x00_get_adapter_id(vha,
2214             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2215         if (rval != QLA_SUCCESS) {
2216                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2217                     IS_CNA_CAPABLE(ha) ||
2218                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2219                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2220                             "Loop is in a transition state.\n");
2221                 } else {
2222                         ql_log(ql_log_warn, vha, 0x2009,
2223                             "Unable to get host loop ID.\n");
2224                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2225                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2226                                 ql_log(ql_log_warn, vha, 0x1151,
2227                                     "Doing link init.\n");
2228                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2229                                         return rval;
2230                         }
2231                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2232                 }
2233                 return (rval);
2234         }
2235
2236         if (topo == 4) {
2237                 ql_log(ql_log_info, vha, 0x200a,
2238                     "Cannot get topology - retrying.\n");
2239                 return (QLA_FUNCTION_FAILED);
2240         }
2241
2242         vha->loop_id = loop_id;
2243
2244         /* initialize */
2245         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2246         ha->operating_mode = LOOP;
2247         ha->switch_cap = 0;
2248
2249         switch (topo) {
2250         case 0:
2251                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2252                 ha->current_topology = ISP_CFG_NL;
2253                 strcpy(connect_type, "(Loop)");
2254                 break;
2255
2256         case 1:
2257                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2258                 ha->switch_cap = sw_cap;
2259                 ha->current_topology = ISP_CFG_FL;
2260                 strcpy(connect_type, "(FL_Port)");
2261                 break;
2262
2263         case 2:
2264                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2265                 ha->operating_mode = P2P;
2266                 ha->current_topology = ISP_CFG_N;
2267                 strcpy(connect_type, "(N_Port-to-N_Port)");
2268                 break;
2269
2270         case 3:
2271                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2272                 ha->switch_cap = sw_cap;
2273                 ha->operating_mode = P2P;
2274                 ha->current_topology = ISP_CFG_F;
2275                 strcpy(connect_type, "(F_Port)");
2276                 break;
2277
2278         default:
2279                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2280                     "HBA in unknown topology %x, using NL.\n", topo);
2281                 ha->current_topology = ISP_CFG_NL;
2282                 strcpy(connect_type, "(Loop)");
2283                 break;
2284         }
2285
2286         /* Save Host port and loop ID. */
2287         /* byte order - Big Endian */
2288         vha->d_id.b.domain = domain;
2289         vha->d_id.b.area = area;
2290         vha->d_id.b.al_pa = al_pa;
2291
2292         spin_lock_irqsave(&ha->vport_slock, flags);
2293         qlt_update_vp_map(vha, SET_AL_PA);
2294         spin_unlock_irqrestore(&ha->vport_slock, flags);
2295
2296         if (!vha->flags.init_done)
2297                 ql_log(ql_log_info, vha, 0x2010,
2298                     "Topology - %s, Host Loop address 0x%x.\n",
2299                     connect_type, vha->loop_id);
2300
2301         if (rval) {
2302                 ql_log(ql_log_warn, vha, 0x2011,
2303                     "%s FAILED\n", __func__);
2304         } else {
2305                 ql_dbg(ql_dbg_disc, vha, 0x2012,
2306                     "%s success\n", __func__);
2307         }
2308
2309         return(rval);
2310 }
2311
2312 inline void
2313 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2314         char *def)
2315 {
2316         char *st, *en;
2317         uint16_t index;
2318         struct qla_hw_data *ha = vha->hw;
2319         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2320             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2321
2322         if (memcmp(model, BINZERO, len) != 0) {
2323                 strncpy(ha->model_number, model, len);
2324                 st = en = ha->model_number;
2325                 en += len - 1;
2326                 while (en > st) {
2327                         if (*en != 0x20 && *en != 0x00)
2328                                 break;
2329                         *en-- = '\0';
2330                 }
2331
2332                 index = (ha->pdev->subsystem_device & 0xff);
2333                 if (use_tbl &&
2334                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2335                     index < QLA_MODEL_NAMES)
2336                         strncpy(ha->model_desc,
2337                             qla2x00_model_name[index * 2 + 1],
2338                             sizeof(ha->model_desc) - 1);
2339         } else {
2340                 index = (ha->pdev->subsystem_device & 0xff);
2341                 if (use_tbl &&
2342                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2343                     index < QLA_MODEL_NAMES) {
2344                         strcpy(ha->model_number,
2345                             qla2x00_model_name[index * 2]);
2346                         strncpy(ha->model_desc,
2347                             qla2x00_model_name[index * 2 + 1],
2348                             sizeof(ha->model_desc) - 1);
2349                 } else {
2350                         strcpy(ha->model_number, def);
2351                 }
2352         }
2353         if (IS_FWI2_CAPABLE(ha))
2354                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2355                     sizeof(ha->model_desc));
2356 }
2357
2358 /* On sparc systems, obtain port and node WWN from firmware
2359  * properties.
2360  */
2361 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2362 {
2363 #ifdef CONFIG_SPARC
2364         struct qla_hw_data *ha = vha->hw;
2365         struct pci_dev *pdev = ha->pdev;
2366         struct device_node *dp = pci_device_to_OF_node(pdev);
2367         const u8 *val;
2368         int len;
2369
2370         val = of_get_property(dp, "port-wwn", &len);
2371         if (val && len >= WWN_SIZE)
2372                 memcpy(nv->port_name, val, WWN_SIZE);
2373
2374         val = of_get_property(dp, "node-wwn", &len);
2375         if (val && len >= WWN_SIZE)
2376                 memcpy(nv->node_name, val, WWN_SIZE);
2377 #endif
2378 }
2379
2380 /*
2381 * NVRAM configuration for ISP 2xxx
2382 *
2383 * Input:
2384 *      ha                = adapter block pointer.
2385 *
2386 * Output:
2387 *      initialization control block in response_ring
2388 *      host adapters parameters in host adapter block
2389 *
2390 * Returns:
2391 *      0 = success.
2392 */
2393 int
2394 qla2x00_nvram_config(scsi_qla_host_t *vha)
2395 {
2396         int             rval;
2397         uint8_t         chksum = 0;
2398         uint16_t        cnt;
2399         uint8_t         *dptr1, *dptr2;
2400         struct qla_hw_data *ha = vha->hw;
2401         init_cb_t       *icb = ha->init_cb;
2402         nvram_t         *nv = ha->nvram;
2403         uint8_t         *ptr = ha->nvram;
2404         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2405
2406         rval = QLA_SUCCESS;
2407
2408         /* Determine NVRAM starting address. */
2409         ha->nvram_size = sizeof(nvram_t);
2410         ha->nvram_base = 0;
2411         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2412                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2413                         ha->nvram_base = 0x80;
2414
2415         /* Get NVRAM data and calculate checksum. */
2416         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2417         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2418                 chksum += *ptr++;
2419
2420         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2421             "Contents of NVRAM.\n");
2422         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2423             (uint8_t *)nv, ha->nvram_size);
2424
2425         /* Bad NVRAM data, set defaults parameters. */
2426         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2427             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2428                 /* Reset NVRAM data. */
2429                 ql_log(ql_log_warn, vha, 0x0064,
2430                     "Inconsistent NVRAM "
2431                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2432                     chksum, nv->id[0], nv->nvram_version);
2433                 ql_log(ql_log_warn, vha, 0x0065,
2434                     "Falling back to "
2435                     "functioning (yet invalid -- WWPN) defaults.\n");
2436
2437                 /*
2438                  * Set default initialization control block.
2439                  */
2440                 memset(nv, 0, ha->nvram_size);
2441                 nv->parameter_block_version = ICB_VERSION;
2442
2443                 if (IS_QLA23XX(ha)) {
2444                         nv->firmware_options[0] = BIT_2 | BIT_1;
2445                         nv->firmware_options[1] = BIT_7 | BIT_5;
2446                         nv->add_firmware_options[0] = BIT_5;
2447                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2448                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2449                         nv->special_options[1] = BIT_7;
2450                 } else if (IS_QLA2200(ha)) {
2451                         nv->firmware_options[0] = BIT_2 | BIT_1;
2452                         nv->firmware_options[1] = BIT_7 | BIT_5;
2453                         nv->add_firmware_options[0] = BIT_5;
2454                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2455                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2456                 } else if (IS_QLA2100(ha)) {
2457                         nv->firmware_options[0] = BIT_3 | BIT_1;
2458                         nv->firmware_options[1] = BIT_5;
2459                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2460                 }
2461
2462                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2463                 nv->execution_throttle = __constant_cpu_to_le16(16);
2464                 nv->retry_count = 8;
2465                 nv->retry_delay = 1;
2466
2467                 nv->port_name[0] = 33;
2468                 nv->port_name[3] = 224;
2469                 nv->port_name[4] = 139;
2470
2471                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2472
2473                 nv->login_timeout = 4;
2474
2475                 /*
2476                  * Set default host adapter parameters
2477                  */
2478                 nv->host_p[1] = BIT_2;
2479                 nv->reset_delay = 5;
2480                 nv->port_down_retry_count = 8;
2481                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2482                 nv->link_down_timeout = 60;
2483
2484                 rval = 1;
2485         }
2486
2487 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2488         /*
2489          * The SN2 does not provide BIOS emulation which means you can't change
2490          * potentially bogus BIOS settings. Force the use of default settings
2491          * for link rate and frame size.  Hope that the rest of the settings
2492          * are valid.
2493          */
2494         if (ia64_platform_is("sn2")) {
2495                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2496                 if (IS_QLA23XX(ha))
2497                         nv->special_options[1] = BIT_7;
2498         }
2499 #endif
2500
2501         /* Reset Initialization control block */
2502         memset(icb, 0, ha->init_cb_size);
2503
2504         /*
2505          * Setup driver NVRAM options.
2506          */
2507         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2508         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2509         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2510         nv->firmware_options[1] &= ~BIT_4;
2511
2512         if (IS_QLA23XX(ha)) {
2513                 nv->firmware_options[0] |= BIT_2;
2514                 nv->firmware_options[0] &= ~BIT_3;
2515                 nv->special_options[0] &= ~BIT_6;
2516                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2517
2518                 if (IS_QLA2300(ha)) {
2519                         if (ha->fb_rev == FPM_2310) {
2520                                 strcpy(ha->model_number, "QLA2310");
2521                         } else {
2522                                 strcpy(ha->model_number, "QLA2300");
2523                         }
2524                 } else {
2525                         qla2x00_set_model_info(vha, nv->model_number,
2526                             sizeof(nv->model_number), "QLA23xx");
2527                 }
2528         } else if (IS_QLA2200(ha)) {
2529                 nv->firmware_options[0] |= BIT_2;
2530                 /*
2531                  * 'Point-to-point preferred, else loop' is not a safe
2532                  * connection mode setting.
2533                  */
2534                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2535                     (BIT_5 | BIT_4)) {
2536                         /* Force 'loop preferred, else point-to-point'. */
2537                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2538                         nv->add_firmware_options[0] |= BIT_5;
2539                 }
2540                 strcpy(ha->model_number, "QLA22xx");
2541         } else /*if (IS_QLA2100(ha))*/ {
2542                 strcpy(ha->model_number, "QLA2100");
2543         }
2544
2545         /*
2546          * Copy over NVRAM RISC parameter block to initialization control block.
2547          */
2548         dptr1 = (uint8_t *)icb;
2549         dptr2 = (uint8_t *)&nv->parameter_block_version;
2550         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2551         while (cnt--)
2552                 *dptr1++ = *dptr2++;
2553
2554         /* Copy 2nd half. */
2555         dptr1 = (uint8_t *)icb->add_firmware_options;
2556         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2557         while (cnt--)
2558                 *dptr1++ = *dptr2++;
2559
2560         /* Use alternate WWN? */
2561         if (nv->host_p[1] & BIT_7) {
2562                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2563                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2564         }
2565
2566         /* Prepare nodename */
2567         if ((icb->firmware_options[1] & BIT_6) == 0) {
2568                 /*
2569                  * Firmware will apply the following mask if the nodename was
2570                  * not provided.
2571                  */
2572                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2573                 icb->node_name[0] &= 0xF0;
2574         }
2575
2576         /*
2577          * Set host adapter parameters.
2578          */
2579
2580         /*
2581          * BIT_7 in the host-parameters section allows for modification to
2582          * internal driver logging.
2583          */
2584         if (nv->host_p[0] & BIT_7)
2585                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2586         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2587         /* Always load RISC code on non ISP2[12]00 chips. */
2588         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2589                 ha->flags.disable_risc_code_load = 0;
2590         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2591         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2592         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2593         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2594         ha->flags.disable_serdes = 0;
2595
2596         ha->operating_mode =
2597             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2598
2599         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2600             sizeof(ha->fw_seriallink_options));
2601
2602         /* save HBA serial number */
2603         ha->serial0 = icb->port_name[5];
2604         ha->serial1 = icb->port_name[6];
2605         ha->serial2 = icb->port_name[7];
2606         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2607         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2608
2609         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2610
2611         ha->retry_count = nv->retry_count;
2612
2613         /* Set minimum login_timeout to 4 seconds. */
2614         if (nv->login_timeout != ql2xlogintimeout)
2615                 nv->login_timeout = ql2xlogintimeout;
2616         if (nv->login_timeout < 4)
2617                 nv->login_timeout = 4;
2618         ha->login_timeout = nv->login_timeout;
2619         icb->login_timeout = nv->login_timeout;
2620
2621         /* Set minimum RATOV to 100 tenths of a second. */
2622         ha->r_a_tov = 100;
2623
2624         ha->loop_reset_delay = nv->reset_delay;
2625
2626         /* Link Down Timeout = 0:
2627          *
2628          *      When Port Down timer expires we will start returning
2629          *      I/O's to OS with "DID_NO_CONNECT".
2630          *
2631          * Link Down Timeout != 0:
2632          *
2633          *       The driver waits for the link to come up after link down
2634          *       before returning I/Os to OS with "DID_NO_CONNECT".
2635          */
2636         if (nv->link_down_timeout == 0) {
2637                 ha->loop_down_abort_time =
2638                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2639         } else {
2640                 ha->link_down_timeout =  nv->link_down_timeout;
2641                 ha->loop_down_abort_time =
2642                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2643         }
2644
2645         /*
2646          * Need enough time to try and get the port back.
2647          */
2648         ha->port_down_retry_count = nv->port_down_retry_count;
2649         if (qlport_down_retry)
2650                 ha->port_down_retry_count = qlport_down_retry;
2651         /* Set login_retry_count */
2652         ha->login_retry_count  = nv->retry_count;
2653         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2654             ha->port_down_retry_count > 3)
2655                 ha->login_retry_count = ha->port_down_retry_count;
2656         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2657                 ha->login_retry_count = ha->port_down_retry_count;
2658         if (ql2xloginretrycount)
2659                 ha->login_retry_count = ql2xloginretrycount;
2660
2661         icb->lun_enables = __constant_cpu_to_le16(0);
2662         icb->command_resource_count = 0;
2663         icb->immediate_notify_resource_count = 0;
2664         icb->timeout = __constant_cpu_to_le16(0);
2665
2666         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2667                 /* Enable RIO */
2668                 icb->firmware_options[0] &= ~BIT_3;
2669                 icb->add_firmware_options[0] &=
2670                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2671                 icb->add_firmware_options[0] |= BIT_2;
2672                 icb->response_accumulation_timer = 3;
2673                 icb->interrupt_delay_timer = 5;
2674
2675                 vha->flags.process_response_queue = 1;
2676         } else {
2677                 /* Enable ZIO. */
2678                 if (!vha->flags.init_done) {
2679                         ha->zio_mode = icb->add_firmware_options[0] &
2680                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2681                         ha->zio_timer = icb->interrupt_delay_timer ?
2682                             icb->interrupt_delay_timer: 2;
2683                 }
2684                 icb->add_firmware_options[0] &=
2685                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2686                 vha->flags.process_response_queue = 0;
2687                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2688                         ha->zio_mode = QLA_ZIO_MODE_6;
2689
2690                         ql_log(ql_log_info, vha, 0x0068,
2691                             "ZIO mode %d enabled; timer delay (%d us).\n",
2692                             ha->zio_mode, ha->zio_timer * 100);
2693
2694                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2695                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2696                         vha->flags.process_response_queue = 1;
2697                 }
2698         }
2699
2700         if (rval) {
2701                 ql_log(ql_log_warn, vha, 0x0069,
2702                     "NVRAM configuration failed.\n");
2703         }
2704         return (rval);
2705 }
2706
2707 static void
2708 qla2x00_rport_del(void *data)
2709 {
2710         fc_port_t *fcport = data;
2711         struct fc_rport *rport;
2712         scsi_qla_host_t *vha = fcport->vha;
2713         unsigned long flags;
2714
2715         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2716         rport = fcport->drport ? fcport->drport: fcport->rport;
2717         fcport->drport = NULL;
2718         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2719         if (rport) {
2720                 fc_remote_port_delete(rport);
2721                 /*
2722                  * Release the target mode FC NEXUS in qla_target.c code
2723                  * if target mod is enabled.
2724                  */
2725                 qlt_fc_port_deleted(vha, fcport);
2726         }
2727 }
2728
2729 /**
2730  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2731  * @ha: HA context
2732  * @flags: allocation flags
2733  *
2734  * Returns a pointer to the allocated fcport, or NULL, if none available.
2735  */
2736 fc_port_t *
2737 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2738 {
2739         fc_port_t *fcport;
2740
2741         fcport = kzalloc(sizeof(fc_port_t), flags);
2742         if (!fcport)
2743                 return NULL;
2744
2745         /* Setup fcport template structure. */
2746         fcport->vha = vha;
2747         fcport->port_type = FCT_UNKNOWN;
2748         fcport->loop_id = FC_NO_LOOP_ID;
2749         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2750         fcport->supported_classes = FC_COS_UNSPECIFIED;
2751         fcport->scan_state = QLA_FCPORT_SCAN_NONE;
2752
2753         return fcport;
2754 }
2755
2756 /*
2757  * qla2x00_configure_loop
2758  *      Updates Fibre Channel Device Database with what is actually on loop.
2759  *
2760  * Input:
2761  *      ha                = adapter block pointer.
2762  *
2763  * Returns:
2764  *      0 = success.
2765  *      1 = error.
2766  *      2 = database was full and device was not configured.
2767  */
2768 static int
2769 qla2x00_configure_loop(scsi_qla_host_t *vha)
2770 {
2771         int  rval;
2772         unsigned long flags, save_flags;
2773         struct qla_hw_data *ha = vha->hw;
2774         rval = QLA_SUCCESS;
2775
2776         /* Get Initiator ID */
2777         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2778                 rval = qla2x00_configure_hba(vha);
2779                 if (rval != QLA_SUCCESS) {
2780                         ql_dbg(ql_dbg_disc, vha, 0x2013,
2781                             "Unable to configure HBA.\n");
2782                         return (rval);
2783                 }
2784         }
2785
2786         save_flags = flags = vha->dpc_flags;
2787         ql_dbg(ql_dbg_disc, vha, 0x2014,
2788             "Configure loop -- dpc flags = 0x%lx.\n", flags);
2789
2790         /*
2791          * If we have both an RSCN and PORT UPDATE pending then handle them
2792          * both at the same time.
2793          */
2794         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2795         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2796
2797         qla2x00_get_data_rate(vha);
2798
2799         /* Determine what we need to do */
2800         if (ha->current_topology == ISP_CFG_FL &&
2801             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2802
2803                 set_bit(RSCN_UPDATE, &flags);
2804
2805         } else if (ha->current_topology == ISP_CFG_F &&
2806             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2807
2808                 set_bit(RSCN_UPDATE, &flags);
2809                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2810
2811         } else if (ha->current_topology == ISP_CFG_N) {
2812                 clear_bit(RSCN_UPDATE, &flags);
2813
2814         } else if (!vha->flags.online ||
2815             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2816
2817                 set_bit(RSCN_UPDATE, &flags);
2818                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2819         }
2820
2821         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2822                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2823                         ql_dbg(ql_dbg_disc, vha, 0x2015,
2824                             "Loop resync needed, failing.\n");
2825                         rval = QLA_FUNCTION_FAILED;
2826                 } else
2827                         rval = qla2x00_configure_local_loop(vha);
2828         }
2829
2830         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2831                 if (LOOP_TRANSITION(vha)) {
2832                         ql_dbg(ql_dbg_disc, vha, 0x201e,
2833                             "Needs RSCN update and loop transition.\n");
2834                         rval = QLA_FUNCTION_FAILED;
2835                 }
2836                 else
2837                         rval = qla2x00_configure_fabric(vha);
2838         }
2839
2840         if (rval == QLA_SUCCESS) {
2841                 if (atomic_read(&vha->loop_down_timer) ||
2842                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2843                         rval = QLA_FUNCTION_FAILED;
2844                 } else {
2845                         atomic_set(&vha->loop_state, LOOP_READY);
2846                         ql_dbg(ql_dbg_disc, vha, 0x2069,
2847                             "LOOP READY.\n");
2848                 }
2849         }
2850
2851         if (rval) {
2852                 ql_dbg(ql_dbg_disc, vha, 0x206a,
2853                     "%s *** FAILED ***.\n", __func__);
2854         } else {
2855                 ql_dbg(ql_dbg_disc, vha, 0x206b,
2856                     "%s: exiting normally.\n", __func__);
2857         }
2858
2859         /* Restore state if a resync event occurred during processing */
2860         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2861                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2862                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2863                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2864                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2865                 }
2866         }
2867
2868         return (rval);
2869 }
2870
2871
2872
2873 /*
2874  * qla2x00_configure_local_loop
2875  *      Updates Fibre Channel Device Database with local loop devices.
2876  *
2877  * Input:
2878  *      ha = adapter block pointer.
2879  *
2880  * Returns:
2881  *      0 = success.
2882  */
2883 static int
2884 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2885 {
2886         int             rval, rval2;
2887         int             found_devs;
2888         int             found;
2889         fc_port_t       *fcport, *new_fcport;
2890
2891         uint16_t        index;
2892         uint16_t        entries;
2893         char            *id_iter;
2894         uint16_t        loop_id;
2895         uint8_t         domain, area, al_pa;
2896         struct qla_hw_data *ha = vha->hw;
2897
2898         found_devs = 0;
2899         new_fcport = NULL;
2900         entries = MAX_FIBRE_DEVICES_LOOP;
2901
2902         /* Get list of logged in devices. */
2903         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
2904         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2905             &entries);
2906         if (rval != QLA_SUCCESS)
2907                 goto cleanup_allocation;
2908
2909         ql_dbg(ql_dbg_disc, vha, 0x2017,
2910             "Entries in ID list (%d).\n", entries);
2911         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
2912             (uint8_t *)ha->gid_list,
2913             entries * sizeof(struct gid_list_info));
2914
2915         /* Allocate temporary fcport for any new fcports discovered. */
2916         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2917         if (new_fcport == NULL) {
2918                 ql_log(ql_log_warn, vha, 0x2018,
2919                     "Memory allocation failed for fcport.\n");
2920                 rval = QLA_MEMORY_ALLOC_FAILED;
2921                 goto cleanup_allocation;
2922         }
2923         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2924
2925         /*
2926          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2927          */
2928         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2929                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2930                     fcport->port_type != FCT_BROADCAST &&
2931                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2932
2933                         ql_dbg(ql_dbg_disc, vha, 0x2019,
2934                             "Marking port lost loop_id=0x%04x.\n",
2935                             fcport->loop_id);
2936
2937                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2938                 }
2939         }
2940
2941         /* Add devices to port list. */
2942         id_iter = (char *)ha->gid_list;
2943         for (index = 0; index < entries; index++) {
2944                 domain = ((struct gid_list_info *)id_iter)->domain;
2945                 area = ((struct gid_list_info *)id_iter)->area;
2946                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2947                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2948                         loop_id = (uint16_t)
2949                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2950                 else
2951                         loop_id = le16_to_cpu(
2952                             ((struct gid_list_info *)id_iter)->loop_id);
2953                 id_iter += ha->gid_list_info_size;
2954
2955                 /* Bypass reserved domain fields. */
2956                 if ((domain & 0xf0) == 0xf0)
2957                         continue;
2958
2959                 /* Bypass if not same domain and area of adapter. */
2960                 if (area && domain &&
2961                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2962                         continue;
2963
2964                 /* Bypass invalid local loop ID. */
2965                 if (loop_id > LAST_LOCAL_LOOP_ID)
2966                         continue;
2967
2968                 memset(new_fcport, 0, sizeof(fc_port_t));
2969
2970                 /* Fill in member data. */
2971                 new_fcport->d_id.b.domain = domain;
2972                 new_fcport->d_id.b.area = area;
2973                 new_fcport->d_id.b.al_pa = al_pa;
2974                 new_fcport->loop_id = loop_id;
2975                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2976                 if (rval2 != QLA_SUCCESS) {
2977                         ql_dbg(ql_dbg_disc, vha, 0x201a,
2978                             "Failed to retrieve fcport information "
2979                             "-- get_port_database=%x, loop_id=0x%04x.\n",
2980                             rval2, new_fcport->loop_id);
2981                         ql_dbg(ql_dbg_disc, vha, 0x201b,
2982                             "Scheduling resync.\n");
2983                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2984                         continue;
2985                 }
2986
2987                 /* Check for matching device in port list. */
2988                 found = 0;
2989                 fcport = NULL;
2990                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2991                         if (memcmp(new_fcport->port_name, fcport->port_name,
2992                             WWN_SIZE))
2993                                 continue;
2994
2995                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2996                         fcport->loop_id = new_fcport->loop_id;
2997                         fcport->port_type = new_fcport->port_type;
2998                         fcport->d_id.b24 = new_fcport->d_id.b24;
2999                         memcpy(fcport->node_name, new_fcport->node_name,
3000                             WWN_SIZE);
3001
3002                         found++;
3003                         break;
3004                 }
3005
3006                 if (!found) {
3007                         /* New device, add to fcports list. */
3008                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
3009
3010                         /* Allocate a new replacement fcport. */
3011                         fcport = new_fcport;
3012                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3013                         if (new_fcport == NULL) {
3014                                 ql_log(ql_log_warn, vha, 0x201c,
3015                                     "Failed to allocate memory for fcport.\n");
3016                                 rval = QLA_MEMORY_ALLOC_FAILED;
3017                                 goto cleanup_allocation;
3018                         }
3019                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3020                 }
3021
3022                 /* Base iIDMA settings on HBA port speed. */
3023                 fcport->fp_speed = ha->link_data_rate;
3024
3025                 qla2x00_update_fcport(vha, fcport);
3026
3027                 found_devs++;
3028         }
3029
3030 cleanup_allocation:
3031         kfree(new_fcport);
3032
3033         if (rval != QLA_SUCCESS) {
3034                 ql_dbg(ql_dbg_disc, vha, 0x201d,
3035                     "Configure local loop error exit: rval=%x.\n", rval);
3036         }
3037
3038         return (rval);
3039 }
3040
3041 static void
3042 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3043 {
3044         int rval;
3045         uint16_t mb[4];
3046         struct qla_hw_data *ha = vha->hw;
3047
3048         if (!IS_IIDMA_CAPABLE(ha))
3049                 return;
3050
3051         if (atomic_read(&fcport->state) != FCS_ONLINE)
3052                 return;
3053
3054         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3055             fcport->fp_speed > ha->link_data_rate)
3056                 return;
3057
3058         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3059             mb);
3060         if (rval != QLA_SUCCESS) {
3061                 ql_dbg(ql_dbg_disc, vha, 0x2004,
3062                     "Unable to adjust iIDMA "
3063                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x "
3064                     "%04x.\n", fcport->port_name[0], fcport->port_name[1],
3065                     fcport->port_name[2], fcport->port_name[3],
3066                     fcport->port_name[4], fcport->port_name[5],
3067                     fcport->port_name[6], fcport->port_name[7], rval,
3068                     fcport->fp_speed, mb[0], mb[1]);
3069         } else {
3070                 ql_dbg(ql_dbg_disc, vha, 0x2005,
3071                     "iIDMA adjusted to %s GB/s "
3072                     "on %02x%02x%02x%02x%02x%02x%02x%02x.\n",
3073                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3074                     fcport->port_name[0], fcport->port_name[1],
3075                     fcport->port_name[2], fcport->port_name[3],
3076                     fcport->port_name[4], fcport->port_name[5],
3077                     fcport->port_name[6], fcport->port_name[7]);
3078         }
3079 }
3080
3081 static void
3082 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3083 {
3084         struct fc_rport_identifiers rport_ids;
3085         struct fc_rport *rport;
3086         unsigned long flags;
3087
3088         qla2x00_rport_del(fcport);
3089
3090         rport_ids.node_name = wwn_to_u64(fcport->node_name);
3091         rport_ids.port_name = wwn_to_u64(fcport->port_name);
3092         rport_ids.port_id = fcport->d_id.b.domain << 16 |
3093             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3094         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3095         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3096         if (!rport) {
3097                 ql_log(ql_log_warn, vha, 0x2006,
3098                     "Unable to allocate fc remote port.\n");
3099                 return;
3100         }
3101         /*
3102          * Create target mode FC NEXUS in qla_target.c if target mode is
3103          * enabled..
3104          */
3105         qlt_fc_port_added(vha, fcport);
3106
3107         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3108         *((fc_port_t **)rport->dd_data) = fcport;
3109         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3110
3111         rport->supported_classes = fcport->supported_classes;
3112
3113         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3114         if (fcport->port_type == FCT_INITIATOR)
3115                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3116         if (fcport->port_type == FCT_TARGET)
3117                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3118         fc_remote_port_rolechg(rport, rport_ids.roles);
3119 }
3120
3121 /*
3122  * qla2x00_update_fcport
3123  *      Updates device on list.
3124  *
3125  * Input:
3126  *      ha = adapter block pointer.
3127  *      fcport = port structure pointer.
3128  *
3129  * Return:
3130  *      0  - Success
3131  *  BIT_0 - error
3132  *
3133  * Context:
3134  *      Kernel context.
3135  */
3136 void
3137 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3138 {
3139         fcport->vha = vha;
3140         fcport->login_retry = 0;
3141         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3142
3143         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3144         qla2x00_iidma_fcport(vha, fcport);
3145         qla24xx_update_fcport_fcp_prio(vha, fcport);
3146         qla2x00_reg_remote_port(vha, fcport);
3147 }
3148
3149 /*
3150  * qla2x00_configure_fabric
3151  *      Setup SNS devices with loop ID's.
3152  *
3153  * Input:
3154  *      ha = adapter block pointer.
3155  *
3156  * Returns:
3157  *      0 = success.
3158  *      BIT_0 = error
3159  */
3160 static int
3161 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3162 {
3163         int     rval;
3164         fc_port_t       *fcport;
3165         uint16_t        next_loopid;
3166         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3167         uint16_t        loop_id;
3168         LIST_HEAD(new_fcports);
3169         struct qla_hw_data *ha = vha->hw;
3170         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3171
3172         /* If FL port exists, then SNS is present */
3173         if (IS_FWI2_CAPABLE(ha))
3174                 loop_id = NPH_F_PORT;
3175         else
3176                 loop_id = SNS_FL_PORT;
3177         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3178         if (rval != QLA_SUCCESS) {
3179                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3180                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3181
3182                 vha->device_flags &= ~SWITCH_FOUND;
3183                 return (QLA_SUCCESS);
3184         }
3185         vha->device_flags |= SWITCH_FOUND;
3186
3187         do {
3188                 /* FDMI support. */
3189                 if (ql2xfdmienable &&
3190                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3191                         qla2x00_fdmi_register(vha);
3192
3193                 /* Ensure we are logged into the SNS. */
3194                 if (IS_FWI2_CAPABLE(ha))
3195                         loop_id = NPH_SNS;
3196                 else
3197                         loop_id = SIMPLE_NAME_SERVER;
3198                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3199                     0xfc, mb, BIT_1|BIT_0);
3200                 if (rval != QLA_SUCCESS) {
3201                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3202                         break;
3203                 }
3204                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3205                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3206                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3207                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3208                             mb[2], mb[6], mb[7]);
3209                         return (QLA_SUCCESS);
3210                 }
3211
3212                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3213                         if (qla2x00_rft_id(vha)) {
3214                                 /* EMPTY */
3215                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3216                                     "Register FC-4 TYPE failed.\n");
3217                         }
3218                         if (qla2x00_rff_id(vha)) {
3219                                 /* EMPTY */
3220                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3221                                     "Register FC-4 Features failed.\n");
3222                         }
3223                         if (qla2x00_rnn_id(vha)) {
3224                                 /* EMPTY */
3225                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3226                                     "Register Node Name failed.\n");
3227                         } else if (qla2x00_rsnn_nn(vha)) {
3228                                 /* EMPTY */
3229                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3230                                     "Register Symobilic Node Name failed.\n");
3231                         }
3232                 }
3233
3234                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3235                 if (rval != QLA_SUCCESS)
3236                         break;
3237
3238                 /* Add new ports to existing port list */
3239                 list_splice_tail_init(&new_fcports, &vha->vp_fcports);
3240
3241                 /* Starting free loop ID. */
3242                 next_loopid = ha->min_external_loopid;
3243
3244                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3245                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3246                                 break;
3247
3248                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3249                                 continue;
3250
3251                         /* Logout lost/gone fabric devices (non-FCP2) */
3252                         if (fcport->scan_state != QLA_FCPORT_SCAN_FOUND &&
3253                             atomic_read(&fcport->state) == FCS_ONLINE) {
3254                                 qla2x00_mark_device_lost(vha, fcport,
3255                                     ql2xplogiabsentdevice, 0);
3256                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3257                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3258                                     fcport->port_type != FCT_INITIATOR &&
3259                                     fcport->port_type != FCT_BROADCAST) {
3260                                         ha->isp_ops->fabric_logout(vha,
3261                                             fcport->loop_id,
3262                                             fcport->d_id.b.domain,
3263                                             fcport->d_id.b.area,
3264                                             fcport->d_id.b.al_pa);
3265                                 }
3266                                 continue;
3267                         }
3268                         fcport->scan_state = QLA_FCPORT_SCAN_NONE;
3269
3270                         /* Login fabric devices that need a login */
3271                         if ((fcport->flags & FCF_LOGIN_NEEDED) != 0 &&
3272                             atomic_read(&vha->loop_down_timer) == 0) {
3273                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
3274                                         fcport->loop_id = next_loopid;
3275                                         rval = qla2x00_find_new_loop_id(
3276                                             base_vha, fcport);
3277                                         if (rval != QLA_SUCCESS) {
3278                                                 /* Ran out of IDs to use */
3279                                                 continue;
3280                                         }
3281                                 }
3282                         }
3283
3284                         /* Login and update database */
3285                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3286                 }
3287         } while (0);
3288
3289         if (rval) {
3290                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3291                     "Configure fabric error exit rval=%d.\n", rval);
3292         }
3293
3294         return (rval);
3295 }
3296
3297 /*
3298  * qla2x00_find_all_fabric_devs
3299  *
3300  * Input:
3301  *      ha = adapter block pointer.
3302  *      dev = database device entry pointer.
3303  *
3304  * Returns:
3305  *      0 = success.
3306  *
3307  * Context:
3308  *      Kernel context.
3309  */
3310 static int
3311 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3312         struct list_head *new_fcports)
3313 {
3314         int             rval;
3315         uint16_t        loop_id;
3316         fc_port_t       *fcport, *new_fcport, *fcptemp;
3317         int             found;
3318
3319         sw_info_t       *swl;
3320         int             swl_idx;
3321         int             first_dev, last_dev;
3322         port_id_t       wrap = {}, nxt_d_id;
3323         struct qla_hw_data *ha = vha->hw;
3324         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3325         struct scsi_qla_host *tvp;
3326
3327         rval = QLA_SUCCESS;
3328
3329         /* Try GID_PT to get device list, else GAN. */
3330         if (!ha->swl)
3331                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3332                     GFP_KERNEL);
3333         swl = ha->swl;
3334         if (!swl) {
3335                 /*EMPTY*/
3336                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3337                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3338         } else {
3339                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3340                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3341                         swl = NULL;
3342                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3343                         swl = NULL;
3344                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3345                         swl = NULL;
3346                 } else if (ql2xiidmaenable &&
3347                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3348                         qla2x00_gpsc(vha, swl);
3349                 }
3350
3351                 /* If other queries succeeded probe for FC-4 type */
3352                 if (swl)
3353                         qla2x00_gff_id(vha, swl);
3354         }
3355         swl_idx = 0;
3356
3357         /* Allocate temporary fcport for any new fcports discovered. */
3358         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3359         if (new_fcport == NULL) {
3360                 ql_log(ql_log_warn, vha, 0x205e,
3361                     "Failed to allocate memory for fcport.\n");
3362                 return (QLA_MEMORY_ALLOC_FAILED);
3363         }
3364         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3365         /* Set start port ID scan at adapter ID. */
3366         first_dev = 1;
3367         last_dev = 0;
3368
3369         /* Starting free loop ID. */
3370         loop_id = ha->min_external_loopid;
3371         for (; loop_id <= ha->max_loop_id; loop_id++) {
3372                 if (qla2x00_is_reserved_id(vha, loop_id))
3373                         continue;
3374
3375                 if (ha->current_topology == ISP_CFG_FL &&
3376                     (atomic_read(&vha->loop_down_timer) ||
3377                      LOOP_TRANSITION(vha))) {
3378                         atomic_set(&vha->loop_down_timer, 0);
3379                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3380                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3381                         break;
3382                 }
3383
3384                 if (swl != NULL) {
3385                         if (last_dev) {
3386                                 wrap.b24 = new_fcport->d_id.b24;
3387                         } else {
3388                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3389                                 memcpy(new_fcport->node_name,
3390                                     swl[swl_idx].node_name, WWN_SIZE);
3391                                 memcpy(new_fcport->port_name,
3392                                     swl[swl_idx].port_name, WWN_SIZE);
3393                                 memcpy(new_fcport->fabric_port_name,
3394                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3395                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3396                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3397
3398                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3399                                         last_dev = 1;
3400                                 }
3401                                 swl_idx++;
3402                         }
3403                 } else {
3404                         /* Send GA_NXT to the switch */
3405                         rval = qla2x00_ga_nxt(vha, new_fcport);
3406                         if (rval != QLA_SUCCESS) {
3407                                 ql_log(ql_log_warn, vha, 0x2064,
3408                                     "SNS scan failed -- assuming "
3409                                     "zero-entry result.\n");
3410                                 list_for_each_entry_safe(fcport, fcptemp,
3411                                     new_fcports, list) {
3412                                         list_del(&fcport->list);
3413                                         kfree(fcport);
3414                                 }
3415                                 rval = QLA_SUCCESS;
3416                                 break;
3417                         }
3418                 }
3419
3420                 /* If wrap on switch device list, exit. */
3421                 if (first_dev) {
3422                         wrap.b24 = new_fcport->d_id.b24;
3423                         first_dev = 0;
3424                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3425                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3426                             "Device wrap (%02x%02x%02x).\n",
3427                             new_fcport->d_id.b.domain,
3428                             new_fcport->d_id.b.area,
3429                             new_fcport->d_id.b.al_pa);
3430                         break;
3431                 }
3432
3433                 /* Bypass if same physical adapter. */
3434                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3435                         continue;
3436
3437                 /* Bypass virtual ports of the same host. */
3438                 found = 0;
3439                 if (ha->num_vhosts) {
3440                         unsigned long flags;
3441
3442                         spin_lock_irqsave(&ha->vport_slock, flags);
3443                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3444                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3445                                         found = 1;
3446                                         break;
3447                                 }
3448                         }
3449                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3450
3451                         if (found)
3452                                 continue;
3453                 }
3454
3455                 /* Bypass if same domain and area of adapter. */
3456                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3457                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3458                         ISP_CFG_FL)
3459                             continue;
3460
3461                 /* Bypass reserved domain fields. */
3462                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3463                         continue;
3464
3465                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3466                 if (ql2xgffidenable &&
3467                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3468                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3469                         continue;
3470
3471                 /* Locate matching device in database. */
3472                 found = 0;
3473                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3474                         if (memcmp(new_fcport->port_name, fcport->port_name,
3475                             WWN_SIZE))
3476                                 continue;
3477
3478                         fcport->scan_state = QLA_FCPORT_SCAN_FOUND;
3479
3480                         found++;
3481
3482                         /* Update port state. */
3483                         memcpy(fcport->fabric_port_name,
3484                             new_fcport->fabric_port_name, WWN_SIZE);
3485                         fcport->fp_speed = new_fcport->fp_speed;
3486
3487                         /*
3488                          * If address the same and state FCS_ONLINE, nothing
3489                          * changed.
3490                          */
3491                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3492                             atomic_read(&fcport->state) == FCS_ONLINE) {
3493                                 break;
3494                         }
3495
3496                         /*
3497                          * If device was not a fabric device before.
3498                          */
3499                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3500                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3501                                 qla2x00_clear_loop_id(fcport);
3502                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3503                                     FCF_LOGIN_NEEDED);
3504                                 break;
3505                         }
3506
3507                         /*
3508                          * Port ID changed or device was marked to be updated;
3509                          * Log it out if still logged in and mark it for
3510                          * relogin later.
3511                          */
3512                         fcport->d_id.b24 = new_fcport->d_id.b24;
3513                         fcport->flags |= FCF_LOGIN_NEEDED;
3514                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3515                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3516                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3517                             fcport->port_type != FCT_INITIATOR &&
3518                             fcport->port_type != FCT_BROADCAST) {
3519                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3520                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3521                                     fcport->d_id.b.al_pa);
3522                                 qla2x00_clear_loop_id(fcport);
3523                         }
3524
3525                         break;
3526                 }
3527
3528                 if (found)
3529                         continue;
3530                 /* If device was not in our fcports list, then add it. */
3531                 list_add_tail(&new_fcport->list, new_fcports);
3532
3533                 /* Allocate a new replacement fcport. */
3534                 nxt_d_id.b24 = new_fcport->d_id.b24;
3535                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3536                 if (new_fcport == NULL) {
3537                         ql_log(ql_log_warn, vha, 0x2066,
3538                             "Memory allocation failed for fcport.\n");
3539                         return (QLA_MEMORY_ALLOC_FAILED);
3540                 }
3541                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3542                 new_fcport->d_id.b24 = nxt_d_id.b24;
3543         }
3544
3545         kfree(new_fcport);
3546
3547         return (rval);
3548 }
3549
3550 /*
3551  * qla2x00_find_new_loop_id
3552  *      Scan through our port list and find a new usable loop ID.
3553  *
3554  * Input:
3555  *      ha:     adapter state pointer.
3556  *      dev:    port structure pointer.
3557  *
3558  * Returns:
3559  *      qla2x00 local function return status code.
3560  *
3561  * Context:
3562  *      Kernel context.
3563  */
3564 int
3565 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3566 {
3567         int     rval;
3568         struct qla_hw_data *ha = vha->hw;
3569         unsigned long flags = 0;
3570
3571         rval = QLA_SUCCESS;
3572
3573         spin_lock_irqsave(&ha->vport_slock, flags);
3574
3575         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3576             LOOPID_MAP_SIZE);
3577         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3578             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3579                 dev->loop_id = FC_NO_LOOP_ID;
3580                 rval = QLA_FUNCTION_FAILED;
3581         } else
3582                 set_bit(dev->loop_id, ha->loop_id_map);
3583
3584         spin_unlock_irqrestore(&ha->vport_slock, flags);
3585
3586         if (rval == QLA_SUCCESS)
3587                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3588                     "Assigning new loopid=%x, portid=%x.\n",
3589                     dev->loop_id, dev->d_id.b24);
3590         else
3591                 ql_log(ql_log_warn, dev->vha, 0x2087,
3592                     "No loop_id's available, portid=%x.\n",
3593                     dev->d_id.b24);
3594
3595         return (rval);
3596 }
3597
3598 /*
3599  * qla2x00_fabric_dev_login
3600  *      Login fabric target device and update FC port database.
3601  *
3602  * Input:
3603  *      ha:             adapter state pointer.
3604  *      fcport:         port structure list pointer.
3605  *      next_loopid:    contains value of a new loop ID that can be used
3606  *                      by the next login attempt.
3607  *
3608  * Returns:
3609  *      qla2x00 local function return status code.
3610  *
3611  * Context:
3612  *      Kernel context.
3613  */
3614 static int
3615 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3616     uint16_t *next_loopid)
3617 {
3618         int     rval;
3619         int     retry;
3620         uint8_t opts;
3621         struct qla_hw_data *ha = vha->hw;
3622
3623         rval = QLA_SUCCESS;
3624         retry = 0;
3625
3626         if (IS_ALOGIO_CAPABLE(ha)) {
3627                 if (fcport->flags & FCF_ASYNC_SENT)
3628                         return rval;
3629                 fcport->flags |= FCF_ASYNC_SENT;
3630                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3631                 if (!rval)
3632                         return rval;
3633         }
3634
3635         fcport->flags &= ~FCF_ASYNC_SENT;
3636         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3637         if (rval == QLA_SUCCESS) {
3638                 /* Send an ADISC to FCP2 devices.*/
3639                 opts = 0;
3640                 if (fcport->flags & FCF_FCP2_DEVICE)
3641                         opts |= BIT_1;
3642                 rval = qla2x00_get_port_database(vha, fcport, opts);
3643                 if (rval != QLA_SUCCESS) {
3644                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3645                             fcport->d_id.b.domain, fcport->d_id.b.area,
3646                             fcport->d_id.b.al_pa);
3647                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3648                 } else {
3649                         qla2x00_update_fcport(vha, fcport);
3650                 }
3651         } else {
3652                 /* Retry Login. */
3653                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3654         }
3655
3656         return (rval);
3657 }
3658
3659 /*
3660  * qla2x00_fabric_login
3661  *      Issue fabric login command.
3662  *
3663  * Input:
3664  *      ha = adapter block pointer.
3665  *      device = pointer to FC device type structure.
3666  *
3667  * Returns:
3668  *      0 - Login successfully
3669  *      1 - Login failed
3670  *      2 - Initiator device
3671  *      3 - Fatal error
3672  */
3673 int
3674 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3675     uint16_t *next_loopid)
3676 {
3677         int     rval;
3678         int     retry;
3679         uint16_t tmp_loopid;
3680         uint16_t mb[MAILBOX_REGISTER_COUNT];
3681         struct qla_hw_data *ha = vha->hw;
3682
3683         retry = 0;
3684         tmp_loopid = 0;
3685
3686         for (;;) {
3687                 ql_dbg(ql_dbg_disc, vha, 0x2000,
3688                     "Trying Fabric Login w/loop id 0x%04x for port "
3689                     "%02x%02x%02x.\n",
3690                     fcport->loop_id, fcport->d_id.b.domain,
3691                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
3692
3693                 /* Login fcport on switch. */
3694                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
3695                     fcport->d_id.b.domain, fcport->d_id.b.area,
3696                     fcport->d_id.b.al_pa, mb, BIT_0);
3697                 if (rval != QLA_SUCCESS) {
3698                         return rval;
3699                 }
3700                 if (mb[0] == MBS_PORT_ID_USED) {
3701                         /*
3702                          * Device has another loop ID.  The firmware team
3703                          * recommends the driver perform an implicit login with
3704                          * the specified ID again. The ID we just used is save
3705                          * here so we return with an ID that can be tried by
3706                          * the next login.
3707                          */
3708                         retry++;
3709                         tmp_loopid = fcport->loop_id;
3710                         fcport->loop_id = mb[1];
3711
3712                         ql_dbg(ql_dbg_disc, vha, 0x2001,
3713                             "Fabric Login: port in use - next loop "
3714                             "id=0x%04x, port id= %02x%02x%02x.\n",
3715                             fcport->loop_id, fcport->d_id.b.domain,
3716                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
3717
3718                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3719                         /*
3720                          * Login succeeded.
3721                          */
3722                         if (retry) {
3723                                 /* A retry occurred before. */
3724                                 *next_loopid = tmp_loopid;
3725                         } else {
3726                                 /*
3727                                  * No retry occurred before. Just increment the
3728                                  * ID value for next login.
3729                                  */
3730                                 *next_loopid = (fcport->loop_id + 1);
3731                         }
3732
3733                         if (mb[1] & BIT_0) {
3734                                 fcport->port_type = FCT_INITIATOR;
3735                         } else {
3736                                 fcport->port_type = FCT_TARGET;
3737                                 if (mb[1] & BIT_1) {
3738                                         fcport->flags |= FCF_FCP2_DEVICE;
3739                                 }
3740                         }
3741
3742                         if (mb[10] & BIT_0)
3743                                 fcport->supported_classes |= FC_COS_CLASS2;
3744                         if (mb[10] & BIT_1)
3745                                 fcport->supported_classes |= FC_COS_CLASS3;
3746
3747                         if (IS_FWI2_CAPABLE(ha)) {
3748                                 if (mb[10] & BIT_7)
3749                                         fcport->flags |=
3750                                             FCF_CONF_COMP_SUPPORTED;
3751                         }
3752
3753                         rval = QLA_SUCCESS;
3754                         break;
3755                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3756                         /*
3757                          * Loop ID already used, try next loop ID.
3758                          */
3759                         fcport->loop_id++;
3760                         rval = qla2x00_find_new_loop_id(vha, fcport);
3761                         if (rval != QLA_SUCCESS) {
3762                                 /* Ran out of loop IDs to use */
3763                                 break;
3764                         }
3765                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3766                         /*
3767                          * Firmware possibly timed out during login. If NO
3768                          * retries are left to do then the device is declared
3769                          * dead.
3770                          */
3771                         *next_loopid = fcport->loop_id;
3772                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3773                             fcport->d_id.b.domain, fcport->d_id.b.area,
3774                             fcport->d_id.b.al_pa);
3775                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3776
3777                         rval = 1;
3778                         break;
3779                 } else {
3780                         /*
3781                          * unrecoverable / not handled error
3782                          */
3783                         ql_dbg(ql_dbg_disc, vha, 0x2002,
3784                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3785                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3786                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
3787                             fcport->loop_id, jiffies);
3788
3789                         *next_loopid = fcport->loop_id;
3790                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3791                             fcport->d_id.b.domain, fcport->d_id.b.area,
3792                             fcport->d_id.b.al_pa);
3793                         qla2x00_clear_loop_id(fcport);
3794                         fcport->login_retry = 0;
3795
3796                         rval = 3;
3797                         break;
3798                 }
3799         }
3800
3801         return (rval);
3802 }
3803
3804 /*
3805  * qla2x00_local_device_login
3806  *      Issue local device login command.
3807  *
3808  * Input:
3809  *      ha = adapter block pointer.
3810  *      loop_id = loop id of device to login to.
3811  *
3812  * Returns (Where's the #define!!!!):
3813  *      0 - Login successfully
3814  *      1 - Login failed
3815  *      3 - Fatal error
3816  */
3817 int
3818 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3819 {
3820         int             rval;
3821         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3822
3823         memset(mb, 0, sizeof(mb));
3824         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3825         if (rval == QLA_SUCCESS) {
3826                 /* Interrogate mailbox registers for any errors */
3827                 if (mb[0] == MBS_COMMAND_ERROR)
3828                         rval = 1;
3829                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3830                         /* device not in PCB table */
3831                         rval = 3;
3832         }
3833
3834         return (rval);
3835 }
3836
3837 /*
3838  *  qla2x00_loop_resync
3839  *      Resync with fibre channel devices.
3840  *
3841  * Input:
3842  *      ha = adapter block pointer.
3843  *
3844  * Returns:
3845  *      0 = success
3846  */
3847 int
3848 qla2x00_loop_resync(scsi_qla_host_t *vha)
3849 {
3850         int rval = QLA_SUCCESS;
3851         uint32_t wait_time;
3852         struct req_que *req;
3853         struct rsp_que *rsp;
3854
3855         if (vha->hw->flags.cpu_affinity_enabled)
3856                 req = vha->hw->req_q_map[0];
3857         else
3858                 req = vha->req;
3859         rsp = req->rsp;
3860
3861         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3862         if (vha->flags.online) {
3863                 if (!(rval = qla2x00_fw_ready(vha))) {
3864                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3865                         wait_time = 256;
3866                         do {
3867                                 /* Issue a marker after FW becomes ready. */
3868                                 qla2x00_marker(vha, req, rsp, 0, 0,
3869                                         MK_SYNC_ALL);
3870                                 vha->marker_needed = 0;
3871
3872                                 /* Remap devices on Loop. */
3873                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3874
3875                                 qla2x00_configure_loop(vha);
3876                                 wait_time--;
3877                         } while (!atomic_read(&vha->loop_down_timer) &&
3878                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3879                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3880                                 &vha->dpc_flags)));
3881                 }
3882         }
3883
3884         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3885                 return (QLA_FUNCTION_FAILED);
3886
3887         if (rval)
3888                 ql_dbg(ql_dbg_disc, vha, 0x206c,
3889                     "%s *** FAILED ***.\n", __func__);
3890
3891         return (rval);
3892 }
3893
3894 /*
3895 * qla2x00_perform_loop_resync
3896 * Description: This function will set the appropriate flags and call
3897 *              qla2x00_loop_resync. If successful loop will be resynced
3898 * Arguments : scsi_qla_host_t pointer
3899 * returm    : Success or Failure
3900 */
3901
3902 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3903 {
3904         int32_t rval = 0;
3905
3906         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3907                 /*Configure the flags so that resync happens properly*/
3908                 atomic_set(&ha->loop_down_timer, 0);
3909                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3910                         atomic_set(&ha->loop_state, LOOP_UP);
3911                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3912                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3913                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3914
3915                         rval = qla2x00_loop_resync(ha);
3916                 } else
3917                         atomic_set(&ha->loop_state, LOOP_DEAD);
3918
3919                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3920         }
3921
3922         return rval;
3923 }
3924
3925 void
3926 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3927 {
3928         fc_port_t *fcport;
3929         struct scsi_qla_host *vha;
3930         struct qla_hw_data *ha = base_vha->hw;
3931         unsigned long flags;
3932
3933         spin_lock_irqsave(&ha->vport_slock, flags);
3934         /* Go with deferred removal of rport references. */
3935         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3936                 atomic_inc(&vha->vref_count);
3937                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3938                         if (fcport->drport &&
3939                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3940                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3941
3942                                 qla2x00_rport_del(fcport);
3943
3944                                 spin_lock_irqsave(&ha->vport_slock, flags);
3945                         }
3946                 }
3947                 atomic_dec(&vha->vref_count);
3948         }
3949         spin_unlock_irqrestore(&ha->vport_slock, flags);
3950 }
3951
3952 /* Assumes idc_lock always held on entry */
3953 void
3954 qla83xx_reset_ownership(scsi_qla_host_t *vha)
3955 {
3956         struct qla_hw_data *ha = vha->hw;
3957         uint32_t drv_presence, drv_presence_mask;
3958         uint32_t dev_part_info1, dev_part_info2, class_type;
3959         uint32_t class_type_mask = 0x3;
3960         uint16_t fcoe_other_function = 0xffff, i;
3961
3962         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
3963
3964         qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
3965         qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
3966         for (i = 0; i < 8; i++) {
3967                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
3968                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
3969                     (i != ha->portnum)) {
3970                         fcoe_other_function = i;
3971                         break;
3972                 }
3973         }
3974         if (fcoe_other_function == 0xffff) {
3975                 for (i = 0; i < 8; i++) {
3976                         class_type = ((dev_part_info2 >> (i * 4)) &
3977                             class_type_mask);
3978                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
3979                             ((i + 8) != ha->portnum)) {
3980                                 fcoe_other_function = i + 8;
3981                                 break;
3982                         }
3983                 }
3984         }
3985         /*
3986          * Prepare drv-presence mask based on fcoe functions present.
3987          * However consider only valid physical fcoe function numbers (0-15).
3988          */
3989         drv_presence_mask = ~((1 << (ha->portnum)) |
3990                         ((fcoe_other_function == 0xffff) ?
3991                          0 : (1 << (fcoe_other_function))));
3992
3993         /* We are the reset owner iff:
3994          *    - No other protocol drivers present.
3995          *    - This is the lowest among fcoe functions. */
3996         if (!(drv_presence & drv_presence_mask) &&
3997                         (ha->portnum < fcoe_other_function)) {
3998                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
3999                     "This host is Reset owner.\n");
4000                 ha->flags.nic_core_reset_owner = 1;
4001         }
4002 }
4003
4004 static int
4005 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4006 {
4007         int rval = QLA_SUCCESS;
4008         struct qla_hw_data *ha = vha->hw;
4009         uint32_t drv_ack;
4010
4011         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4012         if (rval == QLA_SUCCESS) {
4013                 drv_ack |= (1 << ha->portnum);
4014                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4015         }
4016
4017         return rval;
4018 }
4019
4020 static int
4021 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4022 {
4023         int rval = QLA_SUCCESS;
4024         struct qla_hw_data *ha = vha->hw;
4025         uint32_t drv_ack;
4026
4027         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4028         if (rval == QLA_SUCCESS) {
4029                 drv_ack &= ~(1 << ha->portnum);
4030                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4031         }
4032
4033         return rval;
4034 }
4035
4036 static const char *
4037 qla83xx_dev_state_to_string(uint32_t dev_state)
4038 {
4039         switch (dev_state) {
4040         case QLA8XXX_DEV_COLD:
4041                 return "COLD/RE-INIT";
4042         case QLA8XXX_DEV_INITIALIZING:
4043                 return "INITIALIZING";
4044         case QLA8XXX_DEV_READY:
4045                 return "READY";
4046         case QLA8XXX_DEV_NEED_RESET:
4047                 return "NEED RESET";
4048         case QLA8XXX_DEV_NEED_QUIESCENT:
4049                 return "NEED QUIESCENT";
4050         case QLA8XXX_DEV_FAILED:
4051                 return "FAILED";
4052         case QLA8XXX_DEV_QUIESCENT:
4053                 return "QUIESCENT";
4054         default:
4055                 return "Unknown";
4056         }
4057 }
4058
4059 /* Assumes idc-lock always held on entry */
4060 void
4061 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4062 {
4063         struct qla_hw_data *ha = vha->hw;
4064         uint32_t idc_audit_reg = 0, duration_secs = 0;
4065
4066         switch (audit_type) {
4067         case IDC_AUDIT_TIMESTAMP:
4068                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4069                 idc_audit_reg = (ha->portnum) |
4070                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4071                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4072                 break;
4073
4074         case IDC_AUDIT_COMPLETION:
4075                 duration_secs = ((jiffies_to_msecs(jiffies) -
4076                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4077                 idc_audit_reg = (ha->portnum) |
4078                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4079                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4080                 break;
4081
4082         default:
4083                 ql_log(ql_log_warn, vha, 0xb078,
4084                     "Invalid audit type specified.\n");
4085                 break;
4086         }
4087 }
4088
4089 /* Assumes idc_lock always held on entry */
4090 static int
4091 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4092 {
4093         struct qla_hw_data *ha = vha->hw;
4094         uint32_t  idc_control, dev_state;
4095
4096         __qla83xx_get_idc_control(vha, &idc_control);
4097         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4098                 ql_log(ql_log_info, vha, 0xb080,
4099                     "NIC Core reset has been disabled. idc-control=0x%x\n",
4100                     idc_control);
4101                 return QLA_FUNCTION_FAILED;
4102         }
4103
4104         /* Set NEED-RESET iff in READY state and we are the reset-owner */
4105         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4106         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4107                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4108                     QLA8XXX_DEV_NEED_RESET);
4109                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4110                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4111         } else {
4112                 const char *state = qla83xx_dev_state_to_string(dev_state);
4113                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4114
4115                 /* SV: XXX: Is timeout required here? */
4116                 /* Wait for IDC state change READY -> NEED_RESET */
4117                 while (dev_state == QLA8XXX_DEV_READY) {
4118                         qla83xx_idc_unlock(vha, 0);
4119                         msleep(200);
4120                         qla83xx_idc_lock(vha, 0);
4121                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4122                 }
4123         }
4124
4125         /* Send IDC ack by writing to drv-ack register */
4126         __qla83xx_set_drv_ack(vha);
4127
4128         return QLA_SUCCESS;
4129 }
4130
4131 int
4132 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4133 {
4134         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4135 }
4136
4137 int
4138 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4139 {
4140         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4141 }
4142
4143 static int
4144 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4145 {
4146         uint32_t drv_presence = 0;
4147         struct qla_hw_data *ha = vha->hw;
4148
4149         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4150         if (drv_presence & (1 << ha->portnum))
4151                 return QLA_SUCCESS;
4152         else
4153                 return QLA_TEST_FAILED;
4154 }
4155
4156 int
4157 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4158 {
4159         int rval = QLA_SUCCESS;
4160         struct qla_hw_data *ha = vha->hw;
4161
4162         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4163             "Entered  %s().\n", __func__);
4164
4165         if (vha->device_flags & DFLG_DEV_FAILED) {
4166                 ql_log(ql_log_warn, vha, 0xb059,
4167                     "Device in unrecoverable FAILED state.\n");
4168                 return QLA_FUNCTION_FAILED;
4169         }
4170
4171         qla83xx_idc_lock(vha, 0);
4172
4173         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4174                 ql_log(ql_log_warn, vha, 0xb05a,
4175                     "Function=0x%x has been removed from IDC participation.\n",
4176                     ha->portnum);
4177                 rval = QLA_FUNCTION_FAILED;
4178                 goto exit;
4179         }
4180
4181         qla83xx_reset_ownership(vha);
4182
4183         rval = qla83xx_initiating_reset(vha);
4184
4185         /*
4186          * Perform reset if we are the reset-owner,
4187          * else wait till IDC state changes to READY/FAILED.
4188          */
4189         if (rval == QLA_SUCCESS) {
4190                 rval = qla83xx_idc_state_handler(vha);
4191
4192                 if (rval == QLA_SUCCESS)
4193                         ha->flags.nic_core_hung = 0;
4194                 __qla83xx_clear_drv_ack(vha);
4195         }
4196
4197 exit:
4198         qla83xx_idc_unlock(vha, 0);
4199
4200         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4201
4202         return rval;
4203 }
4204
4205 int
4206 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4207 {
4208         struct qla_hw_data *ha = vha->hw;
4209         int rval = QLA_FUNCTION_FAILED;
4210
4211         if (!IS_MCTP_CAPABLE(ha)) {
4212                 /* This message can be removed from the final version */
4213                 ql_log(ql_log_info, vha, 0x506d,
4214                     "This board is not MCTP capable\n");
4215                 return rval;
4216         }
4217
4218         if (!ha->mctp_dump) {
4219                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4220                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4221
4222                 if (!ha->mctp_dump) {
4223                         ql_log(ql_log_warn, vha, 0x506e,
4224                             "Failed to allocate memory for mctp dump\n");
4225                         return rval;
4226                 }
4227         }
4228
4229 #define MCTP_DUMP_STR_ADDR      0x00000000
4230         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4231             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4232         if (rval != QLA_SUCCESS) {
4233                 ql_log(ql_log_warn, vha, 0x506f,
4234                     "Failed to capture mctp dump\n");
4235         } else {
4236                 ql_log(ql_log_info, vha, 0x5070,
4237                     "Mctp dump capture for host (%ld/%p).\n",
4238                     vha->host_no, ha->mctp_dump);
4239                 ha->mctp_dumped = 1;
4240         }
4241
4242         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4243                 ha->flags.nic_core_reset_hdlr_active = 1;
4244                 rval = qla83xx_restart_nic_firmware(vha);
4245                 if (rval)
4246                         /* NIC Core reset failed. */
4247                         ql_log(ql_log_warn, vha, 0x5071,
4248                             "Failed to restart nic firmware\n");
4249                 else
4250                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4251                             "Restarted NIC firmware successfully.\n");
4252                 ha->flags.nic_core_reset_hdlr_active = 0;
4253         }
4254
4255         return rval;
4256
4257 }
4258
4259 /*
4260 * qla2x00_quiesce_io
4261 * Description: This function will block the new I/Os
4262 *              Its not aborting any I/Os as context
4263 *              is not destroyed during quiescence
4264 * Arguments: scsi_qla_host_t
4265 * return   : void
4266 */
4267 void
4268 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4269 {
4270         struct qla_hw_data *ha = vha->hw;
4271         struct scsi_qla_host *vp;
4272
4273         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4274             "Quiescing I/O - ha=%p.\n", ha);
4275
4276         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4277         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4278                 atomic_set(&vha->loop_state, LOOP_DOWN);
4279                 qla2x00_mark_all_devices_lost(vha, 0);
4280                 list_for_each_entry(vp, &ha->vp_list, list)
4281                         qla2x00_mark_all_devices_lost(vp, 0);
4282         } else {
4283                 if (!atomic_read(&vha->loop_down_timer))
4284                         atomic_set(&vha->loop_down_timer,
4285                                         LOOP_DOWN_TIME);
4286         }
4287         /* Wait for pending cmds to complete */
4288         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4289 }
4290
4291 void
4292 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4293 {
4294         struct qla_hw_data *ha = vha->hw;
4295         struct scsi_qla_host *vp;
4296         unsigned long flags;
4297         fc_port_t *fcport;
4298
4299         /* For ISP82XX, driver waits for completion of the commands.
4300          * online flag should be set.
4301          */
4302         if (!IS_QLA82XX(ha))
4303                 vha->flags.online = 0;
4304         ha->flags.chip_reset_done = 0;
4305         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4306         vha->qla_stats.total_isp_aborts++;
4307
4308         ql_log(ql_log_info, vha, 0x00af,
4309             "Performing ISP error recovery - ha=%p.\n", ha);
4310
4311         /* For ISP82XX, reset_chip is just disabling interrupts.
4312          * Driver waits for the completion of the commands.
4313          * the interrupts need to be enabled.
4314          */
4315         if (!IS_QLA82XX(ha))
4316                 ha->isp_ops->reset_chip(vha);
4317
4318         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4319         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4320                 atomic_set(&vha->loop_state, LOOP_DOWN);
4321                 qla2x00_mark_all_devices_lost(vha, 0);
4322
4323                 spin_lock_irqsave(&ha->vport_slock, flags);
4324                 list_for_each_entry(vp, &ha->vp_list, list) {
4325                         atomic_inc(&vp->vref_count);
4326                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4327
4328                         qla2x00_mark_all_devices_lost(vp, 0);
4329
4330                         spin_lock_irqsave(&ha->vport_slock, flags);
4331                         atomic_dec(&vp->vref_count);
4332                 }
4333                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4334         } else {
4335                 if (!atomic_read(&vha->loop_down_timer))
4336                         atomic_set(&vha->loop_down_timer,
4337                             LOOP_DOWN_TIME);
4338         }
4339
4340         /* Clear all async request states across all VPs. */
4341         list_for_each_entry(fcport, &vha->vp_fcports, list)
4342                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4343         spin_lock_irqsave(&ha->vport_slock, flags);
4344         list_for_each_entry(vp, &ha->vp_list, list) {
4345                 atomic_inc(&vp->vref_count);
4346                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4347
4348                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4349                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4350
4351                 spin_lock_irqsave(&ha->vport_slock, flags);
4352                 atomic_dec(&vp->vref_count);
4353         }
4354         spin_unlock_irqrestore(&ha->vport_slock, flags);
4355
4356         if (!ha->flags.eeh_busy) {
4357                 /* Make sure for ISP 82XX IO DMA is complete */
4358                 if (IS_QLA82XX(ha)) {
4359                         qla82xx_chip_reset_cleanup(vha);
4360                         ql_log(ql_log_info, vha, 0x00b4,
4361                             "Done chip reset cleanup.\n");
4362
4363                         /* Done waiting for pending commands.
4364                          * Reset the online flag.
4365                          */
4366                         vha->flags.online = 0;
4367                 }
4368
4369                 /* Requeue all commands in outstanding command list. */
4370                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4371         }
4372 }
4373
4374 /*
4375 *  qla2x00_abort_isp
4376 *      Resets ISP and aborts all outstanding commands.
4377 *
4378 * Input:
4379 *      ha           = adapter block pointer.
4380 *
4381 * Returns:
4382 *      0 = success
4383 */
4384 int
4385 qla2x00_abort_isp(scsi_qla_host_t *vha)
4386 {
4387         int rval;
4388         uint8_t        status = 0;
4389         struct qla_hw_data *ha = vha->hw;
4390         struct scsi_qla_host *vp;
4391         struct req_que *req = ha->req_q_map[0];
4392         unsigned long flags;
4393
4394         if (vha->flags.online) {
4395                 qla2x00_abort_isp_cleanup(vha);
4396
4397                 if (IS_QLA8031(ha)) {
4398                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4399                             "Clearing fcoe driver presence.\n");
4400                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4401                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4402                                     "Error while clearing DRV-Presence.\n");
4403                 }
4404
4405                 if (unlikely(pci_channel_offline(ha->pdev) &&
4406                     ha->flags.pci_channel_io_perm_failure)) {
4407                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4408                         status = 0;
4409                         return status;
4410                 }
4411
4412                 ha->isp_ops->get_flash_version(vha, req->ring);
4413
4414                 ha->isp_ops->nvram_config(vha);
4415
4416                 if (!qla2x00_restart_isp(vha)) {
4417                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4418
4419                         if (!atomic_read(&vha->loop_down_timer)) {
4420                                 /*
4421                                  * Issue marker command only when we are going
4422                                  * to start the I/O .
4423                                  */
4424                                 vha->marker_needed = 1;
4425                         }
4426
4427                         vha->flags.online = 1;
4428
4429                         ha->isp_ops->enable_intrs(ha);
4430
4431                         ha->isp_abort_cnt = 0;
4432                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4433
4434                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4435                                 qla2x00_get_fw_version(vha);
4436                         if (ha->fce) {
4437                                 ha->flags.fce_enabled = 1;
4438                                 memset(ha->fce, 0,
4439                                     fce_calc_size(ha->fce_bufs));
4440                                 rval = qla2x00_enable_fce_trace(vha,
4441                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4442                                     &ha->fce_bufs);
4443                                 if (rval) {
4444                                         ql_log(ql_log_warn, vha, 0x8033,
4445                                             "Unable to reinitialize FCE "
4446                                             "(%d).\n", rval);
4447                                         ha->flags.fce_enabled = 0;
4448                                 }
4449                         }
4450
4451                         if (ha->eft) {
4452                                 memset(ha->eft, 0, EFT_SIZE);
4453                                 rval = qla2x00_enable_eft_trace(vha,
4454                                     ha->eft_dma, EFT_NUM_BUFFERS);
4455                                 if (rval) {
4456                                         ql_log(ql_log_warn, vha, 0x8034,
4457                                             "Unable to reinitialize EFT "
4458                                             "(%d).\n", rval);
4459                                 }
4460                         }
4461                 } else {        /* failed the ISP abort */
4462                         vha->flags.online = 1;
4463                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4464                                 if (ha->isp_abort_cnt == 0) {
4465                                         ql_log(ql_log_fatal, vha, 0x8035,
4466                                             "ISP error recover failed - "
4467                                             "board disabled.\n");
4468                                         /*
4469                                          * The next call disables the board
4470                                          * completely.
4471                                          */
4472                                         ha->isp_ops->reset_adapter(vha);
4473                                         vha->flags.online = 0;
4474                                         clear_bit(ISP_ABORT_RETRY,
4475                                             &vha->dpc_flags);
4476                                         status = 0;
4477                                 } else { /* schedule another ISP abort */
4478                                         ha->isp_abort_cnt--;
4479                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4480                                             "ISP abort - retry remaining %d.\n",
4481                                             ha->isp_abort_cnt);
4482                                         status = 1;
4483                                 }
4484                         } else {
4485                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4486                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4487                                     "ISP error recovery - retrying (%d) "
4488                                     "more times.\n", ha->isp_abort_cnt);
4489                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4490                                 status = 1;
4491                         }
4492                 }
4493
4494         }
4495
4496         if (!status) {
4497                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4498
4499                 spin_lock_irqsave(&ha->vport_slock, flags);
4500                 list_for_each_entry(vp, &ha->vp_list, list) {
4501                         if (vp->vp_idx) {
4502                                 atomic_inc(&vp->vref_count);
4503                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4504
4505                                 qla2x00_vp_abort_isp(vp);
4506
4507                                 spin_lock_irqsave(&ha->vport_slock, flags);
4508                                 atomic_dec(&vp->vref_count);
4509                         }
4510                 }
4511                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4512
4513                 if (IS_QLA8031(ha)) {
4514                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4515                             "Setting back fcoe driver presence.\n");
4516                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4517                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4518                                     "Error while setting DRV-Presence.\n");
4519                 }
4520         } else {
4521                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4522                        __func__);
4523         }
4524
4525         return(status);
4526 }
4527
4528 /*
4529 *  qla2x00_restart_isp
4530 *      restarts the ISP after a reset
4531 *
4532 * Input:
4533 *      ha = adapter block pointer.
4534 *
4535 * Returns:
4536 *      0 = success
4537 */
4538 static int
4539 qla2x00_restart_isp(scsi_qla_host_t *vha)
4540 {
4541         int status = 0;
4542         uint32_t wait_time;
4543         struct qla_hw_data *ha = vha->hw;
4544         struct req_que *req = ha->req_q_map[0];
4545         struct rsp_que *rsp = ha->rsp_q_map[0];
4546         unsigned long flags;
4547
4548         /* If firmware needs to be loaded */
4549         if (qla2x00_isp_firmware(vha)) {
4550                 vha->flags.online = 0;
4551                 status = ha->isp_ops->chip_diag(vha);
4552                 if (!status)
4553                         status = qla2x00_setup_chip(vha);
4554         }
4555
4556         if (!status && !(status = qla2x00_init_rings(vha))) {
4557                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4558                 ha->flags.chip_reset_done = 1;
4559                 /* Initialize the queues in use */
4560                 qla25xx_init_queues(ha);
4561
4562                 status = qla2x00_fw_ready(vha);
4563                 if (!status) {
4564                         ql_dbg(ql_dbg_taskm, vha, 0x8031,
4565                             "Start configure loop status = %d.\n", status);
4566
4567                         /* Issue a marker after FW becomes ready. */
4568                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4569
4570                         vha->flags.online = 1;
4571
4572                         /*
4573                          * Process any ATIO queue entries that came in
4574                          * while we weren't online.
4575                          */
4576                         spin_lock_irqsave(&ha->hardware_lock, flags);
4577                         if (qla_tgt_mode_enabled(vha))
4578                                 qlt_24xx_process_atio_queue(vha);
4579                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4580
4581                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4582                         wait_time = 256;
4583                         do {
4584                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4585                                 qla2x00_configure_loop(vha);
4586                                 wait_time--;
4587                         } while (!atomic_read(&vha->loop_down_timer) &&
4588                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4589                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4590                                 &vha->dpc_flags)));
4591                 }
4592
4593                 /* if no cable then assume it's good */
4594                 if ((vha->device_flags & DFLG_NO_CABLE))
4595                         status = 0;
4596
4597                 ql_dbg(ql_dbg_taskm, vha, 0x8032,
4598                     "Configure loop done, status = 0x%x.\n", status);
4599         }
4600         return (status);
4601 }
4602
4603 static int
4604 qla25xx_init_queues(struct qla_hw_data *ha)
4605 {
4606         struct rsp_que *rsp = NULL;
4607         struct req_que *req = NULL;
4608         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4609         int ret = -1;
4610         int i;
4611
4612         for (i = 1; i < ha->max_rsp_queues; i++) {
4613                 rsp = ha->rsp_q_map[i];
4614                 if (rsp) {
4615                         rsp->options &= ~BIT_0;
4616                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4617                         if (ret != QLA_SUCCESS)
4618                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4619                                     "%s Rsp que: %d init failed.\n",
4620                                     __func__, rsp->id);
4621                         else
4622                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4623                                     "%s Rsp que: %d inited.\n",
4624                                     __func__, rsp->id);
4625                 }
4626         }
4627         for (i = 1; i < ha->max_req_queues; i++) {
4628                 req = ha->req_q_map[i];
4629                 if (req) {
4630                 /* Clear outstanding commands array. */
4631                         req->options &= ~BIT_0;
4632                         ret = qla25xx_init_req_que(base_vha, req);
4633                         if (ret != QLA_SUCCESS)
4634                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4635                                     "%s Req que: %d init failed.\n",
4636                                     __func__, req->id);
4637                         else
4638                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4639                                     "%s Req que: %d inited.\n",
4640                                     __func__, req->id);
4641                 }
4642         }
4643         return ret;
4644 }
4645
4646 /*
4647 * qla2x00_reset_adapter
4648 *      Reset adapter.
4649 *
4650 * Input:
4651 *      ha = adapter block pointer.
4652 */
4653 void
4654 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4655 {
4656         unsigned long flags = 0;
4657         struct qla_hw_data *ha = vha->hw;
4658         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4659
4660         vha->flags.online = 0;
4661         ha->isp_ops->disable_intrs(ha);
4662
4663         spin_lock_irqsave(&ha->hardware_lock, flags);
4664         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4665         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4666         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4667         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4668         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4669 }
4670
4671 void
4672 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4673 {
4674         unsigned long flags = 0;
4675         struct qla_hw_data *ha = vha->hw;
4676         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4677
4678         if (IS_QLA82XX(ha))
4679                 return;
4680
4681         vha->flags.online = 0;
4682         ha->isp_ops->disable_intrs(ha);
4683
4684         spin_lock_irqsave(&ha->hardware_lock, flags);
4685         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4686         RD_REG_DWORD(&reg->hccr);
4687         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4688         RD_REG_DWORD(&reg->hccr);
4689         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4690
4691         if (IS_NOPOLLING_TYPE(ha))
4692                 ha->isp_ops->enable_intrs(ha);
4693 }
4694
4695 /* On sparc systems, obtain port and node WWN from firmware
4696  * properties.
4697  */
4698 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4699         struct nvram_24xx *nv)
4700 {
4701 #ifdef CONFIG_SPARC
4702         struct qla_hw_data *ha = vha->hw;
4703         struct pci_dev *pdev = ha->pdev;
4704         struct device_node *dp = pci_device_to_OF_node(pdev);
4705         const u8 *val;
4706         int len;
4707
4708         val = of_get_property(dp, "port-wwn", &len);
4709         if (val && len >= WWN_SIZE)
4710                 memcpy(nv->port_name, val, WWN_SIZE);
4711
4712         val = of_get_property(dp, "node-wwn", &len);
4713         if (val && len >= WWN_SIZE)
4714                 memcpy(nv->node_name, val, WWN_SIZE);
4715 #endif
4716 }
4717
4718 int
4719 qla24xx_nvram_config(scsi_qla_host_t *vha)
4720 {
4721         int   rval;
4722         struct init_cb_24xx *icb;
4723         struct nvram_24xx *nv;
4724         uint32_t *dptr;
4725         uint8_t  *dptr1, *dptr2;
4726         uint32_t chksum;
4727         uint16_t cnt;
4728         struct qla_hw_data *ha = vha->hw;
4729
4730         rval = QLA_SUCCESS;
4731         icb = (struct init_cb_24xx *)ha->init_cb;
4732         nv = ha->nvram;
4733
4734         /* Determine NVRAM starting address. */
4735         if (ha->flags.port0) {
4736                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4737                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4738         } else {
4739                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4740                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4741         }
4742         ha->nvram_size = sizeof(struct nvram_24xx);
4743         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4744         if (IS_QLA82XX(ha))
4745                 ha->vpd_size = FA_VPD_SIZE_82XX;
4746
4747         /* Get VPD data into cache */
4748         ha->vpd = ha->nvram + VPD_OFFSET;
4749         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4750             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4751
4752         /* Get NVRAM data into cache and calculate checksum. */
4753         dptr = (uint32_t *)nv;
4754         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4755             ha->nvram_size);
4756         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4757                 chksum += le32_to_cpu(*dptr++);
4758
4759         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4760             "Contents of NVRAM\n");
4761         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4762             (uint8_t *)nv, ha->nvram_size);
4763
4764         /* Bad NVRAM data, set defaults parameters. */
4765         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4766             || nv->id[3] != ' ' ||
4767             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4768                 /* Reset NVRAM data. */
4769                 ql_log(ql_log_warn, vha, 0x006b,
4770                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
4771                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4772                 ql_log(ql_log_warn, vha, 0x006c,
4773                     "Falling back to functioning (yet invalid -- WWPN) "
4774                     "defaults.\n");
4775
4776                 /*
4777                  * Set default initialization control block.
4778                  */
4779                 memset(nv, 0, ha->nvram_size);
4780                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4781                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4782                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4783                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4784                 nv->exchange_count = __constant_cpu_to_le16(0);
4785                 nv->hard_address = __constant_cpu_to_le16(124);
4786                 nv->port_name[0] = 0x21;
4787                 nv->port_name[1] = 0x00 + ha->port_no;
4788                 nv->port_name[2] = 0x00;
4789                 nv->port_name[3] = 0xe0;
4790                 nv->port_name[4] = 0x8b;
4791                 nv->port_name[5] = 0x1c;
4792                 nv->port_name[6] = 0x55;
4793                 nv->port_name[7] = 0x86;
4794                 nv->node_name[0] = 0x20;
4795                 nv->node_name[1] = 0x00;
4796                 nv->node_name[2] = 0x00;
4797                 nv->node_name[3] = 0xe0;
4798                 nv->node_name[4] = 0x8b;
4799                 nv->node_name[5] = 0x1c;
4800                 nv->node_name[6] = 0x55;
4801                 nv->node_name[7] = 0x86;
4802                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4803                 nv->login_retry_count = __constant_cpu_to_le16(8);
4804                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4805                 nv->login_timeout = __constant_cpu_to_le16(0);
4806                 nv->firmware_options_1 =
4807                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4808                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4809                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4810                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4811                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4812                 nv->efi_parameters = __constant_cpu_to_le32(0);
4813                 nv->reset_delay = 5;
4814                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4815                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4816                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4817
4818                 rval = 1;
4819         }
4820
4821         if (!qla_ini_mode_enabled(vha)) {
4822                 /* Don't enable full login after initial LIP */
4823                 nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
4824                 /* Don't enable LIP full login for initiator */
4825                 nv->host_p &= __constant_cpu_to_le32(~BIT_10);
4826         }
4827
4828         qlt_24xx_config_nvram_stage1(vha, nv);
4829
4830         /* Reset Initialization control block */
4831         memset(icb, 0, ha->init_cb_size);
4832
4833         /* Copy 1st segment. */
4834         dptr1 = (uint8_t *)icb;
4835         dptr2 = (uint8_t *)&nv->version;
4836         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4837         while (cnt--)
4838                 *dptr1++ = *dptr2++;
4839
4840         icb->login_retry_count = nv->login_retry_count;
4841         icb->link_down_on_nos = nv->link_down_on_nos;
4842
4843         /* Copy 2nd segment. */
4844         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4845         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4846         cnt = (uint8_t *)&icb->reserved_3 -
4847             (uint8_t *)&icb->interrupt_delay_timer;
4848         while (cnt--)
4849                 *dptr1++ = *dptr2++;
4850
4851         /*
4852          * Setup driver NVRAM options.
4853          */
4854         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4855             "QLA2462");
4856
4857         qlt_24xx_config_nvram_stage2(vha, icb);
4858
4859         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4860                 /* Use alternate WWN? */
4861                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4862                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4863         }
4864
4865         /* Prepare nodename */
4866         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4867                 /*
4868                  * Firmware will apply the following mask if the nodename was
4869                  * not provided.
4870                  */
4871                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4872                 icb->node_name[0] &= 0xF0;
4873         }
4874
4875         /* Set host adapter parameters. */
4876         ha->flags.disable_risc_code_load = 0;
4877         ha->flags.enable_lip_reset = 0;
4878         ha->flags.enable_lip_full_login =
4879             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4880         ha->flags.enable_target_reset =
4881             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4882         ha->flags.enable_led_scheme = 0;
4883         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4884
4885         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4886             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4887
4888         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4889             sizeof(ha->fw_seriallink_options24));
4890
4891         /* save HBA serial number */
4892         ha->serial0 = icb->port_name[5];
4893         ha->serial1 = icb->port_name[6];
4894         ha->serial2 = icb->port_name[7];
4895         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4896         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4897
4898         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4899
4900         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4901
4902         /* Set minimum login_timeout to 4 seconds. */
4903         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4904                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4905         if (le16_to_cpu(nv->login_timeout) < 4)
4906                 nv->login_timeout = __constant_cpu_to_le16(4);
4907         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4908         icb->login_timeout = nv->login_timeout;
4909
4910         /* Set minimum RATOV to 100 tenths of a second. */
4911         ha->r_a_tov = 100;
4912
4913         ha->loop_reset_delay = nv->reset_delay;
4914
4915         /* Link Down Timeout = 0:
4916          *
4917          *      When Port Down timer expires we will start returning
4918          *      I/O's to OS with "DID_NO_CONNECT".
4919          *
4920          * Link Down Timeout != 0:
4921          *
4922          *       The driver waits for the link to come up after link down
4923          *       before returning I/Os to OS with "DID_NO_CONNECT".
4924          */
4925         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4926                 ha->loop_down_abort_time =
4927                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4928         } else {
4929                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4930                 ha->loop_down_abort_time =
4931                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4932         }
4933
4934         /* Need enough time to try and get the port back. */
4935         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4936         if (qlport_down_retry)
4937                 ha->port_down_retry_count = qlport_down_retry;
4938
4939         /* Set login_retry_count */
4940         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4941         if (ha->port_down_retry_count ==
4942             le16_to_cpu(nv->port_down_retry_count) &&
4943             ha->port_down_retry_count > 3)
4944                 ha->login_retry_count = ha->port_down_retry_count;
4945         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4946                 ha->login_retry_count = ha->port_down_retry_count;
4947         if (ql2xloginretrycount)
4948                 ha->login_retry_count = ql2xloginretrycount;
4949
4950         /* Enable ZIO. */
4951         if (!vha->flags.init_done) {
4952                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4953                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4954                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4955                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4956         }
4957         icb->firmware_options_2 &= __constant_cpu_to_le32(
4958             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4959         vha->flags.process_response_queue = 0;
4960         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4961                 ha->zio_mode = QLA_ZIO_MODE_6;
4962
4963                 ql_log(ql_log_info, vha, 0x006f,
4964                     "ZIO mode %d enabled; timer delay (%d us).\n",
4965                     ha->zio_mode, ha->zio_timer * 100);
4966
4967                 icb->firmware_options_2 |= cpu_to_le32(
4968                     (uint32_t)ha->zio_mode);
4969                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4970                 vha->flags.process_response_queue = 1;
4971         }
4972
4973         if (rval) {
4974                 ql_log(ql_log_warn, vha, 0x0070,
4975                     "NVRAM configuration failed.\n");
4976         }
4977         return (rval);
4978 }
4979
4980 static int
4981 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4982     uint32_t faddr)
4983 {
4984         int     rval = QLA_SUCCESS;
4985         int     segments, fragment;
4986         uint32_t *dcode, dlen;
4987         uint32_t risc_addr;
4988         uint32_t risc_size;
4989         uint32_t i;
4990         struct qla_hw_data *ha = vha->hw;
4991         struct req_que *req = ha->req_q_map[0];
4992
4993         ql_dbg(ql_dbg_init, vha, 0x008b,
4994             "FW: Loading firmware from flash (%x).\n", faddr);
4995
4996         rval = QLA_SUCCESS;
4997
4998         segments = FA_RISC_CODE_SEGMENTS;
4999         dcode = (uint32_t *)req->ring;
5000         *srisc_addr = 0;
5001
5002         /* Validate firmware image by checking version. */
5003         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5004         for (i = 0; i < 4; i++)
5005                 dcode[i] = be32_to_cpu(dcode[i]);
5006         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5007             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5008             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5009                 dcode[3] == 0)) {
5010                 ql_log(ql_log_fatal, vha, 0x008c,
5011                     "Unable to verify the integrity of flash firmware "
5012                     "image.\n");
5013                 ql_log(ql_log_fatal, vha, 0x008d,
5014                     "Firmware data: %08x %08x %08x %08x.\n",
5015                     dcode[0], dcode[1], dcode[2], dcode[3]);
5016
5017                 return QLA_FUNCTION_FAILED;
5018         }
5019
5020         while (segments && rval == QLA_SUCCESS) {
5021                 /* Read segment's load information. */
5022                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5023
5024                 risc_addr = be32_to_cpu(dcode[2]);
5025                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5026                 risc_size = be32_to_cpu(dcode[3]);
5027
5028                 fragment = 0;
5029                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5030                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5031                         if (dlen > risc_size)
5032                                 dlen = risc_size;
5033
5034                         ql_dbg(ql_dbg_init, vha, 0x008e,
5035                             "Loading risc segment@ risc addr %x "
5036                             "number of dwords 0x%x offset 0x%x.\n",
5037                             risc_addr, dlen, faddr);
5038
5039                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5040                         for (i = 0; i < dlen; i++)
5041                                 dcode[i] = swab32(dcode[i]);
5042
5043                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5044                             dlen);
5045                         if (rval) {
5046                                 ql_log(ql_log_fatal, vha, 0x008f,
5047                                     "Failed to load segment %d of firmware.\n",
5048                                     fragment);
5049                                 break;
5050                         }
5051
5052                         faddr += dlen;
5053                         risc_addr += dlen;
5054                         risc_size -= dlen;
5055                         fragment++;
5056                 }
5057
5058                 /* Next segment. */
5059                 segments--;
5060         }
5061
5062         return rval;
5063 }
5064
5065 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5066
5067 int
5068 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5069 {
5070         int     rval;
5071         int     i, fragment;
5072         uint16_t *wcode, *fwcode;
5073         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5074         struct fw_blob *blob;
5075         struct qla_hw_data *ha = vha->hw;
5076         struct req_que *req = ha->req_q_map[0];
5077
5078         /* Load firmware blob. */
5079         blob = qla2x00_request_firmware(vha);
5080         if (!blob) {
5081                 ql_log(ql_log_info, vha, 0x0083,
5082                     "Fimware image unavailable.\n");
5083                 ql_log(ql_log_info, vha, 0x0084,
5084                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5085                 return QLA_FUNCTION_FAILED;
5086         }
5087
5088         rval = QLA_SUCCESS;
5089
5090         wcode = (uint16_t *)req->ring;
5091         *srisc_addr = 0;
5092         fwcode = (uint16_t *)blob->fw->data;
5093         fwclen = 0;
5094
5095         /* Validate firmware image by checking version. */
5096         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5097                 ql_log(ql_log_fatal, vha, 0x0085,
5098                     "Unable to verify integrity of firmware image (%Zd).\n",
5099                     blob->fw->size);
5100                 goto fail_fw_integrity;
5101         }
5102         for (i = 0; i < 4; i++)
5103                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5104         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5105             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5106                 wcode[2] == 0 && wcode[3] == 0)) {
5107                 ql_log(ql_log_fatal, vha, 0x0086,
5108                     "Unable to verify integrity of firmware image.\n");
5109                 ql_log(ql_log_fatal, vha, 0x0087,
5110                     "Firmware data: %04x %04x %04x %04x.\n",
5111                     wcode[0], wcode[1], wcode[2], wcode[3]);
5112                 goto fail_fw_integrity;
5113         }
5114
5115         seg = blob->segs;
5116         while (*seg && rval == QLA_SUCCESS) {
5117                 risc_addr = *seg;
5118                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5119                 risc_size = be16_to_cpu(fwcode[3]);
5120
5121                 /* Validate firmware image size. */
5122                 fwclen += risc_size * sizeof(uint16_t);
5123                 if (blob->fw->size < fwclen) {
5124                         ql_log(ql_log_fatal, vha, 0x0088,
5125                             "Unable to verify integrity of firmware image "
5126                             "(%Zd).\n", blob->fw->size);
5127                         goto fail_fw_integrity;
5128                 }
5129
5130                 fragment = 0;
5131                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5132                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5133                         if (wlen > risc_size)
5134                                 wlen = risc_size;
5135                         ql_dbg(ql_dbg_init, vha, 0x0089,
5136                             "Loading risc segment@ risc addr %x number of "
5137                             "words 0x%x.\n", risc_addr, wlen);
5138
5139                         for (i = 0; i < wlen; i++)
5140                                 wcode[i] = swab16(fwcode[i]);
5141
5142                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5143                             wlen);
5144                         if (rval) {
5145                                 ql_log(ql_log_fatal, vha, 0x008a,
5146                                     "Failed to load segment %d of firmware.\n",
5147                                     fragment);
5148                                 break;
5149                         }
5150
5151                         fwcode += wlen;
5152                         risc_addr += wlen;
5153                         risc_size -= wlen;
5154                         fragment++;
5155                 }
5156
5157                 /* Next segment. */
5158                 seg++;
5159         }
5160         return rval;
5161
5162 fail_fw_integrity:
5163         return QLA_FUNCTION_FAILED;
5164 }
5165
5166 static int
5167 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5168 {
5169         int     rval;
5170         int     segments, fragment;
5171         uint32_t *dcode, dlen;
5172         uint32_t risc_addr;
5173         uint32_t risc_size;
5174         uint32_t i;
5175         struct fw_blob *blob;
5176         uint32_t *fwcode, fwclen;
5177         struct qla_hw_data *ha = vha->hw;
5178         struct req_que *req = ha->req_q_map[0];
5179
5180         /* Load firmware blob. */
5181         blob = qla2x00_request_firmware(vha);
5182         if (!blob) {
5183                 ql_log(ql_log_warn, vha, 0x0090,
5184                     "Fimware image unavailable.\n");
5185                 ql_log(ql_log_warn, vha, 0x0091,
5186                     "Firmware images can be retrieved from: "
5187                     QLA_FW_URL ".\n");
5188
5189                 return QLA_FUNCTION_FAILED;
5190         }
5191
5192         ql_dbg(ql_dbg_init, vha, 0x0092,
5193             "FW: Loading via request-firmware.\n");
5194
5195         rval = QLA_SUCCESS;
5196
5197         segments = FA_RISC_CODE_SEGMENTS;
5198         dcode = (uint32_t *)req->ring;
5199         *srisc_addr = 0;
5200         fwcode = (uint32_t *)blob->fw->data;
5201         fwclen = 0;
5202
5203         /* Validate firmware image by checking version. */
5204         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5205                 ql_log(ql_log_fatal, vha, 0x0093,
5206                     "Unable to verify integrity of firmware image (%Zd).\n",
5207                     blob->fw->size);
5208                 goto fail_fw_integrity;
5209         }
5210         for (i = 0; i < 4; i++)
5211                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5212         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5213             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5214             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5215                 dcode[3] == 0)) {
5216                 ql_log(ql_log_fatal, vha, 0x0094,
5217                     "Unable to verify integrity of firmware image (%Zd).\n",
5218                     blob->fw->size);
5219                 ql_log(ql_log_fatal, vha, 0x0095,
5220                     "Firmware data: %08x %08x %08x %08x.\n",
5221                     dcode[0], dcode[1], dcode[2], dcode[3]);
5222                 goto fail_fw_integrity;
5223         }
5224
5225         while (segments && rval == QLA_SUCCESS) {
5226                 risc_addr = be32_to_cpu(fwcode[2]);
5227                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5228                 risc_size = be32_to_cpu(fwcode[3]);
5229
5230                 /* Validate firmware image size. */
5231                 fwclen += risc_size * sizeof(uint32_t);
5232                 if (blob->fw->size < fwclen) {
5233                         ql_log(ql_log_fatal, vha, 0x0096,
5234                             "Unable to verify integrity of firmware image "
5235                             "(%Zd).\n", blob->fw->size);
5236
5237                         goto fail_fw_integrity;
5238                 }
5239
5240                 fragment = 0;
5241                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5242                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5243                         if (dlen > risc_size)
5244                                 dlen = risc_size;
5245
5246                         ql_dbg(ql_dbg_init, vha, 0x0097,
5247                             "Loading risc segment@ risc addr %x "
5248                             "number of dwords 0x%x.\n", risc_addr, dlen);
5249
5250                         for (i = 0; i < dlen; i++)
5251                                 dcode[i] = swab32(fwcode[i]);
5252
5253                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5254                             dlen);
5255                         if (rval) {
5256                                 ql_log(ql_log_fatal, vha, 0x0098,
5257                                     "Failed to load segment %d of firmware.\n",
5258                                     fragment);
5259                                 break;
5260                         }
5261
5262                         fwcode += dlen;
5263                         risc_addr += dlen;
5264                         risc_size -= dlen;
5265                         fragment++;
5266                 }
5267
5268                 /* Next segment. */
5269                 segments--;
5270         }
5271         return rval;
5272
5273 fail_fw_integrity:
5274         return QLA_FUNCTION_FAILED;
5275 }
5276
5277 int
5278 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5279 {
5280         int rval;
5281
5282         if (ql2xfwloadbin == 1)
5283                 return qla81xx_load_risc(vha, srisc_addr);
5284
5285         /*
5286          * FW Load priority:
5287          * 1) Firmware via request-firmware interface (.bin file).
5288          * 2) Firmware residing in flash.
5289          */
5290         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5291         if (rval == QLA_SUCCESS)
5292                 return rval;
5293
5294         return qla24xx_load_risc_flash(vha, srisc_addr,
5295             vha->hw->flt_region_fw);
5296 }
5297
5298 int
5299 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5300 {
5301         int rval;
5302         struct qla_hw_data *ha = vha->hw;
5303
5304         if (ql2xfwloadbin == 2)
5305                 goto try_blob_fw;
5306
5307         /*
5308          * FW Load priority:
5309          * 1) Firmware residing in flash.
5310          * 2) Firmware via request-firmware interface (.bin file).
5311          * 3) Golden-Firmware residing in flash -- limited operation.
5312          */
5313         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5314         if (rval == QLA_SUCCESS)
5315                 return rval;
5316
5317 try_blob_fw:
5318         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5319         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5320                 return rval;
5321
5322         ql_log(ql_log_info, vha, 0x0099,
5323             "Attempting to fallback to golden firmware.\n");
5324         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5325         if (rval != QLA_SUCCESS)
5326                 return rval;
5327
5328         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5329         ha->flags.running_gold_fw = 1;
5330         return rval;
5331 }
5332
5333 void
5334 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5335 {
5336         int ret, retries;
5337         struct qla_hw_data *ha = vha->hw;
5338
5339         if (ha->flags.pci_channel_io_perm_failure)
5340                 return;
5341         if (!IS_FWI2_CAPABLE(ha))
5342                 return;
5343         if (!ha->fw_major_version)
5344                 return;
5345
5346         ret = qla2x00_stop_firmware(vha);
5347         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5348             ret != QLA_INVALID_COMMAND && retries ; retries--) {
5349                 ha->isp_ops->reset_chip(vha);
5350                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5351                         continue;
5352                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5353                         continue;
5354                 ql_log(ql_log_info, vha, 0x8015,
5355                     "Attempting retry of stop-firmware command.\n");
5356                 ret = qla2x00_stop_firmware(vha);
5357         }
5358 }
5359
5360 int
5361 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5362 {
5363         int rval = QLA_SUCCESS;
5364         int rval2;
5365         uint16_t mb[MAILBOX_REGISTER_COUNT];
5366         struct qla_hw_data *ha = vha->hw;
5367         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5368         struct req_que *req;
5369         struct rsp_que *rsp;
5370
5371         if (!vha->vp_idx)
5372                 return -EINVAL;
5373
5374         rval = qla2x00_fw_ready(base_vha);
5375         if (ha->flags.cpu_affinity_enabled)
5376                 req = ha->req_q_map[0];
5377         else
5378                 req = vha->req;
5379         rsp = req->rsp;
5380
5381         if (rval == QLA_SUCCESS) {
5382                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5383                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5384         }
5385
5386         vha->flags.management_server_logged_in = 0;
5387
5388         /* Login to SNS first */
5389         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5390             BIT_1);
5391         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5392                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5393                         ql_dbg(ql_dbg_init, vha, 0x0120,
5394                             "Failed SNS login: loop_id=%x, rval2=%d\n",
5395                             NPH_SNS, rval2);
5396                 else
5397                         ql_dbg(ql_dbg_init, vha, 0x0103,
5398                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5399                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5400                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5401                 return (QLA_FUNCTION_FAILED);
5402         }
5403
5404         atomic_set(&vha->loop_down_timer, 0);
5405         atomic_set(&vha->loop_state, LOOP_UP);
5406         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5407         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5408         rval = qla2x00_loop_resync(base_vha);
5409
5410         return rval;
5411 }
5412
5413 /* 84XX Support **************************************************************/
5414
5415 static LIST_HEAD(qla_cs84xx_list);
5416 static DEFINE_MUTEX(qla_cs84xx_mutex);
5417
5418 static struct qla_chip_state_84xx *
5419 qla84xx_get_chip(struct scsi_qla_host *vha)
5420 {
5421         struct qla_chip_state_84xx *cs84xx;
5422         struct qla_hw_data *ha = vha->hw;
5423
5424         mutex_lock(&qla_cs84xx_mutex);
5425
5426         /* Find any shared 84xx chip. */
5427         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5428                 if (cs84xx->bus == ha->pdev->bus) {
5429                         kref_get(&cs84xx->kref);
5430                         goto done;
5431                 }
5432         }
5433
5434         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5435         if (!cs84xx)
5436                 goto done;
5437
5438         kref_init(&cs84xx->kref);
5439         spin_lock_init(&cs84xx->access_lock);
5440         mutex_init(&cs84xx->fw_update_mutex);
5441         cs84xx->bus = ha->pdev->bus;
5442
5443         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5444 done:
5445         mutex_unlock(&qla_cs84xx_mutex);
5446         return cs84xx;
5447 }
5448
5449 static void
5450 __qla84xx_chip_release(struct kref *kref)
5451 {
5452         struct qla_chip_state_84xx *cs84xx =
5453             container_of(kref, struct qla_chip_state_84xx, kref);
5454
5455         mutex_lock(&qla_cs84xx_mutex);
5456         list_del(&cs84xx->list);
5457         mutex_unlock(&qla_cs84xx_mutex);
5458         kfree(cs84xx);
5459 }
5460
5461 void
5462 qla84xx_put_chip(struct scsi_qla_host *vha)
5463 {
5464         struct qla_hw_data *ha = vha->hw;
5465         if (ha->cs84xx)
5466                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5467 }
5468
5469 static int
5470 qla84xx_init_chip(scsi_qla_host_t *vha)
5471 {
5472         int rval;
5473         uint16_t status[2];
5474         struct qla_hw_data *ha = vha->hw;
5475
5476         mutex_lock(&ha->cs84xx->fw_update_mutex);
5477
5478         rval = qla84xx_verify_chip(vha, status);
5479
5480         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5481
5482         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5483             QLA_SUCCESS;
5484 }
5485
5486 /* 81XX Support **************************************************************/
5487
5488 int
5489 qla81xx_nvram_config(scsi_qla_host_t *vha)
5490 {
5491         int   rval;
5492         struct init_cb_81xx *icb;
5493         struct nvram_81xx *nv;
5494         uint32_t *dptr;
5495         uint8_t  *dptr1, *dptr2;
5496         uint32_t chksum;
5497         uint16_t cnt;
5498         struct qla_hw_data *ha = vha->hw;
5499
5500         rval = QLA_SUCCESS;
5501         icb = (struct init_cb_81xx *)ha->init_cb;
5502         nv = ha->nvram;
5503
5504         /* Determine NVRAM starting address. */
5505         ha->nvram_size = sizeof(struct nvram_81xx);
5506         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5507
5508         /* Get VPD data into cache */
5509         ha->vpd = ha->nvram + VPD_OFFSET;
5510         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5511             ha->vpd_size);
5512
5513         /* Get NVRAM data into cache and calculate checksum. */
5514         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5515             ha->nvram_size);
5516         dptr = (uint32_t *)nv;
5517         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5518                 chksum += le32_to_cpu(*dptr++);
5519
5520         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5521             "Contents of NVRAM:\n");
5522         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5523             (uint8_t *)nv, ha->nvram_size);
5524
5525         /* Bad NVRAM data, set defaults parameters. */
5526         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5527             || nv->id[3] != ' ' ||
5528             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5529                 /* Reset NVRAM data. */
5530                 ql_log(ql_log_info, vha, 0x0073,
5531                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5532                     "version=0x%x.\n", chksum, nv->id[0],
5533                     le16_to_cpu(nv->nvram_version));
5534                 ql_log(ql_log_info, vha, 0x0074,
5535                     "Falling back to functioning (yet invalid -- WWPN) "
5536                     "defaults.\n");
5537
5538                 /*
5539                  * Set default initialization control block.
5540                  */
5541                 memset(nv, 0, ha->nvram_size);
5542                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5543                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5544                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5545                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5546                 nv->exchange_count = __constant_cpu_to_le16(0);
5547                 nv->port_name[0] = 0x21;
5548                 nv->port_name[1] = 0x00 + ha->port_no;
5549                 nv->port_name[2] = 0x00;
5550                 nv->port_name[3] = 0xe0;
5551                 nv->port_name[4] = 0x8b;
5552                 nv->port_name[5] = 0x1c;
5553                 nv->port_name[6] = 0x55;
5554                 nv->port_name[7] = 0x86;
5555                 nv->node_name[0] = 0x20;
5556                 nv->node_name[1] = 0x00;
5557                 nv->node_name[2] = 0x00;
5558                 nv->node_name[3] = 0xe0;
5559                 nv->node_name[4] = 0x8b;
5560                 nv->node_name[5] = 0x1c;
5561                 nv->node_name[6] = 0x55;
5562                 nv->node_name[7] = 0x86;
5563                 nv->login_retry_count = __constant_cpu_to_le16(8);
5564                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5565                 nv->login_timeout = __constant_cpu_to_le16(0);
5566                 nv->firmware_options_1 =
5567                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5568                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5569                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5570                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5571                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5572                 nv->efi_parameters = __constant_cpu_to_le32(0);
5573                 nv->reset_delay = 5;
5574                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5575                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5576                 nv->link_down_timeout = __constant_cpu_to_le16(180);
5577                 nv->enode_mac[0] = 0x00;
5578                 nv->enode_mac[1] = 0xC0;
5579                 nv->enode_mac[2] = 0xDD;
5580                 nv->enode_mac[3] = 0x04;
5581                 nv->enode_mac[4] = 0x05;
5582                 nv->enode_mac[5] = 0x06 + ha->port_no;
5583
5584                 rval = 1;
5585         }
5586
5587         if (IS_T10_PI_CAPABLE(ha))
5588                 nv->frame_payload_size &= ~7;
5589
5590         qlt_81xx_config_nvram_stage1(vha, nv);
5591
5592         /* Reset Initialization control block */
5593         memset(icb, 0, ha->init_cb_size);
5594
5595         /* Copy 1st segment. */
5596         dptr1 = (uint8_t *)icb;
5597         dptr2 = (uint8_t *)&nv->version;
5598         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5599         while (cnt--)
5600                 *dptr1++ = *dptr2++;
5601
5602         icb->login_retry_count = nv->login_retry_count;
5603
5604         /* Copy 2nd segment. */
5605         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5606         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5607         cnt = (uint8_t *)&icb->reserved_5 -
5608             (uint8_t *)&icb->interrupt_delay_timer;
5609         while (cnt--)
5610                 *dptr1++ = *dptr2++;
5611
5612         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5613         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5614         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5615                 icb->enode_mac[0] = 0x00;
5616                 icb->enode_mac[1] = 0xC0;
5617                 icb->enode_mac[2] = 0xDD;
5618                 icb->enode_mac[3] = 0x04;
5619                 icb->enode_mac[4] = 0x05;
5620                 icb->enode_mac[5] = 0x06 + ha->port_no;
5621         }
5622
5623         /* Use extended-initialization control block. */
5624         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5625
5626         /*
5627          * Setup driver NVRAM options.
5628          */
5629         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5630             "QLE8XXX");
5631
5632         qlt_81xx_config_nvram_stage2(vha, icb);
5633
5634         /* Use alternate WWN? */
5635         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5636                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5637                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5638         }
5639
5640         /* Prepare nodename */
5641         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5642                 /*
5643                  * Firmware will apply the following mask if the nodename was
5644                  * not provided.
5645                  */
5646                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5647                 icb->node_name[0] &= 0xF0;
5648         }
5649
5650         /* Set host adapter parameters. */
5651         ha->flags.disable_risc_code_load = 0;
5652         ha->flags.enable_lip_reset = 0;
5653         ha->flags.enable_lip_full_login =
5654             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5655         ha->flags.enable_target_reset =
5656             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5657         ha->flags.enable_led_scheme = 0;
5658         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5659
5660         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5661             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5662
5663         /* save HBA serial number */
5664         ha->serial0 = icb->port_name[5];
5665         ha->serial1 = icb->port_name[6];
5666         ha->serial2 = icb->port_name[7];
5667         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5668         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5669
5670         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5671
5672         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5673
5674         /* Set minimum login_timeout to 4 seconds. */
5675         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5676                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5677         if (le16_to_cpu(nv->login_timeout) < 4)
5678                 nv->login_timeout = __constant_cpu_to_le16(4);
5679         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5680         icb->login_timeout = nv->login_timeout;
5681
5682         /* Set minimum RATOV to 100 tenths of a second. */
5683         ha->r_a_tov = 100;
5684
5685         ha->loop_reset_delay = nv->reset_delay;
5686
5687         /* Link Down Timeout = 0:
5688          *
5689          *      When Port Down timer expires we will start returning
5690          *      I/O's to OS with "DID_NO_CONNECT".
5691          *
5692          * Link Down Timeout != 0:
5693          *
5694          *       The driver waits for the link to come up after link down
5695          *       before returning I/Os to OS with "DID_NO_CONNECT".
5696          */
5697         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5698                 ha->loop_down_abort_time =
5699                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5700         } else {
5701                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5702                 ha->loop_down_abort_time =
5703                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5704         }
5705
5706         /* Need enough time to try and get the port back. */
5707         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5708         if (qlport_down_retry)
5709                 ha->port_down_retry_count = qlport_down_retry;
5710
5711         /* Set login_retry_count */
5712         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5713         if (ha->port_down_retry_count ==
5714             le16_to_cpu(nv->port_down_retry_count) &&
5715             ha->port_down_retry_count > 3)
5716                 ha->login_retry_count = ha->port_down_retry_count;
5717         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5718                 ha->login_retry_count = ha->port_down_retry_count;
5719         if (ql2xloginretrycount)
5720                 ha->login_retry_count = ql2xloginretrycount;
5721
5722         /* if not running MSI-X we need handshaking on interrupts */
5723         if (!vha->hw->flags.msix_enabled && IS_QLA83XX(ha))
5724                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22);
5725
5726         /* Enable ZIO. */
5727         if (!vha->flags.init_done) {
5728                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5729                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5730                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5731                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5732         }
5733         icb->firmware_options_2 &= __constant_cpu_to_le32(
5734             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5735         vha->flags.process_response_queue = 0;
5736         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5737                 ha->zio_mode = QLA_ZIO_MODE_6;
5738
5739                 ql_log(ql_log_info, vha, 0x0075,
5740                     "ZIO mode %d enabled; timer delay (%d us).\n",
5741                     ha->zio_mode,
5742                     ha->zio_timer * 100);
5743
5744                 icb->firmware_options_2 |= cpu_to_le32(
5745                     (uint32_t)ha->zio_mode);
5746                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5747                 vha->flags.process_response_queue = 1;
5748         }
5749
5750         if (rval) {
5751                 ql_log(ql_log_warn, vha, 0x0076,
5752                     "NVRAM configuration failed.\n");
5753         }
5754         return (rval);
5755 }
5756
5757 int
5758 qla82xx_restart_isp(scsi_qla_host_t *vha)
5759 {
5760         int status, rval;
5761         uint32_t wait_time;
5762         struct qla_hw_data *ha = vha->hw;
5763         struct req_que *req = ha->req_q_map[0];
5764         struct rsp_que *rsp = ha->rsp_q_map[0];
5765         struct scsi_qla_host *vp;
5766         unsigned long flags;
5767
5768         status = qla2x00_init_rings(vha);
5769         if (!status) {
5770                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5771                 ha->flags.chip_reset_done = 1;
5772
5773                 status = qla2x00_fw_ready(vha);
5774                 if (!status) {
5775                         ql_log(ql_log_info, vha, 0x803c,
5776                             "Start configure loop, status =%d.\n", status);
5777
5778                         /* Issue a marker after FW becomes ready. */
5779                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5780
5781                         vha->flags.online = 1;
5782                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5783                         wait_time = 256;
5784                         do {
5785                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5786                                 qla2x00_configure_loop(vha);
5787                                 wait_time--;
5788                         } while (!atomic_read(&vha->loop_down_timer) &&
5789                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5790                             wait_time &&
5791                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5792                 }
5793
5794                 /* if no cable then assume it's good */
5795                 if ((vha->device_flags & DFLG_NO_CABLE))
5796                         status = 0;
5797
5798                 ql_log(ql_log_info, vha, 0x8000,
5799                     "Configure loop done, status = 0x%x.\n", status);
5800         }
5801
5802         if (!status) {
5803                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5804
5805                 if (!atomic_read(&vha->loop_down_timer)) {
5806                         /*
5807                          * Issue marker command only when we are going
5808                          * to start the I/O .
5809                          */
5810                         vha->marker_needed = 1;
5811                 }
5812
5813                 vha->flags.online = 1;
5814
5815                 ha->isp_ops->enable_intrs(ha);
5816
5817                 ha->isp_abort_cnt = 0;
5818                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5819
5820                 /* Update the firmware version */
5821                 status = qla82xx_check_md_needed(vha);
5822
5823                 if (ha->fce) {
5824                         ha->flags.fce_enabled = 1;
5825                         memset(ha->fce, 0,
5826                             fce_calc_size(ha->fce_bufs));
5827                         rval = qla2x00_enable_fce_trace(vha,
5828                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5829                             &ha->fce_bufs);
5830                         if (rval) {
5831                                 ql_log(ql_log_warn, vha, 0x8001,
5832                                     "Unable to reinitialize FCE (%d).\n",
5833                                     rval);
5834                                 ha->flags.fce_enabled = 0;
5835                         }
5836                 }
5837
5838                 if (ha->eft) {
5839                         memset(ha->eft, 0, EFT_SIZE);
5840                         rval = qla2x00_enable_eft_trace(vha,
5841                             ha->eft_dma, EFT_NUM_BUFFERS);
5842                         if (rval) {
5843                                 ql_log(ql_log_warn, vha, 0x8010,
5844                                     "Unable to reinitialize EFT (%d).\n",
5845                                     rval);
5846                         }
5847                 }
5848         }
5849
5850         if (!status) {
5851                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
5852                     "qla82xx_restart_isp succeeded.\n");
5853
5854                 spin_lock_irqsave(&ha->vport_slock, flags);
5855                 list_for_each_entry(vp, &ha->vp_list, list) {
5856                         if (vp->vp_idx) {
5857                                 atomic_inc(&vp->vref_count);
5858                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5859
5860                                 qla2x00_vp_abort_isp(vp);
5861
5862                                 spin_lock_irqsave(&ha->vport_slock, flags);
5863                                 atomic_dec(&vp->vref_count);
5864                         }
5865                 }
5866                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5867
5868         } else {
5869                 ql_log(ql_log_warn, vha, 0x8016,
5870                     "qla82xx_restart_isp **** FAILED ****.\n");
5871         }
5872
5873         return status;
5874 }
5875
5876 void
5877 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5878 {
5879         struct qla_hw_data *ha = vha->hw;
5880
5881         if (!ql2xetsenable)
5882                 return;
5883
5884         /* Enable ETS Burst. */
5885         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5886         ha->fw_options[2] |= BIT_9;
5887         qla2x00_set_fw_options(vha, ha->fw_options);
5888 }
5889
5890 /*
5891  * qla24xx_get_fcp_prio
5892  *      Gets the fcp cmd priority value for the logged in port.
5893  *      Looks for a match of the port descriptors within
5894  *      each of the fcp prio config entries. If a match is found,
5895  *      the tag (priority) value is returned.
5896  *
5897  * Input:
5898  *      vha = scsi host structure pointer.
5899  *      fcport = port structure pointer.
5900  *
5901  * Return:
5902  *      non-zero (if found)
5903  *      -1 (if not found)
5904  *
5905  * Context:
5906  *      Kernel context
5907  */
5908 static int
5909 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5910 {
5911         int i, entries;
5912         uint8_t pid_match, wwn_match;
5913         int priority;
5914         uint32_t pid1, pid2;
5915         uint64_t wwn1, wwn2;
5916         struct qla_fcp_prio_entry *pri_entry;
5917         struct qla_hw_data *ha = vha->hw;
5918
5919         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5920                 return -1;
5921
5922         priority = -1;
5923         entries = ha->fcp_prio_cfg->num_entries;
5924         pri_entry = &ha->fcp_prio_cfg->entry[0];
5925
5926         for (i = 0; i < entries; i++) {
5927                 pid_match = wwn_match = 0;
5928
5929                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5930                         pri_entry++;
5931                         continue;
5932                 }
5933
5934                 /* check source pid for a match */
5935                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5936                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5937                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5938                         if (pid1 == INVALID_PORT_ID)
5939                                 pid_match++;
5940                         else if (pid1 == pid2)
5941                                 pid_match++;
5942                 }
5943
5944                 /* check destination pid for a match */
5945                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5946                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5947                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5948                         if (pid1 == INVALID_PORT_ID)
5949                                 pid_match++;
5950                         else if (pid1 == pid2)
5951                                 pid_match++;
5952                 }
5953
5954                 /* check source WWN for a match */
5955                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5956                         wwn1 = wwn_to_u64(vha->port_name);
5957                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5958                         if (wwn2 == (uint64_t)-1)
5959                                 wwn_match++;
5960                         else if (wwn1 == wwn2)
5961                                 wwn_match++;
5962                 }
5963
5964                 /* check destination WWN for a match */
5965                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5966                         wwn1 = wwn_to_u64(fcport->port_name);
5967                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5968                         if (wwn2 == (uint64_t)-1)
5969                                 wwn_match++;
5970                         else if (wwn1 == wwn2)
5971                                 wwn_match++;
5972                 }
5973
5974                 if (pid_match == 2 || wwn_match == 2) {
5975                         /* Found a matching entry */
5976                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5977                                 priority = pri_entry->tag;
5978                         break;
5979                 }
5980
5981                 pri_entry++;
5982         }
5983
5984         return priority;
5985 }
5986
5987 /*
5988  * qla24xx_update_fcport_fcp_prio
5989  *      Activates fcp priority for the logged in fc port
5990  *
5991  * Input:
5992  *      vha = scsi host structure pointer.
5993  *      fcp = port structure pointer.
5994  *
5995  * Return:
5996  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5997  *
5998  * Context:
5999  *      Kernel context.
6000  */
6001 int
6002 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6003 {
6004         int ret;
6005         int priority;
6006         uint16_t mb[5];
6007
6008         if (fcport->port_type != FCT_TARGET ||
6009             fcport->loop_id == FC_NO_LOOP_ID)
6010                 return QLA_FUNCTION_FAILED;
6011
6012         priority = qla24xx_get_fcp_prio(vha, fcport);
6013         if (priority < 0)
6014                 return QLA_FUNCTION_FAILED;
6015
6016         if (IS_QLA82XX(vha->hw)) {
6017                 fcport->fcp_prio = priority & 0xf;
6018                 return QLA_SUCCESS;
6019         }
6020
6021         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6022         if (ret == QLA_SUCCESS) {
6023                 if (fcport->fcp_prio != priority)
6024                         ql_dbg(ql_dbg_user, vha, 0x709e,
6025                             "Updated FCP_CMND priority - value=%d loop_id=%d "
6026                             "port_id=%02x%02x%02x.\n", priority,
6027                             fcport->loop_id, fcport->d_id.b.domain,
6028                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6029                 fcport->fcp_prio = priority & 0xf;
6030         } else
6031                 ql_dbg(ql_dbg_user, vha, 0x704f,
6032                     "Unable to update FCP_CMND priority - ret=0x%x for "
6033                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6034                     fcport->d_id.b.domain, fcport->d_id.b.area,
6035                     fcport->d_id.b.al_pa);
6036         return  ret;
6037 }
6038
6039 /*
6040  * qla24xx_update_all_fcp_prio
6041  *      Activates fcp priority for all the logged in ports
6042  *
6043  * Input:
6044  *      ha = adapter block pointer.
6045  *
6046  * Return:
6047  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6048  *
6049  * Context:
6050  *      Kernel context.
6051  */
6052 int
6053 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6054 {
6055         int ret;
6056         fc_port_t *fcport;
6057
6058         ret = QLA_FUNCTION_FAILED;
6059         /* We need to set priority for all logged in ports */
6060         list_for_each_entry(fcport, &vha->vp_fcports, list)
6061                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6062
6063         return ret;
6064 }