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 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 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 /**
1099  * qla24xx_reset_chip() - Reset ISP24xx chip.
1100  * @ha: HA context
1101  *
1102  * Returns 0 on success.
1103  */
1104 void
1105 qla24xx_reset_chip(scsi_qla_host_t *vha)
1106 {
1107         struct qla_hw_data *ha = vha->hw;
1108
1109         if (pci_channel_offline(ha->pdev) &&
1110             ha->flags.pci_channel_io_perm_failure) {
1111                 return;
1112         }
1113
1114         ha->isp_ops->disable_intrs(ha);
1115
1116         /* Perform RISC reset. */
1117         qla24xx_reset_risc(vha);
1118 }
1119
1120 /**
1121  * qla2x00_chip_diag() - Test chip for proper operation.
1122  * @ha: HA context
1123  *
1124  * Returns 0 on success.
1125  */
1126 int
1127 qla2x00_chip_diag(scsi_qla_host_t *vha)
1128 {
1129         int             rval;
1130         struct qla_hw_data *ha = vha->hw;
1131         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1132         unsigned long   flags = 0;
1133         uint16_t        data;
1134         uint32_t        cnt;
1135         uint16_t        mb[5];
1136         struct req_que *req = ha->req_q_map[0];
1137
1138         /* Assume a failed state */
1139         rval = QLA_FUNCTION_FAILED;
1140
1141         ql_dbg(ql_dbg_init, vha, 0x007b,
1142             "Testing device at %lx.\n", (u_long)&reg->flash_address);
1143
1144         spin_lock_irqsave(&ha->hardware_lock, flags);
1145
1146         /* Reset ISP chip. */
1147         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1148
1149         /*
1150          * We need to have a delay here since the card will not respond while
1151          * in reset causing an MCA on some architectures.
1152          */
1153         udelay(20);
1154         data = qla2x00_debounce_register(&reg->ctrl_status);
1155         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1156                 udelay(5);
1157                 data = RD_REG_WORD(&reg->ctrl_status);
1158                 barrier();
1159         }
1160
1161         if (!cnt)
1162                 goto chip_diag_failed;
1163
1164         ql_dbg(ql_dbg_init, vha, 0x007c,
1165             "Reset register cleared by chip reset.\n");
1166
1167         /* Reset RISC processor. */
1168         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1169         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1170
1171         /* Workaround for QLA2312 PCI parity error */
1172         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1173                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1174                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1175                         udelay(5);
1176                         data = RD_MAILBOX_REG(ha, reg, 0);
1177                         barrier();
1178                 }
1179         } else
1180                 udelay(10);
1181
1182         if (!cnt)
1183                 goto chip_diag_failed;
1184
1185         /* Check product ID of chip */
1186         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1187
1188         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1189         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1190         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1191         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1192         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1193             mb[3] != PROD_ID_3) {
1194                 ql_log(ql_log_warn, vha, 0x0062,
1195                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1196                     mb[1], mb[2], mb[3]);
1197
1198                 goto chip_diag_failed;
1199         }
1200         ha->product_id[0] = mb[1];
1201         ha->product_id[1] = mb[2];
1202         ha->product_id[2] = mb[3];
1203         ha->product_id[3] = mb[4];
1204
1205         /* Adjust fw RISC transfer size */
1206         if (req->length > 1024)
1207                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1208         else
1209                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1210                     req->length;
1211
1212         if (IS_QLA2200(ha) &&
1213             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1214                 /* Limit firmware transfer size with a 2200A */
1215                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1216
1217                 ha->device_type |= DT_ISP2200A;
1218                 ha->fw_transfer_size = 128;
1219         }
1220
1221         /* Wrap Incoming Mailboxes Test. */
1222         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1223
1224         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1225         rval = qla2x00_mbx_reg_test(vha);
1226         if (rval)
1227                 ql_log(ql_log_warn, vha, 0x0080,
1228                     "Failed mailbox send register test.\n");
1229         else
1230                 /* Flag a successful rval */
1231                 rval = QLA_SUCCESS;
1232         spin_lock_irqsave(&ha->hardware_lock, flags);
1233
1234 chip_diag_failed:
1235         if (rval)
1236                 ql_log(ql_log_info, vha, 0x0081,
1237                     "Chip diagnostics **** FAILED ****.\n");
1238
1239         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1240
1241         return (rval);
1242 }
1243
1244 /**
1245  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1246  * @ha: HA context
1247  *
1248  * Returns 0 on success.
1249  */
1250 int
1251 qla24xx_chip_diag(scsi_qla_host_t *vha)
1252 {
1253         int rval;
1254         struct qla_hw_data *ha = vha->hw;
1255         struct req_que *req = ha->req_q_map[0];
1256
1257         if (IS_QLA82XX(ha))
1258                 return QLA_SUCCESS;
1259
1260         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1261
1262         rval = qla2x00_mbx_reg_test(vha);
1263         if (rval) {
1264                 ql_log(ql_log_warn, vha, 0x0082,
1265                     "Failed mailbox send register test.\n");
1266         } else {
1267                 /* Flag a successful rval */
1268                 rval = QLA_SUCCESS;
1269         }
1270
1271         return rval;
1272 }
1273
1274 void
1275 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1276 {
1277         int rval;
1278         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1279             eft_size, fce_size, mq_size;
1280         dma_addr_t tc_dma;
1281         void *tc;
1282         struct qla_hw_data *ha = vha->hw;
1283         struct req_que *req = ha->req_q_map[0];
1284         struct rsp_que *rsp = ha->rsp_q_map[0];
1285
1286         if (ha->fw_dump) {
1287                 ql_dbg(ql_dbg_init, vha, 0x00bd,
1288                     "Firmware dump already allocated.\n");
1289                 return;
1290         }
1291
1292         ha->fw_dumped = 0;
1293         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1294         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1295                 fixed_size = sizeof(struct qla2100_fw_dump);
1296         } else if (IS_QLA23XX(ha)) {
1297                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1298                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1299                     sizeof(uint16_t);
1300         } else if (IS_FWI2_CAPABLE(ha)) {
1301                 if (IS_QLA83XX(ha))
1302                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1303                 else if (IS_QLA81XX(ha))
1304                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1305                 else if (IS_QLA25XX(ha))
1306                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1307                 else
1308                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1309                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1310                     sizeof(uint32_t);
1311                 if (ha->mqenable) {
1312                         if (!IS_QLA83XX(ha))
1313                                 mq_size = sizeof(struct qla2xxx_mq_chain);
1314                         /*
1315                          * Allocate maximum buffer size for all queues.
1316                          * Resizing must be done at end-of-dump processing.
1317                          */
1318                         mq_size += ha->max_req_queues *
1319                             (req->length * sizeof(request_t));
1320                         mq_size += ha->max_rsp_queues *
1321                             (rsp->length * sizeof(response_t));
1322                 }
1323                 if (ha->tgt.atio_q_length)
1324                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
1325                 /* Allocate memory for Fibre Channel Event Buffer. */
1326                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha))
1327                         goto try_eft;
1328
1329                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1330                     GFP_KERNEL);
1331                 if (!tc) {
1332                         ql_log(ql_log_warn, vha, 0x00be,
1333                             "Unable to allocate (%d KB) for FCE.\n",
1334                             FCE_SIZE / 1024);
1335                         goto try_eft;
1336                 }
1337
1338                 memset(tc, 0, FCE_SIZE);
1339                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1340                     ha->fce_mb, &ha->fce_bufs);
1341                 if (rval) {
1342                         ql_log(ql_log_warn, vha, 0x00bf,
1343                             "Unable to initialize FCE (%d).\n", rval);
1344                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1345                             tc_dma);
1346                         ha->flags.fce_enabled = 0;
1347                         goto try_eft;
1348                 }
1349                 ql_dbg(ql_dbg_init, vha, 0x00c0,
1350                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1351
1352                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1353                 ha->flags.fce_enabled = 1;
1354                 ha->fce_dma = tc_dma;
1355                 ha->fce = tc;
1356 try_eft:
1357                 /* Allocate memory for Extended Trace Buffer. */
1358                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1359                     GFP_KERNEL);
1360                 if (!tc) {
1361                         ql_log(ql_log_warn, vha, 0x00c1,
1362                             "Unable to allocate (%d KB) for EFT.\n",
1363                             EFT_SIZE / 1024);
1364                         goto cont_alloc;
1365                 }
1366
1367                 memset(tc, 0, EFT_SIZE);
1368                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1369                 if (rval) {
1370                         ql_log(ql_log_warn, vha, 0x00c2,
1371                             "Unable to initialize EFT (%d).\n", rval);
1372                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1373                             tc_dma);
1374                         goto cont_alloc;
1375                 }
1376                 ql_dbg(ql_dbg_init, vha, 0x00c3,
1377                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1378
1379                 eft_size = EFT_SIZE;
1380                 ha->eft_dma = tc_dma;
1381                 ha->eft = tc;
1382         }
1383 cont_alloc:
1384         req_q_size = req->length * sizeof(request_t);
1385         rsp_q_size = rsp->length * sizeof(response_t);
1386
1387         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1388         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1389         ha->chain_offset = dump_size;
1390         dump_size += mq_size + fce_size;
1391
1392         ha->fw_dump = vmalloc(dump_size);
1393         if (!ha->fw_dump) {
1394                 ql_log(ql_log_warn, vha, 0x00c4,
1395                     "Unable to allocate (%d KB) for firmware dump.\n",
1396                     dump_size / 1024);
1397
1398                 if (ha->fce) {
1399                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1400                             ha->fce_dma);
1401                         ha->fce = NULL;
1402                         ha->fce_dma = 0;
1403                 }
1404
1405                 if (ha->eft) {
1406                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1407                             ha->eft_dma);
1408                         ha->eft = NULL;
1409                         ha->eft_dma = 0;
1410                 }
1411                 return;
1412         }
1413         ql_dbg(ql_dbg_init, vha, 0x00c5,
1414             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1415
1416         ha->fw_dump_len = dump_size;
1417         ha->fw_dump->signature[0] = 'Q';
1418         ha->fw_dump->signature[1] = 'L';
1419         ha->fw_dump->signature[2] = 'G';
1420         ha->fw_dump->signature[3] = 'C';
1421         ha->fw_dump->version = __constant_htonl(1);
1422
1423         ha->fw_dump->fixed_size = htonl(fixed_size);
1424         ha->fw_dump->mem_size = htonl(mem_size);
1425         ha->fw_dump->req_q_size = htonl(req_q_size);
1426         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1427
1428         ha->fw_dump->eft_size = htonl(eft_size);
1429         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1430         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1431
1432         ha->fw_dump->header_size =
1433             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1434 }
1435
1436 static int
1437 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1438 {
1439 #define MPS_MASK        0xe0
1440         int rval;
1441         uint16_t dc;
1442         uint32_t dw;
1443
1444         if (!IS_QLA81XX(vha->hw))
1445                 return QLA_SUCCESS;
1446
1447         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1448         if (rval != QLA_SUCCESS) {
1449                 ql_log(ql_log_warn, vha, 0x0105,
1450                     "Unable to acquire semaphore.\n");
1451                 goto done;
1452         }
1453
1454         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1455         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1456         if (rval != QLA_SUCCESS) {
1457                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1458                 goto done_release;
1459         }
1460
1461         dc &= MPS_MASK;
1462         if (dc == (dw & MPS_MASK))
1463                 goto done_release;
1464
1465         dw &= ~MPS_MASK;
1466         dw |= dc;
1467         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1468         if (rval != QLA_SUCCESS) {
1469                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1470         }
1471
1472 done_release:
1473         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1474         if (rval != QLA_SUCCESS) {
1475                 ql_log(ql_log_warn, vha, 0x006d,
1476                     "Unable to release semaphore.\n");
1477         }
1478
1479 done:
1480         return rval;
1481 }
1482
1483 /**
1484  * qla2x00_setup_chip() - Load and start RISC firmware.
1485  * @ha: HA context
1486  *
1487  * Returns 0 on success.
1488  */
1489 static int
1490 qla2x00_setup_chip(scsi_qla_host_t *vha)
1491 {
1492         int rval;
1493         uint32_t srisc_address = 0;
1494         struct qla_hw_data *ha = vha->hw;
1495         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1496         unsigned long flags;
1497         uint16_t fw_major_version;
1498
1499         if (IS_QLA82XX(ha)) {
1500                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1501                 if (rval == QLA_SUCCESS) {
1502                         qla2x00_stop_firmware(vha);
1503                         goto enable_82xx_npiv;
1504                 } else
1505                         goto failed;
1506         }
1507
1508         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1509                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1510                 spin_lock_irqsave(&ha->hardware_lock, flags);
1511                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1512                 RD_REG_WORD(&reg->hccr);
1513                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1514         }
1515
1516         qla81xx_mpi_sync(vha);
1517
1518         /* Load firmware sequences */
1519         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1520         if (rval == QLA_SUCCESS) {
1521                 ql_dbg(ql_dbg_init, vha, 0x00c9,
1522                     "Verifying Checksum of loaded RISC code.\n");
1523
1524                 rval = qla2x00_verify_checksum(vha, srisc_address);
1525                 if (rval == QLA_SUCCESS) {
1526                         /* Start firmware execution. */
1527                         ql_dbg(ql_dbg_init, vha, 0x00ca,
1528                             "Starting firmware.\n");
1529
1530                         rval = qla2x00_execute_fw(vha, srisc_address);
1531                         /* Retrieve firmware information. */
1532                         if (rval == QLA_SUCCESS) {
1533 enable_82xx_npiv:
1534                                 fw_major_version = ha->fw_major_version;
1535                                 if (IS_QLA82XX(ha))
1536                                         qla82xx_check_md_needed(vha);
1537                                 else
1538                                         rval = qla2x00_get_fw_version(vha);
1539                                 if (rval != QLA_SUCCESS)
1540                                         goto failed;
1541                                 ha->flags.npiv_supported = 0;
1542                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1543                                          (ha->fw_attributes & BIT_2)) {
1544                                         ha->flags.npiv_supported = 1;
1545                                         if ((!ha->max_npiv_vports) ||
1546                                             ((ha->max_npiv_vports + 1) %
1547                                             MIN_MULTI_ID_FABRIC))
1548                                                 ha->max_npiv_vports =
1549                                                     MIN_MULTI_ID_FABRIC - 1;
1550                                 }
1551                                 qla2x00_get_resource_cnts(vha, NULL,
1552                                     &ha->fw_xcb_count, NULL, NULL,
1553                                     &ha->max_npiv_vports, NULL);
1554
1555                                 if (!fw_major_version && ql2xallocfwdump
1556                                     && !IS_QLA82XX(ha))
1557                                         qla2x00_alloc_fw_dump(vha);
1558                         }
1559                 } else {
1560                         ql_log(ql_log_fatal, vha, 0x00cd,
1561                             "ISP Firmware failed checksum.\n");
1562                         goto failed;
1563                 }
1564         } else
1565                 goto failed;
1566
1567         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1568                 /* Enable proper parity. */
1569                 spin_lock_irqsave(&ha->hardware_lock, flags);
1570                 if (IS_QLA2300(ha))
1571                         /* SRAM parity */
1572                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1573                 else
1574                         /* SRAM, Instruction RAM and GP RAM parity */
1575                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1576                 RD_REG_WORD(&reg->hccr);
1577                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1578         }
1579
1580         if (IS_QLA83XX(ha))
1581                 goto skip_fac_check;
1582
1583         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1584                 uint32_t size;
1585
1586                 rval = qla81xx_fac_get_sector_size(vha, &size);
1587                 if (rval == QLA_SUCCESS) {
1588                         ha->flags.fac_supported = 1;
1589                         ha->fdt_block_size = size << 2;
1590                 } else {
1591                         ql_log(ql_log_warn, vha, 0x00ce,
1592                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1593                             ha->fw_major_version, ha->fw_minor_version,
1594                             ha->fw_subminor_version);
1595 skip_fac_check:
1596                         if (IS_QLA83XX(ha)) {
1597                                 ha->flags.fac_supported = 0;
1598                                 rval = QLA_SUCCESS;
1599                         }
1600                 }
1601         }
1602 failed:
1603         if (rval) {
1604                 ql_log(ql_log_fatal, vha, 0x00cf,
1605                     "Setup chip ****FAILED****.\n");
1606         }
1607
1608         return (rval);
1609 }
1610
1611 /**
1612  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1613  * @ha: HA context
1614  *
1615  * Beginning of request ring has initialization control block already built
1616  * by nvram config routine.
1617  *
1618  * Returns 0 on success.
1619  */
1620 void
1621 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1622 {
1623         uint16_t cnt;
1624         response_t *pkt;
1625
1626         rsp->ring_ptr = rsp->ring;
1627         rsp->ring_index    = 0;
1628         rsp->status_srb = NULL;
1629         pkt = rsp->ring_ptr;
1630         for (cnt = 0; cnt < rsp->length; cnt++) {
1631                 pkt->signature = RESPONSE_PROCESSED;
1632                 pkt++;
1633         }
1634 }
1635
1636 /**
1637  * qla2x00_update_fw_options() - Read and process firmware options.
1638  * @ha: HA context
1639  *
1640  * Returns 0 on success.
1641  */
1642 void
1643 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1644 {
1645         uint16_t swing, emphasis, tx_sens, rx_sens;
1646         struct qla_hw_data *ha = vha->hw;
1647
1648         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1649         qla2x00_get_fw_options(vha, ha->fw_options);
1650
1651         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1652                 return;
1653
1654         /* Serial Link options. */
1655         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1656             "Serial link options.\n");
1657         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1658             (uint8_t *)&ha->fw_seriallink_options,
1659             sizeof(ha->fw_seriallink_options));
1660
1661         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1662         if (ha->fw_seriallink_options[3] & BIT_2) {
1663                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1664
1665                 /*  1G settings */
1666                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1667                 emphasis = (ha->fw_seriallink_options[2] &
1668                     (BIT_4 | BIT_3)) >> 3;
1669                 tx_sens = ha->fw_seriallink_options[0] &
1670                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1671                 rx_sens = (ha->fw_seriallink_options[0] &
1672                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1673                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1674                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1675                         if (rx_sens == 0x0)
1676                                 rx_sens = 0x3;
1677                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1678                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1679                         ha->fw_options[10] |= BIT_5 |
1680                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1681                             (tx_sens & (BIT_1 | BIT_0));
1682
1683                 /*  2G settings */
1684                 swing = (ha->fw_seriallink_options[2] &
1685                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1686                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1687                 tx_sens = ha->fw_seriallink_options[1] &
1688                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1689                 rx_sens = (ha->fw_seriallink_options[1] &
1690                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1691                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1692                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1693                         if (rx_sens == 0x0)
1694                                 rx_sens = 0x3;
1695                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1696                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1697                         ha->fw_options[11] |= BIT_5 |
1698                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1699                             (tx_sens & (BIT_1 | BIT_0));
1700         }
1701
1702         /* FCP2 options. */
1703         /*  Return command IOCBs without waiting for an ABTS to complete. */
1704         ha->fw_options[3] |= BIT_13;
1705
1706         /* LED scheme. */
1707         if (ha->flags.enable_led_scheme)
1708                 ha->fw_options[2] |= BIT_12;
1709
1710         /* Detect ISP6312. */
1711         if (IS_QLA6312(ha))
1712                 ha->fw_options[2] |= BIT_13;
1713
1714         /* Update firmware options. */
1715         qla2x00_set_fw_options(vha, ha->fw_options);
1716 }
1717
1718 void
1719 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1720 {
1721         int rval;
1722         struct qla_hw_data *ha = vha->hw;
1723
1724         if (IS_QLA82XX(ha))
1725                 return;
1726
1727         /* Update Serial Link options. */
1728         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1729                 return;
1730
1731         rval = qla2x00_set_serdes_params(vha,
1732             le16_to_cpu(ha->fw_seriallink_options24[1]),
1733             le16_to_cpu(ha->fw_seriallink_options24[2]),
1734             le16_to_cpu(ha->fw_seriallink_options24[3]));
1735         if (rval != QLA_SUCCESS) {
1736                 ql_log(ql_log_warn, vha, 0x0104,
1737                     "Unable to update Serial Link options (%x).\n", rval);
1738         }
1739 }
1740
1741 void
1742 qla2x00_config_rings(struct scsi_qla_host *vha)
1743 {
1744         struct qla_hw_data *ha = vha->hw;
1745         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1746         struct req_que *req = ha->req_q_map[0];
1747         struct rsp_que *rsp = ha->rsp_q_map[0];
1748
1749         /* Setup ring parameters in initialization control block. */
1750         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1751         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1752         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1753         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1754         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1755         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1756         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1757         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1758
1759         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1760         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1761         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1762         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1763         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1764 }
1765
1766 void
1767 qla24xx_config_rings(struct scsi_qla_host *vha)
1768 {
1769         struct qla_hw_data *ha = vha->hw;
1770         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1771         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1772         struct qla_msix_entry *msix;
1773         struct init_cb_24xx *icb;
1774         uint16_t rid = 0;
1775         struct req_que *req = ha->req_q_map[0];
1776         struct rsp_que *rsp = ha->rsp_q_map[0];
1777
1778         /* Setup ring parameters in initialization control block. */
1779         icb = (struct init_cb_24xx *)ha->init_cb;
1780         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1781         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1782         icb->request_q_length = cpu_to_le16(req->length);
1783         icb->response_q_length = cpu_to_le16(rsp->length);
1784         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1785         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1786         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1787         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1788
1789         /* Setup ATIO queue dma pointers for target mode */
1790         icb->atio_q_inpointer = __constant_cpu_to_le16(0);
1791         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
1792         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
1793         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
1794
1795         if (ha->mqenable || IS_QLA83XX(ha)) {
1796                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1797                 icb->rid = __constant_cpu_to_le16(rid);
1798                 if (ha->flags.msix_enabled) {
1799                         msix = &ha->msix_entries[1];
1800                         ql_dbg(ql_dbg_init, vha, 0x00fd,
1801                             "Registering vector 0x%x for base que.\n",
1802                             msix->entry);
1803                         icb->msix = cpu_to_le16(msix->entry);
1804                 }
1805                 /* Use alternate PCI bus number */
1806                 if (MSB(rid))
1807                         icb->firmware_options_2 |=
1808                                 __constant_cpu_to_le32(BIT_19);
1809                 /* Use alternate PCI devfn */
1810                 if (LSB(rid))
1811                         icb->firmware_options_2 |=
1812                                 __constant_cpu_to_le32(BIT_18);
1813
1814                 /* Use Disable MSIX Handshake mode for capable adapters */
1815                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
1816                     (ha->flags.msix_enabled)) {
1817                         icb->firmware_options_2 &=
1818                                 __constant_cpu_to_le32(~BIT_22);
1819                         ha->flags.disable_msix_handshake = 1;
1820                         ql_dbg(ql_dbg_init, vha, 0x00fe,
1821                             "MSIX Handshake Disable Mode turned on.\n");
1822                 } else {
1823                         icb->firmware_options_2 |=
1824                                 __constant_cpu_to_le32(BIT_22);
1825                 }
1826                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1827
1828                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1829                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1830                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1831                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1832         } else {
1833                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1834                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1835                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1836                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1837         }
1838         qlt_24xx_config_rings(vha, reg);
1839
1840         /* PCI posting */
1841         RD_REG_DWORD(&ioreg->hccr);
1842 }
1843
1844 /**
1845  * qla2x00_init_rings() - Initializes firmware.
1846  * @ha: HA context
1847  *
1848  * Beginning of request ring has initialization control block already built
1849  * by nvram config routine.
1850  *
1851  * Returns 0 on success.
1852  */
1853 static int
1854 qla2x00_init_rings(scsi_qla_host_t *vha)
1855 {
1856         int     rval;
1857         unsigned long flags = 0;
1858         int cnt, que;
1859         struct qla_hw_data *ha = vha->hw;
1860         struct req_que *req;
1861         struct rsp_que *rsp;
1862         struct mid_init_cb_24xx *mid_init_cb =
1863             (struct mid_init_cb_24xx *) ha->init_cb;
1864
1865         spin_lock_irqsave(&ha->hardware_lock, flags);
1866
1867         /* Clear outstanding commands array. */
1868         for (que = 0; que < ha->max_req_queues; que++) {
1869                 req = ha->req_q_map[que];
1870                 if (!req)
1871                         continue;
1872                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1873                         req->outstanding_cmds[cnt] = NULL;
1874
1875                 req->current_outstanding_cmd = 1;
1876
1877                 /* Initialize firmware. */
1878                 req->ring_ptr  = req->ring;
1879                 req->ring_index    = 0;
1880                 req->cnt      = req->length;
1881         }
1882
1883         for (que = 0; que < ha->max_rsp_queues; que++) {
1884                 rsp = ha->rsp_q_map[que];
1885                 if (!rsp)
1886                         continue;
1887                 /* Initialize response queue entries */
1888                 qla2x00_init_response_q_entries(rsp);
1889         }
1890
1891         spin_lock(&ha->vport_slock);
1892
1893         spin_unlock(&ha->vport_slock);
1894
1895         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
1896         ha->tgt.atio_ring_index = 0;
1897         /* Initialize ATIO queue entries */
1898         qlt_init_atio_q_entries(vha);
1899
1900         ha->isp_ops->config_rings(vha);
1901
1902         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1903
1904         /* Update any ISP specific firmware options before initialization. */
1905         ha->isp_ops->update_fw_options(vha);
1906
1907         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
1908
1909         if (ha->flags.npiv_supported) {
1910                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
1911                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1912                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1913         }
1914
1915         if (IS_FWI2_CAPABLE(ha)) {
1916                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1917                 mid_init_cb->init_cb.execution_throttle =
1918                     cpu_to_le16(ha->fw_xcb_count);
1919         }
1920
1921         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1922         if (rval) {
1923                 ql_log(ql_log_fatal, vha, 0x00d2,
1924                     "Init Firmware **** FAILED ****.\n");
1925         } else {
1926                 ql_dbg(ql_dbg_init, vha, 0x00d3,
1927                     "Init Firmware -- success.\n");
1928         }
1929
1930         return (rval);
1931 }
1932
1933 /**
1934  * qla2x00_fw_ready() - Waits for firmware ready.
1935  * @ha: HA context
1936  *
1937  * Returns 0 on success.
1938  */
1939 static int
1940 qla2x00_fw_ready(scsi_qla_host_t *vha)
1941 {
1942         int             rval;
1943         unsigned long   wtime, mtime, cs84xx_time;
1944         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1945         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1946         uint16_t        state[5];
1947         struct qla_hw_data *ha = vha->hw;
1948
1949         rval = QLA_SUCCESS;
1950
1951         /* 20 seconds for loop down. */
1952         min_wait = 20;
1953
1954         /*
1955          * Firmware should take at most one RATOV to login, plus 5 seconds for
1956          * our own processing.
1957          */
1958         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1959                 wait_time = min_wait;
1960         }
1961
1962         /* Min wait time if loop down */
1963         mtime = jiffies + (min_wait * HZ);
1964
1965         /* wait time before firmware ready */
1966         wtime = jiffies + (wait_time * HZ);
1967
1968         /* Wait for ISP to finish LIP */
1969         if (!vha->flags.init_done)
1970                 ql_log(ql_log_info, vha, 0x801e,
1971                     "Waiting for LIP to complete.\n");
1972
1973         do {
1974                 rval = qla2x00_get_firmware_state(vha, state);
1975                 if (rval == QLA_SUCCESS) {
1976                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1977                                 vha->device_flags &= ~DFLG_NO_CABLE;
1978                         }
1979                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1980                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
1981                                     "fw_state=%x 84xx=%x.\n", state[0],
1982                                     state[2]);
1983                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1984                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1985                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
1986                                             "Sending verify iocb.\n");
1987
1988                                         cs84xx_time = jiffies;
1989                                         rval = qla84xx_init_chip(vha);
1990                                         if (rval != QLA_SUCCESS) {
1991                                                 ql_log(ql_log_warn,
1992                                                     vha, 0x8007,
1993                                                     "Init chip failed.\n");
1994                                                 break;
1995                                         }
1996
1997                                         /* Add time taken to initialize. */
1998                                         cs84xx_time = jiffies - cs84xx_time;
1999                                         wtime += cs84xx_time;
2000                                         mtime += cs84xx_time;
2001                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
2002                                             "Increasing wait time by %ld. "
2003                                             "New time %ld.\n", cs84xx_time,
2004                                             wtime);
2005                                 }
2006                         } else if (state[0] == FSTATE_READY) {
2007                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2008                                     "F/W Ready - OK.\n");
2009
2010                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2011                                     &ha->login_timeout, &ha->r_a_tov);
2012
2013                                 rval = QLA_SUCCESS;
2014                                 break;
2015                         }
2016
2017                         rval = QLA_FUNCTION_FAILED;
2018
2019                         if (atomic_read(&vha->loop_down_timer) &&
2020                             state[0] != FSTATE_READY) {
2021                                 /* Loop down. Timeout on min_wait for states
2022                                  * other than Wait for Login.
2023                                  */
2024                                 if (time_after_eq(jiffies, mtime)) {
2025                                         ql_log(ql_log_info, vha, 0x8038,
2026                                             "Cable is unplugged...\n");
2027
2028                                         vha->device_flags |= DFLG_NO_CABLE;
2029                                         break;
2030                                 }
2031                         }
2032                 } else {
2033                         /* Mailbox cmd failed. Timeout on min_wait. */
2034                         if (time_after_eq(jiffies, mtime) ||
2035                                 ha->flags.isp82xx_fw_hung)
2036                                 break;
2037                 }
2038
2039                 if (time_after_eq(jiffies, wtime))
2040                         break;
2041
2042                 /* Delay for a while */
2043                 msleep(500);
2044         } while (1);
2045
2046         ql_dbg(ql_dbg_taskm, vha, 0x803a,
2047             "fw_state=%x (%x, %x, %x, %x) " "curr time=%lx.\n", state[0],
2048             state[1], state[2], state[3], state[4], jiffies);
2049
2050         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2051                 ql_log(ql_log_warn, vha, 0x803b,
2052                     "Firmware ready **** FAILED ****.\n");
2053         }
2054
2055         return (rval);
2056 }
2057
2058 /*
2059 *  qla2x00_configure_hba
2060 *      Setup adapter context.
2061 *
2062 * Input:
2063 *      ha = adapter state pointer.
2064 *
2065 * Returns:
2066 *      0 = success
2067 *
2068 * Context:
2069 *      Kernel context.
2070 */
2071 static int
2072 qla2x00_configure_hba(scsi_qla_host_t *vha)
2073 {
2074         int       rval;
2075         uint16_t      loop_id;
2076         uint16_t      topo;
2077         uint16_t      sw_cap;
2078         uint8_t       al_pa;
2079         uint8_t       area;
2080         uint8_t       domain;
2081         char            connect_type[22];
2082         struct qla_hw_data *ha = vha->hw;
2083         unsigned long flags;
2084
2085         /* Get host addresses. */
2086         rval = qla2x00_get_adapter_id(vha,
2087             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2088         if (rval != QLA_SUCCESS) {
2089                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2090                     IS_CNA_CAPABLE(ha) ||
2091                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2092                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2093                             "Loop is in a transition state.\n");
2094                 } else {
2095                         ql_log(ql_log_warn, vha, 0x2009,
2096                             "Unable to get host loop ID.\n");
2097                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2098                 }
2099                 return (rval);
2100         }
2101
2102         if (topo == 4) {
2103                 ql_log(ql_log_info, vha, 0x200a,
2104                     "Cannot get topology - retrying.\n");
2105                 return (QLA_FUNCTION_FAILED);
2106         }
2107
2108         vha->loop_id = loop_id;
2109
2110         /* initialize */
2111         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2112         ha->operating_mode = LOOP;
2113         ha->switch_cap = 0;
2114
2115         switch (topo) {
2116         case 0:
2117                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2118                 ha->current_topology = ISP_CFG_NL;
2119                 strcpy(connect_type, "(Loop)");
2120                 break;
2121
2122         case 1:
2123                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2124                 ha->switch_cap = sw_cap;
2125                 ha->current_topology = ISP_CFG_FL;
2126                 strcpy(connect_type, "(FL_Port)");
2127                 break;
2128
2129         case 2:
2130                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2131                 ha->operating_mode = P2P;
2132                 ha->current_topology = ISP_CFG_N;
2133                 strcpy(connect_type, "(N_Port-to-N_Port)");
2134                 break;
2135
2136         case 3:
2137                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2138                 ha->switch_cap = sw_cap;
2139                 ha->operating_mode = P2P;
2140                 ha->current_topology = ISP_CFG_F;
2141                 strcpy(connect_type, "(F_Port)");
2142                 break;
2143
2144         default:
2145                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2146                     "HBA in unknown topology %x, using NL.\n", topo);
2147                 ha->current_topology = ISP_CFG_NL;
2148                 strcpy(connect_type, "(Loop)");
2149                 break;
2150         }
2151
2152         /* Save Host port and loop ID. */
2153         /* byte order - Big Endian */
2154         vha->d_id.b.domain = domain;
2155         vha->d_id.b.area = area;
2156         vha->d_id.b.al_pa = al_pa;
2157
2158         spin_lock_irqsave(&ha->vport_slock, flags);
2159         qlt_update_vp_map(vha, SET_AL_PA);
2160         spin_unlock_irqrestore(&ha->vport_slock, flags);
2161
2162         if (!vha->flags.init_done)
2163                 ql_log(ql_log_info, vha, 0x2010,
2164                     "Topology - %s, Host Loop address 0x%x.\n",
2165                     connect_type, vha->loop_id);
2166
2167         if (rval) {
2168                 ql_log(ql_log_warn, vha, 0x2011,
2169                     "%s FAILED\n", __func__);
2170         } else {
2171                 ql_dbg(ql_dbg_disc, vha, 0x2012,
2172                     "%s success\n", __func__);
2173         }
2174
2175         return(rval);
2176 }
2177
2178 inline void
2179 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2180         char *def)
2181 {
2182         char *st, *en;
2183         uint16_t index;
2184         struct qla_hw_data *ha = vha->hw;
2185         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2186             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2187
2188         if (memcmp(model, BINZERO, len) != 0) {
2189                 strncpy(ha->model_number, model, len);
2190                 st = en = ha->model_number;
2191                 en += len - 1;
2192                 while (en > st) {
2193                         if (*en != 0x20 && *en != 0x00)
2194                                 break;
2195                         *en-- = '\0';
2196                 }
2197
2198                 index = (ha->pdev->subsystem_device & 0xff);
2199                 if (use_tbl &&
2200                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2201                     index < QLA_MODEL_NAMES)
2202                         strncpy(ha->model_desc,
2203                             qla2x00_model_name[index * 2 + 1],
2204                             sizeof(ha->model_desc) - 1);
2205         } else {
2206                 index = (ha->pdev->subsystem_device & 0xff);
2207                 if (use_tbl &&
2208                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2209                     index < QLA_MODEL_NAMES) {
2210                         strcpy(ha->model_number,
2211                             qla2x00_model_name[index * 2]);
2212                         strncpy(ha->model_desc,
2213                             qla2x00_model_name[index * 2 + 1],
2214                             sizeof(ha->model_desc) - 1);
2215                 } else {
2216                         strcpy(ha->model_number, def);
2217                 }
2218         }
2219         if (IS_FWI2_CAPABLE(ha))
2220                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2221                     sizeof(ha->model_desc));
2222 }
2223
2224 /* On sparc systems, obtain port and node WWN from firmware
2225  * properties.
2226  */
2227 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2228 {
2229 #ifdef CONFIG_SPARC
2230         struct qla_hw_data *ha = vha->hw;
2231         struct pci_dev *pdev = ha->pdev;
2232         struct device_node *dp = pci_device_to_OF_node(pdev);
2233         const u8 *val;
2234         int len;
2235
2236         val = of_get_property(dp, "port-wwn", &len);
2237         if (val && len >= WWN_SIZE)
2238                 memcpy(nv->port_name, val, WWN_SIZE);
2239
2240         val = of_get_property(dp, "node-wwn", &len);
2241         if (val && len >= WWN_SIZE)
2242                 memcpy(nv->node_name, val, WWN_SIZE);
2243 #endif
2244 }
2245
2246 /*
2247 * NVRAM configuration for ISP 2xxx
2248 *
2249 * Input:
2250 *      ha                = adapter block pointer.
2251 *
2252 * Output:
2253 *      initialization control block in response_ring
2254 *      host adapters parameters in host adapter block
2255 *
2256 * Returns:
2257 *      0 = success.
2258 */
2259 int
2260 qla2x00_nvram_config(scsi_qla_host_t *vha)
2261 {
2262         int             rval;
2263         uint8_t         chksum = 0;
2264         uint16_t        cnt;
2265         uint8_t         *dptr1, *dptr2;
2266         struct qla_hw_data *ha = vha->hw;
2267         init_cb_t       *icb = ha->init_cb;
2268         nvram_t         *nv = ha->nvram;
2269         uint8_t         *ptr = ha->nvram;
2270         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2271
2272         rval = QLA_SUCCESS;
2273
2274         /* Determine NVRAM starting address. */
2275         ha->nvram_size = sizeof(nvram_t);
2276         ha->nvram_base = 0;
2277         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2278                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2279                         ha->nvram_base = 0x80;
2280
2281         /* Get NVRAM data and calculate checksum. */
2282         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2283         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2284                 chksum += *ptr++;
2285
2286         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2287             "Contents of NVRAM.\n");
2288         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2289             (uint8_t *)nv, ha->nvram_size);
2290
2291         /* Bad NVRAM data, set defaults parameters. */
2292         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2293             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2294                 /* Reset NVRAM data. */
2295                 ql_log(ql_log_warn, vha, 0x0064,
2296                     "Inconsistent NVRAM "
2297                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2298                     chksum, nv->id[0], nv->nvram_version);
2299                 ql_log(ql_log_warn, vha, 0x0065,
2300                     "Falling back to "
2301                     "functioning (yet invalid -- WWPN) defaults.\n");
2302
2303                 /*
2304                  * Set default initialization control block.
2305                  */
2306                 memset(nv, 0, ha->nvram_size);
2307                 nv->parameter_block_version = ICB_VERSION;
2308
2309                 if (IS_QLA23XX(ha)) {
2310                         nv->firmware_options[0] = BIT_2 | BIT_1;
2311                         nv->firmware_options[1] = BIT_7 | BIT_5;
2312                         nv->add_firmware_options[0] = BIT_5;
2313                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2314                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2315                         nv->special_options[1] = BIT_7;
2316                 } else if (IS_QLA2200(ha)) {
2317                         nv->firmware_options[0] = BIT_2 | BIT_1;
2318                         nv->firmware_options[1] = BIT_7 | BIT_5;
2319                         nv->add_firmware_options[0] = BIT_5;
2320                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2321                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2322                 } else if (IS_QLA2100(ha)) {
2323                         nv->firmware_options[0] = BIT_3 | BIT_1;
2324                         nv->firmware_options[1] = BIT_5;
2325                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2326                 }
2327
2328                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2329                 nv->execution_throttle = __constant_cpu_to_le16(16);
2330                 nv->retry_count = 8;
2331                 nv->retry_delay = 1;
2332
2333                 nv->port_name[0] = 33;
2334                 nv->port_name[3] = 224;
2335                 nv->port_name[4] = 139;
2336
2337                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2338
2339                 nv->login_timeout = 4;
2340
2341                 /*
2342                  * Set default host adapter parameters
2343                  */
2344                 nv->host_p[1] = BIT_2;
2345                 nv->reset_delay = 5;
2346                 nv->port_down_retry_count = 8;
2347                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2348                 nv->link_down_timeout = 60;
2349
2350                 rval = 1;
2351         }
2352
2353 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2354         /*
2355          * The SN2 does not provide BIOS emulation which means you can't change
2356          * potentially bogus BIOS settings. Force the use of default settings
2357          * for link rate and frame size.  Hope that the rest of the settings
2358          * are valid.
2359          */
2360         if (ia64_platform_is("sn2")) {
2361                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2362                 if (IS_QLA23XX(ha))
2363                         nv->special_options[1] = BIT_7;
2364         }
2365 #endif
2366
2367         /* Reset Initialization control block */
2368         memset(icb, 0, ha->init_cb_size);
2369
2370         /*
2371          * Setup driver NVRAM options.
2372          */
2373         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2374         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2375         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2376         nv->firmware_options[1] &= ~BIT_4;
2377
2378         if (IS_QLA23XX(ha)) {
2379                 nv->firmware_options[0] |= BIT_2;
2380                 nv->firmware_options[0] &= ~BIT_3;
2381                 nv->special_options[0] &= ~BIT_6;
2382                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2383
2384                 if (IS_QLA2300(ha)) {
2385                         if (ha->fb_rev == FPM_2310) {
2386                                 strcpy(ha->model_number, "QLA2310");
2387                         } else {
2388                                 strcpy(ha->model_number, "QLA2300");
2389                         }
2390                 } else {
2391                         qla2x00_set_model_info(vha, nv->model_number,
2392                             sizeof(nv->model_number), "QLA23xx");
2393                 }
2394         } else if (IS_QLA2200(ha)) {
2395                 nv->firmware_options[0] |= BIT_2;
2396                 /*
2397                  * 'Point-to-point preferred, else loop' is not a safe
2398                  * connection mode setting.
2399                  */
2400                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2401                     (BIT_5 | BIT_4)) {
2402                         /* Force 'loop preferred, else point-to-point'. */
2403                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2404                         nv->add_firmware_options[0] |= BIT_5;
2405                 }
2406                 strcpy(ha->model_number, "QLA22xx");
2407         } else /*if (IS_QLA2100(ha))*/ {
2408                 strcpy(ha->model_number, "QLA2100");
2409         }
2410
2411         /*
2412          * Copy over NVRAM RISC parameter block to initialization control block.
2413          */
2414         dptr1 = (uint8_t *)icb;
2415         dptr2 = (uint8_t *)&nv->parameter_block_version;
2416         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2417         while (cnt--)
2418                 *dptr1++ = *dptr2++;
2419
2420         /* Copy 2nd half. */
2421         dptr1 = (uint8_t *)icb->add_firmware_options;
2422         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2423         while (cnt--)
2424                 *dptr1++ = *dptr2++;
2425
2426         /* Use alternate WWN? */
2427         if (nv->host_p[1] & BIT_7) {
2428                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2429                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2430         }
2431
2432         /* Prepare nodename */
2433         if ((icb->firmware_options[1] & BIT_6) == 0) {
2434                 /*
2435                  * Firmware will apply the following mask if the nodename was
2436                  * not provided.
2437                  */
2438                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2439                 icb->node_name[0] &= 0xF0;
2440         }
2441
2442         /*
2443          * Set host adapter parameters.
2444          */
2445
2446         /*
2447          * BIT_7 in the host-parameters section allows for modification to
2448          * internal driver logging.
2449          */
2450         if (nv->host_p[0] & BIT_7)
2451                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2452         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2453         /* Always load RISC code on non ISP2[12]00 chips. */
2454         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2455                 ha->flags.disable_risc_code_load = 0;
2456         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2457         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2458         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2459         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2460         ha->flags.disable_serdes = 0;
2461
2462         ha->operating_mode =
2463             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2464
2465         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2466             sizeof(ha->fw_seriallink_options));
2467
2468         /* save HBA serial number */
2469         ha->serial0 = icb->port_name[5];
2470         ha->serial1 = icb->port_name[6];
2471         ha->serial2 = icb->port_name[7];
2472         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2473         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2474
2475         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2476
2477         ha->retry_count = nv->retry_count;
2478
2479         /* Set minimum login_timeout to 4 seconds. */
2480         if (nv->login_timeout != ql2xlogintimeout)
2481                 nv->login_timeout = ql2xlogintimeout;
2482         if (nv->login_timeout < 4)
2483                 nv->login_timeout = 4;
2484         ha->login_timeout = nv->login_timeout;
2485         icb->login_timeout = nv->login_timeout;
2486
2487         /* Set minimum RATOV to 100 tenths of a second. */
2488         ha->r_a_tov = 100;
2489
2490         ha->loop_reset_delay = nv->reset_delay;
2491
2492         /* Link Down Timeout = 0:
2493          *
2494          *      When Port Down timer expires we will start returning
2495          *      I/O's to OS with "DID_NO_CONNECT".
2496          *
2497          * Link Down Timeout != 0:
2498          *
2499          *       The driver waits for the link to come up after link down
2500          *       before returning I/Os to OS with "DID_NO_CONNECT".
2501          */
2502         if (nv->link_down_timeout == 0) {
2503                 ha->loop_down_abort_time =
2504                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2505         } else {
2506                 ha->link_down_timeout =  nv->link_down_timeout;
2507                 ha->loop_down_abort_time =
2508                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2509         }
2510
2511         /*
2512          * Need enough time to try and get the port back.
2513          */
2514         ha->port_down_retry_count = nv->port_down_retry_count;
2515         if (qlport_down_retry)
2516                 ha->port_down_retry_count = qlport_down_retry;
2517         /* Set login_retry_count */
2518         ha->login_retry_count  = nv->retry_count;
2519         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2520             ha->port_down_retry_count > 3)
2521                 ha->login_retry_count = ha->port_down_retry_count;
2522         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2523                 ha->login_retry_count = ha->port_down_retry_count;
2524         if (ql2xloginretrycount)
2525                 ha->login_retry_count = ql2xloginretrycount;
2526
2527         icb->lun_enables = __constant_cpu_to_le16(0);
2528         icb->command_resource_count = 0;
2529         icb->immediate_notify_resource_count = 0;
2530         icb->timeout = __constant_cpu_to_le16(0);
2531
2532         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2533                 /* Enable RIO */
2534                 icb->firmware_options[0] &= ~BIT_3;
2535                 icb->add_firmware_options[0] &=
2536                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2537                 icb->add_firmware_options[0] |= BIT_2;
2538                 icb->response_accumulation_timer = 3;
2539                 icb->interrupt_delay_timer = 5;
2540
2541                 vha->flags.process_response_queue = 1;
2542         } else {
2543                 /* Enable ZIO. */
2544                 if (!vha->flags.init_done) {
2545                         ha->zio_mode = icb->add_firmware_options[0] &
2546                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2547                         ha->zio_timer = icb->interrupt_delay_timer ?
2548                             icb->interrupt_delay_timer: 2;
2549                 }
2550                 icb->add_firmware_options[0] &=
2551                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2552                 vha->flags.process_response_queue = 0;
2553                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2554                         ha->zio_mode = QLA_ZIO_MODE_6;
2555
2556                         ql_log(ql_log_info, vha, 0x0068,
2557                             "ZIO mode %d enabled; timer delay (%d us).\n",
2558                             ha->zio_mode, ha->zio_timer * 100);
2559
2560                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2561                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2562                         vha->flags.process_response_queue = 1;
2563                 }
2564         }
2565
2566         if (rval) {
2567                 ql_log(ql_log_warn, vha, 0x0069,
2568                     "NVRAM configuration failed.\n");
2569         }
2570         return (rval);
2571 }
2572
2573 static void
2574 qla2x00_rport_del(void *data)
2575 {
2576         fc_port_t *fcport = data;
2577         struct fc_rport *rport;
2578         scsi_qla_host_t *vha = fcport->vha;
2579         unsigned long flags;
2580
2581         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2582         rport = fcport->drport ? fcport->drport: fcport->rport;
2583         fcport->drport = NULL;
2584         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2585         if (rport) {
2586                 fc_remote_port_delete(rport);
2587                 /*
2588                  * Release the target mode FC NEXUS in qla_target.c code
2589                  * if target mod is enabled.
2590                  */
2591                 qlt_fc_port_deleted(vha, fcport);
2592         }
2593 }
2594
2595 /**
2596  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2597  * @ha: HA context
2598  * @flags: allocation flags
2599  *
2600  * Returns a pointer to the allocated fcport, or NULL, if none available.
2601  */
2602 fc_port_t *
2603 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2604 {
2605         fc_port_t *fcport;
2606
2607         fcport = kzalloc(sizeof(fc_port_t), flags);
2608         if (!fcport)
2609                 return NULL;
2610
2611         /* Setup fcport template structure. */
2612         fcport->vha = vha;
2613         fcport->port_type = FCT_UNKNOWN;
2614         fcport->loop_id = FC_NO_LOOP_ID;
2615         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2616         fcport->supported_classes = FC_COS_UNSPECIFIED;
2617         fcport->scan_state = QLA_FCPORT_SCAN_NONE;
2618
2619         return fcport;
2620 }
2621
2622 /*
2623  * qla2x00_configure_loop
2624  *      Updates Fibre Channel Device Database with what is actually on loop.
2625  *
2626  * Input:
2627  *      ha                = adapter block pointer.
2628  *
2629  * Returns:
2630  *      0 = success.
2631  *      1 = error.
2632  *      2 = database was full and device was not configured.
2633  */
2634 static int
2635 qla2x00_configure_loop(scsi_qla_host_t *vha)
2636 {
2637         int  rval;
2638         unsigned long flags, save_flags;
2639         struct qla_hw_data *ha = vha->hw;
2640         rval = QLA_SUCCESS;
2641
2642         /* Get Initiator ID */
2643         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2644                 rval = qla2x00_configure_hba(vha);
2645                 if (rval != QLA_SUCCESS) {
2646                         ql_dbg(ql_dbg_disc, vha, 0x2013,
2647                             "Unable to configure HBA.\n");
2648                         return (rval);
2649                 }
2650         }
2651
2652         save_flags = flags = vha->dpc_flags;
2653         ql_dbg(ql_dbg_disc, vha, 0x2014,
2654             "Configure loop -- dpc flags = 0x%lx.\n", flags);
2655
2656         /*
2657          * If we have both an RSCN and PORT UPDATE pending then handle them
2658          * both at the same time.
2659          */
2660         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2661         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2662
2663         qla2x00_get_data_rate(vha);
2664
2665         /* Determine what we need to do */
2666         if (ha->current_topology == ISP_CFG_FL &&
2667             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2668
2669                 set_bit(RSCN_UPDATE, &flags);
2670
2671         } else if (ha->current_topology == ISP_CFG_F &&
2672             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2673
2674                 set_bit(RSCN_UPDATE, &flags);
2675                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2676
2677         } else if (ha->current_topology == ISP_CFG_N) {
2678                 clear_bit(RSCN_UPDATE, &flags);
2679
2680         } else if (!vha->flags.online ||
2681             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2682
2683                 set_bit(RSCN_UPDATE, &flags);
2684                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2685         }
2686
2687         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2688                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2689                         ql_dbg(ql_dbg_disc, vha, 0x2015,
2690                             "Loop resync needed, failing.\n");
2691                         rval = QLA_FUNCTION_FAILED;
2692                 } else
2693                         rval = qla2x00_configure_local_loop(vha);
2694         }
2695
2696         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2697                 if (LOOP_TRANSITION(vha)) {
2698                         ql_dbg(ql_dbg_disc, vha, 0x201e,
2699                             "Needs RSCN update and loop transition.\n");
2700                         rval = QLA_FUNCTION_FAILED;
2701                 }
2702                 else
2703                         rval = qla2x00_configure_fabric(vha);
2704         }
2705
2706         if (rval == QLA_SUCCESS) {
2707                 if (atomic_read(&vha->loop_down_timer) ||
2708                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2709                         rval = QLA_FUNCTION_FAILED;
2710                 } else {
2711                         atomic_set(&vha->loop_state, LOOP_READY);
2712                         ql_dbg(ql_dbg_disc, vha, 0x2069,
2713                             "LOOP READY.\n");
2714                 }
2715         }
2716
2717         if (rval) {
2718                 ql_dbg(ql_dbg_disc, vha, 0x206a,
2719                     "%s *** FAILED ***.\n", __func__);
2720         } else {
2721                 ql_dbg(ql_dbg_disc, vha, 0x206b,
2722                     "%s: exiting normally.\n", __func__);
2723         }
2724
2725         /* Restore state if a resync event occurred during processing */
2726         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2727                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2728                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2729                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2730                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2731                 }
2732         }
2733
2734         return (rval);
2735 }
2736
2737
2738
2739 /*
2740  * qla2x00_configure_local_loop
2741  *      Updates Fibre Channel Device Database with local loop devices.
2742  *
2743  * Input:
2744  *      ha = adapter block pointer.
2745  *
2746  * Returns:
2747  *      0 = success.
2748  */
2749 static int
2750 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2751 {
2752         int             rval, rval2;
2753         int             found_devs;
2754         int             found;
2755         fc_port_t       *fcport, *new_fcport;
2756
2757         uint16_t        index;
2758         uint16_t        entries;
2759         char            *id_iter;
2760         uint16_t        loop_id;
2761         uint8_t         domain, area, al_pa;
2762         struct qla_hw_data *ha = vha->hw;
2763
2764         found_devs = 0;
2765         new_fcport = NULL;
2766         entries = MAX_FIBRE_DEVICES_LOOP;
2767
2768         /* Get list of logged in devices. */
2769         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
2770         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2771             &entries);
2772         if (rval != QLA_SUCCESS)
2773                 goto cleanup_allocation;
2774
2775         ql_dbg(ql_dbg_disc, vha, 0x2017,
2776             "Entries in ID list (%d).\n", entries);
2777         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
2778             (uint8_t *)ha->gid_list,
2779             entries * sizeof(struct gid_list_info));
2780
2781         /* Allocate temporary fcport for any new fcports discovered. */
2782         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2783         if (new_fcport == NULL) {
2784                 ql_log(ql_log_warn, vha, 0x2018,
2785                     "Memory allocation failed for fcport.\n");
2786                 rval = QLA_MEMORY_ALLOC_FAILED;
2787                 goto cleanup_allocation;
2788         }
2789         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2790
2791         /*
2792          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2793          */
2794         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2795                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2796                     fcport->port_type != FCT_BROADCAST &&
2797                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2798
2799                         ql_dbg(ql_dbg_disc, vha, 0x2019,
2800                             "Marking port lost loop_id=0x%04x.\n",
2801                             fcport->loop_id);
2802
2803                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2804                 }
2805         }
2806
2807         /* Add devices to port list. */
2808         id_iter = (char *)ha->gid_list;
2809         for (index = 0; index < entries; index++) {
2810                 domain = ((struct gid_list_info *)id_iter)->domain;
2811                 area = ((struct gid_list_info *)id_iter)->area;
2812                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2813                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2814                         loop_id = (uint16_t)
2815                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2816                 else
2817                         loop_id = le16_to_cpu(
2818                             ((struct gid_list_info *)id_iter)->loop_id);
2819                 id_iter += ha->gid_list_info_size;
2820
2821                 /* Bypass reserved domain fields. */
2822                 if ((domain & 0xf0) == 0xf0)
2823                         continue;
2824
2825                 /* Bypass if not same domain and area of adapter. */
2826                 if (area && domain &&
2827                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2828                         continue;
2829
2830                 /* Bypass invalid local loop ID. */
2831                 if (loop_id > LAST_LOCAL_LOOP_ID)
2832                         continue;
2833
2834                 memset(new_fcport, 0, sizeof(fc_port_t));
2835
2836                 /* Fill in member data. */
2837                 new_fcport->d_id.b.domain = domain;
2838                 new_fcport->d_id.b.area = area;
2839                 new_fcport->d_id.b.al_pa = al_pa;
2840                 new_fcport->loop_id = loop_id;
2841                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2842                 if (rval2 != QLA_SUCCESS) {
2843                         ql_dbg(ql_dbg_disc, vha, 0x201a,
2844                             "Failed to retrieve fcport information "
2845                             "-- get_port_database=%x, loop_id=0x%04x.\n",
2846                             rval2, new_fcport->loop_id);
2847                         ql_dbg(ql_dbg_disc, vha, 0x201b,
2848                             "Scheduling resync.\n");
2849                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2850                         continue;
2851                 }
2852
2853                 /* Check for matching device in port list. */
2854                 found = 0;
2855                 fcport = NULL;
2856                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2857                         if (memcmp(new_fcport->port_name, fcport->port_name,
2858                             WWN_SIZE))
2859                                 continue;
2860
2861                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2862                         fcport->loop_id = new_fcport->loop_id;
2863                         fcport->port_type = new_fcport->port_type;
2864                         fcport->d_id.b24 = new_fcport->d_id.b24;
2865                         memcpy(fcport->node_name, new_fcport->node_name,
2866                             WWN_SIZE);
2867
2868                         found++;
2869                         break;
2870                 }
2871
2872                 if (!found) {
2873                         /* New device, add to fcports list. */
2874                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2875
2876                         /* Allocate a new replacement fcport. */
2877                         fcport = new_fcport;
2878                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2879                         if (new_fcport == NULL) {
2880                                 ql_log(ql_log_warn, vha, 0x201c,
2881                                     "Failed to allocate memory for fcport.\n");
2882                                 rval = QLA_MEMORY_ALLOC_FAILED;
2883                                 goto cleanup_allocation;
2884                         }
2885                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2886                 }
2887
2888                 /* Base iIDMA settings on HBA port speed. */
2889                 fcport->fp_speed = ha->link_data_rate;
2890
2891                 qla2x00_update_fcport(vha, fcport);
2892
2893                 found_devs++;
2894         }
2895
2896 cleanup_allocation:
2897         kfree(new_fcport);
2898
2899         if (rval != QLA_SUCCESS) {
2900                 ql_dbg(ql_dbg_disc, vha, 0x201d,
2901                     "Configure local loop error exit: rval=%x.\n", rval);
2902         }
2903
2904         return (rval);
2905 }
2906
2907 static void
2908 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2909 {
2910         char *link_speed;
2911         int rval;
2912         uint16_t mb[4];
2913         struct qla_hw_data *ha = vha->hw;
2914
2915         if (!IS_IIDMA_CAPABLE(ha))
2916                 return;
2917
2918         if (atomic_read(&fcport->state) != FCS_ONLINE)
2919                 return;
2920
2921         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2922             fcport->fp_speed > ha->link_data_rate)
2923                 return;
2924
2925         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2926             mb);
2927         if (rval != QLA_SUCCESS) {
2928                 ql_dbg(ql_dbg_disc, vha, 0x2004,
2929                     "Unable to adjust iIDMA "
2930                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x "
2931                     "%04x.\n", fcport->port_name[0], fcport->port_name[1],
2932                     fcport->port_name[2], fcport->port_name[3],
2933                     fcport->port_name[4], fcport->port_name[5],
2934                     fcport->port_name[6], fcport->port_name[7], rval,
2935                     fcport->fp_speed, mb[0], mb[1]);
2936         } else {
2937                 link_speed = qla2x00_get_link_speed_str(ha);
2938                 ql_dbg(ql_dbg_disc, vha, 0x2005,
2939                     "iIDMA adjusted to %s GB/s "
2940                     "on %02x%02x%02x%02x%02x%02x%02x%02x.\n", link_speed,
2941                     fcport->port_name[0], fcport->port_name[1],
2942                     fcport->port_name[2], fcport->port_name[3],
2943                     fcport->port_name[4], fcport->port_name[5],
2944                     fcport->port_name[6], fcport->port_name[7]);
2945         }
2946 }
2947
2948 static void
2949 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2950 {
2951         struct fc_rport_identifiers rport_ids;
2952         struct fc_rport *rport;
2953         unsigned long flags;
2954
2955         qla2x00_rport_del(fcport);
2956
2957         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2958         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2959         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2960             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2961         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2962         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2963         if (!rport) {
2964                 ql_log(ql_log_warn, vha, 0x2006,
2965                     "Unable to allocate fc remote port.\n");
2966                 return;
2967         }
2968         /*
2969          * Create target mode FC NEXUS in qla_target.c if target mode is
2970          * enabled..
2971          */
2972         qlt_fc_port_added(vha, fcport);
2973
2974         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2975         *((fc_port_t **)rport->dd_data) = fcport;
2976         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2977
2978         rport->supported_classes = fcport->supported_classes;
2979
2980         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2981         if (fcport->port_type == FCT_INITIATOR)
2982                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2983         if (fcport->port_type == FCT_TARGET)
2984                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2985         fc_remote_port_rolechg(rport, rport_ids.roles);
2986 }
2987
2988 /*
2989  * qla2x00_update_fcport
2990  *      Updates device on list.
2991  *
2992  * Input:
2993  *      ha = adapter block pointer.
2994  *      fcport = port structure pointer.
2995  *
2996  * Return:
2997  *      0  - Success
2998  *  BIT_0 - error
2999  *
3000  * Context:
3001  *      Kernel context.
3002  */
3003 void
3004 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3005 {
3006         fcport->vha = vha;
3007         fcport->login_retry = 0;
3008         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3009
3010         qla2x00_iidma_fcport(vha, fcport);
3011         qla24xx_update_fcport_fcp_prio(vha, fcport);
3012         qla2x00_reg_remote_port(vha, fcport);
3013         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3014 }
3015
3016 /*
3017  * qla2x00_configure_fabric
3018  *      Setup SNS devices with loop ID's.
3019  *
3020  * Input:
3021  *      ha = adapter block pointer.
3022  *
3023  * Returns:
3024  *      0 = success.
3025  *      BIT_0 = error
3026  */
3027 static int
3028 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3029 {
3030         int     rval;
3031         fc_port_t       *fcport;
3032         uint16_t        next_loopid;
3033         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3034         uint16_t        loop_id;
3035         LIST_HEAD(new_fcports);
3036         struct qla_hw_data *ha = vha->hw;
3037         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3038
3039         /* If FL port exists, then SNS is present */
3040         if (IS_FWI2_CAPABLE(ha))
3041                 loop_id = NPH_F_PORT;
3042         else
3043                 loop_id = SNS_FL_PORT;
3044         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3045         if (rval != QLA_SUCCESS) {
3046                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3047                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3048
3049                 vha->device_flags &= ~SWITCH_FOUND;
3050                 return (QLA_SUCCESS);
3051         }
3052         vha->device_flags |= SWITCH_FOUND;
3053
3054         do {
3055                 /* FDMI support. */
3056                 if (ql2xfdmienable &&
3057                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3058                         qla2x00_fdmi_register(vha);
3059
3060                 /* Ensure we are logged into the SNS. */
3061                 if (IS_FWI2_CAPABLE(ha))
3062                         loop_id = NPH_SNS;
3063                 else
3064                         loop_id = SIMPLE_NAME_SERVER;
3065                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3066                     0xfc, mb, BIT_1|BIT_0);
3067                 if (rval != QLA_SUCCESS) {
3068                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3069                         break;
3070                 }
3071                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3072                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3073                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3074                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3075                             mb[2], mb[6], mb[7]);
3076                         return (QLA_SUCCESS);
3077                 }
3078
3079                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3080                         if (qla2x00_rft_id(vha)) {
3081                                 /* EMPTY */
3082                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3083                                     "Register FC-4 TYPE failed.\n");
3084                         }
3085                         if (qla2x00_rff_id(vha)) {
3086                                 /* EMPTY */
3087                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3088                                     "Register FC-4 Features failed.\n");
3089                         }
3090                         if (qla2x00_rnn_id(vha)) {
3091                                 /* EMPTY */
3092                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3093                                     "Register Node Name failed.\n");
3094                         } else if (qla2x00_rsnn_nn(vha)) {
3095                                 /* EMPTY */
3096                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3097                                     "Register Symobilic Node Name failed.\n");
3098                         }
3099                 }
3100
3101                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3102                 if (rval != QLA_SUCCESS)
3103                         break;
3104
3105                 /* Add new ports to existing port list */
3106                 list_splice_tail_init(&new_fcports, &vha->vp_fcports);
3107
3108                 /* Starting free loop ID. */
3109                 next_loopid = ha->min_external_loopid;
3110
3111                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3112                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3113                                 break;
3114
3115                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3116                                 continue;
3117
3118                         /* Logout lost/gone fabric devices (non-FCP2) */
3119                         if (fcport->scan_state != QLA_FCPORT_SCAN_FOUND &&
3120                             atomic_read(&fcport->state) == FCS_ONLINE) {
3121                                 qla2x00_mark_device_lost(vha, fcport,
3122                                     ql2xplogiabsentdevice, 0);
3123                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3124                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3125                                     fcport->port_type != FCT_INITIATOR &&
3126                                     fcport->port_type != FCT_BROADCAST) {
3127                                         ha->isp_ops->fabric_logout(vha,
3128                                             fcport->loop_id,
3129                                             fcport->d_id.b.domain,
3130                                             fcport->d_id.b.area,
3131                                             fcport->d_id.b.al_pa);
3132                                 }
3133                                 continue;
3134                         }
3135                         fcport->scan_state = QLA_FCPORT_SCAN_NONE;
3136
3137                         /* Login fabric devices that need a login */
3138                         if ((fcport->flags & FCF_LOGIN_NEEDED) != 0 &&
3139                             atomic_read(&vha->loop_down_timer) == 0) {
3140                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
3141                                         fcport->loop_id = next_loopid;
3142                                         rval = qla2x00_find_new_loop_id(
3143                                             base_vha, fcport);
3144                                         if (rval != QLA_SUCCESS) {
3145                                                 /* Ran out of IDs to use */
3146                                                 continue;
3147                                         }
3148                                 }
3149                         }
3150
3151                         /* Login and update database */
3152                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3153                 }
3154         } while (0);
3155
3156         if (rval) {
3157                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3158                     "Configure fabric error exit rval=%d.\n", rval);
3159         }
3160
3161         return (rval);
3162 }
3163
3164 /*
3165  * qla2x00_find_all_fabric_devs
3166  *
3167  * Input:
3168  *      ha = adapter block pointer.
3169  *      dev = database device entry pointer.
3170  *
3171  * Returns:
3172  *      0 = success.
3173  *
3174  * Context:
3175  *      Kernel context.
3176  */
3177 static int
3178 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3179         struct list_head *new_fcports)
3180 {
3181         int             rval;
3182         uint16_t        loop_id;
3183         fc_port_t       *fcport, *new_fcport, *fcptemp;
3184         int             found;
3185
3186         sw_info_t       *swl;
3187         int             swl_idx;
3188         int             first_dev, last_dev;
3189         port_id_t       wrap = {}, nxt_d_id;
3190         struct qla_hw_data *ha = vha->hw;
3191         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3192         struct scsi_qla_host *tvp;
3193
3194         rval = QLA_SUCCESS;
3195
3196         /* Try GID_PT to get device list, else GAN. */
3197         if (!ha->swl)
3198                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3199                     GFP_KERNEL);
3200         swl = ha->swl;
3201         if (!swl) {
3202                 /*EMPTY*/
3203                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3204                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3205         } else {
3206                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3207                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3208                         swl = NULL;
3209                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3210                         swl = NULL;
3211                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3212                         swl = NULL;
3213                 } else if (ql2xiidmaenable &&
3214                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3215                         qla2x00_gpsc(vha, swl);
3216                 }
3217
3218                 /* If other queries succeeded probe for FC-4 type */
3219                 if (swl)
3220                         qla2x00_gff_id(vha, swl);
3221         }
3222         swl_idx = 0;
3223
3224         /* Allocate temporary fcport for any new fcports discovered. */
3225         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3226         if (new_fcport == NULL) {
3227                 ql_log(ql_log_warn, vha, 0x205e,
3228                     "Failed to allocate memory for fcport.\n");
3229                 return (QLA_MEMORY_ALLOC_FAILED);
3230         }
3231         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3232         /* Set start port ID scan at adapter ID. */
3233         first_dev = 1;
3234         last_dev = 0;
3235
3236         /* Starting free loop ID. */
3237         loop_id = ha->min_external_loopid;
3238         for (; loop_id <= ha->max_loop_id; loop_id++) {
3239                 if (qla2x00_is_reserved_id(vha, loop_id))
3240                         continue;
3241
3242                 if (ha->current_topology == ISP_CFG_FL &&
3243                     (atomic_read(&vha->loop_down_timer) ||
3244                      LOOP_TRANSITION(vha))) {
3245                         atomic_set(&vha->loop_down_timer, 0);
3246                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3247                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3248                         break;
3249                 }
3250
3251                 if (swl != NULL) {
3252                         if (last_dev) {
3253                                 wrap.b24 = new_fcport->d_id.b24;
3254                         } else {
3255                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3256                                 memcpy(new_fcport->node_name,
3257                                     swl[swl_idx].node_name, WWN_SIZE);
3258                                 memcpy(new_fcport->port_name,
3259                                     swl[swl_idx].port_name, WWN_SIZE);
3260                                 memcpy(new_fcport->fabric_port_name,
3261                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3262                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3263                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3264
3265                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3266                                         last_dev = 1;
3267                                 }
3268                                 swl_idx++;
3269                         }
3270                 } else {
3271                         /* Send GA_NXT to the switch */
3272                         rval = qla2x00_ga_nxt(vha, new_fcport);
3273                         if (rval != QLA_SUCCESS) {
3274                                 ql_log(ql_log_warn, vha, 0x2064,
3275                                     "SNS scan failed -- assuming "
3276                                     "zero-entry result.\n");
3277                                 list_for_each_entry_safe(fcport, fcptemp,
3278                                     new_fcports, list) {
3279                                         list_del(&fcport->list);
3280                                         kfree(fcport);
3281                                 }
3282                                 rval = QLA_SUCCESS;
3283                                 break;
3284                         }
3285                 }
3286
3287                 /* If wrap on switch device list, exit. */
3288                 if (first_dev) {
3289                         wrap.b24 = new_fcport->d_id.b24;
3290                         first_dev = 0;
3291                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3292                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3293                             "Device wrap (%02x%02x%02x).\n",
3294                             new_fcport->d_id.b.domain,
3295                             new_fcport->d_id.b.area,
3296                             new_fcport->d_id.b.al_pa);
3297                         break;
3298                 }
3299
3300                 /* Bypass if same physical adapter. */
3301                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3302                         continue;
3303
3304                 /* Bypass virtual ports of the same host. */
3305                 found = 0;
3306                 if (ha->num_vhosts) {
3307                         unsigned long flags;
3308
3309                         spin_lock_irqsave(&ha->vport_slock, flags);
3310                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3311                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3312                                         found = 1;
3313                                         break;
3314                                 }
3315                         }
3316                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3317
3318                         if (found)
3319                                 continue;
3320                 }
3321
3322                 /* Bypass if same domain and area of adapter. */
3323                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3324                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3325                         ISP_CFG_FL)
3326                             continue;
3327
3328                 /* Bypass reserved domain fields. */
3329                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3330                         continue;
3331
3332                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3333                 if (ql2xgffidenable &&
3334                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3335                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3336                         continue;
3337
3338                 /* Locate matching device in database. */
3339                 found = 0;
3340                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3341                         if (memcmp(new_fcport->port_name, fcport->port_name,
3342                             WWN_SIZE))
3343                                 continue;
3344
3345                         fcport->scan_state = QLA_FCPORT_SCAN_FOUND;
3346
3347                         found++;
3348
3349                         /* Update port state. */
3350                         memcpy(fcport->fabric_port_name,
3351                             new_fcport->fabric_port_name, WWN_SIZE);
3352                         fcport->fp_speed = new_fcport->fp_speed;
3353
3354                         /*
3355                          * If address the same and state FCS_ONLINE, nothing
3356                          * changed.
3357                          */
3358                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3359                             atomic_read(&fcport->state) == FCS_ONLINE) {
3360                                 break;
3361                         }
3362
3363                         /*
3364                          * If device was not a fabric device before.
3365                          */
3366                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3367                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3368                                 qla2x00_clear_loop_id(fcport);
3369                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3370                                     FCF_LOGIN_NEEDED);
3371                                 break;
3372                         }
3373
3374                         /*
3375                          * Port ID changed or device was marked to be updated;
3376                          * Log it out if still logged in and mark it for
3377                          * relogin later.
3378                          */
3379                         fcport->d_id.b24 = new_fcport->d_id.b24;
3380                         fcport->flags |= FCF_LOGIN_NEEDED;
3381                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3382                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3383                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3384                             fcport->port_type != FCT_INITIATOR &&
3385                             fcport->port_type != FCT_BROADCAST) {
3386                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3387                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3388                                     fcport->d_id.b.al_pa);
3389                                 qla2x00_clear_loop_id(fcport);
3390                         }
3391
3392                         break;
3393                 }
3394
3395                 if (found)
3396                         continue;
3397                 /* If device was not in our fcports list, then add it. */
3398                 list_add_tail(&new_fcport->list, new_fcports);
3399
3400                 /* Allocate a new replacement fcport. */
3401                 nxt_d_id.b24 = new_fcport->d_id.b24;
3402                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3403                 if (new_fcport == NULL) {
3404                         ql_log(ql_log_warn, vha, 0x2066,
3405                             "Memory allocation failed for fcport.\n");
3406                         return (QLA_MEMORY_ALLOC_FAILED);
3407                 }
3408                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3409                 new_fcport->d_id.b24 = nxt_d_id.b24;
3410         }
3411
3412         kfree(new_fcport);
3413
3414         return (rval);
3415 }
3416
3417 /*
3418  * qla2x00_find_new_loop_id
3419  *      Scan through our port list and find a new usable loop ID.
3420  *
3421  * Input:
3422  *      ha:     adapter state pointer.
3423  *      dev:    port structure pointer.
3424  *
3425  * Returns:
3426  *      qla2x00 local function return status code.
3427  *
3428  * Context:
3429  *      Kernel context.
3430  */
3431 int
3432 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3433 {
3434         int     rval;
3435         struct qla_hw_data *ha = vha->hw;
3436         unsigned long flags = 0;
3437
3438         rval = QLA_SUCCESS;
3439
3440         spin_lock_irqsave(&ha->vport_slock, flags);
3441
3442         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3443             LOOPID_MAP_SIZE);
3444         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3445             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3446                 dev->loop_id = FC_NO_LOOP_ID;
3447                 rval = QLA_FUNCTION_FAILED;
3448         } else
3449                 set_bit(dev->loop_id, ha->loop_id_map);
3450
3451         spin_unlock_irqrestore(&ha->vport_slock, flags);
3452
3453         if (rval == QLA_SUCCESS)
3454                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3455                     "Assigning new loopid=%x, portid=%x.\n",
3456                     dev->loop_id, dev->d_id.b24);
3457         else
3458                 ql_log(ql_log_warn, dev->vha, 0x2087,
3459                     "No loop_id's available, portid=%x.\n",
3460                     dev->d_id.b24);
3461
3462         return (rval);
3463 }
3464
3465 /*
3466  * qla2x00_fabric_dev_login
3467  *      Login fabric target device and update FC port database.
3468  *
3469  * Input:
3470  *      ha:             adapter state pointer.
3471  *      fcport:         port structure list pointer.
3472  *      next_loopid:    contains value of a new loop ID that can be used
3473  *                      by the next login attempt.
3474  *
3475  * Returns:
3476  *      qla2x00 local function return status code.
3477  *
3478  * Context:
3479  *      Kernel context.
3480  */
3481 static int
3482 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3483     uint16_t *next_loopid)
3484 {
3485         int     rval;
3486         int     retry;
3487         uint8_t opts;
3488         struct qla_hw_data *ha = vha->hw;
3489
3490         rval = QLA_SUCCESS;
3491         retry = 0;
3492
3493         if (IS_ALOGIO_CAPABLE(ha)) {
3494                 if (fcport->flags & FCF_ASYNC_SENT)
3495                         return rval;
3496                 fcport->flags |= FCF_ASYNC_SENT;
3497                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3498                 if (!rval)
3499                         return rval;
3500         }
3501
3502         fcport->flags &= ~FCF_ASYNC_SENT;
3503         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3504         if (rval == QLA_SUCCESS) {
3505                 /* Send an ADISC to FCP2 devices.*/
3506                 opts = 0;
3507                 if (fcport->flags & FCF_FCP2_DEVICE)
3508                         opts |= BIT_1;
3509                 rval = qla2x00_get_port_database(vha, fcport, opts);
3510                 if (rval != QLA_SUCCESS) {
3511                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3512                             fcport->d_id.b.domain, fcport->d_id.b.area,
3513                             fcport->d_id.b.al_pa);
3514                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3515                 } else {
3516                         qla2x00_update_fcport(vha, fcport);
3517                 }
3518         } else {
3519                 /* Retry Login. */
3520                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3521         }
3522
3523         return (rval);
3524 }
3525
3526 /*
3527  * qla2x00_fabric_login
3528  *      Issue fabric login command.
3529  *
3530  * Input:
3531  *      ha = adapter block pointer.
3532  *      device = pointer to FC device type structure.
3533  *
3534  * Returns:
3535  *      0 - Login successfully
3536  *      1 - Login failed
3537  *      2 - Initiator device
3538  *      3 - Fatal error
3539  */
3540 int
3541 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3542     uint16_t *next_loopid)
3543 {
3544         int     rval;
3545         int     retry;
3546         uint16_t tmp_loopid;
3547         uint16_t mb[MAILBOX_REGISTER_COUNT];
3548         struct qla_hw_data *ha = vha->hw;
3549
3550         retry = 0;
3551         tmp_loopid = 0;
3552
3553         for (;;) {
3554                 ql_dbg(ql_dbg_disc, vha, 0x2000,
3555                     "Trying Fabric Login w/loop id 0x%04x for port "
3556                     "%02x%02x%02x.\n",
3557                     fcport->loop_id, fcport->d_id.b.domain,
3558                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
3559
3560                 /* Login fcport on switch. */
3561                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
3562                     fcport->d_id.b.domain, fcport->d_id.b.area,
3563                     fcport->d_id.b.al_pa, mb, BIT_0);
3564                 if (rval != QLA_SUCCESS) {
3565                         return rval;
3566                 }
3567                 if (mb[0] == MBS_PORT_ID_USED) {
3568                         /*
3569                          * Device has another loop ID.  The firmware team
3570                          * recommends the driver perform an implicit login with
3571                          * the specified ID again. The ID we just used is save
3572                          * here so we return with an ID that can be tried by
3573                          * the next login.
3574                          */
3575                         retry++;
3576                         tmp_loopid = fcport->loop_id;
3577                         fcport->loop_id = mb[1];
3578
3579                         ql_dbg(ql_dbg_disc, vha, 0x2001,
3580                             "Fabric Login: port in use - next loop "
3581                             "id=0x%04x, port id= %02x%02x%02x.\n",
3582                             fcport->loop_id, fcport->d_id.b.domain,
3583                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
3584
3585                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3586                         /*
3587                          * Login succeeded.
3588                          */
3589                         if (retry) {
3590                                 /* A retry occurred before. */
3591                                 *next_loopid = tmp_loopid;
3592                         } else {
3593                                 /*
3594                                  * No retry occurred before. Just increment the
3595                                  * ID value for next login.
3596                                  */
3597                                 *next_loopid = (fcport->loop_id + 1);
3598                         }
3599
3600                         if (mb[1] & BIT_0) {
3601                                 fcport->port_type = FCT_INITIATOR;
3602                         } else {
3603                                 fcport->port_type = FCT_TARGET;
3604                                 if (mb[1] & BIT_1) {
3605                                         fcport->flags |= FCF_FCP2_DEVICE;
3606                                 }
3607                         }
3608
3609                         if (mb[10] & BIT_0)
3610                                 fcport->supported_classes |= FC_COS_CLASS2;
3611                         if (mb[10] & BIT_1)
3612                                 fcport->supported_classes |= FC_COS_CLASS3;
3613
3614                         if (IS_FWI2_CAPABLE(ha)) {
3615                                 if (mb[10] & BIT_7)
3616                                         fcport->flags |=
3617                                             FCF_CONF_COMP_SUPPORTED;
3618                         }
3619
3620                         rval = QLA_SUCCESS;
3621                         break;
3622                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3623                         /*
3624                          * Loop ID already used, try next loop ID.
3625                          */
3626                         fcport->loop_id++;
3627                         rval = qla2x00_find_new_loop_id(vha, fcport);
3628                         if (rval != QLA_SUCCESS) {
3629                                 /* Ran out of loop IDs to use */
3630                                 break;
3631                         }
3632                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3633                         /*
3634                          * Firmware possibly timed out during login. If NO
3635                          * retries are left to do then the device is declared
3636                          * dead.
3637                          */
3638                         *next_loopid = fcport->loop_id;
3639                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3640                             fcport->d_id.b.domain, fcport->d_id.b.area,
3641                             fcport->d_id.b.al_pa);
3642                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3643
3644                         rval = 1;
3645                         break;
3646                 } else {
3647                         /*
3648                          * unrecoverable / not handled error
3649                          */
3650                         ql_dbg(ql_dbg_disc, vha, 0x2002,
3651                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3652                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3653                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
3654                             fcport->loop_id, jiffies);
3655
3656                         *next_loopid = fcport->loop_id;
3657                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3658                             fcport->d_id.b.domain, fcport->d_id.b.area,
3659                             fcport->d_id.b.al_pa);
3660                         qla2x00_clear_loop_id(fcport);
3661                         fcport->login_retry = 0;
3662
3663                         rval = 3;
3664                         break;
3665                 }
3666         }
3667
3668         return (rval);
3669 }
3670
3671 /*
3672  * qla2x00_local_device_login
3673  *      Issue local device login command.
3674  *
3675  * Input:
3676  *      ha = adapter block pointer.
3677  *      loop_id = loop id of device to login to.
3678  *
3679  * Returns (Where's the #define!!!!):
3680  *      0 - Login successfully
3681  *      1 - Login failed
3682  *      3 - Fatal error
3683  */
3684 int
3685 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3686 {
3687         int             rval;
3688         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3689
3690         memset(mb, 0, sizeof(mb));
3691         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3692         if (rval == QLA_SUCCESS) {
3693                 /* Interrogate mailbox registers for any errors */
3694                 if (mb[0] == MBS_COMMAND_ERROR)
3695                         rval = 1;
3696                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3697                         /* device not in PCB table */
3698                         rval = 3;
3699         }
3700
3701         return (rval);
3702 }
3703
3704 /*
3705  *  qla2x00_loop_resync
3706  *      Resync with fibre channel devices.
3707  *
3708  * Input:
3709  *      ha = adapter block pointer.
3710  *
3711  * Returns:
3712  *      0 = success
3713  */
3714 int
3715 qla2x00_loop_resync(scsi_qla_host_t *vha)
3716 {
3717         int rval = QLA_SUCCESS;
3718         uint32_t wait_time;
3719         struct req_que *req;
3720         struct rsp_que *rsp;
3721
3722         if (vha->hw->flags.cpu_affinity_enabled)
3723                 req = vha->hw->req_q_map[0];
3724         else
3725                 req = vha->req;
3726         rsp = req->rsp;
3727
3728         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3729         if (vha->flags.online) {
3730                 if (!(rval = qla2x00_fw_ready(vha))) {
3731                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3732                         wait_time = 256;
3733                         do {
3734                                 /* Issue a marker after FW becomes ready. */
3735                                 qla2x00_marker(vha, req, rsp, 0, 0,
3736                                         MK_SYNC_ALL);
3737                                 vha->marker_needed = 0;
3738
3739                                 /* Remap devices on Loop. */
3740                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3741
3742                                 qla2x00_configure_loop(vha);
3743                                 wait_time--;
3744                         } while (!atomic_read(&vha->loop_down_timer) &&
3745                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3746                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3747                                 &vha->dpc_flags)));
3748                 }
3749         }
3750
3751         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3752                 return (QLA_FUNCTION_FAILED);
3753
3754         if (rval)
3755                 ql_dbg(ql_dbg_disc, vha, 0x206c,
3756                     "%s *** FAILED ***.\n", __func__);
3757
3758         return (rval);
3759 }
3760
3761 /*
3762 * qla2x00_perform_loop_resync
3763 * Description: This function will set the appropriate flags and call
3764 *              qla2x00_loop_resync. If successful loop will be resynced
3765 * Arguments : scsi_qla_host_t pointer
3766 * returm    : Success or Failure
3767 */
3768
3769 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3770 {
3771         int32_t rval = 0;
3772
3773         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3774                 /*Configure the flags so that resync happens properly*/
3775                 atomic_set(&ha->loop_down_timer, 0);
3776                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3777                         atomic_set(&ha->loop_state, LOOP_UP);
3778                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3779                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3780                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3781
3782                         rval = qla2x00_loop_resync(ha);
3783                 } else
3784                         atomic_set(&ha->loop_state, LOOP_DEAD);
3785
3786                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3787         }
3788
3789         return rval;
3790 }
3791
3792 void
3793 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3794 {
3795         fc_port_t *fcport;
3796         struct scsi_qla_host *vha;
3797         struct qla_hw_data *ha = base_vha->hw;
3798         unsigned long flags;
3799
3800         spin_lock_irqsave(&ha->vport_slock, flags);
3801         /* Go with deferred removal of rport references. */
3802         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3803                 atomic_inc(&vha->vref_count);
3804                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3805                         if (fcport->drport &&
3806                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3807                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3808
3809                                 qla2x00_rport_del(fcport);
3810
3811                                 spin_lock_irqsave(&ha->vport_slock, flags);
3812                         }
3813                 }
3814                 atomic_dec(&vha->vref_count);
3815         }
3816         spin_unlock_irqrestore(&ha->vport_slock, flags);
3817 }
3818
3819 /* Assumes idc_lock always held on entry */
3820 void
3821 qla83xx_reset_ownership(scsi_qla_host_t *vha)
3822 {
3823         struct qla_hw_data *ha = vha->hw;
3824         uint32_t drv_presence, drv_presence_mask;
3825         uint32_t dev_part_info1, dev_part_info2, class_type;
3826         uint32_t class_type_mask = 0x3;
3827         uint16_t fcoe_other_function = 0xffff, i;
3828
3829         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
3830
3831         qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
3832         qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
3833         for (i = 0; i < 8; i++) {
3834                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
3835                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
3836                     (i != ha->portnum)) {
3837                         fcoe_other_function = i;
3838                         break;
3839                 }
3840         }
3841         if (fcoe_other_function == 0xffff) {
3842                 for (i = 0; i < 8; i++) {
3843                         class_type = ((dev_part_info2 >> (i * 4)) &
3844                             class_type_mask);
3845                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
3846                             ((i + 8) != ha->portnum)) {
3847                                 fcoe_other_function = i + 8;
3848                                 break;
3849                         }
3850                 }
3851         }
3852         /*
3853          * Prepare drv-presence mask based on fcoe functions present.
3854          * However consider only valid physical fcoe function numbers (0-15).
3855          */
3856         drv_presence_mask = ~((1 << (ha->portnum)) |
3857                         ((fcoe_other_function == 0xffff) ?
3858                          0 : (1 << (fcoe_other_function))));
3859
3860         /* We are the reset owner iff:
3861          *    - No other protocol drivers present.
3862          *    - This is the lowest among fcoe functions. */
3863         if (!(drv_presence & drv_presence_mask) &&
3864                         (ha->portnum < fcoe_other_function)) {
3865                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
3866                     "This host is Reset owner.\n");
3867                 ha->flags.nic_core_reset_owner = 1;
3868         }
3869 }
3870
3871 int
3872 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
3873 {
3874         int rval = QLA_SUCCESS;
3875         struct qla_hw_data *ha = vha->hw;
3876         uint32_t drv_ack;
3877
3878         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
3879         if (rval == QLA_SUCCESS) {
3880                 drv_ack |= (1 << ha->portnum);
3881                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
3882         }
3883
3884         return rval;
3885 }
3886
3887 int
3888 qla83xx_set_drv_ack(scsi_qla_host_t *vha)
3889 {
3890         int rval = QLA_SUCCESS;
3891
3892         qla83xx_idc_lock(vha, 0);
3893         rval = __qla83xx_set_drv_ack(vha);
3894         qla83xx_idc_unlock(vha, 0);
3895
3896         return rval;
3897 }
3898
3899 int
3900 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
3901 {
3902         int rval = QLA_SUCCESS;
3903         struct qla_hw_data *ha = vha->hw;
3904         uint32_t drv_ack;
3905
3906         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
3907         if (rval == QLA_SUCCESS) {
3908                 drv_ack &= ~(1 << ha->portnum);
3909                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
3910         }
3911
3912         return rval;
3913 }
3914
3915 int
3916 qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
3917 {
3918         int rval = QLA_SUCCESS;
3919
3920         qla83xx_idc_lock(vha, 0);
3921         rval = __qla83xx_clear_drv_ack(vha);
3922         qla83xx_idc_unlock(vha, 0);
3923
3924         return rval;
3925 }
3926
3927 const char *
3928 qla83xx_dev_state_to_string(uint32_t dev_state)
3929 {
3930         switch (dev_state) {
3931         case QLA8XXX_DEV_COLD:
3932                 return "COLD/RE-INIT";
3933         case QLA8XXX_DEV_INITIALIZING:
3934                 return "INITIALIZING";
3935         case QLA8XXX_DEV_READY:
3936                 return "READY";
3937         case QLA8XXX_DEV_NEED_RESET:
3938                 return "NEED RESET";
3939         case QLA8XXX_DEV_NEED_QUIESCENT:
3940                 return "NEED QUIESCENT";
3941         case QLA8XXX_DEV_FAILED:
3942                 return "FAILED";
3943         case QLA8XXX_DEV_QUIESCENT:
3944                 return "QUIESCENT";
3945         default:
3946                 return "Unknown";
3947         }
3948 }
3949
3950 /* Assumes idc-lock always held on entry */
3951 void
3952 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
3953 {
3954         struct qla_hw_data *ha = vha->hw;
3955         uint32_t idc_audit_reg = 0, duration_secs = 0;
3956
3957         switch (audit_type) {
3958         case IDC_AUDIT_TIMESTAMP:
3959                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
3960                 idc_audit_reg = (ha->portnum) |
3961                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
3962                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
3963                 break;
3964
3965         case IDC_AUDIT_COMPLETION:
3966                 duration_secs = ((jiffies_to_msecs(jiffies) -
3967                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
3968                 idc_audit_reg = (ha->portnum) |
3969                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
3970                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
3971                 break;
3972
3973         default:
3974                 ql_log(ql_log_warn, vha, 0xb078,
3975                     "Invalid audit type specified.\n");
3976                 break;
3977         }
3978 }
3979
3980 /* Assumes idc_lock always held on entry */
3981 int
3982 qla83xx_initiating_reset(scsi_qla_host_t *vha)
3983 {
3984         struct qla_hw_data *ha = vha->hw;
3985         uint32_t  idc_control, dev_state;
3986
3987         __qla83xx_get_idc_control(vha, &idc_control);
3988         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
3989                 ql_log(ql_log_info, vha, 0xb080,
3990                     "NIC Core reset has been disabled. idc-control=0x%x\n",
3991                     idc_control);
3992                 return QLA_FUNCTION_FAILED;
3993         }
3994
3995         /* Set NEED-RESET iff in READY state and we are the reset-owner */
3996         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
3997         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
3998                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
3999                     QLA8XXX_DEV_NEED_RESET);
4000                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4001                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4002         } else {
4003                 const char *state = qla83xx_dev_state_to_string(dev_state);
4004                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4005
4006                 /* SV: XXX: Is timeout required here? */
4007                 /* Wait for IDC state change READY -> NEED_RESET */
4008                 while (dev_state == QLA8XXX_DEV_READY) {
4009                         qla83xx_idc_unlock(vha, 0);
4010                         msleep(200);
4011                         qla83xx_idc_lock(vha, 0);
4012                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4013                 }
4014         }
4015
4016         /* Send IDC ack by writing to drv-ack register */
4017         __qla83xx_set_drv_ack(vha);
4018
4019         return QLA_SUCCESS;
4020 }
4021
4022 int
4023 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4024 {
4025         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4026 }
4027
4028 int
4029 qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4030 {
4031         int rval = QLA_SUCCESS;
4032
4033         qla83xx_idc_lock(vha, 0);
4034         rval = __qla83xx_set_idc_control(vha, idc_control);
4035         qla83xx_idc_unlock(vha, 0);
4036
4037         return rval;
4038 }
4039
4040 int
4041 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4042 {
4043         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4044 }
4045
4046 int
4047 qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4048 {
4049         int rval = QLA_SUCCESS;
4050
4051         qla83xx_idc_lock(vha, 0);
4052         rval = __qla83xx_get_idc_control(vha, idc_control);
4053         qla83xx_idc_unlock(vha, 0);
4054
4055         return rval;
4056 }
4057
4058 int
4059 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4060 {
4061         uint32_t drv_presence = 0;
4062         struct qla_hw_data *ha = vha->hw;
4063
4064         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4065         if (drv_presence & (1 << ha->portnum))
4066                 return QLA_SUCCESS;
4067         else
4068                 return QLA_TEST_FAILED;
4069 }
4070
4071 int
4072 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4073 {
4074         int rval = QLA_SUCCESS;
4075         struct qla_hw_data *ha = vha->hw;
4076
4077         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4078             "Entered  %s().\n", __func__);
4079
4080         if (vha->device_flags & DFLG_DEV_FAILED) {
4081                 ql_log(ql_log_warn, vha, 0xb059,
4082                     "Device in unrecoverable FAILED state.\n");
4083                 return QLA_FUNCTION_FAILED;
4084         }
4085
4086         qla83xx_idc_lock(vha, 0);
4087
4088         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4089                 ql_log(ql_log_warn, vha, 0xb05a,
4090                     "Function=0x%x has been removed from IDC participation.\n",
4091                     ha->portnum);
4092                 rval = QLA_FUNCTION_FAILED;
4093                 goto exit;
4094         }
4095
4096         qla83xx_reset_ownership(vha);
4097
4098         rval = qla83xx_initiating_reset(vha);
4099
4100         /*
4101          * Perform reset if we are the reset-owner,
4102          * else wait till IDC state changes to READY/FAILED.
4103          */
4104         if (rval == QLA_SUCCESS) {
4105                 rval = qla83xx_idc_state_handler(vha);
4106
4107                 if (rval == QLA_SUCCESS)
4108                         ha->flags.nic_core_hung = 0;
4109                 __qla83xx_clear_drv_ack(vha);
4110         }
4111
4112 exit:
4113         qla83xx_idc_unlock(vha, 0);
4114
4115         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4116
4117         return rval;
4118 }
4119
4120 int
4121 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4122 {
4123         struct qla_hw_data *ha = vha->hw;
4124         int rval = QLA_FUNCTION_FAILED;
4125
4126         if (!IS_MCTP_CAPABLE(ha)) {
4127                 /* This message can be removed from the final version */
4128                 ql_log(ql_log_info, vha, 0x506d,
4129                     "This board is not MCTP capable\n");
4130                 return rval;
4131         }
4132
4133         if (!ha->mctp_dump) {
4134                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4135                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4136
4137                 if (!ha->mctp_dump) {
4138                         ql_log(ql_log_warn, vha, 0x506e,
4139                             "Failed to allocate memory for mctp dump\n");
4140                         return rval;
4141                 }
4142         }
4143
4144 #define MCTP_DUMP_STR_ADDR      0x00000000
4145         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4146             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4147         if (rval != QLA_SUCCESS) {
4148                 ql_log(ql_log_warn, vha, 0x506f,
4149                     "Failed to capture mctp dump\n");
4150         } else {
4151                 ql_log(ql_log_info, vha, 0x5070,
4152                     "Mctp dump capture for host (%ld/%p).\n",
4153                     vha->host_no, ha->mctp_dump);
4154                 ha->mctp_dumped = 1;
4155         }
4156
4157         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4158                 ha->flags.nic_core_reset_hdlr_active = 1;
4159                 rval = qla83xx_restart_nic_firmware(vha);
4160                 if (rval)
4161                         /* NIC Core reset failed. */
4162                         ql_log(ql_log_warn, vha, 0x5071,
4163                             "Failed to restart nic firmware\n");
4164                 else
4165                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4166                             "Restarted NIC firmware successfully.\n");
4167                 ha->flags.nic_core_reset_hdlr_active = 0;
4168         }
4169
4170         return rval;
4171
4172 }
4173
4174 /*
4175 * qla2x00_quiesce_io
4176 * Description: This function will block the new I/Os
4177 *              Its not aborting any I/Os as context
4178 *              is not destroyed during quiescence
4179 * Arguments: scsi_qla_host_t
4180 * return   : void
4181 */
4182 void
4183 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4184 {
4185         struct qla_hw_data *ha = vha->hw;
4186         struct scsi_qla_host *vp;
4187
4188         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4189             "Quiescing I/O - ha=%p.\n", ha);
4190
4191         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4192         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4193                 atomic_set(&vha->loop_state, LOOP_DOWN);
4194                 qla2x00_mark_all_devices_lost(vha, 0);
4195                 list_for_each_entry(vp, &ha->vp_list, list)
4196                         qla2x00_mark_all_devices_lost(vp, 0);
4197         } else {
4198                 if (!atomic_read(&vha->loop_down_timer))
4199                         atomic_set(&vha->loop_down_timer,
4200                                         LOOP_DOWN_TIME);
4201         }
4202         /* Wait for pending cmds to complete */
4203         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4204 }
4205
4206 void
4207 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4208 {
4209         struct qla_hw_data *ha = vha->hw;
4210         struct scsi_qla_host *vp;
4211         unsigned long flags;
4212         fc_port_t *fcport;
4213
4214         /* For ISP82XX, driver waits for completion of the commands.
4215          * online flag should be set.
4216          */
4217         if (!IS_QLA82XX(ha))
4218                 vha->flags.online = 0;
4219         ha->flags.chip_reset_done = 0;
4220         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4221         vha->qla_stats.total_isp_aborts++;
4222
4223         ql_log(ql_log_info, vha, 0x00af,
4224             "Performing ISP error recovery - ha=%p.\n", ha);
4225
4226         /* For ISP82XX, reset_chip is just disabling interrupts.
4227          * Driver waits for the completion of the commands.
4228          * the interrupts need to be enabled.
4229          */
4230         if (!IS_QLA82XX(ha))
4231                 ha->isp_ops->reset_chip(vha);
4232
4233         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4234         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4235                 atomic_set(&vha->loop_state, LOOP_DOWN);
4236                 qla2x00_mark_all_devices_lost(vha, 0);
4237
4238                 spin_lock_irqsave(&ha->vport_slock, flags);
4239                 list_for_each_entry(vp, &ha->vp_list, list) {
4240                         atomic_inc(&vp->vref_count);
4241                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4242
4243                         qla2x00_mark_all_devices_lost(vp, 0);
4244
4245                         spin_lock_irqsave(&ha->vport_slock, flags);
4246                         atomic_dec(&vp->vref_count);
4247                 }
4248                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4249         } else {
4250                 if (!atomic_read(&vha->loop_down_timer))
4251                         atomic_set(&vha->loop_down_timer,
4252                             LOOP_DOWN_TIME);
4253         }
4254
4255         /* Clear all async request states across all VPs. */
4256         list_for_each_entry(fcport, &vha->vp_fcports, list)
4257                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4258         spin_lock_irqsave(&ha->vport_slock, flags);
4259         list_for_each_entry(vp, &ha->vp_list, list) {
4260                 atomic_inc(&vp->vref_count);
4261                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4262
4263                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4264                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4265
4266                 spin_lock_irqsave(&ha->vport_slock, flags);
4267                 atomic_dec(&vp->vref_count);
4268         }
4269         spin_unlock_irqrestore(&ha->vport_slock, flags);
4270
4271         if (!ha->flags.eeh_busy) {
4272                 /* Make sure for ISP 82XX IO DMA is complete */
4273                 if (IS_QLA82XX(ha)) {
4274                         qla82xx_chip_reset_cleanup(vha);
4275                         ql_log(ql_log_info, vha, 0x00b4,
4276                             "Done chip reset cleanup.\n");
4277
4278                         /* Done waiting for pending commands.
4279                          * Reset the online flag.
4280                          */
4281                         vha->flags.online = 0;
4282                 }
4283
4284                 /* Requeue all commands in outstanding command list. */
4285                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4286         }
4287 }
4288
4289 /*
4290 *  qla2x00_abort_isp
4291 *      Resets ISP and aborts all outstanding commands.
4292 *
4293 * Input:
4294 *      ha           = adapter block pointer.
4295 *
4296 * Returns:
4297 *      0 = success
4298 */
4299 int
4300 qla2x00_abort_isp(scsi_qla_host_t *vha)
4301 {
4302         int rval;
4303         uint8_t        status = 0;
4304         struct qla_hw_data *ha = vha->hw;
4305         struct scsi_qla_host *vp;
4306         struct req_que *req = ha->req_q_map[0];
4307         unsigned long flags;
4308
4309         if (vha->flags.online) {
4310                 qla2x00_abort_isp_cleanup(vha);
4311
4312                 if (IS_QLA8031(ha)) {
4313                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4314                             "Clearing fcoe driver presence.\n");
4315                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4316                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4317                                     "Error while clearing DRV-Presence.\n");
4318                 }
4319
4320                 if (unlikely(pci_channel_offline(ha->pdev) &&
4321                     ha->flags.pci_channel_io_perm_failure)) {
4322                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4323                         status = 0;
4324                         return status;
4325                 }
4326
4327                 ha->isp_ops->get_flash_version(vha, req->ring);
4328
4329                 ha->isp_ops->nvram_config(vha);
4330
4331                 if (!qla2x00_restart_isp(vha)) {
4332                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4333
4334                         if (!atomic_read(&vha->loop_down_timer)) {
4335                                 /*
4336                                  * Issue marker command only when we are going
4337                                  * to start the I/O .
4338                                  */
4339                                 vha->marker_needed = 1;
4340                         }
4341
4342                         vha->flags.online = 1;
4343
4344                         ha->isp_ops->enable_intrs(ha);
4345
4346                         ha->isp_abort_cnt = 0;
4347                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4348
4349                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4350                                 qla2x00_get_fw_version(vha);
4351                         if (ha->fce) {
4352                                 ha->flags.fce_enabled = 1;
4353                                 memset(ha->fce, 0,
4354                                     fce_calc_size(ha->fce_bufs));
4355                                 rval = qla2x00_enable_fce_trace(vha,
4356                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4357                                     &ha->fce_bufs);
4358                                 if (rval) {
4359                                         ql_log(ql_log_warn, vha, 0x8033,
4360                                             "Unable to reinitialize FCE "
4361                                             "(%d).\n", rval);
4362                                         ha->flags.fce_enabled = 0;
4363                                 }
4364                         }
4365
4366                         if (ha->eft) {
4367                                 memset(ha->eft, 0, EFT_SIZE);
4368                                 rval = qla2x00_enable_eft_trace(vha,
4369                                     ha->eft_dma, EFT_NUM_BUFFERS);
4370                                 if (rval) {
4371                                         ql_log(ql_log_warn, vha, 0x8034,
4372                                             "Unable to reinitialize EFT "
4373                                             "(%d).\n", rval);
4374                                 }
4375                         }
4376                 } else {        /* failed the ISP abort */
4377                         vha->flags.online = 1;
4378                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4379                                 if (ha->isp_abort_cnt == 0) {
4380                                         ql_log(ql_log_fatal, vha, 0x8035,
4381                                             "ISP error recover failed - "
4382                                             "board disabled.\n");
4383                                         /*
4384                                          * The next call disables the board
4385                                          * completely.
4386                                          */
4387                                         ha->isp_ops->reset_adapter(vha);
4388                                         vha->flags.online = 0;
4389                                         clear_bit(ISP_ABORT_RETRY,
4390                                             &vha->dpc_flags);
4391                                         status = 0;
4392                                 } else { /* schedule another ISP abort */
4393                                         ha->isp_abort_cnt--;
4394                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4395                                             "ISP abort - retry remaining %d.\n",
4396                                             ha->isp_abort_cnt);
4397                                         status = 1;
4398                                 }
4399                         } else {
4400                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4401                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4402                                     "ISP error recovery - retrying (%d) "
4403                                     "more times.\n", ha->isp_abort_cnt);
4404                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4405                                 status = 1;
4406                         }
4407                 }
4408
4409         }
4410
4411         if (!status) {
4412                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4413
4414                 spin_lock_irqsave(&ha->vport_slock, flags);
4415                 list_for_each_entry(vp, &ha->vp_list, list) {
4416                         if (vp->vp_idx) {
4417                                 atomic_inc(&vp->vref_count);
4418                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4419
4420                                 qla2x00_vp_abort_isp(vp);
4421
4422                                 spin_lock_irqsave(&ha->vport_slock, flags);
4423                                 atomic_dec(&vp->vref_count);
4424                         }
4425                 }
4426                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4427
4428                 if (IS_QLA8031(ha)) {
4429                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4430                             "Setting back fcoe driver presence.\n");
4431                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4432                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4433                                     "Error while setting DRV-Presence.\n");
4434                 }
4435         } else {
4436                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4437                        __func__);
4438         }
4439
4440         return(status);
4441 }
4442
4443 /*
4444 *  qla2x00_restart_isp
4445 *      restarts the ISP after a reset
4446 *
4447 * Input:
4448 *      ha = adapter block pointer.
4449 *
4450 * Returns:
4451 *      0 = success
4452 */
4453 static int
4454 qla2x00_restart_isp(scsi_qla_host_t *vha)
4455 {
4456         int status = 0;
4457         uint32_t wait_time;
4458         struct qla_hw_data *ha = vha->hw;
4459         struct req_que *req = ha->req_q_map[0];
4460         struct rsp_que *rsp = ha->rsp_q_map[0];
4461         unsigned long flags;
4462
4463         /* If firmware needs to be loaded */
4464         if (qla2x00_isp_firmware(vha)) {
4465                 vha->flags.online = 0;
4466                 status = ha->isp_ops->chip_diag(vha);
4467                 if (!status)
4468                         status = qla2x00_setup_chip(vha);
4469         }
4470
4471         if (!status && !(status = qla2x00_init_rings(vha))) {
4472                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4473                 ha->flags.chip_reset_done = 1;
4474                 /* Initialize the queues in use */
4475                 qla25xx_init_queues(ha);
4476
4477                 status = qla2x00_fw_ready(vha);
4478                 if (!status) {
4479                         ql_dbg(ql_dbg_taskm, vha, 0x8031,
4480                             "Start configure loop status = %d.\n", status);
4481
4482                         /* Issue a marker after FW becomes ready. */
4483                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4484
4485                         vha->flags.online = 1;
4486
4487                         /*
4488                          * Process any ATIO queue entries that came in
4489                          * while we weren't online.
4490                          */
4491                         spin_lock_irqsave(&ha->hardware_lock, flags);
4492                         if (qla_tgt_mode_enabled(vha))
4493                                 qlt_24xx_process_atio_queue(vha);
4494                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4495
4496                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4497                         wait_time = 256;
4498                         do {
4499                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4500                                 qla2x00_configure_loop(vha);
4501                                 wait_time--;
4502                         } while (!atomic_read(&vha->loop_down_timer) &&
4503                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4504                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4505                                 &vha->dpc_flags)));
4506                 }
4507
4508                 /* if no cable then assume it's good */
4509                 if ((vha->device_flags & DFLG_NO_CABLE))
4510                         status = 0;
4511
4512                 ql_dbg(ql_dbg_taskm, vha, 0x8032,
4513                     "Configure loop done, status = 0x%x.\n", status);
4514         }
4515         return (status);
4516 }
4517
4518 static int
4519 qla25xx_init_queues(struct qla_hw_data *ha)
4520 {
4521         struct rsp_que *rsp = NULL;
4522         struct req_que *req = NULL;
4523         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4524         int ret = -1;
4525         int i;
4526
4527         for (i = 1; i < ha->max_rsp_queues; i++) {
4528                 rsp = ha->rsp_q_map[i];
4529                 if (rsp) {
4530                         rsp->options &= ~BIT_0;
4531                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4532                         if (ret != QLA_SUCCESS)
4533                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4534                                     "%s Rsp que: %d init failed.\n",
4535                                     __func__, rsp->id);
4536                         else
4537                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4538                                     "%s Rsp que: %d inited.\n",
4539                                     __func__, rsp->id);
4540                 }
4541         }
4542         for (i = 1; i < ha->max_req_queues; i++) {
4543                 req = ha->req_q_map[i];
4544                 if (req) {
4545                 /* Clear outstanding commands array. */
4546                         req->options &= ~BIT_0;
4547                         ret = qla25xx_init_req_que(base_vha, req);
4548                         if (ret != QLA_SUCCESS)
4549                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4550                                     "%s Req que: %d init failed.\n",
4551                                     __func__, req->id);
4552                         else
4553                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4554                                     "%s Req que: %d inited.\n",
4555                                     __func__, req->id);
4556                 }
4557         }
4558         return ret;
4559 }
4560
4561 /*
4562 * qla2x00_reset_adapter
4563 *      Reset adapter.
4564 *
4565 * Input:
4566 *      ha = adapter block pointer.
4567 */
4568 void
4569 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4570 {
4571         unsigned long flags = 0;
4572         struct qla_hw_data *ha = vha->hw;
4573         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4574
4575         vha->flags.online = 0;
4576         ha->isp_ops->disable_intrs(ha);
4577
4578         spin_lock_irqsave(&ha->hardware_lock, flags);
4579         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4580         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4581         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4582         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4583         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4584 }
4585
4586 void
4587 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4588 {
4589         unsigned long flags = 0;
4590         struct qla_hw_data *ha = vha->hw;
4591         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4592
4593         if (IS_QLA82XX(ha))
4594                 return;
4595
4596         vha->flags.online = 0;
4597         ha->isp_ops->disable_intrs(ha);
4598
4599         spin_lock_irqsave(&ha->hardware_lock, flags);
4600         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4601         RD_REG_DWORD(&reg->hccr);
4602         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4603         RD_REG_DWORD(&reg->hccr);
4604         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4605
4606         if (IS_NOPOLLING_TYPE(ha))
4607                 ha->isp_ops->enable_intrs(ha);
4608 }
4609
4610 /* On sparc systems, obtain port and node WWN from firmware
4611  * properties.
4612  */
4613 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4614         struct nvram_24xx *nv)
4615 {
4616 #ifdef CONFIG_SPARC
4617         struct qla_hw_data *ha = vha->hw;
4618         struct pci_dev *pdev = ha->pdev;
4619         struct device_node *dp = pci_device_to_OF_node(pdev);
4620         const u8 *val;
4621         int len;
4622
4623         val = of_get_property(dp, "port-wwn", &len);
4624         if (val && len >= WWN_SIZE)
4625                 memcpy(nv->port_name, val, WWN_SIZE);
4626
4627         val = of_get_property(dp, "node-wwn", &len);
4628         if (val && len >= WWN_SIZE)
4629                 memcpy(nv->node_name, val, WWN_SIZE);
4630 #endif
4631 }
4632
4633 int
4634 qla24xx_nvram_config(scsi_qla_host_t *vha)
4635 {
4636         int   rval;
4637         struct init_cb_24xx *icb;
4638         struct nvram_24xx *nv;
4639         uint32_t *dptr;
4640         uint8_t  *dptr1, *dptr2;
4641         uint32_t chksum;
4642         uint16_t cnt;
4643         struct qla_hw_data *ha = vha->hw;
4644
4645         rval = QLA_SUCCESS;
4646         icb = (struct init_cb_24xx *)ha->init_cb;
4647         nv = ha->nvram;
4648
4649         /* Determine NVRAM starting address. */
4650         if (ha->flags.port0) {
4651                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4652                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4653         } else {
4654                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4655                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4656         }
4657         ha->nvram_size = sizeof(struct nvram_24xx);
4658         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4659         if (IS_QLA82XX(ha))
4660                 ha->vpd_size = FA_VPD_SIZE_82XX;
4661
4662         /* Get VPD data into cache */
4663         ha->vpd = ha->nvram + VPD_OFFSET;
4664         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4665             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4666
4667         /* Get NVRAM data into cache and calculate checksum. */
4668         dptr = (uint32_t *)nv;
4669         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4670             ha->nvram_size);
4671         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4672                 chksum += le32_to_cpu(*dptr++);
4673
4674         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4675             "Contents of NVRAM\n");
4676         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4677             (uint8_t *)nv, ha->nvram_size);
4678
4679         /* Bad NVRAM data, set defaults parameters. */
4680         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4681             || nv->id[3] != ' ' ||
4682             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4683                 /* Reset NVRAM data. */
4684                 ql_log(ql_log_warn, vha, 0x006b,
4685                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
4686                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4687                 ql_log(ql_log_warn, vha, 0x006c,
4688                     "Falling back to functioning (yet invalid -- WWPN) "
4689                     "defaults.\n");
4690
4691                 /*
4692                  * Set default initialization control block.
4693                  */
4694                 memset(nv, 0, ha->nvram_size);
4695                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4696                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4697                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4698                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4699                 nv->exchange_count = __constant_cpu_to_le16(0);
4700                 nv->hard_address = __constant_cpu_to_le16(124);
4701                 nv->port_name[0] = 0x21;
4702                 nv->port_name[1] = 0x00 + ha->port_no;
4703                 nv->port_name[2] = 0x00;
4704                 nv->port_name[3] = 0xe0;
4705                 nv->port_name[4] = 0x8b;
4706                 nv->port_name[5] = 0x1c;
4707                 nv->port_name[6] = 0x55;
4708                 nv->port_name[7] = 0x86;
4709                 nv->node_name[0] = 0x20;
4710                 nv->node_name[1] = 0x00;
4711                 nv->node_name[2] = 0x00;
4712                 nv->node_name[3] = 0xe0;
4713                 nv->node_name[4] = 0x8b;
4714                 nv->node_name[5] = 0x1c;
4715                 nv->node_name[6] = 0x55;
4716                 nv->node_name[7] = 0x86;
4717                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4718                 nv->login_retry_count = __constant_cpu_to_le16(8);
4719                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4720                 nv->login_timeout = __constant_cpu_to_le16(0);
4721                 nv->firmware_options_1 =
4722                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4723                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4724                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4725                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4726                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4727                 nv->efi_parameters = __constant_cpu_to_le32(0);
4728                 nv->reset_delay = 5;
4729                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4730                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4731                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4732
4733                 rval = 1;
4734         }
4735
4736         if (!qla_ini_mode_enabled(vha)) {
4737                 /* Don't enable full login after initial LIP */
4738                 nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
4739                 /* Don't enable LIP full login for initiator */
4740                 nv->host_p &= __constant_cpu_to_le32(~BIT_10);
4741         }
4742
4743         qlt_24xx_config_nvram_stage1(vha, nv);
4744
4745         /* Reset Initialization control block */
4746         memset(icb, 0, ha->init_cb_size);
4747
4748         /* Copy 1st segment. */
4749         dptr1 = (uint8_t *)icb;
4750         dptr2 = (uint8_t *)&nv->version;
4751         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4752         while (cnt--)
4753                 *dptr1++ = *dptr2++;
4754
4755         icb->login_retry_count = nv->login_retry_count;
4756         icb->link_down_on_nos = nv->link_down_on_nos;
4757
4758         /* Copy 2nd segment. */
4759         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4760         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4761         cnt = (uint8_t *)&icb->reserved_3 -
4762             (uint8_t *)&icb->interrupt_delay_timer;
4763         while (cnt--)
4764                 *dptr1++ = *dptr2++;
4765
4766         /*
4767          * Setup driver NVRAM options.
4768          */
4769         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4770             "QLA2462");
4771
4772         qlt_24xx_config_nvram_stage2(vha, icb);
4773
4774         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4775                 /* Use alternate WWN? */
4776                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4777                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4778         }
4779
4780         /* Prepare nodename */
4781         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4782                 /*
4783                  * Firmware will apply the following mask if the nodename was
4784                  * not provided.
4785                  */
4786                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4787                 icb->node_name[0] &= 0xF0;
4788         }
4789
4790         /* Set host adapter parameters. */
4791         ha->flags.disable_risc_code_load = 0;
4792         ha->flags.enable_lip_reset = 0;
4793         ha->flags.enable_lip_full_login =
4794             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4795         ha->flags.enable_target_reset =
4796             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4797         ha->flags.enable_led_scheme = 0;
4798         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4799
4800         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4801             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4802
4803         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4804             sizeof(ha->fw_seriallink_options24));
4805
4806         /* save HBA serial number */
4807         ha->serial0 = icb->port_name[5];
4808         ha->serial1 = icb->port_name[6];
4809         ha->serial2 = icb->port_name[7];
4810         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4811         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4812
4813         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4814
4815         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4816
4817         /* Set minimum login_timeout to 4 seconds. */
4818         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4819                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4820         if (le16_to_cpu(nv->login_timeout) < 4)
4821                 nv->login_timeout = __constant_cpu_to_le16(4);
4822         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4823         icb->login_timeout = nv->login_timeout;
4824
4825         /* Set minimum RATOV to 100 tenths of a second. */
4826         ha->r_a_tov = 100;
4827
4828         ha->loop_reset_delay = nv->reset_delay;
4829
4830         /* Link Down Timeout = 0:
4831          *
4832          *      When Port Down timer expires we will start returning
4833          *      I/O's to OS with "DID_NO_CONNECT".
4834          *
4835          * Link Down Timeout != 0:
4836          *
4837          *       The driver waits for the link to come up after link down
4838          *       before returning I/Os to OS with "DID_NO_CONNECT".
4839          */
4840         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4841                 ha->loop_down_abort_time =
4842                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4843         } else {
4844                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4845                 ha->loop_down_abort_time =
4846                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4847         }
4848
4849         /* Need enough time to try and get the port back. */
4850         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4851         if (qlport_down_retry)
4852                 ha->port_down_retry_count = qlport_down_retry;
4853
4854         /* Set login_retry_count */
4855         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4856         if (ha->port_down_retry_count ==
4857             le16_to_cpu(nv->port_down_retry_count) &&
4858             ha->port_down_retry_count > 3)
4859                 ha->login_retry_count = ha->port_down_retry_count;
4860         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4861                 ha->login_retry_count = ha->port_down_retry_count;
4862         if (ql2xloginretrycount)
4863                 ha->login_retry_count = ql2xloginretrycount;
4864
4865         /* Enable ZIO. */
4866         if (!vha->flags.init_done) {
4867                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4868                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4869                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4870                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4871         }
4872         icb->firmware_options_2 &= __constant_cpu_to_le32(
4873             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4874         vha->flags.process_response_queue = 0;
4875         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4876                 ha->zio_mode = QLA_ZIO_MODE_6;
4877
4878                 ql_log(ql_log_info, vha, 0x006f,
4879                     "ZIO mode %d enabled; timer delay (%d us).\n",
4880                     ha->zio_mode, ha->zio_timer * 100);
4881
4882                 icb->firmware_options_2 |= cpu_to_le32(
4883                     (uint32_t)ha->zio_mode);
4884                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4885                 vha->flags.process_response_queue = 1;
4886         }
4887
4888         if (rval) {
4889                 ql_log(ql_log_warn, vha, 0x0070,
4890                     "NVRAM configuration failed.\n");
4891         }
4892         return (rval);
4893 }
4894
4895 static int
4896 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4897     uint32_t faddr)
4898 {
4899         int     rval = QLA_SUCCESS;
4900         int     segments, fragment;
4901         uint32_t *dcode, dlen;
4902         uint32_t risc_addr;
4903         uint32_t risc_size;
4904         uint32_t i;
4905         struct qla_hw_data *ha = vha->hw;
4906         struct req_que *req = ha->req_q_map[0];
4907
4908         ql_dbg(ql_dbg_init, vha, 0x008b,
4909             "FW: Loading firmware from flash (%x).\n", faddr);
4910
4911         rval = QLA_SUCCESS;
4912
4913         segments = FA_RISC_CODE_SEGMENTS;
4914         dcode = (uint32_t *)req->ring;
4915         *srisc_addr = 0;
4916
4917         /* Validate firmware image by checking version. */
4918         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4919         for (i = 0; i < 4; i++)
4920                 dcode[i] = be32_to_cpu(dcode[i]);
4921         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4922             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4923             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4924                 dcode[3] == 0)) {
4925                 ql_log(ql_log_fatal, vha, 0x008c,
4926                     "Unable to verify the integrity of flash firmware "
4927                     "image.\n");
4928                 ql_log(ql_log_fatal, vha, 0x008d,
4929                     "Firmware data: %08x %08x %08x %08x.\n",
4930                     dcode[0], dcode[1], dcode[2], dcode[3]);
4931
4932                 return QLA_FUNCTION_FAILED;
4933         }
4934
4935         while (segments && rval == QLA_SUCCESS) {
4936                 /* Read segment's load information. */
4937                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4938
4939                 risc_addr = be32_to_cpu(dcode[2]);
4940                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4941                 risc_size = be32_to_cpu(dcode[3]);
4942
4943                 fragment = 0;
4944                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4945                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4946                         if (dlen > risc_size)
4947                                 dlen = risc_size;
4948
4949                         ql_dbg(ql_dbg_init, vha, 0x008e,
4950                             "Loading risc segment@ risc addr %x "
4951                             "number of dwords 0x%x offset 0x%x.\n",
4952                             risc_addr, dlen, faddr);
4953
4954                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4955                         for (i = 0; i < dlen; i++)
4956                                 dcode[i] = swab32(dcode[i]);
4957
4958                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4959                             dlen);
4960                         if (rval) {
4961                                 ql_log(ql_log_fatal, vha, 0x008f,
4962                                     "Failed to load segment %d of firmware.\n",
4963                                     fragment);
4964                                 break;
4965                         }
4966
4967                         faddr += dlen;
4968                         risc_addr += dlen;
4969                         risc_size -= dlen;
4970                         fragment++;
4971                 }
4972
4973                 /* Next segment. */
4974                 segments--;
4975         }
4976
4977         return rval;
4978 }
4979
4980 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4981
4982 int
4983 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4984 {
4985         int     rval;
4986         int     i, fragment;
4987         uint16_t *wcode, *fwcode;
4988         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4989         struct fw_blob *blob;
4990         struct qla_hw_data *ha = vha->hw;
4991         struct req_que *req = ha->req_q_map[0];
4992
4993         /* Load firmware blob. */
4994         blob = qla2x00_request_firmware(vha);
4995         if (!blob) {
4996                 ql_log(ql_log_info, vha, 0x0083,
4997                     "Fimware image unavailable.\n");
4998                 ql_log(ql_log_info, vha, 0x0084,
4999                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5000                 return QLA_FUNCTION_FAILED;
5001         }
5002
5003         rval = QLA_SUCCESS;
5004
5005         wcode = (uint16_t *)req->ring;
5006         *srisc_addr = 0;
5007         fwcode = (uint16_t *)blob->fw->data;
5008         fwclen = 0;
5009
5010         /* Validate firmware image by checking version. */
5011         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5012                 ql_log(ql_log_fatal, vha, 0x0085,
5013                     "Unable to verify integrity of firmware image (%Zd).\n",
5014                     blob->fw->size);
5015                 goto fail_fw_integrity;
5016         }
5017         for (i = 0; i < 4; i++)
5018                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5019         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5020             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5021                 wcode[2] == 0 && wcode[3] == 0)) {
5022                 ql_log(ql_log_fatal, vha, 0x0086,
5023                     "Unable to verify integrity of firmware image.\n");
5024                 ql_log(ql_log_fatal, vha, 0x0087,
5025                     "Firmware data: %04x %04x %04x %04x.\n",
5026                     wcode[0], wcode[1], wcode[2], wcode[3]);
5027                 goto fail_fw_integrity;
5028         }
5029
5030         seg = blob->segs;
5031         while (*seg && rval == QLA_SUCCESS) {
5032                 risc_addr = *seg;
5033                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5034                 risc_size = be16_to_cpu(fwcode[3]);
5035
5036                 /* Validate firmware image size. */
5037                 fwclen += risc_size * sizeof(uint16_t);
5038                 if (blob->fw->size < fwclen) {
5039                         ql_log(ql_log_fatal, vha, 0x0088,
5040                             "Unable to verify integrity of firmware image "
5041                             "(%Zd).\n", blob->fw->size);
5042                         goto fail_fw_integrity;
5043                 }
5044
5045                 fragment = 0;
5046                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5047                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5048                         if (wlen > risc_size)
5049                                 wlen = risc_size;
5050                         ql_dbg(ql_dbg_init, vha, 0x0089,
5051                             "Loading risc segment@ risc addr %x number of "
5052                             "words 0x%x.\n", risc_addr, wlen);
5053
5054                         for (i = 0; i < wlen; i++)
5055                                 wcode[i] = swab16(fwcode[i]);
5056
5057                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5058                             wlen);
5059                         if (rval) {
5060                                 ql_log(ql_log_fatal, vha, 0x008a,
5061                                     "Failed to load segment %d of firmware.\n",
5062                                     fragment);
5063                                 break;
5064                         }
5065
5066                         fwcode += wlen;
5067                         risc_addr += wlen;
5068                         risc_size -= wlen;
5069                         fragment++;
5070                 }
5071
5072                 /* Next segment. */
5073                 seg++;
5074         }
5075         return rval;
5076
5077 fail_fw_integrity:
5078         return QLA_FUNCTION_FAILED;
5079 }
5080
5081 static int
5082 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5083 {
5084         int     rval;
5085         int     segments, fragment;
5086         uint32_t *dcode, dlen;
5087         uint32_t risc_addr;
5088         uint32_t risc_size;
5089         uint32_t i;
5090         struct fw_blob *blob;
5091         uint32_t *fwcode, fwclen;
5092         struct qla_hw_data *ha = vha->hw;
5093         struct req_que *req = ha->req_q_map[0];
5094
5095         /* Load firmware blob. */
5096         blob = qla2x00_request_firmware(vha);
5097         if (!blob) {
5098                 ql_log(ql_log_warn, vha, 0x0090,
5099                     "Fimware image unavailable.\n");
5100                 ql_log(ql_log_warn, vha, 0x0091,
5101                     "Firmware images can be retrieved from: "
5102                     QLA_FW_URL ".\n");
5103
5104                 return QLA_FUNCTION_FAILED;
5105         }
5106
5107         ql_dbg(ql_dbg_init, vha, 0x0092,
5108             "FW: Loading via request-firmware.\n");
5109
5110         rval = QLA_SUCCESS;
5111
5112         segments = FA_RISC_CODE_SEGMENTS;
5113         dcode = (uint32_t *)req->ring;
5114         *srisc_addr = 0;
5115         fwcode = (uint32_t *)blob->fw->data;
5116         fwclen = 0;
5117
5118         /* Validate firmware image by checking version. */
5119         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5120                 ql_log(ql_log_fatal, vha, 0x0093,
5121                     "Unable to verify integrity of firmware image (%Zd).\n",
5122                     blob->fw->size);
5123                 goto fail_fw_integrity;
5124         }
5125         for (i = 0; i < 4; i++)
5126                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5127         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5128             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5129             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5130                 dcode[3] == 0)) {
5131                 ql_log(ql_log_fatal, vha, 0x0094,
5132                     "Unable to verify integrity of firmware image (%Zd).\n",
5133                     blob->fw->size);
5134                 ql_log(ql_log_fatal, vha, 0x0095,
5135                     "Firmware data: %08x %08x %08x %08x.\n",
5136                     dcode[0], dcode[1], dcode[2], dcode[3]);
5137                 goto fail_fw_integrity;
5138         }
5139
5140         while (segments && rval == QLA_SUCCESS) {
5141                 risc_addr = be32_to_cpu(fwcode[2]);
5142                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5143                 risc_size = be32_to_cpu(fwcode[3]);
5144
5145                 /* Validate firmware image size. */
5146                 fwclen += risc_size * sizeof(uint32_t);
5147                 if (blob->fw->size < fwclen) {
5148                         ql_log(ql_log_fatal, vha, 0x0096,
5149                             "Unable to verify integrity of firmware image "
5150                             "(%Zd).\n", blob->fw->size);
5151
5152                         goto fail_fw_integrity;
5153                 }
5154
5155                 fragment = 0;
5156                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5157                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5158                         if (dlen > risc_size)
5159                                 dlen = risc_size;
5160
5161                         ql_dbg(ql_dbg_init, vha, 0x0097,
5162                             "Loading risc segment@ risc addr %x "
5163                             "number of dwords 0x%x.\n", risc_addr, dlen);
5164
5165                         for (i = 0; i < dlen; i++)
5166                                 dcode[i] = swab32(fwcode[i]);
5167
5168                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5169                             dlen);
5170                         if (rval) {
5171                                 ql_log(ql_log_fatal, vha, 0x0098,
5172                                     "Failed to load segment %d of firmware.\n",
5173                                     fragment);
5174                                 break;
5175                         }
5176
5177                         fwcode += dlen;
5178                         risc_addr += dlen;
5179                         risc_size -= dlen;
5180                         fragment++;
5181                 }
5182
5183                 /* Next segment. */
5184                 segments--;
5185         }
5186         return rval;
5187
5188 fail_fw_integrity:
5189         return QLA_FUNCTION_FAILED;
5190 }
5191
5192 int
5193 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5194 {
5195         int rval;
5196
5197         if (ql2xfwloadbin == 1)
5198                 return qla81xx_load_risc(vha, srisc_addr);
5199
5200         /*
5201          * FW Load priority:
5202          * 1) Firmware via request-firmware interface (.bin file).
5203          * 2) Firmware residing in flash.
5204          */
5205         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5206         if (rval == QLA_SUCCESS)
5207                 return rval;
5208
5209         return qla24xx_load_risc_flash(vha, srisc_addr,
5210             vha->hw->flt_region_fw);
5211 }
5212
5213 int
5214 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5215 {
5216         int rval;
5217         struct qla_hw_data *ha = vha->hw;
5218
5219         if (ql2xfwloadbin == 2)
5220                 goto try_blob_fw;
5221
5222         /*
5223          * FW Load priority:
5224          * 1) Firmware residing in flash.
5225          * 2) Firmware via request-firmware interface (.bin file).
5226          * 3) Golden-Firmware residing in flash -- limited operation.
5227          */
5228         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5229         if (rval == QLA_SUCCESS)
5230                 return rval;
5231
5232 try_blob_fw:
5233         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5234         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5235                 return rval;
5236
5237         ql_log(ql_log_info, vha, 0x0099,
5238             "Attempting to fallback to golden firmware.\n");
5239         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5240         if (rval != QLA_SUCCESS)
5241                 return rval;
5242
5243         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5244         ha->flags.running_gold_fw = 1;
5245         return rval;
5246 }
5247
5248 void
5249 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5250 {
5251         int ret, retries;
5252         struct qla_hw_data *ha = vha->hw;
5253
5254         if (ha->flags.pci_channel_io_perm_failure)
5255                 return;
5256         if (!IS_FWI2_CAPABLE(ha))
5257                 return;
5258         if (!ha->fw_major_version)
5259                 return;
5260
5261         ret = qla2x00_stop_firmware(vha);
5262         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5263             ret != QLA_INVALID_COMMAND && retries ; retries--) {
5264                 ha->isp_ops->reset_chip(vha);
5265                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5266                         continue;
5267                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5268                         continue;
5269                 ql_log(ql_log_info, vha, 0x8015,
5270                     "Attempting retry of stop-firmware command.\n");
5271                 ret = qla2x00_stop_firmware(vha);
5272         }
5273 }
5274
5275 int
5276 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5277 {
5278         int rval = QLA_SUCCESS;
5279         int rval2;
5280         uint16_t mb[MAILBOX_REGISTER_COUNT];
5281         struct qla_hw_data *ha = vha->hw;
5282         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5283         struct req_que *req;
5284         struct rsp_que *rsp;
5285
5286         if (!vha->vp_idx)
5287                 return -EINVAL;
5288
5289         rval = qla2x00_fw_ready(base_vha);
5290         if (ha->flags.cpu_affinity_enabled)
5291                 req = ha->req_q_map[0];
5292         else
5293                 req = vha->req;
5294         rsp = req->rsp;
5295
5296         if (rval == QLA_SUCCESS) {
5297                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5298                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5299         }
5300
5301         vha->flags.management_server_logged_in = 0;
5302
5303         /* Login to SNS first */
5304         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5305             BIT_1);
5306         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5307                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5308                         ql_dbg(ql_dbg_init, vha, 0x0120,
5309                             "Failed SNS login: loop_id=%x, rval2=%d\n",
5310                             NPH_SNS, rval2);
5311                 else
5312                         ql_dbg(ql_dbg_init, vha, 0x0103,
5313                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5314                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5315                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5316                 return (QLA_FUNCTION_FAILED);
5317         }
5318
5319         atomic_set(&vha->loop_down_timer, 0);
5320         atomic_set(&vha->loop_state, LOOP_UP);
5321         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5322         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5323         rval = qla2x00_loop_resync(base_vha);
5324
5325         return rval;
5326 }
5327
5328 /* 84XX Support **************************************************************/
5329
5330 static LIST_HEAD(qla_cs84xx_list);
5331 static DEFINE_MUTEX(qla_cs84xx_mutex);
5332
5333 static struct qla_chip_state_84xx *
5334 qla84xx_get_chip(struct scsi_qla_host *vha)
5335 {
5336         struct qla_chip_state_84xx *cs84xx;
5337         struct qla_hw_data *ha = vha->hw;
5338
5339         mutex_lock(&qla_cs84xx_mutex);
5340
5341         /* Find any shared 84xx chip. */
5342         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5343                 if (cs84xx->bus == ha->pdev->bus) {
5344                         kref_get(&cs84xx->kref);
5345                         goto done;
5346                 }
5347         }
5348
5349         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5350         if (!cs84xx)
5351                 goto done;
5352
5353         kref_init(&cs84xx->kref);
5354         spin_lock_init(&cs84xx->access_lock);
5355         mutex_init(&cs84xx->fw_update_mutex);
5356         cs84xx->bus = ha->pdev->bus;
5357
5358         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5359 done:
5360         mutex_unlock(&qla_cs84xx_mutex);
5361         return cs84xx;
5362 }
5363
5364 static void
5365 __qla84xx_chip_release(struct kref *kref)
5366 {
5367         struct qla_chip_state_84xx *cs84xx =
5368             container_of(kref, struct qla_chip_state_84xx, kref);
5369
5370         mutex_lock(&qla_cs84xx_mutex);
5371         list_del(&cs84xx->list);
5372         mutex_unlock(&qla_cs84xx_mutex);
5373         kfree(cs84xx);
5374 }
5375
5376 void
5377 qla84xx_put_chip(struct scsi_qla_host *vha)
5378 {
5379         struct qla_hw_data *ha = vha->hw;
5380         if (ha->cs84xx)
5381                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5382 }
5383
5384 static int
5385 qla84xx_init_chip(scsi_qla_host_t *vha)
5386 {
5387         int rval;
5388         uint16_t status[2];
5389         struct qla_hw_data *ha = vha->hw;
5390
5391         mutex_lock(&ha->cs84xx->fw_update_mutex);
5392
5393         rval = qla84xx_verify_chip(vha, status);
5394
5395         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5396
5397         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5398             QLA_SUCCESS;
5399 }
5400
5401 /* 81XX Support **************************************************************/
5402
5403 int
5404 qla81xx_nvram_config(scsi_qla_host_t *vha)
5405 {
5406         int   rval;
5407         struct init_cb_81xx *icb;
5408         struct nvram_81xx *nv;
5409         uint32_t *dptr;
5410         uint8_t  *dptr1, *dptr2;
5411         uint32_t chksum;
5412         uint16_t cnt;
5413         struct qla_hw_data *ha = vha->hw;
5414
5415         rval = QLA_SUCCESS;
5416         icb = (struct init_cb_81xx *)ha->init_cb;
5417         nv = ha->nvram;
5418
5419         /* Determine NVRAM starting address. */
5420         ha->nvram_size = sizeof(struct nvram_81xx);
5421         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5422
5423         /* Get VPD data into cache */
5424         ha->vpd = ha->nvram + VPD_OFFSET;
5425         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5426             ha->vpd_size);
5427
5428         /* Get NVRAM data into cache and calculate checksum. */
5429         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5430             ha->nvram_size);
5431         dptr = (uint32_t *)nv;
5432         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5433                 chksum += le32_to_cpu(*dptr++);
5434
5435         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5436             "Contents of NVRAM:\n");
5437         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5438             (uint8_t *)nv, ha->nvram_size);
5439
5440         /* Bad NVRAM data, set defaults parameters. */
5441         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5442             || nv->id[3] != ' ' ||
5443             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5444                 /* Reset NVRAM data. */
5445                 ql_log(ql_log_info, vha, 0x0073,
5446                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5447                     "version=0x%x.\n", chksum, nv->id[0],
5448                     le16_to_cpu(nv->nvram_version));
5449                 ql_log(ql_log_info, vha, 0x0074,
5450                     "Falling back to functioning (yet invalid -- WWPN) "
5451                     "defaults.\n");
5452
5453                 /*
5454                  * Set default initialization control block.
5455                  */
5456                 memset(nv, 0, ha->nvram_size);
5457                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5458                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5459                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5460                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5461                 nv->exchange_count = __constant_cpu_to_le16(0);
5462                 nv->port_name[0] = 0x21;
5463                 nv->port_name[1] = 0x00 + ha->port_no;
5464                 nv->port_name[2] = 0x00;
5465                 nv->port_name[3] = 0xe0;
5466                 nv->port_name[4] = 0x8b;
5467                 nv->port_name[5] = 0x1c;
5468                 nv->port_name[6] = 0x55;
5469                 nv->port_name[7] = 0x86;
5470                 nv->node_name[0] = 0x20;
5471                 nv->node_name[1] = 0x00;
5472                 nv->node_name[2] = 0x00;
5473                 nv->node_name[3] = 0xe0;
5474                 nv->node_name[4] = 0x8b;
5475                 nv->node_name[5] = 0x1c;
5476                 nv->node_name[6] = 0x55;
5477                 nv->node_name[7] = 0x86;
5478                 nv->login_retry_count = __constant_cpu_to_le16(8);
5479                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5480                 nv->login_timeout = __constant_cpu_to_le16(0);
5481                 nv->firmware_options_1 =
5482                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5483                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5484                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5485                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5486                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5487                 nv->efi_parameters = __constant_cpu_to_le32(0);
5488                 nv->reset_delay = 5;
5489                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5490                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5491                 nv->link_down_timeout = __constant_cpu_to_le16(180);
5492                 nv->enode_mac[0] = 0x00;
5493                 nv->enode_mac[1] = 0xC0;
5494                 nv->enode_mac[2] = 0xDD;
5495                 nv->enode_mac[3] = 0x04;
5496                 nv->enode_mac[4] = 0x05;
5497                 nv->enode_mac[5] = 0x06 + ha->port_no;
5498
5499                 rval = 1;
5500         }
5501
5502         if (IS_T10_PI_CAPABLE(ha))
5503                 nv->frame_payload_size &= ~7;
5504
5505         /* Reset Initialization control block */
5506         memset(icb, 0, ha->init_cb_size);
5507
5508         /* Copy 1st segment. */
5509         dptr1 = (uint8_t *)icb;
5510         dptr2 = (uint8_t *)&nv->version;
5511         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5512         while (cnt--)
5513                 *dptr1++ = *dptr2++;
5514
5515         icb->login_retry_count = nv->login_retry_count;
5516
5517         /* Copy 2nd segment. */
5518         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5519         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5520         cnt = (uint8_t *)&icb->reserved_5 -
5521             (uint8_t *)&icb->interrupt_delay_timer;
5522         while (cnt--)
5523                 *dptr1++ = *dptr2++;
5524
5525         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5526         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5527         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5528                 icb->enode_mac[0] = 0x00;
5529                 icb->enode_mac[1] = 0xC0;
5530                 icb->enode_mac[2] = 0xDD;
5531                 icb->enode_mac[3] = 0x04;
5532                 icb->enode_mac[4] = 0x05;
5533                 icb->enode_mac[5] = 0x06 + ha->port_no;
5534         }
5535
5536         /* Use extended-initialization control block. */
5537         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5538
5539         /*
5540          * Setup driver NVRAM options.
5541          */
5542         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5543             "QLE8XXX");
5544
5545         /* Use alternate WWN? */
5546         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5547                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5548                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5549         }
5550
5551         /* Prepare nodename */
5552         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5553                 /*
5554                  * Firmware will apply the following mask if the nodename was
5555                  * not provided.
5556                  */
5557                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5558                 icb->node_name[0] &= 0xF0;
5559         }
5560
5561         /* Set host adapter parameters. */
5562         ha->flags.disable_risc_code_load = 0;
5563         ha->flags.enable_lip_reset = 0;
5564         ha->flags.enable_lip_full_login =
5565             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5566         ha->flags.enable_target_reset =
5567             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5568         ha->flags.enable_led_scheme = 0;
5569         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5570
5571         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5572             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5573
5574         /* save HBA serial number */
5575         ha->serial0 = icb->port_name[5];
5576         ha->serial1 = icb->port_name[6];
5577         ha->serial2 = icb->port_name[7];
5578         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5579         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5580
5581         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5582
5583         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5584
5585         /* Set minimum login_timeout to 4 seconds. */
5586         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5587                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5588         if (le16_to_cpu(nv->login_timeout) < 4)
5589                 nv->login_timeout = __constant_cpu_to_le16(4);
5590         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5591         icb->login_timeout = nv->login_timeout;
5592
5593         /* Set minimum RATOV to 100 tenths of a second. */
5594         ha->r_a_tov = 100;
5595
5596         ha->loop_reset_delay = nv->reset_delay;
5597
5598         /* Link Down Timeout = 0:
5599          *
5600          *      When Port Down timer expires we will start returning
5601          *      I/O's to OS with "DID_NO_CONNECT".
5602          *
5603          * Link Down Timeout != 0:
5604          *
5605          *       The driver waits for the link to come up after link down
5606          *       before returning I/Os to OS with "DID_NO_CONNECT".
5607          */
5608         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5609                 ha->loop_down_abort_time =
5610                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5611         } else {
5612                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5613                 ha->loop_down_abort_time =
5614                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5615         }
5616
5617         /* Need enough time to try and get the port back. */
5618         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5619         if (qlport_down_retry)
5620                 ha->port_down_retry_count = qlport_down_retry;
5621
5622         /* Set login_retry_count */
5623         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5624         if (ha->port_down_retry_count ==
5625             le16_to_cpu(nv->port_down_retry_count) &&
5626             ha->port_down_retry_count > 3)
5627                 ha->login_retry_count = ha->port_down_retry_count;
5628         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5629                 ha->login_retry_count = ha->port_down_retry_count;
5630         if (ql2xloginretrycount)
5631                 ha->login_retry_count = ql2xloginretrycount;
5632
5633         /* if not running MSI-X we need handshaking on interrupts */
5634         if (!vha->hw->flags.msix_enabled && IS_QLA83XX(ha))
5635                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22);
5636
5637         /* Enable ZIO. */
5638         if (!vha->flags.init_done) {
5639                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5640                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5641                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5642                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5643         }
5644         icb->firmware_options_2 &= __constant_cpu_to_le32(
5645             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5646         vha->flags.process_response_queue = 0;
5647         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5648                 ha->zio_mode = QLA_ZIO_MODE_6;
5649
5650                 ql_log(ql_log_info, vha, 0x0075,
5651                     "ZIO mode %d enabled; timer delay (%d us).\n",
5652                     ha->zio_mode,
5653                     ha->zio_timer * 100);
5654
5655                 icb->firmware_options_2 |= cpu_to_le32(
5656                     (uint32_t)ha->zio_mode);
5657                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5658                 vha->flags.process_response_queue = 1;
5659         }
5660
5661         if (rval) {
5662                 ql_log(ql_log_warn, vha, 0x0076,
5663                     "NVRAM configuration failed.\n");
5664         }
5665         return (rval);
5666 }
5667
5668 int
5669 qla82xx_restart_isp(scsi_qla_host_t *vha)
5670 {
5671         int status, rval;
5672         uint32_t wait_time;
5673         struct qla_hw_data *ha = vha->hw;
5674         struct req_que *req = ha->req_q_map[0];
5675         struct rsp_que *rsp = ha->rsp_q_map[0];
5676         struct scsi_qla_host *vp;
5677         unsigned long flags;
5678
5679         status = qla2x00_init_rings(vha);
5680         if (!status) {
5681                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5682                 ha->flags.chip_reset_done = 1;
5683
5684                 status = qla2x00_fw_ready(vha);
5685                 if (!status) {
5686                         ql_log(ql_log_info, vha, 0x803c,
5687                             "Start configure loop, status =%d.\n", status);
5688
5689                         /* Issue a marker after FW becomes ready. */
5690                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5691
5692                         vha->flags.online = 1;
5693                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5694                         wait_time = 256;
5695                         do {
5696                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5697                                 qla2x00_configure_loop(vha);
5698                                 wait_time--;
5699                         } while (!atomic_read(&vha->loop_down_timer) &&
5700                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5701                             wait_time &&
5702                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5703                 }
5704
5705                 /* if no cable then assume it's good */
5706                 if ((vha->device_flags & DFLG_NO_CABLE))
5707                         status = 0;
5708
5709                 ql_log(ql_log_info, vha, 0x8000,
5710                     "Configure loop done, status = 0x%x.\n", status);
5711         }
5712
5713         if (!status) {
5714                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5715
5716                 if (!atomic_read(&vha->loop_down_timer)) {
5717                         /*
5718                          * Issue marker command only when we are going
5719                          * to start the I/O .
5720                          */
5721                         vha->marker_needed = 1;
5722                 }
5723
5724                 vha->flags.online = 1;
5725
5726                 ha->isp_ops->enable_intrs(ha);
5727
5728                 ha->isp_abort_cnt = 0;
5729                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5730
5731                 /* Update the firmware version */
5732                 status = qla82xx_check_md_needed(vha);
5733
5734                 if (ha->fce) {
5735                         ha->flags.fce_enabled = 1;
5736                         memset(ha->fce, 0,
5737                             fce_calc_size(ha->fce_bufs));
5738                         rval = qla2x00_enable_fce_trace(vha,
5739                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5740                             &ha->fce_bufs);
5741                         if (rval) {
5742                                 ql_log(ql_log_warn, vha, 0x8001,
5743                                     "Unable to reinitialize FCE (%d).\n",
5744                                     rval);
5745                                 ha->flags.fce_enabled = 0;
5746                         }
5747                 }
5748
5749                 if (ha->eft) {
5750                         memset(ha->eft, 0, EFT_SIZE);
5751                         rval = qla2x00_enable_eft_trace(vha,
5752                             ha->eft_dma, EFT_NUM_BUFFERS);
5753                         if (rval) {
5754                                 ql_log(ql_log_warn, vha, 0x8010,
5755                                     "Unable to reinitialize EFT (%d).\n",
5756                                     rval);
5757                         }
5758                 }
5759         }
5760
5761         if (!status) {
5762                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
5763                     "qla82xx_restart_isp succeeded.\n");
5764
5765                 spin_lock_irqsave(&ha->vport_slock, flags);
5766                 list_for_each_entry(vp, &ha->vp_list, list) {
5767                         if (vp->vp_idx) {
5768                                 atomic_inc(&vp->vref_count);
5769                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5770
5771                                 qla2x00_vp_abort_isp(vp);
5772
5773                                 spin_lock_irqsave(&ha->vport_slock, flags);
5774                                 atomic_dec(&vp->vref_count);
5775                         }
5776                 }
5777                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5778
5779         } else {
5780                 ql_log(ql_log_warn, vha, 0x8016,
5781                     "qla82xx_restart_isp **** FAILED ****.\n");
5782         }
5783
5784         return status;
5785 }
5786
5787 void
5788 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5789 {
5790         struct qla_hw_data *ha = vha->hw;
5791
5792         if (!ql2xetsenable)
5793                 return;
5794
5795         /* Enable ETS Burst. */
5796         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5797         ha->fw_options[2] |= BIT_9;
5798         qla2x00_set_fw_options(vha, ha->fw_options);
5799 }
5800
5801 /*
5802  * qla24xx_get_fcp_prio
5803  *      Gets the fcp cmd priority value for the logged in port.
5804  *      Looks for a match of the port descriptors within
5805  *      each of the fcp prio config entries. If a match is found,
5806  *      the tag (priority) value is returned.
5807  *
5808  * Input:
5809  *      vha = scsi host structure pointer.
5810  *      fcport = port structure pointer.
5811  *
5812  * Return:
5813  *      non-zero (if found)
5814  *      -1 (if not found)
5815  *
5816  * Context:
5817  *      Kernel context
5818  */
5819 static int
5820 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5821 {
5822         int i, entries;
5823         uint8_t pid_match, wwn_match;
5824         int priority;
5825         uint32_t pid1, pid2;
5826         uint64_t wwn1, wwn2;
5827         struct qla_fcp_prio_entry *pri_entry;
5828         struct qla_hw_data *ha = vha->hw;
5829
5830         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5831                 return -1;
5832
5833         priority = -1;
5834         entries = ha->fcp_prio_cfg->num_entries;
5835         pri_entry = &ha->fcp_prio_cfg->entry[0];
5836
5837         for (i = 0; i < entries; i++) {
5838                 pid_match = wwn_match = 0;
5839
5840                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5841                         pri_entry++;
5842                         continue;
5843                 }
5844
5845                 /* check source pid for a match */
5846                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5847                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5848                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5849                         if (pid1 == INVALID_PORT_ID)
5850                                 pid_match++;
5851                         else if (pid1 == pid2)
5852                                 pid_match++;
5853                 }
5854
5855                 /* check destination pid for a match */
5856                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5857                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5858                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5859                         if (pid1 == INVALID_PORT_ID)
5860                                 pid_match++;
5861                         else if (pid1 == pid2)
5862                                 pid_match++;
5863                 }
5864
5865                 /* check source WWN for a match */
5866                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5867                         wwn1 = wwn_to_u64(vha->port_name);
5868                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5869                         if (wwn2 == (uint64_t)-1)
5870                                 wwn_match++;
5871                         else if (wwn1 == wwn2)
5872                                 wwn_match++;
5873                 }
5874
5875                 /* check destination WWN for a match */
5876                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5877                         wwn1 = wwn_to_u64(fcport->port_name);
5878                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5879                         if (wwn2 == (uint64_t)-1)
5880                                 wwn_match++;
5881                         else if (wwn1 == wwn2)
5882                                 wwn_match++;
5883                 }
5884
5885                 if (pid_match == 2 || wwn_match == 2) {
5886                         /* Found a matching entry */
5887                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5888                                 priority = pri_entry->tag;
5889                         break;
5890                 }
5891
5892                 pri_entry++;
5893         }
5894
5895         return priority;
5896 }
5897
5898 /*
5899  * qla24xx_update_fcport_fcp_prio
5900  *      Activates fcp priority for the logged in fc port
5901  *
5902  * Input:
5903  *      vha = scsi host structure pointer.
5904  *      fcp = port structure pointer.
5905  *
5906  * Return:
5907  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5908  *
5909  * Context:
5910  *      Kernel context.
5911  */
5912 int
5913 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5914 {
5915         int ret;
5916         int priority;
5917         uint16_t mb[5];
5918
5919         if (fcport->port_type != FCT_TARGET ||
5920             fcport->loop_id == FC_NO_LOOP_ID)
5921                 return QLA_FUNCTION_FAILED;
5922
5923         priority = qla24xx_get_fcp_prio(vha, fcport);
5924         if (priority < 0)
5925                 return QLA_FUNCTION_FAILED;
5926
5927         if (IS_QLA82XX(vha->hw)) {
5928                 fcport->fcp_prio = priority & 0xf;
5929                 return QLA_SUCCESS;
5930         }
5931
5932         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
5933         if (ret == QLA_SUCCESS) {
5934                 if (fcport->fcp_prio != priority)
5935                         ql_dbg(ql_dbg_user, vha, 0x709e,
5936                             "Updated FCP_CMND priority - value=%d loop_id=%d "
5937                             "port_id=%02x%02x%02x.\n", priority,
5938                             fcport->loop_id, fcport->d_id.b.domain,
5939                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
5940                 fcport->fcp_prio = priority & 0xf;
5941         } else
5942                 ql_dbg(ql_dbg_user, vha, 0x704f,
5943                     "Unable to update FCP_CMND priority - ret=0x%x for "
5944                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
5945                     fcport->d_id.b.domain, fcport->d_id.b.area,
5946                     fcport->d_id.b.al_pa);
5947         return  ret;
5948 }
5949
5950 /*
5951  * qla24xx_update_all_fcp_prio
5952  *      Activates fcp priority for all the logged in ports
5953  *
5954  * Input:
5955  *      ha = adapter block pointer.
5956  *
5957  * Return:
5958  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5959  *
5960  * Context:
5961  *      Kernel context.
5962  */
5963 int
5964 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5965 {
5966         int ret;
5967         fc_port_t *fcport;
5968
5969         ret = QLA_FUNCTION_FAILED;
5970         /* We need to set priority for all logged in ports */
5971         list_for_each_entry(fcport, &vha->vp_fcports, list)
5972                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5973
5974         return ret;
5975 }