drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2012 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #include "qla_gbl.h"
   9
  10 #include <linux/delay.h>
  11 #include <linux/slab.h>
  12 #include <linux/vmalloc.h>
  13
  14 #include "qla_devtbl.h"
  15
  16 #ifdef CONFIG_SPARC
  17 #include <asm/prom.h>
  18 #endif
  19
  20 #include <target/target_core_base.h>
  21 #include "qla_target.h"
  22
  23 /*
  24 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  25 */
  26 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  27 static int qla2x00_setup_chip(scsi_qla_host_t *);
  28 static int qla2x00_init_rings(scsi_qla_host_t *);
  29 static int qla2x00_fw_ready(scsi_qla_host_t *);
  30 static int qla2x00_configure_hba(scsi_qla_host_t *);
  31 static int qla2x00_configure_loop(scsi_qla_host_t *);
  32 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  33 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  34 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
  35 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
  36     uint16_t *);
  37
  38 static int qla2x00_restart_isp(scsi_qla_host_t *);
  39
  40 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  41 static int qla84xx_init_chip(scsi_qla_host_t *);
  42 static int qla25xx_init_queues(struct qla_hw_data *);
  43
  44 /* SRB Extensions ---------------------------------------------------------- */
  45
  46 void
  47 qla2x00_sp_timeout(unsigned long __data)
  48 {
  49         srb_t *sp = (srb_t *)__data;
  50         struct srb_iocb *iocb;
  51         fc_port_t *fcport = sp->fcport;
  52         struct qla_hw_data *ha = fcport->vha->hw;
  53         struct req_que *req;
  54         unsigned long flags;
  55
  56         spin_lock_irqsave(&ha->hardware_lock, flags);
  57         req = ha->req_q_map[0];
  58         req->outstanding_cmds[sp->handle] = NULL;
  59         iocb = &sp->u.iocb_cmd;
  60         iocb->timeout(sp);
  61         sp->free(fcport->vha, sp);
  62         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  63 }
  64
  65 void
  66 qla2x00_sp_free(void *data, void *ptr)
  67 {
  68         srb_t *sp = (srb_t *)ptr;
  69         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  70         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
  71
  72         del_timer(&iocb->timer);
  73         mempool_free(sp, vha->hw->srb_mempool);
  74
  75         QLA_VHA_MARK_NOT_BUSY(vha);
  76 }
  77
  78 /* Asynchronous Login/Logout Routines -------------------------------------- */
  79
  80 unsigned long
  81 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
  82 {
  83         unsigned long tmo;
  84         struct qla_hw_data *ha = vha->hw;
  85
  86         /* Firmware should use switch negotiated r_a_tov for timeout. */
  87         tmo = ha->r_a_tov / 10 * 2;
  88         if (!IS_FWI2_CAPABLE(ha)) {
  89                 /*
  90                  * Except for earlier ISPs where the timeout is seeded from the
  91                  * initialization control block.
  92                  */
  93                 tmo = ha->login_timeout;
  94         }
  95         return tmo;
  96 }
  97
  98 static void
  99 qla2x00_async_iocb_timeout(void *data)
 100 {
 101         srb_t *sp = (srb_t *)data;
 102         fc_port_t *fcport = sp->fcport;
 103
 104         ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 105             "Async-%s timeout - hdl=%x portid=%02x%02x%02x.\n",
 106             sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
 107             fcport->d_id.b.al_pa);
 108
 109         fcport->flags &= ~FCF_ASYNC_SENT;
 110         if (sp->type == SRB_LOGIN_CMD) {
 111                 struct srb_iocb *lio = &sp->u.iocb_cmd;
 112                 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 113                 /* Retry as needed. */
 114                 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 115                 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 116                         QLA_LOGIO_LOGIN_RETRIED : 0;
 117                 qla2x00_post_async_login_done_work(fcport->vha, fcport,
 118                         lio->u.logio.data);
 119         }
 120 }
 121
 122 static void
 123 qla2x00_async_login_sp_done(void *data, void *ptr, int res)
 124 {
 125         srb_t *sp = (srb_t *)ptr;
 126         struct srb_iocb *lio = &sp->u.iocb_cmd;
 127         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 128
 129         if (!test_bit(UNLOADING, &vha->dpc_flags))
 130                 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
 131                     lio->u.logio.data);
 132         sp->free(sp->fcport->vha, sp);
 133 }
 134
 135 int
 136 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 137     uint16_t *data)
 138 {
 139         srb_t *sp;
 140         struct srb_iocb *lio;
 141         int rval;
 142
 143         rval = QLA_FUNCTION_FAILED;
 144         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 145         if (!sp)
 146                 goto done;
 147
 148         sp->type = SRB_LOGIN_CMD;
 149         sp->name = "login";
 150         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 151
 152         lio = &sp->u.iocb_cmd;
 153         lio->timeout = qla2x00_async_iocb_timeout;
 154         sp->done = qla2x00_async_login_sp_done;
 155         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 156         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 157                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 158         rval = qla2x00_start_sp(sp);
 159         if (rval != QLA_SUCCESS)
 160                 goto done_free_sp;
 161
 162         ql_dbg(ql_dbg_disc, vha, 0x2072,
 163             "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
 164             "retries=%d.\n", sp->handle, fcport->loop_id,
 165             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 166             fcport->login_retry);
 167         return rval;
 168
 169 done_free_sp:
 170         sp->free(fcport->vha, sp);
 171 done:
 172         return rval;
 173 }
 174
 175 static void
 176 qla2x00_async_logout_sp_done(void *data, void *ptr, int res)
 177 {
 178         srb_t *sp = (srb_t *)ptr;
 179         struct srb_iocb *lio = &sp->u.iocb_cmd;
 180         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 181
 182         if (!test_bit(UNLOADING, &vha->dpc_flags))
 183                 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
 184                     lio->u.logio.data);
 185         sp->free(sp->fcport->vha, sp);
 186 }
 187
 188 int
 189 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 190 {
 191         srb_t *sp;
 192         struct srb_iocb *lio;
 193         int rval;
 194
 195         rval = QLA_FUNCTION_FAILED;
 196         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 197         if (!sp)
 198                 goto done;
 199
 200         sp->type = SRB_LOGOUT_CMD;
 201         sp->name = "logout";
 202         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 203
 204         lio = &sp->u.iocb_cmd;
 205         lio->timeout = qla2x00_async_iocb_timeout;
 206         sp->done = qla2x00_async_logout_sp_done;
 207         rval = qla2x00_start_sp(sp);
 208         if (rval != QLA_SUCCESS)
 209                 goto done_free_sp;
 210
 211         ql_dbg(ql_dbg_disc, vha, 0x2070,
 212             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 213             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 214             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 215         return rval;
 216
 217 done_free_sp:
 218         sp->free(fcport->vha, sp);
 219 done:
 220         return rval;
 221 }
 222
 223 static void
 224 qla2x00_async_adisc_sp_done(void *data, void *ptr, int res)
 225 {
 226         srb_t *sp = (srb_t *)ptr;
 227         struct srb_iocb *lio = &sp->u.iocb_cmd;
 228         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 229
 230         if (!test_bit(UNLOADING, &vha->dpc_flags))
 231                 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
 232                     lio->u.logio.data);
 233         sp->free(sp->fcport->vha, sp);
 234 }
 235
 236 int
 237 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 238     uint16_t *data)
 239 {
 240         srb_t *sp;
 241         struct srb_iocb *lio;
 242         int rval;
 243
 244         rval = QLA_FUNCTION_FAILED;
 245         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 246         if (!sp)
 247                 goto done;
 248
 249         sp->type = SRB_ADISC_CMD;
 250         sp->name = "adisc";
 251         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 252
 253         lio = &sp->u.iocb_cmd;
 254         lio->timeout = qla2x00_async_iocb_timeout;
 255         sp->done = qla2x00_async_adisc_sp_done;
 256         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 257                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 258         rval = qla2x00_start_sp(sp);
 259         if (rval != QLA_SUCCESS)
 260                 goto done_free_sp;
 261
 262         ql_dbg(ql_dbg_disc, vha, 0x206f,
 263             "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
 264             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 265             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 266         return rval;
 267
 268 done_free_sp:
 269         sp->free(fcport->vha, sp);
 270 done:
 271         return rval;
 272 }
 273
 274 static void
 275 qla2x00_async_tm_cmd_done(void *data, void *ptr, int res)
 276 {
 277         srb_t *sp = (srb_t *)ptr;
 278         struct srb_iocb *iocb = &sp->u.iocb_cmd;
 279         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 280         uint32_t flags;
 281         uint16_t lun;
 282         int rval;
 283
 284         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 285                 flags = iocb->u.tmf.flags;
 286                 lun = (uint16_t)iocb->u.tmf.lun;
 287
 288                 /* Issue Marker IOCB */
 289                 rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
 290                         vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
 291                         flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
 292
 293                 if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
 294                         ql_dbg(ql_dbg_taskm, vha, 0x8030,
 295                             "TM IOCB failed (%x).\n", rval);
 296                 }
 297         }
 298         sp->free(sp->fcport->vha, sp);
 299 }
 300
 301 int
 302 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t tm_flags, uint32_t lun,
 303         uint32_t tag)
 304 {
 305         struct scsi_qla_host *vha = fcport->vha;
 306         srb_t *sp;
 307         struct srb_iocb *tcf;
 308         int rval;
 309
 310         rval = QLA_FUNCTION_FAILED;
 311         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 312         if (!sp)
 313                 goto done;
 314
 315         sp->type = SRB_TM_CMD;
 316         sp->name = "tmf";
 317         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 318
 319         tcf = &sp->u.iocb_cmd;
 320         tcf->u.tmf.flags = tm_flags;
 321         tcf->u.tmf.lun = lun;
 322         tcf->u.tmf.data = tag;
 323         tcf->timeout = qla2x00_async_iocb_timeout;
 324         sp->done = qla2x00_async_tm_cmd_done;
 325
 326         rval = qla2x00_start_sp(sp);
 327         if (rval != QLA_SUCCESS)
 328                 goto done_free_sp;
 329
 330         ql_dbg(ql_dbg_taskm, vha, 0x802f,
 331             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 332             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 333             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 334         return rval;
 335
 336 done_free_sp:
 337         sp->free(fcport->vha, sp);
 338 done:
 339         return rval;
 340 }
 341
 342 void
 343 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 344     uint16_t *data)
 345 {
 346         int rval;
 347
 348         switch (data[0]) {
 349         case MBS_COMMAND_COMPLETE:
 350                 /*
 351                  * Driver must validate login state - If PRLI not complete,
 352                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
 353                  * requests.
 354                  */
 355                 rval = qla2x00_get_port_database(vha, fcport, 0);
 356                 if (rval == QLA_NOT_LOGGED_IN) {
 357                         fcport->flags &= ~FCF_ASYNC_SENT;
 358                         fcport->flags |= FCF_LOGIN_NEEDED;
 359                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 360                         break;
 361                 }
 362
 363                 if (rval != QLA_SUCCESS) {
 364                         qla2x00_post_async_logout_work(vha, fcport, NULL);
 365                         qla2x00_post_async_login_work(vha, fcport, NULL);
 366                         break;
 367                 }
 368                 if (fcport->flags & FCF_FCP2_DEVICE) {
 369                         qla2x00_post_async_adisc_work(vha, fcport, data);
 370                         break;
 371                 }
 372                 qla2x00_update_fcport(vha, fcport);
 373                 break;
 374         case MBS_COMMAND_ERROR:
 375                 fcport->flags &= ~FCF_ASYNC_SENT;
 376                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 377                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 378                 else
 379                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 380                 break;
 381         case MBS_PORT_ID_USED:
 382                 fcport->loop_id = data[1];
 383                 qla2x00_post_async_logout_work(vha, fcport, NULL);
 384                 qla2x00_post_async_login_work(vha, fcport, NULL);
 385                 break;
 386         case MBS_LOOP_ID_USED:
 387                 fcport->loop_id++;
 388                 rval = qla2x00_find_new_loop_id(vha, fcport);
 389                 if (rval != QLA_SUCCESS) {
 390                         fcport->flags &= ~FCF_ASYNC_SENT;
 391                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 392                         break;
 393                 }
 394                 qla2x00_post_async_login_work(vha, fcport, NULL);
 395                 break;
 396         }
 397         return;
 398 }
 399
 400 void
 401 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 402     uint16_t *data)
 403 {
 404         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 405         return;
 406 }
 407
 408 void
 409 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 410     uint16_t *data)
 411 {
 412         if (data[0] == MBS_COMMAND_COMPLETE) {
 413                 qla2x00_update_fcport(vha, fcport);
 414
 415                 return;
 416         }
 417
 418         /* Retry login. */
 419         fcport->flags &= ~FCF_ASYNC_SENT;
 420         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 421                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 422         else
 423                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 424
 425         return;
 426 }
 427
 428 /****************************************************************************/
 429 /*                QLogic ISP2x00 Hardware Support Functions.                */
 430 /****************************************************************************/
 431
 432 static int
 433 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
 434 {
 435         int rval = QLA_SUCCESS;
 436         struct qla_hw_data *ha = vha->hw;
 437         uint32_t idc_major_ver, idc_minor_ver;
 438         uint16_t config[4];
 439
 440         qla83xx_idc_lock(vha, 0);
 441
 442         /* SV: TODO: Assign initialization timeout from
 443          * flash-info / other param
 444          */
 445         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
 446         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
 447
 448         /* Set our fcoe function presence */
 449         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
 450                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
 451                     "Error while setting DRV-Presence.\n");
 452                 rval = QLA_FUNCTION_FAILED;
 453                 goto exit;
 454         }
 455
 456         /* Decide the reset ownership */
 457         qla83xx_reset_ownership(vha);
 458
 459         /*
 460          * On first protocol driver load:
 461          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
 462          * register.
 463          * Others: Check compatibility with current IDC Major version.
 464          */
 465         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
 466         if (ha->flags.nic_core_reset_owner) {
 467                 /* Set IDC Major version */
 468                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
 469                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
 470
 471                 /* Clearing IDC-Lock-Recovery register */
 472                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
 473         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
 474                 /*
 475                  * Clear further IDC participation if we are not compatible with
 476                  * the current IDC Major Version.
 477                  */
 478                 ql_log(ql_log_warn, vha, 0xb07d,
 479                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
 480                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
 481                 __qla83xx_clear_drv_presence(vha);
 482                 rval = QLA_FUNCTION_FAILED;
 483                 goto exit;
 484         }
 485         /* Each function sets its supported Minor version. */
 486         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
 487         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
 488         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
 489
 490         if (ha->flags.nic_core_reset_owner) {
 491                 memset(config, 0, sizeof(config));
 492                 if (!qla81xx_get_port_config(vha, config))
 493                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 494                             QLA8XXX_DEV_READY);
 495         }
 496
 497         rval = qla83xx_idc_state_handler(vha);
 498
 499 exit:
 500         qla83xx_idc_unlock(vha, 0);
 501
 502         return rval;
 503 }
 504
 505 /*
 506 * qla2x00_initialize_adapter
 507 *      Initialize board.
 508 *
 509 * Input:
 510 *      ha = adapter block pointer.
 511 *
 512 * Returns:
 513 *      0 = success
 514 */
 515 int
 516 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 517 {
 518         int     rval;
 519         struct qla_hw_data *ha = vha->hw;
 520         struct req_que *req = ha->req_q_map[0];
 521
 522         /* Clear adapter flags. */
 523         vha->flags.online = 0;
 524         ha->flags.chip_reset_done = 0;
 525         vha->flags.reset_active = 0;
 526         ha->flags.pci_channel_io_perm_failure = 0;
 527         ha->flags.eeh_busy = 0;
 528         ha->flags.thermal_supported = 1;
 529         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 530         atomic_set(&vha->loop_state, LOOP_DOWN);
 531         vha->device_flags = DFLG_NO_CABLE;
 532         vha->dpc_flags = 0;
 533         vha->flags.management_server_logged_in = 0;
 534         vha->marker_needed = 0;
 535         ha->isp_abort_cnt = 0;
 536         ha->beacon_blink_led = 0;
 537
 538         set_bit(0, ha->req_qid_map);
 539         set_bit(0, ha->rsp_qid_map);
 540
 541         ql_dbg(ql_dbg_init, vha, 0x0040,
 542             "Configuring PCI space...\n");
 543         rval = ha->isp_ops->pci_config(vha);
 544         if (rval) {
 545                 ql_log(ql_log_warn, vha, 0x0044,
 546                     "Unable to configure PCI space.\n");
 547                 return (rval);
 548         }
 549
 550         ha->isp_ops->reset_chip(vha);
 551
 552         rval = qla2xxx_get_flash_info(vha);
 553         if (rval) {
 554                 ql_log(ql_log_fatal, vha, 0x004f,
 555                     "Unable to validate FLASH data.\n");
 556                 return (rval);
 557         }
 558
 559         ha->isp_ops->get_flash_version(vha, req->ring);
 560         ql_dbg(ql_dbg_init, vha, 0x0061,
 561             "Configure NVRAM parameters...\n");
 562
 563         ha->isp_ops->nvram_config(vha);
 564
 565         if (ha->flags.disable_serdes) {
 566                 /* Mask HBA via NVRAM settings? */
 567                 ql_log(ql_log_info, vha, 0x0077,
 568                     "Masking HBA WWPN "
 569                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 570                     vha->port_name[0], vha->port_name[1],
 571                     vha->port_name[2], vha->port_name[3],
 572                     vha->port_name[4], vha->port_name[5],
 573                     vha->port_name[6], vha->port_name[7]);
 574                 return QLA_FUNCTION_FAILED;
 575         }
 576
 577         ql_dbg(ql_dbg_init, vha, 0x0078,
 578             "Verifying loaded RISC code...\n");
 579
 580         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 581                 rval = ha->isp_ops->chip_diag(vha);
 582                 if (rval)
 583                         return (rval);
 584                 rval = qla2x00_setup_chip(vha);
 585                 if (rval)
 586                         return (rval);
 587         }
 588
 589         if (IS_QLA84XX(ha)) {
 590                 ha->cs84xx = qla84xx_get_chip(vha);
 591                 if (!ha->cs84xx) {
 592                         ql_log(ql_log_warn, vha, 0x00d0,
 593                             "Unable to configure ISP84XX.\n");
 594                         return QLA_FUNCTION_FAILED;
 595                 }
 596         }
 597
 598         if (qla_ini_mode_enabled(vha))
 599                 rval = qla2x00_init_rings(vha);
 600
 601         ha->flags.chip_reset_done = 1;
 602
 603         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 604                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 605                 rval = qla84xx_init_chip(vha);
 606                 if (rval != QLA_SUCCESS) {
 607                         ql_log(ql_log_warn, vha, 0x00d4,
 608                             "Unable to initialize ISP84XX.\n");
 609                 qla84xx_put_chip(vha);
 610                 }
 611         }
 612
 613         /* Load the NIC Core f/w if we are the first protocol driver. */
 614         if (IS_QLA8031(ha)) {
 615                 rval = qla83xx_nic_core_fw_load(vha);
 616                 if (rval)
 617                         ql_log(ql_log_warn, vha, 0x0124,
 618                             "Error in initializing NIC Core f/w.\n");
 619         }
 620
 621         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 622                 qla24xx_read_fcp_prio_cfg(vha);
 623
 624         return (rval);
 625 }
 626
 627 /**
 628  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 629  * @ha: HA context
 630  *
 631  * Returns 0 on success.
 632  */
 633 int
 634 qla2100_pci_config(scsi_qla_host_t *vha)
 635 {
 636         uint16_t w;
 637         unsigned long flags;
 638         struct qla_hw_data *ha = vha->hw;
 639         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 640
 641         pci_set_master(ha->pdev);
 642         pci_try_set_mwi(ha->pdev);
 643
 644         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 645         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 646         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 647
 648         pci_disable_rom(ha->pdev);
 649
 650         /* Get PCI bus information. */
 651         spin_lock_irqsave(&ha->hardware_lock, flags);
 652         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 653         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 654
 655         return QLA_SUCCESS;
 656 }
 657
 658 /**
 659  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 660  * @ha: HA context
 661  *
 662  * Returns 0 on success.
 663  */
 664 int
 665 qla2300_pci_config(scsi_qla_host_t *vha)
 666 {
 667         uint16_t        w;
 668         unsigned long   flags = 0;
 669         uint32_t        cnt;
 670         struct qla_hw_data *ha = vha->hw;
 671         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 672
 673         pci_set_master(ha->pdev);
 674         pci_try_set_mwi(ha->pdev);
 675
 676         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 677         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 678
 679         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 680                 w &= ~PCI_COMMAND_INTX_DISABLE;
 681         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 682
 683         /*
 684          * If this is a 2300 card and not 2312, reset the
 685          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 686          * the 2310 also reports itself as a 2300 so we need to get the
 687          * fb revision level -- a 6 indicates it really is a 2300 and
 688          * not a 2310.
 689          */
 690         if (IS_QLA2300(ha)) {
 691                 spin_lock_irqsave(&ha->hardware_lock, flags);
 692
 693                 /* Pause RISC. */
 694                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 695                 for (cnt = 0; cnt < 30000; cnt++) {
 696                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 697                                 break;
 698
 699                         udelay(10);
 700                 }
 701
 702                 /* Select FPM registers. */
 703                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 704                 RD_REG_WORD(&reg->ctrl_status);
 705
 706                 /* Get the fb rev level */
 707                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 708
 709                 if (ha->fb_rev == FPM_2300)
 710                         pci_clear_mwi(ha->pdev);
 711
 712                 /* Deselect FPM registers. */
 713                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 714                 RD_REG_WORD(&reg->ctrl_status);
 715
 716                 /* Release RISC module. */
 717                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 718                 for (cnt = 0; cnt < 30000; cnt++) {
 719                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 720                                 break;
 721
 722                         udelay(10);
 723                 }
 724
 725                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 726         }
 727
 728         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 729
 730         pci_disable_rom(ha->pdev);
 731
 732         /* Get PCI bus information. */
 733         spin_lock_irqsave(&ha->hardware_lock, flags);
 734         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 735         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 736
 737         return QLA_SUCCESS;
 738 }
 739
 740 /**
 741  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 742  * @ha: HA context
 743  *
 744  * Returns 0 on success.
 745  */
 746 int
 747 qla24xx_pci_config(scsi_qla_host_t *vha)
 748 {
 749         uint16_t w;
 750         unsigned long flags = 0;
 751         struct qla_hw_data *ha = vha->hw;
 752         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 753
 754         pci_set_master(ha->pdev);
 755         pci_try_set_mwi(ha->pdev);
 756
 757         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 758         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 759         w &= ~PCI_COMMAND_INTX_DISABLE;
 760         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 761
 762         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 763
 764         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 765         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 766                 pcix_set_mmrbc(ha->pdev, 2048);
 767
 768         /* PCIe -- adjust Maximum Read Request Size (2048). */
 769         if (pci_is_pcie(ha->pdev))
 770                 pcie_set_readrq(ha->pdev, 4096);
 771
 772         pci_disable_rom(ha->pdev);
 773
 774         ha->chip_revision = ha->pdev->revision;
 775
 776         /* Get PCI bus information. */
 777         spin_lock_irqsave(&ha->hardware_lock, flags);
 778         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 779         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 780
 781         return QLA_SUCCESS;
 782 }
 783
 784 /**
 785  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 786  * @ha: HA context
 787  *
 788  * Returns 0 on success.
 789  */
 790 int
 791 qla25xx_pci_config(scsi_qla_host_t *vha)
 792 {
 793         uint16_t w;
 794         struct qla_hw_data *ha = vha->hw;
 795
 796         pci_set_master(ha->pdev);
 797         pci_try_set_mwi(ha->pdev);
 798
 799         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 800         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 801         w &= ~PCI_COMMAND_INTX_DISABLE;
 802         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 803
 804         /* PCIe -- adjust Maximum Read Request Size (2048). */
 805         if (pci_is_pcie(ha->pdev))
 806                 pcie_set_readrq(ha->pdev, 4096);
 807
 808         pci_disable_rom(ha->pdev);
 809
 810         ha->chip_revision = ha->pdev->revision;
 811
 812         return QLA_SUCCESS;
 813 }
 814
 815 /**
 816  * qla2x00_isp_firmware() - Choose firmware image.
 817  * @ha: HA context
 818  *
 819  * Returns 0 on success.
 820  */
 821 static int
 822 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 823 {
 824         int  rval;
 825         uint16_t loop_id, topo, sw_cap;
 826         uint8_t domain, area, al_pa;
 827         struct qla_hw_data *ha = vha->hw;
 828
 829         /* Assume loading risc code */
 830         rval = QLA_FUNCTION_FAILED;
 831
 832         if (ha->flags.disable_risc_code_load) {
 833                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
 834
 835                 /* Verify checksum of loaded RISC code. */
 836                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 837                 if (rval == QLA_SUCCESS) {
 838                         /* And, verify we are not in ROM code. */
 839                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 840                             &area, &domain, &topo, &sw_cap);
 841                 }
 842         }
 843
 844         if (rval)
 845                 ql_dbg(ql_dbg_init, vha, 0x007a,
 846                     "**** Load RISC code ****.\n");
 847
 848         return (rval);
 849 }
 850
 851 /**
 852  * qla2x00_reset_chip() - Reset ISP chip.
 853  * @ha: HA context
 854  *
 855  * Returns 0 on success.
 856  */
 857 void
 858 qla2x00_reset_chip(scsi_qla_host_t *vha)
 859 {
 860         unsigned long   flags = 0;
 861         struct qla_hw_data *ha = vha->hw;
 862         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 863         uint32_t        cnt;
 864         uint16_t        cmd;
 865
 866         if (unlikely(pci_channel_offline(ha->pdev)))
 867                 return;
 868
 869         ha->isp_ops->disable_intrs(ha);
 870
 871         spin_lock_irqsave(&ha->hardware_lock, flags);
 872
 873         /* Turn off master enable */
 874         cmd = 0;
 875         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 876         cmd &= ~PCI_COMMAND_MASTER;
 877         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 878
 879         if (!IS_QLA2100(ha)) {
 880                 /* Pause RISC. */
 881                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 882                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 883                         for (cnt = 0; cnt < 30000; cnt++) {
 884                                 if ((RD_REG_WORD(&reg->hccr) &
 885                                     HCCR_RISC_PAUSE) != 0)
 886                                         break;
 887                                 udelay(100);
 888                         }
 889                 } else {
 890                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 891                         udelay(10);
 892                 }
 893
 894                 /* Select FPM registers. */
 895                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 896                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 897
 898                 /* FPM Soft Reset. */
 899                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 900                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 901
 902                 /* Toggle Fpm Reset. */
 903                 if (!IS_QLA2200(ha)) {
 904                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 905                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 906                 }
 907
 908                 /* Select frame buffer registers. */
 909                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 910                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 911
 912                 /* Reset frame buffer FIFOs. */
 913                 if (IS_QLA2200(ha)) {
 914                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 915                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 916                 } else {
 917                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 918
 919                         /* Read back fb_cmd until zero or 3 seconds max */
 920                         for (cnt = 0; cnt < 3000; cnt++) {
 921                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 922                                         break;
 923                                 udelay(100);
 924                         }
 925                 }
 926
 927                 /* Select RISC module registers. */
 928                 WRT_REG_WORD(&reg->ctrl_status, 0);
 929                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 930
 931                 /* Reset RISC processor. */
 932                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 933                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 934
 935                 /* Release RISC processor. */
 936                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 937                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 938         }
 939
 940         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 941         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 942
 943         /* Reset ISP chip. */
 944         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 945
 946         /* Wait for RISC to recover from reset. */
 947         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 948                 /*
 949                  * It is necessary to for a delay here since the card doesn't
 950                  * respond to PCI reads during a reset. On some architectures
 951                  * this will result in an MCA.
 952                  */
 953                 udelay(20);
 954                 for (cnt = 30000; cnt; cnt--) {
 955                         if ((RD_REG_WORD(&reg->ctrl_status) &
 956                             CSR_ISP_SOFT_RESET) == 0)
 957                                 break;
 958                         udelay(100);
 959                 }
 960         } else
 961                 udelay(10);
 962
 963         /* Reset RISC processor. */
 964         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 965
 966         WRT_REG_WORD(&reg->semaphore, 0);
 967
 968         /* Release RISC processor. */
 969         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 970         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 971
 972         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 973                 for (cnt = 0; cnt < 30000; cnt++) {
 974                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 975                                 break;
 976
 977                         udelay(100);
 978                 }
 979         } else
 980                 udelay(100);
 981
 982         /* Turn on master enable */
 983         cmd |= PCI_COMMAND_MASTER;
 984         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 985
 986         /* Disable RISC pause on FPM parity error. */
 987         if (!IS_QLA2100(ha)) {
 988                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 989                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 990         }
 991
 992         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 993 }
 994
 995 /**
 996  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
 997  *
 998  * Returns 0 on success.
 999  */
1000 static int
1001 qla81xx_reset_mpi(scsi_qla_host_t *vha)
1002 {
1003         uint16_t mb[4] = {0x1010, 0, 1, 0};
1004
1005         if (!IS_QLA81XX(vha->hw))
1006                 return QLA_SUCCESS;
1007
1008         return qla81xx_write_mpi_register(vha, mb);
1009 }
1010
1011 /**
1012  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
1013  * @ha: HA context
1014  *
1015  * Returns 0 on success.
1016  */
1017 static inline void
1018 qla24xx_reset_risc(scsi_qla_host_t *vha)
1019 {
1020         unsigned long flags = 0;
1021         struct qla_hw_data *ha = vha->hw;
1022         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1023         uint32_t cnt, d2;
1024         uint16_t wd;
1025         static int abts_cnt; /* ISP abort retry counts */
1026
1027         spin_lock_irqsave(&ha->hardware_lock, flags);
1028
1029         /* Reset RISC. */
1030         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1031         for (cnt = 0; cnt < 30000; cnt++) {
1032                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1033                         break;
1034
1035                 udelay(10);
1036         }
1037
1038         WRT_REG_DWORD(&reg->ctrl_status,
1039             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1040         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1041
1042         udelay(100);
1043         /* Wait for firmware to complete NVRAM accesses. */
1044         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1045         for (cnt = 10000 ; cnt && d2; cnt--) {
1046                 udelay(5);
1047                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1048                 barrier();
1049         }
1050
1051         /* Wait for soft-reset to complete. */
1052         d2 = RD_REG_DWORD(&reg->ctrl_status);
1053         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1054                 udelay(5);
1055                 d2 = RD_REG_DWORD(&reg->ctrl_status);
1056                 barrier();
1057         }
1058
1059         /* If required, do an MPI FW reset now */
1060         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1061                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1062                         if (++abts_cnt < 5) {
1063                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1064                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1065                         } else {
1066                                 /*
1067                                  * We exhausted the ISP abort retries. We have to
1068                                  * set the board offline.
1069                                  */
1070                                 abts_cnt = 0;
1071                                 vha->flags.online = 0;
1072                         }
1073                 }
1074         }
1075
1076         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1077         RD_REG_DWORD(&reg->hccr);
1078
1079         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1080         RD_REG_DWORD(&reg->hccr);
1081
1082         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1083         RD_REG_DWORD(&reg->hccr);
1084
1085         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1086         for (cnt = 6000000 ; cnt && d2; cnt--) {
1087                 udelay(5);
1088                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1089                 barrier();
1090         }
1091
1092         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1093
1094         if (IS_NOPOLLING_TYPE(ha))
1095                 ha->isp_ops->enable_intrs(ha);
1096 }
1097
1098 static void
1099 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
1100 {
1101         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1102
1103         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1104         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
1105
1106 }
1107
1108 static void
1109 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
1110 {
1111         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1112
1113         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1114         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
1115 }
1116
1117 static void
1118 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
1119 {
1120         struct qla_hw_data *ha = vha->hw;
1121         uint32_t wd32 = 0;
1122         uint delta_msec = 100;
1123         uint elapsed_msec = 0;
1124         uint timeout_msec;
1125         ulong n;
1126
1127         if (!IS_QLA25XX(ha) && !IS_QLA2031(ha))
1128                 return;
1129
1130 attempt:
1131         timeout_msec = TIMEOUT_SEMAPHORE;
1132         n = timeout_msec / delta_msec;
1133         while (n--) {
1134                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
1135                 qla25xx_read_risc_sema_reg(vha, &wd32);
1136                 if (wd32 & RISC_SEMAPHORE)
1137                         break;
1138                 msleep(delta_msec);
1139                 elapsed_msec += delta_msec;
1140                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1141                         goto force;
1142         }
1143
1144         if (!(wd32 & RISC_SEMAPHORE))
1145                 goto force;
1146
1147         if (!(wd32 & RISC_SEMAPHORE_FORCE))
1148                 goto acquired;
1149
1150         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
1151         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
1152         n = timeout_msec / delta_msec;
1153         while (n--) {
1154                 qla25xx_read_risc_sema_reg(vha, &wd32);
1155                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
1156                         break;
1157                 msleep(delta_msec);
1158                 elapsed_msec += delta_msec;
1159                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1160                         goto force;
1161         }
1162
1163         if (wd32 & RISC_SEMAPHORE_FORCE)
1164                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
1165
1166         goto attempt;
1167
1168 force:
1169         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
1170
1171 acquired:
1172         return;
1173 }
1174
1175 /**
1176  * qla24xx_reset_chip() - Reset ISP24xx chip.
1177  * @ha: HA context
1178  *
1179  * Returns 0 on success.
1180  */
1181 void
1182 qla24xx_reset_chip(scsi_qla_host_t *vha)
1183 {
1184         struct qla_hw_data *ha = vha->hw;
1185
1186         if (pci_channel_offline(ha->pdev) &&
1187             ha->flags.pci_channel_io_perm_failure) {
1188                 return;
1189         }
1190
1191         ha->isp_ops->disable_intrs(ha);
1192
1193         qla25xx_manipulate_risc_semaphore(vha);
1194
1195         /* Perform RISC reset. */
1196         qla24xx_reset_risc(vha);
1197 }
1198
1199 /**
1200  * qla2x00_chip_diag() - Test chip for proper operation.
1201  * @ha: HA context
1202  *
1203  * Returns 0 on success.
1204  */
1205 int
1206 qla2x00_chip_diag(scsi_qla_host_t *vha)
1207 {
1208         int             rval;
1209         struct qla_hw_data *ha = vha->hw;
1210         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1211         unsigned long   flags = 0;
1212         uint16_t        data;
1213         uint32_t        cnt;
1214         uint16_t        mb[5];
1215         struct req_que *req = ha->req_q_map[0];
1216
1217         /* Assume a failed state */
1218         rval = QLA_FUNCTION_FAILED;
1219
1220         ql_dbg(ql_dbg_init, vha, 0x007b,
1221             "Testing device at %lx.\n", (u_long)&reg->flash_address);
1222
1223         spin_lock_irqsave(&ha->hardware_lock, flags);
1224
1225         /* Reset ISP chip. */
1226         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1227
1228         /*
1229          * We need to have a delay here since the card will not respond while
1230          * in reset causing an MCA on some architectures.
1231          */
1232         udelay(20);
1233         data = qla2x00_debounce_register(&reg->ctrl_status);
1234         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1235                 udelay(5);
1236                 data = RD_REG_WORD(&reg->ctrl_status);
1237                 barrier();
1238         }
1239
1240         if (!cnt)
1241                 goto chip_diag_failed;
1242
1243         ql_dbg(ql_dbg_init, vha, 0x007c,
1244             "Reset register cleared by chip reset.\n");
1245
1246         /* Reset RISC processor. */
1247         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1248         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1249
1250         /* Workaround for QLA2312 PCI parity error */
1251         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1252                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1253                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1254                         udelay(5);
1255                         data = RD_MAILBOX_REG(ha, reg, 0);
1256                         barrier();
1257                 }
1258         } else
1259                 udelay(10);
1260
1261         if (!cnt)
1262                 goto chip_diag_failed;
1263
1264         /* Check product ID of chip */
1265         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1266
1267         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1268         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1269         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1270         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1271         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1272             mb[3] != PROD_ID_3) {
1273                 ql_log(ql_log_warn, vha, 0x0062,
1274                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1275                     mb[1], mb[2], mb[3]);
1276
1277                 goto chip_diag_failed;
1278         }
1279         ha->product_id[0] = mb[1];
1280         ha->product_id[1] = mb[2];
1281         ha->product_id[2] = mb[3];
1282         ha->product_id[3] = mb[4];
1283
1284         /* Adjust fw RISC transfer size */
1285         if (req->length > 1024)
1286                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1287         else
1288                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1289                     req->length;
1290
1291         if (IS_QLA2200(ha) &&
1292             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1293                 /* Limit firmware transfer size with a 2200A */
1294                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1295
1296                 ha->device_type |= DT_ISP2200A;
1297                 ha->fw_transfer_size = 128;
1298         }
1299
1300         /* Wrap Incoming Mailboxes Test. */
1301         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1302
1303         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1304         rval = qla2x00_mbx_reg_test(vha);
1305         if (rval)
1306                 ql_log(ql_log_warn, vha, 0x0080,
1307                     "Failed mailbox send register test.\n");
1308         else
1309                 /* Flag a successful rval */
1310                 rval = QLA_SUCCESS;
1311         spin_lock_irqsave(&ha->hardware_lock, flags);
1312
1313 chip_diag_failed:
1314         if (rval)
1315                 ql_log(ql_log_info, vha, 0x0081,
1316                     "Chip diagnostics **** FAILED ****.\n");
1317
1318         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1319
1320         return (rval);
1321 }
1322
1323 /**
1324  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1325  * @ha: HA context
1326  *
1327  * Returns 0 on success.
1328  */
1329 int
1330 qla24xx_chip_diag(scsi_qla_host_t *vha)
1331 {
1332         int rval;
1333         struct qla_hw_data *ha = vha->hw;
1334         struct req_que *req = ha->req_q_map[0];
1335
1336         if (IS_QLA82XX(ha))
1337                 return QLA_SUCCESS;
1338
1339         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1340
1341         rval = qla2x00_mbx_reg_test(vha);
1342         if (rval) {
1343                 ql_log(ql_log_warn, vha, 0x0082,
1344                     "Failed mailbox send register test.\n");
1345         } else {
1346                 /* Flag a successful rval */
1347                 rval = QLA_SUCCESS;
1348         }
1349
1350         return rval;
1351 }
1352
1353 void
1354 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1355 {
1356         int rval;
1357         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1358             eft_size, fce_size, mq_size;
1359         dma_addr_t tc_dma;
1360         void *tc;
1361         struct qla_hw_data *ha = vha->hw;
1362         struct req_que *req = ha->req_q_map[0];
1363         struct rsp_que *rsp = ha->rsp_q_map[0];
1364
1365         if (ha->fw_dump) {
1366                 ql_dbg(ql_dbg_init, vha, 0x00bd,
1367                     "Firmware dump already allocated.\n");
1368                 return;
1369         }
1370
1371         ha->fw_dumped = 0;
1372         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1373         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1374                 fixed_size = sizeof(struct qla2100_fw_dump);
1375         } else if (IS_QLA23XX(ha)) {
1376                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1377                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1378                     sizeof(uint16_t);
1379         } else if (IS_FWI2_CAPABLE(ha)) {
1380                 if (IS_QLA83XX(ha))
1381                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1382                 else if (IS_QLA81XX(ha))
1383                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1384                 else if (IS_QLA25XX(ha))
1385                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1386                 else
1387                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1388                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1389                     sizeof(uint32_t);
1390                 if (ha->mqenable) {
1391                         if (!IS_QLA83XX(ha))
1392                                 mq_size = sizeof(struct qla2xxx_mq_chain);
1393                         /*
1394                          * Allocate maximum buffer size for all queues.
1395                          * Resizing must be done at end-of-dump processing.
1396                          */
1397                         mq_size += ha->max_req_queues *
1398                             (req->length * sizeof(request_t));
1399                         mq_size += ha->max_rsp_queues *
1400                             (rsp->length * sizeof(response_t));
1401                 }
1402                 if (ha->tgt.atio_q_length)
1403                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
1404                 /* Allocate memory for Fibre Channel Event Buffer. */
1405                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha))
1406                         goto try_eft;
1407
1408                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1409                     GFP_KERNEL);
1410                 if (!tc) {
1411                         ql_log(ql_log_warn, vha, 0x00be,
1412                             "Unable to allocate (%d KB) for FCE.\n",
1413                             FCE_SIZE / 1024);
1414                         goto try_eft;
1415                 }
1416
1417                 memset(tc, 0, FCE_SIZE);
1418                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1419                     ha->fce_mb, &ha->fce_bufs);
1420                 if (rval) {
1421                         ql_log(ql_log_warn, vha, 0x00bf,
1422                             "Unable to initialize FCE (%d).\n", rval);
1423                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1424                             tc_dma);
1425                         ha->flags.fce_enabled = 0;
1426                         goto try_eft;
1427                 }
1428                 ql_dbg(ql_dbg_init, vha, 0x00c0,
1429                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1430
1431                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1432                 ha->flags.fce_enabled = 1;
1433                 ha->fce_dma = tc_dma;
1434                 ha->fce = tc;
1435 try_eft:
1436                 /* Allocate memory for Extended Trace Buffer. */
1437                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1438                     GFP_KERNEL);
1439                 if (!tc) {
1440                         ql_log(ql_log_warn, vha, 0x00c1,
1441                             "Unable to allocate (%d KB) for EFT.\n",
1442                             EFT_SIZE / 1024);
1443                         goto cont_alloc;
1444                 }
1445
1446                 memset(tc, 0, EFT_SIZE);
1447                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1448                 if (rval) {
1449                         ql_log(ql_log_warn, vha, 0x00c2,
1450                             "Unable to initialize EFT (%d).\n", rval);
1451                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1452                             tc_dma);
1453                         goto cont_alloc;
1454                 }
1455                 ql_dbg(ql_dbg_init, vha, 0x00c3,
1456                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1457
1458                 eft_size = EFT_SIZE;
1459                 ha->eft_dma = tc_dma;
1460                 ha->eft = tc;
1461         }
1462 cont_alloc:
1463         req_q_size = req->length * sizeof(request_t);
1464         rsp_q_size = rsp->length * sizeof(response_t);
1465
1466         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1467         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1468         ha->chain_offset = dump_size;
1469         dump_size += mq_size + fce_size;
1470
1471         ha->fw_dump = vmalloc(dump_size);
1472         if (!ha->fw_dump) {
1473                 ql_log(ql_log_warn, vha, 0x00c4,
1474                     "Unable to allocate (%d KB) for firmware dump.\n",
1475                     dump_size / 1024);
1476
1477                 if (ha->fce) {
1478                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1479                             ha->fce_dma);
1480                         ha->fce = NULL;
1481                         ha->fce_dma = 0;
1482                 }
1483
1484                 if (ha->eft) {
1485                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1486                             ha->eft_dma);
1487                         ha->eft = NULL;
1488                         ha->eft_dma = 0;
1489                 }
1490                 return;
1491         }
1492         ql_dbg(ql_dbg_init, vha, 0x00c5,
1493             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1494
1495         ha->fw_dump_len = dump_size;
1496         ha->fw_dump->signature[0] = 'Q';
1497         ha->fw_dump->signature[1] = 'L';
1498         ha->fw_dump->signature[2] = 'G';
1499         ha->fw_dump->signature[3] = 'C';
1500         ha->fw_dump->version = __constant_htonl(1);
1501
1502         ha->fw_dump->fixed_size = htonl(fixed_size);
1503         ha->fw_dump->mem_size = htonl(mem_size);
1504         ha->fw_dump->req_q_size = htonl(req_q_size);
1505         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1506
1507         ha->fw_dump->eft_size = htonl(eft_size);
1508         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1509         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1510
1511         ha->fw_dump->header_size =
1512             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1513 }
1514
1515 static int
1516 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1517 {
1518 #define MPS_MASK        0xe0
1519         int rval;
1520         uint16_t dc;
1521         uint32_t dw;
1522
1523         if (!IS_QLA81XX(vha->hw))
1524                 return QLA_SUCCESS;
1525
1526         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1527         if (rval != QLA_SUCCESS) {
1528                 ql_log(ql_log_warn, vha, 0x0105,
1529                     "Unable to acquire semaphore.\n");
1530                 goto done;
1531         }
1532
1533         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1534         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1535         if (rval != QLA_SUCCESS) {
1536                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1537                 goto done_release;
1538         }
1539
1540         dc &= MPS_MASK;
1541         if (dc == (dw & MPS_MASK))
1542                 goto done_release;
1543
1544         dw &= ~MPS_MASK;
1545         dw |= dc;
1546         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1547         if (rval != QLA_SUCCESS) {
1548                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1549         }
1550
1551 done_release:
1552         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1553         if (rval != QLA_SUCCESS) {
1554                 ql_log(ql_log_warn, vha, 0x006d,
1555                     "Unable to release semaphore.\n");
1556         }
1557
1558 done:
1559         return rval;
1560 }
1561
1562 int
1563 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
1564 {
1565         /* Don't try to reallocate the array */
1566         if (req->outstanding_cmds)
1567                 return QLA_SUCCESS;
1568
1569         if (!IS_FWI2_CAPABLE(ha) || (ha->mqiobase &&
1570             (ql2xmultique_tag || ql2xmaxqueues > 1)))
1571                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
1572         else {
1573                 if (ha->fw_xcb_count <= ha->fw_iocb_count)
1574                         req->num_outstanding_cmds = ha->fw_xcb_count;
1575                 else
1576                         req->num_outstanding_cmds = ha->fw_iocb_count;
1577         }
1578
1579         req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1580             req->num_outstanding_cmds, GFP_KERNEL);
1581
1582         if (!req->outstanding_cmds) {
1583                 /*
1584                  * Try to allocate a minimal size just so we can get through
1585                  * initialization.
1586                  */
1587                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
1588                 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1589                     req->num_outstanding_cmds, GFP_KERNEL);
1590
1591                 if (!req->outstanding_cmds) {
1592                         ql_log(ql_log_fatal, NULL, 0x0126,
1593                             "Failed to allocate memory for "
1594                             "outstanding_cmds for req_que %p.\n", req);
1595                         req->num_outstanding_cmds = 0;
1596                         return QLA_FUNCTION_FAILED;
1597                 }
1598         }
1599
1600         return QLA_SUCCESS;
1601 }
1602
1603 /**
1604  * qla2x00_setup_chip() - Load and start RISC firmware.
1605  * @ha: HA context
1606  *
1607  * Returns 0 on success.
1608  */
1609 static int
1610 qla2x00_setup_chip(scsi_qla_host_t *vha)
1611 {
1612         int rval;
1613         uint32_t srisc_address = 0;
1614         struct qla_hw_data *ha = vha->hw;
1615         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1616         unsigned long flags;
1617         uint16_t fw_major_version;
1618
1619         if (IS_QLA82XX(ha)) {
1620                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1621                 if (rval == QLA_SUCCESS) {
1622                         qla2x00_stop_firmware(vha);
1623                         goto enable_82xx_npiv;
1624                 } else
1625                         goto failed;
1626         }
1627
1628         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1629                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1630                 spin_lock_irqsave(&ha->hardware_lock, flags);
1631                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1632                 RD_REG_WORD(&reg->hccr);
1633                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1634         }
1635
1636         qla81xx_mpi_sync(vha);
1637
1638         /* Load firmware sequences */
1639         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1640         if (rval == QLA_SUCCESS) {
1641                 ql_dbg(ql_dbg_init, vha, 0x00c9,
1642                     "Verifying Checksum of loaded RISC code.\n");
1643
1644                 rval = qla2x00_verify_checksum(vha, srisc_address);
1645                 if (rval == QLA_SUCCESS) {
1646                         /* Start firmware execution. */
1647                         ql_dbg(ql_dbg_init, vha, 0x00ca,
1648                             "Starting firmware.\n");
1649
1650                         rval = qla2x00_execute_fw(vha, srisc_address);
1651                         /* Retrieve firmware information. */
1652                         if (rval == QLA_SUCCESS) {
1653 enable_82xx_npiv:
1654                                 fw_major_version = ha->fw_major_version;
1655                                 if (IS_QLA82XX(ha))
1656                                         qla82xx_check_md_needed(vha);
1657                                 else
1658                                         rval = qla2x00_get_fw_version(vha);
1659                                 if (rval != QLA_SUCCESS)
1660                                         goto failed;
1661                                 ha->flags.npiv_supported = 0;
1662                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1663                                          (ha->fw_attributes & BIT_2)) {
1664                                         ha->flags.npiv_supported = 1;
1665                                         if ((!ha->max_npiv_vports) ||
1666                                             ((ha->max_npiv_vports + 1) %
1667                                             MIN_MULTI_ID_FABRIC))
1668                                                 ha->max_npiv_vports =
1669                                                     MIN_MULTI_ID_FABRIC - 1;
1670                                 }
1671                                 qla2x00_get_resource_cnts(vha, NULL,
1672                                     &ha->fw_xcb_count, NULL, &ha->fw_iocb_count,
1673                                     &ha->max_npiv_vports, NULL);
1674
1675                                 /*
1676                                  * Allocate the array of outstanding commands
1677                                  * now that we know the firmware resources.
1678                                  */
1679                                 rval = qla2x00_alloc_outstanding_cmds(ha,
1680                                     vha->req);
1681                                 if (rval != QLA_SUCCESS)
1682                                         goto failed;
1683
1684                                 if (!fw_major_version && ql2xallocfwdump
1685                                     && !IS_QLA82XX(ha))
1686                                         qla2x00_alloc_fw_dump(vha);
1687                         }
1688                 } else {
1689                         ql_log(ql_log_fatal, vha, 0x00cd,
1690                             "ISP Firmware failed checksum.\n");
1691                         goto failed;
1692                 }
1693         } else
1694                 goto failed;
1695
1696         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1697                 /* Enable proper parity. */
1698                 spin_lock_irqsave(&ha->hardware_lock, flags);
1699                 if (IS_QLA2300(ha))
1700                         /* SRAM parity */
1701                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1702                 else
1703                         /* SRAM, Instruction RAM and GP RAM parity */
1704                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1705                 RD_REG_WORD(&reg->hccr);
1706                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1707         }
1708
1709         if (IS_QLA83XX(ha))
1710                 goto skip_fac_check;
1711
1712         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1713                 uint32_t size;
1714
1715                 rval = qla81xx_fac_get_sector_size(vha, &size);
1716                 if (rval == QLA_SUCCESS) {
1717                         ha->flags.fac_supported = 1;
1718                         ha->fdt_block_size = size << 2;
1719                 } else {
1720                         ql_log(ql_log_warn, vha, 0x00ce,
1721                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1722                             ha->fw_major_version, ha->fw_minor_version,
1723                             ha->fw_subminor_version);
1724 skip_fac_check:
1725                         if (IS_QLA83XX(ha)) {
1726                                 ha->flags.fac_supported = 0;
1727                                 rval = QLA_SUCCESS;
1728                         }
1729                 }
1730         }
1731 failed:
1732         if (rval) {
1733                 ql_log(ql_log_fatal, vha, 0x00cf,
1734                     "Setup chip ****FAILED****.\n");
1735         }
1736
1737         return (rval);
1738 }
1739
1740 /**
1741  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1742  * @ha: HA context
1743  *
1744  * Beginning of request ring has initialization control block already built
1745  * by nvram config routine.
1746  *
1747  * Returns 0 on success.
1748  */
1749 void
1750 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1751 {
1752         uint16_t cnt;
1753         response_t *pkt;
1754
1755         rsp->ring_ptr = rsp->ring;
1756         rsp->ring_index    = 0;
1757         rsp->status_srb = NULL;
1758         pkt = rsp->ring_ptr;
1759         for (cnt = 0; cnt < rsp->length; cnt++) {
1760                 pkt->signature = RESPONSE_PROCESSED;
1761                 pkt++;
1762         }
1763 }
1764
1765 /**
1766  * qla2x00_update_fw_options() - Read and process firmware options.
1767  * @ha: HA context
1768  *
1769  * Returns 0 on success.
1770  */
1771 void
1772 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1773 {
1774         uint16_t swing, emphasis, tx_sens, rx_sens;
1775         struct qla_hw_data *ha = vha->hw;
1776
1777         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1778         qla2x00_get_fw_options(vha, ha->fw_options);
1779
1780         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1781                 return;
1782
1783         /* Serial Link options. */
1784         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1785             "Serial link options.\n");
1786         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1787             (uint8_t *)&ha->fw_seriallink_options,
1788             sizeof(ha->fw_seriallink_options));
1789
1790         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1791         if (ha->fw_seriallink_options[3] & BIT_2) {
1792                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1793
1794                 /*  1G settings */
1795                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1796                 emphasis = (ha->fw_seriallink_options[2] &
1797                     (BIT_4 | BIT_3)) >> 3;
1798                 tx_sens = ha->fw_seriallink_options[0] &
1799                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1800                 rx_sens = (ha->fw_seriallink_options[0] &
1801                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1802                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1803                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1804                         if (rx_sens == 0x0)
1805                                 rx_sens = 0x3;
1806                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1807                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1808                         ha->fw_options[10] |= BIT_5 |
1809                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1810                             (tx_sens & (BIT_1 | BIT_0));
1811
1812                 /*  2G settings */
1813                 swing = (ha->fw_seriallink_options[2] &
1814                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1815                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1816                 tx_sens = ha->fw_seriallink_options[1] &
1817                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1818                 rx_sens = (ha->fw_seriallink_options[1] &
1819                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1820                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1821                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1822                         if (rx_sens == 0x0)
1823                                 rx_sens = 0x3;
1824                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1825                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1826                         ha->fw_options[11] |= BIT_5 |
1827                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1828                             (tx_sens & (BIT_1 | BIT_0));
1829         }
1830
1831         /* FCP2 options. */
1832         /*  Return command IOCBs without waiting for an ABTS to complete. */
1833         ha->fw_options[3] |= BIT_13;
1834
1835         /* LED scheme. */
1836         if (ha->flags.enable_led_scheme)
1837                 ha->fw_options[2] |= BIT_12;
1838
1839         /* Detect ISP6312. */
1840         if (IS_QLA6312(ha))
1841                 ha->fw_options[2] |= BIT_13;
1842
1843         /* Update firmware options. */
1844         qla2x00_set_fw_options(vha, ha->fw_options);
1845 }
1846
1847 void
1848 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1849 {
1850         int rval;
1851         struct qla_hw_data *ha = vha->hw;
1852
1853         if (IS_QLA82XX(ha))
1854                 return;
1855
1856         /* Update Serial Link options. */
1857         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1858                 return;
1859
1860         rval = qla2x00_set_serdes_params(vha,
1861             le16_to_cpu(ha->fw_seriallink_options24[1]),
1862             le16_to_cpu(ha->fw_seriallink_options24[2]),
1863             le16_to_cpu(ha->fw_seriallink_options24[3]));
1864         if (rval != QLA_SUCCESS) {
1865                 ql_log(ql_log_warn, vha, 0x0104,
1866                     "Unable to update Serial Link options (%x).\n", rval);
1867         }
1868 }
1869
1870 void
1871 qla2x00_config_rings(struct scsi_qla_host *vha)
1872 {
1873         struct qla_hw_data *ha = vha->hw;
1874         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1875         struct req_que *req = ha->req_q_map[0];
1876         struct rsp_que *rsp = ha->rsp_q_map[0];
1877
1878         /* Setup ring parameters in initialization control block. */
1879         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1880         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1881         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1882         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1883         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1884         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1885         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1886         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1887
1888         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1889         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1890         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1891         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1892         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1893 }
1894
1895 void
1896 qla24xx_config_rings(struct scsi_qla_host *vha)
1897 {
1898         struct qla_hw_data *ha = vha->hw;
1899         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1900         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1901         struct qla_msix_entry *msix;
1902         struct init_cb_24xx *icb;
1903         uint16_t rid = 0;
1904         struct req_que *req = ha->req_q_map[0];
1905         struct rsp_que *rsp = ha->rsp_q_map[0];
1906
1907         /* Setup ring parameters in initialization control block. */
1908         icb = (struct init_cb_24xx *)ha->init_cb;
1909         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1910         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1911         icb->request_q_length = cpu_to_le16(req->length);
1912         icb->response_q_length = cpu_to_le16(rsp->length);
1913         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1914         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1915         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1916         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1917
1918         /* Setup ATIO queue dma pointers for target mode */
1919         icb->atio_q_inpointer = __constant_cpu_to_le16(0);
1920         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
1921         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
1922         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
1923
1924         if (ha->mqenable || IS_QLA83XX(ha)) {
1925                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1926                 icb->rid = __constant_cpu_to_le16(rid);
1927                 if (ha->flags.msix_enabled) {
1928                         msix = &ha->msix_entries[1];
1929                         ql_dbg(ql_dbg_init, vha, 0x00fd,
1930                             "Registering vector 0x%x for base que.\n",
1931                             msix->entry);
1932                         icb->msix = cpu_to_le16(msix->entry);
1933                 }
1934                 /* Use alternate PCI bus number */
1935                 if (MSB(rid))
1936                         icb->firmware_options_2 |=
1937                                 __constant_cpu_to_le32(BIT_19);
1938                 /* Use alternate PCI devfn */
1939                 if (LSB(rid))
1940                         icb->firmware_options_2 |=
1941                                 __constant_cpu_to_le32(BIT_18);
1942
1943                 /* Use Disable MSIX Handshake mode for capable adapters */
1944                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
1945                     (ha->flags.msix_enabled)) {
1946                         icb->firmware_options_2 &=
1947                                 __constant_cpu_to_le32(~BIT_22);
1948                         ha->flags.disable_msix_handshake = 1;
1949                         ql_dbg(ql_dbg_init, vha, 0x00fe,
1950                             "MSIX Handshake Disable Mode turned on.\n");
1951                 } else {
1952                         icb->firmware_options_2 |=
1953                                 __constant_cpu_to_le32(BIT_22);
1954                 }
1955                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1956
1957                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1958                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1959                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1960                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1961         } else {
1962                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1963                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1964                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1965                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1966         }
1967         qlt_24xx_config_rings(vha, reg);
1968
1969         /* PCI posting */
1970         RD_REG_DWORD(&ioreg->hccr);
1971 }
1972
1973 /**
1974  * qla2x00_init_rings() - Initializes firmware.
1975  * @ha: HA context
1976  *
1977  * Beginning of request ring has initialization control block already built
1978  * by nvram config routine.
1979  *
1980  * Returns 0 on success.
1981  */
1982 static int
1983 qla2x00_init_rings(scsi_qla_host_t *vha)
1984 {
1985         int     rval;
1986         unsigned long flags = 0;
1987         int cnt, que;
1988         struct qla_hw_data *ha = vha->hw;
1989         struct req_que *req;
1990         struct rsp_que *rsp;
1991         struct mid_init_cb_24xx *mid_init_cb =
1992             (struct mid_init_cb_24xx *) ha->init_cb;
1993
1994         spin_lock_irqsave(&ha->hardware_lock, flags);
1995
1996         /* Clear outstanding commands array. */
1997         for (que = 0; que < ha->max_req_queues; que++) {
1998                 req = ha->req_q_map[que];
1999                 if (!req)
2000                         continue;
2001                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2002                         req->outstanding_cmds[cnt] = NULL;
2003
2004                 req->current_outstanding_cmd = 1;
2005
2006                 /* Initialize firmware. */
2007                 req->ring_ptr  = req->ring;
2008                 req->ring_index    = 0;
2009                 req->cnt      = req->length;
2010         }
2011
2012         for (que = 0; que < ha->max_rsp_queues; que++) {
2013                 rsp = ha->rsp_q_map[que];
2014                 if (!rsp)
2015                         continue;
2016                 /* Initialize response queue entries */
2017                 qla2x00_init_response_q_entries(rsp);
2018         }
2019
2020         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2021         ha->tgt.atio_ring_index = 0;
2022         /* Initialize ATIO queue entries */
2023         qlt_init_atio_q_entries(vha);
2024
2025         ha->isp_ops->config_rings(vha);
2026
2027         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2028
2029         /* Update any ISP specific firmware options before initialization. */
2030         ha->isp_ops->update_fw_options(vha);
2031
2032         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2033
2034         if (ha->flags.npiv_supported) {
2035                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2036                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2037                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2038         }
2039
2040         if (IS_FWI2_CAPABLE(ha)) {
2041                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2042                 mid_init_cb->init_cb.execution_throttle =
2043                     cpu_to_le16(ha->fw_xcb_count);
2044         }
2045
2046         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2047         if (rval) {
2048                 ql_log(ql_log_fatal, vha, 0x00d2,
2049                     "Init Firmware **** FAILED ****.\n");
2050         } else {
2051                 ql_dbg(ql_dbg_init, vha, 0x00d3,
2052                     "Init Firmware -- success.\n");
2053         }
2054
2055         return (rval);
2056 }
2057
2058 /**
2059  * qla2x00_fw_ready() - Waits for firmware ready.
2060  * @ha: HA context
2061  *
2062  * Returns 0 on success.
2063  */
2064 static int
2065 qla2x00_fw_ready(scsi_qla_host_t *vha)
2066 {
2067         int             rval;
2068         unsigned long   wtime, mtime, cs84xx_time;
2069         uint16_t        min_wait;       /* Minimum wait time if loop is down */
2070         uint16_t        wait_time;      /* Wait time if loop is coming ready */
2071         uint16_t        state[5];
2072         struct qla_hw_data *ha = vha->hw;
2073
2074         rval = QLA_SUCCESS;
2075
2076         /* 20 seconds for loop down. */
2077         min_wait = 20;
2078
2079         /*
2080          * Firmware should take at most one RATOV to login, plus 5 seconds for
2081          * our own processing.
2082          */
2083         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2084                 wait_time = min_wait;
2085         }
2086
2087         /* Min wait time if loop down */
2088         mtime = jiffies + (min_wait * HZ);
2089
2090         /* wait time before firmware ready */
2091         wtime = jiffies + (wait_time * HZ);
2092
2093         /* Wait for ISP to finish LIP */
2094         if (!vha->flags.init_done)
2095                 ql_log(ql_log_info, vha, 0x801e,
2096                     "Waiting for LIP to complete.\n");
2097
2098         do {
2099                 memset(state, -1, sizeof(state));
2100                 rval = qla2x00_get_firmware_state(vha, state);
2101                 if (rval == QLA_SUCCESS) {
2102                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
2103                                 vha->device_flags &= ~DFLG_NO_CABLE;
2104                         }
2105                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2106                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
2107                                     "fw_state=%x 84xx=%x.\n", state[0],
2108                                     state[2]);
2109                                 if ((state[2] & FSTATE_LOGGED_IN) &&
2110                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2111                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
2112                                             "Sending verify iocb.\n");
2113
2114                                         cs84xx_time = jiffies;
2115                                         rval = qla84xx_init_chip(vha);
2116                                         if (rval != QLA_SUCCESS) {
2117                                                 ql_log(ql_log_warn,
2118                                                     vha, 0x8007,
2119                                                     "Init chip failed.\n");
2120                                                 break;
2121                                         }
2122
2123                                         /* Add time taken to initialize. */
2124                                         cs84xx_time = jiffies - cs84xx_time;
2125                                         wtime += cs84xx_time;
2126                                         mtime += cs84xx_time;
2127                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
2128                                             "Increasing wait time by %ld. "
2129                                             "New time %ld.\n", cs84xx_time,
2130                                             wtime);
2131                                 }
2132                         } else if (state[0] == FSTATE_READY) {
2133                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2134                                     "F/W Ready - OK.\n");
2135
2136                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2137                                     &ha->login_timeout, &ha->r_a_tov);
2138
2139                                 rval = QLA_SUCCESS;
2140                                 break;
2141                         }
2142
2143                         rval = QLA_FUNCTION_FAILED;
2144
2145                         if (atomic_read(&vha->loop_down_timer) &&
2146                             state[0] != FSTATE_READY) {
2147                                 /* Loop down. Timeout on min_wait for states
2148                                  * other than Wait for Login.
2149                                  */
2150                                 if (time_after_eq(jiffies, mtime)) {
2151                                         ql_log(ql_log_info, vha, 0x8038,
2152                                             "Cable is unplugged...\n");
2153
2154                                         vha->device_flags |= DFLG_NO_CABLE;
2155                                         break;
2156                                 }
2157                         }
2158                 } else {
2159                         /* Mailbox cmd failed. Timeout on min_wait. */
2160                         if (time_after_eq(jiffies, mtime) ||
2161                                 ha->flags.isp82xx_fw_hung)
2162                                 break;
2163                 }
2164
2165                 if (time_after_eq(jiffies, wtime))
2166                         break;
2167
2168                 /* Delay for a while */
2169                 msleep(500);
2170         } while (1);
2171
2172         ql_dbg(ql_dbg_taskm, vha, 0x803a,
2173             "fw_state=%x (%x, %x, %x, %x) " "curr time=%lx.\n", state[0],
2174             state[1], state[2], state[3], state[4], jiffies);
2175
2176         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2177                 ql_log(ql_log_warn, vha, 0x803b,
2178                     "Firmware ready **** FAILED ****.\n");
2179         }
2180
2181         return (rval);
2182 }
2183
2184 /*
2185 *  qla2x00_configure_hba
2186 *      Setup adapter context.
2187 *
2188 * Input:
2189 *      ha = adapter state pointer.
2190 *
2191 * Returns:
2192 *      0 = success
2193 *
2194 * Context:
2195 *      Kernel context.
2196 */
2197 static int
2198 qla2x00_configure_hba(scsi_qla_host_t *vha)
2199 {
2200         int       rval;
2201         uint16_t      loop_id;
2202         uint16_t      topo;
2203         uint16_t      sw_cap;
2204         uint8_t       al_pa;
2205         uint8_t       area;
2206         uint8_t       domain;
2207         char            connect_type[22];
2208         struct qla_hw_data *ha = vha->hw;
2209         unsigned long flags;
2210
2211         /* Get host addresses. */
2212         rval = qla2x00_get_adapter_id(vha,
2213             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2214         if (rval != QLA_SUCCESS) {
2215                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2216                     IS_CNA_CAPABLE(ha) ||
2217                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2218                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2219                             "Loop is in a transition state.\n");
2220                 } else {
2221                         ql_log(ql_log_warn, vha, 0x2009,
2222                             "Unable to get host loop ID.\n");
2223                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2224                 }
2225                 return (rval);
2226         }
2227
2228         if (topo == 4) {
2229                 ql_log(ql_log_info, vha, 0x200a,
2230                     "Cannot get topology - retrying.\n");
2231                 return (QLA_FUNCTION_FAILED);
2232         }
2233
2234         vha->loop_id = loop_id;
2235
2236         /* initialize */
2237         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2238         ha->operating_mode = LOOP;
2239         ha->switch_cap = 0;
2240
2241         switch (topo) {
2242         case 0:
2243                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2244                 ha->current_topology = ISP_CFG_NL;
2245                 strcpy(connect_type, "(Loop)");
2246                 break;
2247
2248         case 1:
2249                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2250                 ha->switch_cap = sw_cap;
2251                 ha->current_topology = ISP_CFG_FL;
2252                 strcpy(connect_type, "(FL_Port)");
2253                 break;
2254
2255         case 2:
2256                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2257                 ha->operating_mode = P2P;
2258                 ha->current_topology = ISP_CFG_N;
2259                 strcpy(connect_type, "(N_Port-to-N_Port)");
2260                 break;
2261
2262         case 3:
2263                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2264                 ha->switch_cap = sw_cap;
2265                 ha->operating_mode = P2P;
2266                 ha->current_topology = ISP_CFG_F;
2267                 strcpy(connect_type, "(F_Port)");
2268                 break;
2269
2270         default:
2271                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2272                     "HBA in unknown topology %x, using NL.\n", topo);
2273                 ha->current_topology = ISP_CFG_NL;
2274                 strcpy(connect_type, "(Loop)");
2275                 break;
2276         }
2277
2278         /* Save Host port and loop ID. */
2279         /* byte order - Big Endian */
2280         vha->d_id.b.domain = domain;
2281         vha->d_id.b.area = area;
2282         vha->d_id.b.al_pa = al_pa;
2283
2284         spin_lock_irqsave(&ha->vport_slock, flags);
2285         qlt_update_vp_map(vha, SET_AL_PA);
2286         spin_unlock_irqrestore(&ha->vport_slock, flags);
2287
2288         if (!vha->flags.init_done)
2289                 ql_log(ql_log_info, vha, 0x2010,
2290                     "Topology - %s, Host Loop address 0x%x.\n",
2291                     connect_type, vha->loop_id);
2292
2293         if (rval) {
2294                 ql_log(ql_log_warn, vha, 0x2011,
2295                     "%s FAILED\n", __func__);
2296         } else {
2297                 ql_dbg(ql_dbg_disc, vha, 0x2012,
2298                     "%s success\n", __func__);
2299         }
2300
2301         return(rval);
2302 }
2303
2304 inline void
2305 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2306         char *def)
2307 {
2308         char *st, *en;
2309         uint16_t index;
2310         struct qla_hw_data *ha = vha->hw;
2311         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2312             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2313
2314         if (memcmp(model, BINZERO, len) != 0) {
2315                 strncpy(ha->model_number, model, len);
2316                 st = en = ha->model_number;
2317                 en += len - 1;
2318                 while (en > st) {
2319                         if (*en != 0x20 && *en != 0x00)
2320                                 break;
2321                         *en-- = '\0';
2322                 }
2323
2324                 index = (ha->pdev->subsystem_device & 0xff);
2325                 if (use_tbl &&
2326                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2327                     index < QLA_MODEL_NAMES)
2328                         strncpy(ha->model_desc,
2329                             qla2x00_model_name[index * 2 + 1],
2330                             sizeof(ha->model_desc) - 1);
2331         } else {
2332                 index = (ha->pdev->subsystem_device & 0xff);
2333                 if (use_tbl &&
2334                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2335                     index < QLA_MODEL_NAMES) {
2336                         strcpy(ha->model_number,
2337                             qla2x00_model_name[index * 2]);
2338                         strncpy(ha->model_desc,
2339                             qla2x00_model_name[index * 2 + 1],
2340                             sizeof(ha->model_desc) - 1);
2341                 } else {
2342                         strcpy(ha->model_number, def);
2343                 }
2344         }
2345         if (IS_FWI2_CAPABLE(ha))
2346                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2347                     sizeof(ha->model_desc));
2348 }
2349
2350 /* On sparc systems, obtain port and node WWN from firmware
2351  * properties.
2352  */
2353 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2354 {
2355 #ifdef CONFIG_SPARC
2356         struct qla_hw_data *ha = vha->hw;
2357         struct pci_dev *pdev = ha->pdev;
2358         struct device_node *dp = pci_device_to_OF_node(pdev);
2359         const u8 *val;
2360         int len;
2361
2362         val = of_get_property(dp, "port-wwn", &len);
2363         if (val && len >= WWN_SIZE)
2364                 memcpy(nv->port_name, val, WWN_SIZE);
2365
2366         val = of_get_property(dp, "node-wwn", &len);
2367         if (val && len >= WWN_SIZE)
2368                 memcpy(nv->node_name, val, WWN_SIZE);
2369 #endif
2370 }
2371
2372 /*
2373 * NVRAM configuration for ISP 2xxx
2374 *
2375 * Input:
2376 *      ha                = adapter block pointer.
2377 *
2378 * Output:
2379 *      initialization control block in response_ring
2380 *      host adapters parameters in host adapter block
2381 *
2382 * Returns:
2383 *      0 = success.
2384 */
2385 int
2386 qla2x00_nvram_config(scsi_qla_host_t *vha)
2387 {
2388         int             rval;
2389         uint8_t         chksum = 0;
2390         uint16_t        cnt;
2391         uint8_t         *dptr1, *dptr2;
2392         struct qla_hw_data *ha = vha->hw;
2393         init_cb_t       *icb = ha->init_cb;
2394         nvram_t         *nv = ha->nvram;
2395         uint8_t         *ptr = ha->nvram;
2396         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2397
2398         rval = QLA_SUCCESS;
2399
2400         /* Determine NVRAM starting address. */
2401         ha->nvram_size = sizeof(nvram_t);
2402         ha->nvram_base = 0;
2403         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2404                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2405                         ha->nvram_base = 0x80;
2406
2407         /* Get NVRAM data and calculate checksum. */
2408         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2409         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2410                 chksum += *ptr++;
2411
2412         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2413             "Contents of NVRAM.\n");
2414         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2415             (uint8_t *)nv, ha->nvram_size);
2416
2417         /* Bad NVRAM data, set defaults parameters. */
2418         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2419             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2420                 /* Reset NVRAM data. */
2421                 ql_log(ql_log_warn, vha, 0x0064,
2422                     "Inconsistent NVRAM "
2423                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2424                     chksum, nv->id[0], nv->nvram_version);
2425                 ql_log(ql_log_warn, vha, 0x0065,
2426                     "Falling back to "
2427                     "functioning (yet invalid -- WWPN) defaults.\n");
2428
2429                 /*
2430                  * Set default initialization control block.
2431                  */
2432                 memset(nv, 0, ha->nvram_size);
2433                 nv->parameter_block_version = ICB_VERSION;
2434
2435                 if (IS_QLA23XX(ha)) {
2436                         nv->firmware_options[0] = BIT_2 | BIT_1;
2437                         nv->firmware_options[1] = BIT_7 | BIT_5;
2438                         nv->add_firmware_options[0] = BIT_5;
2439                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2440                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2441                         nv->special_options[1] = BIT_7;
2442                 } else if (IS_QLA2200(ha)) {
2443                         nv->firmware_options[0] = BIT_2 | BIT_1;
2444                         nv->firmware_options[1] = BIT_7 | BIT_5;
2445                         nv->add_firmware_options[0] = BIT_5;
2446                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2447                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2448                 } else if (IS_QLA2100(ha)) {
2449                         nv->firmware_options[0] = BIT_3 | BIT_1;
2450                         nv->firmware_options[1] = BIT_5;
2451                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2452                 }
2453
2454                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2455                 nv->execution_throttle = __constant_cpu_to_le16(16);
2456                 nv->retry_count = 8;
2457                 nv->retry_delay = 1;
2458
2459                 nv->port_name[0] = 33;
2460                 nv->port_name[3] = 224;
2461                 nv->port_name[4] = 139;
2462
2463                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2464
2465                 nv->login_timeout = 4;
2466
2467                 /*
2468                  * Set default host adapter parameters
2469                  */
2470                 nv->host_p[1] = BIT_2;
2471                 nv->reset_delay = 5;
2472                 nv->port_down_retry_count = 8;
2473                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2474                 nv->link_down_timeout = 60;
2475
2476                 rval = 1;
2477         }
2478
2479 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2480         /*
2481          * The SN2 does not provide BIOS emulation which means you can't change
2482          * potentially bogus BIOS settings. Force the use of default settings
2483          * for link rate and frame size.  Hope that the rest of the settings
2484          * are valid.
2485          */
2486         if (ia64_platform_is("sn2")) {
2487                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2488                 if (IS_QLA23XX(ha))
2489                         nv->special_options[1] = BIT_7;
2490         }
2491 #endif
2492
2493         /* Reset Initialization control block */
2494         memset(icb, 0, ha->init_cb_size);
2495
2496         /*
2497          * Setup driver NVRAM options.
2498          */
2499         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2500         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2501         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2502         nv->firmware_options[1] &= ~BIT_4;
2503
2504         if (IS_QLA23XX(ha)) {
2505                 nv->firmware_options[0] |= BIT_2;
2506                 nv->firmware_options[0] &= ~BIT_3;
2507                 nv->special_options[0] &= ~BIT_6;
2508                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2509
2510                 if (IS_QLA2300(ha)) {
2511                         if (ha->fb_rev == FPM_2310) {
2512                                 strcpy(ha->model_number, "QLA2310");
2513                         } else {
2514                                 strcpy(ha->model_number, "QLA2300");
2515                         }
2516                 } else {
2517                         qla2x00_set_model_info(vha, nv->model_number,
2518                             sizeof(nv->model_number), "QLA23xx");
2519                 }
2520         } else if (IS_QLA2200(ha)) {
2521                 nv->firmware_options[0] |= BIT_2;
2522                 /*
2523                  * 'Point-to-point preferred, else loop' is not a safe
2524                  * connection mode setting.
2525                  */
2526                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2527                     (BIT_5 | BIT_4)) {
2528                         /* Force 'loop preferred, else point-to-point'. */
2529                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2530                         nv->add_firmware_options[0] |= BIT_5;
2531                 }
2532                 strcpy(ha->model_number, "QLA22xx");
2533         } else /*if (IS_QLA2100(ha))*/ {
2534                 strcpy(ha->model_number, "QLA2100");
2535         }
2536
2537         /*
2538          * Copy over NVRAM RISC parameter block to initialization control block.
2539          */
2540         dptr1 = (uint8_t *)icb;
2541         dptr2 = (uint8_t *)&nv->parameter_block_version;
2542         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2543         while (cnt--)
2544                 *dptr1++ = *dptr2++;
2545
2546         /* Copy 2nd half. */
2547         dptr1 = (uint8_t *)icb->add_firmware_options;
2548         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2549         while (cnt--)
2550                 *dptr1++ = *dptr2++;
2551
2552         /* Use alternate WWN? */
2553         if (nv->host_p[1] & BIT_7) {
2554                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2555                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2556         }
2557
2558         /* Prepare nodename */
2559         if ((icb->firmware_options[1] & BIT_6) == 0) {
2560                 /*
2561                  * Firmware will apply the following mask if the nodename was
2562                  * not provided.
2563                  */
2564                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2565                 icb->node_name[0] &= 0xF0;
2566         }
2567
2568         /*
2569          * Set host adapter parameters.
2570          */
2571
2572         /*
2573          * BIT_7 in the host-parameters section allows for modification to
2574          * internal driver logging.
2575          */
2576         if (nv->host_p[0] & BIT_7)
2577                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2578         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2579         /* Always load RISC code on non ISP2[12]00 chips. */
2580         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2581                 ha->flags.disable_risc_code_load = 0;
2582         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2583         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2584         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2585         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2586         ha->flags.disable_serdes = 0;
2587
2588         ha->operating_mode =
2589             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2590
2591         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2592             sizeof(ha->fw_seriallink_options));
2593
2594         /* save HBA serial number */
2595         ha->serial0 = icb->port_name[5];
2596         ha->serial1 = icb->port_name[6];
2597         ha->serial2 = icb->port_name[7];
2598         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2599         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2600
2601         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2602
2603         ha->retry_count = nv->retry_count;
2604
2605         /* Set minimum login_timeout to 4 seconds. */
2606         if (nv->login_timeout != ql2xlogintimeout)
2607                 nv->login_timeout = ql2xlogintimeout;
2608         if (nv->login_timeout < 4)
2609                 nv->login_timeout = 4;
2610         ha->login_timeout = nv->login_timeout;
2611         icb->login_timeout = nv->login_timeout;
2612
2613         /* Set minimum RATOV to 100 tenths of a second. */
2614         ha->r_a_tov = 100;
2615
2616         ha->loop_reset_delay = nv->reset_delay;
2617
2618         /* Link Down Timeout = 0:
2619          *
2620          *      When Port Down timer expires we will start returning
2621          *      I/O's to OS with "DID_NO_CONNECT".
2622          *
2623          * Link Down Timeout != 0:
2624          *
2625          *       The driver waits for the link to come up after link down
2626          *       before returning I/Os to OS with "DID_NO_CONNECT".
2627          */
2628         if (nv->link_down_timeout == 0) {
2629                 ha->loop_down_abort_time =
2630                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2631         } else {
2632                 ha->link_down_timeout =  nv->link_down_timeout;
2633                 ha->loop_down_abort_time =
2634                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2635         }
2636
2637         /*
2638          * Need enough time to try and get the port back.
2639          */
2640         ha->port_down_retry_count = nv->port_down_retry_count;
2641         if (qlport_down_retry)
2642                 ha->port_down_retry_count = qlport_down_retry;
2643         /* Set login_retry_count */
2644         ha->login_retry_count  = nv->retry_count;
2645         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2646             ha->port_down_retry_count > 3)
2647                 ha->login_retry_count = ha->port_down_retry_count;
2648         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2649                 ha->login_retry_count = ha->port_down_retry_count;
2650         if (ql2xloginretrycount)
2651                 ha->login_retry_count = ql2xloginretrycount;
2652
2653         icb->lun_enables = __constant_cpu_to_le16(0);
2654         icb->command_resource_count = 0;
2655         icb->immediate_notify_resource_count = 0;
2656         icb->timeout = __constant_cpu_to_le16(0);
2657
2658         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2659                 /* Enable RIO */
2660                 icb->firmware_options[0] &= ~BIT_3;
2661                 icb->add_firmware_options[0] &=
2662                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2663                 icb->add_firmware_options[0] |= BIT_2;
2664                 icb->response_accumulation_timer = 3;
2665                 icb->interrupt_delay_timer = 5;
2666
2667                 vha->flags.process_response_queue = 1;
2668         } else {
2669                 /* Enable ZIO. */
2670                 if (!vha->flags.init_done) {
2671                         ha->zio_mode = icb->add_firmware_options[0] &
2672                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2673                         ha->zio_timer = icb->interrupt_delay_timer ?
2674                             icb->interrupt_delay_timer: 2;
2675                 }
2676                 icb->add_firmware_options[0] &=
2677                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2678                 vha->flags.process_response_queue = 0;
2679                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2680                         ha->zio_mode = QLA_ZIO_MODE_6;
2681
2682                         ql_log(ql_log_info, vha, 0x0068,
2683                             "ZIO mode %d enabled; timer delay (%d us).\n",
2684                             ha->zio_mode, ha->zio_timer * 100);
2685
2686                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2687                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2688                         vha->flags.process_response_queue = 1;
2689                 }
2690         }
2691
2692         if (rval) {
2693                 ql_log(ql_log_warn, vha, 0x0069,
2694                     "NVRAM configuration failed.\n");
2695         }
2696         return (rval);
2697 }
2698
2699 static void
2700 qla2x00_rport_del(void *data)
2701 {
2702         fc_port_t *fcport = data;
2703         struct fc_rport *rport;
2704         scsi_qla_host_t *vha = fcport->vha;
2705         unsigned long flags;
2706
2707         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2708         rport = fcport->drport ? fcport->drport: fcport->rport;
2709         fcport->drport = NULL;
2710         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2711         if (rport) {
2712                 fc_remote_port_delete(rport);
2713                 /*
2714                  * Release the target mode FC NEXUS in qla_target.c code
2715                  * if target mod is enabled.
2716                  */
2717                 qlt_fc_port_deleted(vha, fcport);
2718         }
2719 }
2720
2721 /**
2722  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2723  * @ha: HA context
2724  * @flags: allocation flags
2725  *
2726  * Returns a pointer to the allocated fcport, or NULL, if none available.
2727  */
2728 fc_port_t *
2729 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2730 {
2731         fc_port_t *fcport;
2732
2733         fcport = kzalloc(sizeof(fc_port_t), flags);
2734         if (!fcport)
2735                 return NULL;
2736
2737         /* Setup fcport template structure. */
2738         fcport->vha = vha;
2739         fcport->port_type = FCT_UNKNOWN;
2740         fcport->loop_id = FC_NO_LOOP_ID;
2741         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2742         fcport->supported_classes = FC_COS_UNSPECIFIED;
2743         fcport->scan_state = QLA_FCPORT_SCAN_NONE;
2744
2745         return fcport;
2746 }
2747
2748 /*
2749  * qla2x00_configure_loop
2750  *      Updates Fibre Channel Device Database with what is actually on loop.
2751  *
2752  * Input:
2753  *      ha                = adapter block pointer.
2754  *
2755  * Returns:
2756  *      0 = success.
2757  *      1 = error.
2758  *      2 = database was full and device was not configured.
2759  */
2760 static int
2761 qla2x00_configure_loop(scsi_qla_host_t *vha)
2762 {
2763         int  rval;
2764         unsigned long flags, save_flags;
2765         struct qla_hw_data *ha = vha->hw;
2766         rval = QLA_SUCCESS;
2767
2768         /* Get Initiator ID */
2769         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2770                 rval = qla2x00_configure_hba(vha);
2771                 if (rval != QLA_SUCCESS) {
2772                         ql_dbg(ql_dbg_disc, vha, 0x2013,
2773                             "Unable to configure HBA.\n");
2774                         return (rval);
2775                 }
2776         }
2777
2778         save_flags = flags = vha->dpc_flags;
2779         ql_dbg(ql_dbg_disc, vha, 0x2014,
2780             "Configure loop -- dpc flags = 0x%lx.\n", flags);
2781
2782         /*
2783          * If we have both an RSCN and PORT UPDATE pending then handle them
2784          * both at the same time.
2785          */
2786         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2787         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2788
2789         qla2x00_get_data_rate(vha);
2790
2791         /* Determine what we need to do */
2792         if (ha->current_topology == ISP_CFG_FL &&
2793             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2794
2795                 set_bit(RSCN_UPDATE, &flags);
2796
2797         } else if (ha->current_topology == ISP_CFG_F &&
2798             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2799
2800                 set_bit(RSCN_UPDATE, &flags);
2801                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2802
2803         } else if (ha->current_topology == ISP_CFG_N) {
2804                 clear_bit(RSCN_UPDATE, &flags);
2805
2806         } else if (!vha->flags.online ||
2807             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2808
2809                 set_bit(RSCN_UPDATE, &flags);
2810                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2811         }
2812
2813         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2814                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2815                         ql_dbg(ql_dbg_disc, vha, 0x2015,
2816                             "Loop resync needed, failing.\n");
2817                         rval = QLA_FUNCTION_FAILED;
2818                 } else
2819                         rval = qla2x00_configure_local_loop(vha);
2820         }
2821
2822         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2823                 if (LOOP_TRANSITION(vha)) {
2824                         ql_dbg(ql_dbg_disc, vha, 0x201e,
2825                             "Needs RSCN update and loop transition.\n");
2826                         rval = QLA_FUNCTION_FAILED;
2827                 }
2828                 else
2829                         rval = qla2x00_configure_fabric(vha);
2830         }
2831
2832         if (rval == QLA_SUCCESS) {
2833                 if (atomic_read(&vha->loop_down_timer) ||
2834                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2835                         rval = QLA_FUNCTION_FAILED;
2836                 } else {
2837                         atomic_set(&vha->loop_state, LOOP_READY);
2838                         ql_dbg(ql_dbg_disc, vha, 0x2069,
2839                             "LOOP READY.\n");
2840                 }
2841         }
2842
2843         if (rval) {
2844                 ql_dbg(ql_dbg_disc, vha, 0x206a,
2845                     "%s *** FAILED ***.\n", __func__);
2846         } else {
2847                 ql_dbg(ql_dbg_disc, vha, 0x206b,
2848                     "%s: exiting normally.\n", __func__);
2849         }
2850
2851         /* Restore state if a resync event occurred during processing */
2852         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2853                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2854                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2855                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2856                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2857                 }
2858         }
2859
2860         return (rval);
2861 }
2862
2863
2864
2865 /*
2866  * qla2x00_configure_local_loop
2867  *      Updates Fibre Channel Device Database with local loop devices.
2868  *
2869  * Input:
2870  *      ha = adapter block pointer.
2871  *
2872  * Returns:
2873  *      0 = success.
2874  */
2875 static int
2876 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2877 {
2878         int             rval, rval2;
2879         int             found_devs;
2880         int             found;
2881         fc_port_t       *fcport, *new_fcport;
2882
2883         uint16_t        index;
2884         uint16_t        entries;
2885         char            *id_iter;
2886         uint16_t        loop_id;
2887         uint8_t         domain, area, al_pa;
2888         struct qla_hw_data *ha = vha->hw;
2889
2890         found_devs = 0;
2891         new_fcport = NULL;
2892         entries = MAX_FIBRE_DEVICES_LOOP;
2893
2894         /* Get list of logged in devices. */
2895         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
2896         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2897             &entries);
2898         if (rval != QLA_SUCCESS)
2899                 goto cleanup_allocation;
2900
2901         ql_dbg(ql_dbg_disc, vha, 0x2017,
2902             "Entries in ID list (%d).\n", entries);
2903         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
2904             (uint8_t *)ha->gid_list,
2905             entries * sizeof(struct gid_list_info));
2906
2907         /* Allocate temporary fcport for any new fcports discovered. */
2908         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2909         if (new_fcport == NULL) {
2910                 ql_log(ql_log_warn, vha, 0x2018,
2911                     "Memory allocation failed for fcport.\n");
2912                 rval = QLA_MEMORY_ALLOC_FAILED;
2913                 goto cleanup_allocation;
2914         }
2915         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2916
2917         /*
2918          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2919          */
2920         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2921                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2922                     fcport->port_type != FCT_BROADCAST &&
2923                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2924
2925                         ql_dbg(ql_dbg_disc, vha, 0x2019,
2926                             "Marking port lost loop_id=0x%04x.\n",
2927                             fcport->loop_id);
2928
2929                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2930                 }
2931         }
2932
2933         /* Add devices to port list. */
2934         id_iter = (char *)ha->gid_list;
2935         for (index = 0; index < entries; index++) {
2936                 domain = ((struct gid_list_info *)id_iter)->domain;
2937                 area = ((struct gid_list_info *)id_iter)->area;
2938                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2939                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2940                         loop_id = (uint16_t)
2941                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2942                 else
2943                         loop_id = le16_to_cpu(
2944                             ((struct gid_list_info *)id_iter)->loop_id);
2945                 id_iter += ha->gid_list_info_size;
2946
2947                 /* Bypass reserved domain fields. */
2948                 if ((domain & 0xf0) == 0xf0)
2949                         continue;
2950
2951                 /* Bypass if not same domain and area of adapter. */
2952                 if (area && domain &&
2953                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2954                         continue;
2955
2956                 /* Bypass invalid local loop ID. */
2957                 if (loop_id > LAST_LOCAL_LOOP_ID)
2958                         continue;
2959
2960                 memset(new_fcport, 0, sizeof(fc_port_t));
2961
2962                 /* Fill in member data. */
2963                 new_fcport->d_id.b.domain = domain;
2964                 new_fcport->d_id.b.area = area;
2965                 new_fcport->d_id.b.al_pa = al_pa;
2966                 new_fcport->loop_id = loop_id;
2967                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2968                 if (rval2 != QLA_SUCCESS) {
2969                         ql_dbg(ql_dbg_disc, vha, 0x201a,
2970                             "Failed to retrieve fcport information "
2971                             "-- get_port_database=%x, loop_id=0x%04x.\n",
2972                             rval2, new_fcport->loop_id);
2973                         ql_dbg(ql_dbg_disc, vha, 0x201b,
2974                             "Scheduling resync.\n");
2975                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2976                         continue;
2977                 }
2978
2979                 /* Check for matching device in port list. */
2980                 found = 0;
2981                 fcport = NULL;
2982                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2983                         if (memcmp(new_fcport->port_name, fcport->port_name,
2984                             WWN_SIZE))
2985                                 continue;
2986
2987                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2988                         fcport->loop_id = new_fcport->loop_id;
2989                         fcport->port_type = new_fcport->port_type;
2990                         fcport->d_id.b24 = new_fcport->d_id.b24;
2991                         memcpy(fcport->node_name, new_fcport->node_name,
2992                             WWN_SIZE);
2993
2994                         found++;
2995                         break;
2996                 }
2997
2998                 if (!found) {
2999                         /* New device, add to fcports list. */
3000                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
3001
3002                         /* Allocate a new replacement fcport. */
3003                         fcport = new_fcport;
3004                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3005                         if (new_fcport == NULL) {
3006                                 ql_log(ql_log_warn, vha, 0x201c,
3007                                     "Failed to allocate memory for fcport.\n");
3008                                 rval = QLA_MEMORY_ALLOC_FAILED;
3009                                 goto cleanup_allocation;
3010                         }
3011                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3012                 }
3013
3014                 /* Base iIDMA settings on HBA port speed. */
3015                 fcport->fp_speed = ha->link_data_rate;
3016
3017                 qla2x00_update_fcport(vha, fcport);
3018
3019                 found_devs++;
3020         }
3021
3022 cleanup_allocation:
3023         kfree(new_fcport);
3024
3025         if (rval != QLA_SUCCESS) {
3026                 ql_dbg(ql_dbg_disc, vha, 0x201d,
3027                     "Configure local loop error exit: rval=%x.\n", rval);
3028         }
3029
3030         return (rval);
3031 }
3032
3033 static void
3034 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3035 {
3036         int rval;
3037         uint16_t mb[4];
3038         struct qla_hw_data *ha = vha->hw;
3039
3040         if (!IS_IIDMA_CAPABLE(ha))
3041                 return;
3042
3043         if (atomic_read(&fcport->state) != FCS_ONLINE)
3044                 return;
3045
3046         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3047             fcport->fp_speed > ha->link_data_rate)
3048                 return;
3049
3050         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3051             mb);
3052         if (rval != QLA_SUCCESS) {
3053                 ql_dbg(ql_dbg_disc, vha, 0x2004,
3054                     "Unable to adjust iIDMA "
3055                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x "
3056                     "%04x.\n", fcport->port_name[0], fcport->port_name[1],
3057                     fcport->port_name[2], fcport->port_name[3],
3058                     fcport->port_name[4], fcport->port_name[5],
3059                     fcport->port_name[6], fcport->port_name[7], rval,
3060                     fcport->fp_speed, mb[0], mb[1]);
3061         } else {
3062                 ql_dbg(ql_dbg_disc, vha, 0x2005,
3063                     "iIDMA adjusted to %s GB/s "
3064                     "on %02x%02x%02x%02x%02x%02x%02x%02x.\n",
3065                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3066                     fcport->port_name[0], fcport->port_name[1],
3067                     fcport->port_name[2], fcport->port_name[3],
3068                     fcport->port_name[4], fcport->port_name[5],
3069                     fcport->port_name[6], fcport->port_name[7]);
3070         }
3071 }
3072
3073 static void
3074 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3075 {
3076         struct fc_rport_identifiers rport_ids;
3077         struct fc_rport *rport;
3078         unsigned long flags;
3079
3080         qla2x00_rport_del(fcport);
3081
3082         rport_ids.node_name = wwn_to_u64(fcport->node_name);
3083         rport_ids.port_name = wwn_to_u64(fcport->port_name);
3084         rport_ids.port_id = fcport->d_id.b.domain << 16 |
3085             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3086         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3087         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3088         if (!rport) {
3089                 ql_log(ql_log_warn, vha, 0x2006,
3090                     "Unable to allocate fc remote port.\n");
3091                 return;
3092         }
3093         /*
3094          * Create target mode FC NEXUS in qla_target.c if target mode is
3095          * enabled..
3096          */
3097         qlt_fc_port_added(vha, fcport);
3098
3099         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3100         *((fc_port_t **)rport->dd_data) = fcport;
3101         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3102
3103         rport->supported_classes = fcport->supported_classes;
3104
3105         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3106         if (fcport->port_type == FCT_INITIATOR)
3107                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3108         if (fcport->port_type == FCT_TARGET)
3109                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3110         fc_remote_port_rolechg(rport, rport_ids.roles);
3111 }
3112
3113 /*
3114  * qla2x00_update_fcport
3115  *      Updates device on list.
3116  *
3117  * Input:
3118  *      ha = adapter block pointer.
3119  *      fcport = port structure pointer.
3120  *
3121  * Return:
3122  *      0  - Success
3123  *  BIT_0 - error
3124  *
3125  * Context:
3126  *      Kernel context.
3127  */
3128 void
3129 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3130 {
3131         fcport->vha = vha;
3132         fcport->login_retry = 0;
3133         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3134
3135         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3136         qla2x00_iidma_fcport(vha, fcport);
3137         qla24xx_update_fcport_fcp_prio(vha, fcport);
3138         qla2x00_reg_remote_port(vha, fcport);
3139 }
3140
3141 /*
3142  * qla2x00_configure_fabric
3143  *      Setup SNS devices with loop ID's.
3144  *
3145  * Input:
3146  *      ha = adapter block pointer.
3147  *
3148  * Returns:
3149  *      0 = success.
3150  *      BIT_0 = error
3151  */
3152 static int
3153 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3154 {
3155         int     rval;
3156         fc_port_t       *fcport;
3157         uint16_t        next_loopid;
3158         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3159         uint16_t        loop_id;
3160         LIST_HEAD(new_fcports);
3161         struct qla_hw_data *ha = vha->hw;
3162         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3163
3164         /* If FL port exists, then SNS is present */
3165         if (IS_FWI2_CAPABLE(ha))
3166                 loop_id = NPH_F_PORT;
3167         else
3168                 loop_id = SNS_FL_PORT;
3169         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3170         if (rval != QLA_SUCCESS) {
3171                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3172                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3173
3174                 vha->device_flags &= ~SWITCH_FOUND;
3175                 return (QLA_SUCCESS);
3176         }
3177         vha->device_flags |= SWITCH_FOUND;
3178
3179         do {
3180                 /* FDMI support. */
3181                 if (ql2xfdmienable &&
3182                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3183                         qla2x00_fdmi_register(vha);
3184
3185                 /* Ensure we are logged into the SNS. */
3186                 if (IS_FWI2_CAPABLE(ha))
3187                         loop_id = NPH_SNS;
3188                 else
3189                         loop_id = SIMPLE_NAME_SERVER;
3190                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3191                     0xfc, mb, BIT_1|BIT_0);
3192                 if (rval != QLA_SUCCESS) {
3193                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3194                         break;
3195                 }
3196                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3197                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3198                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3199                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3200                             mb[2], mb[6], mb[7]);
3201                         return (QLA_SUCCESS);
3202                 }
3203
3204                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3205                         if (qla2x00_rft_id(vha)) {
3206                                 /* EMPTY */
3207                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3208                                     "Register FC-4 TYPE failed.\n");
3209                         }
3210                         if (qla2x00_rff_id(vha)) {
3211                                 /* EMPTY */
3212                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3213                                     "Register FC-4 Features failed.\n");
3214                         }
3215                         if (qla2x00_rnn_id(vha)) {
3216                                 /* EMPTY */
3217                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3218                                     "Register Node Name failed.\n");
3219                         } else if (qla2x00_rsnn_nn(vha)) {
3220                                 /* EMPTY */
3221                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3222                                     "Register Symobilic Node Name failed.\n");
3223                         }
3224                 }
3225
3226                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3227                 if (rval != QLA_SUCCESS)
3228                         break;
3229
3230                 /* Add new ports to existing port list */
3231                 list_splice_tail_init(&new_fcports, &vha->vp_fcports);
3232
3233                 /* Starting free loop ID. */
3234                 next_loopid = ha->min_external_loopid;
3235
3236                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3237                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3238                                 break;
3239
3240                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3241                                 continue;
3242
3243                         /* Logout lost/gone fabric devices (non-FCP2) */
3244                         if (fcport->scan_state != QLA_FCPORT_SCAN_FOUND &&
3245                             atomic_read(&fcport->state) == FCS_ONLINE) {
3246                                 qla2x00_mark_device_lost(vha, fcport,
3247                                     ql2xplogiabsentdevice, 0);
3248                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3249                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3250                                     fcport->port_type != FCT_INITIATOR &&
3251                                     fcport->port_type != FCT_BROADCAST) {
3252                                         ha->isp_ops->fabric_logout(vha,
3253                                             fcport->loop_id,
3254                                             fcport->d_id.b.domain,
3255                                             fcport->d_id.b.area,
3256                                             fcport->d_id.b.al_pa);
3257                                 }
3258                                 continue;
3259                         }
3260                         fcport->scan_state = QLA_FCPORT_SCAN_NONE;
3261
3262                         /* Login fabric devices that need a login */
3263                         if ((fcport->flags & FCF_LOGIN_NEEDED) != 0 &&
3264                             atomic_read(&vha->loop_down_timer) == 0) {
3265                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
3266                                         fcport->loop_id = next_loopid;
3267                                         rval = qla2x00_find_new_loop_id(
3268                                             base_vha, fcport);
3269                                         if (rval != QLA_SUCCESS) {
3270                                                 /* Ran out of IDs to use */
3271                                                 continue;
3272                                         }
3273                                 }
3274                         }
3275
3276                         /* Login and update database */
3277                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3278                 }
3279         } while (0);
3280
3281         if (rval) {
3282                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3283                     "Configure fabric error exit rval=%d.\n", rval);
3284         }
3285
3286         return (rval);
3287 }
3288
3289 /*
3290  * qla2x00_find_all_fabric_devs
3291  *
3292  * Input:
3293  *      ha = adapter block pointer.
3294  *      dev = database device entry pointer.
3295  *
3296  * Returns:
3297  *      0 = success.
3298  *
3299  * Context:
3300  *      Kernel context.
3301  */
3302 static int
3303 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3304         struct list_head *new_fcports)
3305 {
3306         int             rval;
3307         uint16_t        loop_id;
3308         fc_port_t       *fcport, *new_fcport, *fcptemp;
3309         int             found;
3310
3311         sw_info_t       *swl;
3312         int             swl_idx;
3313         int             first_dev, last_dev;
3314         port_id_t       wrap = {}, nxt_d_id;
3315         struct qla_hw_data *ha = vha->hw;
3316         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3317         struct scsi_qla_host *tvp;
3318
3319         rval = QLA_SUCCESS;
3320
3321         /* Try GID_PT to get device list, else GAN. */
3322         if (!ha->swl)
3323                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3324                     GFP_KERNEL);
3325         swl = ha->swl;
3326         if (!swl) {
3327                 /*EMPTY*/
3328                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3329                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3330         } else {
3331                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3332                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3333                         swl = NULL;
3334                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3335                         swl = NULL;
3336                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3337                         swl = NULL;
3338                 } else if (ql2xiidmaenable &&
3339                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3340                         qla2x00_gpsc(vha, swl);
3341                 }
3342
3343                 /* If other queries succeeded probe for FC-4 type */
3344                 if (swl)
3345                         qla2x00_gff_id(vha, swl);
3346         }
3347         swl_idx = 0;
3348
3349         /* Allocate temporary fcport for any new fcports discovered. */
3350         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3351         if (new_fcport == NULL) {
3352                 ql_log(ql_log_warn, vha, 0x205e,
3353                     "Failed to allocate memory for fcport.\n");
3354                 return (QLA_MEMORY_ALLOC_FAILED);
3355         }
3356         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3357         /* Set start port ID scan at adapter ID. */
3358         first_dev = 1;
3359         last_dev = 0;
3360
3361         /* Starting free loop ID. */
3362         loop_id = ha->min_external_loopid;
3363         for (; loop_id <= ha->max_loop_id; loop_id++) {
3364                 if (qla2x00_is_reserved_id(vha, loop_id))
3365                         continue;
3366
3367                 if (ha->current_topology == ISP_CFG_FL &&
3368                     (atomic_read(&vha->loop_down_timer) ||
3369                      LOOP_TRANSITION(vha))) {
3370                         atomic_set(&vha->loop_down_timer, 0);
3371                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3372                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3373                         break;
3374                 }
3375
3376                 if (swl != NULL) {
3377                         if (last_dev) {
3378                                 wrap.b24 = new_fcport->d_id.b24;
3379                         } else {
3380                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3381                                 memcpy(new_fcport->node_name,
3382                                     swl[swl_idx].node_name, WWN_SIZE);
3383                                 memcpy(new_fcport->port_name,
3384                                     swl[swl_idx].port_name, WWN_SIZE);
3385                                 memcpy(new_fcport->fabric_port_name,
3386                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3387                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3388                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3389
3390                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3391                                         last_dev = 1;
3392                                 }
3393                                 swl_idx++;
3394                         }
3395                 } else {
3396                         /* Send GA_NXT to the switch */
3397                         rval = qla2x00_ga_nxt(vha, new_fcport);
3398                         if (rval != QLA_SUCCESS) {
3399                                 ql_log(ql_log_warn, vha, 0x2064,
3400                                     "SNS scan failed -- assuming "
3401                                     "zero-entry result.\n");
3402                                 list_for_each_entry_safe(fcport, fcptemp,
3403                                     new_fcports, list) {
3404                                         list_del(&fcport->list);
3405                                         kfree(fcport);
3406                                 }
3407                                 rval = QLA_SUCCESS;
3408                                 break;
3409                         }
3410                 }
3411
3412                 /* If wrap on switch device list, exit. */
3413                 if (first_dev) {
3414                         wrap.b24 = new_fcport->d_id.b24;
3415                         first_dev = 0;
3416                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3417                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3418                             "Device wrap (%02x%02x%02x).\n",
3419                             new_fcport->d_id.b.domain,
3420                             new_fcport->d_id.b.area,
3421                             new_fcport->d_id.b.al_pa);
3422                         break;
3423                 }
3424
3425                 /* Bypass if same physical adapter. */
3426                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3427                         continue;
3428
3429                 /* Bypass virtual ports of the same host. */
3430                 found = 0;
3431                 if (ha->num_vhosts) {
3432                         unsigned long flags;
3433
3434                         spin_lock_irqsave(&ha->vport_slock, flags);
3435                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3436                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3437                                         found = 1;
3438                                         break;
3439                                 }
3440                         }
3441                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3442
3443                         if (found)
3444                                 continue;
3445                 }
3446
3447                 /* Bypass if same domain and area of adapter. */
3448                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3449                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3450                         ISP_CFG_FL)
3451                             continue;
3452
3453                 /* Bypass reserved domain fields. */
3454                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3455                         continue;
3456
3457                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3458                 if (ql2xgffidenable &&
3459                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3460                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3461                         continue;
3462
3463                 /* Locate matching device in database. */
3464                 found = 0;
3465                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3466                         if (memcmp(new_fcport->port_name, fcport->port_name,
3467                             WWN_SIZE))
3468                                 continue;
3469
3470                         fcport->scan_state = QLA_FCPORT_SCAN_FOUND;
3471
3472                         found++;
3473
3474                         /* Update port state. */
3475                         memcpy(fcport->fabric_port_name,
3476                             new_fcport->fabric_port_name, WWN_SIZE);
3477                         fcport->fp_speed = new_fcport->fp_speed;
3478
3479                         /*
3480                          * If address the same and state FCS_ONLINE, nothing
3481                          * changed.
3482                          */
3483                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3484                             atomic_read(&fcport->state) == FCS_ONLINE) {
3485                                 break;
3486                         }
3487
3488                         /*
3489                          * If device was not a fabric device before.
3490                          */
3491                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3492                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3493                                 qla2x00_clear_loop_id(fcport);
3494                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3495                                     FCF_LOGIN_NEEDED);
3496                                 break;
3497                         }
3498
3499                         /*
3500                          * Port ID changed or device was marked to be updated;
3501                          * Log it out if still logged in and mark it for
3502                          * relogin later.
3503                          */
3504                         fcport->d_id.b24 = new_fcport->d_id.b24;
3505                         fcport->flags |= FCF_LOGIN_NEEDED;
3506                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3507                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3508                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3509                             fcport->port_type != FCT_INITIATOR &&
3510                             fcport->port_type != FCT_BROADCAST) {
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_clear_loop_id(fcport);
3515                         }
3516
3517                         break;
3518                 }
3519
3520                 if (found)
3521                         continue;
3522                 /* If device was not in our fcports list, then add it. */
3523                 list_add_tail(&new_fcport->list, new_fcports);
3524
3525                 /* Allocate a new replacement fcport. */
3526                 nxt_d_id.b24 = new_fcport->d_id.b24;
3527                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3528                 if (new_fcport == NULL) {
3529                         ql_log(ql_log_warn, vha, 0x2066,
3530                             "Memory allocation failed for fcport.\n");
3531                         return (QLA_MEMORY_ALLOC_FAILED);
3532                 }
3533                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3534                 new_fcport->d_id.b24 = nxt_d_id.b24;
3535         }
3536
3537         kfree(new_fcport);
3538
3539         return (rval);
3540 }
3541
3542 /*
3543  * qla2x00_find_new_loop_id
3544  *      Scan through our port list and find a new usable loop ID.
3545  *
3546  * Input:
3547  *      ha:     adapter state pointer.
3548  *      dev:    port structure pointer.
3549  *
3550  * Returns:
3551  *      qla2x00 local function return status code.
3552  *
3553  * Context:
3554  *      Kernel context.
3555  */
3556 int
3557 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3558 {
3559         int     rval;
3560         struct qla_hw_data *ha = vha->hw;
3561         unsigned long flags = 0;
3562
3563         rval = QLA_SUCCESS;
3564
3565         spin_lock_irqsave(&ha->vport_slock, flags);
3566
3567         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3568             LOOPID_MAP_SIZE);
3569         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3570             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3571                 dev->loop_id = FC_NO_LOOP_ID;
3572                 rval = QLA_FUNCTION_FAILED;
3573         } else
3574                 set_bit(dev->loop_id, ha->loop_id_map);
3575
3576         spin_unlock_irqrestore(&ha->vport_slock, flags);
3577
3578         if (rval == QLA_SUCCESS)
3579                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3580                     "Assigning new loopid=%x, portid=%x.\n",
3581                     dev->loop_id, dev->d_id.b24);
3582         else
3583                 ql_log(ql_log_warn, dev->vha, 0x2087,
3584                     "No loop_id's available, portid=%x.\n",
3585                     dev->d_id.b24);
3586
3587         return (rval);
3588 }
3589
3590 /*
3591  * qla2x00_fabric_dev_login
3592  *      Login fabric target device and update FC port database.
3593  *
3594  * Input:
3595  *      ha:             adapter state pointer.
3596  *      fcport:         port structure list pointer.
3597  *      next_loopid:    contains value of a new loop ID that can be used
3598  *                      by the next login attempt.
3599  *
3600  * Returns:
3601  *      qla2x00 local function return status code.
3602  *
3603  * Context:
3604  *      Kernel context.
3605  */
3606 static int
3607 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3608     uint16_t *next_loopid)
3609 {
3610         int     rval;
3611         int     retry;
3612         uint8_t opts;
3613         struct qla_hw_data *ha = vha->hw;
3614
3615         rval = QLA_SUCCESS;
3616         retry = 0;
3617
3618         if (IS_ALOGIO_CAPABLE(ha)) {
3619                 if (fcport->flags & FCF_ASYNC_SENT)
3620                         return rval;
3621                 fcport->flags |= FCF_ASYNC_SENT;
3622                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3623                 if (!rval)
3624                         return rval;
3625         }
3626
3627         fcport->flags &= ~FCF_ASYNC_SENT;
3628         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3629         if (rval == QLA_SUCCESS) {
3630                 /* Send an ADISC to FCP2 devices.*/
3631                 opts = 0;
3632                 if (fcport->flags & FCF_FCP2_DEVICE)
3633                         opts |= BIT_1;
3634                 rval = qla2x00_get_port_database(vha, fcport, opts);
3635                 if (rval != QLA_SUCCESS) {
3636                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3637                             fcport->d_id.b.domain, fcport->d_id.b.area,
3638                             fcport->d_id.b.al_pa);
3639                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3640                 } else {
3641                         qla2x00_update_fcport(vha, fcport);
3642                 }
3643         } else {
3644                 /* Retry Login. */
3645                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3646         }
3647
3648         return (rval);
3649 }
3650
3651 /*
3652  * qla2x00_fabric_login
3653  *      Issue fabric login command.
3654  *
3655  * Input:
3656  *      ha = adapter block pointer.
3657  *      device = pointer to FC device type structure.
3658  *
3659  * Returns:
3660  *      0 - Login successfully
3661  *      1 - Login failed
3662  *      2 - Initiator device
3663  *      3 - Fatal error
3664  */
3665 int
3666 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3667     uint16_t *next_loopid)
3668 {
3669         int     rval;
3670         int     retry;
3671         uint16_t tmp_loopid;
3672         uint16_t mb[MAILBOX_REGISTER_COUNT];
3673         struct qla_hw_data *ha = vha->hw;
3674
3675         retry = 0;
3676         tmp_loopid = 0;
3677
3678         for (;;) {
3679                 ql_dbg(ql_dbg_disc, vha, 0x2000,
3680                     "Trying Fabric Login w/loop id 0x%04x for port "
3681                     "%02x%02x%02x.\n",
3682                     fcport->loop_id, fcport->d_id.b.domain,
3683                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
3684
3685                 /* Login fcport on switch. */
3686                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
3687                     fcport->d_id.b.domain, fcport->d_id.b.area,
3688                     fcport->d_id.b.al_pa, mb, BIT_0);
3689                 if (rval != QLA_SUCCESS) {
3690                         return rval;
3691                 }
3692                 if (mb[0] == MBS_PORT_ID_USED) {
3693                         /*
3694                          * Device has another loop ID.  The firmware team
3695                          * recommends the driver perform an implicit login with
3696                          * the specified ID again. The ID we just used is save
3697                          * here so we return with an ID that can be tried by
3698                          * the next login.
3699                          */
3700                         retry++;
3701                         tmp_loopid = fcport->loop_id;
3702                         fcport->loop_id = mb[1];
3703
3704                         ql_dbg(ql_dbg_disc, vha, 0x2001,
3705                             "Fabric Login: port in use - next loop "
3706                             "id=0x%04x, port id= %02x%02x%02x.\n",
3707                             fcport->loop_id, fcport->d_id.b.domain,
3708                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
3709
3710                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3711                         /*
3712                          * Login succeeded.
3713                          */
3714                         if (retry) {
3715                                 /* A retry occurred before. */
3716                                 *next_loopid = tmp_loopid;
3717                         } else {
3718                                 /*
3719                                  * No retry occurred before. Just increment the
3720                                  * ID value for next login.
3721                                  */
3722                                 *next_loopid = (fcport->loop_id + 1);
3723                         }
3724
3725                         if (mb[1] & BIT_0) {
3726                                 fcport->port_type = FCT_INITIATOR;
3727                         } else {
3728                                 fcport->port_type = FCT_TARGET;
3729                                 if (mb[1] & BIT_1) {
3730                                         fcport->flags |= FCF_FCP2_DEVICE;
3731                                 }
3732                         }
3733
3734                         if (mb[10] & BIT_0)
3735                                 fcport->supported_classes |= FC_COS_CLASS2;
3736                         if (mb[10] & BIT_1)
3737                                 fcport->supported_classes |= FC_COS_CLASS3;
3738
3739                         if (IS_FWI2_CAPABLE(ha)) {
3740                                 if (mb[10] & BIT_7)
3741                                         fcport->flags |=
3742                                             FCF_CONF_COMP_SUPPORTED;
3743                         }
3744
3745                         rval = QLA_SUCCESS;
3746                         break;
3747                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3748                         /*
3749                          * Loop ID already used, try next loop ID.
3750                          */
3751                         fcport->loop_id++;
3752                         rval = qla2x00_find_new_loop_id(vha, fcport);
3753                         if (rval != QLA_SUCCESS) {
3754                                 /* Ran out of loop IDs to use */
3755                                 break;
3756                         }
3757                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3758                         /*
3759                          * Firmware possibly timed out during login. If NO
3760                          * retries are left to do then the device is declared
3761                          * dead.
3762                          */
3763                         *next_loopid = fcport->loop_id;
3764                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3765                             fcport->d_id.b.domain, fcport->d_id.b.area,
3766                             fcport->d_id.b.al_pa);
3767                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3768
3769                         rval = 1;
3770                         break;
3771                 } else {
3772                         /*
3773                          * unrecoverable / not handled error
3774                          */
3775                         ql_dbg(ql_dbg_disc, vha, 0x2002,
3776                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3777                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3778                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
3779                             fcport->loop_id, jiffies);
3780
3781                         *next_loopid = fcport->loop_id;
3782                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3783                             fcport->d_id.b.domain, fcport->d_id.b.area,
3784                             fcport->d_id.b.al_pa);
3785                         qla2x00_clear_loop_id(fcport);
3786                         fcport->login_retry = 0;
3787
3788                         rval = 3;
3789                         break;
3790                 }
3791         }
3792
3793         return (rval);
3794 }
3795
3796 /*
3797  * qla2x00_local_device_login
3798  *      Issue local device login command.
3799  *
3800  * Input:
3801  *      ha = adapter block pointer.
3802  *      loop_id = loop id of device to login to.
3803  *
3804  * Returns (Where's the #define!!!!):
3805  *      0 - Login successfully
3806  *      1 - Login failed
3807  *      3 - Fatal error
3808  */
3809 int
3810 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3811 {
3812         int             rval;
3813         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3814
3815         memset(mb, 0, sizeof(mb));
3816         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3817         if (rval == QLA_SUCCESS) {
3818                 /* Interrogate mailbox registers for any errors */
3819                 if (mb[0] == MBS_COMMAND_ERROR)
3820                         rval = 1;
3821                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3822                         /* device not in PCB table */
3823                         rval = 3;
3824         }
3825
3826         return (rval);
3827 }
3828
3829 /*
3830  *  qla2x00_loop_resync
3831  *      Resync with fibre channel devices.
3832  *
3833  * Input:
3834  *      ha = adapter block pointer.
3835  *
3836  * Returns:
3837  *      0 = success
3838  */
3839 int
3840 qla2x00_loop_resync(scsi_qla_host_t *vha)
3841 {
3842         int rval = QLA_SUCCESS;
3843         uint32_t wait_time;
3844         struct req_que *req;
3845         struct rsp_que *rsp;
3846
3847         if (vha->hw->flags.cpu_affinity_enabled)
3848                 req = vha->hw->req_q_map[0];
3849         else
3850                 req = vha->req;
3851         rsp = req->rsp;
3852
3853         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3854         if (vha->flags.online) {
3855                 if (!(rval = qla2x00_fw_ready(vha))) {
3856                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3857                         wait_time = 256;
3858                         do {
3859                                 /* Issue a marker after FW becomes ready. */
3860                                 qla2x00_marker(vha, req, rsp, 0, 0,
3861                                         MK_SYNC_ALL);
3862                                 vha->marker_needed = 0;
3863
3864                                 /* Remap devices on Loop. */
3865                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3866
3867                                 qla2x00_configure_loop(vha);
3868                                 wait_time--;
3869                         } while (!atomic_read(&vha->loop_down_timer) &&
3870                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3871                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3872                                 &vha->dpc_flags)));
3873                 }
3874         }
3875
3876         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3877                 return (QLA_FUNCTION_FAILED);
3878
3879         if (rval)
3880                 ql_dbg(ql_dbg_disc, vha, 0x206c,
3881                     "%s *** FAILED ***.\n", __func__);
3882
3883         return (rval);
3884 }
3885
3886 /*
3887 * qla2x00_perform_loop_resync
3888 * Description: This function will set the appropriate flags and call
3889 *              qla2x00_loop_resync. If successful loop will be resynced
3890 * Arguments : scsi_qla_host_t pointer
3891 * returm    : Success or Failure
3892 */
3893
3894 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3895 {
3896         int32_t rval = 0;
3897
3898         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3899                 /*Configure the flags so that resync happens properly*/
3900                 atomic_set(&ha->loop_down_timer, 0);
3901                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3902                         atomic_set(&ha->loop_state, LOOP_UP);
3903                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3904                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3905                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3906
3907                         rval = qla2x00_loop_resync(ha);
3908                 } else
3909                         atomic_set(&ha->loop_state, LOOP_DEAD);
3910
3911                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3912         }
3913
3914         return rval;
3915 }
3916
3917 void
3918 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3919 {
3920         fc_port_t *fcport;
3921         struct scsi_qla_host *vha;
3922         struct qla_hw_data *ha = base_vha->hw;
3923         unsigned long flags;
3924
3925         spin_lock_irqsave(&ha->vport_slock, flags);
3926         /* Go with deferred removal of rport references. */
3927         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3928                 atomic_inc(&vha->vref_count);
3929                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3930                         if (fcport->drport &&
3931                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3932                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3933
3934                                 qla2x00_rport_del(fcport);
3935
3936                                 spin_lock_irqsave(&ha->vport_slock, flags);
3937                         }
3938                 }
3939                 atomic_dec(&vha->vref_count);
3940         }
3941         spin_unlock_irqrestore(&ha->vport_slock, flags);
3942 }
3943
3944 /* Assumes idc_lock always held on entry */
3945 void
3946 qla83xx_reset_ownership(scsi_qla_host_t *vha)
3947 {
3948         struct qla_hw_data *ha = vha->hw;
3949         uint32_t drv_presence, drv_presence_mask;
3950         uint32_t dev_part_info1, dev_part_info2, class_type;
3951         uint32_t class_type_mask = 0x3;
3952         uint16_t fcoe_other_function = 0xffff, i;
3953
3954         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
3955
3956         qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
3957         qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
3958         for (i = 0; i < 8; i++) {
3959                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
3960                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
3961                     (i != ha->portnum)) {
3962                         fcoe_other_function = i;
3963                         break;
3964                 }
3965         }
3966         if (fcoe_other_function == 0xffff) {
3967                 for (i = 0; i < 8; i++) {
3968                         class_type = ((dev_part_info2 >> (i * 4)) &
3969                             class_type_mask);
3970                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
3971                             ((i + 8) != ha->portnum)) {
3972                                 fcoe_other_function = i + 8;
3973                                 break;
3974                         }
3975                 }
3976         }
3977         /*
3978          * Prepare drv-presence mask based on fcoe functions present.
3979          * However consider only valid physical fcoe function numbers (0-15).
3980          */
3981         drv_presence_mask = ~((1 << (ha->portnum)) |
3982                         ((fcoe_other_function == 0xffff) ?
3983                          0 : (1 << (fcoe_other_function))));
3984
3985         /* We are the reset owner iff:
3986          *    - No other protocol drivers present.
3987          *    - This is the lowest among fcoe functions. */
3988         if (!(drv_presence & drv_presence_mask) &&
3989                         (ha->portnum < fcoe_other_function)) {
3990                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
3991                     "This host is Reset owner.\n");
3992                 ha->flags.nic_core_reset_owner = 1;
3993         }
3994 }
3995
3996 static int
3997 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
3998 {
3999         int rval = QLA_SUCCESS;
4000         struct qla_hw_data *ha = vha->hw;
4001         uint32_t drv_ack;
4002
4003         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4004         if (rval == QLA_SUCCESS) {
4005                 drv_ack |= (1 << ha->portnum);
4006                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4007         }
4008
4009         return rval;
4010 }
4011
4012 static int
4013 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4014 {
4015         int rval = QLA_SUCCESS;
4016         struct qla_hw_data *ha = vha->hw;
4017         uint32_t drv_ack;
4018
4019         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4020         if (rval == QLA_SUCCESS) {
4021                 drv_ack &= ~(1 << ha->portnum);
4022                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4023         }
4024
4025         return rval;
4026 }
4027
4028 static const char *
4029 qla83xx_dev_state_to_string(uint32_t dev_state)
4030 {
4031         switch (dev_state) {
4032         case QLA8XXX_DEV_COLD:
4033                 return "COLD/RE-INIT";
4034         case QLA8XXX_DEV_INITIALIZING:
4035                 return "INITIALIZING";
4036         case QLA8XXX_DEV_READY:
4037                 return "READY";
4038         case QLA8XXX_DEV_NEED_RESET:
4039                 return "NEED RESET";
4040         case QLA8XXX_DEV_NEED_QUIESCENT:
4041                 return "NEED QUIESCENT";
4042         case QLA8XXX_DEV_FAILED:
4043                 return "FAILED";
4044         case QLA8XXX_DEV_QUIESCENT:
4045                 return "QUIESCENT";
4046         default:
4047                 return "Unknown";
4048         }
4049 }
4050
4051 /* Assumes idc-lock always held on entry */
4052 void
4053 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4054 {
4055         struct qla_hw_data *ha = vha->hw;
4056         uint32_t idc_audit_reg = 0, duration_secs = 0;
4057
4058         switch (audit_type) {
4059         case IDC_AUDIT_TIMESTAMP:
4060                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4061                 idc_audit_reg = (ha->portnum) |
4062                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4063                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4064                 break;
4065
4066         case IDC_AUDIT_COMPLETION:
4067                 duration_secs = ((jiffies_to_msecs(jiffies) -
4068                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4069                 idc_audit_reg = (ha->portnum) |
4070                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4071                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4072                 break;
4073
4074         default:
4075                 ql_log(ql_log_warn, vha, 0xb078,
4076                     "Invalid audit type specified.\n");
4077                 break;
4078         }
4079 }
4080
4081 /* Assumes idc_lock always held on entry */
4082 static int
4083 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4084 {
4085         struct qla_hw_data *ha = vha->hw;
4086         uint32_t  idc_control, dev_state;
4087
4088         __qla83xx_get_idc_control(vha, &idc_control);
4089         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4090                 ql_log(ql_log_info, vha, 0xb080,
4091                     "NIC Core reset has been disabled. idc-control=0x%x\n",
4092                     idc_control);
4093                 return QLA_FUNCTION_FAILED;
4094         }
4095
4096         /* Set NEED-RESET iff in READY state and we are the reset-owner */
4097         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4098         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4099                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4100                     QLA8XXX_DEV_NEED_RESET);
4101                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4102                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4103         } else {
4104                 const char *state = qla83xx_dev_state_to_string(dev_state);
4105                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4106
4107                 /* SV: XXX: Is timeout required here? */
4108                 /* Wait for IDC state change READY -> NEED_RESET */
4109                 while (dev_state == QLA8XXX_DEV_READY) {
4110                         qla83xx_idc_unlock(vha, 0);
4111                         msleep(200);
4112                         qla83xx_idc_lock(vha, 0);
4113                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4114                 }
4115         }
4116
4117         /* Send IDC ack by writing to drv-ack register */
4118         __qla83xx_set_drv_ack(vha);
4119
4120         return QLA_SUCCESS;
4121 }
4122
4123 int
4124 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4125 {
4126         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4127 }
4128
4129 int
4130 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4131 {
4132         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4133 }
4134
4135 static int
4136 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4137 {
4138         uint32_t drv_presence = 0;
4139         struct qla_hw_data *ha = vha->hw;
4140
4141         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4142         if (drv_presence & (1 << ha->portnum))
4143                 return QLA_SUCCESS;
4144         else
4145                 return QLA_TEST_FAILED;
4146 }
4147
4148 int
4149 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4150 {
4151         int rval = QLA_SUCCESS;
4152         struct qla_hw_data *ha = vha->hw;
4153
4154         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4155             "Entered  %s().\n", __func__);
4156
4157         if (vha->device_flags & DFLG_DEV_FAILED) {
4158                 ql_log(ql_log_warn, vha, 0xb059,
4159                     "Device in unrecoverable FAILED state.\n");
4160                 return QLA_FUNCTION_FAILED;
4161         }
4162
4163         qla83xx_idc_lock(vha, 0);
4164
4165         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4166                 ql_log(ql_log_warn, vha, 0xb05a,
4167                     "Function=0x%x has been removed from IDC participation.\n",
4168                     ha->portnum);
4169                 rval = QLA_FUNCTION_FAILED;
4170                 goto exit;
4171         }
4172
4173         qla83xx_reset_ownership(vha);
4174
4175         rval = qla83xx_initiating_reset(vha);
4176
4177         /*
4178          * Perform reset if we are the reset-owner,
4179          * else wait till IDC state changes to READY/FAILED.
4180          */
4181         if (rval == QLA_SUCCESS) {
4182                 rval = qla83xx_idc_state_handler(vha);
4183
4184                 if (rval == QLA_SUCCESS)
4185                         ha->flags.nic_core_hung = 0;
4186                 __qla83xx_clear_drv_ack(vha);
4187         }
4188
4189 exit:
4190         qla83xx_idc_unlock(vha, 0);
4191
4192         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4193
4194         return rval;
4195 }
4196
4197 int
4198 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4199 {
4200         struct qla_hw_data *ha = vha->hw;
4201         int rval = QLA_FUNCTION_FAILED;
4202
4203         if (!IS_MCTP_CAPABLE(ha)) {
4204                 /* This message can be removed from the final version */
4205                 ql_log(ql_log_info, vha, 0x506d,
4206                     "This board is not MCTP capable\n");
4207                 return rval;
4208         }
4209
4210         if (!ha->mctp_dump) {
4211                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4212                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4213
4214                 if (!ha->mctp_dump) {
4215                         ql_log(ql_log_warn, vha, 0x506e,
4216                             "Failed to allocate memory for mctp dump\n");
4217                         return rval;
4218                 }
4219         }
4220
4221 #define MCTP_DUMP_STR_ADDR      0x00000000
4222         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4223             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4224         if (rval != QLA_SUCCESS) {
4225                 ql_log(ql_log_warn, vha, 0x506f,
4226                     "Failed to capture mctp dump\n");
4227         } else {
4228                 ql_log(ql_log_info, vha, 0x5070,
4229                     "Mctp dump capture for host (%ld/%p).\n",
4230                     vha->host_no, ha->mctp_dump);
4231                 ha->mctp_dumped = 1;
4232         }
4233
4234         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4235                 ha->flags.nic_core_reset_hdlr_active = 1;
4236                 rval = qla83xx_restart_nic_firmware(vha);
4237                 if (rval)
4238                         /* NIC Core reset failed. */
4239                         ql_log(ql_log_warn, vha, 0x5071,
4240                             "Failed to restart nic firmware\n");
4241                 else
4242                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4243                             "Restarted NIC firmware successfully.\n");
4244                 ha->flags.nic_core_reset_hdlr_active = 0;
4245         }
4246
4247         return rval;
4248
4249 }
4250
4251 /*
4252 * qla2x00_quiesce_io
4253 * Description: This function will block the new I/Os
4254 *              Its not aborting any I/Os as context
4255 *              is not destroyed during quiescence
4256 * Arguments: scsi_qla_host_t
4257 * return   : void
4258 */
4259 void
4260 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4261 {
4262         struct qla_hw_data *ha = vha->hw;
4263         struct scsi_qla_host *vp;
4264
4265         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4266             "Quiescing I/O - ha=%p.\n", ha);
4267
4268         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4269         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4270                 atomic_set(&vha->loop_state, LOOP_DOWN);
4271                 qla2x00_mark_all_devices_lost(vha, 0);
4272                 list_for_each_entry(vp, &ha->vp_list, list)
4273                         qla2x00_mark_all_devices_lost(vp, 0);
4274         } else {
4275                 if (!atomic_read(&vha->loop_down_timer))
4276                         atomic_set(&vha->loop_down_timer,
4277                                         LOOP_DOWN_TIME);
4278         }
4279         /* Wait for pending cmds to complete */
4280         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4281 }
4282
4283 void
4284 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4285 {
4286         struct qla_hw_data *ha = vha->hw;
4287         struct scsi_qla_host *vp;
4288         unsigned long flags;
4289         fc_port_t *fcport;
4290
4291         /* For ISP82XX, driver waits for completion of the commands.
4292          * online flag should be set.
4293          */
4294         if (!IS_QLA82XX(ha))
4295                 vha->flags.online = 0;
4296         ha->flags.chip_reset_done = 0;
4297         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4298         vha->qla_stats.total_isp_aborts++;
4299
4300         ql_log(ql_log_info, vha, 0x00af,
4301             "Performing ISP error recovery - ha=%p.\n", ha);
4302
4303         /* For ISP82XX, reset_chip is just disabling interrupts.
4304          * Driver waits for the completion of the commands.
4305          * the interrupts need to be enabled.
4306          */
4307         if (!IS_QLA82XX(ha))
4308                 ha->isp_ops->reset_chip(vha);
4309
4310         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4311         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4312                 atomic_set(&vha->loop_state, LOOP_DOWN);
4313                 qla2x00_mark_all_devices_lost(vha, 0);
4314
4315                 spin_lock_irqsave(&ha->vport_slock, flags);
4316                 list_for_each_entry(vp, &ha->vp_list, list) {
4317                         atomic_inc(&vp->vref_count);
4318                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4319
4320                         qla2x00_mark_all_devices_lost(vp, 0);
4321
4322                         spin_lock_irqsave(&ha->vport_slock, flags);
4323                         atomic_dec(&vp->vref_count);
4324                 }
4325                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4326         } else {
4327                 if (!atomic_read(&vha->loop_down_timer))
4328                         atomic_set(&vha->loop_down_timer,
4329                             LOOP_DOWN_TIME);
4330         }
4331
4332         /* Clear all async request states across all VPs. */
4333         list_for_each_entry(fcport, &vha->vp_fcports, list)
4334                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4335         spin_lock_irqsave(&ha->vport_slock, flags);
4336         list_for_each_entry(vp, &ha->vp_list, list) {
4337                 atomic_inc(&vp->vref_count);
4338                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4339
4340                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4341                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4342
4343                 spin_lock_irqsave(&ha->vport_slock, flags);
4344                 atomic_dec(&vp->vref_count);
4345         }
4346         spin_unlock_irqrestore(&ha->vport_slock, flags);
4347
4348         if (!ha->flags.eeh_busy) {
4349                 /* Make sure for ISP 82XX IO DMA is complete */
4350                 if (IS_QLA82XX(ha)) {
4351                         qla82xx_chip_reset_cleanup(vha);
4352                         ql_log(ql_log_info, vha, 0x00b4,
4353                             "Done chip reset cleanup.\n");
4354
4355                         /* Done waiting for pending commands.
4356                          * Reset the online flag.
4357                          */
4358                         vha->flags.online = 0;
4359                 }
4360
4361                 /* Requeue all commands in outstanding command list. */
4362                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4363         }
4364 }
4365
4366 /*
4367 *  qla2x00_abort_isp
4368 *      Resets ISP and aborts all outstanding commands.
4369 *
4370 * Input:
4371 *      ha           = adapter block pointer.
4372 *
4373 * Returns:
4374 *      0 = success
4375 */
4376 int
4377 qla2x00_abort_isp(scsi_qla_host_t *vha)
4378 {
4379         int rval;
4380         uint8_t        status = 0;
4381         struct qla_hw_data *ha = vha->hw;
4382         struct scsi_qla_host *vp;
4383         struct req_que *req = ha->req_q_map[0];
4384         unsigned long flags;
4385
4386         if (vha->flags.online) {
4387                 qla2x00_abort_isp_cleanup(vha);
4388
4389                 if (IS_QLA8031(ha)) {
4390                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4391                             "Clearing fcoe driver presence.\n");
4392                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4393                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4394                                     "Error while clearing DRV-Presence.\n");
4395                 }
4396
4397                 if (unlikely(pci_channel_offline(ha->pdev) &&
4398                     ha->flags.pci_channel_io_perm_failure)) {
4399                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4400                         status = 0;
4401                         return status;
4402                 }
4403
4404                 ha->isp_ops->get_flash_version(vha, req->ring);
4405
4406                 ha->isp_ops->nvram_config(vha);
4407
4408                 if (!qla2x00_restart_isp(vha)) {
4409                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4410
4411                         if (!atomic_read(&vha->loop_down_timer)) {
4412                                 /*
4413                                  * Issue marker command only when we are going
4414                                  * to start the I/O .
4415                                  */
4416                                 vha->marker_needed = 1;
4417                         }
4418
4419                         vha->flags.online = 1;
4420
4421                         ha->isp_ops->enable_intrs(ha);
4422
4423                         ha->isp_abort_cnt = 0;
4424                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4425
4426                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4427                                 qla2x00_get_fw_version(vha);
4428                         if (ha->fce) {
4429                                 ha->flags.fce_enabled = 1;
4430                                 memset(ha->fce, 0,
4431                                     fce_calc_size(ha->fce_bufs));
4432                                 rval = qla2x00_enable_fce_trace(vha,
4433                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4434                                     &ha->fce_bufs);
4435                                 if (rval) {
4436                                         ql_log(ql_log_warn, vha, 0x8033,
4437                                             "Unable to reinitialize FCE "
4438                                             "(%d).\n", rval);
4439                                         ha->flags.fce_enabled = 0;
4440                                 }
4441                         }
4442
4443                         if (ha->eft) {
4444                                 memset(ha->eft, 0, EFT_SIZE);
4445                                 rval = qla2x00_enable_eft_trace(vha,
4446                                     ha->eft_dma, EFT_NUM_BUFFERS);
4447                                 if (rval) {
4448                                         ql_log(ql_log_warn, vha, 0x8034,
4449                                             "Unable to reinitialize EFT "
4450                                             "(%d).\n", rval);
4451                                 }
4452                         }
4453                 } else {        /* failed the ISP abort */
4454                         vha->flags.online = 1;
4455                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4456                                 if (ha->isp_abort_cnt == 0) {
4457                                         ql_log(ql_log_fatal, vha, 0x8035,
4458                                             "ISP error recover failed - "
4459                                             "board disabled.\n");
4460                                         /*
4461                                          * The next call disables the board
4462                                          * completely.
4463                                          */
4464                                         ha->isp_ops->reset_adapter(vha);
4465                                         vha->flags.online = 0;
4466                                         clear_bit(ISP_ABORT_RETRY,
4467                                             &vha->dpc_flags);
4468                                         status = 0;
4469                                 } else { /* schedule another ISP abort */
4470                                         ha->isp_abort_cnt--;
4471                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4472                                             "ISP abort - retry remaining %d.\n",
4473                                             ha->isp_abort_cnt);
4474                                         status = 1;
4475                                 }
4476                         } else {
4477                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4478                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4479                                     "ISP error recovery - retrying (%d) "
4480                                     "more times.\n", ha->isp_abort_cnt);
4481                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4482                                 status = 1;
4483                         }
4484                 }
4485
4486         }
4487
4488         if (!status) {
4489                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4490
4491                 spin_lock_irqsave(&ha->vport_slock, flags);
4492                 list_for_each_entry(vp, &ha->vp_list, list) {
4493                         if (vp->vp_idx) {
4494                                 atomic_inc(&vp->vref_count);
4495                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4496
4497                                 qla2x00_vp_abort_isp(vp);
4498
4499                                 spin_lock_irqsave(&ha->vport_slock, flags);
4500                                 atomic_dec(&vp->vref_count);
4501                         }
4502                 }
4503                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4504
4505                 if (IS_QLA8031(ha)) {
4506                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4507                             "Setting back fcoe driver presence.\n");
4508                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4509                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4510                                     "Error while setting DRV-Presence.\n");
4511                 }
4512         } else {
4513                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4514                        __func__);
4515         }
4516
4517         return(status);
4518 }
4519
4520 /*
4521 *  qla2x00_restart_isp
4522 *      restarts the ISP after a reset
4523 *
4524 * Input:
4525 *      ha = adapter block pointer.
4526 *
4527 * Returns:
4528 *      0 = success
4529 */
4530 static int
4531 qla2x00_restart_isp(scsi_qla_host_t *vha)
4532 {
4533         int status = 0;
4534         uint32_t wait_time;
4535         struct qla_hw_data *ha = vha->hw;
4536         struct req_que *req = ha->req_q_map[0];
4537         struct rsp_que *rsp = ha->rsp_q_map[0];
4538         unsigned long flags;
4539
4540         /* If firmware needs to be loaded */
4541         if (qla2x00_isp_firmware(vha)) {
4542                 vha->flags.online = 0;
4543                 status = ha->isp_ops->chip_diag(vha);
4544                 if (!status)
4545                         status = qla2x00_setup_chip(vha);
4546         }
4547
4548         if (!status && !(status = qla2x00_init_rings(vha))) {
4549                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4550                 ha->flags.chip_reset_done = 1;
4551                 /* Initialize the queues in use */
4552                 qla25xx_init_queues(ha);
4553
4554                 status = qla2x00_fw_ready(vha);
4555                 if (!status) {
4556                         ql_dbg(ql_dbg_taskm, vha, 0x8031,
4557                             "Start configure loop status = %d.\n", status);
4558
4559                         /* Issue a marker after FW becomes ready. */
4560                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4561
4562                         vha->flags.online = 1;
4563
4564                         /*
4565                          * Process any ATIO queue entries that came in
4566                          * while we weren't online.
4567                          */
4568                         spin_lock_irqsave(&ha->hardware_lock, flags);
4569                         if (qla_tgt_mode_enabled(vha))
4570                                 qlt_24xx_process_atio_queue(vha);
4571                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4572
4573                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4574                         wait_time = 256;
4575                         do {
4576                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4577                                 qla2x00_configure_loop(vha);
4578                                 wait_time--;
4579                         } while (!atomic_read(&vha->loop_down_timer) &&
4580                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4581                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4582                                 &vha->dpc_flags)));
4583                 }
4584
4585                 /* if no cable then assume it's good */
4586                 if ((vha->device_flags & DFLG_NO_CABLE))
4587                         status = 0;
4588
4589                 ql_dbg(ql_dbg_taskm, vha, 0x8032,
4590                     "Configure loop done, status = 0x%x.\n", status);
4591         }
4592         return (status);
4593 }
4594
4595 static int
4596 qla25xx_init_queues(struct qla_hw_data *ha)
4597 {
4598         struct rsp_que *rsp = NULL;
4599         struct req_que *req = NULL;
4600         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4601         int ret = -1;
4602         int i;
4603
4604         for (i = 1; i < ha->max_rsp_queues; i++) {
4605                 rsp = ha->rsp_q_map[i];
4606                 if (rsp) {
4607                         rsp->options &= ~BIT_0;
4608                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4609                         if (ret != QLA_SUCCESS)
4610                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4611                                     "%s Rsp que: %d init failed.\n",
4612                                     __func__, rsp->id);
4613                         else
4614                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4615                                     "%s Rsp que: %d inited.\n",
4616                                     __func__, rsp->id);
4617                 }
4618         }
4619         for (i = 1; i < ha->max_req_queues; i++) {
4620                 req = ha->req_q_map[i];
4621                 if (req) {
4622                 /* Clear outstanding commands array. */
4623                         req->options &= ~BIT_0;
4624                         ret = qla25xx_init_req_que(base_vha, req);
4625                         if (ret != QLA_SUCCESS)
4626                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4627                                     "%s Req que: %d init failed.\n",
4628                                     __func__, req->id);
4629                         else
4630                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4631                                     "%s Req que: %d inited.\n",
4632                                     __func__, req->id);
4633                 }
4634         }
4635         return ret;
4636 }
4637
4638 /*
4639 * qla2x00_reset_adapter
4640 *      Reset adapter.
4641 *
4642 * Input:
4643 *      ha = adapter block pointer.
4644 */
4645 void
4646 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4647 {
4648         unsigned long flags = 0;
4649         struct qla_hw_data *ha = vha->hw;
4650         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4651
4652         vha->flags.online = 0;
4653         ha->isp_ops->disable_intrs(ha);
4654
4655         spin_lock_irqsave(&ha->hardware_lock, flags);
4656         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4657         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4658         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4659         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4660         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4661 }
4662
4663 void
4664 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4665 {
4666         unsigned long flags = 0;
4667         struct qla_hw_data *ha = vha->hw;
4668         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4669
4670         if (IS_QLA82XX(ha))
4671                 return;
4672
4673         vha->flags.online = 0;
4674         ha->isp_ops->disable_intrs(ha);
4675
4676         spin_lock_irqsave(&ha->hardware_lock, flags);
4677         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4678         RD_REG_DWORD(&reg->hccr);
4679         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4680         RD_REG_DWORD(&reg->hccr);
4681         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4682
4683         if (IS_NOPOLLING_TYPE(ha))
4684                 ha->isp_ops->enable_intrs(ha);
4685 }
4686
4687 /* On sparc systems, obtain port and node WWN from firmware
4688  * properties.
4689  */
4690 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4691         struct nvram_24xx *nv)
4692 {
4693 #ifdef CONFIG_SPARC
4694         struct qla_hw_data *ha = vha->hw;
4695         struct pci_dev *pdev = ha->pdev;
4696         struct device_node *dp = pci_device_to_OF_node(pdev);
4697         const u8 *val;
4698         int len;
4699
4700         val = of_get_property(dp, "port-wwn", &len);
4701         if (val && len >= WWN_SIZE)
4702                 memcpy(nv->port_name, val, WWN_SIZE);
4703
4704         val = of_get_property(dp, "node-wwn", &len);
4705         if (val && len >= WWN_SIZE)
4706                 memcpy(nv->node_name, val, WWN_SIZE);
4707 #endif
4708 }
4709
4710 int
4711 qla24xx_nvram_config(scsi_qla_host_t *vha)
4712 {
4713         int   rval;
4714         struct init_cb_24xx *icb;
4715         struct nvram_24xx *nv;
4716         uint32_t *dptr;
4717         uint8_t  *dptr1, *dptr2;
4718         uint32_t chksum;
4719         uint16_t cnt;
4720         struct qla_hw_data *ha = vha->hw;
4721
4722         rval = QLA_SUCCESS;
4723         icb = (struct init_cb_24xx *)ha->init_cb;
4724         nv = ha->nvram;
4725
4726         /* Determine NVRAM starting address. */
4727         if (ha->flags.port0) {
4728                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4729                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4730         } else {
4731                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4732                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4733         }
4734         ha->nvram_size = sizeof(struct nvram_24xx);
4735         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4736         if (IS_QLA82XX(ha))
4737                 ha->vpd_size = FA_VPD_SIZE_82XX;
4738
4739         /* Get VPD data into cache */
4740         ha->vpd = ha->nvram + VPD_OFFSET;
4741         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4742             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4743
4744         /* Get NVRAM data into cache and calculate checksum. */
4745         dptr = (uint32_t *)nv;
4746         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4747             ha->nvram_size);
4748         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4749                 chksum += le32_to_cpu(*dptr++);
4750
4751         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4752             "Contents of NVRAM\n");
4753         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4754             (uint8_t *)nv, ha->nvram_size);
4755
4756         /* Bad NVRAM data, set defaults parameters. */
4757         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4758             || nv->id[3] != ' ' ||
4759             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4760                 /* Reset NVRAM data. */
4761                 ql_log(ql_log_warn, vha, 0x006b,
4762                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
4763                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4764                 ql_log(ql_log_warn, vha, 0x006c,
4765                     "Falling back to functioning (yet invalid -- WWPN) "
4766                     "defaults.\n");
4767
4768                 /*
4769                  * Set default initialization control block.
4770                  */
4771                 memset(nv, 0, ha->nvram_size);
4772                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4773                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4774                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4775                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4776                 nv->exchange_count = __constant_cpu_to_le16(0);
4777                 nv->hard_address = __constant_cpu_to_le16(124);
4778                 nv->port_name[0] = 0x21;
4779                 nv->port_name[1] = 0x00 + ha->port_no;
4780                 nv->port_name[2] = 0x00;
4781                 nv->port_name[3] = 0xe0;
4782                 nv->port_name[4] = 0x8b;
4783                 nv->port_name[5] = 0x1c;
4784                 nv->port_name[6] = 0x55;
4785                 nv->port_name[7] = 0x86;
4786                 nv->node_name[0] = 0x20;
4787                 nv->node_name[1] = 0x00;
4788                 nv->node_name[2] = 0x00;
4789                 nv->node_name[3] = 0xe0;
4790                 nv->node_name[4] = 0x8b;
4791                 nv->node_name[5] = 0x1c;
4792                 nv->node_name[6] = 0x55;
4793                 nv->node_name[7] = 0x86;
4794                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4795                 nv->login_retry_count = __constant_cpu_to_le16(8);
4796                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4797                 nv->login_timeout = __constant_cpu_to_le16(0);
4798                 nv->firmware_options_1 =
4799                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4800                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4801                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4802                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4803                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4804                 nv->efi_parameters = __constant_cpu_to_le32(0);
4805                 nv->reset_delay = 5;
4806                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4807                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4808                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4809
4810                 rval = 1;
4811         }
4812
4813         if (!qla_ini_mode_enabled(vha)) {
4814                 /* Don't enable full login after initial LIP */
4815                 nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
4816                 /* Don't enable LIP full login for initiator */
4817                 nv->host_p &= __constant_cpu_to_le32(~BIT_10);
4818         }
4819
4820         qlt_24xx_config_nvram_stage1(vha, nv);
4821
4822         /* Reset Initialization control block */
4823         memset(icb, 0, ha->init_cb_size);
4824
4825         /* Copy 1st segment. */
4826         dptr1 = (uint8_t *)icb;
4827         dptr2 = (uint8_t *)&nv->version;
4828         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4829         while (cnt--)
4830                 *dptr1++ = *dptr2++;
4831
4832         icb->login_retry_count = nv->login_retry_count;
4833         icb->link_down_on_nos = nv->link_down_on_nos;
4834
4835         /* Copy 2nd segment. */
4836         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4837         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4838         cnt = (uint8_t *)&icb->reserved_3 -
4839             (uint8_t *)&icb->interrupt_delay_timer;
4840         while (cnt--)
4841                 *dptr1++ = *dptr2++;
4842
4843         /*
4844          * Setup driver NVRAM options.
4845          */
4846         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4847             "QLA2462");
4848
4849         qlt_24xx_config_nvram_stage2(vha, icb);
4850
4851         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4852                 /* Use alternate WWN? */
4853                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4854                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4855         }
4856
4857         /* Prepare nodename */
4858         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4859                 /*
4860                  * Firmware will apply the following mask if the nodename was
4861                  * not provided.
4862                  */
4863                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4864                 icb->node_name[0] &= 0xF0;
4865         }
4866
4867         /* Set host adapter parameters. */
4868         ha->flags.disable_risc_code_load = 0;
4869         ha->flags.enable_lip_reset = 0;
4870         ha->flags.enable_lip_full_login =
4871             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4872         ha->flags.enable_target_reset =
4873             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4874         ha->flags.enable_led_scheme = 0;
4875         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4876
4877         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4878             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4879
4880         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4881             sizeof(ha->fw_seriallink_options24));
4882
4883         /* save HBA serial number */
4884         ha->serial0 = icb->port_name[5];
4885         ha->serial1 = icb->port_name[6];
4886         ha->serial2 = icb->port_name[7];
4887         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4888         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4889
4890         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4891
4892         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4893
4894         /* Set minimum login_timeout to 4 seconds. */
4895         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4896                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4897         if (le16_to_cpu(nv->login_timeout) < 4)
4898                 nv->login_timeout = __constant_cpu_to_le16(4);
4899         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4900         icb->login_timeout = nv->login_timeout;
4901
4902         /* Set minimum RATOV to 100 tenths of a second. */
4903         ha->r_a_tov = 100;
4904
4905         ha->loop_reset_delay = nv->reset_delay;
4906
4907         /* Link Down Timeout = 0:
4908          *
4909          *      When Port Down timer expires we will start returning
4910          *      I/O's to OS with "DID_NO_CONNECT".
4911          *
4912          * Link Down Timeout != 0:
4913          *
4914          *       The driver waits for the link to come up after link down
4915          *       before returning I/Os to OS with "DID_NO_CONNECT".
4916          */
4917         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4918                 ha->loop_down_abort_time =
4919                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4920         } else {
4921                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4922                 ha->loop_down_abort_time =
4923                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4924         }
4925
4926         /* Need enough time to try and get the port back. */
4927         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4928         if (qlport_down_retry)
4929                 ha->port_down_retry_count = qlport_down_retry;
4930
4931         /* Set login_retry_count */
4932         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4933         if (ha->port_down_retry_count ==
4934             le16_to_cpu(nv->port_down_retry_count) &&
4935             ha->port_down_retry_count > 3)
4936                 ha->login_retry_count = ha->port_down_retry_count;
4937         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4938                 ha->login_retry_count = ha->port_down_retry_count;
4939         if (ql2xloginretrycount)
4940                 ha->login_retry_count = ql2xloginretrycount;
4941
4942         /* Enable ZIO. */
4943         if (!vha->flags.init_done) {
4944                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4945                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4946                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4947                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4948         }
4949         icb->firmware_options_2 &= __constant_cpu_to_le32(
4950             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4951         vha->flags.process_response_queue = 0;
4952         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4953                 ha->zio_mode = QLA_ZIO_MODE_6;
4954
4955                 ql_log(ql_log_info, vha, 0x006f,
4956                     "ZIO mode %d enabled; timer delay (%d us).\n",
4957                     ha->zio_mode, ha->zio_timer * 100);
4958
4959                 icb->firmware_options_2 |= cpu_to_le32(
4960                     (uint32_t)ha->zio_mode);
4961                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4962                 vha->flags.process_response_queue = 1;
4963         }
4964
4965         if (rval) {
4966                 ql_log(ql_log_warn, vha, 0x0070,
4967                     "NVRAM configuration failed.\n");
4968         }
4969         return (rval);
4970 }
4971
4972 static int
4973 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4974     uint32_t faddr)
4975 {
4976         int     rval = QLA_SUCCESS;
4977         int     segments, fragment;
4978         uint32_t *dcode, dlen;
4979         uint32_t risc_addr;
4980         uint32_t risc_size;
4981         uint32_t i;
4982         struct qla_hw_data *ha = vha->hw;
4983         struct req_que *req = ha->req_q_map[0];
4984
4985         ql_dbg(ql_dbg_init, vha, 0x008b,
4986             "FW: Loading firmware from flash (%x).\n", faddr);
4987
4988         rval = QLA_SUCCESS;
4989
4990         segments = FA_RISC_CODE_SEGMENTS;
4991         dcode = (uint32_t *)req->ring;
4992         *srisc_addr = 0;
4993
4994         /* Validate firmware image by checking version. */
4995         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4996         for (i = 0; i < 4; i++)
4997                 dcode[i] = be32_to_cpu(dcode[i]);
4998         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4999             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5000             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5001                 dcode[3] == 0)) {
5002                 ql_log(ql_log_fatal, vha, 0x008c,
5003                     "Unable to verify the integrity of flash firmware "
5004                     "image.\n");
5005                 ql_log(ql_log_fatal, vha, 0x008d,
5006                     "Firmware data: %08x %08x %08x %08x.\n",
5007                     dcode[0], dcode[1], dcode[2], dcode[3]);
5008
5009                 return QLA_FUNCTION_FAILED;
5010         }
5011
5012         while (segments && rval == QLA_SUCCESS) {
5013                 /* Read segment's load information. */
5014                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5015
5016                 risc_addr = be32_to_cpu(dcode[2]);
5017                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5018                 risc_size = be32_to_cpu(dcode[3]);
5019
5020                 fragment = 0;
5021                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5022                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5023                         if (dlen > risc_size)
5024                                 dlen = risc_size;
5025
5026                         ql_dbg(ql_dbg_init, vha, 0x008e,
5027                             "Loading risc segment@ risc addr %x "
5028                             "number of dwords 0x%x offset 0x%x.\n",
5029                             risc_addr, dlen, faddr);
5030
5031                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5032                         for (i = 0; i < dlen; i++)
5033                                 dcode[i] = swab32(dcode[i]);
5034
5035                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5036                             dlen);
5037                         if (rval) {
5038                                 ql_log(ql_log_fatal, vha, 0x008f,
5039                                     "Failed to load segment %d of firmware.\n",
5040                                     fragment);
5041                                 break;
5042                         }
5043
5044                         faddr += dlen;
5045                         risc_addr += dlen;
5046                         risc_size -= dlen;
5047                         fragment++;
5048                 }
5049
5050                 /* Next segment. */
5051                 segments--;
5052         }
5053
5054         return rval;
5055 }
5056
5057 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
5058
5059 int
5060 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5061 {
5062         int     rval;
5063         int     i, fragment;
5064         uint16_t *wcode, *fwcode;
5065         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5066         struct fw_blob *blob;
5067         struct qla_hw_data *ha = vha->hw;
5068         struct req_que *req = ha->req_q_map[0];
5069
5070         /* Load firmware blob. */
5071         blob = qla2x00_request_firmware(vha);
5072         if (!blob) {
5073                 ql_log(ql_log_info, vha, 0x0083,
5074                     "Fimware image unavailable.\n");
5075                 ql_log(ql_log_info, vha, 0x0084,
5076                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5077                 return QLA_FUNCTION_FAILED;
5078         }
5079
5080         rval = QLA_SUCCESS;
5081
5082         wcode = (uint16_t *)req->ring;
5083         *srisc_addr = 0;
5084         fwcode = (uint16_t *)blob->fw->data;
5085         fwclen = 0;
5086
5087         /* Validate firmware image by checking version. */
5088         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5089                 ql_log(ql_log_fatal, vha, 0x0085,
5090                     "Unable to verify integrity of firmware image (%Zd).\n",
5091                     blob->fw->size);
5092                 goto fail_fw_integrity;
5093         }
5094         for (i = 0; i < 4; i++)
5095                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5096         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5097             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5098                 wcode[2] == 0 && wcode[3] == 0)) {
5099                 ql_log(ql_log_fatal, vha, 0x0086,
5100                     "Unable to verify integrity of firmware image.\n");
5101                 ql_log(ql_log_fatal, vha, 0x0087,
5102                     "Firmware data: %04x %04x %04x %04x.\n",
5103                     wcode[0], wcode[1], wcode[2], wcode[3]);
5104                 goto fail_fw_integrity;
5105         }
5106
5107         seg = blob->segs;
5108         while (*seg && rval == QLA_SUCCESS) {
5109                 risc_addr = *seg;
5110                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5111                 risc_size = be16_to_cpu(fwcode[3]);
5112
5113                 /* Validate firmware image size. */
5114                 fwclen += risc_size * sizeof(uint16_t);
5115                 if (blob->fw->size < fwclen) {
5116                         ql_log(ql_log_fatal, vha, 0x0088,
5117                             "Unable to verify integrity of firmware image "
5118                             "(%Zd).\n", blob->fw->size);
5119                         goto fail_fw_integrity;
5120                 }
5121
5122                 fragment = 0;
5123                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5124                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5125                         if (wlen > risc_size)
5126                                 wlen = risc_size;
5127                         ql_dbg(ql_dbg_init, vha, 0x0089,
5128                             "Loading risc segment@ risc addr %x number of "
5129                             "words 0x%x.\n", risc_addr, wlen);
5130
5131                         for (i = 0; i < wlen; i++)
5132                                 wcode[i] = swab16(fwcode[i]);
5133
5134                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5135                             wlen);
5136                         if (rval) {
5137                                 ql_log(ql_log_fatal, vha, 0x008a,
5138                                     "Failed to load segment %d of firmware.\n",
5139                                     fragment);
5140                                 break;
5141                         }
5142
5143                         fwcode += wlen;
5144                         risc_addr += wlen;
5145                         risc_size -= wlen;
5146                         fragment++;
5147                 }
5148
5149                 /* Next segment. */
5150                 seg++;
5151         }
5152         return rval;
5153
5154 fail_fw_integrity:
5155         return QLA_FUNCTION_FAILED;
5156 }
5157
5158 static int
5159 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5160 {
5161         int     rval;
5162         int     segments, fragment;
5163         uint32_t *dcode, dlen;
5164         uint32_t risc_addr;
5165         uint32_t risc_size;
5166         uint32_t i;
5167         struct fw_blob *blob;
5168         uint32_t *fwcode, fwclen;
5169         struct qla_hw_data *ha = vha->hw;
5170         struct req_que *req = ha->req_q_map[0];
5171
5172         /* Load firmware blob. */
5173         blob = qla2x00_request_firmware(vha);
5174         if (!blob) {
5175                 ql_log(ql_log_warn, vha, 0x0090,
5176                     "Fimware image unavailable.\n");
5177                 ql_log(ql_log_warn, vha, 0x0091,
5178                     "Firmware images can be retrieved from: "
5179                     QLA_FW_URL ".\n");
5180
5181                 return QLA_FUNCTION_FAILED;
5182         }
5183
5184         ql_dbg(ql_dbg_init, vha, 0x0092,
5185             "FW: Loading via request-firmware.\n");
5186
5187         rval = QLA_SUCCESS;
5188
5189         segments = FA_RISC_CODE_SEGMENTS;
5190         dcode = (uint32_t *)req->ring;
5191         *srisc_addr = 0;
5192         fwcode = (uint32_t *)blob->fw->data;
5193         fwclen = 0;
5194
5195         /* Validate firmware image by checking version. */
5196         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5197                 ql_log(ql_log_fatal, vha, 0x0093,
5198                     "Unable to verify integrity of firmware image (%Zd).\n",
5199                     blob->fw->size);
5200                 goto fail_fw_integrity;
5201         }
5202         for (i = 0; i < 4; i++)
5203                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5204         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5205             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5206             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5207                 dcode[3] == 0)) {
5208                 ql_log(ql_log_fatal, vha, 0x0094,
5209                     "Unable to verify integrity of firmware image (%Zd).\n",
5210                     blob->fw->size);
5211                 ql_log(ql_log_fatal, vha, 0x0095,
5212                     "Firmware data: %08x %08x %08x %08x.\n",
5213                     dcode[0], dcode[1], dcode[2], dcode[3]);
5214                 goto fail_fw_integrity;
5215         }
5216
5217         while (segments && rval == QLA_SUCCESS) {
5218                 risc_addr = be32_to_cpu(fwcode[2]);
5219                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5220                 risc_size = be32_to_cpu(fwcode[3]);
5221
5222                 /* Validate firmware image size. */
5223                 fwclen += risc_size * sizeof(uint32_t);
5224                 if (blob->fw->size < fwclen) {
5225                         ql_log(ql_log_fatal, vha, 0x0096,
5226                             "Unable to verify integrity of firmware image "
5227                             "(%Zd).\n", blob->fw->size);
5228
5229                         goto fail_fw_integrity;
5230                 }
5231
5232                 fragment = 0;
5233                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5234                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5235                         if (dlen > risc_size)
5236                                 dlen = risc_size;
5237
5238                         ql_dbg(ql_dbg_init, vha, 0x0097,
5239                             "Loading risc segment@ risc addr %x "
5240                             "number of dwords 0x%x.\n", risc_addr, dlen);
5241
5242                         for (i = 0; i < dlen; i++)
5243                                 dcode[i] = swab32(fwcode[i]);
5244
5245                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5246                             dlen);
5247                         if (rval) {
5248                                 ql_log(ql_log_fatal, vha, 0x0098,
5249                                     "Failed to load segment %d of firmware.\n",
5250                                     fragment);
5251                                 break;
5252                         }
5253
5254                         fwcode += dlen;
5255                         risc_addr += dlen;
5256                         risc_size -= dlen;
5257                         fragment++;
5258                 }
5259
5260                 /* Next segment. */
5261                 segments--;
5262         }
5263         return rval;
5264
5265 fail_fw_integrity:
5266         return QLA_FUNCTION_FAILED;
5267 }
5268
5269 int
5270 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5271 {
5272         int rval;
5273
5274         if (ql2xfwloadbin == 1)
5275                 return qla81xx_load_risc(vha, srisc_addr);
5276
5277         /*
5278          * FW Load priority:
5279          * 1) Firmware via request-firmware interface (.bin file).
5280          * 2) Firmware residing in flash.
5281          */
5282         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5283         if (rval == QLA_SUCCESS)
5284                 return rval;
5285
5286         return qla24xx_load_risc_flash(vha, srisc_addr,
5287             vha->hw->flt_region_fw);
5288 }
5289
5290 int
5291 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5292 {
5293         int rval;
5294         struct qla_hw_data *ha = vha->hw;
5295
5296         if (ql2xfwloadbin == 2)
5297                 goto try_blob_fw;
5298
5299         /*
5300          * FW Load priority:
5301          * 1) Firmware residing in flash.
5302          * 2) Firmware via request-firmware interface (.bin file).
5303          * 3) Golden-Firmware residing in flash -- limited operation.
5304          */
5305         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5306         if (rval == QLA_SUCCESS)
5307                 return rval;
5308
5309 try_blob_fw:
5310         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5311         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5312                 return rval;
5313
5314         ql_log(ql_log_info, vha, 0x0099,
5315             "Attempting to fallback to golden firmware.\n");
5316         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5317         if (rval != QLA_SUCCESS)
5318                 return rval;
5319
5320         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5321         ha->flags.running_gold_fw = 1;
5322         return rval;
5323 }
5324
5325 void
5326 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5327 {
5328         int ret, retries;
5329         struct qla_hw_data *ha = vha->hw;
5330
5331         if (ha->flags.pci_channel_io_perm_failure)
5332                 return;
5333         if (!IS_FWI2_CAPABLE(ha))
5334                 return;
5335         if (!ha->fw_major_version)
5336                 return;
5337
5338         ret = qla2x00_stop_firmware(vha);
5339         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5340             ret != QLA_INVALID_COMMAND && retries ; retries--) {
5341                 ha->isp_ops->reset_chip(vha);
5342                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5343                         continue;
5344                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5345                         continue;
5346                 ql_log(ql_log_info, vha, 0x8015,
5347                     "Attempting retry of stop-firmware command.\n");
5348                 ret = qla2x00_stop_firmware(vha);
5349         }
5350 }
5351
5352 int
5353 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5354 {
5355         int rval = QLA_SUCCESS;
5356         int rval2;
5357         uint16_t mb[MAILBOX_REGISTER_COUNT];
5358         struct qla_hw_data *ha = vha->hw;
5359         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5360         struct req_que *req;
5361         struct rsp_que *rsp;
5362
5363         if (!vha->vp_idx)
5364                 return -EINVAL;
5365
5366         rval = qla2x00_fw_ready(base_vha);
5367         if (ha->flags.cpu_affinity_enabled)
5368                 req = ha->req_q_map[0];
5369         else
5370                 req = vha->req;
5371         rsp = req->rsp;
5372
5373         if (rval == QLA_SUCCESS) {
5374                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5375                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5376         }
5377
5378         vha->flags.management_server_logged_in = 0;
5379
5380         /* Login to SNS first */
5381         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5382             BIT_1);
5383         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5384                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5385                         ql_dbg(ql_dbg_init, vha, 0x0120,
5386                             "Failed SNS login: loop_id=%x, rval2=%d\n",
5387                             NPH_SNS, rval2);
5388                 else
5389                         ql_dbg(ql_dbg_init, vha, 0x0103,
5390                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5391                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5392                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5393                 return (QLA_FUNCTION_FAILED);
5394         }
5395
5396         atomic_set(&vha->loop_down_timer, 0);
5397         atomic_set(&vha->loop_state, LOOP_UP);
5398         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5399         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5400         rval = qla2x00_loop_resync(base_vha);
5401
5402         return rval;
5403 }
5404
5405 /* 84XX Support **************************************************************/
5406
5407 static LIST_HEAD(qla_cs84xx_list);
5408 static DEFINE_MUTEX(qla_cs84xx_mutex);
5409
5410 static struct qla_chip_state_84xx *
5411 qla84xx_get_chip(struct scsi_qla_host *vha)
5412 {
5413         struct qla_chip_state_84xx *cs84xx;
5414         struct qla_hw_data *ha = vha->hw;
5415
5416         mutex_lock(&qla_cs84xx_mutex);
5417
5418         /* Find any shared 84xx chip. */
5419         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5420                 if (cs84xx->bus == ha->pdev->bus) {
5421                         kref_get(&cs84xx->kref);
5422                         goto done;
5423                 }
5424         }
5425
5426         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5427         if (!cs84xx)
5428                 goto done;
5429
5430         kref_init(&cs84xx->kref);
5431         spin_lock_init(&cs84xx->access_lock);
5432         mutex_init(&cs84xx->fw_update_mutex);
5433         cs84xx->bus = ha->pdev->bus;
5434
5435         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5436 done:
5437         mutex_unlock(&qla_cs84xx_mutex);
5438         return cs84xx;
5439 }
5440
5441 static void
5442 __qla84xx_chip_release(struct kref *kref)
5443 {
5444         struct qla_chip_state_84xx *cs84xx =
5445             container_of(kref, struct qla_chip_state_84xx, kref);
5446
5447         mutex_lock(&qla_cs84xx_mutex);
5448         list_del(&cs84xx->list);
5449         mutex_unlock(&qla_cs84xx_mutex);
5450         kfree(cs84xx);
5451 }
5452
5453 void
5454 qla84xx_put_chip(struct scsi_qla_host *vha)
5455 {
5456         struct qla_hw_data *ha = vha->hw;
5457         if (ha->cs84xx)
5458                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5459 }
5460
5461 static int
5462 qla84xx_init_chip(scsi_qla_host_t *vha)
5463 {
5464         int rval;
5465         uint16_t status[2];
5466         struct qla_hw_data *ha = vha->hw;
5467
5468         mutex_lock(&ha->cs84xx->fw_update_mutex);
5469
5470         rval = qla84xx_verify_chip(vha, status);
5471
5472         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5473
5474         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5475             QLA_SUCCESS;
5476 }
5477
5478 /* 81XX Support **************************************************************/
5479
5480 int
5481 qla81xx_nvram_config(scsi_qla_host_t *vha)
5482 {
5483         int   rval;
5484         struct init_cb_81xx *icb;
5485         struct nvram_81xx *nv;
5486         uint32_t *dptr;
5487         uint8_t  *dptr1, *dptr2;
5488         uint32_t chksum;
5489         uint16_t cnt;
5490         struct qla_hw_data *ha = vha->hw;
5491
5492         rval = QLA_SUCCESS;
5493         icb = (struct init_cb_81xx *)ha->init_cb;
5494         nv = ha->nvram;
5495
5496         /* Determine NVRAM starting address. */
5497         ha->nvram_size = sizeof(struct nvram_81xx);
5498         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5499
5500         /* Get VPD data into cache */
5501         ha->vpd = ha->nvram + VPD_OFFSET;
5502         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5503             ha->vpd_size);
5504
5505         /* Get NVRAM data into cache and calculate checksum. */
5506         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5507             ha->nvram_size);
5508         dptr = (uint32_t *)nv;
5509         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5510                 chksum += le32_to_cpu(*dptr++);
5511
5512         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5513             "Contents of NVRAM:\n");
5514         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5515             (uint8_t *)nv, ha->nvram_size);
5516
5517         /* Bad NVRAM data, set defaults parameters. */
5518         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5519             || nv->id[3] != ' ' ||
5520             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5521                 /* Reset NVRAM data. */
5522                 ql_log(ql_log_info, vha, 0x0073,
5523                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5524                     "version=0x%x.\n", chksum, nv->id[0],
5525                     le16_to_cpu(nv->nvram_version));
5526                 ql_log(ql_log_info, vha, 0x0074,
5527                     "Falling back to functioning (yet invalid -- WWPN) "
5528                     "defaults.\n");
5529
5530                 /*
5531                  * Set default initialization control block.
5532                  */
5533                 memset(nv, 0, ha->nvram_size);
5534                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5535                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5536                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5537                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5538                 nv->exchange_count = __constant_cpu_to_le16(0);
5539                 nv->port_name[0] = 0x21;
5540                 nv->port_name[1] = 0x00 + ha->port_no;
5541                 nv->port_name[2] = 0x00;
5542                 nv->port_name[3] = 0xe0;
5543                 nv->port_name[4] = 0x8b;
5544                 nv->port_name[5] = 0x1c;
5545                 nv->port_name[6] = 0x55;
5546                 nv->port_name[7] = 0x86;
5547                 nv->node_name[0] = 0x20;
5548                 nv->node_name[1] = 0x00;
5549                 nv->node_name[2] = 0x00;
5550                 nv->node_name[3] = 0xe0;
5551                 nv->node_name[4] = 0x8b;
5552                 nv->node_name[5] = 0x1c;
5553                 nv->node_name[6] = 0x55;
5554                 nv->node_name[7] = 0x86;
5555                 nv->login_retry_count = __constant_cpu_to_le16(8);
5556                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5557                 nv->login_timeout = __constant_cpu_to_le16(0);
5558                 nv->firmware_options_1 =
5559                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5560                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5561                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5562                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5563                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5564                 nv->efi_parameters = __constant_cpu_to_le32(0);
5565                 nv->reset_delay = 5;
5566                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5567                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5568                 nv->link_down_timeout = __constant_cpu_to_le16(180);
5569                 nv->enode_mac[0] = 0x00;
5570                 nv->enode_mac[1] = 0xC0;
5571                 nv->enode_mac[2] = 0xDD;
5572                 nv->enode_mac[3] = 0x04;
5573                 nv->enode_mac[4] = 0x05;
5574                 nv->enode_mac[5] = 0x06 + ha->port_no;
5575
5576                 rval = 1;
5577         }
5578
5579         if (IS_T10_PI_CAPABLE(ha))
5580                 nv->frame_payload_size &= ~7;
5581
5582         /* Reset Initialization control block */
5583         memset(icb, 0, ha->init_cb_size);
5584
5585         /* Copy 1st segment. */
5586         dptr1 = (uint8_t *)icb;
5587         dptr2 = (uint8_t *)&nv->version;
5588         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5589         while (cnt--)
5590                 *dptr1++ = *dptr2++;
5591
5592         icb->login_retry_count = nv->login_retry_count;
5593
5594         /* Copy 2nd segment. */
5595         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5596         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5597         cnt = (uint8_t *)&icb->reserved_5 -
5598             (uint8_t *)&icb->interrupt_delay_timer;
5599         while (cnt--)
5600                 *dptr1++ = *dptr2++;
5601
5602         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5603         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5604         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5605                 icb->enode_mac[0] = 0x00;
5606                 icb->enode_mac[1] = 0xC0;
5607                 icb->enode_mac[2] = 0xDD;
5608                 icb->enode_mac[3] = 0x04;
5609                 icb->enode_mac[4] = 0x05;
5610                 icb->enode_mac[5] = 0x06 + ha->port_no;
5611         }
5612
5613         /* Use extended-initialization control block. */
5614         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5615
5616         /*
5617          * Setup driver NVRAM options.
5618          */
5619         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5620             "QLE8XXX");
5621
5622         /* Use alternate WWN? */
5623         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5624                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5625                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5626         }
5627
5628         /* Prepare nodename */
5629         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5630                 /*
5631                  * Firmware will apply the following mask if the nodename was
5632                  * not provided.
5633                  */
5634                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5635                 icb->node_name[0] &= 0xF0;
5636         }
5637
5638         /* Set host adapter parameters. */
5639         ha->flags.disable_risc_code_load = 0;
5640         ha->flags.enable_lip_reset = 0;
5641         ha->flags.enable_lip_full_login =
5642             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5643         ha->flags.enable_target_reset =
5644             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5645         ha->flags.enable_led_scheme = 0;
5646         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5647
5648         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5649             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5650
5651         /* save HBA serial number */
5652         ha->serial0 = icb->port_name[5];
5653         ha->serial1 = icb->port_name[6];
5654         ha->serial2 = icb->port_name[7];
5655         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5656         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5657
5658         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5659
5660         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5661
5662         /* Set minimum login_timeout to 4 seconds. */
5663         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5664                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5665         if (le16_to_cpu(nv->login_timeout) < 4)
5666                 nv->login_timeout = __constant_cpu_to_le16(4);
5667         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5668         icb->login_timeout = nv->login_timeout;
5669
5670         /* Set minimum RATOV to 100 tenths of a second. */
5671         ha->r_a_tov = 100;
5672
5673         ha->loop_reset_delay = nv->reset_delay;
5674
5675         /* Link Down Timeout = 0:
5676          *
5677          *      When Port Down timer expires we will start returning
5678          *      I/O's to OS with "DID_NO_CONNECT".
5679          *
5680          * Link Down Timeout != 0:
5681          *
5682          *       The driver waits for the link to come up after link down
5683          *       before returning I/Os to OS with "DID_NO_CONNECT".
5684          */
5685         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5686                 ha->loop_down_abort_time =
5687                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5688         } else {
5689                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5690                 ha->loop_down_abort_time =
5691                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5692         }
5693
5694         /* Need enough time to try and get the port back. */
5695         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5696         if (qlport_down_retry)
5697                 ha->port_down_retry_count = qlport_down_retry;
5698
5699         /* Set login_retry_count */
5700         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5701         if (ha->port_down_retry_count ==
5702             le16_to_cpu(nv->port_down_retry_count) &&
5703             ha->port_down_retry_count > 3)
5704                 ha->login_retry_count = ha->port_down_retry_count;
5705         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5706                 ha->login_retry_count = ha->port_down_retry_count;
5707         if (ql2xloginretrycount)
5708                 ha->login_retry_count = ql2xloginretrycount;
5709
5710         /* if not running MSI-X we need handshaking on interrupts */
5711         if (!vha->hw->flags.msix_enabled && IS_QLA83XX(ha))
5712                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22);
5713
5714         /* Enable ZIO. */
5715         if (!vha->flags.init_done) {
5716                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5717                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5718                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5719                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5720         }
5721         icb->firmware_options_2 &= __constant_cpu_to_le32(
5722             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5723         vha->flags.process_response_queue = 0;
5724         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5725                 ha->zio_mode = QLA_ZIO_MODE_6;
5726
5727                 ql_log(ql_log_info, vha, 0x0075,
5728                     "ZIO mode %d enabled; timer delay (%d us).\n",
5729                     ha->zio_mode,
5730                     ha->zio_timer * 100);
5731
5732                 icb->firmware_options_2 |= cpu_to_le32(
5733                     (uint32_t)ha->zio_mode);
5734                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5735                 vha->flags.process_response_queue = 1;
5736         }
5737
5738         if (rval) {
5739                 ql_log(ql_log_warn, vha, 0x0076,
5740                     "NVRAM configuration failed.\n");
5741         }
5742         return (rval);
5743 }
5744
5745 int
5746 qla82xx_restart_isp(scsi_qla_host_t *vha)
5747 {
5748         int status, rval;
5749         uint32_t wait_time;
5750         struct qla_hw_data *ha = vha->hw;
5751         struct req_que *req = ha->req_q_map[0];
5752         struct rsp_que *rsp = ha->rsp_q_map[0];
5753         struct scsi_qla_host *vp;
5754         unsigned long flags;
5755
5756         status = qla2x00_init_rings(vha);
5757         if (!status) {
5758                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5759                 ha->flags.chip_reset_done = 1;
5760
5761                 status = qla2x00_fw_ready(vha);
5762                 if (!status) {
5763                         ql_log(ql_log_info, vha, 0x803c,
5764                             "Start configure loop, status =%d.\n", status);
5765
5766                         /* Issue a marker after FW becomes ready. */
5767                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5768
5769                         vha->flags.online = 1;
5770                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5771                         wait_time = 256;
5772                         do {
5773                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5774                                 qla2x00_configure_loop(vha);
5775                                 wait_time--;
5776                         } while (!atomic_read(&vha->loop_down_timer) &&
5777                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5778                             wait_time &&
5779                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5780                 }
5781
5782                 /* if no cable then assume it's good */
5783                 if ((vha->device_flags & DFLG_NO_CABLE))
5784                         status = 0;
5785
5786                 ql_log(ql_log_info, vha, 0x8000,
5787                     "Configure loop done, status = 0x%x.\n", status);
5788         }
5789
5790         if (!status) {
5791                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5792
5793                 if (!atomic_read(&vha->loop_down_timer)) {
5794                         /*
5795                          * Issue marker command only when we are going
5796                          * to start the I/O .
5797                          */
5798                         vha->marker_needed = 1;
5799                 }
5800
5801                 vha->flags.online = 1;
5802
5803                 ha->isp_ops->enable_intrs(ha);
5804
5805                 ha->isp_abort_cnt = 0;
5806                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5807
5808                 /* Update the firmware version */
5809                 status = qla82xx_check_md_needed(vha);
5810
5811                 if (ha->fce) {
5812                         ha->flags.fce_enabled = 1;
5813                         memset(ha->fce, 0,
5814                             fce_calc_size(ha->fce_bufs));
5815                         rval = qla2x00_enable_fce_trace(vha,
5816                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5817                             &ha->fce_bufs);
5818                         if (rval) {
5819                                 ql_log(ql_log_warn, vha, 0x8001,
5820                                     "Unable to reinitialize FCE (%d).\n",
5821                                     rval);
5822                                 ha->flags.fce_enabled = 0;
5823                         }
5824                 }
5825
5826                 if (ha->eft) {
5827                         memset(ha->eft, 0, EFT_SIZE);
5828                         rval = qla2x00_enable_eft_trace(vha,
5829                             ha->eft_dma, EFT_NUM_BUFFERS);
5830                         if (rval) {
5831                                 ql_log(ql_log_warn, vha, 0x8010,
5832                                     "Unable to reinitialize EFT (%d).\n",
5833                                     rval);
5834                         }
5835                 }
5836         }
5837
5838         if (!status) {
5839                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
5840                     "qla82xx_restart_isp succeeded.\n");
5841
5842                 spin_lock_irqsave(&ha->vport_slock, flags);
5843                 list_for_each_entry(vp, &ha->vp_list, list) {
5844                         if (vp->vp_idx) {
5845                                 atomic_inc(&vp->vref_count);
5846                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5847
5848                                 qla2x00_vp_abort_isp(vp);
5849
5850                                 spin_lock_irqsave(&ha->vport_slock, flags);
5851                                 atomic_dec(&vp->vref_count);
5852                         }
5853                 }
5854                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5855
5856         } else {
5857                 ql_log(ql_log_warn, vha, 0x8016,
5858                     "qla82xx_restart_isp **** FAILED ****.\n");
5859         }
5860
5861         return status;
5862 }
5863
5864 void
5865 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5866 {
5867         struct qla_hw_data *ha = vha->hw;
5868
5869         if (!ql2xetsenable)
5870                 return;
5871
5872         /* Enable ETS Burst. */
5873         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5874         ha->fw_options[2] |= BIT_9;
5875         qla2x00_set_fw_options(vha, ha->fw_options);
5876 }
5877
5878 /*
5879  * qla24xx_get_fcp_prio
5880  *      Gets the fcp cmd priority value for the logged in port.
5881  *      Looks for a match of the port descriptors within
5882  *      each of the fcp prio config entries. If a match is found,
5883  *      the tag (priority) value is returned.
5884  *
5885  * Input:
5886  *      vha = scsi host structure pointer.
5887  *      fcport = port structure pointer.
5888  *
5889  * Return:
5890  *      non-zero (if found)
5891  *      -1 (if not found)
5892  *
5893  * Context:
5894  *      Kernel context
5895  */
5896 static int
5897 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5898 {
5899         int i, entries;
5900         uint8_t pid_match, wwn_match;
5901         int priority;
5902         uint32_t pid1, pid2;
5903         uint64_t wwn1, wwn2;
5904         struct qla_fcp_prio_entry *pri_entry;
5905         struct qla_hw_data *ha = vha->hw;
5906
5907         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5908                 return -1;
5909
5910         priority = -1;
5911         entries = ha->fcp_prio_cfg->num_entries;
5912         pri_entry = &ha->fcp_prio_cfg->entry[0];
5913
5914         for (i = 0; i < entries; i++) {
5915                 pid_match = wwn_match = 0;
5916
5917                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5918                         pri_entry++;
5919                         continue;
5920                 }
5921
5922                 /* check source pid for a match */
5923                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5924                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5925                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5926                         if (pid1 == INVALID_PORT_ID)
5927                                 pid_match++;
5928                         else if (pid1 == pid2)
5929                                 pid_match++;
5930                 }
5931
5932                 /* check destination pid for a match */
5933                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5934                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5935                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5936                         if (pid1 == INVALID_PORT_ID)
5937                                 pid_match++;
5938                         else if (pid1 == pid2)
5939                                 pid_match++;
5940                 }
5941
5942                 /* check source WWN for a match */
5943                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5944                         wwn1 = wwn_to_u64(vha->port_name);
5945                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5946                         if (wwn2 == (uint64_t)-1)
5947                                 wwn_match++;
5948                         else if (wwn1 == wwn2)
5949                                 wwn_match++;
5950                 }
5951
5952                 /* check destination WWN for a match */
5953                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5954                         wwn1 = wwn_to_u64(fcport->port_name);
5955                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5956                         if (wwn2 == (uint64_t)-1)
5957                                 wwn_match++;
5958                         else if (wwn1 == wwn2)
5959                                 wwn_match++;
5960                 }
5961
5962                 if (pid_match == 2 || wwn_match == 2) {
5963                         /* Found a matching entry */
5964                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5965                                 priority = pri_entry->tag;
5966                         break;
5967                 }
5968
5969                 pri_entry++;
5970         }
5971
5972         return priority;
5973 }
5974
5975 /*
5976  * qla24xx_update_fcport_fcp_prio
5977  *      Activates fcp priority for the logged in fc port
5978  *
5979  * Input:
5980  *      vha = scsi host structure pointer.
5981  *      fcp = port structure pointer.
5982  *
5983  * Return:
5984  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5985  *
5986  * Context:
5987  *      Kernel context.
5988  */
5989 int
5990 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5991 {
5992         int ret;
5993         int priority;
5994         uint16_t mb[5];
5995
5996         if (fcport->port_type != FCT_TARGET ||
5997             fcport->loop_id == FC_NO_LOOP_ID)
5998                 return QLA_FUNCTION_FAILED;
5999
6000         priority = qla24xx_get_fcp_prio(vha, fcport);
6001         if (priority < 0)
6002                 return QLA_FUNCTION_FAILED;
6003
6004         if (IS_QLA82XX(vha->hw)) {
6005                 fcport->fcp_prio = priority & 0xf;
6006                 return QLA_SUCCESS;
6007         }
6008
6009         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6010         if (ret == QLA_SUCCESS) {
6011                 if (fcport->fcp_prio != priority)
6012                         ql_dbg(ql_dbg_user, vha, 0x709e,
6013                             "Updated FCP_CMND priority - value=%d loop_id=%d "
6014                             "port_id=%02x%02x%02x.\n", priority,
6015                             fcport->loop_id, fcport->d_id.b.domain,
6016                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6017                 fcport->fcp_prio = priority & 0xf;
6018         } else
6019                 ql_dbg(ql_dbg_user, vha, 0x704f,
6020                     "Unable to update FCP_CMND priority - ret=0x%x for "
6021                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6022                     fcport->d_id.b.domain, fcport->d_id.b.area,
6023                     fcport->d_id.b.al_pa);
6024         return  ret;
6025 }
6026
6027 /*
6028  * qla24xx_update_all_fcp_prio
6029  *      Activates fcp priority for all the logged in ports
6030  *
6031  * Input:
6032  *      ha = adapter block pointer.
6033  *
6034  * Return:
6035  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6036  *
6037  * Context:
6038  *      Kernel context.
6039  */
6040 int
6041 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6042 {
6043         int ret;
6044         fc_port_t *fcport;
6045
6046         ret = QLA_FUNCTION_FAILED;
6047         /* We need to set priority for all logged in ports */
6048         list_for_each_entry(fcport, &vha->vp_fcports, list)
6049                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6050
6051         return ret;
6052 }