drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2013 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #include "qla_gbl.h"
   9
  10 #include <linux/delay.h>
  11 #include <linux/slab.h>
  12 #include <linux/vmalloc.h>
  13
  14 #include "qla_devtbl.h"
  15
  16 #ifdef CONFIG_SPARC
  17 #include <asm/prom.h>
  18 #endif
  19
  20 #include <target/target_core_base.h>
  21 #include "qla_target.h"
  22
  23 /*
  24 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  25 */
  26 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  27 static int qla2x00_setup_chip(scsi_qla_host_t *);
  28 static int qla2x00_fw_ready(scsi_qla_host_t *);
  29 static int qla2x00_configure_hba(scsi_qla_host_t *);
  30 static int qla2x00_configure_loop(scsi_qla_host_t *);
  31 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  32 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  33 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
  34 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
  35     uint16_t *);
  36
  37 static int qla2x00_restart_isp(scsi_qla_host_t *);
  38
  39 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  40 static int qla84xx_init_chip(scsi_qla_host_t *);
  41 static int qla25xx_init_queues(struct qla_hw_data *);
  42
  43 /* SRB Extensions ---------------------------------------------------------- */
  44
  45 void
  46 qla2x00_sp_timeout(unsigned long __data)
  47 {
  48         srb_t *sp = (srb_t *)__data;
  49         struct srb_iocb *iocb;
  50         fc_port_t *fcport = sp->fcport;
  51         struct qla_hw_data *ha = fcport->vha->hw;
  52         struct req_que *req;
  53         unsigned long flags;
  54
  55         spin_lock_irqsave(&ha->hardware_lock, flags);
  56         req = ha->req_q_map[0];
  57         req->outstanding_cmds[sp->handle] = NULL;
  58         iocb = &sp->u.iocb_cmd;
  59         iocb->timeout(sp);
  60         sp->free(fcport->vha, sp);
  61         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  62 }
  63
  64 void
  65 qla2x00_sp_free(void *data, void *ptr)
  66 {
  67         srb_t *sp = (srb_t *)ptr;
  68         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  69         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
  70
  71         del_timer(&iocb->timer);
  72         qla2x00_rel_sp(vha, sp);
  73 }
  74
  75 /* Asynchronous Login/Logout Routines -------------------------------------- */
  76
  77 unsigned long
  78 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
  79 {
  80         unsigned long tmo;
  81         struct qla_hw_data *ha = vha->hw;
  82
  83         /* Firmware should use switch negotiated r_a_tov for timeout. */
  84         tmo = ha->r_a_tov / 10 * 2;
  85         if (IS_QLAFX00(ha)) {
  86                 tmo = FX00_DEF_RATOV * 2;
  87         } else if (!IS_FWI2_CAPABLE(ha)) {
  88                 /*
  89                  * Except for earlier ISPs where the timeout is seeded from the
  90                  * initialization control block.
  91                  */
  92                 tmo = ha->login_timeout;
  93         }
  94         return tmo;
  95 }
  96
  97 static void
  98 qla2x00_async_iocb_timeout(void *data)
  99 {
 100         srb_t *sp = (srb_t *)data;
 101         fc_port_t *fcport = sp->fcport;
 102
 103         ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 104             "Async-%s timeout - hdl=%x portid=%02x%02x%02x.\n",
 105             sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
 106             fcport->d_id.b.al_pa);
 107
 108         fcport->flags &= ~FCF_ASYNC_SENT;
 109         if (sp->type == SRB_LOGIN_CMD) {
 110                 struct srb_iocb *lio = &sp->u.iocb_cmd;
 111                 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 112                 /* Retry as needed. */
 113                 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 114                 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 115                         QLA_LOGIO_LOGIN_RETRIED : 0;
 116                 qla2x00_post_async_login_done_work(fcport->vha, fcport,
 117                         lio->u.logio.data);
 118         }
 119 }
 120
 121 static void
 122 qla2x00_async_login_sp_done(void *data, void *ptr, int res)
 123 {
 124         srb_t *sp = (srb_t *)ptr;
 125         struct srb_iocb *lio = &sp->u.iocb_cmd;
 126         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 127
 128         if (!test_bit(UNLOADING, &vha->dpc_flags))
 129                 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
 130                     lio->u.logio.data);
 131         sp->free(sp->fcport->vha, sp);
 132 }
 133
 134 int
 135 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 136     uint16_t *data)
 137 {
 138         srb_t *sp;
 139         struct srb_iocb *lio;
 140         int rval;
 141
 142         rval = QLA_FUNCTION_FAILED;
 143         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 144         if (!sp)
 145                 goto done;
 146
 147         sp->type = SRB_LOGIN_CMD;
 148         sp->name = "login";
 149         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 150
 151         lio = &sp->u.iocb_cmd;
 152         lio->timeout = qla2x00_async_iocb_timeout;
 153         sp->done = qla2x00_async_login_sp_done;
 154         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 155         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 156                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 157         rval = qla2x00_start_sp(sp);
 158         if (rval != QLA_SUCCESS)
 159                 goto done_free_sp;
 160
 161         ql_dbg(ql_dbg_disc, vha, 0x2072,
 162             "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
 163             "retries=%d.\n", sp->handle, fcport->loop_id,
 164             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 165             fcport->login_retry);
 166         return rval;
 167
 168 done_free_sp:
 169         sp->free(fcport->vha, sp);
 170 done:
 171         return rval;
 172 }
 173
 174 static void
 175 qla2x00_async_logout_sp_done(void *data, void *ptr, int res)
 176 {
 177         srb_t *sp = (srb_t *)ptr;
 178         struct srb_iocb *lio = &sp->u.iocb_cmd;
 179         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 180
 181         if (!test_bit(UNLOADING, &vha->dpc_flags))
 182                 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
 183                     lio->u.logio.data);
 184         sp->free(sp->fcport->vha, sp);
 185 }
 186
 187 int
 188 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 189 {
 190         srb_t *sp;
 191         struct srb_iocb *lio;
 192         int rval;
 193
 194         rval = QLA_FUNCTION_FAILED;
 195         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 196         if (!sp)
 197                 goto done;
 198
 199         sp->type = SRB_LOGOUT_CMD;
 200         sp->name = "logout";
 201         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 202
 203         lio = &sp->u.iocb_cmd;
 204         lio->timeout = qla2x00_async_iocb_timeout;
 205         sp->done = qla2x00_async_logout_sp_done;
 206         rval = qla2x00_start_sp(sp);
 207         if (rval != QLA_SUCCESS)
 208                 goto done_free_sp;
 209
 210         ql_dbg(ql_dbg_disc, vha, 0x2070,
 211             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 212             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 213             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 214         return rval;
 215
 216 done_free_sp:
 217         sp->free(fcport->vha, sp);
 218 done:
 219         return rval;
 220 }
 221
 222 static void
 223 qla2x00_async_adisc_sp_done(void *data, void *ptr, int res)
 224 {
 225         srb_t *sp = (srb_t *)ptr;
 226         struct srb_iocb *lio = &sp->u.iocb_cmd;
 227         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 228
 229         if (!test_bit(UNLOADING, &vha->dpc_flags))
 230                 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
 231                     lio->u.logio.data);
 232         sp->free(sp->fcport->vha, sp);
 233 }
 234
 235 int
 236 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 237     uint16_t *data)
 238 {
 239         srb_t *sp;
 240         struct srb_iocb *lio;
 241         int rval;
 242
 243         rval = QLA_FUNCTION_FAILED;
 244         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 245         if (!sp)
 246                 goto done;
 247
 248         sp->type = SRB_ADISC_CMD;
 249         sp->name = "adisc";
 250         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 251
 252         lio = &sp->u.iocb_cmd;
 253         lio->timeout = qla2x00_async_iocb_timeout;
 254         sp->done = qla2x00_async_adisc_sp_done;
 255         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 256                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 257         rval = qla2x00_start_sp(sp);
 258         if (rval != QLA_SUCCESS)
 259                 goto done_free_sp;
 260
 261         ql_dbg(ql_dbg_disc, vha, 0x206f,
 262             "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
 263             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 264             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 265         return rval;
 266
 267 done_free_sp:
 268         sp->free(fcport->vha, sp);
 269 done:
 270         return rval;
 271 }
 272
 273 static void
 274 qla2x00_async_tm_cmd_done(void *data, void *ptr, int res)
 275 {
 276         srb_t *sp = (srb_t *)ptr;
 277         struct srb_iocb *iocb = &sp->u.iocb_cmd;
 278         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 279         uint32_t flags;
 280         uint16_t lun;
 281         int rval;
 282
 283         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 284                 flags = iocb->u.tmf.flags;
 285                 lun = (uint16_t)iocb->u.tmf.lun;
 286
 287                 /* Issue Marker IOCB */
 288                 rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
 289                         vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
 290                         flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
 291
 292                 if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
 293                         ql_dbg(ql_dbg_taskm, vha, 0x8030,
 294                             "TM IOCB failed (%x).\n", rval);
 295                 }
 296         }
 297         sp->free(sp->fcport->vha, sp);
 298 }
 299
 300 int
 301 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t tm_flags, uint32_t lun,
 302         uint32_t tag)
 303 {
 304         struct scsi_qla_host *vha = fcport->vha;
 305         srb_t *sp;
 306         struct srb_iocb *tcf;
 307         int rval;
 308
 309         rval = QLA_FUNCTION_FAILED;
 310         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 311         if (!sp)
 312                 goto done;
 313
 314         sp->type = SRB_TM_CMD;
 315         sp->name = "tmf";
 316         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 317
 318         tcf = &sp->u.iocb_cmd;
 319         tcf->u.tmf.flags = tm_flags;
 320         tcf->u.tmf.lun = lun;
 321         tcf->u.tmf.data = tag;
 322         tcf->timeout = qla2x00_async_iocb_timeout;
 323         sp->done = qla2x00_async_tm_cmd_done;
 324
 325         rval = qla2x00_start_sp(sp);
 326         if (rval != QLA_SUCCESS)
 327                 goto done_free_sp;
 328
 329         ql_dbg(ql_dbg_taskm, vha, 0x802f,
 330             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 331             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 332             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 333         return rval;
 334
 335 done_free_sp:
 336         sp->free(fcport->vha, sp);
 337 done:
 338         return rval;
 339 }
 340
 341 void
 342 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 343     uint16_t *data)
 344 {
 345         int rval;
 346
 347         switch (data[0]) {
 348         case MBS_COMMAND_COMPLETE:
 349                 /*
 350                  * Driver must validate login state - If PRLI not complete,
 351                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
 352                  * requests.
 353                  */
 354                 rval = qla2x00_get_port_database(vha, fcport, 0);
 355                 if (rval == QLA_NOT_LOGGED_IN) {
 356                         fcport->flags &= ~FCF_ASYNC_SENT;
 357                         fcport->flags |= FCF_LOGIN_NEEDED;
 358                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 359                         break;
 360                 }
 361
 362                 if (rval != QLA_SUCCESS) {
 363                         qla2x00_post_async_logout_work(vha, fcport, NULL);
 364                         qla2x00_post_async_login_work(vha, fcport, NULL);
 365                         break;
 366                 }
 367                 if (fcport->flags & FCF_FCP2_DEVICE) {
 368                         qla2x00_post_async_adisc_work(vha, fcport, data);
 369                         break;
 370                 }
 371                 qla2x00_update_fcport(vha, fcport);
 372                 break;
 373         case MBS_COMMAND_ERROR:
 374                 fcport->flags &= ~FCF_ASYNC_SENT;
 375                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 376                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 377                 else
 378                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 379                 break;
 380         case MBS_PORT_ID_USED:
 381                 fcport->loop_id = data[1];
 382                 qla2x00_post_async_logout_work(vha, fcport, NULL);
 383                 qla2x00_post_async_login_work(vha, fcport, NULL);
 384                 break;
 385         case MBS_LOOP_ID_USED:
 386                 fcport->loop_id++;
 387                 rval = qla2x00_find_new_loop_id(vha, fcport);
 388                 if (rval != QLA_SUCCESS) {
 389                         fcport->flags &= ~FCF_ASYNC_SENT;
 390                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 391                         break;
 392                 }
 393                 qla2x00_post_async_login_work(vha, fcport, NULL);
 394                 break;
 395         }
 396         return;
 397 }
 398
 399 void
 400 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 401     uint16_t *data)
 402 {
 403         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 404         return;
 405 }
 406
 407 void
 408 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 409     uint16_t *data)
 410 {
 411         if (data[0] == MBS_COMMAND_COMPLETE) {
 412                 qla2x00_update_fcport(vha, fcport);
 413
 414                 return;
 415         }
 416
 417         /* Retry login. */
 418         fcport->flags &= ~FCF_ASYNC_SENT;
 419         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 420                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 421         else
 422                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 423
 424         return;
 425 }
 426
 427 /****************************************************************************/
 428 /*                QLogic ISP2x00 Hardware Support Functions.                */
 429 /****************************************************************************/
 430
 431 static int
 432 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
 433 {
 434         int rval = QLA_SUCCESS;
 435         struct qla_hw_data *ha = vha->hw;
 436         uint32_t idc_major_ver, idc_minor_ver;
 437         uint16_t config[4];
 438
 439         qla83xx_idc_lock(vha, 0);
 440
 441         /* SV: TODO: Assign initialization timeout from
 442          * flash-info / other param
 443          */
 444         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
 445         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
 446
 447         /* Set our fcoe function presence */
 448         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
 449                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
 450                     "Error while setting DRV-Presence.\n");
 451                 rval = QLA_FUNCTION_FAILED;
 452                 goto exit;
 453         }
 454
 455         /* Decide the reset ownership */
 456         qla83xx_reset_ownership(vha);
 457
 458         /*
 459          * On first protocol driver load:
 460          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
 461          * register.
 462          * Others: Check compatibility with current IDC Major version.
 463          */
 464         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
 465         if (ha->flags.nic_core_reset_owner) {
 466                 /* Set IDC Major version */
 467                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
 468                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
 469
 470                 /* Clearing IDC-Lock-Recovery register */
 471                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
 472         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
 473                 /*
 474                  * Clear further IDC participation if we are not compatible with
 475                  * the current IDC Major Version.
 476                  */
 477                 ql_log(ql_log_warn, vha, 0xb07d,
 478                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
 479                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
 480                 __qla83xx_clear_drv_presence(vha);
 481                 rval = QLA_FUNCTION_FAILED;
 482                 goto exit;
 483         }
 484         /* Each function sets its supported Minor version. */
 485         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
 486         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
 487         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
 488
 489         if (ha->flags.nic_core_reset_owner) {
 490                 memset(config, 0, sizeof(config));
 491                 if (!qla81xx_get_port_config(vha, config))
 492                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 493                             QLA8XXX_DEV_READY);
 494         }
 495
 496         rval = qla83xx_idc_state_handler(vha);
 497
 498 exit:
 499         qla83xx_idc_unlock(vha, 0);
 500
 501         return rval;
 502 }
 503
 504 /*
 505 * qla2x00_initialize_adapter
 506 *      Initialize board.
 507 *
 508 * Input:
 509 *      ha = adapter block pointer.
 510 *
 511 * Returns:
 512 *      0 = success
 513 */
 514 int
 515 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 516 {
 517         int     rval;
 518         struct qla_hw_data *ha = vha->hw;
 519         struct req_que *req = ha->req_q_map[0];
 520
 521         /* Clear adapter flags. */
 522         vha->flags.online = 0;
 523         ha->flags.chip_reset_done = 0;
 524         vha->flags.reset_active = 0;
 525         ha->flags.pci_channel_io_perm_failure = 0;
 526         ha->flags.eeh_busy = 0;
 527         ha->thermal_support = THERMAL_SUPPORT_I2C|THERMAL_SUPPORT_ISP;
 528         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 529         atomic_set(&vha->loop_state, LOOP_DOWN);
 530         vha->device_flags = DFLG_NO_CABLE;
 531         vha->dpc_flags = 0;
 532         vha->flags.management_server_logged_in = 0;
 533         vha->marker_needed = 0;
 534         ha->isp_abort_cnt = 0;
 535         ha->beacon_blink_led = 0;
 536
 537         set_bit(0, ha->req_qid_map);
 538         set_bit(0, ha->rsp_qid_map);
 539
 540         ql_dbg(ql_dbg_init, vha, 0x0040,
 541             "Configuring PCI space...\n");
 542         rval = ha->isp_ops->pci_config(vha);
 543         if (rval) {
 544                 ql_log(ql_log_warn, vha, 0x0044,
 545                     "Unable to configure PCI space.\n");
 546                 return (rval);
 547         }
 548
 549         ha->isp_ops->reset_chip(vha);
 550
 551         rval = qla2xxx_get_flash_info(vha);
 552         if (rval) {
 553                 ql_log(ql_log_fatal, vha, 0x004f,
 554                     "Unable to validate FLASH data.\n");
 555                 return (rval);
 556         }
 557
 558         ha->isp_ops->get_flash_version(vha, req->ring);
 559         ql_dbg(ql_dbg_init, vha, 0x0061,
 560             "Configure NVRAM parameters...\n");
 561
 562         ha->isp_ops->nvram_config(vha);
 563
 564         if (ha->flags.disable_serdes) {
 565                 /* Mask HBA via NVRAM settings? */
 566                 ql_log(ql_log_info, vha, 0x0077,
 567                     "Masking HBA WWPN "
 568                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 569                     vha->port_name[0], vha->port_name[1],
 570                     vha->port_name[2], vha->port_name[3],
 571                     vha->port_name[4], vha->port_name[5],
 572                     vha->port_name[6], vha->port_name[7]);
 573                 return QLA_FUNCTION_FAILED;
 574         }
 575
 576         ql_dbg(ql_dbg_init, vha, 0x0078,
 577             "Verifying loaded RISC code...\n");
 578
 579         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 580                 rval = ha->isp_ops->chip_diag(vha);
 581                 if (rval)
 582                         return (rval);
 583                 rval = qla2x00_setup_chip(vha);
 584                 if (rval)
 585                         return (rval);
 586         }
 587
 588         if (IS_QLA84XX(ha)) {
 589                 ha->cs84xx = qla84xx_get_chip(vha);
 590                 if (!ha->cs84xx) {
 591                         ql_log(ql_log_warn, vha, 0x00d0,
 592                             "Unable to configure ISP84XX.\n");
 593                         return QLA_FUNCTION_FAILED;
 594                 }
 595         }
 596
 597         if (qla_ini_mode_enabled(vha))
 598                 rval = qla2x00_init_rings(vha);
 599
 600         ha->flags.chip_reset_done = 1;
 601
 602         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 603                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 604                 rval = qla84xx_init_chip(vha);
 605                 if (rval != QLA_SUCCESS) {
 606                         ql_log(ql_log_warn, vha, 0x00d4,
 607                             "Unable to initialize ISP84XX.\n");
 608                 qla84xx_put_chip(vha);
 609                 }
 610         }
 611
 612         /* Load the NIC Core f/w if we are the first protocol driver. */
 613         if (IS_QLA8031(ha)) {
 614                 rval = qla83xx_nic_core_fw_load(vha);
 615                 if (rval)
 616                         ql_log(ql_log_warn, vha, 0x0124,
 617                             "Error in initializing NIC Core f/w.\n");
 618         }
 619
 620         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 621                 qla24xx_read_fcp_prio_cfg(vha);
 622
 623         return (rval);
 624 }
 625
 626 /**
 627  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 628  * @ha: HA context
 629  *
 630  * Returns 0 on success.
 631  */
 632 int
 633 qla2100_pci_config(scsi_qla_host_t *vha)
 634 {
 635         uint16_t w;
 636         unsigned long flags;
 637         struct qla_hw_data *ha = vha->hw;
 638         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 639
 640         pci_set_master(ha->pdev);
 641         pci_try_set_mwi(ha->pdev);
 642
 643         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 644         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 645         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 646
 647         pci_disable_rom(ha->pdev);
 648
 649         /* Get PCI bus information. */
 650         spin_lock_irqsave(&ha->hardware_lock, flags);
 651         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 652         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 653
 654         return QLA_SUCCESS;
 655 }
 656
 657 /**
 658  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 659  * @ha: HA context
 660  *
 661  * Returns 0 on success.
 662  */
 663 int
 664 qla2300_pci_config(scsi_qla_host_t *vha)
 665 {
 666         uint16_t        w;
 667         unsigned long   flags = 0;
 668         uint32_t        cnt;
 669         struct qla_hw_data *ha = vha->hw;
 670         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 671
 672         pci_set_master(ha->pdev);
 673         pci_try_set_mwi(ha->pdev);
 674
 675         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 676         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 677
 678         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 679                 w &= ~PCI_COMMAND_INTX_DISABLE;
 680         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 681
 682         /*
 683          * If this is a 2300 card and not 2312, reset the
 684          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 685          * the 2310 also reports itself as a 2300 so we need to get the
 686          * fb revision level -- a 6 indicates it really is a 2300 and
 687          * not a 2310.
 688          */
 689         if (IS_QLA2300(ha)) {
 690                 spin_lock_irqsave(&ha->hardware_lock, flags);
 691
 692                 /* Pause RISC. */
 693                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 694                 for (cnt = 0; cnt < 30000; cnt++) {
 695                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 696                                 break;
 697
 698                         udelay(10);
 699                 }
 700
 701                 /* Select FPM registers. */
 702                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 703                 RD_REG_WORD(&reg->ctrl_status);
 704
 705                 /* Get the fb rev level */
 706                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 707
 708                 if (ha->fb_rev == FPM_2300)
 709                         pci_clear_mwi(ha->pdev);
 710
 711                 /* Deselect FPM registers. */
 712                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 713                 RD_REG_WORD(&reg->ctrl_status);
 714
 715                 /* Release RISC module. */
 716                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 717                 for (cnt = 0; cnt < 30000; cnt++) {
 718                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 719                                 break;
 720
 721                         udelay(10);
 722                 }
 723
 724                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 725         }
 726
 727         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 728
 729         pci_disable_rom(ha->pdev);
 730
 731         /* Get PCI bus information. */
 732         spin_lock_irqsave(&ha->hardware_lock, flags);
 733         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 734         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 735
 736         return QLA_SUCCESS;
 737 }
 738
 739 /**
 740  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 741  * @ha: HA context
 742  *
 743  * Returns 0 on success.
 744  */
 745 int
 746 qla24xx_pci_config(scsi_qla_host_t *vha)
 747 {
 748         uint16_t w;
 749         unsigned long flags = 0;
 750         struct qla_hw_data *ha = vha->hw;
 751         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 752
 753         pci_set_master(ha->pdev);
 754         pci_try_set_mwi(ha->pdev);
 755
 756         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 757         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 758         w &= ~PCI_COMMAND_INTX_DISABLE;
 759         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 760
 761         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 762
 763         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 764         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 765                 pcix_set_mmrbc(ha->pdev, 2048);
 766
 767         /* PCIe -- adjust Maximum Read Request Size (2048). */
 768         if (pci_is_pcie(ha->pdev))
 769                 pcie_set_readrq(ha->pdev, 4096);
 770
 771         pci_disable_rom(ha->pdev);
 772
 773         ha->chip_revision = ha->pdev->revision;
 774
 775         /* Get PCI bus information. */
 776         spin_lock_irqsave(&ha->hardware_lock, flags);
 777         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 778         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 779
 780         return QLA_SUCCESS;
 781 }
 782
 783 /**
 784  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 785  * @ha: HA context
 786  *
 787  * Returns 0 on success.
 788  */
 789 int
 790 qla25xx_pci_config(scsi_qla_host_t *vha)
 791 {
 792         uint16_t w;
 793         struct qla_hw_data *ha = vha->hw;
 794
 795         pci_set_master(ha->pdev);
 796         pci_try_set_mwi(ha->pdev);
 797
 798         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 799         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 800         w &= ~PCI_COMMAND_INTX_DISABLE;
 801         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 802
 803         /* PCIe -- adjust Maximum Read Request Size (2048). */
 804         if (pci_is_pcie(ha->pdev))
 805                 pcie_set_readrq(ha->pdev, 4096);
 806
 807         pci_disable_rom(ha->pdev);
 808
 809         ha->chip_revision = ha->pdev->revision;
 810
 811         return QLA_SUCCESS;
 812 }
 813
 814 /**
 815  * qla2x00_isp_firmware() - Choose firmware image.
 816  * @ha: HA context
 817  *
 818  * Returns 0 on success.
 819  */
 820 static int
 821 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 822 {
 823         int  rval;
 824         uint16_t loop_id, topo, sw_cap;
 825         uint8_t domain, area, al_pa;
 826         struct qla_hw_data *ha = vha->hw;
 827
 828         /* Assume loading risc code */
 829         rval = QLA_FUNCTION_FAILED;
 830
 831         if (ha->flags.disable_risc_code_load) {
 832                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
 833
 834                 /* Verify checksum of loaded RISC code. */
 835                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 836                 if (rval == QLA_SUCCESS) {
 837                         /* And, verify we are not in ROM code. */
 838                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 839                             &area, &domain, &topo, &sw_cap);
 840                 }
 841         }
 842
 843         if (rval)
 844                 ql_dbg(ql_dbg_init, vha, 0x007a,
 845                     "**** Load RISC code ****.\n");
 846
 847         return (rval);
 848 }
 849
 850 /**
 851  * qla2x00_reset_chip() - Reset ISP chip.
 852  * @ha: HA context
 853  *
 854  * Returns 0 on success.
 855  */
 856 void
 857 qla2x00_reset_chip(scsi_qla_host_t *vha)
 858 {
 859         unsigned long   flags = 0;
 860         struct qla_hw_data *ha = vha->hw;
 861         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 862         uint32_t        cnt;
 863         uint16_t        cmd;
 864
 865         if (unlikely(pci_channel_offline(ha->pdev)))
 866                 return;
 867
 868         ha->isp_ops->disable_intrs(ha);
 869
 870         spin_lock_irqsave(&ha->hardware_lock, flags);
 871
 872         /* Turn off master enable */
 873         cmd = 0;
 874         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 875         cmd &= ~PCI_COMMAND_MASTER;
 876         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 877
 878         if (!IS_QLA2100(ha)) {
 879                 /* Pause RISC. */
 880                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 881                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 882                         for (cnt = 0; cnt < 30000; cnt++) {
 883                                 if ((RD_REG_WORD(&reg->hccr) &
 884                                     HCCR_RISC_PAUSE) != 0)
 885                                         break;
 886                                 udelay(100);
 887                         }
 888                 } else {
 889                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 890                         udelay(10);
 891                 }
 892
 893                 /* Select FPM registers. */
 894                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 895                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 896
 897                 /* FPM Soft Reset. */
 898                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 899                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 900
 901                 /* Toggle Fpm Reset. */
 902                 if (!IS_QLA2200(ha)) {
 903                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 904                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 905                 }
 906
 907                 /* Select frame buffer registers. */
 908                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 909                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 910
 911                 /* Reset frame buffer FIFOs. */
 912                 if (IS_QLA2200(ha)) {
 913                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 914                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 915                 } else {
 916                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 917
 918                         /* Read back fb_cmd until zero or 3 seconds max */
 919                         for (cnt = 0; cnt < 3000; cnt++) {
 920                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 921                                         break;
 922                                 udelay(100);
 923                         }
 924                 }
 925
 926                 /* Select RISC module registers. */
 927                 WRT_REG_WORD(&reg->ctrl_status, 0);
 928                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 929
 930                 /* Reset RISC processor. */
 931                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 932                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 933
 934                 /* Release RISC processor. */
 935                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 936                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 937         }
 938
 939         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 940         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 941
 942         /* Reset ISP chip. */
 943         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 944
 945         /* Wait for RISC to recover from reset. */
 946         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 947                 /*
 948                  * It is necessary to for a delay here since the card doesn't
 949                  * respond to PCI reads during a reset. On some architectures
 950                  * this will result in an MCA.
 951                  */
 952                 udelay(20);
 953                 for (cnt = 30000; cnt; cnt--) {
 954                         if ((RD_REG_WORD(&reg->ctrl_status) &
 955                             CSR_ISP_SOFT_RESET) == 0)
 956                                 break;
 957                         udelay(100);
 958                 }
 959         } else
 960                 udelay(10);
 961
 962         /* Reset RISC processor. */
 963         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 964
 965         WRT_REG_WORD(&reg->semaphore, 0);
 966
 967         /* Release RISC processor. */
 968         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 969         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 970
 971         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 972                 for (cnt = 0; cnt < 30000; cnt++) {
 973                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 974                                 break;
 975
 976                         udelay(100);
 977                 }
 978         } else
 979                 udelay(100);
 980
 981         /* Turn on master enable */
 982         cmd |= PCI_COMMAND_MASTER;
 983         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 984
 985         /* Disable RISC pause on FPM parity error. */
 986         if (!IS_QLA2100(ha)) {
 987                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 988                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 989         }
 990
 991         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 992 }
 993
 994 /**
 995  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
 996  *
 997  * Returns 0 on success.
 998  */
 999 static int
1000 qla81xx_reset_mpi(scsi_qla_host_t *vha)
1001 {
1002         uint16_t mb[4] = {0x1010, 0, 1, 0};
1003
1004         if (!IS_QLA81XX(vha->hw))
1005                 return QLA_SUCCESS;
1006
1007         return qla81xx_write_mpi_register(vha, mb);
1008 }
1009
1010 /**
1011  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
1012  * @ha: HA context
1013  *
1014  * Returns 0 on success.
1015  */
1016 static inline void
1017 qla24xx_reset_risc(scsi_qla_host_t *vha)
1018 {
1019         unsigned long flags = 0;
1020         struct qla_hw_data *ha = vha->hw;
1021         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1022         uint32_t cnt, d2;
1023         uint16_t wd;
1024         static int abts_cnt; /* ISP abort retry counts */
1025
1026         spin_lock_irqsave(&ha->hardware_lock, flags);
1027
1028         /* Reset RISC. */
1029         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1030         for (cnt = 0; cnt < 30000; cnt++) {
1031                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1032                         break;
1033
1034                 udelay(10);
1035         }
1036
1037         WRT_REG_DWORD(&reg->ctrl_status,
1038             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1039         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1040
1041         udelay(100);
1042         /* Wait for firmware to complete NVRAM accesses. */
1043         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1044         for (cnt = 10000 ; cnt && d2; cnt--) {
1045                 udelay(5);
1046                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1047                 barrier();
1048         }
1049
1050         /* Wait for soft-reset to complete. */
1051         d2 = RD_REG_DWORD(&reg->ctrl_status);
1052         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1053                 udelay(5);
1054                 d2 = RD_REG_DWORD(&reg->ctrl_status);
1055                 barrier();
1056         }
1057
1058         /* If required, do an MPI FW reset now */
1059         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1060                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1061                         if (++abts_cnt < 5) {
1062                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1063                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1064                         } else {
1065                                 /*
1066                                  * We exhausted the ISP abort retries. We have to
1067                                  * set the board offline.
1068                                  */
1069                                 abts_cnt = 0;
1070                                 vha->flags.online = 0;
1071                         }
1072                 }
1073         }
1074
1075         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1076         RD_REG_DWORD(&reg->hccr);
1077
1078         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1079         RD_REG_DWORD(&reg->hccr);
1080
1081         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1082         RD_REG_DWORD(&reg->hccr);
1083
1084         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1085         for (cnt = 6000000 ; cnt && d2; cnt--) {
1086                 udelay(5);
1087                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1088                 barrier();
1089         }
1090
1091         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1092
1093         if (IS_NOPOLLING_TYPE(ha))
1094                 ha->isp_ops->enable_intrs(ha);
1095 }
1096
1097 static void
1098 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
1099 {
1100         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1101
1102         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1103         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
1104
1105 }
1106
1107 static void
1108 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
1109 {
1110         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1111
1112         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1113         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
1114 }
1115
1116 static void
1117 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
1118 {
1119         struct qla_hw_data *ha = vha->hw;
1120         uint32_t wd32 = 0;
1121         uint delta_msec = 100;
1122         uint elapsed_msec = 0;
1123         uint timeout_msec;
1124         ulong n;
1125
1126         if (!IS_QLA25XX(ha) && !IS_QLA2031(ha))
1127                 return;
1128
1129 attempt:
1130         timeout_msec = TIMEOUT_SEMAPHORE;
1131         n = timeout_msec / delta_msec;
1132         while (n--) {
1133                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
1134                 qla25xx_read_risc_sema_reg(vha, &wd32);
1135                 if (wd32 & RISC_SEMAPHORE)
1136                         break;
1137                 msleep(delta_msec);
1138                 elapsed_msec += delta_msec;
1139                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1140                         goto force;
1141         }
1142
1143         if (!(wd32 & RISC_SEMAPHORE))
1144                 goto force;
1145
1146         if (!(wd32 & RISC_SEMAPHORE_FORCE))
1147                 goto acquired;
1148
1149         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
1150         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
1151         n = timeout_msec / delta_msec;
1152         while (n--) {
1153                 qla25xx_read_risc_sema_reg(vha, &wd32);
1154                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
1155                         break;
1156                 msleep(delta_msec);
1157                 elapsed_msec += delta_msec;
1158                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1159                         goto force;
1160         }
1161
1162         if (wd32 & RISC_SEMAPHORE_FORCE)
1163                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
1164
1165         goto attempt;
1166
1167 force:
1168         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
1169
1170 acquired:
1171         return;
1172 }
1173
1174 /**
1175  * qla24xx_reset_chip() - Reset ISP24xx chip.
1176  * @ha: HA context
1177  *
1178  * Returns 0 on success.
1179  */
1180 void
1181 qla24xx_reset_chip(scsi_qla_host_t *vha)
1182 {
1183         struct qla_hw_data *ha = vha->hw;
1184
1185         if (pci_channel_offline(ha->pdev) &&
1186             ha->flags.pci_channel_io_perm_failure) {
1187                 return;
1188         }
1189
1190         ha->isp_ops->disable_intrs(ha);
1191
1192         qla25xx_manipulate_risc_semaphore(vha);
1193
1194         /* Perform RISC reset. */
1195         qla24xx_reset_risc(vha);
1196 }
1197
1198 /**
1199  * qla2x00_chip_diag() - Test chip for proper operation.
1200  * @ha: HA context
1201  *
1202  * Returns 0 on success.
1203  */
1204 int
1205 qla2x00_chip_diag(scsi_qla_host_t *vha)
1206 {
1207         int             rval;
1208         struct qla_hw_data *ha = vha->hw;
1209         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1210         unsigned long   flags = 0;
1211         uint16_t        data;
1212         uint32_t        cnt;
1213         uint16_t        mb[5];
1214         struct req_que *req = ha->req_q_map[0];
1215
1216         /* Assume a failed state */
1217         rval = QLA_FUNCTION_FAILED;
1218
1219         ql_dbg(ql_dbg_init, vha, 0x007b,
1220             "Testing device at %lx.\n", (u_long)&reg->flash_address);
1221
1222         spin_lock_irqsave(&ha->hardware_lock, flags);
1223
1224         /* Reset ISP chip. */
1225         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1226
1227         /*
1228          * We need to have a delay here since the card will not respond while
1229          * in reset causing an MCA on some architectures.
1230          */
1231         udelay(20);
1232         data = qla2x00_debounce_register(&reg->ctrl_status);
1233         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1234                 udelay(5);
1235                 data = RD_REG_WORD(&reg->ctrl_status);
1236                 barrier();
1237         }
1238
1239         if (!cnt)
1240                 goto chip_diag_failed;
1241
1242         ql_dbg(ql_dbg_init, vha, 0x007c,
1243             "Reset register cleared by chip reset.\n");
1244
1245         /* Reset RISC processor. */
1246         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1247         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1248
1249         /* Workaround for QLA2312 PCI parity error */
1250         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1251                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1252                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1253                         udelay(5);
1254                         data = RD_MAILBOX_REG(ha, reg, 0);
1255                         barrier();
1256                 }
1257         } else
1258                 udelay(10);
1259
1260         if (!cnt)
1261                 goto chip_diag_failed;
1262
1263         /* Check product ID of chip */
1264         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1265
1266         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1267         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1268         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1269         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1270         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1271             mb[3] != PROD_ID_3) {
1272                 ql_log(ql_log_warn, vha, 0x0062,
1273                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1274                     mb[1], mb[2], mb[3]);
1275
1276                 goto chip_diag_failed;
1277         }
1278         ha->product_id[0] = mb[1];
1279         ha->product_id[1] = mb[2];
1280         ha->product_id[2] = mb[3];
1281         ha->product_id[3] = mb[4];
1282
1283         /* Adjust fw RISC transfer size */
1284         if (req->length > 1024)
1285                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1286         else
1287                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1288                     req->length;
1289
1290         if (IS_QLA2200(ha) &&
1291             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1292                 /* Limit firmware transfer size with a 2200A */
1293                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1294
1295                 ha->device_type |= DT_ISP2200A;
1296                 ha->fw_transfer_size = 128;
1297         }
1298
1299         /* Wrap Incoming Mailboxes Test. */
1300         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1301
1302         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1303         rval = qla2x00_mbx_reg_test(vha);
1304         if (rval)
1305                 ql_log(ql_log_warn, vha, 0x0080,
1306                     "Failed mailbox send register test.\n");
1307         else
1308                 /* Flag a successful rval */
1309                 rval = QLA_SUCCESS;
1310         spin_lock_irqsave(&ha->hardware_lock, flags);
1311
1312 chip_diag_failed:
1313         if (rval)
1314                 ql_log(ql_log_info, vha, 0x0081,
1315                     "Chip diagnostics **** FAILED ****.\n");
1316
1317         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1318
1319         return (rval);
1320 }
1321
1322 /**
1323  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1324  * @ha: HA context
1325  *
1326  * Returns 0 on success.
1327  */
1328 int
1329 qla24xx_chip_diag(scsi_qla_host_t *vha)
1330 {
1331         int rval;
1332         struct qla_hw_data *ha = vha->hw;
1333         struct req_que *req = ha->req_q_map[0];
1334
1335         if (IS_QLA82XX(ha))
1336                 return QLA_SUCCESS;
1337
1338         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1339
1340         rval = qla2x00_mbx_reg_test(vha);
1341         if (rval) {
1342                 ql_log(ql_log_warn, vha, 0x0082,
1343                     "Failed mailbox send register test.\n");
1344         } else {
1345                 /* Flag a successful rval */
1346                 rval = QLA_SUCCESS;
1347         }
1348
1349         return rval;
1350 }
1351
1352 void
1353 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1354 {
1355         int rval;
1356         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1357             eft_size, fce_size, mq_size;
1358         dma_addr_t tc_dma;
1359         void *tc;
1360         struct qla_hw_data *ha = vha->hw;
1361         struct req_que *req = ha->req_q_map[0];
1362         struct rsp_que *rsp = ha->rsp_q_map[0];
1363
1364         if (ha->fw_dump) {
1365                 ql_dbg(ql_dbg_init, vha, 0x00bd,
1366                     "Firmware dump already allocated.\n");
1367                 return;
1368         }
1369
1370         ha->fw_dumped = 0;
1371         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1372         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1373                 fixed_size = sizeof(struct qla2100_fw_dump);
1374         } else if (IS_QLA23XX(ha)) {
1375                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1376                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1377                     sizeof(uint16_t);
1378         } else if (IS_FWI2_CAPABLE(ha)) {
1379                 if (IS_QLA83XX(ha))
1380                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1381                 else if (IS_QLA81XX(ha))
1382                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1383                 else if (IS_QLA25XX(ha))
1384                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1385                 else
1386                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1387                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1388                     sizeof(uint32_t);
1389                 if (ha->mqenable) {
1390                         if (!IS_QLA83XX(ha))
1391                                 mq_size = sizeof(struct qla2xxx_mq_chain);
1392                         /*
1393                          * Allocate maximum buffer size for all queues.
1394                          * Resizing must be done at end-of-dump processing.
1395                          */
1396                         mq_size += ha->max_req_queues *
1397                             (req->length * sizeof(request_t));
1398                         mq_size += ha->max_rsp_queues *
1399                             (rsp->length * sizeof(response_t));
1400                 }
1401                 if (ha->tgt.atio_ring)
1402                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
1403                 /* Allocate memory for Fibre Channel Event Buffer. */
1404                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha))
1405                         goto try_eft;
1406
1407                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1408                     GFP_KERNEL);
1409                 if (!tc) {
1410                         ql_log(ql_log_warn, vha, 0x00be,
1411                             "Unable to allocate (%d KB) for FCE.\n",
1412                             FCE_SIZE / 1024);
1413                         goto try_eft;
1414                 }
1415
1416                 memset(tc, 0, FCE_SIZE);
1417                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1418                     ha->fce_mb, &ha->fce_bufs);
1419                 if (rval) {
1420                         ql_log(ql_log_warn, vha, 0x00bf,
1421                             "Unable to initialize FCE (%d).\n", rval);
1422                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1423                             tc_dma);
1424                         ha->flags.fce_enabled = 0;
1425                         goto try_eft;
1426                 }
1427                 ql_dbg(ql_dbg_init, vha, 0x00c0,
1428                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1429
1430                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1431                 ha->flags.fce_enabled = 1;
1432                 ha->fce_dma = tc_dma;
1433                 ha->fce = tc;
1434 try_eft:
1435                 /* Allocate memory for Extended Trace Buffer. */
1436                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1437                     GFP_KERNEL);
1438                 if (!tc) {
1439                         ql_log(ql_log_warn, vha, 0x00c1,
1440                             "Unable to allocate (%d KB) for EFT.\n",
1441                             EFT_SIZE / 1024);
1442                         goto cont_alloc;
1443                 }
1444
1445                 memset(tc, 0, EFT_SIZE);
1446                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1447                 if (rval) {
1448                         ql_log(ql_log_warn, vha, 0x00c2,
1449                             "Unable to initialize EFT (%d).\n", rval);
1450                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1451                             tc_dma);
1452                         goto cont_alloc;
1453                 }
1454                 ql_dbg(ql_dbg_init, vha, 0x00c3,
1455                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1456
1457                 eft_size = EFT_SIZE;
1458                 ha->eft_dma = tc_dma;
1459                 ha->eft = tc;
1460         }
1461 cont_alloc:
1462         req_q_size = req->length * sizeof(request_t);
1463         rsp_q_size = rsp->length * sizeof(response_t);
1464
1465         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1466         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1467         ha->chain_offset = dump_size;
1468         dump_size += mq_size + fce_size;
1469
1470         ha->fw_dump = vmalloc(dump_size);
1471         if (!ha->fw_dump) {
1472                 ql_log(ql_log_warn, vha, 0x00c4,
1473                     "Unable to allocate (%d KB) for firmware dump.\n",
1474                     dump_size / 1024);
1475
1476                 if (ha->fce) {
1477                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1478                             ha->fce_dma);
1479                         ha->fce = NULL;
1480                         ha->fce_dma = 0;
1481                 }
1482
1483                 if (ha->eft) {
1484                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1485                             ha->eft_dma);
1486                         ha->eft = NULL;
1487                         ha->eft_dma = 0;
1488                 }
1489                 return;
1490         }
1491         ql_dbg(ql_dbg_init, vha, 0x00c5,
1492             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1493
1494         ha->fw_dump_len = dump_size;
1495         ha->fw_dump->signature[0] = 'Q';
1496         ha->fw_dump->signature[1] = 'L';
1497         ha->fw_dump->signature[2] = 'G';
1498         ha->fw_dump->signature[3] = 'C';
1499         ha->fw_dump->version = __constant_htonl(1);
1500
1501         ha->fw_dump->fixed_size = htonl(fixed_size);
1502         ha->fw_dump->mem_size = htonl(mem_size);
1503         ha->fw_dump->req_q_size = htonl(req_q_size);
1504         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1505
1506         ha->fw_dump->eft_size = htonl(eft_size);
1507         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1508         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1509
1510         ha->fw_dump->header_size =
1511             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1512 }
1513
1514 static int
1515 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1516 {
1517 #define MPS_MASK        0xe0
1518         int rval;
1519         uint16_t dc;
1520         uint32_t dw;
1521
1522         if (!IS_QLA81XX(vha->hw))
1523                 return QLA_SUCCESS;
1524
1525         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1526         if (rval != QLA_SUCCESS) {
1527                 ql_log(ql_log_warn, vha, 0x0105,
1528                     "Unable to acquire semaphore.\n");
1529                 goto done;
1530         }
1531
1532         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1533         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1534         if (rval != QLA_SUCCESS) {
1535                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1536                 goto done_release;
1537         }
1538
1539         dc &= MPS_MASK;
1540         if (dc == (dw & MPS_MASK))
1541                 goto done_release;
1542
1543         dw &= ~MPS_MASK;
1544         dw |= dc;
1545         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1546         if (rval != QLA_SUCCESS) {
1547                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1548         }
1549
1550 done_release:
1551         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1552         if (rval != QLA_SUCCESS) {
1553                 ql_log(ql_log_warn, vha, 0x006d,
1554                     "Unable to release semaphore.\n");
1555         }
1556
1557 done:
1558         return rval;
1559 }
1560
1561 int
1562 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
1563 {
1564         /* Don't try to reallocate the array */
1565         if (req->outstanding_cmds)
1566                 return QLA_SUCCESS;
1567
1568         if (!IS_FWI2_CAPABLE(ha) || (ha->mqiobase &&
1569             (ql2xmultique_tag || ql2xmaxqueues > 1)))
1570                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
1571         else {
1572                 if (ha->fw_xcb_count <= ha->fw_iocb_count)
1573                         req->num_outstanding_cmds = ha->fw_xcb_count;
1574                 else
1575                         req->num_outstanding_cmds = ha->fw_iocb_count;
1576         }
1577
1578         req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1579             req->num_outstanding_cmds, GFP_KERNEL);
1580
1581         if (!req->outstanding_cmds) {
1582                 /*
1583                  * Try to allocate a minimal size just so we can get through
1584                  * initialization.
1585                  */
1586                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
1587                 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1588                     req->num_outstanding_cmds, GFP_KERNEL);
1589
1590                 if (!req->outstanding_cmds) {
1591                         ql_log(ql_log_fatal, NULL, 0x0126,
1592                             "Failed to allocate memory for "
1593                             "outstanding_cmds for req_que %p.\n", req);
1594                         req->num_outstanding_cmds = 0;
1595                         return QLA_FUNCTION_FAILED;
1596                 }
1597         }
1598
1599         return QLA_SUCCESS;
1600 }
1601
1602 /**
1603  * qla2x00_setup_chip() - Load and start RISC firmware.
1604  * @ha: HA context
1605  *
1606  * Returns 0 on success.
1607  */
1608 static int
1609 qla2x00_setup_chip(scsi_qla_host_t *vha)
1610 {
1611         int rval;
1612         uint32_t srisc_address = 0;
1613         struct qla_hw_data *ha = vha->hw;
1614         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1615         unsigned long flags;
1616         uint16_t fw_major_version;
1617
1618         if (IS_QLA82XX(ha)) {
1619                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1620                 if (rval == QLA_SUCCESS) {
1621                         qla2x00_stop_firmware(vha);
1622                         goto enable_82xx_npiv;
1623                 } else
1624                         goto failed;
1625         }
1626
1627         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1628                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1629                 spin_lock_irqsave(&ha->hardware_lock, flags);
1630                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1631                 RD_REG_WORD(&reg->hccr);
1632                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1633         }
1634
1635         qla81xx_mpi_sync(vha);
1636
1637         /* Load firmware sequences */
1638         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1639         if (rval == QLA_SUCCESS) {
1640                 ql_dbg(ql_dbg_init, vha, 0x00c9,
1641                     "Verifying Checksum of loaded RISC code.\n");
1642
1643                 rval = qla2x00_verify_checksum(vha, srisc_address);
1644                 if (rval == QLA_SUCCESS) {
1645                         /* Start firmware execution. */
1646                         ql_dbg(ql_dbg_init, vha, 0x00ca,
1647                             "Starting firmware.\n");
1648
1649                         rval = qla2x00_execute_fw(vha, srisc_address);
1650                         /* Retrieve firmware information. */
1651                         if (rval == QLA_SUCCESS) {
1652 enable_82xx_npiv:
1653                                 fw_major_version = ha->fw_major_version;
1654                                 if (IS_QLA82XX(ha))
1655                                         qla82xx_check_md_needed(vha);
1656                                 else
1657                                         rval = qla2x00_get_fw_version(vha);
1658                                 if (rval != QLA_SUCCESS)
1659                                         goto failed;
1660                                 ha->flags.npiv_supported = 0;
1661                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1662                                          (ha->fw_attributes & BIT_2)) {
1663                                         ha->flags.npiv_supported = 1;
1664                                         if ((!ha->max_npiv_vports) ||
1665                                             ((ha->max_npiv_vports + 1) %
1666                                             MIN_MULTI_ID_FABRIC))
1667                                                 ha->max_npiv_vports =
1668                                                     MIN_MULTI_ID_FABRIC - 1;
1669                                 }
1670                                 qla2x00_get_resource_cnts(vha, NULL,
1671                                     &ha->fw_xcb_count, NULL, &ha->fw_iocb_count,
1672                                     &ha->max_npiv_vports, NULL);
1673
1674                                 /*
1675                                  * Allocate the array of outstanding commands
1676                                  * now that we know the firmware resources.
1677                                  */
1678                                 rval = qla2x00_alloc_outstanding_cmds(ha,
1679                                     vha->req);
1680                                 if (rval != QLA_SUCCESS)
1681                                         goto failed;
1682
1683                                 if (!fw_major_version && ql2xallocfwdump
1684                                     && !IS_QLA82XX(ha))
1685                                         qla2x00_alloc_fw_dump(vha);
1686                         }
1687                 } else {
1688                         ql_log(ql_log_fatal, vha, 0x00cd,
1689                             "ISP Firmware failed checksum.\n");
1690                         goto failed;
1691                 }
1692         } else
1693                 goto failed;
1694
1695         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1696                 /* Enable proper parity. */
1697                 spin_lock_irqsave(&ha->hardware_lock, flags);
1698                 if (IS_QLA2300(ha))
1699                         /* SRAM parity */
1700                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1701                 else
1702                         /* SRAM, Instruction RAM and GP RAM parity */
1703                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1704                 RD_REG_WORD(&reg->hccr);
1705                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1706         }
1707
1708         if (IS_QLA83XX(ha))
1709                 goto skip_fac_check;
1710
1711         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1712                 uint32_t size;
1713
1714                 rval = qla81xx_fac_get_sector_size(vha, &size);
1715                 if (rval == QLA_SUCCESS) {
1716                         ha->flags.fac_supported = 1;
1717                         ha->fdt_block_size = size << 2;
1718                 } else {
1719                         ql_log(ql_log_warn, vha, 0x00ce,
1720                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1721                             ha->fw_major_version, ha->fw_minor_version,
1722                             ha->fw_subminor_version);
1723 skip_fac_check:
1724                         if (IS_QLA83XX(ha)) {
1725                                 ha->flags.fac_supported = 0;
1726                                 rval = QLA_SUCCESS;
1727                         }
1728                 }
1729         }
1730 failed:
1731         if (rval) {
1732                 ql_log(ql_log_fatal, vha, 0x00cf,
1733                     "Setup chip ****FAILED****.\n");
1734         }
1735
1736         return (rval);
1737 }
1738
1739 /**
1740  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1741  * @ha: HA context
1742  *
1743  * Beginning of request ring has initialization control block already built
1744  * by nvram config routine.
1745  *
1746  * Returns 0 on success.
1747  */
1748 void
1749 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1750 {
1751         uint16_t cnt;
1752         response_t *pkt;
1753
1754         rsp->ring_ptr = rsp->ring;
1755         rsp->ring_index    = 0;
1756         rsp->status_srb = NULL;
1757         pkt = rsp->ring_ptr;
1758         for (cnt = 0; cnt < rsp->length; cnt++) {
1759                 pkt->signature = RESPONSE_PROCESSED;
1760                 pkt++;
1761         }
1762 }
1763
1764 /**
1765  * qla2x00_update_fw_options() - Read and process firmware options.
1766  * @ha: HA context
1767  *
1768  * Returns 0 on success.
1769  */
1770 void
1771 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1772 {
1773         uint16_t swing, emphasis, tx_sens, rx_sens;
1774         struct qla_hw_data *ha = vha->hw;
1775
1776         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1777         qla2x00_get_fw_options(vha, ha->fw_options);
1778
1779         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1780                 return;
1781
1782         /* Serial Link options. */
1783         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1784             "Serial link options.\n");
1785         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1786             (uint8_t *)&ha->fw_seriallink_options,
1787             sizeof(ha->fw_seriallink_options));
1788
1789         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1790         if (ha->fw_seriallink_options[3] & BIT_2) {
1791                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1792
1793                 /*  1G settings */
1794                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1795                 emphasis = (ha->fw_seriallink_options[2] &
1796                     (BIT_4 | BIT_3)) >> 3;
1797                 tx_sens = ha->fw_seriallink_options[0] &
1798                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1799                 rx_sens = (ha->fw_seriallink_options[0] &
1800                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1801                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1802                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1803                         if (rx_sens == 0x0)
1804                                 rx_sens = 0x3;
1805                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1806                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1807                         ha->fw_options[10] |= BIT_5 |
1808                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1809                             (tx_sens & (BIT_1 | BIT_0));
1810
1811                 /*  2G settings */
1812                 swing = (ha->fw_seriallink_options[2] &
1813                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1814                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1815                 tx_sens = ha->fw_seriallink_options[1] &
1816                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1817                 rx_sens = (ha->fw_seriallink_options[1] &
1818                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1819                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1820                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1821                         if (rx_sens == 0x0)
1822                                 rx_sens = 0x3;
1823                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1824                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1825                         ha->fw_options[11] |= BIT_5 |
1826                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1827                             (tx_sens & (BIT_1 | BIT_0));
1828         }
1829
1830         /* FCP2 options. */
1831         /*  Return command IOCBs without waiting for an ABTS to complete. */
1832         ha->fw_options[3] |= BIT_13;
1833
1834         /* LED scheme. */
1835         if (ha->flags.enable_led_scheme)
1836                 ha->fw_options[2] |= BIT_12;
1837
1838         /* Detect ISP6312. */
1839         if (IS_QLA6312(ha))
1840                 ha->fw_options[2] |= BIT_13;
1841
1842         /* Update firmware options. */
1843         qla2x00_set_fw_options(vha, ha->fw_options);
1844 }
1845
1846 void
1847 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1848 {
1849         int rval;
1850         struct qla_hw_data *ha = vha->hw;
1851
1852         if (IS_QLA82XX(ha))
1853                 return;
1854
1855         /* Update Serial Link options. */
1856         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1857                 return;
1858
1859         rval = qla2x00_set_serdes_params(vha,
1860             le16_to_cpu(ha->fw_seriallink_options24[1]),
1861             le16_to_cpu(ha->fw_seriallink_options24[2]),
1862             le16_to_cpu(ha->fw_seriallink_options24[3]));
1863         if (rval != QLA_SUCCESS) {
1864                 ql_log(ql_log_warn, vha, 0x0104,
1865                     "Unable to update Serial Link options (%x).\n", rval);
1866         }
1867 }
1868
1869 void
1870 qla2x00_config_rings(struct scsi_qla_host *vha)
1871 {
1872         struct qla_hw_data *ha = vha->hw;
1873         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1874         struct req_que *req = ha->req_q_map[0];
1875         struct rsp_que *rsp = ha->rsp_q_map[0];
1876
1877         /* Setup ring parameters in initialization control block. */
1878         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1879         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1880         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1881         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1882         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1883         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1884         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1885         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1886
1887         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1888         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1889         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1890         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1891         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1892 }
1893
1894 void
1895 qla24xx_config_rings(struct scsi_qla_host *vha)
1896 {
1897         struct qla_hw_data *ha = vha->hw;
1898         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1899         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1900         struct qla_msix_entry *msix;
1901         struct init_cb_24xx *icb;
1902         uint16_t rid = 0;
1903         struct req_que *req = ha->req_q_map[0];
1904         struct rsp_que *rsp = ha->rsp_q_map[0];
1905
1906         /* Setup ring parameters in initialization control block. */
1907         icb = (struct init_cb_24xx *)ha->init_cb;
1908         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1909         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1910         icb->request_q_length = cpu_to_le16(req->length);
1911         icb->response_q_length = cpu_to_le16(rsp->length);
1912         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1913         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1914         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1915         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1916
1917         /* Setup ATIO queue dma pointers for target mode */
1918         icb->atio_q_inpointer = __constant_cpu_to_le16(0);
1919         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
1920         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
1921         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
1922
1923         if (ha->mqenable || IS_QLA83XX(ha)) {
1924                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1925                 icb->rid = __constant_cpu_to_le16(rid);
1926                 if (ha->flags.msix_enabled) {
1927                         msix = &ha->msix_entries[1];
1928                         ql_dbg(ql_dbg_init, vha, 0x00fd,
1929                             "Registering vector 0x%x for base que.\n",
1930                             msix->entry);
1931                         icb->msix = cpu_to_le16(msix->entry);
1932                 }
1933                 /* Use alternate PCI bus number */
1934                 if (MSB(rid))
1935                         icb->firmware_options_2 |=
1936                                 __constant_cpu_to_le32(BIT_19);
1937                 /* Use alternate PCI devfn */
1938                 if (LSB(rid))
1939                         icb->firmware_options_2 |=
1940                                 __constant_cpu_to_le32(BIT_18);
1941
1942                 /* Use Disable MSIX Handshake mode for capable adapters */
1943                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
1944                     (ha->flags.msix_enabled)) {
1945                         icb->firmware_options_2 &=
1946                                 __constant_cpu_to_le32(~BIT_22);
1947                         ha->flags.disable_msix_handshake = 1;
1948                         ql_dbg(ql_dbg_init, vha, 0x00fe,
1949                             "MSIX Handshake Disable Mode turned on.\n");
1950                 } else {
1951                         icb->firmware_options_2 |=
1952                                 __constant_cpu_to_le32(BIT_22);
1953                 }
1954                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1955
1956                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1957                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1958                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1959                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1960         } else {
1961                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1962                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1963                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1964                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1965         }
1966         qlt_24xx_config_rings(vha);
1967
1968         /* PCI posting */
1969         RD_REG_DWORD(&ioreg->hccr);
1970 }
1971
1972 /**
1973  * qla2x00_init_rings() - Initializes firmware.
1974  * @ha: HA context
1975  *
1976  * Beginning of request ring has initialization control block already built
1977  * by nvram config routine.
1978  *
1979  * Returns 0 on success.
1980  */
1981 int
1982 qla2x00_init_rings(scsi_qla_host_t *vha)
1983 {
1984         int     rval;
1985         unsigned long flags = 0;
1986         int cnt, que;
1987         struct qla_hw_data *ha = vha->hw;
1988         struct req_que *req;
1989         struct rsp_que *rsp;
1990         struct mid_init_cb_24xx *mid_init_cb =
1991             (struct mid_init_cb_24xx *) ha->init_cb;
1992
1993         spin_lock_irqsave(&ha->hardware_lock, flags);
1994
1995         /* Clear outstanding commands array. */
1996         for (que = 0; que < ha->max_req_queues; que++) {
1997                 req = ha->req_q_map[que];
1998                 if (!req)
1999                         continue;
2000                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2001                         req->outstanding_cmds[cnt] = NULL;
2002
2003                 req->current_outstanding_cmd = 1;
2004
2005                 /* Initialize firmware. */
2006                 req->ring_ptr  = req->ring;
2007                 req->ring_index    = 0;
2008                 req->cnt      = req->length;
2009         }
2010
2011         for (que = 0; que < ha->max_rsp_queues; que++) {
2012                 rsp = ha->rsp_q_map[que];
2013                 if (!rsp)
2014                         continue;
2015                 /* Initialize response queue entries */
2016                 if (IS_QLAFX00(ha))
2017                         qlafx00_init_response_q_entries(rsp);
2018                 else
2019                         qla2x00_init_response_q_entries(rsp);
2020         }
2021
2022         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2023         ha->tgt.atio_ring_index = 0;
2024         /* Initialize ATIO queue entries */
2025         qlt_init_atio_q_entries(vha);
2026
2027         ha->isp_ops->config_rings(vha);
2028
2029         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2030
2031         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2032
2033         if (IS_QLAFX00(ha)) {
2034                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
2035                 goto next_check;
2036         }
2037
2038         /* Update any ISP specific firmware options before initialization. */
2039         ha->isp_ops->update_fw_options(vha);
2040
2041         if (ha->flags.npiv_supported) {
2042                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2043                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2044                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2045         }
2046
2047         if (IS_FWI2_CAPABLE(ha)) {
2048                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2049                 mid_init_cb->init_cb.execution_throttle =
2050                     cpu_to_le16(ha->fw_xcb_count);
2051         }
2052
2053         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2054 next_check:
2055         if (rval) {
2056                 ql_log(ql_log_fatal, vha, 0x00d2,
2057                     "Init Firmware **** FAILED ****.\n");
2058         } else {
2059                 ql_dbg(ql_dbg_init, vha, 0x00d3,
2060                     "Init Firmware -- success.\n");
2061         }
2062
2063         return (rval);
2064 }
2065
2066 /**
2067  * qla2x00_fw_ready() - Waits for firmware ready.
2068  * @ha: HA context
2069  *
2070  * Returns 0 on success.
2071  */
2072 static int
2073 qla2x00_fw_ready(scsi_qla_host_t *vha)
2074 {
2075         int             rval;
2076         unsigned long   wtime, mtime, cs84xx_time;
2077         uint16_t        min_wait;       /* Minimum wait time if loop is down */
2078         uint16_t        wait_time;      /* Wait time if loop is coming ready */
2079         uint16_t        state[5];
2080         struct qla_hw_data *ha = vha->hw;
2081
2082         if (IS_QLAFX00(vha->hw))
2083                 return qlafx00_fw_ready(vha);
2084
2085         rval = QLA_SUCCESS;
2086
2087         /* 20 seconds for loop down. */
2088         min_wait = 20;
2089
2090         /*
2091          * Firmware should take at most one RATOV to login, plus 5 seconds for
2092          * our own processing.
2093          */
2094         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2095                 wait_time = min_wait;
2096         }
2097
2098         /* Min wait time if loop down */
2099         mtime = jiffies + (min_wait * HZ);
2100
2101         /* wait time before firmware ready */
2102         wtime = jiffies + (wait_time * HZ);
2103
2104         /* Wait for ISP to finish LIP */
2105         if (!vha->flags.init_done)
2106                 ql_log(ql_log_info, vha, 0x801e,
2107                     "Waiting for LIP to complete.\n");
2108
2109         do {
2110                 memset(state, -1, sizeof(state));
2111                 rval = qla2x00_get_firmware_state(vha, state);
2112                 if (rval == QLA_SUCCESS) {
2113                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
2114                                 vha->device_flags &= ~DFLG_NO_CABLE;
2115                         }
2116                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2117                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
2118                                     "fw_state=%x 84xx=%x.\n", state[0],
2119                                     state[2]);
2120                                 if ((state[2] & FSTATE_LOGGED_IN) &&
2121                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2122                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
2123                                             "Sending verify iocb.\n");
2124
2125                                         cs84xx_time = jiffies;
2126                                         rval = qla84xx_init_chip(vha);
2127                                         if (rval != QLA_SUCCESS) {
2128                                                 ql_log(ql_log_warn,
2129                                                     vha, 0x8007,
2130                                                     "Init chip failed.\n");
2131                                                 break;
2132                                         }
2133
2134                                         /* Add time taken to initialize. */
2135                                         cs84xx_time = jiffies - cs84xx_time;
2136                                         wtime += cs84xx_time;
2137                                         mtime += cs84xx_time;
2138                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
2139                                             "Increasing wait time by %ld. "
2140                                             "New time %ld.\n", cs84xx_time,
2141                                             wtime);
2142                                 }
2143                         } else if (state[0] == FSTATE_READY) {
2144                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2145                                     "F/W Ready - OK.\n");
2146
2147                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2148                                     &ha->login_timeout, &ha->r_a_tov);
2149
2150                                 rval = QLA_SUCCESS;
2151                                 break;
2152                         }
2153
2154                         rval = QLA_FUNCTION_FAILED;
2155
2156                         if (atomic_read(&vha->loop_down_timer) &&
2157                             state[0] != FSTATE_READY) {
2158                                 /* Loop down. Timeout on min_wait for states
2159                                  * other than Wait for Login.
2160                                  */
2161                                 if (time_after_eq(jiffies, mtime)) {
2162                                         ql_log(ql_log_info, vha, 0x8038,
2163                                             "Cable is unplugged...\n");
2164
2165                                         vha->device_flags |= DFLG_NO_CABLE;
2166                                         break;
2167                                 }
2168                         }
2169                 } else {
2170                         /* Mailbox cmd failed. Timeout on min_wait. */
2171                         if (time_after_eq(jiffies, mtime) ||
2172                                 ha->flags.isp82xx_fw_hung)
2173                                 break;
2174                 }
2175
2176                 if (time_after_eq(jiffies, wtime))
2177                         break;
2178
2179                 /* Delay for a while */
2180                 msleep(500);
2181         } while (1);
2182
2183         ql_dbg(ql_dbg_taskm, vha, 0x803a,
2184             "fw_state=%x (%x, %x, %x, %x) " "curr time=%lx.\n", state[0],
2185             state[1], state[2], state[3], state[4], jiffies);
2186
2187         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2188                 ql_log(ql_log_warn, vha, 0x803b,
2189                     "Firmware ready **** FAILED ****.\n");
2190         }
2191
2192         return (rval);
2193 }
2194
2195 /*
2196 *  qla2x00_configure_hba
2197 *      Setup adapter context.
2198 *
2199 * Input:
2200 *      ha = adapter state pointer.
2201 *
2202 * Returns:
2203 *      0 = success
2204 *
2205 * Context:
2206 *      Kernel context.
2207 */
2208 static int
2209 qla2x00_configure_hba(scsi_qla_host_t *vha)
2210 {
2211         int       rval;
2212         uint16_t      loop_id;
2213         uint16_t      topo;
2214         uint16_t      sw_cap;
2215         uint8_t       al_pa;
2216         uint8_t       area;
2217         uint8_t       domain;
2218         char            connect_type[22];
2219         struct qla_hw_data *ha = vha->hw;
2220         unsigned long flags;
2221         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2222
2223         /* Get host addresses. */
2224         rval = qla2x00_get_adapter_id(vha,
2225             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2226         if (rval != QLA_SUCCESS) {
2227                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2228                     IS_CNA_CAPABLE(ha) ||
2229                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2230                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2231                             "Loop is in a transition state.\n");
2232                 } else {
2233                         ql_log(ql_log_warn, vha, 0x2009,
2234                             "Unable to get host loop ID.\n");
2235                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2236                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2237                                 ql_log(ql_log_warn, vha, 0x1151,
2238                                     "Doing link init.\n");
2239                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2240                                         return rval;
2241                         }
2242                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2243                 }
2244                 return (rval);
2245         }
2246
2247         if (topo == 4) {
2248                 ql_log(ql_log_info, vha, 0x200a,
2249                     "Cannot get topology - retrying.\n");
2250                 return (QLA_FUNCTION_FAILED);
2251         }
2252
2253         vha->loop_id = loop_id;
2254
2255         /* initialize */
2256         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2257         ha->operating_mode = LOOP;
2258         ha->switch_cap = 0;
2259
2260         switch (topo) {
2261         case 0:
2262                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2263                 ha->current_topology = ISP_CFG_NL;
2264                 strcpy(connect_type, "(Loop)");
2265                 break;
2266
2267         case 1:
2268                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2269                 ha->switch_cap = sw_cap;
2270                 ha->current_topology = ISP_CFG_FL;
2271                 strcpy(connect_type, "(FL_Port)");
2272                 break;
2273
2274         case 2:
2275                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2276                 ha->operating_mode = P2P;
2277                 ha->current_topology = ISP_CFG_N;
2278                 strcpy(connect_type, "(N_Port-to-N_Port)");
2279                 break;
2280
2281         case 3:
2282                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2283                 ha->switch_cap = sw_cap;
2284                 ha->operating_mode = P2P;
2285                 ha->current_topology = ISP_CFG_F;
2286                 strcpy(connect_type, "(F_Port)");
2287                 break;
2288
2289         default:
2290                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2291                     "HBA in unknown topology %x, using NL.\n", topo);
2292                 ha->current_topology = ISP_CFG_NL;
2293                 strcpy(connect_type, "(Loop)");
2294                 break;
2295         }
2296
2297         /* Save Host port and loop ID. */
2298         /* byte order - Big Endian */
2299         vha->d_id.b.domain = domain;
2300         vha->d_id.b.area = area;
2301         vha->d_id.b.al_pa = al_pa;
2302
2303         spin_lock_irqsave(&ha->vport_slock, flags);
2304         qlt_update_vp_map(vha, SET_AL_PA);
2305         spin_unlock_irqrestore(&ha->vport_slock, flags);
2306
2307         if (!vha->flags.init_done)
2308                 ql_log(ql_log_info, vha, 0x2010,
2309                     "Topology - %s, Host Loop address 0x%x.\n",
2310                     connect_type, vha->loop_id);
2311
2312         if (rval) {
2313                 ql_log(ql_log_warn, vha, 0x2011,
2314                     "%s FAILED\n", __func__);
2315         } else {
2316                 ql_dbg(ql_dbg_disc, vha, 0x2012,
2317                     "%s success\n", __func__);
2318         }
2319
2320         return(rval);
2321 }
2322
2323 inline void
2324 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2325         char *def)
2326 {
2327         char *st, *en;
2328         uint16_t index;
2329         struct qla_hw_data *ha = vha->hw;
2330         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2331             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2332
2333         if (memcmp(model, BINZERO, len) != 0) {
2334                 strncpy(ha->model_number, model, len);
2335                 st = en = ha->model_number;
2336                 en += len - 1;
2337                 while (en > st) {
2338                         if (*en != 0x20 && *en != 0x00)
2339                                 break;
2340                         *en-- = '\0';
2341                 }
2342
2343                 index = (ha->pdev->subsystem_device & 0xff);
2344                 if (use_tbl &&
2345                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2346                     index < QLA_MODEL_NAMES)
2347                         strncpy(ha->model_desc,
2348                             qla2x00_model_name[index * 2 + 1],
2349                             sizeof(ha->model_desc) - 1);
2350         } else {
2351                 index = (ha->pdev->subsystem_device & 0xff);
2352                 if (use_tbl &&
2353                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2354                     index < QLA_MODEL_NAMES) {
2355                         strcpy(ha->model_number,
2356                             qla2x00_model_name[index * 2]);
2357                         strncpy(ha->model_desc,
2358                             qla2x00_model_name[index * 2 + 1],
2359                             sizeof(ha->model_desc) - 1);
2360                 } else {
2361                         strcpy(ha->model_number, def);
2362                 }
2363         }
2364         if (IS_FWI2_CAPABLE(ha))
2365                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2366                     sizeof(ha->model_desc));
2367 }
2368
2369 /* On sparc systems, obtain port and node WWN from firmware
2370  * properties.
2371  */
2372 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2373 {
2374 #ifdef CONFIG_SPARC
2375         struct qla_hw_data *ha = vha->hw;
2376         struct pci_dev *pdev = ha->pdev;
2377         struct device_node *dp = pci_device_to_OF_node(pdev);
2378         const u8 *val;
2379         int len;
2380
2381         val = of_get_property(dp, "port-wwn", &len);
2382         if (val && len >= WWN_SIZE)
2383                 memcpy(nv->port_name, val, WWN_SIZE);
2384
2385         val = of_get_property(dp, "node-wwn", &len);
2386         if (val && len >= WWN_SIZE)
2387                 memcpy(nv->node_name, val, WWN_SIZE);
2388 #endif
2389 }
2390
2391 /*
2392 * NVRAM configuration for ISP 2xxx
2393 *
2394 * Input:
2395 *      ha                = adapter block pointer.
2396 *
2397 * Output:
2398 *      initialization control block in response_ring
2399 *      host adapters parameters in host adapter block
2400 *
2401 * Returns:
2402 *      0 = success.
2403 */
2404 int
2405 qla2x00_nvram_config(scsi_qla_host_t *vha)
2406 {
2407         int             rval;
2408         uint8_t         chksum = 0;
2409         uint16_t        cnt;
2410         uint8_t         *dptr1, *dptr2;
2411         struct qla_hw_data *ha = vha->hw;
2412         init_cb_t       *icb = ha->init_cb;
2413         nvram_t         *nv = ha->nvram;
2414         uint8_t         *ptr = ha->nvram;
2415         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2416
2417         rval = QLA_SUCCESS;
2418
2419         /* Determine NVRAM starting address. */
2420         ha->nvram_size = sizeof(nvram_t);
2421         ha->nvram_base = 0;
2422         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2423                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2424                         ha->nvram_base = 0x80;
2425
2426         /* Get NVRAM data and calculate checksum. */
2427         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2428         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2429                 chksum += *ptr++;
2430
2431         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2432             "Contents of NVRAM.\n");
2433         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2434             (uint8_t *)nv, ha->nvram_size);
2435
2436         /* Bad NVRAM data, set defaults parameters. */
2437         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2438             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2439                 /* Reset NVRAM data. */
2440                 ql_log(ql_log_warn, vha, 0x0064,
2441                     "Inconsistent NVRAM "
2442                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2443                     chksum, nv->id[0], nv->nvram_version);
2444                 ql_log(ql_log_warn, vha, 0x0065,
2445                     "Falling back to "
2446                     "functioning (yet invalid -- WWPN) defaults.\n");
2447
2448                 /*
2449                  * Set default initialization control block.
2450                  */
2451                 memset(nv, 0, ha->nvram_size);
2452                 nv->parameter_block_version = ICB_VERSION;
2453
2454                 if (IS_QLA23XX(ha)) {
2455                         nv->firmware_options[0] = BIT_2 | BIT_1;
2456                         nv->firmware_options[1] = BIT_7 | BIT_5;
2457                         nv->add_firmware_options[0] = BIT_5;
2458                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2459                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2460                         nv->special_options[1] = BIT_7;
2461                 } else if (IS_QLA2200(ha)) {
2462                         nv->firmware_options[0] = BIT_2 | BIT_1;
2463                         nv->firmware_options[1] = BIT_7 | BIT_5;
2464                         nv->add_firmware_options[0] = BIT_5;
2465                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2466                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2467                 } else if (IS_QLA2100(ha)) {
2468                         nv->firmware_options[0] = BIT_3 | BIT_1;
2469                         nv->firmware_options[1] = BIT_5;
2470                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2471                 }
2472
2473                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2474                 nv->execution_throttle = __constant_cpu_to_le16(16);
2475                 nv->retry_count = 8;
2476                 nv->retry_delay = 1;
2477
2478                 nv->port_name[0] = 33;
2479                 nv->port_name[3] = 224;
2480                 nv->port_name[4] = 139;
2481
2482                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2483
2484                 nv->login_timeout = 4;
2485
2486                 /*
2487                  * Set default host adapter parameters
2488                  */
2489                 nv->host_p[1] = BIT_2;
2490                 nv->reset_delay = 5;
2491                 nv->port_down_retry_count = 8;
2492                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2493                 nv->link_down_timeout = 60;
2494
2495                 rval = 1;
2496         }
2497
2498 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2499         /*
2500          * The SN2 does not provide BIOS emulation which means you can't change
2501          * potentially bogus BIOS settings. Force the use of default settings
2502          * for link rate and frame size.  Hope that the rest of the settings
2503          * are valid.
2504          */
2505         if (ia64_platform_is("sn2")) {
2506                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2507                 if (IS_QLA23XX(ha))
2508                         nv->special_options[1] = BIT_7;
2509         }
2510 #endif
2511
2512         /* Reset Initialization control block */
2513         memset(icb, 0, ha->init_cb_size);
2514
2515         /*
2516          * Setup driver NVRAM options.
2517          */
2518         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2519         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2520         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2521         nv->firmware_options[1] &= ~BIT_4;
2522
2523         if (IS_QLA23XX(ha)) {
2524                 nv->firmware_options[0] |= BIT_2;
2525                 nv->firmware_options[0] &= ~BIT_3;
2526                 nv->special_options[0] &= ~BIT_6;
2527                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2528
2529                 if (IS_QLA2300(ha)) {
2530                         if (ha->fb_rev == FPM_2310) {
2531                                 strcpy(ha->model_number, "QLA2310");
2532                         } else {
2533                                 strcpy(ha->model_number, "QLA2300");
2534                         }
2535                 } else {
2536                         qla2x00_set_model_info(vha, nv->model_number,
2537                             sizeof(nv->model_number), "QLA23xx");
2538                 }
2539         } else if (IS_QLA2200(ha)) {
2540                 nv->firmware_options[0] |= BIT_2;
2541                 /*
2542                  * 'Point-to-point preferred, else loop' is not a safe
2543                  * connection mode setting.
2544                  */
2545                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2546                     (BIT_5 | BIT_4)) {
2547                         /* Force 'loop preferred, else point-to-point'. */
2548                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2549                         nv->add_firmware_options[0] |= BIT_5;
2550                 }
2551                 strcpy(ha->model_number, "QLA22xx");
2552         } else /*if (IS_QLA2100(ha))*/ {
2553                 strcpy(ha->model_number, "QLA2100");
2554         }
2555
2556         /*
2557          * Copy over NVRAM RISC parameter block to initialization control block.
2558          */
2559         dptr1 = (uint8_t *)icb;
2560         dptr2 = (uint8_t *)&nv->parameter_block_version;
2561         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2562         while (cnt--)
2563                 *dptr1++ = *dptr2++;
2564
2565         /* Copy 2nd half. */
2566         dptr1 = (uint8_t *)icb->add_firmware_options;
2567         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2568         while (cnt--)
2569                 *dptr1++ = *dptr2++;
2570
2571         /* Use alternate WWN? */
2572         if (nv->host_p[1] & BIT_7) {
2573                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2574                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2575         }
2576
2577         /* Prepare nodename */
2578         if ((icb->firmware_options[1] & BIT_6) == 0) {
2579                 /*
2580                  * Firmware will apply the following mask if the nodename was
2581                  * not provided.
2582                  */
2583                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2584                 icb->node_name[0] &= 0xF0;
2585         }
2586
2587         /*
2588          * Set host adapter parameters.
2589          */
2590
2591         /*
2592          * BIT_7 in the host-parameters section allows for modification to
2593          * internal driver logging.
2594          */
2595         if (nv->host_p[0] & BIT_7)
2596                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2597         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2598         /* Always load RISC code on non ISP2[12]00 chips. */
2599         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2600                 ha->flags.disable_risc_code_load = 0;
2601         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2602         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2603         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2604         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2605         ha->flags.disable_serdes = 0;
2606
2607         ha->operating_mode =
2608             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2609
2610         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2611             sizeof(ha->fw_seriallink_options));
2612
2613         /* save HBA serial number */
2614         ha->serial0 = icb->port_name[5];
2615         ha->serial1 = icb->port_name[6];
2616         ha->serial2 = icb->port_name[7];
2617         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2618         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2619
2620         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2621
2622         ha->retry_count = nv->retry_count;
2623
2624         /* Set minimum login_timeout to 4 seconds. */
2625         if (nv->login_timeout != ql2xlogintimeout)
2626                 nv->login_timeout = ql2xlogintimeout;
2627         if (nv->login_timeout < 4)
2628                 nv->login_timeout = 4;
2629         ha->login_timeout = nv->login_timeout;
2630         icb->login_timeout = nv->login_timeout;
2631
2632         /* Set minimum RATOV to 100 tenths of a second. */
2633         ha->r_a_tov = 100;
2634
2635         ha->loop_reset_delay = nv->reset_delay;
2636
2637         /* Link Down Timeout = 0:
2638          *
2639          *      When Port Down timer expires we will start returning
2640          *      I/O's to OS with "DID_NO_CONNECT".
2641          *
2642          * Link Down Timeout != 0:
2643          *
2644          *       The driver waits for the link to come up after link down
2645          *       before returning I/Os to OS with "DID_NO_CONNECT".
2646          */
2647         if (nv->link_down_timeout == 0) {
2648                 ha->loop_down_abort_time =
2649                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2650         } else {
2651                 ha->link_down_timeout =  nv->link_down_timeout;
2652                 ha->loop_down_abort_time =
2653                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2654         }
2655
2656         /*
2657          * Need enough time to try and get the port back.
2658          */
2659         ha->port_down_retry_count = nv->port_down_retry_count;
2660         if (qlport_down_retry)
2661                 ha->port_down_retry_count = qlport_down_retry;
2662         /* Set login_retry_count */
2663         ha->login_retry_count  = nv->retry_count;
2664         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2665             ha->port_down_retry_count > 3)
2666                 ha->login_retry_count = ha->port_down_retry_count;
2667         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2668                 ha->login_retry_count = ha->port_down_retry_count;
2669         if (ql2xloginretrycount)
2670                 ha->login_retry_count = ql2xloginretrycount;
2671
2672         icb->lun_enables = __constant_cpu_to_le16(0);
2673         icb->command_resource_count = 0;
2674         icb->immediate_notify_resource_count = 0;
2675         icb->timeout = __constant_cpu_to_le16(0);
2676
2677         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2678                 /* Enable RIO */
2679                 icb->firmware_options[0] &= ~BIT_3;
2680                 icb->add_firmware_options[0] &=
2681                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2682                 icb->add_firmware_options[0] |= BIT_2;
2683                 icb->response_accumulation_timer = 3;
2684                 icb->interrupt_delay_timer = 5;
2685
2686                 vha->flags.process_response_queue = 1;
2687         } else {
2688                 /* Enable ZIO. */
2689                 if (!vha->flags.init_done) {
2690                         ha->zio_mode = icb->add_firmware_options[0] &
2691                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2692                         ha->zio_timer = icb->interrupt_delay_timer ?
2693                             icb->interrupt_delay_timer: 2;
2694                 }
2695                 icb->add_firmware_options[0] &=
2696                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2697                 vha->flags.process_response_queue = 0;
2698                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2699                         ha->zio_mode = QLA_ZIO_MODE_6;
2700
2701                         ql_log(ql_log_info, vha, 0x0068,
2702                             "ZIO mode %d enabled; timer delay (%d us).\n",
2703                             ha->zio_mode, ha->zio_timer * 100);
2704
2705                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2706                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2707                         vha->flags.process_response_queue = 1;
2708                 }
2709         }
2710
2711         if (rval) {
2712                 ql_log(ql_log_warn, vha, 0x0069,
2713                     "NVRAM configuration failed.\n");
2714         }
2715         return (rval);
2716 }
2717
2718 static void
2719 qla2x00_rport_del(void *data)
2720 {
2721         fc_port_t *fcport = data;
2722         struct fc_rport *rport;
2723         scsi_qla_host_t *vha = fcport->vha;
2724         unsigned long flags;
2725
2726         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2727         rport = fcport->drport ? fcport->drport: fcport->rport;
2728         fcport->drport = NULL;
2729         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2730         if (rport) {
2731                 fc_remote_port_delete(rport);
2732                 /*
2733                  * Release the target mode FC NEXUS in qla_target.c code
2734                  * if target mod is enabled.
2735                  */
2736                 qlt_fc_port_deleted(vha, fcport);
2737         }
2738 }
2739
2740 /**
2741  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2742  * @ha: HA context
2743  * @flags: allocation flags
2744  *
2745  * Returns a pointer to the allocated fcport, or NULL, if none available.
2746  */
2747 fc_port_t *
2748 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2749 {
2750         fc_port_t *fcport;
2751
2752         fcport = kzalloc(sizeof(fc_port_t), flags);
2753         if (!fcport)
2754                 return NULL;
2755
2756         /* Setup fcport template structure. */
2757         fcport->vha = vha;
2758         fcport->port_type = FCT_UNKNOWN;
2759         fcport->loop_id = FC_NO_LOOP_ID;
2760         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2761         fcport->supported_classes = FC_COS_UNSPECIFIED;
2762
2763         return fcport;
2764 }
2765
2766 /*
2767  * qla2x00_configure_loop
2768  *      Updates Fibre Channel Device Database with what is actually on loop.
2769  *
2770  * Input:
2771  *      ha                = adapter block pointer.
2772  *
2773  * Returns:
2774  *      0 = success.
2775  *      1 = error.
2776  *      2 = database was full and device was not configured.
2777  */
2778 static int
2779 qla2x00_configure_loop(scsi_qla_host_t *vha)
2780 {
2781         int  rval;
2782         unsigned long flags, save_flags;
2783         struct qla_hw_data *ha = vha->hw;
2784         rval = QLA_SUCCESS;
2785
2786         /* Get Initiator ID */
2787         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2788                 rval = qla2x00_configure_hba(vha);
2789                 if (rval != QLA_SUCCESS) {
2790                         ql_dbg(ql_dbg_disc, vha, 0x2013,
2791                             "Unable to configure HBA.\n");
2792                         return (rval);
2793                 }
2794         }
2795
2796         save_flags = flags = vha->dpc_flags;
2797         ql_dbg(ql_dbg_disc, vha, 0x2014,
2798             "Configure loop -- dpc flags = 0x%lx.\n", flags);
2799
2800         /*
2801          * If we have both an RSCN and PORT UPDATE pending then handle them
2802          * both at the same time.
2803          */
2804         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2805         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2806
2807         qla2x00_get_data_rate(vha);
2808
2809         /* Determine what we need to do */
2810         if (ha->current_topology == ISP_CFG_FL &&
2811             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2812
2813                 set_bit(RSCN_UPDATE, &flags);
2814
2815         } else if (ha->current_topology == ISP_CFG_F &&
2816             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2817
2818                 set_bit(RSCN_UPDATE, &flags);
2819                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2820
2821         } else if (ha->current_topology == ISP_CFG_N) {
2822                 clear_bit(RSCN_UPDATE, &flags);
2823
2824         } else if (!vha->flags.online ||
2825             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2826
2827                 set_bit(RSCN_UPDATE, &flags);
2828                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2829         }
2830
2831         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2832                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2833                         ql_dbg(ql_dbg_disc, vha, 0x2015,
2834                             "Loop resync needed, failing.\n");
2835                         rval = QLA_FUNCTION_FAILED;
2836                 } else
2837                         rval = qla2x00_configure_local_loop(vha);
2838         }
2839
2840         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2841                 if (LOOP_TRANSITION(vha)) {
2842                         ql_dbg(ql_dbg_disc, vha, 0x201e,
2843                             "Needs RSCN update and loop transition.\n");
2844                         rval = QLA_FUNCTION_FAILED;
2845                 }
2846                 else
2847                         rval = qla2x00_configure_fabric(vha);
2848         }
2849
2850         if (rval == QLA_SUCCESS) {
2851                 if (atomic_read(&vha->loop_down_timer) ||
2852                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2853                         rval = QLA_FUNCTION_FAILED;
2854                 } else {
2855                         atomic_set(&vha->loop_state, LOOP_READY);
2856                         ql_dbg(ql_dbg_disc, vha, 0x2069,
2857                             "LOOP READY.\n");
2858                 }
2859         }
2860
2861         if (rval) {
2862                 ql_dbg(ql_dbg_disc, vha, 0x206a,
2863                     "%s *** FAILED ***.\n", __func__);
2864         } else {
2865                 ql_dbg(ql_dbg_disc, vha, 0x206b,
2866                     "%s: exiting normally.\n", __func__);
2867         }
2868
2869         /* Restore state if a resync event occurred during processing */
2870         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2871                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2872                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2873                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2874                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2875                 }
2876         }
2877
2878         return (rval);
2879 }
2880
2881
2882
2883 /*
2884  * qla2x00_configure_local_loop
2885  *      Updates Fibre Channel Device Database with local loop devices.
2886  *
2887  * Input:
2888  *      ha = adapter block pointer.
2889  *
2890  * Returns:
2891  *      0 = success.
2892  */
2893 static int
2894 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2895 {
2896         int             rval, rval2;
2897         int             found_devs;
2898         int             found;
2899         fc_port_t       *fcport, *new_fcport;
2900
2901         uint16_t        index;
2902         uint16_t        entries;
2903         char            *id_iter;
2904         uint16_t        loop_id;
2905         uint8_t         domain, area, al_pa;
2906         struct qla_hw_data *ha = vha->hw;
2907
2908         found_devs = 0;
2909         new_fcport = NULL;
2910         entries = MAX_FIBRE_DEVICES_LOOP;
2911
2912         /* Get list of logged in devices. */
2913         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
2914         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2915             &entries);
2916         if (rval != QLA_SUCCESS)
2917                 goto cleanup_allocation;
2918
2919         ql_dbg(ql_dbg_disc, vha, 0x2017,
2920             "Entries in ID list (%d).\n", entries);
2921         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
2922             (uint8_t *)ha->gid_list,
2923             entries * sizeof(struct gid_list_info));
2924
2925         /* Allocate temporary fcport for any new fcports discovered. */
2926         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2927         if (new_fcport == NULL) {
2928                 ql_log(ql_log_warn, vha, 0x2018,
2929                     "Memory allocation failed for fcport.\n");
2930                 rval = QLA_MEMORY_ALLOC_FAILED;
2931                 goto cleanup_allocation;
2932         }
2933         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2934
2935         /*
2936          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2937          */
2938         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2939                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2940                     fcport->port_type != FCT_BROADCAST &&
2941                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2942
2943                         ql_dbg(ql_dbg_disc, vha, 0x2019,
2944                             "Marking port lost loop_id=0x%04x.\n",
2945                             fcport->loop_id);
2946
2947                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2948                 }
2949         }
2950
2951         /* Add devices to port list. */
2952         id_iter = (char *)ha->gid_list;
2953         for (index = 0; index < entries; index++) {
2954                 domain = ((struct gid_list_info *)id_iter)->domain;
2955                 area = ((struct gid_list_info *)id_iter)->area;
2956                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2957                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2958                         loop_id = (uint16_t)
2959                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2960                 else
2961                         loop_id = le16_to_cpu(
2962                             ((struct gid_list_info *)id_iter)->loop_id);
2963                 id_iter += ha->gid_list_info_size;
2964
2965                 /* Bypass reserved domain fields. */
2966                 if ((domain & 0xf0) == 0xf0)
2967                         continue;
2968
2969                 /* Bypass if not same domain and area of adapter. */
2970                 if (area && domain &&
2971                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2972                         continue;
2973
2974                 /* Bypass invalid local loop ID. */
2975                 if (loop_id > LAST_LOCAL_LOOP_ID)
2976                         continue;
2977
2978                 memset(new_fcport, 0, sizeof(fc_port_t));
2979
2980                 /* Fill in member data. */
2981                 new_fcport->d_id.b.domain = domain;
2982                 new_fcport->d_id.b.area = area;
2983                 new_fcport->d_id.b.al_pa = al_pa;
2984                 new_fcport->loop_id = loop_id;
2985                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2986                 if (rval2 != QLA_SUCCESS) {
2987                         ql_dbg(ql_dbg_disc, vha, 0x201a,
2988                             "Failed to retrieve fcport information "
2989                             "-- get_port_database=%x, loop_id=0x%04x.\n",
2990                             rval2, new_fcport->loop_id);
2991                         ql_dbg(ql_dbg_disc, vha, 0x201b,
2992                             "Scheduling resync.\n");
2993                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2994                         continue;
2995                 }
2996
2997                 /* Check for matching device in port list. */
2998                 found = 0;
2999                 fcport = NULL;
3000                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3001                         if (memcmp(new_fcport->port_name, fcport->port_name,
3002                             WWN_SIZE))
3003                                 continue;
3004
3005                         fcport->flags &= ~FCF_FABRIC_DEVICE;
3006                         fcport->loop_id = new_fcport->loop_id;
3007                         fcport->port_type = new_fcport->port_type;
3008                         fcport->d_id.b24 = new_fcport->d_id.b24;
3009                         memcpy(fcport->node_name, new_fcport->node_name,
3010                             WWN_SIZE);
3011
3012                         found++;
3013                         break;
3014                 }
3015
3016                 if (!found) {
3017                         /* New device, add to fcports list. */
3018                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
3019
3020                         /* Allocate a new replacement fcport. */
3021                         fcport = new_fcport;
3022                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3023                         if (new_fcport == NULL) {
3024                                 ql_log(ql_log_warn, vha, 0x201c,
3025                                     "Failed to allocate memory for fcport.\n");
3026                                 rval = QLA_MEMORY_ALLOC_FAILED;
3027                                 goto cleanup_allocation;
3028                         }
3029                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3030                 }
3031
3032                 /* Base iIDMA settings on HBA port speed. */
3033                 fcport->fp_speed = ha->link_data_rate;
3034
3035                 qla2x00_update_fcport(vha, fcport);
3036
3037                 found_devs++;
3038         }
3039
3040 cleanup_allocation:
3041         kfree(new_fcport);
3042
3043         if (rval != QLA_SUCCESS) {
3044                 ql_dbg(ql_dbg_disc, vha, 0x201d,
3045                     "Configure local loop error exit: rval=%x.\n", rval);
3046         }
3047
3048         return (rval);
3049 }
3050
3051 static void
3052 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3053 {
3054         int rval;
3055         uint16_t mb[4];
3056         struct qla_hw_data *ha = vha->hw;
3057
3058         if (!IS_IIDMA_CAPABLE(ha))
3059                 return;
3060
3061         if (atomic_read(&fcport->state) != FCS_ONLINE)
3062                 return;
3063
3064         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3065             fcport->fp_speed > ha->link_data_rate)
3066                 return;
3067
3068         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3069             mb);
3070         if (rval != QLA_SUCCESS) {
3071                 ql_dbg(ql_dbg_disc, vha, 0x2004,
3072                     "Unable to adjust iIDMA "
3073                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x "
3074                     "%04x.\n", fcport->port_name[0], fcport->port_name[1],
3075                     fcport->port_name[2], fcport->port_name[3],
3076                     fcport->port_name[4], fcport->port_name[5],
3077                     fcport->port_name[6], fcport->port_name[7], rval,
3078                     fcport->fp_speed, mb[0], mb[1]);
3079         } else {
3080                 ql_dbg(ql_dbg_disc, vha, 0x2005,
3081                     "iIDMA adjusted to %s GB/s "
3082                     "on %02x%02x%02x%02x%02x%02x%02x%02x.\n",
3083                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3084                     fcport->port_name[0], fcport->port_name[1],
3085                     fcport->port_name[2], fcport->port_name[3],
3086                     fcport->port_name[4], fcport->port_name[5],
3087                     fcport->port_name[6], fcport->port_name[7]);
3088         }
3089 }
3090
3091 static void
3092 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3093 {
3094         struct fc_rport_identifiers rport_ids;
3095         struct fc_rport *rport;
3096         unsigned long flags;
3097
3098         qla2x00_rport_del(fcport);
3099
3100         rport_ids.node_name = wwn_to_u64(fcport->node_name);
3101         rport_ids.port_name = wwn_to_u64(fcport->port_name);
3102         rport_ids.port_id = fcport->d_id.b.domain << 16 |
3103             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3104         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3105         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3106         if (!rport) {
3107                 ql_log(ql_log_warn, vha, 0x2006,
3108                     "Unable to allocate fc remote port.\n");
3109                 return;
3110         }
3111         /*
3112          * Create target mode FC NEXUS in qla_target.c if target mode is
3113          * enabled..
3114          */
3115         qlt_fc_port_added(vha, fcport);
3116
3117         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3118         *((fc_port_t **)rport->dd_data) = fcport;
3119         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3120
3121         rport->supported_classes = fcport->supported_classes;
3122
3123         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3124         if (fcport->port_type == FCT_INITIATOR)
3125                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3126         if (fcport->port_type == FCT_TARGET)
3127                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3128         fc_remote_port_rolechg(rport, rport_ids.roles);
3129 }
3130
3131 /*
3132  * qla2x00_update_fcport
3133  *      Updates device on list.
3134  *
3135  * Input:
3136  *      ha = adapter block pointer.
3137  *      fcport = port structure pointer.
3138  *
3139  * Return:
3140  *      0  - Success
3141  *  BIT_0 - error
3142  *
3143  * Context:
3144  *      Kernel context.
3145  */
3146 void
3147 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3148 {
3149         fcport->vha = vha;
3150
3151         if (IS_QLAFX00(vha->hw)) {
3152                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3153                 qla2x00_reg_remote_port(vha, fcport);
3154                 return;
3155         }
3156         fcport->login_retry = 0;
3157         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3158
3159         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3160         qla2x00_iidma_fcport(vha, fcport);
3161         qla24xx_update_fcport_fcp_prio(vha, fcport);
3162         qla2x00_reg_remote_port(vha, fcport);
3163 }
3164
3165 /*
3166  * qla2x00_configure_fabric
3167  *      Setup SNS devices with loop ID's.
3168  *
3169  * Input:
3170  *      ha = adapter block pointer.
3171  *
3172  * Returns:
3173  *      0 = success.
3174  *      BIT_0 = error
3175  */
3176 static int
3177 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3178 {
3179         int     rval;
3180         fc_port_t       *fcport, *fcptemp;
3181         uint16_t        next_loopid;
3182         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3183         uint16_t        loop_id;
3184         LIST_HEAD(new_fcports);
3185         struct qla_hw_data *ha = vha->hw;
3186         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3187
3188         /* If FL port exists, then SNS is present */
3189         if (IS_FWI2_CAPABLE(ha))
3190                 loop_id = NPH_F_PORT;
3191         else
3192                 loop_id = SNS_FL_PORT;
3193         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3194         if (rval != QLA_SUCCESS) {
3195                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3196                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3197
3198                 vha->device_flags &= ~SWITCH_FOUND;
3199                 return (QLA_SUCCESS);
3200         }
3201         vha->device_flags |= SWITCH_FOUND;
3202
3203         do {
3204                 /* FDMI support. */
3205                 if (ql2xfdmienable &&
3206                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3207                         qla2x00_fdmi_register(vha);
3208
3209                 /* Ensure we are logged into the SNS. */
3210                 if (IS_FWI2_CAPABLE(ha))
3211                         loop_id = NPH_SNS;
3212                 else
3213                         loop_id = SIMPLE_NAME_SERVER;
3214                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3215                     0xfc, mb, BIT_1|BIT_0);
3216                 if (rval != QLA_SUCCESS) {
3217                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3218                         return rval;
3219                 }
3220                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3221                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3222                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3223                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3224                             mb[2], mb[6], mb[7]);
3225                         return (QLA_SUCCESS);
3226                 }
3227
3228                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3229                         if (qla2x00_rft_id(vha)) {
3230                                 /* EMPTY */
3231                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3232                                     "Register FC-4 TYPE failed.\n");
3233                         }
3234                         if (qla2x00_rff_id(vha)) {
3235                                 /* EMPTY */
3236                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3237                                     "Register FC-4 Features failed.\n");
3238                         }
3239                         if (qla2x00_rnn_id(vha)) {
3240                                 /* EMPTY */
3241                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3242                                     "Register Node Name failed.\n");
3243                         } else if (qla2x00_rsnn_nn(vha)) {
3244                                 /* EMPTY */
3245                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3246                                     "Register Symobilic Node Name failed.\n");
3247                         }
3248                 }
3249
3250 #define QLA_FCPORT_SCAN         1
3251 #define QLA_FCPORT_FOUND        2
3252
3253                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3254                         fcport->scan_state = QLA_FCPORT_SCAN;
3255                 }
3256
3257                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3258                 if (rval != QLA_SUCCESS)
3259                         break;
3260
3261                 /*
3262                  * Logout all previous fabric devices marked lost, except
3263                  * FCP2 devices.
3264                  */
3265                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3266                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3267                                 break;
3268
3269                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3270                                 continue;
3271
3272                         if (fcport->scan_state == QLA_FCPORT_SCAN &&
3273                             atomic_read(&fcport->state) == FCS_ONLINE) {
3274                                 qla2x00_mark_device_lost(vha, fcport,
3275                                     ql2xplogiabsentdevice, 0);
3276                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3277                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3278                                     fcport->port_type != FCT_INITIATOR &&
3279                                     fcport->port_type != FCT_BROADCAST) {
3280                                         ha->isp_ops->fabric_logout(vha,
3281                                             fcport->loop_id,
3282                                             fcport->d_id.b.domain,
3283                                             fcport->d_id.b.area,
3284                                             fcport->d_id.b.al_pa);
3285                                         fcport->loop_id = FC_NO_LOOP_ID;
3286                                 }
3287                         }
3288                 }
3289
3290                 /* Starting free loop ID. */
3291                 next_loopid = ha->min_external_loopid;
3292
3293                 /*
3294                  * Scan through our port list and login entries that need to be
3295                  * logged in.
3296                  */
3297                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3298                         if (atomic_read(&vha->loop_down_timer) ||
3299                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3300                                 break;
3301
3302                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3303                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3304                                 continue;
3305
3306                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3307                                 fcport->loop_id = next_loopid;
3308                                 rval = qla2x00_find_new_loop_id(
3309                                     base_vha, fcport);
3310                                 if (rval != QLA_SUCCESS) {
3311                                         /* Ran out of IDs to use */
3312                                         break;
3313                                 }
3314                         }
3315                         /* Login and update database */
3316                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3317                 }
3318
3319                 /* Exit if out of loop IDs. */
3320                 if (rval != QLA_SUCCESS) {
3321                         break;
3322                 }
3323
3324                 /*
3325                  * Login and add the new devices to our port list.
3326                  */
3327                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3328                         if (atomic_read(&vha->loop_down_timer) ||
3329                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3330                                 break;
3331
3332                         /* Find a new loop ID to use. */
3333                         fcport->loop_id = next_loopid;
3334                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3335                         if (rval != QLA_SUCCESS) {
3336                                 /* Ran out of IDs to use */
3337                                 break;
3338                         }
3339
3340                         /* Login and update database */
3341                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3342
3343                         list_move_tail(&fcport->list, &vha->vp_fcports);
3344                 }
3345         } while (0);
3346
3347         /* Free all new device structures not processed. */
3348         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3349                 list_del(&fcport->list);
3350                 kfree(fcport);
3351         }
3352
3353         if (rval) {
3354                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3355                     "Configure fabric error exit rval=%d.\n", rval);
3356         }
3357
3358         return (rval);
3359 }
3360
3361 /*
3362  * qla2x00_find_all_fabric_devs
3363  *
3364  * Input:
3365  *      ha = adapter block pointer.
3366  *      dev = database device entry pointer.
3367  *
3368  * Returns:
3369  *      0 = success.
3370  *
3371  * Context:
3372  *      Kernel context.
3373  */
3374 static int
3375 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3376         struct list_head *new_fcports)
3377 {
3378         int             rval;
3379         uint16_t        loop_id;
3380         fc_port_t       *fcport, *new_fcport, *fcptemp;
3381         int             found;
3382
3383         sw_info_t       *swl;
3384         int             swl_idx;
3385         int             first_dev, last_dev;
3386         port_id_t       wrap = {}, nxt_d_id;
3387         struct qla_hw_data *ha = vha->hw;
3388         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3389
3390         rval = QLA_SUCCESS;
3391
3392         /* Try GID_PT to get device list, else GAN. */
3393         if (!ha->swl)
3394                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3395                     GFP_KERNEL);
3396         swl = ha->swl;
3397         if (!swl) {
3398                 /*EMPTY*/
3399                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3400                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3401         } else {
3402                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3403                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3404                         swl = NULL;
3405                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3406                         swl = NULL;
3407                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3408                         swl = NULL;
3409                 } else if (ql2xiidmaenable &&
3410                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3411                         qla2x00_gpsc(vha, swl);
3412                 }
3413
3414                 /* If other queries succeeded probe for FC-4 type */
3415                 if (swl)
3416                         qla2x00_gff_id(vha, swl);
3417         }
3418         swl_idx = 0;
3419
3420         /* Allocate temporary fcport for any new fcports discovered. */
3421         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3422         if (new_fcport == NULL) {
3423                 ql_log(ql_log_warn, vha, 0x205e,
3424                     "Failed to allocate memory for fcport.\n");
3425                 return (QLA_MEMORY_ALLOC_FAILED);
3426         }
3427         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3428         /* Set start port ID scan at adapter ID. */
3429         first_dev = 1;
3430         last_dev = 0;
3431
3432         /* Starting free loop ID. */
3433         loop_id = ha->min_external_loopid;
3434         for (; loop_id <= ha->max_loop_id; loop_id++) {
3435                 if (qla2x00_is_reserved_id(vha, loop_id))
3436                         continue;
3437
3438                 if (ha->current_topology == ISP_CFG_FL &&
3439                     (atomic_read(&vha->loop_down_timer) ||
3440                      LOOP_TRANSITION(vha))) {
3441                         atomic_set(&vha->loop_down_timer, 0);
3442                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3443                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3444                         break;
3445                 }
3446
3447                 if (swl != NULL) {
3448                         if (last_dev) {
3449                                 wrap.b24 = new_fcport->d_id.b24;
3450                         } else {
3451                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3452                                 memcpy(new_fcport->node_name,
3453                                     swl[swl_idx].node_name, WWN_SIZE);
3454                                 memcpy(new_fcport->port_name,
3455                                     swl[swl_idx].port_name, WWN_SIZE);
3456                                 memcpy(new_fcport->fabric_port_name,
3457                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3458                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3459                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3460
3461                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3462                                         last_dev = 1;
3463                                 }
3464                                 swl_idx++;
3465                         }
3466                 } else {
3467                         /* Send GA_NXT to the switch */
3468                         rval = qla2x00_ga_nxt(vha, new_fcport);
3469                         if (rval != QLA_SUCCESS) {
3470                                 ql_log(ql_log_warn, vha, 0x2064,
3471                                     "SNS scan failed -- assuming "
3472                                     "zero-entry result.\n");
3473                                 list_for_each_entry_safe(fcport, fcptemp,
3474                                     new_fcports, list) {
3475                                         list_del(&fcport->list);
3476                                         kfree(fcport);
3477                                 }
3478                                 rval = QLA_SUCCESS;
3479                                 break;
3480                         }
3481                 }
3482
3483                 /* If wrap on switch device list, exit. */
3484                 if (first_dev) {
3485                         wrap.b24 = new_fcport->d_id.b24;
3486                         first_dev = 0;
3487                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3488                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3489                             "Device wrap (%02x%02x%02x).\n",
3490                             new_fcport->d_id.b.domain,
3491                             new_fcport->d_id.b.area,
3492                             new_fcport->d_id.b.al_pa);
3493                         break;
3494                 }
3495
3496                 /* Bypass if same physical adapter. */
3497                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3498                         continue;
3499
3500                 /* Bypass virtual ports of the same host. */
3501                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3502                         continue;
3503
3504                 /* Bypass if same domain and area of adapter. */
3505                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3506                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3507                         ISP_CFG_FL)
3508                             continue;
3509
3510                 /* Bypass reserved domain fields. */
3511                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3512                         continue;
3513
3514                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3515                 if (ql2xgffidenable &&
3516                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3517                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3518                         continue;
3519
3520                 /* Locate matching device in database. */
3521                 found = 0;
3522                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3523                         if (memcmp(new_fcport->port_name, fcport->port_name,
3524                             WWN_SIZE))
3525                                 continue;
3526
3527                         fcport->scan_state = QLA_FCPORT_FOUND;
3528
3529                         found++;
3530
3531                         /* Update port state. */
3532                         memcpy(fcport->fabric_port_name,
3533                             new_fcport->fabric_port_name, WWN_SIZE);
3534                         fcport->fp_speed = new_fcport->fp_speed;
3535
3536                         /*
3537                          * If address the same and state FCS_ONLINE, nothing
3538                          * changed.
3539                          */
3540                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3541                             atomic_read(&fcport->state) == FCS_ONLINE) {
3542                                 break;
3543                         }
3544
3545                         /*
3546                          * If device was not a fabric device before.
3547                          */
3548                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3549                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3550                                 qla2x00_clear_loop_id(fcport);
3551                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3552                                     FCF_LOGIN_NEEDED);
3553                                 break;
3554                         }
3555
3556                         /*
3557                          * Port ID changed or device was marked to be updated;
3558                          * Log it out if still logged in and mark it for
3559                          * relogin later.
3560                          */
3561                         fcport->d_id.b24 = new_fcport->d_id.b24;
3562                         fcport->flags |= FCF_LOGIN_NEEDED;
3563                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3564                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3565                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3566                             fcport->port_type != FCT_INITIATOR &&
3567                             fcport->port_type != FCT_BROADCAST) {
3568                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3569                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3570                                     fcport->d_id.b.al_pa);
3571                                 qla2x00_clear_loop_id(fcport);
3572                         }
3573
3574                         break;
3575                 }
3576
3577                 if (found)
3578                         continue;
3579                 /* If device was not in our fcports list, then add it. */
3580                 list_add_tail(&new_fcport->list, new_fcports);
3581
3582                 /* Allocate a new replacement fcport. */
3583                 nxt_d_id.b24 = new_fcport->d_id.b24;
3584                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3585                 if (new_fcport == NULL) {
3586                         ql_log(ql_log_warn, vha, 0x2066,
3587                             "Memory allocation failed for fcport.\n");
3588                         return (QLA_MEMORY_ALLOC_FAILED);
3589                 }
3590                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3591                 new_fcport->d_id.b24 = nxt_d_id.b24;
3592         }
3593
3594         kfree(new_fcport);
3595
3596         return (rval);
3597 }
3598
3599 /*
3600  * qla2x00_find_new_loop_id
3601  *      Scan through our port list and find a new usable loop ID.
3602  *
3603  * Input:
3604  *      ha:     adapter state pointer.
3605  *      dev:    port structure pointer.
3606  *
3607  * Returns:
3608  *      qla2x00 local function return status code.
3609  *
3610  * Context:
3611  *      Kernel context.
3612  */
3613 int
3614 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3615 {
3616         int     rval;
3617         struct qla_hw_data *ha = vha->hw;
3618         unsigned long flags = 0;
3619
3620         rval = QLA_SUCCESS;
3621
3622         spin_lock_irqsave(&ha->vport_slock, flags);
3623
3624         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3625             LOOPID_MAP_SIZE);
3626         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3627             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3628                 dev->loop_id = FC_NO_LOOP_ID;
3629                 rval = QLA_FUNCTION_FAILED;
3630         } else
3631                 set_bit(dev->loop_id, ha->loop_id_map);
3632
3633         spin_unlock_irqrestore(&ha->vport_slock, flags);
3634
3635         if (rval == QLA_SUCCESS)
3636                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3637                     "Assigning new loopid=%x, portid=%x.\n",
3638                     dev->loop_id, dev->d_id.b24);
3639         else
3640                 ql_log(ql_log_warn, dev->vha, 0x2087,
3641                     "No loop_id's available, portid=%x.\n",
3642                     dev->d_id.b24);
3643
3644         return (rval);
3645 }
3646
3647 /*
3648  * qla2x00_fabric_dev_login
3649  *      Login fabric target device and update FC port database.
3650  *
3651  * Input:
3652  *      ha:             adapter state pointer.
3653  *      fcport:         port structure list pointer.
3654  *      next_loopid:    contains value of a new loop ID that can be used
3655  *                      by the next login attempt.
3656  *
3657  * Returns:
3658  *      qla2x00 local function return status code.
3659  *
3660  * Context:
3661  *      Kernel context.
3662  */
3663 static int
3664 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3665     uint16_t *next_loopid)
3666 {
3667         int     rval;
3668         int     retry;
3669         uint8_t opts;
3670         struct qla_hw_data *ha = vha->hw;
3671
3672         rval = QLA_SUCCESS;
3673         retry = 0;
3674
3675         if (IS_ALOGIO_CAPABLE(ha)) {
3676                 if (fcport->flags & FCF_ASYNC_SENT)
3677                         return rval;
3678                 fcport->flags |= FCF_ASYNC_SENT;
3679                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3680                 if (!rval)
3681                         return rval;
3682         }
3683
3684         fcport->flags &= ~FCF_ASYNC_SENT;
3685         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3686         if (rval == QLA_SUCCESS) {
3687                 /* Send an ADISC to FCP2 devices.*/
3688                 opts = 0;
3689                 if (fcport->flags & FCF_FCP2_DEVICE)
3690                         opts |= BIT_1;
3691                 rval = qla2x00_get_port_database(vha, fcport, opts);
3692                 if (rval != QLA_SUCCESS) {
3693                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3694                             fcport->d_id.b.domain, fcport->d_id.b.area,
3695                             fcport->d_id.b.al_pa);
3696                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3697                 } else {
3698                         qla2x00_update_fcport(vha, fcport);
3699                 }
3700         } else {
3701                 /* Retry Login. */
3702                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3703         }
3704
3705         return (rval);
3706 }
3707
3708 /*
3709  * qla2x00_fabric_login
3710  *      Issue fabric login command.
3711  *
3712  * Input:
3713  *      ha = adapter block pointer.
3714  *      device = pointer to FC device type structure.
3715  *
3716  * Returns:
3717  *      0 - Login successfully
3718  *      1 - Login failed
3719  *      2 - Initiator device
3720  *      3 - Fatal error
3721  */
3722 int
3723 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3724     uint16_t *next_loopid)
3725 {
3726         int     rval;
3727         int     retry;
3728         uint16_t tmp_loopid;
3729         uint16_t mb[MAILBOX_REGISTER_COUNT];
3730         struct qla_hw_data *ha = vha->hw;
3731
3732         retry = 0;
3733         tmp_loopid = 0;
3734
3735         for (;;) {
3736                 ql_dbg(ql_dbg_disc, vha, 0x2000,
3737                     "Trying Fabric Login w/loop id 0x%04x for port "
3738                     "%02x%02x%02x.\n",
3739                     fcport->loop_id, fcport->d_id.b.domain,
3740                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
3741
3742                 /* Login fcport on switch. */
3743                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
3744                     fcport->d_id.b.domain, fcport->d_id.b.area,
3745                     fcport->d_id.b.al_pa, mb, BIT_0);
3746                 if (rval != QLA_SUCCESS) {
3747                         return rval;
3748                 }
3749                 if (mb[0] == MBS_PORT_ID_USED) {
3750                         /*
3751                          * Device has another loop ID.  The firmware team
3752                          * recommends the driver perform an implicit login with
3753                          * the specified ID again. The ID we just used is save
3754                          * here so we return with an ID that can be tried by
3755                          * the next login.
3756                          */
3757                         retry++;
3758                         tmp_loopid = fcport->loop_id;
3759                         fcport->loop_id = mb[1];
3760
3761                         ql_dbg(ql_dbg_disc, vha, 0x2001,
3762                             "Fabric Login: port in use - next loop "
3763                             "id=0x%04x, port id= %02x%02x%02x.\n",
3764                             fcport->loop_id, fcport->d_id.b.domain,
3765                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
3766
3767                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3768                         /*
3769                          * Login succeeded.
3770                          */
3771                         if (retry) {
3772                                 /* A retry occurred before. */
3773                                 *next_loopid = tmp_loopid;
3774                         } else {
3775                                 /*
3776                                  * No retry occurred before. Just increment the
3777                                  * ID value for next login.
3778                                  */
3779                                 *next_loopid = (fcport->loop_id + 1);
3780                         }
3781
3782                         if (mb[1] & BIT_0) {
3783                                 fcport->port_type = FCT_INITIATOR;
3784                         } else {
3785                                 fcport->port_type = FCT_TARGET;
3786                                 if (mb[1] & BIT_1) {
3787                                         fcport->flags |= FCF_FCP2_DEVICE;
3788                                 }
3789                         }
3790
3791                         if (mb[10] & BIT_0)
3792                                 fcport->supported_classes |= FC_COS_CLASS2;
3793                         if (mb[10] & BIT_1)
3794                                 fcport->supported_classes |= FC_COS_CLASS3;
3795
3796                         if (IS_FWI2_CAPABLE(ha)) {
3797                                 if (mb[10] & BIT_7)
3798                                         fcport->flags |=
3799                                             FCF_CONF_COMP_SUPPORTED;
3800                         }
3801
3802                         rval = QLA_SUCCESS;
3803                         break;
3804                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3805                         /*
3806                          * Loop ID already used, try next loop ID.
3807                          */
3808                         fcport->loop_id++;
3809                         rval = qla2x00_find_new_loop_id(vha, fcport);
3810                         if (rval != QLA_SUCCESS) {
3811                                 /* Ran out of loop IDs to use */
3812                                 break;
3813                         }
3814                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3815                         /*
3816                          * Firmware possibly timed out during login. If NO
3817                          * retries are left to do then the device is declared
3818                          * dead.
3819                          */
3820                         *next_loopid = fcport->loop_id;
3821                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3822                             fcport->d_id.b.domain, fcport->d_id.b.area,
3823                             fcport->d_id.b.al_pa);
3824                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3825
3826                         rval = 1;
3827                         break;
3828                 } else {
3829                         /*
3830                          * unrecoverable / not handled error
3831                          */
3832                         ql_dbg(ql_dbg_disc, vha, 0x2002,
3833                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3834                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3835                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
3836                             fcport->loop_id, jiffies);
3837
3838                         *next_loopid = fcport->loop_id;
3839                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3840                             fcport->d_id.b.domain, fcport->d_id.b.area,
3841                             fcport->d_id.b.al_pa);
3842                         qla2x00_clear_loop_id(fcport);
3843                         fcport->login_retry = 0;
3844
3845                         rval = 3;
3846                         break;
3847                 }
3848         }
3849
3850         return (rval);
3851 }
3852
3853 /*
3854  * qla2x00_local_device_login
3855  *      Issue local device login command.
3856  *
3857  * Input:
3858  *      ha = adapter block pointer.
3859  *      loop_id = loop id of device to login to.
3860  *
3861  * Returns (Where's the #define!!!!):
3862  *      0 - Login successfully
3863  *      1 - Login failed
3864  *      3 - Fatal error
3865  */
3866 int
3867 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3868 {
3869         int             rval;
3870         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3871
3872         memset(mb, 0, sizeof(mb));
3873         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3874         if (rval == QLA_SUCCESS) {
3875                 /* Interrogate mailbox registers for any errors */
3876                 if (mb[0] == MBS_COMMAND_ERROR)
3877                         rval = 1;
3878                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3879                         /* device not in PCB table */
3880                         rval = 3;
3881         }
3882
3883         return (rval);
3884 }
3885
3886 /*
3887  *  qla2x00_loop_resync
3888  *      Resync with fibre channel devices.
3889  *
3890  * Input:
3891  *      ha = adapter block pointer.
3892  *
3893  * Returns:
3894  *      0 = success
3895  */
3896 int
3897 qla2x00_loop_resync(scsi_qla_host_t *vha)
3898 {
3899         int rval = QLA_SUCCESS;
3900         uint32_t wait_time;
3901         struct req_que *req;
3902         struct rsp_que *rsp;
3903
3904         if (vha->hw->flags.cpu_affinity_enabled)
3905                 req = vha->hw->req_q_map[0];
3906         else
3907                 req = vha->req;
3908         rsp = req->rsp;
3909
3910         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3911         if (vha->flags.online) {
3912                 if (!(rval = qla2x00_fw_ready(vha))) {
3913                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3914                         wait_time = 256;
3915                         do {
3916                                 if (!IS_QLAFX00(vha->hw)) {
3917                                         /*
3918                                          * Issue a marker after FW becomes
3919                                          * ready.
3920                                          */
3921                                         qla2x00_marker(vha, req, rsp, 0, 0,
3922                                                 MK_SYNC_ALL);
3923                                         vha->marker_needed = 0;
3924                                 }
3925
3926                                 /* Remap devices on Loop. */
3927                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3928
3929                                 if (IS_QLAFX00(vha->hw))
3930                                         qlafx00_configure_devices(vha);
3931                                 else
3932                                         qla2x00_configure_loop(vha);
3933
3934                                 wait_time--;
3935                         } while (!atomic_read(&vha->loop_down_timer) &&
3936                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3937                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3938                                 &vha->dpc_flags)));
3939                 }
3940         }
3941
3942         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3943                 return (QLA_FUNCTION_FAILED);
3944
3945         if (rval)
3946                 ql_dbg(ql_dbg_disc, vha, 0x206c,
3947                     "%s *** FAILED ***.\n", __func__);
3948
3949         return (rval);
3950 }
3951
3952 /*
3953 * qla2x00_perform_loop_resync
3954 * Description: This function will set the appropriate flags and call
3955 *              qla2x00_loop_resync. If successful loop will be resynced
3956 * Arguments : scsi_qla_host_t pointer
3957 * returm    : Success or Failure
3958 */
3959
3960 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3961 {
3962         int32_t rval = 0;
3963
3964         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3965                 /*Configure the flags so that resync happens properly*/
3966                 atomic_set(&ha->loop_down_timer, 0);
3967                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3968                         atomic_set(&ha->loop_state, LOOP_UP);
3969                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3970                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3971                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3972
3973                         rval = qla2x00_loop_resync(ha);
3974                 } else
3975                         atomic_set(&ha->loop_state, LOOP_DEAD);
3976
3977                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3978         }
3979
3980         return rval;
3981 }
3982
3983 void
3984 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3985 {
3986         fc_port_t *fcport;
3987         struct scsi_qla_host *vha;
3988         struct qla_hw_data *ha = base_vha->hw;
3989         unsigned long flags;
3990
3991         spin_lock_irqsave(&ha->vport_slock, flags);
3992         /* Go with deferred removal of rport references. */
3993         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3994                 atomic_inc(&vha->vref_count);
3995                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3996                         if (fcport->drport &&
3997                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3998                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3999                                 qla2x00_rport_del(fcport);
4000                                 spin_lock_irqsave(&ha->vport_slock, flags);
4001                         }
4002                 }
4003                 atomic_dec(&vha->vref_count);
4004         }
4005         spin_unlock_irqrestore(&ha->vport_slock, flags);
4006 }
4007
4008 /* Assumes idc_lock always held on entry */
4009 void
4010 qla83xx_reset_ownership(scsi_qla_host_t *vha)
4011 {
4012         struct qla_hw_data *ha = vha->hw;
4013         uint32_t drv_presence, drv_presence_mask;
4014         uint32_t dev_part_info1, dev_part_info2, class_type;
4015         uint32_t class_type_mask = 0x3;
4016         uint16_t fcoe_other_function = 0xffff, i;
4017
4018         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4019
4020         qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4021         qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4022         for (i = 0; i < 8; i++) {
4023                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4024                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4025                     (i != ha->portnum)) {
4026                         fcoe_other_function = i;
4027                         break;
4028                 }
4029         }
4030         if (fcoe_other_function == 0xffff) {
4031                 for (i = 0; i < 8; i++) {
4032                         class_type = ((dev_part_info2 >> (i * 4)) &
4033                             class_type_mask);
4034                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4035                             ((i + 8) != ha->portnum)) {
4036                                 fcoe_other_function = i + 8;
4037                                 break;
4038                         }
4039                 }
4040         }
4041         /*
4042          * Prepare drv-presence mask based on fcoe functions present.
4043          * However consider only valid physical fcoe function numbers (0-15).
4044          */
4045         drv_presence_mask = ~((1 << (ha->portnum)) |
4046                         ((fcoe_other_function == 0xffff) ?
4047                          0 : (1 << (fcoe_other_function))));
4048
4049         /* We are the reset owner iff:
4050          *    - No other protocol drivers present.
4051          *    - This is the lowest among fcoe functions. */
4052         if (!(drv_presence & drv_presence_mask) &&
4053                         (ha->portnum < fcoe_other_function)) {
4054                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4055                     "This host is Reset owner.\n");
4056                 ha->flags.nic_core_reset_owner = 1;
4057         }
4058 }
4059
4060 static int
4061 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4062 {
4063         int rval = QLA_SUCCESS;
4064         struct qla_hw_data *ha = vha->hw;
4065         uint32_t drv_ack;
4066
4067         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4068         if (rval == QLA_SUCCESS) {
4069                 drv_ack |= (1 << ha->portnum);
4070                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4071         }
4072
4073         return rval;
4074 }
4075
4076 static int
4077 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4078 {
4079         int rval = QLA_SUCCESS;
4080         struct qla_hw_data *ha = vha->hw;
4081         uint32_t drv_ack;
4082
4083         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4084         if (rval == QLA_SUCCESS) {
4085                 drv_ack &= ~(1 << ha->portnum);
4086                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4087         }
4088
4089         return rval;
4090 }
4091
4092 static const char *
4093 qla83xx_dev_state_to_string(uint32_t dev_state)
4094 {
4095         switch (dev_state) {
4096         case QLA8XXX_DEV_COLD:
4097                 return "COLD/RE-INIT";
4098         case QLA8XXX_DEV_INITIALIZING:
4099                 return "INITIALIZING";
4100         case QLA8XXX_DEV_READY:
4101                 return "READY";
4102         case QLA8XXX_DEV_NEED_RESET:
4103                 return "NEED RESET";
4104         case QLA8XXX_DEV_NEED_QUIESCENT:
4105                 return "NEED QUIESCENT";
4106         case QLA8XXX_DEV_FAILED:
4107                 return "FAILED";
4108         case QLA8XXX_DEV_QUIESCENT:
4109                 return "QUIESCENT";
4110         default:
4111                 return "Unknown";
4112         }
4113 }
4114
4115 /* Assumes idc-lock always held on entry */
4116 void
4117 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4118 {
4119         struct qla_hw_data *ha = vha->hw;
4120         uint32_t idc_audit_reg = 0, duration_secs = 0;
4121
4122         switch (audit_type) {
4123         case IDC_AUDIT_TIMESTAMP:
4124                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4125                 idc_audit_reg = (ha->portnum) |
4126                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4127                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4128                 break;
4129
4130         case IDC_AUDIT_COMPLETION:
4131                 duration_secs = ((jiffies_to_msecs(jiffies) -
4132                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4133                 idc_audit_reg = (ha->portnum) |
4134                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4135                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4136                 break;
4137
4138         default:
4139                 ql_log(ql_log_warn, vha, 0xb078,
4140                     "Invalid audit type specified.\n");
4141                 break;
4142         }
4143 }
4144
4145 /* Assumes idc_lock always held on entry */
4146 static int
4147 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4148 {
4149         struct qla_hw_data *ha = vha->hw;
4150         uint32_t  idc_control, dev_state;
4151
4152         __qla83xx_get_idc_control(vha, &idc_control);
4153         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4154                 ql_log(ql_log_info, vha, 0xb080,
4155                     "NIC Core reset has been disabled. idc-control=0x%x\n",
4156                     idc_control);
4157                 return QLA_FUNCTION_FAILED;
4158         }
4159
4160         /* Set NEED-RESET iff in READY state and we are the reset-owner */
4161         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4162         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4163                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4164                     QLA8XXX_DEV_NEED_RESET);
4165                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4166                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4167         } else {
4168                 const char *state = qla83xx_dev_state_to_string(dev_state);
4169                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4170
4171                 /* SV: XXX: Is timeout required here? */
4172                 /* Wait for IDC state change READY -> NEED_RESET */
4173                 while (dev_state == QLA8XXX_DEV_READY) {
4174                         qla83xx_idc_unlock(vha, 0);
4175                         msleep(200);
4176                         qla83xx_idc_lock(vha, 0);
4177                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4178                 }
4179         }
4180
4181         /* Send IDC ack by writing to drv-ack register */
4182         __qla83xx_set_drv_ack(vha);
4183
4184         return QLA_SUCCESS;
4185 }
4186
4187 int
4188 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4189 {
4190         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4191 }
4192
4193 int
4194 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4195 {
4196         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4197 }
4198
4199 static int
4200 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4201 {
4202         uint32_t drv_presence = 0;
4203         struct qla_hw_data *ha = vha->hw;
4204
4205         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4206         if (drv_presence & (1 << ha->portnum))
4207                 return QLA_SUCCESS;
4208         else
4209                 return QLA_TEST_FAILED;
4210 }
4211
4212 int
4213 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4214 {
4215         int rval = QLA_SUCCESS;
4216         struct qla_hw_data *ha = vha->hw;
4217
4218         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4219             "Entered  %s().\n", __func__);
4220
4221         if (vha->device_flags & DFLG_DEV_FAILED) {
4222                 ql_log(ql_log_warn, vha, 0xb059,
4223                     "Device in unrecoverable FAILED state.\n");
4224                 return QLA_FUNCTION_FAILED;
4225         }
4226
4227         qla83xx_idc_lock(vha, 0);
4228
4229         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4230                 ql_log(ql_log_warn, vha, 0xb05a,
4231                     "Function=0x%x has been removed from IDC participation.\n",
4232                     ha->portnum);
4233                 rval = QLA_FUNCTION_FAILED;
4234                 goto exit;
4235         }
4236
4237         qla83xx_reset_ownership(vha);
4238
4239         rval = qla83xx_initiating_reset(vha);
4240
4241         /*
4242          * Perform reset if we are the reset-owner,
4243          * else wait till IDC state changes to READY/FAILED.
4244          */
4245         if (rval == QLA_SUCCESS) {
4246                 rval = qla83xx_idc_state_handler(vha);
4247
4248                 if (rval == QLA_SUCCESS)
4249                         ha->flags.nic_core_hung = 0;
4250                 __qla83xx_clear_drv_ack(vha);
4251         }
4252
4253 exit:
4254         qla83xx_idc_unlock(vha, 0);
4255
4256         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4257
4258         return rval;
4259 }
4260
4261 int
4262 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4263 {
4264         struct qla_hw_data *ha = vha->hw;
4265         int rval = QLA_FUNCTION_FAILED;
4266
4267         if (!IS_MCTP_CAPABLE(ha)) {
4268                 /* This message can be removed from the final version */
4269                 ql_log(ql_log_info, vha, 0x506d,
4270                     "This board is not MCTP capable\n");
4271                 return rval;
4272         }
4273
4274         if (!ha->mctp_dump) {
4275                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4276                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4277
4278                 if (!ha->mctp_dump) {
4279                         ql_log(ql_log_warn, vha, 0x506e,
4280                             "Failed to allocate memory for mctp dump\n");
4281                         return rval;
4282                 }
4283         }
4284
4285 #define MCTP_DUMP_STR_ADDR      0x00000000
4286         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4287             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4288         if (rval != QLA_SUCCESS) {
4289                 ql_log(ql_log_warn, vha, 0x506f,
4290                     "Failed to capture mctp dump\n");
4291         } else {
4292                 ql_log(ql_log_info, vha, 0x5070,
4293                     "Mctp dump capture for host (%ld/%p).\n",
4294                     vha->host_no, ha->mctp_dump);
4295                 ha->mctp_dumped = 1;
4296         }
4297
4298         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4299                 ha->flags.nic_core_reset_hdlr_active = 1;
4300                 rval = qla83xx_restart_nic_firmware(vha);
4301                 if (rval)
4302                         /* NIC Core reset failed. */
4303                         ql_log(ql_log_warn, vha, 0x5071,
4304                             "Failed to restart nic firmware\n");
4305                 else
4306                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4307                             "Restarted NIC firmware successfully.\n");
4308                 ha->flags.nic_core_reset_hdlr_active = 0;
4309         }
4310
4311         return rval;
4312
4313 }
4314
4315 /*
4316 * qla2x00_quiesce_io
4317 * Description: This function will block the new I/Os
4318 *              Its not aborting any I/Os as context
4319 *              is not destroyed during quiescence
4320 * Arguments: scsi_qla_host_t
4321 * return   : void
4322 */
4323 void
4324 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4325 {
4326         struct qla_hw_data *ha = vha->hw;
4327         struct scsi_qla_host *vp;
4328
4329         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4330             "Quiescing I/O - ha=%p.\n", ha);
4331
4332         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4333         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4334                 atomic_set(&vha->loop_state, LOOP_DOWN);
4335                 qla2x00_mark_all_devices_lost(vha, 0);
4336                 list_for_each_entry(vp, &ha->vp_list, list)
4337                         qla2x00_mark_all_devices_lost(vp, 0);
4338         } else {
4339                 if (!atomic_read(&vha->loop_down_timer))
4340                         atomic_set(&vha->loop_down_timer,
4341                                         LOOP_DOWN_TIME);
4342         }
4343         /* Wait for pending cmds to complete */
4344         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4345 }
4346
4347 void
4348 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4349 {
4350         struct qla_hw_data *ha = vha->hw;
4351         struct scsi_qla_host *vp;
4352         unsigned long flags;
4353         fc_port_t *fcport;
4354
4355         /* For ISP82XX, driver waits for completion of the commands.
4356          * online flag should be set.
4357          */
4358         if (!IS_QLA82XX(ha))
4359                 vha->flags.online = 0;
4360         ha->flags.chip_reset_done = 0;
4361         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4362         vha->qla_stats.total_isp_aborts++;
4363
4364         ql_log(ql_log_info, vha, 0x00af,
4365             "Performing ISP error recovery - ha=%p.\n", ha);
4366
4367         /* For ISP82XX, reset_chip is just disabling interrupts.
4368          * Driver waits for the completion of the commands.
4369          * the interrupts need to be enabled.
4370          */
4371         if (!IS_QLA82XX(ha))
4372                 ha->isp_ops->reset_chip(vha);
4373
4374         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4375         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4376                 atomic_set(&vha->loop_state, LOOP_DOWN);
4377                 qla2x00_mark_all_devices_lost(vha, 0);
4378
4379                 spin_lock_irqsave(&ha->vport_slock, flags);
4380                 list_for_each_entry(vp, &ha->vp_list, list) {
4381                         atomic_inc(&vp->vref_count);
4382                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4383
4384                         qla2x00_mark_all_devices_lost(vp, 0);
4385
4386                         spin_lock_irqsave(&ha->vport_slock, flags);
4387                         atomic_dec(&vp->vref_count);
4388                 }
4389                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4390         } else {
4391                 if (!atomic_read(&vha->loop_down_timer))
4392                         atomic_set(&vha->loop_down_timer,
4393                             LOOP_DOWN_TIME);
4394         }
4395
4396         /* Clear all async request states across all VPs. */
4397         list_for_each_entry(fcport, &vha->vp_fcports, list)
4398                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4399         spin_lock_irqsave(&ha->vport_slock, flags);
4400         list_for_each_entry(vp, &ha->vp_list, list) {
4401                 atomic_inc(&vp->vref_count);
4402                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4403
4404                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4405                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4406
4407                 spin_lock_irqsave(&ha->vport_slock, flags);
4408                 atomic_dec(&vp->vref_count);
4409         }
4410         spin_unlock_irqrestore(&ha->vport_slock, flags);
4411
4412         if (!ha->flags.eeh_busy) {
4413                 /* Make sure for ISP 82XX IO DMA is complete */
4414                 if (IS_QLA82XX(ha)) {
4415                         qla82xx_chip_reset_cleanup(vha);
4416                         ql_log(ql_log_info, vha, 0x00b4,
4417                             "Done chip reset cleanup.\n");
4418
4419                         /* Done waiting for pending commands.
4420                          * Reset the online flag.
4421                          */
4422                         vha->flags.online = 0;
4423                 }
4424
4425                 /* Requeue all commands in outstanding command list. */
4426                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4427         }
4428 }
4429
4430 /*
4431 *  qla2x00_abort_isp
4432 *      Resets ISP and aborts all outstanding commands.
4433 *
4434 * Input:
4435 *      ha           = adapter block pointer.
4436 *
4437 * Returns:
4438 *      0 = success
4439 */
4440 int
4441 qla2x00_abort_isp(scsi_qla_host_t *vha)
4442 {
4443         int rval;
4444         uint8_t        status = 0;
4445         struct qla_hw_data *ha = vha->hw;
4446         struct scsi_qla_host *vp;
4447         struct req_que *req = ha->req_q_map[0];
4448         unsigned long flags;
4449
4450         if (vha->flags.online) {
4451                 qla2x00_abort_isp_cleanup(vha);
4452
4453                 if (IS_QLA8031(ha)) {
4454                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4455                             "Clearing fcoe driver presence.\n");
4456                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4457                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4458                                     "Error while clearing DRV-Presence.\n");
4459                 }
4460
4461                 if (unlikely(pci_channel_offline(ha->pdev) &&
4462                     ha->flags.pci_channel_io_perm_failure)) {
4463                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4464                         status = 0;
4465                         return status;
4466                 }
4467
4468                 ha->isp_ops->get_flash_version(vha, req->ring);
4469
4470                 ha->isp_ops->nvram_config(vha);
4471
4472                 if (!qla2x00_restart_isp(vha)) {
4473                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4474
4475                         if (!atomic_read(&vha->loop_down_timer)) {
4476                                 /*
4477                                  * Issue marker command only when we are going
4478                                  * to start the I/O .
4479                                  */
4480                                 vha->marker_needed = 1;
4481                         }
4482
4483                         vha->flags.online = 1;
4484
4485                         ha->isp_ops->enable_intrs(ha);
4486
4487                         ha->isp_abort_cnt = 0;
4488                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4489
4490                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4491                                 qla2x00_get_fw_version(vha);
4492                         if (ha->fce) {
4493                                 ha->flags.fce_enabled = 1;
4494                                 memset(ha->fce, 0,
4495                                     fce_calc_size(ha->fce_bufs));
4496                                 rval = qla2x00_enable_fce_trace(vha,
4497                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4498                                     &ha->fce_bufs);
4499                                 if (rval) {
4500                                         ql_log(ql_log_warn, vha, 0x8033,
4501                                             "Unable to reinitialize FCE "
4502                                             "(%d).\n", rval);
4503                                         ha->flags.fce_enabled = 0;
4504                                 }
4505                         }
4506
4507                         if (ha->eft) {
4508                                 memset(ha->eft, 0, EFT_SIZE);
4509                                 rval = qla2x00_enable_eft_trace(vha,
4510                                     ha->eft_dma, EFT_NUM_BUFFERS);
4511                                 if (rval) {
4512                                         ql_log(ql_log_warn, vha, 0x8034,
4513                                             "Unable to reinitialize EFT "
4514                                             "(%d).\n", rval);
4515                                 }
4516                         }
4517                 } else {        /* failed the ISP abort */
4518                         vha->flags.online = 1;
4519                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4520                                 if (ha->isp_abort_cnt == 0) {
4521                                         ql_log(ql_log_fatal, vha, 0x8035,
4522                                             "ISP error recover failed - "
4523                                             "board disabled.\n");
4524                                         /*
4525                                          * The next call disables the board
4526                                          * completely.
4527                                          */
4528                                         ha->isp_ops->reset_adapter(vha);
4529                                         vha->flags.online = 0;
4530                                         clear_bit(ISP_ABORT_RETRY,
4531                                             &vha->dpc_flags);
4532                                         status = 0;
4533                                 } else { /* schedule another ISP abort */
4534                                         ha->isp_abort_cnt--;
4535                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4536                                             "ISP abort - retry remaining %d.\n",
4537                                             ha->isp_abort_cnt);
4538                                         status = 1;
4539                                 }
4540                         } else {
4541                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4542                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4543                                     "ISP error recovery - retrying (%d) "
4544                                     "more times.\n", ha->isp_abort_cnt);
4545                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4546                                 status = 1;
4547                         }
4548                 }
4549
4550         }
4551
4552         if (!status) {
4553                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4554
4555                 spin_lock_irqsave(&ha->vport_slock, flags);
4556                 list_for_each_entry(vp, &ha->vp_list, list) {
4557                         if (vp->vp_idx) {
4558                                 atomic_inc(&vp->vref_count);
4559                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4560
4561                                 qla2x00_vp_abort_isp(vp);
4562
4563                                 spin_lock_irqsave(&ha->vport_slock, flags);
4564                                 atomic_dec(&vp->vref_count);
4565                         }
4566                 }
4567                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4568
4569                 if (IS_QLA8031(ha)) {
4570                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4571                             "Setting back fcoe driver presence.\n");
4572                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4573                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4574                                     "Error while setting DRV-Presence.\n");
4575                 }
4576         } else {
4577                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4578                        __func__);
4579         }
4580
4581         return(status);
4582 }
4583
4584 /*
4585 *  qla2x00_restart_isp
4586 *      restarts the ISP after a reset
4587 *
4588 * Input:
4589 *      ha = adapter block pointer.
4590 *
4591 * Returns:
4592 *      0 = success
4593 */
4594 static int
4595 qla2x00_restart_isp(scsi_qla_host_t *vha)
4596 {
4597         int status = 0;
4598         uint32_t wait_time;
4599         struct qla_hw_data *ha = vha->hw;
4600         struct req_que *req = ha->req_q_map[0];
4601         struct rsp_que *rsp = ha->rsp_q_map[0];
4602         unsigned long flags;
4603
4604         /* If firmware needs to be loaded */
4605         if (qla2x00_isp_firmware(vha)) {
4606                 vha->flags.online = 0;
4607                 status = ha->isp_ops->chip_diag(vha);
4608                 if (!status)
4609                         status = qla2x00_setup_chip(vha);
4610         }
4611
4612         if (!status && !(status = qla2x00_init_rings(vha))) {
4613                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4614                 ha->flags.chip_reset_done = 1;
4615                 /* Initialize the queues in use */
4616                 qla25xx_init_queues(ha);
4617
4618                 status = qla2x00_fw_ready(vha);
4619                 if (!status) {
4620                         ql_dbg(ql_dbg_taskm, vha, 0x8031,
4621                             "Start configure loop status = %d.\n", status);
4622
4623                         /* Issue a marker after FW becomes ready. */
4624                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4625
4626                         vha->flags.online = 1;
4627
4628                         /*
4629                          * Process any ATIO queue entries that came in
4630                          * while we weren't online.
4631                          */
4632                         spin_lock_irqsave(&ha->hardware_lock, flags);
4633                         if (qla_tgt_mode_enabled(vha))
4634                                 qlt_24xx_process_atio_queue(vha);
4635                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4636
4637                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4638                         wait_time = 256;
4639                         do {
4640                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4641                                 qla2x00_configure_loop(vha);
4642                                 wait_time--;
4643                         } while (!atomic_read(&vha->loop_down_timer) &&
4644                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4645                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4646                                 &vha->dpc_flags)));
4647                 }
4648
4649                 /* if no cable then assume it's good */
4650                 if ((vha->device_flags & DFLG_NO_CABLE))
4651                         status = 0;
4652
4653                 ql_dbg(ql_dbg_taskm, vha, 0x8032,
4654                     "Configure loop done, status = 0x%x.\n", status);
4655         }
4656         return (status);
4657 }
4658
4659 static int
4660 qla25xx_init_queues(struct qla_hw_data *ha)
4661 {
4662         struct rsp_que *rsp = NULL;
4663         struct req_que *req = NULL;
4664         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4665         int ret = -1;
4666         int i;
4667
4668         for (i = 1; i < ha->max_rsp_queues; i++) {
4669                 rsp = ha->rsp_q_map[i];
4670                 if (rsp) {
4671                         rsp->options &= ~BIT_0;
4672                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4673                         if (ret != QLA_SUCCESS)
4674                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4675                                     "%s Rsp que: %d init failed.\n",
4676                                     __func__, rsp->id);
4677                         else
4678                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4679                                     "%s Rsp que: %d inited.\n",
4680                                     __func__, rsp->id);
4681                 }
4682         }
4683         for (i = 1; i < ha->max_req_queues; i++) {
4684                 req = ha->req_q_map[i];
4685                 if (req) {
4686                 /* Clear outstanding commands array. */
4687                         req->options &= ~BIT_0;
4688                         ret = qla25xx_init_req_que(base_vha, req);
4689                         if (ret != QLA_SUCCESS)
4690                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4691                                     "%s Req que: %d init failed.\n",
4692                                     __func__, req->id);
4693                         else
4694                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4695                                     "%s Req que: %d inited.\n",
4696                                     __func__, req->id);
4697                 }
4698         }
4699         return ret;
4700 }
4701
4702 /*
4703 * qla2x00_reset_adapter
4704 *      Reset adapter.
4705 *
4706 * Input:
4707 *      ha = adapter block pointer.
4708 */
4709 void
4710 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4711 {
4712         unsigned long flags = 0;
4713         struct qla_hw_data *ha = vha->hw;
4714         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4715
4716         vha->flags.online = 0;
4717         ha->isp_ops->disable_intrs(ha);
4718
4719         spin_lock_irqsave(&ha->hardware_lock, flags);
4720         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4721         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4722         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4723         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4724         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4725 }
4726
4727 void
4728 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4729 {
4730         unsigned long flags = 0;
4731         struct qla_hw_data *ha = vha->hw;
4732         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4733
4734         if (IS_QLA82XX(ha))
4735                 return;
4736
4737         vha->flags.online = 0;
4738         ha->isp_ops->disable_intrs(ha);
4739
4740         spin_lock_irqsave(&ha->hardware_lock, flags);
4741         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4742         RD_REG_DWORD(&reg->hccr);
4743         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4744         RD_REG_DWORD(&reg->hccr);
4745         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4746
4747         if (IS_NOPOLLING_TYPE(ha))
4748                 ha->isp_ops->enable_intrs(ha);
4749 }
4750
4751 /* On sparc systems, obtain port and node WWN from firmware
4752  * properties.
4753  */
4754 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4755         struct nvram_24xx *nv)
4756 {
4757 #ifdef CONFIG_SPARC
4758         struct qla_hw_data *ha = vha->hw;
4759         struct pci_dev *pdev = ha->pdev;
4760         struct device_node *dp = pci_device_to_OF_node(pdev);
4761         const u8 *val;
4762         int len;
4763
4764         val = of_get_property(dp, "port-wwn", &len);
4765         if (val && len >= WWN_SIZE)
4766                 memcpy(nv->port_name, val, WWN_SIZE);
4767
4768         val = of_get_property(dp, "node-wwn", &len);
4769         if (val && len >= WWN_SIZE)
4770                 memcpy(nv->node_name, val, WWN_SIZE);
4771 #endif
4772 }
4773
4774 int
4775 qla24xx_nvram_config(scsi_qla_host_t *vha)
4776 {
4777         int   rval;
4778         struct init_cb_24xx *icb;
4779         struct nvram_24xx *nv;
4780         uint32_t *dptr;
4781         uint8_t  *dptr1, *dptr2;
4782         uint32_t chksum;
4783         uint16_t cnt;
4784         struct qla_hw_data *ha = vha->hw;
4785
4786         rval = QLA_SUCCESS;
4787         icb = (struct init_cb_24xx *)ha->init_cb;
4788         nv = ha->nvram;
4789
4790         /* Determine NVRAM starting address. */
4791         if (ha->flags.port0) {
4792                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4793                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4794         } else {
4795                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4796                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4797         }
4798         ha->nvram_size = sizeof(struct nvram_24xx);
4799         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4800         if (IS_QLA82XX(ha))
4801                 ha->vpd_size = FA_VPD_SIZE_82XX;
4802
4803         /* Get VPD data into cache */
4804         ha->vpd = ha->nvram + VPD_OFFSET;
4805         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4806             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4807
4808         /* Get NVRAM data into cache and calculate checksum. */
4809         dptr = (uint32_t *)nv;
4810         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4811             ha->nvram_size);
4812         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4813                 chksum += le32_to_cpu(*dptr++);
4814
4815         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4816             "Contents of NVRAM\n");
4817         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4818             (uint8_t *)nv, ha->nvram_size);
4819
4820         /* Bad NVRAM data, set defaults parameters. */
4821         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4822             || nv->id[3] != ' ' ||
4823             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4824                 /* Reset NVRAM data. */
4825                 ql_log(ql_log_warn, vha, 0x006b,
4826                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
4827                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4828                 ql_log(ql_log_warn, vha, 0x006c,
4829                     "Falling back to functioning (yet invalid -- WWPN) "
4830                     "defaults.\n");
4831
4832                 /*
4833                  * Set default initialization control block.
4834                  */
4835                 memset(nv, 0, ha->nvram_size);
4836                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4837                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4838                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4839                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4840                 nv->exchange_count = __constant_cpu_to_le16(0);
4841                 nv->hard_address = __constant_cpu_to_le16(124);
4842                 nv->port_name[0] = 0x21;
4843                 nv->port_name[1] = 0x00 + ha->port_no;
4844                 nv->port_name[2] = 0x00;
4845                 nv->port_name[3] = 0xe0;
4846                 nv->port_name[4] = 0x8b;
4847                 nv->port_name[5] = 0x1c;
4848                 nv->port_name[6] = 0x55;
4849                 nv->port_name[7] = 0x86;
4850                 nv->node_name[0] = 0x20;
4851                 nv->node_name[1] = 0x00;
4852                 nv->node_name[2] = 0x00;
4853                 nv->node_name[3] = 0xe0;
4854                 nv->node_name[4] = 0x8b;
4855                 nv->node_name[5] = 0x1c;
4856                 nv->node_name[6] = 0x55;
4857                 nv->node_name[7] = 0x86;
4858                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4859                 nv->login_retry_count = __constant_cpu_to_le16(8);
4860                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4861                 nv->login_timeout = __constant_cpu_to_le16(0);
4862                 nv->firmware_options_1 =
4863                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4864                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4865                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4866                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4867                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4868                 nv->efi_parameters = __constant_cpu_to_le32(0);
4869                 nv->reset_delay = 5;
4870                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4871                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4872                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4873
4874                 rval = 1;
4875         }
4876
4877         if (!qla_ini_mode_enabled(vha)) {
4878                 /* Don't enable full login after initial LIP */
4879                 nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
4880                 /* Don't enable LIP full login for initiator */
4881                 nv->host_p &= __constant_cpu_to_le32(~BIT_10);
4882         }
4883
4884         qlt_24xx_config_nvram_stage1(vha, nv);
4885
4886         /* Reset Initialization control block */
4887         memset(icb, 0, ha->init_cb_size);
4888
4889         /* Copy 1st segment. */
4890         dptr1 = (uint8_t *)icb;
4891         dptr2 = (uint8_t *)&nv->version;
4892         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4893         while (cnt--)
4894                 *dptr1++ = *dptr2++;
4895
4896         icb->login_retry_count = nv->login_retry_count;
4897         icb->link_down_on_nos = nv->link_down_on_nos;
4898
4899         /* Copy 2nd segment. */
4900         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4901         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4902         cnt = (uint8_t *)&icb->reserved_3 -
4903             (uint8_t *)&icb->interrupt_delay_timer;
4904         while (cnt--)
4905                 *dptr1++ = *dptr2++;
4906
4907         /*
4908          * Setup driver NVRAM options.
4909          */
4910         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4911             "QLA2462");
4912
4913         qlt_24xx_config_nvram_stage2(vha, icb);
4914
4915         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4916                 /* Use alternate WWN? */
4917                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4918                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4919         }
4920
4921         /* Prepare nodename */
4922         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4923                 /*
4924                  * Firmware will apply the following mask if the nodename was
4925                  * not provided.
4926                  */
4927                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4928                 icb->node_name[0] &= 0xF0;
4929         }
4930
4931         /* Set host adapter parameters. */
4932         ha->flags.disable_risc_code_load = 0;
4933         ha->flags.enable_lip_reset = 0;
4934         ha->flags.enable_lip_full_login =
4935             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4936         ha->flags.enable_target_reset =
4937             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4938         ha->flags.enable_led_scheme = 0;
4939         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4940
4941         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4942             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4943
4944         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4945             sizeof(ha->fw_seriallink_options24));
4946
4947         /* save HBA serial number */
4948         ha->serial0 = icb->port_name[5];
4949         ha->serial1 = icb->port_name[6];
4950         ha->serial2 = icb->port_name[7];
4951         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4952         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4953
4954         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4955
4956         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4957
4958         /* Set minimum login_timeout to 4 seconds. */
4959         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4960                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4961         if (le16_to_cpu(nv->login_timeout) < 4)
4962                 nv->login_timeout = __constant_cpu_to_le16(4);
4963         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4964         icb->login_timeout = nv->login_timeout;
4965
4966         /* Set minimum RATOV to 100 tenths of a second. */
4967         ha->r_a_tov = 100;
4968
4969         ha->loop_reset_delay = nv->reset_delay;
4970
4971         /* Link Down Timeout = 0:
4972          *
4973          *      When Port Down timer expires we will start returning
4974          *      I/O's to OS with "DID_NO_CONNECT".
4975          *
4976          * Link Down Timeout != 0:
4977          *
4978          *       The driver waits for the link to come up after link down
4979          *       before returning I/Os to OS with "DID_NO_CONNECT".
4980          */
4981         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4982                 ha->loop_down_abort_time =
4983                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4984         } else {
4985                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4986                 ha->loop_down_abort_time =
4987                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4988         }
4989
4990         /* Need enough time to try and get the port back. */
4991         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4992         if (qlport_down_retry)
4993                 ha->port_down_retry_count = qlport_down_retry;
4994
4995         /* Set login_retry_count */
4996         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4997         if (ha->port_down_retry_count ==
4998             le16_to_cpu(nv->port_down_retry_count) &&
4999             ha->port_down_retry_count > 3)
5000                 ha->login_retry_count = ha->port_down_retry_count;
5001         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5002                 ha->login_retry_count = ha->port_down_retry_count;
5003         if (ql2xloginretrycount)
5004                 ha->login_retry_count = ql2xloginretrycount;
5005
5006         /* Enable ZIO. */
5007         if (!vha->flags.init_done) {
5008                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5009                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5010                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5011                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5012         }
5013         icb->firmware_options_2 &= __constant_cpu_to_le32(
5014             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5015         vha->flags.process_response_queue = 0;
5016         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5017                 ha->zio_mode = QLA_ZIO_MODE_6;
5018
5019                 ql_log(ql_log_info, vha, 0x006f,
5020                     "ZIO mode %d enabled; timer delay (%d us).\n",
5021                     ha->zio_mode, ha->zio_timer * 100);
5022
5023                 icb->firmware_options_2 |= cpu_to_le32(
5024                     (uint32_t)ha->zio_mode);
5025                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5026                 vha->flags.process_response_queue = 1;
5027         }
5028
5029         if (rval) {
5030                 ql_log(ql_log_warn, vha, 0x0070,
5031                     "NVRAM configuration failed.\n");
5032         }
5033         return (rval);
5034 }
5035
5036 static int
5037 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5038     uint32_t faddr)
5039 {
5040         int     rval = QLA_SUCCESS;
5041         int     segments, fragment;
5042         uint32_t *dcode, dlen;
5043         uint32_t risc_addr;
5044         uint32_t risc_size;
5045         uint32_t i;
5046         struct qla_hw_data *ha = vha->hw;
5047         struct req_que *req = ha->req_q_map[0];
5048
5049         ql_dbg(ql_dbg_init, vha, 0x008b,
5050             "FW: Loading firmware from flash (%x).\n", faddr);
5051
5052         rval = QLA_SUCCESS;
5053
5054         segments = FA_RISC_CODE_SEGMENTS;
5055         dcode = (uint32_t *)req->ring;
5056         *srisc_addr = 0;
5057
5058         /* Validate firmware image by checking version. */
5059         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5060         for (i = 0; i < 4; i++)
5061                 dcode[i] = be32_to_cpu(dcode[i]);
5062         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5063             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5064             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5065                 dcode[3] == 0)) {
5066                 ql_log(ql_log_fatal, vha, 0x008c,
5067                     "Unable to verify the integrity of flash firmware "
5068                     "image.\n");
5069                 ql_log(ql_log_fatal, vha, 0x008d,
5070                     "Firmware data: %08x %08x %08x %08x.\n",
5071                     dcode[0], dcode[1], dcode[2], dcode[3]);
5072
5073                 return QLA_FUNCTION_FAILED;
5074         }
5075
5076         while (segments && rval == QLA_SUCCESS) {
5077                 /* Read segment's load information. */
5078                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5079
5080                 risc_addr = be32_to_cpu(dcode[2]);
5081                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5082                 risc_size = be32_to_cpu(dcode[3]);
5083
5084                 fragment = 0;
5085                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5086                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5087                         if (dlen > risc_size)
5088                                 dlen = risc_size;
5089
5090                         ql_dbg(ql_dbg_init, vha, 0x008e,
5091                             "Loading risc segment@ risc addr %x "
5092                             "number of dwords 0x%x offset 0x%x.\n",
5093                             risc_addr, dlen, faddr);
5094
5095                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5096                         for (i = 0; i < dlen; i++)
5097                                 dcode[i] = swab32(dcode[i]);
5098
5099                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5100                             dlen);
5101                         if (rval) {
5102                                 ql_log(ql_log_fatal, vha, 0x008f,
5103                                     "Failed to load segment %d of firmware.\n",
5104                                     fragment);
5105                                 break;
5106                         }
5107
5108                         faddr += dlen;
5109                         risc_addr += dlen;
5110                         risc_size -= dlen;
5111                         fragment++;
5112                 }
5113
5114                 /* Next segment. */
5115                 segments--;
5116         }
5117
5118         return rval;
5119 }
5120
5121 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5122
5123 int
5124 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5125 {
5126         int     rval;
5127         int     i, fragment;
5128         uint16_t *wcode, *fwcode;
5129         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5130         struct fw_blob *blob;
5131         struct qla_hw_data *ha = vha->hw;
5132         struct req_que *req = ha->req_q_map[0];
5133
5134         /* Load firmware blob. */
5135         blob = qla2x00_request_firmware(vha);
5136         if (!blob) {
5137                 ql_log(ql_log_info, vha, 0x0083,
5138                     "Fimware image unavailable.\n");
5139                 ql_log(ql_log_info, vha, 0x0084,
5140                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5141                 return QLA_FUNCTION_FAILED;
5142         }
5143
5144         rval = QLA_SUCCESS;
5145
5146         wcode = (uint16_t *)req->ring;
5147         *srisc_addr = 0;
5148         fwcode = (uint16_t *)blob->fw->data;
5149         fwclen = 0;
5150
5151         /* Validate firmware image by checking version. */
5152         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5153                 ql_log(ql_log_fatal, vha, 0x0085,
5154                     "Unable to verify integrity of firmware image (%Zd).\n",
5155                     blob->fw->size);
5156                 goto fail_fw_integrity;
5157         }
5158         for (i = 0; i < 4; i++)
5159                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5160         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5161             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5162                 wcode[2] == 0 && wcode[3] == 0)) {
5163                 ql_log(ql_log_fatal, vha, 0x0086,
5164                     "Unable to verify integrity of firmware image.\n");
5165                 ql_log(ql_log_fatal, vha, 0x0087,
5166                     "Firmware data: %04x %04x %04x %04x.\n",
5167                     wcode[0], wcode[1], wcode[2], wcode[3]);
5168                 goto fail_fw_integrity;
5169         }
5170
5171         seg = blob->segs;
5172         while (*seg && rval == QLA_SUCCESS) {
5173                 risc_addr = *seg;
5174                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5175                 risc_size = be16_to_cpu(fwcode[3]);
5176
5177                 /* Validate firmware image size. */
5178                 fwclen += risc_size * sizeof(uint16_t);
5179                 if (blob->fw->size < fwclen) {
5180                         ql_log(ql_log_fatal, vha, 0x0088,
5181                             "Unable to verify integrity of firmware image "
5182                             "(%Zd).\n", blob->fw->size);
5183                         goto fail_fw_integrity;
5184                 }
5185
5186                 fragment = 0;
5187                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5188                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5189                         if (wlen > risc_size)
5190                                 wlen = risc_size;
5191                         ql_dbg(ql_dbg_init, vha, 0x0089,
5192                             "Loading risc segment@ risc addr %x number of "
5193                             "words 0x%x.\n", risc_addr, wlen);
5194
5195                         for (i = 0; i < wlen; i++)
5196                                 wcode[i] = swab16(fwcode[i]);
5197
5198                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5199                             wlen);
5200                         if (rval) {
5201                                 ql_log(ql_log_fatal, vha, 0x008a,
5202                                     "Failed to load segment %d of firmware.\n",
5203                                     fragment);
5204                                 break;
5205                         }
5206
5207                         fwcode += wlen;
5208                         risc_addr += wlen;
5209                         risc_size -= wlen;
5210                         fragment++;
5211                 }
5212
5213                 /* Next segment. */
5214                 seg++;
5215         }
5216         return rval;
5217
5218 fail_fw_integrity:
5219         return QLA_FUNCTION_FAILED;
5220 }
5221
5222 static int
5223 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5224 {
5225         int     rval;
5226         int     segments, fragment;
5227         uint32_t *dcode, dlen;
5228         uint32_t risc_addr;
5229         uint32_t risc_size;
5230         uint32_t i;
5231         struct fw_blob *blob;
5232         uint32_t *fwcode, fwclen;
5233         struct qla_hw_data *ha = vha->hw;
5234         struct req_que *req = ha->req_q_map[0];
5235
5236         /* Load firmware blob. */
5237         blob = qla2x00_request_firmware(vha);
5238         if (!blob) {
5239                 ql_log(ql_log_warn, vha, 0x0090,
5240                     "Fimware image unavailable.\n");
5241                 ql_log(ql_log_warn, vha, 0x0091,
5242                     "Firmware images can be retrieved from: "
5243                     QLA_FW_URL ".\n");
5244
5245                 return QLA_FUNCTION_FAILED;
5246         }
5247
5248         ql_dbg(ql_dbg_init, vha, 0x0092,
5249             "FW: Loading via request-firmware.\n");
5250
5251         rval = QLA_SUCCESS;
5252
5253         segments = FA_RISC_CODE_SEGMENTS;
5254         dcode = (uint32_t *)req->ring;
5255         *srisc_addr = 0;
5256         fwcode = (uint32_t *)blob->fw->data;
5257         fwclen = 0;
5258
5259         /* Validate firmware image by checking version. */
5260         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5261                 ql_log(ql_log_fatal, vha, 0x0093,
5262                     "Unable to verify integrity of firmware image (%Zd).\n",
5263                     blob->fw->size);
5264                 goto fail_fw_integrity;
5265         }
5266         for (i = 0; i < 4; i++)
5267                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5268         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5269             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5270             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5271                 dcode[3] == 0)) {
5272                 ql_log(ql_log_fatal, vha, 0x0094,
5273                     "Unable to verify integrity of firmware image (%Zd).\n",
5274                     blob->fw->size);
5275                 ql_log(ql_log_fatal, vha, 0x0095,
5276                     "Firmware data: %08x %08x %08x %08x.\n",
5277                     dcode[0], dcode[1], dcode[2], dcode[3]);
5278                 goto fail_fw_integrity;
5279         }
5280
5281         while (segments && rval == QLA_SUCCESS) {
5282                 risc_addr = be32_to_cpu(fwcode[2]);
5283                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5284                 risc_size = be32_to_cpu(fwcode[3]);
5285
5286                 /* Validate firmware image size. */
5287                 fwclen += risc_size * sizeof(uint32_t);
5288                 if (blob->fw->size < fwclen) {
5289                         ql_log(ql_log_fatal, vha, 0x0096,
5290                             "Unable to verify integrity of firmware image "
5291                             "(%Zd).\n", blob->fw->size);
5292
5293                         goto fail_fw_integrity;
5294                 }
5295
5296                 fragment = 0;
5297                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5298                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5299                         if (dlen > risc_size)
5300                                 dlen = risc_size;
5301
5302                         ql_dbg(ql_dbg_init, vha, 0x0097,
5303                             "Loading risc segment@ risc addr %x "
5304                             "number of dwords 0x%x.\n", risc_addr, dlen);
5305
5306                         for (i = 0; i < dlen; i++)
5307                                 dcode[i] = swab32(fwcode[i]);
5308
5309                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5310                             dlen);
5311                         if (rval) {
5312                                 ql_log(ql_log_fatal, vha, 0x0098,
5313                                     "Failed to load segment %d of firmware.\n",
5314                                     fragment);
5315                                 break;
5316                         }
5317
5318                         fwcode += dlen;
5319                         risc_addr += dlen;
5320                         risc_size -= dlen;
5321                         fragment++;
5322                 }
5323
5324                 /* Next segment. */
5325                 segments--;
5326         }
5327         return rval;
5328
5329 fail_fw_integrity:
5330         return QLA_FUNCTION_FAILED;
5331 }
5332
5333 int
5334 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5335 {
5336         int rval;
5337
5338         if (ql2xfwloadbin == 1)
5339                 return qla81xx_load_risc(vha, srisc_addr);
5340
5341         /*
5342          * FW Load priority:
5343          * 1) Firmware via request-firmware interface (.bin file).
5344          * 2) Firmware residing in flash.
5345          */
5346         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5347         if (rval == QLA_SUCCESS)
5348                 return rval;
5349
5350         return qla24xx_load_risc_flash(vha, srisc_addr,
5351             vha->hw->flt_region_fw);
5352 }
5353
5354 int
5355 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5356 {
5357         int rval;
5358         struct qla_hw_data *ha = vha->hw;
5359
5360         if (ql2xfwloadbin == 2)
5361                 goto try_blob_fw;
5362
5363         /*
5364          * FW Load priority:
5365          * 1) Firmware residing in flash.
5366          * 2) Firmware via request-firmware interface (.bin file).
5367          * 3) Golden-Firmware residing in flash -- limited operation.
5368          */
5369         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5370         if (rval == QLA_SUCCESS)
5371                 return rval;
5372
5373 try_blob_fw:
5374         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5375         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5376                 return rval;
5377
5378         ql_log(ql_log_info, vha, 0x0099,
5379             "Attempting to fallback to golden firmware.\n");
5380         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5381         if (rval != QLA_SUCCESS)
5382                 return rval;
5383
5384         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5385         ha->flags.running_gold_fw = 1;
5386         return rval;
5387 }
5388
5389 void
5390 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5391 {
5392         int ret, retries;
5393         struct qla_hw_data *ha = vha->hw;
5394
5395         if (ha->flags.pci_channel_io_perm_failure)
5396                 return;
5397         if (!IS_FWI2_CAPABLE(ha))
5398                 return;
5399         if (!ha->fw_major_version)
5400                 return;
5401
5402         ret = qla2x00_stop_firmware(vha);
5403         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5404             ret != QLA_INVALID_COMMAND && retries ; retries--) {
5405                 ha->isp_ops->reset_chip(vha);
5406                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5407                         continue;
5408                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5409                         continue;
5410                 ql_log(ql_log_info, vha, 0x8015,
5411                     "Attempting retry of stop-firmware command.\n");
5412                 ret = qla2x00_stop_firmware(vha);
5413         }
5414 }
5415
5416 int
5417 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5418 {
5419         int rval = QLA_SUCCESS;
5420         int rval2;
5421         uint16_t mb[MAILBOX_REGISTER_COUNT];
5422         struct qla_hw_data *ha = vha->hw;
5423         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5424         struct req_que *req;
5425         struct rsp_que *rsp;
5426
5427         if (!vha->vp_idx)
5428                 return -EINVAL;
5429
5430         rval = qla2x00_fw_ready(base_vha);
5431         if (ha->flags.cpu_affinity_enabled)
5432                 req = ha->req_q_map[0];
5433         else
5434                 req = vha->req;
5435         rsp = req->rsp;
5436
5437         if (rval == QLA_SUCCESS) {
5438                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5439                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5440         }
5441
5442         vha->flags.management_server_logged_in = 0;
5443
5444         /* Login to SNS first */
5445         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5446             BIT_1);
5447         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5448                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5449                         ql_dbg(ql_dbg_init, vha, 0x0120,
5450                             "Failed SNS login: loop_id=%x, rval2=%d\n",
5451                             NPH_SNS, rval2);
5452                 else
5453                         ql_dbg(ql_dbg_init, vha, 0x0103,
5454                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5455                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5456                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5457                 return (QLA_FUNCTION_FAILED);
5458         }
5459
5460         atomic_set(&vha->loop_down_timer, 0);
5461         atomic_set(&vha->loop_state, LOOP_UP);
5462         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5463         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5464         rval = qla2x00_loop_resync(base_vha);
5465
5466         return rval;
5467 }
5468
5469 /* 84XX Support **************************************************************/
5470
5471 static LIST_HEAD(qla_cs84xx_list);
5472 static DEFINE_MUTEX(qla_cs84xx_mutex);
5473
5474 static struct qla_chip_state_84xx *
5475 qla84xx_get_chip(struct scsi_qla_host *vha)
5476 {
5477         struct qla_chip_state_84xx *cs84xx;
5478         struct qla_hw_data *ha = vha->hw;
5479
5480         mutex_lock(&qla_cs84xx_mutex);
5481
5482         /* Find any shared 84xx chip. */
5483         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5484                 if (cs84xx->bus == ha->pdev->bus) {
5485                         kref_get(&cs84xx->kref);
5486                         goto done;
5487                 }
5488         }
5489
5490         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5491         if (!cs84xx)
5492                 goto done;
5493
5494         kref_init(&cs84xx->kref);
5495         spin_lock_init(&cs84xx->access_lock);
5496         mutex_init(&cs84xx->fw_update_mutex);
5497         cs84xx->bus = ha->pdev->bus;
5498
5499         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5500 done:
5501         mutex_unlock(&qla_cs84xx_mutex);
5502         return cs84xx;
5503 }
5504
5505 static void
5506 __qla84xx_chip_release(struct kref *kref)
5507 {
5508         struct qla_chip_state_84xx *cs84xx =
5509             container_of(kref, struct qla_chip_state_84xx, kref);
5510
5511         mutex_lock(&qla_cs84xx_mutex);
5512         list_del(&cs84xx->list);
5513         mutex_unlock(&qla_cs84xx_mutex);
5514         kfree(cs84xx);
5515 }
5516
5517 void
5518 qla84xx_put_chip(struct scsi_qla_host *vha)
5519 {
5520         struct qla_hw_data *ha = vha->hw;
5521         if (ha->cs84xx)
5522                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5523 }
5524
5525 static int
5526 qla84xx_init_chip(scsi_qla_host_t *vha)
5527 {
5528         int rval;
5529         uint16_t status[2];
5530         struct qla_hw_data *ha = vha->hw;
5531
5532         mutex_lock(&ha->cs84xx->fw_update_mutex);
5533
5534         rval = qla84xx_verify_chip(vha, status);
5535
5536         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5537
5538         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5539             QLA_SUCCESS;
5540 }
5541
5542 /* 81XX Support **************************************************************/
5543
5544 int
5545 qla81xx_nvram_config(scsi_qla_host_t *vha)
5546 {
5547         int   rval;
5548         struct init_cb_81xx *icb;
5549         struct nvram_81xx *nv;
5550         uint32_t *dptr;
5551         uint8_t  *dptr1, *dptr2;
5552         uint32_t chksum;
5553         uint16_t cnt;
5554         struct qla_hw_data *ha = vha->hw;
5555
5556         rval = QLA_SUCCESS;
5557         icb = (struct init_cb_81xx *)ha->init_cb;
5558         nv = ha->nvram;
5559
5560         /* Determine NVRAM starting address. */
5561         ha->nvram_size = sizeof(struct nvram_81xx);
5562         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5563
5564         /* Get VPD data into cache */
5565         ha->vpd = ha->nvram + VPD_OFFSET;
5566         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5567             ha->vpd_size);
5568
5569         /* Get NVRAM data into cache and calculate checksum. */
5570         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5571             ha->nvram_size);
5572         dptr = (uint32_t *)nv;
5573         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5574                 chksum += le32_to_cpu(*dptr++);
5575
5576         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5577             "Contents of NVRAM:\n");
5578         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5579             (uint8_t *)nv, ha->nvram_size);
5580
5581         /* Bad NVRAM data, set defaults parameters. */
5582         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5583             || nv->id[3] != ' ' ||
5584             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5585                 /* Reset NVRAM data. */
5586                 ql_log(ql_log_info, vha, 0x0073,
5587                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5588                     "version=0x%x.\n", chksum, nv->id[0],
5589                     le16_to_cpu(nv->nvram_version));
5590                 ql_log(ql_log_info, vha, 0x0074,
5591                     "Falling back to functioning (yet invalid -- WWPN) "
5592                     "defaults.\n");
5593
5594                 /*
5595                  * Set default initialization control block.
5596                  */
5597                 memset(nv, 0, ha->nvram_size);
5598                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5599                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5600                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5601                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5602                 nv->exchange_count = __constant_cpu_to_le16(0);
5603                 nv->port_name[0] = 0x21;
5604                 nv->port_name[1] = 0x00 + ha->port_no;
5605                 nv->port_name[2] = 0x00;
5606                 nv->port_name[3] = 0xe0;
5607                 nv->port_name[4] = 0x8b;
5608                 nv->port_name[5] = 0x1c;
5609                 nv->port_name[6] = 0x55;
5610                 nv->port_name[7] = 0x86;
5611                 nv->node_name[0] = 0x20;
5612                 nv->node_name[1] = 0x00;
5613                 nv->node_name[2] = 0x00;
5614                 nv->node_name[3] = 0xe0;
5615                 nv->node_name[4] = 0x8b;
5616                 nv->node_name[5] = 0x1c;
5617                 nv->node_name[6] = 0x55;
5618                 nv->node_name[7] = 0x86;
5619                 nv->login_retry_count = __constant_cpu_to_le16(8);
5620                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5621                 nv->login_timeout = __constant_cpu_to_le16(0);
5622                 nv->firmware_options_1 =
5623                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5624                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5625                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5626                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5627                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5628                 nv->efi_parameters = __constant_cpu_to_le32(0);
5629                 nv->reset_delay = 5;
5630                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5631                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5632                 nv->link_down_timeout = __constant_cpu_to_le16(180);
5633                 nv->enode_mac[0] = 0x00;
5634                 nv->enode_mac[1] = 0xC0;
5635                 nv->enode_mac[2] = 0xDD;
5636                 nv->enode_mac[3] = 0x04;
5637                 nv->enode_mac[4] = 0x05;
5638                 nv->enode_mac[5] = 0x06 + ha->port_no;
5639
5640                 rval = 1;
5641         }
5642
5643         if (IS_T10_PI_CAPABLE(ha))
5644                 nv->frame_payload_size &= ~7;
5645
5646         qlt_81xx_config_nvram_stage1(vha, nv);
5647
5648         /* Reset Initialization control block */
5649         memset(icb, 0, ha->init_cb_size);
5650
5651         /* Copy 1st segment. */
5652         dptr1 = (uint8_t *)icb;
5653         dptr2 = (uint8_t *)&nv->version;
5654         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5655         while (cnt--)
5656                 *dptr1++ = *dptr2++;
5657
5658         icb->login_retry_count = nv->login_retry_count;
5659
5660         /* Copy 2nd segment. */
5661         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5662         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5663         cnt = (uint8_t *)&icb->reserved_5 -
5664             (uint8_t *)&icb->interrupt_delay_timer;
5665         while (cnt--)
5666                 *dptr1++ = *dptr2++;
5667
5668         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5669         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5670         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5671                 icb->enode_mac[0] = 0x00;
5672                 icb->enode_mac[1] = 0xC0;
5673                 icb->enode_mac[2] = 0xDD;
5674                 icb->enode_mac[3] = 0x04;
5675                 icb->enode_mac[4] = 0x05;
5676                 icb->enode_mac[5] = 0x06 + ha->port_no;
5677         }
5678
5679         /* Use extended-initialization control block. */
5680         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5681
5682         /*
5683          * Setup driver NVRAM options.
5684          */
5685         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5686             "QLE8XXX");
5687
5688         qlt_81xx_config_nvram_stage2(vha, icb);
5689
5690         /* Use alternate WWN? */
5691         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5692                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5693                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5694         }
5695
5696         /* Prepare nodename */
5697         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5698                 /*
5699                  * Firmware will apply the following mask if the nodename was
5700                  * not provided.
5701                  */
5702                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5703                 icb->node_name[0] &= 0xF0;
5704         }
5705
5706         /* Set host adapter parameters. */
5707         ha->flags.disable_risc_code_load = 0;
5708         ha->flags.enable_lip_reset = 0;
5709         ha->flags.enable_lip_full_login =
5710             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5711         ha->flags.enable_target_reset =
5712             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5713         ha->flags.enable_led_scheme = 0;
5714         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5715
5716         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5717             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5718
5719         /* save HBA serial number */
5720         ha->serial0 = icb->port_name[5];
5721         ha->serial1 = icb->port_name[6];
5722         ha->serial2 = icb->port_name[7];
5723         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5724         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5725
5726         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5727
5728         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5729
5730         /* Set minimum login_timeout to 4 seconds. */
5731         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5732                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5733         if (le16_to_cpu(nv->login_timeout) < 4)
5734                 nv->login_timeout = __constant_cpu_to_le16(4);
5735         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5736         icb->login_timeout = nv->login_timeout;
5737
5738         /* Set minimum RATOV to 100 tenths of a second. */
5739         ha->r_a_tov = 100;
5740
5741         ha->loop_reset_delay = nv->reset_delay;
5742
5743         /* Link Down Timeout = 0:
5744          *
5745          *      When Port Down timer expires we will start returning
5746          *      I/O's to OS with "DID_NO_CONNECT".
5747          *
5748          * Link Down Timeout != 0:
5749          *
5750          *       The driver waits for the link to come up after link down
5751          *       before returning I/Os to OS with "DID_NO_CONNECT".
5752          */
5753         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5754                 ha->loop_down_abort_time =
5755                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5756         } else {
5757                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5758                 ha->loop_down_abort_time =
5759                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5760         }
5761
5762         /* Need enough time to try and get the port back. */
5763         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5764         if (qlport_down_retry)
5765                 ha->port_down_retry_count = qlport_down_retry;
5766
5767         /* Set login_retry_count */
5768         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5769         if (ha->port_down_retry_count ==
5770             le16_to_cpu(nv->port_down_retry_count) &&
5771             ha->port_down_retry_count > 3)
5772                 ha->login_retry_count = ha->port_down_retry_count;
5773         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5774                 ha->login_retry_count = ha->port_down_retry_count;
5775         if (ql2xloginretrycount)
5776                 ha->login_retry_count = ql2xloginretrycount;
5777
5778         /* if not running MSI-X we need handshaking on interrupts */
5779         if (!vha->hw->flags.msix_enabled && IS_QLA83XX(ha))
5780                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22);
5781
5782         /* Enable ZIO. */
5783         if (!vha->flags.init_done) {
5784                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5785                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5786                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5787                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5788         }
5789         icb->firmware_options_2 &= __constant_cpu_to_le32(
5790             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5791         vha->flags.process_response_queue = 0;
5792         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5793                 ha->zio_mode = QLA_ZIO_MODE_6;
5794
5795                 ql_log(ql_log_info, vha, 0x0075,
5796                     "ZIO mode %d enabled; timer delay (%d us).\n",
5797                     ha->zio_mode,
5798                     ha->zio_timer * 100);
5799
5800                 icb->firmware_options_2 |= cpu_to_le32(
5801                     (uint32_t)ha->zio_mode);
5802                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5803                 vha->flags.process_response_queue = 1;
5804         }
5805
5806         if (rval) {
5807                 ql_log(ql_log_warn, vha, 0x0076,
5808                     "NVRAM configuration failed.\n");
5809         }
5810         return (rval);
5811 }
5812
5813 int
5814 qla82xx_restart_isp(scsi_qla_host_t *vha)
5815 {
5816         int status, rval;
5817         uint32_t wait_time;
5818         struct qla_hw_data *ha = vha->hw;
5819         struct req_que *req = ha->req_q_map[0];
5820         struct rsp_que *rsp = ha->rsp_q_map[0];
5821         struct scsi_qla_host *vp;
5822         unsigned long flags;
5823
5824         status = qla2x00_init_rings(vha);
5825         if (!status) {
5826                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5827                 ha->flags.chip_reset_done = 1;
5828
5829                 status = qla2x00_fw_ready(vha);
5830                 if (!status) {
5831                         ql_log(ql_log_info, vha, 0x803c,
5832                             "Start configure loop, status =%d.\n", status);
5833
5834                         /* Issue a marker after FW becomes ready. */
5835                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5836
5837                         vha->flags.online = 1;
5838                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5839                         wait_time = 256;
5840                         do {
5841                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5842                                 qla2x00_configure_loop(vha);
5843                                 wait_time--;
5844                         } while (!atomic_read(&vha->loop_down_timer) &&
5845                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5846                             wait_time &&
5847                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5848                 }
5849
5850                 /* if no cable then assume it's good */
5851                 if ((vha->device_flags & DFLG_NO_CABLE))
5852                         status = 0;
5853
5854                 ql_log(ql_log_info, vha, 0x8000,
5855                     "Configure loop done, status = 0x%x.\n", status);
5856         }
5857
5858         if (!status) {
5859                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5860
5861                 if (!atomic_read(&vha->loop_down_timer)) {
5862                         /*
5863                          * Issue marker command only when we are going
5864                          * to start the I/O .
5865                          */
5866                         vha->marker_needed = 1;
5867                 }
5868
5869                 vha->flags.online = 1;
5870
5871                 ha->isp_ops->enable_intrs(ha);
5872
5873                 ha->isp_abort_cnt = 0;
5874                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5875
5876                 /* Update the firmware version */
5877                 status = qla82xx_check_md_needed(vha);
5878
5879                 if (ha->fce) {
5880                         ha->flags.fce_enabled = 1;
5881                         memset(ha->fce, 0,
5882                             fce_calc_size(ha->fce_bufs));
5883                         rval = qla2x00_enable_fce_trace(vha,
5884                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5885                             &ha->fce_bufs);
5886                         if (rval) {
5887                                 ql_log(ql_log_warn, vha, 0x8001,
5888                                     "Unable to reinitialize FCE (%d).\n",
5889                                     rval);
5890                                 ha->flags.fce_enabled = 0;
5891                         }
5892                 }
5893
5894                 if (ha->eft) {
5895                         memset(ha->eft, 0, EFT_SIZE);
5896                         rval = qla2x00_enable_eft_trace(vha,
5897                             ha->eft_dma, EFT_NUM_BUFFERS);
5898                         if (rval) {
5899                                 ql_log(ql_log_warn, vha, 0x8010,
5900                                     "Unable to reinitialize EFT (%d).\n",
5901                                     rval);
5902                         }
5903                 }
5904         }
5905
5906         if (!status) {
5907                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
5908                     "qla82xx_restart_isp succeeded.\n");
5909
5910                 spin_lock_irqsave(&ha->vport_slock, flags);
5911                 list_for_each_entry(vp, &ha->vp_list, list) {
5912                         if (vp->vp_idx) {
5913                                 atomic_inc(&vp->vref_count);
5914                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5915
5916                                 qla2x00_vp_abort_isp(vp);
5917
5918                                 spin_lock_irqsave(&ha->vport_slock, flags);
5919                                 atomic_dec(&vp->vref_count);
5920                         }
5921                 }
5922                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5923
5924         } else {
5925                 ql_log(ql_log_warn, vha, 0x8016,
5926                     "qla82xx_restart_isp **** FAILED ****.\n");
5927         }
5928
5929         return status;
5930 }
5931
5932 void
5933 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5934 {
5935         struct qla_hw_data *ha = vha->hw;
5936
5937         if (!ql2xetsenable)
5938                 return;
5939
5940         /* Enable ETS Burst. */
5941         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5942         ha->fw_options[2] |= BIT_9;
5943         qla2x00_set_fw_options(vha, ha->fw_options);
5944 }
5945
5946 /*
5947  * qla24xx_get_fcp_prio
5948  *      Gets the fcp cmd priority value for the logged in port.
5949  *      Looks for a match of the port descriptors within
5950  *      each of the fcp prio config entries. If a match is found,
5951  *      the tag (priority) value is returned.
5952  *
5953  * Input:
5954  *      vha = scsi host structure pointer.
5955  *      fcport = port structure pointer.
5956  *
5957  * Return:
5958  *      non-zero (if found)
5959  *      -1 (if not found)
5960  *
5961  * Context:
5962  *      Kernel context
5963  */
5964 static int
5965 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5966 {
5967         int i, entries;
5968         uint8_t pid_match, wwn_match;
5969         int priority;
5970         uint32_t pid1, pid2;
5971         uint64_t wwn1, wwn2;
5972         struct qla_fcp_prio_entry *pri_entry;
5973         struct qla_hw_data *ha = vha->hw;
5974
5975         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5976                 return -1;
5977
5978         priority = -1;
5979         entries = ha->fcp_prio_cfg->num_entries;
5980         pri_entry = &ha->fcp_prio_cfg->entry[0];
5981
5982         for (i = 0; i < entries; i++) {
5983                 pid_match = wwn_match = 0;
5984
5985                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5986                         pri_entry++;
5987                         continue;
5988                 }
5989
5990                 /* check source pid for a match */
5991                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5992                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5993                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5994                         if (pid1 == INVALID_PORT_ID)
5995                                 pid_match++;
5996                         else if (pid1 == pid2)
5997                                 pid_match++;
5998                 }
5999
6000                 /* check destination pid for a match */
6001                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
6002                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
6003                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
6004                         if (pid1 == INVALID_PORT_ID)
6005                                 pid_match++;
6006                         else if (pid1 == pid2)
6007                                 pid_match++;
6008                 }
6009
6010                 /* check source WWN for a match */
6011                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6012                         wwn1 = wwn_to_u64(vha->port_name);
6013                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6014                         if (wwn2 == (uint64_t)-1)
6015                                 wwn_match++;
6016                         else if (wwn1 == wwn2)
6017                                 wwn_match++;
6018                 }
6019
6020                 /* check destination WWN for a match */
6021                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6022                         wwn1 = wwn_to_u64(fcport->port_name);
6023                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6024                         if (wwn2 == (uint64_t)-1)
6025                                 wwn_match++;
6026                         else if (wwn1 == wwn2)
6027                                 wwn_match++;
6028                 }
6029
6030                 if (pid_match == 2 || wwn_match == 2) {
6031                         /* Found a matching entry */
6032                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6033                                 priority = pri_entry->tag;
6034                         break;
6035                 }
6036
6037                 pri_entry++;
6038         }
6039
6040         return priority;
6041 }
6042
6043 /*
6044  * qla24xx_update_fcport_fcp_prio
6045  *      Activates fcp priority for the logged in fc port
6046  *
6047  * Input:
6048  *      vha = scsi host structure pointer.
6049  *      fcp = port structure pointer.
6050  *
6051  * Return:
6052  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6053  *
6054  * Context:
6055  *      Kernel context.
6056  */
6057 int
6058 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6059 {
6060         int ret;
6061         int priority;
6062         uint16_t mb[5];
6063
6064         if (fcport->port_type != FCT_TARGET ||
6065             fcport->loop_id == FC_NO_LOOP_ID)
6066                 return QLA_FUNCTION_FAILED;
6067
6068         priority = qla24xx_get_fcp_prio(vha, fcport);
6069         if (priority < 0)
6070                 return QLA_FUNCTION_FAILED;
6071
6072         if (IS_QLA82XX(vha->hw)) {
6073                 fcport->fcp_prio = priority & 0xf;
6074                 return QLA_SUCCESS;
6075         }
6076
6077         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6078         if (ret == QLA_SUCCESS) {
6079                 if (fcport->fcp_prio != priority)
6080                         ql_dbg(ql_dbg_user, vha, 0x709e,
6081                             "Updated FCP_CMND priority - value=%d loop_id=%d "
6082                             "port_id=%02x%02x%02x.\n", priority,
6083                             fcport->loop_id, fcport->d_id.b.domain,
6084                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6085                 fcport->fcp_prio = priority & 0xf;
6086         } else
6087                 ql_dbg(ql_dbg_user, vha, 0x704f,
6088                     "Unable to update FCP_CMND priority - ret=0x%x for "
6089                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6090                     fcport->d_id.b.domain, fcport->d_id.b.area,
6091                     fcport->d_id.b.al_pa);
6092         return  ret;
6093 }
6094
6095 /*
6096  * qla24xx_update_all_fcp_prio
6097  *      Activates fcp priority for all the logged in ports
6098  *
6099  * Input:
6100  *      ha = adapter block pointer.
6101  *
6102  * Return:
6103  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6104  *
6105  * Context:
6106  *      Kernel context.
6107  */
6108 int
6109 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6110 {
6111         int ret;
6112         fc_port_t *fcport;
6113
6114         ret = QLA_FUNCTION_FAILED;
6115         /* We need to set priority for all logged in ports */
6116         list_for_each_entry(fcport, &vha->vp_fcports, list)
6117                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6118
6119         return ret;
6120 }