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         return(rval);
2313 }
2314
2315 inline void
2316 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2317         char *def)
2318 {
2319         char *st, *en;
2320         uint16_t index;
2321         struct qla_hw_data *ha = vha->hw;
2322         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2323             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2324
2325         if (memcmp(model, BINZERO, len) != 0) {
2326                 strncpy(ha->model_number, model, len);
2327                 st = en = ha->model_number;
2328                 en += len - 1;
2329                 while (en > st) {
2330                         if (*en != 0x20 && *en != 0x00)
2331                                 break;
2332                         *en-- = '\0';
2333                 }
2334
2335                 index = (ha->pdev->subsystem_device & 0xff);
2336                 if (use_tbl &&
2337                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2338                     index < QLA_MODEL_NAMES)
2339                         strncpy(ha->model_desc,
2340                             qla2x00_model_name[index * 2 + 1],
2341                             sizeof(ha->model_desc) - 1);
2342         } else {
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                         strcpy(ha->model_number,
2348                             qla2x00_model_name[index * 2]);
2349                         strncpy(ha->model_desc,
2350                             qla2x00_model_name[index * 2 + 1],
2351                             sizeof(ha->model_desc) - 1);
2352                 } else {
2353                         strcpy(ha->model_number, def);
2354                 }
2355         }
2356         if (IS_FWI2_CAPABLE(ha))
2357                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2358                     sizeof(ha->model_desc));
2359 }
2360
2361 /* On sparc systems, obtain port and node WWN from firmware
2362  * properties.
2363  */
2364 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2365 {
2366 #ifdef CONFIG_SPARC
2367         struct qla_hw_data *ha = vha->hw;
2368         struct pci_dev *pdev = ha->pdev;
2369         struct device_node *dp = pci_device_to_OF_node(pdev);
2370         const u8 *val;
2371         int len;
2372
2373         val = of_get_property(dp, "port-wwn", &len);
2374         if (val && len >= WWN_SIZE)
2375                 memcpy(nv->port_name, val, WWN_SIZE);
2376
2377         val = of_get_property(dp, "node-wwn", &len);
2378         if (val && len >= WWN_SIZE)
2379                 memcpy(nv->node_name, val, WWN_SIZE);
2380 #endif
2381 }
2382
2383 /*
2384 * NVRAM configuration for ISP 2xxx
2385 *
2386 * Input:
2387 *      ha                = adapter block pointer.
2388 *
2389 * Output:
2390 *      initialization control block in response_ring
2391 *      host adapters parameters in host adapter block
2392 *
2393 * Returns:
2394 *      0 = success.
2395 */
2396 int
2397 qla2x00_nvram_config(scsi_qla_host_t *vha)
2398 {
2399         int             rval;
2400         uint8_t         chksum = 0;
2401         uint16_t        cnt;
2402         uint8_t         *dptr1, *dptr2;
2403         struct qla_hw_data *ha = vha->hw;
2404         init_cb_t       *icb = ha->init_cb;
2405         nvram_t         *nv = ha->nvram;
2406         uint8_t         *ptr = ha->nvram;
2407         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2408
2409         rval = QLA_SUCCESS;
2410
2411         /* Determine NVRAM starting address. */
2412         ha->nvram_size = sizeof(nvram_t);
2413         ha->nvram_base = 0;
2414         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2415                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2416                         ha->nvram_base = 0x80;
2417
2418         /* Get NVRAM data and calculate checksum. */
2419         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2420         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2421                 chksum += *ptr++;
2422
2423         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2424             "Contents of NVRAM.\n");
2425         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2426             (uint8_t *)nv, ha->nvram_size);
2427
2428         /* Bad NVRAM data, set defaults parameters. */
2429         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2430             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2431                 /* Reset NVRAM data. */
2432                 ql_log(ql_log_warn, vha, 0x0064,
2433                     "Inconsistent NVRAM "
2434                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2435                     chksum, nv->id[0], nv->nvram_version);
2436                 ql_log(ql_log_warn, vha, 0x0065,
2437                     "Falling back to "
2438                     "functioning (yet invalid -- WWPN) defaults.\n");
2439
2440                 /*
2441                  * Set default initialization control block.
2442                  */
2443                 memset(nv, 0, ha->nvram_size);
2444                 nv->parameter_block_version = ICB_VERSION;
2445
2446                 if (IS_QLA23XX(ha)) {
2447                         nv->firmware_options[0] = BIT_2 | BIT_1;
2448                         nv->firmware_options[1] = BIT_7 | BIT_5;
2449                         nv->add_firmware_options[0] = BIT_5;
2450                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2451                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2452                         nv->special_options[1] = BIT_7;
2453                 } else if (IS_QLA2200(ha)) {
2454                         nv->firmware_options[0] = BIT_2 | BIT_1;
2455                         nv->firmware_options[1] = BIT_7 | BIT_5;
2456                         nv->add_firmware_options[0] = BIT_5;
2457                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2458                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2459                 } else if (IS_QLA2100(ha)) {
2460                         nv->firmware_options[0] = BIT_3 | BIT_1;
2461                         nv->firmware_options[1] = BIT_5;
2462                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2463                 }
2464
2465                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2466                 nv->execution_throttle = __constant_cpu_to_le16(16);
2467                 nv->retry_count = 8;
2468                 nv->retry_delay = 1;
2469
2470                 nv->port_name[0] = 33;
2471                 nv->port_name[3] = 224;
2472                 nv->port_name[4] = 139;
2473
2474                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2475
2476                 nv->login_timeout = 4;
2477
2478                 /*
2479                  * Set default host adapter parameters
2480                  */
2481                 nv->host_p[1] = BIT_2;
2482                 nv->reset_delay = 5;
2483                 nv->port_down_retry_count = 8;
2484                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2485                 nv->link_down_timeout = 60;
2486
2487                 rval = 1;
2488         }
2489
2490 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2491         /*
2492          * The SN2 does not provide BIOS emulation which means you can't change
2493          * potentially bogus BIOS settings. Force the use of default settings
2494          * for link rate and frame size.  Hope that the rest of the settings
2495          * are valid.
2496          */
2497         if (ia64_platform_is("sn2")) {
2498                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2499                 if (IS_QLA23XX(ha))
2500                         nv->special_options[1] = BIT_7;
2501         }
2502 #endif
2503
2504         /* Reset Initialization control block */
2505         memset(icb, 0, ha->init_cb_size);
2506
2507         /*
2508          * Setup driver NVRAM options.
2509          */
2510         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2511         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2512         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2513         nv->firmware_options[1] &= ~BIT_4;
2514
2515         if (IS_QLA23XX(ha)) {
2516                 nv->firmware_options[0] |= BIT_2;
2517                 nv->firmware_options[0] &= ~BIT_3;
2518                 nv->special_options[0] &= ~BIT_6;
2519                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2520
2521                 if (IS_QLA2300(ha)) {
2522                         if (ha->fb_rev == FPM_2310) {
2523                                 strcpy(ha->model_number, "QLA2310");
2524                         } else {
2525                                 strcpy(ha->model_number, "QLA2300");
2526                         }
2527                 } else {
2528                         qla2x00_set_model_info(vha, nv->model_number,
2529                             sizeof(nv->model_number), "QLA23xx");
2530                 }
2531         } else if (IS_QLA2200(ha)) {
2532                 nv->firmware_options[0] |= BIT_2;
2533                 /*
2534                  * 'Point-to-point preferred, else loop' is not a safe
2535                  * connection mode setting.
2536                  */
2537                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2538                     (BIT_5 | BIT_4)) {
2539                         /* Force 'loop preferred, else point-to-point'. */
2540                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2541                         nv->add_firmware_options[0] |= BIT_5;
2542                 }
2543                 strcpy(ha->model_number, "QLA22xx");
2544         } else /*if (IS_QLA2100(ha))*/ {
2545                 strcpy(ha->model_number, "QLA2100");
2546         }
2547
2548         /*
2549          * Copy over NVRAM RISC parameter block to initialization control block.
2550          */
2551         dptr1 = (uint8_t *)icb;
2552         dptr2 = (uint8_t *)&nv->parameter_block_version;
2553         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2554         while (cnt--)
2555                 *dptr1++ = *dptr2++;
2556
2557         /* Copy 2nd half. */
2558         dptr1 = (uint8_t *)icb->add_firmware_options;
2559         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2560         while (cnt--)
2561                 *dptr1++ = *dptr2++;
2562
2563         /* Use alternate WWN? */
2564         if (nv->host_p[1] & BIT_7) {
2565                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2566                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2567         }
2568
2569         /* Prepare nodename */
2570         if ((icb->firmware_options[1] & BIT_6) == 0) {
2571                 /*
2572                  * Firmware will apply the following mask if the nodename was
2573                  * not provided.
2574                  */
2575                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2576                 icb->node_name[0] &= 0xF0;
2577         }
2578
2579         /*
2580          * Set host adapter parameters.
2581          */
2582
2583         /*
2584          * BIT_7 in the host-parameters section allows for modification to
2585          * internal driver logging.
2586          */
2587         if (nv->host_p[0] & BIT_7)
2588                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2589         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2590         /* Always load RISC code on non ISP2[12]00 chips. */
2591         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2592                 ha->flags.disable_risc_code_load = 0;
2593         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2594         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2595         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2596         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2597         ha->flags.disable_serdes = 0;
2598
2599         ha->operating_mode =
2600             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2601
2602         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2603             sizeof(ha->fw_seriallink_options));
2604
2605         /* save HBA serial number */
2606         ha->serial0 = icb->port_name[5];
2607         ha->serial1 = icb->port_name[6];
2608         ha->serial2 = icb->port_name[7];
2609         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2610         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2611
2612         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2613
2614         ha->retry_count = nv->retry_count;
2615
2616         /* Set minimum login_timeout to 4 seconds. */
2617         if (nv->login_timeout != ql2xlogintimeout)
2618                 nv->login_timeout = ql2xlogintimeout;
2619         if (nv->login_timeout < 4)
2620                 nv->login_timeout = 4;
2621         ha->login_timeout = nv->login_timeout;
2622         icb->login_timeout = nv->login_timeout;
2623
2624         /* Set minimum RATOV to 100 tenths of a second. */
2625         ha->r_a_tov = 100;
2626
2627         ha->loop_reset_delay = nv->reset_delay;
2628
2629         /* Link Down Timeout = 0:
2630          *
2631          *      When Port Down timer expires we will start returning
2632          *      I/O's to OS with "DID_NO_CONNECT".
2633          *
2634          * Link Down Timeout != 0:
2635          *
2636          *       The driver waits for the link to come up after link down
2637          *       before returning I/Os to OS with "DID_NO_CONNECT".
2638          */
2639         if (nv->link_down_timeout == 0) {
2640                 ha->loop_down_abort_time =
2641                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2642         } else {
2643                 ha->link_down_timeout =  nv->link_down_timeout;
2644                 ha->loop_down_abort_time =
2645                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2646         }
2647
2648         /*
2649          * Need enough time to try and get the port back.
2650          */
2651         ha->port_down_retry_count = nv->port_down_retry_count;
2652         if (qlport_down_retry)
2653                 ha->port_down_retry_count = qlport_down_retry;
2654         /* Set login_retry_count */
2655         ha->login_retry_count  = nv->retry_count;
2656         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2657             ha->port_down_retry_count > 3)
2658                 ha->login_retry_count = ha->port_down_retry_count;
2659         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2660                 ha->login_retry_count = ha->port_down_retry_count;
2661         if (ql2xloginretrycount)
2662                 ha->login_retry_count = ql2xloginretrycount;
2663
2664         icb->lun_enables = __constant_cpu_to_le16(0);
2665         icb->command_resource_count = 0;
2666         icb->immediate_notify_resource_count = 0;
2667         icb->timeout = __constant_cpu_to_le16(0);
2668
2669         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2670                 /* Enable RIO */
2671                 icb->firmware_options[0] &= ~BIT_3;
2672                 icb->add_firmware_options[0] &=
2673                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2674                 icb->add_firmware_options[0] |= BIT_2;
2675                 icb->response_accumulation_timer = 3;
2676                 icb->interrupt_delay_timer = 5;
2677
2678                 vha->flags.process_response_queue = 1;
2679         } else {
2680                 /* Enable ZIO. */
2681                 if (!vha->flags.init_done) {
2682                         ha->zio_mode = icb->add_firmware_options[0] &
2683                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2684                         ha->zio_timer = icb->interrupt_delay_timer ?
2685                             icb->interrupt_delay_timer: 2;
2686                 }
2687                 icb->add_firmware_options[0] &=
2688                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2689                 vha->flags.process_response_queue = 0;
2690                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2691                         ha->zio_mode = QLA_ZIO_MODE_6;
2692
2693                         ql_log(ql_log_info, vha, 0x0068,
2694                             "ZIO mode %d enabled; timer delay (%d us).\n",
2695                             ha->zio_mode, ha->zio_timer * 100);
2696
2697                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2698                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2699                         vha->flags.process_response_queue = 1;
2700                 }
2701         }
2702
2703         if (rval) {
2704                 ql_log(ql_log_warn, vha, 0x0069,
2705                     "NVRAM configuration failed.\n");
2706         }
2707         return (rval);
2708 }
2709
2710 static void
2711 qla2x00_rport_del(void *data)
2712 {
2713         fc_port_t *fcport = data;
2714         struct fc_rport *rport;
2715         scsi_qla_host_t *vha = fcport->vha;
2716         unsigned long flags;
2717
2718         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2719         rport = fcport->drport ? fcport->drport: fcport->rport;
2720         fcport->drport = NULL;
2721         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2722         if (rport) {
2723                 fc_remote_port_delete(rport);
2724                 /*
2725                  * Release the target mode FC NEXUS in qla_target.c code
2726                  * if target mod is enabled.
2727                  */
2728                 qlt_fc_port_deleted(vha, fcport);
2729         }
2730 }
2731
2732 /**
2733  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2734  * @ha: HA context
2735  * @flags: allocation flags
2736  *
2737  * Returns a pointer to the allocated fcport, or NULL, if none available.
2738  */
2739 fc_port_t *
2740 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2741 {
2742         fc_port_t *fcport;
2743
2744         fcport = kzalloc(sizeof(fc_port_t), flags);
2745         if (!fcport)
2746                 return NULL;
2747
2748         /* Setup fcport template structure. */
2749         fcport->vha = vha;
2750         fcport->port_type = FCT_UNKNOWN;
2751         fcport->loop_id = FC_NO_LOOP_ID;
2752         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2753         fcport->supported_classes = FC_COS_UNSPECIFIED;
2754
2755         return fcport;
2756 }
2757
2758 /*
2759  * qla2x00_configure_loop
2760  *      Updates Fibre Channel Device Database with what is actually on loop.
2761  *
2762  * Input:
2763  *      ha                = adapter block pointer.
2764  *
2765  * Returns:
2766  *      0 = success.
2767  *      1 = error.
2768  *      2 = database was full and device was not configured.
2769  */
2770 static int
2771 qla2x00_configure_loop(scsi_qla_host_t *vha)
2772 {
2773         int  rval;
2774         unsigned long flags, save_flags;
2775         struct qla_hw_data *ha = vha->hw;
2776         rval = QLA_SUCCESS;
2777
2778         /* Get Initiator ID */
2779         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2780                 rval = qla2x00_configure_hba(vha);
2781                 if (rval != QLA_SUCCESS) {
2782                         ql_dbg(ql_dbg_disc, vha, 0x2013,
2783                             "Unable to configure HBA.\n");
2784                         return (rval);
2785                 }
2786         }
2787
2788         save_flags = flags = vha->dpc_flags;
2789         ql_dbg(ql_dbg_disc, vha, 0x2014,
2790             "Configure loop -- dpc flags = 0x%lx.\n", flags);
2791
2792         /*
2793          * If we have both an RSCN and PORT UPDATE pending then handle them
2794          * both at the same time.
2795          */
2796         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2797         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2798
2799         qla2x00_get_data_rate(vha);
2800
2801         /* Determine what we need to do */
2802         if (ha->current_topology == ISP_CFG_FL &&
2803             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2804
2805                 set_bit(RSCN_UPDATE, &flags);
2806
2807         } else if (ha->current_topology == ISP_CFG_F &&
2808             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2809
2810                 set_bit(RSCN_UPDATE, &flags);
2811                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2812
2813         } else if (ha->current_topology == ISP_CFG_N) {
2814                 clear_bit(RSCN_UPDATE, &flags);
2815
2816         } else if (!vha->flags.online ||
2817             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2818
2819                 set_bit(RSCN_UPDATE, &flags);
2820                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2821         }
2822
2823         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2824                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2825                         ql_dbg(ql_dbg_disc, vha, 0x2015,
2826                             "Loop resync needed, failing.\n");
2827                         rval = QLA_FUNCTION_FAILED;
2828                 } else
2829                         rval = qla2x00_configure_local_loop(vha);
2830         }
2831
2832         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2833                 if (LOOP_TRANSITION(vha)) {
2834                         ql_dbg(ql_dbg_disc, vha, 0x201e,
2835                             "Needs RSCN update and loop transition.\n");
2836                         rval = QLA_FUNCTION_FAILED;
2837                 }
2838                 else
2839                         rval = qla2x00_configure_fabric(vha);
2840         }
2841
2842         if (rval == QLA_SUCCESS) {
2843                 if (atomic_read(&vha->loop_down_timer) ||
2844                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2845                         rval = QLA_FUNCTION_FAILED;
2846                 } else {
2847                         atomic_set(&vha->loop_state, LOOP_READY);
2848                         ql_dbg(ql_dbg_disc, vha, 0x2069,
2849                             "LOOP READY.\n");
2850                 }
2851         }
2852
2853         if (rval) {
2854                 ql_dbg(ql_dbg_disc, vha, 0x206a,
2855                     "%s *** FAILED ***.\n", __func__);
2856         } else {
2857                 ql_dbg(ql_dbg_disc, vha, 0x206b,
2858                     "%s: exiting normally.\n", __func__);
2859         }
2860
2861         /* Restore state if a resync event occurred during processing */
2862         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2863                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2864                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2865                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2866                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2867                 }
2868         }
2869
2870         return (rval);
2871 }
2872
2873
2874
2875 /*
2876  * qla2x00_configure_local_loop
2877  *      Updates Fibre Channel Device Database with local loop devices.
2878  *
2879  * Input:
2880  *      ha = adapter block pointer.
2881  *
2882  * Returns:
2883  *      0 = success.
2884  */
2885 static int
2886 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2887 {
2888         int             rval, rval2;
2889         int             found_devs;
2890         int             found;
2891         fc_port_t       *fcport, *new_fcport;
2892
2893         uint16_t        index;
2894         uint16_t        entries;
2895         char            *id_iter;
2896         uint16_t        loop_id;
2897         uint8_t         domain, area, al_pa;
2898         struct qla_hw_data *ha = vha->hw;
2899
2900         found_devs = 0;
2901         new_fcport = NULL;
2902         entries = MAX_FIBRE_DEVICES_LOOP;
2903
2904         /* Get list of logged in devices. */
2905         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
2906         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2907             &entries);
2908         if (rval != QLA_SUCCESS)
2909                 goto cleanup_allocation;
2910
2911         ql_dbg(ql_dbg_disc, vha, 0x2017,
2912             "Entries in ID list (%d).\n", entries);
2913         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
2914             (uint8_t *)ha->gid_list,
2915             entries * sizeof(struct gid_list_info));
2916
2917         /* Allocate temporary fcport for any new fcports discovered. */
2918         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2919         if (new_fcport == NULL) {
2920                 ql_log(ql_log_warn, vha, 0x2018,
2921                     "Memory allocation failed for fcport.\n");
2922                 rval = QLA_MEMORY_ALLOC_FAILED;
2923                 goto cleanup_allocation;
2924         }
2925         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2926
2927         /*
2928          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2929          */
2930         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2931                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2932                     fcport->port_type != FCT_BROADCAST &&
2933                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2934
2935                         ql_dbg(ql_dbg_disc, vha, 0x2019,
2936                             "Marking port lost loop_id=0x%04x.\n",
2937                             fcport->loop_id);
2938
2939                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2940                 }
2941         }
2942
2943         /* Add devices to port list. */
2944         id_iter = (char *)ha->gid_list;
2945         for (index = 0; index < entries; index++) {
2946                 domain = ((struct gid_list_info *)id_iter)->domain;
2947                 area = ((struct gid_list_info *)id_iter)->area;
2948                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2949                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2950                         loop_id = (uint16_t)
2951                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2952                 else
2953                         loop_id = le16_to_cpu(
2954                             ((struct gid_list_info *)id_iter)->loop_id);
2955                 id_iter += ha->gid_list_info_size;
2956
2957                 /* Bypass reserved domain fields. */
2958                 if ((domain & 0xf0) == 0xf0)
2959                         continue;
2960
2961                 /* Bypass if not same domain and area of adapter. */
2962                 if (area && domain &&
2963                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2964                         continue;
2965
2966                 /* Bypass invalid local loop ID. */
2967                 if (loop_id > LAST_LOCAL_LOOP_ID)
2968                         continue;
2969
2970                 memset(new_fcport, 0, sizeof(fc_port_t));
2971
2972                 /* Fill in member data. */
2973                 new_fcport->d_id.b.domain = domain;
2974                 new_fcport->d_id.b.area = area;
2975                 new_fcport->d_id.b.al_pa = al_pa;
2976                 new_fcport->loop_id = loop_id;
2977                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2978                 if (rval2 != QLA_SUCCESS) {
2979                         ql_dbg(ql_dbg_disc, vha, 0x201a,
2980                             "Failed to retrieve fcport information "
2981                             "-- get_port_database=%x, loop_id=0x%04x.\n",
2982                             rval2, new_fcport->loop_id);
2983                         ql_dbg(ql_dbg_disc, vha, 0x201b,
2984                             "Scheduling resync.\n");
2985                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2986                         continue;
2987                 }
2988
2989                 /* Check for matching device in port list. */
2990                 found = 0;
2991                 fcport = NULL;
2992                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2993                         if (memcmp(new_fcport->port_name, fcport->port_name,
2994                             WWN_SIZE))
2995                                 continue;
2996
2997                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2998                         fcport->loop_id = new_fcport->loop_id;
2999                         fcport->port_type = new_fcport->port_type;
3000                         fcport->d_id.b24 = new_fcport->d_id.b24;
3001                         memcpy(fcport->node_name, new_fcport->node_name,
3002                             WWN_SIZE);
3003
3004                         found++;
3005                         break;
3006                 }
3007
3008                 if (!found) {
3009                         /* New device, add to fcports list. */
3010                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
3011
3012                         /* Allocate a new replacement fcport. */
3013                         fcport = new_fcport;
3014                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3015                         if (new_fcport == NULL) {
3016                                 ql_log(ql_log_warn, vha, 0x201c,
3017                                     "Failed to allocate memory for fcport.\n");
3018                                 rval = QLA_MEMORY_ALLOC_FAILED;
3019                                 goto cleanup_allocation;
3020                         }
3021                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3022                 }
3023
3024                 /* Base iIDMA settings on HBA port speed. */
3025                 fcport->fp_speed = ha->link_data_rate;
3026
3027                 qla2x00_update_fcport(vha, fcport);
3028
3029                 found_devs++;
3030         }
3031
3032 cleanup_allocation:
3033         kfree(new_fcport);
3034
3035         if (rval != QLA_SUCCESS) {
3036                 ql_dbg(ql_dbg_disc, vha, 0x201d,
3037                     "Configure local loop error exit: rval=%x.\n", rval);
3038         }
3039
3040         return (rval);
3041 }
3042
3043 static void
3044 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3045 {
3046         int rval;
3047         uint16_t mb[4];
3048         struct qla_hw_data *ha = vha->hw;
3049
3050         if (!IS_IIDMA_CAPABLE(ha))
3051                 return;
3052
3053         if (atomic_read(&fcport->state) != FCS_ONLINE)
3054                 return;
3055
3056         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3057             fcport->fp_speed > ha->link_data_rate)
3058                 return;
3059
3060         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3061             mb);
3062         if (rval != QLA_SUCCESS) {
3063                 ql_dbg(ql_dbg_disc, vha, 0x2004,
3064                     "Unable to adjust iIDMA "
3065                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x "
3066                     "%04x.\n", fcport->port_name[0], fcport->port_name[1],
3067                     fcport->port_name[2], fcport->port_name[3],
3068                     fcport->port_name[4], fcport->port_name[5],
3069                     fcport->port_name[6], fcport->port_name[7], rval,
3070                     fcport->fp_speed, mb[0], mb[1]);
3071         } else {
3072                 ql_dbg(ql_dbg_disc, vha, 0x2005,
3073                     "iIDMA adjusted to %s GB/s "
3074                     "on %02x%02x%02x%02x%02x%02x%02x%02x.\n",
3075                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3076                     fcport->port_name[0], fcport->port_name[1],
3077                     fcport->port_name[2], fcport->port_name[3],
3078                     fcport->port_name[4], fcport->port_name[5],
3079                     fcport->port_name[6], fcport->port_name[7]);
3080         }
3081 }
3082
3083 static void
3084 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3085 {
3086         struct fc_rport_identifiers rport_ids;
3087         struct fc_rport *rport;
3088         unsigned long flags;
3089
3090         qla2x00_rport_del(fcport);
3091
3092         rport_ids.node_name = wwn_to_u64(fcport->node_name);
3093         rport_ids.port_name = wwn_to_u64(fcport->port_name);
3094         rport_ids.port_id = fcport->d_id.b.domain << 16 |
3095             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3096         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3097         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3098         if (!rport) {
3099                 ql_log(ql_log_warn, vha, 0x2006,
3100                     "Unable to allocate fc remote port.\n");
3101                 return;
3102         }
3103         /*
3104          * Create target mode FC NEXUS in qla_target.c if target mode is
3105          * enabled..
3106          */
3107         qlt_fc_port_added(vha, fcport);
3108
3109         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3110         *((fc_port_t **)rport->dd_data) = fcport;
3111         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3112
3113         rport->supported_classes = fcport->supported_classes;
3114
3115         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3116         if (fcport->port_type == FCT_INITIATOR)
3117                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3118         if (fcport->port_type == FCT_TARGET)
3119                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3120         fc_remote_port_rolechg(rport, rport_ids.roles);
3121 }
3122
3123 /*
3124  * qla2x00_update_fcport
3125  *      Updates device on list.
3126  *
3127  * Input:
3128  *      ha = adapter block pointer.
3129  *      fcport = port structure pointer.
3130  *
3131  * Return:
3132  *      0  - Success
3133  *  BIT_0 - error
3134  *
3135  * Context:
3136  *      Kernel context.
3137  */
3138 void
3139 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3140 {
3141         fcport->vha = vha;
3142
3143         if (IS_QLAFX00(vha->hw)) {
3144                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3145                 qla2x00_reg_remote_port(vha, fcport);
3146                 return;
3147         }
3148         fcport->login_retry = 0;
3149         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3150
3151         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3152         qla2x00_iidma_fcport(vha, fcport);
3153         qla24xx_update_fcport_fcp_prio(vha, fcport);
3154         qla2x00_reg_remote_port(vha, fcport);
3155 }
3156
3157 /*
3158  * qla2x00_configure_fabric
3159  *      Setup SNS devices with loop ID's.
3160  *
3161  * Input:
3162  *      ha = adapter block pointer.
3163  *
3164  * Returns:
3165  *      0 = success.
3166  *      BIT_0 = error
3167  */
3168 static int
3169 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3170 {
3171         int     rval;
3172         fc_port_t       *fcport, *fcptemp;
3173         uint16_t        next_loopid;
3174         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3175         uint16_t        loop_id;
3176         LIST_HEAD(new_fcports);
3177         struct qla_hw_data *ha = vha->hw;
3178         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3179
3180         /* If FL port exists, then SNS is present */
3181         if (IS_FWI2_CAPABLE(ha))
3182                 loop_id = NPH_F_PORT;
3183         else
3184                 loop_id = SNS_FL_PORT;
3185         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3186         if (rval != QLA_SUCCESS) {
3187                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3188                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3189
3190                 vha->device_flags &= ~SWITCH_FOUND;
3191                 return (QLA_SUCCESS);
3192         }
3193         vha->device_flags |= SWITCH_FOUND;
3194
3195         do {
3196                 /* FDMI support. */
3197                 if (ql2xfdmienable &&
3198                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3199                         qla2x00_fdmi_register(vha);
3200
3201                 /* Ensure we are logged into the SNS. */
3202                 if (IS_FWI2_CAPABLE(ha))
3203                         loop_id = NPH_SNS;
3204                 else
3205                         loop_id = SIMPLE_NAME_SERVER;
3206                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3207                     0xfc, mb, BIT_1|BIT_0);
3208                 if (rval != QLA_SUCCESS) {
3209                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3210                         return rval;
3211                 }
3212                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3213                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3214                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3215                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3216                             mb[2], mb[6], mb[7]);
3217                         return (QLA_SUCCESS);
3218                 }
3219
3220                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3221                         if (qla2x00_rft_id(vha)) {
3222                                 /* EMPTY */
3223                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3224                                     "Register FC-4 TYPE failed.\n");
3225                         }
3226                         if (qla2x00_rff_id(vha)) {
3227                                 /* EMPTY */
3228                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3229                                     "Register FC-4 Features failed.\n");
3230                         }
3231                         if (qla2x00_rnn_id(vha)) {
3232                                 /* EMPTY */
3233                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3234                                     "Register Node Name failed.\n");
3235                         } else if (qla2x00_rsnn_nn(vha)) {
3236                                 /* EMPTY */
3237                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3238                                     "Register Symobilic Node Name failed.\n");
3239                         }
3240                 }
3241
3242 #define QLA_FCPORT_SCAN         1
3243 #define QLA_FCPORT_FOUND        2
3244
3245                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3246                         fcport->scan_state = QLA_FCPORT_SCAN;
3247                 }
3248
3249                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3250                 if (rval != QLA_SUCCESS)
3251                         break;
3252
3253                 /*
3254                  * Logout all previous fabric devices marked lost, except
3255                  * FCP2 devices.
3256                  */
3257                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3258                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3259                                 break;
3260
3261                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3262                                 continue;
3263
3264                         if (fcport->scan_state == QLA_FCPORT_SCAN &&
3265                             atomic_read(&fcport->state) == FCS_ONLINE) {
3266                                 qla2x00_mark_device_lost(vha, fcport,
3267                                     ql2xplogiabsentdevice, 0);
3268                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3269                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3270                                     fcport->port_type != FCT_INITIATOR &&
3271                                     fcport->port_type != FCT_BROADCAST) {
3272                                         ha->isp_ops->fabric_logout(vha,
3273                                             fcport->loop_id,
3274                                             fcport->d_id.b.domain,
3275                                             fcport->d_id.b.area,
3276                                             fcport->d_id.b.al_pa);
3277                                         fcport->loop_id = FC_NO_LOOP_ID;
3278                                 }
3279                         }
3280                 }
3281
3282                 /* Starting free loop ID. */
3283                 next_loopid = ha->min_external_loopid;
3284
3285                 /*
3286                  * Scan through our port list and login entries that need to be
3287                  * logged in.
3288                  */
3289                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3290                         if (atomic_read(&vha->loop_down_timer) ||
3291                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3292                                 break;
3293
3294                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3295                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3296                                 continue;
3297
3298                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3299                                 fcport->loop_id = next_loopid;
3300                                 rval = qla2x00_find_new_loop_id(
3301                                     base_vha, fcport);
3302                                 if (rval != QLA_SUCCESS) {
3303                                         /* Ran out of IDs to use */
3304                                         break;
3305                                 }
3306                         }
3307                         /* Login and update database */
3308                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3309                 }
3310
3311                 /* Exit if out of loop IDs. */
3312                 if (rval != QLA_SUCCESS) {
3313                         break;
3314                 }
3315
3316                 /*
3317                  * Login and add the new devices to our port list.
3318                  */
3319                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3320                         if (atomic_read(&vha->loop_down_timer) ||
3321                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3322                                 break;
3323
3324                         /* Find a new loop ID to use. */
3325                         fcport->loop_id = next_loopid;
3326                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3327                         if (rval != QLA_SUCCESS) {
3328                                 /* Ran out of IDs to use */
3329                                 break;
3330                         }
3331
3332                         /* Login and update database */
3333                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3334
3335                         list_move_tail(&fcport->list, &vha->vp_fcports);
3336                 }
3337         } while (0);
3338
3339         /* Free all new device structures not processed. */
3340         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3341                 list_del(&fcport->list);
3342                 kfree(fcport);
3343         }
3344
3345         if (rval) {
3346                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3347                     "Configure fabric error exit rval=%d.\n", rval);
3348         }
3349
3350         return (rval);
3351 }
3352
3353 /*
3354  * qla2x00_find_all_fabric_devs
3355  *
3356  * Input:
3357  *      ha = adapter block pointer.
3358  *      dev = database device entry pointer.
3359  *
3360  * Returns:
3361  *      0 = success.
3362  *
3363  * Context:
3364  *      Kernel context.
3365  */
3366 static int
3367 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3368         struct list_head *new_fcports)
3369 {
3370         int             rval;
3371         uint16_t        loop_id;
3372         fc_port_t       *fcport, *new_fcport, *fcptemp;
3373         int             found;
3374
3375         sw_info_t       *swl;
3376         int             swl_idx;
3377         int             first_dev, last_dev;
3378         port_id_t       wrap = {}, nxt_d_id;
3379         struct qla_hw_data *ha = vha->hw;
3380         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3381
3382         rval = QLA_SUCCESS;
3383
3384         /* Try GID_PT to get device list, else GAN. */
3385         if (!ha->swl)
3386                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3387                     GFP_KERNEL);
3388         swl = ha->swl;
3389         if (!swl) {
3390                 /*EMPTY*/
3391                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3392                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3393         } else {
3394                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3395                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3396                         swl = NULL;
3397                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3398                         swl = NULL;
3399                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3400                         swl = NULL;
3401                 } else if (ql2xiidmaenable &&
3402                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3403                         qla2x00_gpsc(vha, swl);
3404                 }
3405
3406                 /* If other queries succeeded probe for FC-4 type */
3407                 if (swl)
3408                         qla2x00_gff_id(vha, swl);
3409         }
3410         swl_idx = 0;
3411
3412         /* Allocate temporary fcport for any new fcports discovered. */
3413         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3414         if (new_fcport == NULL) {
3415                 ql_log(ql_log_warn, vha, 0x205e,
3416                     "Failed to allocate memory for fcport.\n");
3417                 return (QLA_MEMORY_ALLOC_FAILED);
3418         }
3419         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3420         /* Set start port ID scan at adapter ID. */
3421         first_dev = 1;
3422         last_dev = 0;
3423
3424         /* Starting free loop ID. */
3425         loop_id = ha->min_external_loopid;
3426         for (; loop_id <= ha->max_loop_id; loop_id++) {
3427                 if (qla2x00_is_reserved_id(vha, loop_id))
3428                         continue;
3429
3430                 if (ha->current_topology == ISP_CFG_FL &&
3431                     (atomic_read(&vha->loop_down_timer) ||
3432                      LOOP_TRANSITION(vha))) {
3433                         atomic_set(&vha->loop_down_timer, 0);
3434                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3435                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3436                         break;
3437                 }
3438
3439                 if (swl != NULL) {
3440                         if (last_dev) {
3441                                 wrap.b24 = new_fcport->d_id.b24;
3442                         } else {
3443                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3444                                 memcpy(new_fcport->node_name,
3445                                     swl[swl_idx].node_name, WWN_SIZE);
3446                                 memcpy(new_fcport->port_name,
3447                                     swl[swl_idx].port_name, WWN_SIZE);
3448                                 memcpy(new_fcport->fabric_port_name,
3449                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3450                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3451                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3452
3453                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3454                                         last_dev = 1;
3455                                 }
3456                                 swl_idx++;
3457                         }
3458                 } else {
3459                         /* Send GA_NXT to the switch */
3460                         rval = qla2x00_ga_nxt(vha, new_fcport);
3461                         if (rval != QLA_SUCCESS) {
3462                                 ql_log(ql_log_warn, vha, 0x2064,
3463                                     "SNS scan failed -- assuming "
3464                                     "zero-entry result.\n");
3465                                 list_for_each_entry_safe(fcport, fcptemp,
3466                                     new_fcports, list) {
3467                                         list_del(&fcport->list);
3468                                         kfree(fcport);
3469                                 }
3470                                 rval = QLA_SUCCESS;
3471                                 break;
3472                         }
3473                 }
3474
3475                 /* If wrap on switch device list, exit. */
3476                 if (first_dev) {
3477                         wrap.b24 = new_fcport->d_id.b24;
3478                         first_dev = 0;
3479                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3480                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3481                             "Device wrap (%02x%02x%02x).\n",
3482                             new_fcport->d_id.b.domain,
3483                             new_fcport->d_id.b.area,
3484                             new_fcport->d_id.b.al_pa);
3485                         break;
3486                 }
3487
3488                 /* Bypass if same physical adapter. */
3489                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3490                         continue;
3491
3492                 /* Bypass virtual ports of the same host. */
3493                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3494                         continue;
3495
3496                 /* Bypass if same domain and area of adapter. */
3497                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3498                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3499                         ISP_CFG_FL)
3500                             continue;
3501
3502                 /* Bypass reserved domain fields. */
3503                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3504                         continue;
3505
3506                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3507                 if (ql2xgffidenable &&
3508                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3509                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3510                         continue;
3511
3512                 /* Locate matching device in database. */
3513                 found = 0;
3514                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3515                         if (memcmp(new_fcport->port_name, fcport->port_name,
3516                             WWN_SIZE))
3517                                 continue;
3518
3519                         fcport->scan_state = QLA_FCPORT_FOUND;
3520
3521                         found++;
3522
3523                         /* Update port state. */
3524                         memcpy(fcport->fabric_port_name,
3525                             new_fcport->fabric_port_name, WWN_SIZE);
3526                         fcport->fp_speed = new_fcport->fp_speed;
3527
3528                         /*
3529                          * If address the same and state FCS_ONLINE, nothing
3530                          * changed.
3531                          */
3532                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3533                             atomic_read(&fcport->state) == FCS_ONLINE) {
3534                                 break;
3535                         }
3536
3537                         /*
3538                          * If device was not a fabric device before.
3539                          */
3540                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3541                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3542                                 qla2x00_clear_loop_id(fcport);
3543                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3544                                     FCF_LOGIN_NEEDED);
3545                                 break;
3546                         }
3547
3548                         /*
3549                          * Port ID changed or device was marked to be updated;
3550                          * Log it out if still logged in and mark it for
3551                          * relogin later.
3552                          */
3553                         fcport->d_id.b24 = new_fcport->d_id.b24;
3554                         fcport->flags |= FCF_LOGIN_NEEDED;
3555                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3556                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3557                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3558                             fcport->port_type != FCT_INITIATOR &&
3559                             fcport->port_type != FCT_BROADCAST) {
3560                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3561                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3562                                     fcport->d_id.b.al_pa);
3563                                 qla2x00_clear_loop_id(fcport);
3564                         }
3565
3566                         break;
3567                 }
3568
3569                 if (found)
3570                         continue;
3571                 /* If device was not in our fcports list, then add it. */
3572                 list_add_tail(&new_fcport->list, new_fcports);
3573
3574                 /* Allocate a new replacement fcport. */
3575                 nxt_d_id.b24 = new_fcport->d_id.b24;
3576                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3577                 if (new_fcport == NULL) {
3578                         ql_log(ql_log_warn, vha, 0x2066,
3579                             "Memory allocation failed for fcport.\n");
3580                         return (QLA_MEMORY_ALLOC_FAILED);
3581                 }
3582                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3583                 new_fcport->d_id.b24 = nxt_d_id.b24;
3584         }
3585
3586         kfree(new_fcport);
3587
3588         return (rval);
3589 }
3590
3591 /*
3592  * qla2x00_find_new_loop_id
3593  *      Scan through our port list and find a new usable loop ID.
3594  *
3595  * Input:
3596  *      ha:     adapter state pointer.
3597  *      dev:    port structure pointer.
3598  *
3599  * Returns:
3600  *      qla2x00 local function return status code.
3601  *
3602  * Context:
3603  *      Kernel context.
3604  */
3605 int
3606 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3607 {
3608         int     rval;
3609         struct qla_hw_data *ha = vha->hw;
3610         unsigned long flags = 0;
3611
3612         rval = QLA_SUCCESS;
3613
3614         spin_lock_irqsave(&ha->vport_slock, flags);
3615
3616         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3617             LOOPID_MAP_SIZE);
3618         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3619             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3620                 dev->loop_id = FC_NO_LOOP_ID;
3621                 rval = QLA_FUNCTION_FAILED;
3622         } else
3623                 set_bit(dev->loop_id, ha->loop_id_map);
3624
3625         spin_unlock_irqrestore(&ha->vport_slock, flags);
3626
3627         if (rval == QLA_SUCCESS)
3628                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3629                     "Assigning new loopid=%x, portid=%x.\n",
3630                     dev->loop_id, dev->d_id.b24);
3631         else
3632                 ql_log(ql_log_warn, dev->vha, 0x2087,
3633                     "No loop_id's available, portid=%x.\n",
3634                     dev->d_id.b24);
3635
3636         return (rval);
3637 }
3638
3639 /*
3640  * qla2x00_fabric_dev_login
3641  *      Login fabric target device and update FC port database.
3642  *
3643  * Input:
3644  *      ha:             adapter state pointer.
3645  *      fcport:         port structure list pointer.
3646  *      next_loopid:    contains value of a new loop ID that can be used
3647  *                      by the next login attempt.
3648  *
3649  * Returns:
3650  *      qla2x00 local function return status code.
3651  *
3652  * Context:
3653  *      Kernel context.
3654  */
3655 static int
3656 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3657     uint16_t *next_loopid)
3658 {
3659         int     rval;
3660         int     retry;
3661         uint8_t opts;
3662         struct qla_hw_data *ha = vha->hw;
3663
3664         rval = QLA_SUCCESS;
3665         retry = 0;
3666
3667         if (IS_ALOGIO_CAPABLE(ha)) {
3668                 if (fcport->flags & FCF_ASYNC_SENT)
3669                         return rval;
3670                 fcport->flags |= FCF_ASYNC_SENT;
3671                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3672                 if (!rval)
3673                         return rval;
3674         }
3675
3676         fcport->flags &= ~FCF_ASYNC_SENT;
3677         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3678         if (rval == QLA_SUCCESS) {
3679                 /* Send an ADISC to FCP2 devices.*/
3680                 opts = 0;
3681                 if (fcport->flags & FCF_FCP2_DEVICE)
3682                         opts |= BIT_1;
3683                 rval = qla2x00_get_port_database(vha, fcport, opts);
3684                 if (rval != QLA_SUCCESS) {
3685                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3686                             fcport->d_id.b.domain, fcport->d_id.b.area,
3687                             fcport->d_id.b.al_pa);
3688                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3689                 } else {
3690                         qla2x00_update_fcport(vha, fcport);
3691                 }
3692         } else {
3693                 /* Retry Login. */
3694                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3695         }
3696
3697         return (rval);
3698 }
3699
3700 /*
3701  * qla2x00_fabric_login
3702  *      Issue fabric login command.
3703  *
3704  * Input:
3705  *      ha = adapter block pointer.
3706  *      device = pointer to FC device type structure.
3707  *
3708  * Returns:
3709  *      0 - Login successfully
3710  *      1 - Login failed
3711  *      2 - Initiator device
3712  *      3 - Fatal error
3713  */
3714 int
3715 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3716     uint16_t *next_loopid)
3717 {
3718         int     rval;
3719         int     retry;
3720         uint16_t tmp_loopid;
3721         uint16_t mb[MAILBOX_REGISTER_COUNT];
3722         struct qla_hw_data *ha = vha->hw;
3723
3724         retry = 0;
3725         tmp_loopid = 0;
3726
3727         for (;;) {
3728                 ql_dbg(ql_dbg_disc, vha, 0x2000,
3729                     "Trying Fabric Login w/loop id 0x%04x for port "
3730                     "%02x%02x%02x.\n",
3731                     fcport->loop_id, fcport->d_id.b.domain,
3732                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
3733
3734                 /* Login fcport on switch. */
3735                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
3736                     fcport->d_id.b.domain, fcport->d_id.b.area,
3737                     fcport->d_id.b.al_pa, mb, BIT_0);
3738                 if (rval != QLA_SUCCESS) {
3739                         return rval;
3740                 }
3741                 if (mb[0] == MBS_PORT_ID_USED) {
3742                         /*
3743                          * Device has another loop ID.  The firmware team
3744                          * recommends the driver perform an implicit login with
3745                          * the specified ID again. The ID we just used is save
3746                          * here so we return with an ID that can be tried by
3747                          * the next login.
3748                          */
3749                         retry++;
3750                         tmp_loopid = fcport->loop_id;
3751                         fcport->loop_id = mb[1];
3752
3753                         ql_dbg(ql_dbg_disc, vha, 0x2001,
3754                             "Fabric Login: port in use - next loop "
3755                             "id=0x%04x, port id= %02x%02x%02x.\n",
3756                             fcport->loop_id, fcport->d_id.b.domain,
3757                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
3758
3759                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3760                         /*
3761                          * Login succeeded.
3762                          */
3763                         if (retry) {
3764                                 /* A retry occurred before. */
3765                                 *next_loopid = tmp_loopid;
3766                         } else {
3767                                 /*
3768                                  * No retry occurred before. Just increment the
3769                                  * ID value for next login.
3770                                  */
3771                                 *next_loopid = (fcport->loop_id + 1);
3772                         }
3773
3774                         if (mb[1] & BIT_0) {
3775                                 fcport->port_type = FCT_INITIATOR;
3776                         } else {
3777                                 fcport->port_type = FCT_TARGET;
3778                                 if (mb[1] & BIT_1) {
3779                                         fcport->flags |= FCF_FCP2_DEVICE;
3780                                 }
3781                         }
3782
3783                         if (mb[10] & BIT_0)
3784                                 fcport->supported_classes |= FC_COS_CLASS2;
3785                         if (mb[10] & BIT_1)
3786                                 fcport->supported_classes |= FC_COS_CLASS3;
3787
3788                         if (IS_FWI2_CAPABLE(ha)) {
3789                                 if (mb[10] & BIT_7)
3790                                         fcport->flags |=
3791                                             FCF_CONF_COMP_SUPPORTED;
3792                         }
3793
3794                         rval = QLA_SUCCESS;
3795                         break;
3796                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3797                         /*
3798                          * Loop ID already used, try next loop ID.
3799                          */
3800                         fcport->loop_id++;
3801                         rval = qla2x00_find_new_loop_id(vha, fcport);
3802                         if (rval != QLA_SUCCESS) {
3803                                 /* Ran out of loop IDs to use */
3804                                 break;
3805                         }
3806                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3807                         /*
3808                          * Firmware possibly timed out during login. If NO
3809                          * retries are left to do then the device is declared
3810                          * dead.
3811                          */
3812                         *next_loopid = fcport->loop_id;
3813                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3814                             fcport->d_id.b.domain, fcport->d_id.b.area,
3815                             fcport->d_id.b.al_pa);
3816                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3817
3818                         rval = 1;
3819                         break;
3820                 } else {
3821                         /*
3822                          * unrecoverable / not handled error
3823                          */
3824                         ql_dbg(ql_dbg_disc, vha, 0x2002,
3825                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3826                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3827                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
3828                             fcport->loop_id, jiffies);
3829
3830                         *next_loopid = fcport->loop_id;
3831                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3832                             fcport->d_id.b.domain, fcport->d_id.b.area,
3833                             fcport->d_id.b.al_pa);
3834                         qla2x00_clear_loop_id(fcport);
3835                         fcport->login_retry = 0;
3836
3837                         rval = 3;
3838                         break;
3839                 }
3840         }
3841
3842         return (rval);
3843 }
3844
3845 /*
3846  * qla2x00_local_device_login
3847  *      Issue local device login command.
3848  *
3849  * Input:
3850  *      ha = adapter block pointer.
3851  *      loop_id = loop id of device to login to.
3852  *
3853  * Returns (Where's the #define!!!!):
3854  *      0 - Login successfully
3855  *      1 - Login failed
3856  *      3 - Fatal error
3857  */
3858 int
3859 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3860 {
3861         int             rval;
3862         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3863
3864         memset(mb, 0, sizeof(mb));
3865         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3866         if (rval == QLA_SUCCESS) {
3867                 /* Interrogate mailbox registers for any errors */
3868                 if (mb[0] == MBS_COMMAND_ERROR)
3869                         rval = 1;
3870                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3871                         /* device not in PCB table */
3872                         rval = 3;
3873         }
3874
3875         return (rval);
3876 }
3877
3878 /*
3879  *  qla2x00_loop_resync
3880  *      Resync with fibre channel devices.
3881  *
3882  * Input:
3883  *      ha = adapter block pointer.
3884  *
3885  * Returns:
3886  *      0 = success
3887  */
3888 int
3889 qla2x00_loop_resync(scsi_qla_host_t *vha)
3890 {
3891         int rval = QLA_SUCCESS;
3892         uint32_t wait_time;
3893         struct req_que *req;
3894         struct rsp_que *rsp;
3895
3896         if (vha->hw->flags.cpu_affinity_enabled)
3897                 req = vha->hw->req_q_map[0];
3898         else
3899                 req = vha->req;
3900         rsp = req->rsp;
3901
3902         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3903         if (vha->flags.online) {
3904                 if (!(rval = qla2x00_fw_ready(vha))) {
3905                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3906                         wait_time = 256;
3907                         do {
3908                                 if (!IS_QLAFX00(vha->hw)) {
3909                                         /*
3910                                          * Issue a marker after FW becomes
3911                                          * ready.
3912                                          */
3913                                         qla2x00_marker(vha, req, rsp, 0, 0,
3914                                                 MK_SYNC_ALL);
3915                                         vha->marker_needed = 0;
3916                                 }
3917
3918                                 /* Remap devices on Loop. */
3919                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3920
3921                                 if (IS_QLAFX00(vha->hw))
3922                                         qlafx00_configure_devices(vha);
3923                                 else
3924                                         qla2x00_configure_loop(vha);
3925
3926                                 wait_time--;
3927                         } while (!atomic_read(&vha->loop_down_timer) &&
3928                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3929                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3930                                 &vha->dpc_flags)));
3931                 }
3932         }
3933
3934         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3935                 return (QLA_FUNCTION_FAILED);
3936
3937         if (rval)
3938                 ql_dbg(ql_dbg_disc, vha, 0x206c,
3939                     "%s *** FAILED ***.\n", __func__);
3940
3941         return (rval);
3942 }
3943
3944 /*
3945 * qla2x00_perform_loop_resync
3946 * Description: This function will set the appropriate flags and call
3947 *              qla2x00_loop_resync. If successful loop will be resynced
3948 * Arguments : scsi_qla_host_t pointer
3949 * returm    : Success or Failure
3950 */
3951
3952 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3953 {
3954         int32_t rval = 0;
3955
3956         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3957                 /*Configure the flags so that resync happens properly*/
3958                 atomic_set(&ha->loop_down_timer, 0);
3959                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3960                         atomic_set(&ha->loop_state, LOOP_UP);
3961                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3962                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3963                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3964
3965                         rval = qla2x00_loop_resync(ha);
3966                 } else
3967                         atomic_set(&ha->loop_state, LOOP_DEAD);
3968
3969                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3970         }
3971
3972         return rval;
3973 }
3974
3975 void
3976 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3977 {
3978         fc_port_t *fcport;
3979         struct scsi_qla_host *vha;
3980         struct qla_hw_data *ha = base_vha->hw;
3981         unsigned long flags;
3982
3983         spin_lock_irqsave(&ha->vport_slock, flags);
3984         /* Go with deferred removal of rport references. */
3985         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3986                 atomic_inc(&vha->vref_count);
3987                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3988                         if (fcport->drport &&
3989                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3990                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3991                                 qla2x00_rport_del(fcport);
3992                                 spin_lock_irqsave(&ha->vport_slock, flags);
3993                         }
3994                 }
3995                 atomic_dec(&vha->vref_count);
3996         }
3997         spin_unlock_irqrestore(&ha->vport_slock, flags);
3998 }
3999
4000 /* Assumes idc_lock always held on entry */
4001 void
4002 qla83xx_reset_ownership(scsi_qla_host_t *vha)
4003 {
4004         struct qla_hw_data *ha = vha->hw;
4005         uint32_t drv_presence, drv_presence_mask;
4006         uint32_t dev_part_info1, dev_part_info2, class_type;
4007         uint32_t class_type_mask = 0x3;
4008         uint16_t fcoe_other_function = 0xffff, i;
4009
4010         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4011
4012         qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4013         qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4014         for (i = 0; i < 8; i++) {
4015                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4016                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4017                     (i != ha->portnum)) {
4018                         fcoe_other_function = i;
4019                         break;
4020                 }
4021         }
4022         if (fcoe_other_function == 0xffff) {
4023                 for (i = 0; i < 8; i++) {
4024                         class_type = ((dev_part_info2 >> (i * 4)) &
4025                             class_type_mask);
4026                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4027                             ((i + 8) != ha->portnum)) {
4028                                 fcoe_other_function = i + 8;
4029                                 break;
4030                         }
4031                 }
4032         }
4033         /*
4034          * Prepare drv-presence mask based on fcoe functions present.
4035          * However consider only valid physical fcoe function numbers (0-15).
4036          */
4037         drv_presence_mask = ~((1 << (ha->portnum)) |
4038                         ((fcoe_other_function == 0xffff) ?
4039                          0 : (1 << (fcoe_other_function))));
4040
4041         /* We are the reset owner iff:
4042          *    - No other protocol drivers present.
4043          *    - This is the lowest among fcoe functions. */
4044         if (!(drv_presence & drv_presence_mask) &&
4045                         (ha->portnum < fcoe_other_function)) {
4046                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4047                     "This host is Reset owner.\n");
4048                 ha->flags.nic_core_reset_owner = 1;
4049         }
4050 }
4051
4052 static int
4053 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4054 {
4055         int rval = QLA_SUCCESS;
4056         struct qla_hw_data *ha = vha->hw;
4057         uint32_t drv_ack;
4058
4059         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4060         if (rval == QLA_SUCCESS) {
4061                 drv_ack |= (1 << ha->portnum);
4062                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4063         }
4064
4065         return rval;
4066 }
4067
4068 static int
4069 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4070 {
4071         int rval = QLA_SUCCESS;
4072         struct qla_hw_data *ha = vha->hw;
4073         uint32_t drv_ack;
4074
4075         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4076         if (rval == QLA_SUCCESS) {
4077                 drv_ack &= ~(1 << ha->portnum);
4078                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4079         }
4080
4081         return rval;
4082 }
4083
4084 static const char *
4085 qla83xx_dev_state_to_string(uint32_t dev_state)
4086 {
4087         switch (dev_state) {
4088         case QLA8XXX_DEV_COLD:
4089                 return "COLD/RE-INIT";
4090         case QLA8XXX_DEV_INITIALIZING:
4091                 return "INITIALIZING";
4092         case QLA8XXX_DEV_READY:
4093                 return "READY";
4094         case QLA8XXX_DEV_NEED_RESET:
4095                 return "NEED RESET";
4096         case QLA8XXX_DEV_NEED_QUIESCENT:
4097                 return "NEED QUIESCENT";
4098         case QLA8XXX_DEV_FAILED:
4099                 return "FAILED";
4100         case QLA8XXX_DEV_QUIESCENT:
4101                 return "QUIESCENT";
4102         default:
4103                 return "Unknown";
4104         }
4105 }
4106
4107 /* Assumes idc-lock always held on entry */
4108 void
4109 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4110 {
4111         struct qla_hw_data *ha = vha->hw;
4112         uint32_t idc_audit_reg = 0, duration_secs = 0;
4113
4114         switch (audit_type) {
4115         case IDC_AUDIT_TIMESTAMP:
4116                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4117                 idc_audit_reg = (ha->portnum) |
4118                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4119                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4120                 break;
4121
4122         case IDC_AUDIT_COMPLETION:
4123                 duration_secs = ((jiffies_to_msecs(jiffies) -
4124                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4125                 idc_audit_reg = (ha->portnum) |
4126                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4127                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4128                 break;
4129
4130         default:
4131                 ql_log(ql_log_warn, vha, 0xb078,
4132                     "Invalid audit type specified.\n");
4133                 break;
4134         }
4135 }
4136
4137 /* Assumes idc_lock always held on entry */
4138 static int
4139 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4140 {
4141         struct qla_hw_data *ha = vha->hw;
4142         uint32_t  idc_control, dev_state;
4143
4144         __qla83xx_get_idc_control(vha, &idc_control);
4145         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4146                 ql_log(ql_log_info, vha, 0xb080,
4147                     "NIC Core reset has been disabled. idc-control=0x%x\n",
4148                     idc_control);
4149                 return QLA_FUNCTION_FAILED;
4150         }
4151
4152         /* Set NEED-RESET iff in READY state and we are the reset-owner */
4153         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4154         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4155                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4156                     QLA8XXX_DEV_NEED_RESET);
4157                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4158                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4159         } else {
4160                 const char *state = qla83xx_dev_state_to_string(dev_state);
4161                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4162
4163                 /* SV: XXX: Is timeout required here? */
4164                 /* Wait for IDC state change READY -> NEED_RESET */
4165                 while (dev_state == QLA8XXX_DEV_READY) {
4166                         qla83xx_idc_unlock(vha, 0);
4167                         msleep(200);
4168                         qla83xx_idc_lock(vha, 0);
4169                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4170                 }
4171         }
4172
4173         /* Send IDC ack by writing to drv-ack register */
4174         __qla83xx_set_drv_ack(vha);
4175
4176         return QLA_SUCCESS;
4177 }
4178
4179 int
4180 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4181 {
4182         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4183 }
4184
4185 int
4186 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4187 {
4188         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4189 }
4190
4191 static int
4192 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4193 {
4194         uint32_t drv_presence = 0;
4195         struct qla_hw_data *ha = vha->hw;
4196
4197         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4198         if (drv_presence & (1 << ha->portnum))
4199                 return QLA_SUCCESS;
4200         else
4201                 return QLA_TEST_FAILED;
4202 }
4203
4204 int
4205 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4206 {
4207         int rval = QLA_SUCCESS;
4208         struct qla_hw_data *ha = vha->hw;
4209
4210         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4211             "Entered  %s().\n", __func__);
4212
4213         if (vha->device_flags & DFLG_DEV_FAILED) {
4214                 ql_log(ql_log_warn, vha, 0xb059,
4215                     "Device in unrecoverable FAILED state.\n");
4216                 return QLA_FUNCTION_FAILED;
4217         }
4218
4219         qla83xx_idc_lock(vha, 0);
4220
4221         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4222                 ql_log(ql_log_warn, vha, 0xb05a,
4223                     "Function=0x%x has been removed from IDC participation.\n",
4224                     ha->portnum);
4225                 rval = QLA_FUNCTION_FAILED;
4226                 goto exit;
4227         }
4228
4229         qla83xx_reset_ownership(vha);
4230
4231         rval = qla83xx_initiating_reset(vha);
4232
4233         /*
4234          * Perform reset if we are the reset-owner,
4235          * else wait till IDC state changes to READY/FAILED.
4236          */
4237         if (rval == QLA_SUCCESS) {
4238                 rval = qla83xx_idc_state_handler(vha);
4239
4240                 if (rval == QLA_SUCCESS)
4241                         ha->flags.nic_core_hung = 0;
4242                 __qla83xx_clear_drv_ack(vha);
4243         }
4244
4245 exit:
4246         qla83xx_idc_unlock(vha, 0);
4247
4248         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4249
4250         return rval;
4251 }
4252
4253 int
4254 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4255 {
4256         struct qla_hw_data *ha = vha->hw;
4257         int rval = QLA_FUNCTION_FAILED;
4258
4259         if (!IS_MCTP_CAPABLE(ha)) {
4260                 /* This message can be removed from the final version */
4261                 ql_log(ql_log_info, vha, 0x506d,
4262                     "This board is not MCTP capable\n");
4263                 return rval;
4264         }
4265
4266         if (!ha->mctp_dump) {
4267                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4268                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4269
4270                 if (!ha->mctp_dump) {
4271                         ql_log(ql_log_warn, vha, 0x506e,
4272                             "Failed to allocate memory for mctp dump\n");
4273                         return rval;
4274                 }
4275         }
4276
4277 #define MCTP_DUMP_STR_ADDR      0x00000000
4278         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4279             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4280         if (rval != QLA_SUCCESS) {
4281                 ql_log(ql_log_warn, vha, 0x506f,
4282                     "Failed to capture mctp dump\n");
4283         } else {
4284                 ql_log(ql_log_info, vha, 0x5070,
4285                     "Mctp dump capture for host (%ld/%p).\n",
4286                     vha->host_no, ha->mctp_dump);
4287                 ha->mctp_dumped = 1;
4288         }
4289
4290         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4291                 ha->flags.nic_core_reset_hdlr_active = 1;
4292                 rval = qla83xx_restart_nic_firmware(vha);
4293                 if (rval)
4294                         /* NIC Core reset failed. */
4295                         ql_log(ql_log_warn, vha, 0x5071,
4296                             "Failed to restart nic firmware\n");
4297                 else
4298                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4299                             "Restarted NIC firmware successfully.\n");
4300                 ha->flags.nic_core_reset_hdlr_active = 0;
4301         }
4302
4303         return rval;
4304
4305 }
4306
4307 /*
4308 * qla2x00_quiesce_io
4309 * Description: This function will block the new I/Os
4310 *              Its not aborting any I/Os as context
4311 *              is not destroyed during quiescence
4312 * Arguments: scsi_qla_host_t
4313 * return   : void
4314 */
4315 void
4316 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4317 {
4318         struct qla_hw_data *ha = vha->hw;
4319         struct scsi_qla_host *vp;
4320
4321         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4322             "Quiescing I/O - ha=%p.\n", ha);
4323
4324         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4325         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4326                 atomic_set(&vha->loop_state, LOOP_DOWN);
4327                 qla2x00_mark_all_devices_lost(vha, 0);
4328                 list_for_each_entry(vp, &ha->vp_list, list)
4329                         qla2x00_mark_all_devices_lost(vp, 0);
4330         } else {
4331                 if (!atomic_read(&vha->loop_down_timer))
4332                         atomic_set(&vha->loop_down_timer,
4333                                         LOOP_DOWN_TIME);
4334         }
4335         /* Wait for pending cmds to complete */
4336         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4337 }
4338
4339 void
4340 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4341 {
4342         struct qla_hw_data *ha = vha->hw;
4343         struct scsi_qla_host *vp;
4344         unsigned long flags;
4345         fc_port_t *fcport;
4346
4347         /* For ISP82XX, driver waits for completion of the commands.
4348          * online flag should be set.
4349          */
4350         if (!IS_QLA82XX(ha))
4351                 vha->flags.online = 0;
4352         ha->flags.chip_reset_done = 0;
4353         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4354         vha->qla_stats.total_isp_aborts++;
4355
4356         ql_log(ql_log_info, vha, 0x00af,
4357             "Performing ISP error recovery - ha=%p.\n", ha);
4358
4359         /* For ISP82XX, reset_chip is just disabling interrupts.
4360          * Driver waits for the completion of the commands.
4361          * the interrupts need to be enabled.
4362          */
4363         if (!IS_QLA82XX(ha))
4364                 ha->isp_ops->reset_chip(vha);
4365
4366         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4367         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4368                 atomic_set(&vha->loop_state, LOOP_DOWN);
4369                 qla2x00_mark_all_devices_lost(vha, 0);
4370
4371                 spin_lock_irqsave(&ha->vport_slock, flags);
4372                 list_for_each_entry(vp, &ha->vp_list, list) {
4373                         atomic_inc(&vp->vref_count);
4374                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4375
4376                         qla2x00_mark_all_devices_lost(vp, 0);
4377
4378                         spin_lock_irqsave(&ha->vport_slock, flags);
4379                         atomic_dec(&vp->vref_count);
4380                 }
4381                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4382         } else {
4383                 if (!atomic_read(&vha->loop_down_timer))
4384                         atomic_set(&vha->loop_down_timer,
4385                             LOOP_DOWN_TIME);
4386         }
4387
4388         /* Clear all async request states across all VPs. */
4389         list_for_each_entry(fcport, &vha->vp_fcports, list)
4390                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4391         spin_lock_irqsave(&ha->vport_slock, flags);
4392         list_for_each_entry(vp, &ha->vp_list, list) {
4393                 atomic_inc(&vp->vref_count);
4394                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4395
4396                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4397                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4398
4399                 spin_lock_irqsave(&ha->vport_slock, flags);
4400                 atomic_dec(&vp->vref_count);
4401         }
4402         spin_unlock_irqrestore(&ha->vport_slock, flags);
4403
4404         if (!ha->flags.eeh_busy) {
4405                 /* Make sure for ISP 82XX IO DMA is complete */
4406                 if (IS_QLA82XX(ha)) {
4407                         qla82xx_chip_reset_cleanup(vha);
4408                         ql_log(ql_log_info, vha, 0x00b4,
4409                             "Done chip reset cleanup.\n");
4410
4411                         /* Done waiting for pending commands.
4412                          * Reset the online flag.
4413                          */
4414                         vha->flags.online = 0;
4415                 }
4416
4417                 /* Requeue all commands in outstanding command list. */
4418                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4419         }
4420 }
4421
4422 /*
4423 *  qla2x00_abort_isp
4424 *      Resets ISP and aborts all outstanding commands.
4425 *
4426 * Input:
4427 *      ha           = adapter block pointer.
4428 *
4429 * Returns:
4430 *      0 = success
4431 */
4432 int
4433 qla2x00_abort_isp(scsi_qla_host_t *vha)
4434 {
4435         int rval;
4436         uint8_t        status = 0;
4437         struct qla_hw_data *ha = vha->hw;
4438         struct scsi_qla_host *vp;
4439         struct req_que *req = ha->req_q_map[0];
4440         unsigned long flags;
4441
4442         if (vha->flags.online) {
4443                 qla2x00_abort_isp_cleanup(vha);
4444
4445                 if (IS_QLA8031(ha)) {
4446                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4447                             "Clearing fcoe driver presence.\n");
4448                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4449                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4450                                     "Error while clearing DRV-Presence.\n");
4451                 }
4452
4453                 if (unlikely(pci_channel_offline(ha->pdev) &&
4454                     ha->flags.pci_channel_io_perm_failure)) {
4455                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4456                         status = 0;
4457                         return status;
4458                 }
4459
4460                 ha->isp_ops->get_flash_version(vha, req->ring);
4461
4462                 ha->isp_ops->nvram_config(vha);
4463
4464                 if (!qla2x00_restart_isp(vha)) {
4465                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4466
4467                         if (!atomic_read(&vha->loop_down_timer)) {
4468                                 /*
4469                                  * Issue marker command only when we are going
4470                                  * to start the I/O .
4471                                  */
4472                                 vha->marker_needed = 1;
4473                         }
4474
4475                         vha->flags.online = 1;
4476
4477                         ha->isp_ops->enable_intrs(ha);
4478
4479                         ha->isp_abort_cnt = 0;
4480                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4481
4482                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4483                                 qla2x00_get_fw_version(vha);
4484                         if (ha->fce) {
4485                                 ha->flags.fce_enabled = 1;
4486                                 memset(ha->fce, 0,
4487                                     fce_calc_size(ha->fce_bufs));
4488                                 rval = qla2x00_enable_fce_trace(vha,
4489                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4490                                     &ha->fce_bufs);
4491                                 if (rval) {
4492                                         ql_log(ql_log_warn, vha, 0x8033,
4493                                             "Unable to reinitialize FCE "
4494                                             "(%d).\n", rval);
4495                                         ha->flags.fce_enabled = 0;
4496                                 }
4497                         }
4498
4499                         if (ha->eft) {
4500                                 memset(ha->eft, 0, EFT_SIZE);
4501                                 rval = qla2x00_enable_eft_trace(vha,
4502                                     ha->eft_dma, EFT_NUM_BUFFERS);
4503                                 if (rval) {
4504                                         ql_log(ql_log_warn, vha, 0x8034,
4505                                             "Unable to reinitialize EFT "
4506                                             "(%d).\n", rval);
4507                                 }
4508                         }
4509                 } else {        /* failed the ISP abort */
4510                         vha->flags.online = 1;
4511                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4512                                 if (ha->isp_abort_cnt == 0) {
4513                                         ql_log(ql_log_fatal, vha, 0x8035,
4514                                             "ISP error recover failed - "
4515                                             "board disabled.\n");
4516                                         /*
4517                                          * The next call disables the board
4518                                          * completely.
4519                                          */
4520                                         ha->isp_ops->reset_adapter(vha);
4521                                         vha->flags.online = 0;
4522                                         clear_bit(ISP_ABORT_RETRY,
4523                                             &vha->dpc_flags);
4524                                         status = 0;
4525                                 } else { /* schedule another ISP abort */
4526                                         ha->isp_abort_cnt--;
4527                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4528                                             "ISP abort - retry remaining %d.\n",
4529                                             ha->isp_abort_cnt);
4530                                         status = 1;
4531                                 }
4532                         } else {
4533                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4534                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4535                                     "ISP error recovery - retrying (%d) "
4536                                     "more times.\n", ha->isp_abort_cnt);
4537                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4538                                 status = 1;
4539                         }
4540                 }
4541
4542         }
4543
4544         if (!status) {
4545                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4546
4547                 spin_lock_irqsave(&ha->vport_slock, flags);
4548                 list_for_each_entry(vp, &ha->vp_list, list) {
4549                         if (vp->vp_idx) {
4550                                 atomic_inc(&vp->vref_count);
4551                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4552
4553                                 qla2x00_vp_abort_isp(vp);
4554
4555                                 spin_lock_irqsave(&ha->vport_slock, flags);
4556                                 atomic_dec(&vp->vref_count);
4557                         }
4558                 }
4559                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4560
4561                 if (IS_QLA8031(ha)) {
4562                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4563                             "Setting back fcoe driver presence.\n");
4564                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4565                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4566                                     "Error while setting DRV-Presence.\n");
4567                 }
4568         } else {
4569                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4570                        __func__);
4571         }
4572
4573         return(status);
4574 }
4575
4576 /*
4577 *  qla2x00_restart_isp
4578 *      restarts the ISP after a reset
4579 *
4580 * Input:
4581 *      ha = adapter block pointer.
4582 *
4583 * Returns:
4584 *      0 = success
4585 */
4586 static int
4587 qla2x00_restart_isp(scsi_qla_host_t *vha)
4588 {
4589         int status = 0;
4590         uint32_t wait_time;
4591         struct qla_hw_data *ha = vha->hw;
4592         struct req_que *req = ha->req_q_map[0];
4593         struct rsp_que *rsp = ha->rsp_q_map[0];
4594         unsigned long flags;
4595
4596         /* If firmware needs to be loaded */
4597         if (qla2x00_isp_firmware(vha)) {
4598                 vha->flags.online = 0;
4599                 status = ha->isp_ops->chip_diag(vha);
4600                 if (!status)
4601                         status = qla2x00_setup_chip(vha);
4602         }
4603
4604         if (!status && !(status = qla2x00_init_rings(vha))) {
4605                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4606                 ha->flags.chip_reset_done = 1;
4607                 /* Initialize the queues in use */
4608                 qla25xx_init_queues(ha);
4609
4610                 status = qla2x00_fw_ready(vha);
4611                 if (!status) {
4612                         ql_dbg(ql_dbg_taskm, vha, 0x8031,
4613                             "Start configure loop status = %d.\n", status);
4614
4615                         /* Issue a marker after FW becomes ready. */
4616                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4617
4618                         vha->flags.online = 1;
4619
4620                         /*
4621                          * Process any ATIO queue entries that came in
4622                          * while we weren't online.
4623                          */
4624                         spin_lock_irqsave(&ha->hardware_lock, flags);
4625                         if (qla_tgt_mode_enabled(vha))
4626                                 qlt_24xx_process_atio_queue(vha);
4627                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4628
4629                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4630                         wait_time = 256;
4631                         do {
4632                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4633                                 qla2x00_configure_loop(vha);
4634                                 wait_time--;
4635                         } while (!atomic_read(&vha->loop_down_timer) &&
4636                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4637                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4638                                 &vha->dpc_flags)));
4639                 }
4640
4641                 /* if no cable then assume it's good */
4642                 if ((vha->device_flags & DFLG_NO_CABLE))
4643                         status = 0;
4644
4645                 ql_dbg(ql_dbg_taskm, vha, 0x8032,
4646                     "Configure loop done, status = 0x%x.\n", status);
4647         }
4648         return (status);
4649 }
4650
4651 static int
4652 qla25xx_init_queues(struct qla_hw_data *ha)
4653 {
4654         struct rsp_que *rsp = NULL;
4655         struct req_que *req = NULL;
4656         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4657         int ret = -1;
4658         int i;
4659
4660         for (i = 1; i < ha->max_rsp_queues; i++) {
4661                 rsp = ha->rsp_q_map[i];
4662                 if (rsp) {
4663                         rsp->options &= ~BIT_0;
4664                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4665                         if (ret != QLA_SUCCESS)
4666                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4667                                     "%s Rsp que: %d init failed.\n",
4668                                     __func__, rsp->id);
4669                         else
4670                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4671                                     "%s Rsp que: %d inited.\n",
4672                                     __func__, rsp->id);
4673                 }
4674         }
4675         for (i = 1; i < ha->max_req_queues; i++) {
4676                 req = ha->req_q_map[i];
4677                 if (req) {
4678                 /* Clear outstanding commands array. */
4679                         req->options &= ~BIT_0;
4680                         ret = qla25xx_init_req_que(base_vha, req);
4681                         if (ret != QLA_SUCCESS)
4682                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4683                                     "%s Req que: %d init failed.\n",
4684                                     __func__, req->id);
4685                         else
4686                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4687                                     "%s Req que: %d inited.\n",
4688                                     __func__, req->id);
4689                 }
4690         }
4691         return ret;
4692 }
4693
4694 /*
4695 * qla2x00_reset_adapter
4696 *      Reset adapter.
4697 *
4698 * Input:
4699 *      ha = adapter block pointer.
4700 */
4701 void
4702 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4703 {
4704         unsigned long flags = 0;
4705         struct qla_hw_data *ha = vha->hw;
4706         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4707
4708         vha->flags.online = 0;
4709         ha->isp_ops->disable_intrs(ha);
4710
4711         spin_lock_irqsave(&ha->hardware_lock, flags);
4712         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4713         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4714         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4715         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4716         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4717 }
4718
4719 void
4720 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4721 {
4722         unsigned long flags = 0;
4723         struct qla_hw_data *ha = vha->hw;
4724         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4725
4726         if (IS_QLA82XX(ha))
4727                 return;
4728
4729         vha->flags.online = 0;
4730         ha->isp_ops->disable_intrs(ha);
4731
4732         spin_lock_irqsave(&ha->hardware_lock, flags);
4733         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4734         RD_REG_DWORD(&reg->hccr);
4735         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4736         RD_REG_DWORD(&reg->hccr);
4737         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4738
4739         if (IS_NOPOLLING_TYPE(ha))
4740                 ha->isp_ops->enable_intrs(ha);
4741 }
4742
4743 /* On sparc systems, obtain port and node WWN from firmware
4744  * properties.
4745  */
4746 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4747         struct nvram_24xx *nv)
4748 {
4749 #ifdef CONFIG_SPARC
4750         struct qla_hw_data *ha = vha->hw;
4751         struct pci_dev *pdev = ha->pdev;
4752         struct device_node *dp = pci_device_to_OF_node(pdev);
4753         const u8 *val;
4754         int len;
4755
4756         val = of_get_property(dp, "port-wwn", &len);
4757         if (val && len >= WWN_SIZE)
4758                 memcpy(nv->port_name, val, WWN_SIZE);
4759
4760         val = of_get_property(dp, "node-wwn", &len);
4761         if (val && len >= WWN_SIZE)
4762                 memcpy(nv->node_name, val, WWN_SIZE);
4763 #endif
4764 }
4765
4766 int
4767 qla24xx_nvram_config(scsi_qla_host_t *vha)
4768 {
4769         int   rval;
4770         struct init_cb_24xx *icb;
4771         struct nvram_24xx *nv;
4772         uint32_t *dptr;
4773         uint8_t  *dptr1, *dptr2;
4774         uint32_t chksum;
4775         uint16_t cnt;
4776         struct qla_hw_data *ha = vha->hw;
4777
4778         rval = QLA_SUCCESS;
4779         icb = (struct init_cb_24xx *)ha->init_cb;
4780         nv = ha->nvram;
4781
4782         /* Determine NVRAM starting address. */
4783         if (ha->flags.port0) {
4784                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4785                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4786         } else {
4787                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4788                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4789         }
4790         ha->nvram_size = sizeof(struct nvram_24xx);
4791         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4792         if (IS_QLA82XX(ha))
4793                 ha->vpd_size = FA_VPD_SIZE_82XX;
4794
4795         /* Get VPD data into cache */
4796         ha->vpd = ha->nvram + VPD_OFFSET;
4797         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4798             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4799
4800         /* Get NVRAM data into cache and calculate checksum. */
4801         dptr = (uint32_t *)nv;
4802         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4803             ha->nvram_size);
4804         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4805                 chksum += le32_to_cpu(*dptr++);
4806
4807         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4808             "Contents of NVRAM\n");
4809         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4810             (uint8_t *)nv, ha->nvram_size);
4811
4812         /* Bad NVRAM data, set defaults parameters. */
4813         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4814             || nv->id[3] != ' ' ||
4815             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4816                 /* Reset NVRAM data. */
4817                 ql_log(ql_log_warn, vha, 0x006b,
4818                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
4819                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4820                 ql_log(ql_log_warn, vha, 0x006c,
4821                     "Falling back to functioning (yet invalid -- WWPN) "
4822                     "defaults.\n");
4823
4824                 /*
4825                  * Set default initialization control block.
4826                  */
4827                 memset(nv, 0, ha->nvram_size);
4828                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4829                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4830                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4831                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4832                 nv->exchange_count = __constant_cpu_to_le16(0);
4833                 nv->hard_address = __constant_cpu_to_le16(124);
4834                 nv->port_name[0] = 0x21;
4835                 nv->port_name[1] = 0x00 + ha->port_no;
4836                 nv->port_name[2] = 0x00;
4837                 nv->port_name[3] = 0xe0;
4838                 nv->port_name[4] = 0x8b;
4839                 nv->port_name[5] = 0x1c;
4840                 nv->port_name[6] = 0x55;
4841                 nv->port_name[7] = 0x86;
4842                 nv->node_name[0] = 0x20;
4843                 nv->node_name[1] = 0x00;
4844                 nv->node_name[2] = 0x00;
4845                 nv->node_name[3] = 0xe0;
4846                 nv->node_name[4] = 0x8b;
4847                 nv->node_name[5] = 0x1c;
4848                 nv->node_name[6] = 0x55;
4849                 nv->node_name[7] = 0x86;
4850                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4851                 nv->login_retry_count = __constant_cpu_to_le16(8);
4852                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4853                 nv->login_timeout = __constant_cpu_to_le16(0);
4854                 nv->firmware_options_1 =
4855                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4856                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4857                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4858                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4859                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4860                 nv->efi_parameters = __constant_cpu_to_le32(0);
4861                 nv->reset_delay = 5;
4862                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4863                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4864                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4865
4866                 rval = 1;
4867         }
4868
4869         if (!qla_ini_mode_enabled(vha)) {
4870                 /* Don't enable full login after initial LIP */
4871                 nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
4872                 /* Don't enable LIP full login for initiator */
4873                 nv->host_p &= __constant_cpu_to_le32(~BIT_10);
4874         }
4875
4876         qlt_24xx_config_nvram_stage1(vha, nv);
4877
4878         /* Reset Initialization control block */
4879         memset(icb, 0, ha->init_cb_size);
4880
4881         /* Copy 1st segment. */
4882         dptr1 = (uint8_t *)icb;
4883         dptr2 = (uint8_t *)&nv->version;
4884         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4885         while (cnt--)
4886                 *dptr1++ = *dptr2++;
4887
4888         icb->login_retry_count = nv->login_retry_count;
4889         icb->link_down_on_nos = nv->link_down_on_nos;
4890
4891         /* Copy 2nd segment. */
4892         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4893         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4894         cnt = (uint8_t *)&icb->reserved_3 -
4895             (uint8_t *)&icb->interrupt_delay_timer;
4896         while (cnt--)
4897                 *dptr1++ = *dptr2++;
4898
4899         /*
4900          * Setup driver NVRAM options.
4901          */
4902         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4903             "QLA2462");
4904
4905         qlt_24xx_config_nvram_stage2(vha, icb);
4906
4907         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4908                 /* Use alternate WWN? */
4909                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4910                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4911         }
4912
4913         /* Prepare nodename */
4914         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4915                 /*
4916                  * Firmware will apply the following mask if the nodename was
4917                  * not provided.
4918                  */
4919                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4920                 icb->node_name[0] &= 0xF0;
4921         }
4922
4923         /* Set host adapter parameters. */
4924         ha->flags.disable_risc_code_load = 0;
4925         ha->flags.enable_lip_reset = 0;
4926         ha->flags.enable_lip_full_login =
4927             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4928         ha->flags.enable_target_reset =
4929             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4930         ha->flags.enable_led_scheme = 0;
4931         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4932
4933         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4934             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4935
4936         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4937             sizeof(ha->fw_seriallink_options24));
4938
4939         /* save HBA serial number */
4940         ha->serial0 = icb->port_name[5];
4941         ha->serial1 = icb->port_name[6];
4942         ha->serial2 = icb->port_name[7];
4943         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4944         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4945
4946         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4947
4948         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4949
4950         /* Set minimum login_timeout to 4 seconds. */
4951         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4952                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4953         if (le16_to_cpu(nv->login_timeout) < 4)
4954                 nv->login_timeout = __constant_cpu_to_le16(4);
4955         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4956         icb->login_timeout = nv->login_timeout;
4957
4958         /* Set minimum RATOV to 100 tenths of a second. */
4959         ha->r_a_tov = 100;
4960
4961         ha->loop_reset_delay = nv->reset_delay;
4962
4963         /* Link Down Timeout = 0:
4964          *
4965          *      When Port Down timer expires we will start returning
4966          *      I/O's to OS with "DID_NO_CONNECT".
4967          *
4968          * Link Down Timeout != 0:
4969          *
4970          *       The driver waits for the link to come up after link down
4971          *       before returning I/Os to OS with "DID_NO_CONNECT".
4972          */
4973         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4974                 ha->loop_down_abort_time =
4975                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4976         } else {
4977                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4978                 ha->loop_down_abort_time =
4979                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4980         }
4981
4982         /* Need enough time to try and get the port back. */
4983         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4984         if (qlport_down_retry)
4985                 ha->port_down_retry_count = qlport_down_retry;
4986
4987         /* Set login_retry_count */
4988         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4989         if (ha->port_down_retry_count ==
4990             le16_to_cpu(nv->port_down_retry_count) &&
4991             ha->port_down_retry_count > 3)
4992                 ha->login_retry_count = ha->port_down_retry_count;
4993         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4994                 ha->login_retry_count = ha->port_down_retry_count;
4995         if (ql2xloginretrycount)
4996                 ha->login_retry_count = ql2xloginretrycount;
4997
4998         /* Enable ZIO. */
4999         if (!vha->flags.init_done) {
5000                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5001                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5002                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5003                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5004         }
5005         icb->firmware_options_2 &= __constant_cpu_to_le32(
5006             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5007         vha->flags.process_response_queue = 0;
5008         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5009                 ha->zio_mode = QLA_ZIO_MODE_6;
5010
5011                 ql_log(ql_log_info, vha, 0x006f,
5012                     "ZIO mode %d enabled; timer delay (%d us).\n",
5013                     ha->zio_mode, ha->zio_timer * 100);
5014
5015                 icb->firmware_options_2 |= cpu_to_le32(
5016                     (uint32_t)ha->zio_mode);
5017                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5018                 vha->flags.process_response_queue = 1;
5019         }
5020
5021         if (rval) {
5022                 ql_log(ql_log_warn, vha, 0x0070,
5023                     "NVRAM configuration failed.\n");
5024         }
5025         return (rval);
5026 }
5027
5028 static int
5029 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5030     uint32_t faddr)
5031 {
5032         int     rval = QLA_SUCCESS;
5033         int     segments, fragment;
5034         uint32_t *dcode, dlen;
5035         uint32_t risc_addr;
5036         uint32_t risc_size;
5037         uint32_t i;
5038         struct qla_hw_data *ha = vha->hw;
5039         struct req_que *req = ha->req_q_map[0];
5040
5041         ql_dbg(ql_dbg_init, vha, 0x008b,
5042             "FW: Loading firmware from flash (%x).\n", faddr);
5043
5044         rval = QLA_SUCCESS;
5045
5046         segments = FA_RISC_CODE_SEGMENTS;
5047         dcode = (uint32_t *)req->ring;
5048         *srisc_addr = 0;
5049
5050         /* Validate firmware image by checking version. */
5051         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5052         for (i = 0; i < 4; i++)
5053                 dcode[i] = be32_to_cpu(dcode[i]);
5054         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5055             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5056             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5057                 dcode[3] == 0)) {
5058                 ql_log(ql_log_fatal, vha, 0x008c,
5059                     "Unable to verify the integrity of flash firmware "
5060                     "image.\n");
5061                 ql_log(ql_log_fatal, vha, 0x008d,
5062                     "Firmware data: %08x %08x %08x %08x.\n",
5063                     dcode[0], dcode[1], dcode[2], dcode[3]);
5064
5065                 return QLA_FUNCTION_FAILED;
5066         }
5067
5068         while (segments && rval == QLA_SUCCESS) {
5069                 /* Read segment's load information. */
5070                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5071
5072                 risc_addr = be32_to_cpu(dcode[2]);
5073                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5074                 risc_size = be32_to_cpu(dcode[3]);
5075
5076                 fragment = 0;
5077                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5078                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5079                         if (dlen > risc_size)
5080                                 dlen = risc_size;
5081
5082                         ql_dbg(ql_dbg_init, vha, 0x008e,
5083                             "Loading risc segment@ risc addr %x "
5084                             "number of dwords 0x%x offset 0x%x.\n",
5085                             risc_addr, dlen, faddr);
5086
5087                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5088                         for (i = 0; i < dlen; i++)
5089                                 dcode[i] = swab32(dcode[i]);
5090
5091                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5092                             dlen);
5093                         if (rval) {
5094                                 ql_log(ql_log_fatal, vha, 0x008f,
5095                                     "Failed to load segment %d of firmware.\n",
5096                                     fragment);
5097                                 break;
5098                         }
5099
5100                         faddr += dlen;
5101                         risc_addr += dlen;
5102                         risc_size -= dlen;
5103                         fragment++;
5104                 }
5105
5106                 /* Next segment. */
5107                 segments--;
5108         }
5109
5110         return rval;
5111 }
5112
5113 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5114
5115 int
5116 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5117 {
5118         int     rval;
5119         int     i, fragment;
5120         uint16_t *wcode, *fwcode;
5121         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5122         struct fw_blob *blob;
5123         struct qla_hw_data *ha = vha->hw;
5124         struct req_que *req = ha->req_q_map[0];
5125
5126         /* Load firmware blob. */
5127         blob = qla2x00_request_firmware(vha);
5128         if (!blob) {
5129                 ql_log(ql_log_info, vha, 0x0083,
5130                     "Fimware image unavailable.\n");
5131                 ql_log(ql_log_info, vha, 0x0084,
5132                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5133                 return QLA_FUNCTION_FAILED;
5134         }
5135
5136         rval = QLA_SUCCESS;
5137
5138         wcode = (uint16_t *)req->ring;
5139         *srisc_addr = 0;
5140         fwcode = (uint16_t *)blob->fw->data;
5141         fwclen = 0;
5142
5143         /* Validate firmware image by checking version. */
5144         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5145                 ql_log(ql_log_fatal, vha, 0x0085,
5146                     "Unable to verify integrity of firmware image (%Zd).\n",
5147                     blob->fw->size);
5148                 goto fail_fw_integrity;
5149         }
5150         for (i = 0; i < 4; i++)
5151                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5152         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5153             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5154                 wcode[2] == 0 && wcode[3] == 0)) {
5155                 ql_log(ql_log_fatal, vha, 0x0086,
5156                     "Unable to verify integrity of firmware image.\n");
5157                 ql_log(ql_log_fatal, vha, 0x0087,
5158                     "Firmware data: %04x %04x %04x %04x.\n",
5159                     wcode[0], wcode[1], wcode[2], wcode[3]);
5160                 goto fail_fw_integrity;
5161         }
5162
5163         seg = blob->segs;
5164         while (*seg && rval == QLA_SUCCESS) {
5165                 risc_addr = *seg;
5166                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5167                 risc_size = be16_to_cpu(fwcode[3]);
5168
5169                 /* Validate firmware image size. */
5170                 fwclen += risc_size * sizeof(uint16_t);
5171                 if (blob->fw->size < fwclen) {
5172                         ql_log(ql_log_fatal, vha, 0x0088,
5173                             "Unable to verify integrity of firmware image "
5174                             "(%Zd).\n", blob->fw->size);
5175                         goto fail_fw_integrity;
5176                 }
5177
5178                 fragment = 0;
5179                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5180                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5181                         if (wlen > risc_size)
5182                                 wlen = risc_size;
5183                         ql_dbg(ql_dbg_init, vha, 0x0089,
5184                             "Loading risc segment@ risc addr %x number of "
5185                             "words 0x%x.\n", risc_addr, wlen);
5186
5187                         for (i = 0; i < wlen; i++)
5188                                 wcode[i] = swab16(fwcode[i]);
5189
5190                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5191                             wlen);
5192                         if (rval) {
5193                                 ql_log(ql_log_fatal, vha, 0x008a,
5194                                     "Failed to load segment %d of firmware.\n",
5195                                     fragment);
5196                                 break;
5197                         }
5198
5199                         fwcode += wlen;
5200                         risc_addr += wlen;
5201                         risc_size -= wlen;
5202                         fragment++;
5203                 }
5204
5205                 /* Next segment. */
5206                 seg++;
5207         }
5208         return rval;
5209
5210 fail_fw_integrity:
5211         return QLA_FUNCTION_FAILED;
5212 }
5213
5214 static int
5215 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5216 {
5217         int     rval;
5218         int     segments, fragment;
5219         uint32_t *dcode, dlen;
5220         uint32_t risc_addr;
5221         uint32_t risc_size;
5222         uint32_t i;
5223         struct fw_blob *blob;
5224         uint32_t *fwcode, fwclen;
5225         struct qla_hw_data *ha = vha->hw;
5226         struct req_que *req = ha->req_q_map[0];
5227
5228         /* Load firmware blob. */
5229         blob = qla2x00_request_firmware(vha);
5230         if (!blob) {
5231                 ql_log(ql_log_warn, vha, 0x0090,
5232                     "Fimware image unavailable.\n");
5233                 ql_log(ql_log_warn, vha, 0x0091,
5234                     "Firmware images can be retrieved from: "
5235                     QLA_FW_URL ".\n");
5236
5237                 return QLA_FUNCTION_FAILED;
5238         }
5239
5240         ql_dbg(ql_dbg_init, vha, 0x0092,
5241             "FW: Loading via request-firmware.\n");
5242
5243         rval = QLA_SUCCESS;
5244
5245         segments = FA_RISC_CODE_SEGMENTS;
5246         dcode = (uint32_t *)req->ring;
5247         *srisc_addr = 0;
5248         fwcode = (uint32_t *)blob->fw->data;
5249         fwclen = 0;
5250
5251         /* Validate firmware image by checking version. */
5252         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5253                 ql_log(ql_log_fatal, vha, 0x0093,
5254                     "Unable to verify integrity of firmware image (%Zd).\n",
5255                     blob->fw->size);
5256                 goto fail_fw_integrity;
5257         }
5258         for (i = 0; i < 4; i++)
5259                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5260         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5261             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5262             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5263                 dcode[3] == 0)) {
5264                 ql_log(ql_log_fatal, vha, 0x0094,
5265                     "Unable to verify integrity of firmware image (%Zd).\n",
5266                     blob->fw->size);
5267                 ql_log(ql_log_fatal, vha, 0x0095,
5268                     "Firmware data: %08x %08x %08x %08x.\n",
5269                     dcode[0], dcode[1], dcode[2], dcode[3]);
5270                 goto fail_fw_integrity;
5271         }
5272
5273         while (segments && rval == QLA_SUCCESS) {
5274                 risc_addr = be32_to_cpu(fwcode[2]);
5275                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5276                 risc_size = be32_to_cpu(fwcode[3]);
5277
5278                 /* Validate firmware image size. */
5279                 fwclen += risc_size * sizeof(uint32_t);
5280                 if (blob->fw->size < fwclen) {
5281                         ql_log(ql_log_fatal, vha, 0x0096,
5282                             "Unable to verify integrity of firmware image "
5283                             "(%Zd).\n", blob->fw->size);
5284
5285                         goto fail_fw_integrity;
5286                 }
5287
5288                 fragment = 0;
5289                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5290                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5291                         if (dlen > risc_size)
5292                                 dlen = risc_size;
5293
5294                         ql_dbg(ql_dbg_init, vha, 0x0097,
5295                             "Loading risc segment@ risc addr %x "
5296                             "number of dwords 0x%x.\n", risc_addr, dlen);
5297
5298                         for (i = 0; i < dlen; i++)
5299                                 dcode[i] = swab32(fwcode[i]);
5300
5301                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5302                             dlen);
5303                         if (rval) {
5304                                 ql_log(ql_log_fatal, vha, 0x0098,
5305                                     "Failed to load segment %d of firmware.\n",
5306                                     fragment);
5307                                 break;
5308                         }
5309
5310                         fwcode += dlen;
5311                         risc_addr += dlen;
5312                         risc_size -= dlen;
5313                         fragment++;
5314                 }
5315
5316                 /* Next segment. */
5317                 segments--;
5318         }
5319         return rval;
5320
5321 fail_fw_integrity:
5322         return QLA_FUNCTION_FAILED;
5323 }
5324
5325 int
5326 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5327 {
5328         int rval;
5329
5330         if (ql2xfwloadbin == 1)
5331                 return qla81xx_load_risc(vha, srisc_addr);
5332
5333         /*
5334          * FW Load priority:
5335          * 1) Firmware via request-firmware interface (.bin file).
5336          * 2) Firmware residing in flash.
5337          */
5338         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5339         if (rval == QLA_SUCCESS)
5340                 return rval;
5341
5342         return qla24xx_load_risc_flash(vha, srisc_addr,
5343             vha->hw->flt_region_fw);
5344 }
5345
5346 int
5347 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5348 {
5349         int rval;
5350         struct qla_hw_data *ha = vha->hw;
5351
5352         if (ql2xfwloadbin == 2)
5353                 goto try_blob_fw;
5354
5355         /*
5356          * FW Load priority:
5357          * 1) Firmware residing in flash.
5358          * 2) Firmware via request-firmware interface (.bin file).
5359          * 3) Golden-Firmware residing in flash -- limited operation.
5360          */
5361         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5362         if (rval == QLA_SUCCESS)
5363                 return rval;
5364
5365 try_blob_fw:
5366         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5367         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5368                 return rval;
5369
5370         ql_log(ql_log_info, vha, 0x0099,
5371             "Attempting to fallback to golden firmware.\n");
5372         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5373         if (rval != QLA_SUCCESS)
5374                 return rval;
5375
5376         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5377         ha->flags.running_gold_fw = 1;
5378         return rval;
5379 }
5380
5381 void
5382 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5383 {
5384         int ret, retries;
5385         struct qla_hw_data *ha = vha->hw;
5386
5387         if (ha->flags.pci_channel_io_perm_failure)
5388                 return;
5389         if (!IS_FWI2_CAPABLE(ha))
5390                 return;
5391         if (!ha->fw_major_version)
5392                 return;
5393
5394         ret = qla2x00_stop_firmware(vha);
5395         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5396             ret != QLA_INVALID_COMMAND && retries ; retries--) {
5397                 ha->isp_ops->reset_chip(vha);
5398                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5399                         continue;
5400                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5401                         continue;
5402                 ql_log(ql_log_info, vha, 0x8015,
5403                     "Attempting retry of stop-firmware command.\n");
5404                 ret = qla2x00_stop_firmware(vha);
5405         }
5406 }
5407
5408 int
5409 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5410 {
5411         int rval = QLA_SUCCESS;
5412         int rval2;
5413         uint16_t mb[MAILBOX_REGISTER_COUNT];
5414         struct qla_hw_data *ha = vha->hw;
5415         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5416         struct req_que *req;
5417         struct rsp_que *rsp;
5418
5419         if (!vha->vp_idx)
5420                 return -EINVAL;
5421
5422         rval = qla2x00_fw_ready(base_vha);
5423         if (ha->flags.cpu_affinity_enabled)
5424                 req = ha->req_q_map[0];
5425         else
5426                 req = vha->req;
5427         rsp = req->rsp;
5428
5429         if (rval == QLA_SUCCESS) {
5430                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5431                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5432         }
5433
5434         vha->flags.management_server_logged_in = 0;
5435
5436         /* Login to SNS first */
5437         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5438             BIT_1);
5439         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5440                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5441                         ql_dbg(ql_dbg_init, vha, 0x0120,
5442                             "Failed SNS login: loop_id=%x, rval2=%d\n",
5443                             NPH_SNS, rval2);
5444                 else
5445                         ql_dbg(ql_dbg_init, vha, 0x0103,
5446                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5447                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5448                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5449                 return (QLA_FUNCTION_FAILED);
5450         }
5451
5452         atomic_set(&vha->loop_down_timer, 0);
5453         atomic_set(&vha->loop_state, LOOP_UP);
5454         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5455         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5456         rval = qla2x00_loop_resync(base_vha);
5457
5458         return rval;
5459 }
5460
5461 /* 84XX Support **************************************************************/
5462
5463 static LIST_HEAD(qla_cs84xx_list);
5464 static DEFINE_MUTEX(qla_cs84xx_mutex);
5465
5466 static struct qla_chip_state_84xx *
5467 qla84xx_get_chip(struct scsi_qla_host *vha)
5468 {
5469         struct qla_chip_state_84xx *cs84xx;
5470         struct qla_hw_data *ha = vha->hw;
5471
5472         mutex_lock(&qla_cs84xx_mutex);
5473
5474         /* Find any shared 84xx chip. */
5475         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5476                 if (cs84xx->bus == ha->pdev->bus) {
5477                         kref_get(&cs84xx->kref);
5478                         goto done;
5479                 }
5480         }
5481
5482         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5483         if (!cs84xx)
5484                 goto done;
5485
5486         kref_init(&cs84xx->kref);
5487         spin_lock_init(&cs84xx->access_lock);
5488         mutex_init(&cs84xx->fw_update_mutex);
5489         cs84xx->bus = ha->pdev->bus;
5490
5491         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5492 done:
5493         mutex_unlock(&qla_cs84xx_mutex);
5494         return cs84xx;
5495 }
5496
5497 static void
5498 __qla84xx_chip_release(struct kref *kref)
5499 {
5500         struct qla_chip_state_84xx *cs84xx =
5501             container_of(kref, struct qla_chip_state_84xx, kref);
5502
5503         mutex_lock(&qla_cs84xx_mutex);
5504         list_del(&cs84xx->list);
5505         mutex_unlock(&qla_cs84xx_mutex);
5506         kfree(cs84xx);
5507 }
5508
5509 void
5510 qla84xx_put_chip(struct scsi_qla_host *vha)
5511 {
5512         struct qla_hw_data *ha = vha->hw;
5513         if (ha->cs84xx)
5514                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5515 }
5516
5517 static int
5518 qla84xx_init_chip(scsi_qla_host_t *vha)
5519 {
5520         int rval;
5521         uint16_t status[2];
5522         struct qla_hw_data *ha = vha->hw;
5523
5524         mutex_lock(&ha->cs84xx->fw_update_mutex);
5525
5526         rval = qla84xx_verify_chip(vha, status);
5527
5528         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5529
5530         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5531             QLA_SUCCESS;
5532 }
5533
5534 /* 81XX Support **************************************************************/
5535
5536 int
5537 qla81xx_nvram_config(scsi_qla_host_t *vha)
5538 {
5539         int   rval;
5540         struct init_cb_81xx *icb;
5541         struct nvram_81xx *nv;
5542         uint32_t *dptr;
5543         uint8_t  *dptr1, *dptr2;
5544         uint32_t chksum;
5545         uint16_t cnt;
5546         struct qla_hw_data *ha = vha->hw;
5547
5548         rval = QLA_SUCCESS;
5549         icb = (struct init_cb_81xx *)ha->init_cb;
5550         nv = ha->nvram;
5551
5552         /* Determine NVRAM starting address. */
5553         ha->nvram_size = sizeof(struct nvram_81xx);
5554         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5555
5556         /* Get VPD data into cache */
5557         ha->vpd = ha->nvram + VPD_OFFSET;
5558         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5559             ha->vpd_size);
5560
5561         /* Get NVRAM data into cache and calculate checksum. */
5562         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5563             ha->nvram_size);
5564         dptr = (uint32_t *)nv;
5565         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5566                 chksum += le32_to_cpu(*dptr++);
5567
5568         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5569             "Contents of NVRAM:\n");
5570         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5571             (uint8_t *)nv, ha->nvram_size);
5572
5573         /* Bad NVRAM data, set defaults parameters. */
5574         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5575             || nv->id[3] != ' ' ||
5576             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5577                 /* Reset NVRAM data. */
5578                 ql_log(ql_log_info, vha, 0x0073,
5579                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5580                     "version=0x%x.\n", chksum, nv->id[0],
5581                     le16_to_cpu(nv->nvram_version));
5582                 ql_log(ql_log_info, vha, 0x0074,
5583                     "Falling back to functioning (yet invalid -- WWPN) "
5584                     "defaults.\n");
5585
5586                 /*
5587                  * Set default initialization control block.
5588                  */
5589                 memset(nv, 0, ha->nvram_size);
5590                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5591                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5592                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5593                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5594                 nv->exchange_count = __constant_cpu_to_le16(0);
5595                 nv->port_name[0] = 0x21;
5596                 nv->port_name[1] = 0x00 + ha->port_no;
5597                 nv->port_name[2] = 0x00;
5598                 nv->port_name[3] = 0xe0;
5599                 nv->port_name[4] = 0x8b;
5600                 nv->port_name[5] = 0x1c;
5601                 nv->port_name[6] = 0x55;
5602                 nv->port_name[7] = 0x86;
5603                 nv->node_name[0] = 0x20;
5604                 nv->node_name[1] = 0x00;
5605                 nv->node_name[2] = 0x00;
5606                 nv->node_name[3] = 0xe0;
5607                 nv->node_name[4] = 0x8b;
5608                 nv->node_name[5] = 0x1c;
5609                 nv->node_name[6] = 0x55;
5610                 nv->node_name[7] = 0x86;
5611                 nv->login_retry_count = __constant_cpu_to_le16(8);
5612                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5613                 nv->login_timeout = __constant_cpu_to_le16(0);
5614                 nv->firmware_options_1 =
5615                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5616                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5617                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5618                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5619                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5620                 nv->efi_parameters = __constant_cpu_to_le32(0);
5621                 nv->reset_delay = 5;
5622                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5623                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5624                 nv->link_down_timeout = __constant_cpu_to_le16(180);
5625                 nv->enode_mac[0] = 0x00;
5626                 nv->enode_mac[1] = 0xC0;
5627                 nv->enode_mac[2] = 0xDD;
5628                 nv->enode_mac[3] = 0x04;
5629                 nv->enode_mac[4] = 0x05;
5630                 nv->enode_mac[5] = 0x06 + ha->port_no;
5631
5632                 rval = 1;
5633         }
5634
5635         if (IS_T10_PI_CAPABLE(ha))
5636                 nv->frame_payload_size &= ~7;
5637
5638         qlt_81xx_config_nvram_stage1(vha, nv);
5639
5640         /* Reset Initialization control block */
5641         memset(icb, 0, ha->init_cb_size);
5642
5643         /* Copy 1st segment. */
5644         dptr1 = (uint8_t *)icb;
5645         dptr2 = (uint8_t *)&nv->version;
5646         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5647         while (cnt--)
5648                 *dptr1++ = *dptr2++;
5649
5650         icb->login_retry_count = nv->login_retry_count;
5651
5652         /* Copy 2nd segment. */
5653         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5654         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5655         cnt = (uint8_t *)&icb->reserved_5 -
5656             (uint8_t *)&icb->interrupt_delay_timer;
5657         while (cnt--)
5658                 *dptr1++ = *dptr2++;
5659
5660         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5661         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5662         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5663                 icb->enode_mac[0] = 0x00;
5664                 icb->enode_mac[1] = 0xC0;
5665                 icb->enode_mac[2] = 0xDD;
5666                 icb->enode_mac[3] = 0x04;
5667                 icb->enode_mac[4] = 0x05;
5668                 icb->enode_mac[5] = 0x06 + ha->port_no;
5669         }
5670
5671         /* Use extended-initialization control block. */
5672         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5673
5674         /*
5675          * Setup driver NVRAM options.
5676          */
5677         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5678             "QLE8XXX");
5679
5680         qlt_81xx_config_nvram_stage2(vha, icb);
5681
5682         /* Use alternate WWN? */
5683         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5684                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5685                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5686         }
5687
5688         /* Prepare nodename */
5689         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5690                 /*
5691                  * Firmware will apply the following mask if the nodename was
5692                  * not provided.
5693                  */
5694                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5695                 icb->node_name[0] &= 0xF0;
5696         }
5697
5698         /* Set host adapter parameters. */
5699         ha->flags.disable_risc_code_load = 0;
5700         ha->flags.enable_lip_reset = 0;
5701         ha->flags.enable_lip_full_login =
5702             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5703         ha->flags.enable_target_reset =
5704             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5705         ha->flags.enable_led_scheme = 0;
5706         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5707
5708         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5709             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5710
5711         /* save HBA serial number */
5712         ha->serial0 = icb->port_name[5];
5713         ha->serial1 = icb->port_name[6];
5714         ha->serial2 = icb->port_name[7];
5715         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5716         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5717
5718         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5719
5720         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5721
5722         /* Set minimum login_timeout to 4 seconds. */
5723         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5724                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5725         if (le16_to_cpu(nv->login_timeout) < 4)
5726                 nv->login_timeout = __constant_cpu_to_le16(4);
5727         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5728         icb->login_timeout = nv->login_timeout;
5729
5730         /* Set minimum RATOV to 100 tenths of a second. */
5731         ha->r_a_tov = 100;
5732
5733         ha->loop_reset_delay = nv->reset_delay;
5734
5735         /* Link Down Timeout = 0:
5736          *
5737          *      When Port Down timer expires we will start returning
5738          *      I/O's to OS with "DID_NO_CONNECT".
5739          *
5740          * Link Down Timeout != 0:
5741          *
5742          *       The driver waits for the link to come up after link down
5743          *       before returning I/Os to OS with "DID_NO_CONNECT".
5744          */
5745         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5746                 ha->loop_down_abort_time =
5747                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5748         } else {
5749                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5750                 ha->loop_down_abort_time =
5751                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5752         }
5753
5754         /* Need enough time to try and get the port back. */
5755         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5756         if (qlport_down_retry)
5757                 ha->port_down_retry_count = qlport_down_retry;
5758
5759         /* Set login_retry_count */
5760         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5761         if (ha->port_down_retry_count ==
5762             le16_to_cpu(nv->port_down_retry_count) &&
5763             ha->port_down_retry_count > 3)
5764                 ha->login_retry_count = ha->port_down_retry_count;
5765         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5766                 ha->login_retry_count = ha->port_down_retry_count;
5767         if (ql2xloginretrycount)
5768                 ha->login_retry_count = ql2xloginretrycount;
5769
5770         /* if not running MSI-X we need handshaking on interrupts */
5771         if (!vha->hw->flags.msix_enabled && IS_QLA83XX(ha))
5772                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22);
5773
5774         /* Enable ZIO. */
5775         if (!vha->flags.init_done) {
5776                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5777                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5778                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5779                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5780         }
5781         icb->firmware_options_2 &= __constant_cpu_to_le32(
5782             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5783         vha->flags.process_response_queue = 0;
5784         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5785                 ha->zio_mode = QLA_ZIO_MODE_6;
5786
5787                 ql_log(ql_log_info, vha, 0x0075,
5788                     "ZIO mode %d enabled; timer delay (%d us).\n",
5789                     ha->zio_mode,
5790                     ha->zio_timer * 100);
5791
5792                 icb->firmware_options_2 |= cpu_to_le32(
5793                     (uint32_t)ha->zio_mode);
5794                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5795                 vha->flags.process_response_queue = 1;
5796         }
5797
5798         if (rval) {
5799                 ql_log(ql_log_warn, vha, 0x0076,
5800                     "NVRAM configuration failed.\n");
5801         }
5802         return (rval);
5803 }
5804
5805 int
5806 qla82xx_restart_isp(scsi_qla_host_t *vha)
5807 {
5808         int status, rval;
5809         uint32_t wait_time;
5810         struct qla_hw_data *ha = vha->hw;
5811         struct req_que *req = ha->req_q_map[0];
5812         struct rsp_que *rsp = ha->rsp_q_map[0];
5813         struct scsi_qla_host *vp;
5814         unsigned long flags;
5815
5816         status = qla2x00_init_rings(vha);
5817         if (!status) {
5818                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5819                 ha->flags.chip_reset_done = 1;
5820
5821                 status = qla2x00_fw_ready(vha);
5822                 if (!status) {
5823                         ql_log(ql_log_info, vha, 0x803c,
5824                             "Start configure loop, status =%d.\n", status);
5825
5826                         /* Issue a marker after FW becomes ready. */
5827                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5828
5829                         vha->flags.online = 1;
5830                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5831                         wait_time = 256;
5832                         do {
5833                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5834                                 qla2x00_configure_loop(vha);
5835                                 wait_time--;
5836                         } while (!atomic_read(&vha->loop_down_timer) &&
5837                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5838                             wait_time &&
5839                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5840                 }
5841
5842                 /* if no cable then assume it's good */
5843                 if ((vha->device_flags & DFLG_NO_CABLE))
5844                         status = 0;
5845
5846                 ql_log(ql_log_info, vha, 0x8000,
5847                     "Configure loop done, status = 0x%x.\n", status);
5848         }
5849
5850         if (!status) {
5851                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5852
5853                 if (!atomic_read(&vha->loop_down_timer)) {
5854                         /*
5855                          * Issue marker command only when we are going
5856                          * to start the I/O .
5857                          */
5858                         vha->marker_needed = 1;
5859                 }
5860
5861                 vha->flags.online = 1;
5862
5863                 ha->isp_ops->enable_intrs(ha);
5864
5865                 ha->isp_abort_cnt = 0;
5866                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5867
5868                 /* Update the firmware version */
5869                 status = qla82xx_check_md_needed(vha);
5870
5871                 if (ha->fce) {
5872                         ha->flags.fce_enabled = 1;
5873                         memset(ha->fce, 0,
5874                             fce_calc_size(ha->fce_bufs));
5875                         rval = qla2x00_enable_fce_trace(vha,
5876                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5877                             &ha->fce_bufs);
5878                         if (rval) {
5879                                 ql_log(ql_log_warn, vha, 0x8001,
5880                                     "Unable to reinitialize FCE (%d).\n",
5881                                     rval);
5882                                 ha->flags.fce_enabled = 0;
5883                         }
5884                 }
5885
5886                 if (ha->eft) {
5887                         memset(ha->eft, 0, EFT_SIZE);
5888                         rval = qla2x00_enable_eft_trace(vha,
5889                             ha->eft_dma, EFT_NUM_BUFFERS);
5890                         if (rval) {
5891                                 ql_log(ql_log_warn, vha, 0x8010,
5892                                     "Unable to reinitialize EFT (%d).\n",
5893                                     rval);
5894                         }
5895                 }
5896         }
5897
5898         if (!status) {
5899                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
5900                     "qla82xx_restart_isp succeeded.\n");
5901
5902                 spin_lock_irqsave(&ha->vport_slock, flags);
5903                 list_for_each_entry(vp, &ha->vp_list, list) {
5904                         if (vp->vp_idx) {
5905                                 atomic_inc(&vp->vref_count);
5906                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5907
5908                                 qla2x00_vp_abort_isp(vp);
5909
5910                                 spin_lock_irqsave(&ha->vport_slock, flags);
5911                                 atomic_dec(&vp->vref_count);
5912                         }
5913                 }
5914                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5915
5916         } else {
5917                 ql_log(ql_log_warn, vha, 0x8016,
5918                     "qla82xx_restart_isp **** FAILED ****.\n");
5919         }
5920
5921         return status;
5922 }
5923
5924 void
5925 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5926 {
5927         struct qla_hw_data *ha = vha->hw;
5928
5929         if (!ql2xetsenable)
5930                 return;
5931
5932         /* Enable ETS Burst. */
5933         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5934         ha->fw_options[2] |= BIT_9;
5935         qla2x00_set_fw_options(vha, ha->fw_options);
5936 }
5937
5938 /*
5939  * qla24xx_get_fcp_prio
5940  *      Gets the fcp cmd priority value for the logged in port.
5941  *      Looks for a match of the port descriptors within
5942  *      each of the fcp prio config entries. If a match is found,
5943  *      the tag (priority) value is returned.
5944  *
5945  * Input:
5946  *      vha = scsi host structure pointer.
5947  *      fcport = port structure pointer.
5948  *
5949  * Return:
5950  *      non-zero (if found)
5951  *      -1 (if not found)
5952  *
5953  * Context:
5954  *      Kernel context
5955  */
5956 static int
5957 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5958 {
5959         int i, entries;
5960         uint8_t pid_match, wwn_match;
5961         int priority;
5962         uint32_t pid1, pid2;
5963         uint64_t wwn1, wwn2;
5964         struct qla_fcp_prio_entry *pri_entry;
5965         struct qla_hw_data *ha = vha->hw;
5966
5967         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5968                 return -1;
5969
5970         priority = -1;
5971         entries = ha->fcp_prio_cfg->num_entries;
5972         pri_entry = &ha->fcp_prio_cfg->entry[0];
5973
5974         for (i = 0; i < entries; i++) {
5975                 pid_match = wwn_match = 0;
5976
5977                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5978                         pri_entry++;
5979                         continue;
5980                 }
5981
5982                 /* check source pid for a match */
5983                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5984                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5985                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5986                         if (pid1 == INVALID_PORT_ID)
5987                                 pid_match++;
5988                         else if (pid1 == pid2)
5989                                 pid_match++;
5990                 }
5991
5992                 /* check destination pid for a match */
5993                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5994                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5995                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5996                         if (pid1 == INVALID_PORT_ID)
5997                                 pid_match++;
5998                         else if (pid1 == pid2)
5999                                 pid_match++;
6000                 }
6001
6002                 /* check source WWN for a match */
6003                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6004                         wwn1 = wwn_to_u64(vha->port_name);
6005                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6006                         if (wwn2 == (uint64_t)-1)
6007                                 wwn_match++;
6008                         else if (wwn1 == wwn2)
6009                                 wwn_match++;
6010                 }
6011
6012                 /* check destination WWN for a match */
6013                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6014                         wwn1 = wwn_to_u64(fcport->port_name);
6015                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6016                         if (wwn2 == (uint64_t)-1)
6017                                 wwn_match++;
6018                         else if (wwn1 == wwn2)
6019                                 wwn_match++;
6020                 }
6021
6022                 if (pid_match == 2 || wwn_match == 2) {
6023                         /* Found a matching entry */
6024                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6025                                 priority = pri_entry->tag;
6026                         break;
6027                 }
6028
6029                 pri_entry++;
6030         }
6031
6032         return priority;
6033 }
6034
6035 /*
6036  * qla24xx_update_fcport_fcp_prio
6037  *      Activates fcp priority for the logged in fc port
6038  *
6039  * Input:
6040  *      vha = scsi host structure pointer.
6041  *      fcp = port structure pointer.
6042  *
6043  * Return:
6044  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6045  *
6046  * Context:
6047  *      Kernel context.
6048  */
6049 int
6050 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6051 {
6052         int ret;
6053         int priority;
6054         uint16_t mb[5];
6055
6056         if (fcport->port_type != FCT_TARGET ||
6057             fcport->loop_id == FC_NO_LOOP_ID)
6058                 return QLA_FUNCTION_FAILED;
6059
6060         priority = qla24xx_get_fcp_prio(vha, fcport);
6061         if (priority < 0)
6062                 return QLA_FUNCTION_FAILED;
6063
6064         if (IS_QLA82XX(vha->hw)) {
6065                 fcport->fcp_prio = priority & 0xf;
6066                 return QLA_SUCCESS;
6067         }
6068
6069         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6070         if (ret == QLA_SUCCESS) {
6071                 if (fcport->fcp_prio != priority)
6072                         ql_dbg(ql_dbg_user, vha, 0x709e,
6073                             "Updated FCP_CMND priority - value=%d loop_id=%d "
6074                             "port_id=%02x%02x%02x.\n", priority,
6075                             fcport->loop_id, fcport->d_id.b.domain,
6076                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6077                 fcport->fcp_prio = priority & 0xf;
6078         } else
6079                 ql_dbg(ql_dbg_user, vha, 0x704f,
6080                     "Unable to update FCP_CMND priority - ret=0x%x for "
6081                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6082                     fcport->d_id.b.domain, fcport->d_id.b.area,
6083                     fcport->d_id.b.al_pa);
6084         return  ret;
6085 }
6086
6087 /*
6088  * qla24xx_update_all_fcp_prio
6089  *      Activates fcp priority for all the logged in ports
6090  *
6091  * Input:
6092  *      ha = adapter block pointer.
6093  *
6094  * Return:
6095  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6096  *
6097  * Context:
6098  *      Kernel context.
6099  */
6100 int
6101 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6102 {
6103         int ret;
6104         fc_port_t *fcport;
6105
6106         ret = QLA_FUNCTION_FAILED;
6107         /* We need to set priority for all logged in ports */
6108         list_for_each_entry(fcport, &vha->vp_fcports, list)
6109                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6110
6111         return ret;
6112 }