drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2014 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         } else if (sp->type == SRB_LOGOUT_CMD) {
 119                 qlt_logo_completion_handler(fcport, QLA_FUNCTION_TIMEOUT);
 120         }
 121 }
 122
 123 static void
 124 qla2x00_async_login_sp_done(void *data, void *ptr, int res)
 125 {
 126         srb_t *sp = (srb_t *)ptr;
 127         struct srb_iocb *lio = &sp->u.iocb_cmd;
 128         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 129
 130         if (!test_bit(UNLOADING, &vha->dpc_flags))
 131                 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
 132                     lio->u.logio.data);
 133         sp->free(sp->fcport->vha, sp);
 134 }
 135
 136 int
 137 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 138     uint16_t *data)
 139 {
 140         srb_t *sp;
 141         struct srb_iocb *lio;
 142         int rval;
 143
 144         rval = QLA_FUNCTION_FAILED;
 145         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 146         if (!sp)
 147                 goto done;
 148
 149         sp->type = SRB_LOGIN_CMD;
 150         sp->name = "login";
 151         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 152
 153         lio = &sp->u.iocb_cmd;
 154         lio->timeout = qla2x00_async_iocb_timeout;
 155         sp->done = qla2x00_async_login_sp_done;
 156         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 157         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 158                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 159         rval = qla2x00_start_sp(sp);
 160         if (rval != QLA_SUCCESS) {
 161                 fcport->flags &= ~FCF_ASYNC_SENT;
 162                 fcport->flags |= FCF_LOGIN_NEEDED;
 163                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 164                 goto done_free_sp;
 165         }
 166
 167         ql_dbg(ql_dbg_disc, vha, 0x2072,
 168             "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
 169             "retries=%d.\n", sp->handle, fcport->loop_id,
 170             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 171             fcport->login_retry);
 172         return rval;
 173
 174 done_free_sp:
 175         sp->free(fcport->vha, sp);
 176 done:
 177         return rval;
 178 }
 179
 180 static void
 181 qla2x00_async_logout_sp_done(void *data, void *ptr, int res)
 182 {
 183         srb_t *sp = (srb_t *)ptr;
 184         struct srb_iocb *lio = &sp->u.iocb_cmd;
 185         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 186
 187         if (!test_bit(UNLOADING, &vha->dpc_flags))
 188                 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
 189                     lio->u.logio.data);
 190         sp->free(sp->fcport->vha, sp);
 191 }
 192
 193 int
 194 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 195 {
 196         srb_t *sp;
 197         struct srb_iocb *lio;
 198         int rval;
 199
 200         rval = QLA_FUNCTION_FAILED;
 201         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 202         if (!sp)
 203                 goto done;
 204
 205         sp->type = SRB_LOGOUT_CMD;
 206         sp->name = "logout";
 207         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 208
 209         lio = &sp->u.iocb_cmd;
 210         lio->timeout = qla2x00_async_iocb_timeout;
 211         sp->done = qla2x00_async_logout_sp_done;
 212         rval = qla2x00_start_sp(sp);
 213         if (rval != QLA_SUCCESS)
 214                 goto done_free_sp;
 215
 216         ql_dbg(ql_dbg_disc, vha, 0x2070,
 217             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 218             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 219             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 220         return rval;
 221
 222 done_free_sp:
 223         sp->free(fcport->vha, sp);
 224 done:
 225         return rval;
 226 }
 227
 228 static void
 229 qla2x00_async_adisc_sp_done(void *data, void *ptr, int res)
 230 {
 231         srb_t *sp = (srb_t *)ptr;
 232         struct srb_iocb *lio = &sp->u.iocb_cmd;
 233         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 234
 235         if (!test_bit(UNLOADING, &vha->dpc_flags))
 236                 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
 237                     lio->u.logio.data);
 238         sp->free(sp->fcport->vha, sp);
 239 }
 240
 241 int
 242 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 243     uint16_t *data)
 244 {
 245         srb_t *sp;
 246         struct srb_iocb *lio;
 247         int rval;
 248
 249         rval = QLA_FUNCTION_FAILED;
 250         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 251         if (!sp)
 252                 goto done;
 253
 254         sp->type = SRB_ADISC_CMD;
 255         sp->name = "adisc";
 256         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 257
 258         lio = &sp->u.iocb_cmd;
 259         lio->timeout = qla2x00_async_iocb_timeout;
 260         sp->done = qla2x00_async_adisc_sp_done;
 261         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 262                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 263         rval = qla2x00_start_sp(sp);
 264         if (rval != QLA_SUCCESS)
 265                 goto done_free_sp;
 266
 267         ql_dbg(ql_dbg_disc, vha, 0x206f,
 268             "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
 269             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 270             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 271         return rval;
 272
 273 done_free_sp:
 274         sp->free(fcport->vha, sp);
 275 done:
 276         return rval;
 277 }
 278
 279 static void
 280 qla2x00_tmf_iocb_timeout(void *data)
 281 {
 282         srb_t *sp = (srb_t *)data;
 283         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 284
 285         tmf->u.tmf.comp_status = CS_TIMEOUT;
 286         complete(&tmf->u.tmf.comp);
 287 }
 288
 289 static void
 290 qla2x00_tmf_sp_done(void *data, void *ptr, int res)
 291 {
 292         srb_t *sp = (srb_t *)ptr;
 293         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 294         complete(&tmf->u.tmf.comp);
 295 }
 296
 297 int
 298 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
 299         uint32_t tag)
 300 {
 301         struct scsi_qla_host *vha = fcport->vha;
 302         struct srb_iocb *tm_iocb;
 303         srb_t *sp;
 304         int rval = QLA_FUNCTION_FAILED;
 305
 306         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 307         if (!sp)
 308                 goto done;
 309
 310         tm_iocb = &sp->u.iocb_cmd;
 311         sp->type = SRB_TM_CMD;
 312         sp->name = "tmf";
 313         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
 314         tm_iocb->u.tmf.flags = flags;
 315         tm_iocb->u.tmf.lun = lun;
 316         tm_iocb->u.tmf.data = tag;
 317         sp->done = qla2x00_tmf_sp_done;
 318         tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
 319         init_completion(&tm_iocb->u.tmf.comp);
 320
 321         rval = qla2x00_start_sp(sp);
 322         if (rval != QLA_SUCCESS)
 323                 goto done_free_sp;
 324
 325         ql_dbg(ql_dbg_taskm, vha, 0x802f,
 326             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 327             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 328             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 329
 330         wait_for_completion(&tm_iocb->u.tmf.comp);
 331
 332         rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
 333             QLA_SUCCESS : QLA_FUNCTION_FAILED;
 334
 335         if ((rval != QLA_SUCCESS) || tm_iocb->u.tmf.data) {
 336                 ql_dbg(ql_dbg_taskm, vha, 0x8030,
 337                     "TM IOCB failed (%x).\n", rval);
 338         }
 339
 340         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
 341                 flags = tm_iocb->u.tmf.flags;
 342                 lun = (uint16_t)tm_iocb->u.tmf.lun;
 343
 344                 /* Issue Marker IOCB */
 345                 qla2x00_marker(vha, vha->hw->req_q_map[0],
 346                     vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
 347                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
 348         }
 349
 350 done_free_sp:
 351         sp->free(vha, sp);
 352 done:
 353         return rval;
 354 }
 355
 356 static void
 357 qla24xx_abort_iocb_timeout(void *data)
 358 {
 359         srb_t *sp = (srb_t *)data;
 360         struct srb_iocb *abt = &sp->u.iocb_cmd;
 361
 362         abt->u.abt.comp_status = CS_TIMEOUT;
 363         complete(&abt->u.abt.comp);
 364 }
 365
 366 static void
 367 qla24xx_abort_sp_done(void *data, void *ptr, int res)
 368 {
 369         srb_t *sp = (srb_t *)ptr;
 370         struct srb_iocb *abt = &sp->u.iocb_cmd;
 371
 372         complete(&abt->u.abt.comp);
 373 }
 374
 375 static int
 376 qla24xx_async_abort_cmd(srb_t *cmd_sp)
 377 {
 378         scsi_qla_host_t *vha = cmd_sp->fcport->vha;
 379         fc_port_t *fcport = cmd_sp->fcport;
 380         struct srb_iocb *abt_iocb;
 381         srb_t *sp;
 382         int rval = QLA_FUNCTION_FAILED;
 383
 384         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 385         if (!sp)
 386                 goto done;
 387
 388         abt_iocb = &sp->u.iocb_cmd;
 389         sp->type = SRB_ABT_CMD;
 390         sp->name = "abort";
 391         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
 392         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
 393         sp->done = qla24xx_abort_sp_done;
 394         abt_iocb->timeout = qla24xx_abort_iocb_timeout;
 395         init_completion(&abt_iocb->u.abt.comp);
 396
 397         rval = qla2x00_start_sp(sp);
 398         if (rval != QLA_SUCCESS)
 399                 goto done_free_sp;
 400
 401         ql_dbg(ql_dbg_async, vha, 0x507c,
 402             "Abort command issued - hdl=%x, target_id=%x\n",
 403             cmd_sp->handle, fcport->tgt_id);
 404
 405         wait_for_completion(&abt_iocb->u.abt.comp);
 406
 407         rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
 408             QLA_SUCCESS : QLA_FUNCTION_FAILED;
 409
 410 done_free_sp:
 411         sp->free(vha, sp);
 412 done:
 413         return rval;
 414 }
 415
 416 int
 417 qla24xx_async_abort_command(srb_t *sp)
 418 {
 419         unsigned long   flags = 0;
 420
 421         uint32_t        handle;
 422         fc_port_t       *fcport = sp->fcport;
 423         struct scsi_qla_host *vha = fcport->vha;
 424         struct qla_hw_data *ha = vha->hw;
 425         struct req_que *req = vha->req;
 426
 427         spin_lock_irqsave(&ha->hardware_lock, flags);
 428         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
 429                 if (req->outstanding_cmds[handle] == sp)
 430                         break;
 431         }
 432         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 433         if (handle == req->num_outstanding_cmds) {
 434                 /* Command not found. */
 435                 return QLA_FUNCTION_FAILED;
 436         }
 437         if (sp->type == SRB_FXIOCB_DCMD)
 438                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
 439                     FXDISC_ABORT_IOCTL);
 440
 441         return qla24xx_async_abort_cmd(sp);
 442 }
 443
 444 void
 445 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 446     uint16_t *data)
 447 {
 448         int rval;
 449
 450         switch (data[0]) {
 451         case MBS_COMMAND_COMPLETE:
 452                 /*
 453                  * Driver must validate login state - If PRLI not complete,
 454                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
 455                  * requests.
 456                  */
 457                 rval = qla2x00_get_port_database(vha, fcport, 0);
 458                 if (rval == QLA_NOT_LOGGED_IN) {
 459                         fcport->flags &= ~FCF_ASYNC_SENT;
 460                         fcport->flags |= FCF_LOGIN_NEEDED;
 461                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 462                         break;
 463                 }
 464
 465                 if (rval != QLA_SUCCESS) {
 466                         qla2x00_post_async_logout_work(vha, fcport, NULL);
 467                         qla2x00_post_async_login_work(vha, fcport, NULL);
 468                         break;
 469                 }
 470                 if (fcport->flags & FCF_FCP2_DEVICE) {
 471                         qla2x00_post_async_adisc_work(vha, fcport, data);
 472                         break;
 473                 }
 474                 qla2x00_update_fcport(vha, fcport);
 475                 break;
 476         case MBS_COMMAND_ERROR:
 477                 fcport->flags &= ~FCF_ASYNC_SENT;
 478                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 479                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 480                 else
 481                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 482                 break;
 483         case MBS_PORT_ID_USED:
 484                 fcport->loop_id = data[1];
 485                 qla2x00_post_async_logout_work(vha, fcport, NULL);
 486                 qla2x00_post_async_login_work(vha, fcport, NULL);
 487                 break;
 488         case MBS_LOOP_ID_USED:
 489                 fcport->loop_id++;
 490                 rval = qla2x00_find_new_loop_id(vha, fcport);
 491                 if (rval != QLA_SUCCESS) {
 492                         fcport->flags &= ~FCF_ASYNC_SENT;
 493                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 494                         break;
 495                 }
 496                 qla2x00_post_async_login_work(vha, fcport, NULL);
 497                 break;
 498         }
 499         return;
 500 }
 501
 502 void
 503 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 504     uint16_t *data)
 505 {
 506         /* Don't re-login in target mode */
 507         if (!fcport->tgt_session)
 508                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 509         qlt_logo_completion_handler(fcport, data[0]);
 510         return;
 511 }
 512
 513 void
 514 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 515     uint16_t *data)
 516 {
 517         if (data[0] == MBS_COMMAND_COMPLETE) {
 518                 qla2x00_update_fcport(vha, fcport);
 519
 520                 return;
 521         }
 522
 523         /* Retry login. */
 524         fcport->flags &= ~FCF_ASYNC_SENT;
 525         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 526                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 527         else
 528                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 529
 530         return;
 531 }
 532
 533 /****************************************************************************/
 534 /*                QLogic ISP2x00 Hardware Support Functions.                */
 535 /****************************************************************************/
 536
 537 static int
 538 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
 539 {
 540         int rval = QLA_SUCCESS;
 541         struct qla_hw_data *ha = vha->hw;
 542         uint32_t idc_major_ver, idc_minor_ver;
 543         uint16_t config[4];
 544
 545         qla83xx_idc_lock(vha, 0);
 546
 547         /* SV: TODO: Assign initialization timeout from
 548          * flash-info / other param
 549          */
 550         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
 551         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
 552
 553         /* Set our fcoe function presence */
 554         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
 555                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
 556                     "Error while setting DRV-Presence.\n");
 557                 rval = QLA_FUNCTION_FAILED;
 558                 goto exit;
 559         }
 560
 561         /* Decide the reset ownership */
 562         qla83xx_reset_ownership(vha);
 563
 564         /*
 565          * On first protocol driver load:
 566          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
 567          * register.
 568          * Others: Check compatibility with current IDC Major version.
 569          */
 570         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
 571         if (ha->flags.nic_core_reset_owner) {
 572                 /* Set IDC Major version */
 573                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
 574                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
 575
 576                 /* Clearing IDC-Lock-Recovery register */
 577                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
 578         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
 579                 /*
 580                  * Clear further IDC participation if we are not compatible with
 581                  * the current IDC Major Version.
 582                  */
 583                 ql_log(ql_log_warn, vha, 0xb07d,
 584                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
 585                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
 586                 __qla83xx_clear_drv_presence(vha);
 587                 rval = QLA_FUNCTION_FAILED;
 588                 goto exit;
 589         }
 590         /* Each function sets its supported Minor version. */
 591         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
 592         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
 593         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
 594
 595         if (ha->flags.nic_core_reset_owner) {
 596                 memset(config, 0, sizeof(config));
 597                 if (!qla81xx_get_port_config(vha, config))
 598                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 599                             QLA8XXX_DEV_READY);
 600         }
 601
 602         rval = qla83xx_idc_state_handler(vha);
 603
 604 exit:
 605         qla83xx_idc_unlock(vha, 0);
 606
 607         return rval;
 608 }
 609
 610 /*
 611 * qla2x00_initialize_adapter
 612 *      Initialize board.
 613 *
 614 * Input:
 615 *      ha = adapter block pointer.
 616 *
 617 * Returns:
 618 *      0 = success
 619 */
 620 int
 621 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 622 {
 623         int     rval;
 624         struct qla_hw_data *ha = vha->hw;
 625         struct req_que *req = ha->req_q_map[0];
 626
 627         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
 628         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
 629
 630         /* Clear adapter flags. */
 631         vha->flags.online = 0;
 632         ha->flags.chip_reset_done = 0;
 633         vha->flags.reset_active = 0;
 634         ha->flags.pci_channel_io_perm_failure = 0;
 635         ha->flags.eeh_busy = 0;
 636         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
 637         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 638         atomic_set(&vha->loop_state, LOOP_DOWN);
 639         vha->device_flags = DFLG_NO_CABLE;
 640         vha->dpc_flags = 0;
 641         vha->flags.management_server_logged_in = 0;
 642         vha->marker_needed = 0;
 643         ha->isp_abort_cnt = 0;
 644         ha->beacon_blink_led = 0;
 645
 646         set_bit(0, ha->req_qid_map);
 647         set_bit(0, ha->rsp_qid_map);
 648
 649         ql_dbg(ql_dbg_init, vha, 0x0040,
 650             "Configuring PCI space...\n");
 651         rval = ha->isp_ops->pci_config(vha);
 652         if (rval) {
 653                 ql_log(ql_log_warn, vha, 0x0044,
 654                     "Unable to configure PCI space.\n");
 655                 return (rval);
 656         }
 657
 658         ha->isp_ops->reset_chip(vha);
 659
 660         rval = qla2xxx_get_flash_info(vha);
 661         if (rval) {
 662                 ql_log(ql_log_fatal, vha, 0x004f,
 663                     "Unable to validate FLASH data.\n");
 664                 return rval;
 665         }
 666
 667         if (IS_QLA8044(ha)) {
 668                 qla8044_read_reset_template(vha);
 669
 670                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
 671                  * If DONRESET_BIT0 is set, drivers should not set dev_state
 672                  * to NEED_RESET. But if NEED_RESET is set, drivers should
 673                  * should honor the reset. */
 674                 if (ql2xdontresethba == 1)
 675                         qla8044_set_idc_dontreset(vha);
 676         }
 677
 678         ha->isp_ops->get_flash_version(vha, req->ring);
 679         ql_dbg(ql_dbg_init, vha, 0x0061,
 680             "Configure NVRAM parameters...\n");
 681
 682         ha->isp_ops->nvram_config(vha);
 683
 684         if (ha->flags.disable_serdes) {
 685                 /* Mask HBA via NVRAM settings? */
 686                 ql_log(ql_log_info, vha, 0x0077,
 687                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
 688                 return QLA_FUNCTION_FAILED;
 689         }
 690
 691         ql_dbg(ql_dbg_init, vha, 0x0078,
 692             "Verifying loaded RISC code...\n");
 693
 694         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 695                 rval = ha->isp_ops->chip_diag(vha);
 696                 if (rval)
 697                         return (rval);
 698                 rval = qla2x00_setup_chip(vha);
 699                 if (rval)
 700                         return (rval);
 701         }
 702
 703         if (IS_QLA84XX(ha)) {
 704                 ha->cs84xx = qla84xx_get_chip(vha);
 705                 if (!ha->cs84xx) {
 706                         ql_log(ql_log_warn, vha, 0x00d0,
 707                             "Unable to configure ISP84XX.\n");
 708                         return QLA_FUNCTION_FAILED;
 709                 }
 710         }
 711
 712         if (qla_ini_mode_enabled(vha))
 713                 rval = qla2x00_init_rings(vha);
 714
 715         ha->flags.chip_reset_done = 1;
 716
 717         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 718                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 719                 rval = qla84xx_init_chip(vha);
 720                 if (rval != QLA_SUCCESS) {
 721                         ql_log(ql_log_warn, vha, 0x00d4,
 722                             "Unable to initialize ISP84XX.\n");
 723                         qla84xx_put_chip(vha);
 724                 }
 725         }
 726
 727         /* Load the NIC Core f/w if we are the first protocol driver. */
 728         if (IS_QLA8031(ha)) {
 729                 rval = qla83xx_nic_core_fw_load(vha);
 730                 if (rval)
 731                         ql_log(ql_log_warn, vha, 0x0124,
 732                             "Error in initializing NIC Core f/w.\n");
 733         }
 734
 735         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 736                 qla24xx_read_fcp_prio_cfg(vha);
 737
 738         if (IS_P3P_TYPE(ha))
 739                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
 740         else
 741                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
 742
 743         return (rval);
 744 }
 745
 746 /**
 747  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 748  * @ha: HA context
 749  *
 750  * Returns 0 on success.
 751  */
 752 int
 753 qla2100_pci_config(scsi_qla_host_t *vha)
 754 {
 755         uint16_t w;
 756         unsigned long flags;
 757         struct qla_hw_data *ha = vha->hw;
 758         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 759
 760         pci_set_master(ha->pdev);
 761         pci_try_set_mwi(ha->pdev);
 762
 763         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 764         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 765         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 766
 767         pci_disable_rom(ha->pdev);
 768
 769         /* Get PCI bus information. */
 770         spin_lock_irqsave(&ha->hardware_lock, flags);
 771         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 772         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 773
 774         return QLA_SUCCESS;
 775 }
 776
 777 /**
 778  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 779  * @ha: HA context
 780  *
 781  * Returns 0 on success.
 782  */
 783 int
 784 qla2300_pci_config(scsi_qla_host_t *vha)
 785 {
 786         uint16_t        w;
 787         unsigned long   flags = 0;
 788         uint32_t        cnt;
 789         struct qla_hw_data *ha = vha->hw;
 790         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 791
 792         pci_set_master(ha->pdev);
 793         pci_try_set_mwi(ha->pdev);
 794
 795         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 796         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 797
 798         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 799                 w &= ~PCI_COMMAND_INTX_DISABLE;
 800         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 801
 802         /*
 803          * If this is a 2300 card and not 2312, reset the
 804          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 805          * the 2310 also reports itself as a 2300 so we need to get the
 806          * fb revision level -- a 6 indicates it really is a 2300 and
 807          * not a 2310.
 808          */
 809         if (IS_QLA2300(ha)) {
 810                 spin_lock_irqsave(&ha->hardware_lock, flags);
 811
 812                 /* Pause RISC. */
 813                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 814                 for (cnt = 0; cnt < 30000; cnt++) {
 815                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 816                                 break;
 817
 818                         udelay(10);
 819                 }
 820
 821                 /* Select FPM registers. */
 822                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 823                 RD_REG_WORD(&reg->ctrl_status);
 824
 825                 /* Get the fb rev level */
 826                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 827
 828                 if (ha->fb_rev == FPM_2300)
 829                         pci_clear_mwi(ha->pdev);
 830
 831                 /* Deselect FPM registers. */
 832                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 833                 RD_REG_WORD(&reg->ctrl_status);
 834
 835                 /* Release RISC module. */
 836                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 837                 for (cnt = 0; cnt < 30000; cnt++) {
 838                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 839                                 break;
 840
 841                         udelay(10);
 842                 }
 843
 844                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 845         }
 846
 847         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 848
 849         pci_disable_rom(ha->pdev);
 850
 851         /* Get PCI bus information. */
 852         spin_lock_irqsave(&ha->hardware_lock, flags);
 853         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 854         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 855
 856         return QLA_SUCCESS;
 857 }
 858
 859 /**
 860  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 861  * @ha: HA context
 862  *
 863  * Returns 0 on success.
 864  */
 865 int
 866 qla24xx_pci_config(scsi_qla_host_t *vha)
 867 {
 868         uint16_t w;
 869         unsigned long flags = 0;
 870         struct qla_hw_data *ha = vha->hw;
 871         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 872
 873         pci_set_master(ha->pdev);
 874         pci_try_set_mwi(ha->pdev);
 875
 876         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 877         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 878         w &= ~PCI_COMMAND_INTX_DISABLE;
 879         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 880
 881         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 882
 883         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 884         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 885                 pcix_set_mmrbc(ha->pdev, 2048);
 886
 887         /* PCIe -- adjust Maximum Read Request Size (2048). */
 888         if (pci_is_pcie(ha->pdev))
 889                 pcie_set_readrq(ha->pdev, 4096);
 890
 891         pci_disable_rom(ha->pdev);
 892
 893         ha->chip_revision = ha->pdev->revision;
 894
 895         /* Get PCI bus information. */
 896         spin_lock_irqsave(&ha->hardware_lock, flags);
 897         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 898         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 899
 900         return QLA_SUCCESS;
 901 }
 902
 903 /**
 904  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 905  * @ha: HA context
 906  *
 907  * Returns 0 on success.
 908  */
 909 int
 910 qla25xx_pci_config(scsi_qla_host_t *vha)
 911 {
 912         uint16_t w;
 913         struct qla_hw_data *ha = vha->hw;
 914
 915         pci_set_master(ha->pdev);
 916         pci_try_set_mwi(ha->pdev);
 917
 918         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 919         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 920         w &= ~PCI_COMMAND_INTX_DISABLE;
 921         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 922
 923         /* PCIe -- adjust Maximum Read Request Size (2048). */
 924         if (pci_is_pcie(ha->pdev))
 925                 pcie_set_readrq(ha->pdev, 4096);
 926
 927         pci_disable_rom(ha->pdev);
 928
 929         ha->chip_revision = ha->pdev->revision;
 930
 931         return QLA_SUCCESS;
 932 }
 933
 934 /**
 935  * qla2x00_isp_firmware() - Choose firmware image.
 936  * @ha: HA context
 937  *
 938  * Returns 0 on success.
 939  */
 940 static int
 941 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 942 {
 943         int  rval;
 944         uint16_t loop_id, topo, sw_cap;
 945         uint8_t domain, area, al_pa;
 946         struct qla_hw_data *ha = vha->hw;
 947
 948         /* Assume loading risc code */
 949         rval = QLA_FUNCTION_FAILED;
 950
 951         if (ha->flags.disable_risc_code_load) {
 952                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
 953
 954                 /* Verify checksum of loaded RISC code. */
 955                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 956                 if (rval == QLA_SUCCESS) {
 957                         /* And, verify we are not in ROM code. */
 958                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 959                             &area, &domain, &topo, &sw_cap);
 960                 }
 961         }
 962
 963         if (rval)
 964                 ql_dbg(ql_dbg_init, vha, 0x007a,
 965                     "**** Load RISC code ****.\n");
 966
 967         return (rval);
 968 }
 969
 970 /**
 971  * qla2x00_reset_chip() - Reset ISP chip.
 972  * @ha: HA context
 973  *
 974  * Returns 0 on success.
 975  */
 976 void
 977 qla2x00_reset_chip(scsi_qla_host_t *vha)
 978 {
 979         unsigned long   flags = 0;
 980         struct qla_hw_data *ha = vha->hw;
 981         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 982         uint32_t        cnt;
 983         uint16_t        cmd;
 984
 985         if (unlikely(pci_channel_offline(ha->pdev)))
 986                 return;
 987
 988         ha->isp_ops->disable_intrs(ha);
 989
 990         spin_lock_irqsave(&ha->hardware_lock, flags);
 991
 992         /* Turn off master enable */
 993         cmd = 0;
 994         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 995         cmd &= ~PCI_COMMAND_MASTER;
 996         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 997
 998         if (!IS_QLA2100(ha)) {
 999                 /* Pause RISC. */
1000                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
1001                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
1002                         for (cnt = 0; cnt < 30000; cnt++) {
1003                                 if ((RD_REG_WORD(&reg->hccr) &
1004                                     HCCR_RISC_PAUSE) != 0)
1005                                         break;
1006                                 udelay(100);
1007                         }
1008                 } else {
1009                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
1010                         udelay(10);
1011                 }
1012
1013                 /* Select FPM registers. */
1014                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
1015                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1016
1017                 /* FPM Soft Reset. */
1018                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
1019                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
1020
1021                 /* Toggle Fpm Reset. */
1022                 if (!IS_QLA2200(ha)) {
1023                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
1024                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
1025                 }
1026
1027                 /* Select frame buffer registers. */
1028                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
1029                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1030
1031                 /* Reset frame buffer FIFOs. */
1032                 if (IS_QLA2200(ha)) {
1033                         WRT_FB_CMD_REG(ha, reg, 0xa000);
1034                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
1035                 } else {
1036                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
1037
1038                         /* Read back fb_cmd until zero or 3 seconds max */
1039                         for (cnt = 0; cnt < 3000; cnt++) {
1040                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
1041                                         break;
1042                                 udelay(100);
1043                         }
1044                 }
1045
1046                 /* Select RISC module registers. */
1047                 WRT_REG_WORD(&reg->ctrl_status, 0);
1048                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1049
1050                 /* Reset RISC processor. */
1051                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1052                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1053
1054                 /* Release RISC processor. */
1055                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1056                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1057         }
1058
1059         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
1060         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
1061
1062         /* Reset ISP chip. */
1063         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1064
1065         /* Wait for RISC to recover from reset. */
1066         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1067                 /*
1068                  * It is necessary to for a delay here since the card doesn't
1069                  * respond to PCI reads during a reset. On some architectures
1070                  * this will result in an MCA.
1071                  */
1072                 udelay(20);
1073                 for (cnt = 30000; cnt; cnt--) {
1074                         if ((RD_REG_WORD(&reg->ctrl_status) &
1075                             CSR_ISP_SOFT_RESET) == 0)
1076                                 break;
1077                         udelay(100);
1078                 }
1079         } else
1080                 udelay(10);
1081
1082         /* Reset RISC processor. */
1083         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1084
1085         WRT_REG_WORD(&reg->semaphore, 0);
1086
1087         /* Release RISC processor. */
1088         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1089         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
1090
1091         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1092                 for (cnt = 0; cnt < 30000; cnt++) {
1093                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1094                                 break;
1095
1096                         udelay(100);
1097                 }
1098         } else
1099                 udelay(100);
1100
1101         /* Turn on master enable */
1102         cmd |= PCI_COMMAND_MASTER;
1103         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
1104
1105         /* Disable RISC pause on FPM parity error. */
1106         if (!IS_QLA2100(ha)) {
1107                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
1108                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1109         }
1110
1111         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1112 }
1113
1114 /**
1115  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
1116  *
1117  * Returns 0 on success.
1118  */
1119 static int
1120 qla81xx_reset_mpi(scsi_qla_host_t *vha)
1121 {
1122         uint16_t mb[4] = {0x1010, 0, 1, 0};
1123
1124         if (!IS_QLA81XX(vha->hw))
1125                 return QLA_SUCCESS;
1126
1127         return qla81xx_write_mpi_register(vha, mb);
1128 }
1129
1130 /**
1131  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
1132  * @ha: HA context
1133  *
1134  * Returns 0 on success.
1135  */
1136 static inline int
1137 qla24xx_reset_risc(scsi_qla_host_t *vha)
1138 {
1139         unsigned long flags = 0;
1140         struct qla_hw_data *ha = vha->hw;
1141         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1142         uint32_t cnt;
1143         uint16_t wd;
1144         static int abts_cnt; /* ISP abort retry counts */
1145         int rval = QLA_SUCCESS;
1146
1147         spin_lock_irqsave(&ha->hardware_lock, flags);
1148
1149         /* Reset RISC. */
1150         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1151         for (cnt = 0; cnt < 30000; cnt++) {
1152                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1153                         break;
1154
1155                 udelay(10);
1156         }
1157
1158         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
1159                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
1160
1161         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
1162             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
1163             RD_REG_DWORD(&reg->hccr),
1164             RD_REG_DWORD(&reg->ctrl_status),
1165             (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
1166
1167         WRT_REG_DWORD(&reg->ctrl_status,
1168             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1169         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1170
1171         udelay(100);
1172
1173         /* Wait for firmware to complete NVRAM accesses. */
1174         RD_REG_WORD(&reg->mailbox0);
1175         for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
1176             rval == QLA_SUCCESS; cnt--) {
1177                 barrier();
1178                 if (cnt)
1179                         udelay(5);
1180                 else
1181                         rval = QLA_FUNCTION_TIMEOUT;
1182         }
1183
1184         if (rval == QLA_SUCCESS)
1185                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
1186
1187         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
1188             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
1189             RD_REG_DWORD(&reg->hccr),
1190             RD_REG_DWORD(&reg->mailbox0));
1191
1192         /* Wait for soft-reset to complete. */
1193         RD_REG_DWORD(&reg->ctrl_status);
1194         for (cnt = 0; cnt < 6000000; cnt++) {
1195                 barrier();
1196                 if ((RD_REG_DWORD(&reg->ctrl_status) &
1197                     CSRX_ISP_SOFT_RESET) == 0)
1198                         break;
1199
1200                 udelay(5);
1201         }
1202         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
1203                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
1204
1205         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
1206             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
1207             RD_REG_DWORD(&reg->hccr),
1208             RD_REG_DWORD(&reg->ctrl_status));
1209
1210         /* If required, do an MPI FW reset now */
1211         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1212                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1213                         if (++abts_cnt < 5) {
1214                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1215                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1216                         } else {
1217                                 /*
1218                                  * We exhausted the ISP abort retries. We have to
1219                                  * set the board offline.
1220                                  */
1221                                 abts_cnt = 0;
1222                                 vha->flags.online = 0;
1223                         }
1224                 }
1225         }
1226
1227         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1228         RD_REG_DWORD(&reg->hccr);
1229
1230         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1231         RD_REG_DWORD(&reg->hccr);
1232
1233         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1234         RD_REG_DWORD(&reg->hccr);
1235
1236         RD_REG_WORD(&reg->mailbox0);
1237         for (cnt = 6000000; RD_REG_WORD(&reg->mailbox0) != 0 &&
1238             rval == QLA_SUCCESS; cnt--) {
1239                 barrier();
1240                 if (cnt)
1241                         udelay(5);
1242                 else
1243                         rval = QLA_FUNCTION_TIMEOUT;
1244         }
1245         if (rval == QLA_SUCCESS)
1246                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
1247
1248         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
1249             "Host Risc 0x%x, mailbox0 0x%x\n",
1250             RD_REG_DWORD(&reg->hccr),
1251              RD_REG_WORD(&reg->mailbox0));
1252
1253         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1254
1255         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
1256             "Driver in %s mode\n",
1257             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
1258
1259         if (IS_NOPOLLING_TYPE(ha))
1260                 ha->isp_ops->enable_intrs(ha);
1261
1262         return rval;
1263 }
1264
1265 static void
1266 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
1267 {
1268         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1269
1270         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1271         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
1272
1273 }
1274
1275 static void
1276 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
1277 {
1278         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1279
1280         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1281         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
1282 }
1283
1284 static void
1285 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
1286 {
1287         uint32_t wd32 = 0;
1288         uint delta_msec = 100;
1289         uint elapsed_msec = 0;
1290         uint timeout_msec;
1291         ulong n;
1292
1293         if (vha->hw->pdev->subsystem_device != 0x0175 &&
1294             vha->hw->pdev->subsystem_device != 0x0240)
1295                 return;
1296
1297         WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
1298         udelay(100);
1299
1300 attempt:
1301         timeout_msec = TIMEOUT_SEMAPHORE;
1302         n = timeout_msec / delta_msec;
1303         while (n--) {
1304                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
1305                 qla25xx_read_risc_sema_reg(vha, &wd32);
1306                 if (wd32 & RISC_SEMAPHORE)
1307                         break;
1308                 msleep(delta_msec);
1309                 elapsed_msec += delta_msec;
1310                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1311                         goto force;
1312         }
1313
1314         if (!(wd32 & RISC_SEMAPHORE))
1315                 goto force;
1316
1317         if (!(wd32 & RISC_SEMAPHORE_FORCE))
1318                 goto acquired;
1319
1320         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
1321         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
1322         n = timeout_msec / delta_msec;
1323         while (n--) {
1324                 qla25xx_read_risc_sema_reg(vha, &wd32);
1325                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
1326                         break;
1327                 msleep(delta_msec);
1328                 elapsed_msec += delta_msec;
1329                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1330                         goto force;
1331         }
1332
1333         if (wd32 & RISC_SEMAPHORE_FORCE)
1334                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
1335
1336         goto attempt;
1337
1338 force:
1339         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
1340
1341 acquired:
1342         return;
1343 }
1344
1345 /**
1346  * qla24xx_reset_chip() - Reset ISP24xx chip.
1347  * @ha: HA context
1348  *
1349  * Returns 0 on success.
1350  */
1351 void
1352 qla24xx_reset_chip(scsi_qla_host_t *vha)
1353 {
1354         struct qla_hw_data *ha = vha->hw;
1355
1356         if (pci_channel_offline(ha->pdev) &&
1357             ha->flags.pci_channel_io_perm_failure) {
1358                 return;
1359         }
1360
1361         ha->isp_ops->disable_intrs(ha);
1362
1363         qla25xx_manipulate_risc_semaphore(vha);
1364
1365         /* Perform RISC reset. */
1366         qla24xx_reset_risc(vha);
1367 }
1368
1369 /**
1370  * qla2x00_chip_diag() - Test chip for proper operation.
1371  * @ha: HA context
1372  *
1373  * Returns 0 on success.
1374  */
1375 int
1376 qla2x00_chip_diag(scsi_qla_host_t *vha)
1377 {
1378         int             rval;
1379         struct qla_hw_data *ha = vha->hw;
1380         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1381         unsigned long   flags = 0;
1382         uint16_t        data;
1383         uint32_t        cnt;
1384         uint16_t        mb[5];
1385         struct req_que *req = ha->req_q_map[0];
1386
1387         /* Assume a failed state */
1388         rval = QLA_FUNCTION_FAILED;
1389
1390         ql_dbg(ql_dbg_init, vha, 0x007b,
1391             "Testing device at %lx.\n", (u_long)&reg->flash_address);
1392
1393         spin_lock_irqsave(&ha->hardware_lock, flags);
1394
1395         /* Reset ISP chip. */
1396         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1397
1398         /*
1399          * We need to have a delay here since the card will not respond while
1400          * in reset causing an MCA on some architectures.
1401          */
1402         udelay(20);
1403         data = qla2x00_debounce_register(&reg->ctrl_status);
1404         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1405                 udelay(5);
1406                 data = RD_REG_WORD(&reg->ctrl_status);
1407                 barrier();
1408         }
1409
1410         if (!cnt)
1411                 goto chip_diag_failed;
1412
1413         ql_dbg(ql_dbg_init, vha, 0x007c,
1414             "Reset register cleared by chip reset.\n");
1415
1416         /* Reset RISC processor. */
1417         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1418         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1419
1420         /* Workaround for QLA2312 PCI parity error */
1421         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1422                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1423                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1424                         udelay(5);
1425                         data = RD_MAILBOX_REG(ha, reg, 0);
1426                         barrier();
1427                 }
1428         } else
1429                 udelay(10);
1430
1431         if (!cnt)
1432                 goto chip_diag_failed;
1433
1434         /* Check product ID of chip */
1435         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1436
1437         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1438         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1439         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1440         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1441         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1442             mb[3] != PROD_ID_3) {
1443                 ql_log(ql_log_warn, vha, 0x0062,
1444                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1445                     mb[1], mb[2], mb[3]);
1446
1447                 goto chip_diag_failed;
1448         }
1449         ha->product_id[0] = mb[1];
1450         ha->product_id[1] = mb[2];
1451         ha->product_id[2] = mb[3];
1452         ha->product_id[3] = mb[4];
1453
1454         /* Adjust fw RISC transfer size */
1455         if (req->length > 1024)
1456                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1457         else
1458                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1459                     req->length;
1460
1461         if (IS_QLA2200(ha) &&
1462             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1463                 /* Limit firmware transfer size with a 2200A */
1464                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1465
1466                 ha->device_type |= DT_ISP2200A;
1467                 ha->fw_transfer_size = 128;
1468         }
1469
1470         /* Wrap Incoming Mailboxes Test. */
1471         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1472
1473         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1474         rval = qla2x00_mbx_reg_test(vha);
1475         if (rval)
1476                 ql_log(ql_log_warn, vha, 0x0080,
1477                     "Failed mailbox send register test.\n");
1478         else
1479                 /* Flag a successful rval */
1480                 rval = QLA_SUCCESS;
1481         spin_lock_irqsave(&ha->hardware_lock, flags);
1482
1483 chip_diag_failed:
1484         if (rval)
1485                 ql_log(ql_log_info, vha, 0x0081,
1486                     "Chip diagnostics **** FAILED ****.\n");
1487
1488         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1489
1490         return (rval);
1491 }
1492
1493 /**
1494  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1495  * @ha: HA context
1496  *
1497  * Returns 0 on success.
1498  */
1499 int
1500 qla24xx_chip_diag(scsi_qla_host_t *vha)
1501 {
1502         int rval;
1503         struct qla_hw_data *ha = vha->hw;
1504         struct req_que *req = ha->req_q_map[0];
1505
1506         if (IS_P3P_TYPE(ha))
1507                 return QLA_SUCCESS;
1508
1509         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1510
1511         rval = qla2x00_mbx_reg_test(vha);
1512         if (rval) {
1513                 ql_log(ql_log_warn, vha, 0x0082,
1514                     "Failed mailbox send register test.\n");
1515         } else {
1516                 /* Flag a successful rval */
1517                 rval = QLA_SUCCESS;
1518         }
1519
1520         return rval;
1521 }
1522
1523 void
1524 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1525 {
1526         int rval;
1527         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1528             eft_size, fce_size, mq_size;
1529         dma_addr_t tc_dma;
1530         void *tc;
1531         struct qla_hw_data *ha = vha->hw;
1532         struct req_que *req = ha->req_q_map[0];
1533         struct rsp_que *rsp = ha->rsp_q_map[0];
1534
1535         if (ha->fw_dump) {
1536                 ql_dbg(ql_dbg_init, vha, 0x00bd,
1537                     "Firmware dump already allocated.\n");
1538                 return;
1539         }
1540
1541         ha->fw_dumped = 0;
1542         ha->fw_dump_cap_flags = 0;
1543         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1544         req_q_size = rsp_q_size = 0;
1545
1546         if (IS_QLA27XX(ha))
1547                 goto try_fce;
1548
1549         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1550                 fixed_size = sizeof(struct qla2100_fw_dump);
1551         } else if (IS_QLA23XX(ha)) {
1552                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1553                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1554                     sizeof(uint16_t);
1555         } else if (IS_FWI2_CAPABLE(ha)) {
1556                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
1557                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1558                 else if (IS_QLA81XX(ha))
1559                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1560                 else if (IS_QLA25XX(ha))
1561                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1562                 else
1563                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1564
1565                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1566                     sizeof(uint32_t);
1567                 if (ha->mqenable) {
1568                         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1569                                 mq_size = sizeof(struct qla2xxx_mq_chain);
1570                         /*
1571                          * Allocate maximum buffer size for all queues.
1572                          * Resizing must be done at end-of-dump processing.
1573                          */
1574                         mq_size += ha->max_req_queues *
1575                             (req->length * sizeof(request_t));
1576                         mq_size += ha->max_rsp_queues *
1577                             (rsp->length * sizeof(response_t));
1578                 }
1579                 if (ha->tgt.atio_ring)
1580                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
1581                 /* Allocate memory for Fibre Channel Event Buffer. */
1582                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1583                     !IS_QLA27XX(ha))
1584                         goto try_eft;
1585
1586 try_fce:
1587                 if (ha->fce)
1588                         dma_free_coherent(&ha->pdev->dev,
1589                             FCE_SIZE, ha->fce, ha->fce_dma);
1590
1591                 /* Allocate memory for Fibre Channel Event Buffer. */
1592                 tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1593                                          GFP_KERNEL);
1594                 if (!tc) {
1595                         ql_log(ql_log_warn, vha, 0x00be,
1596                             "Unable to allocate (%d KB) for FCE.\n",
1597                             FCE_SIZE / 1024);
1598                         goto try_eft;
1599                 }
1600
1601                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1602                     ha->fce_mb, &ha->fce_bufs);
1603                 if (rval) {
1604                         ql_log(ql_log_warn, vha, 0x00bf,
1605                             "Unable to initialize FCE (%d).\n", rval);
1606                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1607                             tc_dma);
1608                         ha->flags.fce_enabled = 0;
1609                         goto try_eft;
1610                 }
1611                 ql_dbg(ql_dbg_init, vha, 0x00c0,
1612                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1613
1614                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1615                 ha->flags.fce_enabled = 1;
1616                 ha->fce_dma = tc_dma;
1617                 ha->fce = tc;
1618
1619 try_eft:
1620                 if (ha->eft)
1621                         dma_free_coherent(&ha->pdev->dev,
1622                             EFT_SIZE, ha->eft, ha->eft_dma);
1623
1624                 /* Allocate memory for Extended Trace Buffer. */
1625                 tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1626                                          GFP_KERNEL);
1627                 if (!tc) {
1628                         ql_log(ql_log_warn, vha, 0x00c1,
1629                             "Unable to allocate (%d KB) for EFT.\n",
1630                             EFT_SIZE / 1024);
1631                         goto cont_alloc;
1632                 }
1633
1634                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1635                 if (rval) {
1636                         ql_log(ql_log_warn, vha, 0x00c2,
1637                             "Unable to initialize EFT (%d).\n", rval);
1638                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1639                             tc_dma);
1640                         goto cont_alloc;
1641                 }
1642                 ql_dbg(ql_dbg_init, vha, 0x00c3,
1643                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1644
1645                 eft_size = EFT_SIZE;
1646                 ha->eft_dma = tc_dma;
1647                 ha->eft = tc;
1648         }
1649
1650 cont_alloc:
1651         if (IS_QLA27XX(ha)) {
1652                 if (!ha->fw_dump_template) {
1653                         ql_log(ql_log_warn, vha, 0x00ba,
1654                             "Failed missing fwdump template\n");
1655                         return;
1656                 }
1657                 dump_size = qla27xx_fwdt_calculate_dump_size(vha);
1658                 ql_dbg(ql_dbg_init, vha, 0x00fa,
1659                     "-> allocating fwdump (%x bytes)...\n", dump_size);
1660                 goto allocate;
1661         }
1662
1663         req_q_size = req->length * sizeof(request_t);
1664         rsp_q_size = rsp->length * sizeof(response_t);
1665         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1666         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1667         ha->chain_offset = dump_size;
1668         dump_size += mq_size + fce_size;
1669
1670 allocate:
1671         ha->fw_dump = vmalloc(dump_size);
1672         if (!ha->fw_dump) {
1673                 ql_log(ql_log_warn, vha, 0x00c4,
1674                     "Unable to allocate (%d KB) for firmware dump.\n",
1675                     dump_size / 1024);
1676
1677                 if (ha->fce) {
1678                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1679                             ha->fce_dma);
1680                         ha->fce = NULL;
1681                         ha->fce_dma = 0;
1682                 }
1683
1684                 if (ha->eft) {
1685                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1686                             ha->eft_dma);
1687                         ha->eft = NULL;
1688                         ha->eft_dma = 0;
1689                 }
1690                 return;
1691         }
1692         ha->fw_dump_len = dump_size;
1693         ql_dbg(ql_dbg_init, vha, 0x00c5,
1694             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1695
1696         if (IS_QLA27XX(ha))
1697                 return;
1698
1699         ha->fw_dump->signature[0] = 'Q';
1700         ha->fw_dump->signature[1] = 'L';
1701         ha->fw_dump->signature[2] = 'G';
1702         ha->fw_dump->signature[3] = 'C';
1703         ha->fw_dump->version = htonl(1);
1704
1705         ha->fw_dump->fixed_size = htonl(fixed_size);
1706         ha->fw_dump->mem_size = htonl(mem_size);
1707         ha->fw_dump->req_q_size = htonl(req_q_size);
1708         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1709
1710         ha->fw_dump->eft_size = htonl(eft_size);
1711         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1712         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1713
1714         ha->fw_dump->header_size =
1715             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1716 }
1717
1718 static int
1719 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1720 {
1721 #define MPS_MASK        0xe0
1722         int rval;
1723         uint16_t dc;
1724         uint32_t dw;
1725
1726         if (!IS_QLA81XX(vha->hw))
1727                 return QLA_SUCCESS;
1728
1729         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1730         if (rval != QLA_SUCCESS) {
1731                 ql_log(ql_log_warn, vha, 0x0105,
1732                     "Unable to acquire semaphore.\n");
1733                 goto done;
1734         }
1735
1736         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1737         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1738         if (rval != QLA_SUCCESS) {
1739                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1740                 goto done_release;
1741         }
1742
1743         dc &= MPS_MASK;
1744         if (dc == (dw & MPS_MASK))
1745                 goto done_release;
1746
1747         dw &= ~MPS_MASK;
1748         dw |= dc;
1749         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1750         if (rval != QLA_SUCCESS) {
1751                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1752         }
1753
1754 done_release:
1755         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1756         if (rval != QLA_SUCCESS) {
1757                 ql_log(ql_log_warn, vha, 0x006d,
1758                     "Unable to release semaphore.\n");
1759         }
1760
1761 done:
1762         return rval;
1763 }
1764
1765 int
1766 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
1767 {
1768         /* Don't try to reallocate the array */
1769         if (req->outstanding_cmds)
1770                 return QLA_SUCCESS;
1771
1772         if (!IS_FWI2_CAPABLE(ha))
1773                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
1774         else {
1775                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
1776                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
1777                 else
1778                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
1779         }
1780
1781         req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1782             req->num_outstanding_cmds, GFP_KERNEL);
1783
1784         if (!req->outstanding_cmds) {
1785                 /*
1786                  * Try to allocate a minimal size just so we can get through
1787                  * initialization.
1788                  */
1789                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
1790                 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1791                     req->num_outstanding_cmds, GFP_KERNEL);
1792
1793                 if (!req->outstanding_cmds) {
1794                         ql_log(ql_log_fatal, NULL, 0x0126,
1795                             "Failed to allocate memory for "
1796                             "outstanding_cmds for req_que %p.\n", req);
1797                         req->num_outstanding_cmds = 0;
1798                         return QLA_FUNCTION_FAILED;
1799                 }
1800         }
1801
1802         return QLA_SUCCESS;
1803 }
1804
1805 /**
1806  * qla2x00_setup_chip() - Load and start RISC firmware.
1807  * @ha: HA context
1808  *
1809  * Returns 0 on success.
1810  */
1811 static int
1812 qla2x00_setup_chip(scsi_qla_host_t *vha)
1813 {
1814         int rval;
1815         uint32_t srisc_address = 0;
1816         struct qla_hw_data *ha = vha->hw;
1817         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1818         unsigned long flags;
1819         uint16_t fw_major_version;
1820
1821         if (IS_P3P_TYPE(ha)) {
1822                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1823                 if (rval == QLA_SUCCESS) {
1824                         qla2x00_stop_firmware(vha);
1825                         goto enable_82xx_npiv;
1826                 } else
1827                         goto failed;
1828         }
1829
1830         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1831                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1832                 spin_lock_irqsave(&ha->hardware_lock, flags);
1833                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1834                 RD_REG_WORD(&reg->hccr);
1835                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1836         }
1837
1838         qla81xx_mpi_sync(vha);
1839
1840         /* Load firmware sequences */
1841         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1842         if (rval == QLA_SUCCESS) {
1843                 ql_dbg(ql_dbg_init, vha, 0x00c9,
1844                     "Verifying Checksum of loaded RISC code.\n");
1845
1846                 rval = qla2x00_verify_checksum(vha, srisc_address);
1847                 if (rval == QLA_SUCCESS) {
1848                         /* Start firmware execution. */
1849                         ql_dbg(ql_dbg_init, vha, 0x00ca,
1850                             "Starting firmware.\n");
1851
1852                         if (ql2xexlogins)
1853                                 ha->flags.exlogins_enabled = 1;
1854
1855                         if (ql2xexchoffld)
1856                                 ha->flags.exchoffld_enabled = 1;
1857
1858                         rval = qla2x00_execute_fw(vha, srisc_address);
1859                         /* Retrieve firmware information. */
1860                         if (rval == QLA_SUCCESS) {
1861                                 rval = qla2x00_set_exlogins_buffer(vha);
1862                                 if (rval != QLA_SUCCESS)
1863                                         goto failed;
1864
1865                                 rval = qla2x00_set_exchoffld_buffer(vha);
1866                                 if (rval != QLA_SUCCESS)
1867                                         goto failed;
1868
1869 enable_82xx_npiv:
1870                                 fw_major_version = ha->fw_major_version;
1871                                 if (IS_P3P_TYPE(ha))
1872                                         qla82xx_check_md_needed(vha);
1873                                 else
1874                                         rval = qla2x00_get_fw_version(vha);
1875                                 if (rval != QLA_SUCCESS)
1876                                         goto failed;
1877                                 ha->flags.npiv_supported = 0;
1878                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1879                                          (ha->fw_attributes & BIT_2)) {
1880                                         ha->flags.npiv_supported = 1;
1881                                         if ((!ha->max_npiv_vports) ||
1882                                             ((ha->max_npiv_vports + 1) %
1883                                             MIN_MULTI_ID_FABRIC))
1884                                                 ha->max_npiv_vports =
1885                                                     MIN_MULTI_ID_FABRIC - 1;
1886                                 }
1887                                 qla2x00_get_resource_cnts(vha);
1888
1889                                 /*
1890                                  * Allocate the array of outstanding commands
1891                                  * now that we know the firmware resources.
1892                                  */
1893                                 rval = qla2x00_alloc_outstanding_cmds(ha,
1894                                     vha->req);
1895                                 if (rval != QLA_SUCCESS)
1896                                         goto failed;
1897
1898                                 if (!fw_major_version && ql2xallocfwdump
1899                                     && !(IS_P3P_TYPE(ha)))
1900                                         qla2x00_alloc_fw_dump(vha);
1901                         } else {
1902                                 goto failed;
1903                         }
1904                 } else {
1905                         ql_log(ql_log_fatal, vha, 0x00cd,
1906                             "ISP Firmware failed checksum.\n");
1907                         goto failed;
1908                 }
1909         } else
1910                 goto failed;
1911
1912         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1913                 /* Enable proper parity. */
1914                 spin_lock_irqsave(&ha->hardware_lock, flags);
1915                 if (IS_QLA2300(ha))
1916                         /* SRAM parity */
1917                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1918                 else
1919                         /* SRAM, Instruction RAM and GP RAM parity */
1920                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1921                 RD_REG_WORD(&reg->hccr);
1922                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1923         }
1924
1925         if (IS_QLA27XX(ha))
1926                 ha->flags.fac_supported = 1;
1927         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1928                 uint32_t size;
1929
1930                 rval = qla81xx_fac_get_sector_size(vha, &size);
1931                 if (rval == QLA_SUCCESS) {
1932                         ha->flags.fac_supported = 1;
1933                         ha->fdt_block_size = size << 2;
1934                 } else {
1935                         ql_log(ql_log_warn, vha, 0x00ce,
1936                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1937                             ha->fw_major_version, ha->fw_minor_version,
1938                             ha->fw_subminor_version);
1939
1940                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
1941                                 ha->flags.fac_supported = 0;
1942                                 rval = QLA_SUCCESS;
1943                         }
1944                 }
1945         }
1946 failed:
1947         if (rval) {
1948                 ql_log(ql_log_fatal, vha, 0x00cf,
1949                     "Setup chip ****FAILED****.\n");
1950         }
1951
1952         return (rval);
1953 }
1954
1955 /**
1956  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1957  * @ha: HA context
1958  *
1959  * Beginning of request ring has initialization control block already built
1960  * by nvram config routine.
1961  *
1962  * Returns 0 on success.
1963  */
1964 void
1965 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1966 {
1967         uint16_t cnt;
1968         response_t *pkt;
1969
1970         rsp->ring_ptr = rsp->ring;
1971         rsp->ring_index    = 0;
1972         rsp->status_srb = NULL;
1973         pkt = rsp->ring_ptr;
1974         for (cnt = 0; cnt < rsp->length; cnt++) {
1975                 pkt->signature = RESPONSE_PROCESSED;
1976                 pkt++;
1977         }
1978 }
1979
1980 /**
1981  * qla2x00_update_fw_options() - Read and process firmware options.
1982  * @ha: HA context
1983  *
1984  * Returns 0 on success.
1985  */
1986 void
1987 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1988 {
1989         uint16_t swing, emphasis, tx_sens, rx_sens;
1990         struct qla_hw_data *ha = vha->hw;
1991
1992         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1993         qla2x00_get_fw_options(vha, ha->fw_options);
1994
1995         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1996                 return;
1997
1998         /* Serial Link options. */
1999         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
2000             "Serial link options.\n");
2001         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
2002             (uint8_t *)&ha->fw_seriallink_options,
2003             sizeof(ha->fw_seriallink_options));
2004
2005         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
2006         if (ha->fw_seriallink_options[3] & BIT_2) {
2007                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
2008
2009                 /*  1G settings */
2010                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
2011                 emphasis = (ha->fw_seriallink_options[2] &
2012                     (BIT_4 | BIT_3)) >> 3;
2013                 tx_sens = ha->fw_seriallink_options[0] &
2014                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2015                 rx_sens = (ha->fw_seriallink_options[0] &
2016                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
2017                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
2018                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2019                         if (rx_sens == 0x0)
2020                                 rx_sens = 0x3;
2021                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
2022                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2023                         ha->fw_options[10] |= BIT_5 |
2024                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2025                             (tx_sens & (BIT_1 | BIT_0));
2026
2027                 /*  2G settings */
2028                 swing = (ha->fw_seriallink_options[2] &
2029                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
2030                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
2031                 tx_sens = ha->fw_seriallink_options[1] &
2032                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2033                 rx_sens = (ha->fw_seriallink_options[1] &
2034                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
2035                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
2036                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2037                         if (rx_sens == 0x0)
2038                                 rx_sens = 0x3;
2039                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
2040                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2041                         ha->fw_options[11] |= BIT_5 |
2042                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2043                             (tx_sens & (BIT_1 | BIT_0));
2044         }
2045
2046         /* FCP2 options. */
2047         /*  Return command IOCBs without waiting for an ABTS to complete. */
2048         ha->fw_options[3] |= BIT_13;
2049
2050         /* LED scheme. */
2051         if (ha->flags.enable_led_scheme)
2052                 ha->fw_options[2] |= BIT_12;
2053
2054         /* Detect ISP6312. */
2055         if (IS_QLA6312(ha))
2056                 ha->fw_options[2] |= BIT_13;
2057
2058         /* Set Retry FLOGI in case of P2P connection */
2059         if (ha->operating_mode == P2P) {
2060                 ha->fw_options[2] |= BIT_3;
2061                 ql_dbg(ql_dbg_disc, vha, 0x2100,
2062                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
2063                         __func__, ha->fw_options[2]);
2064         }
2065
2066         /* Update firmware options. */
2067         qla2x00_set_fw_options(vha, ha->fw_options);
2068 }
2069
2070 void
2071 qla24xx_update_fw_options(scsi_qla_host_t *vha)
2072 {
2073         int rval;
2074         struct qla_hw_data *ha = vha->hw;
2075
2076         if (IS_P3P_TYPE(ha))
2077                 return;
2078
2079         /*  Hold status IOCBs until ABTS response received. */
2080         if (ql2xfwholdabts)
2081                 ha->fw_options[3] |= BIT_12;
2082
2083         /* Set Retry FLOGI in case of P2P connection */
2084         if (ha->operating_mode == P2P) {
2085                 ha->fw_options[2] |= BIT_3;
2086                 ql_dbg(ql_dbg_disc, vha, 0x2101,
2087                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
2088                         __func__, ha->fw_options[2]);
2089         }
2090
2091         /* Update Serial Link options. */
2092         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
2093                 return;
2094
2095         rval = qla2x00_set_serdes_params(vha,
2096             le16_to_cpu(ha->fw_seriallink_options24[1]),
2097             le16_to_cpu(ha->fw_seriallink_options24[2]),
2098             le16_to_cpu(ha->fw_seriallink_options24[3]));
2099         if (rval != QLA_SUCCESS) {
2100                 ql_log(ql_log_warn, vha, 0x0104,
2101                     "Unable to update Serial Link options (%x).\n", rval);
2102         }
2103 }
2104
2105 void
2106 qla2x00_config_rings(struct scsi_qla_host *vha)
2107 {
2108         struct qla_hw_data *ha = vha->hw;
2109         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2110         struct req_que *req = ha->req_q_map[0];
2111         struct rsp_que *rsp = ha->rsp_q_map[0];
2112
2113         /* Setup ring parameters in initialization control block. */
2114         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
2115         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
2116         ha->init_cb->request_q_length = cpu_to_le16(req->length);
2117         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
2118         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2119         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2120         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2121         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2122
2123         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
2124         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
2125         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
2126         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
2127         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
2128 }
2129
2130 void
2131 qla24xx_config_rings(struct scsi_qla_host *vha)
2132 {
2133         struct qla_hw_data *ha = vha->hw;
2134         device_reg_t *reg = ISP_QUE_REG(ha, 0);
2135         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
2136         struct qla_msix_entry *msix;
2137         struct init_cb_24xx *icb;
2138         uint16_t rid = 0;
2139         struct req_que *req = ha->req_q_map[0];
2140         struct rsp_que *rsp = ha->rsp_q_map[0];
2141
2142         /* Setup ring parameters in initialization control block. */
2143         icb = (struct init_cb_24xx *)ha->init_cb;
2144         icb->request_q_outpointer = cpu_to_le16(0);
2145         icb->response_q_inpointer = cpu_to_le16(0);
2146         icb->request_q_length = cpu_to_le16(req->length);
2147         icb->response_q_length = cpu_to_le16(rsp->length);
2148         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2149         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2150         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2151         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2152
2153         /* Setup ATIO queue dma pointers for target mode */
2154         icb->atio_q_inpointer = cpu_to_le16(0);
2155         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
2156         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
2157         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
2158
2159         if (IS_SHADOW_REG_CAPABLE(ha))
2160                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
2161
2162         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2163                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
2164                 icb->rid = cpu_to_le16(rid);
2165                 if (ha->flags.msix_enabled) {
2166                         msix = &ha->msix_entries[1];
2167                         ql_dbg(ql_dbg_init, vha, 0x00fd,
2168                             "Registering vector 0x%x for base que.\n",
2169                             msix->entry);
2170                         icb->msix = cpu_to_le16(msix->entry);
2171                 }
2172                 /* Use alternate PCI bus number */
2173                 if (MSB(rid))
2174                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
2175                 /* Use alternate PCI devfn */
2176                 if (LSB(rid))
2177                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
2178
2179                 /* Use Disable MSIX Handshake mode for capable adapters */
2180                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
2181                     (ha->flags.msix_enabled)) {
2182                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
2183                         ha->flags.disable_msix_handshake = 1;
2184                         ql_dbg(ql_dbg_init, vha, 0x00fe,
2185                             "MSIX Handshake Disable Mode turned on.\n");
2186                 } else {
2187                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
2188                 }
2189                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
2190
2191                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
2192                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
2193                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
2194                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
2195         } else {
2196                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
2197                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
2198                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
2199                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
2200         }
2201         qlt_24xx_config_rings(vha);
2202
2203         /* PCI posting */
2204         RD_REG_DWORD(&ioreg->hccr);
2205 }
2206
2207 /**
2208  * qla2x00_init_rings() - Initializes firmware.
2209  * @ha: HA context
2210  *
2211  * Beginning of request ring has initialization control block already built
2212  * by nvram config routine.
2213  *
2214  * Returns 0 on success.
2215  */
2216 int
2217 qla2x00_init_rings(scsi_qla_host_t *vha)
2218 {
2219         int     rval;
2220         unsigned long flags = 0;
2221         int cnt, que;
2222         struct qla_hw_data *ha = vha->hw;
2223         struct req_que *req;
2224         struct rsp_que *rsp;
2225         struct mid_init_cb_24xx *mid_init_cb =
2226             (struct mid_init_cb_24xx *) ha->init_cb;
2227
2228         spin_lock_irqsave(&ha->hardware_lock, flags);
2229
2230         /* Clear outstanding commands array. */
2231         for (que = 0; que < ha->max_req_queues; que++) {
2232                 req = ha->req_q_map[que];
2233                 if (!req || !test_bit(que, ha->req_qid_map))
2234                         continue;
2235                 req->out_ptr = (void *)(req->ring + req->length);
2236                 *req->out_ptr = 0;
2237                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2238                         req->outstanding_cmds[cnt] = NULL;
2239
2240                 req->current_outstanding_cmd = 1;
2241
2242                 /* Initialize firmware. */
2243                 req->ring_ptr  = req->ring;
2244                 req->ring_index    = 0;
2245                 req->cnt      = req->length;
2246         }
2247
2248         for (que = 0; que < ha->max_rsp_queues; que++) {
2249                 rsp = ha->rsp_q_map[que];
2250                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
2251                         continue;
2252                 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
2253                 *rsp->in_ptr = 0;
2254                 /* Initialize response queue entries */
2255                 if (IS_QLAFX00(ha))
2256                         qlafx00_init_response_q_entries(rsp);
2257                 else
2258                         qla2x00_init_response_q_entries(rsp);
2259         }
2260
2261         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2262         ha->tgt.atio_ring_index = 0;
2263         /* Initialize ATIO queue entries */
2264         qlt_init_atio_q_entries(vha);
2265
2266         ha->isp_ops->config_rings(vha);
2267
2268         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2269
2270         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2271
2272         if (IS_QLAFX00(ha)) {
2273                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
2274                 goto next_check;
2275         }
2276
2277         /* Update any ISP specific firmware options before initialization. */
2278         ha->isp_ops->update_fw_options(vha);
2279
2280         if (ha->flags.npiv_supported) {
2281                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2282                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2283                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2284         }
2285
2286         if (IS_FWI2_CAPABLE(ha)) {
2287                 mid_init_cb->options = cpu_to_le16(BIT_1);
2288                 mid_init_cb->init_cb.execution_throttle =
2289                     cpu_to_le16(ha->cur_fw_xcb_count);
2290                 ha->flags.dport_enabled =
2291                     (mid_init_cb->init_cb.firmware_options_1 & BIT_7) != 0;
2292                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
2293                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
2294                 /* FA-WWPN Status */
2295                 ha->flags.fawwpn_enabled =
2296                     (mid_init_cb->init_cb.firmware_options_1 & BIT_6) != 0;
2297                 ql_dbg(ql_dbg_init, vha, 0x0141, "FA-WWPN Support: %s.\n",
2298                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
2299         }
2300
2301         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2302 next_check:
2303         if (rval) {
2304                 ql_log(ql_log_fatal, vha, 0x00d2,
2305                     "Init Firmware **** FAILED ****.\n");
2306         } else {
2307                 ql_dbg(ql_dbg_init, vha, 0x00d3,
2308                     "Init Firmware -- success.\n");
2309         }
2310
2311         return (rval);
2312 }
2313
2314 /**
2315  * qla2x00_fw_ready() - Waits for firmware ready.
2316  * @ha: HA context
2317  *
2318  * Returns 0 on success.
2319  */
2320 static int
2321 qla2x00_fw_ready(scsi_qla_host_t *vha)
2322 {
2323         int             rval;
2324         unsigned long   wtime, mtime, cs84xx_time;
2325         uint16_t        min_wait;       /* Minimum wait time if loop is down */
2326         uint16_t        wait_time;      /* Wait time if loop is coming ready */
2327         uint16_t        state[6];
2328         struct qla_hw_data *ha = vha->hw;
2329
2330         if (IS_QLAFX00(vha->hw))
2331                 return qlafx00_fw_ready(vha);
2332
2333         rval = QLA_SUCCESS;
2334
2335         /* Time to wait for loop down */
2336         if (IS_P3P_TYPE(ha))
2337                 min_wait = 30;
2338         else
2339                 min_wait = 20;
2340
2341         /*
2342          * Firmware should take at most one RATOV to login, plus 5 seconds for
2343          * our own processing.
2344          */
2345         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2346                 wait_time = min_wait;
2347         }
2348
2349         /* Min wait time if loop down */
2350         mtime = jiffies + (min_wait * HZ);
2351
2352         /* wait time before firmware ready */
2353         wtime = jiffies + (wait_time * HZ);
2354
2355         /* Wait for ISP to finish LIP */
2356         if (!vha->flags.init_done)
2357                 ql_log(ql_log_info, vha, 0x801e,
2358                     "Waiting for LIP to complete.\n");
2359
2360         do {
2361                 memset(state, -1, sizeof(state));
2362                 rval = qla2x00_get_firmware_state(vha, state);
2363                 if (rval == QLA_SUCCESS) {
2364                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
2365                                 vha->device_flags &= ~DFLG_NO_CABLE;
2366                         }
2367                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2368                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
2369                                     "fw_state=%x 84xx=%x.\n", state[0],
2370                                     state[2]);
2371                                 if ((state[2] & FSTATE_LOGGED_IN) &&
2372                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2373                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
2374                                             "Sending verify iocb.\n");
2375
2376                                         cs84xx_time = jiffies;
2377                                         rval = qla84xx_init_chip(vha);
2378                                         if (rval != QLA_SUCCESS) {
2379                                                 ql_log(ql_log_warn,
2380                                                     vha, 0x8007,
2381                                                     "Init chip failed.\n");
2382                                                 break;
2383                                         }
2384
2385                                         /* Add time taken to initialize. */
2386                                         cs84xx_time = jiffies - cs84xx_time;
2387                                         wtime += cs84xx_time;
2388                                         mtime += cs84xx_time;
2389                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
2390                                             "Increasing wait time by %ld. "
2391                                             "New time %ld.\n", cs84xx_time,
2392                                             wtime);
2393                                 }
2394                         } else if (state[0] == FSTATE_READY) {
2395                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2396                                     "F/W Ready - OK.\n");
2397
2398                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2399                                     &ha->login_timeout, &ha->r_a_tov);
2400
2401                                 rval = QLA_SUCCESS;
2402                                 break;
2403                         }
2404
2405                         rval = QLA_FUNCTION_FAILED;
2406
2407                         if (atomic_read(&vha->loop_down_timer) &&
2408                             state[0] != FSTATE_READY) {
2409                                 /* Loop down. Timeout on min_wait for states
2410                                  * other than Wait for Login.
2411                                  */
2412                                 if (time_after_eq(jiffies, mtime)) {
2413                                         ql_log(ql_log_info, vha, 0x8038,
2414                                             "Cable is unplugged...\n");
2415
2416                                         vha->device_flags |= DFLG_NO_CABLE;
2417                                         break;
2418                                 }
2419                         }
2420                 } else {
2421                         /* Mailbox cmd failed. Timeout on min_wait. */
2422                         if (time_after_eq(jiffies, mtime) ||
2423                                 ha->flags.isp82xx_fw_hung)
2424                                 break;
2425                 }
2426
2427                 if (time_after_eq(jiffies, wtime))
2428                         break;
2429
2430                 /* Delay for a while */
2431                 msleep(500);
2432         } while (1);
2433
2434         ql_dbg(ql_dbg_taskm, vha, 0x803a,
2435             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
2436             state[1], state[2], state[3], state[4], state[5], jiffies);
2437
2438         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2439                 ql_log(ql_log_warn, vha, 0x803b,
2440                     "Firmware ready **** FAILED ****.\n");
2441         }
2442
2443         return (rval);
2444 }
2445
2446 /*
2447 *  qla2x00_configure_hba
2448 *      Setup adapter context.
2449 *
2450 * Input:
2451 *      ha = adapter state pointer.
2452 *
2453 * Returns:
2454 *      0 = success
2455 *
2456 * Context:
2457 *      Kernel context.
2458 */
2459 static int
2460 qla2x00_configure_hba(scsi_qla_host_t *vha)
2461 {
2462         int       rval;
2463         uint16_t      loop_id;
2464         uint16_t      topo;
2465         uint16_t      sw_cap;
2466         uint8_t       al_pa;
2467         uint8_t       area;
2468         uint8_t       domain;
2469         char            connect_type[22];
2470         struct qla_hw_data *ha = vha->hw;
2471         unsigned long flags;
2472         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2473
2474         /* Get host addresses. */
2475         rval = qla2x00_get_adapter_id(vha,
2476             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2477         if (rval != QLA_SUCCESS) {
2478                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2479                     IS_CNA_CAPABLE(ha) ||
2480                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2481                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2482                             "Loop is in a transition state.\n");
2483                 } else {
2484                         ql_log(ql_log_warn, vha, 0x2009,
2485                             "Unable to get host loop ID.\n");
2486                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2487                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2488                                 ql_log(ql_log_warn, vha, 0x1151,
2489                                     "Doing link init.\n");
2490                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2491                                         return rval;
2492                         }
2493                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2494                 }
2495                 return (rval);
2496         }
2497
2498         if (topo == 4) {
2499                 ql_log(ql_log_info, vha, 0x200a,
2500                     "Cannot get topology - retrying.\n");
2501                 return (QLA_FUNCTION_FAILED);
2502         }
2503
2504         vha->loop_id = loop_id;
2505
2506         /* initialize */
2507         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2508         ha->operating_mode = LOOP;
2509         ha->switch_cap = 0;
2510
2511         switch (topo) {
2512         case 0:
2513                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2514                 ha->current_topology = ISP_CFG_NL;
2515                 strcpy(connect_type, "(Loop)");
2516                 break;
2517
2518         case 1:
2519                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2520                 ha->switch_cap = sw_cap;
2521                 ha->current_topology = ISP_CFG_FL;
2522                 strcpy(connect_type, "(FL_Port)");
2523                 break;
2524
2525         case 2:
2526                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2527                 ha->operating_mode = P2P;
2528                 ha->current_topology = ISP_CFG_N;
2529                 strcpy(connect_type, "(N_Port-to-N_Port)");
2530                 break;
2531
2532         case 3:
2533                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2534                 ha->switch_cap = sw_cap;
2535                 ha->operating_mode = P2P;
2536                 ha->current_topology = ISP_CFG_F;
2537                 strcpy(connect_type, "(F_Port)");
2538                 break;
2539
2540         default:
2541                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2542                     "HBA in unknown topology %x, using NL.\n", topo);
2543                 ha->current_topology = ISP_CFG_NL;
2544                 strcpy(connect_type, "(Loop)");
2545                 break;
2546         }
2547
2548         /* Save Host port and loop ID. */
2549         /* byte order - Big Endian */
2550         vha->d_id.b.domain = domain;
2551         vha->d_id.b.area = area;
2552         vha->d_id.b.al_pa = al_pa;
2553
2554         spin_lock_irqsave(&ha->vport_slock, flags);
2555         qlt_update_vp_map(vha, SET_AL_PA);
2556         spin_unlock_irqrestore(&ha->vport_slock, flags);
2557
2558         if (!vha->flags.init_done)
2559                 ql_log(ql_log_info, vha, 0x2010,
2560                     "Topology - %s, Host Loop address 0x%x.\n",
2561                     connect_type, vha->loop_id);
2562
2563         return(rval);
2564 }
2565
2566 inline void
2567 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2568         char *def)
2569 {
2570         char *st, *en;
2571         uint16_t index;
2572         struct qla_hw_data *ha = vha->hw;
2573         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2574             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2575
2576         if (memcmp(model, BINZERO, len) != 0) {
2577                 strncpy(ha->model_number, model, len);
2578                 st = en = ha->model_number;
2579                 en += len - 1;
2580                 while (en > st) {
2581                         if (*en != 0x20 && *en != 0x00)
2582                                 break;
2583                         *en-- = '\0';
2584                 }
2585
2586                 index = (ha->pdev->subsystem_device & 0xff);
2587                 if (use_tbl &&
2588                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2589                     index < QLA_MODEL_NAMES)
2590                         strncpy(ha->model_desc,
2591                             qla2x00_model_name[index * 2 + 1],
2592                             sizeof(ha->model_desc) - 1);
2593         } else {
2594                 index = (ha->pdev->subsystem_device & 0xff);
2595                 if (use_tbl &&
2596                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2597                     index < QLA_MODEL_NAMES) {
2598                         strcpy(ha->model_number,
2599                             qla2x00_model_name[index * 2]);
2600                         strncpy(ha->model_desc,
2601                             qla2x00_model_name[index * 2 + 1],
2602                             sizeof(ha->model_desc) - 1);
2603                 } else {
2604                         strcpy(ha->model_number, def);
2605                 }
2606         }
2607         if (IS_FWI2_CAPABLE(ha))
2608                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2609                     sizeof(ha->model_desc));
2610 }
2611
2612 /* On sparc systems, obtain port and node WWN from firmware
2613  * properties.
2614  */
2615 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2616 {
2617 #ifdef CONFIG_SPARC
2618         struct qla_hw_data *ha = vha->hw;
2619         struct pci_dev *pdev = ha->pdev;
2620         struct device_node *dp = pci_device_to_OF_node(pdev);
2621         const u8 *val;
2622         int len;
2623
2624         val = of_get_property(dp, "port-wwn", &len);
2625         if (val && len >= WWN_SIZE)
2626                 memcpy(nv->port_name, val, WWN_SIZE);
2627
2628         val = of_get_property(dp, "node-wwn", &len);
2629         if (val && len >= WWN_SIZE)
2630                 memcpy(nv->node_name, val, WWN_SIZE);
2631 #endif
2632 }
2633
2634 /*
2635 * NVRAM configuration for ISP 2xxx
2636 *
2637 * Input:
2638 *      ha                = adapter block pointer.
2639 *
2640 * Output:
2641 *      initialization control block in response_ring
2642 *      host adapters parameters in host adapter block
2643 *
2644 * Returns:
2645 *      0 = success.
2646 */
2647 int
2648 qla2x00_nvram_config(scsi_qla_host_t *vha)
2649 {
2650         int             rval;
2651         uint8_t         chksum = 0;
2652         uint16_t        cnt;
2653         uint8_t         *dptr1, *dptr2;
2654         struct qla_hw_data *ha = vha->hw;
2655         init_cb_t       *icb = ha->init_cb;
2656         nvram_t         *nv = ha->nvram;
2657         uint8_t         *ptr = ha->nvram;
2658         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2659
2660         rval = QLA_SUCCESS;
2661
2662         /* Determine NVRAM starting address. */
2663         ha->nvram_size = sizeof(nvram_t);
2664         ha->nvram_base = 0;
2665         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2666                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2667                         ha->nvram_base = 0x80;
2668
2669         /* Get NVRAM data and calculate checksum. */
2670         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2671         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2672                 chksum += *ptr++;
2673
2674         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2675             "Contents of NVRAM.\n");
2676         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2677             (uint8_t *)nv, ha->nvram_size);
2678
2679         /* Bad NVRAM data, set defaults parameters. */
2680         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2681             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2682                 /* Reset NVRAM data. */
2683                 ql_log(ql_log_warn, vha, 0x0064,
2684                     "Inconsistent NVRAM "
2685                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2686                     chksum, nv->id[0], nv->nvram_version);
2687                 ql_log(ql_log_warn, vha, 0x0065,
2688                     "Falling back to "
2689                     "functioning (yet invalid -- WWPN) defaults.\n");
2690
2691                 /*
2692                  * Set default initialization control block.
2693                  */
2694                 memset(nv, 0, ha->nvram_size);
2695                 nv->parameter_block_version = ICB_VERSION;
2696
2697                 if (IS_QLA23XX(ha)) {
2698                         nv->firmware_options[0] = BIT_2 | BIT_1;
2699                         nv->firmware_options[1] = BIT_7 | BIT_5;
2700                         nv->add_firmware_options[0] = BIT_5;
2701                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2702                         nv->frame_payload_size = 2048;
2703                         nv->special_options[1] = BIT_7;
2704                 } else if (IS_QLA2200(ha)) {
2705                         nv->firmware_options[0] = BIT_2 | BIT_1;
2706                         nv->firmware_options[1] = BIT_7 | BIT_5;
2707                         nv->add_firmware_options[0] = BIT_5;
2708                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2709                         nv->frame_payload_size = 1024;
2710                 } else if (IS_QLA2100(ha)) {
2711                         nv->firmware_options[0] = BIT_3 | BIT_1;
2712                         nv->firmware_options[1] = BIT_5;
2713                         nv->frame_payload_size = 1024;
2714                 }
2715
2716                 nv->max_iocb_allocation = cpu_to_le16(256);
2717                 nv->execution_throttle = cpu_to_le16(16);
2718                 nv->retry_count = 8;
2719                 nv->retry_delay = 1;
2720
2721                 nv->port_name[0] = 33;
2722                 nv->port_name[3] = 224;
2723                 nv->port_name[4] = 139;
2724
2725                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2726
2727                 nv->login_timeout = 4;
2728
2729                 /*
2730                  * Set default host adapter parameters
2731                  */
2732                 nv->host_p[1] = BIT_2;
2733                 nv->reset_delay = 5;
2734                 nv->port_down_retry_count = 8;
2735                 nv->max_luns_per_target = cpu_to_le16(8);
2736                 nv->link_down_timeout = 60;
2737
2738                 rval = 1;
2739         }
2740
2741 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2742         /*
2743          * The SN2 does not provide BIOS emulation which means you can't change
2744          * potentially bogus BIOS settings. Force the use of default settings
2745          * for link rate and frame size.  Hope that the rest of the settings
2746          * are valid.
2747          */
2748         if (ia64_platform_is("sn2")) {
2749                 nv->frame_payload_size = 2048;
2750                 if (IS_QLA23XX(ha))
2751                         nv->special_options[1] = BIT_7;
2752         }
2753 #endif
2754
2755         /* Reset Initialization control block */
2756         memset(icb, 0, ha->init_cb_size);
2757
2758         /*
2759          * Setup driver NVRAM options.
2760          */
2761         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2762         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2763         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2764         nv->firmware_options[1] &= ~BIT_4;
2765
2766         if (IS_QLA23XX(ha)) {
2767                 nv->firmware_options[0] |= BIT_2;
2768                 nv->firmware_options[0] &= ~BIT_3;
2769                 nv->special_options[0] &= ~BIT_6;
2770                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2771
2772                 if (IS_QLA2300(ha)) {
2773                         if (ha->fb_rev == FPM_2310) {
2774                                 strcpy(ha->model_number, "QLA2310");
2775                         } else {
2776                                 strcpy(ha->model_number, "QLA2300");
2777                         }
2778                 } else {
2779                         qla2x00_set_model_info(vha, nv->model_number,
2780                             sizeof(nv->model_number), "QLA23xx");
2781                 }
2782         } else if (IS_QLA2200(ha)) {
2783                 nv->firmware_options[0] |= BIT_2;
2784                 /*
2785                  * 'Point-to-point preferred, else loop' is not a safe
2786                  * connection mode setting.
2787                  */
2788                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2789                     (BIT_5 | BIT_4)) {
2790                         /* Force 'loop preferred, else point-to-point'. */
2791                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2792                         nv->add_firmware_options[0] |= BIT_5;
2793                 }
2794                 strcpy(ha->model_number, "QLA22xx");
2795         } else /*if (IS_QLA2100(ha))*/ {
2796                 strcpy(ha->model_number, "QLA2100");
2797         }
2798
2799         /*
2800          * Copy over NVRAM RISC parameter block to initialization control block.
2801          */
2802         dptr1 = (uint8_t *)icb;
2803         dptr2 = (uint8_t *)&nv->parameter_block_version;
2804         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2805         while (cnt--)
2806                 *dptr1++ = *dptr2++;
2807
2808         /* Copy 2nd half. */
2809         dptr1 = (uint8_t *)icb->add_firmware_options;
2810         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2811         while (cnt--)
2812                 *dptr1++ = *dptr2++;
2813
2814         /* Use alternate WWN? */
2815         if (nv->host_p[1] & BIT_7) {
2816                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2817                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2818         }
2819
2820         /* Prepare nodename */
2821         if ((icb->firmware_options[1] & BIT_6) == 0) {
2822                 /*
2823                  * Firmware will apply the following mask if the nodename was
2824                  * not provided.
2825                  */
2826                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2827                 icb->node_name[0] &= 0xF0;
2828         }
2829
2830         /*
2831          * Set host adapter parameters.
2832          */
2833
2834         /*
2835          * BIT_7 in the host-parameters section allows for modification to
2836          * internal driver logging.
2837          */
2838         if (nv->host_p[0] & BIT_7)
2839                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2840         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2841         /* Always load RISC code on non ISP2[12]00 chips. */
2842         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2843                 ha->flags.disable_risc_code_load = 0;
2844         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2845         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2846         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2847         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2848         ha->flags.disable_serdes = 0;
2849
2850         ha->operating_mode =
2851             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2852
2853         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2854             sizeof(ha->fw_seriallink_options));
2855
2856         /* save HBA serial number */
2857         ha->serial0 = icb->port_name[5];
2858         ha->serial1 = icb->port_name[6];
2859         ha->serial2 = icb->port_name[7];
2860         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2861         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2862
2863         icb->execution_throttle = cpu_to_le16(0xFFFF);
2864
2865         ha->retry_count = nv->retry_count;
2866
2867         /* Set minimum login_timeout to 4 seconds. */
2868         if (nv->login_timeout != ql2xlogintimeout)
2869                 nv->login_timeout = ql2xlogintimeout;
2870         if (nv->login_timeout < 4)
2871                 nv->login_timeout = 4;
2872         ha->login_timeout = nv->login_timeout;
2873
2874         /* Set minimum RATOV to 100 tenths of a second. */
2875         ha->r_a_tov = 100;
2876
2877         ha->loop_reset_delay = nv->reset_delay;
2878
2879         /* Link Down Timeout = 0:
2880          *
2881          *      When Port Down timer expires we will start returning
2882          *      I/O's to OS with "DID_NO_CONNECT".
2883          *
2884          * Link Down Timeout != 0:
2885          *
2886          *       The driver waits for the link to come up after link down
2887          *       before returning I/Os to OS with "DID_NO_CONNECT".
2888          */
2889         if (nv->link_down_timeout == 0) {
2890                 ha->loop_down_abort_time =
2891                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2892         } else {
2893                 ha->link_down_timeout =  nv->link_down_timeout;
2894                 ha->loop_down_abort_time =
2895                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2896         }
2897
2898         /*
2899          * Need enough time to try and get the port back.
2900          */
2901         ha->port_down_retry_count = nv->port_down_retry_count;
2902         if (qlport_down_retry)
2903                 ha->port_down_retry_count = qlport_down_retry;
2904         /* Set login_retry_count */
2905         ha->login_retry_count  = nv->retry_count;
2906         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2907             ha->port_down_retry_count > 3)
2908                 ha->login_retry_count = ha->port_down_retry_count;
2909         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2910                 ha->login_retry_count = ha->port_down_retry_count;
2911         if (ql2xloginretrycount)
2912                 ha->login_retry_count = ql2xloginretrycount;
2913
2914         icb->lun_enables = cpu_to_le16(0);
2915         icb->command_resource_count = 0;
2916         icb->immediate_notify_resource_count = 0;
2917         icb->timeout = cpu_to_le16(0);
2918
2919         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2920                 /* Enable RIO */
2921                 icb->firmware_options[0] &= ~BIT_3;
2922                 icb->add_firmware_options[0] &=
2923                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2924                 icb->add_firmware_options[0] |= BIT_2;
2925                 icb->response_accumulation_timer = 3;
2926                 icb->interrupt_delay_timer = 5;
2927
2928                 vha->flags.process_response_queue = 1;
2929         } else {
2930                 /* Enable ZIO. */
2931                 if (!vha->flags.init_done) {
2932                         ha->zio_mode = icb->add_firmware_options[0] &
2933                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2934                         ha->zio_timer = icb->interrupt_delay_timer ?
2935                             icb->interrupt_delay_timer: 2;
2936                 }
2937                 icb->add_firmware_options[0] &=
2938                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2939                 vha->flags.process_response_queue = 0;
2940                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2941                         ha->zio_mode = QLA_ZIO_MODE_6;
2942
2943                         ql_log(ql_log_info, vha, 0x0068,
2944                             "ZIO mode %d enabled; timer delay (%d us).\n",
2945                             ha->zio_mode, ha->zio_timer * 100);
2946
2947                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2948                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2949                         vha->flags.process_response_queue = 1;
2950                 }
2951         }
2952
2953         if (rval) {
2954                 ql_log(ql_log_warn, vha, 0x0069,
2955                     "NVRAM configuration failed.\n");
2956         }
2957         return (rval);
2958 }
2959
2960 static void
2961 qla2x00_rport_del(void *data)
2962 {
2963         fc_port_t *fcport = data;
2964         struct fc_rport *rport;
2965         unsigned long flags;
2966
2967         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2968         rport = fcport->drport ? fcport->drport: fcport->rport;
2969         fcport->drport = NULL;
2970         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2971         if (rport)
2972                 fc_remote_port_delete(rport);
2973 }
2974
2975 /**
2976  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2977  * @ha: HA context
2978  * @flags: allocation flags
2979  *
2980  * Returns a pointer to the allocated fcport, or NULL, if none available.
2981  */
2982 fc_port_t *
2983 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2984 {
2985         fc_port_t *fcport;
2986
2987         fcport = kzalloc(sizeof(fc_port_t), flags);
2988         if (!fcport)
2989                 return NULL;
2990
2991         /* Setup fcport template structure. */
2992         fcport->vha = vha;
2993         fcport->port_type = FCT_UNKNOWN;
2994         fcport->loop_id = FC_NO_LOOP_ID;
2995         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2996         fcport->supported_classes = FC_COS_UNSPECIFIED;
2997
2998         return fcport;
2999 }
3000
3001 /*
3002  * qla2x00_configure_loop
3003  *      Updates Fibre Channel Device Database with what is actually on loop.
3004  *
3005  * Input:
3006  *      ha                = adapter block pointer.
3007  *
3008  * Returns:
3009  *      0 = success.
3010  *      1 = error.
3011  *      2 = database was full and device was not configured.
3012  */
3013 static int
3014 qla2x00_configure_loop(scsi_qla_host_t *vha)
3015 {
3016         int  rval;
3017         unsigned long flags, save_flags;
3018         struct qla_hw_data *ha = vha->hw;
3019         rval = QLA_SUCCESS;
3020
3021         /* Get Initiator ID */
3022         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
3023                 rval = qla2x00_configure_hba(vha);
3024                 if (rval != QLA_SUCCESS) {
3025                         ql_dbg(ql_dbg_disc, vha, 0x2013,
3026                             "Unable to configure HBA.\n");
3027                         return (rval);
3028                 }
3029         }
3030
3031         save_flags = flags = vha->dpc_flags;
3032         ql_dbg(ql_dbg_disc, vha, 0x2014,
3033             "Configure loop -- dpc flags = 0x%lx.\n", flags);
3034
3035         /*
3036          * If we have both an RSCN and PORT UPDATE pending then handle them
3037          * both at the same time.
3038          */
3039         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3040         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
3041
3042         qla2x00_get_data_rate(vha);
3043
3044         /* Determine what we need to do */
3045         if (ha->current_topology == ISP_CFG_FL &&
3046             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3047
3048                 set_bit(RSCN_UPDATE, &flags);
3049
3050         } else if (ha->current_topology == ISP_CFG_F &&
3051             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3052
3053                 set_bit(RSCN_UPDATE, &flags);
3054                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
3055
3056         } else if (ha->current_topology == ISP_CFG_N) {
3057                 clear_bit(RSCN_UPDATE, &flags);
3058
3059         } else if (!vha->flags.online ||
3060             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
3061
3062                 set_bit(RSCN_UPDATE, &flags);
3063                 set_bit(LOCAL_LOOP_UPDATE, &flags);
3064         }
3065
3066         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
3067                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3068                         ql_dbg(ql_dbg_disc, vha, 0x2015,
3069                             "Loop resync needed, failing.\n");
3070                         rval = QLA_FUNCTION_FAILED;
3071                 } else
3072                         rval = qla2x00_configure_local_loop(vha);
3073         }
3074
3075         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
3076                 if (LOOP_TRANSITION(vha)) {
3077                         ql_dbg(ql_dbg_disc, vha, 0x201e,
3078                             "Needs RSCN update and loop transition.\n");
3079                         rval = QLA_FUNCTION_FAILED;
3080                 }
3081                 else
3082                         rval = qla2x00_configure_fabric(vha);
3083         }
3084
3085         if (rval == QLA_SUCCESS) {
3086                 if (atomic_read(&vha->loop_down_timer) ||
3087                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3088                         rval = QLA_FUNCTION_FAILED;
3089                 } else {
3090                         atomic_set(&vha->loop_state, LOOP_READY);
3091                         ql_dbg(ql_dbg_disc, vha, 0x2069,
3092                             "LOOP READY.\n");
3093
3094                         /*
3095                          * Process any ATIO queue entries that came in
3096                          * while we weren't online.
3097                          */
3098                         if (qla_tgt_mode_enabled(vha)) {
3099                                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha)) {
3100                                         spin_lock_irqsave(&ha->tgt.atio_lock,
3101                                             flags);
3102                                         qlt_24xx_process_atio_queue(vha, 0);
3103                                         spin_unlock_irqrestore(
3104                                             &ha->tgt.atio_lock, flags);
3105                                 } else {
3106                                         spin_lock_irqsave(&ha->hardware_lock,
3107                                             flags);
3108                                         qlt_24xx_process_atio_queue(vha, 1);
3109                                         spin_unlock_irqrestore(
3110                                             &ha->hardware_lock, flags);
3111                                 }
3112                         }
3113                 }
3114         }
3115
3116         if (rval) {
3117                 ql_dbg(ql_dbg_disc, vha, 0x206a,
3118                     "%s *** FAILED ***.\n", __func__);
3119         } else {
3120                 ql_dbg(ql_dbg_disc, vha, 0x206b,
3121                     "%s: exiting normally.\n", __func__);
3122         }
3123
3124         /* Restore state if a resync event occurred during processing */
3125         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3126                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
3127                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3128                 if (test_bit(RSCN_UPDATE, &save_flags)) {
3129                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
3130                 }
3131         }
3132
3133         return (rval);
3134 }
3135
3136
3137
3138 /*
3139  * qla2x00_configure_local_loop
3140  *      Updates Fibre Channel Device Database with local loop devices.
3141  *
3142  * Input:
3143  *      ha = adapter block pointer.
3144  *
3145  * Returns:
3146  *      0 = success.
3147  */
3148 static int
3149 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
3150 {
3151         int             rval, rval2;
3152         int             found_devs;
3153         int             found;
3154         fc_port_t       *fcport, *new_fcport;
3155
3156         uint16_t        index;
3157         uint16_t        entries;
3158         char            *id_iter;
3159         uint16_t        loop_id;
3160         uint8_t         domain, area, al_pa;
3161         struct qla_hw_data *ha = vha->hw;
3162
3163         found_devs = 0;
3164         new_fcport = NULL;
3165         entries = MAX_FIBRE_DEVICES_LOOP;
3166
3167         /* Get list of logged in devices. */
3168         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
3169         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
3170             &entries);
3171         if (rval != QLA_SUCCESS)
3172                 goto cleanup_allocation;
3173
3174         ql_dbg(ql_dbg_disc, vha, 0x2017,
3175             "Entries in ID list (%d).\n", entries);
3176         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
3177             (uint8_t *)ha->gid_list,
3178             entries * sizeof(struct gid_list_info));
3179
3180         /* Allocate temporary fcport for any new fcports discovered. */
3181         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3182         if (new_fcport == NULL) {
3183                 ql_log(ql_log_warn, vha, 0x2018,
3184                     "Memory allocation failed for fcport.\n");
3185                 rval = QLA_MEMORY_ALLOC_FAILED;
3186                 goto cleanup_allocation;
3187         }
3188         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3189
3190         /*
3191          * Mark local devices that were present with FCF_DEVICE_LOST for now.
3192          */
3193         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3194                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
3195                     fcport->port_type != FCT_BROADCAST &&
3196                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3197
3198                         ql_dbg(ql_dbg_disc, vha, 0x2019,
3199                             "Marking port lost loop_id=0x%04x.\n",
3200                             fcport->loop_id);
3201
3202                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3203                 }
3204         }
3205
3206         /* Add devices to port list. */
3207         id_iter = (char *)ha->gid_list;
3208         for (index = 0; index < entries; index++) {
3209                 domain = ((struct gid_list_info *)id_iter)->domain;
3210                 area = ((struct gid_list_info *)id_iter)->area;
3211                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
3212                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
3213                         loop_id = (uint16_t)
3214                             ((struct gid_list_info *)id_iter)->loop_id_2100;
3215                 else
3216                         loop_id = le16_to_cpu(
3217                             ((struct gid_list_info *)id_iter)->loop_id);
3218                 id_iter += ha->gid_list_info_size;
3219
3220                 /* Bypass reserved domain fields. */
3221                 if ((domain & 0xf0) == 0xf0)
3222                         continue;
3223
3224                 /* Bypass if not same domain and area of adapter. */
3225                 if (area && domain &&
3226                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
3227                         continue;
3228
3229                 /* Bypass invalid local loop ID. */
3230                 if (loop_id > LAST_LOCAL_LOOP_ID)
3231                         continue;
3232
3233                 memset(new_fcport, 0, sizeof(fc_port_t));
3234
3235                 /* Fill in member data. */
3236                 new_fcport->d_id.b.domain = domain;
3237                 new_fcport->d_id.b.area = area;
3238                 new_fcport->d_id.b.al_pa = al_pa;
3239                 new_fcport->loop_id = loop_id;
3240                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
3241                 if (rval2 != QLA_SUCCESS) {
3242                         ql_dbg(ql_dbg_disc, vha, 0x201a,
3243                             "Failed to retrieve fcport information "
3244                             "-- get_port_database=%x, loop_id=0x%04x.\n",
3245                             rval2, new_fcport->loop_id);
3246                         ql_dbg(ql_dbg_disc, vha, 0x201b,
3247                             "Scheduling resync.\n");
3248                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3249                         continue;
3250                 }
3251
3252                 /* Check for matching device in port list. */
3253                 found = 0;
3254                 fcport = NULL;
3255                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3256                         if (memcmp(new_fcport->port_name, fcport->port_name,
3257                             WWN_SIZE))
3258                                 continue;
3259
3260                         fcport->flags &= ~FCF_FABRIC_DEVICE;
3261                         fcport->loop_id = new_fcport->loop_id;
3262                         fcport->port_type = new_fcport->port_type;
3263                         fcport->d_id.b24 = new_fcport->d_id.b24;
3264                         memcpy(fcport->node_name, new_fcport->node_name,
3265                             WWN_SIZE);
3266
3267                         found++;
3268                         break;
3269                 }
3270
3271                 if (!found) {
3272                         /* New device, add to fcports list. */
3273                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
3274
3275                         /* Allocate a new replacement fcport. */
3276                         fcport = new_fcport;
3277                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3278                         if (new_fcport == NULL) {
3279                                 ql_log(ql_log_warn, vha, 0x201c,
3280                                     "Failed to allocate memory for fcport.\n");
3281                                 rval = QLA_MEMORY_ALLOC_FAILED;
3282                                 goto cleanup_allocation;
3283                         }
3284                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3285                 }
3286
3287                 /* Base iIDMA settings on HBA port speed. */
3288                 fcport->fp_speed = ha->link_data_rate;
3289
3290                 qla2x00_update_fcport(vha, fcport);
3291
3292                 found_devs++;
3293         }
3294
3295 cleanup_allocation:
3296         kfree(new_fcport);
3297
3298         if (rval != QLA_SUCCESS) {
3299                 ql_dbg(ql_dbg_disc, vha, 0x201d,
3300                     "Configure local loop error exit: rval=%x.\n", rval);
3301         }
3302
3303         return (rval);
3304 }
3305
3306 static void
3307 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3308 {
3309         int rval;
3310         uint16_t mb[MAILBOX_REGISTER_COUNT];
3311         struct qla_hw_data *ha = vha->hw;
3312
3313         if (!IS_IIDMA_CAPABLE(ha))
3314                 return;
3315
3316         if (atomic_read(&fcport->state) != FCS_ONLINE)
3317                 return;
3318
3319         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3320             fcport->fp_speed > ha->link_data_rate)
3321                 return;
3322
3323         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3324             mb);
3325         if (rval != QLA_SUCCESS) {
3326                 ql_dbg(ql_dbg_disc, vha, 0x2004,
3327                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
3328                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
3329         } else {
3330                 ql_dbg(ql_dbg_disc, vha, 0x2005,
3331                     "iIDMA adjusted to %s GB/s on %8phN.\n",
3332                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3333                     fcport->port_name);
3334         }
3335 }
3336
3337 static void
3338 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3339 {
3340         struct fc_rport_identifiers rport_ids;
3341         struct fc_rport *rport;
3342         unsigned long flags;
3343
3344         rport_ids.node_name = wwn_to_u64(fcport->node_name);
3345         rport_ids.port_name = wwn_to_u64(fcport->port_name);
3346         rport_ids.port_id = fcport->d_id.b.domain << 16 |
3347             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3348         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3349         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3350         if (!rport) {
3351                 ql_log(ql_log_warn, vha, 0x2006,
3352                     "Unable to allocate fc remote port.\n");
3353                 return;
3354         }
3355         /*
3356          * Create target mode FC NEXUS in qla_target.c if target mode is
3357          * enabled..
3358          */
3359
3360         qlt_fc_port_added(vha, fcport);
3361
3362         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3363         *((fc_port_t **)rport->dd_data) = fcport;
3364         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3365
3366         rport->supported_classes = fcport->supported_classes;
3367
3368         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3369         if (fcport->port_type == FCT_INITIATOR)
3370                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3371         if (fcport->port_type == FCT_TARGET)
3372                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3373         fc_remote_port_rolechg(rport, rport_ids.roles);
3374 }
3375
3376 /*
3377  * qla2x00_update_fcport
3378  *      Updates device on list.
3379  *
3380  * Input:
3381  *      ha = adapter block pointer.
3382  *      fcport = port structure pointer.
3383  *
3384  * Return:
3385  *      0  - Success
3386  *  BIT_0 - error
3387  *
3388  * Context:
3389  *      Kernel context.
3390  */
3391 void
3392 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3393 {
3394         fcport->vha = vha;
3395
3396         if (IS_QLAFX00(vha->hw)) {
3397                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3398                 goto reg_port;
3399         }
3400         fcport->login_retry = 0;
3401         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3402
3403         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3404         qla2x00_iidma_fcport(vha, fcport);
3405         qla24xx_update_fcport_fcp_prio(vha, fcport);
3406
3407 reg_port:
3408         if (qla_ini_mode_enabled(vha))
3409                 qla2x00_reg_remote_port(vha, fcport);
3410         else {
3411                 /*
3412                  * Create target mode FC NEXUS in qla_target.c
3413                  */
3414                 qlt_fc_port_added(vha, fcport);
3415         }
3416 }
3417
3418 /*
3419  * qla2x00_configure_fabric
3420  *      Setup SNS devices with loop ID's.
3421  *
3422  * Input:
3423  *      ha = adapter block pointer.
3424  *
3425  * Returns:
3426  *      0 = success.
3427  *      BIT_0 = error
3428  */
3429 static int
3430 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3431 {
3432         int     rval;
3433         fc_port_t       *fcport, *fcptemp;
3434         uint16_t        next_loopid;
3435         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3436         uint16_t        loop_id;
3437         LIST_HEAD(new_fcports);
3438         struct qla_hw_data *ha = vha->hw;
3439         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3440         int             discovery_gen;
3441
3442         /* If FL port exists, then SNS is present */
3443         if (IS_FWI2_CAPABLE(ha))
3444                 loop_id = NPH_F_PORT;
3445         else
3446                 loop_id = SNS_FL_PORT;
3447         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3448         if (rval != QLA_SUCCESS) {
3449                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3450                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3451
3452                 vha->device_flags &= ~SWITCH_FOUND;
3453                 return (QLA_SUCCESS);
3454         }
3455         vha->device_flags |= SWITCH_FOUND;
3456
3457         do {
3458                 /* FDMI support. */
3459                 if (ql2xfdmienable &&
3460                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3461                         qla2x00_fdmi_register(vha);
3462
3463                 /* Ensure we are logged into the SNS. */
3464                 if (IS_FWI2_CAPABLE(ha))
3465                         loop_id = NPH_SNS;
3466                 else
3467                         loop_id = SIMPLE_NAME_SERVER;
3468                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3469                     0xfc, mb, BIT_1|BIT_0);
3470                 if (rval != QLA_SUCCESS) {
3471                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3472                         return rval;
3473                 }
3474                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3475                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3476                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3477                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3478                             mb[2], mb[6], mb[7]);
3479                         return (QLA_SUCCESS);
3480                 }
3481
3482                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3483                         if (qla2x00_rft_id(vha)) {
3484                                 /* EMPTY */
3485                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3486                                     "Register FC-4 TYPE failed.\n");
3487                         }
3488                         if (qla2x00_rff_id(vha)) {
3489                                 /* EMPTY */
3490                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3491                                     "Register FC-4 Features failed.\n");
3492                         }
3493                         if (qla2x00_rnn_id(vha)) {
3494                                 /* EMPTY */
3495                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3496                                     "Register Node Name failed.\n");
3497                         } else if (qla2x00_rsnn_nn(vha)) {
3498                                 /* EMPTY */
3499                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3500                                     "Register Symobilic Node Name failed.\n");
3501                         }
3502                 }
3503
3504 #define QLA_FCPORT_SCAN         1
3505 #define QLA_FCPORT_FOUND        2
3506
3507                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3508                         fcport->scan_state = QLA_FCPORT_SCAN;
3509                 }
3510
3511                 /* Mark the time right before querying FW for connected ports.
3512                  * This process is long, asynchronous and by the time it's done,
3513                  * collected information might not be accurate anymore. E.g.
3514                  * disconnected port might have re-connected and a brand new
3515                  * session has been created. In this case session's generation
3516                  * will be newer than discovery_gen. */
3517                 qlt_do_generation_tick(vha, &discovery_gen);
3518
3519                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3520                 if (rval != QLA_SUCCESS)
3521                         break;
3522
3523                 /*
3524                  * Logout all previous fabric devices marked lost, except
3525                  * FCP2 devices.
3526                  */
3527                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3528                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3529                                 break;
3530
3531                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3532                                 continue;
3533
3534                         if (fcport->scan_state == QLA_FCPORT_SCAN) {
3535                                 if (qla_ini_mode_enabled(base_vha) &&
3536                                     atomic_read(&fcport->state) == FCS_ONLINE) {
3537                                         qla2x00_mark_device_lost(vha, fcport,
3538                                             ql2xplogiabsentdevice, 0);
3539                                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3540                                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3541                                             fcport->port_type != FCT_INITIATOR &&
3542                                             fcport->port_type != FCT_BROADCAST) {
3543                                                 ha->isp_ops->fabric_logout(vha,
3544                                                     fcport->loop_id,
3545                                                     fcport->d_id.b.domain,
3546                                                     fcport->d_id.b.area,
3547                                                     fcport->d_id.b.al_pa);
3548                                                 qla2x00_clear_loop_id(fcport);
3549                                         }
3550                                 } else if (!qla_ini_mode_enabled(base_vha)) {
3551                                         /*
3552                                          * In target mode, explicitly kill
3553                                          * sessions and log out of devices
3554                                          * that are gone, so that we don't
3555                                          * end up with an initiator using the
3556                                          * wrong ACL (if the fabric recycles
3557                                          * an FC address and we have a stale
3558                                          * session around) and so that we don't
3559                                          * report initiators that are no longer
3560                                          * on the fabric.
3561                                          */
3562                                         ql_dbg(ql_dbg_tgt_mgt, vha, 0xf077,
3563                                             "port gone, logging out/killing session: "
3564                                             "%8phC state 0x%x flags 0x%x fc4_type 0x%x "
3565                                             "scan_state %d\n",
3566                                             fcport->port_name,
3567                                             atomic_read(&fcport->state),
3568                                             fcport->flags, fcport->fc4_type,
3569                                             fcport->scan_state);
3570                                         qlt_fc_port_deleted(vha, fcport,
3571                                             discovery_gen);
3572                                 }
3573                         }
3574                 }
3575
3576                 /* Starting free loop ID. */
3577                 next_loopid = ha->min_external_loopid;
3578
3579                 /*
3580                  * Scan through our port list and login entries that need to be
3581                  * logged in.
3582                  */
3583                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3584                         if (atomic_read(&vha->loop_down_timer) ||
3585                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3586                                 break;
3587
3588                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3589                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3590                                 continue;
3591
3592                         /*
3593                          * If we're not an initiator, skip looking for devices
3594                          * and logging in.  There's no reason for us to do it,
3595                          * and it seems to actively cause problems in target
3596                          * mode if we race with the initiator logging into us
3597                          * (we might get the "port ID used" status back from
3598                          * our login command and log out the initiator, which
3599                          * seems to cause havoc).
3600                          */
3601                         if (!qla_ini_mode_enabled(base_vha)) {
3602                                 if (fcport->scan_state == QLA_FCPORT_FOUND) {
3603                                         ql_dbg(ql_dbg_tgt_mgt, vha, 0xf078,
3604                                             "port %8phC state 0x%x flags 0x%x fc4_type 0x%x "
3605                                             "scan_state %d (initiator mode disabled; skipping "
3606                                             "login)\n", fcport->port_name,
3607                                             atomic_read(&fcport->state),
3608                                             fcport->flags, fcport->fc4_type,
3609                                             fcport->scan_state);
3610                                 }
3611                                 continue;
3612                         }
3613
3614                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3615                                 fcport->loop_id = next_loopid;
3616                                 rval = qla2x00_find_new_loop_id(
3617                                     base_vha, fcport);
3618                                 if (rval != QLA_SUCCESS) {
3619                                         /* Ran out of IDs to use */
3620                                         break;
3621                                 }
3622                         }
3623                         /* Login and update database */
3624                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3625                 }
3626
3627                 /* Exit if out of loop IDs. */
3628                 if (rval != QLA_SUCCESS) {
3629                         break;
3630                 }
3631
3632                 /*
3633                  * Login and add the new devices to our port list.
3634                  */
3635                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3636                         if (atomic_read(&vha->loop_down_timer) ||
3637                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3638                                 break;
3639
3640                         /*
3641                          * If we're not an initiator, skip looking for devices
3642                          * and logging in.  There's no reason for us to do it,
3643                          * and it seems to actively cause problems in target
3644                          * mode if we race with the initiator logging into us
3645                          * (we might get the "port ID used" status back from
3646                          * our login command and log out the initiator, which
3647                          * seems to cause havoc).
3648                          */
3649                         if (qla_ini_mode_enabled(base_vha)) {
3650                                 /* Find a new loop ID to use. */
3651                                 fcport->loop_id = next_loopid;
3652                                 rval = qla2x00_find_new_loop_id(base_vha,
3653                                     fcport);
3654                                 if (rval != QLA_SUCCESS) {
3655                                         /* Ran out of IDs to use */
3656                                         break;
3657                                 }
3658
3659                                 /* Login and update database */
3660                                 qla2x00_fabric_dev_login(vha, fcport,
3661                                     &next_loopid);
3662                         } else {
3663                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf079,
3664                                         "new port %8phC state 0x%x flags 0x%x fc4_type "
3665                                         "0x%x scan_state %d (initiator mode disabled; "
3666                                         "skipping login)\n",
3667                                         fcport->port_name,
3668                                         atomic_read(&fcport->state),
3669                                         fcport->flags, fcport->fc4_type,
3670                                         fcport->scan_state);
3671                         }
3672
3673                         list_move_tail(&fcport->list, &vha->vp_fcports);
3674                 }
3675         } while (0);
3676
3677         /* Free all new device structures not processed. */
3678         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3679                 list_del(&fcport->list);
3680                 kfree(fcport);
3681         }
3682
3683         if (rval) {
3684                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3685                     "Configure fabric error exit rval=%d.\n", rval);
3686         }
3687
3688         return (rval);
3689 }
3690
3691 /*
3692  * qla2x00_find_all_fabric_devs
3693  *
3694  * Input:
3695  *      ha = adapter block pointer.
3696  *      dev = database device entry pointer.
3697  *
3698  * Returns:
3699  *      0 = success.
3700  *
3701  * Context:
3702  *      Kernel context.
3703  */
3704 static int
3705 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3706         struct list_head *new_fcports)
3707 {
3708         int             rval;
3709         uint16_t        loop_id;
3710         fc_port_t       *fcport, *new_fcport, *fcptemp;
3711         int             found;
3712
3713         sw_info_t       *swl;
3714         int             swl_idx;
3715         int             first_dev, last_dev;
3716         port_id_t       wrap = {}, nxt_d_id;
3717         struct qla_hw_data *ha = vha->hw;
3718         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3719
3720         rval = QLA_SUCCESS;
3721
3722         /* Try GID_PT to get device list, else GAN. */
3723         if (!ha->swl)
3724                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3725                     GFP_KERNEL);
3726         swl = ha->swl;
3727         if (!swl) {
3728                 /*EMPTY*/
3729                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3730                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3731         } else {
3732                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3733                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3734                         swl = NULL;
3735                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3736                         swl = NULL;
3737                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3738                         swl = NULL;
3739                 } else if (ql2xiidmaenable &&
3740                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3741                         qla2x00_gpsc(vha, swl);
3742                 }
3743
3744                 /* If other queries succeeded probe for FC-4 type */
3745                 if (swl)
3746                         qla2x00_gff_id(vha, swl);
3747         }
3748         swl_idx = 0;
3749
3750         /* Allocate temporary fcport for any new fcports discovered. */
3751         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3752         if (new_fcport == NULL) {
3753                 ql_log(ql_log_warn, vha, 0x205e,
3754                     "Failed to allocate memory for fcport.\n");
3755                 return (QLA_MEMORY_ALLOC_FAILED);
3756         }
3757         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3758         /* Set start port ID scan at adapter ID. */
3759         first_dev = 1;
3760         last_dev = 0;
3761
3762         /* Starting free loop ID. */
3763         loop_id = ha->min_external_loopid;
3764         for (; loop_id <= ha->max_loop_id; loop_id++) {
3765                 if (qla2x00_is_reserved_id(vha, loop_id))
3766                         continue;
3767
3768                 if (ha->current_topology == ISP_CFG_FL &&
3769                     (atomic_read(&vha->loop_down_timer) ||
3770                      LOOP_TRANSITION(vha))) {
3771                         atomic_set(&vha->loop_down_timer, 0);
3772                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3773                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3774                         break;
3775                 }
3776
3777                 if (swl != NULL) {
3778                         if (last_dev) {
3779                                 wrap.b24 = new_fcport->d_id.b24;
3780                         } else {
3781                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3782                                 memcpy(new_fcport->node_name,
3783                                     swl[swl_idx].node_name, WWN_SIZE);
3784                                 memcpy(new_fcport->port_name,
3785                                     swl[swl_idx].port_name, WWN_SIZE);
3786                                 memcpy(new_fcport->fabric_port_name,
3787                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3788                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3789                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3790
3791                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3792                                         last_dev = 1;
3793                                 }
3794                                 swl_idx++;
3795                         }
3796                 } else {
3797                         /* Send GA_NXT to the switch */
3798                         rval = qla2x00_ga_nxt(vha, new_fcport);
3799                         if (rval != QLA_SUCCESS) {
3800                                 ql_log(ql_log_warn, vha, 0x2064,
3801                                     "SNS scan failed -- assuming "
3802                                     "zero-entry result.\n");
3803                                 list_for_each_entry_safe(fcport, fcptemp,
3804                                     new_fcports, list) {
3805                                         list_del(&fcport->list);
3806                                         kfree(fcport);
3807                                 }
3808                                 rval = QLA_SUCCESS;
3809                                 break;
3810                         }
3811                 }
3812
3813                 /* If wrap on switch device list, exit. */
3814                 if (first_dev) {
3815                         wrap.b24 = new_fcport->d_id.b24;
3816                         first_dev = 0;
3817                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3818                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3819                             "Device wrap (%02x%02x%02x).\n",
3820                             new_fcport->d_id.b.domain,
3821                             new_fcport->d_id.b.area,
3822                             new_fcport->d_id.b.al_pa);
3823                         break;
3824                 }
3825
3826                 /* Bypass if same physical adapter. */
3827                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3828                         continue;
3829
3830                 /* Bypass virtual ports of the same host. */
3831                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3832                         continue;
3833
3834                 /* Bypass if same domain and area of adapter. */
3835                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3836                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3837                         ISP_CFG_FL)
3838                             continue;
3839
3840                 /* Bypass reserved domain fields. */
3841                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3842                         continue;
3843
3844                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3845                 if (ql2xgffidenable &&
3846                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3847                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3848                         continue;
3849
3850                 /* Locate matching device in database. */
3851                 found = 0;
3852                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3853                         if (memcmp(new_fcport->port_name, fcport->port_name,
3854                             WWN_SIZE))
3855                                 continue;
3856
3857                         fcport->scan_state = QLA_FCPORT_FOUND;
3858
3859                         found++;
3860
3861                         /* Update port state. */
3862                         memcpy(fcport->fabric_port_name,
3863                             new_fcport->fabric_port_name, WWN_SIZE);
3864                         fcport->fp_speed = new_fcport->fp_speed;
3865
3866                         /*
3867                          * If address the same and state FCS_ONLINE
3868                          * (or in target mode), nothing changed.
3869                          */
3870                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3871                             (atomic_read(&fcport->state) == FCS_ONLINE ||
3872                              !qla_ini_mode_enabled(base_vha))) {
3873                                 break;
3874                         }
3875
3876                         /*
3877                          * If device was not a fabric device before.
3878                          */
3879                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3880                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3881                                 qla2x00_clear_loop_id(fcport);
3882                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3883                                     FCF_LOGIN_NEEDED);
3884                                 break;
3885                         }
3886
3887                         /*
3888                          * Port ID changed or device was marked to be updated;
3889                          * Log it out if still logged in and mark it for
3890                          * relogin later.
3891                          */
3892                         if (!qla_ini_mode_enabled(base_vha)) {
3893                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
3894                                          "port changed FC ID, %8phC"
3895                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
3896                                          fcport->port_name,
3897                                          fcport->d_id.b.domain,
3898                                          fcport->d_id.b.area,
3899                                          fcport->d_id.b.al_pa,
3900                                          fcport->loop_id,
3901                                          new_fcport->d_id.b.domain,
3902                                          new_fcport->d_id.b.area,
3903                                          new_fcport->d_id.b.al_pa);
3904                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3905                                 break;
3906                         }
3907
3908                         fcport->d_id.b24 = new_fcport->d_id.b24;
3909                         fcport->flags |= FCF_LOGIN_NEEDED;
3910                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3911                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3912                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3913                             fcport->port_type != FCT_INITIATOR &&
3914                             fcport->port_type != FCT_BROADCAST) {
3915                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3916                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3917                                     fcport->d_id.b.al_pa);
3918                                 qla2x00_clear_loop_id(fcport);
3919                         }
3920
3921                         break;
3922                 }
3923
3924                 if (found)
3925                         continue;
3926                 /* If device was not in our fcports list, then add it. */
3927                 new_fcport->scan_state = QLA_FCPORT_FOUND;
3928                 list_add_tail(&new_fcport->list, new_fcports);
3929
3930                 /* Allocate a new replacement fcport. */
3931                 nxt_d_id.b24 = new_fcport->d_id.b24;
3932                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3933                 if (new_fcport == NULL) {
3934                         ql_log(ql_log_warn, vha, 0x2066,
3935                             "Memory allocation failed for fcport.\n");
3936                         return (QLA_MEMORY_ALLOC_FAILED);
3937                 }
3938                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3939                 new_fcport->d_id.b24 = nxt_d_id.b24;
3940         }
3941
3942         kfree(new_fcport);
3943
3944         return (rval);
3945 }
3946
3947 /*
3948  * qla2x00_find_new_loop_id
3949  *      Scan through our port list and find a new usable loop ID.
3950  *
3951  * Input:
3952  *      ha:     adapter state pointer.
3953  *      dev:    port structure pointer.
3954  *
3955  * Returns:
3956  *      qla2x00 local function return status code.
3957  *
3958  * Context:
3959  *      Kernel context.
3960  */
3961 int
3962 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3963 {
3964         int     rval;
3965         struct qla_hw_data *ha = vha->hw;
3966         unsigned long flags = 0;
3967
3968         rval = QLA_SUCCESS;
3969
3970         spin_lock_irqsave(&ha->vport_slock, flags);
3971
3972         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3973             LOOPID_MAP_SIZE);
3974         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3975             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3976                 dev->loop_id = FC_NO_LOOP_ID;
3977                 rval = QLA_FUNCTION_FAILED;
3978         } else
3979                 set_bit(dev->loop_id, ha->loop_id_map);
3980
3981         spin_unlock_irqrestore(&ha->vport_slock, flags);
3982
3983         if (rval == QLA_SUCCESS)
3984                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3985                     "Assigning new loopid=%x, portid=%x.\n",
3986                     dev->loop_id, dev->d_id.b24);
3987         else
3988                 ql_log(ql_log_warn, dev->vha, 0x2087,
3989                     "No loop_id's available, portid=%x.\n",
3990                     dev->d_id.b24);
3991
3992         return (rval);
3993 }
3994
3995 /*
3996  * qla2x00_fabric_dev_login
3997  *      Login fabric target device and update FC port database.
3998  *
3999  * Input:
4000  *      ha:             adapter state pointer.
4001  *      fcport:         port structure list pointer.
4002  *      next_loopid:    contains value of a new loop ID that can be used
4003  *                      by the next login attempt.
4004  *
4005  * Returns:
4006  *      qla2x00 local function return status code.
4007  *
4008  * Context:
4009  *      Kernel context.
4010  */
4011 static int
4012 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
4013     uint16_t *next_loopid)
4014 {
4015         int     rval;
4016         uint8_t opts;
4017         struct qla_hw_data *ha = vha->hw;
4018
4019         rval = QLA_SUCCESS;
4020
4021         if (IS_ALOGIO_CAPABLE(ha)) {
4022                 if (fcport->flags & FCF_ASYNC_SENT)
4023                         return rval;
4024                 fcport->flags |= FCF_ASYNC_SENT;
4025                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
4026                 if (!rval)
4027                         return rval;
4028         }
4029
4030         fcport->flags &= ~FCF_ASYNC_SENT;
4031         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
4032         if (rval == QLA_SUCCESS) {
4033                 /* Send an ADISC to FCP2 devices.*/
4034                 opts = 0;
4035                 if (fcport->flags & FCF_FCP2_DEVICE)
4036                         opts |= BIT_1;
4037                 rval = qla2x00_get_port_database(vha, fcport, opts);
4038                 if (rval != QLA_SUCCESS) {
4039                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4040                             fcport->d_id.b.domain, fcport->d_id.b.area,
4041                             fcport->d_id.b.al_pa);
4042                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
4043                 } else {
4044                         qla2x00_update_fcport(vha, fcport);
4045                 }
4046         } else {
4047                 /* Retry Login. */
4048                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
4049         }
4050
4051         return (rval);
4052 }
4053
4054 /*
4055  * qla2x00_fabric_login
4056  *      Issue fabric login command.
4057  *
4058  * Input:
4059  *      ha = adapter block pointer.
4060  *      device = pointer to FC device type structure.
4061  *
4062  * Returns:
4063  *      0 - Login successfully
4064  *      1 - Login failed
4065  *      2 - Initiator device
4066  *      3 - Fatal error
4067  */
4068 int
4069 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
4070     uint16_t *next_loopid)
4071 {
4072         int     rval;
4073         int     retry;
4074         uint16_t tmp_loopid;
4075         uint16_t mb[MAILBOX_REGISTER_COUNT];
4076         struct qla_hw_data *ha = vha->hw;
4077
4078         retry = 0;
4079         tmp_loopid = 0;
4080
4081         for (;;) {
4082                 ql_dbg(ql_dbg_disc, vha, 0x2000,
4083                     "Trying Fabric Login w/loop id 0x%04x for port "
4084                     "%02x%02x%02x.\n",
4085                     fcport->loop_id, fcport->d_id.b.domain,
4086                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
4087
4088                 /* Login fcport on switch. */
4089                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
4090                     fcport->d_id.b.domain, fcport->d_id.b.area,
4091                     fcport->d_id.b.al_pa, mb, BIT_0);
4092                 if (rval != QLA_SUCCESS) {
4093                         return rval;
4094                 }
4095                 if (mb[0] == MBS_PORT_ID_USED) {
4096                         /*
4097                          * Device has another loop ID.  The firmware team
4098                          * recommends the driver perform an implicit login with
4099                          * the specified ID again. The ID we just used is save
4100                          * here so we return with an ID that can be tried by
4101                          * the next login.
4102                          */
4103                         retry++;
4104                         tmp_loopid = fcport->loop_id;
4105                         fcport->loop_id = mb[1];
4106
4107                         ql_dbg(ql_dbg_disc, vha, 0x2001,
4108                             "Fabric Login: port in use - next loop "
4109                             "id=0x%04x, port id= %02x%02x%02x.\n",
4110                             fcport->loop_id, fcport->d_id.b.domain,
4111                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
4112
4113                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
4114                         /*
4115                          * Login succeeded.
4116                          */
4117                         if (retry) {
4118                                 /* A retry occurred before. */
4119                                 *next_loopid = tmp_loopid;
4120                         } else {
4121                                 /*
4122                                  * No retry occurred before. Just increment the
4123                                  * ID value for next login.
4124                                  */
4125                                 *next_loopid = (fcport->loop_id + 1);
4126                         }
4127
4128                         if (mb[1] & BIT_0) {
4129                                 fcport->port_type = FCT_INITIATOR;
4130                         } else {
4131                                 fcport->port_type = FCT_TARGET;
4132                                 if (mb[1] & BIT_1) {
4133                                         fcport->flags |= FCF_FCP2_DEVICE;
4134                                 }
4135                         }
4136
4137                         if (mb[10] & BIT_0)
4138                                 fcport->supported_classes |= FC_COS_CLASS2;
4139                         if (mb[10] & BIT_1)
4140                                 fcport->supported_classes |= FC_COS_CLASS3;
4141
4142                         if (IS_FWI2_CAPABLE(ha)) {
4143                                 if (mb[10] & BIT_7)
4144                                         fcport->flags |=
4145                                             FCF_CONF_COMP_SUPPORTED;
4146                         }
4147
4148                         rval = QLA_SUCCESS;
4149                         break;
4150                 } else if (mb[0] == MBS_LOOP_ID_USED) {
4151                         /*
4152                          * Loop ID already used, try next loop ID.
4153                          */
4154                         fcport->loop_id++;
4155                         rval = qla2x00_find_new_loop_id(vha, fcport);
4156                         if (rval != QLA_SUCCESS) {
4157                                 /* Ran out of loop IDs to use */
4158                                 break;
4159                         }
4160                 } else if (mb[0] == MBS_COMMAND_ERROR) {
4161                         /*
4162                          * Firmware possibly timed out during login. If NO
4163                          * retries are left to do then the device is declared
4164                          * dead.
4165                          */
4166                         *next_loopid = fcport->loop_id;
4167                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4168                             fcport->d_id.b.domain, fcport->d_id.b.area,
4169                             fcport->d_id.b.al_pa);
4170                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
4171
4172                         rval = 1;
4173                         break;
4174                 } else {
4175                         /*
4176                          * unrecoverable / not handled error
4177                          */
4178                         ql_dbg(ql_dbg_disc, vha, 0x2002,
4179                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
4180                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
4181                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
4182                             fcport->loop_id, jiffies);
4183
4184                         *next_loopid = fcport->loop_id;
4185                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4186                             fcport->d_id.b.domain, fcport->d_id.b.area,
4187                             fcport->d_id.b.al_pa);
4188                         qla2x00_clear_loop_id(fcport);
4189                         fcport->login_retry = 0;
4190
4191                         rval = 3;
4192                         break;
4193                 }
4194         }
4195
4196         return (rval);
4197 }
4198
4199 /*
4200  * qla2x00_local_device_login
4201  *      Issue local device login command.
4202  *
4203  * Input:
4204  *      ha = adapter block pointer.
4205  *      loop_id = loop id of device to login to.
4206  *
4207  * Returns (Where's the #define!!!!):
4208  *      0 - Login successfully
4209  *      1 - Login failed
4210  *      3 - Fatal error
4211  */
4212 int
4213 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
4214 {
4215         int             rval;
4216         uint16_t        mb[MAILBOX_REGISTER_COUNT];
4217
4218         memset(mb, 0, sizeof(mb));
4219         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
4220         if (rval == QLA_SUCCESS) {
4221                 /* Interrogate mailbox registers for any errors */
4222                 if (mb[0] == MBS_COMMAND_ERROR)
4223                         rval = 1;
4224                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
4225                         /* device not in PCB table */
4226                         rval = 3;
4227         }
4228
4229         return (rval);
4230 }
4231
4232 /*
4233  *  qla2x00_loop_resync
4234  *      Resync with fibre channel devices.
4235  *
4236  * Input:
4237  *      ha = adapter block pointer.
4238  *
4239  * Returns:
4240  *      0 = success
4241  */
4242 int
4243 qla2x00_loop_resync(scsi_qla_host_t *vha)
4244 {
4245         int rval = QLA_SUCCESS;
4246         uint32_t wait_time;
4247         struct req_que *req;
4248         struct rsp_que *rsp;
4249
4250         req = vha->req;
4251         rsp = req->rsp;
4252
4253         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4254         if (vha->flags.online) {
4255                 if (!(rval = qla2x00_fw_ready(vha))) {
4256                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4257                         wait_time = 256;
4258                         do {
4259                                 if (!IS_QLAFX00(vha->hw)) {
4260                                         /*
4261                                          * Issue a marker after FW becomes
4262                                          * ready.
4263                                          */
4264                                         qla2x00_marker(vha, req, rsp, 0, 0,
4265                                                 MK_SYNC_ALL);
4266                                         vha->marker_needed = 0;
4267                                 }
4268
4269                                 /* Remap devices on Loop. */
4270                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4271
4272                                 if (IS_QLAFX00(vha->hw))
4273                                         qlafx00_configure_devices(vha);
4274                                 else
4275                                         qla2x00_configure_loop(vha);
4276
4277                                 wait_time--;
4278                         } while (!atomic_read(&vha->loop_down_timer) &&
4279                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4280                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4281                                 &vha->dpc_flags)));
4282                 }
4283         }
4284
4285         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4286                 return (QLA_FUNCTION_FAILED);
4287
4288         if (rval)
4289                 ql_dbg(ql_dbg_disc, vha, 0x206c,
4290                     "%s *** FAILED ***.\n", __func__);
4291
4292         return (rval);
4293 }
4294
4295 /*
4296 * qla2x00_perform_loop_resync
4297 * Description: This function will set the appropriate flags and call
4298 *              qla2x00_loop_resync. If successful loop will be resynced
4299 * Arguments : scsi_qla_host_t pointer
4300 * returm    : Success or Failure
4301 */
4302
4303 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
4304 {
4305         int32_t rval = 0;
4306
4307         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
4308                 /*Configure the flags so that resync happens properly*/
4309                 atomic_set(&ha->loop_down_timer, 0);
4310                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
4311                         atomic_set(&ha->loop_state, LOOP_UP);
4312                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4313                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
4314                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4315
4316                         rval = qla2x00_loop_resync(ha);
4317                 } else
4318                         atomic_set(&ha->loop_state, LOOP_DEAD);
4319
4320                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
4321         }
4322
4323         return rval;
4324 }
4325
4326 void
4327 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
4328 {
4329         fc_port_t *fcport;
4330         struct scsi_qla_host *vha;
4331         struct qla_hw_data *ha = base_vha->hw;
4332         unsigned long flags;
4333
4334         spin_lock_irqsave(&ha->vport_slock, flags);
4335         /* Go with deferred removal of rport references. */
4336         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
4337                 atomic_inc(&vha->vref_count);
4338                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4339                         if (fcport->drport &&
4340                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
4341                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4342                                 qla2x00_rport_del(fcport);
4343
4344                                 /*
4345                                  * Release the target mode FC NEXUS in
4346                                  * qla_target.c, if target mod is enabled.
4347                                  */
4348                                 qlt_fc_port_deleted(vha, fcport,
4349                                     base_vha->total_fcport_update_gen);
4350
4351                                 spin_lock_irqsave(&ha->vport_slock, flags);
4352                         }
4353                 }
4354                 atomic_dec(&vha->vref_count);
4355         }
4356         spin_unlock_irqrestore(&ha->vport_slock, flags);
4357 }
4358
4359 /* Assumes idc_lock always held on entry */
4360 void
4361 qla83xx_reset_ownership(scsi_qla_host_t *vha)
4362 {
4363         struct qla_hw_data *ha = vha->hw;
4364         uint32_t drv_presence, drv_presence_mask;
4365         uint32_t dev_part_info1, dev_part_info2, class_type;
4366         uint32_t class_type_mask = 0x3;
4367         uint16_t fcoe_other_function = 0xffff, i;
4368
4369         if (IS_QLA8044(ha)) {
4370                 drv_presence = qla8044_rd_direct(vha,
4371                     QLA8044_CRB_DRV_ACTIVE_INDEX);
4372                 dev_part_info1 = qla8044_rd_direct(vha,
4373                     QLA8044_CRB_DEV_PART_INFO_INDEX);
4374                 dev_part_info2 = qla8044_rd_direct(vha,
4375                     QLA8044_CRB_DEV_PART_INFO2);
4376         } else {
4377                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4378                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4379                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4380         }
4381         for (i = 0; i < 8; i++) {
4382                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4383                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4384                     (i != ha->portnum)) {
4385                         fcoe_other_function = i;
4386                         break;
4387                 }
4388         }
4389         if (fcoe_other_function == 0xffff) {
4390                 for (i = 0; i < 8; i++) {
4391                         class_type = ((dev_part_info2 >> (i * 4)) &
4392                             class_type_mask);
4393                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4394                             ((i + 8) != ha->portnum)) {
4395                                 fcoe_other_function = i + 8;
4396                                 break;
4397                         }
4398                 }
4399         }
4400         /*
4401          * Prepare drv-presence mask based on fcoe functions present.
4402          * However consider only valid physical fcoe function numbers (0-15).
4403          */
4404         drv_presence_mask = ~((1 << (ha->portnum)) |
4405                         ((fcoe_other_function == 0xffff) ?
4406                          0 : (1 << (fcoe_other_function))));
4407
4408         /* We are the reset owner iff:
4409          *    - No other protocol drivers present.
4410          *    - This is the lowest among fcoe functions. */
4411         if (!(drv_presence & drv_presence_mask) &&
4412                         (ha->portnum < fcoe_other_function)) {
4413                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4414                     "This host is Reset owner.\n");
4415                 ha->flags.nic_core_reset_owner = 1;
4416         }
4417 }
4418
4419 static int
4420 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4421 {
4422         int rval = QLA_SUCCESS;
4423         struct qla_hw_data *ha = vha->hw;
4424         uint32_t drv_ack;
4425
4426         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4427         if (rval == QLA_SUCCESS) {
4428                 drv_ack |= (1 << ha->portnum);
4429                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4430         }
4431
4432         return rval;
4433 }
4434
4435 static int
4436 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4437 {
4438         int rval = QLA_SUCCESS;
4439         struct qla_hw_data *ha = vha->hw;
4440         uint32_t drv_ack;
4441
4442         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4443         if (rval == QLA_SUCCESS) {
4444                 drv_ack &= ~(1 << ha->portnum);
4445                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4446         }
4447
4448         return rval;
4449 }
4450
4451 static const char *
4452 qla83xx_dev_state_to_string(uint32_t dev_state)
4453 {
4454         switch (dev_state) {
4455         case QLA8XXX_DEV_COLD:
4456                 return "COLD/RE-INIT";
4457         case QLA8XXX_DEV_INITIALIZING:
4458                 return "INITIALIZING";
4459         case QLA8XXX_DEV_READY:
4460                 return "READY";
4461         case QLA8XXX_DEV_NEED_RESET:
4462                 return "NEED RESET";
4463         case QLA8XXX_DEV_NEED_QUIESCENT:
4464                 return "NEED QUIESCENT";
4465         case QLA8XXX_DEV_FAILED:
4466                 return "FAILED";
4467         case QLA8XXX_DEV_QUIESCENT:
4468                 return "QUIESCENT";
4469         default:
4470                 return "Unknown";
4471         }
4472 }
4473
4474 /* Assumes idc-lock always held on entry */
4475 void
4476 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4477 {
4478         struct qla_hw_data *ha = vha->hw;
4479         uint32_t idc_audit_reg = 0, duration_secs = 0;
4480
4481         switch (audit_type) {
4482         case IDC_AUDIT_TIMESTAMP:
4483                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4484                 idc_audit_reg = (ha->portnum) |
4485                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4486                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4487                 break;
4488
4489         case IDC_AUDIT_COMPLETION:
4490                 duration_secs = ((jiffies_to_msecs(jiffies) -
4491                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4492                 idc_audit_reg = (ha->portnum) |
4493                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4494                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4495                 break;
4496
4497         default:
4498                 ql_log(ql_log_warn, vha, 0xb078,
4499                     "Invalid audit type specified.\n");
4500                 break;
4501         }
4502 }
4503
4504 /* Assumes idc_lock always held on entry */
4505 static int
4506 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4507 {
4508         struct qla_hw_data *ha = vha->hw;
4509         uint32_t  idc_control, dev_state;
4510
4511         __qla83xx_get_idc_control(vha, &idc_control);
4512         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4513                 ql_log(ql_log_info, vha, 0xb080,
4514                     "NIC Core reset has been disabled. idc-control=0x%x\n",
4515                     idc_control);
4516                 return QLA_FUNCTION_FAILED;
4517         }
4518
4519         /* Set NEED-RESET iff in READY state and we are the reset-owner */
4520         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4521         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4522                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4523                     QLA8XXX_DEV_NEED_RESET);
4524                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4525                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4526         } else {
4527                 const char *state = qla83xx_dev_state_to_string(dev_state);
4528                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4529
4530                 /* SV: XXX: Is timeout required here? */
4531                 /* Wait for IDC state change READY -> NEED_RESET */
4532                 while (dev_state == QLA8XXX_DEV_READY) {
4533                         qla83xx_idc_unlock(vha, 0);
4534                         msleep(200);
4535                         qla83xx_idc_lock(vha, 0);
4536                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4537                 }
4538         }
4539
4540         /* Send IDC ack by writing to drv-ack register */
4541         __qla83xx_set_drv_ack(vha);
4542
4543         return QLA_SUCCESS;
4544 }
4545
4546 int
4547 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4548 {
4549         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4550 }
4551
4552 int
4553 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4554 {
4555         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4556 }
4557
4558 static int
4559 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4560 {
4561         uint32_t drv_presence = 0;
4562         struct qla_hw_data *ha = vha->hw;
4563
4564         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4565         if (drv_presence & (1 << ha->portnum))
4566                 return QLA_SUCCESS;
4567         else
4568                 return QLA_TEST_FAILED;
4569 }
4570
4571 int
4572 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4573 {
4574         int rval = QLA_SUCCESS;
4575         struct qla_hw_data *ha = vha->hw;
4576
4577         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4578             "Entered  %s().\n", __func__);
4579
4580         if (vha->device_flags & DFLG_DEV_FAILED) {
4581                 ql_log(ql_log_warn, vha, 0xb059,
4582                     "Device in unrecoverable FAILED state.\n");
4583                 return QLA_FUNCTION_FAILED;
4584         }
4585
4586         qla83xx_idc_lock(vha, 0);
4587
4588         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4589                 ql_log(ql_log_warn, vha, 0xb05a,
4590                     "Function=0x%x has been removed from IDC participation.\n",
4591                     ha->portnum);
4592                 rval = QLA_FUNCTION_FAILED;
4593                 goto exit;
4594         }
4595
4596         qla83xx_reset_ownership(vha);
4597
4598         rval = qla83xx_initiating_reset(vha);
4599
4600         /*
4601          * Perform reset if we are the reset-owner,
4602          * else wait till IDC state changes to READY/FAILED.
4603          */
4604         if (rval == QLA_SUCCESS) {
4605                 rval = qla83xx_idc_state_handler(vha);
4606
4607                 if (rval == QLA_SUCCESS)
4608                         ha->flags.nic_core_hung = 0;
4609                 __qla83xx_clear_drv_ack(vha);
4610         }
4611
4612 exit:
4613         qla83xx_idc_unlock(vha, 0);
4614
4615         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4616
4617         return rval;
4618 }
4619
4620 int
4621 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4622 {
4623         struct qla_hw_data *ha = vha->hw;
4624         int rval = QLA_FUNCTION_FAILED;
4625
4626         if (!IS_MCTP_CAPABLE(ha)) {
4627                 /* This message can be removed from the final version */
4628                 ql_log(ql_log_info, vha, 0x506d,
4629                     "This board is not MCTP capable\n");
4630                 return rval;
4631         }
4632
4633         if (!ha->mctp_dump) {
4634                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4635                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4636
4637                 if (!ha->mctp_dump) {
4638                         ql_log(ql_log_warn, vha, 0x506e,
4639                             "Failed to allocate memory for mctp dump\n");
4640                         return rval;
4641                 }
4642         }
4643
4644 #define MCTP_DUMP_STR_ADDR      0x00000000
4645         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4646             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4647         if (rval != QLA_SUCCESS) {
4648                 ql_log(ql_log_warn, vha, 0x506f,
4649                     "Failed to capture mctp dump\n");
4650         } else {
4651                 ql_log(ql_log_info, vha, 0x5070,
4652                     "Mctp dump capture for host (%ld/%p).\n",
4653                     vha->host_no, ha->mctp_dump);
4654                 ha->mctp_dumped = 1;
4655         }
4656
4657         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4658                 ha->flags.nic_core_reset_hdlr_active = 1;
4659                 rval = qla83xx_restart_nic_firmware(vha);
4660                 if (rval)
4661                         /* NIC Core reset failed. */
4662                         ql_log(ql_log_warn, vha, 0x5071,
4663                             "Failed to restart nic firmware\n");
4664                 else
4665                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4666                             "Restarted NIC firmware successfully.\n");
4667                 ha->flags.nic_core_reset_hdlr_active = 0;
4668         }
4669
4670         return rval;
4671
4672 }
4673
4674 /*
4675 * qla2x00_quiesce_io
4676 * Description: This function will block the new I/Os
4677 *              Its not aborting any I/Os as context
4678 *              is not destroyed during quiescence
4679 * Arguments: scsi_qla_host_t
4680 * return   : void
4681 */
4682 void
4683 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4684 {
4685         struct qla_hw_data *ha = vha->hw;
4686         struct scsi_qla_host *vp;
4687
4688         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4689             "Quiescing I/O - ha=%p.\n", ha);
4690
4691         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4692         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4693                 atomic_set(&vha->loop_state, LOOP_DOWN);
4694                 qla2x00_mark_all_devices_lost(vha, 0);
4695                 list_for_each_entry(vp, &ha->vp_list, list)
4696                         qla2x00_mark_all_devices_lost(vp, 0);
4697         } else {
4698                 if (!atomic_read(&vha->loop_down_timer))
4699                         atomic_set(&vha->loop_down_timer,
4700                                         LOOP_DOWN_TIME);
4701         }
4702         /* Wait for pending cmds to complete */
4703         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4704 }
4705
4706 void
4707 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4708 {
4709         struct qla_hw_data *ha = vha->hw;
4710         struct scsi_qla_host *vp;
4711         unsigned long flags;
4712         fc_port_t *fcport;
4713
4714         /* For ISP82XX, driver waits for completion of the commands.
4715          * online flag should be set.
4716          */
4717         if (!(IS_P3P_TYPE(ha)))
4718                 vha->flags.online = 0;
4719         ha->flags.chip_reset_done = 0;
4720         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4721         vha->qla_stats.total_isp_aborts++;
4722
4723         ql_log(ql_log_info, vha, 0x00af,
4724             "Performing ISP error recovery - ha=%p.\n", ha);
4725
4726         /* For ISP82XX, reset_chip is just disabling interrupts.
4727          * Driver waits for the completion of the commands.
4728          * the interrupts need to be enabled.
4729          */
4730         if (!(IS_P3P_TYPE(ha)))
4731                 ha->isp_ops->reset_chip(vha);
4732
4733         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4734         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4735                 atomic_set(&vha->loop_state, LOOP_DOWN);
4736                 qla2x00_mark_all_devices_lost(vha, 0);
4737
4738                 spin_lock_irqsave(&ha->vport_slock, flags);
4739                 list_for_each_entry(vp, &ha->vp_list, list) {
4740                         atomic_inc(&vp->vref_count);
4741                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4742
4743                         qla2x00_mark_all_devices_lost(vp, 0);
4744
4745                         spin_lock_irqsave(&ha->vport_slock, flags);
4746                         atomic_dec(&vp->vref_count);
4747                 }
4748                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4749         } else {
4750                 if (!atomic_read(&vha->loop_down_timer))
4751                         atomic_set(&vha->loop_down_timer,
4752                             LOOP_DOWN_TIME);
4753         }
4754
4755         /* Clear all async request states across all VPs. */
4756         list_for_each_entry(fcport, &vha->vp_fcports, list)
4757                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4758         spin_lock_irqsave(&ha->vport_slock, flags);
4759         list_for_each_entry(vp, &ha->vp_list, list) {
4760                 atomic_inc(&vp->vref_count);
4761                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4762
4763                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4764                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4765
4766                 spin_lock_irqsave(&ha->vport_slock, flags);
4767                 atomic_dec(&vp->vref_count);
4768         }
4769         spin_unlock_irqrestore(&ha->vport_slock, flags);
4770
4771         if (!ha->flags.eeh_busy) {
4772                 /* Make sure for ISP 82XX IO DMA is complete */
4773                 if (IS_P3P_TYPE(ha)) {
4774                         qla82xx_chip_reset_cleanup(vha);
4775                         ql_log(ql_log_info, vha, 0x00b4,
4776                             "Done chip reset cleanup.\n");
4777
4778                         /* Done waiting for pending commands.
4779                          * Reset the online flag.
4780                          */
4781                         vha->flags.online = 0;
4782                 }
4783
4784                 /* Requeue all commands in outstanding command list. */
4785                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4786         }
4787
4788         ha->chip_reset++;
4789         /* memory barrier */
4790         wmb();
4791 }
4792
4793 /*
4794 *  qla2x00_abort_isp
4795 *      Resets ISP and aborts all outstanding commands.
4796 *
4797 * Input:
4798 *      ha           = adapter block pointer.
4799 *
4800 * Returns:
4801 *      0 = success
4802 */
4803 int
4804 qla2x00_abort_isp(scsi_qla_host_t *vha)
4805 {
4806         int rval;
4807         uint8_t        status = 0;
4808         struct qla_hw_data *ha = vha->hw;
4809         struct scsi_qla_host *vp;
4810         struct req_que *req = ha->req_q_map[0];
4811         unsigned long flags;
4812
4813         if (vha->flags.online) {
4814                 qla2x00_abort_isp_cleanup(vha);
4815
4816                 if (IS_QLA8031(ha)) {
4817                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4818                             "Clearing fcoe driver presence.\n");
4819                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4820                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4821                                     "Error while clearing DRV-Presence.\n");
4822                 }
4823
4824                 if (unlikely(pci_channel_offline(ha->pdev) &&
4825                     ha->flags.pci_channel_io_perm_failure)) {
4826                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4827                         status = 0;
4828                         return status;
4829                 }
4830
4831                 ha->isp_ops->get_flash_version(vha, req->ring);
4832
4833                 ha->isp_ops->nvram_config(vha);
4834
4835                 if (!qla2x00_restart_isp(vha)) {
4836                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4837
4838                         if (!atomic_read(&vha->loop_down_timer)) {
4839                                 /*
4840                                  * Issue marker command only when we are going
4841                                  * to start the I/O .
4842                                  */
4843                                 vha->marker_needed = 1;
4844                         }
4845
4846                         vha->flags.online = 1;
4847
4848                         ha->isp_ops->enable_intrs(ha);
4849
4850                         ha->isp_abort_cnt = 0;
4851                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4852
4853                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4854                                 qla2x00_get_fw_version(vha);
4855                         if (ha->fce) {
4856                                 ha->flags.fce_enabled = 1;
4857                                 memset(ha->fce, 0,
4858                                     fce_calc_size(ha->fce_bufs));
4859                                 rval = qla2x00_enable_fce_trace(vha,
4860                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4861                                     &ha->fce_bufs);
4862                                 if (rval) {
4863                                         ql_log(ql_log_warn, vha, 0x8033,
4864                                             "Unable to reinitialize FCE "
4865                                             "(%d).\n", rval);
4866                                         ha->flags.fce_enabled = 0;
4867                                 }
4868                         }
4869
4870                         if (ha->eft) {
4871                                 memset(ha->eft, 0, EFT_SIZE);
4872                                 rval = qla2x00_enable_eft_trace(vha,
4873                                     ha->eft_dma, EFT_NUM_BUFFERS);
4874                                 if (rval) {
4875                                         ql_log(ql_log_warn, vha, 0x8034,
4876                                             "Unable to reinitialize EFT "
4877                                             "(%d).\n", rval);
4878                                 }
4879                         }
4880                 } else {        /* failed the ISP abort */
4881                         vha->flags.online = 1;
4882                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4883                                 if (ha->isp_abort_cnt == 0) {
4884                                         ql_log(ql_log_fatal, vha, 0x8035,
4885                                             "ISP error recover failed - "
4886                                             "board disabled.\n");
4887                                         /*
4888                                          * The next call disables the board
4889                                          * completely.
4890                                          */
4891                                         ha->isp_ops->reset_adapter(vha);
4892                                         vha->flags.online = 0;
4893                                         clear_bit(ISP_ABORT_RETRY,
4894                                             &vha->dpc_flags);
4895                                         status = 0;
4896                                 } else { /* schedule another ISP abort */
4897                                         ha->isp_abort_cnt--;
4898                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4899                                             "ISP abort - retry remaining %d.\n",
4900                                             ha->isp_abort_cnt);
4901                                         status = 1;
4902                                 }
4903                         } else {
4904                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4905                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4906                                     "ISP error recovery - retrying (%d) "
4907                                     "more times.\n", ha->isp_abort_cnt);
4908                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4909                                 status = 1;
4910                         }
4911                 }
4912
4913         }
4914
4915         if (!status) {
4916                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4917
4918                 spin_lock_irqsave(&ha->vport_slock, flags);
4919                 list_for_each_entry(vp, &ha->vp_list, list) {
4920                         if (vp->vp_idx) {
4921                                 atomic_inc(&vp->vref_count);
4922                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4923
4924                                 qla2x00_vp_abort_isp(vp);
4925
4926                                 spin_lock_irqsave(&ha->vport_slock, flags);
4927                                 atomic_dec(&vp->vref_count);
4928                         }
4929                 }
4930                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4931
4932                 if (IS_QLA8031(ha)) {
4933                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4934                             "Setting back fcoe driver presence.\n");
4935                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4936                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4937                                     "Error while setting DRV-Presence.\n");
4938                 }
4939         } else {
4940                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4941                        __func__);
4942         }
4943
4944         return(status);
4945 }
4946
4947 /*
4948 *  qla2x00_restart_isp
4949 *      restarts the ISP after a reset
4950 *
4951 * Input:
4952 *      ha = adapter block pointer.
4953 *
4954 * Returns:
4955 *      0 = success
4956 */
4957 static int
4958 qla2x00_restart_isp(scsi_qla_host_t *vha)
4959 {
4960         int status = 0;
4961         struct qla_hw_data *ha = vha->hw;
4962         struct req_que *req = ha->req_q_map[0];
4963         struct rsp_que *rsp = ha->rsp_q_map[0];
4964
4965         /* If firmware needs to be loaded */
4966         if (qla2x00_isp_firmware(vha)) {
4967                 vha->flags.online = 0;
4968                 status = ha->isp_ops->chip_diag(vha);
4969                 if (!status)
4970                         status = qla2x00_setup_chip(vha);
4971         }
4972
4973         if (!status && !(status = qla2x00_init_rings(vha))) {
4974                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4975                 ha->flags.chip_reset_done = 1;
4976
4977                 /* Initialize the queues in use */
4978                 qla25xx_init_queues(ha);
4979
4980                 status = qla2x00_fw_ready(vha);
4981                 if (!status) {
4982                         /* Issue a marker after FW becomes ready. */
4983                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4984
4985                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4986                 }
4987
4988                 /* if no cable then assume it's good */
4989                 if ((vha->device_flags & DFLG_NO_CABLE))
4990                         status = 0;
4991         }
4992         return (status);
4993 }
4994
4995 static int
4996 qla25xx_init_queues(struct qla_hw_data *ha)
4997 {
4998         struct rsp_que *rsp = NULL;
4999         struct req_que *req = NULL;
5000         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5001         int ret = -1;
5002         int i;
5003
5004         for (i = 1; i < ha->max_rsp_queues; i++) {
5005                 rsp = ha->rsp_q_map[i];
5006                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
5007                         rsp->options &= ~BIT_0;
5008                         ret = qla25xx_init_rsp_que(base_vha, rsp);
5009                         if (ret != QLA_SUCCESS)
5010                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
5011                                     "%s Rsp que: %d init failed.\n",
5012                                     __func__, rsp->id);
5013                         else
5014                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
5015                                     "%s Rsp que: %d inited.\n",
5016                                     __func__, rsp->id);
5017                 }
5018         }
5019         for (i = 1; i < ha->max_req_queues; i++) {
5020                 req = ha->req_q_map[i];
5021                 if (req && test_bit(i, ha->req_qid_map)) {
5022                         /* Clear outstanding commands array. */
5023                         req->options &= ~BIT_0;
5024                         ret = qla25xx_init_req_que(base_vha, req);
5025                         if (ret != QLA_SUCCESS)
5026                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
5027                                     "%s Req que: %d init failed.\n",
5028                                     __func__, req->id);
5029                         else
5030                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
5031                                     "%s Req que: %d inited.\n",
5032                                     __func__, req->id);
5033                 }
5034         }
5035         return ret;
5036 }
5037
5038 /*
5039 * qla2x00_reset_adapter
5040 *      Reset adapter.
5041 *
5042 * Input:
5043 *      ha = adapter block pointer.
5044 */
5045 void
5046 qla2x00_reset_adapter(scsi_qla_host_t *vha)
5047 {
5048         unsigned long flags = 0;
5049         struct qla_hw_data *ha = vha->hw;
5050         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5051
5052         vha->flags.online = 0;
5053         ha->isp_ops->disable_intrs(ha);
5054
5055         spin_lock_irqsave(&ha->hardware_lock, flags);
5056         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
5057         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
5058         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
5059         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
5060         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5061 }
5062
5063 void
5064 qla24xx_reset_adapter(scsi_qla_host_t *vha)
5065 {
5066         unsigned long flags = 0;
5067         struct qla_hw_data *ha = vha->hw;
5068         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
5069
5070         if (IS_P3P_TYPE(ha))
5071                 return;
5072
5073         vha->flags.online = 0;
5074         ha->isp_ops->disable_intrs(ha);
5075
5076         spin_lock_irqsave(&ha->hardware_lock, flags);
5077         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
5078         RD_REG_DWORD(&reg->hccr);
5079         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
5080         RD_REG_DWORD(&reg->hccr);
5081         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5082
5083         if (IS_NOPOLLING_TYPE(ha))
5084                 ha->isp_ops->enable_intrs(ha);
5085 }
5086
5087 /* On sparc systems, obtain port and node WWN from firmware
5088  * properties.
5089  */
5090 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
5091         struct nvram_24xx *nv)
5092 {
5093 #ifdef CONFIG_SPARC
5094         struct qla_hw_data *ha = vha->hw;
5095         struct pci_dev *pdev = ha->pdev;
5096         struct device_node *dp = pci_device_to_OF_node(pdev);
5097         const u8 *val;
5098         int len;
5099
5100         val = of_get_property(dp, "port-wwn", &len);
5101         if (val && len >= WWN_SIZE)
5102                 memcpy(nv->port_name, val, WWN_SIZE);
5103
5104         val = of_get_property(dp, "node-wwn", &len);
5105         if (val && len >= WWN_SIZE)
5106                 memcpy(nv->node_name, val, WWN_SIZE);
5107 #endif
5108 }
5109
5110 int
5111 qla24xx_nvram_config(scsi_qla_host_t *vha)
5112 {
5113         int   rval;
5114         struct init_cb_24xx *icb;
5115         struct nvram_24xx *nv;
5116         uint32_t *dptr;
5117         uint8_t  *dptr1, *dptr2;
5118         uint32_t chksum;
5119         uint16_t cnt;
5120         struct qla_hw_data *ha = vha->hw;
5121
5122         rval = QLA_SUCCESS;
5123         icb = (struct init_cb_24xx *)ha->init_cb;
5124         nv = ha->nvram;
5125
5126         /* Determine NVRAM starting address. */
5127         if (ha->port_no == 0) {
5128                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
5129                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
5130         } else {
5131                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
5132                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
5133         }
5134
5135         ha->nvram_size = sizeof(struct nvram_24xx);
5136         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5137
5138         /* Get VPD data into cache */
5139         ha->vpd = ha->nvram + VPD_OFFSET;
5140         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
5141             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
5142
5143         /* Get NVRAM data into cache and calculate checksum. */
5144         dptr = (uint32_t *)nv;
5145         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
5146             ha->nvram_size);
5147         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
5148                 chksum += le32_to_cpu(*dptr);
5149
5150         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
5151             "Contents of NVRAM\n");
5152         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
5153             (uint8_t *)nv, ha->nvram_size);
5154
5155         /* Bad NVRAM data, set defaults parameters. */
5156         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5157             || nv->id[3] != ' ' ||
5158             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
5159                 /* Reset NVRAM data. */
5160                 ql_log(ql_log_warn, vha, 0x006b,
5161                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5162                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
5163                 ql_log(ql_log_warn, vha, 0x006c,
5164                     "Falling back to functioning (yet invalid -- WWPN) "
5165                     "defaults.\n");
5166
5167                 /*
5168                  * Set default initialization control block.
5169                  */
5170                 memset(nv, 0, ha->nvram_size);
5171                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
5172                 nv->version = cpu_to_le16(ICB_VERSION);
5173                 nv->frame_payload_size = 2048;
5174                 nv->execution_throttle = cpu_to_le16(0xFFFF);
5175                 nv->exchange_count = cpu_to_le16(0);
5176                 nv->hard_address = cpu_to_le16(124);
5177                 nv->port_name[0] = 0x21;
5178                 nv->port_name[1] = 0x00 + ha->port_no + 1;
5179                 nv->port_name[2] = 0x00;
5180                 nv->port_name[3] = 0xe0;
5181                 nv->port_name[4] = 0x8b;
5182                 nv->port_name[5] = 0x1c;
5183                 nv->port_name[6] = 0x55;
5184                 nv->port_name[7] = 0x86;
5185                 nv->node_name[0] = 0x20;
5186                 nv->node_name[1] = 0x00;
5187                 nv->node_name[2] = 0x00;
5188                 nv->node_name[3] = 0xe0;
5189                 nv->node_name[4] = 0x8b;
5190                 nv->node_name[5] = 0x1c;
5191                 nv->node_name[6] = 0x55;
5192                 nv->node_name[7] = 0x86;
5193                 qla24xx_nvram_wwn_from_ofw(vha, nv);
5194                 nv->login_retry_count = cpu_to_le16(8);
5195                 nv->interrupt_delay_timer = cpu_to_le16(0);
5196                 nv->login_timeout = cpu_to_le16(0);
5197                 nv->firmware_options_1 =
5198                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5199                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
5200                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
5201                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
5202                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
5203                 nv->efi_parameters = cpu_to_le32(0);
5204                 nv->reset_delay = 5;
5205                 nv->max_luns_per_target = cpu_to_le16(128);
5206                 nv->port_down_retry_count = cpu_to_le16(30);
5207                 nv->link_down_timeout = cpu_to_le16(30);
5208
5209                 rval = 1;
5210         }
5211
5212         if (!qla_ini_mode_enabled(vha)) {
5213                 /* Don't enable full login after initial LIP */
5214                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
5215                 /* Don't enable LIP full login for initiator */
5216                 nv->host_p &= cpu_to_le32(~BIT_10);
5217         }
5218
5219         qlt_24xx_config_nvram_stage1(vha, nv);
5220
5221         /* Reset Initialization control block */
5222         memset(icb, 0, ha->init_cb_size);
5223
5224         /* Copy 1st segment. */
5225         dptr1 = (uint8_t *)icb;
5226         dptr2 = (uint8_t *)&nv->version;
5227         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5228         while (cnt--)
5229                 *dptr1++ = *dptr2++;
5230
5231         icb->login_retry_count = nv->login_retry_count;
5232         icb->link_down_on_nos = nv->link_down_on_nos;
5233
5234         /* Copy 2nd segment. */
5235         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5236         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5237         cnt = (uint8_t *)&icb->reserved_3 -
5238             (uint8_t *)&icb->interrupt_delay_timer;
5239         while (cnt--)
5240                 *dptr1++ = *dptr2++;
5241
5242         /*
5243          * Setup driver NVRAM options.
5244          */
5245         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5246             "QLA2462");
5247
5248         qlt_24xx_config_nvram_stage2(vha, icb);
5249
5250         if (nv->host_p & cpu_to_le32(BIT_15)) {
5251                 /* Use alternate WWN? */
5252                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5253                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5254         }
5255
5256         /* Prepare nodename */
5257         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
5258                 /*
5259                  * Firmware will apply the following mask if the nodename was
5260                  * not provided.
5261                  */
5262                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5263                 icb->node_name[0] &= 0xF0;
5264         }
5265
5266         /* Set host adapter parameters. */
5267         ha->flags.disable_risc_code_load = 0;
5268         ha->flags.enable_lip_reset = 0;
5269         ha->flags.enable_lip_full_login =
5270             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5271         ha->flags.enable_target_reset =
5272             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5273         ha->flags.enable_led_scheme = 0;
5274         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5275
5276         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5277             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5278
5279         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
5280             sizeof(ha->fw_seriallink_options24));
5281
5282         /* save HBA serial number */
5283         ha->serial0 = icb->port_name[5];
5284         ha->serial1 = icb->port_name[6];
5285         ha->serial2 = icb->port_name[7];
5286         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5287         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5288
5289         icb->execution_throttle = cpu_to_le16(0xFFFF);
5290
5291         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5292
5293         /* Set minimum login_timeout to 4 seconds. */
5294         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5295                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5296         if (le16_to_cpu(nv->login_timeout) < 4)
5297                 nv->login_timeout = cpu_to_le16(4);
5298         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5299
5300         /* Set minimum RATOV to 100 tenths of a second. */
5301         ha->r_a_tov = 100;
5302
5303         ha->loop_reset_delay = nv->reset_delay;
5304
5305         /* Link Down Timeout = 0:
5306          *
5307          *      When Port Down timer expires we will start returning
5308          *      I/O's to OS with "DID_NO_CONNECT".
5309          *
5310          * Link Down Timeout != 0:
5311          *
5312          *       The driver waits for the link to come up after link down
5313          *       before returning I/Os to OS with "DID_NO_CONNECT".
5314          */
5315         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5316                 ha->loop_down_abort_time =
5317                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5318         } else {
5319                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5320                 ha->loop_down_abort_time =
5321                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5322         }
5323
5324         /* Need enough time to try and get the port back. */
5325         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5326         if (qlport_down_retry)
5327                 ha->port_down_retry_count = qlport_down_retry;
5328
5329         /* Set login_retry_count */
5330         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5331         if (ha->port_down_retry_count ==
5332             le16_to_cpu(nv->port_down_retry_count) &&
5333             ha->port_down_retry_count > 3)
5334                 ha->login_retry_count = ha->port_down_retry_count;
5335         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5336                 ha->login_retry_count = ha->port_down_retry_count;
5337         if (ql2xloginretrycount)
5338                 ha->login_retry_count = ql2xloginretrycount;
5339
5340         /* Enable ZIO. */
5341         if (!vha->flags.init_done) {
5342                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5343                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5344                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5345                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5346         }
5347         icb->firmware_options_2 &= cpu_to_le32(
5348             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5349         vha->flags.process_response_queue = 0;
5350         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5351                 ha->zio_mode = QLA_ZIO_MODE_6;
5352
5353                 ql_log(ql_log_info, vha, 0x006f,
5354                     "ZIO mode %d enabled; timer delay (%d us).\n",
5355                     ha->zio_mode, ha->zio_timer * 100);
5356
5357                 icb->firmware_options_2 |= cpu_to_le32(
5358                     (uint32_t)ha->zio_mode);
5359                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5360                 vha->flags.process_response_queue = 1;
5361         }
5362
5363         if (rval) {
5364                 ql_log(ql_log_warn, vha, 0x0070,
5365                     "NVRAM configuration failed.\n");
5366         }
5367         return (rval);
5368 }
5369
5370 uint8_t qla27xx_find_valid_image(struct scsi_qla_host *vha)
5371 {
5372         struct qla27xx_image_status pri_image_status, sec_image_status;
5373         uint8_t valid_pri_image, valid_sec_image;
5374         uint32_t *wptr;
5375         uint32_t cnt, chksum, size;
5376         struct qla_hw_data *ha = vha->hw;
5377
5378         valid_pri_image = valid_sec_image = 1;
5379         ha->active_image = 0;
5380         size = sizeof(struct qla27xx_image_status) / sizeof(uint32_t);
5381
5382         if (!ha->flt_region_img_status_pri) {
5383                 valid_pri_image = 0;
5384                 goto check_sec_image;
5385         }
5386
5387         qla24xx_read_flash_data(vha, (uint32_t *)(&pri_image_status),
5388             ha->flt_region_img_status_pri, size);
5389
5390         if (pri_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
5391                 ql_dbg(ql_dbg_init, vha, 0x018b,
5392                     "Primary image signature (0x%x) not valid\n",
5393                     pri_image_status.signature);
5394                 valid_pri_image = 0;
5395                 goto check_sec_image;
5396         }
5397
5398         wptr = (uint32_t *)(&pri_image_status);
5399         cnt = size;
5400
5401         for (chksum = 0; cnt--; wptr++)
5402                 chksum += le32_to_cpu(*wptr);
5403         if (chksum) {
5404                 ql_dbg(ql_dbg_init, vha, 0x018c,
5405                     "Checksum validation failed for primary image (0x%x)\n",
5406                     chksum);
5407                 valid_pri_image = 0;
5408         }
5409
5410 check_sec_image:
5411         if (!ha->flt_region_img_status_sec) {
5412                 valid_sec_image = 0;
5413                 goto check_valid_image;
5414         }
5415
5416         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
5417             ha->flt_region_img_status_sec, size);
5418
5419         if (sec_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
5420                 ql_dbg(ql_dbg_init, vha, 0x018d,
5421                     "Secondary image signature(0x%x) not valid\n",
5422                     sec_image_status.signature);
5423                 valid_sec_image = 0;
5424                 goto check_valid_image;
5425         }
5426
5427         wptr = (uint32_t *)(&sec_image_status);
5428         cnt = size;
5429         for (chksum = 0; cnt--; wptr++)
5430                 chksum += le32_to_cpu(*wptr);
5431         if (chksum) {
5432                 ql_dbg(ql_dbg_init, vha, 0x018e,
5433                     "Checksum validation failed for secondary image (0x%x)\n",
5434                     chksum);
5435                 valid_sec_image = 0;
5436         }
5437
5438 check_valid_image:
5439         if (valid_pri_image && (pri_image_status.image_status_mask & 0x1))
5440                 ha->active_image = QLA27XX_PRIMARY_IMAGE;
5441         if (valid_sec_image && (sec_image_status.image_status_mask & 0x1)) {
5442                 if (!ha->active_image ||
5443                     pri_image_status.generation_number <
5444                     sec_image_status.generation_number)
5445                         ha->active_image = QLA27XX_SECONDARY_IMAGE;
5446         }
5447
5448         ql_dbg(ql_dbg_init, vha, 0x018f, "%s image\n",
5449             ha->active_image == 0 ? "default bootld and fw" :
5450             ha->active_image == 1 ? "primary" :
5451             ha->active_image == 2 ? "secondary" :
5452             "Invalid");
5453
5454         return ha->active_image;
5455 }
5456
5457 static int
5458 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5459     uint32_t faddr)
5460 {
5461         int     rval = QLA_SUCCESS;
5462         int     segments, fragment;
5463         uint32_t *dcode, dlen;
5464         uint32_t risc_addr;
5465         uint32_t risc_size;
5466         uint32_t i;
5467         struct qla_hw_data *ha = vha->hw;
5468         struct req_que *req = ha->req_q_map[0];
5469
5470         ql_dbg(ql_dbg_init, vha, 0x008b,
5471             "FW: Loading firmware from flash (%x).\n", faddr);
5472
5473         rval = QLA_SUCCESS;
5474
5475         segments = FA_RISC_CODE_SEGMENTS;
5476         dcode = (uint32_t *)req->ring;
5477         *srisc_addr = 0;
5478
5479         if (IS_QLA27XX(ha) &&
5480             qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
5481                 faddr = ha->flt_region_fw_sec;
5482
5483         /* Validate firmware image by checking version. */
5484         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5485         for (i = 0; i < 4; i++)
5486                 dcode[i] = be32_to_cpu(dcode[i]);
5487         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5488             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5489             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5490                 dcode[3] == 0)) {
5491                 ql_log(ql_log_fatal, vha, 0x008c,
5492                     "Unable to verify the integrity of flash firmware "
5493                     "image.\n");
5494                 ql_log(ql_log_fatal, vha, 0x008d,
5495                     "Firmware data: %08x %08x %08x %08x.\n",
5496                     dcode[0], dcode[1], dcode[2], dcode[3]);
5497
5498                 return QLA_FUNCTION_FAILED;
5499         }
5500
5501         while (segments && rval == QLA_SUCCESS) {
5502                 /* Read segment's load information. */
5503                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5504
5505                 risc_addr = be32_to_cpu(dcode[2]);
5506                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5507                 risc_size = be32_to_cpu(dcode[3]);
5508
5509                 fragment = 0;
5510                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5511                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5512                         if (dlen > risc_size)
5513                                 dlen = risc_size;
5514
5515                         ql_dbg(ql_dbg_init, vha, 0x008e,
5516                             "Loading risc segment@ risc addr %x "
5517                             "number of dwords 0x%x offset 0x%x.\n",
5518                             risc_addr, dlen, faddr);
5519
5520                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5521                         for (i = 0; i < dlen; i++)
5522                                 dcode[i] = swab32(dcode[i]);
5523
5524                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5525                             dlen);
5526                         if (rval) {
5527                                 ql_log(ql_log_fatal, vha, 0x008f,
5528                                     "Failed to load segment %d of firmware.\n",
5529                                     fragment);
5530                                 return QLA_FUNCTION_FAILED;
5531                         }
5532
5533                         faddr += dlen;
5534                         risc_addr += dlen;
5535                         risc_size -= dlen;
5536                         fragment++;
5537                 }
5538
5539                 /* Next segment. */
5540                 segments--;
5541         }
5542
5543         if (!IS_QLA27XX(ha))
5544                 return rval;
5545
5546         if (ha->fw_dump_template)
5547                 vfree(ha->fw_dump_template);
5548         ha->fw_dump_template = NULL;
5549         ha->fw_dump_template_len = 0;
5550
5551         ql_dbg(ql_dbg_init, vha, 0x0161,
5552             "Loading fwdump template from %x\n", faddr);
5553         qla24xx_read_flash_data(vha, dcode, faddr, 7);
5554         risc_size = be32_to_cpu(dcode[2]);
5555         ql_dbg(ql_dbg_init, vha, 0x0162,
5556             "-> array size %x dwords\n", risc_size);
5557         if (risc_size == 0 || risc_size == ~0)
5558                 goto default_template;
5559
5560         dlen = (risc_size - 8) * sizeof(*dcode);
5561         ql_dbg(ql_dbg_init, vha, 0x0163,
5562             "-> template allocating %x bytes...\n", dlen);
5563         ha->fw_dump_template = vmalloc(dlen);
5564         if (!ha->fw_dump_template) {
5565                 ql_log(ql_log_warn, vha, 0x0164,
5566                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5567                 goto default_template;
5568         }
5569
5570         faddr += 7;
5571         risc_size -= 8;
5572         dcode = ha->fw_dump_template;
5573         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
5574         for (i = 0; i < risc_size; i++)
5575                 dcode[i] = le32_to_cpu(dcode[i]);
5576
5577         if (!qla27xx_fwdt_template_valid(dcode)) {
5578                 ql_log(ql_log_warn, vha, 0x0165,
5579                     "Failed fwdump template validate\n");
5580                 goto default_template;
5581         }
5582
5583         dlen = qla27xx_fwdt_template_size(dcode);
5584         ql_dbg(ql_dbg_init, vha, 0x0166,
5585             "-> template size %x bytes\n", dlen);
5586         if (dlen > risc_size * sizeof(*dcode)) {
5587                 ql_log(ql_log_warn, vha, 0x0167,
5588                     "Failed fwdump template exceeds array by %x bytes\n",
5589                     (uint32_t)(dlen - risc_size * sizeof(*dcode)));
5590                 goto default_template;
5591         }
5592         ha->fw_dump_template_len = dlen;
5593         return rval;
5594
5595 default_template:
5596         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
5597         if (ha->fw_dump_template)
5598                 vfree(ha->fw_dump_template);
5599         ha->fw_dump_template = NULL;
5600         ha->fw_dump_template_len = 0;
5601
5602         dlen = qla27xx_fwdt_template_default_size();
5603         ql_dbg(ql_dbg_init, vha, 0x0169,
5604             "-> template allocating %x bytes...\n", dlen);
5605         ha->fw_dump_template = vmalloc(dlen);
5606         if (!ha->fw_dump_template) {
5607                 ql_log(ql_log_warn, vha, 0x016a,
5608                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5609                 goto failed_template;
5610         }
5611
5612         dcode = ha->fw_dump_template;
5613         risc_size = dlen / sizeof(*dcode);
5614         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
5615         for (i = 0; i < risc_size; i++)
5616                 dcode[i] = be32_to_cpu(dcode[i]);
5617
5618         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5619                 ql_log(ql_log_warn, vha, 0x016b,
5620                     "Failed fwdump template validate\n");
5621                 goto failed_template;
5622         }
5623
5624         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5625         ql_dbg(ql_dbg_init, vha, 0x016c,
5626             "-> template size %x bytes\n", dlen);
5627         ha->fw_dump_template_len = dlen;
5628         return rval;
5629
5630 failed_template:
5631         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
5632         if (ha->fw_dump_template)
5633                 vfree(ha->fw_dump_template);
5634         ha->fw_dump_template = NULL;
5635         ha->fw_dump_template_len = 0;
5636         return rval;
5637 }
5638
5639 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5640
5641 int
5642 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5643 {
5644         int     rval;
5645         int     i, fragment;
5646         uint16_t *wcode, *fwcode;
5647         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5648         struct fw_blob *blob;
5649         struct qla_hw_data *ha = vha->hw;
5650         struct req_que *req = ha->req_q_map[0];
5651
5652         /* Load firmware blob. */
5653         blob = qla2x00_request_firmware(vha);
5654         if (!blob) {
5655                 ql_log(ql_log_info, vha, 0x0083,
5656                     "Firmware image unavailable.\n");
5657                 ql_log(ql_log_info, vha, 0x0084,
5658                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5659                 return QLA_FUNCTION_FAILED;
5660         }
5661
5662         rval = QLA_SUCCESS;
5663
5664         wcode = (uint16_t *)req->ring;
5665         *srisc_addr = 0;
5666         fwcode = (uint16_t *)blob->fw->data;
5667         fwclen = 0;
5668
5669         /* Validate firmware image by checking version. */
5670         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5671                 ql_log(ql_log_fatal, vha, 0x0085,
5672                     "Unable to verify integrity of firmware image (%Zd).\n",
5673                     blob->fw->size);
5674                 goto fail_fw_integrity;
5675         }
5676         for (i = 0; i < 4; i++)
5677                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5678         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5679             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5680                 wcode[2] == 0 && wcode[3] == 0)) {
5681                 ql_log(ql_log_fatal, vha, 0x0086,
5682                     "Unable to verify integrity of firmware image.\n");
5683                 ql_log(ql_log_fatal, vha, 0x0087,
5684                     "Firmware data: %04x %04x %04x %04x.\n",
5685                     wcode[0], wcode[1], wcode[2], wcode[3]);
5686                 goto fail_fw_integrity;
5687         }
5688
5689         seg = blob->segs;
5690         while (*seg && rval == QLA_SUCCESS) {
5691                 risc_addr = *seg;
5692                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5693                 risc_size = be16_to_cpu(fwcode[3]);
5694
5695                 /* Validate firmware image size. */
5696                 fwclen += risc_size * sizeof(uint16_t);
5697                 if (blob->fw->size < fwclen) {
5698                         ql_log(ql_log_fatal, vha, 0x0088,
5699                             "Unable to verify integrity of firmware image "
5700                             "(%Zd).\n", blob->fw->size);
5701                         goto fail_fw_integrity;
5702                 }
5703
5704                 fragment = 0;
5705                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5706                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5707                         if (wlen > risc_size)
5708                                 wlen = risc_size;
5709                         ql_dbg(ql_dbg_init, vha, 0x0089,
5710                             "Loading risc segment@ risc addr %x number of "
5711                             "words 0x%x.\n", risc_addr, wlen);
5712
5713                         for (i = 0; i < wlen; i++)
5714                                 wcode[i] = swab16(fwcode[i]);
5715
5716                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5717                             wlen);
5718                         if (rval) {
5719                                 ql_log(ql_log_fatal, vha, 0x008a,
5720                                     "Failed to load segment %d of firmware.\n",
5721                                     fragment);
5722                                 break;
5723                         }
5724
5725                         fwcode += wlen;
5726                         risc_addr += wlen;
5727                         risc_size -= wlen;
5728                         fragment++;
5729                 }
5730
5731                 /* Next segment. */
5732                 seg++;
5733         }
5734         return rval;
5735
5736 fail_fw_integrity:
5737         return QLA_FUNCTION_FAILED;
5738 }
5739
5740 static int
5741 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5742 {
5743         int     rval;
5744         int     segments, fragment;
5745         uint32_t *dcode, dlen;
5746         uint32_t risc_addr;
5747         uint32_t risc_size;
5748         uint32_t i;
5749         struct fw_blob *blob;
5750         const uint32_t *fwcode;
5751         uint32_t fwclen;
5752         struct qla_hw_data *ha = vha->hw;
5753         struct req_que *req = ha->req_q_map[0];
5754
5755         /* Load firmware blob. */
5756         blob = qla2x00_request_firmware(vha);
5757         if (!blob) {
5758                 ql_log(ql_log_warn, vha, 0x0090,
5759                     "Firmware image unavailable.\n");
5760                 ql_log(ql_log_warn, vha, 0x0091,
5761                     "Firmware images can be retrieved from: "
5762                     QLA_FW_URL ".\n");
5763
5764                 return QLA_FUNCTION_FAILED;
5765         }
5766
5767         ql_dbg(ql_dbg_init, vha, 0x0092,
5768             "FW: Loading via request-firmware.\n");
5769
5770         rval = QLA_SUCCESS;
5771
5772         segments = FA_RISC_CODE_SEGMENTS;
5773         dcode = (uint32_t *)req->ring;
5774         *srisc_addr = 0;
5775         fwcode = (uint32_t *)blob->fw->data;
5776         fwclen = 0;
5777
5778         /* Validate firmware image by checking version. */
5779         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5780                 ql_log(ql_log_fatal, vha, 0x0093,
5781                     "Unable to verify integrity of firmware image (%Zd).\n",
5782                     blob->fw->size);
5783                 return QLA_FUNCTION_FAILED;
5784         }
5785         for (i = 0; i < 4; i++)
5786                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5787         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5788             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5789             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5790                 dcode[3] == 0)) {
5791                 ql_log(ql_log_fatal, vha, 0x0094,
5792                     "Unable to verify integrity of firmware image (%Zd).\n",
5793                     blob->fw->size);
5794                 ql_log(ql_log_fatal, vha, 0x0095,
5795                     "Firmware data: %08x %08x %08x %08x.\n",
5796                     dcode[0], dcode[1], dcode[2], dcode[3]);
5797                 return QLA_FUNCTION_FAILED;
5798         }
5799
5800         while (segments && rval == QLA_SUCCESS) {
5801                 risc_addr = be32_to_cpu(fwcode[2]);
5802                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5803                 risc_size = be32_to_cpu(fwcode[3]);
5804
5805                 /* Validate firmware image size. */
5806                 fwclen += risc_size * sizeof(uint32_t);
5807                 if (blob->fw->size < fwclen) {
5808                         ql_log(ql_log_fatal, vha, 0x0096,
5809                             "Unable to verify integrity of firmware image "
5810                             "(%Zd).\n", blob->fw->size);
5811                         return QLA_FUNCTION_FAILED;
5812                 }
5813
5814                 fragment = 0;
5815                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5816                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5817                         if (dlen > risc_size)
5818                                 dlen = risc_size;
5819
5820                         ql_dbg(ql_dbg_init, vha, 0x0097,
5821                             "Loading risc segment@ risc addr %x "
5822                             "number of dwords 0x%x.\n", risc_addr, dlen);
5823
5824                         for (i = 0; i < dlen; i++)
5825                                 dcode[i] = swab32(fwcode[i]);
5826
5827                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5828                             dlen);
5829                         if (rval) {
5830                                 ql_log(ql_log_fatal, vha, 0x0098,
5831                                     "Failed to load segment %d of firmware.\n",
5832                                     fragment);
5833                                 return QLA_FUNCTION_FAILED;
5834                         }
5835
5836                         fwcode += dlen;
5837                         risc_addr += dlen;
5838                         risc_size -= dlen;
5839                         fragment++;
5840                 }
5841
5842                 /* Next segment. */
5843                 segments--;
5844         }
5845
5846         if (!IS_QLA27XX(ha))
5847                 return rval;
5848
5849         if (ha->fw_dump_template)
5850                 vfree(ha->fw_dump_template);
5851         ha->fw_dump_template = NULL;
5852         ha->fw_dump_template_len = 0;
5853
5854         ql_dbg(ql_dbg_init, vha, 0x171,
5855             "Loading fwdump template from %x\n",
5856             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
5857         risc_size = be32_to_cpu(fwcode[2]);
5858         ql_dbg(ql_dbg_init, vha, 0x172,
5859             "-> array size %x dwords\n", risc_size);
5860         if (risc_size == 0 || risc_size == ~0)
5861                 goto default_template;
5862
5863         dlen = (risc_size - 8) * sizeof(*fwcode);
5864         ql_dbg(ql_dbg_init, vha, 0x0173,
5865             "-> template allocating %x bytes...\n", dlen);
5866         ha->fw_dump_template = vmalloc(dlen);
5867         if (!ha->fw_dump_template) {
5868                 ql_log(ql_log_warn, vha, 0x0174,
5869                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5870                 goto default_template;
5871         }
5872
5873         fwcode += 7;
5874         risc_size -= 8;
5875         dcode = ha->fw_dump_template;
5876         for (i = 0; i < risc_size; i++)
5877                 dcode[i] = le32_to_cpu(fwcode[i]);
5878
5879         if (!qla27xx_fwdt_template_valid(dcode)) {
5880                 ql_log(ql_log_warn, vha, 0x0175,
5881                     "Failed fwdump template validate\n");
5882                 goto default_template;
5883         }
5884
5885         dlen = qla27xx_fwdt_template_size(dcode);
5886         ql_dbg(ql_dbg_init, vha, 0x0176,
5887             "-> template size %x bytes\n", dlen);
5888         if (dlen > risc_size * sizeof(*fwcode)) {
5889                 ql_log(ql_log_warn, vha, 0x0177,
5890                     "Failed fwdump template exceeds array by %x bytes\n",
5891                     (uint32_t)(dlen - risc_size * sizeof(*fwcode)));
5892                 goto default_template;
5893         }
5894         ha->fw_dump_template_len = dlen;
5895         return rval;
5896
5897 default_template:
5898         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
5899         if (ha->fw_dump_template)
5900                 vfree(ha->fw_dump_template);
5901         ha->fw_dump_template = NULL;
5902         ha->fw_dump_template_len = 0;
5903
5904         dlen = qla27xx_fwdt_template_default_size();
5905         ql_dbg(ql_dbg_init, vha, 0x0179,
5906             "-> template allocating %x bytes...\n", dlen);
5907         ha->fw_dump_template = vmalloc(dlen);
5908         if (!ha->fw_dump_template) {
5909                 ql_log(ql_log_warn, vha, 0x017a,
5910                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5911                 goto failed_template;
5912         }
5913
5914         dcode = ha->fw_dump_template;
5915         risc_size = dlen / sizeof(*fwcode);
5916         fwcode = qla27xx_fwdt_template_default();
5917         for (i = 0; i < risc_size; i++)
5918                 dcode[i] = be32_to_cpu(fwcode[i]);
5919
5920         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5921                 ql_log(ql_log_warn, vha, 0x017b,
5922                     "Failed fwdump template validate\n");
5923                 goto failed_template;
5924         }
5925
5926         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5927         ql_dbg(ql_dbg_init, vha, 0x017c,
5928             "-> template size %x bytes\n", dlen);
5929         ha->fw_dump_template_len = dlen;
5930         return rval;
5931
5932 failed_template:
5933         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
5934         if (ha->fw_dump_template)
5935                 vfree(ha->fw_dump_template);
5936         ha->fw_dump_template = NULL;
5937         ha->fw_dump_template_len = 0;
5938         return rval;
5939 }
5940
5941 int
5942 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5943 {
5944         int rval;
5945
5946         if (ql2xfwloadbin == 1)
5947                 return qla81xx_load_risc(vha, srisc_addr);
5948
5949         /*
5950          * FW Load priority:
5951          * 1) Firmware via request-firmware interface (.bin file).
5952          * 2) Firmware residing in flash.
5953          */
5954         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5955         if (rval == QLA_SUCCESS)
5956                 return rval;
5957
5958         return qla24xx_load_risc_flash(vha, srisc_addr,
5959             vha->hw->flt_region_fw);
5960 }
5961
5962 int
5963 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5964 {
5965         int rval;
5966         struct qla_hw_data *ha = vha->hw;
5967
5968         if (ql2xfwloadbin == 2)
5969                 goto try_blob_fw;
5970
5971         /*
5972          * FW Load priority:
5973          * 1) Firmware residing in flash.
5974          * 2) Firmware via request-firmware interface (.bin file).
5975          * 3) Golden-Firmware residing in flash -- limited operation.
5976          */
5977         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5978         if (rval == QLA_SUCCESS)
5979                 return rval;
5980
5981 try_blob_fw:
5982         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5983         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5984                 return rval;
5985
5986         ql_log(ql_log_info, vha, 0x0099,
5987             "Attempting to fallback to golden firmware.\n");
5988         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5989         if (rval != QLA_SUCCESS)
5990                 return rval;
5991
5992         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5993         ha->flags.running_gold_fw = 1;
5994         return rval;
5995 }
5996
5997 void
5998 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5999 {
6000         int ret, retries;
6001         struct qla_hw_data *ha = vha->hw;
6002
6003         if (ha->flags.pci_channel_io_perm_failure)
6004                 return;
6005         if (!IS_FWI2_CAPABLE(ha))
6006                 return;
6007         if (!ha->fw_major_version)
6008                 return;
6009
6010         ret = qla2x00_stop_firmware(vha);
6011         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
6012             ret != QLA_INVALID_COMMAND && retries ; retries--) {
6013                 ha->isp_ops->reset_chip(vha);
6014                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
6015                         continue;
6016                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
6017                         continue;
6018                 ql_log(ql_log_info, vha, 0x8015,
6019                     "Attempting retry of stop-firmware command.\n");
6020                 ret = qla2x00_stop_firmware(vha);
6021         }
6022 }
6023
6024 int
6025 qla24xx_configure_vhba(scsi_qla_host_t *vha)
6026 {
6027         int rval = QLA_SUCCESS;
6028         int rval2;
6029         uint16_t mb[MAILBOX_REGISTER_COUNT];
6030         struct qla_hw_data *ha = vha->hw;
6031         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6032         struct req_que *req;
6033         struct rsp_que *rsp;
6034
6035         if (!vha->vp_idx)
6036                 return -EINVAL;
6037
6038         rval = qla2x00_fw_ready(base_vha);
6039         if (vha->qpair)
6040                 req = vha->qpair->req;
6041         else
6042                 req = ha->req_q_map[0];
6043         rsp = req->rsp;
6044
6045         if (rval == QLA_SUCCESS) {
6046                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6047                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6048         }
6049
6050         vha->flags.management_server_logged_in = 0;
6051
6052         /* Login to SNS first */
6053         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
6054             BIT_1);
6055         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
6056                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
6057                         ql_dbg(ql_dbg_init, vha, 0x0120,
6058                             "Failed SNS login: loop_id=%x, rval2=%d\n",
6059                             NPH_SNS, rval2);
6060                 else
6061                         ql_dbg(ql_dbg_init, vha, 0x0103,
6062                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
6063                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
6064                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
6065                 return (QLA_FUNCTION_FAILED);
6066         }
6067
6068         atomic_set(&vha->loop_down_timer, 0);
6069         atomic_set(&vha->loop_state, LOOP_UP);
6070         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6071         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
6072         rval = qla2x00_loop_resync(base_vha);
6073
6074         return rval;
6075 }
6076
6077 /* 84XX Support **************************************************************/
6078
6079 static LIST_HEAD(qla_cs84xx_list);
6080 static DEFINE_MUTEX(qla_cs84xx_mutex);
6081
6082 static struct qla_chip_state_84xx *
6083 qla84xx_get_chip(struct scsi_qla_host *vha)
6084 {
6085         struct qla_chip_state_84xx *cs84xx;
6086         struct qla_hw_data *ha = vha->hw;
6087
6088         mutex_lock(&qla_cs84xx_mutex);
6089
6090         /* Find any shared 84xx chip. */
6091         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
6092                 if (cs84xx->bus == ha->pdev->bus) {
6093                         kref_get(&cs84xx->kref);
6094                         goto done;
6095                 }
6096         }
6097
6098         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
6099         if (!cs84xx)
6100                 goto done;
6101
6102         kref_init(&cs84xx->kref);
6103         spin_lock_init(&cs84xx->access_lock);
6104         mutex_init(&cs84xx->fw_update_mutex);
6105         cs84xx->bus = ha->pdev->bus;
6106
6107         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
6108 done:
6109         mutex_unlock(&qla_cs84xx_mutex);
6110         return cs84xx;
6111 }
6112
6113 static void
6114 __qla84xx_chip_release(struct kref *kref)
6115 {
6116         struct qla_chip_state_84xx *cs84xx =
6117             container_of(kref, struct qla_chip_state_84xx, kref);
6118
6119         mutex_lock(&qla_cs84xx_mutex);
6120         list_del(&cs84xx->list);
6121         mutex_unlock(&qla_cs84xx_mutex);
6122         kfree(cs84xx);
6123 }
6124
6125 void
6126 qla84xx_put_chip(struct scsi_qla_host *vha)
6127 {
6128         struct qla_hw_data *ha = vha->hw;
6129         if (ha->cs84xx)
6130                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
6131 }
6132
6133 static int
6134 qla84xx_init_chip(scsi_qla_host_t *vha)
6135 {
6136         int rval;
6137         uint16_t status[2];
6138         struct qla_hw_data *ha = vha->hw;
6139
6140         mutex_lock(&ha->cs84xx->fw_update_mutex);
6141
6142         rval = qla84xx_verify_chip(vha, status);
6143
6144         mutex_unlock(&ha->cs84xx->fw_update_mutex);
6145
6146         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
6147             QLA_SUCCESS;
6148 }
6149
6150 /* 81XX Support **************************************************************/
6151
6152 int
6153 qla81xx_nvram_config(scsi_qla_host_t *vha)
6154 {
6155         int   rval;
6156         struct init_cb_81xx *icb;
6157         struct nvram_81xx *nv;
6158         uint32_t *dptr;
6159         uint8_t  *dptr1, *dptr2;
6160         uint32_t chksum;
6161         uint16_t cnt;
6162         struct qla_hw_data *ha = vha->hw;
6163
6164         rval = QLA_SUCCESS;
6165         icb = (struct init_cb_81xx *)ha->init_cb;
6166         nv = ha->nvram;
6167
6168         /* Determine NVRAM starting address. */
6169         ha->nvram_size = sizeof(struct nvram_81xx);
6170         ha->vpd_size = FA_NVRAM_VPD_SIZE;
6171         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
6172                 ha->vpd_size = FA_VPD_SIZE_82XX;
6173
6174         /* Get VPD data into cache */
6175         ha->vpd = ha->nvram + VPD_OFFSET;
6176         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
6177             ha->vpd_size);
6178
6179         /* Get NVRAM data into cache and calculate checksum. */
6180         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
6181             ha->nvram_size);
6182         dptr = (uint32_t *)nv;
6183         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
6184                 chksum += le32_to_cpu(*dptr);
6185
6186         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
6187             "Contents of NVRAM:\n");
6188         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
6189             (uint8_t *)nv, ha->nvram_size);
6190
6191         /* Bad NVRAM data, set defaults parameters. */
6192         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
6193             || nv->id[3] != ' ' ||
6194             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
6195                 /* Reset NVRAM data. */
6196                 ql_log(ql_log_info, vha, 0x0073,
6197                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
6198                     "version=0x%x.\n", chksum, nv->id[0],
6199                     le16_to_cpu(nv->nvram_version));
6200                 ql_log(ql_log_info, vha, 0x0074,
6201                     "Falling back to functioning (yet invalid -- WWPN) "
6202                     "defaults.\n");
6203
6204                 /*
6205                  * Set default initialization control block.
6206                  */
6207                 memset(nv, 0, ha->nvram_size);
6208                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
6209                 nv->version = cpu_to_le16(ICB_VERSION);
6210                 nv->frame_payload_size = 2048;
6211                 nv->execution_throttle = cpu_to_le16(0xFFFF);
6212                 nv->exchange_count = cpu_to_le16(0);
6213                 nv->port_name[0] = 0x21;
6214                 nv->port_name[1] = 0x00 + ha->port_no + 1;
6215                 nv->port_name[2] = 0x00;
6216                 nv->port_name[3] = 0xe0;
6217                 nv->port_name[4] = 0x8b;
6218                 nv->port_name[5] = 0x1c;
6219                 nv->port_name[6] = 0x55;
6220                 nv->port_name[7] = 0x86;
6221                 nv->node_name[0] = 0x20;
6222                 nv->node_name[1] = 0x00;
6223                 nv->node_name[2] = 0x00;
6224                 nv->node_name[3] = 0xe0;
6225                 nv->node_name[4] = 0x8b;
6226                 nv->node_name[5] = 0x1c;
6227                 nv->node_name[6] = 0x55;
6228                 nv->node_name[7] = 0x86;
6229                 nv->login_retry_count = cpu_to_le16(8);
6230                 nv->interrupt_delay_timer = cpu_to_le16(0);
6231                 nv->login_timeout = cpu_to_le16(0);
6232                 nv->firmware_options_1 =
6233                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
6234                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
6235                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
6236                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
6237                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
6238                 nv->efi_parameters = cpu_to_le32(0);
6239                 nv->reset_delay = 5;
6240                 nv->max_luns_per_target = cpu_to_le16(128);
6241                 nv->port_down_retry_count = cpu_to_le16(30);
6242                 nv->link_down_timeout = cpu_to_le16(180);
6243                 nv->enode_mac[0] = 0x00;
6244                 nv->enode_mac[1] = 0xC0;
6245                 nv->enode_mac[2] = 0xDD;
6246                 nv->enode_mac[3] = 0x04;
6247                 nv->enode_mac[4] = 0x05;
6248                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
6249
6250                 rval = 1;
6251         }
6252
6253         if (IS_T10_PI_CAPABLE(ha))
6254                 nv->frame_payload_size &= ~7;
6255
6256         qlt_81xx_config_nvram_stage1(vha, nv);
6257
6258         /* Reset Initialization control block */
6259         memset(icb, 0, ha->init_cb_size);
6260
6261         /* Copy 1st segment. */
6262         dptr1 = (uint8_t *)icb;
6263         dptr2 = (uint8_t *)&nv->version;
6264         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
6265         while (cnt--)
6266                 *dptr1++ = *dptr2++;
6267
6268         icb->login_retry_count = nv->login_retry_count;
6269
6270         /* Copy 2nd segment. */
6271         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
6272         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
6273         cnt = (uint8_t *)&icb->reserved_5 -
6274             (uint8_t *)&icb->interrupt_delay_timer;
6275         while (cnt--)
6276                 *dptr1++ = *dptr2++;
6277
6278         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
6279         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
6280         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
6281                 icb->enode_mac[0] = 0x00;
6282                 icb->enode_mac[1] = 0xC0;
6283                 icb->enode_mac[2] = 0xDD;
6284                 icb->enode_mac[3] = 0x04;
6285                 icb->enode_mac[4] = 0x05;
6286                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
6287         }
6288
6289         /* Use extended-initialization control block. */
6290         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
6291
6292         /*
6293          * Setup driver NVRAM options.
6294          */
6295         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6296             "QLE8XXX");
6297
6298         qlt_81xx_config_nvram_stage2(vha, icb);
6299
6300         /* Use alternate WWN? */
6301         if (nv->host_p & cpu_to_le32(BIT_15)) {
6302                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6303                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6304         }
6305
6306         /* Prepare nodename */
6307         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
6308                 /*
6309                  * Firmware will apply the following mask if the nodename was
6310                  * not provided.
6311                  */
6312                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6313                 icb->node_name[0] &= 0xF0;
6314         }
6315
6316         /* Set host adapter parameters. */
6317         ha->flags.disable_risc_code_load = 0;
6318         ha->flags.enable_lip_reset = 0;
6319         ha->flags.enable_lip_full_login =
6320             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6321         ha->flags.enable_target_reset =
6322             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6323         ha->flags.enable_led_scheme = 0;
6324         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6325
6326         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6327             (BIT_6 | BIT_5 | BIT_4)) >> 4;
6328
6329         /* save HBA serial number */
6330         ha->serial0 = icb->port_name[5];
6331         ha->serial1 = icb->port_name[6];
6332         ha->serial2 = icb->port_name[7];
6333         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6334         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6335
6336         icb->execution_throttle = cpu_to_le16(0xFFFF);
6337
6338         ha->retry_count = le16_to_cpu(nv->login_retry_count);
6339
6340         /* Set minimum login_timeout to 4 seconds. */
6341         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6342                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6343         if (le16_to_cpu(nv->login_timeout) < 4)
6344                 nv->login_timeout = cpu_to_le16(4);
6345         ha->login_timeout = le16_to_cpu(nv->login_timeout);
6346
6347         /* Set minimum RATOV to 100 tenths of a second. */
6348         ha->r_a_tov = 100;
6349
6350         ha->loop_reset_delay = nv->reset_delay;
6351
6352         /* Link Down Timeout = 0:
6353          *
6354          *      When Port Down timer expires we will start returning
6355          *      I/O's to OS with "DID_NO_CONNECT".
6356          *
6357          * Link Down Timeout != 0:
6358          *
6359          *       The driver waits for the link to come up after link down
6360          *       before returning I/Os to OS with "DID_NO_CONNECT".
6361          */
6362         if (le16_to_cpu(nv->link_down_timeout) == 0) {
6363                 ha->loop_down_abort_time =
6364                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6365         } else {
6366                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
6367                 ha->loop_down_abort_time =
6368                     (LOOP_DOWN_TIME - ha->link_down_timeout);
6369         }
6370
6371         /* Need enough time to try and get the port back. */
6372         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6373         if (qlport_down_retry)
6374                 ha->port_down_retry_count = qlport_down_retry;
6375
6376         /* Set login_retry_count */
6377         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6378         if (ha->port_down_retry_count ==
6379             le16_to_cpu(nv->port_down_retry_count) &&
6380             ha->port_down_retry_count > 3)
6381                 ha->login_retry_count = ha->port_down_retry_count;
6382         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6383                 ha->login_retry_count = ha->port_down_retry_count;
6384         if (ql2xloginretrycount)
6385                 ha->login_retry_count = ql2xloginretrycount;
6386
6387         /* if not running MSI-X we need handshaking on interrupts */
6388         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
6389                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
6390
6391         /* Enable ZIO. */
6392         if (!vha->flags.init_done) {
6393                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6394                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6395                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6396                     le16_to_cpu(icb->interrupt_delay_timer): 2;
6397         }
6398         icb->firmware_options_2 &= cpu_to_le32(
6399             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6400         vha->flags.process_response_queue = 0;
6401         if (ha->zio_mode != QLA_ZIO_DISABLED) {
6402                 ha->zio_mode = QLA_ZIO_MODE_6;
6403
6404                 ql_log(ql_log_info, vha, 0x0075,
6405                     "ZIO mode %d enabled; timer delay (%d us).\n",
6406                     ha->zio_mode,
6407                     ha->zio_timer * 100);
6408
6409                 icb->firmware_options_2 |= cpu_to_le32(
6410                     (uint32_t)ha->zio_mode);
6411                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6412                 vha->flags.process_response_queue = 1;
6413         }
6414
6415         if (rval) {
6416                 ql_log(ql_log_warn, vha, 0x0076,
6417                     "NVRAM configuration failed.\n");
6418         }
6419         return (rval);
6420 }
6421
6422 int
6423 qla82xx_restart_isp(scsi_qla_host_t *vha)
6424 {
6425         int status, rval;
6426         struct qla_hw_data *ha = vha->hw;
6427         struct req_que *req = ha->req_q_map[0];
6428         struct rsp_que *rsp = ha->rsp_q_map[0];
6429         struct scsi_qla_host *vp;
6430         unsigned long flags;
6431
6432         status = qla2x00_init_rings(vha);
6433         if (!status) {
6434                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6435                 ha->flags.chip_reset_done = 1;
6436
6437                 status = qla2x00_fw_ready(vha);
6438                 if (!status) {
6439                         /* Issue a marker after FW becomes ready. */
6440                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6441                         vha->flags.online = 1;
6442                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6443                 }
6444
6445                 /* if no cable then assume it's good */
6446                 if ((vha->device_flags & DFLG_NO_CABLE))
6447                         status = 0;
6448         }
6449
6450         if (!status) {
6451                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6452
6453                 if (!atomic_read(&vha->loop_down_timer)) {
6454                         /*
6455                          * Issue marker command only when we are going
6456                          * to start the I/O .
6457                          */
6458                         vha->marker_needed = 1;
6459                 }
6460
6461                 ha->isp_ops->enable_intrs(ha);
6462
6463                 ha->isp_abort_cnt = 0;
6464                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6465
6466                 /* Update the firmware version */
6467                 status = qla82xx_check_md_needed(vha);
6468
6469                 if (ha->fce) {
6470                         ha->flags.fce_enabled = 1;
6471                         memset(ha->fce, 0,
6472                             fce_calc_size(ha->fce_bufs));
6473                         rval = qla2x00_enable_fce_trace(vha,
6474                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6475                             &ha->fce_bufs);
6476                         if (rval) {
6477                                 ql_log(ql_log_warn, vha, 0x8001,
6478                                     "Unable to reinitialize FCE (%d).\n",
6479                                     rval);
6480                                 ha->flags.fce_enabled = 0;
6481                         }
6482                 }
6483
6484                 if (ha->eft) {
6485                         memset(ha->eft, 0, EFT_SIZE);
6486                         rval = qla2x00_enable_eft_trace(vha,
6487                             ha->eft_dma, EFT_NUM_BUFFERS);
6488                         if (rval) {
6489                                 ql_log(ql_log_warn, vha, 0x8010,
6490                                     "Unable to reinitialize EFT (%d).\n",
6491                                     rval);
6492                         }
6493                 }
6494         }
6495
6496         if (!status) {
6497                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
6498                     "qla82xx_restart_isp succeeded.\n");
6499
6500                 spin_lock_irqsave(&ha->vport_slock, flags);
6501                 list_for_each_entry(vp, &ha->vp_list, list) {
6502                         if (vp->vp_idx) {
6503                                 atomic_inc(&vp->vref_count);
6504                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6505
6506                                 qla2x00_vp_abort_isp(vp);
6507
6508                                 spin_lock_irqsave(&ha->vport_slock, flags);
6509                                 atomic_dec(&vp->vref_count);
6510                         }
6511                 }
6512                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6513
6514         } else {
6515                 ql_log(ql_log_warn, vha, 0x8016,
6516                     "qla82xx_restart_isp **** FAILED ****.\n");
6517         }
6518
6519         return status;
6520 }
6521
6522 void
6523 qla81xx_update_fw_options(scsi_qla_host_t *vha)
6524 {
6525         struct qla_hw_data *ha = vha->hw;
6526
6527         /*  Hold status IOCBs until ABTS response received. */
6528         if (ql2xfwholdabts)
6529                 ha->fw_options[3] |= BIT_12;
6530
6531         /* Set Retry FLOGI in case of P2P connection */
6532         if (ha->operating_mode == P2P) {
6533                 ha->fw_options[2] |= BIT_3;
6534                 ql_dbg(ql_dbg_disc, vha, 0x2103,
6535                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
6536                         __func__, ha->fw_options[2]);
6537         }
6538
6539         if (!ql2xetsenable)
6540                 goto out;
6541
6542         /* Enable ETS Burst. */
6543         memset(ha->fw_options, 0, sizeof(ha->fw_options));
6544         ha->fw_options[2] |= BIT_9;
6545 out:
6546         qla2x00_set_fw_options(vha, ha->fw_options);
6547 }
6548
6549 /*
6550  * qla24xx_get_fcp_prio
6551  *      Gets the fcp cmd priority value for the logged in port.
6552  *      Looks for a match of the port descriptors within
6553  *      each of the fcp prio config entries. If a match is found,
6554  *      the tag (priority) value is returned.
6555  *
6556  * Input:
6557  *      vha = scsi host structure pointer.
6558  *      fcport = port structure pointer.
6559  *
6560  * Return:
6561  *      non-zero (if found)
6562  *      -1 (if not found)
6563  *
6564  * Context:
6565  *      Kernel context
6566  */
6567 static int
6568 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6569 {
6570         int i, entries;
6571         uint8_t pid_match, wwn_match;
6572         int priority;
6573         uint32_t pid1, pid2;
6574         uint64_t wwn1, wwn2;
6575         struct qla_fcp_prio_entry *pri_entry;
6576         struct qla_hw_data *ha = vha->hw;
6577
6578         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
6579                 return -1;
6580
6581         priority = -1;
6582         entries = ha->fcp_prio_cfg->num_entries;
6583         pri_entry = &ha->fcp_prio_cfg->entry[0];
6584
6585         for (i = 0; i < entries; i++) {
6586                 pid_match = wwn_match = 0;
6587
6588                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
6589                         pri_entry++;
6590                         continue;
6591                 }
6592
6593                 /* check source pid for a match */
6594                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
6595                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
6596                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
6597                         if (pid1 == INVALID_PORT_ID)
6598                                 pid_match++;
6599                         else if (pid1 == pid2)
6600                                 pid_match++;
6601                 }
6602
6603                 /* check destination pid for a match */
6604                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
6605                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
6606                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
6607                         if (pid1 == INVALID_PORT_ID)
6608                                 pid_match++;
6609                         else if (pid1 == pid2)
6610                                 pid_match++;
6611                 }
6612
6613                 /* check source WWN for a match */
6614                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6615                         wwn1 = wwn_to_u64(vha->port_name);
6616                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6617                         if (wwn2 == (uint64_t)-1)
6618                                 wwn_match++;
6619                         else if (wwn1 == wwn2)
6620                                 wwn_match++;
6621                 }
6622
6623                 /* check destination WWN for a match */
6624                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6625                         wwn1 = wwn_to_u64(fcport->port_name);
6626                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6627                         if (wwn2 == (uint64_t)-1)
6628                                 wwn_match++;
6629                         else if (wwn1 == wwn2)
6630                                 wwn_match++;
6631                 }
6632
6633                 if (pid_match == 2 || wwn_match == 2) {
6634                         /* Found a matching entry */
6635                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6636                                 priority = pri_entry->tag;
6637                         break;
6638                 }
6639
6640                 pri_entry++;
6641         }
6642
6643         return priority;
6644 }
6645
6646 /*
6647  * qla24xx_update_fcport_fcp_prio
6648  *      Activates fcp priority for the logged in fc port
6649  *
6650  * Input:
6651  *      vha = scsi host structure pointer.
6652  *      fcp = port structure pointer.
6653  *
6654  * Return:
6655  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6656  *
6657  * Context:
6658  *      Kernel context.
6659  */
6660 int
6661 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6662 {
6663         int ret;
6664         int priority;
6665         uint16_t mb[5];
6666
6667         if (fcport->port_type != FCT_TARGET ||
6668             fcport->loop_id == FC_NO_LOOP_ID)
6669                 return QLA_FUNCTION_FAILED;
6670
6671         priority = qla24xx_get_fcp_prio(vha, fcport);
6672         if (priority < 0)
6673                 return QLA_FUNCTION_FAILED;
6674
6675         if (IS_P3P_TYPE(vha->hw)) {
6676                 fcport->fcp_prio = priority & 0xf;
6677                 return QLA_SUCCESS;
6678         }
6679
6680         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6681         if (ret == QLA_SUCCESS) {
6682                 if (fcport->fcp_prio != priority)
6683                         ql_dbg(ql_dbg_user, vha, 0x709e,
6684                             "Updated FCP_CMND priority - value=%d loop_id=%d "
6685                             "port_id=%02x%02x%02x.\n", priority,
6686                             fcport->loop_id, fcport->d_id.b.domain,
6687                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6688                 fcport->fcp_prio = priority & 0xf;
6689         } else
6690                 ql_dbg(ql_dbg_user, vha, 0x704f,
6691                     "Unable to update FCP_CMND priority - ret=0x%x for "
6692                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6693                     fcport->d_id.b.domain, fcport->d_id.b.area,
6694                     fcport->d_id.b.al_pa);
6695         return  ret;
6696 }
6697
6698 /*
6699  * qla24xx_update_all_fcp_prio
6700  *      Activates fcp priority for all the logged in ports
6701  *
6702  * Input:
6703  *      ha = adapter block pointer.
6704  *
6705  * Return:
6706  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6707  *
6708  * Context:
6709  *      Kernel context.
6710  */
6711 int
6712 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6713 {
6714         int ret;
6715         fc_port_t *fcport;
6716
6717         ret = QLA_FUNCTION_FAILED;
6718         /* We need to set priority for all logged in ports */
6719         list_for_each_entry(fcport, &vha->vp_fcports, list)
6720                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6721
6722         return ret;
6723 }
6724
6725 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos, int vp_idx)
6726 {
6727         int rsp_id = 0;
6728         int  req_id = 0;
6729         int i;
6730         struct qla_hw_data *ha = vha->hw;
6731         uint16_t qpair_id = 0;
6732         struct qla_qpair *qpair = NULL;
6733         struct qla_msix_entry *msix;
6734
6735         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
6736                 ql_log(ql_log_warn, vha, 0x00181,
6737                     "FW/Driver is not multi-queue capable.\n");
6738                 return NULL;
6739         }
6740
6741         if (ql2xmqsupport) {
6742                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
6743                 if (qpair == NULL) {
6744                         ql_log(ql_log_warn, vha, 0x0182,
6745                             "Failed to allocate memory for queue pair.\n");
6746                         return NULL;
6747                 }
6748                 memset(qpair, 0, sizeof(struct qla_qpair));
6749
6750                 qpair->hw = vha->hw;
6751
6752                 /* Assign available que pair id */
6753                 mutex_lock(&ha->mq_lock);
6754                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
6755                 if (qpair_id >= ha->max_qpairs) {
6756                         mutex_unlock(&ha->mq_lock);
6757                         ql_log(ql_log_warn, vha, 0x0183,
6758                             "No resources to create additional q pair.\n");
6759                         goto fail_qid_map;
6760                 }
6761                 set_bit(qpair_id, ha->qpair_qid_map);
6762                 ha->queue_pair_map[qpair_id] = qpair;
6763                 qpair->id = qpair_id;
6764                 qpair->vp_idx = vp_idx;
6765
6766                 for (i = 0; i < ha->msix_count; i++) {
6767                         msix = &ha->msix_entries[i];
6768                         if (msix->in_use)
6769                                 continue;
6770                         qpair->msix = msix;
6771                         ql_log(ql_dbg_multiq, vha, 0xc00f,
6772                             "Vector %x selected for qpair\n", msix->vector);
6773                         break;
6774                 }
6775                 if (!qpair->msix) {
6776                         ql_log(ql_log_warn, vha, 0x0184,
6777                             "Out of MSI-X vectors!.\n");
6778                         goto fail_msix;
6779                 }
6780
6781                 qpair->msix->in_use = 1;
6782                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
6783
6784                 mutex_unlock(&ha->mq_lock);
6785
6786                 /* Create response queue first */
6787                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair);
6788                 if (!rsp_id) {
6789                         ql_log(ql_log_warn, vha, 0x0185,
6790                             "Failed to create response queue.\n");
6791                         goto fail_rsp;
6792                 }
6793
6794                 qpair->rsp = ha->rsp_q_map[rsp_id];
6795
6796                 /* Create request queue */
6797                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos);
6798                 if (!req_id) {
6799                         ql_log(ql_log_warn, vha, 0x0186,
6800                             "Failed to create request queue.\n");
6801                         goto fail_req;
6802                 }
6803
6804                 qpair->req = ha->req_q_map[req_id];
6805                 qpair->rsp->req = qpair->req;
6806
6807                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
6808                         if (ha->fw_attributes & BIT_4)
6809                                 qpair->difdix_supported = 1;
6810                 }
6811
6812                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
6813                 if (!qpair->srb_mempool) {
6814                         ql_log(ql_log_warn, vha, 0x0191,
6815                             "Failed to create srb mempool for qpair %d\n",
6816                             qpair->id);
6817                         goto fail_mempool;
6818                 }
6819
6820                 /* Mark as online */
6821                 qpair->online = 1;
6822
6823                 if (!vha->flags.qpairs_available)
6824                         vha->flags.qpairs_available = 1;
6825
6826                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
6827                     "Request/Response queue pair created, id %d\n",
6828                     qpair->id);
6829                 ql_dbg(ql_dbg_init, vha, 0x0187,
6830                     "Request/Response queue pair created, id %d\n",
6831                     qpair->id);
6832         }
6833         return qpair;
6834
6835 fail_mempool:
6836 fail_req:
6837         qla25xx_delete_rsp_que(vha, qpair->rsp);
6838 fail_rsp:
6839         mutex_lock(&ha->mq_lock);
6840         qpair->msix->in_use = 0;
6841         list_del(&qpair->qp_list_elem);
6842         if (list_empty(&vha->qp_list))
6843                 vha->flags.qpairs_available = 0;
6844 fail_msix:
6845         ha->queue_pair_map[qpair_id] = NULL;
6846         clear_bit(qpair_id, ha->qpair_qid_map);
6847         mutex_unlock(&ha->mq_lock);
6848 fail_qid_map:
6849         kfree(qpair);
6850         return NULL;
6851 }
6852
6853 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
6854 {
6855         int ret;
6856         struct qla_hw_data *ha = qpair->hw;
6857
6858         qpair->delete_in_progress = 1;
6859         while (atomic_read(&qpair->ref_count))
6860                 msleep(500);
6861
6862         ret = qla25xx_delete_req_que(vha, qpair->req);
6863         if (ret != QLA_SUCCESS)
6864                 goto fail;
6865         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
6866         if (ret != QLA_SUCCESS)
6867                 goto fail;
6868
6869         mutex_lock(&ha->mq_lock);
6870         ha->queue_pair_map[qpair->id] = NULL;
6871         clear_bit(qpair->id, ha->qpair_qid_map);
6872         list_del(&qpair->qp_list_elem);
6873         if (list_empty(&vha->qp_list))
6874                 vha->flags.qpairs_available = 0;
6875         mempool_destroy(qpair->srb_mempool);
6876         kfree(qpair);
6877         mutex_unlock(&ha->mq_lock);
6878
6879         return QLA_SUCCESS;
6880 fail:
6881         return ret;
6882 }